CN219456287U

CN219456287U - Three-phase guide rail type electric energy meter

Info

Publication number: CN219456287U
Application number: CN202320287419.4U
Authority: CN
Inventors: 杨立志; 刘聪; 黎家荣
Original assignee: PEOPLE ELECTRICAL APPLIANCE GROUP INSTRUMENT CO LTD
Current assignee: PEOPLE ELECTRICAL APPLIANCE GROUP INSTRUMENT CO LTD
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-08-01
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a three-phase guide rail type electric energy meter, which comprises a shell, and a power panel and a display panel which are arranged in the shell in an up-down opposite way, wherein the display panel and the power panel are electrically connected through a connector assembly and keep the relative positions of the display panel and the power panel fixed, the connector assembly comprises a plurality of groups of contact pin joints and a plurality of groups of socket structures which are respectively and correspondingly arranged on the display panel and the power panel, the display panel and the power panel are hard-connected in the electric energy meter through the connector assembly, when the electric energy meter is installed, the display panel and the power panel are only required to be connected in an up-down opposite way through the contact pin joints and the socket structures, the connector assembly has an electric connection effect on the display panel and the power panel, and meanwhile, the connector assembly has a supporting and fixing effect between the display panel and the power panel, so that the installation structure is simplified, the whole installation process is convenient and quick, and the production efficiency and qualification rate of products are improved.

Description

Three-phase guide rail type electric energy meter

Technical Field

The utility model relates to the technical field of electric energy meters, in particular to a three-phase guide rail type electric energy meter.

Background

The three-phase guide rail type electric energy meter is a new generation miniature intelligent electric energy meter, has the advantages of high measurement accuracy, strong overload capacity, stable and reliable performance, wide working voltage range, low self power consumption and the like, is installed through the guide rail, and can be widely applied to buildings, markets, exhibition centers, schools, airports, factories and the like by clamping the electric energy meter on the guide rail when in use.

According to the special large-scale integrated circuit of three-phase electric energy meter and SMT production technology, have functions such as electric energy measurement, data processing, current three-phase guide rail electric energy meter has included electric energy measurement board, display panel and power strip, adopts soft connection respectively between measurement board, display panel and the power strip, uses the screw to fix measurement board and display panel respectively on drain pan and table lid during the installation, after the display panel is installed fixedly on the watchcase, need draw forth many wires and be connected to the power strip and realize circuit intercommunication. But use in order to make the three-phase electric energy meter of mounting means, its installation and debugging are complicated, and production efficiency is low, and assembly production and customer use all need control the dynamics of fastening screw, and too big easily leads to the table lid to break, and undersize easily causes to drop, and it is comparatively loaded down with trivial details convenient to install, influences product production efficiency and qualification rate.

Disclosure of Invention

Therefore, the utility model aims to solve the problems that in the prior art, a display panel and a power panel are connected in a three-phase electric energy meter in a soft connection mode, and a display panel is fastened by screws, so that a display cover is easy to crack, the installation is complicated and convenient, and the production efficiency and the qualification rate of products are affected.

In order to solve the technical problems, the utility model provides a three-phase guide rail type electric energy meter, which comprises a shell, a power panel and a display panel, wherein the power panel is fixed in the shell, the display panel is arranged in the shell and is vertically opposite to the power panel, the display panel is provided with a display circuit and a metering circuit, the display panel and the power panel are electrically connected through a connector assembly, the relative positions of the display panel and the power panel are kept fixedly connected, the connector assembly comprises a plurality of groups of pin connectors arranged on one of the display panel and the power panel, and a plurality of groups of socket structures which are arranged on the other of the display panel and the power panel and are connected with the pin connectors in a matched mode.

Preferably, a locking structure is provided between the pin connector and the socket structure to maintain the pin connector and the socket structure in a secure connection.

As a preferred mode, the locking structure comprises a plurality of barb buckles arranged on the plug of the pin connector and a plurality of clamping groove structures correspondingly arranged on the sheath of the socket structure, and the barb buckles and the clamping groove structures form clamping fit when the pin connector and the socket structure are oppositely inserted.

As an optimal mode, four groups of pin connectors are arranged at the four corner positions of the display panel, four groups of socket structures are correspondingly arranged on the power panel, and the pin connectors are vertically or transversely arranged on the display panel.

As a preferred form, the pin header has a single row pin or a double row pin.

As a preferred mode, the display device further comprises a meter cover arranged on the shell, a transparent window opposite to the display panel is arranged on the meter cover, and a liquid crystal screen positioned below the transparent window is further arranged on the display panel.

As a preferred mode, the power panel is fixed in the housing by a screw structure, and the power panel includes a power input circuit connected with the A, B, C three-phase wire inlet, a rectifying circuit connected with the power input circuit, and a voltage stabilizing circuit for providing a stabilized voltage.

