CN212392369U - Omnidirectional ceiling antenna - Google Patents
Omnidirectional ceiling antenna Download PDFInfo
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- CN212392369U CN212392369U CN202021384543.5U CN202021384543U CN212392369U CN 212392369 U CN212392369 U CN 212392369U CN 202021384543 U CN202021384543 U CN 202021384543U CN 212392369 U CN212392369 U CN 212392369U
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- ceiling antenna
- reflecting plate
- radiator
- omni
- antenna
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Abstract
The utility model discloses an omnidirectional ceiling antenna, which comprises a radiating body, a reflecting plate and a coaxial feeder line, wherein the radiating body is positioned at the inner side of the reflecting plate, the coaxial feeder line is positioned at the outer side of the reflecting plate, a mounting plate used for being fixed with the outside is also arranged at the outer side of the reflecting plate, and one end of the coaxial feeder line sequentially passes through the mounting plate and the reflecting plate and is electrically connected with the radiating body; the mounting plate is provided with a plurality of buckles, the reflecting plate is provided with buckling positions corresponding to the buckles, and the buckles and the buckling positions are clamped and fixed. Through the mounting panel that the outside of reflecting plate set up, when installing the ceiling antenna is inhaled to the qxcomm technology, fix the mounting panel on ceiling or wall body through the bolt, the antenna passes through the buckle position of reflecting plate and the buckle joint on the mounting panel realizes firm installation, and the mounting means is comparatively simple. The bandwidth of the omnidirectional ceiling antenna is 600MHz-4000MHz, and the bandwidth improves the application range and the use scene of the omnidirectional ceiling antenna.
Description
Technical Field
The utility model relates to an omnidirectional antenna technical field especially relates to an omnidirectional ceiling antenna.
Background
The antenna has the function of radiating or receiving radio waves, converts the conducted electromagnetic waves into free-space radio waves to realize electromagnetic signal transmission between any two points, enables the electromagnetic spectrum to become one of the largest reusable resources of human beings, is an omnidirectional antenna as one of the antennas, refers to an antenna with a spatial omnidirectional radiation pattern, and is widely used in the fields of mobile communication and the like due to the characteristics of non-directivity, uniform radiation, large coverage area and the like.
Most of the existing omnidirectional ceiling-mounted antennas adopt a threaded sleeve sleeved outside a coaxial feeder line to penetrate through a ceiling and then to be fixed with other components on the back side of the ceiling, however, when the fixing mode is in actual use, if the ceiling or the wall with larger thickness is encountered, if the length of the threaded sleeve is smaller than the thickness of the ceiling or the wall, the antenna cannot be fixed by adopting the mode, and the use scene of the omnidirectional ceiling-mounted antenna is limited. The frequency range of the existing omnidirectional ceiling antenna is mostly about 698-3000MHz, and the existing omnidirectional ceiling antenna cannot be used in the scene lower than 698MHz or higher than 3000MHz, so that the use scene and the use range of the omnidirectional ceiling antenna are limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an omnidirectional ceiling antenna aims at solving current omnidirectional antenna and can only pass through swivel nut and external fixed, and the scene of installation is limited, and because the bandwidth of antenna is too narrow the technical problem who has restricted antenna application range.
In order to achieve the above object, the present invention provides an omnidirectional ceiling antenna, which includes a radiator, a reflector and a coaxial feed line, wherein the radiator is located inside the reflector, the coaxial feed line is located outside the reflector, a mounting plate for fixing the radiator to the outside is further disposed outside the reflector, and one end of the coaxial feed line sequentially passes through the mounting plate and the reflector and is electrically connected to the radiator;
the mounting plate is provided with a plurality of buckles, the reflecting plate is provided with buckling positions corresponding to the buckles, and the buckles and the buckling positions are connected fixedly.
Preferably, the buckle comprises a first cylinder and a second cylinder which are sequentially arranged from top to bottom, and the second cylinder is fixed with the mounting plate; the buckling position is composed of a through hole and a sliding groove which are connected, and the diameter of the through hole is larger than or equal to the diameter of the first cylinder and the width of the sliding groove is larger than or equal to the diameter of the second cylinder.
