CN112240948B - Electric energy meter with shockproof function of built-in load switch - Google Patents
Electric energy meter with shockproof function of built-in load switch Download PDFInfo
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- CN112240948B CN112240948B CN202011024067.0A CN202011024067A CN112240948B CN 112240948 B CN112240948 B CN 112240948B CN 202011024067 A CN202011024067 A CN 202011024067A CN 112240948 B CN112240948 B CN 112240948B
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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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Abstract
The invention belongs to the field of electric energy meters, in particular to an electric energy meter with a built-in load switch shockproof function, which aims at the problem that the surface of the existing electric energy meter is easily covered by dirt and is not beneficial to reading when in use.
Description
Technical Field
The invention relates to the technical field of electric energy meters, in particular to an electric energy meter with a built-in load switch shockproof function.
Background
An electric energy meter is an instrument for measuring electric energy, and is also called a watt-hour meter, a fire meter and a kilowatt-hour meter, and refers to an instrument for measuring various electric quantities.
Through searching, publication No.: CN202770876U patent document discloses an electric energy meter with a built-in load switch shockproof function, which includes a housing assembly of the electric energy meter, and a working circuit, a main control CPU and a magnetic holding type load switch installed in the housing assembly of the electric energy meter, wherein the working circuit is connected to the magnetic holding type load switch and the main control CPU respectively, the electric energy meter further includes a switching circuit for controlling the switching on and off of the magnetic holding type load switch, and the switching circuit is connected to the main control CPU and the magnetic holding type load switch respectively. The utility model discloses when going up after the installation for the first time, master control CPU automated inspection magnetism keeps formula load switch's state, at first control magnetism keeps formula load switch to carry out a combined floodgate action, ensures load switch's the movable, stationary contact is reliable to guarantee the overload operation ability of electric energy meter, avoid because of load switch work is abnormal or the electric current too big load switch that leads to burns out, arouse the problem that the electric energy meter damaged, reduced the transportation loss of electric energy meter, improved the reliability that the electric energy meter used.
When the existing electric energy meter is used, the surface of the existing electric energy meter is easily covered by dirt, and reading is not facilitated, so that the electric energy meter with the shockproof function of the built-in load switch is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problem that the surface of an electric energy meter is easily covered by dirt and is not beneficial to reading when the electric energy meter is used in the prior art, and provides the electric energy meter with the shockproof function of a built-in load switch.
In order to achieve the purpose, the invention adopts the following technical scheme:
electric energy meter with shockproof function of built-in load switch, including the electric energy meter body, the electric energy meter body includes electric energy meter casing subassembly and installs work circuit, master control CPU and the magnetism keeping type load switch in electric energy meter casing subassembly, the outside of electric energy meter body is equipped with the protecting box, all rotates on the inner wall about the protecting box and installs the axis of rotation, and fixed mounting has same shielding plate in two axis of rotation, is equipped with the display screen on the electric energy meter body, and the shielding plate cooperatees with the display screen, be equipped with the protective cover on the protecting box, the left side of protecting box is seted up flutedly, and the connecting axle is installed to the recess internal rotation, and the outside fixed mounting of connecting axle has the one end of two connecting rods, and the other end of two connecting rods all with the left side fixed connection of protective cover, the left side of protecting box is equipped with the mounting panel, and the right side fixed mounting of mounting panel has first rack, and the meshing has first gear on the first rack, and the outside of connecting axle is fixed mounting panel has second gear and third gear, and the meshing has second rack, and second conductive block, and third conductive block, and the conductive block are equipped with the light on the top of the inner wall of protecting box, and the top of the first rack, and the conductive block contact of the third conductive block, and the conductive block are equipped with the conductive block contact of the conductive block, and the conductive block of the conductive block are equipped with the conductive block of the conductive block.
Preferably, fixed mounting has the mounting box on the top inner wall of protection box, and slidable mounting has the reset block in the mounting box, the bottom fixed mounting of reset block has the one end of stay cord, the other end of stay cord and the bottom inner wall fixed connection of protection box, and the top fixed mounting of reset block has first conducting strip, and fixed mounting has the second conducting strip on the top inner wall of protection box, and the outside of mounting box is equipped with the second power, and the outside fixed mounting of protection box has the alarm, and first conducting strip, second power, alarm and second conducting strip connect gradually through the wire.
