CN110907044A - Wireless passive temperature monitoring system for elbow-shaped head of ring main unit - Google Patents
Wireless passive temperature monitoring system for elbow-shaped head of ring main unit Download PDFInfo
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- CN110907044A CN110907044A CN201911274288.0A CN201911274288A CN110907044A CN 110907044 A CN110907044 A CN 110907044A CN 201911274288 A CN201911274288 A CN 201911274288A CN 110907044 A CN110907044 A CN 110907044A
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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
- G01K13/00—Thermometers specially adapted for specific purposes
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Abstract
本发明公开了一种环网柜肘型头用无线无源温度监测系统，包括监测装置主体，所述监测装置主体的上端外表面设置有第一散热箱，且监测装置主体的一侧外表面设置有第二散热箱，所述监测装置主体的另一侧外表面设置有第三散热箱；所述监测装置主体的下端外表面开设有安装槽，所述监测装置主体的下端外表面靠近一侧的位置焊接有安装座，监测装置主体的下端外表面靠近另一侧的位置焊接有固定座，所述安装座与固定座之间的位置设置有固定带；所述监测装置主体的前端外表面焊接有总控箱；所述第一散热箱、第二散热箱与第三散热箱的外表面均镶嵌有防护网；本发明的有益效果是：安装使用方便，并且具备了更多的功能，同时监控的效果更好。
The invention discloses a wireless passive temperature monitoring system for an elbow-shaped head of a ring main unit, comprising a monitoring device main body. A second heat dissipation box is provided, and a third heat dissipation box is provided on the outer surface of the other side of the monitoring device main body; a mounting groove is provided on the outer surface of the lower end of the monitoring device main body, and the outer surface of the lower end of the monitoring device main body is close to a A mounting seat is welded on one side, a fixing seat is welded on the outer surface of the lower end of the monitoring device main body near the other side, and a fixing belt is arranged between the mounting seat and the fixing seat; A general control box is welded on the surface; the outer surfaces of the first cooling box, the second cooling box and the third cooling box are all inlaid with protective nets; the beneficial effects of the present invention are: easy to install and use, and have more functions , and the monitoring effect is better.
Description
Technical Field
The invention relates to a temperature monitoring system, in particular to a wireless passive temperature monitoring system for an elbow type head of a ring main unit, and belongs to the technical field of temperature monitoring application.
Background
The elbow type plug is used for a main line or main line branch system in a box transformer substation, a ring main unit and a cable tapping box, can be inserted into the 200A side of a 200A sleeve and a T-II cable connector, is suitable for a cable section of 25-150mm2, has an arc extinguishing function as a conducting rod connector, can be used as a load switch to operate 200A current, is easy to generate heat in the using process, and therefore the temperature of the load switch needs to be monitored.
The Chinese patent with the publication number of CN108301990B discloses a temperature monitoring system and a temperature monitoring method for a wind generating set and a high-speed shaft brake disc thereof. The temperature monitoring system may include: the temperature sensor is used for sensing the temperature of a brake pad corresponding to a high-speed shaft brake disc of the wind generating set and transmitting the sensed temperature to the brake temperature acquisition module; the brake temperature acquisition module is arranged in a cabin cabinet of the wind generating set and used for transmitting the temperature sensed by the temperature sensor to the controller. According to the temperature monitoring system and the temperature monitoring method, the temperature of the hazard source can be sensed so as to provide useful information for the abnormity judgment of the wind generating set; but its function is more single.
The existing temperature monitoring system only has the function of temperature monitoring, can not meet the use requirements of users, is poor in monitoring effect, easily causes accidents, is not convenient to install and use, and brings certain influence to the use of the temperature monitoring system.
Disclosure of Invention
The invention aims to solve the problems that the existing temperature monitoring system only has a temperature monitoring function, cannot meet the use requirement of a user, is poor in monitoring effect, is easy to cause accidents, is not convenient to install and use, and brings certain influence to the use of the temperature monitoring system, and the wireless passive temperature monitoring system for the elbow-shaped head of the ring main unit is provided.
