CN105244618B - A kind of circuited microstrip loop fuze antenna - Google Patents
A kind of circuited microstrip loop fuze antenna Download PDFInfo
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- CN105244618B CN105244618B CN201510781180.6A CN201510781180A CN105244618B CN 105244618 B CN105244618 B CN 105244618B CN 201510781180 A CN201510781180 A CN 201510781180A CN 105244618 B CN105244618 B CN 105244618B
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- 239000000758 substrate Substances 0.000 claims abstract description 112
- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 51
- 230000005855 radiation Effects 0.000 claims abstract description 23
- 230000007704 transition Effects 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 241000276425 Xiphophorus maculatus Species 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005530 etching Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a kind of circuited microstrip loop fuze antennas comprising：Antenna substrate, SMP connectors, top layer medium substrate and underlying dielectric substrate；Wherein, it includes matching metal ring, strip microstrip transition section and radiation metal annulus to have a radiation patch, radiation patch on antenna substrate；The surrounding of antenna substrate, top layer medium substrate and underlying dielectric substrate is respectively provided with metal fence, and antenna substrate, top layer medium substrate and underlying dielectric substrate are laminated into a platy structure, for antenna substrate between top layer medium substrate and underlying dielectric substrate, top layer medium substrate is located at the side that antenna medium substrates have radiation patch；After there is a power feed hole, SMP connectors to pass through underlying dielectric substrate and power feed hole on antenna substrate, it is electrically connected with matching metal ring.The present invention have the advantages that it is simple in structure, compact in size, can be formed bowl-shape directional diagram and obtain compared with broad beam.
Description
Technical Field
The invention belongs to the field of fuze antennas and relates to a microstrip annular fuze antenna.
Background
The fuze is a control device that detonates or ignites a payload of an ammunition warhead under predetermined conditions using target information and environmental information, and is one of important contents for informatization of weaponry.
The radio near detonator is an important missile-borne control device in a weapon system, and the detonator antenna is the 'eye' of the radio near detonator, and the radio near detonator senses a target by utilizing electromagnetic wave environmental information and enables the detonator to detonate a warhead at the optimal explosion point away from the target. The modern fuze is beneficial to seizing a fighter, attacks quickly, accurately and effectively, can reduce the ammunition consumption and the ammunition base number, and has great benefits in storage, transportation and the like during fighting. In recent years, microstrip antennas are often used as radio fuze antennas in various bullet shapes, and meanwhile, the antennas are required to be well conformal with a bullet body, and the microstrip antennas are simple in structure, reliable, light in weight, high in strength, not too low in working efficiency and wide in beam.
Disclosure of Invention
The invention provides a microstrip annular fuze antenna which is simple in structure, small in size and wide in wave beam. The technical scheme is as follows: a microstrip loop fuze antenna comprising: the antenna comprises an antenna substrate, an SMP connector, a top layer dielectric substrate and a bottom layer dielectric substrate; wherein,
the antenna substrate is provided with a radiation patch, the radiation patch comprises a matching metal ring, a strip-shaped microstrip transition section and a radiation metal ring, and the matching metal ring and the radiation metal ring are connected into a whole through the strip-shaped microstrip transition section;
metal fences are arranged on the peripheries of the antenna substrate, the top layer dielectric substrate and the bottom layer dielectric substrate and are used for reducing crosstalk of signals among ports and improving isolation; the antenna substrate, the top dielectric substrate and the bottom dielectric substrate are laminated into a plate-shaped structure, the antenna substrate is located between the top dielectric substrate and the bottom dielectric substrate, and the top dielectric substrate is located on one side of the antenna, where the radiation patch is located;
the antenna substrate is provided with a feed hole, and the SMP connector penetrates through the bottom layer dielectric substrate and the feed hole and is electrically connected with the matching metal ring.
According to a preferred embodiment, the present invention further comprises a connector carrier board for mounting the SMP connector, wherein the connector carrier board is combined with the underlying dielectric substrate after the SMP connector is mounted; wherein,
the SMP connector comprises a connector shell and a probe coaxially arranged in the connector shell, wherein the probe penetrates through the bottom layer dielectric substrate and the feed hole and is electrically connected with the matching metal ring.
According to a preferred embodiment, the feed hole is located at the center of the matching metal ring.
According to a preferred embodiment, the bottom dielectric substrate has a metal layer on a bonding surface with the connector carrier, and the connector housing is electrically connected to the metal layer for grounding the connector housing.
According to a preferred embodiment, the bottom dielectric substrate and the connector carrier plate are bonded together by silver paste.
According to a preferred embodiment, the antenna substrate, the top dielectric substrate and the bottom dielectric substrate are bonded together by prepregs.
According to a preferred embodiment, the prepregs are made of Taconic FR-28 material.
According to a preferred embodiment, the antenna substrate, the top dielectric substrate and the bottom dielectric substrate are made of Taconic TLY material.
