CN104752997A - Cleaning device for overhead power transmission lines - Google Patents
Cleaning device for overhead power transmission lines Download PDFInfo
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- CN104752997A CN104752997A CN201510193770.7A CN201510193770A CN104752997A CN 104752997 A CN104752997 A CN 104752997A CN 201510193770 A CN201510193770 A CN 201510193770A CN 104752997 A CN104752997 A CN 104752997A
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- steam
- transmission line
- cleaning device
- overhead transmission
- wheel
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Abstract
The invention provides a cleaning device for overhead power transmission lines. The cleaning device comprises a steam generator and a steam pipe assembly. One end of the steam pipe assembly is communicated with a steam outlet of the steam generator, and steam generated in the steam generator can be sprayed out of the other end of the steam pipe assembly, so that the overhead power transmission lines can be cleaned. The cleaning device has the advantages that the steam generated by the steam generator can be sprayed on the overhead power transmission lines by the steam spray pipe assembly, accordingly, consumption of labor and materials can be reduced, the deicing and cleaning decontamination work efficiency can be effectively improved, and the surfaces of the overhead power transmission lines can be thoroughly cleaned.
Description
Technical field
The present invention relates to the cleaning of overhead transmission line and the technical field of deicing, especially relate to the cleaning device of overhead transmission line.
Background technology
The power station of different regions, transformer station, load point can couple together and carry or exchange electric energy by overhead transmission line, form electric power networks or the power distribution network of various grade.The part such as overhead transmission line route wire, overhead ground wire, insulator, shaft tower, earthing device, gold utensil composition.
The function of conduction current mainly born by wire, and insulator mainly plays support wire and prevents electric current from going back to ground; The metal-ware of the widely used irony of power transmission wire or aluminum is referred to as gold utensil, major part gold utensil needs to bear larger pulling force in transmission line runs, sometimes also need to ensure that the contact of electric aspect is good, it is related to the safety of wire or shaft tower, even if a damage, also may cause line fault.
Overhead transmission line is exposed in atmospheric environment, directly can be subject to the impact of meteorological condition, as the meteorological condition that some are severe, such as: strong storm invasion and attack, freeze load, lightning attack etc. all can damage transmission of electricity facility, reduce overhead transmission line dielectric strength, even also can cause the accident of power failure.
Under low temperature sleety weather condition, transmission line surface may freeze, and freezes, just may damage power transmission facility, thus affect the normal operation of overhead transmission line if remove these not in time.In the prior art, be all that operating personnel use deicing tool manually to carry out deicing usually, this not only can consume a large amount of manpower and materials, and operating efficiency is lower, but also there will be deicing situation not thoroughly.
In the prior art, when clean decontamination process is carried out to transmission line, usually also manually come by operating personnel, a lot of time can have been wasted, reduced operating efficiency, and may clean not thorough.
Summary of the invention
The object of the present invention is to provide a kind of cleaning device of overhead transmission line, to solve the operating personnel existed in prior art manually carry out deicing and clean decontamination operation to overhead transmission line road surfaces, a large amount of manpower and materials can be consumed, but also lose time, the technical problem that operating efficiency is lower.
The cleaning device of a kind of overhead transmission line provided by the invention, comprising: steam generator and steam pipe assembly; One end of described steam pipe assembly is communicated with the gas outlet of described steam generator, and the steam produced in described steam generator can spray from the other end of described steam pipe assembly, thus clean described overhead transmission line.
Further, described steam pipe assembly comprises steam pipe, steam connection and steam jet; One end of described steam pipe is connected with the gas outlet of described steam generator, and described steam connection is arranged on the other end of described steam pipe, and described steam jet is connected with described steam connection.
Preferably, described steam pipe and described steam jet are telescoping tube.
Further, described steam connection comprises multiple arm, and each described arm all connects a described steam jet.
Further, one end of described steam jet is provided with fastener, and described fastener can be stuck on described overhead transmission line, and can move along described overhead transmission line.
Further, described fastener comprises U-type groove and is used for opening and closing the baffle plate of described U-type groove opening; In two planes that described U-type groove be arranged in parallel, correspondence is provided with slideway, and described baffle plate is plugged in described slideway.
Further, cleaning device is provided with in the inside of described fastener.
Further, also comprise base and wheel, described base is arranged on the lower surface of described steam generator, and described wheel is arranged on the below of described base.
Further, described wheel is also provided with the stop mechanism for fixing described wheel.
