CN214672263U

CN214672263U - Small-sized switch for Internet of things

Info

Publication number: CN214672263U
Application number: CN202121328747.1U
Authority: CN
Inventors: 陈跃松; 陈明
Original assignee: Yueqing Speed Through Electric Co ltd
Current assignee: Yueqing Speed Through Electric Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-09
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a small-sized switch of the internet of things, which comprises a shell and a circuit board arranged in the shell; the front side of the shell is provided with a manual switch and a signal indicator lamp, the back side of the shell is provided with a clamping groove for fixedly connecting a guide rail, the upper part and the lower part of the shell are respectively provided with a plurality of wiring terminals, and the circuit board is integrated with a power supply module, a sampling module, a metering module, an MCU control module, a communication module and a reclosing module; the power supply module can supply power for other modules on the circuit board; and the reclosing module is connected between the wiring terminals on the upper side and the lower side. The utility model discloses the integrated level is high, and is small, can realize having the multiple protect function of circuit and can realize short-circuit fault tripping operation fast, have the thing networking switch of network communication, electric energy information acquisition function concurrently, satisfy voltage, the power that application fields such as dormitory, the room of hiring out in the school and require the circuit must be at the within range demand of regulation.

Description

Small-sized switch for Internet of things

Technical Field

The utility model relates to a technical field of the thing networking especially relates to a miniature thing networking switch.

Background

The traditional switch with the reclosing function is usually used for remote and unattended low-voltage distribution lines, is widely applied to various power utilization places such as transportation, industry, infrastructure, new energy, buildings, communication and the like, and although the basic requirements of the power utilization places such as overload protection, overvoltage and undervoltage protection, short circuit and the like can be met, most of the power utilization places cannot meet the information interconnection under the new situation. With the development of the internet of things and the smart grid, especially with the proposal of the concept of the national ubiquitous power internet of things, basic data is more and difficult to obtain, power distribution terminal equipment needs to have the functions of monitoring data, transmitting data and even independently metering, and power utilization information is transmitted to a background to be integrated and analyzed, which is a necessary trend of intellectualization of sensing layer equipment. At present, most of existing reclosure switches only have a traditional circuit protection function, a small part of reclosure switches have a communication function, interactive experience is incomplete, the subentry electric energy measurement of an electric circuit is not supported, technical bases such as power demand side management are not developed, a user can not be queried on power consumption information, the intelligent degree is not high, and the development trend of the power internet of things can not be met. In application fields such as school dormitories, rental houses and the like, the voltage and the power of a circuit are required to be within a specified range, however, the existing reclosing switch has no functions of charging and power monitoring, the size of the existing reclosing switch is required to be small, the number of connected electric appliances is large, but the existing reclosing switch is relatively large in size and can only be connected to and control a single electric appliance, and therefore the size of the whole electric system is large, and wiring is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a miniature thing networking switch, measure and protect the electrical apparatus power consumption, support remote operation to carry out the divide-shut brake operation.

The utility model provides a technical scheme that its technical problem adopted: a small-sized switch of the Internet of things comprises a shell and a circuit board arranged in the shell; the front side of the shell is provided with a manual switch and a signal indicator lamp, the back side of the shell is provided with a clamping groove for fixedly connecting a guide rail, the upper part and the lower part of the shell are respectively provided with a plurality of wiring terminals, and the circuit board is integrated with a power supply module, a sampling module, a metering module, an MCU control module, a communication module and a reclosing module; the power supply module can supply power for other modules on the circuit board; the reclosing module is connected between the wiring terminals on the upper side and the lower side and is electrically connected with the MCU control module, the MCU control module is connected with the signal indicator lamp, the manual switch and the communication module, the input end of the sampling module is connected with the wiring terminals, the output end of the sampling module is electrically connected with the input end of the metering module, and the output end of the metering module is electrically connected with the MCU control module.

Further perfect, binding post is including setting up the wiring hole at the positive binding screw of casing and casing terminal surface, and binding post's quantity respectively is equipped with two respectively from top to bottom at least, and adjacent wiring hole staggers the setting each other.

Further perfecting, the reclosing module is an electromagnetic relay switch; the manual switch adopts a button light touch switch or an inductive switch; the communication module comprises a WiFi communication module.

Further perfection, the top of shell is equipped with the power data interface, the power data interface is used for power module to connect the commercial power and the output data of measurement module, and the power data interface adopts 485 interfaces or 433 interfaces.

Further perfection, the lower part slidable mounting of shell has the buckle strip, and the one end and the draw-in groove intercommunication of buckle strip are used for dismantling fixed connection guide rail.

Further perfection, the sampling module comprises a current detection module, a voltage detection module and a power detection module; the current detection module is used for collecting overload current, leakage current signals and short-circuit large-current signals; the voltage detection module is used for collecting over-voltage and under-voltage signals; the power detection module is used for collecting power change signals.

The power module comprises a voltage conversion unit and a filtering rectification unit, the output end of the voltage conversion unit is connected with the input end of the filtering rectification unit, and the output end of the filtering rectification unit is connected with the input end of the MCU control module and the input end of the acquisition module.

