CN113375818A - Wireless temperature measurement system and method for distribution room - Google Patents
Wireless temperature measurement system and method for distribution room Download PDFInfo
- Publication number
- CN113375818A CN113375818A CN202110764074.2A CN202110764074A CN113375818A CN 113375818 A CN113375818 A CN 113375818A CN 202110764074 A CN202110764074 A CN 202110764074A CN 113375818 A CN113375818 A CN 113375818A
- Authority
- CN
- China
- Prior art keywords
- temperature
- wireless
- wireless temperature
- distribution room
- temperature measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 15
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000003750 conditioning effect Effects 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005678 Seebeck effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a wireless temperature measurement system and a wireless temperature measurement method for a power distribution room, wherein the wireless temperature measurement system comprises a wireless temperature sensor, a wireless temperature measurement terminal and a data background; the wireless temperature sensor is arranged at a temperature measuring heating point of the power distribution room and used for acquiring the temperature of the heating point in real time and transmitting the temperature to the wireless temperature measuring terminal; the wireless temperature sensor comprises an energy obtaining device which is used for obtaining energy through temperature difference at a heating point and supplying energy to the wireless temperature sensor; the wireless temperature measurement terminal transmits the temperature to the data background through a wireless network, and the data background is used for real-time temperature monitoring display and temperature threshold value alarm. The invention monitors the temperature of devices in the distribution room in real time and solves the problem of node energy supply.
Description
Technical Field
The invention relates to the field of electric power temperature measurement, in particular to a wireless temperature measurement system and method for a power distribution room.
Background
The safety of electrical equipment is particularly important, and the high temperature phenomenon can appear in the power equipment system in the use, especially at positions such as cubical switchboard contact, cable head contact, switch contact among the power equipment, if the staff's inspection is not in time, power equipment can be damaged. For the current situation, some power equipment uses an expensive temperature measuring instrument; but the cost is high and the use of wired transmission is inconvenient.
When the temperature measurement is carried out to the current wireless sensor that adopts, there is the energy supply problem, and present sensing node adopts the scheme that the lithium cell supplied energy usually, and nevertheless the operational reliability of lithium cell under high temperature environment remains to verify, has the explosion risk, and changes the difficulty, can't satisfy a large amount of sensing node and deploy the energy supply demand in the distribution room.
Disclosure of Invention
The invention aims to provide a power distribution room wireless temperature measurement system and a power distribution room wireless temperature measurement method, which are used for monitoring the temperature of devices in a power distribution room in real time and solving the problem of node energy supply.
In order to solve the technical problem, the invention provides a wireless temperature measurement system for a power distribution room, which comprises a wireless temperature sensor, a wireless temperature measurement terminal and a data background, wherein the wireless temperature measurement terminal is connected with the wireless temperature sensor;
the wireless temperature sensor is arranged at a temperature measuring heating point of the power distribution room and used for acquiring the temperature of the heating point in real time and transmitting the temperature to the wireless temperature measuring terminal; the wireless temperature sensor comprises an energy obtaining device which is used for obtaining energy through temperature difference at a heating point and supplying energy to the wireless temperature sensor;
the wireless temperature measurement terminal transmits the temperature to the data background through a wireless network, and the data background is used for real-time temperature monitoring display and temperature threshold value alarm.
As a further improvement of the invention, the wireless temperature sensor further comprises a temperature measuring component, the temperature measuring component comprises a probe, a compensation wire, a converter and a wireless communication chip which are sequentially connected, the probe is used for converting a temperature signal into a voltage signal, the compensation wire is used for transmitting the voltage signal of the probe to the converter, the converter is used for processing and amplifying the voltage signal and outputting the voltage signal to the wireless communication chip, the wireless communication chip is used for wirelessly transmitting the voltage signal to the wireless temperature measuring terminal through LoRa modulation, and the energy taking device is connected with the probe.
As a further improvement of the invention, the energy taking device comprises an insulating shell and a thermoelectric generation assembly, the thermoelectric generation assembly is arranged in the insulating shell, the thermoelectric generation assembly comprises a P-N thermoelectric unit and conducting strips, the conducting strips are arranged at two ends of the P-N thermoelectric unit, and the temperature measuring assembly is arranged between the P end and the N end of the P-N thermoelectric unit.
As a further improvement of the invention, one end of the insulating shell corresponding to the probe is of a honeycomb-hole-shaped structure, and the insulating shell is made of ceramic materials.