The purpose of the invention can be realized by the following technical scheme: a wireless passive temperature monitoring system for an elbow type head of a ring main unit comprises a monitoring device main body, wherein a first heat dissipation box is arranged on the outer surface of the upper end of the monitoring device main body, a second heat dissipation box is arranged on the outer surface of one side of the monitoring device main body, and a third heat dissipation box is arranged on the outer surface of the other side of the monitoring device main body;
the outer surface of the lower end of the monitoring device main body is provided with an installation groove, a mounting seat is welded at a position, close to one side, of the outer surface of the lower end of the monitoring device main body, a fixed seat is welded at a position, close to the other side, of the outer surface of the lower end of the monitoring device main body, and a fixed belt is arranged between the mounting seat and the fixed seat; a master control box is welded on the outer surface of the front end of the monitoring device main body;
protective nets are inlaid on the outer surfaces of the first heat dissipation box, the second heat dissipation box and the third heat dissipation box, fan frames are arranged inside the first heat dissipation box, the second heat dissipation box and the third heat dissipation box, a heat dissipation fan is fixedly arranged inside the fan frames, mounting columns are welded on the outer surfaces of the fan frames, and one ends, far away from the fan frames, of the mounting columns are fixedly connected with the inner walls of the first heat dissipation box, the second heat dissipation box and the third heat dissipation box;
a communicating groove is formed in the monitoring device main body, a temperature sensor is arranged in the communicating groove, and a through hole is formed in the inner surface of the mounting groove;
the master control box is in communication connection with an external control terminal, a timing module, a data receiving module, a data processing module, a master control module and an information sending module are arranged inside the master control box, and the data receiving module is in communication connection with the temperature sensor;
the data receiving module is used for receiving temperature information collected by the temperature sensor and timing information sent by the timing module, and sending the temperature information and the timing information to the data processing module, the data processing module is used for processing the temperature information and the timing information and processing the temperature information and the timing information into timing cooling information, first-level cooling information, second-level cooling information, third-level cooling information and alarm information, and the master control module is used for processing the first-level cooling information, the second-level cooling information, the third-level cooling information and the alarm information into first-level cooling instructions, second-level cooling instructions, third-level cooling instructions and alarm instructions respectively.
The monitoring device comprises a monitoring device body, a first heat dissipation box, a second heat dissipation box and a third heat dissipation box, wherein the outer surface of the monitoring device body is welded with an installation block, the inner surface of the installation block is provided with a threaded hole, the inner part of the threaded hole is connected with a fixed pin through a bolt, and the first heat dissipation box, the second heat dissipation box and the third heat dissipation box are fixedly connected through the installation block and the monitoring device body.
The fixing device is characterized in that a connecting shaft penetrates through the mounting seat, the connecting shaft penetrates through the fixing band, a jack is formed in the inner surface of the fixing seat, a limiting pin is inserted into the jack, a slot is formed in the fixing seat, one end of the fixing band penetrates through the slot, limiting holes are formed in the inner surface of the fixing band, the number of the limiting holes is a plurality of groups, and the limiting holes are arranged equidistantly.
The mounting column comprises a first column body and a second column body, the second column body is inserted into the first column body, a buffer spring is arranged inside the first column body, one end of the buffer spring is welded with the first column body, and the other end of the buffer spring is welded with the second column body.
Further, the specific processing procedure of the timing cooling information is as follows:
the method comprises the following steps: setting a time point A, and recording the temperature K acquired by the temperature sensor at the time point A;
step two: the heat dissipation fans in the first heat dissipation box, the second heat dissipation box and the third heat dissipation box operate simultaneously, when the temperature sensor monitors that the temperature drops to a preset value P, the heat dissipation fans in the first heat dissipation box, the second heat dissipation box and the third heat dissipation box stop operating, and the time point B when the heat dissipation fans in the first heat dissipation box, the second heat dissipation box and the third heat dissipation box stop operating is recorded;
step three: the time length C can be obtained by subtracting the time point A from the formula time point B;
step four: subtracting a preset value P from the formula temperature K to obtain a temperature Kp;
step five: dividing the formula temperature Kp by the time length C to obtain a temperature reduction amount Kpc per minute;
step six: the temperature reduction amount Kpc per minute is timing temperature reduction information;
after the timing cooling information is sent to an external control terminal by the master control module through the information sending module, a user sets the timing cooling through the external control terminal;
the specific processing procedures of the first cooling information, the second cooling information and the third cooling information are as follows:
the method comprises the following steps: marking the temperature acquired in real time on the temperature sensor as Qt;
step two: when Qt is larger than a preset value M1 but smaller than a preset value M2, first cooling information is generated;
step three: when Qt is larger than a preset value M2 but smaller than a preset value M3, second cooling information is generated;
step four: when Qt is larger than a preset value M3, third cooling information is generated;
the first cooling information is converted into a first cooling instruction by the master control module and then is sent to any one of the first cooling box, the second cooling box and the third cooling box;
the second cooling information is converted into a second cooling instruction by the master control module and then is sent to any two of the first cooling box, the second cooling box and the third cooling box;
and the second cooling information is converted into a second cooling instruction by the master control module and then is simultaneously sent to the first cooling box, the second cooling box and the third cooling box.
