CN209979734U - Power consumption detection system - Google Patents

Abstract

The utility model discloses an electricity consumption detection system, comprising a plurality of distribution boxes, a monitoring unit and a mobile terminal; a plurality of distribution boxes are connected with the monitoring unit, and the monitoring unit is connected with the mobile terminal; the distribution box is provided with a plurality of cables, Clock circuit, hub, electrical signal collector and electrical signal processor; monitoring unit includes analyzer, database, display and communication module. When the utility model is applied, only one electrical signal processor is needed in the same distribution box to perform corresponding work, and the corresponding voltage signal can be collected, processed and obtained, and at the same time, different collection time intervals are set to mark the voltage signal. The source, that is, the specific dormitory number, the analyzer determines whether there is an abnormal situation, and if it occurs, it will send a notification to the mobile terminal through the display warning or through the communication module to avoid accidents.

Description

An electricity detection system

technical field

The utility model relates to the technical field of electricity consumption monitoring, in particular to an electricity consumption detection system.

Background technique

The electricity consumption in the dormitory has always been a major hidden danger to the safety of the dormitory, and when the circumstances are serious, it will lead to very serious consequences such as a fire in the dormitory. At present, the use of electricity in dormitories is managed by manual supervision, time-limited electricity and other methods. According to the statistical analysis of incomplete data, even if the difficulty of manual supervision, negligence and inconvenience for students are ignored, the number of fire cases in college dormitories caused by electricity each year remains high and is increasing rapidly. The security and property are posed a great threat, and it is a problem that needs to be solved urgently.

In view of the above technical problems, those skilled in the art have designed a detection system for electricity safety. By connecting current monitoring sensors in series on the power grid branches leading to each dormitory, the current situation of each dormitory is obtained, and the single-chip microcomputer connected to it determines the current Whether the threshold is exceeded, an alarm will be issued if the threshold is exceeded, thereby monitoring the electricity consumption of each dormitory. However, the structure of the above design is complex, and a current monitoring sensor needs to be set on the power grid branch of each dormitory, and each current monitoring sensor needs a single chip for corresponding work. The complex structure also increases unnecessary costs. .

Utility model content

In order to overcome the problems of complex structure and production cost of the power consumption safety detection system in the prior art, a simplified structure and real-time power consumption detection system is further provided.

The power consumption detection system of the utility model comprises several distribution boxes, monitoring units and mobile terminals; several distribution boxes are connected with the monitoring units, and the monitoring units are connected with the mobile terminals;

The distribution box is provided with multiple cables, a clock circuit, a hub, an electrical signal collector and an electrical signal processor, the output end of the hub, the clock circuit and the serial port of the electrical signal processor are connected, and the electrical signal processor is connected with the monitoring unit;

Each electrical signal collector is connected to its corresponding cable, and the magnetic signal of the cable is converted and amplified into electrical signals. The input end of the hub is connected to multiple electrical signal collectors, and the electrical signal processor is connected to the outputs of multiple hubs. The terminal is connected, and the clock circuit provides the clock signal for the electrical signal processor. The electrical signal processor samples different electrical signal collectors based on the time interval and converts the collected electrical signals into voltage signals. The electrical signal processor also stores power distribution. Box number, generate sampling signal according to voltage signal, clock signal and distribution box number and send it to monitoring unit;

The monitoring unit includes an analyzer, a database, a display, and a communication module. The database, the display, and the communication module are respectively connected to the analyzer. The database stores the mobile terminal contact information associated with the distribution box number.

The analyzer is connected to the electrical signal processor, receives the sampled signal, stores the sampled signal in the database, and analyzes the sampled signal. When the voltage signal in the sampled signal exceeds the set threshold, the analyzer will use the clock signal and the number of the distribution box. Determine the location information corresponding to the sampling signal, send the location information and voltage information to the display for display, read the contact information of the mobile terminal from the database according to the distribution box number, and send the location information to the mobile terminal through the communication module.

Using the above technical solution, the power grid branches of all dormitories on the first floor or one building are respectively connected to the corresponding electrical signal collectors through multiple cables in the distribution box, and the electrical signal collectors convert and amplify the magnetic signals output by the cables. It is an electrical signal. The obtained electrical signal is transmitted through the hub and output to the electrical signal processor for collection and processing. The output end of the hub, the clock circuit, and the serial port of the electrical signal processor are connected, and the clock circuit provides the electrical signal processor with a clock signal. The electrical signal processor collects the electrical signal within the corresponding time interval, generates a voltage signal and transmits it through the analyzer, and stores it in the database of the monitoring unit. The analyzer determines the corresponding position of the sampling signal according to the clock signal and the number of the distribution box. information, send the position information and voltage information to the display for display, the analyzer compares the voltage signal in the sampling signal with the initial threshold value, if the voltage signal is greater than the threshold value, and an abnormal situation occurs, it will send a notification to the display and the communication module. Display warnings for abnormal situations or notify monitoring personnel in real time through mobile terminals; the entire detection and processing process takes a short time, and real-time detection of changes in electricity consumption is carried out, so as to timely alarm for dangerous situations, and all dormitories on the first floor or a building only pass through one The electrical signal processor can complete the electrical signal processing and position marking, the structure is simplified, and the production cost is greatly saved.

