CN113341184B - Intelligent electric meter with overload protection device - Google Patents
Intelligent electric meter with overload protection device Download PDFInfo
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- CN113341184B CN113341184B CN202110637520.3A CN202110637520A CN113341184B CN 113341184 B CN113341184 B CN 113341184B CN 202110637520 A CN202110637520 A CN 202110637520A CN 113341184 B CN113341184 B CN 113341184B
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims description 25
- 210000001503 joint Anatomy 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 238000010891 electric arc Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 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
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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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
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
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Abstract
The invention discloses an intelligent electric meter with an overload protection device, and relates to the technical field of intelligent electric meters. This take overload protection device's smart electric meter, through the inside of putting into fixed cover block with input electric wire and output electric wire, and the change bolt is fixed input electric wire and output electric wire in the inside of fixed cover block, then put the lead wire in the inside of circular telegram groove, and the change bolt is fixed the lead wire in the inside of insulating cap, secondly rotate the insulating cap, let the lead wire run through fixed cover block and press down the one end of dwang, make the other end and the conducting block of dwang link together, the lead wire is after being fused by voltage high temperature, make the torsional spring rotate the dwang, let the input electric wire can not let fixed cover block and conducting block electrically conduct through electric arc, thereby protect smart electric meter's use, let electrostatic protection casing and electrostatic protection storehouse live the electromagnetic shield of external component, make the ammeter body not receive electromagnetic interference, improve the operation precision of ammeter body.
Description
Technical Field
The invention relates to the technical field of intelligent electric meters, in particular to an intelligent electric meter with an overload protection device.
Background
The intelligent electric meter is an intelligent terminal of an intelligent power grid, and has intelligent functions such as bidirectional multi-rate metering function, user side control function, bidirectional data communication function of multiple data transmission modes, electricity larceny prevention function and the like in order to adapt to the use of the intelligent power grid and new energy besides the metering function of basic electricity consumption of the traditional electric meter.
At present, when the intelligent electric meter for each family is used, most intelligent electric meters only use pointers to supply power for intelligence, and the electric meters cannot be protected when a circuit is overloaded, so that electric appliances in the circuit are damaged in the overload process of the circuit, or when the electric meters are installed, electromagnetic mutual interference can be generated between various electric meters or between electric appliance elements and the electric meters, and the accuracy of the intelligent electric meter is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the intelligent ammeter with the overload protection device, and solves the problems that the ammeter is easy to damage or generate electromagnetic interference in an overload circuit, and the accuracy is reduced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a take overload protection device's smart electric meter, includes the ammeter body, the top fixedly connected with display screen of ammeter body, the top of ammeter body and the front side fixedly connected with operation pilot lamp that is located the display screen, the top of ammeter body and the front side that is located operation pilot lamp rotate through the pivot and are connected with fixed lid, the top of ammeter body and the below that is located fixed lid have been seted up and have been recharged the hole, the top of ammeter body and the place ahead joint that is located fixed lid have overload protection mechanism, the front side fixedly connected with power protection mechanism of ammeter body, there is electrostatic protection mechanism in the outside of ammeter body through fixture block sliding connection.
Preferably, the overload protection mechanism comprises an overload protection bin, the top of the overload protection bin is provided with a moving hole, the inside of the moving hole is connected with a first sliding block in a sliding manner, the bottom of the first sliding block is connected with a second sliding block in a sliding manner, the bottom of the second sliding block is fixedly connected with an isolation plate, the right side of the bottom of the isolation plate is fixedly connected with a guide block, the left side of the bottom of the isolation plate is fixedly connected with the bottom of the inner surface of the overload protection bin through a first spring, the left side of the first sliding block is fixedly connected with the inner surface of the overload protection bin through a second spring, the top of the inner surface of the overload protection bin is fixedly connected with an electromagnet positioned on the right side of the first sliding block, the top of the overload protection bin is positioned on the right side of the moving hole and is provided with a mounting hole, and the inside of the mounting hole is fixedly connected with a mounting groove, and the inside of the mounting groove is fixedly connected with a fuse.
