CN112448121A

CN112448121A - Building antenna

Info

Publication number: CN112448121A
Application number: CN202011096446.0A
Authority: CN
Inventors: 姚康水; 黄伟青; 肖飞; 管定金; 邱建源
Original assignee: Comba Telecom Technology Guangzhou Ltd; Jingxin RF Technology Guangzhou Co ltd
Current assignee: Comba Telecom Technology Guangzhou Ltd; Jingxin RF Technology Guangzhou Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-03-05

Abstract

The present disclosure relates to the field of station antennas, and more particularly, to a building antenna. Including the fixing base, increase frame and antenna body, the fixing base be used for with wall body fixed mounting, it erects in to increase on the fixing base, the antenna body is installed increase on the frame, just the antenna body includes the shell, locates reflecting plate and radiating element in the shell, radiating element install in on the reflecting plate, the rotatable locating of reflecting plate in the shell, in order to adjust radiating element's radiation angle.

Description

Building antenna

Technical Field

The present disclosure relates to the field of base station antennas, and particularly to a building antenna.

Background

Along with the rapid development of urban construction, the urban public land limit of a newly-built base station of a communication operator is also gradually reduced, the coordination difficulty of various urban property is gradually increased, and various current situations cause great difficulty in site selection of the newly-built base station.

In the field of traditional base station antenna installation, the use scene of building antenna has two kinds of situations of ground and parapet. When the building antenna needs to be installed on the parapet, the building antenna can only be installed and used by reasonably utilizing the wall body of the parapet. In different installation scenes, the thickness of the parapet is different, so that the installation position and the angle of the building antenna on the parapet need to be adjusted, so that the signal transmission and the coverage of the antenna are not affected. The existing building antenna with the phase shifter can solve the problems, but the phase shifter is high in cost, and therefore the manufacturing cost and the using cost of the building antenna are high.

Disclosure of Invention

In order to solve the technical problem that traditional building antenna can not angle regulation and cost is higher, this disclosure provides a building antenna.

The utility model provides a building antenna, include the fixing base, increase frame and antenna body, the fixing base be used for with wall body fixed mounting, it erects in to increase on the fixing base, the antenna body is installed increase on the frame, just the antenna body includes the shell, locates reflecting plate and radiating element in the shell, radiating element install in on the reflecting plate, the rotatable locating of reflecting plate in the shell, with the adjustment radiating element's radiation angle.

Two opposite mounting racks are arranged in the shell, the reflecting plate is arranged between the two mounting racks, and two sides of the reflecting plate are respectively connected with the mounting racks in a rotating manner through rotating connecting mechanisms

Optionally, at least one side of the reflection plate is provided with a turnover positioning mechanism, at least one of the mounting frames is provided with a sliding groove, the turnover positioning mechanism includes a sliding rod and a handle, the sliding rod is slidably inserted into the sliding groove, one end of the sliding rod is fixedly connected with the reflection plate, the other end of the sliding rod is connected with the handle, and the handle can enable the sliding rod to be switched between an unlocking state and a locking state; when the sliding rod is in an unlocking state, the sliding rod can slide in the sliding groove to enable the reflecting plate to rotate; when the sliding rod is in a locked state, the sliding rod is fixed in the sliding groove, so that the position of the reflecting plate is fixed.

Optionally, the sliding groove is an arc-shaped groove with one of the rotating mechanisms as a center.

Optionally, the shell includes the back shroud and the cover body, the back shroud lock is in the uncovered department of the cover body with the cover body encloses jointly the reflecting plate with the installation space of radiation unit, just the lateral surface of back shroud be equipped with increase the mounting structure that the frame is connected.

Optionally, state mounting structure and include first installed part, first fastener and second fastener, first installed part includes first connecting portion and second connecting portion, first connecting portion with form the contained angle between the second connecting portion, first fastener with first connecting portion with the back shroud is connected, be used for with first installed part with the shell is connected, the second fastener with second connecting portion with it connects to increase the frame, be used for with first connecting piece with it connects to increase the frame.

