Intelligent electric meter capable of being freely combined

Abstract

The utility model relates to an intelligent electric meter capable of being freely combined, which comprises an electric meter body and a mounting part detachably arranged on a guide rail, and is characterized in that the electric meter body comprises a power supply module, a measurement module, a main control module, a display module, a UART (Universal Asynchronous Receiver / Transmitter) module and a key module for operating communication connection of the UART module; sliding grooves matched with the guide rails are formed in the middles of the faces, corresponding to the guide rails, of the mounting parts, positioning assemblies matched with the guide rails are symmetrically arranged at the upper ends and the lower ends of the mounting parts, and connecting pieces movably connected with the adjacent intelligent electric meters are arranged on the upper end faces of the mounting parts. According to the technical scheme, the UART modules are adopted to achieve wireless interconnection of the adjacent intelligent electric meters, all units of the electric meters can be freely combined, expansion is flexible, the distance is not limited, operation is easy, stability is high, the positioning assemblies are adopted to be matched with the guide rails, combined installation of the multiple intelligent electric meters is facilitated, space is saved, meanwhile, bolt connection is not needed, and cost is reduced. And the connecting piece is arranged, so that simultaneous sliding is facilitated, and more labor is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of smart electric meters, and more specifically to a freely combinable smart electric meter. Background Art

[0002] At present, with the rapid development of the national smart grid, the demand for smart meters is also increasing day by day. Due to the large number of meters, the various components of the existing three-phase meters are generally connected through soft connections, and the connecting wires are directly exposed to the outside, which is very messy and easy to damage. The disassembly and connection are complicated and the stability is low. Utility Model Content

[0003] In summary, in order to overcome the deficiencies of the prior art, the utility model provides a freely combinable smart electric meter.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a freely combinable smart meter, comprising a meter body and a mounting part detachably arranged on a guide rail, the meter body comprising a power supply module, a measurement module, a main control module, a display module, a UART module and a key module for operating the communication connection of the UART module, a sliding groove adapted to the guide rail is provided in the middle of one side of the mounting part corresponding to the guide rail, positioning components cooperating with the guide rail are symmetrically arranged at the upper and lower ends of the mounting part, and a connector movably connected to an adjacent smart meter is provided on the upper end surface of the mounting part.

[0005] By adopting the above technical solution, the UART module is used to realize the wireless interconnection of adjacent smart meters, so that the various units of the meter can be freely combined, the expansion is flexible, and the distance is not limited. At the same time, compared with the wire connection, the operation is simple and the stability is high. The positioning components are used in conjunction with the guide rails to facilitate the combined installation of multiple smart meters and save space. At the same time, no bolt connection is required, and disassembly and assembly are more convenient. The setting of connectors facilitates the sliding of multiple smart meters at the same time, which is more labor-saving.

[0006] The utility model further provides: an installation cavity for installing a positioning component is provided on the installation part, and the installation cavity is connected with the sliding groove through a connecting port. The positioning component includes a mounting frame adapted to the mounting cavity, a positioning member slidably arranged in the mounting frame and a locking member locked in a positioning state. An active groove is provided in the middle of the mounting frame, and the active groove is provided with a positioning hole adapted to the connecting port. The positioning member includes a pressing portion arranged outside the mounting frame and a positioning portion adapted to the positioning hole. Hinge portions are provided on both sides of the positioning hole, and connecting portions slidably matched with the active groove are provided on both sides of the positioning portion. A track groove matched with the locking member is provided on the connecting portion, and a positioning recess for positioning the locking member is provided on the track groove. One end of the locking member is hingedly connected to the hinge portion, and the other end is provided with a movable portion sliding along the track groove. When the movable portion moves to the positioning recess, the positioning component and the guide rail are in a locked state. When the movable portion disengages from the positioning recess along the track groove, the positioning component and the guide rail are in an active state.

[0007] By adopting the above technical solution, the positioning piece is pressed, and the positioning piece moves in the direction of the guide rail, and the movable part of the locking piece slides along the track groove. When the movable part moves to the positioning recess, the positioning piece extends out of the connecting port and is locked with the guide rail, thereby fixing the position of the smart meter. When the smart meter needs to be inserted or replaced, the positioning piece is pressed again. Under the action of the spring, the positioning piece drives the movable part to disengage from the positioning recess along the track groove, and the positioning piece retreats into the mounting bracket to release the locking state. The technical solution of the utility model is labor-saving to press, simple to operate, and highly stable.

[0008] The utility model is further configured as follows: spring grooves for accommodating springs are arranged on both sides of the inner cavity of the mounting frame, a first mounting column for limiting the spring is arranged in the spring groove, the positioning member also includes a second mounting column arranged on both sides of the positioning portion and cooperating with the first mounting column, and the spring is arranged between the first mounting column and the second mounting column.