As a preferable mode, the power panel is provided with a plurality of spring pressing auxiliary terminals in an arrayed manner, and the housing is provided with a plurality of bosses which separate the plurality of spring pressing auxiliary terminals in sequence.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. in the three-phase guide rail type electric energy meter provided by the utility model, the display panel and the power panel are hard-connected in the electric energy meter through the connector assembly, so that the display panel and the power panel are kept in an upper-lower relative position and fixed in the shell, the arrangement of the metering panel is omitted according to the fact that the display circuit and the metering circuit are integrated on the display panel, the structural layout of a product is reasonably optimized, the connector assembly consists of a plurality of groups of contact pin connectors and socket structures which are respectively arranged on the display panel and the power panel, when the three-phase guide rail type electric energy meter is installed, the display panel and the power panel are only required to be connected in an up-down inserting way through the contact pin connectors and the socket structures, the connector assembly has an electric connection effect on the display panel and the power panel, meanwhile, the support and the fixation effect can be achieved between the display panel and the power panel, the risk of breakage of the meter cover caused by fixing the display panel in a screw mode is avoided, the whole installation process is convenient and rapid, and the production efficiency and the qualification rate of the product are improved.

2. In the three-phase guide rail type electric energy meter provided by the utility model, when the display panel and the power panel are connected in a plugging manner through the pin connector and the socket structure, the pin connector and the socket structure form clamping fit through the barb buckle and the clamping groove structure, so that the stability of the matched connection between the pin connector and the socket can be enhanced by design, the loose separation phenomenon between the pin connector and the socket structure is prevented, the strength of the mounting structure is improved, the stability and the reliability of the mounting between the display panel and the power panel are ensured, the traditional soft connection manner is replaced by adopting the pin connector manner, the mounting connection is convenient and quick, and good mechanical property and electrical property can be achieved after the display panel and the power panel are fixedly connected, and the service performance of a product is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the internal structure of a three-phase guideway-type electric energy meter according to the present utility model;

fig. 2 is a schematic structural diagram of the three-phase guide rail type electric energy meter after hiding a display panel;

FIG. 3 is a front view of the three-phase guideway electrical energy meter shown in FIG. 1;

FIG. 4 is a schematic view of the pin header and receptacle structure of the present utility model;

reference numerals illustrate: 1. a housing; 11. a boss; 2. a power panel; 3. a display panel; 4. a connector assembly; 41. a pin connector; 42. a socket structure; 5. barb buckles; 6. a clamping groove structure; 7. a liquid crystal panel; 8. a screw structure; 9. spring-pressed auxiliary terminals.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The present embodiment is specifically described below with reference to the accompanying drawings:

the present embodiment provides a three-phase guide rail type electric energy meter as shown in fig. 1 to 4, including a housing 1, a power board 2 fixed in the housing 1, and a display board 3 disposed in the housing 1 and opposite to the power board 2 up and down, wherein the display board 3 is provided with a display circuit and a metering circuit, the display board 3 and the power board 2 are electrically connected and kept in fixed connection with each other in relative positions through a connector assembly 4, and the connector assembly 4 includes a plurality of groups of pin connectors 41 disposed on one of the display board 3 and the power board 2, and a plurality of groups of socket structures 42 disposed on the other of the display board 3 and the power board 2 and cooperatively connected with the pin connectors 41.

The above embodiment is a core technical scheme of the present embodiment, according to the display panel 3 and the power panel 2 are hard-connected in the electric energy meter through the connector assembly 4, so that the display panel 3 and the power panel are kept fixed in an upper-lower relative position in the housing 1, and according to the fact that the display circuit and the metering circuit are integrated on the display panel 3, the setting of the metering panel is omitted, the product structure layout is reasonably optimized, the connector assembly 4 is composed of a plurality of groups of pin connectors 41 and socket structures 42 which are respectively arranged on the display panel 3 and the power panel 2, when the connector assembly is installed, only the display panel 3 and the power panel 2 are connected in an up-down opposite inserting manner through the pin connectors 41 and the socket structures 42, the connector assembly is used for electrically connecting the display panel and the power panel, and simultaneously supporting and fixing the display panel, the risk of breaking of the surface cover due to the fact that the display panel is fixed in a screw mode is avoided, the installation structure is simplified, and the whole installation process is convenient and fast, and the production efficiency and qualification rate of the product are improved.

In order to ensure the stability of the connection between the display panel 3 and the power panel 2 through the connector assembly, a locking structure for keeping the connection between the pin connector 41 and the socket structure 42 is provided between the pin connector 41 and the socket structure 42, the pin connector 41 is composed of a pin and a socket connector, and the socket structure 42 is also composed of a pin and a socket sleeve, as a specific structure, as shown in fig. 4, the locking structure comprises a plurality of barb buckles 5 arranged on the socket connector of the pin connector 41, and a plurality of clamping groove structures 6 correspondingly arranged on the socket sleeve of the socket structure 42, and the barb buckles 5 and the clamping groove structures 6 form clamping fit when the pin connector 41 and the socket structure 42 are plugged. According to the above structure, when the display panel 3 and the power panel 2 are connected by the pin connector 41 and the socket structure 42, the pin connector 41 and the socket structure 42 form a clamping fit by the barb buckle 5 and the clamping groove structure 6, so that the stability of the matched connection between the pin connector 41 and the socket can be enhanced, the pin connector 41 and the socket structure 42 are prevented from being separated, the strength of the mounting structure is improved, the stability and the reliability of the mounting between the display panel and the power panel are ensured, the traditional soft connection mode is replaced by the pin connector mode, the mounting connection is convenient and quick, and good mechanical performance and electrical performance can be achieved after the display panel and the power panel are fixedly connected, and the service performance of a product is improved.

