CN214375199U

CN214375199U - Electric power monitoring devices and system based on family

Info

Publication number: CN214375199U
Application number: CN202022761834.8U
Authority: CN
Inventors: 宣茜凡; 欧朱建
Original assignee: Nantong Power Supply Co Of State Grid Jiangsu Electric Power Co; Nantong Tongming Group Co ltd
Current assignee: Nantong Power Supply Co Of State Grid Jiangsu Electric Power Co; Nantong Tongming Group Co ltd; Nantong Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-10-08
Anticipated expiration: 2030-11-25

Abstract

The utility model provides an electric power monitoring devices and system based on family, electric power monitoring devices include shell and earthing device, the shell is inside to contain processor module, alarm module, electric power monitoring modules, wireless transmission receiver and relay, electric power monitoring devices transmits the AD converter to the information monitoring, and the AD converter turns into digital signal with analog signal and transmits the processor module, and processor module passes through wireless transmission receiver with information and conveys to PC, and PC reachs the result and transmits the result for the wireless transmission receiver of the electric power monitoring devices who will control through the transmission receiver through the contrastive analysis with inside setting amount, and the singlechip in the processor module passes through the DA converter with the result and converts digital signal into analog signal control the relay with alarm module. The utility model discloses can solve the electric power monitoring of domestic consumer and control consumer's circuit, reduce the safety problem because of transshipping the bringing.

Description

Electric power monitoring devices and system based on family

Technical Field

The utility model belongs to the technical field of electric power detects, in particular to electric power monitoring devices and system based on family.

Background

In the era of being full of electrical appliances everywhere, the types of household electrical appliances are more and more, the household power consumption is also more and more, the electrical appliance power consumption safety problem in the family is an important problem in the present society, the analysis and the control of the power consumption load of the electrical appliances are more and more paid attention to people, whether the electrical appliances are overloaded or not, and the damage of the overload to the electrical appliances and circuits is great, so that a power monitor is needed to monitor the power consumption conditions of the household circuits and the electrical appliances, and the occurrence of power consumption safety accidents can be stopped by controlling the electrical appliances after monitoring and analyzing. Many power monitoring devices have been developed, but most of them are monitoring devices for power grid, so that it is considered to make a power monitoring device and a monitoring system for home use.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric power monitoring devices and system based on family can solve the electric power monitoring of domestic consumer and control consumer's circuit, reduces the safety problem because of transshipping the bringing.

The utility model relates to a family-based electric power monitoring device, which comprises a shell and an earthing device, wherein the earthing device is electrically connected with the shell, the shell internally comprises a processor module, an alarm module, an electric power monitoring module, a wireless transmission receiver and a relay, wherein the processor module comprises a singlechip and a DA converter, the singlechip is electrically connected with the DA converter, the DA converter is electrically connected with the relay and the alarm module, the alarm module comprises a buzzer and a multicolor lamp, the DA converter is electrically connected with the buzzer and the multicolor lamp, the singlechip is connected with the wireless transmission receiver and is in double-phase connection, the electric power monitoring module comprises an electromagnetic inductor and an AD converter, the output end of the electromagnetic inductor is electrically connected with the input end of the AD converter, the output end of the AD converter is electrically connected with the single chip microcomputer, the relays are two groups of relays with the electrical characteristic of 250V2A, a first movable contact and a second movable contact of each relay are electrically connected with a power line, a first static contact and a second static contact of each relay are connected with the power input end of electric equipment, the first movable contact and the second movable contact of each relay are in a normally closed state, the power supply is connected with the electric equipment, and the electric equipment can be disconnected with the power supply after the relays are attracted.

Furthermore, the multicolor lamp has red light and green light, the green light is lightened when the circuit normally operates, the red light is lightened when a fault occurs, and the buzzer makes a sound.

Further, the monitoring system comprises one or more power monitoring devices and at least one PC, wherein the PC is provided with a receiving and transmitting device.

Furthermore, the electric power monitoring device is installed between a power supply and electric equipment, the electric power monitoring device transmits monitored information to the AD converter through the voltage, current, voltage average value and power of the induction circuit of the electromagnetic inductor, the AD converter converts analog signals into digital signals and transmits the digital signals to the processor module, the processor module transmits the information to the PC through a wireless transmission receiver, the PC obtains results through comparison and analysis with internal setting quantity and transmits the results to the wireless transmission receiver of the electric power monitoring device to be controlled through the transmission receiver, and the single chip microcomputer in the processor module converts the results into analog signals through the DA converter to control the relay and the alarm module.

