CN110672962A - A state monitoring system for electrical equipment - Google Patents

Abstract

The invention relates to a state monitoring system of electric equipment, which comprises: the system comprises a server and at least one electricity utilization information acquisition unit; each electricity utilization information acquisition unit has a unique identifier and corresponds to the electricity utilization equipment one by one; the power utilization information acquisition unit is connected between the power supply and the corresponding power utilization equipment and is used for reporting the stored unique identifier and the acquired real-time power utilization information value of the corresponding power utilization equipment to the server after the preset interval time is up; the server is used for comparing the real-time power utilization information value with a preset power utilization information range value of the power utilization information acquisition unit, and when the real-time power utilization information value exceeds the preset power utilization information range value, the server sends the position information of the power utilization information acquisition unit corresponding to the unique identification to a manager of the server. The invention has the beneficial effects that: the abnormal condition of the electric equipment can be reported and processed in the first time, and compared with a manual inspection mode, the abnormal condition of the electric equipment can be found at the highest speed, and the method is more efficient.

Description

A state monitoring system for electrical equipment

technical field

The invention belongs to the technical field of electricity safety, and in particular relates to a state monitoring system for electrical equipment.

Background technique

With the development of science and technology, the electrical equipment around people is also increasing. Especially in recent years, with the continuous development of communication technology, we are about to enter the Internet of Things era of the Internet of Everything. The electrical equipment in people's lives will be It will increase exponentially, especially the lamps, monitoring, air-conditioning equipment, home appliances, instruments and other electrical equipment used in specific places such as schools, hospitals, transportation, municipal administration, instruments, and machines. Power outages and failures occur, and the conventional manual inspection method to check and find hidden dangers and faults existing in electrical equipment can no longer meet the requirements of timely discovery and treatment.

SUMMARY OF THE INVENTION

In order to solve the problems of delayed manual inspection and low efficiency in the prior art, the present invention provides a state monitoring system for electrical equipment, which has the characteristics of timely detection of abnormal reporting of electrical equipment and more efficient fault handling.

An electrical equipment state monitoring system according to a specific embodiment of the present invention includes: a server and at least one electrical consumption information collection unit;

Each of the electricity consumption information collection units has a unique identifier and corresponds to the electricity consumption equipment one-to-one;

The electricity consumption information collection unit is connected between the power supply and the corresponding electricity consumption equipment, and is used to report the stored unique identifier and the collected real-time electricity consumption information value to the electricity application equipment to the electricity supplier after the preset interval time arrives. the server;

The server is configured to compare the real-time power consumption information value with a preset power consumption information range value of the power consumption information acquisition unit, and when the real-time power consumption information value exceeds the preset power consumption information range value At the time, the location information of the electricity consumption information collection unit corresponding to the unique identifier is sent to the user terminal of the server.

Further, the server is further configured to send a shutdown signal to the power consumption information acquisition unit when the real-time power consumption information value exceeds the preset power consumption information range value to cause the power consumption information acquisition unit to cut off the power supply. and stop power supply to the path of the applied electrical equipment.

Further, the real-time power consumption information value includes at least: voltage value, current value and temperature value of the power supply line of the power consumption device.

Further, the power consumption information collection unit includes: a main control module, a sensor module and a circuit breaker; the sensor module is used to acquire the voltage value, the current value and the temperature value of the power supply line of the power consumption equipment; The main control module is used to send the stored unique identifier, the voltage value, the current value and the temperature value to the server after the preset interval time arrives, and to receive the shutdown signal to open the circuit The switch disconnects the power supply and stops the power supply to the path of the applied electrical equipment.

Further, the sensor module includes: a current sensor, a voltage sensor and a temperature sensor respectively connected to the main control module.

Further, the power consumption information collection unit further includes: a display screen, the display screen is connected to the main control module, and is used for displaying the voltage value, the current value and the temperature value.

Further, the main control module implements communication with the server through 4G or 5G network for data transmission.

Further, the electrical equipment state monitoring system further includes: an upper computer, the upper computer is used to modify and view the unique identification and parameter information of the main control module.