As a further improvement of the present invention, the wireless communication chip is an LoRa chip.
As a further improvement of the invention, the probe adopts an S-shaped thermocouple, the converter comprises a signal conditioning circuit and a filter circuit, and a temperature signal measured by the probe is compensated by a compensation lead and then is processed by the signal conditioning circuit and the filter circuit to be output.
As a further improvement of the invention, the wireless temperature measuring terminal is provided with a serial port, and the serial port is connected with a DTU transmission unit.
As a further improvement of the invention, the data background comprises a monitoring PC and a mobile phone terminal.
The wireless temperature measurement method for the power distribution room adopts the wireless temperature measurement system for the power distribution room to measure the temperature, and comprises the following steps of:
s1: the temperature measurement heating point of the power distribution room is provided with a wireless temperature sensor, the temperature of the heating point is collected in real time through the wireless temperature sensor and is transmitted to a wireless temperature measurement terminal, and the energy acquisition device performs temperature difference energy acquisition on the heating point and supplies energy to the wireless temperature sensor;
s2: the wireless temperature measurement terminal transmits the temperature to the data background through a wireless network;
s3: and the data background carries out real-time temperature monitoring display and temperature threshold value alarm.
As a further improvement of the present invention, the temperature threshold alarm in step S3 specifically includes: and setting an alarm temperature threshold value through the data background, and alarming by the data background when the monitored temperature is greater than or equal to the temperature threshold value.
The invention has the beneficial effects that: the wireless temperature measurement system can accurately and timely monitor the real-time temperature of the power equipment in the power distribution room, can be used as a reliable basis for overhauling the equipment, saves labor, improves the working efficiency, reduces the maintenance workload and reduces the occurrence of accidents; the temperature sensor in the system adopts temperature difference energy taking, energy taking and sensing integration is realized, the original design of a main circuit is not influenced, the characteristics of plug and play and flexible arrangement are achieved, and the system is suitable for monitoring the state of a heating point in a power distribution room.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention;
FIG. 2 is a schematic structural diagram of a temperature measuring assembly according to the present invention;
FIG. 3 is a schematic diagram of the temperature sensor of the present invention;
FIG. 4 is a schematic diagram of the energy balance for temperature differential energy harvesting of the present invention;
the reference numbers in the figures illustrate: 1. an insulating housing; 2. a conductive sheet; 3. a P terminal; 4. an N terminal; 5. a temperature measuring component; 51. a probe.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Example one
Referring to fig. 1, an embodiment of the present invention provides a wireless temperature measurement system for a distribution room, including a wireless temperature sensor, a wireless temperature measurement terminal, and a data background;
the wireless temperature sensor is arranged at a temperature measuring heating point of the power distribution room and used for acquiring the temperature of the heating point in real time and transmitting the temperature to the wireless temperature measuring terminal; the wireless temperature sensor comprises an energy obtaining device which is used for obtaining energy through temperature difference at a heating point and supplying energy to the wireless temperature sensor;
the wireless temperature measurement terminal transmits the temperature to the data background through a wireless network, and the data background is used for real-time temperature monitoring display and temperature threshold value alarm.
Specifically, temperature sensor sets up on the distribution room equipment, can arrange the generating heat point position temperature such as distribution room generating line, upper and lower contact, cable joint, transformer business turn over line and frequency conversion cabinet fin carry out real-time supervision, temperature sensor transmits to wireless temperature measurement terminal after gathering temperature signal again, wireless temperature measurement terminal passes through wireless network with temperature signal transmission to data backstage, the signal that comes from wireless temperature measurement terminal is received to the data backstage, display signal on the display screen of surveillance center, this system can cooperate with electric power automation system, realize data management, implement the control, low-cost high benefit: after the system is used, the cost for purchasing an expensive thermodetector is saved; not only saves personnel, but also improves the working efficiency; the maintenance workload is greatly reduced; the probability of accidents is reduced as much as possible.
As a further improvement of the embodiment, the wireless temperature measuring terminal is provided with a serial port which is connected with a DTU transmission unit. The data background comprises a monitoring PC and a mobile phone terminal. The wireless temperature measurement terminal is provided with serial server and display port, and serial connection has DTU transmission unit to transmit temperature signal to the surveillance center, perhaps wireless temperature measurement terminal passes through wireless GPRS network with temperature signal transmission to the surveillance center, and the surveillance center passes through the signal that the PC received from wireless temperature measurement terminal, shows the signal on the display screen of surveillance center, perhaps also can come the received signal through the app of cell-phone end, carries out real-time supervision on the cell-phone.
