CN112073832B - Working method of cold-resistant antenna communication device - Google Patents
Working method of cold-resistant antenna communication device Download PDFInfo
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- CN112073832B CN112073832B CN202010967326.7A CN202010967326A CN112073832B CN 112073832 B CN112073832 B CN 112073832B CN 202010967326 A CN202010967326 A CN 202010967326A CN 112073832 B CN112073832 B CN 112073832B
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- 238000004891 communication Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 239000007788 liquid Substances 0.000 claims abstract description 116
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 3
- 235000004443 Ricinus communis Nutrition 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 14
- 238000010295 mobile communication Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/025—Cabinets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/11—Protection against environment
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Abstract
The working method of the cold-resistant antenna communication device comprises the steps of controlling a box and a communication rod; the control box is internally provided with a baffle plate, a water tank, a water pump, a heating table, a control system, a piston cylinder and a top cover, wherein the piston cylinder comprises a piston, a piston rod and a spring; the communication rod comprises a base, a main rod, an insulating layer, an intermediate layer, a liquid discharge spiral channel, a liquid inlet spiral channel, a vertical section, a liquid inlet one-way valve, a ball valve and a baffle; the working method comprises a pressure maintaining mode working method, a rapid circulation mode working method, a liquid discharging method and an early warning method.
Description
Technical Field
The invention relates to the field of antennas, in particular to a working method of a cold-resistant antenna communication device, and belongs to the international patent classification number H01Q.
Background
In the existing military and civil mobile communication, antenna communication refers to a radio information receiving and transmitting technology for information transmission through a mobile communication switching center in a certain radio coverage area, and the construction of a mobile communication base station is an important part of mobile communication operation in China, and is generally carried out around the elements of coverage, investment benefit, difficulty in construction, convenience in maintenance and the like.
With the development of mobile communication technology, 5G antenna communication has been developed in China, and a large amount of the 5G antenna communication devices are used.
The deficiencies of prior art antenna communication devices are as follows:
1. the antenna communication device in the prior art is used in an outdoor environment, however, severe cold use environments exist in part of areas of China, and the service life of the common antenna communication device can be greatly shortened.
2. In the water heating technology for heating upwards in the prior art, only the water heating circulation technology is adopted, however, the pressure maintaining scheme is not adopted, water can fall down quickly under the action of gravity, and enough water heating time cannot be ensured.
3. The valve device of the prior art needs a separate power device for driving, brings trouble to installation layout and requires additional energy consumption.
4. In the water heating technology for heating upwards in the prior art, water supply of the water pump is always unidirectional and cannot flow back, so that residual water can be stored at a position close to a water delivery port of the water pump after the water pump is stopped, and cannot be supplied upwards and cannot be discharged.
5. In the valve device in the prior art, extra chip control is needed during automatic control, a series of parameter presetting, sensors and controllers are brought, a complex system is formed, and automatic control of a zero control system cannot be realized.
6. The valve device of the prior art has only a switching function and no additional pressure relief function in the closed state.
7. The antenna communication device of the prior art comprises an electronic instrument, and the service life of the electronic instrument is shortened under severe cold conditions when the electronic instrument is applied to specific applications.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to simultaneously solve the above problems.