Optionally, the mounting structure further comprises a second mounting plate, the second mounting plate is fixed to the outer side of the rear cover plate, the first connecting portion is attached to the second mounting plate, and the first fastener is removed to penetrate through the first connecting portion, the second mounting plate and the rear cover plate to fixedly connect the first connecting piece with the outer shell.

Optionally, the heightening frame comprises a telescopic rod body, one end of the rod body is fixed on the fixing seat, and the other end of the rod body is installed on the second connecting portion through the second fastening piece.

Optionally, a mark point is arranged at one end of the heightening frame, which is far away from the fixed seat, and the mark point is used for marking the installation position of the second fastener.

Optionally, a window and a waterproof cover matched with the window are arranged at a position, opposite to the turnover positioning mechanism, on the housing.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: this building antenna of disclosure utilizes the fixing base to install the antenna on the wall body, is equipped with on the fixing base and increases the frame, and the antenna body is installed on increasing the frame, and the antenna body includes the shell, locates reflecting plate and radiating element in the shell, and radiating element installs on the reflecting plate, and the reflecting plate is rotatable to be located in the shell to according to the thickness of the wall body of difference, adjustment radiating element's angle. The building antenna disclosed by the invention can realize the adjustment of the radiation inclination angle of the building antenna without a phase shifter, is suitable for the installation of walls with different thicknesses, and greatly reduces the manufacturing cost and the use cost of the building antenna.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a building antenna according to some embodiments of the present disclosure;

FIG. 2 is a schematic structural view of a fixing base and an elevating frame according to some embodiments of the present disclosure;

FIG. 3 is a schematic structural view of a first mount according to some embodiments of the present disclosure;

FIG. 4 is a schematic structural view of a second fastener according to some embodiments of the present disclosure;

FIG. 5 is a state diagram of the use of a building antenna according to some embodiments of the present disclosure;

fig. 6 is a schematic structural view of a fixing base according to some embodiments of the present disclosure;

fig. 7 is a schematic structural diagram of an antenna body according to some embodiments of the present disclosure;

fig. 8 is a schematic diagram of the antenna body with the cover removed according to some embodiments of the present disclosure;

FIG. 9 is an enlarged view of a portion of FIG. 8;

fig. 10 is a schematic structural view of a rear portion of an antenna body provided by some embodiments of the present disclosure;

fig. 11 is a schematic structural diagram of a reflection plate and a radiation unit according to some embodiments of the present disclosure.

Wherein, 1, fixing the base; 2. a first mounting member; 3. a second fastener; 4. an antenna body; 5. a wall body; 6. heightening; 101. mounting a plate; 102. mounting a plate; 103. a cross beam; 104. a support plate; 105. a fixing hole; 201. a second connecting portion; 202. a fourth assembly hole; 203. a first connection portion; 301. a connecting arm; 302. a threaded segment; 601. marking points; 602. a support leg; 401. a cover body; 402. a rear cover plate; 403. a waterproof cover; 404a, a mounting rack; 404b, a support plate; 405. a radiation unit; 406. a reflective plate; 407. a turning positioning mechanism; 407a, a sliding bar; 407b, a handle; 408. a sliding groove; 409. a rotating shaft; 410. a second mounting plate; 411. and (7) installing holes.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

As shown in fig. 1 to 11, the present disclosure provides a building antenna, including fixing base 1, heightening frame 6 and antenna body 4, fixing base 1 is used for fixing installation with wall 5, heightening frame 6 is provided on fixing base 1, antenna body 4 is installed on heightening frame 6, and antenna body 4 includes shell, reflecting plate 406 and radiating element 405, and radiating element 405 is installed on reflecting plate 406, and rotatable setting of reflecting plate 406 is in the shell to adjust the radiation inclination of radiating element 405. This building antenna need not move looks ware, can realize the regulation at building antenna radiation inclination, is applicable to the wall body installation of different thickness, has reduced building antenna's manufacturing cost and use cost by a wide margin.

Further, in some embodiments of the present disclosure, as shown in fig. 7 and 10, the housing includes a rear cover plate 402 and a cover 401, the cover 401 is of an arched structure, the rear cover plate 402 is fastened to an open end of the cover 401, the rear cover plate 402 is understood by screws from the cover 401, and the rear cover plate 402 and the cover 401 together enclose an installation space of the reflector plate 406 and the radiation unit 405, a support plate 404b is further disposed in the installation space, the support plate 404b is attached to the rear cover plate 402, two ends of the support plate 404b extend in a direction away from the rear cover plate 402 to form two oppositely disposed mounting brackets 404a, the mounting brackets 404a are substantially perpendicular to the rear cover plate 402, one end of the mounting brackets 404a away from the rear cover plate 402 is set to be arc-shaped to fit the shape of the cover 401, the reflector plate is disposed between the two mounting brackets 404a, and two sides of the reflector plate 406 are respectively rotatably connected to the mounting brackets 404a through a rotational connection, the radiation unit 405 is disposed on a side of the reflection plate 406 facing away from the back cover plate 402.

Specifically, as shown in fig. 8 and fig. 11, the rotating connection mechanism includes a rotating shaft 409, in some embodiments of the present disclosure, two mounting brackets 404a are respectively provided with a rotating shaft 409, the rotating shafts 409 on the two mounting brackets 404a are oppositely disposed and are disposed along a straight line, the rotating shaft 409 is parallel to the rear cover plate 402 and is perpendicular to the mounting brackets 404a, two sides of the reflection plate 406 are respectively provided with a mounting hole 411 matched with the rotating shaft 409, and the rotating shaft 409 rotatably extends into the corresponding mounting hole 411, so that the reflection plate 406 is rotatably disposed between the two mounting brackets 404 a. In addition, in order to realize the stability of the rotation of the reflecting plate, the rotating shaft is arranged and connected with the middle part of the reflecting plate. The rotation connection mechanism may further include a bearing provided at a position where the rotation shaft 409 is connected to the mounting hole 411 to further improve the stability of the mounting bracket 404a and the reflection plate 406.

It should be noted that the mounting bracket 404a is substantially perpendicular to the rear cover plate 402, which means that the mounting bracket 404a is not absolutely perpendicular to the rear cover plate 402, and due to production and assembly errors, the mounting bracket 404a and the rear cover plate 402 can be tilted at a certain angle within the tolerance range, so long as it is feasible that the normal installation and use of the reflection plate 406 and the mounting bracket 404a are not affected.

Further, as shown in fig. 8 and 9, at least one side of the reflection plate 406 is provided with a flipping positioning mechanism 407, and the mounting bracket 404a on at least one side is provided with a sliding groove. The overturning positioning mechanism 407 comprises a sliding rod 407a and a handle 407b, the sliding rod 407a is rotatably inserted into the sliding groove, one end of the sliding rod 407a is fixedly connected with the reflective plate 406, the other end of the sliding rod 407a is connected with the handle 407b, the handle 407b can enable the sliding rod to be switched between an unlocking state and a locking state, and when the sliding rod 407a is in the unlocking state, the sliding rod 407a can slide in the sliding groove 408 to drive the reflective plate 406 to rotate for a certain angle; when the sliding bar 407a is in the locked state, the handle 407b fixes the sliding bar 407a within the sliding groove 408 to fix the emitter plate 406 at a specific position.

Further, the shape of the sliding slot 408 is circular arc, and the circular arc of the track of the sliding slot 408 is centered on the rotating shaft 411 on the mounting bracket 404a where the sliding slot 408 is located, that is, the reflection plate 406 rotates around the rotating shaft 411. In some embodiments of the present disclosure, when the sliding rod 407a slides in the sliding groove 408, the rotation angle of the reflection plate 406 is +30 ° to-30 °, the sliding groove 408 is symmetrically disposed about the rotation shaft 411, when the sliding rod 407a is located right above the rotation shaft, that is, the center position of the sliding groove 408, the reflection plate 406 is parallel to the back cover plate 402, at this time, the reflection plate 406 is substantially vertical, the rotation angle of the reflection plate 406 is 0 °, when the sliding rod 407a moves to one end of the sliding groove 408 in a direction close to the back cover plate 402, the upper end of the emission plate 406 is close to the back cover plate 402, the included angle between the reflection plate 406 and the back cover plate 402 is-30 °, when the sliding rod 407a moves to one end of the sliding groove 408 in a direction away from the back cover plate 402, the upper end of the reflection plate 406 is away from the back cover plate 402, and the included angle between the reflection plate 406 and the back cover plate. It should be noted that the rotation angle of the reflection plate 406 is not limited to be +30 ° to-30 °, and the rotation angle of the reflection plate 406 can be adjusted by changing the length of the sliding groove 408 according to the specific installation environment, so that the reflection plate 406 can rotate by a certain angle according to different installation positions to ensure that the radiation range of the radiation unit 405 on the reflection plate 406 is not interfered by the wall.

Specifically, a handle 407b is disposed to be screwed with an end portion of the sliding rod 407a, the handle 407b is disposed outside the mounting bracket 404a, one end of the sliding rod 407a is fixedly connected with a side edge of the reflection plate 406, the other end of the sliding rod 407a protrudes from the sliding groove 408 to an outside of the mounting bracket 404a, a portion of the sliding rod 407a protruding to the outside of the mounting bracket 404a is provided with an external thread, the handle 407b is provided with an internal thread, the handle 407b is fitted over the sliding rod 407a, when the handle 407b is screwed in a direction close to the mounting bracket 404a, the handle 407b can abut against the mounting bracket 404a, at this time, the sliding rod 407a is relatively fixed in the sliding groove 408 and cannot rotate, when the handle 407b is unscrewed in a direction away from the mounting bracket 404a, the handle 407b is relatively far away from the mounting bracket 404a, the constraint of the sliding rod 407a is released, at this time, the sliding rod 407a can slide, thereby driving the reflection plate 406 to rotate a certain angle around the rotation shaft 411 as a rotation center. Further, an angle indicator is provided on the mounting bracket 404a near the sliding slot 408, for example, when the sliding rod 407a moves to a position on the sliding slot 408 indicating 20 °, it indicates that the rotation angle of the reflection plate 406 is 20 °, the reflection plate 406 can be directly adjusted to a proper angle according to the angle indicator on the mounting bracket 404a, after the angle adjustment of the reflection plate 406 is completed, the handle 407b is screwed down in the direction near the mounting bracket 404a again, and when the sliding rod 407a is fixed to the sliding slot 408, the reflection plate 406 is fixed at the proper angle, so as to achieve the positioning after the rotation of the reflection plate 406.

In addition, the position relative to the turnover positioning mechanism on the shell is provided with a window and a waterproof cover 403 matched with the window, the waterproof cover 403 is fixedly connected with the shell through a screw, when the angle of the reflecting plate 406 needs to be adjusted, the waterproof cover 403 is opened, an operator can operate the handle 407b, after the adjustment is completed, the waterproof cover 403 is closed, the handle 407b and the wire connector can be protected, the structure in the shell is protected, water is prevented from entering the shell, and the risk of aging of the antenna body is reduced.

Further, in some embodiments of the present disclosure, as shown in fig. 1 to 6, the heightening frame 6 is mounted on the outer side of the rear cover plate 402 by a mounting structure, the inner side of the rear cover plate 402 is the side facing the cover body, and the side opposite to the inner side is the outer side of the rear cover plate 402. The mounting structure comprises a first mounting part 2, the first mounting part 2 is a sheet metal part, the sheet metal part is bent to form a first connecting part 203 and a second connecting part 201 of the first mounting part 2, an included angle is formed between the first connecting part 203 and the second connecting part 201, in some embodiments, the first connecting part 203 is substantially perpendicular to the second connecting part 201, and it should be noted that "substantially perpendicular" here is intended to indicate that the first connecting part and the second connecting part do not need to be absolutely perpendicular, and within an allowable range, due to manufacturing tolerance and assembly, the first connecting part 203 and the second connecting part 201 can be relatively inclined by a certain angle, in this case, the two parts are also considered to be perpendicular to each other.

When the installation, first connecting portion 203 is connected with back shroud 402 laminating, and heightening frame 6 places the contained angle department that first connecting portion 203 and second connecting portion 201 formed to with second connecting portion 201 fixed connection.

