Antenna device arranged on well lid

Abstract

The utility model relates to the technical field of antennas, in particular to an antenna device arranged on a well lid, which comprises a well lid and an antenna, a mounting groove is arranged on the top surface of the well lid, the antenna comprises a loop antenna main body and two wiring terminals, a breakpoint is arranged on the loop antenna main body, the two wiring terminals are distributed and connected with two ports of the loop antenna main body, and the breakpoint is arranged in the mounting groove. The wiring terminal is perpendicular to the annular antenna main body, the wiring terminal penetrates through the well lid, the antenna device further comprises two power supply terminals, and the power supply terminals are connected with the wiring terminal of the antenna in a matched mode. According to the utility model, the antenna is externally arranged on the well lid, so that emission signals of the antenna are prevented from being weakened or shielded.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless antennas, in particular to an antenna device arranged on a manhole cover. Background Art

[0002] In the city's sewage discharge system, a large number of underground sewage pipes will be set up for sewage discharge. For underground sewage pipes, sewage manhole covers are indispensable facilities. Manhole covers are widely used in roads, squares, parks and other places. The product will prevent people and vehicles from falling into the pipes. Sewage manhole covers are made of many materials. The heavy volume and sturdy structure of the product can withstand the weight of people and vehicles, and can also withstand bad weather.

[0003] In order to realize intelligent and automated management of sewage in sewage pipes, in the prior art, a monitoring device is installed in the sewage well under the manhole cover. The monitoring device is used to detect and obtain sewage water quality data, and transmit the sewage water quality data to the cloud server through a wireless network. For the wireless network transmission technology used by the monitoring device, the prior art uses a vertical transmitting antenna to transmit the wireless network signal. In order to prevent the transmitting antenna from being stolen or damaged, the prior art generally fixes the transmitting antenna in the sewage well under the manhole cover.

[0004] However, since most manhole covers are made of metal and are very thick, placing the transmitting antenna in the sewage well and under the manhole cover will greatly weaken the transmission signal strength of the transmitting antenna, or even make it impossible to transmit the signal. Utility Model Content

[0005] The utility model provides an antenna device placed on a manhole cover to solve one of the above technical problems. The antenna is placed outside the manhole cover to prevent the transmission signal of the antenna from being weakened or shielded.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an antenna device placed on a manhole cover, comprising a manhole cover and an antenna, a mounting groove is arranged on the top surface of the manhole cover, the antenna comprises a ring antenna body and two wiring terminals, a breakpoint is arranged on the ring antenna body, the two wiring terminals are distributed and connected to two ports of the ring antenna body, the ring antenna body is placed in the mounting groove, and the wiring terminals penetrate the manhole cover;

[0007] The antenna has a metal wire inside and an insulator outside, and the insulator wraps the metal wire.

[0008] Furthermore, the antenna device also includes two power terminals, and the power terminals are cooperatively connected with the connection terminals of the antenna.

[0009] Furthermore, the terminal port is provided with an outer cavity, and an inner cavity connected to the outer cavity is provided, the inner cavity is provided at the top of the outer cavity, and the outer cavity has a larger diameter than the inner cavity; the outer cavity is provided in the antenna insulator port, and the inner cavity is provided in the antenna metal wire port;

[0010] The power terminal includes a conductive rod and an insulating shell, wherein the insulating shell wraps the conductive rod, and the top of the conductive rod protrudes from the insulating shell; when the power terminal is connected with the wiring terminal, the protruding part of the top of the conductive rod of the power terminal is inserted into the inner cavity, and the top of the insulating shell of the power terminal is inserted into the outer cavity.

[0011] Furthermore, the inner wall of the inner cavity is provided with threads, the outer wall of the protruding portion at the top of the conductive rod is provided with threads, and the protruding portion at the top of the conductive rod is fixedly connected to the inner cavity through threaded cooperation.

[0012] Furthermore, the antenna device further comprises a fixing seat and a fixing clamp, and the fixing seat and the fixing clamp are cooperatively connected;

[0013] The fixing seat is fixedly arranged on the outer edge of the insulator at the bottom of the terminal, the fixing clamp is provided with two notch holes, the outer diameter of the fixing seat is larger than the diameter of the notch holes, and the diameter of the notch holes is larger than or equal to the outer diameter of the cross section of the terminal; the fixing seat and the fixing clamp are arranged at the bottom of the manhole cover, the fixing clamp is arranged at the top of the fixing seat, and the notch holes are inserted into the terminal.