The technical scheme adopted for solving the technical problems is as follows: the working method of the cold-resistant antenna communication device comprises the steps of controlling a box and a communication rod; the control box is internally provided with a baffle plate, a water tank, a water pump, a heating table, a control system, a piston cylinder and a top cover, wherein the piston cylinder comprises a piston, a piston rod and a spring; the communication rod comprises a base, a main rod, an insulating layer, an intermediate layer, a liquid discharge spiral channel, a liquid inlet spiral channel, a vertical section, a liquid inlet one-way valve, a ball valve and a baffle; a pressure release channel and a liquid discharge one-way valve are arranged in the piston rod; the working method comprises a pressure maintaining mode working method, a rapid circulation mode working method, a liquid discharging method and an early warning method;
the communication rod is arranged above the control box, the partition board is arranged in the middle of the control box, the heating table is arranged above the partition board, the water tank and the piston cylinder are arranged above the heating table, and the piston cylinder and the water tank are kept normally open through a liquid passage; the water tank is internally provided with the water pump, the control system is arranged below the partition board, the top cover is arranged above the control box, the partition board is internally provided with a vent hole, and the position of the vent hole corresponds to the area of the heating table;
the water pump pumps water in the water tank into the communication rod upwards, the base is connected with the top cover, a transverse channel is arranged in the base, the ball valve is arranged in the middle of the transverse channel, the liquid inlet one-way valve is arranged at the left end of the transverse channel, a through hole which penetrates up and down is communicated with the right end of the transverse channel, the through hole correspondingly accommodates the piston rod, and a liquid discharging channel which extends downwards is arranged in the transverse channel and between the through hole and the ball valve;
the outer side of the main rod is provided with the middle layer, the outer side of the middle layer is provided with the heat insulation layer, the middle layer is internally provided with the liquid inlet spiral channel and the liquid outlet spiral channel, the vertical section extends upwards in the transverse channel and between the ball valve and the liquid inlet one-way valve, the vertical section is connected with the liquid inlet spiral channel, and the liquid inlet spiral channel and the liquid outlet spiral channel are communicated with each other at the upper part of the communication rod; the lower end of the liquid discharge spiral channel is communicated with the through hole;
the upper end of the piston rod is provided with the pressure relief channel, the pressure relief channel is internally provided with the liquid discharge one-way valve, the lower end of the piston rod is provided with the piston, the piston divides the piston cylinder into an upper cavity and a lower cavity, and the lower cavity is kept normally open with the water tank through the liquid passage; the base is internally provided with the baffle, the baffle limits the travel of the piston rod, and a round hole is arranged in the baffle to be communicated with the lower end of the liquid discharge spiral channel;
the pressure maintaining mode working method comprises the following steps: making the initial water storage amount in the water tank be V1, wherein the V1 satisfies the following conditions: when the liquid inlet spiral channel and the liquid outlet spiral channel are filled with water, the water level in the water tank can still ensure that the piston rod is lifted to prop against the baffle; meanwhile, the water pressure in the liquid discharge spiral channel pushes up the liquid discharge one-way valve, is discharged into the transverse channel through the pressure relief channel, and flows back into the water tank through the liquid discharge channel;
the rapid cycle mode operation method comprises: making the initial water storage amount in the water tank be V2, wherein the V2 satisfies the following conditions: when the liquid inlet spiral channel and the liquid outlet spiral channel are filled with water, the water level in the water tank cannot ensure that the piston rod abuts against the baffle plate, so that the water in the liquid outlet spiral channel is discharged into the transverse channel through the round hole and flows back into the water tank through the liquid outlet channel;
the liquid draining method comprises the following steps: after the pump is stopped, the ball valve is started, so that the liquid in the liquid inlet spiral channel flows back into the water tank through the liquid discharge channel, and the residual liquid in the liquid discharge spiral channel enters the pressure release channel through a gap between the liquid discharge one-way valve and the corresponding valve seat, and then flows back into the water tank through the transverse channel and the liquid discharge channel;
the early warning method comprises the following steps: and a water level sensor is arranged in the water tank, and a signal is sent to the control system when the water level is too low.
Further, the spring is arranged at the lower end of the piston.
Further, the lower surface of the piston cylinder is flush with the lower surface of the water tank.
Further, the upper surface of the piston cylinder is flush with the upper surface of the water tank.
Further, a communication antenna structure is arranged above the communication rod.
Furthermore, a connecting structure is arranged below the control box.
Further, a moving structure is arranged below the control box.
Further, the connecting structure is a bolt.
Further, the moving structure is a caster.
Further, the casters are rotatably received in the control box.
The beneficial effects of the invention are as follows:
1. aiming at the 1 st point of the background technology, a double-screw heating technology is adopted, a heating table heats a water tank, and a water pump supplies hot water into a communication rod through double screws.
