CN214203938U - Satellite navigation antenna assembly for testing - Google Patents

Abstract

The utility model provides a test is with satellite navigation antenna module, includes T shape support and satellite navigation antenna, is equipped with an antenna mount pad in the vertical portion of T shape support, and satellite navigation antenna sets up in the antenna mount pad, is connected with the strap between two wings of T shape support. The vertical portion and the two wings of the T-shaped support are of frame structures, the antenna mounting seat is box-shaped and is fixedly mounted with the vertical portion of the T-shaped support, a concave cavity is arranged on one side, away from the T-shaped support, of the antenna mounting seat, and the satellite navigation antenna is arranged in the cavity. Because when the test was used, the utility model discloses can attach on the surface of product, can effectively save space, consequently can test the use under the limited condition in spaces such as proof box. The wave-absorbing plate adhered to the shielding base and the antenna mounting base can be tightly attached to a receiving window of a missile product, and the mutual influence of clutter signals and test signals in a test environment is reduced.

Description

Satellite navigation antenna assembly for testing

Technical Field

The utility model relates to an antenna preparation technical field especially relates to a test is with satellite navigation antenna subassembly.

Background

In the prior art, when an antenna is required to be used for testing the satellite navigation function of a missile product, the antenna is usually suspended above the missile product by using a tripod, and then the antenna is adjusted to a proper height and angle by combining the tripod to test the missile product. Because the existing testing process needs a tripod for assistance, the prior preparation work is needed; in addition, the product receiving antenna is easy to be interfered by clutter signals when transmitting a signal test; in addition, in the prior art, the antenna for testing needs to be suspended at a high position, so that the antenna is inconvenient to test and position with missile products, and is not suitable for test scenes with limited space, such as test boxes and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a test is with satellite navigation antenna subassembly.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a satellite navigation antenna assembly for testing comprises a T-shaped support and a satellite navigation antenna, wherein an antenna mounting seat is arranged at the vertical part of the T-shaped support, the satellite navigation antenna is arranged in the antenna mounting seat, and a strap for fixing the T-shaped support on the surface of a missile is connected between two cross wings of the T-shaped support.

Further, the vertical portion and two wings of T shape support are frame construction, and two wings are the same angle with vertical portion and set up towards vertical portion homonymy slope, the antenna mount pad be the box-type and pass through screw fixed mounting with the vertical portion of T shape support, one side that the T shape support was kept away from to the antenna mount pad is equipped with a sunken cavity, satellite navigation antenna sets up in the cavity.

Furthermore, an antenna connecting seat is arranged in the cavity and comprises an antenna connecting plate fixedly connected with an antenna mounting seat, an antenna placing chamber is formed on the antenna connecting plate in an enclosing mode through four vertical plates, the satellite navigation antenna is arranged in the antenna placing chamber, adhesive is filled and sealed between the satellite navigation antenna and the antenna placing chamber, a notch for leading out a radio frequency line from the antenna is formed in one of the vertical plates, and a strip-shaped groove for placing the radio frequency line is correspondingly formed in the antenna mounting seat.

Furthermore, a shielding seat is arranged on one side of the vertical part of the T-shaped support close to the tail end of the vertical part and one side of the T-shaped support, which is located on the antenna mounting seat, wave-absorbing rubber plates are adhered to the surface of the shielding seat, the surface of the antenna mounting seat and the side wall of the cavity, the surfaces of the wave-absorbing rubber plates on the surface of the shielding seat and the surface of the antenna mounting seat are parts of the same arc-shaped surface, and the same arc-shaped surface can be attached to the surface of a measured object.

Furthermore, one side of the antenna mounting seat, which is provided with the cavity, is in a groove shape with the bottom being an arc surface, one part of the wave-absorbing rubber plate arranged at the position in the thickness direction is arranged in the groove, and the other part of the wave-absorbing rubber plate is exposed out of the groove.