Preferably, the electrical signal is a current signal of an alternating current.

Preferably, several distribution boxes are connected with the monitoring unit through a bus.

With the above technical solution, all distribution boxes are connected to the monitoring unit through the bus, and the analysis, processing and monitoring of all distribution boxes can be completed according to the work of one monitoring unit, which improves the utilization rate of equipment and saves production. cost and simplify the overall structure of the detection system.

Preferably, the monitoring unit and the mobile terminal are connected through a mobile network.

With the above technical solution, the mobile network does not require fixed equipment for access, and the monitoring unit can timely notify the relevant personnel of the abnormal results of the analysis through the mobile network, and take corresponding measures to avoid accidents such as dormitory fires.

Preferably, the electrical signal collector is a ZHT103 precision current transformer.

Using the above technical solution, the ZHT103 precision current transformer can convert and amplify the magnetic signal of the cable into the current signal of the alternating current, so that the electrical signal processor can process and transmit the real-time signal collected by the dormitory, and the signal Amplification processing is performed to avoid subsequent judgment errors caused by too small signal values, which greatly improves the accuracy and sensitivity of data collection.

Preferably, the electrical signal processor is an STM32 microcontroller.

Preferably, the analyzer is an STM32 microcontroller.

Using the above technical solution, the STM32 single-chip microcomputer has an ultra-high-precision 24-bit ADC chip, which processes the electrical signal to obtain a stable and effective voltage signal, and greatly reduces the amount of calculation and calculation time for later analysis and processing. Improve processing efficiency and realize real-time detection of electricity safety.

Preferably, the clock circuit is an M41TC8025 clock chip.

Using the above technical solutions, the M41TC8025 clock chip has the advantages of low power consumption, high precision and high stability. The M41TC8025 clock chip is connected to the electrical signal processor, which can provide accurate clock information for the electrical signal processor to ensure that the electrical signal processor can The sampling is carried out at the correct time interval, and the analyzer can correctly determine the location of the sampling signal according to the clock information provided by the M41TC8025 clock chip and the number of the distribution box, ensuring that the relevant dormitory can be accurately found when an abnormal situation occurs, avoiding accidents.

Preferably, the hub is a 485 hub.

Compared with the prior art, the utility model has the following beneficial effects:

In the same distribution box, only one electrical signal processor is needed to perform the corresponding work, and the corresponding voltage signal can be collected, processed and obtained. At the same time, the source of the voltage signal can be marked by setting different collection time intervals, that is, the specific dormitory number. In this way, all dormitories on the first floor or a building managed by the same distribution box only need one electrical signal processor to meet the working requirements. Compared with the prior art, each dormitory is equipped with a single chip microcomputer. In order to locate the specific dormitory, the structure is simpler, and it is convenient to transform the old dormitory building and save unnecessary costs.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the structural schematic diagram of the distribution box in the present utility model;

Fig. 3 is the structural representation of monitoring unit in the present utility model;

FIG. 4 is a schematic diagram of circuit connection of a dormitory building in an embodiment of the present invention.

Among them, 1 is the distribution box, 10 is the cable, 11 is the electrical signal collector, 12 is the electrical signal processor, 13 is the clock circuit, 14 is the hub, 2 is the monitoring unit, 20 is the database, 21 is the analyzer, 22 is a display, 23 is a communication module, and 3 is a mobile terminal.

Detailed ways

The specific embodiments of the present invention will be described below with reference to the accompanying drawings.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific details disclosed below. Example limitations.

As shown in FIG. 1 , the power consumption detection system of the present invention includes several distribution boxes 1 , monitoring units 2 and mobile terminals 3 ; several distribution boxes 1 are connected to the monitoring unit 2 , and the monitoring unit 2 is connected to the mobile terminal 3 .

