Electric energy meter

Abstract

The utility model relates to the technical field of power terminals, and discloses an electric energy meter, which comprises a shell with an accommodating cavity; the circuit board is arranged in the accommodating cavity; the collecting piece is arranged in the accommodating cavity and is suitable for collecting electrostatic charges in the accommodating cavity; one end of the first connecting piece is electrically connected with the circuit board, the other end of the first connecting piece abuts against the collecting piece, and the first connecting piece is suitable for transmitting the electrostatic charges collected by the collecting piece to the circuit board; the circuit board is suitable for converting the electrostatic charges into electric potential and then converting the electric potential into electric signals and recording the electric signals after the electric signals reach a voltage threshold value. According to the electric energy meter, the collecting piece is arranged to collect the electrostatic charges in the containing cavity, the electrostatic charges are transmitted to the circuit board through the first connecting piece to be recorded, electrostatic interference information can be obtained in time, and then corresponding measures are taken to prevent electrostatic interference caused by the fact that a large number of electrostatic charges exist in the shell in the use process of the electric energy meter; therefore, a non-electric-energy-meter owner can steal electricity due to the fact that the non-electric-energy-meter owner can steal electricity.

Description

Technical Field

[0001] The utility model relates to the technical field of power terminals, and particularly relates to an electric energy meter. Background Art

[0002] During the use of an electric energy meter, if there are a large number of static charges in the shell, electrostatic interference will be formed. In the light case, it will cause phenomena such as the electric energy meter crashing or the display screen going black, resulting in non-owners of the electric energy meter stealing electricity through means such as violent operation or modifying the program. In the heavy case, it will break down the electrical components inside the electric energy meter, reducing the use accuracy of the electrical components and shortening the service life of the electrical components. Summary of the Utility Model

[0003] In view of this, the utility model provides an electric energy meter to solve the problems that the electric energy meter is stolen due to electrostatic interference, and even the use accuracy of electrical components is reduced and the service life of electrical components is shortened.

[0004] The utility model provides an electric energy meter, including:

[0005] A shell having an accommodation cavity;

[0006] A circuit board disposed in the accommodation cavity;

[0007] A collecting member disposed in the accommodation cavity and adapted to collect static charges in the accommodation cavity;

[0008] A first connecting member, one end of which is electrically connected to the circuit board and the other end of which abuts against the collecting member, and the first connecting member is adapted to transmit the static charges collected by the collecting member to the circuit board;

[0009] The circuit board is adapted to form an electric potential from the static charges and then convert them into an electric signal, and record the electric signal after the electric signal reaches a voltage threshold.

[0010] Advantageous Effects: By providing a collecting member to collect static charges in the accommodation cavity and transmitting the static charges to the circuit board through the first connecting member for recording, the electrostatic interference information can be obtained in time, and corresponding measures can be taken to prevent the electric energy meter from forming electrostatic interference due to a large number of static charges in the shell during use, resulting in phenomena such as the electric energy meter crashing or the display screen going black, so that non-owners of the electric energy meter steal electricity through means such as violent operation or modifying the program, and even cause the electrostatic breakdown of the electrical components inside the electric energy meter, reducing the use accuracy of the electrical components and shortening the service life of the electrical components.

[0011] In an alternative embodiment, the circuit board includes a collection circuit, an amplification circuit, and a trigger circuit. The collection circuit is adapted to collect the static charges collected by the collection member. The amplification circuit is adapted to convert the static charges into electrical signals. The trigger circuit is adapted to record the electrical signals.

[0012] In an alternative embodiment, the collection member is an aluminum plate;

[0013] and / or, the first connecting member is a first spring;

[0014] and / or, an installation position is provided in the housing, and the collection member is arranged at the installation position.

[0015] Advantageous effects: By using an aluminum plate to collect static charges, it has good electrical conductivity, low cost, light weight, and is convenient to use; by providing an installation position to install the collection member, it is convenient to fix the collection member, so that the collection member is not easily shaken when collecting static charges, the connection between the collection member and the first connecting member is more stable, and the collection effect is better.

