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CN-121703482-B - Single-phase intelligent electric energy meter

CN121703482BCN 121703482 BCN121703482 BCN 121703482BCN-121703482-B

Abstract

The application relates to a single-phase intelligent electric energy meter, which relates to the technical field of electric meters and comprises an electric meter body with a wiring area and a data storage area, a communication module detachably arranged in the data storage area, a wiring terminal group arranged in the wiring area, and a first cover plate and a second cover plate which cover the data storage area and the wiring area respectively. The first cover plate and the second cover plate are detachably connected with the electric meter body through the first fixing piece and the second fixing piece respectively. Through establishing the linkage relation of first mounting and second mounting on the structure, make the second mounting by locking when first apron is in the state of covering, take out and rotate to the biggest open and shut the position after the second mounting unblock. The structure utilizes the mechanical linkage principle to restrict the disassembly sequence, guides an operator to disassemble the communication module first and then disassemble the wiring terminal group to a certain extent, and is beneficial to reducing the risk of adverse effect of misoperation on the stability of communication data.

Inventors

  • WANG WEI
  • LIU JINGANG
  • LI LIANGHONG
  • Han Honglong
  • TANG XIN
  • TAO ZHIXIANG
  • CHEN XIANDE
  • CHEN WENJUAN
  • RONG XIN

Assignees

  • 武汉阿迪克电子股份有限公司

Dates

Publication Date
20260508
Application Date
20260213

Claims (8)

