CN116699211B - Cost control three-phase electric energy meter capable of being calibrated rapidly - Google Patents
Cost control three-phase electric energy meter capable of being calibrated rapidly Download PDFInfo
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- CN116699211B CN116699211B CN202310976088.XA CN202310976088A CN116699211B CN 116699211 B CN116699211 B CN 116699211B CN 202310976088 A CN202310976088 A CN 202310976088A CN 116699211 B CN116699211 B CN 116699211B
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- electric energy
- energy meter
- wall
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 23
- 238000001125 extrusion Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 11
- 210000002421 cell wall Anatomy 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 241000883990 Flabellum Species 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 33
- 238000000151 deposition Methods 0.000 abstract description 2
- 230000000670 limiting effect Effects 0.000 description 13
- 238000007789 sealing Methods 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000007306 turnover Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
Abstract
The invention relates to the field of three-phase electric energy meters and discloses a cost-control three-phase electric energy meter capable of being calibrated quickly, which comprises a shell, a shell cover and an electric energy meter main body, wherein the shell cover is arranged at the front side of the shell, the shell cover is fixed on the shell through a locking structure, a heat dissipation structure is arranged in the shell, guide strips are connected to the two sides of the lower inner wall of the shell close to the edges, a moving strip is arranged in the guide strips in a sliding manner, a guide groove is formed in the moving strip along the length direction of the moving strip, when the moving strip is pulled out by opening the shell cover, the electric energy meter main body can be synchronously pulled out, and the electric energy meter main body is pulled out of the shell, so that when maintenance is needed, the working difficulty of maintenance workers is reduced, and the maintenance work efficiency is improved; and can rotate down the cap after pulling out the electric energy meter main part, avoid the cap to hinder the maintenance work to the electric energy meter main part, offered the standing groove simultaneously on the cap, utilize the standing groove can be used for depositing the instrument that the maintenance was used, simple structure, function are practical.
Description
Technical Field
The invention relates to the technical field of three-phase electric energy meters, in particular to a cost-control three-phase electric energy meter capable of being calibrated quickly.
Background
The three-phase electric energy meter is used for measuring the electric energy output by a power supply in a three-phase alternating current circuit, the working principle of the three-phase electric energy meter is the same as that of a single-phase electric energy meter, and a plurality of groups of driving components and a plurality of aluminum discs fixed on a rotating shaft are structurally adopted to realize the measurement of the three-phase electric energy;
through retrieval, chinese patent CN114814349B discloses a three-phase intelligent electric energy meter with dustproof heat dissipation function, which comprises a protective box, the lower surface of the inner wall of the protective box is fixedly connected with the lower surface of a pressure device, the air inlet at the back of the pressure device is fixedly connected with one end of the front of a first conduit, the other end of the first conduit is fixedly connected with one end of the front of a tee joint, the top end of the tee joint is fixedly connected with the bottom end of a second conduit, the pressure device is communicated with the second conduit through the first conduit and the tee joint, the top end of the second conduit is communicated with the bottom end of a sealing connector, the left end and the right end of the sealing connector are respectively communicated with one end of two third conduits, one conduit of the two third conduits is fixedly connected with the outer surface of three telescopic components through an air pipe, the other conduit of the two third conduits is fixedly connected with the outer surface of the other three telescopic components through an air pipe, the back of the six telescopic components is fixedly connected with the front of a fixed chuck, the front of the telescopic components is communicated with the back of a piston sucker, the piston is fixedly connected with the top end of the third conduit through a clamping head, the left end and the right end of the sealing connector are fixedly connected with the inner wall of the four conduits through the sealing cartridge, the front end of the sealing cartridge is fixedly connected with the front end of the three conduit, the other end of the air suction pipe is clamped in the sealing box, the back of the inner wall of the sealing box is fixedly connected with four elastic components, the other ends of the four elastic components are fixedly connected with the front of the same sealing plate, the back of the sealing plate is mutually clamped with the front of the inner wall of the sealing box, one end of the back of the air suction pipe is fixedly connected with a filter screen plate, and a vacuum groove is formed in the protecting box; through setting up first pipe, the second pipe, air pump assembly, vacuum tank, piston sucking disc and door plant, because air pump assembly can follow the gas extraction in the third pipe after finishing the gas extraction in first pipe, second pipe and the piston sucking disc, and because the vacuum tank is in sealed state under the laminating of sealed pad, make the gas pressure in vacuum tank reduce fast, make this electric energy meter can realize the effect of synchronous fixed to electric energy meter and door plant only need air pump assembly in the in-process that uses, the fixed mode of present bolt of replacement avoids causing the damage to intelligent electric energy meter body when installing and dismantling intelligent electric energy meter body, simultaneously, the degree of difficulty when installing and dismantling intelligent electric energy meter body has been reduced through the mode of air pump assembly integration installation, simultaneously, along with the operation of air pump assembly, make air pump assembly can cool down intelligent electric energy meter body and take a breath to the inside the protective housing through the mode of exhaust gas, avoid intelligent electric energy meter body to receive external factor at the in-process of operation, the protective effect of this electric energy meter has been improved;
however, the electric energy meter has the following problems in use: because the electric energy meter main body is arranged on the inner wall of the rear side of the protective box, the door plate is arranged at the front opening of the protective box, when the electric energy meter main body is damaged and needs to be maintained, the door plate needs to be opened from the protective box, but when the electric energy meter main body is maintained through the limited space at the upper opening of the protective box, the maintenance work difficulty is increased, and the maintenance work efficiency is reduced; the general electric energy meter is arranged on the wall, and maintenance tools are needed to be used during maintenance, so that maintenance workers are required to continuously take corresponding tools from a tool box placed on the ground for maintenance, and the work load of the maintenance workers is increased due to long-time operation; thus, there is a room for improvement.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a cost-control three-phase electric energy meter capable of being calibrated quickly.