[0016] In an alternative embodiment, the housing includes a front side plate and other side plates. The front side plate and the other side plates together enclose the accommodation cavity, and a touch area is provided on the front side plate;

[0017] The electricity meter includes:

[0018] A second connecting member, one end of which is electrically connected to the circuit board, and the other end abuts against the touch area. The second connecting member is adapted to transmit the capacitance change of the touch area to the circuit board, thereby realizing conduction.

[0019] Advantageous effects: By using a second connecting member to transmit the capacitance change of the touch area to the circuit board to realize the function of a button, the number of parts required to realize the button function can be reduced, the structure is simple, the assembly is convenient, and the processing cost is low.

[0020] In an alternative embodiment, the second connecting member is a second spring;

[0021] and / or, an inspection display key and / or a programming key are correspondingly provided in the touch area.

[0022] Advantageous effects: By providing an inspection display key, after pressing the inspection display key multiple times, the display screen can sequentially display information such as the current total electricity consumption, the total electricity consumption as of last month, and the current date, which is convenient for meter reading and electricity bill settlement; by providing a programming key, the electricity meter can be reset to a certain extent in terms of software and parameters to adjust and optimize the parameters of the electricity meter, and it can prevent the situation where the actual electricity consumption is inconsistent with the electricity measurement due to new users accessing the power system, power outage maintenance, restart, or the electricity meter not being used for a long time.

[0023] In an alternative embodiment, the electric energy meter includes:

[0024] A fixing member fixed to one side of the circuit board close to the front side plate. The fixing member includes at least one fixing portion, and the fixing portion is provided with a hollow cavity, and the first connecting member and / or the second connecting member are suitable for being placed in the hollow cavity.

[0025] Beneficial effects: By arranging a hollow cavity in the fixing portion to place the first spring and the second spring, the positions of the first spring and the second spring can be defined, so that the docking between the first spring and the collecting member and between the second spring and the touch area is more accurate, the assembly efficiency of the electric energy meter is higher, and it can prevent the first spring and the second spring from undergoing elastic deformation and deviating in position in the accommodating cavity, resulting in the first contact end of the first spring being unable to align with the collecting member and the second contact end of the second spring being unable to align with the touch area.

[0026] In an alternative embodiment, the fixing member includes:

[0027] A fixing body fixed to the circuit board;

[0028] A first fixing portion provided on the fixing body, and the first fixing portion is suitable for fixing the first connecting member;

[0029] And / or, a second fixing portion provided on the fixing body, and the second fixing portion is suitable for fixing the second connecting member.

[0030] Beneficial effects: By arranging both the first fixing portion and the second fixing portion on the fixing body, the number of parts can be reduced, the processing cost can be lowered, the structure is simple, and the installation is convenient.

[0031] In an alternative embodiment, the electric energy meter includes:

[0032] A display member electrically connected to the circuit board, and a first mounting hole is provided on the front side plate for passing through the display member;

[0033] And / or, a first indicator light electrically connected to the circuit board, and a second mounting hole is provided on the front side plate for passing through the first indicator light;

[0034] And / or, a second indicator light electrically connected to the circuit board, and a third mounting hole is provided on the front side plate for passing through the second indicator light;

[0035] And / or, a measuring component provided in the accommodating cavity, and the circuit board is fixed to one side of the measuring component close to the front side plate.

[0036] In an alternative embodiment, the fixing member includes:

[0037] A third fixing part is arranged on the fixing body, and the third fixing part is suitable for fixing the display member;

[0038] And / or, a fourth fixing part is arranged on the fixing body, and the fourth fixing part is suitable for fixing the first indicating lamp;

[0039] And / or, a fifth fixing part is arranged on the fixing body, and the fifth fixing part is suitable for fixing the second indicating lamp.

