CN220419426U - Copper bar mounting structure of electric energy meter and electric energy meter - Google Patents
Copper bar mounting structure of electric energy meter and electric energy meter Download PDFInfo
- Publication number
- CN220419426U CN220419426U CN202321704925.5U CN202321704925U CN220419426U CN 220419426 U CN220419426 U CN 220419426U CN 202321704925 U CN202321704925 U CN 202321704925U CN 220419426 U CN220419426 U CN 220419426U
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- copper bar
- hole
- shell
- electric energy
- energy meter
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 104
- 239000010949 copper Substances 0.000 title claims abstract description 104
- 238000009434 installation Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model discloses a copper bar mounting structure of an electric energy meter, which comprises a shell, a shell and a copper bar mounting structure, wherein the shell is provided with a containing cavity and a through hole communicated with the containing cavity; the copper bar is used for being connected with the circuit board and the external lead in the shell and is positioned in the accommodating cavity; the bottom wall of the inner cavity of the accommodating cavity extends upwards to form a positioning part, and the positioning part is aligned with the through hole; the copper bar is placed on the positioning part, the end part of the copper bar stretches into the through hole, and the end part abuts against the upper hole wall of the through hole. The end part of the copper bar is limited between the positioning part and the hole wall of the through hole, the end part of the copper bar is limited up and down, and when the copper bar needs to be tested and other operations, the up and down positions of the copper bar are not easy to change; meanwhile, the through hole has two functions, and is used for the external lead to extend into on one hand and limiting the copper bar on the other hand, and the structure is simple and reasonable. The utility model also discloses an electric energy meter which also has the advantage of limiting the end part of the copper bar.
Description
Technical Field
The utility model relates to the technical field of electric energy meters, in particular to a copper bar installation structure of an electric energy meter and the electric energy meter.
Background
The electric energy meter is a meter for measuring electric energy, also called an electric meter, a fire meter and a kilowatt hour meter, and refers to a meter for measuring various electric quantities.
The electric energy meter generally comprises a shell, a wiring terminal and a copper bar; the shell is provided with a containing cavity and a through hole communicated with the containing cavity, and comprises two half shells which are mutually matched; the copper bar is arranged between the wiring terminal and the circuit board in the shell, and the copper bar is used for overcurrent and overvoltage.
However, the end of the copper bar is generally not limited up and down, so that the up and down positions of the copper bar may change, for example, when a test operation such as calibrating a meter is required to be performed on the electric energy meter, the copper bar is not limited but is easy to break away, and the test cannot be performed.
Disclosure of Invention
The first technical problem to be solved by the utility model is to provide a copper bar mounting structure of an electric energy meter, which can limit a copper bar in the up-down direction, aiming at the current state of the art.
The second technical problem to be solved by the utility model is to provide an electric energy meter.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: a copper bar installation structure of an electric energy meter comprises
The shell is provided with a containing cavity and a through hole communicated with the containing cavity;
the copper bar is used for being connected with the circuit board and the external lead in the shell and is positioned in the accommodating cavity;
the method is characterized in that:
the bottom wall of the inner cavity of the accommodating cavity extends upwards to form a positioning part, and the positioning part is aligned with the through hole;
the copper bar is placed on the positioning part, the end part of the copper bar stretches into the through hole, and the end part abuts against the upper hole wall of the through hole.
In order to reduce the width of the electric energy meter, the through holes are at least two, wherein part of the through holes are arranged on the front side wall of the shell, and the other part of the through holes are arranged on the rear side wall of the shell;
and two ends of the copper bar extend into the corresponding through holes respectively.
Thus, the through holes of the front side wall and the through holes of the rear side wall are respectively used for incoming lines and outgoing lines, so that the width of the electric energy meter can be made smaller, the miniaturization of the electric energy meter is facilitated, otherwise, when the through holes for incoming lines and outgoing lines are all located on the same side, the width of the electric energy meter needs to be larger, and the miniaturization of the electric energy meter is not facilitated.
The copper bars may have various shapes, and preferably, the copper bars extend in the front-rear direction for the convenience of manufacturing.
