CN204103034U - Be applied to the antenna assembly under sub-lid shielding condition in tunnel inspection shaft - Google Patents
Be applied to the antenna assembly under sub-lid shielding condition in tunnel inspection shaft Download PDFInfo
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- CN204103034U CN204103034U CN201420450001.1U CN201420450001U CN204103034U CN 204103034 U CN204103034 U CN 204103034U CN 201420450001 U CN201420450001 U CN 201420450001U CN 204103034 U CN204103034 U CN 204103034U
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Abstract
The utility model discloses a kind of antenna assembly be applied in tunnel inspection shaft under sub-lid shielding condition, comprising: antenna, feeder and tandem plate; Arrange antenna respectively at the two ends of described tandem plate, the antenna conllinear at described tandem plate two ends is arranged; Along arranging feeder with the direction of described antennas orthogonal on described tandem plate, the sub-assembly of described antenna, feeder and tandem plate is placed in threeway shell; The utility model beneficial effect: pass through
the design of antenna and antenna and interior sub-lid integrative installation technology, can be implemented under tunnel environment by the scattering of signal and reflection, thus break through the shielding of cast iron enclosing cover, realize depositing in case in the outer well lid shielding of cast iron, carry out radio communication in tunnel Yu outside tunnel, realize the reliable and stable transmission of information.
Description
Technical field
The utility model relates to a kind of antenna assembly, particularly relates to a kind of antenna assembly be applied in tunnel inspection shaft under sub-lid shielding condition.
Background technology
Electric power tunnel is generally in the environment that underground reaches 2,3 meters deeply, and it is narrow that the antenna many employings perpendicular polarization mode lobe being applied to the GSM900 under tunnel environment at present points to width, and concentration of energy, wireless signal is difficult to penetrate soil layer and the external world carries out communication.For tunnel inspection shaft, its well head is provided with outer casting iron well lid and Nei Zigai.Outer cast iron cover is obvious to the shield effectiveness of aerial signal, and simple employing high-gain aerial cannot reach the object of the shielding penetrating cast iron enclosing cover.
Due to the screening effect by outer casting iron well lid, be in the signal that the wireless signal under tunnel environment is received very weak, often cause the interruption of son lid and extraneous communication in tunnel, extraneous staff cannot son covers in automatic acquisition to monitoring state, when well lid loss, damage, extraneous personnel do not get early warning information by Nei Zigai outside, thus lose the supervisory function bit of the external well lid of interior son lid.
Utility model content
The purpose of this utility model is exactly to solve the problem, propose a kind of antenna assembly be applied in tunnel inspection shaft under sub-lid shielding condition, this device can be implemented in the outer well lid shielding of cast iron and deposits in case, with facile communication outside tunnel in tunnel, ensure the timely transmitting of effective information.
To achieve these goals, the utility model adopts following technical scheme:
Be applied to the antenna assembly under sub-lid shielding condition in tunnel inspection shaft, comprise: antenna, feeder and tandem plate; Arrange antenna respectively at the two ends of described tandem plate, the antenna conllinear at described tandem plate two ends is arranged; Along arranging feeder with the direction of described antennas orthogonal on described tandem plate, the sub-assembly of described antenna, feeder and tandem plate is placed in threeway shell;
Described antenna threeway shell is fixed on son in tunnel inspection shaft and covers, and one end of described feeder is connected with tandem plate, the other end passes threeway shell and is connected with the sender unit on interior sub-lid control board; Described one end being arranged on the antenna at tandem plate two ends is connected with tandem plate respectively, the other end passes threeway shell respectively, and is fixed on interior son along interior sub-lid circumferencial direction and covers.
Arrange antenna casing outside described antenna, the two ends interference fit of described antenna casing and antenna threeway shell, for encapsulated antenna sleeve pipe.
Described antenna threeway shell is provided with glue filling opening.
Described antenna is
antenna, selects beryllium-bronze silk, and described antenna comprises two radial components and two spiral inductances, and the length of radial component is respectively
the length of run of spiral inductance is
described antenna arranges a spiral inductance every a radial component.
Described
when the spiral inductance diameter of antenna is between 3.5mm to 6mm, the direction of aerial radiation signal is the strongest in the radiation of spiral horizontal direction; By increasing the spiral number of turns of spiral inductance, increase the gain of antenna.
The beneficial effects of the utility model are:
Pass through
the design of antenna and antenna and interior sub-lid integrative installation technology, can be implemented under tunnel environment by the scattering of signal and reflection, thus break through the shielding of cast iron enclosing cover, realize depositing in case in the outer well lid shielding of cast iron, carry out radio communication in tunnel Yu outside tunnel, realize the reliable and stable transmission of information.
Adopt two
antenna, as antenna oscillator, according to corresponding structure installment, is finally formed close to circular mounting mode.Aerial signal avoids the shielding of casting iron well lid in the vertical direction, realizes aerial signal radiation in the horizontal direction, simultaneously by the specular scattering effect of the tunnel borehole wall, is formed in the radiation of casting iron well lid surrounding all directions, thus realizes aerial signal communication outwardly.
