CN114113721A - Smart electric meter with electric leakage prompt function - Google Patents
Smart electric meter with electric leakage prompt function Download PDFInfo
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- CN114113721A CN114113721A CN202111460622.9A CN202111460622A CN114113721A CN 114113721 A CN114113721 A CN 114113721A CN 202111460622 A CN202111460622 A CN 202111460622A CN 114113721 A CN114113721 A CN 114113721A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 114
- 239000000523 sample Substances 0.000 claims abstract description 57
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 22
- 230000005291 magnetic effect Effects 0.000 claims description 74
- 230000005611 electricity Effects 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 10
- 238000003825 pressing Methods 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 230000005674 electromagnetic induction Effects 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
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002907 paramagnetic material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
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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
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- 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
Abstract
The invention discloses an intelligent ammeter with an electric leakage prompting function, which comprises an ammeter shell, wherein a state display disc is fixedly arranged on the front end surface of the ammeter shell, an ammeter groove is formed in the ammeter shell, an ammeter main body is fixedly arranged in the ammeter groove, a monitoring groove is also formed in the ammeter 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 rotatably connected in the ammeter groove and positioned at one end of the monitoring solenoid, the state probe is connected with a state indicating disc in a driving manner, the state indicating disc is matched with the state display disc, when electric leakage occurs in the ammeter groove, current is generated at two ends of the inner wall of the monitoring groove, the current flows in the monitoring solenoid, and a corresponding electromagnetic field is generated through the monitoring solenoid, the electromagnetic field drives the state probe to deflect, so that the state indicating disc is driven to rotate and display the corresponding state.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an intelligent electric meter with an electric leakage prompting function.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt hour meter, and is an instrument for measuring various electric quantities, and when the electric energy meter is used, it is noted that under the conditions 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 large current, the electric energy meter cannot be directly connected with a circuit and needs to be matched with a voltage transformer or a current transformer for use.
The invention discloses a Chinese patent publication No. CN112798839A, which discloses an electric meter with an electric leakage prompting function, comprising an electric meter main body, a down lamp, a connecting lead and an electric leakage sensor, wherein a display panel is embedded in the front of the electric meter main body, two sides of the electric meter main body are welded with upper fixing plates, a lower fixing plate is arranged below the upper fixing plates, the down lamp is arranged below the display panel and is connected with the electric meter main body through an embedded part, in the invention, through the arranged electric leakage sensor, the down lamp and a control chip, when the electric leakage phenomenon is generated in the electrifying process, after the electric leakage sensor detects the electric leakage phenomenon, the electric leakage sensor can feed back the signal to the control chip, then the control chip generates light after the electrification through a power supply distribution module, and the device prompts the electric leakage phenomenon in time by means of the light, effectively avoiding the phenomenon of electric leakage from endangering the personal safety of the human body.
The wiring end of current ammeter is ageing easily after long-term the use, and all has the risk of electric leakage because environmental factor's influence, and the protective housing of ammeter is mostly metal very easily electrically conductive, and operating personnel can't discover during the electric leakage that contact housing can lead to the electric shock phenomenon, detects through the sensor with high costs, and electronic equipment also easily ages and need frequently overhaul and change, and the maintenance cost is also higher.
Therefore, it is necessary to provide a smart meter with a leakage prompting function to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a smart electric meter with a leakage prompt function to solve the technical problem.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent ammeter with an electric leakage prompting function comprises an ammeter shell, wherein a state display disc is fixedly mounted on the front end face of the ammeter shell, an ammeter groove is formed in the ammeter shell, an ammeter main body is fixedly mounted in the ammeter groove, a monitoring groove is further formed in the ammeter groove, a monitoring solenoid is fixedly connected in the monitoring groove and communicated with two ends of the inner wall of the monitoring groove, a state probe is rotatably connected in the ammeter groove and positioned at one end of the monitoring solenoid, the state probe is connected with a state indicating disc in a driving manner, and the state indicating disc is matched with the state display disc,
when electric leakage occurs in the electric meter groove, current is generated at two ends of the inner wall of the monitoring groove, the current flows in the monitoring solenoid, a corresponding electromagnetic field is generated through the monitoring solenoid, the electromagnetic field drives the state probe to deflect, and therefore the state indicating disc is driven to rotate and display a corresponding state.