The cost control three-phase electric energy meter capable of being calibrated rapidly provided by the invention adopts the following technical scheme:
the utility model provides a can quick calibration take accuse three-phase electric energy meter, includes shell, cap and electric energy meter main part, the front department of shell is provided with the cap, the cap passes through locking structure to be fixed on the shell, be provided with heat radiation structure in the shell, the lower inner wall both sides of shell are close to border department and all are connected with the gib block, it is provided with the movable strip to slide in the gib block, the guide way has been seted up to its length direction on the movable strip, circular slot has been seted up to the one end department of guide way, be provided with the commentaries on classics piece in the circular slot, be provided with two planes on the commentaries on classics piece, when the flat cap of changeing impels it on the shell, utilize the slip of two plane laminating on the upper and lower cell wall of guide way, can play the effect of direction for the cap can be smooth impel the shell and close the opening in the promotion in-process, two the commentaries on classics piece all are connected with the connecting block on one side that the connecting block is close to each other, two on one side that the connecting block is close to each other is connected with the upset strip, two the bottom of upset strip all is connected on the side of guide slot, circular slot has seted up on the cap, the wiring hole on the main part has been installed to the electric energy meter.
Preferably, an inner groove is formed in the rotating block, a lifting block is movably arranged in the inner groove, a first spring is connected between the lifting block and the bottom groove wall of the inner groove, the top end of the lifting block is connected with a stop rod penetrating out of the moving strip, a stop hole for inserting the top end of the stop rod is formed in the upper groove wall of the circular groove, and the top end of the stop rod and the stop hole are hemispherical.
Preferably, the extrusion groove is all offered on the lower cell wall of circular groove and guide way, be provided with the lifter in the extrusion groove, be connected with many T shape poles that pass the lifter on the lower cell wall of extrusion groove, the cover has the second spring on the T shape pole, the both ends of second spring are connected respectively on the lower cell wall of lifter and extrusion groove, the lifter is worn out to vertically to pass on the one end of removal strip and is had the inserted bar, the bottom of inserted bar is intubated and is offered in the slot on the lower inner wall of removal strip.
Preferably, the locking structure comprises a second groove formed in the inner wall of the shell cover, fixing blocks are connected to two sides of the lower groove wall of the second groove, screws are respectively rotatably arranged on the fixing blocks, a first gear is respectively sleeved on one end of each screw, which is close to each other, two locking rods are respectively arranged on the side groove walls of the second groove in a penetrating mode, threaded holes for inserting the screws are formed in the end portions of the locking rods, and locking holes are formed in the inner walls of the two sides of the shell, which are close to the opening.
Preferably, the middle part of the lower groove wall of the second groove is rotatably penetrated by a rotating rod, a second gear is sleeved on one end of the rotating rod inserted into the second groove, the second gear is connected with two first gears in a meshed manner, a rotating pipe is sleeved on the other end of the rotating rod, a limiting block is arranged on one end of the rotating rod inserted into the rotating pipe, a limiting groove for the insertion of the limiting block is formed in the pipe wall of the rotating pipe, a fourth spring is connected between the limiting block and one end groove wall of the limiting groove, a positioning rod is arranged at one end of the rotating pipe, a handle is arranged on the positioning rod, a fixed cylinder is connected with the outer surface of the shell cover at the position of the rotating rod, and a clamping groove for the insertion of the positioning rod is formed in the fixed cylinder.
Preferably, the wiring structure is connected with the connecting rod including connecting in electric energy meter main part both sides face top department, two the one end of connecting rod is all connected on the wiring board, set up the wiring groove that is "T" shape on the wiring board, every all mobilizable be provided with the clamp splice in the wiring groove, be connected with the guide bar on the one end cell wall of wiring groove, offer the jack that supplies the guide bar to inject on the clamp splice, the cover has the fifth spring on the guide bar, the both ends of fifth spring are connected respectively on the cell wall and the clamp splice of wiring groove.