Traditional aerial radiation mode adopts perpendicular polarization mode, antenna with the radiation scope on the vertical direction of the earth and intensity maximum, be not suitable for the applied environment of underground monitoring lid.The design, by changing the radical length of antenna and the ratio length of spiral inductance, the relation of balanced aerial radiation scope and intensity, utilizes horizontal mounting means to reach the object of the perpendicular polarization mode changing antenna.By the reflected refraction effect of casting iron well lid and the gap that directly exists of the earth and the borehole wall in subsurface environment, reach the object of aerial signal breakthrough casting iron well lid.
Accompanying drawing explanation
Fig. 1 is the overall vertical view of son lid in the utility model;
Fig. 2 is antenna threeway cutaway view of the present utility model;
Fig. 3 is antenna threeway installation diagram of the present utility model;
Fig. 4 is the utility model
the machining sketch chart of antenna.
In figure, son lid 1., 2. antenna threeway, 3. antenna casing, 4. pipe clamp, 5.
antenna, 6. threeway shell, 7. tandem plate, 8. feeder, 9. radial component, 10. spiral inductance.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
Fig. 1-3 is depicted as
antenna 5 and interior son cover the assembling schematic diagram of 1, and antenna covers with interior son and is fixed together according to parallel mode, and its component parts comprises two
antenna 5 (λ is the wavelength of GSM antenna band 900Mhz), antenna threeway 2, antenna casing 3, pipe clamp 4, interior son lid 1, threeway shell 6, tandem plate 7, feeder 8.
During assembling, by two
antenna 5 and feeder 8 are welded on a tandem plate respectively, then the assembly of these parts are put into threeway shell 6.After fixing, should be insert the groove vicinity that antenna threeway shell 6 is put into Nei Zigai 1 by antenna casing 3, fix with pipe clamp 4.Two antennas are that conllinear is arranged, and antenna and interior well lid be arranged in parallel.
Wherein, antenna threeway shell 6 is provided with 3 glue filling openings, is convenient to encapsulating.In order to water-tight corrosion-proof, after antenna has been fixed in installation, to encapsulating process be carried out by the glue filling opening on antenna threeway shell 6, before encapsulating, three ends of antenna threeway shell 6 and interior son covered 1 and feeder 8 entrance coating liquid raw material band, prevent solation from going out.By the two ends of antenna threeway shell 6 and the interference fit of antenna casing 3, serve the effect of encapsulated antenna sleeve pipe.
Described antenna threeway shell 6 is fixed in tunnel inspection shaft on son lid 1, and one end of described feeder 8 is connected with tandem plate 7, the other end passes threeway shell 6 and is connected with the sender unit that interior son covers; Be arranged on tandem plate 7 two ends
one end of antenna 5 is connected with tandem plate 7 respectively, the other end passes threeway shell 6 respectively, and is fixed on interior son lid 1 along interior son lid 1 circumferencial direction.
Figure 4 shows that of the present utility model
the machining sketch chart of antenna 5, comprises two radial components, 9, two spiral inductances 10.
the design of antenna 5 is set out with the actual environment at scene, tunnel, increase aerial signal radiation scope, by setting the length of specific antenna radial component and spiral inductance, in conjunction with the mounting means of antenna in the utility model, thus realize signal and effectively penetrate outer casting iron well lid, reach the signal strength signal intensity that outside can receive.
antenna 5, selects beryllium-bronze silk material.Beryllium-bronze has very high intensity, hardness, elastic limit and fatigue limit, and elastic hysteresis is little, and has the various advantages energy such as corrosion-resistant, nonmagnetic, high conductivity.It launches total length is 2 λ, and wherein the length of radial component 9 is
the length of run of each spiral inductance part 10 is
spiral inductance is according to fixing length parameter coiling spiral inductance, and coiling wire diameter is 4.2 millimeters, pitch 1.4mm, and the number of turns is 3.
the design of antenna relates generally to the width of the horizontal lobe of adjustment, increases the signal strength signal intensity that signal projects in the horizontal direction, thus avoids the shielding of casting iron well lid.The diameter of antenna direction and spiral inductance has much relations simultaneously, and when spiral inductance diameter is between 3.5mm to 6mm, antenna direction is the strongest in the radiation of spiral horizontal direction, realistic application requirement.In addition, the spiral number of turns of spiral inductance part increases, and the gain of antenna increases.
The diameter of spiral inductance is subject to the beryllium-bronze wire diameter of coiling spiral and the restriction of technique for coiling, considers the requirement of antenna gain simultaneously, and comprehensive above factor, selects the screw diameter be applicable to.The gain of antenna is higher, the ability sending signal is stronger, energy is more concentrated, radiation scope is narrower, in view of the particular surroundings shielding condition under tunnel inspection shaft, and this application balance gain and radiation scope two aspect factor, by increasing aerial radiation scope, avoid the shield ranges of casting iron well lid, by reflection and the refraction action of the borehole wall, utilize ambient radiation signal to go out.
