CN113078481B - Miniaturized dual-frequency microstrip array antenna - Google Patents
Miniaturized dual-frequency microstrip array antenna Download PDFInfo
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- CN113078481B CN113078481B CN202110359613.4A CN202110359613A CN113078481B CN 113078481 B CN113078481 B CN 113078481B CN 202110359613 A CN202110359613 A CN 202110359613A CN 113078481 B CN113078481 B CN 113078481B
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- array antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
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Abstract
The invention discloses a miniaturized double-frequency microstrip array antenna, which belongs to the field of double-frequency microstrip array antennas, and is used in three forms respectively when in use, the device is placed at a use position when in use, when signal transmission needs to be enhanced, a mobile base can be taken down, a rotary protective sleeve can be unfolded through a torsion spring arranged on the rotary protective sleeve, the double-frequency microstrip array antenna module can be driven to be unfolded after the rotary protective sleeve is unfolded, the device is in a second form when in use, the double-frequency microstrip array antenna module is completely unfolded, the signal transmission function is enhanced, when the position is short and affects the signal transmission, the mobile base can be inverted and is butted with a thread groove arranged at the bottom of a pressure-bearing chassis, and the device is in a third form, the height of the device can be improved, the signal transmission is enhanced, the three types of mental states can be adjusted according to the use requirement of the device, and the use requirement of the device is met.
Description
Technical Field
The invention relates to the field of dual-frequency microstrip array antennas, in particular to a miniaturized dual-frequency microstrip array antenna.
Background
With the advance of technology, Wireless Local Area Networks (WLANs) are widely used and rapidly developed by virtue of their flexibility and convenience. In terms of frequency allocation, the existing 802.11b (2.4-2.483 GHz) protocol has limited bandwidth and transmission rate which cannot meet the current data communication requirements, so that the 802.11a (5.15-5.85 GHz) protocol with relatively abundant frequency band must be used. In order to satisfy compatibility, the wireless lan needs to employ a dual-band transceiving system.
The performance of an antenna as an important radio in a communication system will directly affect the performance of the radio. The microstrip antenna has the advantages of small volume, light weight, low profile, capability of being shaped together with a carrier, simple manufacture, low cost, easy integration, easy realization of double-frequency and multi-frequency band work and the like, so the microstrip antenna is widely researched and developed in recent ten years. Dual-band, multi-band microstrip antennas suitable for broadband WLANs are also being researched and developed. Common methods for realizing dual-frequency operation of the microstrip antenna include a multi-patch method, a multi-mode single-patch method and a loading single-patch method;
the form can not be changed in the use, leads to unable adaptation user demand to it is comparatively troublesome to expand and retrieve.
Disclosure of Invention
The present invention provides a miniaturized dual-band microstrip array antenna to solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
miniaturized dual-frenquency microstrip array antenna includes: the device comprises a movable base, a supporting column, a supporting chassis and a pressure-bearing chassis, wherein the upper part inside the movable base is fixedly connected with the upper end of a pressure-bearing rod, the lower end of the pressure-bearing rod extends to the bottom side inside the supporting column and contacts with the upper surface of the inner side of an unfolding limiting mechanism, the outer part of the upper end of the supporting column is fixedly connected with the axle center inside the supporting chassis, a group embedded mounting block is fixedly mounted on the supporting chassis in a ring assembly manner, an embedded groove matched with the clamping rod is formed in the embedded mounting block, one side, close to the inner side, of the clamping rod is movably sleeved in the embedded groove, two groups of torsion springs are fixedly mounted on the outer side, of the clamping rod, the other ends of the torsion springs are fixedly connected with the left side and the right side of the upper end of a rotating protective sleeve, a dual-frequency microstrip array antenna module is fixedly mounted in the rotating protective sleeve, one side, close to the inner side, of the dual-frequency microstrip array antenna module is movably connected with one end, close to the outer side, of the unfolding buffering mechanism, the unfolding buffer mechanism is movably connected with the outer wall of the middle part of the supporting column by the inner end, the lower end of the supporting column is fixedly connected with the middle part of the pressure-bearing chassis, and the unfolding limiting mechanism is movably mounted on the pressure-bearing chassis.
Preferably, a window matched with the dual-frequency microstrip array antenna module is arranged on the outer wall of the mobile base.
Preferably, the middle of the lower surface of the pressure-bearing chassis is provided with a thread groove matched with the lower end of the pressure-bearing rod.
Preferably, both sides are located the middle part left and right sides about embedded groove is inside and are provided with the spacing groove, both sides are located the middle part left and right sides about the joint pole is inside and are provided with the fixed slot, the inside fixed mounting of fixed slot has fixed spring, the fixed spring upper end leans on interior one end fixed connection with the joint piece, joint piece activity cup joints inside the fixed slot, joint piece and spacing groove phase-match.
