CN108616102A - A kind of steel tower dehumidifying deicing device and its control method - Google Patents
A kind of steel tower dehumidifying deicing device and its control method Download PDFInfo
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- CN108616102A CN108616102A CN201810481318.4A CN201810481318A CN108616102A CN 108616102 A CN108616102 A CN 108616102A CN 201810481318 A CN201810481318 A CN 201810481318A CN 108616102 A CN108616102 A CN 108616102A
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- communication
- temperature
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
Abstract
The embodiment of the present application discloses a kind of steel tower dehumidifying deicing device and its control method, icing detection module, temperature and humidity test module and the first communication control module are electrically connected with processor, and power module is separately connected processor, icing detection module, temperature and humidity test module and the first communication control module；Second communication control module is electrically connected with the energization end of wind turbine and resistive heater respectively, the heat input terminal of the fever end connection temperature sensor of resistive heater, the heat input terminal of the heat output end connection hot blast pipe of temperature sensor, the heat output end of hot blast pipe are fixed on communication antenna；First communication control module and the second communication control module communicate to connect.Control system monitors the information such as the temperature, ambient humidity, the icing situation that are installed on around the communication antenna on steel tower, if above- mentioned information influences communication antenna normal work, controls the work of air heating calorifier system, ensures the normal operation of communication antenna.
Description
Technical field
This application involves steel tower protection technology field more particularly to a kind of steel tower dehumidifying deicing device and its control methods.
Background technology
In recent years, as the rapid growth of national economy, power industry are quickly grown, iron tower of power transmission line industry has been pushed
Fast development, power system transmission line steel tower largely built in city or near roads.The tower of iron tower of power transmission line
Belonging to space frame structure, rod piece is mainly made of single equal leg angle or combination angle steel, is connected between rod piece and is used rough bolt,
By bolt by Shear connection, entire tower is made of angle steel, junction steel plate and bolt, and individual part such as column foot etc. is welded by several blocks of steel plates
It is connected into a sub-assembly.
The top shelf of existing iron tower of power transmission line is equipped with transmission line of electricity, and any set is not arranged at steel tower tower body middle part and bottom
Standby installing, a large amount of steel tower tower body utilization rates are relatively low.When traditional communication antenna is installed, to obtain optimal coverage effect,
And interference is reduced, the Clearance requirement around antenna is 50~100m, i.e. antenna bottom should be higher by ambient enviroment 5m (the first Fresnels
Area's radius), therefore, because the general height of iron tower of power transmission line is higher, therefore compares and be suitable as the reliable of communication antenna installation
Medium.
But and iron tower of power transmission line installation communication antenna and when relevant device be likely encountered temperature is low, humidity is big,
The environmental conditions such as easy icing, cause iron tower of power transmission line surface to freeze, influence the reliability service of communication antenna.
Invention content
This application provides a kind of steel tower dehumidifying deicing device and its control methods, to solve transmission line of electricity in the prior art
The problem of steel tower surface icing effect installation communication antenna.
In order to solve the above-mentioned technical problem, the embodiment of the present application discloses following technical solution：
A kind of steel tower dehumidifying deicing device, including：Control system and air heating calorifier system, wherein：The control system
System includes processor, icing detection module, temperature and humidity test module, the first communication control module and power module, the icing
Detection module, temperature and humidity test module and the first communication control module are electrically connected with the processor, the power module point
The processor, icing detection module, temperature and humidity test module and the first communication control module are not connected；The air heats wind
Machine system includes：Wind turbine, the second communication control module, resistive heater, temperature sensor and hot blast pipe, the second communication control
Molding block is electrically connected with the energization end of the wind turbine and the resistive heater respectively, the fever end connection of the resistive heater
The heat output end of the heat input terminal of the temperature sensor, the temperature sensor connects the heat input of the hot blast pipe
End, the heat output end of the hot blast pipe are fixed on communication antenna；First communication control module and described second
Communication control module communicates to connect, and realizes the communication of the control system and the air heating calorifier system.
Optionally, the control system further includes：State monitoring module and GPS positioning module, the state monitoring module
It is electrically connected with the processor with GPS positioning module, the power module is separately connected the state monitoring module and described
GPS positioning module.
Optionally, the power module be wireless induction by electric module, the power module is formed by transmission line of electricity
Electromagnetic field inducing provides power supply.