  1. 1. A single-phase intelligent ammeter, characterized by comprising: An electric meter body (1) having a wiring area (11) and a data storage area (12); a communication module (2) detachably mounted to the data storage area (12); a terminal block (3) disposed in the connection region (11); The first cover plate (4) and the second cover plate (5) are both rotationally connected to the electric meter body (1), the first cover plate (4) is used for covering the data storage area (12), and the second cover plate (5) is used for covering the wiring area (11); the first fixing piece (6) is detachably connected between the first cover plate (4) and the electric meter body (1) and is used for fixing the first cover plate (4) at a position covering the data storage area (12); The second fixing piece (7) is detachably connected between the second cover plate (5) and the electric meter body (1) and is used for fixing the second cover plate (5) at a position for covering the wiring area (11), the second fixing piece (7) comprises a second bolt (71), a second opening (51) is formed in the middle of the second cover plate (5) in a penetrating mode, a connecting seat (14) is arranged in the middle of the wiring area (11) on the electric meter body (1), a mounting groove (141) is formed in the connecting seat (14), a threaded sleeve (15) is arranged in the mounting groove (141), a threaded groove (151) is formed in the threaded sleeve (15), the second opening (51) is opposite to the threaded groove (151) when the second cover plate (5) is located at the position for covering the wiring area (11), and the second bolt (71) can penetrate through the second opening (51) to be in threaded connection with the threaded groove (151); The single-phase intelligent electric energy meter further comprises a limiting mechanism (8), wherein the limiting mechanism (8) is connected in the mounting groove (141) in a telescopic manner and is positioned below the threaded sleeve (15), the limiting mechanism (8) comprises a driving component (81) and a butting component (82), the butting component (82) is mounted on the driving component (81), one end, deviating from the threaded groove (151), of the threaded sleeve (15) is axially provided with a butting circular groove (153), the driving component (81) is used for driving the butting component (82) to be axially inserted into or axially far away from the butting circular groove (153), and when the butting component (82) is inserted into the butting circular groove (153), the threaded sleeve (15) is in a fixed state; When the first fixing piece (6) is positioned at a position for covering the data storage area (12), the second fixing piece (7) is in a locking state and cannot be taken out, namely when the first fixing piece (6) fixes the first cover plate (4) at the position for covering the data storage area (12) and the second fixing piece (7) fixes the second cover plate (5) at the position for covering the wiring area (11), the limiting mechanism (8) is spaced from the threaded sleeve (15) so as to enable the threaded sleeve (15) to keep a rotating state; When the first fixing piece (6) is taken out and the first cover plate (4) is enabled to rotate to the maximum opening and closing position, the second fixing piece (7) is in an unlocking state and can be taken out, namely when the first fixing piece (6) is taken out and the first cover plate (4) rotates to the maximum opening and closing position, the limiting mechanism (8) automatically stretches and is in limiting fit with the threaded sleeve (15), so that the threaded sleeve (15) is in a fixed state.
  2. 2. The single-phase intelligent electric energy meter according to claim 1, characterized in that the first fixing piece (6) comprises a first bolt (61), a first opening (41) is arranged on one side of the first cover plate (4) away from the rotating connection part, a first threaded hole (13) is arranged on one side of the electric energy meter body (1) located in the data storage area (12), when the first cover plate (4) is located in a position covering the data storage area (12), the first opening (41) is opposite to the first threaded hole (13), and the first bolt (61) can penetrate through the first opening (41) and then is in threaded connection with the first threaded hole (13) so as to fix the first cover plate (4) on the electric energy meter body (1).
  3. 3. The single-phase intelligent electric energy meter according to claim 1, wherein a limit ring (152) is annularly arranged on the outer peripheral wall of the threaded sleeve (15), a limit ring groove (142) is annularly arranged on the inner peripheral wall of the mounting groove (141), and the limit ring (152) is rotationally embedded in the limit ring groove (142).
  4. 4. The single-phase intelligent ammeter according to claim 1, further comprising an on-off mechanism (9), wherein the on-off mechanism (9) is arranged in the ammeter body (1), and the on-off mechanism (9) is used for controlling the on-off of the driving component (81); When the first fixing piece (6) fixes the first cover plate (4) at the position covered by the data storage area (12) and the second fixing piece (7) fixes the second cover plate (5) at the position covered by the wiring area (11), the on-off mechanism (9) and the driving assembly (81) are in a disconnected state so that the abutting assembly (82) is far away from the abutting circular groove (153); When the first fixing piece (6) is taken out and the first cover plate (4) rotates to the maximum opening and closing position, the on-off mechanism (9) is electrically connected with the driving assembly (81) so that the driving assembly (81) drives the abutting assembly (82) to be inserted into the abutting groove.
  5. 5. The single-phase intelligent ammeter according to claim 1, wherein the driving assembly (81) comprises a reset electric cylinder (811), the extending direction of a piston rod of the reset electric cylinder (811) is consistent with the axis of the mounting groove (141), the abutting assembly (82) is arranged on the piston rod of the reset electric cylinder (811), and the piston rod of the reset electric cylinder (811) automatically contracts in a power-off state and automatically expands in a power-on state.
  6. 6. The single-phase intelligent ammeter according to claim 5, wherein the docking assembly (82) comprises a docking cylinder (821) and a limiting part (822), the docking cylinder (821) is axially connected to a piston rod of the resetting electric cylinder (811), the docking cylinder (821) is axially opposite to the docking circular groove (153), and the limiting part (822) is arranged on the side wall of the docking cylinder (821); a limit groove (154) is formed in the threaded sleeve (15), the limit groove (154) is formed in the side wall of the butt-joint round groove (153), the butt-joint round groove (153) can be communicated with the outside through the limit groove (154), and the shape and the size of the limit groove (154) are matched with those of the limit part (822); The inner wall surface of the butt-joint circular groove (153) is provided with a guide inclined surface (155), and the guide inclined surface (155) spirally extends to a limit groove (154) from the notch end of the butt-joint circular groove (153) along the insertion direction of the butt-joint circular groove (153); When the limiting part (822) and the limiting groove (154) are distributed in a staggered mode in the axial direction, the limiting part (822) can be in sliding contact with the guide inclined surface (155) in the axial movement process, so that the limiting part (822) enters the limiting groove (154) under the guide action of the guide inclined surface (155), and the threaded sleeve (15) is switched from a rotating state to a fixed state.
  7. 7. The single-phase intelligent ammeter according to claim 6, wherein the limit portion (822) has a chamfered end (8221), the chamfered end (8221) being adapted to slidingly mate with the guiding ramp (155).
  8. 8. The single-phase intelligent electric energy meter according to claim 4, wherein the on-off mechanism (9) comprises a battery body (91), a first conducting strip (92) and a second conducting strip (93), an embedded groove (16) for embedding the battery body (91) is formed in the electric energy meter body (1), a rotating rod (42) is arranged on one side, far away from the first opening (41), of the first cover plate (4), a rotating strip hole (17) is formed in the electric energy meter body (1), the rotating rod (42) is rotatably inserted into the rotating strip hole (17), a torsion spring (43) is sleeved on the rotating rod (42), one end of the torsion spring (43) is connected with the rotating rod (42), the other end of the torsion spring (43) is connected with the electric energy meter body (1), and the torsion spring (43) always has a trend of driving the first cover plate (4) to rotate to a maximum opening and closing position; The electric meter body (1) is also provided with a transmission cavity (18), the transmission cavity (18) is communicated between the embedded groove (16) and the rotating strip hole (17), and one end of the rotating rod (42) extends into the transmission cavity (18); the first conductive sheet (92) is arranged in the transmission cavity (18) and is electrically connected with the battery body (91), and the second conductive sheet (93) is connected to the rotating rod (42) and is connected with the driving component (81); wherein the second conductive sheet (93) is spaced apart from the first conductive sheet (92) when the first cover plate (4) is in a position covering the data storage area (12); When the first cover plate (4) rotates to the maximum opening and closing position, the second conductive sheet (93) is in conductive fit with the first conductive sheet (92).