Preferably, the deployment buffering mechanism comprises: dwang, gangbar and fixed baseplate, outer one end is leaned on through pivot swing joint in dual-frenquency microstrip array antenna module rear side middle part and the dwang, the dwang is leaned on interior one end and gangbar to lean on outer one end through pivot swing joint, the gangbar is leaned on interior one end through pivot and fixed baseplate outside swing joint, fixed baseplate is fixed to be cup jointed on the support column.
Preferably, the deployment limiting mechanism comprises: the anti-collision device comprises a rotating plate, a limiting spring and an anti-collision plate, wherein the lower end of a pressure-bearing rod is movably connected with the upper surface of one side, close to the inner side, of the rotating plate, the rotating plate is provided with eight groups and is in one-to-one correspondence with a dual-frequency microstrip array antenna module, one end, close to the outer side, of the rotating plate is movably connected with the edge, on the outer side, of a pressure-bearing chassis through a rotating shaft, the upper surface, on the outer side, of the rotating plate is provided with the anti-collision plate, the inner side of the anti-collision plate is movably connected with the outer surface of the lower end of a rotating protective sleeve, the middle lower portion of the rotating plate is fixedly connected with the upper end of the limiting spring, and the lower end of the limiting spring is fixedly connected with the upper surface of the pressure-bearing chassis.
Compared with the prior art, the invention provides a miniaturized double-frequency microstrip array antenna, which has the following beneficial effects:
1. the invention has the beneficial effects that: when in use, the device is respectively used in three forms, the device is just placed at the use place when in use, when the signal transmission needs to be enhanced, the movable base can be taken down, the rotary protective sleeve can be unfolded through the torsion spring arranged on the rotary protective sleeve, when the protective sleeve is rotated to unfold, the dual-frequency microstrip array antenna module can be driven to unfold, and at the moment, the dual-frequency microstrip array antenna module is in the second form used by the device, and is completely unfolded to strengthen the signal transmission function, when the place is short and affects the signal transmission, the movable base can be inverted and butted with a thread groove arranged at the bottom of the pressure-bearing chassis, and is in a third state, can the hoisting device's height, strengthen signal transmission, these three kinds of hearts can use required the adjustment according to the device, satisfy device user demand.
2. The invention has the beneficial effects that: in the use, still be provided with embedding installation piece on supporting the chassis, through using the modularization installation, when a certain double-frequency microstrip array antenna module damages, can replace through the mode of modularization installation, through outwards pulling out the joint pole hard, make joint pole and embedded groove separate, later change the new double-frequency microstrip array antenna module of dress can, in the installation, put into the embedded groove with the joint pole earlier, later hard pressing, make joint piece and spacing groove phase-match can, finish the installation of double-frequency microstrip array antenna module.
3. The invention has the beneficial effects that: this device still is provided with the expansion limiting mechanism, it is too fast in order to prevent torsion spring expansion speed, produce certain resistance through dwang and gangbar, delay expansion speed, when closing, through will moving the base and press down along dual-frenquency microstrip array antenna module, through bearing pole and the inboard contact of rotor plate, make the rotor plate rotate around the pivot, get up dual-frenquency microstrip array antenna module lower extreme protection, the bearing pole promotes during the expansion, the rotor plate receives spacing spring's elasticity to rotate around the pivot and opens.
Drawings
Fig. 1 is a perspective view of an embodiment of a miniaturized dual-band microstrip array antenna according to the present invention;
fig. 2 is an assembled perspective view of an embodiment of a miniaturized dual-band microstrip array antenna according to the present invention;
fig. 3 is a three-dimensional exploded view of an embodiment of a miniaturized dual-band microstrip array antenna according to the present invention;
fig. 4 is a disassembled view of the embedded mounting block of an embodiment of the miniaturized dual-band microstrip array antenna according to the present invention.
