CN112729610A - Power equipment temperature data remote monitoring system and method based on Internet of things - Google Patents
Power equipment temperature data remote monitoring system and method based on Internet of things Download PDFInfo
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- CN112729610A CN112729610A CN202011537488.3A CN202011537488A CN112729610A CN 112729610 A CN112729610 A CN 112729610A CN 202011537488 A CN202011537488 A CN 202011537488A CN 112729610 A CN112729610 A CN 112729610A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
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Abstract
The application relates to a remote monitoring system for temperature data of electric power equipment based on the Internet of things, which comprises a temperature acquisition module, a processing module and an alarm module; the temperature acquisition module comprises a temperature sensor arranged in the environment of the power equipment, and is used for acquiring the environment temperature of the power equipment and sending the environment temperature to the processing module; the processing module comprises a temperature setting unit, a time setting unit and a processing unit; the temperature setting unit is used for setting the temperature threshold of the power equipment; the time setting unit is used for setting the allowable duration time for the temperature of the power equipment to exceed the temperature threshold. The application has the following effects: this application carries out temperature monitoring to the power equipment environment, compares through monitoring power equipment ambient temperature value and temperature threshold, excessively generates heat when judging power equipment's temperature, under the condition that excessively generates heat, carries out the secondary to the duration that excessively generates heat and allows the duration and judge, reduces the possibility that during operation power equipment temperature briefly risees and the false triggering alarm.
Description
Technical Field
The application relates to the field of power equipment temperature control, in particular to a remote monitoring system and method for power equipment temperature data based on the Internet of things.
Background
The Internet of things is based on the form of Internet +, and the equipment is connected with the network, so that the Internet of things is widely applied to remote intelligent online detection application of the power equipment of the power Internet of things.
In the related art, a specific temperature threshold value is set for each power device, which is the highest temperature value that the power device can bear, and the power device may not work normally after the temperature threshold value is exceeded.
In view of the above-mentioned related technologies, the inventor believes that, for power equipment applied to different occasions, the temperature of the power equipment sometimes rises briefly during operation, and the temperature sensed by the temperature sensor is higher than a temperature threshold, but the transient temperature rise does not cause damage to the power equipment, and may cause false triggering of an alarm.
Disclosure of Invention
In order to reduce the possibility of false alarm triggering, the application provides a remote monitoring system and method for temperature data of electric power equipment based on the Internet of things.
On the one hand, the power equipment temperature data remote monitoring system based on the Internet of things adopts the following technical scheme:
the power equipment temperature data remote monitoring system based on the Internet of things comprises a temperature acquisition module, a processing module and an alarm module;
the temperature acquisition module comprises a temperature sensor arranged in the environment of the power equipment, and is used for acquiring the environment temperature of the power equipment and sending the environment temperature to the processing module;
the processing module comprises a temperature setting unit, a time setting unit and a processing unit;
the temperature setting unit is used for setting a temperature threshold of the power equipment; the time setting unit is used for setting the allowable duration time for the temperature of the power equipment to exceed the temperature threshold;
the processing unit is connected with the temperature sensor, acquires a temperature value of the temperature sensor and compares the temperature value with the temperature threshold value;
the processing unit is further configured to send an instruction to the alarm module if the time during which the temperature value exceeds the temperature threshold is greater than the allowed duration;
the alarm module is connected with the processing module and controlled by the processing module, and is used for giving an alarm under the instruction of the processing module.
Through adopting above-mentioned technical scheme, this application carries out temperature monitoring to the power equipment environment, compares through monitoring power equipment ambient temperature value and temperature threshold value, excessively generates heat when judging power equipment's temperature, under the condition that excessively generates heat, carries out the secondary to the duration that excessively generates heat and the time that allows duration and judges, reduces the temperature of during operation power equipment and briefly risees and the possibility of false triggering alarm.