Optionally, it is provided with coaxial cable between first communication control module and second communication control module,
The both ends of the coaxial cable are separately connected first communication control module and second communication control module.
Optionally, the control system further includes：Base station communication module, the base station communication module pass through base station and backstage
Machine communicates to connect.
A kind of steel tower dehumidifying deicing device control method, the method includes：The icing detection module and temperature of control system
Humidity measurement module detects the humiture information and icing information of communication antenna in real time；The processor of control system is logical by first
The humiture information and icing information are sent to the second communication control module of air heating calorifier system by letter control module；
Second communication control module is according to the humiture information and icing information the control wind turbine and resistive heater received
Work transmits heat by temperature sensor and hot blast pipe to communication antenna.
Optionally, second communication control module controls wind according to the humiture information and icing information received
Machine and resistive heater work, including：According to the humiture information and icing information that receive control wind turbine rotating speed and
The heating power of resistive heater, controlling transmission give the heat of the temperature sensor.
Optionally, the temperature sensor transmits the temperature sensor heat to second communication control module in real time
The temperature of output end, second communication control module are real according to the temperature of the temperature sensor heat output end received
When control wind turbine rotating speed and resistive heater heating power.
As shown from the above technical solution, a kind of steel tower dehumidifying deicing device provided by the embodiments of the present application and its controlling party
Method, including control system and air heating calorifier system, wherein：The control system includes processor, icing detection module, temperature
Humidity measurement module, the first communication control module and power module, the icing detection module, temperature and humidity test module and first
Communication control module is electrically connected with the processor, the power module be separately connected the processor, icing detection module,
Temperature and humidity test module and the first communication control module；The air heating calorifier system includes：Wind turbine, the second communication control mould
Block, resistive heater, temperature sensor and hot blast pipe, second communication control module respectively with the wind turbine and the heating
The energization end of resistance wire is electrically connected, and the fever end of the resistive heater connects the heat input terminal of the temperature sensor, institute
The heat output end for stating temperature sensor connects the heat input terminal of the hot blast pipe, and the heat output end of the hot blast pipe is fixed
It is arranged on communication antenna；First communication control module is communicated to connect with second communication control module, described in realization
The communication of control system and the air heating calorifier system.The application is by control system to the communication day that is installed on steel tower
The information such as temperature, ambient humidity, icing situation around line are monitored, if above- mentioned information influences communication antenna normal work,
The work of air heating calorifier system is then controlled, ensures the normal operation of communication antenna, reduces external environmental factor to communicating day
The influence of line operation.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of steel tower dehumidifying deicing device provided by the present application；
Fig. 2 is a kind of structural schematic diagram of control system provided by the present application；
Fig. 3 is a kind of structural schematic diagram of air heating calorifier system provided by the present application；
In Fig. 1-3, symbolic indication is：1- control systems, 11- processors, 12- icing detection modules, 13- temperature and humidity tests
Module, the first communication control modules of 14-, 15- power modules, 16- state monitoring modules, 17-GPS locating modules, the base stations 18- are logical
Believe module, 2- air heating calorifier systems, 21- wind turbines, the second communication control modules of 22-, 23- resistive heaters, 24- temperature biography
Sensor, 25- hot blast pipes, 3- communication antennas.
Specific implementation mode
The application is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, for a kind of structural schematic diagram of steel tower dehumidifying deicing device provided by the present application, referring to Fig. 1, this Shen
The steel tower dehumidifying deicing device that please be provided includes control system 1 and air heating calorifier system 2.As shown in Fig. 2, the control system
System 1 includes processor 11, icing detection module 12, temperature and humidity test module 13, the first communication control module 14 and power module
15, state monitoring module 16, GPS positioning module 17 and base station communication module 18.The icing detection module 12, temperature and humidity test
Module 13, the first communication control module 14, the state monitoring module 16, GPS positioning module 17 and base station communication module 18 are equal
It is electrically connected with the processor 11.The power module 15 is separately connected the processor 11, icing detection module 12, humiture
Test module 13, the first communication control module 14, the state monitoring module 16, the GPS positioning module 17 and base station communication
Module 18.