Referring to fig. 1-3, four groups of pin connectors 41 are provided at four angular positions of the display panel 3, four groups of socket structures 42 are correspondingly provided on the power panel 2, the pin connectors 41 are vertically arranged or horizontally arranged on the display panel 3, wherein the pin connectors 41 have single-row pins or double-row pins which can be selected, the structure is provided, and the four groups of pin connectors 41 are exactly arranged at four angular positions of the display panel 3 according to the rectangular shape of the display panel, so that the stability of mounting stress is good, and the stability and flatness of mounting connection between the display panel and the power panel are ensured.

The three-phase guide rail type electric energy meter provided in this embodiment further includes a meter cover (not shown in the drawing) mounted on the housing 1, the meter cover is provided with a transparent window opposite to the display panel 3, the display panel 3 is further provided with a liquid crystal screen 7 located below the transparent window, the liquid crystal screen 7 has a backlight function, and a user can observe relevant information in the liquid crystal screen 7 through the transparent window.

As a preferred embodiment, the power panel 2 is fixed in the casing 1 through the screw structure 8, the power panel 2 includes the power input circuit that is connected with A, B, C three-phase inlet respectively, and the rectifier circuit that is connected with the power input circuit, and be used for providing stable voltage's voltage stabilizing circuit, in addition, still can be provided with other detection circuits etc. on the power panel 2, in order to realize the wiring connection of power panel 2 and external circuit, be provided with a plurality of spring push type auxiliary terminal 9 on the power panel 2, be provided with a plurality of boss 11 that separate a plurality of spring push type auxiliary terminal 9 in proper order on the casing 1, utilize a plurality of boss 11 can increase the safe electric distance between a plurality of spring push type auxiliary terminal, this kind of structure sets up, adopts spring push type auxiliary terminal to be need not with the help of instrument in the wiring in-process, make the wire one step peg graft in place can, greatly reduce the time of wiring work, utilize spring clamping technique have the characteristics that connect reliably, do not drop, just so avoid adopting traditional binding screw's mode, installation convenient connection again improves installation efficiency.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The utility model provides a three-phase guide tracked electric energy meter, includes casing (1) and fixes power strip (2) in casing (1), and in casing (1) with display panel (3) that relative set up about power strip (2), display panel (3) are equipped with display circuit and measurement circuit, its characterized in that: the display panel (3) and the power panel (2) are electrically connected and fixedly connected with each other in relative position through a connector assembly (4), the connector assembly (4) comprises a plurality of groups of contact pin joints (41) arranged on one of the display panel (3) and the power panel (2), and a plurality of groups of socket structures (42) arranged on the other of the display panel (3) and the power panel (2) and cooperatively connected with the contact pin joints (41).

2. The three-phase guideway electrical energy meter of claim 1, wherein: a locking structure for keeping the pin connector (41) and the socket structure (42) firmly connected is arranged between the pin connector and the socket structure.

3. The three-phase guideway electrical energy meter of claim 2, wherein: the locking structure comprises a plurality of barb buckles (5) arranged on the plug connector of the pin connector (41) and a plurality of clamping groove structures (6) correspondingly arranged on the socket sleeve of the socket structure (42), and the barb buckles (5) and the clamping groove structures (6) form clamping fit when the pin connector (41) and the socket structure (42) are plugged.

4. A three-phase guideway electrical energy meter according to claim 3, characterized in that: four groups of contact pin connectors (41) are arranged at the four corner positions of the display panel (3), four groups of socket structures (42) are correspondingly arranged on the power panel (2), and the contact pin connectors (41) are vertically or transversely arranged on the display panel.

5. The three-phase guideway electrical energy meter of claim 4, wherein: the pin header (41) has a single row pin or a double row pin.

6. The three-phase guideway electrical energy meter of claim 5, wherein: the display device is characterized by further comprising a meter cover arranged on the shell (1), wherein a transparent window opposite to the display panel (3) is arranged on the meter cover, and a liquid crystal screen (7) positioned below the transparent window is further arranged on the display panel (3).

7. The three-phase guideway electrical energy meter according to any one of claims 1-6, characterized in that: the power panel (2) is fixed in the shell (1) through a screw structure (8), and the power panel (2) comprises a power input circuit connected with a A, B, C three-phase wire inlet respectively, a rectifying circuit connected with the power input circuit and a voltage stabilizing circuit for providing stable voltage.

8. The three-phase guideway electrical energy meter of claim 7, wherein: a plurality of spring pressing type auxiliary terminals (9) are arranged on the power panel (2), and a plurality of bosses (11) for sequentially separating the plurality of spring pressing type auxiliary terminals are arranged on the shell (1).