CN1471194A - Folding Direction Finding Communication Line Antenna Device - Google Patents

Abstract

The invention discloses a foldable direction-finding communication line antenna device, which relates to an antenna with a foldable structure in the field of direction-finding antennas and communication antennas. It consists of a multi-layer folded unit antenna array, each layer is composed of multiple folded unit line antennas, and each folded unit line antenna is composed of a folded cross arm, a folded oscillator, a positioning piece, a sleeve, and a central pole, a base, a connection Composed of rods, shafts and other components. It adopts multi-layer folding vibrator and sleeve to achieve rapid contraction or expansion of the vibrator, and adopts multi-layer folding cross arm and positioning parts to achieve rapid contraction or expansion of the cross arm. And the utility model also has the characteristics of accurate antenna positioning, high precision, convenient operation and processing, light weight, small shrinkage size, etc., and is especially suitable for antenna devices such as vehicle-mounted and mobile stations for communication countermeasures, radio direction finding, and radio monitoring.

Description

Folding Direction Finding Communication Line Antenna Device

technical field

The invention relates to a foldable direction-finding communication line antenna device in the field of communication antennas and direction-finding antennas, and is particularly suitable for a foldable structural line antenna device with high mobility and fast erection and withdrawal for vehicles and mobile stations.

Background technique

At present, there are the following structural forms in the structural field of foldable antennas at home and abroad, but there are some shortcomings in performance.

The existing domestic vehicle-mounted antennas, such as the direction-finding antennas and communication antennas produced by the former Ministry of Electronics No. 54, have poor mobility and need to be fixed with screws every time they are erected or withdrawn, which is cumbersome to use.

In similar foreign products, such as the direction-finding antenna produced by WJ Company in the United States, the upper and lower vibrators cannot be folded when shrinking, so the shrinkage volume increases significantly, and there is no positioning device, which is not conducive to transportation and storage.

In addition, no matter whether it is domestic or foreign antennas, some accessories are needed when they are stored, and they need to be reinstalled every time they are erected. Some also need special tools, so the operability is poor.

Contents of the invention

The object of the present invention is to avoid the disadvantages of the above-mentioned background technology and provide a foldable direction-finding communication line antenna device that can be folded, has no accessories, and can be erected quickly and conveniently. Moreover, the invention also has the characteristics of high antenna precision, accurate and reliable positioning of each movable part, small shrinkage size of the antenna, convenient operation and processing, light weight, etc., and is suitable for various communication equipment as a folding antenna device.

The purpose of the present invention is achieved like this: the present invention it comprises central rod 1, connecting rod 2, 1 to 5 bases 3-1 to 3-5, shaft rod 4, 1 to 5 layers of folding element antenna arrays, each layer of folding The element antenna array is composed of 2 to 10 folded element line antennas, of which 1 to 5 layers of folded element antenna arrays are installed on 1 to 5 bases 3-1 to 3-5 through the shaft 4 folding activities, and 1 to 5 bases 3-1 to 3-5 Each base is processed with a disc base structure, 2 to 10 U-shaped groove structures and hook groove structures are processed on the circumference, and are fixed on the center pole 1 sequentially from top to bottom, and the unit antenna is folded on each layer The 2 to 10 folded element line antennas of the array are respectively installed on the 2 to 10 U-shaped groove structures of the base 3 on each layer with the folding structure of the shaft rod 4, and the lower end of the central rod 1 is inserted into the upper end of the connecting rod 2 for fastening. The piece is fixed.

Each folded element line antenna of the present invention has 2 to 10 folded element line antennas in each layer of the folded element antenna array, including a feed box 5, a folded vibrator 6, a sleeve 7, a folded cross arm 8, positioning parts 9, 10, 11, The fixing part 12, wherein the fixing part 12 is processed with an overall disc-shaped structure, and 2 to 10 hook groove structures are processed on the circumference, which are sequentially fitted and fixed on the center rod 1 on 1 to 5 bases 3 from top to bottom, and each folding horizontal One end of the arm 8 is movably installed in the U-shaped groove structure of the base 3 with the folding structure of the shaft rod 4, and the other end is fixedly installed with the feeder box 5 with fasteners, and the feeder head is fixedly installed with fasteners on both sides of the feeder box 5 Structure, the sleeve 7 is processed with a folded spring structure and installed on the feed heads on both sides of the feed box 5, one end of the folded vibrator 6 is riveted and installed on the sleeve 7 with a fastener, and the positioning part 9 is processed with a hook structure under the spring. The shaft is movably installed in the inner slot hole of the cross arm at one end of the folding cross arm 8. The unfolded structure positioning part 9 of the folding cross arm 8 is hooked on the hook groove of the base 3. The positioning part 10 processes the hook structure on the spring and passes through the pin shaft. It is movably installed in the inner slot hole of the middle cross arm of the folding cross arm 8, and the retractable structure positioning part 10 of the folding cross arm 8 hooks the hook structure of the fixing part 12 into the hook groove, and the positioning part 11 is processed into a clamping groove structure or a spring pin structure, Fasteners are used to fix on both sides of the front end of the folding cross arm 8, the folding vibrator 6 has a contracted structure and the positioning part 11 clamps or tops the vibrator rod, and the folding vibrator 6 has an expanded or contracted structure. The sleeve 7 has a folded spring structure. The card clamps the folded vibrator 6 vibrator rods.

