Button structure of electric energy meter

Abstract

The utility model relates to a button structure of an electric energy meter, comprising an electric energy meter housing and a programming button, the electric energy meter housing is provided with a button installation groove, the center of the bottom of the button installation groove is provided with a button through hole, and one side of the bottom of the button installation groove is provided with a first support protrusion protruding upwards. The programming button rotates and can be vertically and movably installed in the button installation groove, the lower end of the programming button penetrates through the button penetrating hole and is provided with a trigger part, the upper end of the programming button is provided with an operation part, an elastic piece is arranged between the operation part and the button installation groove, and the edge of the operation part is downwards provided with a second supporting protrusion in a protruding mode. And a lead sealing piece is also arranged between the programming button and the electric energy meter shell. When the second supporting protrusion and the first supporting protrusion are staggered, the programming button can be operated, when the second supporting protrusion is located above the first supporting protrusion, the programming button cannot be operated, at the moment, lead sealing is conducted on the programming button and the electric energy meter shell through the lead sealing piece, and the risk of misoperation does not exist even if the programming button is loosened.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy meters, in particular to a button structure of an electric energy meter. Background Art

[0002] An electric energy meter is an instrument used to measure electric energy. It is also called an electric meter, a fire meter, or a kilowatt-hour meter. It refers to an instrument that measures various electrical quantities. The electric energy meter is provided with a programming button, which acts downward and eventually triggers the corresponding position on the control circuit board, thereby performing programming. However, the programming button can only be operated by staff, and the programming button is usually sealed with the electric energy meter through a lead seal. Since the sealing wire of the lead seal cannot be completely tightened during sealing, there is a risk of the programming button being loose. If the programming button is loose, there is a risk of misoperation. Summary of the invention

[0003] The purpose of the utility model is to provide a button structure of an electric energy meter, which can solve the technical problems mentioned in the background technology.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a button structure of an electric energy meter, comprising an electric energy meter housing and a programming button, the electric energy meter housing is provided with a button mounting groove, the center of the bottom of the button mounting groove is penetrated by a button through-hole, one side of the bottom of the button mounting groove is provided with a first supporting protrusion protruding upward, the programming button is rotatably and vertically movablely installed in the button mounting groove, the lower end of the programming button passes through the button through-hole and is provided with a trigger part that can contact the control circuit board in the electric energy meter housing, the outer diameter of the trigger part is larger than the inner diameter of the button through-hole, the upper end of the programming button is provided with an operating part exposed and available for operation, an elastic member is provided between the operating part and the button mounting groove, a second supporting protrusion is provided downwardly on the edge of the operating part, in the programming state, the first supporting protrusion is staggered with the second supporting protrusion, and the programming button can be pressed, in the non-programming state, the second supporting protrusion is located above the first supporting protrusion, and the programming button cannot be pressed, and a lead seal is also provided between the programming button and the electric energy meter housing.

[0005] Preferably, a lead seal seat is protruding from the electric energy meter housing, and a first lead seal hole is provided on the lead seal seat; a lead seal portion is protruding from the operating portion, and a second lead seal hole is provided on the lead seal portion; the lead seal member passes through the first lead seal hole and the second lead seal hole to connect the electric energy meter housing and the programming button to achieve lead sealing.

[0006] Preferably, the lead sealing portion is in a flat U-shape, and the second lead sealing holes are provided at two ends of the lead sealing portion in the length direction.

[0007] Preferably, when the first lead sealing hole is opposite to the second lead sealing hole, the first supporting protrusion and the second supporting protrusion are located on the same side or both sides of the lead sealing portion.

[0008] Preferably, a lock mark and an unlock mark are respectively provided on both sides of the button installation groove, the lock mark is opposite to the first supporting protrusion, and an arrow mark is provided on the operating part, and the arrow mark is opposite to the second supporting protrusion.

[0009] Preferably, the triggering part is a silicone pad, a carbon film is provided at the end of the silicone pad, and a conductive film opposite to the carbon film is provided on the control circuit board.

[0010] Preferably, the elastic member is a spring.