2. Aiming at the 2 nd point of the background technology, the technology of water outlet piston rod pressure maintaining is adopted, and the piston rod plugs the falling of warm water within a certain time to ensure enough water heating time.
3. In respect of the 3 rd point of the background art, the power driving device is omitted, and the piston rod is pushed upwards by the water pressure through the liquid flow between the piston cylinder and the water tank.
4. Aiming at the 4 th point of the background technology, a vertical section is arranged at the lower end of the water inlet spiral channel so as to ensure that water falls down, and a control valve and a drainage channel are arranged at the same time so as to drain residual warm water back to the water tank.
5. Aiming at the 5 th point of the background technology, the hydraulic pressure is utilized to control the piston rod to realize the switching of two modes and the control of the flow, wherein the two modes are a pressure maintaining mode and a pressure releasing mode, and the complex control technology adopted for controlling the flow is omitted.
6. Aiming at the 6 th point of the background technology, a pressure release structure is arranged in the piston rod, so that slow pressure release in a pressure keeping state is realized.
7. Aiming at the 7 th point of the background technology, the heating table and the partition board are arranged, and heat generated by heating is supplied to the control system through the vent holes on the partition board, so that the temperature of the control cavity is ensured.
Note that: the above designs are not sequential, each of which provides a distinct and significant advance over the prior art.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a diagram of a prior art 5G antenna communication device
Fig. 2 is a cross-sectional view of an antenna communication device of the present invention
FIG. 3 is an enlarged view of the top of the piston rod in the circled indicated area in FIG. 2
FIG. 4 is a flow chart of the present invention in pressure maintaining and fast cycling mode
In the drawings, reference numerals are as follows:
1. control box 2, partition plate 3, water tank 4, water pump 5, heating table 6, vent hole 7, control system 8, spring 9, liquid passage 10, piston cylinder 11, piston 12, piston rod 13, liquid discharge passage 14, base 15, liquid discharge spiral passage 16, heat preservation layer 17, communication rod 18, liquid feed spiral passage 19, main rod 20, middle layer 21, vertical section 22, liquid feed check valve 23, top cover 24, ball valve 25, pressure release passage 26, baffle 27, liquid discharge check valve
Detailed Description
As shown in the figure: the working method of the cold-resistant antenna communication device comprises the steps of controlling a box and a communication rod; the control box is internally provided with a baffle plate, a water tank, a water pump, a heating table, a control system, a piston cylinder and a top cover, wherein the piston cylinder comprises a piston, a piston rod and a spring; the communication rod comprises a base, a main rod, an insulating layer, an intermediate layer, a liquid discharge spiral channel, a liquid inlet spiral channel, a vertical section, a liquid inlet one-way valve, a ball valve and a baffle; a pressure release channel and a liquid discharge one-way valve are arranged in the piston rod; the working method comprises a pressure maintaining mode working method, a rapid circulation mode working method, a liquid discharging method and an early warning method;
the communication rod is arranged above the control box, the partition board is arranged in the middle of the control box, the heating table is arranged above the partition board, the water tank and the piston cylinder are arranged above the heating table, and the piston cylinder and the water tank are kept normally open through a liquid passage; the water tank is internally provided with the water pump, the control system is arranged below the partition board, the top cover is arranged above the control box, the partition board is internally provided with a vent hole, and the position of the vent hole corresponds to the area of the heating table;
