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Intelligent well lid

A manhole cover and intelligent technology, applied in water conservancy projects, antenna supports/installation devices, artificial islands, etc., can solve the problems of short communication transmission distance, weak signal strength, limited number of front ends, etc., to avoid shielding problems and long communication distance , the effect of low cost of use

Inactive Publication Date: 2016-07-13
BEIJING ZKTOP INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the common problem of similar products at present is that since the antenna of the manhole cover monitoring front-end is set at the bottom of the manhole cover, due to the shielding of the manhole cover, the radiation surface is small and the communication transmission distance is short, so that the number of front-ends covered by each relay is extremely limited. , leading to the high cost of the entire system, which makes it difficult to promote the system on a large scale
Patent: CN204898729U In order to solve the shielding problem of the manhole cover, a through hole is opened on the manhole cover, and then a part of the antenna leaks out of the manhole cover through the through hole. Although the signal strength is improved to a certain extent and the communication transmission distance is increased, the antenna leaking out is limited. , most of the signal is still shielded by the manhole cover, resulting in weak signal strength and relatively small transmission distance

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0022] Such as Figures 1 to 3 As shown, a kind of intelligent well cover comprises nonmetallic well cover body 1 and planar antenna 2. The manhole cover body made of fiber-reinforced thermosetting composite material with saturated polyester resin as the matrix) and other manhole cover bodies made of non-metallic materials. The planar antenna 2 is a circular spiral, made of copper, silver or copper-silver alloy, etc., the planar antenna 2 is embedded in the front of the manhole cover body 1, and the planar antenna 2 is positioned on the surface of the manhole cover body 1 front At least there is an exposed part, and the planar antenna 2 can be slightly more than or even or slightly concave on the surface of the front of the well cover body 1. In this embodiment, it is preferable that the planar antenna 2 is flush with the surface of the front of the well cover body 1, so that Make the area where the planar antenna 2 exposes the well cover body 1 as large as possible, improve ...

Embodiment 2

[0026] The difference between this embodiment and Embodiment 1 is that the planar antenna 2 is a rectangular spiral, such as Figure 4 shown.

Embodiment 3

[0028] The difference between this embodiment and Embodiment 1 is that the planar antenna 2 is an Archimedes helical planar antenna, such as Figure 5 shown.

[0029] Certainly, in other embodiments, the shape of the planar antenna 2 may also be a polygonal helical planar antenna or a planar antenna of other shapes.

[0030] In the present invention, the planar antenna 2 is embedded on the front of the manhole cover body 1, and through the ingenious integrated design of the planar antenna 2 and the manhole cover, the radio frequency radiation efficiency and pattern of the antenna can be optimally exerted, and the problem of signal shielding by the manhole cover is avoided. The radiation efficiency is high, the communication distance is long, and the use cost is low. There are hundreds of thousands of traditional manhole covers in every city. Faced with such a huge market, this invention can be extended to many manhole cover production enterprises, so that the traditional manh...

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PUM

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Abstract

The invention relates to the municipal facility field and especially relates to an intelligent well lid with a long communication distance and low usage cost. The intelligent well lid disclosed in the invention is characterized in that the well lid comprises a nonmetal well lid body and a surface-shape antenna; the surface-shape antenna is embedded into a front side of the well lid body; a surface of the surface-shape antenna, which is located on the front side of the well lid body, at least possesses a bare portion; and a feeder line end of the surface-shape antenna passes through the well lid body and is extended to a back side of the well lid body, and is used to connect an RF emission module. In the invention, a problem that signals are shielded by the well lid is avoided; a communication distance is increased and usage cost is reduced.

Description

technical field [0001] The invention belongs to the field of municipal facilities, and in particular relates to an intelligent manhole cover with long communication distance and low use cost. Background technique [0002] With the acceleration of urbanization, the construction of municipal public facilities has developed rapidly. Dozens of units in gas, communication, electricity, water supply and drainage, etc. are independent, so that the manhole covers are densely covered on the road, which is hard to guard against. Due to the expansion of the urban area, the wide distribution and large number of manhole covers make supervision difficult. Real-time monitoring of manhole covers has become a huge problem that plagues municipal construction. [0003] At present, there are a few smart manhole cover systems with the same function in the market, and the system basically consists of sensor nodes, relay nodes, and data centers. The working principle of the system is: the remote...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/22H01Q1/36E02D29/14
CPCH01Q1/22E02D29/14H01Q1/36
Inventor 洪毅洪浩
Owner BEIJING ZKTOP INFORMATION TECH CO LTD
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