Further, the specific processing procedure of the alarm information is as follows:
the method comprises the following steps: the third heat dissipation information is converted into a third heat dissipation instruction and sent to the first heat dissipation box, the second heat dissipation box and the third heat dissipation box;
step two: after the cooling fans in the first cooling box, the second cooling box and the third cooling box operate for a preset time at the same time, the temperature sensors can acquire temperature information again;
step three: marking the temperature information collected this time as Gt, and generating alarm information when the temperature information Gt collected this time is greater than a preset value;
step four: meanwhile, when the temperature sensor collects that the temperature exceeds the preset temperature Pt in real time, and the time length when the temperature exceeds the preset temperature Pt exceeds the preset time length, alarm information is directly generated;
the alarm information is converted into an alarm instruction by the master control module and is sent to an external control terminal.
Compared with the prior art, the invention has the beneficial effects that:
1. the monitoring device is provided with the monitoring device main body, the outer surface of the lower end of the monitoring device main body is provided with the installation groove, the installation groove is designed in a semicircular shape, a worker enables the monitoring device main body to be clamped on the elbow type head of the ring main unit through the installation groove, then one end of the fixing belt installed on the installation seat through the connecting shaft passes through the insertion groove on the fixing seat, then a user adjusts the tightness of the fixing belt, the limiting pin is inserted into the insertion hole, the limiting pin passes through the insertion hole and is inserted into the limiting hole on the fixing belt, the length of the fixing belt is fixed, and therefore the whole monitoring device protection body is stably fixed on the elbow type head of the ring main unit, the system is more convenient to install and use, and can be better matched with the;
2. the temperature acquired by the temperature sensor in real time is processed to obtain first cooling information, second cooling information and third cooling information, the temperature acquired by the temperature sensor in real time is marked as Qt, when the Qt is greater than a preset value M1 and smaller than a preset value M2, the first cooling information is generated, when the Qt is greater than a preset value M2 and smaller than a preset value M3, the second cooling information is generated, when the Qt is greater than a preset value M3, the third cooling information is generated, the first cooling information is converted into a first cooling instruction by the master control module and then is sent to any one of the first cooling box, the second cooling box and the third cooling box, namely a cooling fan inside any one of the first cooling box, the second cooling box and the third cooling box operates to dissipate heat, the second cooling information is converted into a second cooling instruction by the master control module and then is sent to the first cooling box, Any two of the second heat dissipation box and the third heat dissipation box, namely the heat dissipation fans in any two of the first heat dissipation box, the second heat dissipation box and the third heat dissipation box, operate to dissipate heat, and the second cooling information is converted into a second cooling instruction by the master control module and then is simultaneously sent to the first heat dissipation box, the second heat dissipation box and the third heat dissipation box, namely the heat dissipation fans in the first heat dissipation box, the second heat dissipation box and the third heat dissipation box operate to dissipate heat;
3. when the temperature monitored by the temperature sensor is overhigh, an alarm instruction is sent out, third heat dissipation information is converted into a third heat dissipation instruction and sent to the first heat dissipation box, the second heat dissipation box and the third heat dissipation box, the temperature sensor can acquire temperature information again after the heat dissipation fans in the first heat dissipation box, the second heat dissipation box and the third heat dissipation box operate for a preset time simultaneously, the acquired temperature information is marked as Gt, when the acquired temperature information Gt is larger than a preset value, alarm information is generated, meanwhile, when the temperature is acquired by the temperature sensor in real time and exceeds the preset temperature Pt, and when the temperature exceeds the preset temperature Pt and the duration of the preset temperature exceeds the preset duration, the alarm information is directly generated, the alarm information can better remind workers when the temperature is overhigh, so that the workers can rapidly overhaul, and accidents caused by untimely maintenance of elbow type hair failure of the ring main unit are avoided, the monitoring effect of the system is further improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is an internal view of the monitoring device body of the present invention;
FIG. 3 is an interior view of a first heat sink case of the present invention;
FIG. 4 is an enlarged view at A of FIG. 1 of the present invention;
FIG. 5 is an overall view of the mounting post of the present invention;
FIG. 6 is a view showing the installation structure of the fixing band of the present invention;
FIG. 7 is a block diagram of the structure of the master control box of the present invention.