The installation method of antenna assembly comprises the following steps:
(1) be welded on a tandem plate respectively by two antennas and feeder, described antenna conllinear is arranged, and feeder is vertical with antenna direction.
(2) sub-assembly of antenna, feeder and tandem plate is fixedly put into threeway shell, antenna threeway shell and antenna are positioned in antenna protection sleeve pipe, be fixed on interior son and cover, described antenna along sub-lid circumferential directions, and is fixed with pipe clamp.
(3) after having fixed antenna, to encapsulating process be carried out by the glue filling opening above antenna threeway, before encapsulating, three ends of antenna threeway shell and son be covered and feeder entrance coating liquid raw material band, prevents solation from going out.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection range of the present utility model.
Claims (5)
1. be applied to the antenna assembly under sub-lid shielding condition in tunnel inspection shaft, it is characterized in that, comprising: antenna, feeder and tandem plate; Arrange antenna respectively at the two ends of described tandem plate, the antenna conllinear at described tandem plate two ends is arranged; Along arranging feeder with the direction of described antennas orthogonal on described tandem plate, the sub-assembly of described antenna, feeder and tandem plate is placed in threeway shell;
Described antenna threeway shell is fixed on son in tunnel inspection shaft and covers, and one end of described feeder is connected with tandem plate, the other end passes threeway shell and is connected with the sender unit on interior sub-lid control board; Described one end being arranged on the antenna at tandem plate two ends is connected with tandem plate respectively, the other end passes threeway shell respectively, and is fixed on interior son along interior sub-lid circumferencial direction and covers.
2. a kind of antenna assembly be applied in tunnel inspection shaft under sub-lid shielding condition as claimed in claim 1, it is characterized in that, arrange antenna casing outside described antenna, the two ends interference fit of described antenna casing and antenna threeway shell, for encapsulated antenna sleeve pipe.
3. a kind of antenna assembly be applied in tunnel inspection shaft under sub-lid shielding condition as claimed in claim 1, it is characterized in that, described antenna threeway shell is provided with glue filling opening.
4. a kind of antenna assembly be applied in tunnel inspection shaft under sub-lid shielding condition as claimed in claim 1, it is characterized in that, described antenna is
antenna, selects beryllium-bronze silk, and described antenna comprises two radial components and two spiral inductances, and the length of radial component is respectively
the length of run of spiral inductance is
described antenna arranges a spiral inductance every a radial component.
5. a kind of antenna assembly be applied in tunnel inspection shaft under sub-lid shielding condition as claimed in claim 1, is characterized in that, described in
when the spiral inductance diameter of antenna is between 3.5mm to 6mm, the direction of aerial radiation signal is the strongest in the radiation of spiral horizontal direction; By increasing the spiral number of turns of spiral inductance, increase the gain of antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450001.1U CN204103034U (en) | 2014-08-08 | 2014-08-08 | Be applied to the antenna assembly under sub-lid shielding condition in tunnel inspection shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450001.1U CN204103034U (en) | 2014-08-08 | 2014-08-08 | Be applied to the antenna assembly under sub-lid shielding condition in tunnel inspection shaft |
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| Publication Number | Publication Date |
|---|---|
| CN204103034U true CN204103034U (en) | 2015-01-14 |
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ID=52271440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420450001.1U Active CN204103034U (en) | 2014-08-08 | 2014-08-08 | Be applied to the antenna assembly under sub-lid shielding condition in tunnel inspection shaft |
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| CN (1) | CN204103034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201460A (en) * | 2014-08-08 | 2014-12-10 | 山东康威通信技术股份有限公司 | Antenna device and method applied under shielding condition of tunnel inspection well interior cover |
| CN104953238A (en) * | 2015-07-06 | 2015-09-30 | 重庆市伟岸测器制造股份有限公司 | Ultrasonic water meter antenna arranged on well lid |
-
2014
- 2014-08-08 CN CN201420450001.1U patent/CN204103034U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201460A (en) * | 2014-08-08 | 2014-12-10 | 山东康威通信技术股份有限公司 | Antenna device and method applied under shielding condition of tunnel inspection well interior cover |
| CN104201460B (en) * | 2014-08-08 | 2016-07-27 | 山东康威通信技术股份有限公司 | Antenna assembly when being applied to sub-lid shielding in tunnel inspection shaft and method |
| CN104953238A (en) * | 2015-07-06 | 2015-09-30 | 重庆市伟岸测器制造股份有限公司 | Ultrasonic water meter antenna arranged on well lid |
| CN104953238B (en) * | 2015-07-06 | 2018-02-09 | 重庆市伟岸测器制造股份有限公司 | A kind of ultrasonic water meter well lid antenna |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 250101 A203, block F, entrepreneurship square, Qilu Software Park, No.1 Shunhua Road, high tech Development Zone, Jinan City, Shandong Province Patentee after: Conway Communication Technology Co., Ltd Address before: 250101 A203, block F-1, Qilu Software Park, No.1 Shunhua Road, high tech Development Zone (Lixia District), Jinan City, Shandong Province Patentee before: SHANDONG KANGWEI COMMUNICATION TECHNOLOGY Co.,Ltd. |