CN-121978396-A - Split type electric energy meter system for indoor display of active pulse output

CN121978396ACN 121978396 ACN121978396 ACN 121978396ACN-121978396-A

Abstract

The invention particularly relates to a split type electric energy meter system for indoor display of active pulse output. The system comprises an outdoor meter body and a user display module, wherein the outdoor meter body is used for metering electric energy data and sending metering parameters to the user display module, the user display module is in communication connection with the outdoor meter body and comprises a communication unit used for receiving the metering parameters sent by the outdoor meter body, a processing unit connected with the communication unit and used for calculating and obtaining an active pulse output frequency according to a received pulse constant and real-time active power and generating an active pulse driving signal based on the active pulse output frequency, and the active pulse lamp unit is connected with the processing unit and used for flashing in response to the active pulse driving signal and displaying the current electric load state. The system can reconstruct a pulse flicker signal synchronous with an outdoor ammeter at an indoor display end, so that a user can grasp the current indoor power consumption instantaneous total power state, and the timeliness of understanding the power consumption load state is improved.

Inventors

WANG YONGSHENG
CHEN YUMEI
GUO JIANBO
DING ZUOMING
ZHANG YUQING
LI YAOLONG
Shan Lingxiao
WANG CHUNHE
MENG ZHUO

Assignees

杭州海兴电力科技股份有限公司
深圳和兴电力科技有限公司
广东和兴电力科技有限公司
海南海兴国际科技发展有限公司
宁波恒力达科技有限公司

Dates

Publication Date: 20260505
Application Date: 20251211

Claims (10)

1. The split type electric energy meter system for indoor display of active pulse output is characterized by comprising an outdoor surface body and a user display module; the outdoor meter body is used for metering electric energy data and sending metering parameters to the user display module, wherein the metering parameters at least comprise pulse constants and real-time active power; the user display module is in communication connection with the outdoor table body, and the user display module comprises: the communication unit is used for receiving the metering parameters sent by the outdoor meter body; The processing unit is connected with the communication unit and is used for calculating and obtaining an active pulse output frequency according to the received pulse constant and real-time active power and generating an active pulse driving signal based on the active pulse output frequency; And the active pulse lamp unit is connected with the processing unit and is used for responding to the active pulse driving signal to flash and displaying the current power load state.
2. The split type electric energy meter system for indoor display of active pulse output according to claim 1, wherein the specific formula for calculating the active pulse output frequency by the processing unit is: P=K×P_active/3600; Wherein P is the output frequency of active pulse, K is the pulse constant, and P_active is the real-time active power.
3. The split type electric energy meter system for indoor display of active pulse output according to claim 2, wherein the processing unit is further used for performing active pulse width adaptive adjustment, specifically, the processing unit is preset with a default active pulse width value; when generating an active pulse driving signal, the processing unit calculates and generates an active pulse period based on the obtained active pulse output frequency, and compares the current active pulse period with the numerical value of the default active pulse width value; If the current active pulse period is smaller than the default active pulse width value, the actually output active pulse width value is adjusted to be half of the current active pulse period; And if the current active pulse period is greater than or equal to the default active pulse width value, keeping the actually output active pulse width value as the default active pulse width value.
4. A split type electric energy meter system for indoor display of active pulse output according to claim 3, wherein the triggering mechanism for the outdoor body to send metering parameters to the user display module is: the outdoor meter body monitors the change of the current active power in real time; And when the detected current active power is larger than a preset power threshold value or the active power variation of the current active power relative to the last transmitted data is larger than the preset power variation threshold value, the outdoor meter actively transmits updated metering parameters to the user display module.
5. The split type electric energy meter system for indoor display of active pulse output according to claim 1, wherein the communication means supported by the communication unit comprises any one or more combination of wired MBUS, RS485, power line carrier, wireless radio frequency RF or bluetooth communication.
6. The split type electric energy meter system for indoor display of active pulse output according to claim 4, wherein the data sent by the outdoor surface further comprises electric energy meter running state information, the user display module further comprises an alarm unit, the alarm unit is connected with the processing unit, the processing unit is used for analyzing the received electric energy meter running state information, and when the electric energy meter running state is analyzed to be fault, overload, short circuit or undervoltage, the alarm unit is driven to send out an audible alarm signal.
7. The split type electric energy meter system for indoor display of active pulse output according to claim 6, wherein the user display module further comprises a display screen unit, and the display screen unit is connected with the processing unit and used for visually displaying the operation state information and real-time active power of the electric energy meter.
8. The split type electric energy meter system for indoor display of active pulse output according to claim 7, wherein the user display module further comprises an interaction unit, wherein the interaction unit is connected with the processing unit and is used for enabling a user to manually configure the preset power threshold and the preset power change threshold and is further used for switching a display interface of the display screen unit.
9. The split type electric energy meter system for indoor display of active pulse output according to claim 1, wherein the active pulse lamp unit comprises LED lamp beads and a driving circuit electrically connected with the LED lamp beads, and the processing unit controls on-off of the driving circuit through outputting high/low level so as to control flicker frequency of the LED lamp beads, wherein the flicker frequency is positively correlated with the real-time active power.
10. The split type electric energy meter system for indoor display of active pulse output according to claim 8, wherein the user display module further comprises a power supply unit, wherein the power supply unit is provided with an alternating current-to-direct current circuit for accessing mains supply and converting alternating current voltage into direct current voltage, and the power supply unit, the processing unit, the active pulse lamp unit, the interaction unit, the alarm unit and the display screen unit are powered.

