CN216051895U - Three-phase electric energy meter of self-adaptation voltage - Google Patents

Abstract

The utility model discloses a self-adaptive voltage three-phase electric energy meter, which structurally comprises a bottom box, an upper cover, an upper box, a display screen, a warning lamp, a button, a lower cover, a voltage line and a fixed column, wherein auxiliary fixing devices are equidistantly arranged on the front end surface of the bottom box, the hand wheel is arranged on the top of the ring sleeve, the hand wheel enables the movable block to drive the gear set to move through the connecting rod group, the gear set drives the clamping mechanism to move, the clamping mechanism is abutted against the outer surface of the connecting wire, the effect of assisting in fixing the connecting wire is achieved, the connecting wire is prevented from being separated from the bottom box, the device is convenient to use and simple to operate, the working efficiency is effectively improved, through having set up clamping mechanism in ring cover middle part, the pinion drives the rotor plate swing, and the rotor plate drives the push rod activity, and the push rod drives the clamp plate activity, makes clamp plate and connecting wire surface support mutually, reaches the effect of pressing from both sides tight connecting wire, prevents to use inconveniently.

Description

Three-phase electric energy meter of self-adaptation voltage

Technical Field

The utility model relates to the technical field of three-phase electric energy meters, in particular to a three-phase electric energy meter capable of self-adapting to voltage.

Background

The three-phase electric energy meter is used for measuring the electric energy output (or load consumption) by a power supply in a three-phase alternating current circuit, the working principle of the three-phase electric energy meter is completely the same as that of a single-phase electric energy meter, the three-phase electric energy meter is structurally characterized in that a plurality of groups of driving parts and a plurality of aluminum discs fixed on a rotating shaft are adopted to measure the three-phase electric energy, and the three-phase electric energy meter comprises self-adaptive voltage in the using process.

Generally assemble connection piece and current terminal earlier in the three-phase electric energy meter use of self-adaptation voltage, then install connection piece and current terminal's assembly part on end box, and even screw up or unscrew as an organic whole with connection piece and current terminal according to actual demand, recycle the tool and bend the lug, installation PCBA, the box is gone up in the dress, cover the end cover, but the three-phase electric energy meter of traditional self-adaptation voltage is relatively poor to the fixed effect of connecting wire, the connecting wire receives external force influence and connection piece phase separation easily in the use, lead to the connecting wire to fall out from end box, influence work efficiency, the three-phase electric energy meter of traditional self-adaptation voltage is relatively poor to the connecting wire clamp effect simultaneously, lead to using inconveniently.

Disclosure of Invention

Technical problem to be solved

In order to overcome prior art not enough, the three-phase electric energy meter of a self-adaptation voltage is proposed at present, the three-phase electric energy meter of having solved traditional self-adaptation voltage is relatively poor to the fixed effect of connecting wire, and the connecting wire receives external force influence and connection piece phase separation easily in the use, leads to the connecting wire to fall out from the end box, influences work efficiency, and the three-phase electric energy meter of traditional self-adaptation voltage is relatively poor to the tight effect of connecting wire clamp simultaneously, leads to using inconvenient problem.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a three-phase electric energy meter capable of adapting to voltage, which comprises a bottom box, wherein an upper cover is arranged at the upper end of the front end surface of the bottom box, auxiliary fixing devices are equidistantly arranged on the front end surface of the bottom box, each auxiliary fixing device comprises a ring sleeve, a clamping mechanism, a hand wheel, a locking member, a threaded rod, a movable block, a connecting rod, a toothed plate, a sliding rail, a large gear and a small gear, the clamping mechanism is arranged in the middle of the ring sleeve, the hand wheel is arranged in the middle of the top end of the ring sleeve, the locking member is arranged at the lower end of the hand wheel, the threaded rod is connected with the bottom of the hand wheel, the locking member is arranged at the upper end of the outer surface of the threaded rod, the movable block is movably connected with the middle of the outer surface of the threaded rod, the connecting rod is hinged with the front end surface of the movable block horizontally and oppositely, the toothed plate is hinged with the left end of the connecting rod, the sliding rail is fixedly connected with the upper end in the ring sleeve horizontally and oppositely, and the pinion rack is connected with the right end of the slide rail in a sliding manner, the large gear is meshed with the left end of the pinion rack, the small gear is meshed with the outer surface of the large gear, and the ring sleeve bottom box is fixedly connected with the left end face of the front end face of the ring sleeve bottom box.