Reference numerals:
101 moving base, 102 supporting column, 103 supporting base, 104 pressure-bearing base, 105 pressure-bearing rod, 106 embedded installation block, 107 clamping rod, 108 embedded groove, 109 torsion spring, 110 rotation protective sleeve, 111 dual-frequency microstrip array antenna module, 201 limiting groove, 202 fixing groove, 203 fixing spring, 204 clamping block, 301 rotating rod, 302 linkage rod, 303 fixing base, 401 rotating plate, 402 limiting spring and 403 anti-collision plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, a miniaturized dual-band microstrip array antenna, comprising: the device comprises a movable base 101, a support pillar 102, a support chassis 103 and a pressure-bearing chassis 104, wherein the upper part inside the movable base 101 is fixedly connected with the upper end of a pressure-bearing rod 105, the lower end of the pressure-bearing rod 105 extends to the bottom side inside the support pillar 102 and contacts with the upper surface of the inner side of an unfolding limiting mechanism, the outer part of the upper end of the support pillar 102 is fixedly connected with the axis inside the support chassis 103, 8 groups of embedded mounting blocks 106 are fixedly mounted on the support chassis 103 in a ring-shaped manner, an embedded groove 108 matched with a clamping rod 107 is formed in each embedded mounting block 106, the inner side of the clamping rod 107 is movably sleeved in the embedded groove 108, two groups of torsion springs 109 are fixedly mounted on the outer side of the clamping rod 107, the other ends of the torsion springs 109 are fixedly connected with the left side and the right side of the upper end of a rotating protective sleeve 110, a dual-frequency microstrip array antenna module 111 is fixedly mounted inside the rotating protective sleeve 110, the inner side of the dual-frequency microstrip array antenna module 111 is movably connected with the outer end of the unfolding buffering mechanism, the inner end of the unfolding buffer mechanism is movably connected with the outer wall of the middle part of the supporting column 102, the lower end of the supporting column 102 is fixedly connected with the middle part of the pressure-bearing chassis 104, and the unfolding limiting mechanism is movably mounted on the pressure-bearing chassis 104.
The outer wall of the mobile base 101 is provided with a window matched with the dual-frequency microstrip array antenna module 111.
The middle of the lower surface of the pressure-bearing chassis 104 is provided with a thread groove matched with the lower end of the pressure-bearing rod 105.
When in use, the device is respectively used in three forms, the device is just placed at the use place when in use, when the signal transmission needs to be enhanced, the movable base 101 can be removed, and the rotating protection sleeve 110 can be unfolded by the torsion spring 109 arranged on the rotating protection sleeve 110, when the protective cover 110 is rotated to unfold the dual-band microstrip array antenna module 111, the device is in the second configuration, the dual-band microstrip array antenna module 111 is unfolded to enhance the signal transmission function, when the position of the device is short and affects the signal transmission, the mobile base 101 can be inverted and docked with the threaded groove provided at the bottom of the pressure-bearing chassis 104, now in the third configuration, can the hoisting device's height, strengthen signal transmission, these three kinds of hearts can use required the adjustment according to the device, satisfy device user demand.
Example 2: based on example 1, but different;
limiting grooves 201 are formed in the left side and the right side of the middle portion of the upper side and the lower side of the inside of the embedded groove 108, fixing grooves 202 are formed in the left side and the right side of the middle portion of the upper side and the lower side of the inside of the clamping rod 107, fixing springs 203 are fixedly mounted inside the fixing grooves 202, the upper ends of the fixing springs 203 are fixedly connected with clamping blocks 204 through inner ends, the clamping blocks 204 are movably sleeved inside the fixing grooves 202, and the clamping blocks 204 are matched with the limiting grooves 201.
In the use, still be provided with embedding installation piece 106 on supporting chassis 103, through using the modularization installation, when a certain dual-frenquency microstrip array antenna module 111 damages, can replace through the mode of modularization installation, pull out joint pole 107 through outside hard, make joint pole 107 and embedded groove 108 separate, later change the dress new dual-frenquency microstrip array antenna module 111 can, in the installation, put into embedded groove 108 with joint pole 107 earlier, later hard pressing, make joint piece 204 and spacing groove 201 phase-match can, finish dual-frenquency microstrip array antenna module 111 installation.
Example 3: based on examples 1 and 2, but different;
the deployment cushioning mechanism includes: dwang 301, gangbar 302 and fixed baseplate 303, dual-frenquency microstrip array antenna module 111 rear side middle part and dwang 301 lean on outer one end through pivot swing joint, and dwang 301 leans on interior one end and gangbar 302 to lean on outer one end through pivot swing joint, and gangbar 302 leans on interior one end through pivot and fixed baseplate 303 outside swing joint, and fixed baseplate 303 fixes the cover and connects on support column 102.
The deployment limiting mechanism includes: the lower end of the pressure bearing rod 105 is movably connected with the upper surface of the inner side of the rotating plate 401, the rotating plate 401 is provided with eight groups and is in one-to-one correspondence with the double-frequency microstrip array antenna modules, one end, close to the outer side, of the rotating plate 401 is movably connected with the edge of the outer side of the pressure bearing chassis 104 through a rotating shaft, the upper surface of the outer side of the rotating plate 401 is provided with the anti-collision plate 403, the inner side of the anti-collision plate 403 is movably connected with the outer surface of the lower end of the rotating protective sleeve 110, the middle lower portion of the rotating plate 401 is fixedly connected with the upper end of the limiting spring 402, and the lower end of the limiting spring 402 is fixedly connected with the upper surface of the pressure bearing chassis 104.