Preferably, the position of each wiring groove on the wiring board is penetrated by a pressing rod, the top end of the pressing rod is connected with a pressing block, the bottom end of the pressing rod is connected with a fixing frame, and the fixing frame penetrates through a chute arranged on the clamping block.
Preferably, a sliding groove is formed in the middle of the inner wall of the rear side of the shell, a sliding block is arranged in the sliding groove in a sliding mode, a fixing rod is connected to the sliding block, a plurality of pulleys are sleeved on the fixing rod, and a third spring is connected between the sliding block and the top groove wall of the sliding groove.
Preferably, the heat radiation structure is including setting up the storage water tank on the both sides outer wall of shell, be connected with the water supply pipe on the delivery pump of storage water tank top, the bottom of storage water tank is connected with the wet return, install the cold water ware on the wet return, be connected with the cooling tube between wet return and the water supply pipe, the motor box is installed to the above middle department of shell, be provided with the flabellum on the one end in the electric motor output shaft intubate shell in the motor box, supply flabellum pivoted first recess has been seted up to the upper inner wall of shell, a plurality of heat dissipation grooves have been seted up on the lower inner wall of shell.
In summary, the invention has the following beneficial technical effects:
according to the invention, the movable bars are arranged on the guide bars at the edges of the two sides of the lower inner wall of the shell in a sliding manner, the electric energy meter main body is arranged on the mounting plates on the two movable bars, one end of the turnover bar which is rotationally connected with one end of the movable bar is connected with the shell cover, when the movable bar is pulled out by opening the shell cover, the electric energy meter main body can be synchronously pulled out, the electric energy meter main body is pulled out of the shell entirely, and the electric energy meter main body is exposed in front of the shell, so that when maintenance is needed, the working difficulty of maintenance workers is reduced, and the maintenance work is more visual and convenient;
further, the shell cover can be rotated down after the electric energy meter main body is pulled out, the shell cover is prevented from obstructing maintenance work of the electric energy meter main body, necessary structural support is provided for the electric energy meter main body to be completely exposed in front of the shell, the comprehensive detection of maintenance personnel is facilitated, the maintenance efficiency is improved, meanwhile, the placing groove is formed in the shell cover, and tools for maintenance can be stored by utilizing the placing groove, so that the electric energy meter main body is simple in structure and practical in function;
further, the bottom end of the inserted rod is inserted into the slot formed in the lower inner wall of the movable strip, the pulled-out electric energy meter main body is fixed and limited, sliding of the electric energy meter main body in the overhaul process is avoided, the position is fixed, and stability of the electric energy meter main body when overhaul work is guaranteed for overhaul staff;
further, the top end of the lifting block is connected with a stop rod, a stop hole for inserting the top end of the stop rod is formed in the upper groove wall of the circular groove, the top end of the stop rod and the stop hole are hemispherical, and the stability of the cover after overturning is improved through the limiting effect of the stop rod;
according to the invention, the guide groove and the circular groove which are mutually communicated are formed in the moving bar, the connecting block is arranged on the rotating block in the circular groove, the rotating bar is rotatably connected to the connecting block, the rotating block is provided with two planes, and when the rotating block is pushed onto the shell by the rotating flat shell cover, the sliding of the two planes on the rotating block, which are attached to the upper and lower groove walls of the guide groove, can play a role in guiding, so that the shell cover can be pushed onto the shell smoothly to close the opening in the pushing process;
according to the invention, the lifting bar is arranged in the extrusion groove on the lower groove wall of the guide groove and the round groove, the inserting bar penetrates through one end of the lifting bar penetrating through the moving bar, the second spring is connected between the lifting bar and the lower groove wall of the extrusion groove, the stop bar is connected to the lifting block in the inner groove in the rotating block, the stop hole is formed in the upper groove wall of the round groove, the first spring is connected between the lifting block and the lower groove wall of the inner groove, when the shell cover is pulled out and rotated down, the rotating block is driven to rotate in the round groove, the top end of the stop bar can be automatically pushed to be inserted into the stop hole for positioning, the falling problem caused by shaking of the shell cover when tools are stored in the placing groove is reduced, the bottom end of the inserting bar is also extruded to be moved down to be driven to be inserted into the inserting groove, the automatic positioning of the pulled-out electric energy meter main body is reduced, the problem that the moving bar slides on the guide bar in the maintenance process to cause the position movement of the electric energy meter main body is solved, and the maintenance work efficiency is improved;