Processor 11 is used for the work of all working EM equipment module in coordinated control system, and icing detection module 12 can be real-time
Icing situation to steel tower close to 3 position of communication antenna is detected, and testing result is sent to processor 11.Humiture is surveyed
Temperature and humidity of the die trial block 13 then to steel tower close to 3 position of communication antenna is acquired, and collection result is sent to processing
Device 11.Power module 15 is the electromagnetic field inducing that wireless induction is formed by electric module, the power module 15 by transmission line of electricity
Power supply is provided.And power supply is led to by control system 1 and air heating calorifier system 2 by insulated wire.State monitoring module 16 is real
When monitor control system 1 working condition, if work be abnormal if the working condition of control system 1 can be sent to base station
Communication module 18 is sent to background computer by base station, and staff is handled.GPS positioning module 17 can provide accurately
Position location information, for later stage work personnel maintenance or more exchange device provides safeguard.
As shown in figure 3, the air heating calorifier system 2 includes：Wind turbine 21, the second communication control module 22, heating electricity
Hinder silk 23, temperature sensor 24 and hot blast pipe 25, second communication control module 22 respectively with the wind turbine 21 and it is described plus
The energization end of hot water radiation wire 23 is electrically connected, and the heat that the fever end of the resistive heater 23 connects the temperature sensor 24 is defeated
Enter end, the heat output end of the temperature sensor 24 connects the heat input terminal of the hot blast pipe 25, the hot blast pipe 25
Heat output end is fixed on communication antenna 3.First communication control module 14 and second communication control module
22 communication connections, realize the communication of the control system 1 and the air heating calorifier system 2.The first communication control mould
It is provided with coaxial cable between block 14 and second communication control module 22, the both ends of the coaxial cable are separately connected described
First communication control module 14 and second communication control module 22.
By above-described embodiment it is found that a kind of steel tower provided in this embodiment dehumidifies deicing device, including control system 1 and sky
Gas heating blower system 2, wherein：Control system 1 includes processor 11, icing detection module 12, temperature and humidity test module 13, the
One communication control module 14 and power module 15, state monitoring module 16, GPS positioning module 17 and base station communication module 18.Institute
It is fixed to state icing detection module 12, temperature and humidity test module 13, the first communication control module 14, the state monitoring module 16, GPS
Position module 17 and base station communication module 18 are electrically connected with the processor 11.The power module 15 is separately connected the processing
Device 11, icing detection module 12, temperature and humidity test module 13, the first communication control module 14, the state monitoring module 16, institute
State GPS positioning module 17 and base station communication module 18.Air heating calorifier system 2 includes：Wind turbine 21, the second communication control module
22, resistive heater 23, temperature sensor 24 and hot blast pipe 25, second communication control module 22 respectively with the wind turbine 21
It is electrically connected with the energization end of the resistive heater 23, the fever end of the resistive heater 23 connects the temperature sensor 24
Heat input terminal, the heat output end of the temperature sensor 24 connects the heat input terminal of the hot blast pipe 25, the heat
The heat output end of air hose 25 is fixed on communication antenna 3.First communication control module 14 is communicated with described second
Control module 22 communicates to connect, and realizes the communication of the control system 1 and the air heating calorifier system 2.Described first is logical
Coaxial cable, the both ends difference of the coaxial cable are provided between letter control module 14 and second communication control module 22
Connect first communication control module 14 and second communication control module 22.By control system 1 to being installed on steel tower
On communication antenna 3 around the information such as temperature, ambient humidity, icing situation monitored, if above- mentioned information influences communication day
Line 3 works normally, then controls the work of air heating calorifier system 2, ensure the normal operation of communication antenna 3, reduce external rings
The influence that border factor runs communication antenna 3.
Corresponding with the steel tower of the above-mentioned offer dehumidifying embodiment of deicing device, present invention also provides a kind of dehumidifying of steel tower
The embodiment of deicing device control method, the method includes：
S101, the icing detection module 12 and temperature and humidity test module 13 of control system 1 detect the temperature of communication antenna 3 in real time
Humidity information and icing information.
S102, the processor 11 of control system 1 is by the first communication control module 14 by the humiture information and icing
Information is sent to the second communication control module 22 of air heating calorifier system 2；
S103, second communication control module 22 control wind according to the humiture information and icing information received
Machine 21 and resistive heater 23 work, and heat is transmitted to communication antenna 3 by temperature sensor 24 and hot blast pipe 25.
