CN210720517U - Ammeter button structure and electric energy meter - Google Patents
Ammeter button structure and electric energy meter Download PDFInfo
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- CN210720517U CN210720517U CN201921164844.4U CN201921164844U CN210720517U CN 210720517 U CN210720517 U CN 210720517U CN 201921164844 U CN201921164844 U CN 201921164844U CN 210720517 U CN210720517 U CN 210720517U
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Abstract
An ammeter button structure and an electric energy meter relate to the technical field of electric power equipment. The ammeter button structure comprises a clamping seat, a first button and a first connecting rod, wherein the first button is connected with the clamping seat through the first connecting rod, and the first button and the first connecting rod are integrally formed. The utility model discloses in, the ammeter is applied to ammeter button structure, and the cassette is installed on the circuit board of ammeter. The first button and the first connecting rod are integrally formed, the first connecting rod is fixedly connected with the clamping seat, the position of the first button relative to the clamping seat is relatively fixed, and the mounting position of the clamping seat on the circuit board is relatively fixed with the position between the first contact parts arranged on the circuit board. When the electric energy meter is in the installation process, after the card seat is installed at the installation position on the circuit board, the first button corresponds to the first contact part, the relative position of the first button relative to the first contact part does not need to be adjusted, the structure is simple, the operation is convenient, and the assembly difficulty of the electric energy meter is reduced.
Description
Technical Field
The utility model relates to a power equipment technical field particularly, relates to an ammeter button structure and electric energy meter.
Background
The electric energy meter is widely applied to the power technology, the button structure arranged on the electric energy meter is mainly used for triggering the function keys on the circuit board, the button structure in the prior art is an independent component, the button structure is required to be assembled one by one in the assembling process, and the installation difficulty is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ammeter button structure and electric energy meter, it can reduce the assembly degree of difficulty.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the present invention provides an electricity meter button structure, including: the button comprises a clamping seat, a first button and a first connecting rod, wherein the first button is connected with the clamping seat through the first connecting rod, and the first button and the first connecting rod are integrally formed.
In an alternative embodiment, the first link is made of an elastic material.
In an alternative embodiment, the first button, the first link, and the socket are integrally formed.
In an optional embodiment, a first clamping portion is disposed on the first connecting rod, a first clamping groove is disposed on the clamping seat, and the first clamping portion is clamped into the first clamping groove, so that the first connecting rod is clamped with the clamping seat.
In an optional implementation manner, the electric meter button structure further includes a liquid crystal bracket and a second connecting rod, the first button is disposed between the liquid crystal bracket and the card socket, and the second connecting rod is connected to the liquid crystal bracket and the first button.
In an alternative embodiment, the second link, the liquid crystal holder, and the first button are integrally formed.
In an optional embodiment, the number of the first connecting rods is multiple, one end of each of the multiple first connecting rods is connected to different positions of the clamping seat, and the other end of each of the multiple first connecting rods is connected with the first button;
the second connecting rods are multiple, one ends of the second connecting rods are connected to different positions of the liquid crystal support, and the other ends of the second connecting rods are connected with the first button.
In an optional embodiment, the second connecting rod and the first button are integrally formed, the second connecting rod is provided with a second clamping portion, the liquid crystal support is provided with a second clamping groove, and the second clamping portion is clamped into the second clamping groove so that the second connecting rod is clamped with the liquid crystal support.
In an alternative embodiment, the first link is connected to one end of the first button, and the second link is connected to the other end of the first button.
In an optional implementation manner, the electric meter button structure further includes a liquid crystal support, a second button and a third connecting rod, the second button is connected to the liquid crystal support through the third connecting rod, and the second button, the third connecting rod and the liquid crystal support are integrally formed.
In an optional embodiment, the number of the first connecting rods is multiple, one end of each of the multiple first connecting rods is connected to different positions of the clamping seat, and the other end of each of the multiple first connecting rods is connected with the first button;
the number of the third connecting rods is multiple, one end of each third connecting rod is connected to different positions of the liquid crystal support, and the other end of each third connecting rod is connected with the second button.
In a second aspect, an embodiment of the present invention provides an electric energy meter, including a circuit board and the electric meter button structure as in any one of the foregoing embodiments, the card socket is installed on the circuit board, a first contact portion corresponding to the first button is provided on the circuit board, and the first button selectively contacts with the first contact portion.