as shown in the figure: the water pump pumps water in the water tank into the communication rod upwards, the base is connected with the top cover, a transverse channel is arranged in the base, the ball valve is arranged in the middle of the transverse channel, the liquid inlet one-way valve is arranged at the left end of the transverse channel, a through hole which penetrates up and down is communicated with the right end of the transverse channel, the through hole correspondingly accommodates the piston rod, and a liquid discharging channel which extends downwards is arranged in the transverse channel and between the through hole and the ball valve;
the outer side of the main rod is provided with the middle layer, the outer side of the middle layer is provided with the heat insulation layer, the middle layer is internally provided with the liquid inlet spiral channel and the liquid outlet spiral channel, the vertical section extends upwards in the transverse channel and between the ball valve and the liquid inlet one-way valve, the vertical section is connected with the liquid inlet spiral channel, and the liquid inlet spiral channel and the liquid outlet spiral channel are communicated with each other at the upper part of the communication rod; the lower end of the liquid discharge spiral channel is communicated with the through hole;
the upper end of the piston rod is provided with the pressure relief channel, the pressure relief channel is internally provided with the liquid discharge one-way valve, the lower end of the piston rod is provided with the piston, the piston divides the piston cylinder into an upper cavity and a lower cavity, and the lower cavity is kept normally open with the water tank through the liquid passage; the base is internally provided with the baffle, the baffle limits the travel of the piston rod, and a round hole is arranged in the baffle to be communicated with the lower end of the liquid discharge spiral channel;
the pressure maintaining mode working method comprises the following steps: making the initial water storage amount in the water tank be V1, wherein the V1 satisfies the following conditions: when the liquid inlet spiral channel and the liquid outlet spiral channel are filled with water, the water level in the water tank can still ensure that the piston rod is lifted to prop against the baffle; meanwhile, the water pressure in the liquid discharge spiral channel pushes up the liquid discharge one-way valve, is discharged into the transverse channel through the pressure relief channel, and flows back into the water tank through the liquid discharge channel;
the rapid cycle mode operation method comprises: making the initial water storage amount in the water tank be V2, wherein the V2 satisfies the following conditions: when the liquid inlet spiral channel and the liquid outlet spiral channel are filled with water, the water level in the water tank cannot ensure that the piston rod abuts against the baffle plate, so that the water in the liquid outlet spiral channel is discharged into the transverse channel through the round hole and flows back into the water tank through the liquid outlet channel;
the liquid draining method comprises the following steps: after the pump is stopped, the ball valve is started, so that the liquid in the liquid inlet spiral channel flows back into the water tank through the liquid discharge channel, and the residual liquid in the liquid discharge spiral channel enters the pressure release channel through a gap between the liquid discharge one-way valve and the corresponding valve seat, and then flows back into the water tank through the transverse channel and the liquid discharge channel;
the early warning method comprises the following steps: and a water level sensor is arranged in the water tank, and a signal is sent to the control system when the water level is too low.
As shown in the figure: the spring is arranged at the lower end of the piston. The lower surface of the piston cylinder is flush with the lower surface of the water tank. The upper surface of the piston cylinder is flush with the upper surface of the water tank. And a communication antenna structure is arranged above the communication rod. And a connecting structure is arranged below the control box. And a moving structure is arranged below the control box. The connecting structure is a bolt. The movable structure is a castor. The casters are rotatably received in the control box.
The foregoing detailed description is directed to embodiments of the invention which are not intended to limit the scope of the invention, but rather to cover all modifications and variations within the scope of the invention.
