CN110994132A - Well lid assembly - Google Patents
Well lid assembly Download PDFInfo
- Publication number
- CN110994132A CN110994132A CN201911260286.6A CN201911260286A CN110994132A CN 110994132 A CN110994132 A CN 110994132A CN 201911260286 A CN201911260286 A CN 201911260286A CN 110994132 A CN110994132 A CN 110994132A
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- CN
- China
- Prior art keywords
- receiving plate
- receiving
- well lid
- antenna
- protection box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a well lid assembly, wherein in the process of receiving signals by an antenna, signals sent by a host computer are shot into a well along the vertical direction of a well wall.
Description
Technical Field
The invention belongs to the technical field of well lid signal receiving, and particularly relates to a well lid assembly.
Background
In the development process of the internet of things, the well lid is gradually widely used for the internet of things, and in the data transmission process of the well lid, the signal receiving is very important.
In the prior art, a data receiving antenna arranged on a well lid is usually arranged under the well lid, and because the data receiving antenna is in a relatively closed environment in a manhole, the signal receiving is poor, the existing solution is to punch a hole on the well lid, and arrange a receiving end of the antenna below the hole, so as to avoid the signal being shielded, and further ensure the strength of the received signal at the well lid, so as to ensure normal monitoring.
However, the protection of the antenna by the existing technical means is poor, and the antenna is easily damaged, which causes resource waste, but the ability of receiving signals is greatly reduced when the antenna is placed in the protective shell, so that how to transmit communication signals to the base station and back to the communication system safely and reliably in a relatively closed environment on the premise that the antenna is protected is an urgent problem to be solved.
Disclosure of Invention
The invention aims to provide a well lid assembly, which is used for solving the technical problem that in the prior art, a well lid antenna is arranged in a protective shell, and the antenna receives weak signals. The specific technical scheme is as follows:
the embodiment of the invention provides a well lid assembly, which comprises a well lid body, a protection box and an antenna, wherein a first outer side surface of the protection box is fixed on a first surface of the well lid body;
the antenna comprises a receiving assembly and a control panel, the receiving assembly is electrically connected with the control panel, the control panel is fixed in the protection box, the receiving assembly comprises a first receiving plate, a second receiving plate and a third receiving plate, the second receiving plate is arranged on a first edge of the first receiving plate, the third receiving plate is fixed on a second edge of the first receiving plate, the first receiving plate is a rectangular plate, the first edge is parallel to the second edge, the surface of the second receiving plate is parallel to the surface of the third receiving plate, and the surface of the second receiving plate is perpendicular to the surface of the first receiving plate;
the third edge of the first receiving plate is fixed on a first inner side face of the protection box, the surface of the first receiving plate is perpendicular to the first face of the well lid body, and the first inner side face of the protection box and the first outer side face are two faces of a plate of the protection box.
Furthermore, the first receiving board is a rectangular microstrip slot antenna, and the first receiving board includes a slot line formed by an upper metal layer, a microstrip conduction band formed by a ground, a middle dielectric substrate and a lower metal layer of the microstrip.
Further, the second receiving plate, the third receiving plate and the first receiving plate have the same structure.
Further, the first receiving plate has a length, a width and a height of D1, D2 and D3, wherein D1 is 2D2 is 5D 3.
Further, the receiving signal of the antenna is any one of GSM and CDMA.
Furthermore, the receiving assembly and the protection box are connected in any one of inserting connection, riveting connection and bolt fixing connection.
Furthermore, the first receiving plate and the protection box are connected in any one of bonding, splicing, bolt fixing and riveting.
Furthermore, the protection box is of a closed structure and is made of 304 stainless steel.
In the process of receiving signals by the antenna, signals sent by the host machine are shot into the well along the vertical direction of the well wall, and by adopting the well lid assembly provided by the invention, as the first outer side surface of the protection box is fixed on the first surface of the well lid body, and the antenna is arranged in the protection box, the antenna can be effectively protected, and the service life of the antenna is prolonged. The surface of the second receiving plate is perpendicular to the surface of the first receiving plate; the third edge of first receiving board is fixed on the first medial surface of guard box, and the first face of the face perpendicular to well lid body of first receiving board, the first medial surface of guard box with first lateral surface does two faces of a board of guard box, in the acceptance process of signal, first receiving board, second receiving board, third receiving board all adopt the mode setting of perpendicular to well lid capping, and the face of each receiving board all can receive the signal that comes from the host computer and send, and its face all is in the vertically direction with received signal, furthest's improvement receptivity, the mode that sets up of above-mentioned three receiving board can effectually receive the signal that comes from each perpendicular to well wall direction in the pit, has good signal reception ability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic view of a well lid group price structure provided by an embodiment of the invention.