Example two
Referring to fig. 1 to 3, an embodiment of the present invention provides a wireless temperature measurement system for a distribution room, and based on the first embodiment, the wireless temperature sensor further includes a temperature measurement assembly 5, where the temperature measurement assembly 5 includes a probe 51, a compensation wire, a converter and a wireless communication chip, which are connected in sequence, the probe 51 is configured to convert a temperature signal into a voltage signal, the compensation wire is configured to transmit the voltage signal of the probe to the converter, the converter is configured to process and amplify the voltage signal and output the voltage signal to the wireless communication chip, the wireless communication chip is configured to wirelessly transmit the voltage signal to a wireless temperature measurement terminal through LoRa modulation, and the energy obtaining device is connected to the probe. The external temperature signal is converted into a voltage signal through the sensor probe, the signal of the probe end is transmitted to the temperature converter through the compensating lead, and the converter processes and amplifies the voltage signal at the probe end and outputs a standard voltage signal meeting the requirement.
Specifically, the energy taking device comprises an insulating shell 1 and a thermoelectric generation assembly, wherein the thermoelectric generation assembly is arranged in the insulating shell 1 and comprises a P-N thermoelectric unit and conducting strips 2, the conducting strips 2 are arranged at two ends of the P-N thermoelectric unit, and a temperature measuring assembly 5 is arranged between a P end 3 and an N end 4 of the P-N thermoelectric unit. One end of the insulating shell 1 corresponding to the probe 51 is in a honeycomb-shaped structure, and the insulating shell 1 is made of ceramic materials. The probe 51 is an S-shaped thermocouple, the converter comprises a signal conditioning circuit and a filter circuit, and a temperature signal measured by the probe is compensated by a compensation wire and then is processed by the signal conditioning circuit and the filter circuit to be output. The sensor sensing element selects an s-type thermocouple as a temperature sensing element, and because the thermocouple temperature sensor is the temperature difference between a measuring end and a reference end, a platinum resistor is required to be used for cold end compensation at the reference end. The wireless temperature sensor shell adopts a honeycomb-shaped structure to reduce the impact of high-temperature airflow on the sensor probe thermocouple wire, the outside utilizes honeycomb ceramic to wrap up to ensure that the inside of the probe 51 is isolated from the outside air, a good sealing effect is achieved, and meanwhile, an insulating effect can be achieved between the thermocouple wire and the wall of the probe shell. The environment-friendly ceramic material has the specific properties of high strength, high temperature resistance, corrosion resistance, wear resistance and the like. The method has good effect on avoiding the corrosion of water, air and some acid and alkali substances.
According to the principle of the energy taking device, the thermoelectric generation technology is based on the Seebeck effect, referring to fig. 3, a thermoelectric generation assembly sequentially comprises an insulating shell with honeycomb holes, a hot-side conducting strip, a P-N thermoelectric unit, a cold-side conducting strip and a cold-side ceramic insulating shell from top to bottom. By means of the cold and hot side conductive sheets, the P-N thermoelectric units are in series connection on the electrical layer surface and in parallel connection on the heat flow layer surface. A load is connected to the thermoelectric power generation assembly, and a high-temperature end (namely a hot end) is formed if heat flow flows into one end of the thermoelectric unit; heat will be dissipated from the other end to form a low temperature end (i.e., cold end), and a temperature gradient field is established between the hot and cold ends of the thermoelectric element. Holes (P type) and electrons (N type) in the thermoelectric unit at a high temperature end begin to diffuse to a low temperature end under the drive of a temperature field, so that a potential difference is formed at two ends of a P-N couple arm, and current can be generated in a circuit under a load condition. Fig. 4 is a schematic diagram of temperature distribution and energy balance of the thermoelectric generation assembly, and an energy balance equation of the cold side and the hot side of the thermoelectric generation assembly is shown as follows:
Qhm＝IStcTtc，h+Qtm-1/2I2Rint
Qcm＝IStcTtc，h+Qtm+1/2I2Ri
wherein R isintIs an integral resistor of the thermoelectric power generation component, which comprises a thermocouple resistor RtcAnd contact resistance R:
Rint＝Rtc+Rct
q in the formulamAnd QcmRespectively the heat energy, Q, flowing through the cold and hot sides of the thermoelectric generation assemblymFor thermal energy flowing between the thermocouple and the air gap, Qm，OemAnd QmCan be calculated by the following formulas:
Qhm＝Khm(Th-Ttc，h)
Qcm＝Kcm(Ttc，c-Tc)
Qtm＝(Ktc+Kgap)(Ttc，h-Ttc，c)
wherein KhmAnd KcmThe overall thermal conductivity of the hot and cold sides of the thermoelectric generation assembly can be calculated by the following formula:
1/Khm＝1/Kcp+1/Kct，h
1/Kcm＝1/Kcp+1/Kct，c
wherein Kct，hAnd Kct，hThe contact heat conductivity coefficients of the hot side and the cold side and the thermoelectric generation assembly are respectively.