Claims (10)
1. The working method of the cold-resistant antenna communication device is characterized by comprising the following steps of: the cold-resistant antenna communication device comprises a control box and a communication rod; the control box is internally provided with a baffle plate, a water tank, a water pump, a heating table, a control system, a piston cylinder and a top cover, wherein the piston cylinder comprises a piston, a piston rod and a spring; the communication rod comprises a base, a main rod, an insulating layer, an intermediate layer, a liquid discharge spiral channel, a liquid inlet spiral channel, a vertical section, a liquid inlet one-way valve, a ball valve and a baffle; a pressure release channel and a liquid discharge one-way valve are arranged in the piston rod; the working method comprises a pressure maintaining mode working method, a rapid circulation mode working method, a liquid discharging method and an early warning method;
the communication rod is arranged above the control box, the partition board is arranged in the middle of the control box, the heating table is arranged above the partition board, the water tank and the piston cylinder are arranged above the heating table, and the piston cylinder and the water tank are kept normally open through a liquid passage; the water tank is internally provided with the water pump, the control system is arranged below the partition board, the top cover is arranged above the control box, the partition board is internally provided with a vent hole, and the position of the vent hole corresponds to the area of the heating table;
the water pump pumps water in the water tank into the communication rod upwards, the base is connected with the top cover, a transverse channel is arranged in the base, the ball valve is arranged in the middle of the transverse channel, the liquid inlet one-way valve is arranged at the left end of the transverse channel, a through hole which penetrates up and down is communicated with the right end of the transverse channel, the through hole correspondingly accommodates the piston rod, and a liquid discharging channel which extends downwards is arranged in the transverse channel and between the through hole and the ball valve;
the outer side of the main rod is provided with the middle layer, the outer side of the middle layer is provided with the heat insulation layer, the middle layer is internally provided with the liquid inlet spiral channel and the liquid outlet spiral channel, the vertical section extends upwards in the transverse channel and between the ball valve and the liquid inlet one-way valve, the vertical section is connected with the liquid inlet spiral channel, and the liquid inlet spiral channel and the liquid outlet spiral channel are communicated with each other at the upper part of the communication rod; the lower end of the liquid discharge spiral channel is communicated with the through hole;
the upper end of the piston rod is provided with the pressure relief channel, the pressure relief channel is internally provided with the liquid discharge one-way valve, the lower end of the piston rod is provided with the piston, the piston divides the piston cylinder into an upper cavity and a lower cavity, and the lower cavity is kept normally open with the water tank through the liquid passage; the base is internally provided with the baffle, the baffle limits the travel of the piston rod, and a round hole is arranged in the baffle to be communicated with the lower end of the liquid discharge spiral channel;
the pressure maintaining mode working method comprises the following steps: making the initial water storage amount in the water tank be V1, wherein the V1 satisfies the following conditions: when the liquid inlet spiral channel and the liquid outlet spiral channel are filled with water, the water level in the water tank can still ensure that the piston rod is lifted to prop against the baffle; meanwhile, the water pressure in the liquid discharge spiral channel pushes up the liquid discharge one-way valve, is discharged into the transverse channel through the pressure relief channel, and flows back into the water tank through the liquid discharge channel;
the rapid cycle mode operation method comprises: making the initial water storage amount in the water tank be V2, wherein the V2 satisfies the following conditions: when the liquid inlet spiral channel and the liquid outlet spiral channel are filled with water, the water level in the water tank cannot ensure that the piston rod abuts against the baffle plate, so that the water in the liquid outlet spiral channel is discharged into the transverse channel through the round hole and flows back into the water tank through the liquid outlet channel;
the liquid draining method comprises the following steps: after the pump is stopped, the ball valve is started, so that the liquid in the liquid inlet spiral channel flows back into the water tank through the liquid discharge channel, and the residual liquid in the liquid discharge spiral channel enters the pressure release channel through a gap between the liquid discharge one-way valve and the corresponding valve seat, and then flows back into the water tank through the transverse channel and the liquid discharge channel;
the early warning method comprises the following steps: and a water level sensor is arranged in the water tank, and a signal is sent to the control system when the water level is too low.
2. The method of operating a cold resistant antenna communication device of claim 1, wherein: the spring is arranged at the lower end of the piston.
3. The method of operating a cold resistant antenna communication device of claim 1, wherein: the lower surface of the piston cylinder is flush with the lower surface of the water tank.
4. A method of operating a cold resistant antenna communications device according to claim 3, wherein: the upper surface of the piston cylinder is flush with the upper surface of the water tank.
5. The method of operating a cold resistant antenna communication device of claim 1, wherein: and a communication antenna structure is arranged above the communication rod.
6. The method of operating a cold resistant antenna communication device of claim 1, wherein: and a connecting structure is arranged below the control box.
7. The method of operating a cold resistant antenna communication device of claim 1, wherein: and a moving structure is arranged below the control box.