Compared with the prior art, the invention has the beneficial effects that:
the micro-strip annular fuze antenna introduces electromagnetic energy through the SMP joint, then transmits the electromagnetic energy to the radiation patch through the feed hole connected with the SMP joint, and transmits the electromagnetic energy to the radiation metal ring after better impedance matching is carried out on the electromagnetic energy through the matching metal ring and the strip micro-strip transition section, so that a bowl-shaped directional diagram is formed and a wider wave beam is obtained. Structurally, the feed hole is arranged to connect the radiation patch with the metal probe of the SMP connector, wiring is simplified, and the size is reduced.
Moreover, metal fences are arranged on the periphery of the antenna substrate, the top layer dielectric substrate and the bottom layer dielectric substrate, so that crosstalk of signals among ports can be reduced, and isolation is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention in an expanded configuration;
FIG. 3 is a schematic view of an antenna substrate of the present invention;
FIG. 4 is a schematic representation of an SMP joint of the present invention;
fig. 5 is a schematic view of a splice carrier plate of the present invention;
fig. 6 is a directivity pattern of the present invention.
List of reference numerals
1: antenna substrate 2: top dielectric substrate 3: bottom dielectric substrate 4: a joint carrier plate 5: SMP joint 6: the radiation patch 7: feed hole 8: the metal fence 51: the joint housing 52: the probe 61: matching metal ring 62: strip microstrip transition section 63: radiating metal ring
Detailed Description
The following detailed description is made with reference to the accompanying drawings.
Combining the schematic diagram of the structure of the present invention shown in fig. 1, the expanded schematic diagram of the structure of the present invention shown in fig. 2, and the schematic diagram of the antenna substrate of the present invention shown in fig. 3; the microstrip loop fuze antenna of the present invention includes: the antenna comprises an antenna substrate 1, an SMP connector 5, a top dielectric substrate 2 and a bottom dielectric substrate 3.
The antenna substrate 1 is provided with a radiation patch 6, the radiation patch 6 comprises a matching metal ring 61, a strip-shaped microstrip transition section 62 and a radiation metal ring 63, and the matching metal ring 61 and the radiation metal ring 63 are connected into a whole through the strip-shaped microstrip transition section 62.
All set up metal rail 8 around antenna substrate 1, top layer dielectric substrate 2 and bottom layer dielectric substrate 3 for reduce the crosstalk of signal between the port, improve the isolation.
Specifically, the antenna substrate 1, the top dielectric substrate 2 and the bottom dielectric substrate 3 are stacked to form a plate-shaped structure, the antenna substrate 1 is located between the top dielectric substrate 2 and the bottom dielectric substrate 3, and the top dielectric substrate is located on the side of the antenna substrate 1 having the radiation patch 6.
The antenna substrate 1 is also provided with a feed hole 7, and the SMP connector 5 is electrically connected with the matching metal circular ring 61 after passing through the bottom layer dielectric substrate 3 and the feed hole 7.
In the invention, a metal film is deposited on the antenna substrate 1, and the metal film is formed into the shape required by the radiation patch 6 in the invention through a metal etching process, namely the shape formed by the matching metal ring 61, the strip-shaped microstrip transition section 62 and the radiation metal ring 63.
Combining the expanded schematic view of the structure of the present invention shown in fig. 2 with the schematic view of the splice carrier plate of the present invention shown in fig. 5; the microstrip annular fuze antenna further comprises a joint carrier plate 4 for installing the SMP joint 5, wherein the SMP joint is placed in a reserved opening on the joint carrier plate 4, and the SMP joint 5 is bonded in the reserved opening through a welding ring. After the SMP connector 5 is installed on the connector carrier 4, the connector carrier 4 and the bottom dielectric substrate 3 are bonded together by silver paste.
In connection with the SMP joint of the present invention shown in FIG. 4; the SMP connector 5 includes a connector housing 51 and a probe 52 coaxially disposed within the connector housing 51. The SMP connector 5 is electrically connected to the matching metal ring 61 after passing through the bottom dielectric substrate 3 and the power feed hole 7 via the probe 51.
With reference to fig. 3, a schematic diagram of the antenna substrate of the present invention is shown; wherein the feed hole 7 is located at the center of the matching metal ring 61. Therefore, after the probes 52 of the SMP connector 5 penetrate through the bottom dielectric substrate 3 and the feeding holes 7, solder is filled in the gaps between the feeding holes 7 and the probes 52, so that the probes 52 and the feeding holes 7 are sufficiently fixed, and the probes 52 are electrically connected with the matching metal rings 61 through the solder.
The working principle of the invention is as follows: electromagnetic energy is introduced through the SMP joint, the electromagnetic energy is transmitted to the radiation patch through the feed hole connected with the SMP joint, and the electromagnetic energy is transmitted to the radiation metal ring after better impedance matching is carried out through the matching metal ring and the strip-shaped microstrip transition section, so that a bowl-shaped directional diagram is formed and a wider wave beam is obtained.
In the present invention, the bottom dielectric substrate 3 has a metal layer on the bonding surface with the joint carrier 4, and when the joint carrier 4 provided with the SMP joint 5 is bonded with the bottom dielectric substrate 3, the joint shell 51 of the SMP joint 5 is electrically connected with the metal layer for grounding the joint shell 51.