Based on the seebeck effect, when different temperatures are applied to two sides of the thermoelectric generation assembly, electric potentials are generated at two ends of the assembly, and the open-circuit voltage of the thermoelectric generation assembly can be calculated by the following formula:
Vtem，ocv＝Stc(Ttc，h-Ttc，c)
when the thermoelectric generation component is a load RloadWhen power is supplied, the current flowing through the closed loop is as follows:
I＝Vtem，ocv/(Rint+Rload)
the open circuit voltage and output power of a thermoelectric generation assembly can be calculated by the following equations:
Vtem，o＝Vtem，ocv-IRint
Ptem，o＝Vtem，0I
the energy taking and sensing integrated design can be realized based on the temperature difference energy taking of the heat source, the original design of a main circuit is not influenced, the plug-and-play and flexible deployment characteristics are achieved, and the method is suitable for being applied to the state monitoring of the converter valve.
As a further modification of the present embodiment, the wireless communication chip employs an LoRa chip. The Long Range low power consumption data transmission technology (Long Range for short) of the LORa chip has the advantages of Long transmission distance, high reliability and receiving sensitivity of-141 dbm, which is higher than that of other similar communication modules in the market by 10 dbm. Meanwhile, LoRa is relatively traditional modulation technologyTMThe modulation technology has obvious advantages in the aspects of anti-blocking and selection, and the problem that the traditional design scheme cannot simultaneously give consideration to distance, anti-interference and power consumption is solved. The advantages of the LoRa spread spectrum technology are particularly obvious in the environment with more complicated industrial field wireless devices, the penetrating power and stability of signals can be ensured, and the transmission distance and the anti-interference capability of spread spectrum communication are improved by more than one time compared with single frequency communication. The LORA chip multi-channel networking can effectively prevent channel congestion, a unique lead code detection technology prevents data from being received by mistake, and stability and accuracy of the data are guaranteed.
EXAMPLE III
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a distribution room wireless temperature measurement method, where a distribution room wireless temperature measurement system in the first embodiment is used to measure temperature, and the method includes the following steps:
s1: the temperature measurement heating point of the power distribution room is provided with a wireless temperature sensor, the temperature of the heating point is collected in real time through the wireless temperature sensor and is transmitted to a wireless temperature measurement terminal, and the energy acquisition device performs temperature difference energy acquisition on the heating point and supplies energy to the wireless temperature sensor;
s2: the wireless temperature measurement terminal transmits the temperature to the data background through a wireless network;
s3: and the data background carries out real-time temperature monitoring display and temperature threshold value alarm.
The high-low voltage distribution room wireless temperature measurement system is provided with a temperature sensor which is arranged at heating parts such as a bus bar, an upper contact, a lower contact, a cable joint, a transformer inlet and outlet wire, a frequency conversion cabinet radiating fin and the like in a switch cabinet and used for monitoring the temperature of the bus bar, the upper contact, the lower contact, the cable joint, the transformer inlet and outlet wire, the frequency conversion cabinet radiating fin and the like in real time. The temperature sensor collects temperature signals and then transmits the temperature signals to the wireless temperature measuring terminal, the wireless temperature measuring terminal is provided with a serial server and a display port, the serial connection is provided with a DTU transmission unit to transmit the temperature signals to the data background monitoring center, or the wireless temperature measuring terminal transmits the temperature signals to the data background monitoring center through a wireless GPRS network, the data background monitoring center receives the signals from the wireless temperature measuring terminal through a PC, and the signals are displayed on a display screen of the monitoring center.