Further, terminal surface middle part is provided with the box before the end box, terminal surface upper end is provided with the display screen before going up the box, the left lower extreme of terminal surface is provided with the warning light before going up the box, the right lower extreme of terminal surface is provided with the button before going up the box, the terminal surface lower extreme is provided with the lower cover before the end box, the middle part is provided with the voltage line in the end box, four ends of middle part are fixed with the fixed column in the end box, the fixed capital portion is provided with the circuit board, the inside front end equidistance of end box is provided with the connection piece, connection piece top right-hand member is provided with the mounting.

Furthermore, the clamping mechanism comprises a clamping plate, a push rod, a rotating plate and an insulating pad, wherein the push rod is fixed at the left end of the clamping plate, the rotating plate is hinged with the left end of the push rod, the insulating pad is bonded with the inner side surface of the clamping plate through an adhesive, and the rotating plate is connected with the back surface of the pinion.

Furthermore, the diameter of the hand wheel is set to be 10 cm, and a layer of anti-skid grains is arranged on the outer surface of the hand wheel.

Furthermore, the middle part in the movable block is provided with internal threads, and the movable block is in threaded connection with the outer surface of the threaded rod.

Furthermore, retaining member length sets up to 8 centimetres to the retaining member passes through fixing bolt and ring cover top middle part fixed connection.

Furthermore, the included angle between the rotating plate and the push rod is gradually decreased when the rotating plate swings, and the included angle between the rotating plate and the push rod ranges from 30 degrees to 110 degrees.

Further, the thickness of the insulating pad is set to be 0.5 cm, and the length of the insulating pad is equal to that of the clamping plate.

Furthermore, the insulating pad is made of rubber.

Furthermore, the bottom box is made of PVC plastic.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1) the relatively poor problem of three-phase electric energy meter to the fixed effect of connecting wire for solving traditional self-adaptation voltage, terminal surface equidistance has set up supplementary fixing device before the box through at the end, install the hand wheel at the ring cover top, the hand wheel makes the movable block pass through the linkage and drives the gear train activity, the gear train drives clamping mechanism activity, make clamping mechanism and connecting wire surface support mutually, reach the effect of supplementary fixed connecting wire, prevent that the connecting wire from breaking away from in the box at the end, this device convenient to use easy operation, the effectual work efficiency that has improved.

2) The relatively poor problem of three-phase electric energy meter to the tight effect of connecting wire clamp for solving traditional self-adaptation voltage, through set up clamping mechanism at the ring cover middle part, the pinion drives the rotor plate swing, and the rotor plate drives the push rod activity, and the push rod drives the clamp plate activity, makes clamp plate and connecting wire surface support mutually, reaches the effect of pressing from both sides tight connecting wire, prevents to use inconveniently.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view 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 an auxiliary fixing device according to the present invention;

FIG. 4 is a front cross-sectional structural view of the auxiliary fixture of the present invention;

fig. 5 is a front view of the clamping mechanism of the present invention.