Further, the upper computer communicates and connects with the main control module in a wired or wireless manner, and the wireless manner includes one or more of ZIGBEE, WIFI and Bluetooth.

Further, the server is also used to bind the communication information of the electrical equipment maintenance personnel, and send an alarm prompt to the applied electrical equipment maintenance personnel when the real-time power consumption information value exceeds the preset power consumption information range value. information.

The beneficial effects of the invention are as follows: the power consumption information value of the power consumption equipment in the use process is monitored in real time and reported to the server through the power consumption information collection unit, and the server collects the data of each power consumption information collection unit and stores the preset data in real time. Set the range value for comparison, and when the reported value exceeds the preset range value, the location information of the electrical equipment corresponding to the corresponding electricity information collection unit is sent to the management personnel. The abnormal situation of the electrical equipment can be reported and obtained as soon as possible. Compared with manual inspection, it has a more comprehensive coverage and can detect abnormal conditions of electrical equipment at the fastest speed, making up for the shortage of manual inspection more efficiently.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a state monitoring system for electrical equipment provided according to an exemplary embodiment;

2 is a schematic structural diagram of a power consumption information collection unit provided according to an exemplary embodiment;

3 is a schematic structural diagram of a main control module provided according to an exemplary embodiment;

4 is a circuit diagram of a power supply in a power consumption information collection unit provided according to an exemplary embodiment;

5 is a circuit diagram of a main control module provided according to an exemplary embodiment;

FIG. 6 is a circuit diagram of current and voltage acquisition provided according to an exemplary embodiment;

FIG. 7 is a circuit diagram of another current and voltage acquisition provided according to an exemplary embodiment;

FIG. 8 is a circuit diagram of a main control module, temperature detection and communication provided according to an exemplary embodiment;

FIG. 9 is another power supply circuit provided according to an exemplary embodiment;

FIG. 10 is a negative voltage conversion circuit provided according to an exemplary embodiment.

reference number

1- power supply; 2- server; 3- power consumption information collection unit; 31- sensor module; 311- current sensor; 312- voltage sensor; 313- temperature sensor; 32- main control module; 33- circuit breaker; 4- Electrical equipment.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIG. 1 , an embodiment of the present invention provides an electrical equipment state monitoring system, including: a server 2 and at least one electrical consumption information collection unit 3;

Each electricity consumption information collection unit 3 has a unique identification and corresponds to the electricity consumption equipment 4 one-to-one;

The electricity consumption information collection unit 3 is connected between the power supply 1 and the corresponding electricity consumption equipment 4, and is used to report the stored unique identifier and the collected real-time electricity consumption information value to the electricity application equipment 4 after the preset interval time arrives. to server 2;

The server 2 is configured to compare the real-time power consumption information value with the preset power consumption information range value of the power consumption information collection unit 3, and when the real-time power consumption information value exceeds the preset power consumption information range value, send the data to the user terminal of the server 2. Send the location information that uniquely identifies the corresponding electricity information collection unit 3, where the location information can be marked in the form of the specific location of the electrical equipment 4 and the model of the electrical equipment. For example, for a residential building, the location information can be set as: building number + unit number + house number + name of electrical equipment to define, it is understandable that according to different use conditions, users can set different forms of location information to distinguish, as long as it can play a unique label and can quickly Any form of determining the specific location of the electrical equipment may be used, which is not limited in the present invention.

Specifically, the server 2 can be constructed based on IoT platforms such as Alibaba Cloud, Baidu Cloud, etc. Each power consumption information collection unit 3 has a unique identifier, which is easy to distinguish, and when the server 2 stores the unique identifier of the power consumption information collection unit 3 The installation position of the corresponding electricity information collection unit 3 will also be stored correspondingly. The electricity information collection unit 3 can be connected to the power cord of the electricity equipment 4, the socket built into the power supply, etc. The current of the power line of 4 can be detected, because the electrical equipment 4 such as lamps, household appliances, LED light bars and other electrical equipment has various power consumption values for normal operation. According to different electrical equipment 4, the server 2 can set its value. The range value of normal operation, such as the range value of voltage and current, when the value automatically reported by the power consumption information acquisition unit 3 exceeds the preset range, it will be determined that the power consumption device 4 is in an abnormal state, such as the value of current and voltage If it is 0, there may be a power outage or power failure. If the current and voltage value is too large, there may be a short circuit, overload operation, etc. Once these abnormal conditions occur, the server 2 will directly send the management personnel the information of the electrical equipment. Location information enables abnormal situations to be dealt with in a timely manner, which is more efficient and accurate than manual inspections. At the same time, with the advent of the Internet of Things era, the Internet of Things carriers are used for batch and large-scale collection and monitoring of electrical equipment. It is possible to provide a guarantee for the safe power consumption of electrical equipment.