As a further improvement of this embodiment, the temperature threshold alarm in step S3 specifically includes: and setting an alarm temperature threshold value through the data background, and alarming by the data background when the monitored temperature is greater than or equal to the temperature threshold value. Frequent sampling can timely master the temperature of a measured target, the alarm is immediately given out when the temperature exceeds the limit, the missing report is avoided, the low power consumption requirement of equipment is fully considered in multiple judgment, the emission times are reduced in the normal range of the temperature of the measured target, the battery loss is reduced, and invalid data accumulation is avoided.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides a wireless temperature measurement system of electricity distribution room which characterized in that: the system comprises a wireless temperature sensor, a wireless temperature measuring terminal and a data background;
the wireless temperature sensor is arranged at a temperature measuring heating point of the power distribution room and used for acquiring the temperature of the heating point in real time and transmitting the temperature to the wireless temperature measuring terminal; the wireless temperature sensor comprises an energy obtaining device which is used for obtaining energy through temperature difference at a heating point and supplying energy to the wireless temperature sensor;
the wireless temperature measurement terminal transmits the temperature to the data background through a wireless network, and the data background is used for real-time temperature monitoring display and temperature threshold value alarm.
2. The wireless temperature measurement system for the power distribution room as claimed in claim 1, wherein: the wireless temperature sensor further comprises a temperature measuring assembly, the temperature measuring assembly comprises a probe, a compensation wire, a converter and a wireless communication chip which are sequentially connected, the probe is used for converting temperature signals into voltage signals, the compensation wire is used for transmitting the voltage signals of the probe to the converter, the converter is used for processing and amplifying the voltage signals and outputting the voltage signals to the wireless communication chip, the wireless communication chip is used for wirelessly transmitting the voltage signals to the wireless temperature measuring terminal through LoRa modulation, and the energy taking device is connected with the probe.
3. The wireless temperature measurement system for the power distribution room as claimed in claim 2, wherein: the energy taking device comprises an insulating shell and a thermoelectric generation assembly, the thermoelectric generation assembly is arranged in the insulating shell and comprises a P-N thermoelectric unit and conducting strips, the conducting strips are arranged at two ends of the P-N thermoelectric unit, and the temperature measuring assembly is arranged between the P end and the N end of the P-N thermoelectric unit.
4. The wireless temperature measurement system for the power distribution room as claimed in claim 3, wherein: one end of the insulating shell corresponding to the probe is of a honeycomb-hole-shaped structure, and the insulating shell is made of ceramic materials.
5. The wireless temperature measurement system for the power distribution room as claimed in claim 2, wherein: the wireless communication chip adopts a LoRa chip.
6. The wireless temperature measurement system for the power distribution room as claimed in claim 2, wherein: the temperature signal measured by the probe is compensated by the compensation lead and then is output after being processed by the signal conditioning circuit and the filter circuit.
7. The wireless temperature measurement system for the power distribution room as claimed in claim 1, wherein: the wireless temperature measurement terminal is provided with a serial port, and the serial port is connected with a DTU transmission unit.
8. The wireless temperature measurement system for the power distribution room as claimed in claim 1, wherein: the data background comprises a monitoring PC and a mobile phone terminal.
9. A wireless temperature measurement method for a distribution room is characterized by comprising the following steps: the distribution room wireless temperature measurement system for measuring the temperature according to any one of claims 1-8 comprises the following steps:
s1: the temperature measurement heating point of the power distribution room is provided with a wireless temperature sensor, the temperature of the heating point is collected in real time through the wireless temperature sensor and is transmitted to a wireless temperature measurement terminal, and the energy acquisition device performs temperature difference energy acquisition on the heating point and supplies energy to the wireless temperature sensor;
s2: the wireless temperature measurement terminal transmits the temperature to the data background through a wireless network;
s3: and the data background carries out real-time temperature monitoring display and temperature threshold value alarm.