Description

Single-phase intelligent electric energy meter Technical Field The application relates to the technical field of electric meters, in particular to a single-phase intelligent electric energy meter. Background At present, a wiring terminal of the single-phase electric energy meter is used for realizing input and output of current and voltage so as to accurately meter electric energy, a terminal cover is usually arranged in a wiring area for guaranteeing personal safety and metering stability, and meanwhile, a detachable communication module is also arranged on the single-phase electric energy meter and is usually shielded by a turnover cover plate. When dismantling the electric energy meter, need dismantle according to the operation rule, need open the apron earlier promptly, dismantle communication module in proper order, just can open the terminal cover, dismantle the wire on the binding post of wiring region. The wires on the wiring terminals are detached first, so that errors or loss of data stored in the communication module are likely to be caused, and normal charging of users is affected. However, when the electric energy meter is disassembled, the situation that the data of the communication module is lost due to the disassembly error of an operator often occurs. Disclosure of Invention The embodiment of the application provides a single-phase intelligent electric energy meter, which can effectively improve the condition that a worker loses data of a communication module due to assembly and disassembly errors, so as to at least partially solve the technical problems. To achieve the above object, according to a first aspect of the present application, there is provided a single-phase smart electric energy meter comprising: The ammeter body is provided with a wiring area and a data storage area; the communication module is detachably arranged in the data storage area; The wiring terminal group is arranged in the wiring area; the first cover plate and the second cover plate are both rotationally connected to the electric meter body, the first cover plate is used for covering the data storage area, and the second cover plate is used for covering the wiring area; the first fixing piece is detachably connected between the first cover plate and the electric meter body and used for fixing the first cover plate at a position for covering the data storage area; the second fixing piece is detachably connected between the second cover plate and the electric meter body and used for fixing the second cover plate at a position for covering the wiring area; when the first fixing piece is in a position for covering the data storage area, the second fixing piece is in a locking state and cannot be taken out, and when the first fixing piece is taken out and the first cover plate is enabled to rotate to a maximum opening and closing position, the second fixing piece is in an unlocking state and can be taken out. Optionally, the first mounting includes first bolt, one side that the rotation junction was kept away from to first apron is equipped with first trompil, one side that is located data storage region on the ammeter body is equipped with first screw hole when first apron is in the position of hiding data storage region, first trompil is just right with first screw hole, first bolt can pass behind the first trompil with first screw hole threaded connection to fix first apron on the ammeter body. Optionally, the second fixing piece includes a second bolt, a second opening is formed in the middle of the second cover plate in a penetrating manner, a connecting seat is arranged in the middle of the electric meter body, which is located in the wiring area, a mounting groove is formed in the connecting seat, a threaded sleeve is rotationally arranged in the mounting groove, a threaded groove is formed in the threaded sleeve, when the second cover plate is located in a position covering the wiring area, the second opening is opposite to the threaded groove, and the second bolt can penetrate through the second opening to be in threaded connection with the threaded groove; The single-phase intelligent electric energy meter further comprises a limiting mechanism which is connected in the mounting groove in a telescopic manner and is positioned below the threaded sleeve; When the first fixing piece fixes the first cover plate at the position covered by the data storage area and the second fixing piece fixes the second cover plate at the position covered by the wiring area, the limiting mechanism is spaced from the threaded sleeve so as to enable the threaded sleeve to keep a rotating state; When the first fixing piece is taken out and the first cover plate rotates to the maximum opening and closing position, the limiting mechanism automatically stretches and is in limiting fit with the threaded sleeve, so that the threaded sleeve is in a fixed state. Optionally, a limit ring is arranged on the outer peripheral wall of the thre