Optionally, the temperature sensor includes a first temperature sensor arranged inside the power equipment and a second temperature sensor arranged outside the power equipment, the first temperature sensor and the second temperature sensor are both connected with the processing unit, and the processing unit acquires temperature values of the first temperature sensor and the second temperature sensor and obtains a temperature difference value by making a difference.
By adopting the technical scheme, the temperature rise of the power equipment caused by actual work is obtained by monitoring the temperature inside and outside the power equipment and making a difference through the temperature inside and outside the power equipment, the precision of obtaining the temperature rise value of the power equipment is improved, and the possibility of false triggering of an alarm is reduced.
Optionally, the display module comprises a display arranged in the monitoring room, the display is respectively connected with the processing unit, the first temperature sensor and the second temperature sensor, and the display is used for displaying the temperature values of the first temperature sensor and the second temperature sensor and the temperature difference values of the first temperature sensor and the second temperature sensor.
Through adopting above-mentioned technical scheme, through the visual demonstration of display to first temperature sensor and second temperature sensor's temperature value, promote the understanding degree of manager to power equipment's operating condition and temperature.
On the other hand, the power equipment temperature data remote monitoring method based on the internet of things adopts the following technical scheme:
the method of the power equipment temperature data remote monitoring system based on the Internet of things comprises the following steps:
the temperature setting unit sets a temperature threshold T, and the time setting unit sets an allowable duration T;
the method comprises the steps that a first temperature sensor monitors an internal temperature value T1 of the power equipment, a second temperature sensor monitors an external temperature value T2 of the power equipment, and a processing unit obtains an internal temperature value T1 and an external temperature value T2 and obtains a temperature difference value delta T by making a difference;
the processing unit judges whether the power equipment excessively heats according to the temperature difference value delta T and the temperature threshold value T;
when the processing unit judges that the power equipment generates heat excessively, the processing unit counts the time for which the power equipment generates heat excessively to obtain heat-generation timing time t 0;
judging whether the power equipment excessive heating timer time t0 is compared with the allowable duration t:
if the heating timing time t0 is less than or equal to the allowable duration t, the processing unit determines that the power equipment is currently in transient excessive heating;
if the heating timing time t0 is greater than the allowable duration t, the processing unit judges that the power equipment is abnormal due to excessive heating currently, and the processing unit controls the alarm module to give an alarm.
By adopting the technical scheme, whether the power equipment excessively heats or not is judged for the first time, the internal temperature value T1 and the external temperature value T2 of the power equipment are respectively obtained and are subjected to difference to obtain the temperature difference value delta T, and the temperature difference value delta T is compared with the temperature threshold value T to judge whether the power equipment excessively heats or not;
and in the case of excessive heating, judging the abnormal excessive heating of the power equipment for the second time, and comparing the heating timing time t0 with the allowable duration t to judge whether the power equipment is transiently recoverable heating or heating abnormality, so as to reduce the possibility of mistakenly triggering the alarm module to give an alarm.
Optionally, the step of determining, at the processing unit, that the power device generates heat excessively includes:
if the temperature difference value Delta T is smaller than or equal to the temperature threshold value T, the processing unit judges that the heating of the power equipment is normal;
and if the temperature difference value Delta T is larger than the temperature threshold value T, the processing unit judges that the electric power equipment generates excessive heat.
By adopting the technical scheme, the temperature difference value delta T inside and outside the electrical equipment is compared and judged with the preset temperature value T, so that the influence of the ambient temperature on temperature detection is reduced, the accuracy of obtaining the temperature rise value of the electrical equipment is improved, and the possibility of false triggering of an alarm is reduced.
Optionally, if the heating timing time t0 is less than or equal to the allowable duration t, the processing unit determines that the power device is currently in a situation of transient excessive heating:
the processing unit takes the internal temperature value T1 of the electric power equipment monitored by the first temperature sensor as a new temperature threshold value T as a standard for judging whether the electric power equipment excessively generates heat.