From the upper layer to the lower layer of the 1 to 5-layer folded unit antenna array of the present invention, the folded vibrator 6 and the folded cross arm 8 of each layer of the folded unit line antenna are arranged in layers from small to large, and the folded vibrator 6 or folded The cross-arm 8 has the same length and size, the folded vibrator 6 has a length of 120 mm to 2000 mm, and the folded cross arm 8 has a length of 200 mm to 3000 mm.

The sleeve 7 of the present invention includes a pin shaft 13, a jacket 14, a spring 15, and a connecting rod 16, wherein one end of the connecting rod 16 is movable and installed on the feeding head of the power feeding box 5 with a folded structure of the pin shaft 13, and the other end of the connecting rod 16 is riveted and installed Folding element 6, cover 14 is set outside the connecting rod 16, spring 15 is clamped between the cover 14 and connecting rod 16, folding vibrator 6 has an expanded or contracted structure and the cover 14 is clamped by the elastic force of the spring 15 to the feed box The feed head of 5 and the folded vibrator 6 are positioned in a 90° or 0° shape relative to the folded cross arm 8 .

Compared with background technology, the present invention has following advantages:

1. The present invention adopts the combined structure of folding vibrator 6 and folding cross arm 8, which breaks through the traditional design and achieves the purpose of rapid erection and contraction; specially designed positioning parts 9, 10, 11, so that the antenna can achieve accurate and rapid positioning the goal of.

2. The present invention has no attachments for erection and retraction, so the erection operation is convenient, the shrinkage volume is small, the processing parts are few, and it is convenient for batch processing and production. At the same time, it is light in weight, easy to move and use, and has good maneuverability.

3. In the present invention, as long as the number of layers of the folded unit antenna array is changed, the number of folded unit line antennas, the length of the folded cross arm 8 and the folded vibrator 6 are changed, folded antenna devices with different purposes and specifications can be produced. Therefore, the antenna structure has strong versatility and good maneuverability.

Description of drawings

Fig. 1 is a structural schematic diagram of the front view of the present invention.

Fig. 2 is a schematic structural diagram of the contracted state of the front view of the present invention.

FIG. 3 is a schematic structural view of the sleeve 7 of the present invention.

Detailed ways

Referring to Figures 1 to 3, the present invention consists of a central pole 1, a connecting pole 2, 1 to 5 bases 3-1 to 3-5, a shaft pole 4, and an antenna array of 1 to 5 layers of folding units, and each layer of folding units The antenna array is composed of 2 to 10 folded unit line antennas, and each folded unit line antenna is composed of a feed box 5, a folded vibrator 6, a sleeve 7, a folded cross arm 8, positioning parts 9, 10, 11, and a fixing part 12 . In the present invention, 1 to 5 bases 3-1 to 3-5 are processed into a disc base structure with aluminum plate or steel plate material, and 2 to 10 U-shaped groove structures and hook groove structures are processed on the circumference, and are fixed in sequence from top to bottom. On the center pole 1, its function is to movably fix and support each folded element line antenna array of each layer. The lower end of the central rod 1 is inserted into the upper end tube of the connecting rod 1, and the central rod 1 is fixed on the connecting rod 2 with fasteners, and the lower end of the connecting rod 2 is fixed on the base of the vehicle and mobile equipment. The central rod 1 of the embodiment is made of glass fiber reinforced plastics The tube is made, and its function prevents the electromagnetic wave radiation that affects each unit line antenna, and the connecting rod 2 is made of commercially available stainless steel tube material. In the 1 to 5 layers of folded unit antenna arrays of the present invention, 2 to 10 folded unit line antenna folded structures of each layer of antenna array are movably installed on 2 to 10 U-shaped groove structures of each layer of base 3 . In the embodiment, two layers of folded unit antenna arrays are made, and each layer of antenna array is made of 5 folded unit line antennas, which are evenly installed on the circumferential U-shaped groove structure of the base 3 .