Preferably, the middle part of mounting panel is to keeping away from one side protrusion formation bellying of reflecting plate, be equipped with a plurality of mounting holes on the bellying, a plurality of bolts joint in the mounting hole is fixed with the external world.
Preferably, the radiator includes an inverted cone portion, and an upper end of the cone portion extends outward to form an annular radiation plane.
Preferably, the inner side of the conical part is further provided with a step part for increasing the bandwidth of the omnidirectional ceiling antenna.
Preferably, a low-frequency induction sheet is further arranged on the reflection plate, the low-frequency induction sheet is located on one side of the radiator, and the low-frequency induction sheet and the radiation plane are located at the same height.
Preferably, the radiator is fixed to the reflector through a plurality of support portions, and the plurality of support portions are uniformly distributed around the edge of the radiator.
Preferably, a plurality of isolating bars are further arranged on the reflecting plate, the isolating bars are uniformly distributed around the conical part, and the isolating bars are located below the radiation plane.
Preferably, the height of the radiator is 25-35mm, the outer diameter of the radiating plane is 165-175mm, and the taper of the tapered portion is 106 °.
Preferably, still be equipped with the protective cover on the reflecting plate, the protective cover will the irradiator the supporting part with it establishes including the parting bead all covers.
The utility model discloses an omnidirectional ceiling antenna has following beneficial effect:
1. besides the conventional way of fixing the antenna by the screw sleeve, a new way of fixing the antenna is also provided: the mounting panel that sets up through the outside of reflecting plate, when installing the ceiling antenna is inhaled to the qxcomm technology, fix the mounting panel on ceiling or wall body through the bolt, the mounting means is comparatively simple, the outside of mounting panel and reflecting plate is mainly realized fixedly through the buckle, because the buckle position that corresponds with the buckle is seted up to the reflecting plate, consequently after the buckle is fixed with the buckle position block, mounting panel and reflecting plate just are fixed together, the firm installation of the ceiling antenna is inhaled to the qxcomm technology has just been realized, the range of application and the use scene of the ceiling antenna are inhaled to the qxcomm technology have been widened.
2. The low-frequency band of the omnidirectional ceiling antenna is widened through the low-frequency induction sheet, the low-frequency band can reach 600MHz at least, one end, close to the radiation plane, of the low-frequency induction sheet corresponds to the end part shape of the radiation plane, if the radiation plane is circular, the low-frequency induction sheet is in an arc shape sunken towards one end far away from the radiation plane, wideband omnidirectional radiation is achieved, the frequency band of the omnidirectional ceiling antenna is widened through the unique shape and size of a radiation body, the overall bandwidth is 600MHz-4000MHz, the low frequency can reach 600MHz, the high frequency can reach 4000MHz, and the application range and the use scene of the omnidirectional ceiling antenna are improved through the bandwidth.
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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a bottom surface of an embodiment of the omnidirectional ceiling antenna of the present invention;
fig. 2 is a schematic structural view of the omnidirectional ceiling antenna of the present invention;
fig. 3 is a schematic structural view of the omnidirectional ceiling antenna of the present invention after the radiator is removed;
fig. 4 is a schematic structural view of the omnidirectional ceiling antenna mounting plate of the present invention;
fig. 5 is a schematic structural view of the omnidirectional ceiling antenna and the protective cover of the present invention;
fig. 6 is a standing wave diagram of the omnidirectional ceiling antenna of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
23 | |
| 11 | Tapered |
3 | Coaxial feed line |
| 111 | |
31 | |
| 12 | Plane of |
4 | |
| 13 | Supporting |
41 | |
| 2 | Reflecting plate | 411 | A |
| 21 | Buckling position | 412 | Second |
| 211 | Through |
42 | Raised |
| 212 | |
43 | |
| 22 | Low- |
5 | Protective cover |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications such as up, down, left, right, front, and back … … are provided in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an omnidirectional ceiling antenna. The omnidirectional ceiling antenna is used for indoor signal coverage, the working frequency range of the antenna is widened, the bandwidth of the antenna is 600MHz-4000MHz, omnidirectional radiation is realized, the gain of signals is improved, the mounting mode is convenient, the omnidirectional ceiling antenna can be directly fixed with a ceiling and a wall body by using the mounting plate 4, and the use scene of the omnidirectional ceiling antenna is enlarged.