Specifically, the rotating speed and adding thermal resistance of wind turbine 21 are controlled according to the humiture information and icing information received
The heating power of silk 23, controlling transmission give the heat of the temperature sensor 24.The temperature sensor 24 is in real time to described
Two communication control modules 22 transmit the temperature of 24 heat output end of the temperature sensor, second communication control module 22
According to the rotating speed and resistive heater 23 of the temperature real-time control wind turbine 21 of the 24 heat output end of the temperature sensor received
Heating power.
For example, when environment temperature is less than 0 DEG C, start air heating calorifier system, ensures the heat output end of hot blast pipe 25
Temperature is at 10 DEG C or more.When ambient humidity is higher than 65%, startup air heating calorifier system ensures that the heat of hot blast pipe 25 is defeated
Outlet temperature is higher than 15 DEG C of environment temperature or more；When ambient humidity is higher than 80%, startup air heating calorifier system ensures heat
The heat output end temperature of air hose 25 is higher than 20 DEG C of environment temperature or more；When ambient humidity reaches 95%, startup air heats
Blower fan system ensures the heat output end temperature of hot blast pipe 25 higher than 25 DEG C of environment temperature or more.When environment temperature is higher than 4
DEG C, when ambient humidity is less than 65%, air heating calorifier system stalls, controlling the temperature of air outlet among the above can pass through
The heating power for controlling rotation speed of fan and resistive heater is realized.Certainly the heat of the corresponding hot blast pipe of above-mentioned different humidity 25 is defeated
The temperature of outlet is only schematical, and the effect being optimal can be adjusted in practical application according to physical condition.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.And the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The same or similar parts between the embodiments can be referred to each other in present specification.Especially for steel tower
For the EXAMPLE Example for the deicing device control method that dehumidifies, since steel tower therein dehumidifying deicing device structure is substantially similar
In the embodiment of steel tower dehumidifying deicing device, so description is fairly simple, related place is referring to steel tower dehumidifying deicing device reality
Apply the explanation in example.
Above-described the application embodiment does not constitute the restriction to the application protection domain.
Claims (8)
- The deicing device 1. a kind of steel tower dehumidifies, which is characterized in that including：Control system (1) and air heating calorifier system (2), Wherein：The control system (1) includes processor (11), icing detection module (12), temperature and humidity test module (13), first logical Believe that control module (14) and power module (15), the icing detection module (12), temperature and humidity test module (13) and first are logical Letter control module (14) is electrically connected with the processor (11), and the power module (15) is separately connected the processor (11), icing detection module (12), temperature and humidity test module (13) and the first communication control module (14)；The air heating calorifier system (2) includes：Wind turbine (21), the second communication control module (22), resistive heater (23), Temperature sensor (24) and hot blast pipe (25), second communication control module (22) respectively with the wind turbine (21) and it is described plus The energization end of hot water radiation wire (23) is electrically connected, and the fever end of the resistive heater (23) connects the temperature sensor (24) Heat input terminal, the heat output end of the temperature sensor (24) connects the heat input terminal of the hot blast pipe (25), described The heat output end of hot blast pipe (25) is fixed on communication antenna (3)；First communication control module (14) communicates to connect with second communication control module (22), realizes the control system The communication of system (1) and the air heating calorifier system (2).
- The deicing device 2. steel tower according to claim 1 dehumidifies, which is characterized in that the control system (1) further includes：Shape State monitoring modular (16) and GPS positioning module (17), the state monitoring module (16) and GPS positioning module (17) with it is described Processor (11) is electrically connected, and the power module (15) is separately connected the state monitoring module (16) and the GPS positioning mould Block (17).
- The deicing device 3. steel tower according to claim 2 dehumidifies, which is characterized in that the power module (15) is wireless sense By electric module, the power module (15) power supply should be provided by the electromagnetic field inducing that transmission line of electricity is formed.
- The deicing device 4. steel tower according to claim 1 dehumidifies, which is characterized in that first communication control module (14) Coaxial cable is provided between second communication control module (22), the both ends of the coaxial cable are separately connected described One communication control module (14) and second communication control module (22).
- The deicing device 5. steel tower according to claim 1 dehumidifies, which is characterized in that the control system further includes：Base station Communication module (18), the base station communication module (18) are communicated to connect by base station and background computer.