In the figure: 1. a monitoring device main body; 101. mounting blocks; 102. a threaded hole; 103. a fixing pin; 2. a first heat dissipation box; 3. a second heat dissipation box; 4. a third heat dissipation box; 5. mounting grooves; 6. a mounting seat; 601. a connecting shaft; 7. a fixed seat; 701. a jack; 702. a spacing pin; 703. a slot; 8. fixing belts; 801. a limiting hole; 9. a master control box; 10. a protective net; 11. a fan frame; 12. a heat radiation fan; 13. mounting a column; 131. a first column; 132. a buffer spring; 133. a second cylinder; 14. a communicating groove; 15. a temperature sensor; 16. and (4) through holes.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a wireless passive temperature monitoring system for an elbow type head of a ring main unit comprises a monitoring device main body 1, wherein a first heat dissipation box 2 is arranged on the outer surface of the upper end of the monitoring device main body 1, a second heat dissipation box 3 is arranged on the outer surface of one side of the monitoring device main body 1, and a third heat dissipation box 4 is arranged on the outer surface of the other side of the monitoring device main body 1;
the outer surface of the lower end of the monitoring device main body 1 is provided with a mounting groove 5, the outer surface of the lower end of the monitoring device main body 1 is welded with a mounting seat 6 at a position close to one side, the outer surface of the lower end of the monitoring device main body 1 is welded with a fixing seat 7 at a position close to the other side, a fixing band 8 is arranged between the mounting seat 6 and the fixing seat 7, a connecting shaft 601 penetrates through the mounting seat 6, the connecting shaft 601 fixes one end of the fixing band 8 on the mounting seat 6, the inner surface of the fixing seat 7 is provided with a jack 701, a limiting pin 702 is inserted into the jack 701, a slot 703 is arranged inside the fixing seat 7, one end of the fixing band 8 penetrates through the slot 703, the inner surface of the fixing band 8 is provided with a limiting hole 801, the limiting 702 penetrates through the jack 701 and enters and exits into the limiting hole, the number of the limiting holes 801 is a plurality of groups, and the limiting holes 801 are arranged at equal intervals;
the outer surface of the front end of the monitoring device main body 1 is welded with a master control box 9;
the outer surfaces of the first heat dissipation box 2, the second heat dissipation box 3 and the third heat dissipation box 4 are all embedded with a protective screen 10, the protective screen 10 plays a role of dust prevention, the first heat dissipation box 2, the fan frame 11 is arranged inside the second heat dissipation box 3 and the third heat dissipation box 4, the heat dissipation fan 12 is fixedly arranged inside the fan frame 11, the mounting column 13 is welded on the outer surface of the fan frame 11, one end, far away from the fan frame 11, of the mounting column 13 is fixedly connected with the inner walls of the first heat dissipation box 2, the second heat dissipation box 3 and the third heat dissipation box 4, the mounting column 13 comprises a first column 131 and a second column 133, the second column 133 is inserted into the first column 131, a buffer spring 132 is arranged inside the first column 131, one end of the buffer spring 132 is welded with the first column 131, the other end of the buffer spring 132 is welded with the second column 133, and the buffer spring 132 can absorb vibration;
a communicating groove 14 is formed in the monitoring device main body 1, a temperature sensor 15 is arranged in the communicating groove 14, a through hole 16 is formed in the inner surface of the mounting groove 5, the heat dissipation fans 12 in the first heat dissipation box 2, the second heat dissipation box 3 and the third heat dissipation box 4 operate, hot air is sucked into the communicating groove 14 from the through hole 16 and then is discharged from the first heat dissipation box 2, the second heat dissipation box 3 and the third heat dissipation box 4;
the master control box 9 is in communication connection with an external control terminal, a timing module, a data receiving module, a data processing module, a master control module and an information sending module are arranged inside the master control box 9, and the data receiving module is in communication connection with the temperature sensor 15;
the data receiving module is used for receiving temperature information acquired by the temperature sensor 15 and timing information sent by the timing module, and sending the temperature information and the timing information to the data processing module, the data processing module is used for processing the temperature information and the timing information and processing the temperature information and the timing information into timing cooling information, first-level cooling information, second-level cooling information, third-level cooling information and alarm information, and the master control module is used for respectively processing the first-level cooling information, the second-level cooling information, the third-level cooling information and the alarm information into first-level cooling instructions, second-level cooling instructions, third-level cooling instructions and alarm instructions.