Wherein, the user terminal may be a device such as a smart phone or a computer wirelessly connected to the server 2, and application software built in these devices to receive and view server data.

As a feasible implementation manner of the above embodiment, the real-time power consumption information value includes at least: voltage value, current value and temperature value of the power supply line of the power consumption device. According to the voltage value and current value of the electrical equipment 4, the power of the electrical equipment 4 can be measured, and the working power is also used as the measured value of the electrical equipment 4 to work, and can also be used as a judgment standard for normal operation. It can be used as a standard for the current intensity. In the event of a short circuit, excessive working power, etc., the line current will be too large, so that the line will heat up. Using this feature to monitor the temperature value of the line can also be used as a an important safety standard item. At the same time, in order to avoid the possibility of garbled identification codes when multiple power consumption information collection units report at the same time, the preset interval reporting time can be set according to the identification characteristics of the power consumption information collection units, for example, ( Unique identifier-1)*fixed time method is used to report data. For example, the identifier of current electricity consumption information collection unit 3 is 5, and the fixed time is 10ms. Then the device needs to delay 40ms before reporting the collected data, of course. The user can set the preset reporting time correspondingly according to the number of actual collection devices and the actual usage, which is not limited in the present invention.

In order to further optimize the technical solution, in a specific embodiment of the present invention, the server 2 is further configured to send a shutdown signal to the power consumption information collection unit 3 when the real-time power consumption information value exceeds the preset power consumption information range value to use the power consumption information. The acquisition unit 3 cuts off the power supply and stops the power supply to the path of the applied electrical equipment. That is, the electricity information collection unit 3 has the function of switching the circuit. When abnormal conditions such as excessive current and high temperature occur, the electricity information collection unit 3 will automatically close the power supply line to ensure the safety of electricity consumption and avoid serious accidents. .

2 and 3, in another specific embodiment of the present invention, the electricity consumption information collection unit 3 includes: a main control module 32, a sensor module 31 and a circuit breaker 33; the sensor module 31 is used to obtain electricity consumption equipment 4. The voltage value, current value and temperature value of the power supply line; the main control module 32 is used to send the stored unique identifier, voltage value, current value and temperature value to the server 2 after the preset interval time arrives, and to receive a shutdown signal to enable The disconnect switch 33 disconnects the power supply and stops the power supply to the passage of the electrical equipment 4;

The sensor module 21 includes: a current sensor 311 , a voltage sensor 312 and a temperature sensor 313 respectively connected to the main control module 32 .

Specifically, the current sensor 311 and the voltage sensor 312 are respectively connected to the main controller of the main control module 32 after being converted by a 24-bit digital-to-analog converter and digitally shaped. The circuit breaker switch 33 can use a self-holding relay to realize automatic switching of hardware. The main controller can send the corresponding switching value (high-level or low-level digital signal) to the relay according to the digital quantity input by each sensor, and then control turn-off of the relay. At the same time, the main controller can realize the wireless connection with the server 2 to transmit data and control signals through the communication interface, which also provides convenience for the remote upgrade of the main controller, and no need for on-site upgrades. Maintenance and upgrades are facilitated. The communication mode of the wireless connection is not limited to the existing main control module 32 implementing communication with the server 2 through 4G or 5G network for data transmission, but also includes other wireless communication modes.

In some specific embodiments of the present invention, it also includes: a host computer (not shown in the figure), the host computer is used to modify and view the unique identifier and parameter information of the main control module 32;

The electricity consumption information collection unit 3 further includes: a display screen (not shown in the figure), the display screen is connected to the main control module 32 for displaying the voltage value, the current value and the temperature value.

