Slot waveguide array antenna attached to outer side of elastic wall

Abstract

The utility model discloses a slot waveguide array antenna attached to the outer side of an elastic wall. The slot waveguide array antenna comprises a protection base embedded in the elastic wall and an antenna substrate attached to the outer side of the elastic wall. The bottom of the antenna substrate is welded with a connecting socket, the connecting socket is inserted into the protection base, one side of the upper surface of the antenna substrate is provided with an inclined chamfer, and the upper surface of the antenna substrate is provided with slot guided waves. The utility model provides a detection antenna which is suitable for being used on a missile, can save the space of the whole missile, is high in performance and narrow in radiation pattern of a pitching surface, and in order to improve the available design space of the antenna, reduce the design difficulty and save the space of the whole missile, a transmitting-receiving antenna which is conventionally arranged on the inner side of the missile wall and is conformal with the missile wall is improved into a transmitting-receiving antenna which is attached to the outer side of the missile wall. The available design space of the antenna is increased to a great extent by arranging the antenna on the outer side of the missile wall, so that the design difficulty is reduced, the antenna performance is improved, and the whole missile space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to antenna use technical field, concretely is a kind of slit waveguide array antenna pasted to the outer side of shell. BACKGROUND

[0002] Wireless radio fuze detector is widely applied to grenade, forced bomb, navigation bomb, rocket bomb and other various bomb-carrying platforms, and mainly functions to measure the relative distance of bomb body and target at trajectory end, to ensure that bomb explodes at the best initiation point, to generate maximum lethality. The electromagnetic wave signal used when detecting relative position needs to be received and transmitted by antenna.

[0003] Usually, such antenna is conformed to shell to keep the whole bomb in good aerodynamic shape, but the space available for antenna is very limited due to the conformity to shell, and the design is difficult. Meanwhile, the conformal antenna will occupy the space size of the whole bomb.

[0004] In order to reduce the difficulty of antenna design and improve the available space for antenna design, a conventional method is to design an antenna pasted to the outer side of shell. For such antenna, the common one is microstrip series feed array antenna, but the radiation beam of the antenna in the elevation plane is wide, which leads to the dispersion of the starting point of detected target. In order to solve this problem and improve the consistency of the starting point of detected target, a slit waveguide array antenna pasted to the outer side of shell is needed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a slit waveguide array antenna pasted to the outer side of shell, which improves the available design area of antenna on missile, solves the shortcoming of wide radiation pattern in the elevation plane of conventional microstrip series feed array, and solves the technical problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a slit waveguide array antenna pasted to the outer side of shell, comprising a protective base embedded in shell and an antenna substrate installed on the outer side of shell.

[0007] A plurality of groups of anti-skid plugs are symmetrically installed inside the protective base, and a connecting jack is arranged between the two anti-skid plugs.

[0008] A connecting socket is welded and installed at the bottom of the antenna substrate, and the connecting socket is inserted into the protective base. An inclined chamfer is arranged on one side of the upper surface of the antenna substrate, and a slit waveguide is arranged on the upper surface of the antenna substrate.

[0009] Preferably, an antenna seat is arranged on the outer surface of the shell, a connecting substrate is welded and installed inside the antenna seat, and two groups of butt jacks are symmetrically arranged inside the antenna seat.

[0010] Preferably, the elastic wall surface is symmetrically welded with the positioning seat on both sides of the antenna seat, and welding holes are formed in the positioning seat.

[0011] Preferably, the protection base is welded and installed in the inner wall of the antenna seat, and positioning through holes are formed in the protection base corresponding to the positions of the plug-in holes.

[0012] Preferably, positioning protrusions are welded on the outer side of the protection base corresponding to the positions of the anti-skid plug-in plates, two groups of plug-in seats are symmetrically welded and installed in the protection base, the surfaces of each group of the plug-in seats are inclined surfaces, and a plurality of plug-in holes are formed in the surfaces of each group of the plug-in seats.

[0013] Preferably, circuit pins are arranged at the bottom of the connecting socket, the circuit pins are connected with the connecting base plate through the connecting plug-in holes, the connecting socket is provided with a plug-in groove corresponding to the position of the anti-skid plug-in plate, and two groups of circuit pins are symmetrically arranged on both sides of the connecting socket.