[0009] By adopting the above technical solution, the compression and reset of the spring are made more stable.

[0010] The utility model is further provided with: a mounting slot for accommodating the connecting member is provided on one side of the upper end of the mounting portion, the connecting member includes a connecting foot hinged to the mounting slot and a rotatably arranged connecting card portion, and a card slot for connecting with the connecting card portion of an adjacent smart meter is provided on the other side.

[0011] By adopting the above technical solution, when adjacent smart meters are moved nearby, the connecting piece arranged in the installation slot is rotated and connected to the slot of the adjacent smart meter, so that the two can be connected. Compared with plug-in, no additional parts are required, it is not easy to be lost or damaged, the operation is simple and labor-saving, and the distance between the two is more compact, saving installation space.

[0012] The utility model is further configured as follows: the key module is electrically connected to the display module through the main control module, the UART module is electrically connected to the main control module and the power supply module respectively, the UART module adopts a MAX232 chip, and the main control module adopts an STM32F103 single-chip microcomputer.

[0013] By adopting the above technical solution, the cost is low, the stability is high, the short-range interconnection is achieved, the signal is stable, and the performance is good. The button module selects the adjacent smart meter through the display module, and controls the wireless communication interconnection of the UART module through the main control module to form a local network with the selected adjacent smart meter. The operation is simple, the use is convenient, the stability is high, and it is safer.

[0014] The specific implementation of the utility model is described below in conjunction with the drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the assembly state of an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the positioning assembly of an embodiment of the utility model;

[0017] Figure 3 It is a schematic diagram of the principle of an embodiment of the utility model;

[0018] Figure 4 This is a circuit diagram of a key module according to an embodiment of the utility model;

[0019] Figure 5 A circuit diagram of a display module according to an embodiment of the utility model;

[0020] Figure 6 A circuit diagram of a UART module according to an embodiment of the present utility model;

[0021] Figure 7 This is a partial circuit diagram of the main control module of an embodiment of the utility model;

[0022] Figure 8 A partial circuit diagram of a power supply module according to an embodiment of the utility model;

[0023] Figure numerals: 1. Electric meter body, 2. Mounting part, 21. Sliding groove, 22. Connecting port, 213. Mounting card slot, 214. Card slot, 3. Positioning assembly, 31. Mounting frame, 311. Movable slot, 312. Positioning hole, 313. Hinge part, 314. Spring slot, 315. First mounting column, 32. Positioning piece, 321. Pressing part, 322. Positioning part, 323. Connecting part, 324. Track slot, 325. Positioning recess, 326. Second mounting column, 33. Locking piece, 331. Movable part, 4. Connecting piece, 41. Connecting card part, 5. Guide rail, 6. Spring. DETAILED DESCRIPTION

[0024] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0025] See attached Figure 1-8 The present embodiment discloses a freely combinable smart meter, comprising a meter body and a mounting portion 2 detachably arranged on a guide rail 5, wherein the meter body 1 comprises a power supply module, a measurement module, a main control module, a display module, a UART module and a key module for operating the communication connection of the UART module, and a sliding groove 21 adapted to the guide rail 5 is arranged in the middle of one side of the mounting portion 2 corresponding to the guide rail 5, and positioning components 3 cooperating with the guide rail 5 are symmetrically arranged at the upper and lower ends of the mounting portion 2, and a connector 4 movably connected to an adjacent smart meter is arranged on the upper end surface of the mounting portion 2.

[0026] The present embodiment is further configured as follows: the mounting portion 2 is provided with a mounting cavity for mounting the positioning component 3, the mounting cavity is communicated with the sliding groove 21 through a connecting port 22, the positioning component 3 comprises a mounting frame 31 adapted to the mounting cavity, a positioning member 32 slidably arranged in the mounting frame 31 and a locking member 33 locked in a positioning state, a movable groove 311 is arranged in the middle of the mounting frame 31, the movable groove 311 is provided with a positioning hole 312 adapted to the connecting port 22, the positioning member 32 comprises a pressing portion 321 arranged outside the mounting frame 31 and a positioning portion 322 adapted to the positioning hole 312, and hinge portions are arranged on both sides of the positioning hole 312 313, connecting parts 323 slidably matched with the movable groove 311 are arranged on both sides of the positioning part 322, and track grooves 324 matched with the locking member 33 are arranged on the connecting part 323, and positioning recesses 325 for positioning the locking member 33 are arranged on the track groove 324. One end of the locking member 33 is hinged to the hinge part 313, and the other end is provided with a movable part 331 that slides along the track groove 324. When the movable part 331 moves to the positioning recess 325, the positioning component 3 and the guide rail 5 are in a locked state. When the movable part 331 disengages from the positioning recess 325 along the track groove 324, the positioning component 3 and the guide rail 5 are in an active state.