In the figure: the device comprises a bottom box-1, an upper cover-2, an upper box-3, a display screen-4, a warning lamp-5, a button-6, a lower cover-7, a voltage wire-8, a fixed column-9, a circuit board-10, a connecting sheet-11, a fixing piece-12, an auxiliary fixing device-13, a ring sleeve-131, a clamping mechanism-132, a hand wheel-133, a locking piece-134, a threaded rod-135, a movable block-136, a connecting rod-137, a toothed plate-138, a sliding rail-139, a large gear-1311, a small gear-1311, a clamping plate-1321, a push rod-1322, a rotating plate-1323 and an insulating pad-1324.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 2, the utility model provides a self-adaptive voltage three-phase electric energy meter, which comprises a bottom box 1, wherein an upper cover 2 is arranged at the upper end of the front end surface of the bottom box 1, the bottom box 1 is made of PVC plastic and has the advantages of light weight and easy movement, auxiliary fixing devices 13 are arranged at equal intervals on the front end surface of the bottom box 1, an upper box 3 is arranged in the middle of the front end surface of the bottom box 1, a display screen 4 is arranged at the upper end of the front end surface of the upper box 3, a warning lamp 5 is arranged at the left lower end of the front end surface of the upper box 3, a button 6 is arranged at the right lower end of the front end surface of the upper box 3, a lower cover 7 is arranged at the lower end of the front end surface of the bottom box 1, a voltage line 8 is arranged in the middle of the bottom box 1, fixing columns 9 are fixed at four ends in the bottom box 1, a circuit board 10 is arranged at the tops of the fixing columns 9, a connecting sheet 11 is arranged at equal intervals on the front end of the bottom box 1, and a fixing member 12 is arranged at the top of the connecting sheet 11.

Referring to fig. 3 and 4, the utility model provides a three-phase electric energy meter with adaptive voltage, by improvement, an auxiliary fixing device 13 includes a ring sleeve 131, a clamping mechanism 132, a hand wheel 133, a locking member 134, a threaded rod 135, a movable block 136, a connecting rod 137, a toothed plate 138, a sliding rail 139, a gearwheel 1310 and a pinion 1311, the clamping mechanism 132 is disposed at the middle portion inside the ring sleeve 131 to better fix the clamping mechanism 132, the hand wheel 133 is mounted at the middle portion of the top end of the ring sleeve 131, the diameter of the hand wheel 133 is set to 10 cm, and an anti-slip texture is disposed on the outer surface of the hand wheel 133 to prevent the occurrence of hand slip during use, the locking member 134 is mounted at the lower end of the hand wheel 133, the length of the locking member 134 is set to 8 cm, and the locking member 134 is fixedly connected with the middle portion of the top end of the ring sleeve 131 through a fixing bolt to better lock the threaded rod 135, the threaded rod 135 is connected with the bottom of the handwheel 133, the locking piece 134 is arranged at the upper end of the outer surface of the threaded rod 135, so that the threaded rod 135 can be better and fixedly installed, the movable block 136 is movably connected with the middle part of the outer surface of the threaded rod 135, the inner middle part of the movable block 136 is provided with an internal thread, the movable block 136 is in threaded connection with the outer surface of the threaded rod 135, so that the movable block 136 can better move on the outer surface of the threaded rod 135, the left and right horizontal surfaces of the connecting rod 137 are hinged with the front end surface of the movable block 136, so that the connecting rod 137 can be better and fixedly installed, the toothed plate 138 is hinged with the left end of the connecting rod 137, so that the toothed plate 138 can be better and fixedly installed, the left and right horizontal surfaces of the sliding rail 139 are fixedly connected with the inner upper end of the ring sleeve 131, the toothed plate 138 is in sliding connection with the right end of the sliding rail 128, and the large gear is meshed with the left end of the toothed plate 1310 138, so that the toothed plate 138 can better drive the large gear 1310 to rotate, the small gear 1311 is meshed with the outer surface of the large gear 1310, so that the large gear 1310 can better drive the small gear 1311 to rotate, and the ring sleeve 131 is fixedly connected with the left end face of the bottom box 1.

