CN211530161U

CN211530161U - High-phase-stability multimode navigation antenna

Info

Publication number: CN211530161U
Application number: CN202020572858.6U
Authority: CN
Inventors: 林叶嵩; 贺群; 李明
Original assignee: Shanghai Jingji Communication Technology Co ltd
Current assignee: Shanghai Jingji Communication Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-09-18
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a high stationary phase multimode navigation antenna relates to the antenna field, which comprises a housin, be equipped with the antenna element in the casing, slidable mounting has the frame that ventilates of filtration in the casing, and fixed mounting has same mounting panel on the inner wall of frame that ventilates of filtration. The utility model discloses it is rational in infrastructure, when the high heat dissipation of needs of ambient temperature, stimulate two Z type poles and can pop out the ventilative frame of filtration, the mounting panel, the erection column, the antenna unit, spliced pole and fan, the inside air of casing is linked together with the external world, the fan is opened simultaneously, dispel the heat to the antenna unit, make the antenna unit to cool down, prevent that the high temperature from making the antenna unit damage, in colder weather, press the mounting panel and can make the antenna unit slowly withdraw in the casing, thereby make the inside air and the external world of casing cut off, thereby avoid the inside influence antenna unit of external cold air entering casing to carry out work.

Description

High-phase-stability multimode navigation antenna

Technical Field

The utility model relates to an antenna field, in particular to high stationary phase multimode navigation antenna.

Background

The antenna is a converter which converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or performs the reverse conversion, and a high-stability phase center antenna (also called a measurement type antenna) is taken as an important component of a high-precision satellite navigation receiver, how the performance of the antenna is directly related to the measurement precision of the satellite navigation receiver, and the phase center change of the antenna is a significant error source in a high-precision satellite navigation measurement system.

The existing high-stability phase multimode navigation antenna is generally installed inside a shell, an original element inside the shell can emit heat when working, when the external temperature is high, the heat of the element inside the shell needs to be dissipated, otherwise, the service life of the antenna can be influenced, when the external temperature is low, the inside of the shell needs to be separated from the outside, the phenomenon that the outside cold air enters the inside of the shell to influence the antenna to be used is avoided, and therefore the high-stability phase multimode navigation antenna is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high stationary phase multimode navigation antenna to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high stationary phase multimode navigation antenna, includes the casing, be equipped with the antenna unit in the casing, slidable mounting has the frame that ventilates of filtration in the casing, and fixed mounting has same mounting panel on the inner wall of frame that ventilates of filtration, and the bottom side fixed mounting of mounting panel has two erection columns, and the bottom fixed mounting of two erection columns is on the top side of antenna unit, and equal fixed mounting has the spliced pole on the both sides inner wall of frame that ventilates of filtration, and the one end fixed mounting that two spliced poles are close to each other has same fan, the corresponding setting in position of fan and antenna unit.

Preferably, the equal fixed mounting in both sides of casing has the fixed block, and Z type hole has all been seted up to one side that two fixed blocks are close to each other, and equal slidable mounting has Z type pole in two Z type holes, and the both ends of Z type pole all extend to outside the Z type hole.

Preferably, the two Z-shaped rods are fixedly mounted on one sides far away from each other with limiting springs, and one ends far away from each other with the limiting springs are fixedly mounted on the inner wall of one side far away from each other with the two Z-shaped holes respectively.

Preferably, one side of one of the Z-shaped rods is fixedly provided with a first conductive block, one side of the first conductive block is provided with a second conductive block fixedly arranged on the inner wall of one side of the Z-shaped hole, the second conductive block is matched with the first conductive block, a storage battery fixedly arranged on one side of the shell is arranged below the fixed block, and the second conductive block, the first conductive block, the storage battery and the fan are electrically connected in sequence.