In the invention, the bottom dielectric substrate 3 and the joint carrier plate 4 are bonded together through silver paste. Moreover, the antenna substrate 1, the top dielectric substrate 2 and the bottom dielectric substrate 3 are bonded together by the prepreg. Therefore, the antenna substrate 1, the top dielectric substrate 2, the bottom dielectric substrate 4 and the joint carrier plate 4 form good commonality, and the working performance of the fuze antenna is improved.
Specifically, the prepreg is made of Taconic's FR-28 material. The antenna substrate, the top dielectric substrate and the bottom dielectric substrate are all made of Tastic TLY materials.
The directivity pattern of the present invention shown in connection with fig. 6; the directional pattern of the microstrip loop antenna can meet the requirement of coverage at 360 degrees in the normal direction, and finally a bowl-shaped directional pattern is formed.
The conventional fuze antenna is mainly realized by an antenna array surrounding a projectile body to realize 360 degrees coverage in the normal direction, or is realized by the rotation of the projectile body. In the invention, the required bowl-shaped directional diagram can be formed by a single patch form. Therefore, the invention has the advantages of simple structure, small size and wider wave beam.
It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Claims (8)
1. A microstrip ring fuse antenna, comprising: the antenna comprises an antenna substrate, an SMP connector, a top layer dielectric substrate and a bottom layer dielectric substrate; wherein,
the antenna comprises an antenna substrate, a radiating patch and a radiating antenna, wherein the antenna substrate is provided with the radiating patch, the radiating patch comprises a matching metal ring, a strip-shaped microstrip transition section and a radiating metal ring, the matching metal ring is positioned outside the radiating metal ring, and the matching metal ring and the radiating metal ring are connected into a whole through the strip-shaped microstrip transition section;
metal fences are arranged on the peripheries of the antenna substrate, the top layer dielectric substrate and the bottom layer dielectric substrate and are used for reducing crosstalk of signals among ports and improving isolation; the antenna substrate, the top dielectric substrate and the bottom dielectric substrate are laminated into a plate-shaped structure, the antenna substrate is located between the top dielectric substrate and the bottom dielectric substrate, and the top dielectric substrate is located on one side of the antenna, where the radiation patch is located;
the antenna substrate is provided with a feed hole, and the SMP connector penetrates through the bottom layer dielectric substrate and the feed hole and is electrically connected with the matching metal ring.
2. The microstrip loop fuze antenna of claim 1, further comprising a connector carrier for mounting the SMP connector, the connector carrier being bonded to the underlying dielectric substrate after the SMP connector is mounted; wherein,
the SMP connector comprises a connector shell and a probe coaxially arranged in the connector shell, wherein the probe penetrates through the bottom layer dielectric substrate and the feed hole and is electrically connected with the matching metal ring.
3. The microstrip loop fuze antenna of claim 1 or 2, wherein the feed hole is located at the center of the matching metal loop.
4. The microstrip loop fuse antenna according to claim 2 wherein said bottom dielectric substrate has a metal layer on a bonding surface with said connector carrier, said connector shell being electrically connected to said metal layer for grounding said connector shell.
5. The microstrip loop fuse antenna according to claim 4, wherein the bottom dielectric substrate and the connector carrier are bonded together by silver paste.
6. The microstrip loop fuse antenna according to claim 1 wherein the antenna substrate is bonded to the top dielectric substrate and the bottom dielectric substrate by prepregs.
7. The microstrip loop fuze antenna of claim 6, wherein the prepreg is made of Taconic's FR-28 material.
8. The microstrip loop fuse antenna according to claim 6 wherein the antenna substrate, the top dielectric substrate and the bottom dielectric substrate are made of Taconic TLY material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781180.6A CN105244618B (en) | 2015-11-13 | 2015-11-13 | A kind of circuited microstrip loop fuze antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781180.6A CN105244618B (en) | 2015-11-13 | 2015-11-13 | A kind of circuited microstrip loop fuze antenna |
Publications (2)
| Publication Number | Publication Date |
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| CN105244618A CN105244618A (en) | 2016-01-13 |
| CN105244618B true CN105244618B (en) | 2018-08-14 |
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| CN201510781180.6A Active CN105244618B (en) | 2015-11-13 | 2015-11-13 | A kind of circuited microstrip loop fuze antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110108174B (en) * | 2019-04-28 | 2021-05-04 | 芜湖博高光电科技股份有限公司 | Integrated projectile body fuse millimeter wave antenna structure |
| CN110212285B (en) * | 2019-06-28 | 2021-11-02 | 上海天马微电子有限公司 | Near field communication antenna, manufacturing method thereof, display module and display system |
| CN111276800B (en) * | 2020-02-04 | 2021-10-22 | Oppo广东移动通信有限公司 | Dual-band mmWave antenna modules and electronic equipment |
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Address after: 610041 Shiyang Industrial Park, No.288, Yixin Avenue, hi tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu lightning Micro Power Technology Co., Ltd Address before: 610041 Shiyang Industrial Park, hi tech Zone, Chengdu, Sichuan Patentee before: RML TECHNOLOGY Co.,Ltd. |
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