In an embodiment of the present invention, as shown in fig. 1 to 6, an omnidirectional ceiling antenna includes a radiator 1, a reflector 2 and a coaxial feed line 3, the radiator 1 is located inside the reflector 2, the coaxial feed line 3 is located outside the reflector 2, a mounting plate 4 for fixing with the outside is further disposed outside the reflector 2, and one end of the coaxial feed line 3 sequentially passes through the mounting plate 4 and the reflector 2 and is electrically connected to the radiator 1;
the mounting plate 4 is provided with a plurality of buckles 41, the reflecting plate 2 is provided with buckling positions 21 corresponding to the buckles 41, and the buckles 41 and the buckling positions 21 are clamped and fixed.
Specifically, as shown in fig. 1 to 4, a radiator 1 is disposed inside a reflector 2, the radiator 1 receives a radio signal, and functions such as impedance matching between the impedance of the omnidirectional ceiling antenna and a transmitting device of the radio signal, amplitude and phase control of a waveform of the radio signal, and harmonic suppression of a propagating radio signal electromagnetic wave are realized, and a through hole through which a coaxial feed line 3 passes is opened in the reflector 2, and the coaxial feed line 3 is disposed outside the reflector 2 and used for connection of an electrical signal. Besides the conventional way of fixing the antenna by the screw sleeve 31, a new way of fixing the antenna is provided: the outside of reflecting plate 2 is provided with mounting panel 4, be equipped with a plurality of mounting holes 43 on mounting panel 4, when installing the ceiling antenna is inhaled to the qxcomm technology, fix mounting panel 4 on ceiling or wall body through the bolt, the mounting means is comparatively simple, the outside of mounting panel 4 and reflecting plate 2 is mainly realized fixing through buckle 41, because buckle position 21 that corresponds with buckle 41 is seted up to reflecting plate 2, consequently after buckle 41 is fixed with buckle position 21 block, mounting panel 4 and reflecting plate 2 just are fixed together, consequently, after mounting panel 4 is fixed with ceiling or wall body bolt, the firm installation of ceiling antenna is inhaled to the qxcomm technology has just been realized, the range of application and the use scene of ceiling antenna have been widened qxcomm technology.
Further, the buckle 41 comprises a first column 411 and a second column 412 which are arranged in sequence from top to bottom, and the second column 412 is fixed with the mounting plate 4; the snap 21 is composed of a through hole 211 and a slide groove 212 which are connected, and the diameter of the through hole 211 is larger than the diameter of the first column 411 and the width of the slide groove 212 is larger than the diameter of the second column 412.
In this embodiment, the fixing of the mounting plate 4 and the reflection plate 2 is realized by the buckle 41 and the buckle position 21, specifically, the fixing is realized by the first cylinder 411, the second cylinder 412, the through hole 211 and the sliding groove 212, when the fixed reflection plate 2 and the mounting plate 4 need to be locked, the first cylinder 411 and the second cylinder 412 are put into the through hole 211 with a larger diameter, and the mounting plate 4 is rotated, so that the second cylinder 412 on the mounting plate 4 is clamped into the sliding groove 212, and because the diameter of the first cylinder 411 is larger than the sliding groove 212, the second cylinder 412 can be stably clamped in the sliding groove 212, so that the fixing mode of the mounting plate 4 and the reflection plate 2 is very stable.
Further, the middle part of the mounting plate 4 protrudes to one side far away from the reflection plate 2 to form a protruding part 42, a plurality of mounting holes 43 are arranged on the protruding part 42, and a plurality of bolts are clamped in the mounting holes 43 and fixed with the outside.
Specifically, the protruding portion 42 protrudes from the edge portion of the mounting plate 4 to form an accommodating space, so that a bolt can be installed inside the accommodating space, one end of the bolt is arranged in the accommodating space, and the other end of the bolt penetrates through the mounting plate 4 to be fixed to the wall surface or the ceiling, so that the fixing mode of the omnidirectional ceiling antenna is more stable.