the wiring board is arranged between the connecting rods on the electric energy meter main body, the clamping blocks are arranged in the wiring grooves formed in the wiring board, the fifth springs are connected between the clamping blocks and one end groove wall of the wiring groove, each wiring groove and the clamping block can be used for clamping each connecting wire connected with the electric energy meter main body to play a wiring role, so that wiring in the shell is more regular, inspection work of maintenance work is facilitated when short circuit of the wiring occurs, the wiring groove is designed into a T shape, and the wiring is conveniently inserted into the wiring groove to be clamped and fixed when the clamping blocks are pulled open in the wiring groove; the position of the wiring board corresponding to each wiring groove is provided with a pressing rod in a penetrating way, both ends of the pressing rod are respectively provided with a pressing block and a fixing frame, the fixing frame penetrates through a chute arranged on the clamping block, when wiring is needed, the clamping block can be pulled out to insert the line into the wiring groove only by downwards pressing the corresponding pressing block at the corresponding wiring groove, and then the pressing block is directly released, so that the clamping block can be pushed to clamp the line under the action of the elasticity of a fifth spring, and the operation is simple;
according to the invention, the fixed rod is connected to the sliding block which is arranged in the sliding groove on the inner wall of the rear side of the shell in a sliding way, the plurality of pulleys are sleeved on the fixed rod, the third spring is connected between the sliding block and the upper groove wall of the sliding groove, and the circuit inserted into the shell bypasses the pulleys, so that the circuit with a certain length can be prestored in the shell, and the main body of the electric energy meter can be smoothly pulled out from the shell without the problem of loose circuit connection;
the upper end and the lower end of the water storage tank on the outer walls of the two sides of the shell are respectively connected with the water supply pipe and the water return pipe, the cooling pipe is connected between one ends of the water supply pipe and the water return pipe inserted into the shell, the fan blades are arranged at the bottom end of the output shaft of the electric motor in the motor box above the shell, the plurality of heat dissipation grooves are formed in the lower surface of the shell, the water storage tank can be cooled and introduced into the cooling pipe in the shell to cool air in the shell, and meanwhile, the fan blades can be rotated to drive cold air in the shell to flow, so that heat generated in the working process of the electric energy meter can be better dissipated, and the service life of the electric energy meter can be prolonged.
Drawings
FIG. 1 is a schematic diagram of a cost-controlled three-phase electric energy meter capable of quick calibration according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a structure of a main body of a cost-controlled three-phase electric energy meter capable of being calibrated quickly after being pulled out in an embodiment of the invention;
FIG. 3 is a schematic diagram of the structures of a guide bar and a moving bar of a cost-controlled three-phase electric energy meter capable of being calibrated quickly in the embodiment of the invention;
FIG. 4 is a cross-sectional view of a guide bar and a moving bar of a cost-controlled three-phase electric energy meter capable of being calibrated quickly according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the structure at A of FIG. 1 in an embodiment of the invention;
FIG. 6 is an enlarged view of the structure at B of FIG. 2 in an embodiment of the invention;
FIG. 7 is an enlarged view of the structure at C of FIG. 4 in an embodiment of the invention;
FIG. 8 is an enlarged view of the structure at D of FIG. 4 in an embodiment of the invention;
FIG. 9 is a schematic diagram of a structure of a fast calibration after a fixed cylinder on a cover of a cost-controlled three-phase electric energy meter is disassembled;
FIG. 10 is an enlarged view of the structure at E of FIG. 9 in an embodiment of the invention;
FIG. 11 is a schematic diagram of a housing of a cost-controlled three-phase electric energy meter capable of quick calibration according to an embodiment of the present invention;
FIG. 12 is an enlarged view of the structure at F of FIG. 11 in an embodiment of the invention;
FIG. 13 is a schematic diagram of a structure of a rear side of a main body of a cost-controlled three-phase electric energy meter capable of being calibrated quickly according to an embodiment of the present invention;
fig. 14 is an enlarged view of the structure at G of fig. 13 in an embodiment of the present invention.
Reference numerals illustrate: 1. a housing; 101. a guide bar; 102. moving the bar; 103. a mounting plate; 104. turning over the strip; 105. a connecting block; 2. a cover; 201. a guide groove; 202. a rotating block; 203. a circular groove; 204. an inner tank; 205. a lifting block; 206. a first spring; 207. a stop lever; 3. a motor box; 301. lifting bars; 302. an extrusion groove; 303. a T-bar; 304. a second spring; 305. a rod; 306. a slot; 4. an electric energy meter main body; 401. a rotary pipe; 402. a handle; 403. a rotating rod; 404. a limiting block; 405. a limit groove; 406. a second gear; 5. a water storage tank; 501. a fixed block; 502. a screw; 503. a first gear; 504. a locking lever; 505. a second groove; 6. a water supply pipe; 601. a fourth spring; 602. a positioning rod; 603. a fixed cylinder; 604. a clamping groove; 7. a cooling tube; 701. a chute; 702. a slide block; 703. a third spring; 704. a fixed rod; 705. a pulley; 8. a water return pipe; 801. a wiring board; 802. a connecting rod; 803. wiring grooves; 804. a fifth spring; 805. a guide rod; 806. clamping blocks; 9. a water chiller; 901. pressing a rod; 902. pressing blocks; 903. a fixed frame; 904. a chute; 10. a heat sink; 11. a placement groove; 12. a first groove; 13. and (3) a fan blade.