[0040] Advantageous effects: By arranging the third fixing part, the fourth fixing part and the fifth fixing part on the fixing body, the structure can be further simplified, the number of parts can be reduced, and the positions of the display member, the first indicating lamp and the second indicating lamp can be defined, thereby facilitating assembly.

[0041] In an optional embodiment, the first fixing part and the second fixing part are respectively located on two sides of the fourth fixing part. Description of the drawings

[0042] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0043] Figure 1 It is a schematic structural diagram of an electric energy meter according to an embodiment of the present invention;

[0044] Figure 2 It is Figure 1 an exploded view of the electric energy meter shown;

[0045] Figure 3 It is Figure 2 a schematic structural diagram of the first perspective of the housing of the electric energy meter shown;

[0046] Figure 4 It is Figure 2 a schematic structural diagram of the second perspective of the housing of the electric energy meter shown;

[0047] Figure 5 It is Figure 2 a schematic structural diagram of the first connecting member and the second connecting member of the electric energy meter shown;

[0048] Figure 6 It is Figure 2 a schematic structural diagram of the fixing member of the electric energy meter shown.

[0049] Description of the reference numerals:

[0050] 1. Housing; 11. Accommodating cavity; 12. Front side plate; 121. Touch area; 122. First mounting hole; 123. Second mounting hole; 124. Third mounting hole; 125. Clamping member; 2. Circuit board; 3. Collecting member; 4. First connecting member; 41. First connecting body; 42. First welding end; 43. First contact end; 5. Second connecting member; 51. Second connecting body; 52. Second welding end; 53. Second contact end; 6. Fixing member; 61. Fixing body; 62. First fixing portion; 63. Second fixing portion; 64. Third fixing portion; 65. Fourth fixing portion; 66. Fifth fixing portion; 7. Display member; 8. First indicator light; 9. Second indicator light; 10. Measuring assembly. Specific embodiments

[0051] In order to make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0052] The following will be combined with Figures 1 to 6 , to describe the embodiments of the present utility model.

[0053] According to an embodiment of the present utility model, there is provided an electric energy meter, comprising: a housing 1 having an accommodating cavity 11; a circuit board 2 disposed in the accommodating cavity 11; a collecting member 3 disposed in the accommodating cavity 11 and adapted to collect static charges in the accommodating cavity 11; a first connecting member 4 having one end electrically connected to the circuit board 2 and the other end abutted against the collecting member 3, and the first connecting member 4 is adapted to transmit the static charges collected by the collecting member 3 to the circuit board 2; the circuit board 2 is adapted to form an electric potential from the static charges and then convert them into electrical signals, and record the electrical signals after the electrical signals reach a voltage threshold.

[0054] By providing the collecting member 3 to collect the static charges in the accommodating cavity 11 and transmitting the static charges to the circuit board 2 through the first connecting member 4 for recording, the static interference information can be obtained in time, and corresponding measures can be taken to prevent the electric energy meter from being subject to static interference due to a large number of static charges existing in the housing 1 during use, resulting in phenomena such as the electric energy meter crashing or the display screen going black, enabling non-electric energy meter owners to steal electricity by means of violent operation or program modification, and even causing the static breakdown of the electrical components inside the electric energy meter, thereby reducing the use accuracy of the electrical components and shortening the service life of the electrical components.

[0055] The circuit board 2 in this embodiment includes a collection circuit, an amplification circuit, and a trigger circuit. The collection circuit is adapted to collect the static charges collected by the collection member 3, the amplification circuit is adapted to convert the static charges into electrical signals, and the trigger circuit is adapted to record the electrical signals. Among them, the voltage threshold is 8000V. By setting the voltage threshold to 8000V, most of the electrostatic interferences can be detected, especially the electrostatic interference situation when power theft occurs. As a changeable implementation manner, the voltage threshold can also be determined according to the actual usage situation, and no excessive restrictions are imposed here.