This device still is provided with the expansion limiting mechanism, it is too fast in order to prevent torsion spring 109 expansion speed, produce certain resistance through dwang 301 and gangbar 302, delay expansion speed, when closing, through pressing down mobile base 101 along dual-frenquency microstrip array antenna module 111, through bearing pole 105 and rotor plate 401 inboard contact, make rotor plate 401 rotate around the pivot, get up dual-frenquency microstrip array antenna module 111 lower extreme protection, bearing pole 105 promotes when expanding, rotor plate 401 receives the elasticity of spacing spring 402 and rotates around the pivot and open.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. Miniaturized dual-frenquency microstrip array antenna includes: the movable base is characterized in that the upper portion inside the movable base (101) is fixedly connected with the upper end of a pressure bearing rod (105), the lower end of the pressure bearing rod (105) extends to the bottom side inside the support column (102) and contacts with the upper surface of the inner side of an expansion limiting mechanism, the outer portion of the upper end of the support column (102) is fixedly connected with the inner axis of the support base (103), 8 groups of embedded mounting blocks (106) are fixedly mounted on the support base (103) in a ring mode, embedded grooves (108) matched with clamping rods (107) are formed in the embedded mounting blocks (106), one side, close to the inner side, of each clamping rod (107) is movably sleeved inside the embedded grooves (108), two groups of torsion springs (109) are fixedly mounted on one side, close to the outer side, the other ends of the torsion springs (109) are fixedly connected with the left side and the right side of the upper end of a rotary protective sleeve (110), a dual-frequency microstrip array antenna module (111) is fixedly installed inside the rotating protective sleeve (110), one side, close to the inner side, of the dual-frequency microstrip array antenna module (111) is movably connected with one end, close to the outer side, of the unfolding buffer mechanism, one end, close to the inner side, of the unfolding buffer mechanism is movably connected with the outer wall of the middle part of the supporting column (102), the lower end of the supporting column (102) is fixedly connected with the middle part of the pressure-bearing chassis (104), and an unfolding limiting mechanism is movably installed on the pressure-bearing chassis (104);
the deployment cushioning mechanism includes: the antenna comprises a rotating rod (301), a linkage rod (302) and a fixed base (303), wherein the middle part of the rear side of the dual-frequency microstrip array antenna module (111) is movably connected with one end, close to the outside, of the rotating rod (301) through a rotating shaft, one end, close to the inside, of the rotating rod (301) is movably connected with one end, close to the outside, of the linkage rod (302) through a rotating shaft, the linkage rod (302) is movably connected with the outer side of the fixed base (303) through a rotating shaft, and the fixed base (303) is fixedly sleeved on a supporting column (102);
the deployment limiting mechanism includes: the antenna comprises a rotating plate (401), a limiting spring (402) and an anti-collision plate (403), wherein the lower end of a pressure bearing rod (105) is movably connected with the upper surface of the inner side of the rotating plate (401), the rotating plate (401) is provided with eight groups and is in one-to-one correspondence with a dual-frequency microstrip array antenna module, the rotating plate (401) is movably connected with the edge of the outer side of a pressure bearing chassis (104) through a rotating shaft at one end close to the outer side, the upper surface of the outer side of the rotating plate (401) is provided with the anti-collision plate (403), the inner side of the anti-collision plate (403) is movably connected with the outer surface of the lower end of a rotating protective sleeve (110), the lower part of the middle of the rotating plate (401) is fixedly connected with the upper end of the limiting spring (402), and the lower end of the limiting spring (402) is fixedly connected with the upper surface of the pressure bearing chassis (104).
2. The miniaturized dual-band microstrip array antenna of claim 1 wherein: and a window matched with the dual-frequency microstrip array antenna module (111) is arranged on the outer wall of the movable base (101).
3. The miniaturized dual-band microstrip array antenna of claim 1 wherein: and the middle part of the lower surface of the pressure-bearing chassis (104) is provided with a thread groove matched with the lower end of the pressure-bearing rod (105).
4. The miniaturized dual-band microstrip array antenna of claim 1 wherein: both sides are located the middle part left and right sides and are provided with spacing groove (201) about embedded groove (108) is inside, both sides are located the middle part left and right sides about joint pole (107) is inside and are provided with fixed slot (202), fixed slot (202) inside fixed mounting has fixed spring (203), interior one end fixed connection is leaned on with joint piece (204) in fixed spring (203) upper end, joint piece (204) activity is cup jointed inside fixed slot (202), joint piece (204) and spacing groove (201) phase-match.
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| CN202110359613.4A CN113078481B (en) | 2021-04-02 | 2021-04-02 | Miniaturized dual-frequency microstrip array antenna |
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| CN202110359613.4A CN113078481B (en) | 2021-04-02 | 2021-04-02 | Miniaturized dual-frequency microstrip array antenna |
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| CN113078481A CN113078481A (en) | 2021-07-06 |
| CN113078481B true CN113078481B (en) | 2022-08-02 |
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