Preferably, described stop mechanism comprises housing and check plate, and described housing is fixedly installed on described wheel, and described wheel is fixedly connected with described base by described housing;
One end of described check plate is connected with described housing, and the other end is provided with projection, and described projection can be stuck on the wheel hub of described wheel.
Compared with prior art, beneficial effect of the present invention is:
The cleaning device of a kind of overhead transmission line provided by the invention, by steam jet assembly, the steam that steam generator produces is sprayed on overhead transmission line, so just drain on manpower and material resources can be reduced, effectively improve the operating efficiency of deicing and clean decontamination simultaneously, and overhead transmission line surface can also be cleaned more up hill and dale.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the cleaning device of the overhead transmission line that Fig. 1 provides for the embodiment of the present invention;
The cleaning device of the overhead transmission line that Fig. 2 provides for the embodiment of the present invention in working order under structural representation.
Reference numeral:
1-steam generator; 2-steam pipe assembly; 3-base;
4-wheel; 5-cable;
11-pressure regulating switch; 12-flow control valve; 21-steam pipe;
22-steam connection; 23-steam jet; 24-fastener.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
The structural representation of the cleaning device of the overhead transmission line that Fig. 1 provides for the embodiment of the present invention; The cleaning device of the overhead transmission line that Fig. 2 provides for the embodiment of the present invention in working order under structural representation.
As depicted in figs. 1 and 2, the cleaning device of a kind of overhead transmission line that the embodiment of the present invention provides, comprising: steam generator 1 and steam pipe assembly 2; One end of steam pipe assembly 2 is communicated with the gas outlet of steam generator 1, and the steam produced in steam generator 1 can spray from the other end of steam pipe assembly 2, thus clean overhead transmission line.
So-called steam generator 1 utilizes fuel or other energy that water is heated into the equipment of steam, and therefore, every can produce steam and reach the equipment of above-mentioned effect can as the steam generator 1 described in the present embodiment.
Steam generator 1 can also be provided with pressure regulating switch 11, pressure regulating switch 11 can as required with the pressure of different situation regulation and control steam generator 1 inside, to control the pressure of the steam sprayed from steam pipe assembly 2, thus ensure that the steam being sprayed onto overhead transmission line road surfaces has enough impulsive forces, dirt can be washed out and thaw ice and snow.
Steam generator 1 is also provided with flow control valve 12, the uninterrupted of the steam that flow control valve 12 can spray from steam pipe assembly 2 with different situation regulation and controls as required, thus avoids the waste of steam.
Steam generator 1 can also be provided with display screen, the Main Function of this display screen is, the information such as the pressure size of steam generator 1 inside, the uninterrupted of the steam of ejection and the surplus of steam generator 1 internal water are shown by digital intuitively, convenient operation person regulates pressure and flow according to the actual requirements, and add water in time when the inner water yield is less time, avoid empty burning and burn out steam generator 1.
Steam pipe assembly 2 is that steam exports the in-service pipeline being then sprayed onto overhead transmission line road surfaces from steam generator 1, therefore in order to prevent the leakage of steam and the reduction of pressure in running, steam pipe assembly 2 is except steam ejiction opening, and remainder should be all sealing; Steam ejiction opening is arranged on one end of steam pipe assembly 2.
The connected mode of the gas outlet of steam pipe assembly 2 and steam generator 1, can be fixedly connected with, also can be dismountable connection; Dismountable connected mode has a variety of selection, such as: to be threaded, grafting or be bolted.
As the preferred scheme of one, steam pipe assembly 2 and the gas outlet of steam generator 1 select dismountable mode to be connected, when needing the cleaning device of the overhead transmission line using the present embodiment to provide, then gas outlet steam pipe assembly 2 being connected to steam generator 1 carries out the operation of clean decontamination and deicing, do not need from steam generator 1, steam pipe assembly 2 to be unloaded down when using, then preserve respectively, this just brings to use and facilitates significantly, but also can reduce the space needed for preservation widely.
It should be noted that, steam pipe assembly 2 can be only made up of a steam pipe, also can be connected with other component by multiple steam pipe and jointly to form; And for the steam pipework that steam runs, one can be had also can to have many.
Particularly, many steam pipeworks can be accomplished in several ways, such as: multiple steam pipe assembly 2 can be connected in the gas outlet of steam generator 1, thus make the steam pipework that each steam pipe assembly 2 can run as confession steam; Or a steam pipe assembly 2 comprises multiple steam pipework run for steam.
