CN210427667U - Single-phase multi-functional electric quantity monitoring instrument based on thing networking - Google Patents
Single-phase multi-functional electric quantity monitoring instrument based on thing networking Download PDFInfo
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- CN210427667U CN210427667U CN201921214449.2U CN201921214449U CN210427667U CN 210427667 U CN210427667 U CN 210427667U CN 201921214449 U CN201921214449 U CN 201921214449U CN 210427667 U CN210427667 U CN 210427667U
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Abstract
The utility model provides a single-phase multi-functional electric quantity monitoring instrument based on thing networking, including three-layer circuit board, thing networking communication module, singlechip, power indicator, alarm state pilot lamp, communication state pilot lamp, Flash chip, mutual-inductor, power module, electric quantity acquisition module; the three layers of circuit boards are respectively from the first layer to the third layer from bottom to top, and the three layers of circuit boards are connected with each other through the lengthened pin header and the lengthened pin header. The utility model integrates the functions of power supply, acquisition and communication; the voltage, current, power, leakage current and electric power real-time data can be synchronously acquired; monitoring and alarming electricity consumption abnormal states such as electric leakage, current/voltage overrun and the like in real time; the system has the advantages of low cost, small volume and convenient installation, and meets the power utilization safety monitoring requirements of single-phase electric fields such as household users.
Description
Technical Field
The utility model relates to a power monitoring technology with circuit, concretely relates to single-phase multi-functional power monitoring instrument based on thing networking.
Background
With the rapid development of social economy, the social electrification degree is continuously improved, the application range of electric appliances is wider and wider, the electrical safety hidden dangers are gradually increased, electrical fires are more and more frequent due to line short circuit, overload or electric leakage and the like, and the losses are heavy. Therefore, the safety prevention and control of the electrical fire are not slow enough, and the current advanced prevention and control measures are more than the mode of monitoring the electrical fire through the Internet of things platform, and the safety state of the power utilization line is monitored in real time through the Internet of things collection instrument terminal. With the intelligent development of an electric power system, the internet of things collection instrument tends to develop towards intellectualization, multifunction, miniaturization and application place diversification. The current internet of things collection instrument in the market is mostly three-phase, expensive in price and large in size, and cannot be suitable for individual family users; the traditional single-phase instrument has single function, cannot realize the functions of power supply, acquisition and communication at the same time, and cannot monitor the electricity leakage, the current/voltage overrun and other electricity utilization abnormalities in real time.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a single-phase multifunctional electric quantity monitoring instrument based on the Internet of things, which integrates the functions of power supply, acquisition and communication; the voltage, current, power, leakage current and electric power real-time data can be synchronously acquired; monitoring and alarming electricity consumption abnormal states such as electric leakage, current/voltage overrun and the like in real time; the volume is small, the installation is convenient, and the application requirements of single-phase electric fields such as family users are met.
In order to solve the technical problem, the utility model discloses a technical scheme is: a single-phase multifunctional electric quantity monitoring instrument based on the Internet of things is characterized by comprising three layers of circuit boards, an Internet of things communication module, a single chip microcomputer, a power indicator, an alarm state indicator, a communication state indicator, a Flash chip, a mutual inductor, a power module and an electric quantity acquisition module; the three layers of circuit boards are respectively from the first layer to the third layer from bottom to top, and the three layers of circuit boards are connected with each other through the lengthened pin header and the lengthened pin header.