[0056] The collection member 3 in this embodiment is an aluminum plate. By using an aluminum plate to collect static charges, it has good electrical conductivity, low cost, light weight, and is convenient to use. As a changeable implementation manner, other structures such as iron and copper that can collect static charges can also be used as the collection member 3, and no excessive restrictions are imposed here.

[0057] The first connecting member 4 in this embodiment is a first spring. One end of the first spring is connected to the circuit board 2, and the other end abuts against the collection member 3. Specifically, as Figure 5 shown, the first spring includes a first connecting body 41, a first welding end 42, and a first contact end 43. The first welding end 42 and the first contact end 43 are respectively arranged at both ends of the first connecting body 41. Among them, the first welding end 42 is welded to the circuit board 2, and the first contact end 43 abuts against the collection member 3. As a changeable implementation manner, the first connecting member 4 can also adopt other rod structures that can be used for conduction.

[0058] As Figure 3 shown, the housing 1 includes a front side plate 12 and other side plates. The front side plate 12 and the other side plates together enclose a receiving cavity 11, and a touch area 121 is provided on the front side plate 12; the electricity meter includes: a second connecting member 5, one end of which is electrically connected to the circuit board 2, and the other end abuts against the touch area 121. The second connecting member 5 is adapted to transmit the capacitance change of the touch area 121 to the circuit board 2, thereby realizing conduction. By using the second connecting member 5 to transmit the capacitance change of the touch area 121 to the circuit board 2 to realize the function of the button, the number of parts required to realize the button function can be reduced, the structure is simple, the assembly is convenient, and the processing cost is low.

[0059] An installation position is provided in the housing 1 in this embodiment, and the collection member 3 is arranged in the installation position. As Figure 4 shown, a clamping member 125 is provided at a position in the receiving cavity 11 close to the front side plate 12. An installation position for installing the collection member 3 is formed between the clamping member 125 and the front side plate 12, and the clamping member 125 is arranged on the left and right sides of the front side plate 12. Among them, the left and right directions are Figure 4In the horizontal direction. By setting the installation position to install the collecting member 3, it is convenient to fix the collecting member 3, so that the collecting member 3 is not easily shaken when collecting static electricity, the connection between the collecting member 3 and the first connecting member 4 is more stable, and the collecting effect is better. As a transformable implementation manner, it may also be that no installation position is set, but the collecting member 3 is directly fixed to the inner wall of the front side plate 12, or fixed to the inner wall of other side plates, or other areas in the accommodating cavity 11, as long as it can fix the collecting member 3 and abut it against the first connecting member 4.

[0060] In this embodiment, a display key and a programming key are correspondingly provided in the touch area 121. By setting the display key, after pressing the display key multiple times, the display screen can sequentially display information such as the current total power, the total power as of last month, and the current date, which is convenient for meter reading and electricity bill settlement; by setting the programming key, the electric energy meter can be reset to a certain extent in terms of software and parameters to adjust and optimize the parameters of the electric energy meter, and it can prevent the situation where the actual electricity consumption is inconsistent with the electric energy measurement caused by new users accessing the power system, power outage maintenance, restart, or the electric energy meter not being used for a long time. As a transformable implementation manner, it may also be that only the display key or only the programming key is provided in the touch area 121.

[0061] In this embodiment, the second connecting member 5 is a second spring. One end of the second spring is connected to the circuit board 2, and the other end abuts against the touch area 121. Specifically, as Figure 5 shown, the second spring includes a second connecting body 51, a second welding end 52, and a second contact end 53. The second welding end 52 and the second contact end 53 are respectively provided at both ends of the second connecting body 51. Among them, the second welding end 52 is welded to the circuit board 2, and the second contact end 53 abuts against the inner wall of the touch area 121. As a transformable implementation manner, the second connecting member 5 may also adopt other rod structures that can be used for conduction.