[0014] Preferably, the positioning protrusions are tightly installed with the connecting socket, and the anti-skid plug-in plates are welded and installed in the plug-in groove.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model provides a high performance probe antenna which can save the whole missile space and is suitable for use on a missile, and the radiation pattern of the probe antenna is narrow in the pitch plane, in order to improve the available design space of the antenna, reduce the design difficulty and save the whole missile space, the receiving and transmitting antenna which is normally arranged in the missile wall and is conformal with the missile wall is improved to be arranged on the outer side of the missile wall, the available design space of the antenna is greatly increased by arranging the antenna on the outer side of the missile wall, and then the design difficulty is reduced, the performance of the antenna is improved, the whole missile space is saved, the good aerodynamic shape of the whole missile is maintained through the structure design of the front chamfer of the antenna base plate, in order to solve the defect that the radiation pattern of the conventional microstrip series feed array antenna is wide, the microstrip series feed array is changed into the form of slot waveguide, so as to reduce the width of the radiation pattern of the antenna, effectively improve the available design area of the antenna on the missile, reduce the design difficulty, improve the performance of the antenna, save the whole missile space, and solve the defect that the radiation pattern of the conventional microstrip series feed array in the pitch plane is wide. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a split schematic diagram of the antenna base plate installation structure of the utility model;

[0019] Figure 3 It is a split schematic diagram of the protection base installation structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the bottom structure of the antenna substrate of this utility model;

[0021] Figure 5 This is an enlarged schematic diagram of the structure at point A of this utility model.

[0022] In the diagram: 1. Spring wall; 2. Antenna mount; 3. Connecting substrate; 4. Docking socket; 5. Positioning seat; 6. Welding hole; 7. Protective base; 8. Anti-slip plate; 9. Connecting socket; 10. Positioning through hole; 11. Positioning protrusion; 12. Plug; 13. Socket; 14. Antenna substrate; 15. Connecting socket; 16. Circuit pin; 17. Slot; 18. Positioning socket; 19. Slot waveguide. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This utility model provides: a slotted waveguide array antenna attached to the outer side of a projectile wall, such as... Figures 1-5 As shown, it includes a protective base 7 embedded in the bullet wall 1 and an antenna substrate 14 mounted on the outside of the bullet wall 1. The protective base 7 is used to limit the antenna substrate 14 so that the antenna substrate 14 can be used to fit the surface of the bullet wall 1.

[0025] Several sets of anti-slip plates 8 are symmetrically installed on both sides inside the protective base 7. A connection hole 9 is opened between the two anti-slip plates 8 inside the protective base 7. The anti-slip plates 8 installed inside the protective base 7 and the connection hole 9 opened between the two sets of anti-slip plates 8 are all for limiting the connection socket 15, thereby better ensuring the overall fit between the antenna substrate 14 and the spring wall 1 and the stability of use.

[0026] A connector 15 is welded to the bottom of the antenna substrate 14. The connector 15 is inserted into the protective base 7. A chamfer is provided on one side of the upper surface of the antenna substrate 14. A slit waveguide 19 is provided on the upper surface of the antenna substrate 14. The connector 15 is inserted into the protective base 7 to reduce the overall protrusion of the antenna substrate 14. The chamfer on one side of the antenna substrate 14 can better maintain a good overall aerodynamic shape.

[0027] Preferably, the outer surface of the bullet wall 1 is provided with an antenna seat 2, the inside of the antenna seat 2 is welded with a connecting base plate 3, two groups of butt-in jacks 4 are symmetrically provided in the inside of the antenna seat 2, the antenna seat 2 provided on the outer surface of the bullet wall 1 limits the protection base 7, part of the antenna base plate 14 can be sunk in the inside of the antenna seat 2, the protrusion of the antenna base plate 14 is reduced, the connecting base plate 3 installed in the inside of the antenna seat 2 can be connected with the circuit pin 16 at the bottom of the connecting socket 15, the signal output is more stable, the butt-in jack 4 cooperates with the circuit pin 16 to keep the stability of the use of the antenna base plate 14, and the antenna base plate 14 keeps the power-on state to introduce the control signal.

[0028] Preferably, the surface of the bullet wall 1 is symmetrically welded with a positioning seat 5 on both sides of the antenna seat 2, a welding hole 6 is provided in the inside of each group of positioning seats 5, the positioning seat 5 is provided to limit the antenna base plate 14, and the welding hole 6 provided in the inside of the positioning seat 5 can be used for welding operation, so that the antenna base plate 14 is more closely connected with the positioning seat 5, the stability of the use of the antenna base plate 14 is further improved, and the separation of the antenna base plate 14 in the use process is avoided.