Preferably, the power-off protection mechanism includes the power-off protection board, the butt joint hole has been seted up in proper order from a left side to the right side to the front side of power-off protection board, the fixed nest of blocks of front side fixedly connected with of butt joint downthehole surface, the internal surface that just is located fixed nest of blocks rotates through the pivot and is connected with the dwang, and the outside fixedly connected with torsional spring of pivot, the internal surface that just is located the rear side fixedly connected with conducting block of dwang to the butt joint hole, the survey hole has been seted up at the top of power-off protection board and the top that is located fixed nest of blocks, the internal surface threaded connection in survey hole has the circular telegram subassembly.
Preferably, the electrostatic protection mechanism includes electrostatic protection casing and electrostatic protection storehouse, the equal fixedly connected with slider in both sides around the electrostatic protection storehouse top left and right sides, the sliding hole has been seted up to the inside of slider, and the inside sliding connection of sliding hole has the slide bar, fixed block fixed connection is passed through with the both ends of slide bar to the left and right sides of electrostatic protection casing bottom, the insulating pad of inside fixedly connected with in electrostatic protection storehouse.
Preferably, the electrifying assembly comprises an insulating cap, the outer surface of the insulating cap is in threaded connection with the inner surface of the measuring hole, an electrifying groove is formed in the bottom of the insulating cap, and the inner surface of the electrifying groove is fixedly connected with a lead wire through a bolt.
Preferably, the bottom of the lead wire penetrates through the fixed sleeve block and extends to the bottom of the fixed sleeve block, and the bottom of the lead wire is in contact with the top of the rotating rod.
Preferably, the first sliding block, the electrostatic protection cover and the electrostatic protection bin are all made of metal materials, clamping grooves matched with the clamping blocks are formed in the left side and the right side of the inner surface of the electrostatic protection bin, and the clamping blocks are insulators.
Preferably, the bottom of guide block runs through overload protection storehouse and extends to the bottom in overload protection storehouse, the front side of guide block contacts with the rear side of conducting block, the inside fixedly connected with input block of ammeter body front side, the rear side of guide block contacts with the front side of input block.
Preferably, the top of insulating pad contacts with the bottom of ammeter body, the hole of looking into has been seted up at the top of static protection casing, and looks into the inside fixedly connected with glass board in hole.
(III) advantageous effects
The invention provides an intelligent electric meter with an overload protection device. The method has the following beneficial effects:
(1) this take overload protection device's smart electric meter, through the inside of putting into fixed nest block with input electric wire and output electric wire, and the rotation bolt will be inputed electric wire and output electric wire and fix the inside at fixed nest block, then put the lead wire in the inside of circular telegram groove, and the rotation bolt fixes the lead wire in the inside of insulating cap, secondly rotate the insulating cap, let the lead wire run through fixed nest block and press down the one end of dwang, the other end that makes the dwang links together with the conducting block, can let the lead wire be by voltage high temperature fuse after like this, make the torsional spring rotate the dwang, the connection of disconnection fixed nest block and conducting block, let the input electric wire can not let fixed nest block and conducting block electrically conductive through electric arc, thereby protect smart electric meter's use.
(2) This take overload protection device's smart electric meter, through promoting first sliding block, let first sliding block extrude the second sliding block downwards, make the inside that the guide block introduced the ammeter body with the electric current of input wire through the input block, can let the electro-magnet circular telegram like this, inhale the right side at the removal hole with first sliding block, let the voltage in the fuse detection circuit simultaneously, when voltage overload, the electro-magnet outage, first spring and second spring separate conducting block and input block and guide block, thereby cut off the input wire and let the ammeter body stall.