- The deicing device control method 6. a kind of steel tower dehumidifies, which is characterized in that the method includes：The icing detection module and temperature and humidity test module of control system detect the humiture information and icing of communication antenna in real time Information；The humiture information and icing information are sent to air by the processor of control system by the first communication control module Second communication control module of heating blower system；Second communication control module is according to the humiture information and icing information the control wind turbine and heating electricity received Silk work is hindered, heat is transmitted to communication antenna by temperature sensor and hot blast pipe.
- The deicing device control method 7. steel tower according to claim 6 dehumidifies, which is characterized in that second communication control Module works according to the humiture information and icing information the control wind turbine and resistive heater that receive, including：The heating power of the rotating speed and resistive heater of wind turbine is controlled according to the humiture information and icing information received, Controlling transmission gives the heat of the temperature sensor.
- The deicing device control method 8. steel tower according to claim 7 dehumidifies, which is characterized in that the temperature sensor is real When the temperature of the temperature sensor heat output end, the second communication control mould are transmitted to second communication control module Root tuber according to the temperature real-time control wind turbine of the temperature sensor heat output end that receives rotating speed and resistive heater Heating power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481318.4A CN108616102A (en) | 2018-05-18 | 2018-05-18 | A kind of steel tower dehumidifying deicing device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481318.4A CN108616102A (en) | 2018-05-18 | 2018-05-18 | A kind of steel tower dehumidifying deicing device and its control method |
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| Publication Number | Publication Date |
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| CN108616102A true CN108616102A (en) | 2018-10-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810481318.4A Pending CN108616102A (en) | 2018-05-18 | 2018-05-18 | A kind of steel tower dehumidifying deicing device and its control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551593A (en) * | 2020-04-23 | 2020-08-18 | 西安工程大学 | Insulator ice melting water content monitoring method based on RBF-NN |
| CN114089796A (en) * | 2021-10-25 | 2022-02-25 | 中信科移动通信技术股份有限公司 | Heating method, device and system for antenna remote control unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374536Y (en) * | 2009-01-13 | 2009-12-30 | 国网电力科学研究院 | Substation deicer |
| CN201852598U (en) * | 2010-09-28 | 2011-06-01 | 安徽鸿宇电气技术有限公司 | Transmission line icing monitoring system |
| CN202394362U (en) * | 2011-12-01 | 2012-08-22 | 西安工程大学 | Ice melting on-line monitoring system of power transmission line |
| CN105743047A (en) * | 2016-04-12 | 2016-07-06 | 程鹏 | Deicing system for high-voltage power transmission line |
| CN107732846A (en) * | 2017-11-27 | 2018-02-23 | 四川弘毅智慧知识产权运营有限公司 | A kind of control system for outage pressure transmission line automatic deicer |
| CN108015758A (en) * | 2016-11-03 | 2018-05-11 | 哈尔滨工大天才智能科技有限公司 | A kind of deicing robot control system of view-based access control model control |
-
2018
- 2018-05-18 CN CN201810481318.4A patent/CN108616102A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374536Y (en) * | 2009-01-13 | 2009-12-30 | 国网电力科学研究院 | Substation deicer |
| CN201852598U (en) * | 2010-09-28 | 2011-06-01 | 安徽鸿宇电气技术有限公司 | Transmission line icing monitoring system |
| CN202394362U (en) * | 2011-12-01 | 2012-08-22 | 西安工程大学 | Ice melting on-line monitoring system of power transmission line |
| CN105743047A (en) * | 2016-04-12 | 2016-07-06 | 程鹏 | Deicing system for high-voltage power transmission line |
| CN108015758A (en) * | 2016-11-03 | 2018-05-11 | 哈尔滨工大天才智能科技有限公司 | A kind of deicing robot control system of view-based access control model control |
| CN107732846A (en) * | 2017-11-27 | 2018-02-23 | 四川弘毅智慧知识产权运营有限公司 | A kind of control system for outage pressure transmission line automatic deicer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551593A (en) * | 2020-04-23 | 2020-08-18 | 西安工程大学 | Insulator ice melting water content monitoring method based on RBF-NN |
| CN114089796A (en) * | 2021-10-25 | 2022-02-25 | 中信科移动通信技术股份有限公司 | Heating method, device and system for antenna remote control unit |
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