Further, be equipped with positioner on the upper portion of T shape support, positioner include two fixed blocks with T shape support fixed connection, two fixed block intervals set up, extend towards the other side respectively in two relative one sides of fixed block and be equipped with a damping pivot, be equipped with a locating plate with two damping pivot fixed connection, be equipped with a radius and be greater than the radial 90 arc constant head tank in shaft hole with the tip in the shaft hole of damping pivot cooperation installation on the fixed block, 90 arc constant head tank and shaft hole are concentric, are equipped with the location arch of installing with 90 arc constant head tank cooperation on the locating plate, and the locating plate is through pivot mounting hole and damping pivot cooperation installation and through fastening screw and damping pivot fixed connection.

Furthermore, a cover plate is arranged at the position except the position where the antenna mounting seat and the shielding seat are arranged on one side of the T-shaped support where the antenna mounting seat is arranged.

Furthermore, an N/SMA adapter used as a satellite signal input interface is arranged on the side wall of the vertical part of the T-shaped bracket near the tail end.

Furthermore, one end of the strap is fixed at one wing end of the T-shaped support through the pressing plate, and the other end of the strap is connected with the other wing end of the T-shaped support through the lock catch.

Furthermore, a groove part for holding is arranged on the T-shaped support.

Has the advantages that:

the utility model discloses the structure adopts trapezoidal support, and is light and handy simple, and the operation is swift, and the reliability is high, can improve efficiency of software testing widely.

Because when the test was used, the utility model discloses can attach on the surface of guided missile class product, not only be convenient for at guided missile class product surface location, can effectively save space moreover, consequently can test under the limited condition in spaces such as proof box and use. The wave-absorbing rubber plate adhered to the shielding seat and the antenna mounting seat can be tightly attached to a receiving window of a missile product, so that the mutual influence of clutter signals and test signals in a test environment is reduced, and the electromagnetic compatibility is higher.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a rotated view of fig. 1.

Fig. 3 is a schematic structural diagram of an antenna mounting base.

Fig. 4 is an exploded view of the antenna mount.

Fig. 5 is a schematic view of an antenna connection base.

Fig. 6 is a schematic structural view of the shield seat.

Fig. 7 is a schematic structural diagram of the positioning device.

Fig. 8 is an exploded view of the positioning device.

The labels in the figure are: 1. t-shaped support, 101, the vertical portion of T-shaped support, 101a, the concave part, 102, the horizontal wing, 2, positioner, 201, the fixed block, 201a, the apron mounting hole, 202, the damping pivot, 203, the locating plate, 203a, the pivot mounting hole, 3, the shielding seat, 4, the apron, 401, the breach, 5, the antenna mount pad, 501, the cavity, 502, the lug, 503, the recess, 504, the bar groove, 6, N/SMA adapter seat, 7, satellite navigation antenna, 8, the clamp plate, 9, the strap, 10, the hasp, 11, inhale ripples rubber slab, 12, the antenna connecting seat, 1201, the antenna connecting plate, 1202, riser, 1203, the antenna settling chamber, 13, the radio frequency line.

Detailed Description

The following detailed description of the present invention is provided with reference to the accompanying drawings and examples, but not to be construed as limiting the present invention in any way.

As shown in fig. 1-2, the satellite navigation antenna assembly for the test comprises a T-shaped support 1 and a satellite navigation antenna 7, wherein an antenna mounting seat 5 is arranged on a vertical part 101 of the T-shaped support, the satellite navigation antenna 7 is arranged in the antenna mounting seat 5, and a strap 9 for fixing the T-shaped support on the surface of a missile is connected between two wings 102 of the T-shaped support. One end of the strap 9 is fixed at one cross wing end of the T-shaped support through the pressing plate 8 by using a screw, the other end of the strap 9 is connected with the other cross wing end of the T-shaped support through the lock catch 10, the lock catch structure can adopt the prior art, for example, a metal lock catch locked by passing a dead point can be adopted, the locking is reliable, certain pre-tightening force is provided, the antenna assembly can be tightly attached to a test product (for example, a missile), and leakage is reduced. The strap is made of a non-metal material with good temperature stability, and can adapt to long-time use under high and low temperature test conditions without aging. The setting of strap 9 can be realized the utility model discloses and the quick installation between the product that awaits measuring is fixed.