Fig. 2 is a schematic diagram of an antenna structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of another well cover assembly structure according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a first receiving plate according to an embodiment of the present invention.
Fig. 5 is a schematic view of an installation structure of a protection box and an antenna according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited thereto.
It should be noted that the antenna in the manhole cover assembly provided by the embodiment of the present invention is only applied to the field of manhole cover signal reception.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
On the premise of protecting the antenna, the antenna is arranged in the protective shell, the protective shell is arranged under the well lid, and the signal receiving capacity of the antenna is improved. The well lid assembly provided by the embodiment of the invention is described below.
Referring to fig. 1 to 5, an embodiment of the present invention provides a manhole cover assembly, including a manhole cover body 1, a protection box 2, and an antenna 3, where a first outer side surface of the protection box 2 is fixed on a first surface of the manhole cover body 1, and the antenna 3 is disposed in the protection box 2;
specifically, the well lid is an existing common well lid, the embodiment of the invention does not specifically limit the specific structure or material of the well lid, after the internet of things technology is applied to the well lid, the antenna 3 needs to be arranged on the well lid, the protection box 2 plays a role in protecting the antenna 3, the environment is humid in a manhole, the upper surface of the well lid is often rolled or pressed on the well lid, the antenna 3 is arranged in the protection box 2, the protection box 2 is a closed protection box 2, the contact moisture of the antenna 3 can be effectively reduced, the service life of the antenna 3 is further prolonged, further, the antenna 3 is arranged in the closed protection box 2, the antenna 3 can be prevented from being directly damaged by external force, and the antenna 3 is further protected.
The antenna 3 comprises a receiving assembly 4 and a control board 5, the receiving assembly 4 is electrically connected with the control board 5, the control board 5 is fixed in the protection box 2, the receiving assembly 4 comprises a first receiving board 6, a second receiving board 7 and a third receiving board 8, the second receiving board 7 is arranged on a first edge of the first receiving board 6, and the third receiving board 8 is fixed on a second edge of the first receiving board 6, wherein the first receiving board 6 is a rectangular board, the first edge is parallel to the second edge, the board surface of the second receiving board 7 is parallel to the board surface of the third receiving board 8, and the board surface of the second receiving board 7 is perpendicular to the board surface of the first receiving board 6;
specifically, the control board 5 is used for controlling the antenna 3 to receive or transmit signals, and the power of the control board 5 may be supplied by a fixed power supply, which is not limited in the embodiment of the present invention.
The third edge of first dash receiver 6 is fixed on the first medial surface of guard box 2, just the face perpendicular to of first dash receiver 6 the first face of well lid body 1, the first medial surface of guard box 2 with first lateral surface does two faces of 2 boards of guard box.
Specifically, in the process of receiving signals by the antenna 3, the signals sent by the host computer are injected into the well along the vertical direction of the well wall, by adopting the well lid assembly provided by the invention, as the first outer side surface of the protection box 2 is fixed on the first surface of the well lid body 1, and the antenna 3 is arranged in the protection box 2, the antenna 3 can be effectively protected, and the service life of the antenna 3 is prolonged, the antenna 3 provided by the embodiment of the invention comprises the receiving assembly 4 and the control board 5, the control board 5 controls the receiving assembly 4 to receive or send the signals, the receiving assembly 4 comprises a first receiving plate 6, a second receiving plate 7 and a third receiving plate 8, the second receiving plate 7 is arranged on the first edge of the first receiving plate 6, the third receiving plate 8 is fixed on the second edge of the first receiving plate 6, wherein the first receiving plate 6 is a rectangular plate, and the first edge is parallel to the second edge, the plate surface of the second receiving plate 7 is parallel to the plate surface of the third receiving plate 8, and the plate surface of the second receiving plate 7 is perpendicular to the plate surface of the first receiving plate 6; the third of first receiving board 6 is fixed on the first medial surface of guard box 2, and the first face of the face perpendicular to well lid body 1 of first receiving board 6, the first medial surface of guard box 2 with first lateral surface does two faces of 2 boards of guard box, at the acceptance process of signal, first receiving board 6, second receiving board 7, third receiving board 8 all adopt the mode setting of perpendicular to well lid capping, and the face of each receiving board all can receive the signal that comes from the host computer and send, and its face all is in the vertically direction with received signal, furthest's improvement receptivity, the mode that sets up of above-mentioned three receiving board can effectually receive the signal that comes from each perpendicular to wall of a well orientation in the pit, has good signal reception ability.