During the specific use, when the electricity leakage takes place for the ammeter inslot portion, because ammeter casing adopts metal casing, and then produce corresponding potential difference at the inner wall both ends of monitoring groove to make the inside circulation of electric current at the monitoring solenoid, the monitoring solenoid produces corresponding electromagnetic field through the electromagnetic induction principle, electromagnetic field drive state probe deflects, drives the state indicator panel through the deflection of state probe and rotates, thereby drive the state indicator panel and rotate and show corresponding state.
As a further scheme of the invention, an insulating embedding layer is embedded in the middle of the ammeter shell and the monitoring groove.
When the ammeter is used specifically, the ammeter shell and the two sides of the monitoring groove are isolated relatively through the insulating embedding layers, the ammeter shell is connected with the wall or the ground, when electricity leakage occurs in the ammeter groove, the electricity leakage is isolated through the insulation of the insulating embedding layers, one side of the two sides of the insulating embedding layers is an electric leakage potential, and the other side of the two sides of the insulating embedding layers is a grounding state, so that the two ends of the monitoring solenoid have higher potential difference, the monitoring solenoid is driven to generate a magnetic field, the situation that the potential difference between the monitoring solenoids is lower is avoided, the magnetic field intensity is weaker, and the probe in the driving state cannot deflect.
As a further scheme of the invention, a reinforced magnetic core is embedded in the monitoring solenoid, two ends of the reinforced magnetic core are fixedly connected with an insulating cushion layer, and the reinforced magnetic core is fixedly connected with the inner wall of the electric meter groove through the insulating cushion layer.
During the specific use, strengthen the magnetic core and adopt paramagnetic material like iron or nickel etc. through strengthening the magnetic core setting inside the monitoring solenoid for the both ends magnetic force reinforcing of monitoring solenoid, and then improve the tractive ability of monitoring solenoid to the state probe.
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 continuously changed, the magnetic sheet changes along with the magnetic field direction of the monitoring solenoid to generate corresponding traction force or repulsion force, and then the state probe is driven to swing and rotate in a reciprocating manner.
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 surface of the rotating rod is rotatably connected with a first rotating shaft, one end of the first rotating shaft, which is far away from the rotating rod, is rotatably connected with the inner wall of the electric meter groove, the upper end surface of the rotating rod is rotatably sleeved with a connecting ring, and the upper end surface of the connecting ring is fixedly connected with the state indicating disc.
During specific use, the swing through the state probe drives the rotation of dwang, drives the go-between rotation through the rotation of dwang to make the status indicator dish rotate, make the status indicator dish change at the inside show state of status display dish, show that ammeter casing inside has electric leakage phenomenon this moment.
As a further scheme of the invention, a tooth groove is embedded in one end of the connecting ring, which is far away from the state indicating disc, the outer end surface of the rotating rod is rotatably connected with a driving toothed plate, one end of the driving toothed plate, which is far away from the rotating rod, is meshed with the tooth groove, an elastic pressing sheet is further embedded in 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 groove.
During the specific use, when the dwang takes place to rotate, drive the drive pinion rack and rotate, and then drive the go-between through the meshing of drive pinion rack and tooth's socket and rotate, when the intercommunication was the alternating current in the monitoring solenoid, the reciprocal pendulum rotation of state probe then drives the dwang reciprocal rotation, drive the pinion rack and mesh with the tooth's socket always in the elasticity preforming effect, constantly drive go-between unidirectional rotation under the effect of drive pinion rack, and then make the status indicator dish show different leakage states.
As a further scheme of the present invention, a third rotation axis is disposed in the middle of the status indicator panel, the status indicator panel is rotatably connected inside the status display panel through the third rotation axis, the upper surface of the status indicator panel is divided into a safety display area, a first display area and a second display area, the status display panel is provided with a window adapted to the safety display area, the first display area is located on two sides of the safety display area, the second display area is located on one side of the first display area away from the safety display area, a limiting rod is fixedly connected to a joint of the second display area and the first display area, and a shielding portion adapted to the limiting rod is disposed inside the status display panel.