In this embodiment, the vertical portion 101 and the two wings 102 of the T-shaped bracket are both rectangular frame structures, and the two wings 102 and the vertical portion are inclined at the same angle toward the same side of the vertical portion 101.

The vertical part 101 and the two wings 102 of the T-shaped bracket may be formed by welding metal plates or profiles, for example, by welding an angle of a square profile inwards to form a rectangular frame, or by welding metal plates to form a rectangular box-shaped frame structure. The antenna mounting base 5 is box-shaped, as shown in fig. 3. The antenna mounting seat 5 is fixedly mounted with the vertical part 101 of the T-shaped support through screw mounting holes 502a arranged on the four lugs 502 through screws, a concave cavity 501 is arranged on one side, away from the T-shaped support, of the antenna mounting seat 5, and the satellite navigation antenna 7 is arranged in the cavity 501.

Preferably, an antenna connecting base 12 is disposed in the cavity 501, the antenna connecting base 12 includes an antenna connecting plate 1201 fixedly connected to the antenna mounting base 5, an antenna placing chamber 1203 is defined on the antenna connecting plate 1201 by four vertical plates 1202, the satellite navigation antenna 7 is disposed in the antenna placing chamber 1203, an adhesive is filled between the satellite navigation antenna 7 and the antenna placing chamber 1203 to adhere the satellite navigation antenna 7 and the antenna mounting chamber together, a notch for extending a radio frequency line 13 led out from the antenna is disposed on one of the vertical plates 1202 and a corresponding position of the antenna connecting plate 1201, and a strip-shaped groove 504 for placing the radio frequency line is correspondingly disposed on the antenna mounting base 5.

The antenna connection base 12 (which may also be referred to as a filling base because it is connected to the antenna by adhesive filling) is made of a non-metallic material.

The position that is close to the tail end at vertical portion 101 of T shape support and two wings 102 of T shape support are located one side of installation antenna mount pad 5 and all are provided with shielding seat 3, all paste on shielding seat 3 surface and antenna mount pad 5 surface and the cavity 501 lateral wall and inhale ripples rubber slab 11, and the ripples rubber slab surface homonymy of shielding seat surface and antenna mount pad surface is partly of same arcwall face, and same arcwall face can laminate mutually with the measured object surface. In this embodiment, the arc-shaped surface matches with the surface arc of the missile to be tested, and can be attached to the surface of the missile.

The shielding seat 3 can be made of common metal materials, plays a role in shielding related signals after the wave-absorbing rubber plate 11 is adhered to the surface, and is in flexible contact with the surface of the missile, so that the missile is prevented from being scratched.

One side of the antenna mounting seat 5, which is provided with the cavity, is in a groove shape with a cambered surface at the bottom, one part of the wave-absorbing rubber plate arranged at the position in the thickness direction is arranged in the groove 503, and the other part is exposed out of the groove. The same structure can be adopted on one side of the wave-absorbing rubber plate 11 adhered to the shielding seat.

The side wall of the T-shaped bracket is provided with a groove part 101a which is convenient for holding by hand, and the groove part 101a can be formed by adopting a mode that the metal plate is folded inwards.

As shown in fig. 1, 2 and 5, a positioning device 2 is arranged on the upper portion of the T-shaped support 1, the positioning device 2 includes two fixing blocks 201 fixedly connected with the vertical portion 101 of the T-shaped support, the two fixing blocks 201 are arranged at intervals, one sides of the two fixing blocks 201 opposite to each other extend towards each other to form a damping rotating shaft 202, a positioning plate 203 is connected with the two damping rotating shafts 202, and the positioning plate 203 rotates around the damping rotating shafts by 90 degrees to a working position and is consistent with the length direction of the vertical portion 101 of the T-shaped support.