The structure of the wiring terminal is that the housing is internally provided with the wiring terminal which is respectively connected with an external lead and a copper bar;
the connecting terminal comprises
The annular frame is provided with a front-back penetrating installation cavity and a threaded hole which is communicated with the installation cavity and penetrates through the upper wall of the annular frame;
the upper end of the screw is exposed out of the shell, and the lower end of the screw is in threaded connection with the hole wall of the threaded hole;
the annular frame is located between the through hole and the positioning part, the copper bar is inserted into the annular frame, and a space is arranged between the lower surface of the end part of the copper bar and the bottom wall of the inner cavity corresponding to the installation cavity of the annular frame, and the space is used for accommodating an external lead.
Thus, the screw is rotated to drive the annular frame to move up and down.
In order to enable the copper bar to be connected with the shell, a clamping hook for limiting the copper bar is arranged in the accommodating cavity of the shell, and the clamping hook is at least two and is respectively clamped with the left side and the right side of the copper bar. Therefore, the copper bar is connected with the shell through the clamping hook.
To facilitate the installation of the parts in the housing, the housing further comprises
An upper half shell;
a lower half shell which is matched with the upper half shell;
the through hole, the copper bar and the positioning part are arranged on the lower half shell.
Thus, the upper half shell and the lower half shell are arranged to facilitate the installation of parts in the shell; in addition, when the copper bar is installed to the lower half shell, the copper bar can be tested, and the upper half shell can not be installed at the moment, so that the operation is more convenient.
In order to further limit the copper bar, an extension part which extends downwards and is aligned with the positioning part up and down is arranged in the upper half shell;
and in a state that the upper half shell is connected with the lower half shell, the copper bar is positioned between the extension part and the positioning part. Thus, the extension part is arranged to further limit the copper bar.
The shape of the copper bar is that the middle part of the copper bar is sunken downwards to form a groove.
The utility model adopts the technical proposal for solving the second technical problem that: an electric energy meter, characterized in that: the wiring terminal mounting structure comprises the wiring terminal mounting structure of the electric energy meter.
The utility model adopts the technical proposal for solving the second technical problem that: an electric energy meter, characterized in that: the wiring terminal mounting structure comprises the wiring terminal mounting structure of the electric energy meter, and further comprises a circuit board, wherein the circuit board is at least partially aligned with the groove in the up-down direction.
Compared with the prior art, the utility model has the advantages that: the bottom wall of the inner cavity of the accommodating cavity extends upwards to form a positioning part, and the positioning part is aligned with the through hole; the copper bar is placed on the positioning part, the end part of the copper bar extends into the through hole and is propped against the upper hole wall of the through hole, so that the end part of the copper bar is limited between the positioning part and the hole wall of the through hole, and the end part of the copper bar is limited up and down; meanwhile, the through hole has two functions, on one hand, the through hole is used for extending an external lead, and on the other hand, the copper bar is limited, so that the structure is simple and reasonable, and the electric energy meter can be conveniently subjected to test operations such as meter calibration and the like;
in the scheme of improvement, the casing includes first half casing and second half casing, through-hole, copper bar and location portion set up on second half casing, like this when first half casing and second half casing do not align, the tip of copper bar is because by spacing from top to bottom, the position of copper bar is difficult to change, just can test operation such as copper bar this moment, convenient operation, and generally need to be with first half casing and second half casing to the back of spacing about carrying out the copper bar in order to test operation such as copper bar in the prior art, if the test does not pass, still need to tear down first half casing again, therefore first half casing and first half casing are to the process of dismouting, the operation is relatively inconvenient.
Drawings
FIG. 1 is a schematic perspective view of an electric energy meter according to an embodiment of the present utility model;
FIG. 2 is a schematic view of FIG. 1 at another angle;
FIG. 3 is an exploded view of an embodiment of the present utility model;
FIG. 4 is a partial cross-sectional view of an embodiment of the present utility model;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
FIG. 6 is an exploded view of FIG. 4;
fig. 7 is an exploded view of the lower housing half and the terminal block.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Referring to fig. 1-7, a preferred embodiment of the present utility model is shown. The copper bar mounting structure of the electric energy meter comprises a shell 1 and a copper bar 21, wherein a wiring terminal 2 which is respectively connected with an external lead and the copper bar 21 is arranged in the shell 1.