Further, the first receiving board 6 is a rectangular microstrip slot antenna 3, and the first receiving board 6 includes a slot line formed by an upper metal layer 9, a ground of a microstrip line, a middle dielectric substrate 11, and a microstrip conduction band formed by a lower metal layer 10.
Further, the second receiving plate 7, the third receiving plate 8, and the first receiving plate 6 have the same structure.
The important point of the present invention is that the receiving module 4 is mounted in such a manner that the first receiving plate 6, the second receiving plate 7 and the third receiving plate 8 are arranged in an H-shape to enhance the signal receiving capability of the antenna 3 module, and further, the first receiving plate 6 is arranged so that the plate surface thereof is perpendicular to the cover surface of the manhole cover to further enhance the signal receiving capability of the antenna 3 module.
Further, the first receiving plate 6 has a length, a width and a height D1, D2 and D3, wherein D1 is 2D2 is 5D 3.
Specifically, in a preferred embodiment, the length, width and height of the motherboard antenna 3 are:
d 1-100 cm, d 2-50 cm and d 3-20 cm, and the standing-wave ratio of the maximum power of the cable is less than 1.5 in a given frequency band of 824-894 MHz when the maximum power is tested independently; after the assembly is processed into an H shape, the standing-wave ratio is less than 2.5, and the gain at the central frequency point is not less than 2 dBi. Through practical tests, the signals are safely and reliably transmitted to the base station and transmitted back to the communication system.
Further, the receiving signal of the antenna 3 is any one of GSM and CDMA. The antenna 3 assembly adopted by the embodiment of the invention can effectively receive various signals, can be applied to the aspects of closed environments such as the monitoring management of the optical communication box body and the monitoring management of the communication junction box body, is not limited by communication systems, is universal for various systems such as GSM, CDMA and the like, and can achieve the purpose of intelligent management.
Optionally, the receiving assembly 4 and the protection box 2 are connected in any one of splicing, riveting and bolt fixing, and the first receiving plate 6 and the protection box 2 are connected in any one of bonding, splicing, bolt fixing and riveting; the protection box 2 is of a closed structure, and the material of the protection box 2 is 304 stainless steel.
The well lid assembly provided by the invention is subjected to signal detection, 500 groups of antennas are tested, and the following results are obtained:
in the experimental environment, the antenna receiving assembly is arranged in a closed protection box, and the protection box is arranged in a damp environment under a simulated well.
Detection standard: 500 sets of well lid assemblies are prepared, and sinkha receiving intensity detection is carried out in the same environment.
And (3) detection results: the left data is the antenna number and the right data is the antenna signal reception strength.
The results are as follows:
in the above experimental results, it can be known that, by using the antenna 3 assembly provided in the embodiment of the present invention, under the experimental condition equivalent to the underground environment, the receiving strength of the antenna meets the requirement of the normal antenna signal receiving strength, and the technical problem in the prior art that the signal receiving performance of the antenna arranged under the well lid in the closed environment is poor is solved.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. A well lid assembly is characterized by comprising a well lid body, a protection box and an antenna, wherein a first outer side surface of the protection box is fixed on a first surface of the well lid body;
the antenna comprises a receiving assembly and a control panel, the receiving assembly is electrically connected with the control panel, the control panel is fixed in the protection box, the receiving assembly comprises a first receiving plate, a second receiving plate and a third receiving plate, the second receiving plate is arranged on a first edge of the first receiving plate, the third receiving plate is fixed on a second edge of the first receiving plate, the first receiving plate is a rectangular plate, the first edge is parallel to the second edge, the surface of the second receiving plate is parallel to the surface of the third receiving plate, and the surface of the second receiving plate is perpendicular to the surface of the first receiving plate;
the third edge of the first receiving plate is fixed on a first inner side face of the protection box, the surface of the first receiving plate is perpendicular to the first face of the well lid body, and the first inner side face of the protection box and the first outer side face are two faces of a plate of the protection box.
2. The well lid assembly according to claim 1, wherein the first receiving plate is a rectangular microstrip slot antenna, and the first receiving plate comprises a slot line formed by an upper metal layer, a microstrip ground, a middle medium substrate and a microstrip conduction band formed by a lower metal layer.
3. The well lid assembly of claim 2, wherein the second receiving plate, the third receiving plate, and the first receiving plate are identical in structure.
4. The well lid assembly of claim 1, wherein the first receiving plate has a length, width, and height of D1, D2, and D3, wherein D1-2D 2-5D 3.