By adopting the technical scheme, under the condition of excessive heating, and the heating timing time T0 is less than or equal to the allowable duration time T, the temperature of the electric power equipment is temporarily increased at the moment, the internal temperature value T1 is used as a new temperature threshold value T to calibrate the temperature value which can be borne by the electric power equipment, the accuracy of the temperature threshold value T is improved, the temperature range which can be borne by the electric power equipment is enlarged after the temperature threshold value T is optimized, and the calculation amount of the processing unit is simplified.
Optionally, the allowable duration T is the time period T during which the temperature difference Δ T returns to below the temperature threshold T.
By adopting the technical scheme, the temperature of the electrical equipment automatically drops within the allowable duration t, and the possibility of mistakenly triggering the alarm module to give an alarm is reduced.
Optionally, the allowable duration t is between 3 and 5 minutes.
By adopting the technical scheme, the allowable duration T is reasonably set, and when the temperature of the power equipment in the allowable duration T is reduced to the temperature threshold T, the power equipment is judged to be transient excessive heating, so that the possibility of mistakenly triggering the alarm module to give an alarm is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. this application carries out temperature monitoring to the power equipment environment, compares through monitoring power equipment ambient temperature value and temperature threshold, excessively generates heat when judging power equipment's temperature, under the condition that excessively generates heat, carries out the secondary to the duration that excessively generates heat and allows the duration and judge, reduces the temperature of during operation power equipment and briefly risees and the possibility of false triggering alarm.
2. Through the monitoring of the temperature inside and outside the power equipment, the difference is made between the temperature inside and outside the power equipment, the temperature rise amount of the power equipment caused by actual work is obtained, the precision of obtaining the temperature rise value of the power equipment is improved, and the possibility of false triggering of an alarm is reduced.
3. The method comprises the steps of judging whether the power equipment excessively heats for the first time, respectively obtaining an internal temperature value T1 and an external temperature value T2 of the power equipment, making a difference to obtain a temperature difference value delta T, comparing the temperature difference value delta T with a temperature threshold value T, and judging whether the power equipment excessively heats;
and in the case of excessive heating, judging the abnormal excessive heating of the power equipment for the second time, and comparing the heating timing time t0 with the allowable duration t to judge whether the power equipment is transiently recoverable heating or heating abnormality, so as to reduce the possibility of mistakenly triggering the alarm module to give an alarm.
4. In the case of excessive heat generation, and the heat generation timing time T0 is less than or equal to the allowable duration T, at this time, the temperature of the power equipment is raised transiently, the internal temperature value T1 is used as a new temperature threshold T to calibrate the temperature value that the power equipment can bear, the accuracy of the temperature threshold T is improved, after the temperature threshold T is optimized, the temperature range that the power equipment can bear is increased, and the calculation amount of the processing unit is simplified.
Drawings
FIG. 1 is a block diagram of a system for remotely monitoring temperature data of an electrical device according to the present application.
FIG. 2 is a schematic diagram of a temperature sensor of the remote monitoring system for temperature data of an electrical device according to the present application.
Fig. 3 is a flowchart of a method for remotely monitoring temperature data of an electrical device according to the present application.
Reference numerals: 100. a first temperature sensor; 200. a second temperature sensor.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Example 1:
the embodiment of the application discloses remote monitoring system for temperature data of electric equipment based on the Internet of things.
As shown in fig. 1 and 2, the temperature monitoring device comprises a temperature acquisition module, a processing module and an alarm module.
The temperature acquisition module is including setting up the temperature sensor in the power equipment environment, and temperature sensor is arranged in gathering the temperature in the power equipment environment, and wherein temperature sensor includes two kinds: a first temperature sensor 100 and a second temperature sensor 200.