In time having many steam pipeworks, if only use a pipeline wherein, so need the steam ejiction opening of other pipeline to close, to ensure that required steam pipework has enough pressure, avoid the waste of steam simultaneously.
The mode of closed steam ejiction opening can there is a variety of selection, such as: undertaken closing or arranging lid at steam ejiction opening place by plug being filled in steam ejiction opening, steam ejiction opening is closed by cover lid, and lid and steam ejiction opening can adopt and be threaded.
The cleaning device of the overhead transmission line that the embodiment of the present invention provides, by steam pipe assembly 2, the steam that steam generator 1 produces is sprayed on overhead transmission line, so just drain on manpower and material resources can be reduced, effectively improve the operating efficiency of deicing and clean decontamination simultaneously, and overhead transmission line surface can also be cleaned more up hill and dale.
On the basis of above-described embodiment, as the preferred scheme of one, as shown in Figure 1, steam pipe assembly 2 comprises steam pipe 21, steam connection 22 and steam jet 23; One end of steam pipe 21 is connected with the gas outlet of steam generator 1, and steam connection 22 is arranged on the other end of steam pipe 21, and steam jet 23 is connected with steam connection 22.
Because overhead transmission line is generally all positioned at higher position, therefore steam pipe assembly 2 is arranged to be made up of steam pipe 21 and steam jet 23, and connect this two components by steam connection 22, a longer pipe just be divide into a shorter steam pipe 21 and a shorter steam jet 23 by this, the activity of whole steam pipe assembly 2 can be made more flexible, better can clean the surface of overhead transmission line.
It should be noted that, steam pipe 21 can be formed by connecting by multiple short steam pipe 21, and multiple steam jet 23 also can be formed by connecting by multiple short steam jet 23, all adopts dismountable mode to connect between each short tube; Adopt said structure, arbitrarily can change the length of steam pipe assembly 2, to meet needs during practical operation.
As the preferred scheme of one, one end of steam pipe 21 adopts with the gas outlet of steam generator 1 and is threaded, the structure be threaded is simple, and implement than being easier to, also there is good sealing property simultaneously, the requirement of cleaning device to sealing property of the overhead transmission line that the present embodiment provides can be met.
On the basis of above-described embodiment, as the preferred scheme of one, particularly, steam pipe 21 and steam jet 23 are telescoping tube.So-called telescoping tube, be the pipe that length can regulate, steam pipe 21 and steam jet 23 all use telescoping tube, and in use, operating personnel can arbitrarily change its length, to meet the demand of actual conditions.
On the basis of above-described embodiment, particularly, steam connection 22 comprises multiple arm, and each arm all connects a steam jet 23.Adopt said structure, owing to being connected to multiple steam jet 23 on steam connection 22, therefore can cleaning many cables 5 simultaneously, considerably improve operating efficiency.
It should be noted that, the connection between each steam jet 23 and arm is and removably connects; When needs clean many cables 5 simultaneously, the steam jet 23 being about to need is connected on arm, when certain arm does not use, should by this duct occlusion, and the component closing arm used has a variety of, such as: plug or lid, etc.
On the basis of above-described embodiment, particularly, one end of steam jet 23 is provided with fastener 24, and fastener 24 can be stuck on overhead transmission line, and can move along overhead transmission line.
Fastener 24 can wrap the steam ejiction opening of steam jet 23, the waste of steam avoiding steam to flash causing; Meanwhile, fastener 24 can also to be stuck on overhead transmission line and can to move along its axis, thus also can carry out cleaning operation when not having operating personnel hand steered.
The fastener 24 that can realize above-mentioned functions has a variety of selection, and as the preferred scheme of one, particularly, fastener 24 comprises U-type groove and is used for opening and closing the baffle plate of U-type groove opening; In two planes that U-type groove be arranged in parallel, correspondence is provided with slideway, and baffle plate is plugged in slideway.The structure of U-type groove and baffle plate is simply easy to realize, and namely working in coordination of the two can realize the function of fastener 24.
When the cleaning device of the overhead transmission line using the present embodiment to provide, first U-type groove is arranged on overhead transmission line, then baffle plate is inserted in slideway, close U-type groove, now fastener 24 just can firmly hang on overhead transmission line, then open steam generator 1, final steam, from the ejection of steam ejiction opening, reaches the object of clean overhead transmission line.