Specifically, a 90 ° arc-shaped positioning groove 201b having a radius larger than that of the shaft hole is provided at the end of the shaft hole, which is fitted to the damping rotating shaft 202, of the fixing block 201. The 90-degree arc-shaped positioning groove positioning protrusion 203b is concentric with the shaft hole, and the positioning protrusion 203b which is matched with the 90-degree arc-shaped positioning groove 201b is arranged on the positioning plate 203. The positioning plate 203 is fittingly installed with the damping rotation shaft 202 through the rotation shaft installation hole 203a and fixedly connected with the damping rotation shaft 202 through the fastening screw 14. The matching structure of the 90-degree arc-shaped positioning groove 201b and the positioning protrusion 203b enables the positioning plate 203 to realize the positioning in the vertical direction (the vertical direction of the vertical part of the T-shaped support 1) and the horizontal direction (the position which is parallel to the top end of the T-shaped support 1).

A cover plate 4 is arranged at the position except the position where the antenna mounting seat 5 and the shielding seat 4 are arranged on one side of the T-shaped support 1 where the antenna mounting seat 5 is arranged. The cover plate 4 is fixed and connected by screws through the cover plate mounting holes 201a arranged on the fixing blocks 201, and a notch 401 convenient for operating the positioning plate 203 is arranged on the cover plate 4 corresponding to the retraction position of the positioning plate, which is positioned at the upper part of the vertical part 101 of the T-shaped bracket and corresponds to the positioning device.

An N/SMA adapter 6 used as a satellite signal input interface is arranged on the side wall of the vertical part 101 of the T-shaped bracket near the tail end.

In order to better fit with the product to be tested, the vertical part 101 and the two wings of the T-shaped bracket are made into an arc shape which is consistent with the surface of the product.

The utility model discloses when using, antenna mount pad 5 closely laminates with the receiving window of 3 surperficial ripples rubber slab 11 and guided missile products of inhaling of shielding seat, not only can reduce clutter to the influence of test on every side, also can reduce the radiation influence of satellite navigation antenna 7 to the surrounding space simultaneously.

When locating plate 203 among positioner 2 and the installation of guided missile product, screw out from T shape support 1 earlier, personally submit 90 degrees with T shape support 1 top, the locating plate top is bumped and is touched the setting and realize axial positioning at the axial positioning benchmark on the test object, and the positive position of locating plate is carved with vertical straight groove, can align with the circumference location benchmark central line that the guided missile upper surface set up, realizes the utility model discloses at the surperficial (circumference) angular positioning of guided missile. Accomplish guided missile function test and take off from the guided missile product the utility model discloses, withdraw after rotatory 90 degrees with locating plate 203 and flush with the top of T shape support. Do not influence the utility model discloses an accomodate and place.

The utility model discloses the structure is light and handy simple, and the operation is swift, and the reliability is high, can improve efficiency of software testing widely. Because when the test was used, the utility model discloses can attach on the surface of guided missile product, consequently can effectively save space, consequently can test the use under the limited condition in spaces such as proof box. The wave-absorbing rubber plate 11 adhered to the shielding base 3 and the antenna mounting base 5 can be tightly attached to a receiving window of a missile product, so that the mutual influence of clutter signals and test signals in a test environment is reduced, and higher electromagnetic compatibility is achieved.

The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and it should be understood by those of ordinary skill in the art that the embodiments of the present invention can be modified or replaced with equivalents with reference to the above embodiments, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention are all within the scope of the claims of the present application.

Claims (10)

1. A test satellite navigation antenna assembly, comprising: the missile antenna fixing device comprises a T-shaped support (1) and a satellite navigation antenna (7), wherein an antenna mounting seat (5) is arranged at a vertical part (101) of the T-shaped support, the satellite navigation antenna (7) is arranged in the antenna mounting seat (5), and a strap (9) for fixing the T-shaped support on the surface of a missile is connected between two cross wings of the T-shaped support.