When the electric meter is used, the internal display state of the state indicating disc can be seen to be a safe display area through the state display disc under normal conditions, when the electric meter is in a direct current state, the state indicating disc generates a unidirectional magnetic field due to the direct current of the monitoring solenoid when the electric meter is in a direct current state, the state probe deflects only once, and then the state indicating disc rotates along with the state probe, so that the internal display state of the state indicating disc can be seen to be a first display area through the state display disc, when the electric meter is in an alternating current state, the state indicating disc generates a variable magnetic field with a variable direction due to the alternating current introduced into the monitoring solenoid, the state probe deflects in a reciprocating manner, the state indicating disc is driven to rotate continuously through the toothed plate and the elastic pressing sheet, so that the state indicating disc rotates to a second display area, the state indicating disc stops rotating under the action of the limiting rod, and the internal display state of the state indicating disc can be seen to be a second display area through the state display disc, the indication of different states in the electric meter groove is realized.
As a further scheme of the invention, an active ventilation grid is embedded in the side end face of the ammeter shell, a rotating louver is rotatably connected inside the active ventilation grid, and a sealing cushion layer is embedded on the surface of the rotating louver.
During the specific use, the inside rotation tripe that is equipped with of active ventilative grid, the air gets into the ammeter groove through the clearance within the rotation tripe, because ammeter electric leakage often still has the naked light along with, it is equipped with the seal cushion layer to rotate to inlay between the tripe, make adjacent rotation tripe laminate each other through rotating the tripe, make to rotate clearance between the tripe and close, improve the air tightness performance after the rotation tripe is closed through the seal cushion layer simultaneously, when taking place electric leakage, control is rotated the tripe and is rotated and make and rotate the air gap between the tripe and close, thereby make the inside gas passage in ammeter groove isolated, make ammeter inslot portion not have combustion environment, can effectively restrain ammeter inslot naked light and produce, prevent the damage of firing to ammeter inslot device.
As a further scheme of the invention, a transmission rod is further arranged inside the electric meter groove, two ends of the transmission rod are rotatably connected with a second rotating shaft, one end of the transmission rod is rotatably connected with a rotating shutter through the second rotating shaft, one end of the transmission rod, which is far away from the rotating shutter, is rotatably 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, a sliding block is fixedly connected to the rear end face of the control magnetic block, a groove matched with the sliding block is formed inside the electric meter groove, and the electric meter groove is located at two ends of the monitoring solenoid.
During the concrete use, when there is the electric leakage phenomenon in the ammeter inslot portion, the monitoring solenoid lets in the electric current and then makes the both ends of monitoring solenoid produce corresponding electromagnetic field, makes the control magnetic path slide in the ammeter inslot portion through magnetic force traction, drives the transfer line through the slip of control magnetic path, makes to rotate the tripe and rotates, and then makes to rotate and close the air gap between the tripe, makes to rotate the tripe can self-closing when the electric leakage, realizes rotating the initiative closure of tripe, effectively reduces the damage of electric leakage on fire to ammeter inslot portion device.