On the basis of above-described embodiment, particularly, cleaning device is provided with in the inside of fastener 24.The Main Function of cleaning device is clean residue after steam blast, such as: dirt also residual after the water that ice-melt rear surface also remains or ice slag, surface decontamination, etc.
The component that cleaning device is different according to the different choice of function, such as, after clean ice-melt when residual water or ice slag, the good component of preferred water absorbing properties, as sponge or absorbent towels, etc.; When dirt residual after needing to clear up surface decontamination, the good component of preferred adsorptivity, as cotton, etc.
It should be noted that, the connected mode of cleaning device and fastener 24 preferably removably connects, and can be convenient for changing cleaning device like this, replaces dirty cleaning device with clean cleaning device, thus reaches good cleaning effect.The mode preferably removably connected is that VELCRO connects.
On the basis of above-described embodiment, as shown in Figure 1, further, the cleaning device of the overhead transmission line that the present embodiment provides also comprises base 3 and wheel 4, and base 3 is arranged on the lower surface of steam generator 1, and wheel 4 is arranged on the below of base 3.
Steam generator 1 is fixedly installed on the base 3, arranges wheel 4 in the below of base 3, when using steam generator 1 to clean overhead transmission line, and can convenient and moving steam generator 1 efficiently.
On the basis of above-described embodiment, particularly, wheel 4 is also provided with the stop mechanism for fixing vehicle wheel 4.Stop mechanism is used for fixing wheel 4, and therefore every can the structure of fixing vehicle wheel 4 be all the stop mechanism of the present embodiment indication; Arrange stop mechanism, the cleaning device of the overhead transmission line that the present embodiment can be provided is fixed on assigned address, ensures that this cleaning device can not arbitrarily movement when in use, thus can carry out evenly comprehensively cleaning to transmission line surface.
On the basis of above-described embodiment, particularly, stop mechanism comprises housing and check plate, and housing is fixedly installed on wheel 4, and wheel 4 is fixedly connected with base 3 by housing; One end of check plate is connected with housing, and the other end is provided with projection, and projection can be stuck on the wheel hub of wheel 4.Need illustrate time, check plate is connected with housing into rotation.
The cleaning device of overhead transmission line is when moving, and pivot stop plate makes the protruding wheel hub away from wheel 4, thus wheel 4 can arbitrarily be rotated; When this cleaning device is fixed on assigned address by needs, then pivot stop plate puts down projection, makes on its wheel hub being stuck in wheel 4, thus stops the movement of wheel 4, reaches the object of fixing cleaning device.Adopt said structure as stop mechanism, structure be simple, be easy to realize, easy to operate.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a cleaning device for overhead transmission line, is characterized in that, comprising: steam generator and steam pipe assembly; One end of described steam pipe assembly is communicated with the gas outlet of described steam generator, and the steam produced in described steam generator can spray from the other end of described steam pipe assembly, thus clean described overhead transmission line.
2. the cleaning device of overhead transmission line according to claim 1, is characterized in that, described steam pipe assembly comprises steam pipe, steam connection and steam jet;
One end of described steam pipe is connected with the gas outlet of described steam generator, and described steam connection is arranged on the other end of described steam pipe, and described steam jet is connected with described steam connection.
3. the cleaning device of overhead transmission line according to claim 2, is characterized in that, described steam pipe and described steam jet are telescoping tube.
4. the cleaning device of overhead transmission line according to claim 2, is characterized in that, described steam connection comprises multiple arm, and each described arm all connects a described steam jet.
5. the cleaning device of overhead transmission line according to claim 4, is characterized in that, one end of described steam jet is provided with fastener, and described fastener can be stuck on described overhead transmission line, and can move along described overhead transmission line.
6. the cleaning device of overhead transmission line according to claim 5, is characterized in that, described fastener comprises U-type groove and is used for opening and closing the baffle plate of described U-type groove opening; In two planes that described U-type groove be arranged in parallel, correspondence is provided with slideway, and described baffle plate is plugged in described slideway.
7. the cleaning device of overhead transmission line according to claim 5, is characterized in that, is provided with cleaning device in the inside of described fastener.
8. the cleaning device of the overhead transmission line according to any one of claim 1-7, is characterized in that, also comprises base and wheel, and described base is arranged on the lower surface of described steam generator, and described wheel is arranged on the below of described base.
9. the cleaning device of overhead transmission line according to claim 8, is characterized in that, described wheel is also provided with the stop mechanism for fixing described wheel.