The first temperature sensor 100 is arranged inside the power equipment and used for collecting the internal temperature of the power equipment; the second temperature sensor 200 is disposed outside the power device, and is configured to collect a temperature outside the power device, that is, collect an ambient temperature of a space outside the power device. For example: for the environmental temperature collection of the switch cabinet, the first temperature sensor 100 is disposed inside the switch cabinet to collect the internal temperature of the switch cabinet, and the second temperature sensor 200 is disposed in the indoor environment where the switch cabinet is located to collect the temperature of the indoor environment.
A processing module is connected to both the first temperature sensor 100 and the second temperature sensor 200.
The processing module comprises a temperature setting unit, a time setting unit and a processing unit;
the temperature setting unit is used for setting a temperature threshold value, wherein the temperature threshold value refers to that the heating rise of the power equipment is regarded as normal heating within the temperature threshold value range, and the heating rise of the power equipment is regarded as excessive heating of the power equipment outside the temperature threshold value range; the setting of the temperature threshold can be realized by hardware circuits, such as: a comparator, a comparison circuit capable of converting the temperature signal into the voltage signal, is a conventional means in the field, and the description is not repeated in this embodiment; of course, the temperature threshold may be set by a program, and the temperature threshold and the comparison reference may be compared and determined with the first temperature sensor 100 and the second temperature sensor 200, respectively.
The time setting unit is configured to set an allowable duration in which the temperature increase value of the electric power equipment exceeds the temperature threshold value when the electric power equipment generates excessive heat, the allowable duration being a time at which the electric power equipment can recover the temperature of the electric power equipment within the temperature threshold value after the elapse of the allowable duration from the time of starting the excessive heat generation, that is, a non-excessive heat generation state. Also, the allowable duration is set by a program in the present embodiment.
The processing unit is an MCU or a computer CPU and is used for data processing. The processing unit is connected with first temperature sensor 100 and second temperature sensor 200 respectively, acquires first temperature sensor 100 and second temperature sensor 200's temperature value in real time to do the difference to first temperature sensor 100 and second temperature sensor 200's temperature value, processing unit judges whether power equipment excessively generates heat: comparing the difference value with a temperature threshold value, and under the condition that the difference value is greater than the temperature threshold value, judging excessive heating of the power equipment by the processing unit, and timing excessive heating time; in the case where the electric power device excessively generates heat, the processing unit determines whether the electric power device excessively generates heat normally: comparing the excessive heating timing time with the allowable duration time, and sending an instruction to an alarm module by the processing unit under the condition that the excessive heating timing time is greater than the allowable duration time, and responding by the alarm module to give an alarm; conversely, in the case where the excessive heat generation count time is less than or equal to the allowable duration, the processing unit takes the current temperature value of excessive heat generation as a new temperature threshold value as a reference for the next comparison.
The alarm module is an audible and visual alarm arranged in the monitoring room, is connected with the processing unit in a wired or wireless way and responds to the processing unit.
The power equipment monitoring system further comprises a display module and a WiFi module, wherein the display module is a display, the display is respectively connected with the processing unit, the first temperature sensor 100 and the second temperature sensor 200, and the display is arranged in the monitoring room and used for displaying the inside and outside temperatures and the inside and outside temperature difference of the power equipment;
the WiFi module is used for instruction transmission between the processing unit and the alarm module, and the WiFi module refers to a WiFi network.
The implementation principle of the power equipment temperature data remote monitoring system based on the Internet of things in the embodiment of the application is as follows:
according to the method, the temperature sensors are respectively arranged inside and outside the power equipment, firstly, the temperature difference inside and outside the power equipment is compared with a temperature threshold value, and whether the power equipment excessively heats or not is judged; and when the power equipment generates excessive heat, comparing the heat generation timing time with the allowable duration time again, judging that the power equipment generates excessive heat transiently or generates heat abnormally, and triggering the alarm module to give an alarm when the power equipment generates excessive heat abnormally.