Further, the radiator 1 includes an inverted cone portion 11, and an upper end of the cone portion 11 extends outward to form an annular radiation plane 12. Specifically, the radiator 1 of inverted cone structure includes toper portion 11 and radiation plane 12, toper portion 11 is for reflecting plate 2 is the handstand form, it can the effectual low frequency operating band who expands the antenna, signal coverage improves the radiation distance of antenna, can be great degree to electromagnetic signal direction and amplification, it is stronger to make the electromagnetic signal that the ceiling antenna was inhaled in qxcomm technology received, simultaneously compare the size that has reduced the antenna than other shapes, the preparation raw materials have been practiced thrift, the metal material that electric conductive performance is good is usually selected to the material of radiator 1 when actual production, preferred aluminium and copper, reduce the cost of manufacture of antenna.
Further, the inside of the tapered portion 11 is provided with a step portion 111 for increasing the bandwidth of the omni-directional ceiling antenna. Similarly, the tapered portion 11 in this embodiment is provided with the step portion 111, and the size of the step portion 111 is adjusted to expand the high-frequency operating frequency band of the antenna and increase the coverage, so that the omnidirectional ceiling antenna has a broadband operating frequency, and the application range of the omnidirectional ceiling antenna is increased.
Furthermore, the reflection plate 2 is further provided with a low frequency induction sheet 22, the low frequency induction sheet 22 is located on one side of the radiator 1, and the low frequency induction sheet 22 and the radiation plane 12 are located at the same height. It can be understood that the low-frequency band frequency of the omnidirectional ceiling antenna is 600MHz to 960MHz, the low-frequency band is provided by the low-frequency induction sheet 22, and the end of the low-frequency induction sheet 22 close to the radiation plane 12 corresponds to the end shape of the radiation plane 12, if the radiation plane 12 is circular, the low-frequency induction sheet 22 is in an arc shape that is concave towards the end far away from the radiation plane 12, so that broadband omnidirectional radiation is realized, and the application range of the omnidirectional ceiling antenna is improved.
Further, the radiator 1 is fixed to the reflector 2 by a plurality of support portions 13, and the plurality of support portions 13 are uniformly distributed around the edge of the radiator 1.
Thus, the support part 13 is uniformly distributed around the radiator 1 by taking the radiator 1 as a center, the lower end of the support part 13 is arranged on the inner side of the reflector 2 and forms a certain inclination with the reflector 2, the upper end of the support part 13 is fixed with the lower end of the radiator 1 to support the radiator 1, the overall positioning of the radiator 1 is realized, and the height of the radiator 1 can be adjusted through the support part 13, so that the electrical performance of the antenna is adjusted, such as out-of-roundness and the like, the electrical index is optimized, meanwhile, the volume of the whole omnidirectional ceiling antenna is small, and the manufacturing cost of the antenna is reduced. In the present embodiment, the supporting portion 13 may be fixed to the reflector 2 and the radiator 1 by bolts or the like, or may be fixed by clamping or welding, and may be arbitrarily replaced in different use scenarios, where the number of the supporting portions 13 is preferably 4, and of course, in other embodiments, the number of the supporting portions 13 may be 3 or a combination of more than 4.
Furthermore, a plurality of isolation bars 23 are further arranged on the reflection plate 2, the isolation bars 23 are uniformly distributed around the conical part 11, and the isolation bars 23 are located below the radiation plane 12.
It can be understood that the isolation bars 23 can be installed on the inner side of the reflection plate 2 by screws, a plurality of L-shaped isolation bars 23 are arranged around the center of the radiator 1 at intervals, and the electrical indexes of the antenna, such as out-of-roundness, standing waves, etc., can be effectively improved by adjusting the distance between the isolation bars 23 and the radiator 1. The height of the isolation bars 23 is about 11mm, the width is about 8mm, and the isolation bars can be adaptively adjusted according to different sizes.
Further, the height of the radiator 1 is 25-35mm, the outer diameter of the radiating plane 12 is 165-175mm, and the taper of the tapered portion 11 is 106 °. Therefore, the height of the radiator 1 is within the range of 25-35mm, the omnidirectional ceiling antenna is guaranteed to be compact in structure and small in installation volume, and the frequency range of the antenna is expanded under the condition that various performance indexes of the antenna are good. The taper angle of the tapered portion 11 is 106 ° to obtain a good signal transfer efficiency. The unique conical part 11 of the radiator 1 and the outer diameter range of the radiation plane 12 are both set to widen the frequency band of the omnidirectional ceiling antenna, and under the condition of combining with the low-frequency induction sheet 22, the whole bandwidth of the omnidirectional ceiling antenna is 600MHz-4000MHz, the bandwidth improves the application range and the scene of the omnidirectional ceiling antenna, and the use elasticity is larger.