The working principle is as follows: when electric leakage occurs in the electric meter groove, the electric meter shell adopts a 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 a corresponding electromagnetic field through the 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 electric meter groove, one side of two sides of the insulating embedding layer is in a leakage potential state and the other side is in a grounding state through the insulating isolation of the insulating embedding layer, so that two ends of the monitoring solenoid have higher potential difference, the monitoring solenoid is driven to generate a magnetic field, the situation that the potential difference between the monitoring solenoids is lower, the magnetic field intensity is weaker, the state probe cannot be driven to deflect is avoided, and the magnetic force at two ends of the monitoring solenoid is enhanced through the reinforcing magnetic core arranged in the monitoring solenoid, the state indicating disc is driven to rotate by the swinging of the state probe, the connecting ring is driven to rotate by the rotation of the rotating rod, so that the state indicating disc rotates, the display state of the state indicating disc in the state displaying disc is changed, the electric leakage phenomenon is shown in the shell of the ammeter at the moment, the internal display state of the state indicating disc can be seen to be a safe display area through the state displaying disc under the normal condition, when the electric leakage phenomenon exists in a groove of the ammeter, if the electric leakage phenomenon exists, the state indicating disc generates a magnetic field in a single direction due to the direct current of the monitoring solenoid, the state probe deflects once, the state indicating disc rotates along with the state probe, the display state in the state indicating disc can be seen to be a first display area through the state displaying disc, if the electric leakage phenomenon exists in the groove of the ammeter, the state indicating disc generates a variable magnetic field with the variable direction due to the alternating current of the monitoring solenoid, the status probe is enabled to deflect in a reciprocating way, the status indicating disc is continuously driven to rotate by the driving toothed plate and the elastic pressing sheet, thereby the status indicator panel rotates to the second display area and stops rotating under the action of the limiting rod, the display state in the state indicating disc can be seen to be the second display area through the state display disc, the indication of different states in the electric meter groove is realized, and further, when the electricity leakage phenomenon exists in the electric meter groove, the monitoring solenoid is electrified to generate corresponding electromagnetic fields at two ends of the monitoring solenoid, the control magnetic block slides in the electric meter groove through magnetic traction, the transmission rod is driven through the sliding of the control magnetic block, so that the rotating shutter rotates, and then make and rotate the air gap between the tripe and close for rotate the tripe and can self-closing when the electric leakage, realize rotating the initiative closure of tripe, effectively reduce the electric leakage and catch fire to the damage of ammeter inslot device.
When electricity 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 a corresponding electromagnetic field through the 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 a corresponding state, and the phenomenon that operators touch the electric meter shell by mistake to cause safety accidents after the electric meter shell is electrified due to the electricity leakage in the electric meter groove is effectively avoided.
Drawings
The invention is further illustrated with reference to the following figures 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 view of the bottom plate structure of the electric meter of the present invention;
FIG. 4 is a schematic diagram of the structure of FIG. 3 at A in accordance with the present invention;
FIG. 5 is a schematic view of the status indicator panel attachment of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5B in accordance with the present invention;
FIG. 7 is a schematic top view of the rotatable shaft 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 view of the structure of FIG. 8 at C in accordance with the present invention;
FIG. 10 is a schematic diagram of a control magnetic block of the present invention;
FIG. 11 is a schematic view of the status indicator panel of the present invention.
In the figure: 1. a meter case; 2. an active air permeable grid; 3. a status display panel; 4. an insulating inlay; 5. monitoring the tank; 6. monitoring the solenoid; 7. a status probe; 8. a status indicator panel; 9. an electricity meter main body; 10. an electric meter groove; 11. a control magnetic block; 12. reinforcing the magnetic core; 13. a magnetic sheet; 14. an insulating pad layer; 15. a connecting ring; 16. a first rotating shaft; 17. rotating the rod; 18. a tooth socket; 19. a driving toothed plate; 20. elastic tabletting; 21. a transmission rod; 22. rotating the louver; 23. a spring; 24. a second rotating shaft; 25. sealing the cushion layer; 26. a slider; 27. a secure display area; 28. a first display area; 29. a limiting rod; 30. a second display area; 31. a third rotation axis.
Detailed Description
As shown in fig. 1-3, an intelligent ammeter with electric leakage prompt function, including ammeter casing 1, ammeter casing 1's preceding terminal surface fixed mounting has state display panel 3, ammeter groove 10 has been seted up to ammeter casing 1's inside, ammeter groove 10's inside fixed mounting has ammeter main part 9, monitoring groove 5 has still been seted up to ammeter groove 10's inside, monitoring groove 5 inside fixedly connected with monitoring solenoid 6, monitoring solenoid 6 is linked together with monitoring groove 5 inner wall both ends, ammeter groove 10 inside still rotates and is connected with status probe 7, status probe 7 is located monitoring solenoid 6's one end, status probe 7 drive is connected with status indicator 8, status indicator 8 and the adaptation of state display panel 3.