Preferably, the reset groove has been seted up to one side of reset block, and slidable mounting has the fixed block in the reset groove, and fixed block fixed mounting is on one side inner wall of mounting box, and the bottom fixed mounting of fixed block has the one end of spring, the other end of spring and the bottom inner wall fixed connection in reset groove.
Preferably, a plurality of positioning rods are fixedly mounted on the inner wall of the top of the protection box, a plurality of positioning grooves are formed in the top of the electric energy meter body, and the bottom ends of the positioning rods are clamped with the corresponding positioning grooves.
Preferably, the bottom of the protection box is provided with a mounting hole, the bottom of the electric energy meter body is fixedly provided with a limiting plate, the bottom of the limiting plate is in contact with a baffle, and the baffle is in sliding connection with the bottom of the protection box.
Preferably, the baffle plate is provided with a locking rod in a sliding manner, the bottom of the protection box is provided with a locking groove, and the top end of the locking rod is clamped with the locking groove.
Preferably, the bottom fixed mounting of locking lever draws the piece, draws the top fixed mounting of piece to have reset spring, reset spring's top and the bottom fixed connection of baffle, and the outside of locking lever is located to the reset spring cover.
Preferably, the spread groove has been seted up at the top of baffle, and fixed mounting has two horizontal poles in the spread groove, and equal slidable mounting has the connecting block on two horizontal poles, the top of two connecting blocks all with the bottom fixed connection of protection box.
Preferably, the left side of the protection box is provided with a guide groove, a guide rod is fixedly mounted in the guide groove, a guide block is slidably mounted on the outer side of the guide rod, and the guide block is fixedly connected with the mounting plate.
Preferably, a bearing is fixedly installed on the inner wall of one side of the protection box, and an inner ring of the bearing is fixedly connected with the outer side of the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
when the scheme is used, when reading is needed, the protective cover is opened, the protective cover drives the connecting shaft to rotate, the connecting shaft drives the first gear to rotate, the first gear drives the first rack to move, the first rack drives the mounting plate to move, the mounting plate drives the second rack to move, the second rack drives the second gear to rotate, the second gear drives the rotating shaft to rotate, the rotating shaft drives the third gear and the shielding plate to rotate, the shielding plate relieves shielding on the display screen, the third gear drives the third rack to move upwards, the third rack drives the transmission rod to move, the transmission rod drives the first conductive block to move, the first conductive block is in contact with the second conductive block, the illuminating lamp is powered on and lightened at the moment, reading is convenient, when the protective cover is closed, the shielding plate covers the display screen, dirt is prevented from shielding the display screen, and meanwhile, the illuminating lamp is powered off;
according to the scheme, the locking rod is pulled by the pulling block to be separated from the locking groove, then the baffle is horizontally moved, the limitation on the bottom of the limiting plate is removed, the electric energy meter body can be moved downwards at the moment, and the electric energy meter body is taken out from the bottom of the protection box, so that the maintenance or the replacement is facilitated;
when the fire happens in the protection box, the pull rope is burned off, the spring releases the contraction state at the moment to enable the reset block to move upwards, and the reset block drives the first conducting strip to be in contact with the second conducting strip, so that the alarm is electrified and sounded to give an alarm;
the invention can prevent dirt from shielding the display screen, is convenient for reading, is convenient for maintenance or replacement, has an alarm function, and has simple structure and convenient use.
Drawings
FIG. 1 is a schematic structural diagram of an electric energy meter with a built-in load switch shockproof function according to the present invention;
FIG. 2 is a schematic diagram of a side view of an electric energy meter with a built-in load switch shockproof function according to the present invention;
FIG. 3 is a schematic top view of an electric energy meter with a shock-proof function of a built-in load switch according to the present invention;
FIG. 4 is a schematic structural diagram of a portion A of an electric energy meter with a built-in load switch shockproof function according to the present invention;
FIG. 5 is a schematic structural diagram of a portion B of the electric energy meter with the shockproof function of the built-in load switch according to the present invention;
FIG. 6 is a schematic structural diagram of a portion C of the electric energy meter with the shockproof function of the built-in load switch according to the present invention;
fig. 7 is a schematic structural diagram of a portion D of an electric energy meter with a built-in load switch shockproof function according to the present invention.