Specifically, the mounting structure still includes first fastener and second fastener 3, set up first pilot hole on the first connecting portion 203, correspond on the back shroud 402 and set up the second pilot hole, screw or pin etc. are chooseed for use to first fastener, first pilot hole is the unthreaded hole, the second pilot hole can be the unthreaded hole, first fastener passes first pilot hole and second pilot hole in proper order and fastens through the nut, so that first installed part 2 and back shroud fixed connection, when the thickness of back shroud 402 is enough thick, the second pilot hole also can set up to the screw hole, first fastener passes behind the first pilot hole and realizes fastening with second pilot hole threaded connection. Generally, at least two sets of first assembling holes are provided on the first connecting portion 203, each set of first assembling holes includes at least two first assembling holes, the positions and the arrangement angles of the first assembling holes of different sets are different, and when the first assembling holes of different sets are adopted to be matched with the second assembling holes on the rear cover plate, the antenna body 4 is at different installation angles relative to the first fastening member.

Further, as shown in fig. 10, in order to enhance the connection strength between the first connection portion 203 and the housing, a second mounting plate 410 is disposed on the outer side of the rear cover plate 402, a third mounting hole corresponding to the second mounting hole on the rear cover plate 402 is disposed on the second mounting plate 410, the first connection portion 203 is attached to the second mounting plate 410, and a first fastener sequentially penetrates through the first connection portion 203, the second mounting plate 410 and the rear cover plate 402 to connect the first connection portion 203, the second mounting plate 410 and the rear cover plate 402 together.

Second fastener 3 chooses for use the U type to press from both sides the sign indicating number, sets up two sets of fourth pilot holes 202 at least on the second connecting portion 201, and every fourth pilot hole 202 of group includes two fourth pilot holes 202 for supply the U type to press from both sides the sign indicating number and pass, and the arc linking arm 301 cover that the U type pressed from both sides the sign indicating number is established on increasing a 6, and two straight line screw thread sections 302 that the U type pressed from both sides the sign indicating number pass fourth pilot hole 202 back respectively, through the nut fastening, will increase a 6 and realize fixed connection with second connecting portion 201. In order to improve the stability of the connection between the heightening frame 6 and the second connecting portion 201, at least two U-shaped clamp codes may be provided along the length direction of the heightening frame 6.

Furthermore, as shown in fig. 2, a mark point 601 is disposed at one end of the heightening frame 6 far from the fixing base, and the mark point 601 is used for marking the installation position of the second fastening member 3, so that the requirement of the relative position between the heightening frame 6 and the second connecting portion 201 can be satisfied by connecting the second fastening member 3 at the mark point 601 of the heightening frame 6 in the second connecting portion 201 without repeated measurement during assembly. As long as the mounting position of the U-shaped clamp code on the heightening frame 6 is located at the mark point 601 or above the mark point 601, the signal transmission of the building antenna is not affected even when the reflection plate 406 is at the maximum rotation angle.

Further, in some embodiments of the present disclosure, the heightening frame 6 comprises a telescopic rod, one end of the rod is fixed on the fixing base, and the other end of the rod is mounted on the second connecting portion 201 through the second fastening member 3. Will increase to erect 6 telescopic body of rod, further increase the range of application of building antenna, when using, can increase the height of frame 6 according to the service environment of difference, so that the radiation range of the radiating element 405 in the antenna body does not receive installation environment's interference, is applicable to different installation environment.

In addition, as shown in fig. 2 and fig. 6, in some embodiments of the present disclosure, the fixing base 1 includes two mounting

plates

101 and 102 disposed in parallel, the two mounting

plates

101 and 102 are connected by a plurality of cross beams 103, in addition, in order to install the heightening frame 6, a supporting plate 104 is further disposed between the two mounting

plates

101 and 102, a lower end of the heightening frame 6 is provided with a supporting leg 602 fixedly connected with the supporting frame 104, the mounting

plates

101 and 102 are provided with fixing holes 105, when the fixing base 1 is installed on a parapet, bottom surfaces of the mounting

plates

101 and 102 are attached to an upper end surface of the parapet, and the fixing base 1 is fixed on the parapet by using expansion bolts at the fixing holes 105. Specifically, as shown in fig. 6, two fixing holes 105 are respectively formed in two mounting