The fixing part 12 of the present invention is processed into an overall disc-shaped structure with nylon material, and 2 to 10 hook groove structures are processed on the disc, and are fixed on the center rod 1 on each base 3 with fasteners from top to bottom. The effect is that when the folding cross arm 8 shrinks, the positioning part 10 on the folding cross arm 8 can be hooked into its hook groove, and the folding cross arm 8 is retracted and positioned. In the present invention, each folding cross arm 8 is movably installed in the U-shaped groove on the circumference of the base 3 with a shaft rod 4 folding structure, and the positioning part 9 is processed with a hook structure under the spring, and is movably installed on the folding cross arm 8 and the base 3 through a pin shaft. One end of the folding cross arm 8 is folded in the cross arm inner slot hole, so that the lower hook can be hooked with the hook groove of the base 3 when the folding cross arm 8 is unfolded by the action of the spring tension, so as to position the folding cross arm 8 when it is unfolded. effect. The positioning part 10 is processed into a spring upper hook structure, and is installed in the inner slot hole of the middle cross arm of the folding cross arm 8 through the pin shaft, so that the upper hook can be hooked in the fixed position when the folding cross arm 8 shrinks through the action of the spring tension. In the hook groove of part 12, it is used for positioning when the folding cross arm 8 shrinks. Embodiment Positioning parts 9 and 10 are processed into strip-shaped sheet-like hook structures with steel plate materials, and are installed through pin shafts and springs during installation to play the role of drag hooks.

The feeder box 5 of the present invention is fixed on the other end of the folding cross arm 8 with fasteners, and the feeder head structure is fixedly installed on both sides of the feeder box 5 with fasteners, and the feeder box 5 is connected in parallel to receive and send signals through cables. The machine is used as the feed source of the folding vibrator 6. The feeding box 5 of the embodiment adopts a printed board to process itself into a shielding box structure, and a cable connection socket and a feeding head connected by a printed board circuit are installed on the shielding box. The sleeve 7 of the present invention is processed with a folded spring structure and is movably installed on the feed heads on both sides of the feed box 5 , and each folded unit line antenna is composed of two symmetrical sleeves 7 . Each sleeve 7 includes a pin shaft 13, a jacket 14, a spring 15, and a connecting rod 16, wherein one end of the connecting rod 16 is movably installed on the feeding head of the power feeding box 5 with a folded structure of the pin shaft 13, and the other end is riveted to install the folding vibrator 6 The vibrator rod, the jacket 14 is set on the outside of the connecting rod 16, the spring 15 is clamped between the jacket 14 and the connecting rod 16, the jacket 14 is clamped by the elastic force of the spring 15 to clamp the connecting rod 16, so that the folding vibrator 6 is in the unfolded structure or Contracted structure, the feed head of the feed box 5 is clamped by the jacket 14, the folding vibrator 6 is positioned at 90° or 0° relative to the folding cross arm 8, the embodiment pin 13, the jacket 14, the spring 15, the connecting rod 16 and the folded vibrator 6 are self-made and processed into a wire antenna vibrator structure. When the folding vibrator 6 is contracted, its vibrator rod is clamped or clamped by the positioning member 11 and positioned on the cross arm of the folding cross arm 8 . The positioning part 11 of the present invention is processed into a clamping groove structure or a spring pin structure, and is fixed on both sides of the front end of the folding cross arm 8 with fasteners. The upper layer of the positioning part 11 in the embodiment is shorter because of the folding vibrator, and a nylon clip structure is used. The rest of the layers use pin shafts and spring pin positioning members to clamp the top of each vibrator, so as to achieve the clamping or top clamping positioning function of the folded vibrator 6 when it shrinks.

The folded unit antenna array of the present invention has 1 to 5 layers, and the lengths of the folded vibrator 6 and the folded cross arm 8 of each folded unit line antenna from the upper layer to the lower layer are arranged layer by layer from small to large, and the same layer of folded vibrator 6 or The length and size of the foldable cross-arm 8 are all equal, the length of the foldable vibrator 6 is 120 mm to 2000 mm, the length of the foldable cross-arm 8 is 200 mm to 3000 mm, and the size of the upper layer of the folding vibrator 6 in the embodiment is 450 mm, and the size of the lower layer is 1500 mm , The size of the upper layer of the folding cross arm 8 is 250 mm, and the size of the lower layer is 1000 mm. Embodiment The folding cross arm 8 is made of square stainless steel pipe material.

The working process of the present invention is as follows: during the antenna erection and unfolding process, each positioning part 10 of the upper foldable cross arm 8 is opened respectively, and the folding cross arm 8 is rotated to the positioning part 9 for positioning; the folding vibrator 6 is opened, the sleeve 7 parts are positioned, and the upper layer is unfolded ; Open the positioning parts 10 of the lower folding cross arm 8 respectively, and rotate the folding cross arm 8 to the positioning part 9 for positioning; pull out the positioning part 11 and open the vibrator 6, the sleeve 7 parts are positioned, and the lower layer is unfolded. During the retraction process of the antenna, lift the sleeves 7 of the lower layer respectively, rotate the lower folding vibrator 6, then pull the positioning part 11 to store the folding vibrator 6, and then pull the positioning part 9, and rotate the lower folding cross arm 8 to the positioning part. 10 is positioned with the fixing part 12, and the contraction of the lower layer is completed; respectively lift each sleeve 7 parts of the upper layer, rotate the upper folding vibrator 6, then use the positioning part 11 to position the folding vibrator 6, and then pull the positioning part 9 to rotate the upper folding cross arm 8 until the positioning part 10 and the fixing piece 12 are positioned, and the upper layer is completely shrunk.