Preferably, the equal fixed mounting in one side that two Z type poles are close to each other has the right angle piece, and the bottom side of two right angle pieces all contacts with the top side of filtering ventilative frame, mounting panel and casing, and the right angle piece equals the horizontal distance between second conducting block and the first conducting block with the horizontal distance of filtering ventilative frame and mounting panel contact surface, filters ventilative frame and has seted up the draw-in groove in one side of keeping away from the battery, the draw-in groove sets up with the position of keeping away from the right angle piece of battery is corresponding.

Preferably, the positions around the inner wall of the bottom side of the shell are all fixedly provided with return springs, and the top ends of the four return springs are respectively and fixedly arranged on the bottom side of the mounting plate.

Preferably, a buffering anti-skid pad is fixedly mounted on the bottom side of the shell.

The utility model discloses a technological effect and advantage:

1. the utility model discloses it is rational in infrastructure, when the high temperature of external world needs the heat dissipation, stimulate two Z type poles, drive two right angle blocks and slowly separate with the top side of two filtration ventilative frames and two mounting panels, pop out filtration ventilative frame, mounting panel, erection column, antenna unit, spliced pole and fan under four reset spring's reaction force, the air in the casing is linked together with the external world, first conducting block contacts with the second conducting block simultaneously and makes the fan open, dispel the heat to the antenna unit, make the antenna unit can cool down, prevent that the high temperature from making the antenna unit damage;

2. utilize the design of mounting panel and buffering slipmat, in colder weather, press the mounting panel and can make antenna unit slowly withdraw in the casing to make the air and the external world of the inside of casing cut off, thereby avoid external cold air to get into the inside influence antenna unit of casing and carry out work, through the setting of buffering slipmat, certain buffering shock attenuation can be carried out to the stability of placing in the increase simultaneously, avoid antenna unit to receive jolting and damage at the removal in-process.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the front view structure of the present invention.

Fig. 3 is a schematic view of the explosion structure of the present invention.

Fig. 4 is a schematic view of the internal structure of the present invention.

FIG. 5 is an enlarged schematic view of the A-position in FIG. 2 according to the present invention

In the figure: 1. a housing; 2. an antenna unit; 3. a filtering and ventilating frame; 4. mounting a plate; 5. mounting a column; 6. connecting columns; 7. a fan; 8. a fixed block; 9. a Z-shaped hole; 10. a Z-shaped rod; 11. a right-angle block; 12. a limiting spring; 13. a second conductive block; 14. a first conductive block; 15. a storage battery; 16. a return spring; 17. a buffering anti-skid pad; 18. a clamping groove.

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 work belong to the protection scope of the present invention.

The utility model provides a high stationary phase multimode navigation antenna as shown in fig. 1-5, which comprises a housin 1, be equipped with antenna unit 2 in the casing 1, slidable mounting has filtration ventilative frame 3 in the casing 1, fixed mounting has same mounting panel 4 on the inner wall of filtration ventilative frame 3, the bottom side fixed mounting of mounting panel 4 has two erection columns 5, the bottom fixed mounting of two erection columns 5 is on antenna unit 2's top side, equal fixed mounting has spliced pole 6 on the both sides inner wall of filtration ventilative frame 3, the one end fixed mounting that two spliced poles 6 are close to each other has same fan 7, fan 7 sets up with antenna unit 2's position is corresponding, setting through fan 7, can dispel the heat to antenna unit 2, make antenna unit 2 can cool down, prevent that the high temperature from making antenna unit 2 damage.

Further, in above-mentioned scheme, the equal fixed mounting in both sides of casing 1 has fixed block 8, and Z type hole 9 has all been seted up to two fixed blocks 8 one side that is close to each other, and equal slidable mounting has Z type pole 10 in two Z type holes 9, and outside Z type hole 9 was all extended to at the both ends of Z type pole 10, can carry out spacingly with Z type pole 10 through the setting in Z type hole 9.

