CN211208662U - Intelligent gas meter for NB-IOT communication - Google Patents
Intelligent gas meter for NB-IOT communication Download PDFInfo
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- CN211208662U CN211208662U CN202020080120.8U CN202020080120U CN211208662U CN 211208662 U CN211208662 U CN 211208662U CN 202020080120 U CN202020080120 U CN 202020080120U CN 211208662 U CN211208662 U CN 211208662U
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- steel sheet
- mainboard
- intelligent gas
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Abstract
The utility model discloses an intelligent gas table for NB-IOT communication, which comprises an outer shell, mainboard and antenna, antenna and mainboard are all installed in the shell, the antenna includes steel sheet and cable line, steel sheet and cable line connection, be equipped with on the mainboard and present the point, the antenna is through presenting the point connection on cable line and the mainboard, the antenna is for buckling the rectangle, the antenna is equipped with radio signal reception port and radio signal transmission port, radio signal reception port and radio signal transmission port all with present the point connection.
Description
Technical Field
The utility model relates to an intelligent gas table technical field, in particular to an intelligent gas table that is used for intelligent gas table antenna of NB-IOT communication and is provided with the intelligent gas table antenna that is used for NB-IOT communication.
Background
The NB-IOT is an emerging technology in the IOT field, supports the cellular data connection of low-power consumption equipment in a wide area network, and is also called a low-power consumption wide area network (L PWA). the NB-IOT supports long standby time and high-efficiency connection of equipment with higher requirements on network connection, the service life of a battery of the NB-IOT equipment can be improved to at least 10 years, and simultaneously can provide very comprehensive indoor cellular data connection coverage, while in the prior art, the conventional NB-IOT antenna is generally a spring antenna or a PCB antenna, and the transmission distance and the penetrability of the conventional NB-IOT antenna are relatively common.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an intelligent gas table for NB-IOT communication, the antenna adopts the steel sheet to add the form of CAB L E line to make built-in antenna, can satisfy the demand of communication, has improved the performance again.
The utility model provides an intelligent gas table for NB-IOT communication, including shell, mainboard and antenna, antenna and mainboard are all installed in the shell, the antenna includes steel sheet and cable line, steel sheet and cable line connection, be equipped with on the mainboard and present the point, the antenna passes through the cable line and is connected with presenting the point on the mainboard, the antenna is the rectangle of buckling, the antenna is equipped with radio signal reception port and radio signal transmission port, radio signal reception port and radio signal transmission port all with present the point and be connected.
In the above scheme, the antenna is fixedly connected with the shell through screws.
In the scheme, the length of the bent rectangle is 91.33mm, and the width of the bent rectangle is 9 mm.
In the above scheme, the thickness of the antenna is 0.5 mm.
In the above scheme, the steel sheet is an SUS304 steel sheet.
The utility model has the advantages and the beneficial effects that: the utility model provides an intelligent gas table of NB-IOT communication uses in IOT-NB 5/NB8 frequency channel, adopt the steel sheet to add the antenna of cable line form and lock the gas table through the screw in, compare with traditional spring antenna, PCB board antenna, directional circular polarization antenna, built-in helical antenna and ceramic antenna, do not influence smart machine's outward appearance and design, the cost is cheaper, and can more effectual protection antenna, make the difficult fracture of antenna, warp.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a perspective view of the middle steel sheet of the present invention.
Fig. 4 is a front view of the steel sheet of the present invention.
In the figure: 1. housing 2, mainboard 3, antenna 4, steel sheet
5. Cable wire
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-4, the utility model relates to an intelligent gas meter for NB-IOT communication, use at IOT-NB 5/NB8 frequency channel, including shell 1, mainboard 2 and antenna 3, antenna 3 and mainboard 2 are all installed in shell 1, antenna 3 includes steel sheet 4 and cable line 5, steel sheet 4 and cable line 5 are connected, steel sheet 4 adopts the SUS304 steel sheet, be equipped with the feed point on the mainboard 2, antenna 3 is connected with the feed point on the mainboard 2 through the cable line 5, antenna 3 passes through screwed connection with shell 1 and fixes, antenna 3 is equipped with radio signal receiving port and radio signal transmitting port, radio signal receiving port and radio signal transmitting port all are connected with the feed point; the intelligent gas meter mainboard 1 is the core of the whole gas meter, can process received signals through the steel sheet 4 and cable wire 5 type IOT-NB 5/NB8 antenna, and the steel sheet 4 and cable wire 5 type IOT-NB 5/NB8 antenna is built in the shell 1 to better protect the antenna, prolong the service life of the antenna and beautify the appearance of the gas meter.