[0011] Compared with the prior art, the beneficial effect of the utility model is that when the second support protrusion of the utility model is staggered with the first support protrusion, the programming button can be operated; when the second support protrusion is located above the first support protrusion, the programming button cannot be operated. At this time, the programming button and the electric energy meter housing are sealed with a lead seal, and there is no risk of misoperation even if the programming button is loose. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a stereogram of the utility model.

[0013] Figure 2 It is an exploded view of the utility model.

[0014] Figure 3 It is a partial cross-sectional view of the programming state of the utility model.

[0015] Figure 4 It is a partial cross-sectional view of the utility model in a non-programming state.

[0016] Figure 5 It is a three-dimensional diagram of the programming button of the utility model. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] like Figure 1-Figure 5As shown, the utility model provides a button structure of an electric energy meter, including an electric energy meter housing 1 and a programming button 2, the electric energy meter housing 1 is provided with a button mounting groove 3, the center of the bottom of the button mounting groove 3 is penetrated by a button through-hole 4, one side of the bottom of the button mounting groove 3 is provided with a first supporting protrusion 5 protruding upward, the programming button 2 is rotatably and vertically movablely installed in the button mounting groove 3, the lower end of the programming button 2 passes through the button through-hole 4 and is provided with a trigger part 6 that can contact the control circuit board in the electric energy meter housing 1, the outer diameter of the trigger part 5 is larger than the inner diameter of the button through-hole 4, so that the trigger part 6 is limited to the inner side of the button through-hole 4, the upper end of the programming button 2 is provided with an operating part 7 that is exposed and available for operation, and the operating part 7 can be set It is placed at the notch of the button mounting groove 3 to form an exposure, or it can partially or completely extend out of the button mounting groove 3 to form an exposure, which is convenient for operation. An elastic member 8 is provided between the operating part 7 and the button mounting groove 3, and the elastic member 8 is preferably a spring. The edge of the operating part 7 is provided with a second supporting protrusion 9 protruding downward. In the programming state, the first supporting protrusion 5 is staggered with the second supporting protrusion 9, that is, the second supporting protrusion 9 is not above the first supporting protrusion 5, and the programming button 2 can be pressed. In the non-programming state, the second supporting protrusion 9 is located above the first supporting protrusion 5, and the programming button 2 cannot be pressed. A lead seal is also provided between the programming button 2 and the electric energy meter housing 1. The lead seal can be a combination of a lead seal line and a lead seal block, or can also be other lead seal structures.

[0019] In the programming state of the utility model, the first support protrusion 5 and the second support protrusion 9 are staggered, that is, the second support protrusion 9 is not above the first support protrusion 5, and the programming button 2 can be pressed. After the programming button 2 is pressed, it can trigger the corresponding position on the control circuit board, so as to perform programming. After the programming is completed, the programming button 2 is rotated to a certain angle so that the second support protrusion 9 is located above the first support protrusion 5. Since the first support protrusion 5 and the second support protrusion 9 cooperate to restrict the programming button 2 from being pressed, programming cannot be performed. At this time, the programming button 2 can be sealed with the electric energy meter housing 1 by the lead seal. Even if the lead seal line of the lead seal is not completely tightened, the programming button 2 will not be pressed if it is loose, and there will be no risk of misoperation.

[0020] Preferably, a lead seal seat 10 is protrudingly provided on the electric energy meter housing 1, and a first lead seal hole 11 is provided on the lead seal seat 10; a lead seal portion 12 is protrudingly provided on the operating portion 7, and a second lead seal hole 13 is provided on the lead seal portion 12; the lead seal member passes through the first lead seal hole 11 and the second lead seal hole 13 to connect the electric energy meter housing 1 and the programming button 2 to achieve lead sealing, which is convenient for operation.

[0021] Preferably, the sealing portion 12 is in a flat U-shape, and the second sealing holes 13 are provided at both ends of the sealing portion 12 in the length direction. The sealing portion 12 can be held by hand to rotate the programming button 2, which is easy to operate. Since the sealing portion 12 is in a U-shape, the installation of the sealing line is convenient.