Detailed Description
The present invention is described in further detail below with reference to fig. 1-14.
The embodiment of the invention discloses a cost control three-phase electric energy meter capable of being calibrated rapidly. Referring to fig. 1-14, a cost-controlled three-phase electric energy meter capable of being calibrated quickly comprises a housing 1, a housing cover 2 and an electric energy meter main body 4, wherein the housing cover 2 is arranged at the front side of the housing 1, a mounting groove for embedding the housing cover 2 is formed in the housing 1, the housing cover 2 is fixed on the housing 1 through a locking structure, a heat dissipation structure is arranged in the housing 1, guide strips 101 are connected to the positions, close to the edges, of the two sides of the lower inner wall of the housing 1, a movable strip 102 is arranged in the guide strips 101 in a sliding manner, a guide groove 201 is formed in the movable strip 102 along the length direction, a circular groove 203 is formed in one end of the guide groove 201, a rotating block 202 is arranged in the circular groove 203, two planes are arranged on the rotating block 202, when the rotating block 2 is pushed onto the housing 1 by the rotating block 202, the sliding of the two planes attached onto the upper and lower sides of the guide groove 201 can play a guiding role, so that the housing cover 2 can be pushed onto the housing 1 smoothly in the pushing process to close an opening, the other two sides of the rotating block 202 are arc-shaped surfaces, the two rotating blocks 202 are connected with a connecting block 105 on a side surface which is close to each other, the side surfaces which are close to each other of the two connecting blocks 105 are connected with a turnover bar 104, the bottom ends of the two turnover bars 104 are connected to a shell cover 2, a placing groove 11 is arranged on the inner wall of the shell cover 2, a mounting plate 103 provided with a heat dissipation hole is connected between the two movable bars 102, an electric energy meter main body 4 is arranged on the mounting plate 103, a wiring structure is arranged at the rear side of the electric energy meter main body 4, when the damaged electric energy meter main body 4 needs to be maintained, the shell cover 2 can be pulled out from the shell 1, when the rotating block 202 at one end of the turnover bar 104 slides into the circular groove 203, the shell cover 2 is pulled continuously, the movable bars 102 can be driven to slide in the guide bars 101, and the electric energy meter main body 4 on the mounting plate 103 is pulled out from the shell 1, thus, the maintenance work of the electric energy meter main body 4 is greatly facilitated, the maintenance work efficiency is improved, when the electric energy meter is calibrated, rated voltage and rated current are loaded to the electric energy meter, the calibration rate factor is set to be 1.0 through the issuing instruction of the upper computer, the phase error of the measured electric energy meter is obtained, the actual power of the measured electric energy meter is calculated in each section, whether the last section of the phase error section exists in the current section is judged, if yes, the calibration is completed, an inner groove 204 is formed in a rotating block 202, a lifting block 205 is movably arranged in the inner groove 204, a first spring 206 is connected between the lifting block 205 and the groove wall at the bottom end of the inner groove 204, the top end of the lifting block 205 is connected with a stop rod 207 which movably penetrates out of a moving bar 102, the top end of the stop rod 207 is inserted into a stop hole at the upper groove wall of the circular groove 203, the top end of the stop rod 207 and the stop hole are hemispherical, the lower groove walls of the round groove 203 and the guide groove 201 are respectively provided with an extrusion groove 302, the extrusion groove 302 is internally provided with a lifting bar 301, the lower groove wall of the extrusion groove 302 is connected with a plurality of T-shaped rods 303 which movably penetrate through the lifting bar 301, the T-shaped rods 303 are sleeved with second springs 304, two ends of each second spring 304 are respectively connected on the lifting bar 301 and the lower groove wall of the extrusion groove 302, one end of each lifting bar 301 penetrating out of the corresponding movable bar 102 vertically penetrates through an inserting rod 305, the bottom end of each inserting rod 305 is movably inserted into a slot 306 formed on the lower inner wall of the corresponding movable bar 102, when the electric energy meter main body 4 is completely pulled out, the rotary block 202 can be rotated in the round groove 203 to rotate the lower cover 2, tools which are needed in the maintenance process can be stored by utilizing the containing groove 11 on the cover 2 while the cover 2 is prevented from being hindered from normal maintenance work, and the rotary block 202 rotates in the round groove 203, the utility model provides an utilize the elasticity of first spring 206 to promote the stop lever 207 top and inject in the stop hole of circular slot 203 upper groove wall voluntarily, fix a position the cap 2 that turns down, reduce the problem that the instrument that leads to depositing because of rocking of cap 2 takes place to drop, simultaneously, the commentaries on classics piece 202 can downwardly extrusion lifter 301, the bottom of drive inserted link 305 is inserted in slot 306, carry out spacing to the electric energy meter main part 4 that pulls out, reduce the problem that the position of electric energy meter main part 4 takes place the skew in the maintenance process, the heat radiation structure is including setting up on the both sides outer wall of shell 1, all install storage water tank 5 on storage water tank 5 top delivery pump, be connected with