(3) This take overload protection device's smart electric meter fixes the ammeter body in the inside in electrostatic protection storehouse through fixture block and draw-in groove, lets electrostatic protection cover remove the top in electrostatic protection storehouse again, can let electrostatic protection cover and electrostatic protection storehouse live the electromagnetic shield of external component like this, lets the insulating pad to ammeter body and electrostatic protection storehouse separation to let the ammeter body not receive electromagnetic interference, improve the running accuracy of ammeter body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the overload protection mechanism of the present invention;
FIG. 3 is a structural sectional view of the power-off protection mechanism of the present invention;
FIG. 4 is a structural cross-sectional view of the energizing assembly of the present invention;
FIG. 5 is a cross-sectional view of the structure of the junction of the meter body and the overload protection mechanism of the present invention;
fig. 6 is a schematic structural diagram of an electrostatic protection mechanism according to the present invention.
In the figure, 1, a meter body; 2. a display screen; 3. an operation indicator light; 4. a fixed cover; 5. a recharging hole; 6. an overload protection mechanism; 7. a power-off protection mechanism; 8. an electrostatic protection mechanism; 9. an overload protection bin; 10. a first slider; 11. a second slider; 12. an insulating panel; 13. a guide block; 14. a first spring; 15. a second spring; 16. an electromagnet; 17. mounting grooves; 18. a fuse; 19. a power-off protection board; 20. a butt joint hole; 21. fixing the sleeve block; 22. rotating the rod; 23. a torsion spring; 24. a conductive block; 25. lead wire; 26. an input block; 27. a measurement well; 28. a power-on component; 29. an electrostatic shield; 30. an electrostatic protection bin; 31. a slider; 32. a slide bar; 33. an insulating pad; 34. an insulating cap; 35. and (4) electrifying the cell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: an intelligent ammeter with an overload protection device comprises an ammeter body 1, wherein a display screen 2 is fixedly connected to the top of the ammeter body 1, an operation indicator lamp 3 is fixedly connected to the top of the ammeter body 1 and positioned on the front side of the display screen 2, a fixed cover 4 is rotatably connected to the top of the ammeter body 1 and positioned on the front side of the operation indicator lamp 3 through a rotating shaft, a recharging hole 5 is formed in the top of the ammeter body 1 and positioned below the fixed cover 4, an overload protection mechanism 6 is clamped and connected to the top of the ammeter body 1 and positioned in front of the fixed cover 4, a power-off protection mechanism 7 is fixedly connected to the front side of the ammeter body 1, an electrostatic protection mechanism 8 is slidably connected to the outside of the ammeter body 1 through a clamping block, the overload protection mechanism 6 comprises an overload protection bin 9, a moving hole is formed in the top of the overload protection bin 9, and a first sliding block 10 is slidably connected to the inside of the moving hole, the bottom of the first sliding block 10 is connected with a second sliding block 11 in a sliding manner, the connecting surface of the first sliding block 10 and the second sliding block 10 is an inclined surface, the bottom of the second sliding block 11 is fixedly connected with an isolation plate 12, the right side of the bottom of the isolation plate 12 is fixedly connected with a guide block 13, the left side of the bottom of the isolation plate 12 is fixedly connected with the bottom of the inner surface of an overload protection bin 9 through a first spring 14, the left side of the first sliding block 10 is fixedly connected with the inner surface of the overload protection bin 9 through a second spring 15, the top of the inner surface of the overload protection bin 9 is fixedly connected with an electromagnet 16 on the right side of the first sliding block 10, the type of the electromagnet 16 is 3540, the top of the overload protection bin 9 is provided with a mounting hole on the right side of a moving hole, the inside of the mounting hole is fixedly connected with a mounting groove 17, the inside of the mounting groove 17 is fixedly connected with a fuse 18, the type of the fuse 18 is 0451010.MRL, the power-off protection mechanism 7 comprises a power-off protection plate 19, a butt joint hole 20 is sequentially formed in the front side of the power-off protection plate 19 from left to right, a fixed sleeve block 21 is fixedly connected to the front side