The outer surface welding of monitoring devices main part 1 has installation piece 101, and threaded hole 102 has been seted up to installation piece 101 internal surface, and the inside bolted connection of threaded hole 102 has fixed pin 103, and first heat dissipation case 2, second heat dissipation case 3 and third heat dissipation case 4 are all through installation piece 101 and monitoring devices main part 1 fixed connection.
The specific processing process of the timing cooling information is as follows:
the method comprises the following steps: setting a time point A, and recording the temperature K acquired by the temperature sensor 15 at the time point A;
step two: the heat dissipation fans 12 in the first heat dissipation box 2, the second heat dissipation box 3 and the third heat dissipation box 4 operate simultaneously, when the temperature sensor 15 monitors that the temperature drops to a preset value P, the heat dissipation fans 12 in the first heat dissipation box 2, the second heat dissipation box 3 and the third heat dissipation box 4 stop operating, and the time point B when the heat dissipation fans 12 in the first heat dissipation box 2, the second heat dissipation box 3 and the third heat dissipation box 4 stop operating is recorded;
step three: the time length C can be obtained by subtracting the time point A from the formula time point B;
step four: subtracting a preset value P from the formula temperature K to obtain a temperature Kp;
step five: dividing the formula temperature Kp by the time length C to obtain a temperature reduction amount Kpc per minute;
step six: the temperature reduction amount Kpc per minute is timing temperature reduction information;
after the timing cooling information is sent to the external control terminal by the master control module through the information sending module, the user sets the timing cooling through the external control terminal;
the specific processing procedures of the first cooling information, the second cooling information and the third cooling information are as follows:
the method comprises the following steps: marking the temperature acquired in real time on the temperature sensor 15 as Qt;
step two: when Qt is larger than a preset value M1 but smaller than a preset value M2, first cooling information is generated;
step three: when Qt is larger than a preset value M2 but smaller than a preset value M3, second cooling information is generated;
step four: when Qt is larger than a preset value M3, third cooling information is generated;
the first cooling information is converted into a first cooling instruction by the master control module and then is sent to any one of the first cooling box 2, the second cooling box 3 and the third cooling box 4;
the second cooling information is converted into a second cooling instruction by the master control module and then is sent to any two of the first cooling box 2, the second cooling box 3 and the third cooling box 4;
the second cooling information is converted into a second cooling instruction by the master control module and then is simultaneously sent to the first cooling box 2, the second cooling box 3 and the third cooling box 4.
The specific processing procedure of the alarm information is as follows:
the method comprises the following steps: the third heat dissipation information is converted into a third heat dissipation instruction and sent to the first heat dissipation box 2, the second heat dissipation box 3 and the third heat dissipation box 4;
step two: the temperature sensor 15 collects temperature information again after the cooling fans 12 in the first cooling box 2, the second cooling box 3 and the third cooling box 4 operate for a preset time;
step three: marking the temperature information collected this time as Gt, and generating alarm information when the temperature information Gt collected this time is greater than a preset value;
step four: meanwhile, when the temperature sensor 15 collects that the temperature exceeds the preset temperature Pt in real time and the time length of the temperature exceeding the preset temperature Pt exceeds the preset time length, alarm information is directly generated;
the alarm information is converted into an alarm instruction by the master control module and is sent to the external control terminal.