Wherein the shell 1 is provided with a containing cavity 11 and a through hole 12 communicated with the containing cavity 11; the through hole 12 has at least two, a part of which is provided at the front side wall 1c of the housing 1 and a part of which is provided at the rear side wall 1d of the housing 1; in this embodiment, the front side wall 1c has 4 through holes, and the rear side wall 1d also has 4 through holes. The housing 1 includes an upper half housing 1a, a lower half housing 1b mated with the upper half housing 1a, and a through hole 12 provided in the lower half housing 1 b.
The copper bar 21 is used for connecting with the circuit board 100 and the external wires in the shell 1, and the copper bar 21 is positioned in the accommodating cavity 11. The bottom wall of the inner cavity of the accommodating cavity 11 extends upwards to form a positioning part 13, specifically, the positioning part 13 is positioned on the lower half shell 1b, and the positioning part 13 is aligned with the through hole 12; the copper bar 21 rests on this positioning portion 13, the end of the copper bar 21 protruding into the through hole 12 and this end abutting against the upper wall of the through hole 12. The copper bars 21 extend in the front-rear direction, and both ends of each copper bar 21 extend into the corresponding through holes 12, respectively. The middle part of the copper bar 21 is recessed downwards to form a groove 211, and an extension part 14 which extends downwards and is aligned with the positioning part 13 up and down is arranged in the upper half shell 1 a; in a state where the upper half case 1a and the lower half case 1b are connected, the copper bar 21 is located between the extension portion 14 and the positioning portion 13. The holding cavity 11 of the shell 1 is internally provided with the clamping hooks 15 for limiting the copper bars 21, the clamping hooks 15 are specifically positioned on the lower half shell 1b, the number of the clamping hooks 15 is at least two and are respectively clamped with the left side and the right side of the copper bars 21, for example, two clamping hooks 15 are arranged, and the number of the clamping hooks 15 can be adjusted according to requirements. The wiring terminal 2 comprises an annular frame 22 and screws 23, wherein the annular frame 22 is provided with a mounting cavity 221 penetrating through the front and rear parts, and a threaded hole 222 communicated with the mounting cavity 221 and penetrating through the upper wall of the annular frame 22; the upper end of the screw 23 is exposed out of the shell 1, while the lower end is in threaded connection with the hole wall of the threaded hole 222; the annular frame 22 is located between the through hole 12 and the positioning portion 13, the copper bar 21 is inserted into the annular frame 22, and a space is provided between the lower surface of the end portion of the copper bar 21 and the bottom wall of the inner cavity corresponding to the installation cavity 221 of the annular frame 22, the space being for accommodating an external lead.
The utility model also provides an electric energy meter, which comprises the copper bar mounting structure of the electric energy meter, and further comprises a circuit board 100, wherein part of the circuit board 100 is aligned with the groove 211 in the up-down direction, so that the space is saved in the up-down direction.
The use method of the electric energy meter is as follows.
During installation, the front end part of the copper bar 21 is placed on the corresponding positioning part 13 and inserted into the through hole 12 of the front side wall 1c of the shell 1, the rear end part of the copper bar 21 is placed on the corresponding positioning part 12 and inserted into the through hole 12 of the rear side wall 1d of the shell 1, and the middle part of the copper bar 21 is fixed with the shell 1 through the clamping hooks 15, so that the copper bar 21 is connected with the lower half shell 1b, the copper bar 21 is not easy to move, and at the moment, the copper bar 21 can be tested without limiting the copper bar 21 by the upper half shell 1 a.
When in wiring, the external lead is inserted into the annular frame 22 and is placed below the copper bar 21, then the screw 23 is screwed, and the screw 23 drives the annular frame 22 to move upwards because of being connected with the annular frame 22, so that the external lead is clamped between the annular frame 22 and the copper bar 21.