water supply pipe 6 on the bottom of storage water tank 5, be connected with wet return 8 on the wet return 8, be connected with cooling tube 7 between wet return 8 and the wet return 6, motor case 3 is installed to the upper middle department of shell 1, electric motor output shaft in the motor case 3 is provided with flabellum 13 in the one end in the shell 1, the upper inner wall of shell 1 has seted up the first recess 12 that supplies flabellum 13 pivoted, a plurality of electric energy meter main part 4 have been seted up on the lower inner wall of shell 1, electric energy meter main part 4 when carrying out heat dissipation 1 in the shell 1 in the time of the shell 1 through the pump 5, take away heat in the air cooling down in the pump 1 through the air cooling down in the pump 5, and the air cooling down the cooling down pump 1 is more than in the shell 1, the air cooling down the air case is more than in the case 1, the upper middle of the temperature 1, and the upper part is cooled down, and the temperature in the air case 1.
Referring to fig. 5, 6, 9 and 10, the locking structure comprises a second groove 505 formed on the inner wall of the casing cover 2, fixing blocks 501 connected to both sides of the lower groove wall of the second groove 505, screws 502 rotatably passing through the two fixing blocks 501, first gears 503 sleeved on one ends of the two screws 502 close to each other, two locking rods 504 passing through the side groove walls of the second groove 505, threaded holes for inserting the screws 502 formed on the ends of the locking rods 504, locking holes formed on both inner walls of the casing 1 close to the openings, a rotary rod 403 rotatably passing through the middle of the lower groove wall of the second groove 505, a second gear 406 sleeved on one end of the rotary rod 403 and fixed between the second gear 406 and the two first gears 503, a rotary pipe 401 movably sleeved on the other end of the rotary rod 403, a limit block 404 arranged on one end of the rotary rod 403 inserted into the rotary pipe 401, a limiting groove 405 for inserting a limiting block 404 is formed in the pipe wall of the rotary pipe 401, a fourth spring 601 is connected between the limiting block 404 and the groove wall at one end of the limiting groove 405, a positioning rod 602 is arranged at one end of the rotary pipe 401, a handle 402 is arranged on the positioning rod 602, a fixed cylinder 603 is connected to the outside of the casing cover 2 at the position of the rotary rod 403, a clamping groove 604 for inserting the positioning rod 602 is formed in the fixed cylinder 603, after the casing cover 2 is inserted into a mounting groove on the casing 1, the positioning rod 602 can be pulled out from the clamping groove by using the handle 402, then under the limiting effect of the limiting block 404, a second gear 406 at one end of the rotary rod 403 is rotated by using the handle 402, two screws 502 are driven to rotate on the fixed block 501 by using two first gears 503, the ends of the two locking rods 504 can be driven to be inserted into the locking grooves on the inner wall of the casing 1, the casing cover 2 is locked on the casing 1, the operation is simple and convenient, and after locking, the handle 402 is released, and the positioning rod 602 is pulled back into the clamping groove 604 again for positioning under the tension of the fourth spring 601.
Referring to fig. 13-14, the wiring structure includes connecting bars 802 connected above two sides of a main body 4 of the electric energy meter, one ends of the two connecting bars 802 are connected to a wiring board 801, wiring grooves 803 in a T shape are provided on the wiring board 801, clamping blocks 806 are movably provided in each wiring groove 803, a guide bar 805 is connected to one end groove wall of the wiring groove 803, insertion holes for the guide bar 805 to insert movably are provided on the clamping blocks 806, a fifth spring 804 is sleeved on the guide bar 805, two ends of the fifth spring 804 are respectively connected to the groove wall of the wiring groove 803 and the clamping blocks 806, a pressing bar 901 is penetrated at the position of each wiring groove 803 on the wiring board 801, a pressing block 902 is connected to the top end of the pressing bar 901, a fixing frame 903 is connected to the bottom end of the pressing bar 901, the fixing frame 903 penetrates through a chute 904 provided on the clamping block 806, a sliding groove 701 is arranged in the middle of the inner wall of the rear side of the shell 1, a sliding block 702 is arranged in the sliding groove 701 in a sliding way, a fixed rod 704 is connected to the sliding block 702, a plurality of pulleys 705 are sleeved on the fixed rod 704, a third spring 703 is connected between the sliding block 702 and the top groove wall of the sliding groove 701, a through hole for a connecting wire to pass through is arranged on the upper surface of the shell 1, in order to ensure that the connecting wire connected with the electric energy meter main body 4 is distributed neatly in the shell 1, the maintenance is convenient, after the connecting wire is inserted into the shell 1 through the through hole, the connecting wire bypasses the pulleys 705 on the fixed rod 704, a connecting wire with a certain length is reserved in the shell 1, then the pressing rod 901 is pressed downwards through a pressing block 902 at a wiring groove 803 at a corresponding position to drive the fixed frame 903 to slide in the chute 904, the clamping block 806 is pulled out, the opening of the top end of the wiring groove 803 is exposed, the connecting wire is inserted into the wiring groove 803, the pressing block 902 is released, the clamping block 806 is pushed to clamp and fix the connecting wire in the wiring groove 803 under the elastic force of the fifth spring 804, and finally the connecting wire is connected with the electric energy meter main body 4.