When the invention is used, a worker clamps the monitoring device main body 1 on the elbow type head of the ring main unit through the mounting groove 5, then the worker passes one end of the fixing band 8 which is arranged on the mounting seat 6 through the connecting shaft 601 through the slot 703 on the fixing seat 7, then the user adjusts the tightness of the fixing band 8, then the limiting pin 702 is inserted into the jack 701, the limiting pin 702 is inserted into the limiting hole 801 on the fixing band 8 through the jack 701, the length of the fixing band 8 is fixed, thereby the whole monitoring device protection body 1 is stably fixed on the elbow type head of the ring main unit, the installation and the use of the system are more convenient, the elbow type head of the ring main unit can be better adapted, the first temperature reduction information, the second temperature reduction information and the third temperature reduction information are obtained by processing the temperature which is collected by the temperature sensor 15 in real time, the temperature which is collected by the temperature sensor 15 in real time is marked as Qt, when the Qt is larger than the preset value M1 and smaller than the preset value M2, first cooling information is generated, when the Qt is larger than the preset value M2 and smaller than the preset value M3, second cooling information is generated, when the Qt is larger than the preset value M3, third cooling information is generated, the first cooling information is converted into a first cooling instruction by the general control module and then is sent to any one of the first cooling box 2, the second cooling box 3 and the third cooling box 4, namely the cooling fan 12 in any one of the first cooling box 2, the second cooling box 3 and the third cooling box 4 to operate for cooling, and the second cooling information is converted into a second cooling instruction by the general control module and then is sent to any two of the first cooling box 2, the second cooling box 3 and the third cooling box 4, namely the cooling fans 12 in any two of the first cooling box 2, the second cooling box 3 and the third cooling box 4 to operate for cooling, the second cooling information is converted into a second cooling instruction by the master control module and then is simultaneously sent to the first cooling box 2, the second cooling box 3 and the third cooling box 4, namely the cooling fans 12 in the first cooling box 2, the second cooling box 3 and the third cooling box 4 operate to carry out cooling, different cooling modes can be carried out at different temperatures by a plurality of different cooling modes, so that the system is more energy-saving, avoids the loss of a large amount of electric energy caused by the simultaneous long-time operation of the three cooling fans 12, prolongs the service life of the cooling fans 12, has a cooling function while better monitoring, can meet different use requirements of users, can send an alarm instruction when the temperature monitored by the temperature sensor 15 is overhigh, and the third cooling information is converted into a third cooling instruction and sent to the first cooling box 2, the second cooling box 3 and the third cooling box 4, first heat dissipation case 2, temperature sensor 15 can gather temperature information once more after the time is predetermine in the operation simultaneously of cooling fan 12 in second heat dissipation case 3 and the third heat dissipation case 4, the temperature information mark who gathers this time is Gt, when the temperature information Gt of this time gathering is greater than the default, generate alarm information promptly, simultaneously gather the temperature in real time when temperature sensor 15 and exceed and predetermine temperature Pt, and the temperature surpasss and predetermine the time of presetting temperature Pt and directly generate alarm information when predetermineeing the time, this kind of setting can be when the monitoring temperature is too high better warning staff, let the staff come quick maintenance, avoided looped netowrk cabinet elbow type hair to break down and not in time the unexpected emergence that the maintenance leads to, further promotion the monitoring effect of this system.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
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| CN201911274288.0A CN110907044B (en) | 2019-12-12 | 2019-12-12 | A wireless passive temperature monitoring system for elbow head of ring main unit |
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| CN201911274288.0A CN110907044B (en) | 2019-12-12 | 2019-12-12 | A wireless passive temperature monitoring system for elbow head of ring main unit |
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| CN112179520A (en) * | 2020-09-25 | 2021-01-05 | 国网黑龙江省电力有限公司佳木斯供电公司 | On-line monitoring system for elbow head temperature of ring main unit |
| CN112533424A (en) * | 2020-12-14 | 2021-03-19 | 安徽仕联电气有限公司 | Complete equipment for communication products |
| CN112666999A (en) * | 2020-12-14 | 2021-04-16 | 安徽仕联电气有限公司 | High digital temperature controller of security |
| CN113513744A (en) * | 2021-04-30 | 2021-10-19 | 常州市工业互联网研究院有限公司 | Industrial boiler operational data monitoring devices |
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