The host computer can transmit data and set related parameters through wired communication methods such as RS485/232 or one or more wireless communication methods including ZIGBEE, WIFI and Bluetooth, and the main controller; the display screen can use black and white dot matrix The screen can display current, voltage, temperature, system time and other information for on-site viewing. At the same time, the main control module can use two power supplies for power supply. When any one of the power supply modules is out of power, it can automatically switch to another power supply to supply power to ensure the normal use of the system, and the power usage of each power supply can be viewed in conjunction with the display screen. .

In other specific embodiments of the present invention, the server 2 is also used to bind the communication information of the maintenance personnel of the electrical equipment, and to maintain the application electrical equipment 4 when the real-time power consumption information value exceeds the preset power consumption information range value Personnel send alarm information.

Specifically, based on the server 2, different users in the service area can be bound. For example, the electric equipment 4 and the electric power information collection unit 3 in the same hospital can be integrated into a table to monitor as a unit. , and give the maintenance personnel within the scope the corresponding viewing authority and the binding of the communication number. In the event of a failure or other emergencies, prompt information will be sent directly to the maintenance personnel at the first time, instead of going through the administrator of Server 2. When an abnormal situation is found, a reminder message is issued to further shorten the time for the discovery and processing of the fault, so that the fault can be dealt with more quickly.

In the specific implementation of the present invention, the main controller in the main control module 32 can be HM39F511A, which has functions such as phase compensation, and can accurately measure temperature while realizing the measurement and calculation of current and voltage. Technicians can choose other controllers as the control device of the main control module according to the actual usage, which is not limited here.

In specific implementation, expansion can be performed between multiple main control modules 32, that is, connection and communication between the main control modules 32 can be performed during use, and the TCP/IP interface can be used together. For example, when monitoring LED light strips, each Each light strip is connected with the corresponding power consumption information collection unit 3, so that through the extended connection of the main control module 32, the series connection of multiple LED light strips can be realized, and it is not limited to the previous parallel connection. The connection form of the belt has a wider scope of application.

The entire power consumption information collection unit 3 can be integrated into a body with a length of 5cm, a width of 4cm and a height of 2cm, and can be integrated in the junction box of the socket during installation and use, or connected between the power lines of the electrical equipment. It is easy to install and will not affect the normal use and installation of electrical equipment; in addition, a general USB interface can be integrated on the circuit board of the main control module to realize the communication connection with most smart devices such as notebooks and mobile phones, and through the smart device The corresponding debugging software can adjust and view the operating parameters, clock information and other contents of the main controller. By obtaining the read permission of the server, the user can view the information stored in the server and corresponding The operation of the electrical equipment associated with the user can generate corresponding reports and other contents for the user to view. When there are more users and more electrical equipment, the server will adjust the storage time of various data tables accordingly, and generally save the corresponding historical data for one year for users to view and download.

In order to facilitate user management, the server 2 can set the user's authority accordingly, for example, it can be divided into three levels, the first level can set all functions of the server; the second level can only set some functions of the server At the third level, you can only browse and download and view the corresponding data, which is convenient for various users and management personnel to be treated differently and ensure the normal operation of the system.

Referring to the circuit diagrams shown in Figures 4 to 6, it is a circuit diagram of a general electricity consumption information acquisition unit suitable for most electric equipment, wherein the voltage conversion circuit shown in Figure 4 converts the commercial power into 12V and 3.3V DC voltage for power supply. The main control module and the current-voltage conversion circuit are used; the main control module shown in Figure 5 has a WIFI interface and a simulation interface, which can transmit data and set the operating parameters in the main controller and related debugging operations; shown in Figure 6 The voltage and current acquisition circuit of the device sends the corresponding voltage and current value on the power line to the main controller. Of course, a temperature detection circuit can be added to collect temperature data.