The external wires in the through holes 12 of the front side wall 1c are used for incoming wires, the external wires in the through holes 12 of the rear side wall 1d are used for outgoing wires, so that the through holes 12 are distributed on two sides of the shell 1, the width of the shell 1 can be reduced, and the miniaturization of the electric energy meter is facilitated.
Claims (10)
1. A copper bar installation structure of an electric energy meter comprises
A housing (1) having a housing chamber (11) and a through hole (12) communicating with the housing chamber (11);
the copper bar (21) is used for being connected with the circuit board (100) and the external lead in the shell (1), and the copper bar (21) is positioned in the accommodating cavity (11);
the method is characterized in that:
the bottom wall of the inner cavity of the accommodating cavity (11) extends upwards to form a positioning part (13), and the positioning part (13) is aligned with the through hole (12);
the copper bar (21) is placed on the positioning part (13), and the end part of the copper bar (21) stretches into the through hole (12) and abuts against the upper hole wall of the through hole (12).
2. The copper bar mounting structure according to claim 1, wherein: the through holes (12) are provided with at least two, wherein part of the through holes are arranged on the front side wall (1 c) of the shell (1), and the other part of the through holes are arranged on the rear side wall (1 d) of the shell (1);
both ends of the copper bar (21) respectively extend into the corresponding through holes (12).
3. The copper bar mounting structure according to claim 1, wherein: the copper bars (21) extend in the front-rear direction.
4. The copper bar mounting structure according to claim 1, wherein: a wiring terminal (2) which is respectively connected with an external lead and a copper bar (21) is arranged in the shell (1);
the connection terminal (2) comprises
An annular frame (22) having a mounting chamber (221) penetrating from front to back, and a screw hole (222) communicating with the mounting chamber (221) and penetrating the upper wall of the annular frame (22);
the upper end of the screw (23) is exposed out of the shell (1), and the lower end of the screw is in threaded connection with the hole wall of the threaded hole (222);
the annular frame (22) is located between the through hole (12) and the positioning part (13), the copper bar (21) is inserted into the annular frame (22), and a space is reserved between the lower surface of the end part of the copper bar (21) and the bottom wall of the inner cavity corresponding to the installation cavity (221) of the annular frame (22), and the space is used for accommodating an external lead.
5. The copper bar mounting structure according to claim 1, wherein: the copper bar (21) is limited by the aid of the clamping hooks (15) which are arranged in the accommodating cavity (11) of the shell (1), and the clamping hooks (15) are at least two and are respectively clamped with the left side and the right side of the copper bar (21).
6. The copper bar mounting structure according to claim 1, wherein: the housing (1) further comprises
An upper half shell (1 a);
a lower half shell (1 b) which is matched with the upper half shell (1 a);
the through hole (12), the copper bar (21) and the positioning part (13) are arranged on the lower half shell (1 b).
7. The copper bar mounting structure according to claim 6, wherein: an extension part (14) which extends downwards and is aligned with the positioning part (13) up and down is arranged in the upper half shell (1 a);
the copper bar (21) is positioned between the extension part (14) and the positioning part (13) in a state that the upper half shell (1 a) and the lower half shell (1 b) are connected.
8. The copper bar mounting structure according to claim 1, wherein: the middle part of the copper bar (21) is sunken downwards to form a groove (211).
9. An electric energy meter, characterized in that: copper bar mounting structure comprising an electric energy meter according to any one of claims 1 to 8.
10. An electric energy meter, characterized in that: the copper bar mounting structure including the electric energy meter according to claim 9, further comprising a wiring board (100), the wiring board (100) being at least partially aligned with the recess (211) in the up-down direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704925.5U CN220419426U (en) | 2023-06-30 | 2023-06-30 | Copper bar mounting structure of electric energy meter and electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704925.5U CN220419426U (en) | 2023-06-30 | 2023-06-30 | Copper bar mounting structure of electric energy meter and electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419426U true CN220419426U (en) | 2024-01-30 |
Family
ID=89641962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321704925.5U Active CN220419426U (en) | 2023-06-30 | 2023-06-30 | Copper bar mounting structure of electric energy meter and electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419426U (en) |
-
2023
- 2023-06-30 CN CN202321704925.5U patent/CN220419426U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |