Radiating antenna for Internet of Things communication

Abstract

The utility model discloses a radiating antenna for Internet of Things communication, and mainly solves the problems that the existing full-coverage antenna is complex in structure and high in production and manufacturing cost. The radiation antenna comprises an antenna radiation structure and an antenna radiation assembly which are arranged in the communication device. The antenna radiation structure comprises a dielectric substrate, a slot antenna arranged in the middle of the surface of the dielectric substrate, a first dipole antenna and a second dipole antenna which are symmetrically arranged on the two sides of the slot antenna, and a third dipole antenna which is arranged below the slot antenna and is perpendicular to the first dipole antenna and the second dipole antenna. Wherein the antenna radiation assembly is connected with the feed input and output of the antenna radiation structure. According to the utility model, respective characteristics of the slot antenna and the dipole antenna are utilized, and the slot antenna and the dipole antenna can work independently and do not need to depend on a complex system structure. Therefore, the back surface does not need to be coated with copper as a metal bottom plate, the antenna structure is greatly simplified, and the space and the production cost are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of internet of things communication technology, concretely relates to a radiation antenna for internet of things communication. BACKGROUND

[0002] With the gradual development of internet of things technology, effectively promote the development of our country economy, its user end extension and expansion to a variety of internet of things terminal equipment, thereby carry out information exchange and communication, and most of the internet of things terminal equipment all need to adapt to the corresponding signal transmission antenna, realize the working effect of signal transmission exchange.

[0003] Such as large mechanical equipment in the factory, industrial robot, by means of mobile internet of things communication device, the running state parameter, like motor temperature, equipment vibration frequency, real-time transmission to monitoring management personnel.Technical personnel can judge equipment failure, online guidance on-site personnel maintenance, greatly reduce downtime, reduce operation and maintenance cost.

[0004] The antenna design of the existing internet of things communication device adopts full coverage type design, and the antenna structure is complex, copper clad plate is needed as a metal bottom plate, which increases the cost and volume.However, many practical application scenarios have high requirements for antenna miniaturization and cost control, for example, some mobile devices or embedded systems.

[0005] Therefore, there is an urgent need for an internet of things communication antenna with simple structure, low cost and small size to meet the needs of practical application scenarios. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of radiation antenna for internet of things communication, mainly solves the problems, such as the complex structure of existing full coverage type antenna and high production manufacturing cost.

[0007] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0008] A kind of radiation antenna for internet of things communication, including the antenna radiation structure being arranged in the inside of communication device and the antenna radiation component being arranged in the outside of communication device for the radiation signal of antenna radiation structure is radiated outward;The antenna radiation structure includes dielectric substrate, slot antenna being arranged in the middle part of dielectric substrate surface, first dipole antenna, second dipole antenna being symmetrically arranged in the both sides of slot antenna, and third dipole antenna being arranged below slot antenna and being perpendicular to first dipole antenna and second dipole antenna;Wherein, the antenna radiation component is connected with the feed input and output of antenna radiation structure.

[0009] Further, in the utility model, the slit antenna includes two parallel horizontal microstrip lines and two parallel vertical microstrip lines, the two vertical microstrip lines are located between the two horizontal microstrip lines, the horizontal microstrip line at the bottom is longer than the horizontal microstrip line at the top, and the slit is formed between the two vertical microstrip lines, and one of the vertical microstrip lines extends towards the side of the slit to form a feeding point.

[0010] Further, in the utility model, the first dipole antenna, the second dipole antenna and the third dipole antenna have the same structure and are each composed of two center-symmetrical polygonal microstrip lines, and a feeding point is formed at the center-symmetrical point of the two polygonal microstrip lines, and each polygonal microstrip line is spliced by a large rectangular microstrip line and a small rectangular microstrip line.

[0011] Further, in the utility model, the antenna radiation assembly comprises a receiving groove formed on the shell of the communication device, a mounting groove arranged in the shell of the communication device, a rotating shaft arranged in the mounting groove, a radiation rod rotatably connected with the rotating shaft and received in the receiving groove, and a locking device arranged at one end of the radiation rod.

[0012] Further, in the utility model, the locking device comprises an external gear rotatably connected with the rotating shaft, a through hole penetrating through the top of the shell of the communication device to the mounting groove, a T-shaped pull pin slidably arranged in the through hole, an arc-shaped internal gear connected with one end of the T-shaped pull pin and matched with the external gear, and two reset springs having one end connected with the non-gear side of the arc-shaped internal gear and the other end connected with the inner wall of the mounting groove, wherein the side surface of the arc-shaped external gear is fixedly connected with the side surface of the top of the radiation rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The radiation antenna structure of the utility model is simpler than the traditional full-coverage antenna, and the production cost is also lower. The antenna utilizes the respective characteristics of the slit antenna and the dipole antenna, and they can work independently without relying on a complex system structure. Therefore, the back does not need to be covered with copper as a metal bottom plate, which greatly simplifies the antenna structure, saves space and production cost.

[0015] (2) The antenna radiation rod is designed in a folding form, which enhances signal radiation and reduces the storage space when the communication device is not used. When used, the T-shaped pull pin is pulled, the reset spring is stretched, the arc-shaped internal gear is separated from the external gear, the fixing of the radiation rod is released, and the folding storage of the antenna is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is an antenna radiation structure in the utility model.

[0017] Fig. 2 The application illustrates the application schematic diagram of the antenna radiation assembly in the utility model.

[0018] Fig. 3 The utility model discloses a sectional structure schematic diagram of locking device.

[0019] Among them, the name corresponding to the sign is:

[0020] 1-medium substrate, 2-slit antenna, 3-first dipole antenna, 4-second dipole antenna, 5-third dipole antenna, 6-transverse microstrip line, 7-vertical microstrip line, 8-feeding point, 9-receiving slot, 10-mounting slot, 11-rotating shaft, 12-radiating rod, 12-external gear, 14-through hole, 15-T-shaped pull pin, 16-arc-shaped internal gear, 17-reset spring, 18-communication device shell. Specific implementation

[0021] The utility model will be further explained in combination with the drawings and examples, and the mode of the utility model includes but is not limited to the following examples.

[0022] Example

[0023] As Figs. 1-3 The utility model discloses a kind of radiation antennas for Internet of Things communication, including the antenna radiation structure being set in communication device inside and the antenna radiation assembly being set in communication device outside for the radiation signal of antenna radiation structure is radiated outward;The antenna radiation structure includes medium substrate 1, slit antenna 2 being set in medium substrate 1 surface middle part, first dipole antenna 3, second dipole antenna 4 being symmetrically set in the two sides of slit antenna 2, and third dipole antenna 5 being set below slit antenna 2 and being perpendicular to first dipole antenna 3, second dipole antenna 4;Wherein, the antenna radiation assembly is connected with the feed input and output of the antenna radiation structure.This antenna radiation structure, slit antenna 2, first dipole antenna 3, second dipole antenna 4, third dipole antenna 5 four antenna units operating frequency band are same, and the size of three dipole antennas is same.Third dipole antenna 5 and slit antenna 2 are about z axis symmetry and place in xoz plane, and first dipole antenna 3, second dipole antenna 4 two dipole antennas are located at the two sides of slit antenna and parallel to each other, and apart by 26mm.Orthogonal polarization mode is adopted considering coupling problem, and third dipole antenna is vertically placed with other two dipole antennas.Because slit antenna and dipole antenna are all not dependent on system ground and can work independently, the back of the system does not need to be covered with copper to act as metal bottom plate, structure is more simple, also save space and cost.

[0024] In the utility model, the slot antenna 2 includes two parallel horizontal microstrip lines 6 and two parallel vertical microstrip lines 7, the two vertical microstrip lines 7 are located between the two horizontal microstrip lines 6, the horizontal microstrip line at the bottom is longer than the horizontal microstrip line at the top, and the slot is formed between the two vertical microstrip lines, one of the vertical microstrip lines extends to the side of the slot to form a feed point 8. The first dipole antenna 3, the second dipole antenna 4 and the third dipole antenna 5 have the same structure and are each composed of two center-symmetrical polygonal microstrip lines, and the feed point 8 is formed at the center-symmetrical point of the two polygonal microstrip lines. Each polygonal microstrip line is spliced by a large rectangular microstrip line and a small rectangular microstrip line. The feed points 8 of the slot antenna 2, the first dipole antenna 3, the second dipole antenna 4 and the third dipole antenna 5 are respectively connected in the circuit system and then signal receiving and sending are performed through the antenna radiation assembly.