The embodiment of the utility model provides a beneficial effect is: the ammeter button structure comprises a clamping seat, a first button and a first connecting rod, wherein the first button is connected with the clamping seat through the first connecting rod, and the first button and the first connecting rod are integrally formed. The utility model discloses in, the ammeter is applied to ammeter button structure, and the cassette is installed on the circuit board of ammeter. The first button and the first connecting rod are integrally formed, the first connecting rod is fixedly connected with the clamping seat, the position of the first button relative to the clamping seat is relatively fixed, and the mounting position of the clamping seat on the circuit board is relatively fixed with the position between the first contact parts arranged on the circuit board. When the electric energy meter is in the installation process, after the card seat is installed at the installation position on the circuit board, the first button corresponds to the first contact part, the relative position of the first button relative to the first contact part does not need to be adjusted, the structure is simple, the operation is convenient, and the assembly difficulty of the electric energy meter is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of an electric meter button structure applied to an electric energy meter according to a first embodiment of the present invention;
fig. 2 is a partial enlarged view of a first view angle of an electricity meter button structure at II in fig. 1 according to an embodiment of the present invention;
fig. 3 is a partial enlarged view of a second view angle of the electric meter button structure shown in fig. 1 at II according to an embodiment of the present invention;
fig. 4 is a partial schematic view of a first view angle of an electricity meter button structure according to a second embodiment of the present invention;
fig. 5 is a partial schematic view of a second view angle of an electricity meter button structure according to another embodiment of the present invention;
fig. 6 is a partial schematic view of a first view angle of an electricity meter button structure according to a third embodiment of the present invention;
fig. 7 is a partial schematic view of a first view angle of an electric meter button structure according to a fourth embodiment of the present invention;
fig. 8 is a partial schematic view of a first view angle of an electric meter button structure according to a fifth embodiment of the present invention.
10-electric energy meter; 100-electric meter button configuration; 110-a card seat; 120-a first button; 130-a first link; 200-electric meter button structure; 210-a second link; 220-liquid crystal support; 300-electric meter button configuration; 400-electric meter button configuration; 410-a first catch; 420-a first card slot; 430-a second catch; 440-a second card slot; 500-electric meter button configuration; 510-a second button; 520-a third link; 530-liquid crystal support; 600-a circuit board; 610-first contact.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1, the present embodiment provides an electricity meter button structure 100, and the electricity meter button structure 100 provided in the present embodiment can reduce the assembly difficulty.
The electric meter button structure 100 provided in this embodiment is mainly applied to the electric energy meter 10, the electric energy meter 10 includes a circuit board 600 and the electric meter button structure 100, the circuit board 600 is provided with a first contact portion 610 (please refer to fig. 3), and the electric meter button structure 100 is mounted on the circuit board 600. The button structure moves toward the direction close to the circuit board 600 under the action of external force, touches the first contact portion 610, triggers the first contact portion 610, and then performs subsequent work.
Referring to fig. 2, in the present embodiment, an electricity meter button structure 100 includes: the button assembly comprises a card holder 110, a first button 120 and a first connecting rod 130, wherein the first button 120 is connected with the card holder 110 through the first connecting rod 130, and the first button 120 and the first connecting rod 130 are integrally formed.
In the present embodiment, the first button 120 is disposed corresponding to the first contact portion 610, and the card socket 110 is mounted on the circuit board 600 and mainly used for inserting an IC card.
In this embodiment, the first button 120 and the first link 130 are integrally formed, the first link 130 is fixedly connected to the card socket 110, the position of the first button 120 relative to the card socket 110 is relatively fixed, and the position of the card socket 110 between the mounting position on the circuit board 600 and the first contact portion 610 is relatively fixed. When the electric energy meter 10 is installed, after the card socket 110 is installed at the installation position on the circuit board 600, the first button 120 corresponds to the first contact portion 610, and the relative position of the first button 120 with respect to the first contact portion 610 does not need to be adjusted.
In this embodiment, the first link 130 is made of an elastic material. The first link 130 is made of an elastic material, and when the first button 120 moves toward the circuit board 600 under an external force, it contacts the first contact portion 610 and triggers the first contact portion 610. After the external force is removed, the first button 120 moves away from the circuit board 600 by the restoring force of the first link 130, and is separated from the first contact portion 610, and resets itself.
In the present embodiment, the first link 130 is made of a nylon material.
It should be noted that, in this embodiment, the first connecting rod 130 is made of nylon material, but is not limited thereto, in other embodiments of the present invention, the first connecting rod 130 may also be made of other elastic materials such as silica gel and rubber, and with the solution equivalent to this embodiment, the effect of this embodiment can be achieved, which is all within the protection scope of the present invention.
In the present embodiment, the first button 120, the first link 130 and the socket 110 are integrally formed.
