CN110518330B - Feed source support, antenna and electronic equipment - Google Patents

Feed source support, antenna and electronic equipment Download PDF

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Publication number
CN110518330B
CN110518330B CN201910882606.5A CN201910882606A CN110518330B CN 110518330 B CN110518330 B CN 110518330B CN 201910882606 A CN201910882606 A CN 201910882606A CN 110518330 B CN110518330 B CN 110518330B
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China
Prior art keywords
connecting portion
antenna
feed source
feed
thermal expansion
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CN201910882606.5A
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CN110518330A (en
Inventor
李晟诚
刘少智
方程
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Beijing Institute of Radio Measurement
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Beijing Institute of Radio Measurement
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles

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  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

The invention discloses a feed source support, an antenna and electronic equipment, and relates to the field of antennas. The feed source support includes: the feed source comprises a first connecting portion and a second connecting portion, one end of the first connecting portion is connected with the antenna, the other end of the first connecting portion is connected with one end of the second connecting portion, the other end of the second connecting portion is connected with the feed source, and the positive coefficient and the negative coefficient of thermal expansion of the first connecting portion are opposite to that of the second connecting portion. According to the invention, the feed source support is designed into two parts, the positive and negative thermal expansion coefficients of the two parts are opposite, when the temperature rises, the connecting part with the positive thermal expansion coefficient is heated to expand, the connecting part with the negative thermal expansion coefficient is heated to contract, and the deformation generated by the two parts is counteracted mutually, so that the influence of the temperature on the position of the feed source is compensated, the position accuracy of the feed source can be ensured, and the influence on the antenna performance caused by the temperature deformation is avoided.