Referring to the circuits shown in Fig. 7 to Fig. 10 are the circuit diagrams of the electricity consumption information collection unit specially suitable for the LED lamp. The current and voltage collection circuit shown in Fig. 7 sends the collected current and voltage on the power line of the LED lamp to Fig. 8 The IC-20P-SN8F5702 main controller in the shown main control module circuit performs the processing and calculation of the voltage and current values, and analyzes and judges according to the corresponding reference values. The RT-temperature control tube detects the corresponding temperature and sends it to the main controller. The main controller communicates with the host computer and server through MAX485E to realize data transmission, and the main controller IC-20P-SN8F5702 controls the output of the main controller through the connection of the photocoupler EL357 and the output control circuit; Fig. The power conversion circuit shown in 9 provides a positive 5V DC voltage, and the power conversion circuit shown in FIG. 10 provides a converted negative 5V voltage, which cooperates with the positive 5V voltage to provide power for the normal operation of each chip.

The state monitoring system for electrical equipment provided by the above embodiments of the present invention, as an essential product in the Internet of Things era, abnormal situations can be reported and dealt with in the first time. Compared with manual inspection, it has a more comprehensive coverage and can be The fastest speed to find abnormal conditions of electrical equipment, more efficient to make up for the lack of manual inspection, while expanding the connection method of electrical equipment such as LED light strips, has a good promotion prospect.

The above description includes examples of one or more embodiments. Of course, it is not possible to describe all possible combinations of components or methods in order to describe the above embodiments, but one of ordinary skill in the art will recognize that further combinations and permutations of the various embodiments are possible. Accordingly, the embodiments described herein are intended to cover all such changes, modifications and variations that fall within the scope of the appended claims. Furthermore, with respect to the term "comprising" as used in the specification or claims, the word is encompassed in a manner similar to the term "comprising," as if "comprising" was construed as a conjunction in the claims. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or."

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. A powered device condition monitoring system, comprising: the system comprises a server and at least one electricity utilization information acquisition unit;

each electricity utilization information acquisition unit is provided with a unique identifier and corresponds to the electricity utilization equipment one by one;

the power utilization information acquisition unit is connected between a power supply and corresponding power utilization equipment and is used for reporting the stored unique identifier and the acquired real-time power utilization information value of the corresponding power utilization equipment to the server after a preset interval time is up;

the server is used for comparing the real-time power utilization information value with a preset power utilization information range value of the power utilization information acquisition unit, and when the real-time power utilization information value exceeds the preset power utilization information range value, the server sends the position information of the power utilization information acquisition unit corresponding to the unique identification to a user terminal of the server.

2. The system of claim 1, wherein the server is further configured to send a shutdown signal to the power consumption information collecting unit when the real-time power consumption information value exceeds the preset power consumption information range value, so that the power consumption information collecting unit cuts off a power supply and stops supplying power to a corresponding power consumption device.

3. The system of claim 2, wherein the real-time electricity information values comprise at least: the voltage value, the current value and the temperature value of the power supply line of the electric equipment.

4. The system of claim 3, wherein the electricity information collection unit comprises: the system comprises a main control module, a sensor module and a circuit breaker; the sensor module is used for acquiring the voltage value, the current value and the temperature value of a power supply circuit of electric equipment; the main control module is used for sending the stored unique identifier, the voltage value, the current value and the temperature value to the server after the preset interval time is up, and receiving the closing signal to enable the circuit breaker to cut off a power supply and stop supplying power to a passage of the corresponding electric equipment.

5. The system of claim 4, wherein the sensor module comprises: and the current sensor, the voltage sensor and the temperature sensor are respectively connected with the main control module.

6. The system of claim 4, wherein the electricity information collection unit further comprises: and the display screen is connected with the main control module and is used for displaying the voltage value, the current value and the temperature value.

7. The system of claim 4, wherein the master control module communicates with the server via a 4G or 5G network for data transmission.

8. The system of any one of claims 4 to 7, further comprising: and the upper computer is used for modifying and checking the unique identifier and the parameter information of the main control module.

9. The system of claim 8, wherein the host computer is in communication connection with the master control module through a wired or wireless mode, and the wireless mode comprises one or more of ZIGBEE, WIFI and Bluetooth.

10. The system according to any one of claims 1 to 3, wherein the server is further configured to bind communication information of the electrical equipment maintainers, and send an alarm prompt message to the corresponding electrical equipment maintainers when the real-time electrical information value exceeds the preset electrical information range value.

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