plates

101 and 102, the fixing holes 105 are waist-shaped holes, the interval between the two fixing holes 105 is 60mm, the length of a straight line segment of each fixing hole 105 is 8mm, the minimum distance from the edge is 60mm, and the building antenna can be mounted on any parapet wall as long as the thickness of the parapet wall is greater than 196mm (196mm is 60mm +8mm +60mm +8mm +60mm) according to the principle that the minimum distance from the fixing hole to the wall surface needs to be greater than 60mm during punching and mounting. It should be noted that, by changing the position and size of the fixing hole 105 on the fixing base 1, the building antenna can meet the installation requirements of different wall thicknesses, and is not limited to be larger than 196 mm.

To sum up, the building that this disclosed embodiment provided is all around, simple structure, the practicality is strong, can realize adjusting the reflecting plate angle in the horizontal direction through the design of structure to the realization is adjusted the inclination of building antenna on the horizontal direction. When the building antenna is used, the inclination angle of the building antenna in the horizontal direction can still be adjusted after the phase shifters are reduced, and therefore the use cost of the building antenna is greatly reduced.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a building antenna, its characterized in that includes the fixing base, increases frame and antenna body, the fixing base be used for with wall body fixed mounting, it erects in to increase on the fixing base, the antenna body is installed increase on the frame, just the antenna body includes the shell, locates reflecting plate and radiating element in the shell, radiating element install in on the reflecting plate, the rotatable locating of reflecting plate in the shell, in order to adjust radiating element's radiation inclination.

2. A building antenna as claimed in claim 1, wherein two opposite mounting brackets are provided in the housing, the reflector plate is provided between the two mounting brackets, and both sides of the reflector plate are rotatably connected to the mounting brackets by means of a rotating connection mechanism, respectively.

3. A building antenna as claimed in claim 2, wherein at least one side of said reflector plate is provided with a flip positioning mechanism, at least one of said mounting brackets is provided with a sliding slot, said flip positioning mechanism comprises a sliding rod and a handle, said sliding rod is slidably inserted into said sliding slot, and one end of said sliding rod is fixedly connected to said reflector plate, and the other end of said sliding rod is connected to said handle, said handle is capable of switching said sliding rod between an unlocked state and a locked state; when the sliding rod is in an unlocking state, the sliding rod can slide in the sliding groove to enable the reflecting plate to rotate; when the sliding rod is in a locked state, the sliding rod is fixed in the sliding groove, so that the position of the reflecting plate is fixed.

4. A building antenna as claimed in claim 3, characterized in that said sliding slot is an arc-shaped slot centered on one of said turning mechanisms.

5. A building antenna as claimed in any one of claims 1-4, wherein the housing comprises a back cover plate and a cover body, the back cover plate is fastened to the opening of the cover body and encloses the mounting space for the reflector plate and the radiating element together with the cover body, and the outer side of the back cover plate is provided with a mounting structure for connecting with the heightening frame.

6. A building antenna as claimed in claim 5, wherein the mounting structure comprises a first mounting member, a first fastener and a second fastener, the first mounting member comprising a first connection portion and a second connection portion, the first connection portion and the second connection portion forming an included angle therebetween, the first fastener being connected to the first connection portion and the back cover plate for connecting the first mounting member to the housing, the second fastener being connected to the second connection portion and the height increasing frame for connecting the first connector to the height increasing frame.

7. A building antenna as claimed in claim 6, wherein the mounting structure further comprises a second mounting plate fixed to the outside of the back cover plate, the first connector fitting against the second mounting plate, the first fastener removing passing through the first connector, second mounting plate and back cover plate to fixedly connect the first connector to the housing.

8. A building antenna as claimed in claim 6, wherein the heightening frame comprises a telescopic rod, one end of which is fixed to the fixing base and the other end of which is mounted to the second connecting portion by the second fastening member.

9. A building antenna as claimed in claim 8, wherein the elevated portion is provided with a marker at an end thereof remote from the mounting base, the marker being used to mark the location of the second fastener.

10. A building antenna as claimed in claim 3, characterized in that a window and a watertight cover cooperating with said window are provided on said housing opposite said flip positioning means.