Description

Feed source support, antenna and electronic equipment
Technical Field
The invention relates to the field of antennas, in particular to a feed source support, an antenna and electronic equipment.
Background
The antenna feed source is an important component of the antenna, and the accuracy of the feed source position is important. The feed source is generally fixed on a feed source support and connected with an antenna, the position accuracy of the feed source is directly influenced by the deformation of the feed source support, and particularly, the position accuracy of the feed source support is extremely high in requirement on the high-frequency-band antenna.
And when the operational environment temperature of antenna changed, the feed support generally can take place expend with heat and contract with cold along with ambient temperature changes to lead to the feed position to change, thereby influence antenna electrical property.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the feed source support, the antenna and the electronic equipment, and solves the problem that the position of the antenna feed source is easy to change due to the change of the environmental temperature.
The technical scheme for solving the technical problems is as follows:
a feed support comprising: the antenna comprises a first connecting part and a second connecting part, wherein one end of the first connecting part is connected with the antenna, the other end of the first connecting part is connected with one end of the second connecting part, the other end of the second connecting part is connected with the feed source, and the positive and negative of the thermal expansion coefficient of the first connecting part and the positive and negative of the thermal expansion coefficient of the second connecting part are opposite.
The invention has the beneficial effects that: according to the invention, the feed source support is designed into two parts, the positive and negative thermal expansion coefficients of the two parts are opposite, when the temperature rises, the connecting part with the positive thermal expansion coefficient is heated to expand, the connecting part with the negative thermal expansion coefficient is heated to contract, and the deformation generated by the two parts is counteracted mutually, so that the influence of the temperature on the position of the feed source is compensated, the position accuracy of the feed source can be ensured, and the influence on the antenna performance caused by the temperature deformation is avoided.
Another technical solution of the present invention for solving the above technical problems is as follows:
an antenna, comprising: antenna body and feed to and as above-mentioned technical scheme the feed support, the feed passes through the feed support is installed on the antenna body.
According to the antenna provided by the invention, the feed source support is used for mounting the feed source, when the temperature rises, the connecting part with the positive thermal expansion coefficient is heated to expand, the connecting part with the negative thermal expansion coefficient is heated to contract, and the deformation generated by the connecting part and the connecting part are mutually offset, so that the influence of the temperature on the position of the feed source is compensated, the position precision of the feed source can be ensured, the influence on the performance of the antenna caused by the temperature deformation is avoided, and the temperature adaptability of the antenna is improved.
Another technical solution of the present invention for solving the above technical problems is as follows:
an electronic device, comprising: the antenna according to the above technical solution.
According to the electronic equipment provided by the invention, by using the antenna in the technical scheme, when the temperature rises, the connecting part with the positive thermal expansion coefficient of the feed source support is heated to expand, the connecting part with the negative thermal expansion coefficient is heated to contract, and the deformation generated by the connecting part and the connecting part are mutually offset, so that the influence of the temperature on the position of the feed source is compensated, the position precision of the feed source can be ensured, the influence on the performance of the antenna caused by the temperature deformation is avoided, and the precision and the stability of signal transmission are improved.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural view provided by an embodiment of a feed source support of the present invention;
fig. 2 is a schematic view of a contact part structure provided by other embodiments of the feed source support of the invention;
FIG. 3 is a schematic view of the position of the contact portion screw holes provided by other embodiments of the feed source support of the present invention;
fig. 4 is a schematic structural diagram of an antenna according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1, a schematic structural diagram is provided for an embodiment of a feed source support of the present invention, where the feed source support includes: the antenna comprises a first connecting part 10 and a second connecting part 20, wherein one end of the first connecting part 10 is connected with the antenna, the other end of the first connecting part 10 is connected with one end of the second connecting part 20, the other end of the second connecting part 20 is connected with a feed source 40, and the positive and negative of the thermal expansion coefficients of the first connecting part 10 and the second connecting part 20 are opposite.
It should be noted that the first connecting portion 10 may be made of a material with a positive thermal expansion coefficient, such as a common metal, alloy, etc., and the second connecting portion 20 may be made of a material with a negative thermal expansion coefficient, such as a polymer material, etc., and heated to shrink.
It should be understood that the first connection portion 10 may also be a material with a negative thermal expansion coefficient, and the second connection portion 20 may be a material with a positive thermal expansion coefficient.
Because materials with positive coefficients of thermal expansion are common and relatively low cost, antennas are typically made using materials with positive coefficients of thermal expansion. Therefore, when the first connecting portion 10 is made of a material with a positive thermal expansion coefficient, the first connecting portion 10 and the antenna can be made into an integral structure, the same material is used for the first connecting portion 10, and the antenna protrudes outward to form a predetermined shape.
The shape and size of the first connection portion 10 and the second connection portion 20 may be set according to actual requirements.
This embodiment is through designing into two parts with the feed support, and the thermal expansion coefficient's of two parts positive negative phase is opposite, and when the temperature rose, positive thermal expansion coefficient's connecting portion thermal expansion, negative thermal expansion coefficient's connecting portion thermal contraction, and the deformation that both produced offsets each other to compensated the influence of temperature to the feed position, can guarantee feed position accuracy, avoided because of the influence to the antenna performance that temperature deformation leads to.
Alternatively, in some embodiments, as shown in fig. 2, an exemplary contact structure is given, the other end of the first connection portion 10 is provided with a first contact portion 11 and a second contact portion 12, one end of the second connection portion 20 is provided with a first corresponding contact portion 21 having the same size and shape as the first contact portion, and a second corresponding contact portion 22 having the same size and shape as the second contact portion; the first contact portion 11 is connected to the first corresponding contact portion 21, and the second contact portion 12 is connected to the second corresponding contact portion 22.
In fig. 2, the second connection portion 20 is "Y" shaped, and the two top portions are connected to the two contact portions of the first connection portion 10, respectively, and the feed source 40 is installed at the bottom portion. The first contact portion 11 and the second contact portion 12 are two independent protruding structures, which are not in contact with each other.
Through adopting above-mentioned structure, can not only strengthen the stability of connecting, can also be because of the temperature rise when taking place deformation, two contact sites provide same deformation for the offset effect of deformation is better.
Optionally, in some embodiments, as shown in fig. 3, a screw hole 13 is provided at a predetermined position of the first contact portion 11, a screw hole having the same size is provided at a corresponding position of the first corresponding contact portion, and the first contact portion 11 and the first corresponding contact portion are connected by a nut and the screw hole 13.
Fig. 3 is a schematic diagram illustrating exemplary positions of screw holes of the contact portion, taking the first contact portion 11 as an example, wherein 4 screw holes 13 are formed around the first contact portion 11, and the first connection portion and the second connection portion can be fixed by nuts passing through the screw holes of the connected contact portions.
The second contact part, the first corresponding contact part and the second corresponding contact part are the same, and are not described again.
Optionally, in some embodiments, a screw hole is provided at a predetermined position of the second contact portion, a screw hole having the same size is provided at a corresponding position of the second corresponding contact portion, and the second contact portion and the second corresponding contact portion are connected through a nut and the screw hole.
It is understood that other connection means may be used by those skilled in the art to connect the first and second connection portions.
Optionally, in some embodiments, the deformation amount of the first connection portion and the second connection portion is the same when in the preset temperature condition.
It should be noted that the thermal expansion coefficients and structures of the first connecting portion and the second connecting portion can be determined through computer simulation analysis, so that the deformation amounts of the first connecting portion and the second connecting portion are the same when the temperature is increased.
It is understood that some or all of the alternative embodiments described above may be included in some embodiments.
As shown in fig. 4, a schematic structural diagram is provided for an embodiment of an antenna of the present invention, where the antenna includes: the antenna comprises an antenna body 30, a feed source 40 and a feed source support 50 as described in any of the above embodiments, wherein the feed source 40 is mounted on the antenna body 30 through the feed source support 50.
The antenna that this embodiment provided uses the feed support installation feed as above-mentioned arbitrary embodiment, when the temperature risees, positive thermal expansion coefficient's connecting portion thermal expansion, negative thermal expansion coefficient's connecting portion thermal contraction, and the deformation that both produced offsets each other to compensated the influence of temperature to the feed position, can guarantee feed position precision, avoided the influence to the antenna performance because of temperature deformation leads to, improve the temperature adaptability of antenna.
In other embodiments of the present invention, there is also provided an electronic device including: an antenna as claimed in any preceding embodiment.
The electronic equipment that this embodiment provided uses the antenna as described in above arbitrary embodiment, when the temperature rose, the connecting portion of the positive thermal expansion coefficient of feed support was heated thermal expansion, and negative thermal expansion coefficient's connecting portion was heated thermal contraction, and the deformation that both produced offsets each other to compensated the influence of temperature to the feed position, can guarantee feed position precision, avoided the influence to the antenna performance because of temperature deformation leads to, thereby improved signal transmission's precision and stability.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described method embodiments are merely illustrative, and for example, the division of steps into only one logical functional division may be implemented in practice in another way, for example, multiple steps may be combined or integrated into another step, or some features may be omitted, or not implemented.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A feed support, comprising: first connecting portion and second connecting portion, the one end and the antenna connection of first connecting portion, the other end of first connecting portion with the one end of second connecting portion is connected, the other end and the feed of second connecting portion are connected, first connecting portion with the positive negative opposite of the thermal expansion coefficient of second connecting portion, when the temperature risees, positive thermal expansion coefficient's connecting portion is heated and is expanded, and negative thermal expansion coefficient's connecting portion is heated and is contracted, first connecting portion with the deformation that the second connecting portion produced offsets each other.
2. The feed source support according to claim 1, characterized in that the other end of the first connection part is provided with a first contact part and a second contact part, and one end of the second connection part is provided with a first corresponding contact part with the same size and shape as the first contact part and a second corresponding contact part with the same size and shape as the second contact part; the first contact portion is connected with the first corresponding contact portion, and the second contact portion is connected with the second corresponding contact portion.
3. The feed source support according to claim 2, characterized in that a screw hole is provided at a predetermined position of the first contact portion, a screw hole having the same size is provided at a corresponding position of the first corresponding contact portion, and the first contact portion and the first corresponding contact portion are connected by a nut and a screw hole.
4. The feed source support according to claim 2, characterized in that a screw hole is provided at a predetermined position of the second contact portion, a screw hole having the same size is provided at a corresponding position of the second corresponding contact portion, and the second contact portion and the second corresponding contact portion are connected by a nut and a screw hole.
5. The feed support according to any of claims 1 to 4, characterized in that the deformation of the first and second connection portions is the same when in a preset temperature condition.
6. An antenna, comprising: an antenna body and a feed, and a feed carrier as claimed in any one of claims 1 to 5, the feed being mounted on the antenna body by the feed carrier.
7. An electronic device, comprising: the antenna of claim 6.
CN201910882606.5A 2019-09-18 2019-09-18 Feed source support, antenna and electronic equipment Active CN110518330B (en)