It should be noted that, in this embodiment, the first button 120, the first connecting rod 130 and the card seat 110 are integrally formed, but not limited thereto, in other embodiments of the present invention, the first button 120 and the first connecting rod 130 may be integrally formed, and the first connecting rod 130 is connected to the card seat 110 in a clamping manner, and with the solution equivalent to this embodiment, the effect of this embodiment can be achieved, which is all within the protection scope of the present invention.
In this embodiment, there may be two first buttons 120 and two first links 130, and one button is connected to the card socket 110 through one first link 130.
Referring to fig. 3, in the present embodiment, when there are two first buttons 120, the first link 130 of one of the first buttons 120 is connected to an end of the first button 120 away from the circuit board 600. The first link 130 corresponding to the other first button 120 is connected to an end of the first button 120 near the circuit board 600.
It is understood that, in other embodiments of the present invention, there may be two first buttons 120, there may be a plurality of first connecting rods 130, one first button 120 is connected to the card socket 110 through a plurality of first connecting rods 130, and the plurality of first connecting rods 130 enhance the connection strength between the first button 120 and the card socket 110, thereby improving the service life of the electric meter button structure 100.
The working principle of the electric meter button structure 100 provided by the embodiment is as follows: in the embodiment, the first button 120, the first link 130, and the socket 110 are integrally formed, and in the mounting process, after the socket 110 is mounted at a fixed position on the circuit board 600, the first button 120 is disposed corresponding to the first contact portion 610.
In summary, in the electric meter button structure 100 provided in this embodiment, the first button 120, the first link 130 and the card socket 110 are integrally formed, the position of the first button 120 relative to the card socket 110 is relatively fixed, and the position of the card socket 110 between the mounting position on the circuit board 600 and the first contact portion 610 is relatively fixed. When the electric energy meter 10 is installed, after the card socket 110 is installed at the installation position on the circuit board 600, the first button 120 corresponds to the first contact portion 610, and the relative position of the first button 120 with respect to the first contact portion 610 does not need to be adjusted.
Example two
Referring to fig. 4, the present embodiment provides an electricity meter button structure 200, and the electricity meter button structure 200 provided in the present embodiment can reduce the assembly difficulty.
The electric meter button structure 200 provided in this embodiment is substantially the same as the electric meter button structure 100 provided in the first embodiment in terms of the operating principle and the operating process, and for the sake of brief description, reference may be made to the first embodiment without reference in this embodiment.
The difference between the electric meter button structure 200 provided in this embodiment and the electric meter button structure 100 provided in the first embodiment is that in this embodiment, the electric meter button structure further includes a liquid crystal bracket 220 and a second connecting rod 210, the first button 120 is installed between the liquid crystal bracket 220 and the card socket 110, and the liquid crystal bracket 220 is connected to the first button 120 through the second connecting rod 210.
In the present embodiment, the second link 210, the liquid crystal holder 220 and the first button 120 are integrally formed. When the first button 120 moves towards the direction close to the circuit board 600 under the action of the external force, the first button 120 can move in the extending direction of the first button 120 under the combined action of the first connecting rod 130 and the second connecting rod 210, and the first contact part 610 can be accurately touched, so that the working effect of the first button 120 is improved.
That is, in the present embodiment, the first button 120 is integrally formed with the card socket 110 through the first link 130, and is integrally formed with the liquid crystal holder 220 through the second link 210.
In the present embodiment, the second link 210 is made of an elastic material. The second link 210 is made of an elastic material, and when the first button 120 moves toward the circuit board 600 under an external force, it contacts the first contact portion 610 and triggers the first contact portion 610. After the external force is removed, the first button 120 moves away from the circuit board 600 by the restoring force of the second link 210, and is separated from the first contact portion 610, and resets itself.
In the present embodiment, the second link 210 is made of a nylon material.
It should be noted that, in this embodiment, the second connecting rod 210 is made of a nylon material, but is not limited thereto, in other embodiments of the present invention, the second connecting rod 210 may also be made of other elastic materials such as silica gel and rubber, and with the solution equivalent to this embodiment, the effect of this embodiment can be achieved, which is all within the protection scope of the present invention.
In the present embodiment, the first link 130 and the second link 210 are connected to the same position of the first button 120.
Referring to fig. 5, it should be noted that, in another embodiment of the present invention, the first link 130 may be connected to an end of the first button 120 close to the circuit board 600, and the second link 210 may be connected to an end of the first button 120 away from the circuit board 600. That is, when the circuit board 600 is horizontally placed, the second link 210 is positioned above the first link 130.
EXAMPLE III
Referring to fig. 6, the present embodiment provides an electricity meter button structure 300, and the electricity meter button structure 300 of the present embodiment can reduce the assembly difficulty.
