Slot antenna

Abstract

The utility model discloses a slot antenna, which comprises a cover plate, a base, a feed network, a bridge and a connector, a plurality of mounting columns are arranged on the periphery of one side, close to the base, of the cover plate, each mounting column is provided with a first mounting hole, and the middle part of the cover plate is provided with a cross slot; the periphery of the side, away from the cover plate, of the base is provided with a plurality of installation groove parts, each installation groove part is provided with a second installation hole, and the second installation holes and the first installation holes are in one-to-one correspondence and are connected through screws. According to the slot antenna disclosed by the utility model, linkage is realized through the cover plate, the base, the feed network, the bridge and the joint, and the overall structural strength is improved through structures such as the plurality of first mounting holes and the second mounting holes.

Description

Technical Field

[0001] The utility model belongs to the technical field of antennas, and particularly relates to a slot antenna. Background Art

[0002] RFID (i.e., radio frequency identification technology) has been widely applied in logistics, transportation, agriculture and animal husbandry, medical industry, manufacturing, document management, access control management, etc. Once an ordinary antenna encounters a high-intensity collision during use, it is likely to be deformed or damaged, affecting normal use.

[0003] Therefore, in view of the above problems, further improvements are made. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a slot antenna, which is linked through a cover plate, a base, a feeding network, a bridge and a connector, and improves the overall structural strength through a plurality of first mounting holes, second mounting holes and other structures.

[0005] To achieve the above purpose, the utility model provides a slot antenna, including a cover plate, a base, a feeding network, a bridge and a connector, wherein:

[0006] A plurality of mounting posts are provided around one side of the cover plate close to the base, and each mounting post is provided with a first mounting hole, and a cross slot is provided in the middle part of the cover plate;

[0007] A plurality of mounting groove parts are provided around one side of the base far from the cover plate, and each mounting groove part is provided with a second mounting hole, and the second mounting holes correspond to the first mounting holes one by one and are connected by screws (to improve the structural strength); a first fixing hole, a second fixing hole, a third fixing hole and a fourth fixing hole are further provided on the side of the base far from the cover plate (for mounting the whole antenna at a preset position); a plurality of first feeding mounting holes are provided on the side of the base close to the cover plate;

[0008] The feeding network is located in the accommodation cavity formed by the enclosure of the cover plate and the base, the feeding network is provided with a plurality of second feeding mounting holes, and the second feeding mounting holes correspond to the first feeding mounting holes one by one and are connected by screws (to improve the structural strength);

[0009] The bridge is mounted on the feeding network, the connector is fixedly mounted on the base, and the connector is electrically connected to the feeding network.

[0010] As a further preferred technical solution of the above technical solution, the feeding network is fixedly mounted on the base by screws.

[0011] As a further preferred technical solution of the above technical solution, the base is installed at a preset position (fixed by screws) through the first fixing hole, the second fixing hole, the third fixing hole, and the fourth fixing hole.

[0012] As a further preferred technical solution of the above technical solution, the cover plate is a metal material structure.

[0013] As a further preferred technical solution of the above technical solution, the base is a metal material structure. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the present utility model.

[0015] Figure 2 is a schematic structural diagram of the present utility model.

[0016] Figure 3 is a schematic structural diagram of the feeding network of the present utility model.

[0017] Figure 4 is an exploded side view of the present utility model.

[0018] The reference numerals include: 100, cover plate; 110, mounting post; 111, first mounting hole; 120, cross slit; 200, base; 210, mounting groove portion; 211, second mounting hole; 221, first fixing hole; 222, second fixing hole; 223, third fixing hole; 224, fourth fixing hole; 230, first feeding mounting hole; 300, feeding network; 310, second feeding mounting hole; 400, bridge; 500, connector. Detailed Embodiments

[0019] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles defined in the following description can be applied to other embodiments, variations, improvements, equivalent solutions, and other technical solutions that do not depart from the spirit and scope of the present utility model.

[0020] The present utility model discloses a slot antenna. The specific embodiments of the utility model will be further described below in conjunction with the preferred embodiments.

[0021] In the embodiments of the present utility model, those skilled in the art should note that the preset positions and the like involved in the present utility model can be regarded as the prior art.

[0022] Preferred Embodiment.