As shown in FIG. 2, the distribution box 1 is provided with a plurality of cables 10, a clock circuit 13, a hub 14, an electrical signal collector 11 and an electrical signal processor 12, the output end of the hub 14, the clock circuit 13 and the electrical signal processor The serial port of 12 is connected, and the electrical signal processor 12 is connected with the monitoring unit 2;

Each electrical signal collector 11 is connected to a cable 10, and converts and amplifies the magnetic signal of the cable 10 into electrical signals. The input end of the hub 14 is connected to a plurality of electrical signal collectors 11, and the electrical signal processor 12 is connected to multiple electrical signals The two hubs 14 are connected, and the clock circuit 13 provides a clock signal for the electrical signal processor 12. The electrical signal processor 12 samples different electrical signal collectors 11 based on time intervals and converts the collected electrical signals into voltage signals. The electrical signal processing The controller 12 also stores the distribution box number, and generates a sampling signal according to the voltage signal, the clock signal and the distribution box number and sends it to the monitoring unit 2 .

As shown in FIG. 3 , the monitoring unit 2 includes an analyzer 21, a database 20, a display 22 and a communication module 23. The database 20, the display 22 and the communication module 23 are respectively connected to the analyzer 21, and the database 20 stores data associated with the distribution box number. the contact information of the mobile terminal 3,

The analyzer 21 is connected to the electrical signal processor 12, receives the sampled signal, stores the sampled signal in the database 20, and analyzes the sampled signal. The distribution box number determines the location information corresponding to the sampling signal, sends the location information and voltage information to the display 22 for display, reads the contact information of the mobile terminal 3 from the database 20 according to the distribution box number, and transmits the location information through the communication module 23 sent to the mobile terminal 3 . In this embodiment, the sampled signals stored in the database 20 are convenient for later analysis and statistics of the electricity consumption of the dormitory.

In this embodiment, the number of cables 10 in the same distribution box 1 is equal to the number of electrical signal collectors 11, and each cable 10 is connected to its corresponding electrical signal collector 11. At this time, it is connected to the dormitory power grid branch The directly connected cable 10 can transfer the electricity usage of the dormitory to the electrical signal collector 11. After each electrical signal collector 11 converts and amplifies the magnetic signal on the corresponding cable 10, it is connected to the hub 14 through a wire. The point is that the same hub 14 can be connected to several electrical signal collectors 11. After the electrical signals are relayed through the hub 14, they are connected to the corresponding positions of the same electrical signal processor 12 through wires, and the same electrical signal processor 12 can be connected to the corresponding position of the same electrical signal processor 12. Several hubs 14 are connected.

Using the above technical solution, the power grid branches of all dormitories on the first floor or one building are respectively connected to the corresponding electrical signal collectors through multiple cables in the distribution box, and the electrical signal collectors convert and amplify the magnetic signals output by the cables. It is an electrical signal. The obtained electrical signal is transmitted through the hub and output to the electrical signal processor for collection and processing. The output end of the hub, the clock circuit, and the serial port of the electrical signal processor are connected, and the clock circuit provides the electrical signal processor with a clock signal. The electrical signal processor collects electrical signals in the corresponding time interval, and the circuit connection inside the dormitory building is shown in Figure 4. The electrical signal processor sends the collected voltage signal to the analyzer, and stores it in the database of the monitoring unit through the transfer of the analyzer. The analyzer determines the position information corresponding to the sampling signal according to the clock signal and the distribution box number, and sends the position information and voltage information to the display for display. The analyzer compares the voltage signal in the sampling signal with the initial threshold value, if the voltage signal is greater than If there is an abnormal situation, a notification will be sent to the display and the communication module, and the abnormal situation will be displayed and alerted or the relevant personnel will be notified in real time through the mobile terminal. The entire detection and processing process takes a short time, and real-time detection of changes in electricity consumption enables timely alarms for dangerous situations, and all dormitories on the first floor or a building can complete the processing and location of electrical signals through only one electrical signal processor Marking, the structure is simplified, and the production cost is greatly saved.

On the basis of the above embodiment, further, the electrical signal is a current signal of an alternating current.

On the basis of the above embodiment, further, the electrical signal collector 11 is a ZHT103 precision current transformer.

Using the above technical solution, the ZHT103 precision current transformer can convert and amplify the magnetic signal of the cable into the current signal of the alternating current, so that the electrical signal processor can process and transmit the real-time signal collected by the dormitory, and the signal Amplification processing is performed to avoid subsequent judgment errors caused by too small signal values, which greatly improves the accuracy and sensitivity of data collection.

On the basis of the above embodiment, further, the electrical signal processor 12 is an STM32 single-chip microcomputer.

On the basis of the above embodiment, further, the analyzer 21 is an STM32 single-chip microcomputer.

Using the above technical solution, the STM32 single-chip microcomputer has an ultra-high-precision 24-bit ADC chip, which processes the electrical signal to obtain a stable and effective voltage signal, and greatly reduces the amount of calculation and calculation time for later analysis and processing. Improve processing efficiency and realize real-time detection of electricity safety.

On the basis of the above embodiment, further, several distribution boxes 1 are connected with the monitoring unit 2 through a bus.