of the inner surface of the butt joint hole 20, a rotating rod 22 is rotatably connected to the inner surface of the butt joint hole 20 and is positioned on the rear side of the fixed sleeve block 21 through a rotating shaft, a torsion spring 23 is fixedly connected to the outer portion of the rotating shaft, a conductive block 24 is fixedly connected to the inner surface of the butt joint hole 20 and is positioned on the rear side of the rotating rod 22, a measurement hole 27 is formed in the top of the power-off protection plate 19 and is positioned above the fixed sleeve block 21, a power-on assembly 28 is in threaded connection with the inner surface of the measurement hole 27, the electrostatic protection mechanism 8 comprises an electrostatic protection cover 29 and an electrostatic protection chamber 30, sliders 31 are fixedly connected to the front side and the rear side of the left side and the right side of the top of the electrostatic protection chamber 30, a sliding hole is formed in the slider 31, and a sliding rod 32 is slidably connected to the inside of the sliding hole, the left side and the right side of the bottom of the electrostatic protection cover 29 are fixedly connected with the two ends of the sliding rod 32 through fixed blocks, the inside of the electrostatic protection bin 30 is fixedly connected with an insulating pad 33, the electrifying component 28 comprises an insulating cap 34, the outer surface of the insulating cap 34 is in threaded connection with the inner surface of the measuring hole 27, the bottom of the insulating cap 34 is provided with an electrifying groove 35, the inner surface of the electrifying groove 35 is fixedly connected with a lead wire 25 through a bolt, the insulating cap 34 is rotated, the lead wire 25 penetrates through the fixed sleeve 21 and presses down one end of the rotating rod 22, the other end of the rotating rod 22 is connected with the conductive block 24, the bottom of the lead wire 25 penetrates through the fixed sleeve 21 and extends to the bottom of the fixed sleeve 21, the bottom of the lead wire 25 is in contact with the top of the rotating rod 22, the first sliding block 10, the electrostatic protection cover 29 and the electrostatic protection bin 30 are all made of metal materials, the left side and the right side of the inner surface of the electrostatic protection bin 30 are provided with clamping grooves matched with the clamping blocks, the bottom of guide block 13 runs through overload protection storehouse 9 and extends to the bottom of overload protection storehouse 9, the front side of guide block 13 contacts with the rear side of conducting block 24, the inside fixedly connected with input block 26 of ammeter body 1 front side, the rear side of guide block 13 contacts with the front side of input block 26, the top of insulating pad 33 contacts with the bottom of ammeter body 1, the hole of looking into has been seted up at the top of electrostatic protection casing 29, and look into the inside fixedly connected with glass board in hole.
When the electric meter works, firstly, an input electric wire and an output electric wire are placed in the fixed sleeve block 21, the input electric wire and the output electric wire are fixed in the fixed sleeve block 21 by rotating the bolts, then the lead wire 25 is placed in the electrifying groove 35, the lead wire 25 is fixed in the insulating cap 34 by rotating the bolts, then the insulating cap 34 is rotated, the lead wire 25 penetrates through the fixed sleeve block 21 and one end of the rotating rod 22 is pressed down, the other end of the rotating rod 22 is connected with the conducting block 24, then the overload protection cabin 9 is clamped at the top of the electric meter body 1 by a buckle, the electric meter body 1 is placed on the insulating pad 33, the electrostatic protection hood 29 is moved to the top of the electrostatic protection hood cabin 30 by the sliding rod, finally, the first sliding block 10 is pushed, the first sliding block 10 downwards extrudes the second sliding block 11, the guiding block 13 leads the current of the input electric wire into the electric meter body 1 by the input block 26 to operate the electric meter body 1, when the voltage in the circuit transships, fuse 18 is blown by the overloaded voltage, make electro-magnet 16 cut off the power supply, let first sliding block 10 move left under the spring action of second spring 15, let insulating plate 12 move upwards under the spring action of first spring 14 simultaneously, make conducting block 24 and input block 26 and guide block 13 separate, thereby break the input wire and let ammeter body 1 stall, when the voltage in the circuit transships in the twinkling of an eye, lead wire 25 is blown by voltage high temperature, torsional spring 23 rotates dwang 22, let fixed nest of blocks 21 and conducting block 24 and the both ends separation of dwang 22, thereby break the input wire and let ammeter body 1 stall.