[0027] This embodiment is further configured as follows: spring grooves 314 for accommodating springs are provided on both sides of the inner cavity of the mounting frame 31, a first mounting column 315 for limiting the spring 6 is provided in the spring groove 314, the positioning member 32 also includes a second mounting column 326 provided on both sides of the positioning portion 322 and cooperating with the first mounting column 315, and the spring 6 is provided between the first mounting column 315 and the second mounting column 326.

[0028] This embodiment is further configured as follows: a mounting slot 213 for accommodating the connector 4 is provided on one side of the upper end of the mounting portion 2, the connector 4 includes a connecting foot hinged to the mounting slot 213 and a rotatably arranged connecting card portion 41, and a card slot 214 for connecting with the connecting card portion 41 of an adjacent smart meter is provided on the other side.

[0029] This embodiment is further configured as follows: the button module is electrically connected to the display module through the main control module, the UART module is electrically connected to the main control module and the power supply module respectively, the button module selects an adjacent smart meter through the display module, controls the UART module to wirelessly communicate and interconnect through the main control module, and forms a local network with the selected adjacent smart meters, the UART module adopts a MAX232 chip, and the main control module adopts an STM32F103 single-chip microcomputer.

[0030] The resistance values ​​of the resistors and the sizes of the capacitors shown in this embodiment can be adjusted according to needs, and the figures are only for exemplary reference.

[0031] The above-mentioned “between” does not only refer to directions and positions, but also includes the meaning of the interaction between different parts.

[0032] Although the terminology such as the meter body 1, the mounting portion 2, the sliding groove 21, the communication port 22, the mounting slots 214213, the slot 214, the positioning assembly 3, the mounting frame 31, the movable groove 311, the positioning hole 312, the hinge portion 313, the spring groove 314, the first mounting column 315, the positioning member 32, the pressing portion 321, the positioning portion 322, the connecting portion 323, the track groove 324, the positioning recess 325, the second mounting column 326, the locking member 33, the movable portion 331, the connecting member 4, the connecting clamp 41, the guide rail 5, the spring, etc. is used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the utility model; interpreting them as any additional limitation is contrary to the spirit of the utility model.

Claims

1. A freely combinable smart meter, characterized in that: It includes an electric meter body and a mounting part detachably arranged on a guide rail, the electric meter body includes a power supply module, a measurement module, a main control module, a display module, a UART module and a key module for operating the communication connection of the UART module, a sliding groove adapted to the guide rail is arranged in the middle of one side of the mounting part corresponding to the guide rail, positioning components cooperating with the guide rail are symmetrically arranged at the upper and lower ends of the mounting part, and a connector movably connected to an adjacent smart meter is arranged on the upper end surface of the mounting part.

2. A freely combinable smart meter according to claim 1, characterized in that: The mounting portion is provided with an mounting cavity for installing a positioning component, and the mounting cavity is connected to the sliding groove through a communicating port. The positioning component comprises a mounting frame adapted to the mounting cavity, a positioning member slidably arranged in the mounting frame, and a locking member locked in a positioning state. A movable groove is provided in the middle of the mounting frame, and the movable groove is provided with a positioning hole adapted to the communicating port. The positioning member comprises a pressing portion arranged outside the mounting frame and a positioning portion adapted to the positioning hole. Hinged portions are provided on both sides of the positioning hole, and connecting portions slidably matched with the active groove are provided on both sides of the positioning portion. A track groove matched with the locking member is provided on the connecting portion, and a positioning recess for positioning the locking member is provided on the track groove. One end of the locking member is hingedly connected to the hinged portion, and the other end is provided with a movable portion sliding along the track groove. When the movable portion moves to the positioning recess, the positioning component and the guide rail are in a locked state. When the movable portion disengages from the positioning recess along the track groove, the positioning component and the guide rail are in an active state.

3. A freely combinable smart meter according to claim 2, characterized in that: Spring grooves for accommodating springs are arranged on both sides of the inner cavity of the mounting frame, and a first mounting column for limiting the spring is arranged in the spring groove. The positioning member also includes a second mounting column arranged on both sides of the positioning portion and cooperating with the first mounting column, and the spring is arranged between the first mounting column and the second mounting column.

4. The freely combinable smart electric meter according to claim 1, characterized in that: A mounting slot for accommodating the connector is provided on one side of the upper end of the mounting portion. The connector includes a connecting foot hinged to the mounting slot and a rotatably arranged connecting card portion, and a card slot for connecting to a connecting card portion of an adjacent smart meter is provided on the other side.

5. The freely combinable smart meter according to claim 1, characterized in that: The key module is electrically connected to the display module through the main control module, the UART module is electrically connected to the main control module and the power supply module respectively, the UART module adopts a MAX232 chip, and the main control module adopts an STM32F103 single-chip microcomputer.

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