The electric meter button structure 300 provided in this embodiment is substantially the same as the electric meter button structure 200 provided in the second embodiment in terms of the operation principle and the operation process, and for the sake of brief description, reference may be made to the second embodiment without reference in this embodiment.
The difference between the electric meter button structure 300 provided in this embodiment and the electric meter button structure 200 provided in the second embodiment is that, in this embodiment, a plurality of first links 130 are provided, one end of each of the plurality of first links 130 is connected to a different position of the card socket 110, and the other end is connected to the first button 120;
the number of the second links 210 is plural, one end of the plural second links 210 is connected to different positions of the liquid crystal holder 220, and the other end is connected to the first button 120.
In this embodiment, one end of each of the plurality of first links 130 is connected to a different position of the card socket 110, and any two first links 130 in the plurality of first links 130 and the card socket 110 form a triangle, so that when the first button 120 works, the working stability of the first button 120 can be improved.
Similarly, one end of each of the second links 210 is connected to a different position of the liquid crystal bracket 220, and any two second links 210 in the second links 210 and the liquid crystal bracket 220 form a triangle, so that the working stability of the first button 120 can be improved in the working process of the first button 120.
Example four
Referring to fig. 7, the present embodiment provides an electricity meter button structure 400, and the electricity meter button structure 400 provided by the present embodiment can reduce the assembly difficulty.
The electric meter button structure 400 provided in this embodiment is substantially the same as the electric meter button structure 200 provided in the second embodiment and the electric meter button structure 300 provided in the third embodiment in terms of the operating principle and the operating process thereof.
The difference between the electric meter button structure 400 provided in this embodiment and the electric meter button structures 200 and 300 provided in the second and third embodiments is that, in this embodiment, the second connecting rod 210 and the first button 120 are integrally formed, the second connecting rod 210 is provided with the second clamping portion 430, the liquid crystal bracket 220 is provided with the second clamping groove 440, and the second clamping portion 430 is clamped into the second clamping groove 440, so that the second connecting rod 210 is clamped with the liquid crystal bracket 220.
The first connecting rod 130 is provided with a first clamping portion 410, the card socket 110 is provided with a first card slot 420, and the first clamping portion 410 is clamped into the first card slot 420, so that the first connecting rod 130 is clamped with the card socket 110.
That is, in the embodiment, the first button 120, the first link 130 and the second link 210 are integrally formed, the first link 130 is connected to the card socket 110 in a clamping manner, and the second link 210 is connected to the liquid crystal bracket 220 in a clamping manner.
In this embodiment, after the first button 120, the first connecting rod 130 and the second connecting rod 210 are integrally formed, the first connecting rod 130 is connected with the card seat 110 in a clamping manner, and then the second connecting rod 210 is connected with the liquid crystal bracket 220 in a clamping manner, so that the first button 120 can be conveniently mounted and dismounted.
EXAMPLE five
Referring to fig. 8, the present embodiment provides an electricity meter button structure 500, and the electricity meter button structure 500 provided in the present embodiment can reduce the assembly difficulty.
The electric meter button structure 500 provided in this embodiment is substantially the same as the electric meter button structure 100 provided in the first embodiment in terms of the operating principle and the operating process, and for the sake of brief description, reference may be made to the first embodiment without reference in this embodiment.
In this embodiment, the electric meter button structure 500 further includes a liquid crystal bracket 530, a second button 510 and a third link 520, the second button 510 is connected to the liquid crystal bracket 220 through the third link 520, and the second button 510, the third link 520 and the liquid crystal bracket 220 are integrally formed.
In the present embodiment, the third link 520 is made of an elastic material. The third link 520 is made of an elastic material, and when the second button 510 moves in a direction close to the circuit board 600 under an external force, it contacts the second contact portion and triggers the second contact portion. After the external force is removed, the second button 510 moves away from the circuit board 600 by the restoring force of the third link 520, and is separated from the second contact portion, thereby restoring itself.
In this embodiment, the third link 520 is made of a nylon material.
It should be noted that, in this embodiment, the third connecting rod 520 is made of a nylon material, but is not limited thereto, in other embodiments of the present invention, the third connecting rod 520 may also be made of other elastic materials such as silica gel and rubber, and with the solution equivalent to this embodiment, the effect of this embodiment can be achieved, which is all within the protection scope of the present invention.
In the present embodiment, the first link 130, the first button 120 and the socket 110 are integrally formed. The third link 520, the second button 510 and the liquid crystal holder 530 are integrally formed.