[0014] Furthermore, the fixing seat and the terminal insulator are integrally arranged.

[0015] Furthermore, the thickness of the ring antenna body is smaller than the depth of the mounting groove.

[0016] Furthermore, a plurality of drainage holes are arranged in the installation groove, and the drainage holes penetrate the manhole cover.

[0017] Furthermore, the ring antenna body is in the shape of a circular ring.

[0018] After adopting the above technical scheme, the utility model has at least the following beneficial effects: the utility model can quickly and easily fix the antenna on the manhole cover by setting a fixing seat and a fixing clamp, and can prevent the annular antenna body on the top surface of the manhole cover from being easily stolen, and has an anti-theft function; the utility model can quickly match and connect the power terminal with the wiring terminal by setting an outer cavity and an inner cavity for the wiring terminal; the utility model can more firmly fix the power terminal with the wiring terminal by setting threads on the outer wall of the protruding part on the top of the conductive rod and the inner wall of the inner cavity; the utility model can The antenna is arranged in a ring shape and is placed in a mounting groove on the top surface of the manhole cover, which can greatly enhance the antenna's receiving and transmitting signals, and solves the problem in the prior art that the antenna can only be placed under the manhole cover, which greatly weakens the receiving and transmitting signals. The utility model provides a plurality of drainage holes in the mounting groove, which can easily and quickly drain the accumulated water in the mounting groove, thereby preventing the antenna from being soaked in water for a long time, thereby greatly reducing the service life. The utility model sets the thickness of the ring antenna body to be smaller than the depth of the mounting groove, so that the ring antenna body does not need to protrude from the top surface of the manhole cover, thereby avoiding being stepped on or crushed by vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the manhole cover of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the utility model antenna.

[0021] Figure 3 It is a structural schematic diagram of a longitudinal cross section of a manhole cover and an antenna of the utility model.

[0022] Figure 4 It is a structural schematic diagram of the fixing clamp of the utility model.

[0023] Figure 5 It is a schematic structural diagram of the utility model when the antenna is a square. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments in the present application and the features described in the embodiments may be combined with each other. The present application is further described in detail below in conjunction with the drawings and specific embodiments.

[0025] like Figure 1 As shown, the utility model provides an antenna device placed on a manhole cover, comprising a manhole cover 1 and an antenna 3. A mounting groove 2 is arranged on the top surface of the manhole cover 1, and the antenna 3 is placed in the mounting groove 2.

[0026] Preferably, in rainy days, water will accumulate in the installation groove 2, and long-term water accumulation will damage the insulator on the outer surface of the antenna 3. In severe cases, it will cause water leakage and short circuit of the antenna 3, so it is necessary to drain the water in the installation groove 2 in time. In this embodiment, a plurality of drainage holes 21 are set in the installation groove 2, and the drainage holes 21 penetrate the manhole cover 1. The antenna 3 has a metal wire inside and an insulator outside, and the insulator wraps the metal wire.

[0027] like Figure 2 As shown, the antenna 3 includes a ring antenna body 31 and two wiring terminals 32. The ring antenna body 31 is preferably set as a circular ring antenna. A breakpoint is set on the ring antenna body 31. Two wiring terminals 32 are distributed to connect the two ports of the ring antenna body 31. The wiring terminals 32 are perpendicular to the ring antenna body 31, and the wiring terminals 32 pass through the manhole cover 1. The ring antenna body 31 is consistent with the shape of the mounting groove 2, and the ring antenna body 31 is placed in the mounting groove 2. The thickness of the ring antenna body 31 is less than the depth of the mounting groove 2. Through such a setting, the ring antenna body 31 does not need to protrude from the top surface of the manhole cover 1 to avoid being stepped on or crushed by vehicles.