[0062] As Figure 6As shown in the figure, the electric energy meter in this embodiment includes: a fixing member 6, fixed on one side of the circuit board 2 close to the front side plate 12. The fixing member 6 includes two fixing parts, and each fixing part is provided with a hollow cavity, and the first connecting member 4 and the second connecting member 5 are adapted to be placed in the hollow cavity. By arranging the hollow cavity in the fixing part to place the first spring and the second spring, the positions of the first spring and the second spring can be defined, so that the docking between the first spring and the collecting member 3 and between the second spring and the touch area 121 is more accurate, the assembly efficiency of the electric energy meter is higher, and it can prevent the first spring and the second spring from undergoing elastic deformation and deviating in position in the accommodating cavity 11, resulting in the first contact end 43 of the first spring being unable to align with the collecting member 3 and the second contact end 53 of the second spring being unable to align with the touch area 121. As an alternative embodiment, when the electric energy meter is only provided with the first connecting member 4 or only provided with the second connecting member 5, the fixing member 6 only includes one fixing part.

[0063] Specifically, as Figure 6 shown, the fixing member 6 includes: a fixing body 61, fixed on the circuit board 2; a first fixing part 62, provided on the fixing body 61, and the first fixing part 62 is adapted to fix the first connecting member 4; a second fixing part 63, provided on the fixing body 61, and the second fixing part 63 is adapted to fix the second connecting member 5. Among them, the first fixing part 62 and the second fixing part 63 are specifically sleeve structures. By arranging both the first fixing part 62 and the second fixing part 63 on the fixing body 61, the number of parts can be reduced, the processing cost can be reduced, the structure is simple, and the installation is convenient. As an alternative embodiment, it can also be that the first fixing part 62 and the second fixing part 63 are separately arranged.

[0064] As Figure 2 shown, the electric energy meter in this embodiment includes: a display member 7, electrically connected to the circuit board 2, and a first mounting hole 122 is provided on the front side plate 12, adapted to pass through the display member 7; a first indicator light 8, electrically connected to the circuit board 2, and a second mounting hole 123 is provided on the front side plate 12, adapted to pass through the first indicator light 8; a second indicator light 9, electrically connected to the circuit board 2, and a third mounting hole 124 is provided on the front side plate 12, adapted to pass through the second indicator light 9; a measuring component 10, arranged in the accommodating cavity 11, and the circuit board 2 is fixed on one side of the measuring component 10 close to the front side plate 12. Among them, the display member 7 is a display screen, the first indicator light 8 is an infrared light, the second indicator light 9 is a pulse light and a trip light, and the measuring component 10 includes a terminal box and a metering unit. As an alternative embodiment, the second indicator light 9 can also be only a pulse light, or only a trip light, or neither can be provided.

[0065] As Figure 6As shown in the figure, the fixing member 6 in this embodiment includes: a third fixing portion 64 provided on the fixing body 61, and the third fixing portion 64 is adapted to fix the display member 7; a fourth fixing portion 65 provided on the fixing body 61, and the fourth fixing portion 65 is adapted to fix the first indicator light 8; a fifth fixing portion 66 provided on the fixing body 61, and the fifth fixing portion 66 is adapted to fix the second indicator light 9. Specifically, the first fixing portion 62 and the second fixing portion 63 are respectively located on both sides of the fourth fixing portion 65. Among them, the third fixing portion 64, the fourth fixing portion 65, and the fifth fixing portion 66 are specifically through holes, and the display member 7, the first indicator light 8, and the second indicator light 9 are inserted into the through holes for limiting. By arranging the third fixing portion 64, the fourth fixing portion 65, and the fifth fixing portion 66 on the fixing body 61, the structure can be further simplified, the number of parts can be reduced, and the positions of the display member 7, the first indicator light 8, and the second indicator light 9 can be limited, thereby facilitating assembly. As a changeable implementation manner, it can also be that when the second indicator light 9 is not provided, the fifth fixing portion 66 can also be not provided.