2. The test satellite navigation antenna assembly of claim 1, wherein: vertical portion (101) and two wings (102) of T shape support are frame construction, and two wings (102) are the same angle with vertical portion and set up towards vertical portion (101) homonymy slope, antenna mount pad (5) be the box-type and pass through screw fixed mounting with vertical portion (101) of T shape support, one side that T shape support was kept away from in antenna mount pad (5) is equipped with a sunken cavity (501), satellite navigation antenna (7) set up in cavity (501).

3. The test satellite navigation antenna assembly of claim 2, wherein: be equipped with an antenna connecting seat (12) in cavity (501), antenna connecting seat (12) including one be used for with antenna mount pad (5) fixed connection's antenna connecting plate (1201), it has an antenna to lay room (1203) to enclose through four riser (1202) on antenna connecting plate (1201), satellite navigation antenna (7) set up in antenna laying room (1203), the embedment has the adhesive between satellite navigation antenna (7) and antenna laying room (1203), be provided with the breach that supplies to stretch out from radio frequency line (13) that the antenna was drawn forth on one of them riser (1202), it supplies strip-shaped groove (504) that the radio frequency line was placed to correspond to be equipped with on antenna mount pad (5).

4. The test satellite navigation antenna assembly of claim 2, wherein: the antenna structure is characterized in that a shielding seat (3) is arranged on one side of the vertical part of the T-shaped support close to the tail end of the vertical part and one side of two cross wings (102) of the T-shaped support located on an antenna mounting seat, wave-absorbing rubber plates (11) are adhered to the surface of the shielding seat (3), the surface of the antenna mounting seat (5) and the side wall of the cavity (501), the surfaces of the wave-absorbing rubber plates on the surface of the shielding seat and the surface of the antenna mounting seat are parts of the same arc-shaped surface, and the same arc-shaped surface can be attached to the surface of a measured object.

5. The test satellite navigation antenna assembly of claim 3, wherein: one side of the antenna mounting seat (5) provided with the cavity is in a groove shape with the bottom being a cambered surface, one part of the wave-absorbing rubber plate arranged at the position in the thickness direction is arranged in the groove, and the other part of the wave-absorbing rubber plate is exposed out of the groove.

6. The test satellite navigation antenna assembly of claim 3, wherein: the upper part of the T-shaped bracket is provided with a positioning device (2), the positioning device (2) comprises two fixing blocks (201) fixedly connected with the T-shaped bracket, the two fixing blocks are arranged at intervals, one side of the two fixed blocks opposite to each other is respectively provided with a damping rotating shaft (202) extending towards each other, a positioning plate (203) is fixedly connected with the two damping rotating shafts, a 90-degree arc positioning groove (201 b) with the radius larger than that of the shaft hole is arranged at the end part of the shaft hole which is arranged on the fixing block and matched with the damping rotating shafts, the 90-degree arc positioning groove is concentric with the shaft hole, the positioning plate (203) is provided with a positioning bulge (203 b) which is matched and installed with the 90-degree arc-shaped positioning groove (201 b), and the positioning plate (203) is matched and installed with the damping rotating shaft (202) through a rotating shaft installation hole (203 a) and is fixedly connected with the damping rotating shaft (202) through a fastening screw (14).

7. The test satellite navigation antenna assembly of claim 4, wherein: a cover plate (4) is arranged at one side of the T-shaped support (1) where the antenna mounting seat (5) is arranged, except the positions where the antenna mounting seat (5) and the shielding seat (3) are arranged.

8. The test satellite navigation antenna assembly of claim 3, wherein: an N/SMA adapter (6) used as a satellite signal input interface is arranged on the side wall of the vertical part (101) of the T-shaped bracket and close to the tail end.

9. The test satellite navigation antenna assembly of claim 1, wherein: one end of the strap (9) is fixed at one wing end of the T-shaped support through the pressing plate (8), and the other end of the strap (9) is connected with the other wing end of the T-shaped support through a lock catch.

10. The test satellite navigation antenna assembly of claim 1, wherein: the T-shaped bracket is provided with a groove part (101 a) for holding.

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