When electricity leakage occurs in the electric meter groove 10, current is generated at two ends of the inner wall of the monitoring groove 5, the current flows in the monitoring solenoid 6, a corresponding electromagnetic field is generated through the monitoring solenoid 6, the electromagnetic field drives the state probe 7 to deflect, and the state indicating plate 8 is driven to rotate and display a corresponding state.
During the use, when the inside electric leakage that takes place of ammeter groove 10, because ammeter casing 1 adopts metal casing, and then produces corresponding potential difference at the inner wall both ends of monitoring groove 5 to make the electric current circulate in monitoring solenoid 6's inside, monitoring solenoid 6 produces corresponding electromagnetic field through the electromagnetic induction principle, and electromagnetic field drive state probe 7 deflects, and the deflection through state probe 7 drives state indicator 8 and rotates, thereby drive state indicator 8 and rotate and show corresponding state.
As shown in fig. 1-3, an insulating embedding layer 4 is embedded in the middle of the ammeter shell 1 and the monitoring groove 5.
During the use, through insulating inlayed layer 4 with ammeter casing 1 and 5 both sides of monitoring groove keep apart relatively, and ammeter casing 1 meets with wall body or ground, when the electric leakage takes place in ammeter groove 10, through insulating the isolation of insulating inlayed layer 4, make both sides one side of insulating inlayed layer 4 be the electric leakage potential, one side is the ground state, thereby make monitoring solenoid 6's both ends have higher electric potential difference, thereby drive monitoring solenoid 6 and produce magnetic field, it is lower to avoid monitoring the electric potential difference between the solenoid 6, magnetic field intensity is weaker, unable drive state probe 7 deflects.
As shown in fig. 1 to 4, a reinforcing magnetic core 12 is embedded inside the monitoring solenoid 6, two ends of the reinforcing magnetic core 12 are fixedly connected with an insulating pad 14, and the reinforcing magnetic core 12 is fixedly connected with the inner wall of the electric meter slot 10 through the insulating pad 14.
During the use, strengthen magnetic core 12 and adopt paramagnetic material such as iron or nickel, set up inside monitoring solenoid 6 through strengthening magnetic core 12 for monitoring solenoid 6's both ends magnetic force reinforcing, and then improve monitoring solenoid 6 to the tractive ability of state probe 7.
As shown in fig. 1 to 4, a magnetic sheet 13 is embedded at one end of the state probe 7, which is attached to the monitoring solenoid 6.
When the monitoring solenoid 6 is used, when current is introduced into the monitoring solenoid 6 and is alternating current, the direction of a magnetic field generated by the monitoring solenoid 6 is changed continuously, and when the direction of the magnetic field of the monitoring solenoid 6 is changed continuously through the magnetic sheet 13, the magnetic sheet 13 changes along with the direction of the magnetic field of the monitoring solenoid 6 to generate corresponding traction force or repulsion force, so that the state probe 7 is driven to swing and rotate in a reciprocating manner.
As shown in fig. 1 to 5, a rotating rod 17 is fixedly connected to an end of the status probe 7 away from the magnetic sheet 13, a first rotating shaft 16 is rotatably connected to a lower end surface of the rotating rod 17, an end of the first rotating shaft 16 away from the rotating rod 17 is rotatably connected to an inner wall of the electric meter groove 10, a connecting ring 15 is rotatably sleeved on an upper end surface of the rotating rod 17, and an upper end surface of the connecting ring 15 is fixedly connected to the status indicator panel 8.
During the use, through the rotation of state probe 7's swing drive dwang 17, drive go-between 15 through the rotation of dwang 17 and rotate to make status indicator 8 rotate, make status indicator 8 show the state and change in the inside show state of status display dish 3, show that this moment ammeter casing 1 is inside to have electric leakage phenomenon.
As shown in fig. 1 to 7, a tooth groove 18 is embedded in one end of the connection ring 15 away from the status indication panel 8, an outer end surface of the rotation rod 17 is rotatably connected with a driving toothed plate 19, one end of the driving toothed plate 19 away from the rotation rod 17 is engaged with the tooth groove 18, an elastic pressing piece 20 is further embedded in an outer end of the rotation 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 engaged with the tooth groove 18.
During the use, when dwang 17 takes place to rotate, drive pinion rack 19 and rotate, and then drive go-between 15 through the meshing of drive pinion rack 19 and tooth's socket 18 and rotate, when letting in for the alternating current in monitoring solenoid 6, the reciprocal pendulum rotation of state probe 7 and then drive dwang 17 reciprocal rotation, drive pinion rack 19 and tooth's socket 18 meshing always at elasticity preforming 20 effect, constantly drive go-between 15 unidirectional rotation under the effect of driving pinion rack 19, and then make state indicator 8 show different electric leakage states.
As shown in fig. 1-7 and fig. 11, a third rotation shaft 31 is disposed in the middle of the status indication panel 8, the status indication panel 8 is rotatably connected inside the status display panel 3 through the third rotation shaft 31, the upper surface of the status indication panel 8 is divided into a safety display area 27, a first display area 28 and a second display area 30, the status display panel 3 is provided with a window adapted to the safety display area 27, the first display area 28 is located on two sides of the safety display area 27, the second display area 30 is located on one side of the first display area 28 departing from the safety display area 27, a limit rod 29 is fixedly connected to the joint of the second display area 30 and the first display area 28, and a shielding portion adapted to the limit rod 29 is disposed inside the status display panel 3.
When the electric meter is used, the internal display state of the state indicating disc 8 can be seen to be the safe display area 27 through the state display disc 3 under normal conditions, when the electric meter groove 10 has an electric leakage phenomenon, if the electric meter is direct current, the state indicating disc 8 generates a unidirectional magnetic field due to direct current of the monitoring solenoid 6, the state probe 7 only deflects once, further the state indicating disc 8 rotates along with the state probe 7, the display state in the state indicating disc 8 can be seen to be the first display area 28 through the state display disc 3, if the electric meter is alternating current, the state indicating disc 8 generates a variable magnetic field with a variable direction due to alternating current introduced into the monitoring solenoid 6, so that the state probe 7 performs reciprocating deflection, the state indicating disc 8 is driven to rotate continuously through the driving toothed plate 19 and the elastic pressing sheet 20, further the state indicating disc 8 rotates to the second display area 30, and stops rotating under the action of the limiting rod 29, the display state in the state indicating disc 8 is the second display area 30, so that the state displaying disc 3 can see, and the indication of different states in the electric meter groove 10 is realized.
As shown in fig. 1-3 and fig. 8-10, an active ventilation grid 2 is embedded in the side end face of an electric meter casing 1, a rotating louver 22 is rotatably connected inside the active ventilation grid 2, and a sealing cushion 25 is embedded on the surface of the rotating louver 22.
During the use, active ventilative grid 2 is inside to be equipped with rotates tripe 22, the air gets into ammeter groove 10 through rotating the clearance within the tripe 22, because ammeter electric leakage often still accompanies the naked light, it is equipped with seal cushion 25 to rotate to inlay between the tripe 22, make adjacent rotation tripe 22 laminate each other through rotating rotation tripe 22, make the clearance close between the rotation tripe 22, improve the airtight performance after rotation tripe 22 is closed through seal cushion 25 simultaneously, when taking place the electric leakage, control rotation tripe 22 rotates and makes and rotate the air gap between the tripe 22 and close, thereby make the inside gas passage of ammeter groove 10 isolated, make the inside no combustion environment of ammeter groove 10, can effectively restrain the inside naked light of ammeter groove 10 and produce, prevent the damage of firing to the inside device of ammeter groove 10.
As shown in fig. 1-3 and 8-10, a transmission rod 21 is further disposed inside the electric meter groove 10, two ends of the transmission rod 21 are rotatably connected with a second rotating shaft 24, one end of the transmission rod 21 is rotatably connected with a rotating louver 22 through the second rotating shaft 24, one end of the transmission rod 21, which is far away from the rotating louver 22, is rotatably 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 electric meter groove 10 through a spring 23, a sliding block 26 is fixedly connected to the rear end face of the control magnetic block 11, a groove matched with the sliding block 26 is formed inside the electric meter groove 10, and the electric meter groove 10 is located at two ends of the monitoring solenoid 6.
During the use, when there is the electric leakage phenomenon inside the ammeter groove 10, monitoring solenoid 6 lets in the electric current and then makes monitoring solenoid 6's both ends produce corresponding electromagnetic field, make control magnetic path 11 slide in ammeter groove 10 inside through magnetic force traction, drive transfer line 21 through the slip of control magnetic path 11, make rotation tripe 22 rotate, and then make and rotate the air gap between the tripe 22 and close, make rotation tripe 22 can self-closing when the electric leakage, realize rotating the initiative closure of tripe 22, effectively reduce the damage of electric leakage firing to ammeter groove 10 internal device.
The working principle is as follows: when electric leakage occurs in the electric meter groove 10, because the electric meter shell 1 adopts a metal shell, corresponding potential difference is generated at two ends of the inner wall of the monitoring groove 5, so that current flows in the monitoring solenoid 6, the monitoring solenoid 6 generates a corresponding electromagnetic field through the electromagnetic induction principle, the electromagnetic field drives the state probe 7 to deflect, the state indicating disc 8 is driven to rotate through the deflection of the state probe 7, when electric leakage occurs in the electric meter groove 10, through the insulation isolation of the insulation embedded layer 4, one side of two sides of the insulation embedded layer 4 is an electric leakage potential, the other side is a grounding state, so that two ends of the monitoring solenoid 6 have higher potential difference, the monitoring solenoid 6 is driven to generate a magnetic field, the situation that the potential difference between the monitoring solenoids 6 is lower, the magnetic field intensity is weaker, the state probe 7 cannot be driven to deflect is avoided, and the electric leakage can not be driven through the reinforcing magnetic core 12 arranged in the monitoring solenoid 6, the magnetic force at the two ends of the monitoring solenoid 6 is enhanced, the rotation of the rotating rod 17 is driven by the swinging of the state probe 7, the connecting ring 15 is driven to rotate by the rotation of the rotating rod 17, so that the state indicating disk 8 rotates, the display state of the state indicating disk 8 in the state displaying disk 3 changes, which indicates that the electric leakage phenomenon exists in the electric meter shell 1 at the moment, the internal display state of the state indicating disk 8 can be seen through the state displaying disk 3 under the normal condition is the safety display area 27, when the electric leakage phenomenon exists in the electric meter groove 10, if the electric leakage phenomenon exists in the direct current, the state indicating disk 8 generates a magnetic field in a single direction due to the direct current of the monitoring solenoid 6, the state probe 7 deflects once, and the state indicating disk 8 rotates along with the state probe 7, so that the display state in the state indicating disk 8 can be seen through the state displaying disk 3 is the first display area 28, if the current is alternating current, the state indicating disc 8 generates a variable magnetic field with a variable direction due to the fact that alternating current is introduced into the monitoring solenoid 6, the state probe 7 is enabled to deflect in a reciprocating manner, the state indicating disc 8 is driven to rotate continuously through the driving toothed plate 19 and the elastic pressing piece 20, so that the state indicating disc 8 rotates to the second display area 30, and stops rotating under the action of the limiting rod 29, the display state in the state indicating disc 8 can be seen to be the second display area 30 through the state displaying disc 3, indication of different states in the electric meter groove 10 is achieved, furthermore, when an electric leakage phenomenon exists in the electric meter groove 10, current is introduced into the monitoring solenoid 6, so that corresponding electromagnetic fields are generated at two ends of the monitoring solenoid 6, the control magnetic block 11 slides in the electric meter groove 10 through magnetic traction, the driving rod 21 is driven through the sliding of the control magnetic block 11, the rotating shutters 22 are rotated, air gaps between the rotating shutters 22 are closed, the rotating shutters 22 can be automatically closed when electricity leaks, active closing of the rotating shutters 22 is achieved, and damage to devices inside the electric meter groove 10 caused by electric leakage and fire is effectively reduced.