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Publication number Priority date Publication date Assignee Title
CN113922023B (en) * 2021-11-29 2023-03-14 江苏贝孚德通讯科技股份有限公司 Resonant rod and filter with temperature compensation

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CN101019053A (en) * 2004-05-05 2007-08-15 光波微系统公司 Athermal AWG and AWG with low power consumption using groove of changeable width
US8869472B2 (en) * 2011-12-30 2014-10-28 Panelclaw, Inc. Thermal growth compensators, systems, and methods
CN106051813A (en) * 2016-07-01 2016-10-26 四川东方能源科技股份有限公司 Assembly used for mounting radial sealing pad of air preheater

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JPH0644688B2 (en) * 1985-09-10 1994-06-08 日本電信電話株式会社 Antenna device
ES2389636T3 (en) * 2008-03-18 2012-10-29 Astrium Limited Antenna power set
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US8274446B2 (en) * 2010-06-03 2012-09-25 Raytheon Company Lightweight antenna attachment structure
JP6781772B2 (en) * 2016-05-17 2020-11-04 カール・ツァイス・エスエムティー・ゲーエムベーハー Mounting device for optical imaging device

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Publication number Priority date Publication date Assignee Title
CN101019053A (en) * 2004-05-05 2007-08-15 光波微系统公司 Athermal AWG and AWG with low power consumption using groove of changeable width
US8869472B2 (en) * 2011-12-30 2014-10-28 Panelclaw, Inc. Thermal growth compensators, systems, and methods
CN106051813A (en) * 2016-07-01 2016-10-26 四川东方能源科技股份有限公司 Assembly used for mounting radial sealing pad of air preheater

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