10. the cleaning device of overhead transmission line according to claim 9, is characterized in that, described stop mechanism comprises housing and check plate, and described housing is fixedly installed on described wheel, and described wheel is fixedly connected with described base by described housing;
One end of described check plate is connected with described housing, and the other end is provided with projection, and described projection can be stuck on the wheel hub of described wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193770.7A CN104752997B (en) | 2015-04-22 | 2015-04-22 | The cleaning device of overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193770.7A CN104752997B (en) | 2015-04-22 | 2015-04-22 | The cleaning device of overhead transmission line |
Publications (2)
| Publication Number | Publication Date |
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| CN104752997A true CN104752997A (en) | 2015-07-01 |
| CN104752997B CN104752997B (en) | 2017-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510193770.7A Expired - Fee Related CN104752997B (en) | 2015-04-22 | 2015-04-22 | The cleaning device of overhead transmission line |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229929A (en) * | 2016-08-29 | 2016-12-14 | 国网山东省电力公司莱芜供电公司 | A kind of supply line deicer |
| CN108298373A (en) * | 2018-01-30 | 2018-07-20 | 重庆市天宇电线电缆制造有限公司 | A kind of cable coiling device |
| CN109531384A (en) * | 2018-10-29 | 2019-03-29 | 浙江国自机器人技术有限公司 | A kind of visual inspection clean robot applied to overhead transmission line |
| CN112170365A (en) * | 2020-09-01 | 2021-01-05 | 李月英 | Base station defroster for network engineering |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2797344A (en) * | 1954-12-10 | 1957-06-25 | United States Steel Corp | De-icing apparatus for electric cables |
| US4119866A (en) * | 1977-02-14 | 1978-10-10 | Georgy Andreevich Genrikh | High voltage electrical network with DC ice-melting device and current return through ground |
| CN201239727Y (en) * | 2008-06-12 | 2009-05-20 | 北京诺德威电力技术开发有限责任公司 | Novel live cleaning equipment |
| CN101483330A (en) * | 2009-01-23 | 2009-07-15 | 中国科学院电工研究所 | Microwave hot vapor de-icing apparatus and de-icing method |
| CN103066542A (en) * | 2011-03-28 | 2013-04-24 | 清华大学 | Deicing and anti-freezing system during transportation of electric transmission line |
| CN204517281U (en) * | 2015-04-22 | 2015-07-29 | 国家电网公司 | The cleaning device of overhead transmission line |
-
2015
- 2015-04-22 CN CN201510193770.7A patent/CN104752997B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2797344A (en) * | 1954-12-10 | 1957-06-25 | United States Steel Corp | De-icing apparatus for electric cables |
| US4119866A (en) * | 1977-02-14 | 1978-10-10 | Georgy Andreevich Genrikh | High voltage electrical network with DC ice-melting device and current return through ground |
| CN201239727Y (en) * | 2008-06-12 | 2009-05-20 | 北京诺德威电力技术开发有限责任公司 | Novel live cleaning equipment |
| CN101483330A (en) * | 2009-01-23 | 2009-07-15 | 中国科学院电工研究所 | Microwave hot vapor de-icing apparatus and de-icing method |
| CN103066542A (en) * | 2011-03-28 | 2013-04-24 | 清华大学 | Deicing and anti-freezing system during transportation of electric transmission line |
| CN204517281U (en) * | 2015-04-22 | 2015-07-29 | 国家电网公司 | The cleaning device of overhead transmission line |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229929A (en) * | 2016-08-29 | 2016-12-14 | 国网山东省电力公司莱芜供电公司 | A kind of supply line deicer |
| CN106229929B (en) * | 2016-08-29 | 2018-08-28 | 海门卡汶纺织品有限公司 | A kind of supply line's deicer |
| CN108298373A (en) * | 2018-01-30 | 2018-07-20 | 重庆市天宇电线电缆制造有限公司 | A kind of cable coiling device |
| CN109531384A (en) * | 2018-10-29 | 2019-03-29 | 浙江国自机器人技术有限公司 | A kind of visual inspection clean robot applied to overhead transmission line |
| CN112170365A (en) * | 2020-09-01 | 2021-01-05 | 李月英 | Base station defroster for network engineering |
| CN112170365B (en) * | 2020-09-01 | 2022-10-25 | 四川金利通信网络服务有限公司 | Base station defroster for network engineering |
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| Publication number | Publication date |
|---|---|
| CN104752997B (en) | 2017-11-10 |
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