Referring to fig. 5, the present invention provides a voltage-adaptive three-phase electric energy meter by improving, wherein the clamping mechanism 132 includes a clamping plate 1321, a push rod 1322, a rotating plate 1323 and an insulating pad 1324, the left end of the clamping plate 1321 is fixed with the push rod 1322, so as to better fix and install the push rod 1322, the rotating plate 1323 is hinged with the left end of the push rod 1322, the included angle between the rotating plate 1323 and the push rod 1322 is gradually decreased when the rotating plate 1323 swings, and the included angle between the rotating plate 1323 and the push rod 1322 ranges from 30 degrees to 110 degrees, so as to achieve better clamping effect, the insulating pad 1324 is adhered to the inner side surface of the clamping plate 1321 by an adhesive, the insulating pad 1324 is made of rubber and has the advantage of stronger insulation, the thickness of the insulating pad 1324 is set to be 0.5 cm, and the insulating pad 1324 has the same length as the clamping plate 1321 in order to achieve the advantage of better insulation, and the rotating plate 1323 is coupled to the rear surface of the pinion 1311.

The insulating pad 1324 described in this patent is made of a rubber material, i.e., a high-elasticity polymer material having reversible deformation, is elastic at room temperature, can generate large deformation under the action of a small external force, and can recover to the original shape after the external force is removed, the rubber belongs to a completely amorphous polymer, the glass transition temperature (Tg) of the rubber is low, the molecular weight is often very large and is more than hundreds of thousands, the rubber is divided into two types, i.e., natural rubber and synthetic rubber, and the natural rubber is prepared by extracting colloid from plants such as rubber trees, rubber plants and the like and then processing the colloid; synthetic rubbers are obtained by polymerizing various monomers, and rubber products are widely used in industry or in various aspects of life.

The utility model relates to a three-phase electric energy meter capable of adapting to voltage, which has the working principle as follows:

firstly, the device is moved to a place where the device is needed to be used, and then the upper cover 2, the upper box 3 and the lower cover 7 are detached from the bottom box 1;

secondly, inserting the connecting wire into the bottom case 1 through the ring sleeve 131 to assemble the connecting sheet 11 and the current terminal, and then installing the assembly of the connecting sheet 11 and the current terminal on the bottom case 1;

thirdly, the rotation state of the threaded rod 135 is restored through the locking piece 134, the hand wheel 133 is rotated clockwise, the hand wheel 133 drives the threaded rod 134 to rotate, the movable block 136 moves on the outer surface of the threaded rod 134 through the internal thread, the movable block 136 drives the connecting rod 137 to swing, the connecting rod 137 drives the toothed plate 138 to move, the toothed plate 138 slides on the outer surface of the sliding rail 139, and the toothed plate 138 is meshed with the outer surface of the large gear 1310;

fourthly, the toothed plate 138 drives the large gear 1310 to rotate, the large gear 1310 is meshed with the outer surface of the small gear 1311, the large gear 1310 drives the small gear 1311 to rotate, the small gear 1311 drives the rotating plate 1323 to rotate, the rotating plate 1323 drives the push rod 1322 to move, the push rod 1322 drives the clamping plate 1321 to move, the clamping plate 1321 is abutted against the outer surface of the connecting wire, the threaded rod 135 is locked through the locking piece 14, the effect of assisting in fixing the connecting wire is achieved, then the screw for connecting the connecting sheet 11 and the current terminal into a whole is screwed down or loosened according to actual requirements, the wiring sheet is bent by using a jig, and the upper cover 2, the upper box 3 and the lower cover 7 are installed on the bottom box 1;

fifthly, after the device is used, the upper cover 2, the upper box 3 and the lower cover 7 are detached from the bottom box 1, the connecting wires are separated from the connecting pieces 11 through screws, the threaded rod 135 is restored through the locking pieces 134, the hand wheel 133 is rotated anticlockwise, the clamping plate 1321 is separated from the connecting wires, and finally the connecting wires are pulled out from the bottom box 1.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A three-phase electric energy meter adaptive to voltage comprises a bottom box (1), wherein an upper cover (2) is arranged at the upper end of the front end face of the bottom box (1);