The singlechip is integrated on the upper surface of the third layer circuit board and is connected with the electric quantity acquisition module on the second layer circuit board through the lengthened socket of the third layer circuit board and the lengthened pin header of the second layer circuit board; the Flash chip is connected with the single chip microcomputer and stores real-time data in an abnormal communication state of the communication module of the Internet of things; the Internet of things communication module is integrated on the lower surface of the third-layer circuit board and is connected with the single chip microcomputer circuit, so that the electric quantity data processed by the single chip microcomputer can be uploaded to the cloud platform; the power indicator light, the alarm state indicator light and the communication state indicator light are arranged on the upper surface of the third layer of circuit board;
the power indicator lamp is connected with the lengthened pin header on the lower surface of the third layer of circuit board, is connected to the power module of the first layer of circuit board through the lengthened pin header on the upper surface of the second layer of circuit board, the lengthened pin header on the lower surface of the second layer of circuit board and the lengthened pin header on the first layer of circuit board, and monitors the working state of the power module in real time;
the alarm state indicator lamp is connected with the single chip microcomputer, monitors the abnormal state of the collected electric quantity signal in real time, and conducts lighting alarm on the overrun state; the communication state indicator lamp is connected to the Internet of things communication module and monitors the communication state of the Internet of things communication module in real time;
the electric quantity acquisition module adopts a single-phase electric quantity metering chip, is integrated on the upper surface of the second layer circuit board, and is communicated with the single chip microcomputer and the power supply module through the lengthened busbar and the lengthened pin between the three layers of circuit boards; the mutual inductors are fixedly connected to two ends of the second layer circuit board, so that the instrument is installed in a live mode, and normal electricity utilization of users is not influenced;
the power supply module is integrated on the upper surface of the first layer of circuit board, and supplies power to other module units through the lengthened female pin header and the lengthened pin header between the three layers of circuit boards.
Further, the electric quantity acquisition module selects a RN8209D single-phase electric quantity metering chip, and the data capable of being acquired simultaneously comprises: voltage, current, power, leakage current, and electrical degree real-time data.
Furthermore, the single chip microcomputer adopts a single chip microcomputer with the model number of STM32F103C8T6 and 48 pins.
The utility model has the advantages that:
1. the cloud platform integrates power supply, acquisition and communication functions, can synchronously acquire real-time data of voltage, current, power, leakage current and electricity degree, and uploads the real-time data to the cloud platform in real time;
2. monitoring the electricity utilization safety state of a user in real time, and giving an alarm in real time on abnormal conditions such as current overrun, leakage overrun and voltage overrun;
3. the single-phase collection is realized, the volume is small, the installation is convenient, the cost is low, and the environment and economic requirements of small power boxes of single-phase electric fields such as family users are met;
4. the mutual inductor is arranged in the transformer, so that power failure is not required during installation, the operation is convenient, and the normal electricity utilization of an owner is not influenced;
5. the running parameters of the instrument can be set through a local or cloud platform, and the operation is flexible and convenient.
Drawings
The invention will be further explained below with reference to the drawings and examples.
Fig. 1 is a structural frame diagram of the present invention;
FIG. 2 is a schematic block diagram of the present invention;
FIG. 3 is a circuit diagram of the single chip microcomputer of the present invention;
fig. 4 is a circuit diagram of the communication module of the internet of things of the present invention;
fig. 5 is a circuit diagram of a power acquisition module according to the present invention;
fig. 6 is a circuit diagram of a power module of the present invention;
in the figure: 1. the circuit board, 2, thing networking communication module, 3, singlechip, 4, power indicator, 5, alarm state pilot lamp, 6, communication state pilot lamp, 7, Flash chip, 8, mutual-inductor, 9, power module, 10, extension row mother, 11, extension row needle, 12, terminal, 13 electric quantity acquisition module.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The following description of combining the figure is according to the utility model discloses single-phase multi-functional electric quantity monitoring instrument based on thing networking.