Further perfect, the front of shell is equipped with the bellying, and the bellying is provided with on the surface hand switch and signal indication lamp are equipped with gliding protective cover from top to bottom on the bellying, the bottom of bellying is equipped with the hasp that is used for the padlock, and the bottom of protective cover is equipped with the through-hole with hasp complex.

The utility model discloses profitable effect is: the utility model integrates a power module, a sampling module, a metering module, an MCU control module, a communication module and a reclosing module on a circuit board; the power supply module can supply power for other modules on the circuit board; the reclosing module is connected between the wiring terminals on the upper side and the lower side and is electrically connected with the MCU control module, the MCU control module is connected with the signal indicator lamp, the manual switch and the communication module, the input end of the sampling module is connected with the wiring terminals, the output end of the sampling module is electrically connected with the input end of the metering module, and the output end of the metering module is electrically connected with the MCU control module; the problems that the existing automatic reclosing switch does not have electric quantity metering, does not support remote operation, does not support continuous voltage and leakage protection can be solved; the integrated level is high, and is small, can realize having the multiple protect function of circuit and can realize that short circuit fault trips fast, have the thing networking switch of network communication, electric energy information acquisition function concurrently. The requirements of voltage and power of the circuit in application fields such as school dormitories, rental houses and the like are met, the number of the connected electric appliances is large, wiring is convenient, a plurality of electric appliances can be controlled, and therefore the size of the whole electric system is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the utility model with the anti-slip cover;

fig. 3 is a schematic diagram of a circuit structure of the circuit board of the present invention;

description of reference numerals: 1. shell, 2, manual switch, 3, pilot lamp, 4, draw-in groove, 5, binding post, 6, power data interface, 7, buckle strip, 8, protective cover, 10, through-hole.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to figure 1: the small-sized Internet of things switch comprises a shell 1 and a circuit board arranged in the shell 1; the front side of the shell 1 is provided with a manual switch 2 and a signal indicator lamp 3, the back side of the shell 1 is provided with a clamping groove 4 for fixedly connecting a guide rail, the upper part and the lower part of the shell 1 are respectively provided with a plurality of wiring terminals 5, and as shown in the attached drawing 3, the circuit board is integrated with a power supply module, a sampling module, a metering module, an MCU control module, a communication module and a reclosing module; the power supply module can supply power for other modules on the circuit board; be connected with between the binding post 5 on upper and lower both sides the reclosing module, the reclosing module is connected with MCU control module electricity, supports remote operation to carry out the divide-shut brake operation, conveniently cuts off the power supply, MCU control module connects signal indicator 3, hand switch 2 and communication module, and hand switch 2 can manual input switching signal, carries out the divide-shut brake operation to the reclosing module, and signal indicator 3 is used for information interaction, can send out the light scintillation and indicate switch circular telegram or trouble, binding post 5 is connected to sampling module's input, sampling module's output with metering module's input electricity is connected, metering module's output and MCU control module electricity are connected. The switch of the internet of things has a metering function, can realize the metering of parameters such as active power, reactive power and power factor of electric equipment, and is convenient for a user to charge, analyze energy consumption and find energy-saving opportunities. The metering module processes data, the upper limits of power consumption and electricity consumption can be set remotely, instructions are directly sent to the reclosing module without being analyzed and judged by the MCU module, the execution module trips, judgment and calculation within 3 microseconds and breaking within 20 milliseconds at the longest can be realized, microsecond-level extreme speed judgment and calculation of signals are realized, the time consumption of the whole process of an overload breaking circuit is extremely short, and rapid breaking is realized. The communication module can send out an alarm to a system of the monitoring center, so that an electrical fire is effectively prevented.

Further perfect, binding post 5 respectively is equipped with two about at least including setting up the wiring hole at the positive binding screw of casing and casing terminal surface of casing, binding post 5's quantity, and adjacent wiring hole staggers the setting each other, and the integrated level is high, and is small, inserts electrical apparatus in large quantity, and the wiring is convenient, can control a plurality of electrical apparatus to reduce whole electrical system volume.

The reclosing module is an electromagnetic relay switch and can perform opening and closing operations on the multi-path circuits simultaneously or separately; the manual switch 2 adopts a button touch switch or an inductive switch; make things convenient for the old man to control, communication module includes wiFi communication module, can connect the thing networking, realizes uploading in real time and monitoring of data. The WiFi communication module is used for receiving and sending Wi-Fi signals to realize communication between the intelligent terminal and the MCU module, the MCU module communication is a core intelligent control part of the switch of the Internet of things and is used for receiving data, analyzing and processing the data, then networking the WiFi communication module and the server, and sending and receiving data and instructions of the server. The WiFi communication module and the MCU module can be implemented by the same integrated chip, or can be implemented by separate chips, and implemented by an integrated chip, such as RTL8711AF or ESP8266 chips of Realtek. The hardware devices are fewer, the cost is lower, and the whole structure is smaller. The top of shell 1 is equipped with power data interface 6, power data interface 6 is used for power module to connect the commercial power and measures module output data, and power data interface 6 adopts 485 interfaces or 433 interfaces. The lower part slidable mounting of shell 1 has buckle strip 7, and the one end and the draw-in groove 4 intercommunication of buckle strip 7 for can dismantle the fixed connection guide rail, make things convenient for thing networking switch and standard guide rail to be connected.