the method is characterized in that: still include supplementary fixing device (13), the terminal surface equidistance is provided with supplementary fixing device (13) before end box (1), supplementary fixing device (13) are including ring cover (131), clamping mechanism (132), hand wheel (133), retaining member (134), threaded rod (135), movable block (136), connecting rod (137), pinion rack (138), slide rail (139), gear wheel (1310) and pinion (1311), the middle part is provided with clamping mechanism (132) in ring cover (131), hand wheel (133) are installed in ring cover (131) top middle part, retaining member (134) are installed in hand wheel (133) lower extreme, threaded rod (135) are connected with hand wheel (133) bottom to retaining member (134) are installed in threaded rod (135) surface upper end, movable block (136) and threaded rod (135) surface middle part swing joint, the level is relative about connecting rod (137) and is articulated with movable block (136) preceding terminal surface, the pinion rack (138) is articulated with connecting rod (137) left end, the level is relative and the inside upper end fixed connection of ring cover (131) about slide rail (139) to pinion rack (138) and slide rail (139) right-hand member sliding connection, gear wheel (1310) and pinion rack (138) left end intermeshing, pinion (1311) and gear wheel (1310) surface intermeshing, box (1) front end left end fixed connection at the bottom of ring cover (131).

2. The adaptive-voltage three-phase electric energy meter according to claim 1, wherein: the utility model discloses a box for the electronic reading and writing instrument, including end box (1), terminal surface middle part is provided with box (3) before end box (1), it is provided with display screen (4) to go up terminal surface upper end before box (3), it is provided with warning light (5) to go up the left lower extreme of terminal surface before box (3), it is provided with button (6) to go up the right lower extreme of terminal surface before box (3), the terminal surface lower extreme is provided with lower cover (7) before end box (1) at the end, the middle part is provided with voltage line (8) in end box (1), four ends are fixed with fixed column (9) in end box (1) at the end, fixed column (9) top is provided with circuit board (10), the inside front end equidistance of end box (1) is provided with connection piece (11), connection piece (11) top right-hand member is provided with mounting (12).

3. The adaptive-voltage three-phase electric energy meter according to claim 1, wherein: the clamping mechanism (132) comprises a clamping plate (1321), a push rod (1322), a rotating plate (1323) and an insulating pad (1324), wherein the push rod (1322) is fixed at the left end of the clamping plate (1321), the rotating plate (1323) is hinged with the left end of the push rod (1322), the insulating pad (1324) is bonded with the inner side surface of the clamping plate (1321) through an adhesive, and the rotating plate (1323) is connected with the back surface of the pinion (1311).

4. The adaptive-voltage three-phase electric energy meter according to claim 1, wherein: the diameter of the hand wheel (133) is set to be 10 cm, and a layer of anti-skid grains are arranged on the outer surface of the hand wheel (133).

5. The adaptive-voltage three-phase electric energy meter according to claim 1, wherein: the middle part in the movable block (136) is provided with internal threads, and the movable block (136) is in threaded connection with the outer surface of the threaded rod (135).

6. The adaptive-voltage three-phase electric energy meter according to claim 1, wherein: the length of the locking member (134) is set to be 8 cm, and the locking member (134) is fixedly connected with the middle part of the top end of the ring sleeve (131) through a fixing bolt.

7. The adaptive-voltage three-phase electric energy meter according to claim 3, wherein: the included angle between the rotating plate (1323) and the push rod (1322) is gradually decreased when the rotating plate (1323) swings, and the included angle between the rotating plate (1323) and the push rod (1322) ranges from 30 degrees to 110 degrees.

8. The adaptive-voltage three-phase electric energy meter according to claim 3, wherein: the thickness of the insulating pad (1324) is set to 0.5 cm, and the length of the insulating pad (1324) is equal to the length of the clamping plate (1321).

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