Example 2:
the present embodiment is different from embodiment 1 only in that a temperature sensor is disposed inside the power equipment in the present embodiment, and the processing unit obtains the temperature value of the temperature sensor and directly compares the temperature value with a temperature threshold value that is set, where the temperature threshold value in the present embodiment is different from the temperature threshold value in embodiment 1.
Example 3:
the embodiment of the application discloses a remote monitoring method for temperature data of electric equipment based on the Internet of things.
As shown in fig. 3, the method comprises the following steps:
s100, setting a temperature threshold T by a temperature setting unit through a program; the time setting unit sets the allowable duration t; the temperature threshold T is used as a reference for judging whether the power equipment generates excessive heat or not; the allowable duration time t is used as a reference for determining whether excessive heat generation of the electric power equipment is abnormal.
S200, the first temperature sensor 100 monitors the internal temperature of the power equipment in real time to obtain an internal temperature value T1, and the second temperature sensor 200 monitors the external temperature of the power equipment in real time to obtain an external temperature value T2.
The S300 processing unit obtains an internal temperature value T1 and an external temperature value T2, the difference between T1 and T2 is obtained to obtain a temperature difference value delta T, and whether the electric power equipment excessively generates heat or not is judged according to the temperature difference value delta T and a temperature threshold value T:
if the temperature difference value delta T is smaller than or equal to the temperature threshold value T, the processing unit judges that the heating of the power equipment is normal;
and if the temperature difference value delta T is larger than the temperature threshold value T, the processing unit judges that the electric equipment generates excessive heat.
S400, when the processing unit judges that the electric equipment generates heat excessively, the processing unit starts to time the time of excessive heating of the electric equipment to obtain heating time t 0;
whether the electric power equipment has excessive heat generation abnormality is judged by the heat generation timing time t0 and the allowable duration time t:
if the heating timing time t0 is less than or equal to the allowable duration time t, the processing unit judges that the power equipment is transient excessive heating currently, and the power equipment is normally heated; meanwhile, taking the internal temperature value T1 of the current power equipment as a new temperature threshold;
if the heating timing time t0 is greater than the allowable duration t, the processing unit determines that the power equipment is abnormal due to excessive heating currently, the processing unit controls the alarm module to give an alarm, and at this time, the heating timing time t0 is reset.
In this embodiment, the allowable duration t is set to be 3-5 minutes, and may be adjusted according to actual conditions.
The implementation principle of the power equipment temperature data remote monitoring method based on the Internet of things in the embodiment of the application is as follows:
according to the method, the temperature sensors are respectively arranged inside and outside the power equipment, firstly, the temperature difference inside and outside the power equipment is compared with a temperature threshold value, and whether the power equipment excessively heats or not is judged; and when the power equipment generates excessive heat, comparing the heat generation timing time with the allowable duration time again, judging that the power equipment generates excessive heat transiently or generates heat abnormally, and triggering the alarm module to give an alarm when the power equipment generates excessive heat abnormally.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. Power equipment temperature data remote monitering system based on thing networking, its characterized in that: the device comprises a temperature acquisition module, a processing module and an alarm module;
the temperature acquisition module comprises a temperature sensor arranged in the environment of the power equipment, and is used for acquiring the environment temperature of the power equipment and sending the environment temperature to the processing module;
the processing module comprises a temperature setting unit, a time setting unit and a processing unit;
the temperature setting unit is used for setting a temperature threshold of the power equipment; the time setting unit is used for setting the allowable duration time for the temperature of the power equipment to exceed the temperature threshold;
the processing unit is connected with the temperature sensor, acquires a temperature value of the temperature sensor and compares the temperature value with the temperature threshold value;
the processing unit is further configured to send an instruction to the alarm module if the time during which the temperature value exceeds the temperature threshold is greater than the allowed duration;
the alarm module is connected with the processing module and controlled by the processing module, and is used for giving an alarm under the instruction of the processing module.