The sampling module comprises a current detection module, a voltage detection module and a power detection module; the current detection module is used for collecting overload current, leakage current signals and short-circuit large-current signals; the voltage detection module is used for collecting over-voltage and under-voltage signals; the power detection module is used for collecting power and frequency change signals, and by arranging the power detection module, the voltage and frequency process of the main circuit can be monitored in real time, and reclosing action is executed under the condition that the voltage and frequency are normal, besides instantaneous fault protection of overload, overvoltage and undervoltage, leakage current, lightning stroke and the like of the circuit can be realized; and the reclosing of long-time voltage and frequency faults is supported.

The power module comprises a voltage conversion unit and a filtering rectification unit, the output end of the voltage conversion unit is connected with the input end of the filtering rectification unit, and the output end of the filtering rectification unit is connected with the input end of the MCU control module and the input end of the acquisition module. The voltage conversion unit is realized by adopting an AC-DC switching power supply and is used for converting alternating current 220V mains supply into a 5V power supply required by the whole Internet of things switch and providing power for the mainboard; the filter rectifying unit is used for rectifying and filtering the converted voltage

As shown in fig. 2, the front of shell 1 is equipped with the bellying, and the bellying is provided with on the surface manual switch 2 and signal indication lamp 3 are equipped with gliding protective cover 8 from top to bottom on the bellying, be equipped with the direction sand grip on the protective cover 8 inside, direction sand grip and bellying direction recess cooperation sliding connection on the surface, the bottom of bellying is equipped with the hasp 9 that is used for the padlock, and the bottom of protective cover 8 is equipped with and hasp 9 complex through-hole 10, and protective cover 8 can slide from top to bottom, realizes hiding and showing manual switch 2, and when the protective cover closed, can carry out the padlock to hasp 9, through local locking, avoid other people to destroy and the maloperation to the switch, ensure the safety that the cable overhauld.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. A small-sized switch of the Internet of things is characterized in that: comprises a shell (1) and a circuit board arranged in the shell (1); the front side of the shell (1) is provided with a manual switch (2) and a signal indicator lamp (3), the back side of the shell (1) is provided with a clamping groove (4) for fixedly connecting a guide rail, the upper part and the lower part of the shell (1) are respectively provided with a plurality of wiring terminals (5), and the circuit board is integrated with a power supply module, a sampling module, a metering module, an MCU control module, a communication module and a reclosing module; the power supply module can supply power for other modules on the circuit board; the reclosing module is connected between the wiring terminals (5) on the upper side and the lower side and is electrically connected with the MCU control module, the MCU control module is connected with the signal indicator lamp (3), the manual switch (2) and the communication module, the wiring terminals (5) are connected with the input end of the sampling module, the output end of the sampling module is electrically connected with the input end of the metering module, and the output end of the metering module is electrically connected with the MCU control module.

2. The small-sized switch of the internet of things as claimed in claim 1, wherein: binding post (5) respectively are equipped with two about at least including setting up at the positive binding screw of casing and the wiring hole of casing terminal surface binding post (5), and adjacent wiring hole staggers the setting each other.

3. The small-sized switch of the internet of things as claimed in claim 2, wherein: the reclosing module is an electromagnetic relay switch; the manual switch (2) adopts a button touch switch or an inductive switch; the communication module comprises a WiFi communication module.

4. A small-sized switch of internet of things according to claim 3, wherein: the top of shell (1) is equipped with power data interface (6), power data interface (6) are used for power module to connect the commercial power and measure module output data, and power data interface (6) adopt 485 interfaces or 433 interfaces.

5. The small-sized switch of the internet of things as claimed in claim 4, wherein: the lower part of the shell (1) is provided with a buckle strip (7) in a sliding manner, and one end of the buckle strip (7) is communicated with the clamping groove (4) and is used for dismounting the fixed connection guide rail.

6. The small-sized switch of the internet of things as claimed in claim 5, wherein: the sampling module comprises a current detection module, a voltage detection module and a power detection module; the current detection module is used for collecting overload current, leakage current signals and short-circuit large-current signals; the voltage detection module is used for collecting over-voltage and under-voltage signals; the power detection module is used for collecting power change signals.

7. The small-sized switch of the internet of things as claimed in claim 6, wherein: the power module comprises a voltage conversion unit and a filtering rectification unit, the output end of the voltage conversion unit is connected with the input end of the filtering rectification unit, and the output end of the filtering rectification unit is connected with the input end of the MCU control module and the input end of the acquisition module.

8. The small-sized switch of the internet of things as claimed in claim 6, wherein: the front of shell (1) is equipped with the bellying, and the bellying is provided with on the surface hand switch (2) and signal indication lamp (3) are equipped with gliding protective cover (8) from top to bottom on the bellying, the bottom of bellying is equipped with hasp (9) that are used for the padlock, and the bottom of protective cover (8) is equipped with through-hole (10) with hasp (9) complex.