[0023] Such as Figures 1-4As shown in the figure, the present utility model discloses a slot antenna, which includes a cover plate 100, a base 200, a feeding network 300, a bridge 400 and a connector 500, wherein:

[0024] A plurality of mounting posts 110 are provided around the side of the cover plate 100 close to the base 200, and each mounting post 110 is provided with a first mounting hole 111, and a cross slot 120 is provided in the middle part of the cover plate 100;

[0025] A plurality of mounting groove parts 210 are provided around the side of the base 200 away from the cover plate 100, and each mounting groove part 210 is provided with a second mounting hole 211, and the second mounting hole 211 corresponds to the first mounting hole 111 one by one and is connected by screws (to improve the structural strength); a first fixing hole 221, a second fixing hole 222, a third fixing hole 223 and a fourth fixing hole 224 are further provided on the side of the base 200 away from the cover plate 100; a plurality of first feeding mounting holes 230 are provided on the side of the base 200 close to the cover plate 100;

[0026] The feeding network 300 is located in the accommodation cavity formed by the enclosure of the cover plate 100 and the base 200. The feeding network 300 is provided with a plurality of second feeding mounting holes 310, and the second feeding mounting holes 310 correspond to the first feeding mounting holes 230 one by one and are connected by screws (to improve the structural strength);

[0027] The bridge 400 is installed on the feeding network 300, the connector 500 is fixedly installed on the base 200, and the connector 500 is electrically connected to the feeding network 300.

[0028] Specifically, the feeding network 300 is fixedly installed on the base 200 by screws.

[0029] Furthermore, the base 200 is installed at a preset position through the first fixing hole 221, the second fixing hole 222, the third fixing hole 223 and the fourth fixing hole 224 (combined with screw fixation).

[0030] Even further, the cover plate 100 is a metal material structure.

[0031] More specifically, the base 200 is a metal material structure.

[0032] Regarding the present utility model:

[0033] The top is a metal cover plate, and there are positioning holes on the cover plate and the base, and it is very simple to install with screws. Between the cover plate and the base is the feeding network, which is installed on the base with screws. The feeding network converts the linear polarization input of the antenna into circular polarization output through a bridge. There is a connector on the base, and the connector passes through the base and is connected to the feeding network. The antenna frequency can be adjusted by the size of the cross-shaped slit on the cover plate. Since both the antenna cover plate and the base are made of metal, they are not easily damaged, and even if deformed, the impact on the antenna performance is small. It has the characteristics of high gain, low standing wave, wide axial ratio bandwidth, excellent process, simple installation, high temperature resistance, and high structural strength.

[0034] It is worth mentioning that the technical features such as the preset positions involved in the patent application of the present utility model should be regarded as the prior art. For the specific structures, working principles, and possible control methods and spatial arrangement methods of these technical features, the conventional selections in the art can be adopted, and they should not be regarded as the invention points of the patent of the present utility model. The patent of the present utility model will not be further specifically elaborated.

[0035] For those skilled in the art, it is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A slot antenna, characterized in that, It includes a cover plate, a base, a feeding network, a bridge and connectors, where: Several mounting posts are provided around the side of the cover plate close to the base, and each mounting post is provided with a first mounting hole, and a cross slit is provided in the middle part of the cover plate; Several mounting groove parts are provided around the side of the base away from the cover plate, and each mounting groove part is provided with a second mounting hole, and the second mounting holes correspond to the first mounting holes one by one and are connected by screws; a first fixing hole, a second fixing hole, a third fixing hole and a fourth fixing hole are further provided on the side of the base away from the cover plate; several first feeding mounting holes are provided on the side of the base close to the cover plate; The feeding network is located in the accommodation cavity formed by the enclosure of the cover plate and the base. The feeding network is provided with several second feeding mounting holes, and the second feeding mounting holes correspond to the first feeding mounting holes one by one and are connected by screws; The bridge is mounted on the feeding network, the connector is fixedly mounted on the base, and the connector is electrically connected to the feeding network.

2. The slot antenna according to claim 1, characterized in that, The feeding network is fixedly mounted on the base by screws.

3. The slot antenna according to claim 2, characterized in that, The base is mounted at a preset position through the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole.

4. A slot antenna according to claim 3, characterized in that The cover plate is a metal material structure.

5. The slot antenna according to claim 4, characterized in that, The base is a metal material structure.

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