CN213340716U

CN213340716U - Be applied to wireless water gauge waterproof antenna of NB-IOT

Info

Publication number: CN213340716U
Application number: CN202021258605.8U
Authority: CN
Inventors: 李玄文
Original assignee: Shanghai Shenxun Communication Technology Co ltd
Current assignee: Shanghai Shenxun Communication Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-06-01
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a be applied to wireless water gauge waterproof antenna of NB-IOT, including shell, SMA joint, PCB antenna, cable line, waterproof glue and PCB bottom plate, SMA joint and cable line connection, cable line and shell connection are connected and are connected to in the shell, and the PCB antenna is fixed on the shell, and waterproof glue pours into on the PCB antenna, and the PCB bottom plate is installed in the shell; the cable line comprises a signal line and a ground wire, the PCB antenna comprises a feed point and a feed point, the signal line of the cable line is connected with the feed point of the PCB antenna, and the ground wire of the cable line is connected with the feed point of the PCB antenna. The wireless water meter waterproof antenna applied to the NB-IOT, which is manufactured by adopting the technical scheme, can be widely applied to external antennas of various water meter devices, and is particularly suitable for external antennas of soaking or raining water meters.

Description

Be applied to wireless water gauge waterproof antenna of NB-IOT

Technical Field

The utility model relates to a NB wireless electronic water gauge technical field, in particular to be applied to NB-IOT's wireless water gauge waterproof antenna.

Background

The NB wireless electronic water meter is a wireless Internet of things water meter, and overcomes the defects that the network in the prior water report can adopt three deployment modes of an in-band deployment mode, a guard band deployment mode or an independent carrier wave deployment mode, and coexists with the existing network by using the NB narrowband Internet of things technology, has the capability of supporting mass connection, lower power consumption and lower module cost, and is widely covered by the NB water meter

The waterproof problem of external NB wireless antenna is an important item in the antenna reliability design, the current shell that is used for the synthetic multifrequency section antenna of the external wireless antenna of NB or NB and other communication frequency, it is mainly that upper and lower plastic casing passes through the screw and directly adorns together, the department of sewing up between upper and lower casing coats the one deck viscose, be used for sealed and waterproof, it takes time to operate this kind of structure, and the improper words of operation, the viscose spills over easily, influence the outward appearance of whole product, along with service environment and time's lapse, the viscose meets with the high low temperature impact again after the water logging, easily bursts apart, drop, influence water-proof effects.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a be applied to wireless water gauge waterproof antenna of NB-IOT, but the wide application is in various water gauge equipment external antenna, is particularly suitable for being arranged in invading the bubble or the external antenna of the water gauge that drenches with the rain.

The utility model provides a be applied to wireless water gauge waterproof antenna of NB-IOT, including shell, SMA joint, PCB antenna, cable line, waterproof glue and PCB bottom plate, the SMA joint is connected with the cable line, the cable line is connected with the shell and is connected to the shell in, the PCB antenna is fixed on the shell, waterproof glue pours into on the PCB antenna, the PCB bottom plate is installed in the shell; the cable line comprises a signal line and a ground wire, the PCB antenna comprises a feed point and a feed point, the signal line of the cable line is connected with the feed point of the PCB antenna, and the ground wire of the cable line is connected with the feed point of the PCB antenna.

In the above scheme, the PCB antenna is fixed on the housing in a hot-melt manner.

In the above scheme, the housing is a plastic housing.

In the above scheme, the housing is provided with the accommodating hole, and the PCB antenna extends into the housing through the accommodating hole and is connected with the PCB bottom plate.

In the above scheme, the cable line adopts an RG174 radio frequency line.

In the scheme, the waterproof glue is UV waterproof glue.

The utility model has the advantages and the beneficial effects that: the utility model provides a be applied to wireless water gauge waterproof antenna of NB-IOT has processing convenience, low price, and the equipment is simple, compact structure, small and exquisite light, practical characteristics such as waterproof grade IP65, but the wide application is in various water gauge equipment external antenna, is particularly suitable for being arranged in invading the bubble or drenching the external antenna of water gauge.

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 an upper sectional view of the present invention.

Fig. 2 is a bottom sectional view of the present invention.

