Embedded intelligent closestool electric energy metering module

Abstract

The utility model relates to the technical field of intelligent home, in particular to an embedded intelligent closestool electric energy metering module, which structurally consists of a bottom shell and a metering circuit board compared with the prior art, the metering circuit board is fixed on the bottom shell through potting epoxy resin, and the metering circuit board is fixed on the bottom shell through the potting epoxy resin. The metering module is mainly composed of a power supply, a main control chip, an isolation communication circuit and a metering chip on a circuit; the main control chip and the isolation communication circuit are responsible for deploying the working process of the metering chip, converting collected power grid data into readable digital information flow, and reporting the readable digital information flow to the upper computer through the isolation communication circuit. Wherein the isolation communication circuit can tolerate 4kV alternating current withstand voltage, so that the personal safety of a user in an interaction process with an upper computer is fully ensured; the metering chip is responsible for front-end power grid data acquisition and provides various electric energy parameters except the electric energy consumption condition for users.

Description

Technical Field

[0001] The utility model relates to the technical field of smart home, in particular to an embedded smart toilet power metering module. Background Art

[0002] With the popularization of smart toilet products, since they consume electricity, the electricity consumption is only an approximate data in the manufacturer's instructions when they leave the factory. There is a big difference between the actual usage of each person, and there is no way to conduct unified data statistics and adjustments, which brings confusion to users. There are common questions about electricity consumption in market user feedback. There are safety hazards in the external installation of metering sockets. In addition, the price of metering socket products is not low, and the measurement accuracy is generally around 2%, which is not accurate enough. Utility Model Content

[0003] In order to solve the defects and problems existing in the use of smart toilets in the prior art, an embedded smart toilet power metering module is provided.

[0004] The technical solution adopted by the utility model to solve its technical problems is: an embedded smart toilet electricity metering module of the utility model is structurally composed of a bottom shell and a metering circuit board, and the metering circuit board is fixed to the bottom shell by epoxy resin potting. The metering module is mainly composed of a power supply, a main control chip, an isolated communication circuit and a metering chip in terms of circuit; the main control chip and the isolated communication circuit are responsible for coordinating the work flow of the metering chip, and converting the collected power grid data into a readable digital information stream, and reporting it to the host computer through the isolated communication circuit; the isolated communication circuit can withstand 4kV AC withstand voltage, fully ensuring the personal safety of the user during the interaction with the host computer; the metering chip is responsible for front-end power grid data collection, and provides users with various power parameters in addition to power consumption.

[0005] The power supply is composed of safety capacitors and current-limiting resistors that can withstand dual 85 and 1000 hour tests, and epoxy resin is used to isolate the high-voltage part from the environment.

[0006] The beneficial effects of the present invention are as follows: compared with the prior art, the present invention provides an embedded smart toilet electricity metering module embedded in the smart toilet control circuit, which has low cost, high accuracy and digital communication functions. It is used to measure the amount of electricity consumed by the smart toilet product itself and convert it into readable data. Through the upper human-computer interaction interface, it provides users with intuitive and accurate power consumption information. At the same time, it also provides an effective solution to the long-standing power consumption disputes of smart toilet products. It provides a low-cost and high-accuracy solution for embedding metering functions in smart toilet products. By collecting electricity consumption information, it can expand smart Internet of Things and electricity safety monitoring, making homes smarter and electricity use more scientific. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The following is a further description of an embedded smart toilet power metering module of the present invention in conjunction with the accompanying drawings and specific implementation methods.

[0008] Figure 1 This is a schematic diagram of the circuit structure of an embedded smart toilet power metering module of the present utility model;

[0009] Figure 2 This is a schematic diagram of the module structure of an embedded smart toilet power metering module of the present utility model. DETAILED DESCRIPTION

[0010] like Figure 1 and Figure 2 As shown, the present invention presents an embedded smart toilet energy metering module. The module consists of a base housing and a metering circuit board, secured to the base housing via epoxy resin potting, ensuring reliable moisture and dust resistance. The metering module's circuitry primarily comprises a power supply, a main control chip, an isolated communication circuit, and a metering chip. The power supply, comprised of safety capacitors and current-limiting resistors capable of withstanding dual 85°C (1000-hour) tests, is potted with epoxy resin, offering both low cost and high reliability. The power supply isolates the high-voltage components from the environment, ensuring electrical safety. The main control chip and isolated communication circuit coordinate the metering chip's workflow and convert collected grid data into a readable digital information stream, which is then transmitted to a host computer via the isolated communication circuit. The isolated communication circuit is rated to withstand 4kV AC voltage, fully ensuring user safety during interaction with the host computer. The metering chip collects front-end grid data, achieving an accuracy of 1%, exceeding that of typical household electricity meters. Through calibration, this accuracy can be further enhanced. It can provide users with various power parameters in addition to power consumption, including but not limited to voltage, current, and power. It can also use this as a benchmark to expand the power environment monitoring function and connect to the home power management network to provide users with smart IoT services.