Furthermore, the reflector 2 is further provided with a protective cover 5, and the protective cover 5 covers the radiator 1, the support part 13 and the isolation bar 23. Protective cover 5 covers establishes on reflecting plate 2 to together form with reflecting plate 2 and hold the chamber, so that irradiator 1, supporting part 13 and parting bead 23 all are located this and hold the intracavity, avoid irradiator 1 etc. to receive influence such as external environment's collision and damage, also avoid the dust to enter into simultaneously and hold intracavity portion, influence the performance of antenna, protection irradiator 1, supporting part 13 and parting bead 23 reduce the maintenance cost of the ceiling antenna of qxcomm technology. The protecting cover 5 can be made of ABS or ASA plastic, and has long service life. Be equipped with the bolt mounting hole on the protective cover 5, then be equipped with the through-hole that is used for alternate screw rod on the reflecting plate 2, reflecting plate 2 and protective cover 5 accessible bolt fastening also can be fixed through modes such as other buckles or gluing.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. An omnidirectional ceiling antenna comprises a radiating body, a reflecting plate and a coaxial feeder line, wherein the radiating body is positioned on the inner side of the reflecting plate, and the coaxial feeder line is positioned on the outer side of the reflecting plate;
the mounting plate is provided with a plurality of buckles, the reflecting plate is provided with buckling positions corresponding to the buckles, and the buckles and the buckling positions are connected fixedly.
2. The omni-directional ceiling antenna according to claim 1, wherein the buckle comprises a first cylinder and a second cylinder which are arranged in sequence from top to bottom, and the second cylinder is fixed with the mounting plate;
the buckling position is composed of a through hole and a sliding groove which are connected, and the diameter of the through hole is larger than or equal to the diameter of the first cylinder and the width of the sliding groove is larger than or equal to the diameter of the second cylinder.
3. The omni-directional ceiling antenna according to claim 1, wherein a protrusion is formed at the middle of the mounting plate protruding to the side away from the reflector plate, the protrusion is provided with a plurality of mounting holes, and a plurality of bolts are fastened in the mounting holes to be fixed with the outside.
4. The omni-directional ceiling antenna according to claim 1, wherein the radiator comprises an inverted cone portion, and an upper end of the cone portion extends outward to form an annular radiation plane.
5. The omni-directional ceiling antenna according to claim 4, wherein the inside of the cone is further provided with a step for increasing the bandwidth of the omni-directional ceiling antenna.
6. The omni-directional ceiling antenna according to claim 4, wherein the reflector plate is further provided with a low frequency induction patch, the low frequency induction patch is located on one side of the radiator, and the low frequency induction patch is located at the same height as the radiation plane.
7. The omni-directional ceiling antenna according to claim 4, wherein the radiator is fixed to the reflector via a plurality of support portions uniformly distributed around the edge of the radiator.
8. The omni-directional ceiling antenna according to claim 7, wherein a plurality of spacers are further disposed on the reflector, the spacers are uniformly distributed around the tapered portion, and the spacers are located below the radiation plane.
9. The omni-directional ceiling antenna according to claim 4, wherein the height of the radiator is 25-35mm, the outer diameter of the radiating plane is 165-175mm, and the taper of the tapered portion is 106 °.
10. The omni-directional ceiling antenna according to claim 8, wherein the reflector plate further comprises a protective cover covering the radiator, the support and the isolation strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021384543.5U CN212392369U (en) | 2020-07-15 | 2020-07-15 | Omnidirectional ceiling antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021384543.5U CN212392369U (en) | 2020-07-15 | 2020-07-15 | Omnidirectional ceiling antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212392369U true CN212392369U (en) | 2021-01-22 |
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ID=74252731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021384543.5U Active CN212392369U (en) | 2020-07-15 | 2020-07-15 | Omnidirectional ceiling antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212392369U (en) |
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2020
- 2020-07-15 CN CN202021384543.5U patent/CN212392369U/en active Active
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