[0028] The antenna device also includes two power terminals 4, which are connected to the connection terminals 32 of the antenna 3. The power terminals 4 are externally connected to a control device, which is used to control the antenna 3 to transmit or receive signals. Figure 3 As shown, the terminal 32 is provided with an outer cavity 33 at its port, and an inner cavity 34 connected to the outer cavity 33 is provided, the inner cavity 34 is provided at the top of the outer cavity 33, and the diameter of the outer cavity 33 is larger than that of the inner cavity 34; the outer cavity 33 is provided in the insulator port of the antenna 3, and the outer cavity 33 is in the metal wire port of the antenna 3; the power terminal 4 includes a conductive rod 41 and an insulating shell 42, the insulating shell 42 wraps the conductive rod 41, and the top of the conductive rod 41 protrudes (exposed, not insulated) from the insulating shell 42; when the power terminal 4 is connected with the terminal 32, the protruding part of the top of the conductive rod 41 of the power terminal 4 is inserted into the inner cavity 34, and the top of the insulating shell 42 of the power terminal 4 is inserted into the outer cavity 33.

[0029] Preferably, the inner wall of the inner cavity 34 is provided with threads, and the outer wall of the top protruding portion of the conductive rod 41 is also provided with threads, and the top protruding portion of the conductive rod 41 is fixedly connected to the inner cavity 34 through threaded cooperation.

[0030] In this embodiment, the power terminal 4 is fixedly installed inside the sewage well, and the power terminal 4 is electrically connected to the control device; when the manhole cover 1 above the sewage well is opened, the power terminal 4 can be easily and quickly separated from the wiring terminal 32; when the manhole cover 1 above the sewage well is covered, the power terminal 4 can be accurately inserted into the outer cavity 33 and the inner cavity 34 of the wiring terminal 32.

[0031] In order to firmly fix the antenna 3 and prevent it from being stolen, it is necessary to set a fixed anti-theft device for the antenna 3. The antenna device of this embodiment is also provided with a fixing seat 35 and a fixing clamp 36, and the fixing seat 35 and the fixing clamp 36 are connected in cooperation; the fixing seat 35 is fixedly arranged on the outer edge of the insulator at the bottom of the wiring terminal 32, and is wrapped around the wiring terminal 32. The cross section of the fixing seat 35 is a circular ring. Preferably, the fixing seat 35 is integrated with the insulator of the wiring terminal 32; Figure 4 As shown, the fixing clamp 36 is provided with two notch clamping holes 361, the outer diameter of the fixing seat 35 is larger than the diameter of the notch clamping holes 361, and the diameter of the notch clamping holes 361 is greater than or equal to the outer diameter of the cross section of the connecting terminal 32; the fixing seat 35 and the fixing clamp 36 are arranged at the bottom of the manhole cover 1, the fixing clamp 36 is arranged at the top of the fixing seat 35, and the notch clamping holes 361 are inserted into the connecting terminal 32.

[0032] When installing the antenna 3 in this embodiment, the two wiring terminals 32 of the antenna 3 together with the two fixing seats 35 pass through the manhole cover 1, the ring antenna body 31 of the antenna 3 is placed in the installation groove 2 of the manhole cover 1, the fixing clamp 36 is placed on the fixing seat 35 and is under the manhole cover 1, and at the same time, the two wiring terminals 32 are inserted into the notch clamping hole 361 through the notch of the notch clamping hole 361, and the power terminal 4 is inserted into the outer cavity 33 and the inner cavity 34 of the wiring terminal 32. By rotating the power terminal 4, the threaded connection between the protruding part on the top of the conductive rod 41 and the inner cavity 34 can be achieved.

[0033] In this embodiment, when disassembling the antenna 3, the power terminal 4 is rotated, the power terminal 4 is pulled out from the wiring terminal 32, the fixing clamp 36 is pulled out from the wiring terminal 32, and the annular antenna body 31 of the antenna 3 is upwardly extracted from the top surface of the manhole cover 1 to complete the disassembly of the antenna 3.