Description

Split type electric energy meter system for indoor display of active pulse output Technical Field The invention relates to the technical field of electric energy meter equipment, in particular to a split type electric energy meter system for indoor display of active pulse output. Background With the increasing maturity of electric energy metering technology, in order to prevent electricity larceny and centralized management, split type electric energy meter is widely applied to domestic and civil electric energy metering scenes. The architecture generally comprises two independent parts, wherein the first part is an electric energy meter main body arranged in an outdoor telegraph pole, a public area or a locked meter box and used as a metering control main body for metering and processing electric energy and data of a core, and the second part is a user display module arranged in a user home and communicated with the outdoor electric energy meter main body in a wired or wireless mode and used for displaying power consumption information such as voltage, current, residual electric quantity and the like to a user. In electric energy metering, the active pulse is a key physical index reflecting the size of the electric load, and the electric energy meter is generally provided with a pulse indicator lamp, and the flicker frequency of the pulse indicator lamp is in direct proportion to the current active power, so that the faster the pulse lamp flashes, the larger the total power representing the current household electricity. In the existing split type electric energy meter application scene, an outdoor electric energy meter main body is used as core metering equipment, an active pulse output function is provided, and the current power load can be intuitively fed back in real time through the flicker frequency of an LED pulse indicator lamp. The metering main body of the existing split type electric energy meter is usually installed in an outdoor or locking meter box, a user is difficult to directly observe, and a user display module arranged indoors is usually only provided with a data display function, and lacks an active pulse lamp and a corresponding control module capable of intuitively reflecting the power load. This results in the user only reading static numbers at home to determine the current power load. In addition, due to the low power consumption design requirement of a communication channel, the data refresh rate of the screen of a user display module is usually low, the discontinuous updating mechanism causes obvious lag in the screen display, the instantaneous abrupt change of the load (such as the starting moment of a high-power electric appliance) can not be responded in millisecond level like a physical pulse lamp, and the user can see data often in a few seconds or even tens of seconds before the load state, so that the understanding timeliness of the load state is reduced. Disclosure of Invention The invention aims to provide a split type electric energy meter system for indoor display of active pulse output, which can reconstruct a pulse flicker signal synchronous with an outdoor electric meter at an indoor display end, and can respond to instantaneous abrupt change of a load better in vision, so that a user can conveniently grasp the current instantaneous total power state of indoor electricity, and the timeliness of understanding the electricity load state is improved. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a split type electric energy meter system for indoor display of active pulse output comprises an outdoor surface body and a user display module; the outdoor meter body is used for metering electric energy data and sending metering parameters to the user display module, wherein the metering parameters at least comprise pulse constants and real-time active power; the user display module is in communication connection with the outdoor table body, and the user display module comprises: the communication unit is used for receiving the metering parameters sent by the outdoor meter body; The processing unit is connected with the communication unit and is used for calculating and obtaining an active pulse output frequency according to the received pulse constant and real-time active power and generating an active pulse driving signal based on the active pulse output frequency; And the active pulse lamp unit is connected with the processing unit and is used for responding to the active pulse driving signal to flash and displaying the current power load state. As a preferred aspect of the present invention, the specific formula for calculating and obtaining the output frequency of the active pulse by the processing unit is as follows: P=K×P_active/3600; Wherein P is the output frequency of active pulse, K is the pulse constant, and P_active is the real-time active power. As a preferred aspect of the present invention, the processing u