[0029] Preferably, the protection base 7 is welded and installed in close contact with the inner wall of the antenna seat 2, a positioning through hole 10 is provided in the protection base 7 at positions corresponding to the butt-in jacks 4 on both sides, the protection base 7 is welded in the inside of the antenna seat 2, a connecting jack 9 is provided in the middle of the protection base 7 to determine the connectivity of the antenna base plate 14 and the bullet wall 1, and the positioning through hole 10 enables the circuit pin 16 to be inserted into the inside of the butt-in jack 4, and the cooperation use of the antenna base plate 14 is completed.

[0030] Preferably, a positioning protrusion 11 is welded on the outside of the protection base 7 at a position corresponding to the installation position of the anti-skid plug plate 8, two groups of plug-in seats 12 are symmetrically welded and installed in the inside of the protection base 7, the surface of each group of plug-in seats 12 is an inclined surface, and a plurality of groups of plug holes 13 are provided on the surface of each group of plug-in seats 12, the positioning protrusion 11 abuts against the inner wall of the protection base 7, so that the stability of the installation of the protection base 7 can be better guaranteed, and the plug-in seat 12 provided in the inside of the protection base 7 can further abut against the connecting socket 15 after the connecting socket 15 is inserted, so as to guarantee that the insertion slot 17 at the bottom of the connecting socket 15 is plug-in installed with the anti-skid plug plate 8.

[0031] Preferably, the circuit pin 16 is provided at the bottom of the connecting socket 15, the circuit pin 16 is connected with the connecting base plate 3 through the connecting jack 9, the insertion slot 17 is provided in the connecting socket 15 at a position corresponding to the anti-skid plug plate 8, two groups of circuit pins 16 are symmetrically installed on both sides of the connecting socket 15, the circuit pin 16 at the bottom of the connecting socket 15 is plug-in connected with the connecting base plate 3, so that the electric signal of the antenna base plate 14 can be stably transmitted to control the movement of the missile, and the insertion slot 17 is plug-in connected with the anti-skid plug plate 8 to improve the stability of the connection of the connecting socket 15.

[0032] Preferably, the positioning protrusion 11 is mounted against the connecting socket 15, the anti-skid plugboard 8 is welded and mounted into the slot 17, and the positioning protrusion 11 is welded and mounted.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A slotted waveguide array antenna attached to the outer side of a flexible wall, characterized by: It includes the protection base (7) installed in the embedded elastic wall (1) and the antenna substrate (14) installed on the outside of the elastic wall (1). A plurality of groups of anti-skid plug-in plates (8) are symmetrically installed inside the protection base (7), and a connecting jack (9) is arranged between the two anti-skid plug-in plates (8) inside the protection base (7). The bottom of the antenna substrate (14) is welded with a connecting socket (15), the connecting socket (15) is inserted into the protection base (7), an inclined chamfer is arranged on one side of the upper surface of the antenna substrate (14), and a gap waveguide (19) is arranged on the upper surface of the antenna substrate (14).

2. The slotted waveguide array antenna according to claim 1, wherein: An antenna seat (2) is arranged on the outer surface of the elastic wall (1), a connecting substrate (3) is welded inside the antenna seat (2), and two groups of butt jacks (4) are symmetrically arranged inside the antenna seat (2).

3. The slotted waveguide array antenna according to claim 2, wherein: Positioning seats (5) are symmetrically welded on both sides of the antenna seat (2) on the surface of the elastic wall (1), and a welding hole (6) is arranged inside each positioning seat (5).

4. The slotted waveguide array antenna according to claim 3, wherein: The protection base (7) is welded to the inner wall of the antenna seat (2), and positioning through holes (10) are arranged on both sides of the protection base (7) corresponding to the positions of the butt jacks (4).

5. The slotted waveguide array antenna according to claim 4, wherein: Positioning bosses (11) are welded on the outer side of the protection base (7) corresponding to the positions of the anti-skid plug-in plates (8), two groups of plug-in seats (12) are symmetrically welded inside the protection base (7), the surface of each plug-in seat (12) is an inclined surface, and a plurality of groups of plug-in holes (13) are arranged on the surface of each plug-in seat (12).

6. The slotted waveguide array antenna according to claim 5, wherein: The bottom of the connecting socket (15) is provided with a circuit pin (16), the circuit pin (16) passes through the connecting jack (9) and is connected with the connecting substrate (3), the connecting socket (15) is provided with a slot (17) corresponding to the position of the anti-skid plug-in plate (8), and two groups of circuit pins (16) are symmetrically arranged on both sides of the connecting socket (15).

7. The slotted waveguide array antenna according to claim 6, wherein: The positioning boss (11) is tightly installed with the connecting socket (15), and the anti-skid plug-in plate (8) is welded and installed in the slot (17).

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