With the above technical solution, all distribution boxes are connected to the monitoring unit through the bus, and the analysis, processing and monitoring of all distribution boxes can be completed according to the work of one monitoring unit, which improves the utilization rate of equipment and saves production. cost and simplify the overall structure of the detection system.

On the basis of the above embodiment, further, the monitoring unit 2 and the mobile terminal 3 are connected through a mobile network.

With the above technical solution, the mobile network does not require fixed equipment for access, and the monitoring unit can timely notify the relevant personnel of the abnormal results of the analysis through the mobile network, and take corresponding measures to avoid accidents such as dormitory fires.

On the basis of the above embodiment, further, the clock circuit 13 is an M41TC8025 clock chip.

Using the above technical solutions, the M41TC8025 clock chip has the advantages of low power consumption, high precision and high stability. The M41TC8025 clock chip is connected to the electrical signal processor, which can provide accurate clock information for the electrical signal processor to ensure that the electrical signal processor can At the same time, the analyzer can correctly determine the location of the sampling signal according to the clock information provided by the M41TC8025 clock chip and the number of the distribution box, which ensures that the relevant dormitory can be accurately and timely found when an abnormal situation occurs, so as to avoid accidents. .

On the basis of the above embodiment, further, the hub 14 is a 485 hub.

On the basis of the above embodiment, further, the display 22 can be a liquid crystal display screen, and the position information and voltage information sent by the analyzer 21 can be displayed in the form of drawing charts, so as to facilitate the management of relevant personnel.

Compared with the prior art, the utility model has the following beneficial effects:

In the same distribution box, only one electrical signal processor is needed to perform the corresponding work, and the corresponding voltage signal can be collected, processed and obtained. At the same time, the source of the voltage signal can be marked by setting different collection time intervals, that is, the specific dormitory number. In this way, all dormitories on the first floor or a building managed by the same distribution box only need one electrical signal processor to meet the working requirements. Compared with the prior art, each dormitory is equipped with a single chip microcomputer. In order to locate the specific dormitory, the structure is simpler, and it is convenient to transform the old dormitory building and save unnecessary costs.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (9)

1. A power consumption detection system, characterized in that it comprises several distribution boxes, monitoring units and mobile terminals; the several distribution boxes are connected with the monitoring unit, and the monitoring unit is connected with the mobile terminal; The distribution box is provided with a plurality of cables, a plurality of electrical signal collectors, a plurality of hubs, a clock circuit and an electrical signal processor, the output end of the hub, the serial port of the clock circuit and the electrical signal processor connected, the electrical signal processor is connected with the monitoring unit, Each of the electrical signal collectors is connected to one of the cables, and converts and amplifies the magnetic signals of the cable into electrical signals. The input end of the hub is connected to a plurality of the electrical signal collectors. The electrical signal processor is connected to the output ends of the multiple hubs, the clock circuit provides the electrical signal processor with a clock signal, and the electrical signal processor samples different electrical signal collectors based on time intervals and collects the collected data. The electrical signal is converted into a voltage signal, and the electrical signal processor also stores a distribution box number, and generates a sampling signal according to the voltage signal, the clock signal and the distribution box number and sends it to the monitoring unit; The monitoring unit includes an analyzer, a database, a display, and a communication module, the database, the display, and the communication module are respectively connected to the analyzer, and the database stores the movement associated with the distribution box number terminal contact information, The analyzer is connected to the electrical signal processor, receives the sampled signal, stores the sampled signal in the database, and analyzes the sampled signal. The analyzer determines the position information corresponding to the sampling signal according to the clock signal and the distribution box number, sends the position information and voltage information to the display for display, and according to the distribution box number The box number reads the contact information of the mobile terminal from the database, and sends the location information to the mobile terminal through the communication module. 2 . The power consumption detection system according to claim 1 , wherein the electrical signal is a current signal of an alternating current. 3 . 3 . The power consumption detection system according to claim 1 , wherein the plurality of distribution boxes are connected to the monitoring unit through a bus. 4 . 4 . The power consumption detection system according to claim 1 , wherein the monitoring unit and the mobile terminal are connected through a mobile network. 5 . 5 . The power consumption detection system according to claim 1 , wherein the electrical signal collector is a ZHT103 precision current transformer. 6 . 6 . The power consumption detection system according to claim 1 , wherein the electrical signal processor is an STM32 single-chip microcomputer. 7 . 7. The power consumption detection system according to claim 1, wherein the analyzer is an STM32 single-chip microcomputer. 8 . The power consumption detection system according to claim 1 , wherein the clock circuit is an M41TC8025 clock chip. 9 . 9 . The power consumption detection system according to claim 1 , wherein the hub is a 485 hub. 10 .

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