Claims (4)

1. collapsible direction finding order wire antenna assembly, it comprises center pole (1), connecting rod (2), 1 to 5 base (3-1) is to (3-5), axostylus axostyle (4), it is characterized in that: comprise that also 1 to 5 layer of folding unit aerial array constitutes, every layer of folding unit aerial array is made of 2 to 10 folding unit wire antennas, wherein 1 to 5 layer of folding unit aerial array is movably arranged on 1 to 5 base (3-1) on (3-5) by axostylus axostyle (4) is folding, each base processing disc base structure of 1 to 5 base (3-1) to (3-5), 2 to 10 U type groove structures of processing and hook groove structure on the circumference, the order suit is fixed on the center pole (1) from top to bottom, 2 to 10 folding unit wire antennas of every layer of folding unit aerial array use axostylus axostyle (4) foldable structure to be movably arranged on 2 to 10 U type groove structures of every layer of base (3) respectively, and center pole (1) lower end is inserted in connecting rod (2) upper pipes and fixes with securing member.

2. collapsible direction finding order wire antenna assembly according to claim 1, it is characterized in that: each folding unit wire antenna of 2 to 10 folding unit wire antennas of every layer of folding unit aerial array comprises feed box (5), folding oscillator (6), sleeve (7), folding transverse arm (8), keeper (9), (10), (11), fixture (12), wherein fixture (12) is processed whole disc-shaped structure, 2 to 10 hook groove structures of processing on the circumference, from top to bottom successively above suit stuck-at-to 5 base (3) on the center pole (1), each folding transverse arm (8) one end is movably arranged in base (3) the U type groove structure with axostylus axostyle (4) foldable structure, the other end fixedly mounts feed box (5) with securing member, fixedly mount the feed header structure with securing member on feed box (5) two sides, sleeve (7) processing folded spring structure is movably arranged on the feed head of feed box (5) both sides, folding oscillator (6) one ends are installed on the sleeve (7) with the securing member riveted joint, keeper (9) processed springs lower draw-bar structure, be movably arranged in the interior slotted eye of folding transverse arm (8) one end transverse arms by bearing pin, folding transverse arm (8) launches shape structure keeper (9) spring lower draw-bar structure and hooks on base (3) the hook groove, hook structure on keeper (10) processed springs, be movably arranged in the interior slotted eye of the middle transverse arm of folding transverse arm (8) by bearing pin, hook structure hooks fixture (12) hook groove on the folding contraction-like structure keeper of transverse arm (8) (10) spring, keeper (11) processed clip slot type structure or spring catch structure, be fixed on folding transverse arm (8) the front end two sides with securing member, the folding contraction-like structure keeper of oscillator (6) (11) clip is lived or the oscillator bar is blocked on the top, and folding oscillator (6) launches the shape structure or contraction-like structural sleeve (7) folded spring structure clip is lived folding oscillator (6) oscillator bar.

3. collapsible direction finding order wire antenna assembly according to claim 1 and 2, it is characterized in that: 1 to 5 layer of folding unit aerial array distinguished ascending successively the increase from the upper strata to the folding oscillator (6) of lower floor, every layer of folding unit wire antenna, folding transverse arm (8) length dimension and arranged, all equate with folding oscillator (6) of one deck or folding transverse arm (8) length dimension, folding oscillator (6) length dimension is 120 millimeters to 2000 millimeters, and folding transverse arm (8) length dimension is 200 millimeters to 3000 millimeters.

4. collapsible direction finding order wire antenna assembly according to claim 3, it is characterized in that: sleeve (7) comprises bearing pin (13), overcoat (14), spring (15), connecting rod (16), wherein connecting rod (16) one ends are movably arranged on feed box (5) the feed head with bearing pin (13) foldable structure, folding a period of time (6) is installed in the riveted joint of connecting rod (16) other end, overcoat (14) is sleeved on connecting rod (16) outside, spring (15) is installed between overcoat (14) and the connecting rod (16), and folding oscillator (6) expansion shape structure or contraction-like structure overcoat (14) are lived the feed head of feed box (5) by spring (15) elastic force clip, the folding relatively transverse arm (8) of folding oscillator (6) is positioned to 90 ° or 0 ° of shape structure.

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