In this embodiment, the number of the first links 130 is multiple, one end of each of the first links 130 is connected to a different position of the card socket 110, and the other end is connected to the first button 120. Any two first links 130 of the plurality of first links 130 form a triangle with the socket 110, so that the stability of the first button 120 during operation can be improved when the first button 120 is in operation.
In this embodiment, there are a plurality of third links 520, one end of each of the plurality of third links 520 is connected to a different position of the liquid crystal holder 530, and the other end is connected to the second button 510. Any two second links 210 of the plurality of second links 210 and the liquid crystal holder 530 form a triangle, so that the stability of the second button 510 during operation can be improved when the second button 510 is in operation.
EXAMPLE six
Referring to fig. 1, the present embodiment provides an electric energy meter 10, and the electric energy meter 10 provided in the present embodiment can reduce the assembly difficulty.
The electric energy meter 10 provided by the embodiment includes a circuit board 600 and a meter button structure, the card socket 110 is mounted on the circuit board 600, the circuit board 600 is provided with a first contact portion 610 corresponding to the first button 120, and the first button 120 is selectively contacted with the first contact portion 610.
The electric meter button structure provided in this embodiment may be the electric meter button structure provided in any one of the first to fifth embodiments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An electricity meter button structure, comprising: the first button is connected with the clamping seat through the first connecting rod, and the first button and the first connecting rod are integrally formed;
the first button, the first connecting rod and the clamping seat are integrally formed;
or
The first connecting rod is provided with a first clamping part, the clamping seat is provided with a first clamping groove, and the first clamping part is clamped into the first clamping groove so that the first connecting rod is clamped with the clamping seat.
2. An electricity meter button structure as in claim 1, wherein said first link is formed of an elastomeric material.
3. An electricity meter button structure as in any of claims 1-2, further comprising a liquid crystal support and a second link, said first button being disposed between said liquid crystal support and said receptacle, said second link connecting said liquid crystal support and said first button.
4. An electricity meter button structure as in claim 3, wherein said second link, said liquid crystal support and said first button are integrally formed.
5. An electricity meter button structure as in claim 4, wherein said first plurality of links are connected at one end to different locations of said receptacle and at the other end to said first button;
the second connecting rods are multiple, one ends of the second connecting rods are connected to different positions of the liquid crystal support, and the other ends of the second connecting rods are connected with the first button.
6. An electricity meter button structure as in claim 3, wherein the second link is integrally formed with the first button, the second link is provided with a second clamping portion, the liquid crystal bracket is provided with a second clamping groove, and the second clamping portion is clamped into the second clamping groove, so that the second link is clamped with the liquid crystal bracket.
7. An electricity meter button arrangement according to any of claims 4 to 6, wherein the first link is connected to one end of the first button and the second link is connected to the other end of the first button.
8. An electricity meter button structure as in any of claims 1-2, further comprising a liquid crystal support, a second button and a third link, said second button being connected to said liquid crystal support through said third link, said second button, said third link and said liquid crystal support being integrally formed.
9. An electricity meter button structure as in claim 8, wherein said first plurality of links are connected at one end to different locations of said receptacle and at the other end to said first button;
the number of the third connecting rods is multiple, one end of each third connecting rod is connected to different positions of the liquid crystal support, and the other end of each third connecting rod is connected with the second button.
10. An electric energy meter, comprising a circuit board and the electric meter button structure according to any one of claims 1 to 9, wherein the card holder is mounted on the circuit board, the circuit board is provided with a first contact portion corresponding to the first button, and the first button is selectively contacted with the first contact portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921164844.4U CN210720517U (en) | 2019-07-23 | 2019-07-23 | Ammeter button structure and electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921164844.4U CN210720517U (en) | 2019-07-23 | 2019-07-23 | Ammeter button structure and electric energy meter |
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| Publication Number | Publication Date |
|---|---|
| CN210720517U true CN210720517U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921164844.4U Active CN210720517U (en) | 2019-07-23 | 2019-07-23 | Ammeter button structure and electric energy meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261652A (en) * | 2019-07-23 | 2019-09-20 | 宁波三星医疗电气股份有限公司 | A kind of ammeter press-button structure and electric energy meter |
-
2019
- 2019-07-23 CN CN201921164844.4U patent/CN210720517U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261652A (en) * | 2019-07-23 | 2019-09-20 | 宁波三星医疗电气股份有限公司 | A kind of ammeter press-button structure and electric energy meter |
| WO2021012918A1 (en) * | 2019-07-23 | 2021-01-28 | 宁波三星医疗电气股份有限公司 | Electricity meter button structure and electricity meter |
| CN110261652B (en) * | 2019-07-23 | 2024-05-17 | 宁波三星医疗电气股份有限公司 | Ammeter button structure and electric energy meter |
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