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a take overload protection device's smart electric meter, includes ammeter body (1), its characterized in that: the display screen (2) is fixedly connected to the top of the electric meter body (1), the operation indicator lamp (3) is fixedly connected to the top of the electric meter body (1) and located on the front side of the display screen (2), the fixed cover (4) is rotatably connected to the top of the electric meter body (1) and located on the front side of the operation indicator lamp (3) through a rotating shaft, the recharging hole (5) is formed in the top of the electric meter body (1) and located below the fixed cover (4), the overload protection mechanism (6) is clamped and connected to the top of the electric meter body (1) and located in front of the fixed cover (4), the power-off protection mechanism (7) is fixedly connected to the front side of the electric meter body (1), and the electrostatic protection mechanism (8) is slidably connected to the outside of the electric meter body (1) through a clamping block;
the overload protection mechanism (6) comprises an overload protection bin (9), the top of the overload protection bin (9) is provided with a moving hole, the inside of the moving hole is connected with a first sliding block (10) in a sliding manner, the bottom of the first sliding block (10) is connected with a second sliding block (11) in a sliding manner, the bottom of the second sliding block (11) is fixedly connected with an isolation plate (12), the right side of the bottom of the isolation plate (12) is fixedly connected with a guide block (13), the left side of the bottom of the isolation plate (12) is fixedly connected with the bottom of the inner surface of the overload protection bin (9) through a first spring (14), the left side of the first sliding block (10) is fixedly connected with the inner surface of the overload protection bin (9) through a second spring (15), the top of the inner surface of the overload protection bin (9) is fixedly connected with an electromagnet (16) on the right side of the first sliding block (10), a mounting hole is formed in the top of the overload protection bin (9) and positioned on the right side of the moving hole, a mounting groove (17) is fixedly connected inside the mounting hole, and a fuse (18) is fixedly connected inside the mounting groove (17);
the power-off protection mechanism (7) comprises a power-off protection plate (19), a butt joint hole (20) is sequentially formed in the front side of the power-off protection plate (19) from left to right, a fixed sleeve block (21) is fixedly connected to the front side of the inner surface of the butt joint hole (20), the inner surface of the butt joint hole (20) and the rear side of the fixed sleeve block (21) are rotatably connected with a rotating rod (22) through a rotating shaft, a torsion spring (23) is fixedly connected to the outer portion of the rotating shaft, a conductive block (24) is fixedly connected to the inner surface of the butt joint hole (20) and the rear side of the rotating rod (22), a measuring hole (27) is formed in the top of the power-off protection plate (19) and located above the fixed sleeve block (21), and a power-on assembly (28) is in threaded connection with the inner surface of the measuring hole (27);
the electrifying assembly (28) comprises an insulating cap (34), an electrifying groove (35) is formed in the bottom of the insulating cap (34), and a lead wire (25) is fixedly connected to the inner surface of the electrifying groove (35) through a bolt;
the electrostatic protection mechanism (8) comprises an electrostatic protection cover (29) and an electrostatic protection bin (30), wherein the front side and the rear side of the left side and the rear side of the top of the electrostatic protection bin (30) are fixedly connected with sliding blocks (31), sliding holes are formed in the sliding blocks (31), sliding rods (32) are connected in the sliding holes in a sliding mode, the left side and the right side of the bottom of the electrostatic protection cover (29) are fixedly connected with the two ends of the sliding rods (32) through fixing blocks, and insulating pads (33) are fixedly connected in the electrostatic protection bin (30);