Claims (9)
1. The utility model provides an intelligent ammeter with electric leakage prompt facility, includes the ammeter casing, its characterized in that: the electric meter comprises an electric meter shell, a state display panel, an electric meter groove, a monitoring solenoid, a state probe, a state indicating panel and a state display panel, wherein the state display panel is fixedly arranged on the front end face of the electric meter shell, the electric meter groove is formed in the electric meter shell, the electric meter main body is fixedly arranged in the electric meter groove, the monitoring groove is also formed in the electric meter groove, the 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, the state probe is rotatably connected in the electric meter groove and is positioned at one end of the monitoring solenoid, the state probe is connected with the state indicating panel in a driving way, and the state indicating panel is matched with the state display panel,
when electricity leakage occurs in the electric meter groove, current is generated at two ends of the inner wall of the monitoring groove, the current flows in the monitoring solenoid, a corresponding electromagnetic field is generated through the monitoring solenoid, the electromagnetic field drives the state probe to deflect, and therefore the state indicating disc is driven to rotate.
2. The smart meter with the electric leakage prompting function according to claim 1, characterized in that: and insulating embedding layers are embedded in the middle parts of the ammeter shell and the monitoring groove.
3. The smart meter with the electric leakage prompting function according to claim 1, characterized in that: the inside of monitoring solenoid inlays and is equipped with the enhancement magnetic core, strengthen the insulating bed course of magnetic core both ends fixedly connected with, it links to each other with ammeter inslot wall is fixed through insulating bed course to strengthen the magnetic core.
4. The smart meter with the electric leakage prompting function according to claim 1, characterized in that: and a magnetic sheet is embedded at one end of the state probe, which is attached to the monitoring solenoid.
5. The smart meter with the electric leakage prompting function according to claim 4, characterized in that: the one end fixedly connected with dwang that state probe deviates from the magnetic sheet, the lower terminal surface of dwang is rotated and is connected with first axis of rotation, the one end that first axis of rotation deviates from the dwang rotates with the inner wall in ammeter groove and links to each other, the up end of dwang is rotated and has been cup jointed the go-between, the up end and the fixed linking to each other of state indicator dish of go-between.
6. The smart meter with the electric leakage prompting function according to claim 5, characterized in that: the go-between deviates from the one end of status indicator dish and inlays and be equipped with the tooth's socket, the outer terminal surface of dwang rotates and is connected with drive pinion rack, drive pinion rack deviates from dwang one end and tooth's socket meshing, the outer end of dwang still inlays and is equipped with the elasticity preforming, the elasticity preforming with drive the laminating of pinion rack, elasticity preforming elasticity extrusion drive pinion rack keeps meshing with the tooth's socket.
7. The smart meter with the electric leakage prompting function according to claim 1, characterized in that: the middle part of state indicating disk is equipped with the third axis of rotation, state indicating disk rotates the inside of connecting at the state display dish through the third axis of rotation, state indicating disk's upper surface divide into safe display area, first display area and second display area, state display disk opens the window that is equipped with safe display area looks adaptation, first display area is located the both sides in safe display area, the second display area is located one side that first display area deviates from safe display area, the second display area meets fixedly connected with gag lever post with first display area, just the inside occlusion part of offering with gag lever post looks adaptation of state display disk.
8. The smart meter with the electric leakage prompting function according to claim 1, characterized in that: the side end face of the ammeter shell is embedded with an active ventilating grid, the inside of the active ventilating grid is rotatably connected with a rotating shutter, and a sealing cushion layer is embedded on the surface of the rotating shutter.
9. The smart meter with the electric leakage prompting function according to claim 8, characterized in that: the inside in ammeter groove still is equipped with the transfer line, the transfer line both ends are rotated and are connected with the second axis of rotation, transfer line one end is rotated through the second axis of rotation and is connected with the rotation tripe, the transfer line deviates from the one end of rotating the 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, the groove with slider looks adaptation is seted up to ammeter inslot portion, just the ammeter trench is located the both ends of monitoring solenoid.
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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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