2. The remote monitoring system for the temperature data of the power equipment based on the Internet of things of claim 1, wherein: the temperature sensor comprises a first temperature sensor (100) arranged inside the power equipment and a second temperature sensor (200) arranged outside the power equipment, wherein the first temperature sensor (100) and the second temperature sensor (200) are both connected with the processing unit, and the processing unit acquires temperature values of the first temperature sensor (100) and the second temperature sensor (200) and obtains a temperature difference value by difference.
3. The remote monitoring system for the temperature data of the power equipment based on the Internet of things of claim 2, wherein: still include display module, display module is including setting up the display in the monitor, the display is connected with respectively processing unit, first temperature sensor (100) and second temperature sensor (200), the display is used for showing the temperature value of first temperature sensor (100) and second temperature sensor (200) and the temperature difference of first temperature sensor (100) and second temperature sensor (200).
4. The method for the remote monitoring system of the temperature data of the power equipment based on the Internet of things as claimed in any one of claims 1-3, wherein: the method comprises the following steps:
the temperature setting unit sets a temperature threshold T, and the time setting unit sets an allowable duration T;
the method comprises the steps that a first temperature sensor (100) monitors an internal temperature value T1 of the power equipment, a second temperature sensor (200) monitors an external temperature value T2 of the power equipment, and a processing unit acquires an internal temperature value T1 and an external temperature value T2 and makes a difference to obtain a temperature difference value delta T;
the processing unit judges whether the power equipment excessively heats according to the temperature difference value delta T and the temperature threshold value T;
when the processing unit judges that the power equipment generates heat excessively, the processing unit counts the time for which the power equipment generates heat excessively to obtain heat-generation timing time t 0;
the power equipment overheating timer time t0 is compared with the allowable duration t:
if the heating timing time t0 is less than or equal to the allowable duration t, the processing unit determines that the power equipment is currently in transient excessive heating;
if the heating timing time t0 is greater than the allowable duration t, the processing unit judges that the power equipment is abnormal due to excessive heating currently, and the processing unit controls the alarm module to give an alarm.
5. The method of the power equipment temperature data remote monitoring system based on the Internet of things of claim 4, wherein the method comprises the following steps: the step of judging excessive heating of the power equipment at the processing unit comprises the following steps:
if the temperature difference value Delta T is smaller than or equal to the temperature threshold value T, the processing unit judges that the heating of the power equipment is normal;
and if the temperature difference value Delta T is larger than the temperature threshold value T, the processing unit judges that the electric power equipment generates excessive heat.
6. The method for the remote monitoring system of the temperature data of the power equipment based on the internet of things according to claim 4, wherein the heating timing time t0 is less than or equal to the allowable duration t, and if the processing unit determines that the power equipment is currently in the transient excessive heating condition:
the processing unit takes the internal temperature value T1 of the electric power equipment monitored by the first temperature sensor (100) as a new temperature threshold value T as a standard for judging whether the electric power equipment excessively generates heat.
7. The method of the power equipment temperature data remote monitoring system based on the Internet of things of claim 4, wherein the method comprises the following steps: the permissible duration T is the return of the temperature difference Δ T to below the temperature threshold T over the elapsed time T.
8. The method of the power equipment temperature data remote monitoring system based on the Internet of things of claim 7, wherein the method comprises the following steps: the allowed duration t is between 3 and 5 minutes.
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| CN202011537488.3A CN112729610A (en) | 2020-12-23 | 2020-12-23 | Power equipment temperature data remote monitoring system and method based on Internet of things |
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| CN113823609A (en) * | 2021-09-18 | 2021-12-21 | 广东汇芯半导体有限公司 | Semiconductor circuit, control board, and temperature control method for semiconductor circuit |
| CN114020066A (en) * | 2021-09-17 | 2022-02-08 | 无锡市汇联自动化系统有限公司 | Temperature acquisition control system and method based on Internet of things technology |
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Application publication date: 20210430 |