[0066] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. An electric energy meter, characterized in that, Comprising: A housing (1) having a receiving cavity (11); A circuit board (2) disposed within the receiving cavity (11); A collecting member (3) disposed within the receiving cavity (11) and adapted to collect static charges within the receiving cavity (11); A first connecting member (4) having one end electrically connected to the circuit board (2) and the other end abutting against the collecting member (3), the first connecting member (4) being adapted to transfer the static charges collected by the collecting member (3) to the circuit board (2); The circuit board (2) is adapted to convert the static charges into an electric signal after forming a potential, and record the electric signal after the electric signal reaches a voltage threshold.

2. The electric energy meter according to claim 1, wherein, The circuit board (2) includes a sampling circuit, an amplifying circuit, and a triggering circuit. The sampling circuit is adapted to sample the static charges collected by the collecting member (3), the amplifying circuit is adapted to convert the static charges into an electric signal, and the triggering circuit is adapted to record the electric signal.

3. The electric energy meter according to claim 1, characterized in that The collecting member (3) is an aluminum plate; And / or, the first connecting member (4) is a first spring; And / or, an installation position is provided within the housing (1), and the collecting member (3) is disposed at the installation position.

4. The electricity meter according to any one of claims 1-3, characterized in that The housing (1) includes a front side plate (12) and other side plates. The front side plate (12) and the other side plates together enclose the receiving cavity (11), and a touch area (121) is provided on the front side plate (12); The electricity meter includes: A second connecting member (5) having one end electrically connected to the circuit board (2) and the other end abutting against the touch area (121). The second connecting member (5) is adapted to transfer the capacitance change of the touch area (121) to the circuit board (2), thereby achieving conduction.

5. The electric energy meter according to claim 4, wherein The second connecting member (5) is a second spring; And / or, a button display key and / or a programming key are correspondingly provided on the touch area (121).

6. The electric energy meter according to claim 4, wherein The electricity meter includes: A fixing member (6) fixed to a side of the circuit board (2) close to the front side plate (12). The fixing member (6) includes at least one fixing portion, and a hollow cavity is provided in the fixing portion, and the first connecting member (4) and / or the second connecting member (5) are adapted to be placed within the hollow cavity.

7. The electric energy meter according to claim 6, wherein The fixing member (6) includes: A fixing body (61) fixed to the circuit board (2); A first fixing portion (62) provided on the fixing body (61), the first fixing portion (62) being adapted to fix the first connecting member (4); And / or, a second fixing portion (63) provided on the fixing body (61), the second fixing portion (63) being adapted to fix the second connecting member (5).

8. The electric energy meter according to claim 7, wherein The electricity meter includes: A display member (7) electrically connected to the circuit board (2). A first mounting hole (122) is provided on the front side plate (12) and is adapted to pass through the display member (7); And / or, a first indicator light (8) electrically connected to the circuit board (2). A second mounting hole (123) is provided on the front side plate (12) and is adapted to pass through the first indicator light (8); And / or, a second indicator light (9) electrically connected to the circuit board (2), and a third mounting hole (124) is provided on the front side plate (12) and is adapted to pass through the second indicator light (9); And / or, a measuring component (10) is disposed in the accommodation cavity (11), and the circuit board (2) is fixed to a side of the measuring component (10) close to the front side plate (12).

9. The electric energy meter according to claim 8, characterized in that, The fixing member (6) includes: A third fixing portion (64) disposed on the fixing body (61), and the third fixing portion (64) is adapted to fix the display member (7); And / or, a fourth fixing portion (65) disposed on the fixing body (61), and the fourth fixing portion (65) is adapted to fix the first indicator light (8); And / or, a fifth fixing portion (66) disposed on the fixing body (61), and the fifth fixing portion (66) is adapted to fix the second indicator light (9).

10. The electric energy meter according to claim 9, characterized in that, The first fixing portion (62) and the second fixing portion (63) are respectively located on two sides of the fourth fixing portion (65).

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