[0022] Preferably, when the first lead sealing hole 11 is opposite to the second lead sealing hole 13, the first supporting protrusion 5 and the second supporting protrusion 9 are located on the same side or both sides of the lead sealing portion 12. In the programming state, the first lead sealing hole 11 is opposite to the second lead sealing hole 13, the first supporting protrusion 5 and the second supporting protrusion 9 are staggered with each other and are located on both sides of the lead sealing portion 12. In the non-programming state, after the lead sealing portion 12 rotates 180°, the first lead sealing hole 11 is still opposite to the second lead sealing hole 13, and the second supporting protrusion 9 is located above the first supporting protrusion 5, that is, the first supporting protrusion 5 and the second supporting protrusion 9 are located on the same side of the lead sealing. Regardless of the programming state or the non-programming state, lead sealing can be achieved.

[0023] Preferably, a lock mark and an unlock mark are respectively provided on both sides of the button mounting groove 3, and the lock mark is opposite to the first supporting protrusion 5. An arrow mark is provided on the operating part 7, and the arrow mark is opposite to the second supporting protrusion 9. The state of the programming button 2 can be understood according to the corresponding relationship between the arrow mark and the lock mark and the unlock mark, which is convenient to use.

[0024] Preferably, the trigger part 6 is a silicone pad, a carbon film is provided at the end of the silicone pad, a conductive film opposite to the carbon film is provided on the control circuit board, and the silicone pad has a certain elasticity. When the programming button 2 is pressed downward, the programming button 2 will not rigidly collide with the control circuit board to avoid damage to the control circuit board. After the programming button 2 is pressed downward, the carbon film can contact the conductive film and be energized, and programming can be performed.

[0025] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and the implementation scheme. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A button structure of an electric energy meter, comprising an electric energy meter housing and a programming button, characterized in that: The electric energy meter housing is provided with a button mounting groove, the center of the bottom of the button mounting groove passes through a button through-hole, one side of the bottom of the button mounting groove is provided with a first supporting protrusion protruding upward, the programming button is rotatably and vertically movablely installed in the button mounting groove, the lower end of the programming button passes through the button through-hole and is provided with a trigger part that can contact the control circuit board in the electric energy meter housing, the outer diameter of the trigger part is larger than the inner diameter of the button through-hole, the upper end of the programming button is provided with an operating part that is exposed and available for operation, an elastic part is provided between the operating part and the button mounting groove, and a second supporting protrusion is provided on the edge of the operating part protruding downward, in the programming state, the first supporting protrusion is staggered with the second supporting protrusion, and the programming button can be pressed, and in the non-programming state, the second supporting protrusion is located above the first supporting protrusion, and the programming button cannot be pressed, and a lead seal is also provided between the programming button and the electric energy meter housing.

2. The button structure of the electric energy meter according to claim 1, characterized in that: A lead seal seat is protruding from the housing of the electric energy meter, and a first lead seal hole is provided on the lead seal seat. A lead seal portion is protruding from the operating portion, and a second lead seal hole is provided on the lead seal portion. The lead seal member passes through the first and second lead seal holes to connect the housing of the electric energy meter and the programming button to achieve lead sealing.

3. The button structure of the electric energy meter according to claim 2, characterized in that: The lead sealing portion is in a flat U-shaped shape, and the second lead sealing holes are arranged at two ends of the lead sealing portion in the length direction.

4. The button structure of the electric energy meter according to claim 2, characterized in that: When the first lead-sealing hole is opposite to the second lead-sealing hole, the first supporting protrusion and the second supporting protrusion are located on the same side or both sides of the lead-sealing portion.

5. The button structure of the electric energy meter according to any one of claims 1 to 4, characterized in that: A locking mark and an unlocking mark are respectively arranged on both sides of the button installation groove, the locking mark is opposite to the first supporting protrusion, and an arrow mark is arranged on the operating part, the arrow mark is opposite to the second supporting protrusion.

6. The button structure of the electric energy meter according to any one of claims 1 to 4, characterized in that: The trigger part is a silicone pad, a carbon film is arranged at the end of the silicone pad, and a conductive film opposite to the carbon film is arranged on the control circuit board.

7. The button structure of the electric energy meter according to any one of claims 1 to 4, characterized in that: The elastic member is a spring.

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