As shown in fig. 1, the single-phase multifunctional electric quantity monitoring instrument based on the internet of things comprises a three-layer circuit board 1, an internet of things communication module 2, a single chip microcomputer 3, a power indicator 4, an alarm state indicator 5, a communication state indicator 6, a Flash chip 7, a mutual inductor 8, a power module 9 and an electric quantity acquisition module 13; the three layers of circuit boards 1 are respectively a first layer to a third layer from bottom to top, and the three layers of circuit boards 1 are connected with each other through lengthened row pins 11 and lengthened row nuts 10;
the singlechip 3 is integrated on the upper surface of the third layer circuit board 1 and is connected with an electric quantity acquisition module 13 on the second layer circuit board 1 through an elongated pin header 10 of the third layer circuit board 1 and an elongated pin header of the second layer circuit board 1; the Flash chip 7 is connected with the singlechip 3 and stores real-time data in the abnormal communication state of the communication module 2 of the Internet of things; the internet of things communication module 2 is integrated on the lower surface of the third-layer circuit board 1 and is in circuit connection with the single chip microcomputer 3, so that electric quantity data processed by the single chip microcomputer 3 can be uploaded to the cloud platform; the power indicator lamp 4, the alarm state indicator lamp 5 and the communication state indicator lamp 6 are arranged on the upper surface of the third layer circuit board 1;
the power indicator lamp 4 is connected with the lengthened pin header 10 on the lower surface of the third layer circuit board 1, is connected with the power module 9 of the first layer circuit board 1 through the lengthened pin header 11 on the upper surface of the second layer circuit board 1, the lengthened pin header 10 on the lower surface and the lengthened pin header 11 on the first layer circuit board 1, and monitors the working state of the power module 9 in real time;
the alarm state indicator lamp 5 is connected with the singlechip 3, monitors the abnormal state of the collected electric quantity signal in real time, and lights up the alarm for the abnormal state;
the communication state indicator lamp 6 is connected to the internet of things communication module 2 and monitors the communication state of the internet of things communication module 2 in real time;
the electric quantity acquisition module 13 adopts a single-phase electric quantity metering chip, is integrated on the upper surface of the second-layer circuit board 1, and is communicated with the singlechip 3 and the power module 9 through the lengthened socket nuts 10 and the lengthened pin headers 11 among the three-layer circuit board 1; the mutual inductors 8 are fixedly connected to two ends of the second layer circuit board 1, so that the instrument is installed in a live mode, and normal electricity utilization of users is not influenced;
the power module 9 is integrated on the upper surface of the first layer of circuit board 1, and supplies power to other module units through the lengthened row bus 10 and the lengthened row pin 11 between the three layers of circuit boards 1.
The utility model discloses an embodiment, electric quantity acquisition module 13 choose for use the single-phase electric quantity measurement chip of RN8209D, the data that can gather simultaneously include: voltage, current, power, leakage current, and electrical degree real-time data.
In an embodiment of the present invention, the single chip microcomputer 3 adopts a single chip microcomputer whose model is STM32F103C8T6, 48 pins.
With reference to fig. 1 and fig. 2, the working principle of the present invention is: after the power module 9 is connected with single-phase power, 5VDC is output through an AC/DC circuit and converted into DC4V, and the power acquisition module 13, the Internet of things communication module 2 and the singlechip 3 are respectively supplied with power; two poles of the single-phase electricity respectively penetrate through the two mutual inductors 8 through the wiring terminals 12 and then are connected to the electricity collecting module 13, the single chip microcomputer 3 reads real-time data of voltage, current, power, leakage current and electricity degree collected by the electricity collecting module 13, analysis and processing are carried out on the data, the data are compared with parameter limit values in the single chip microcomputer 3, real-time alarm is carried out when the data exceed the limit values, the alarm state indicating lamp 5 is triggered to work, and the state is normally on. The single chip microcomputer 3 uploads signals to the cloud platform through the internet of things communication module 2, and functions of real-time display, alarming, inquiring, power consumption analysis report and the like are achieved. When the communication of the internet of things communication module 2 is abnormal, the Flash chip 7 works to store the voltage, current, power, leakage current and electric power real-time data in the abnormal communication state, and when the communication is recovered to be normal, the Flash chip 7 uploads the stored data to the cloud platform, so that the integrity of the cloud platform receiving data is ensured, and the accuracy of the power utilization safety analysis model is improved.
As shown in fig. 3, fig. 3 is a circuit diagram of a single chip microcomputer 3 with model number STM32F103C8T6 and 48 pins, and the single chip microcomputer 3 is mainly responsible for reading electric quantity data from the electric quantity acquisition module 13, analyzing and processing the electric quantity data, and sending the electric quantity data to the internet of things communication module 2 through a serial port UART 3.
As shown in fig. 4, fig. 4 is a circuit diagram of the communication module 2 of the internet of things with model number SIM800C, and the circuit diagram receives data transmitted by the single chip microcomputer 3 through the serial port UART1, transmits the data to the mobile base station through the GSM antenna, and transmits the data to the cloud platform.
As shown in fig. 5, fig. 5 is a circuit diagram of the electric quantity acquisition module 13, and the electric quantity acquisition module 13 acquires a current signal, a leakage current signal, and a voltage signal through the current transformer and the resistance voltage-dividing circuit, calculates to obtain an effective value of a measurement signal, and transmits the effective value to the single chip microcomputer 3.