[0011] like Figure 1 and Figure 2 As shown in the figure, the power supply consists of: C7 is a safety capacitor that can withstand dual 85, 1000-hour tests. It and current-limiting resistor R19 together form the input AC voltage step-down circuit. Combined with varistor RV1 and voltage regulator D4, it enhances the power supply circuit's shock resistance. Rectifier D2, electrolytic capacitor C9, and voltage regulator U4 implement AC / DC conversion and diode step-down for the module power supply, providing a regulated power supply for the back-end control and communication circuits.

[0012] like Figure 1 and Figure 2As shown in the figure, the metering chip consists of a single-chip microcontroller U2, memory U3, and a dedicated metering chip U1, which together form the metering and data processing unit. By filtering, integrating, and performing analog-to-digital conversion on the current sampling signals of the power circuit, the voltage, current, power, and electricity signals during the power consumption process are converted into digital information for calculation, storage, and upload.

[0013] like Figure 1 and Figure 2 As shown in the figure, the isolated communication circuit consists of: the communication interface circuit is composed of optocouplers U7, U8 and several peripheral resistors and capacitors. The circuit has a 5000V AC withstand voltage capability, which fully ensures the safe isolation between the host computer interface and this module.

[0014] like Figure 1 and Figure 2 As shown in the figure, the workflow is as follows: the smart toilet's power input is through J1 and then transferred to the smart toilet control host through J2. Its power consumption information is acquired by the dedicated metering chip U1 and converted and calculated by the single-chip microcontroller U2. The single-chip microcontroller U2 then uploads the sorted power consumption data to the host computer through the communication interface J4. At the same time, a storage mechanism is used to save the user's historical power consumption data for future reference. The uploaded data can be displayed to the user through the host computer's human-computer interaction interface, allowing users to understand the smart toilet's power consumption in real time. The user can also query and track historical power consumption through the traceability mechanism.

[0015] In summary, compared with the existing technology, the utility model provides an embedded smart toilet electricity metering module embedded in the smart toilet control circuit part, which has low cost, high accuracy and digital communication functions. It is used to measure the amount of electricity consumed by the smart toilet product itself and convert it into readable data. Through the upper human-computer interaction interface, it provides users with intuitive and accurate power consumption information. At the same time, it also provides an effective solution to the long-standing power consumption disputes of smart toilet products. It provides a low-cost and high-accuracy solution for embedding metering functions in smart toilet products. By collecting electricity consumption information, it can expand smart Internet of Things and electricity safety monitoring, making homes smarter and electricity use more scientific.

[0016] The present invention has been described in an illustrative but not restrictive manner based on the embodiments of the present invention. However, it should be understood that the scope of protection of the present invention is not limited thereto. Without departing from the relevant scope of protection defined by the claims, those skilled in the art may make changes and / or modifications. Any modifications, equivalent substitutions, etc. based on this should be included in the scope of protection of the present invention.

Claims

1. An embedded smart toilet power metering module, characterized by: The metering module is structurally composed of a base shell and a metering circuit board, which is fixed to the base shell by epoxy resin potting. The metering module mainly consists of a power supply, a main control chip, an isolated communication circuit, and a metering chip. The main control chip and isolated communication circuit are responsible for coordinating the workflow of the metering chip and converting the collected power grid data into a readable digital information stream, which is reported to the host computer via the isolated communication circuit. The isolated communication circuit can withstand 4kV AC withstand voltage, fully ensuring the personal safety of users during interaction with the host computer; the metering chip is responsible for front-end power grid data collection, providing users with various power parameters in addition to power consumption.

2. The embedded smart toilet power metering module according to claim 1, characterized in that: The power supply is composed of safety capacitors and current-limiting resistors that can withstand dual 85 and 1000 hour tests, and epoxy resin is used to isolate the high-voltage part from the environment.

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