10. The wireless temperature measuring method for the power distribution room as claimed in claim 9, wherein: the temperature threshold alarm in step S3 specifically includes: and setting an alarm temperature threshold value through the data background, and alarming by the data background when the monitored temperature is greater than or equal to the temperature threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110764074.2A CN113375818A (en) | 2021-07-06 | 2021-07-06 | Wireless temperature measurement system and method for distribution room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110764074.2A CN113375818A (en) | 2021-07-06 | 2021-07-06 | Wireless temperature measurement system and method for distribution room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113375818A true CN113375818A (en) | 2021-09-10 |
Family
ID=77581246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110764074.2A Pending CN113375818A (en) | 2021-07-06 | 2021-07-06 | Wireless temperature measurement system and method for distribution room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113375818A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136376A (en) * | 2021-11-30 | 2022-03-04 | 国网宁夏电力有限公司电力科学研究院 | Switchgear monitoring system based on temperature sensor fusion application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201764822U (en) * | 2010-05-13 | 2011-03-16 | 辽宁同辉科技发展有限公司 | Fire-resistance duration test furnace for tunnel fire-resistance protective material |
| CN201800240U (en) * | 2010-08-04 | 2011-04-20 | 安徽鑫阳能源开发有限公司 | Temperature-control honeycomb ceramic infrared heating module |
| CN203443676U (en) * | 2013-09-18 | 2014-02-19 | 国家电网公司 | Wireless temperature sensor capable of supplying power by utilizing temperature difference |
| CN203561449U (en) * | 2013-09-13 | 2014-04-23 | 国家电网公司 | A buried cable intermediate connector temperature online monitoring system |
-
2021
- 2021-07-06 CN CN202110764074.2A patent/CN113375818A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201764822U (en) * | 2010-05-13 | 2011-03-16 | 辽宁同辉科技发展有限公司 | Fire-resistance duration test furnace for tunnel fire-resistance protective material |
| CN201800240U (en) * | 2010-08-04 | 2011-04-20 | 安徽鑫阳能源开发有限公司 | Temperature-control honeycomb ceramic infrared heating module |
| CN203561449U (en) * | 2013-09-13 | 2014-04-23 | 国家电网公司 | A buried cable intermediate connector temperature online monitoring system |
| CN203443676U (en) * | 2013-09-18 | 2014-02-19 | 国家电网公司 | Wireless temperature sensor capable of supplying power by utilizing temperature difference |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136376A (en) * | 2021-11-30 | 2022-03-04 | 国网宁夏电力有限公司电力科学研究院 | Switchgear monitoring system based on temperature sensor fusion application |
| CN114136376B (en) * | 2021-11-30 | 2024-06-04 | 国网宁夏电力有限公司电力科学研究院 | Switching equipment monitoring system based on temperature sensor fusion application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101174759B (en) | Integrated monitoring apparatus for electrical power distribution | |
| CN203502135U (en) | Temperature monitor apparatus for high-voltage electric power equipment | |
| CN201118104Y (en) | Electrical distribution integrated monitoring apparatus | |
| CN112304463B (en) | Cable joint temperature rise fault monitoring method and monitoring device based on temperature difference method | |
| CN108767983A (en) | A kind of the micromation intelligent on-line monitoring device and monitoring method of low-voltage distribution apparatus | |
| CN113176011B (en) | Intelligent temperature measuring method and system of surface mounted sensor based on Internet of things | |
| CN208209630U (en) | A kind of the micromation intelligent on-line monitoring device and monitoring system of low-voltage distribution apparatus | |
| CN103512670A (en) | A wireless temperature measurement system based on a radio frequency technique | |
| CN202033677U (en) | Temperature and humidity on-line monitoring and early warning system in substation | |
| CN113375818A (en) | Wireless temperature measurement system and method for distribution room | |
| CN201976259U (en) | Distributed temperature measuring system based on wireless sensor network for high-voltage equipment | |
| CN107727968A (en) | A kind of dry-type transformer condition monitoring device | |
| CN207976551U (en) | A kind of cable fire protection device based on gas sensor | |
| CN207379616U (en) | A kind of pessimistic securit switch temperature on-Line Monitor Device | |
| CN202869655U (en) | Online temperature monitoring device of high-voltage electrical equipment | |
| CN217738313U (en) | Real-time comprehensive monitoring device for distribution network cable connector operating environment | |
| CN202041311U (en) | Satellite ground power supply and distribution cable temperature monitoring system | |
| CN206479801U (en) | A kind of Temperature sampler and temperature monitoring system automatically configured at the scene | |
| Huang et al. | An online temperature monitoring system of substation based on Zigbee wireless network | |
| CN108627278A (en) | Temperature monitoring equipment and system | |
| CN102914370A (en) | On-line temperature monitoring device for high-voltage electric equipment | |
| CN201955170U (en) | Electronic temperature indicating wax plate device | |
| CN106197698A (en) | A kind of power equipment temperature monitoring method and system | |
| Lu et al. | Substation equipment temperature monitoring system design based on self-powered wireless temperature sensors | |
| CN219015501U (en) | Intelligent temperature measuring device for overcurrent component of generator excitation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210910 |