In the figure: 1 protective box, 2 electric energy meter body, 3 display screens, 4 shielding plates, 5 axis of rotation, 6 protective covers, 7 connecting axles, 8 connecting rods, 9 first gear, 10 first rack, 11 mounting panels, 12 second rack, 13 second gear, 14 light, 15 third gear, 16 third rack, 17 transfer lines, 18 first conducting blocks, 19 installation cover, 20 second conducting blocks, 21 stay cord, 22 installation box, 23 reset block, 24 first conducting strips, 25 second conducting strips, 26 spring, 27 fixed block, 28 locating rods, 29 locating grooves, 30 limiting plates, 31 baffle, 32 locking lever, 33 locking groove.
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.
Referring to fig. 1-7, an electric energy meter with a built-in load switch shockproof function comprises an electric energy meter body 2, the electric energy meter body 2 comprises an electric energy meter shell assembly, a working circuit, a master control CPU and a magnetic holding type load switch, the working circuit, the master control CPU and the magnetic holding type load switch are arranged in the electric energy meter shell assembly, a protective box 1 is arranged on the outer side of the electric energy meter body 2, rotating shafts 5 are rotatably arranged on the left inner wall and the right inner wall of the protective box 1, the same shielding plate 4 is fixedly arranged on the two rotating shafts 5, a display screen 3 is arranged on the electric energy meter body 2, the shielding plate 4 is matched with the display screen 3, a protective cover 6 is arranged on the protective box 1, a groove is formed in the left side of the protective box 1, a connecting shaft 7 is rotatably arranged in the groove, one end of two connecting rods 8 is fixedly arranged on the outer side of the connecting shaft 7, the other end of the two connecting rods 8 are fixedly connected with the left side of the protective cover 6, a mounting plate 11 is arranged on the left side of the protective box 1, a first rack 10 is fixedly arranged on the right side of the mounting plate 11, a first gear 9 is meshed on the first rack 10, the first gear 9 is fixedly sleeved on the outer side of the connecting shaft 7, a second gear 13 and a third gear 15 are fixedly sleeved on the outer side of the rotating shaft 5, a second rack 12 is meshed on the second gear 13, the second rack 12 is fixedly arranged on the mounting plate 11, an illuminating lamp 14 is fixedly arranged on the inner wall of the top of the protection box 1, a mounting sleeve 19 is fixedly arranged on the inner wall of the top of the protection box 1, a transmission rod 17 is slidably arranged in the mounting sleeve 19, a third rack 16 is fixedly arranged on the outer side of the transmission rod 17, the third rack 16 is meshed with the third gear 15, a first conductive block 18 is fixedly arranged on the top of the transmission rod 17, a second conductive block 20 is contacted with the top of the first conductive block 18, a first power supply is arranged on the protection box 1, the first conductive block 18, the first power source, the illumination lamp 14, and the second conductive block 20 are sequentially connected through a wire.
According to the invention, the mounting box 22 is fixedly mounted on the inner wall of the top of the protection box 1, the reset block 23 is slidably mounted in the mounting box 22, one end of the pull rope 21 is fixedly mounted at the bottom of the reset block 23, the other end of the pull rope 21 is fixedly connected with the inner wall of the bottom of the protection box 1, the first conducting strip 24 is fixedly mounted at the top of the reset block 23, the second conducting strip 25 is fixedly mounted on the inner wall of the top of the protection box 1, the second power supply is arranged on the outer side of the mounting box 22, the alarm is fixedly mounted on the outer side of the protection box 1, the first conducting strip 24, the second power supply, the alarm and the second conducting strip 25 are sequentially connected through wires, and the alarm can give an alarm when catching fire.
In the invention, one side of the reset block 23 is provided with a reset groove, a fixed block 27 is slidably mounted in the reset groove, the fixed block 27 is fixedly mounted on the inner wall of one side of the mounting box 22, one end of a spring 26 is fixedly mounted at the bottom of the fixed block 27, the other end of the spring 26 is fixedly connected with the inner wall of the bottom of the reset groove, and the spring 26 resets the reset block 23.
In the invention, a plurality of positioning rods 28 are fixedly arranged on the inner wall of the top of the protection box 1, a plurality of positioning grooves 29 are formed in the top of the electric energy meter body 2, and the bottom ends of the positioning rods 28 are clamped with the corresponding positioning grooves 29 to position the electric energy meter body 2.