Further, in the above scheme, two Z type poles 10 are all fixed mounting in the one side that keeps away from each other has spacing spring 12, and the one end that two spacing springs 12 kept away from each other is fixed mounting respectively on the one side inner wall that two Z type holes 9 kept away from each other, through the setting of spacing spring's 12, can be so that Z type pole 10 reconversion.

Further, in the above scheme, one side of one of the Z-shaped rods 10 is fixedly provided with a first conductive block 14, one side of the first conductive block 14 is provided with a second conductive block 13 fixedly mounted on the inner wall of one side of the Z-shaped hole 9, the second conductive block 13 is matched with the first conductive block 14, a storage battery 15 fixedly mounted on one side of the housing 1 is arranged below the fixed block 8, the second conductive block 13, the first conductive block 14, the storage battery 15 and the fan 7 are electrically connected in sequence, and when the first conductive block 14 is in contact with the second conductive block 13, the fan 7 can be turned on.

Furthermore, in the above scheme, the side of the two Z-shaped rods 10 close to each other is fixedly provided with a right-angle block 11, the bottom side of each right-angle block 11 is in contact with the top sides of the filtering and ventilating frame 3, the mounting plate 4 and the housing 1, the horizontal distance between the right-angle block 11 and the contact surface of the filtering and ventilating frame 3 and the mounting plate 4 is equal to the horizontal distance between the second conductive block 13 and the first conductive block 14, one side of the filtering and ventilating frame 3 away from the storage battery 15 is provided with a clamping groove 18, the clamping groove 18 is arranged corresponding to the position of the right-angle block 11 away from the storage battery 15, and through the arrangement of the clamping groove 18, when the position of the clamping groove 18 on the filter and air permeable frame 3 corresponds to that of the right-angle block 11 on the left side, make left side right angle piece 11 get into draw-in groove 18 under the effort of left side spacing spring 12 in, the rigidity of filtration ventilative frame 3 this moment to avoid filtering ventilative frame 3 to break away from casing 1.

Further, in the above scheme, the four sides of the inner wall of the bottom side of the housing 1 are all fixedly provided with the return springs 16, the top ends of the four return springs 16 are respectively and fixedly arranged on the bottom side of the mounting plate 4, and the filtering and ventilating frame 3, the mounting plate 4, the mounting column 5, the antenna unit 2, the connecting column 6 and the fan 7 can be popped out under the reaction force of the four return springs 16 through the arrangement of the four return springs 16.

Further, in the above scheme, a buffering non-slip mat 17 is fixedly mounted on the bottom side of the housing 1, and by the arrangement of the buffering non-slip mat 17, the placing stability is increased, and meanwhile, certain buffering and shock absorption can be performed, so that the antenna unit 2 is prevented from being damaged due to bumping in the moving process.

This practical theory of operation:

through the setting of buffering slipmat 17, increase the stability of placing and can carry out certain buffering shock attenuation simultaneously, avoid antenna unit 2 to receive jolt and damage in the removal process, and when needing the heat dissipation, two Z type poles 10 of pulling make it keep away from each other, two spacing springs 12 all take place elastic deformation, two Z type poles 10 remove and drive two right angle blocks 11 respectively and slowly with the top side phase separation of two filtration ventilative frames 3 and two mounting panels 4, one of them Z type pole 10 removes and drives first conducting block 14 and removes simultaneously, when two right angle blocks 11 and two filtration ventilative frames 3 and two mounting panels 4 phase separations, first conducting block 14 contacts with second conducting block 13, because four reset springs 16 are in compression state, so pop out filtration ventilative frame 3, mounting panel 4, erection column 5, antenna unit 2 under four reset spring 16's reaction force, Spliced pole 6 and fan 7, it upwards pops out to filter ventilative frame 3, when the draw-in groove 18 on filtering ventilative frame 3 is corresponding with left right-angle piece 11's position, make left side right-angle piece 11 get into in draw-in groove 18 under the effort of the spacing spring 12 in left side, the rigidity of filtering ventilative frame 3 this moment, the inside air of casing 1 is linked together with the external world simultaneously, first conducting block 14 contacts with second conducting block 13 simultaneously and makes fan 7 open, dispel the heat to antenna unit 2, make antenna unit 2 can cool down, prevent that the high temperature from making antenna unit 2 damage.