the bottom of the guide block (13) penetrates through the overload protection bin (9) and extends to the bottom of the overload protection bin (9), when the first sliding block (10) downwards extrudes the second sliding block (11), the isolation plate (12) drives the guide block (13) to downwards move, the front side of the guide block (13) is in contact with the rear side of the conductive block (24), the input block (26) is fixedly connected inside the front side of the ammeter body (1), and the rear side of the guide block (13) is in contact with the front side of the input block (26);
pushing the first sliding block (10), enabling the first sliding block (10) to downwards press the second sliding block (11), enabling the guide block (13) to lead the current of an input wire into the interior of the electric meter body (1) through the input block (26) to operate the electric meter body (1), when the voltage in the circuit is overloaded, the fuse (18) is blown by the overloaded voltage, the electromagnet (16) is powered off, the first sliding block (10) is moved leftwards under the action of the elastic force of the second spring (15), meanwhile, the isolating plate (12) is moved upwards under the action of the elastic force of the first spring (14), the conductive block (24) and the input block (26) are separated from the guide block (13), and the input wire is cut off, so that the electric meter body (1) stops operating;
the input electric wire and the output electric wire are put into the fixed sleeve block (21), and the input electric wire and the output electric wire are fixed in the fixed sleeve block (21) by rotating the bolt, then the lead wire (25) is placed in the electrifying groove (35), the bolt is rotated to fix the lead wire (25) in the insulating cap (34), then the insulating cap (34) is rotated to lead the lead wire (25) to penetrate through the fixed sleeve block (21) and press down one end of the rotating rod (22), so that the other end of the rotating rod (22) is connected with the conductive block (24), the overload protection bin (9) is clamped at the top of the ammeter body (1) through a buckle, when the voltage in the circuit transships in the twinkling of an eye, lead (25) are blown by voltage high temperature, and torsional spring (23) rotate dwang (22), let fixed nest of blocks (21) and conducting block (24) separate with the both ends of dwang (22) to break input wire and let ammeter body (1) stop the operation.
2. The smart meter with the overload protection device according to claim 1, wherein: the outer surface of the insulation cap (34) is in threaded connection with the inner surface of the measuring hole (27).
3. The smart meter with the overload protection device according to claim 2, wherein: the bottom of lead wire (25) runs through fixed set block (21) and extends to the bottom of fixed set block (21), the bottom of lead wire (25) contacts with the top of dwang (22).
4. The smart meter with the overload protection device according to claim 1, wherein: first sliding block (10), electrostatic protection casing (29) and electrostatic protection storehouse (30) all adopt metal material to make and form, the draw-in groove with fixture block looks adaptation is seted up to the internal surface left and right sides in electrostatic protection storehouse (30).
5. The smart meter with the overload protection device according to claim 1, wherein: the top of insulating pad (33) contacts with the bottom of ammeter body (1), the hole of looking into has been seted up at the top of static protection casing (29), and the inside fixedly connected with glass board in hole of looking into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637520.3A CN113341184B (en) | 2021-06-08 | 2021-06-08 | Intelligent electric meter with overload protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637520.3A CN113341184B (en) | 2021-06-08 | 2021-06-08 | Intelligent electric meter with overload protection device |
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| CN113341184A CN113341184A (en) | 2021-09-03 |
| CN113341184B true CN113341184B (en) | 2022-05-24 |
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| CN202110637520.3A Active CN113341184B (en) | 2021-06-08 | 2021-06-08 | Intelligent electric meter with overload protection device |
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| CN116577538B (en) * | 2023-05-16 | 2024-03-08 | 武汉阿迪克电子股份有限公司 | Ammeter convenient to maintain and overhaul |
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| CN112630490A (en) * | 2021-03-12 | 2021-04-09 | 南京豪豪黑电子商务有限公司 | Ammeter and overload protection device for same |
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| US8547686B2 (en) * | 2008-11-24 | 2013-10-01 | Meter Devices Company, Inc. | Watthour meter socket with secured access high voltage section |
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| CN113341184A (en) | 2021-09-03 |
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