[0025] In the embodiment, the antenna radiation assembly includes a receiving groove 9 formed on the communication device shell 18, a mounting groove 10 arranged in the communication device shell 18, a rotating shaft 11 arranged in the mounting groove 10, a radiation rod 12 rotatably connected with the rotating shaft and received in the receiving groove 9, and a locking device arranged at one end of the radiation rod 12. The locking device includes an external gear 13 rotatably connected with the rotating shaft 11, a through hole 14 penetrating from the top of the communication device shell 18 to the mounting groove 10, a T-shaped pull pin 15 slidably arranged in the through hole 14, an arc-shaped internal gear 16 connected with one end of the T-shaped pull pin 15 and matched with the external gear, and two reset springs 17, one end of each of which is connected with a non-gear side of the arc-shaped internal gear 16 and the other end of each of which is connected with the inner wall of the mounting groove 10. The side surface of the arc-shaped external gear 16 is fixedly connected with the side surface of the top of the radiation rod 12. In use, the T-shaped pull pin 15 is pulled to stretch the reset spring 17, so that the arc-shaped internal gear is separated from the external gear, thereby the fixing of the radiation rod is released and the folding and storage of the antenna are realized.

[0026] Through the above design, the utility model makes use of the respective characteristics of the slot antenna and the dipole antenna, they can work independently and do not need to depend on a complex system structure. Therefore, the back does not need to be covered with copper as a metal bottom plate, which greatly simplifies the antenna structure and saves space and production cost. Meanwhile, the foldable antenna design also makes the appearance of the communication device more compact and convenient to store.

[0027] The above embodiment is only one of the preferred embodiments of the utility model and should not be used to limit the protection scope of the utility model. Any modification or polishing made within the main design idea and spirit of the utility model without substantial meaning and solving the same technical problems as the utility model should be included in the protection scope of the utility model.

Claims

1. A radiating antenna for Internet of Things communication, characterized in that, The application relates to an antenna radiation structure and an antenna radiation assembly.

2. The radiating antenna for Internet of Things communication according to claim 1, wherein, The slot antenna (2) comprises two parallel horizontal microstrip lines (6) and two parallel vertical microstrip lines (7), the two vertical microstrip lines (7) are located between the two horizontal microstrip lines (6), the bottom horizontal microstrip line is longer than the top horizontal microstrip line, and a slot is formed between the two vertical microstrip lines. One of the vertical microstrip lines extends towards the side edge of the slot to form a feeding point (8).

3. The radiating antenna for Internet of Things communication according to claim 2, wherein, The first dipole antenna (3), the second dipole antenna (4) and the third dipole antenna (5) have the same structure and are composed of two center-symmetrical polygonal microstrip lines, the feeding point (8) is formed at the center-symmetrical point of the two polygonal microstrip lines, and each polygonal microstrip line is spliced by a large rectangular microstrip line and a small rectangular microstrip line.

4. The radiating antenna for Internet of Things communication according to claim 3, wherein, The antenna radiation assembly comprises a receiving groove (9) formed on the shell of the communication device, a mounting groove (10) arranged in the shell of the communication device, a rotating shaft (11) arranged in the mounting groove (10), a radiation rod (12) rotatably connected with the rotating shaft (11) and received in the receiving groove (9), and a locking device arranged at one end of the radiation rod (12).

5. The radiating antenna for Internet of Things communication according to claim 4, wherein, The locking device comprises an external gear (13) rotatably connected with the rotating shaft (11), a through hole (14) penetrating through the top of the shell of the communication device to the mounting groove (10), a T-shaped pull pin (15) slidingly arranged in the through hole (14), an arc-shaped internal gear (16) connected with one end of the T-shaped pull pin (15) and matched with the external gear, and two reset springs (17) connected with the non-gear side of the arc-shaped internal gear (16) at one end and connected with the inner wall of the mounting groove (10) at the other end; wherein the side surface of the external gear (13) is fixedly connected with the top side surface of the radiation rod (12).

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