In the figure: 1. SMA connects 2, cable line 3, shell 4, PCB antenna

5. Waterproof glue

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 and 2, the present invention is a method for manufacturing a semiconductor device

Be applied to wireless water gauge waterproof antenna of NB-IOT, include:

the shell 3 is a plastic shell, is waterproof and dustproof and can protect an internal antenna structure, and four fixing holes are reserved on the plastic shell;

the SMA connector 1 is connected with the cable wire 2, is connected to the PCB antenna 4 in a riveting and pressing mode, and is used for transmitting an antenna radio-frequency signal to terminal equipment;

the PCB antenna 4 is fixed on the shell 3 in a hot melting mode, transmits an antenna radio frequency signal to terminal equipment and adopts an RG174 radio frequency wire;

a cable wire 2 connected with the housing 3 and connected to the inside of the housing 3 for generating an electromagnetic wave radiation field and serving as an NB receiving and transmitting antenna end;

waterproof glue 5, pour into PCB aerial 4, it is UV waterproof glue specifically, guarantee the leakproofness for the glue pour, adopt the middle protruding position of the outer cover to carry on the point glue leakproofness, also consider in addition that the outermost point glue position causes the appearance of the outlet to be bad, therefore the point glue is in turning the middle position;

and a PCB chassis mounted in the housing 3.

Further, the cable line 2 includes a signal line and a ground line, the PCB antenna 4 includes a feeding point and a feeding point, the signal line of the cable line 2 is connected to the feeding point of the PCB antenna 4, and the ground line of the cable line 2 is connected to the feeding point of the PCB antenna 4.

Specifically, the housing 3 is provided with a containing hole, and the PCB antenna 4 extends into the housing 3 through the containing hole and is connected with the PCB bottom plate.

The working principle of the technical scheme is as follows:

the feed point and the feed point of the PCB antenna 4 are respectively connected with the signal line and the ground wire of the cable line 2, and the changed current on the PCB antenna 4 can generate a radiation field for receiving signals radiated by the base station and transmitting the signals of the terminal equipment. When used as a transmitting antenna, electrical signals are fed into the conductor from the center of the antenna; when used as a receiving antenna, the received signal is also taken from the conductor at the center of the antenna.

The utility model discloses an advantage and effect:

1. the waterproof structure has the practical characteristics of convenience in processing, low price, simplicity in assembly, compact structure, small size, light weight, waterproof grade IP65 and the like;

2. the antenna can be widely applied to external antennas of various water meter devices, and is particularly suitable for external antennas of bubble-invading or rain-showering water meters;

3. the signal can be guaranteed not to be influenced, and is waterproof, can not lose, and is collision-resistant, can be suitable for various environment.

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

1. The waterproof antenna of the wireless water meter applied to the NB-IOT is characterized by comprising a shell, an SMA joint, a PCB antenna, a cable wire, a waterproof adhesive and a PCB bottom plate, wherein the SMA joint is connected with the cable wire, the cable wire is connected with the shell and connected into the shell, the PCB antenna is fixed on the shell, the waterproof adhesive is poured into the PCB antenna, and the PCB bottom plate is installed in the shell; the cable line comprises a signal line and a ground wire, the PCB antenna comprises a feed point and a feed point, the signal line of the cable line is connected with the feed point of the PCB antenna, and the ground wire of the cable line is connected with the feed point of the PCB antenna.

2. The waterproof antenna of a wireless water meter applied to NB-IOT in accordance with claim 1, wherein the PCB antenna is fixed on the housing by means of heat fusion.

3. The waterproof antenna of a wireless water meter applied to NB-IOT of claim 2, wherein the housing is a plastic housing.

4. The waterproof antenna of a wireless water meter applied to an NB-IOT as claimed in claim 1, wherein the housing is provided with a receiving hole, and the PCB antenna extends into the housing through the receiving hole and is connected with the PCB base plate.

5. The waterproof antenna of the wireless water meter applied to the NB-IOT in the claim 1, wherein the cable wire adopts RG174 radio frequency wire.

6. The waterproof antenna of the wireless water meter applied to the NB-IOT in claim 1, wherein the waterproof glue is UV waterproof glue.