As shown in fig. 6, fig. 6 is a circuit diagram of the power module 9, the AC220V is converted into DC5V by the ACDC module, and the DC5V is converted into DC4V by the voltage stabilizing chip LM2596S-ADJ, so as to supply power to the single chip microcomputer 3, the electric quantity acquisition module 13 and the communication module 2 of the internet of things.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (3)
1. The single-phase multifunctional electric quantity monitoring instrument based on the Internet of things is characterized by comprising three layers of circuit boards (1), an Internet of things communication module (2), a single chip microcomputer (3), a power indicator (4), an alarm state indicator (5), a communication state indicator (6), a Flash chip (7), a mutual inductor (8), a power module (9) and an electric quantity acquisition module (13); the three layers of circuit boards (1) are respectively from the first layer to the third layer from bottom to top, and the three layers of circuit boards (1) are connected with a lengthened row bus bar (10) through a lengthened row pin (11); the singlechip (3) is integrated on the upper surface of the third layer circuit board (1) and is connected with an electric quantity acquisition module (13) on the second layer circuit board (1) through a lengthened row bus (10) of the third layer circuit board (1) and a lengthened row pin of the second layer circuit board (1); the Flash chip (7) is connected with the singlechip (3) and stores real-time data in an abnormal communication state of the Internet of things communication module (2); the Internet of things communication module (2) is integrated on the lower surface of the third-layer circuit board (1) and is in circuit connection with the single chip microcomputer (3), so that electric quantity data processed by the single chip microcomputer (3) can be uploaded to the cloud platform; the power supply indicator lamp (4), the alarm state indicator lamp (5) and the communication state indicator lamp (6) are arranged on the upper surface of the third layer circuit board (1);
the power supply indicator lamp (4) is connected with the lengthened socket nut (10) on the lower surface of the third layer of circuit board (1), and is connected with the power supply module (9) of the first layer of circuit board (1) and the working state of the power supply module (9) monitored in real time through the lengthened socket nut (11) on the upper surface of the second layer of circuit board (1), the lengthened socket nut (10) on the lower surface and the lengthened socket nut (11) on the first layer of circuit board (1); the alarm state indicator lamp (5) is connected with the singlechip (3), monitors the abnormal state of the collected electric quantity signal in real time, and lights up the alarm for the overrun state;
the communication state indicator lamp (6) is connected to the Internet of things communication module (2) and monitors the communication state of the Internet of things communication module (2) in real time;
the electric quantity acquisition module (13) adopts a single-phase electric quantity metering chip, is integrated on the upper surface of the second-layer circuit board (1), and is communicated with the singlechip (3) and the power module (9) through the lengthened busbar (10) and the lengthened pin (11) among the three-layer circuit board (1); the mutual inductors (8) are fixedly connected to two ends of the second layer circuit board (1), so that the instrument is installed in a charged mode, and normal electricity utilization of users is not influenced;
the power module (9) is integrated on the upper surface of the first layer of circuit board (1), and supplies power to other module units through the lengthened row bus bar (10) and the lengthened row pin (11) between the three layers of circuit boards (1).
2. The single-phase multifunctional electric quantity monitoring instrument based on the internet of things according to claim 1, characterized in that: the electric quantity acquisition module (13) selects a RN8209D single-phase electric quantity metering chip, and simultaneously acquired data comprise: voltage, current, power, leakage current, and electrical degree real-time data.
3. The single-phase multifunctional electric quantity monitoring instrument based on the internet of things according to claim 1, characterized in that: the single chip microcomputer (3) adopts a single chip microcomputer with the model number of STM32F103C8T6 and 48 pins.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921214449.2U CN210427667U (en) | 2019-07-30 | 2019-07-30 | Single-phase multi-functional electric quantity monitoring instrument based on thing networking |
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| CN201921214449.2U CN210427667U (en) | 2019-07-30 | 2019-07-30 | Single-phase multi-functional electric quantity monitoring instrument based on thing networking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983352A (en) * | 2020-08-17 | 2020-11-24 | 江苏昂内斯电力科技股份有限公司 | Wisdom is gathered detector with electric networking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983352A (en) * | 2020-08-17 | 2020-11-24 | 江苏昂内斯电力科技股份有限公司 | Wisdom is gathered detector with electric networking |
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