The antenna 3 is basically perpendicular to the extending direction of a screw connected with the gas meter.
Furthermore, part or all of the structure of the antenna 3 is in a bent rectangular shape, the length of the bent rectangle is 91.33mm, the width of the bent rectangle is 9mm, and the antenna structure in the bent rectangular form is easier to lock into the shell of the intelligent gas meter, so that the concealment performance is met, and the appearance of the intelligent gas meter is not affected.
Specifically, the thickness of the wire body of the antenna 3 is 0.5 mm.
The utility model has the advantages and beneficial effect:
1. the utility model discloses in be provided with the gas table that is used for NB IOT-NB 5/NB8 antenna can independently communicate with the external world;
2. the utility model discloses apply steel sheet and cable line form antenna to the gas table and adopt the screw to lock to the gas table in, compare with spring antenna, PCB board antenna, directional circular polarization antenna, built-in helical antenna or ceramic antenna, the steel sheet adds cable line form antenna and does not influence the outward appearance and the design of smart machine, and the cost is cheaper;
3. the utility model discloses when adopting the screw locking to the gas table with steel sheet cable line form antenna, can more effective protection antenna, make the antenna difficult fracture, deformation;
4. the utility model discloses lock steel sheet and cable line form antenna screw in the gas table and compare in general ceramic antenna, the performance influence of environment to the antenna can be less compared in ceramic antenna;
5. the utility model adopts NB IOT-NB 5/NB8 antenna, compared with the general 824-960MHz frequency band, the antenna has longer transmission distance and stronger penetrability;
6. the utility model discloses a NB IOT-NB 5/NB8 antenna, it is high for general antenna cyclic utilization.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an intelligent gas meter for NB-IOT communication, a serial communication port, includes shell, mainboard and antenna, antenna and mainboard are all installed in the shell, the antenna includes steel sheet and cable line, steel sheet and cable line connection, be equipped with the feed point on the mainboard, the antenna passes through the cable line and is connected with the feed point on the mainboard, the antenna is the rectangle of buckling, the antenna is equipped with radio signal reception port and radio signal transmission port, radio signal reception port and radio signal transmission port all are connected with the feed point.
2. The intelligent gas meter for NB-IOT communication according to claim 1, wherein said antenna is fixed to the housing by means of screw connection.
3. The intelligent gas meter for NB-IOT communication according to claim 1, wherein said bent rectangle has a length of 91.33mm and a width of 9 mm.
4. The intelligent gas meter for NB-IOT communication according to claim 1, wherein the thickness of the antenna is 0.5 mm.
5. The intelligent gas meter for NB-IOT communication according to claim 1, wherein said steel sheet is SUS304 steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020080120.8U CN211208662U (en) | 2020-01-14 | 2020-01-14 | Intelligent gas meter for NB-IOT communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020080120.8U CN211208662U (en) | 2020-01-14 | 2020-01-14 | Intelligent gas meter for NB-IOT communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211208662U true CN211208662U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020080120.8U Active CN211208662U (en) | 2020-01-14 | 2020-01-14 | Intelligent gas meter for NB-IOT communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211208662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332076A (en) * | 2020-11-04 | 2021-02-05 | 上海真兰仪表科技股份有限公司 | NB-IOT intelligent gas meter antenna |
-
2020
- 2020-01-14 CN CN202020080120.8U patent/CN211208662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332076A (en) * | 2020-11-04 | 2021-02-05 | 上海真兰仪表科技股份有限公司 | NB-IOT intelligent gas meter antenna |
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