In colder weather, press mounting panel 4 and can make in antenna element 2 slowly withdraws casing 1, mounting panel 4 removes to drive and filters ventilative frame 3 downstream, and then make the inner wall extrusion left side right-angle block 11 of draw-in groove 18 make its removal, the emergence elastic deformation of the spacing spring 12 in left side, when antenna element 2 gets into casing 1 completely, make two right-angle blocks 11 be close to each other under two spacing spring 12's reaction force, thereby with the inside of mounting panel 4 spacing at casing 1, thereby make the air and the external world of the inside of casing 1 cut off, thereby avoid external cold air to get into casing 1 inside influence antenna element 2 and carry out work.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high stationary phase multimode navigation antenna, includes casing (1), be equipped with antenna element (2) in casing (1), its characterized in that: slidable mounting has filtration ventilative frame (3) in casing (1), fixed mounting has same mounting panel (4) on the inner wall of filtration ventilative frame (3), the bottom side fixed mounting of mounting panel (4) has two erection columns (5), the bottom fixed mounting of two erection columns (5) is on the top side of antenna unit (2), equal fixed mounting has spliced pole (6) on the both sides inner wall of filtration ventilative frame (3), the one end fixed mounting that two spliced poles (6) are close to each other has same fan (7), fan (7) and the corresponding setting in position of antenna unit (2).

2. The multimode navigation antenna with high phase stability of claim 1, wherein: the equal fixed mounting in both sides of casing (1) has fixed block (8), and Z type hole (9) have all been seted up to one side that two fixed blocks (8) are close to each other, and equal slidable mounting has Z type pole (10) in two Z type holes (9), and the both ends of Z type pole (10) all extend to outside Z type hole (9).

3. The multimode navigation antenna with high phase stability of claim 2, wherein: one side of each Z-shaped rod (10) far away from each other is fixedly provided with a limiting spring (12), and one end of each limiting spring (12) far away from each other is fixedly arranged on the inner wall of one side of each Z-shaped hole (9).

4. The multimode navigation antenna with high phase stability of claim 2, wherein: one side fixed mounting of one of them Z type pole (10) has first conducting block (14), one side of first conducting block (14) is equipped with second conducting block (13) of fixed mounting on Z type hole (9) one side inner wall, second conducting block (13) and first conducting block (14) looks adaptation, the below of fixed block (8) is equipped with battery (15) of fixed mounting on casing (1) one side, second conducting block (13), first conducting block (14), battery (15) and fan (7) be electric connection in proper order.

5. The multimode navigation antenna with high phase stability of claim 2, wherein: equal fixed mounting in one side that two Z type poles (10) are close to each other has right angle piece (11), the bottom side of two right angle pieces (11) all with filter ventilative frame (3), the top side of mounting panel (4) and casing (1) contacts, the horizontal distance of right angle piece (11) and filter ventilative frame (3) and mounting panel (4) contact surface equals the horizontal distance between second conducting block (13) and first conducting block (14), draw-in groove (18) have been seted up to one side that battery (15) were kept away from in filtration ventilative frame (3), draw-in groove (18) and the corresponding setting in position of the right angle piece (11) of keeping away from battery (15).

6. The multimode navigation antenna with high phase stability of claim 1, wherein: all fixed mounting have reset spring (16) around the position of casing (1) bottom side inner wall, the top of four reset spring (16) is fixed mounting respectively on the bottom side of mounting panel (4).

7. The multimode navigation antenna with high phase stability of claim 1, wherein: and a buffering anti-skid pad (17) is fixedly arranged at the bottom side of the shell (1).