5. The well lid assembly of claim 1, wherein the antenna receives signals of either GSM or CDMA.
6. The well lid assembly of claim 1, wherein the receiving assembly is connected to the protective box by any one of plugging, riveting, and bolting.
7. The well lid assembly of claim 1, wherein the first receiving plate is connected with the protection box in any one of bonding, plugging, bolt fixing and riveting.
8. The well lid assembly of claim 1, wherein the protective box is a closed structure and is made of 304 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260286.6A CN110994132B (en) | 2019-12-10 | 2019-12-10 | Well lid assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260286.6A CN110994132B (en) | 2019-12-10 | 2019-12-10 | Well lid assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110994132A true CN110994132A (en) | 2020-04-10 |
| CN110994132B CN110994132B (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911260286.6A Active CN110994132B (en) | 2019-12-10 | 2019-12-10 | Well lid assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110994132B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919564A (en) * | 1988-12-15 | 1990-04-24 | David L. Neathery | Manhole insert |
| JP2004253928A (en) * | 2003-02-18 | 2004-09-09 | Okamoto Co Ltd | Manhole iron cover for incorporating antenna |
| JP2007079814A (en) * | 2005-09-13 | 2007-03-29 | Dainippon Printing Co Ltd | Metal cap body |
| US20120206270A1 (en) * | 2011-02-11 | 2012-08-16 | Korea Electronics Technology Institute | Manhole cover type sensor node apparatus |
| US8258977B1 (en) * | 2007-11-27 | 2012-09-04 | EmNet, LLC | Manhole cover with signal transmitter |
| CN103310568A (en) * | 2013-01-28 | 2013-09-18 | 苏科峰 | Wireless anti-theft alarm of inspection well cover |
| CN203967247U (en) * | 2014-07-16 | 2014-11-26 | 北京优爱斯格兰特科技有限公司 | A kind of intellectual water meter well lid antenna |
| CN205348231U (en) * | 2015-12-30 | 2016-06-29 | 高坤 | Antenna integrated formula well lid |
| CN106351265A (en) * | 2016-11-21 | 2017-01-25 | 江苏轩博电子科技有限公司 | Smart manhole cover anti-theft system |
| JP2017195559A (en) * | 2016-04-22 | 2017-10-26 | 株式会社明電舎 | Manhole lid with antenna |
| CN209368893U (en) * | 2018-12-24 | 2019-09-10 | 西安讯捷通光电科技有限公司 | A kind of Internet of Things intelligent anti-theft well lid |
-
2019
- 2019-12-10 CN CN201911260286.6A patent/CN110994132B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919564A (en) * | 1988-12-15 | 1990-04-24 | David L. Neathery | Manhole insert |
| JP2004253928A (en) * | 2003-02-18 | 2004-09-09 | Okamoto Co Ltd | Manhole iron cover for incorporating antenna |
| JP2007079814A (en) * | 2005-09-13 | 2007-03-29 | Dainippon Printing Co Ltd | Metal cap body |
| US8258977B1 (en) * | 2007-11-27 | 2012-09-04 | EmNet, LLC | Manhole cover with signal transmitter |
| US20120206270A1 (en) * | 2011-02-11 | 2012-08-16 | Korea Electronics Technology Institute | Manhole cover type sensor node apparatus |
| CN103310568A (en) * | 2013-01-28 | 2013-09-18 | 苏科峰 | Wireless anti-theft alarm of inspection well cover |
| CN203967247U (en) * | 2014-07-16 | 2014-11-26 | 北京优爱斯格兰特科技有限公司 | A kind of intellectual water meter well lid antenna |
| CN205348231U (en) * | 2015-12-30 | 2016-06-29 | 高坤 | Antenna integrated formula well lid |
| JP2017195559A (en) * | 2016-04-22 | 2017-10-26 | 株式会社明電舎 | Manhole lid with antenna |
| CN106351265A (en) * | 2016-11-21 | 2017-01-25 | 江苏轩博电子科技有限公司 | Smart manhole cover anti-theft system |
| CN209368893U (en) * | 2018-12-24 | 2019-09-10 | 西安讯捷通光电科技有限公司 | A kind of Internet of Things intelligent anti-theft well lid |
Non-Patent Citations (2)
| Title |
|---|
| EUN-SUK YANG等: "A Low Profile Circular Patch Loaded Monopole", 《2017 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING》 * |
| 张慧等: "基于北斗的窖井井盖全向天线设计", 《ELECTRONIC SECURITY》 * |
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| CN110994132B (en) | 2020-12-01 |
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