According to the invention, the bottom of the protection box 1 is provided with the mounting hole, the bottom of the electric energy meter body 2 is fixedly provided with the limiting plate 30, the bottom of the limiting plate 30 is contacted with the baffle 31, the baffle 31 is in sliding connection with the bottom of the protection box 1, and the baffle 31 limits the bottom of the limiting plate 30.
In the invention, the locking rod 32 is slidably mounted on the baffle plate 31, the locking groove 33 is formed at the bottom of the protective box 1, and the top end of the locking rod 32 is clamped with the locking groove 33 to position the baffle plate 31.
In the invention, the bottom of the locking rod 32 is fixedly provided with the pulling block, the top of the pulling block is fixedly provided with the return spring, the top end of the return spring is fixedly connected with the bottom of the baffle plate 31, the return spring is sleeved outside the locking rod 32, and the return spring resets the locking rod 32.
In the invention, the top of the baffle 31 is provided with a connecting groove, two cross rods are fixedly arranged in the connecting groove, connecting blocks are respectively and slidably arranged on the two cross rods, the tops of the two connecting blocks are respectively and fixedly connected with the bottom of the protection box 1, and the connecting blocks and the cross rods enable the baffle 31 to stably slide.
According to the invention, a guide groove is formed in the left side of the protection box 1, a guide rod is fixedly installed in the guide groove, a guide block is slidably installed on the outer side of the guide rod and fixedly connected with the mounting plate 11, and the guide block and the guide rod enable the mounting plate 11 to stably slide.
In the invention, a bearing is fixedly arranged on the inner wall of one side of the protection box 1, and the inner ring of the bearing is fixedly connected with the outer side of the rotating shaft 5.
When the display screen reading device is used and reading is needed, the protective cover 6 is opened, the protective cover 6 drives the connecting shaft 7 to rotate, the connecting shaft 7 drives the first gear 9 to rotate, the first gear 9 drives the first rack 10 to move, the first rack 10 drives the mounting plate 11 to move, the mounting plate 11 drives the second rack 12 to move, the second rack 12 drives the second gear 13 to rotate, the second gear 13 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the third gear 15 and the shielding plate 4 to rotate, the shielding plate 4 relieves shielding on the display screen 3, the third gear 15 drives the third rack 16 to move upwards, the third rack 16 drives the transmission rod 17 to move, the transmission rod 17 drives the first conductive block 18 to move, the first conductive block 18 is in contact with the second conductive block 20, the illuminating lamp 14 is powered on at the moment, reading is convenient, when the protective cover 6 is closed, the shielding plate 4 covers the display screen 3, the display screen 3 is prevented from being shielded by dirt, and the illuminating lamp 14 is powered off; the locking rod 32 is pulled by the pulling block to be separated from the locking groove 33, then the baffle plate 31 is horizontally moved, the limitation on the bottom of the limiting plate 30 is removed, at the moment, the electric energy meter body 2 can be moved downwards, the electric energy meter body 2 is taken out from the bottom of the protection box 1, and the maintenance or the replacement is convenient; when fire occurs in the protection box 1, the pull rope 21 is blown, at the moment, the spring 26 is released from the contraction state, the reset block 23 moves upwards, the reset block 23 drives the first conducting strip 24 to be in contact with the second conducting strip 25, and the alarm is electrified and sounded to give an alarm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. Electric energy meter with shockproof function of built-in load switch, including electric energy meter body (2), electric energy meter body (2) includes electric energy meter casing subassembly and installs work circuit, master control CPU and the magnetic holding formula load switch in electric energy meter casing subassembly, a serial communication port, the outside of electric energy meter body (2) is equipped with protection box (1), all rotates on the inner wall about protection box (1) and installs axis of rotation (5), and fixed mounting has same shielding plate (4) on two axis of rotation (5), is equipped with display screen (3) on electric energy meter body (2), and shielding plate (4) cooperate with display screen (3), be equipped with protective cover (6) on protection box (1), the left side of protection box (1) is seted up flutedly, and connecting axle (7) are installed to the recess internal rotation, and the outside fixed mounting of connecting axle (7) has the one end of two connecting rods (8), and the other end of two connecting rods (8) all with the left side fixed connection of protective cover (6), the left side of protection box (1) is equipped with mounting panel (11), and the right side fixed mounting panel (11) has first rack (10), and the meshing has first gear (9) and the third gear (9) and the connecting axle (9) is equipped