Furthermore, all the electric power monitoring devices installed in a family are observed on the PC, the switch of the electric power monitoring devices is controlled on the PC, and then the attraction and the release of the relay are controlled, so that the function of controlling the electric equipment is achieved.

Furthermore, the power monitoring device can monitor whether the circuit is normal only when the electric equipment is started, the circuit is monitored once every other time period, and the circuit is in a dormant state in the rest time.

Further, the power monitoring module carries out voltage monitoring, current monitoring and power monitoring, average values of voltage, current and power are respectively monitored, if the power monitored by the power monitoring module is between 85% and 110% of a rated value of the electric equipment, the circuit normally operates, and the multicolor lamp is turned on; if the power monitored by the power monitoring module is more than 110% of the rated value of the electric equipment or less than 85% of the rated value of the electric equipment, the relay is closed, the electric equipment is powered on and off, the multicolor red light is turned on, and the buzzer gives an alarm.

Further, if the electric power monitoring module monitors that the current value is too large, the electric equipment is short-circuited, at the moment, the relay can be immediately attracted to a disconnection circuit, the buzzer sounds, the multicolor lamp is bright red, and meanwhile, a short-circuit character can be displayed on the PC; if the power monitoring module cannot monitor the voltage and the current all the time when the power supply is connected, the power supply is disconnected, the buzzer sounds, the multicolor lamp is bright red, and meanwhile, the character of power supply disconnection is displayed on the PC; if the current and the voltage are monitored, but the electric equipment does not work, the internal circuit of the electric equipment is broken, the buzzer sounds, the multicolor lamp is bright red, and the word of the broken circuit of the electric equipment is displayed on the PC.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a household-based power monitoring device according to the present invention;

fig. 2 is the utility model relates to a power monitoring system's work flow chart based on family.

In the figure: 1. a housing; 2. a processor module; 3. a power monitoring module; 4. a wireless transfer receiver; 5. an alarm module; 6. A relay; 7. a grounding device; 201. a single chip microcomputer; 202. a DA converter; 301. an electromagnetic inductor; 302. an AD converter; 501. a multi-colored lamp; 502. a buzzer.

Detailed Description

The following describes in detail a specific embodiment of a household-based power monitoring device and system according to the present invention with reference to the accompanying drawings.

As shown in fig. 1, the power monitoring device of the present invention comprises a housing 1, wherein a processor module 2, a power monitoring module 3, a wireless transmission receiver 4, an alarm module 5 and a relay 6 are arranged inside the housing 1, an earthing device 7 is arranged outside the housing 1, a single chip microcomputer 201 and a DA converter 202 are arranged inside the processor module, the DA converter 202 is electrically connected to the relay 6, the DA converter 202 is electrically connected to a multicolor lamp 501 and a buzzer 502 in the alarm device 5, the wireless transmission receiver 4 is electrically connected to the single chip microcomputer 201, an electromagnetic inductor 301 and an AD converter 302 are arranged inside the power monitoring device 3, an output port of the electromagnetic inductor 301 is electrically connected to an input port of the AD converter 302, an output port of the AD converter 302 is electrically connected to the single chip microcomputer 201, and the earthing device 7 is electrically connected to the housing 1 and connected to a ground wire, the multi-colored light 501 has two colors, red and green.

The relay 6 is two groups of relays with the electrical characteristic of 250V2A, wherein a first movable contact and a second movable contact of the relay 6 are electrically connected with a power line, a first fixed contact and a second fixed contact of the relay 6 are connected with an electric power input end of electric equipment, the first movable contact and the second movable contact of the relay 6 are in a normally closed state with the first fixed contact and the second fixed contact of the relay 6, the power supply is connected with the electric equipment, and the electric equipment can be disconnected with the power supply after the relay 6 is attracted.

