4G glue stick antenna for wireless meter reading
By designing a 4G glue rod antenna containing coaxial core, copper tube and heat shrink tube, the problem that existing antennas cannot support the 4G frequency band is solved, and wide bandwidth and miniaturized signal transmission effect is achieved.
Patent Information
- Application Number
- CN202421059620.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing glue rod antenna only supports 2G/3G frequency band, which cannot meet the 4G multi-band requirements after the communication network is upgraded. It has a large appearance and poor performance.
A 4G glue rod antenna including a glue rod sleeve and a joint is designed. The glue rod sleeve is equipped with a coaxial core, a first copper tube, a second copper tube, a heat shrink tube and a spring. The joint is connected to the spring through conduction, and the first copper tube is crimped to the inner wall of the joint, with a length of one quarter of the wavelength of the high frequency.
It realizes a broadband structure bandwidth of 700-960MHz/1710-2700MHz, which is suitable for all terminal equipment. It uses a standard SMA interface to directly connect with the power meter equipment to meet communication needs, and has the advantages of miniaturization and good signal.
Smart Images

Figure CN222581497U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of communication, in particular to a 4G rubber stick antenna for wireless meter reading. Background Art
[0002] At present, there are many wireless remote meter reading system devices, and data needs to be read and monitored centrally through antennas. Communication between systems mainly adopts 2G and TCP / TP network solutions. However, the current rubber stick antenna frequency is only within the 2G / 3G frequency band. With the continuous upgrading of communication networks, there is an urgent need for 4G multi-band rubber stick antennas, which require short appearance and excellent performance. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a 4G rubber stick antenna for wireless meter reading to solve the problems mentioned in the above background technology.
[0004] The utility model is used for wireless meter reading 4G glue stick antenna which is realized by the following technical scheme: comprising a glue stick sleeve and a connector installed at one end of the glue stick sleeve;
[0005] A coaxial core and a first copper tube, a second copper tube, a heat shrink tube and a spring arranged outside the coaxial core are installed in the glue stick sleeve; two ends of the coaxial core are respectively connected to the joint and the spring, and the first copper tube is connected to the joint.
[0006] As a preferred technical solution, the first copper tube is crimped to the inner wall of one end of the joint, and the length of the first copper tube is one quarter of the wavelength of the high frequency.
[0007] As a preferred technical solution, the second copper tube is arranged on one side of the first copper tube; the heat shrink tube is installed on the outside of the second copper tube in a covering manner; and the spring is installed on the outside of the heat shrink tube in an interference fit manner.
[0008] As a preferred technical solution, an open circuit state is set between the second copper tube and the coaxial core and the spring; an open circuit state is set between the second copper tube and the first copper tube.
[0009] As a preferred technical solution, the interface adopts an SMA interface; an inner conductor is arranged in the interface, and the inner conductor is conductively connected to the coaxial core.
[0010] The beneficial effects of the utility model are as follows: by arranging the coaxial core in the rubber stick sleeve on the first copper tube, the second copper tube, the heat shrink tube and the inner side of the spring outside the coaxial core, and connecting the two ends of the coaxial core to the joint and the spring respectively, the first copper tube is crimped to the inner wall of one end of the joint, and the length of the first copper tube is one quarter of the wavelength of the high frequency; the rubber stick antenna has a wide-band structure bandwidth of 700-960MHz / 1710-2700MHz, is suitable for all terminal devices, uses a standard SMA interface, and is directly connected to the electric energy meter equipment to meet communication requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0012] Figure 1 It is a cross-sectional schematic diagram of the utility model for a 4G rubber stick antenna for wireless meter reading;
[0013] Figure 2 is a schematic diagram of a glue stick sleeve;
[0014] Figure 3 A schematic diagram of the connector. DETAILED DESCRIPTION
[0015] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.
[0016] like Figure 1-Figure 3 As shown, the utility model is a 4G rubber stick antenna for wireless meter reading, including a rubber stick sleeve 6 and a connector 1 installed at one end of the rubber stick sleeve 6; a coaxial core 7 and a first copper tube 2, a second copper tube 3, a heat shrink tube 4, and a spring 5 arranged on the outside of the coaxial core 7 are installed in the rubber stick sleeve 6; the two ends of the coaxial core 7 are respectively connected to the connector 1 and the spring 5, and the first copper tube 2 is connected to the connector 1.
[0017] In this embodiment, the first copper tube 2 is crimped to the inner wall of one end of the joint 1, and the length of the first copper tube 2 is one quarter wavelength of the high frequency; the second copper tube 3 is arranged on one side of the first copper tube 2; the heat shrink tube 4 is installed in a covering manner on the outside of the second copper tube 3; the spring 5 is installed on the outside of the heat shrink tube 4 with interference fit, so that the rubber stick antenna has a good standing wave ratio VSWR and a high gain in the frequency range of 700-960 / 1710-2700MHz, which can fully meet the distance transmission requirements of the wireless meter reading terminal.
[0018] In this embodiment, an open circuit state is set between the second copper tube 3 and the coaxial core 7 and the spring 5; an open circuit state is set between the second copper tube 3 and the first copper tube 2 to ensure that the above components are not conductive; the connector 1 adopts an SMA interface; an inner conductor 9 is provided in the connector 1, and the inner conductor 9 is connected to the coaxial core 7 by welding.
[0019] In this embodiment, the interface is connected to the electric energy meter device for use. The electric energy meter completes the meter reading work within the frequency range of 700-960 / 1710-2700MHz through the utility model, and has the advantages of miniaturization and good signal.
[0020] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.
Claims
1. A 4G rubber stick antenna for wireless meter reading, characterized by: It comprises a glue stick sleeve (6) and a joint (1) installed at one end of the glue stick sleeve (6); A coaxial core (7) and a first copper tube (2), a second copper tube (3), a heat shrink tube (4) and a spring (5) arranged outside the coaxial core (7) are installed in the glue stick sleeve (6); two ends of the coaxial core (7) are respectively connected to the joint (1) and the spring (5), and the first copper tube (2) is connected to the joint (1).
2. The 4G rubber stick antenna for wireless meter reading according to claim 1 is characterized in that: The first copper tube (2) is crimped onto the inner wall of one end of the joint (1), and the length of the first copper tube (2) is one quarter of the wavelength of the high frequency.
3. The 4G rubber stick antenna for wireless meter reading according to claim 1 is characterized in that: The second copper tube (3) is arranged on one side of the first copper tube (2); the heat shrink tube (4) is installed in a covering manner on the outside of the second copper tube (3); and the spring (5) is installed in an interference fit on the outside of the heat shrink tube (4).
4. The 4G rubber stick antenna for wireless meter reading according to claim 1 is characterized in that: An open circuit state is set between the second copper tube (3) and the coaxial core (7) and the spring (5); and an open circuit state is set between the second copper tube (3) and the first copper tube (2).
5. The 4G rubber stick antenna for wireless meter reading according to claim 1 is characterized in that: The connector (1) adopts an SMA interface; an inner conductor (9) is arranged in the connector (1), and the inner conductor (9) is conductively connected to the coaxial core (7).