Charging-discharging circuit for electric meter
A technology of charging and discharging circuits and electric meters, applied in the field of electric meters, can solve the problems of large volume of rechargeable batteries, occupy a lot of space, increase the overall volume of electric energy meters, etc., to achieve the effect of improving performance, maintaining safety performance, and preventing overcharging
Pending Publication Date: 2019-11-08
NINGBO SANXING MEDICAL & ELECTRIC CO LTD
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Problems solved by technology
[0003] However, there is a problem with this kind of electric energy meter, that is, the rechargeable battery is usually arranged on the front of the circuit board, which will occupy a lot of space, resulting in a decrease in the availability of the circuit board, and indirectly increasing the overall volume of the electric energy meter
Designers have tried to move it to the back of the circuit board, but for small electric energy meters, the distance between the circuit board and the bottom case of the electric energy meter is small, and the rechargeable battery is large, so the design and assembly of the rechargeable battery cannot be completed
Method used
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[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0030] Such as Figures 1 to 4 Shown is a preferred embodiment of the present invention, the charging and discharging circuit for the electric meter includes a supercapacitor module 1, a charging module 2, and a discharging module 3, wherein the supercapacitor module 1 is arranged on the back of the main board 4 of the electric meter and can store The charging module 2 is set at the front end of the supercapacitor module 1, and is used to control the supercapacitor module 1 to charge and store energy according to the received charging si...
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The invention relates to a charging and discharging circuit for an electric meter. The charging and discharging circuit comprises a super capacitor module (1) arranged at the back surface of a main board (4) of an electric meter and used for energy storage and energy dissipation; a charging module (2) arranged at the front end of the super capacitor module (1) and used for controlling the super capacitor module (1) to charge and store energy according to the received charging signals; and a discharging module (3) connected with the super capacitor module (1) and used for controlling the supercapacitor module (1) to perform charging and energy dissipation for a load (5) arranged at the rear end of the super capacitor module (1) according to the received power-down information. The chargingand discharging circuit can supply power to the system and the load when the electric meter is powered down to achieve report of the power-down data, and is good in stability.
Description
technical field [0001] The invention relates to the field of electric meters, in particular to a charging and discharging circuit for electric meters. Background technique [0002] In order to record and report the power failure situation when the power is cut off, the existing electric energy meters are equipped with rechargeable batteries, that is, after the power is cut off, the electric energy meters are powered by the rechargeable batteries to keep the ability to continue working for a short time, and Complete the escalation operation. [0003] However, there is a problem in this kind of electric energy meter, that is, the rechargeable battery is usually arranged on the front of the main board of the circuit, and this will occupy a lot of space, resulting in a decrease in the availability of the main board of the circuit, and indirectly increasing the overall volume of the electric energy meter. Designers have tried to move it to the back of the circuit board, but for ...
Claims
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Login to View More IPC IPC(8): H02J7/34
CPCH02J7/345
Inventor 柯小勤周中军
Owner NINGBO SANXING MEDICAL & ELECTRIC CO LTD