As shown in fig. 2, the monitoring system includes one or more power monitoring devices and at least one PC, the PC is provided with a receiving and transmitting device, the power detecting device is installed between a power supply and a consumer, the power monitoring device induces the voltage, current, voltage average and power of a circuit through the electromagnetic induction device 301 to transmit monitored information to the AD converter 302, the AD converter 302 converts an analog signal into a digital signal to transmit the digital signal to the processor module 2, the processor module 2 transmits the information to the PC through the wireless transmission receiver 4, the PC obtains a result through analysis and comparison with an internal setting amount and transmits the information to the wireless transmission receiver 4 of the power monitoring device to be controlled through the transmission receiver, the single chip microcomputer 201 in the processor module 2 converts the digital signal into the analog signal through the DA converter 202 to control the wireless transmission receiver 4 of the power monitoring device to be controlled, and the single chip microcomputer 201 in the processor module 2 converts the digital signal into the analog signal through the DA converter 202 The relay 6 and the alarm module 5 can observe all the electric power monitoring devices installed in a family on the PC, and can manually control the switches of the electric power monitoring devices on the PC so as to control the on and off of the relay 6, thereby playing a role of controlling the electric equipment, the electric power monitoring devices can monitor whether a circuit is normal only when the electric equipment is turned on, monitor once every other time period, and the rest time is in a dormant state, the electric power monitoring module 3 monitors that the circuit normally runs if the power is between 85% and 110% of the rated value of the electric equipment, the multicolor lamp 501 in the alarm device 5 is bright green, if the power monitored by the electric power monitoring module 3 is more than 110% and less than 85% of the rated value of the electric equipment, the relay 6 is attracted and the electric equipment is powered on and off, the multi-color lamp 501 lights red and the buzzer 502 gives an alarm, if the electric power monitoring module 3 monitors that the current value is very large, which indicates that the short circuit is caused, the relay 6 can immediately attract the open circuit, the buzzer 502 sounds, the multi-color lamp 501 lights red, and can display short circuit characters on the PC at the same time, if the power is turned on the electric power monitoring module 3 can not monitor the voltage and the current all the time, at this time, the power supply open circuit characters can be displayed on the PC, if the current is monitored, but the electric appliance does not work, at this time, the electric appliance open circuit characters are displayed on the PC.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The household-based electric power monitoring device is characterized by comprising a shell and an earthing device, wherein the earthing device is electrically connected with the shell, the shell internally comprises a processor module, an alarm module, an electric power monitoring module, a wireless transmission receiver and a relay, the processor module comprises a single chip microcomputer and a DA (digital-to-analog) converter, the single chip microcomputer is electrically connected with the DA converter, the DA converter is electrically connected with the relay and the alarm module, the alarm module comprises a buzzer and a multicolor lamp, the DA converter is electrically connected with the buzzer and the multicolor lamp, the single chip microcomputer is connected with the wireless transmission receiver and is in two-phase connection, the electric power monitoring module comprises an electromagnetic inductor and an AD converter, the output end of the electromagnetic inductor is electrically connected with the input end of the AD converter, the output end of the AD converter is electrically connected with the single chip microcomputer, the relays are two groups of relays with the electrical characteristic of 250V2A, a first movable contact and a second movable contact of each relay are electrically connected with a power line, a first static contact and a second static contact of each relay are connected with the power input end of electric equipment, the first movable contact and the second movable contact of each relay are in a normally closed state, the power supply is connected with the electric equipment, and the electric equipment can be disconnected with the power supply after the relays are attracted.

2. The home-based power monitoring device of claim 1, wherein the multi-colored lights are red and green lights, the green light is on when the circuit is operating normally, the red light is on when there is a fault, and the buzzer sounds.

3. A home based power monitoring system, the monitoring system comprising one or more power monitoring devices as claimed in claim 1 or 2 and at least one PC, the PC having a receiving and transmitting means.

4. A home based power monitoring system according to claim 3, the power monitoring device is arranged between a power supply and electric equipment and transmits monitored information to the AD converter through the voltage, the current, the voltage average value and the power of the induction circuit of the electromagnetic inductor, the AD converter converts the analog signal into a digital signal and transmits the digital signal to the processor module, the processor module transmits the information to the PC through the wireless transmission receiver, the PC obtains a result through comparison and analysis with the internal setting amount and transmits the result to a wireless transmission receiver of the power monitoring device to be controlled through a transmission receiver, the single chip microcomputer in the processor module converts a digital signal into an analog signal through the DA converter to control the relay and the alarm module.