8. The method of operating a cold resistant antenna communication device of claim 6, wherein: the connecting structure is a bolt.
9. The method of operating a cold resistant antenna communication device of claim 7, wherein: the movable structure is a castor.
10. The method of operating a cold resistant antenna communication device according to claim 9, wherein: the casters are rotatably received in the control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967326.7A CN112073832B (en) | 2020-09-15 | 2020-09-15 | Working method of cold-resistant antenna communication device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967326.7A CN112073832B (en) | 2020-09-15 | 2020-09-15 | Working method of cold-resistant antenna communication device |
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| CN112073832A CN112073832A (en) | 2020-12-11 |
| CN112073832B true CN112073832B (en) | 2024-01-26 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200293159Y1 (en) * | 2002-07-22 | 2002-10-25 | 주식회사 리더스 | An unmanned water-supply apparatus |
| CN102207067A (en) * | 2011-05-04 | 2011-10-05 | 全栋(南京)太阳能光伏有限公司 | Push-type clear water pump |
| KR101397315B1 (en) * | 2013-05-29 | 2014-05-22 | 방병민 | Ground type thermal protector |
| CN203885396U (en) * | 2014-06-14 | 2014-10-22 | 刘娇阳 | Movable shower device |
| CN205902297U (en) * | 2016-06-30 | 2017-01-18 | 武平泓鑫工业技术开发有限公司 | Outdoor satellite communication protector |
| CN207124269U (en) * | 2017-08-21 | 2018-03-20 | 宋飞 | A kind of satellite antenna snow melt deicing system |
| CN108011172A (en) * | 2017-11-29 | 2018-05-08 | 成都市宏山科技有限公司 | It can avoid the antenna for base station of accumulated snow |
| CN110875511A (en) * | 2019-11-20 | 2020-03-10 | 中通服咨询设计研究院有限公司 | Working method of directional 5G antenna communication rod |
| CN211457874U (en) * | 2020-04-17 | 2020-09-08 | 天津信卓创通通信技术有限公司 | Cooling device of communication base station |
-
2020
- 2020-09-15 CN CN202010967326.7A patent/CN112073832B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200293159Y1 (en) * | 2002-07-22 | 2002-10-25 | 주식회사 리더스 | An unmanned water-supply apparatus |
| CN102207067A (en) * | 2011-05-04 | 2011-10-05 | 全栋(南京)太阳能光伏有限公司 | Push-type clear water pump |
| KR101397315B1 (en) * | 2013-05-29 | 2014-05-22 | 방병민 | Ground type thermal protector |
| CN203885396U (en) * | 2014-06-14 | 2014-10-22 | 刘娇阳 | Movable shower device |
| CN205902297U (en) * | 2016-06-30 | 2017-01-18 | 武平泓鑫工业技术开发有限公司 | Outdoor satellite communication protector |
| CN207124269U (en) * | 2017-08-21 | 2018-03-20 | 宋飞 | A kind of satellite antenna snow melt deicing system |
| CN108011172A (en) * | 2017-11-29 | 2018-05-08 | 成都市宏山科技有限公司 | It can avoid the antenna for base station of accumulated snow |
| CN110875511A (en) * | 2019-11-20 | 2020-03-10 | 中通服咨询设计研究院有限公司 | Working method of directional 5G antenna communication rod |
| CN211457874U (en) * | 2020-04-17 | 2020-09-08 | 天津信卓创通通信技术有限公司 | Cooling device of communication base station |
Non-Patent Citations (3)
| Title |
|---|
| Vladimir Volman ; James M. Tour ; Yu Zhu ; Abdul-Rahman O. Raji.Conductive graphene nanoribbon thin film as heat circuit for antennas and radomes.2013 IEEE International Symposium on Phased Array Systems and Technology.2013,全文. * |
| 卫星天线融雪系统的设计方案;李良；李娉;广播电视信息;全文 * |
| 卫视发射天线融雪工程;李跃;;电子世界(12);全文 * |
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