The implementation principle of the cost control three-phase electric energy meter capable of being calibrated rapidly is as follows: when the electric energy meter main body 4 in the shell 1 is damaged and needs to be maintained, firstly, the positioning rod 602 is pulled out of the clamping groove by the handle 402, the second gear 406 at one end of the rotating rod 403 is rotated by the handle 402, the screw 502 is driven to rotate on the fixed block 501 by the two first gears 503, the end part of the locking rod 504 is pulled out of the locking hole on the inner wall of the shell 1, then the shell cover 2 is directly pulled out of the shell 1, the rotating block 202 is driven to slide into the circular groove 203 from the guide groove 201 of the movable bar 102, and the movable bar 102 is pulled out from the guide bar 101, so that the electric energy meter main body 4 is pulled out of the shell 1, the sliding block 702 is pulled to upwards extrude the third spring 703 to compress and slide in the sliding groove 701 in the process of moving out of the shell 1, a connecting wire with a certain length reserved in the shell 1 is released, when the electric energy meter main body 4 is completely pulled out, the turning bar 104 is utilized to rotate the shell cover 2, the placing groove 11 on the shell cover 2 is utilized to store tools used in the maintenance process, the turning bar 104 drives the turning block 202 to rotate in the circular groove 203 in the process of rotating down, when the stop rod 207 rotates to the position of the stop hole, the stop rod 207 is pushed by the lifting block 205 to be automatically inserted into the stop hole through the elastic force of the first spring 206, the rotated shell cover 2 is positioned, thus the problem that the stored tools fall due to shaking of the shell cover 2 in the maintenance process can be reduced, the rotation of the turning block 202 can also squeeze the lifting bar 301 to move downwards in the squeezing groove 302 to drive the bottom end of the inserting rod 305 to be inserted into the inserting groove 306, the pulled electric energy meter main body 4 is positioned, the problem that the electric energy meter main body 4 is shifted in position in the maintenance process is reduced, the maintenance work is facilitated, the maintenance work difficulty is reduced.
The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (7)
1. The utility model provides a cost accuse three-phase electric energy meter that can calibrate fast, includes shell (1), cap (2) and electric energy meter main part (4), its characterized in that: the utility model discloses a shell cover, including shell (1) and connecting block (2), shell cover (2) are provided with cap (2) in front department of shell (1), cap (2) are fixed on shell (1) through locking structure, be provided with heat radiation structure in shell (1), the lower inner wall both sides of shell (1) are close to border department and all are connected with guide bar (101), sliding in guide bar (101) is provided with movable strip (102), guide slot (201) have been seted up along its length direction on movable strip (102), circular slot (203) have been seted up in the one end department of guide slot (201), be provided with turning block (202) in circular slot (203), be provided with two planes on turning block (202), when turning block (2) impels shell (1) with it, utilize the slip of two planes laminating on upper and lower cell wall of guide slot (201) on turning block (202), can play the effect of direction for cap (2) can be smooth impel shell (1) and close the opening in the promotion process, two turning block (202) are close to each other on one side face (105), two side face (105) are connected with each other, two side face (105) are all connected with connecting block (2) are connected on connecting block (2) and are connected with each other, and two side face (2) are connected with each other, and are connected with top and each other top and have top and each other top (2, a mounting plate (103) provided with a heat dissipation hole is connected between the two moving strips (102), the electric energy meter main body (4) is mounted on the mounting plate (103), and a wiring structure is arranged at the rear side of the electric energy meter main body (4);
an inner groove (204) is formed in the rotating block (202), a lifting block (205) is movably arranged in the inner groove (204), a first spring (206) is connected between the lifting block (205) and the groove wall at the bottom end of the inner groove (204), a stop rod (207) is connected to the top end of the lifting block (205), a stop hole for inserting the top end of the stop rod (207) is formed in the upper groove wall of the circular groove (203), and both the top end of the stop rod (207) and the stop hole are hemispherical;
the novel lifting device is characterized in that extrusion grooves (302) are formed in the lower groove walls of the circular grooves (203) and the guide grooves (201), lifting bars (301) are arranged in the extrusion grooves (302), a plurality of T-shaped rods (303) penetrating through the lifting bars (301) are connected to the lower groove walls of the extrusion grooves (302), second springs (304) are sleeved on the T-shaped rods (303), two ends of each second spring (304) are respectively connected to the lifting bars (301) and the lower groove walls of the extrusion grooves (302), inserting bars (305) vertically penetrate through one ends of the lifting bars (301) penetrating out of the moving bars (102), and the bottom ends of the inserting bars (305) are inserted into inserting grooves (306) formed in the lower inner walls of the moving bars (102).