with third gear (13), a second rack (12) is meshed on the second gear (13), the second rack (12) is fixedly installed on the installation plate (11), an illuminating lamp (14) is fixedly installed on the inner wall of the top of the protection box (1), an installation sleeve (19) is fixedly installed on the inner wall of the top of the protection box (1), a transmission rod (17) is installed in the installation sleeve (19) in a sliding mode, a third rack (16) is fixedly installed on the outer side of the transmission rod (17), the third rack (16) is meshed with the third gear (15), a first conductive block (18) is fixedly installed on the top of the transmission rod (17), a second conductive block (20) is contacted with the top of the first conductive block (18), a first power supply is arranged on the protection box (1), and the first conductive block (18), the first power supply, the illuminating lamp (14) and the second conductive block (20) are sequentially connected through conducting wires;
the protection device is characterized in that a mounting box (22) is fixedly mounted on the inner wall of the top of the protection box (1), a reset block (23) is slidably mounted in the mounting box (22), one end of a pull rope (21) is fixedly mounted at the bottom of the reset block (23), the other end of the pull rope (21) is fixedly connected with the inner wall of the bottom of the protection box (1), a first conducting strip (24) is fixedly mounted at the top of the reset block (23), a second conducting strip (25) is fixedly mounted on the inner wall of the top of the protection box (1), a second power supply is arranged on the outer side of the mounting box (22), an alarm is fixedly mounted on the outer side of the protection box (1), and the first conducting strip (24), the second power supply, the alarm and the second conducting strip (25) are sequentially connected through wires;
a reset groove is formed in one side of the reset block (23), a fixed block (27) is slidably mounted in the reset groove, the fixed block (27) is fixedly mounted on the inner wall of one side of the mounting box (22), one end of a spring (26) is fixedly mounted at the bottom of the fixed block (27), and the other end of the spring (26) is fixedly connected with the inner wall of the bottom of the reset groove;
a plurality of positioning rods (28) are fixedly mounted on the inner wall of the top of the protection box (1), a plurality of positioning grooves (29) are formed in the top of the electric energy meter body (2), and the bottom ends of the positioning rods (28) are clamped with the corresponding positioning grooves (29);
the bottom of the protection box (1) is provided with a mounting hole, the bottom of the electric energy meter body (2) is fixedly provided with a limiting plate (30), the bottom of the limiting plate (30) is in contact with a baffle (31), and the baffle (31) is in sliding connection with the bottom of the protection box (1);
the locking device is characterized in that a locking rod (32) is slidably mounted on the baffle (31), a locking groove (33) is formed in the bottom of the protection box (1), and the top end of the locking rod (32) is clamped with the locking groove (33);
the bottom of the locking rod (32) is fixedly provided with a pull block, the top of the pull block is fixedly provided with a return spring, the top end of the return spring is fixedly connected with the bottom of the baffle (31), and the return spring is sleeved on the outer side of the locking rod (32);
the top of the baffle (31) is provided with a connecting groove, two cross rods are fixedly arranged in the connecting groove, connecting blocks are arranged on the two cross rods in a sliding manner, and the tops of the two connecting blocks are fixedly connected with the bottom of the protection box (1);
a guide groove is formed in the left side of the protection box (1), a guide rod is fixedly installed in the guide groove, a guide block is slidably installed on the outer side of the guide rod, and the guide block is fixedly connected with the installation plate (11);
and a bearing is fixedly arranged on the inner wall of one side of the protection box (1), and the inner ring of the bearing is fixedly connected with the outer side of the rotating shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024067.0A CN112240948B (en) | 2020-09-25 | 2020-09-25 | Electric energy meter with shockproof function of built-in load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024067.0A CN112240948B (en) | 2020-09-25 | 2020-09-25 | Electric energy meter with shockproof function of built-in load switch |
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| Publication Number | Publication Date |
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| CN112240948A CN112240948A (en) | 2021-01-19 |
| CN112240948B true CN112240948B (en) | 2023-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011024067.0A Active CN112240948B (en) | 2020-09-25 | 2020-09-25 | Electric energy meter with shockproof function of built-in load switch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116381303B (en) * | 2023-04-27 | 2024-02-23 | 深圳市先行电气技术有限公司 | Electric energy meter |
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|---|---|
| CN112240948A (en) | 2021-01-19 |
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