[0034] The present embodiment can quickly and easily fix the antenna 3 on the manhole cover 1 by providing a fixing seat 35 and a fixing clamp 36, and can prevent the annular antenna body 31 on the top surface of the manhole cover 1 from being easily stolen, thereby having an anti-theft function; the present embodiment can quickly match and connect the power terminal 4 and the wiring terminal 32 by providing an outer cavity 33 and an inner cavity 34 for the wiring terminal 32; the present embodiment can more firmly fix the power terminal 4 and the wiring terminal 32 by providing a thread on the outer wall of the protruding part of the top of the conductive rod 41 and the inner wall of the inner cavity 34; the present embodiment can fix and connect the power terminal 4 and the wiring terminal 32 by providing a thread on the outer wall of the protruding part of the top of the conductive rod 41 and the inner wall of the inner cavity 34; the present embodiment can fix and connect the power terminal 4 and the wiring terminal 32 more firmly; Placing it in the installation groove 2 on the top surface of the manhole cover 1 can greatly enhance the receiving and transmitting signals of the antenna 3, solving the problem in the prior art that the antenna can only be placed under the manhole cover, which greatly weakens the receiving and transmitting signals; in this embodiment, by providing a plurality of drainage holes 21 for the installation groove 2, it is possible to easily and quickly drain the accumulated water in the installation groove 2, thereby preventing the antenna 3 from being soaked in water for a long time, thereby greatly reducing the service life; in this embodiment, by setting the thickness of the ring antenna body 31 to be smaller than the depth of the installation groove 2, the ring antenna body 31 does not need to protrude from the top surface of the manhole cover 1, thereby avoiding being stepped on or crushed by vehicles.

[0035] like Figure 5 As shown, the annular antenna body 31 of the antenna 3 can also be set as a square antenna, and the mounting groove 2 is also consistent with the shape of the annular antenna body 31. Further, the annular antenna body 31 can also be other annular administrative shapes, such as semicircular, elliptical, rectangular, triangular, polygonal, etc.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various equivalent changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An antenna device placed on a manhole cover, comprising a manhole cover, characterized in that: It also includes an antenna, a mounting groove is provided on the top surface of the manhole cover, the antenna includes a ring antenna body and two wiring terminals, a breakpoint is provided on the ring antenna body, the two wiring terminals are distributed and connected to two ports of the ring antenna body, the ring antenna body is placed in the mounting groove, and the wiring terminals penetrate the manhole cover; The antenna has a metal wire inside and an insulator outside, and the insulator wraps the metal wire.

2. The antenna device placed on a manhole cover according to claim 1, characterized in that: It also includes two power terminals, which are matched and connected with the connection terminals of the antenna.

3. The antenna device placed on a manhole cover as claimed in claim 2, characterized in that: The terminal port is provided with an outer cavity, and an inner cavity connected to the outer cavity is provided, the inner cavity is provided at the top of the outer cavity, and the diameter of the outer cavity is larger than that of the inner cavity; the outer cavity is provided in the antenna insulator port, and the inner cavity is provided in the antenna metal wire port; The power terminal includes a conductive rod and an insulating shell, wherein the insulating shell wraps the conductive rod, and the top of the conductive rod protrudes from the insulating shell; when the power terminal is connected with the wiring terminal, the protruding part of the top of the conductive rod of the power terminal is inserted into the inner cavity, and the top of the insulating shell of the power terminal is inserted into the outer cavity.

4. The antenna device placed on a manhole cover as claimed in claim 3, characterized in that: The inner wall of the inner cavity is provided with threads, the outer wall of the protruding portion at the top of the conductive rod is provided with threads, and the protruding portion at the top of the conductive rod is fixedly connected with the inner cavity through threaded cooperation.

5. The antenna device placed on a manhole cover as claimed in claim 1, characterized in that: It also includes a fixing seat and a fixing clamp, wherein the fixing seat and the fixing clamp are connected in a cooperative manner; The fixing seat is fixedly arranged on the outer edge of the insulator at the bottom of the terminal, the fixing clamp is provided with two notch holes, the outer diameter of the fixing seat is larger than the diameter of the notch holes, and the diameter of the notch holes is larger than or equal to the outer diameter of the cross section of the terminal; the fixing seat and the fixing clamp are arranged at the bottom of the manhole cover, the fixing clamp is arranged at the top of the fixing seat, and the notch holes are inserted into the terminal.

6. The antenna device placed on a manhole cover as claimed in claim 5, characterized in that: The fixing seat is integrally arranged with the wiring terminal insulator.

7. The antenna device placed on a manhole cover as claimed in claim 1, characterized in that: The thickness of the ring antenna body is smaller than the depth of the mounting groove.

8. The antenna device placed on a manhole cover as claimed in claim 1, characterized in that: A plurality of drainage holes are arranged in the installation groove, and the drainage holes penetrate through the manhole cover.

9. An antenna device placed on a manhole cover as claimed in any one of claims 1 to 8, characterized in that: The loop antenna body is in a circular ring shape.

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