2. A cost-controlled three-phase electric energy meter capable of quick calibration according to claim 1, characterized in that: the locking structure comprises a second groove (505) formed in the inner wall of a shell cover (2), fixing blocks (501) are connected to two sides of the lower groove wall of the second groove (505), screws (502) are rotatably arranged on the fixing blocks (501) in a penetrating mode, first gears (503) are sleeved on one ends, close to each other, of the screws (502), two locking rods (504) are arranged on the side groove wall of the second groove (505) in a penetrating mode, threaded holes for inserting the screws (502) are formed in the end portions of the locking rods (504), and locking holes are formed in the inner walls of the two sides of the shell (1) close to the opening.
3. A cost-controlled three-phase electric energy meter capable of quick calibration according to claim 2, characterized in that: the utility model discloses a rotary table, including a casing cover (2), a rotary table (401), a stopper (404), a fourth spring (601) is connected between stopper (404) and the one end cell wall of spacing groove (405), one end of rotary table (401) is provided with locating lever (602), install handle (402) on locating lever (602), the outside of casing cover (2) is in rotary table (403) position department and is connected with fixed section of thick bamboo (603), offer on the pipe wall of fixed section of thick bamboo (603) and supply stopper (404) to inject spacing groove (405).
4. A cost-controlled three-phase electric energy meter capable of quick calibration according to claim 1, characterized in that: the wiring structure is connected with connecting rods (802) including connecting in electric energy meter main part (4) both sides face top department, two the one end of connecting rods (802) is all connected on wiring board (801), set up wiring groove (803) that are "T" shape on wiring board (801), every all mobilizable clamp splice (806) that are provided with in wiring groove (803), be connected with guide bar (805) on the one end cell wall of wiring groove (803), set up the jack that supplies guide bar (805) to inject on clamp splice (806), the cover has fifth spring (804) on guide bar (805), the both ends of fifth spring (804) are connected respectively on the cell wall of wiring groove (803) and clamp splice (806).
5. A fast calibrating cost-controlled three-phase electric energy meter according to claim 4, characterized in that: the wiring board is characterized in that a pressing rod (901) penetrates through the wiring grooves (803) of the wiring board (801), a pressing block (902) is connected to the top end of the pressing rod (901), a fixing frame (903) is connected to the bottom end of the pressing rod (901), and the fixing frame (903) penetrates through a chute (904) formed in the clamping block (806).
6. A cost-controlled three-phase electric energy meter capable of quick calibration according to claim 1, characterized in that: the novel sliding type electric bicycle is characterized in that a sliding groove (701) is formed in the middle of the inner wall of the rear side of the casing (1), a sliding block (702) is arranged in the sliding groove (701) in a sliding mode, a fixing rod (704) is connected to the sliding block (702), a plurality of pulleys (705) are sleeved on the fixing rod (704), and a third spring (703) is connected between the sliding block (702) and the top groove wall of the sliding groove (701).
7. A cost-controlled three-phase electric energy meter capable of quick calibration according to claim 1, characterized in that: the utility model discloses a heat radiation structure, including setting up storage water tank (5) all installs on the both sides outer wall of shell (1), be connected with water supply pipe (6) on storage water tank (5) top delivery pump, the bottom of storage water tank (5) is connected with wet return (8), install cold water ware (9) on wet return (8), be connected with cooling tube (7) between wet return (8) and water supply pipe (6), motor box (3) are installed to the above middle department of shell (1), be provided with flabellum (13) on the one end in electric motor output shaft intubate shell (1) in motor box (3), first recess (12) that supply flabellum (13) pivoted have been seted up to the upper inner wall of shell (1), a plurality of heat dissipation grooves (10) have been seted up on the lower inner wall of shell (1).
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| CN202310976088.XA CN116699211B (en) | 2023-08-04 | 2023-08-04 | Cost control three-phase electric energy meter capable of being calibrated rapidly |
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