CN202308592U - Miniaturized coaxial feed structure for element antenna - Google Patents
Miniaturized coaxial feed structure for element antenna Download PDFInfo
- Publication number
- CN202308592U CN202308592U CN2011204071510U CN201120407151U CN202308592U CN 202308592 U CN202308592 U CN 202308592U CN 2011204071510 U CN2011204071510 U CN 2011204071510U CN 201120407151 U CN201120407151 U CN 201120407151U CN 202308592 U CN202308592 U CN 202308592U
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- Prior art keywords
- outer conductor
- socket
- cable
- heat
- shrinkable sleeve
- Prior art date
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- Expired - Fee Related
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- 239000004020 conductor Substances 0.000 claims abstract description 41
- 229910000679 solder Inorganic materials 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
本实用新型属于一种同轴馈电的天线，具体涉及一种振子天线的小型化同轴馈电结构。它包括插座外导体，插座外导体内为定位台阶结构，插座外导体内设有介质衬套，介质衬套内设有插针，压环套装在插座外导体内并与介质衬套相接触，插座外导体的头部设有热缩套管，热缩套管内设有电缆，电缆与热缩套管通过焊点固定在一起，电缆内的芯线与插针的内壁通过焊点连接。其优点是，插座外导体采用螺纹固定方式，螺纹定位台阶处加工扁口，用于拧紧插座外导体。插针与介质衬套的台阶起定位作用，同时保证了内外导体的阻抗匹配。热缩套管用于固定电缆，防止由外力作用，带动插针变形使焊点受力，保证了馈电结构的环境适应性。
The utility model belongs to a coaxial feeding antenna, in particular to a miniaturized coaxial feeding structure of a vibrator antenna. It includes the outer conductor of the socket, the outer conductor of the socket is a positioning step structure, the outer conductor of the socket is provided with a dielectric bushing, the dielectric bushing is provided with pins, the pressure ring is set in the outer conductor of the socket and is in contact with the dielectric bushing, The head of the outer conductor of the socket is provided with a heat-shrinkable sleeve, and a cable is arranged in the heat-shrinkable sleeve. The cable and the heat-shrinkable sleeve are fixed together by solder joints, and the core wire in the cable is connected to the inner wall of the contact pin by solder joints. The advantage is that the outer conductor of the socket is fixed by thread, and the thread positioning step is processed with a flat mouth for tightening the outer conductor of the socket. The step between the pin and the dielectric bushing plays a positioning role, and at the same time ensures the impedance matching of the inner and outer conductors. The heat-shrinkable sleeve is used to fix the cable to prevent the deformation of the contact pin caused by the external force and force the solder joint, which ensures the environmental adaptability of the power feeding structure.
Description
Technical field
The utility model belongs to a kind of antenna of coaxial feed, is specifically related to a kind of miniaturization coaxial feed of element antenna.
Background technology
At present, element antenna is widely used in the remote measurement and the control system of missile armament, accomplishes the transmitting-receiving work of telemetered signal and satellite-signal, thereby realizes radio communication and satellite positioning functions.
The key of element antenna structure is feed structure, is used to realize the impedance matching of antenna feed point, guarantees the reliability and the environmental suitability of feed simultaneously.Usually, antenna feed point adopts the coaxial connector fit form, and socket is realized the impedance matching of the fixing and distributing point of solder joint, and plug is used to connect coaxial cable, and inner wire adopts the contact pin form between the two, and outer conductor adopts thread forms.The first, the socket outer conductor is fixed through flange or thread forms and substrate, can guarantee that solder joint does not receive the external force effect.The second, the coaxial connector inner wire is fixed through medium lining and outer conductor, guarantees the whole mechanical property of coaxial connector.The 3rd, coaxial connector is the standard components and parts, and general screw thread and contact pin standard is provided, thereby antenna and cable can independent design, connects through standard interface again, makes instrument and equipment have good versatility.Coaxial connector fit form mature and reliable, extensive use still receives the restriction of installing space, under narrow space, can't adopt.
Under the good situation of environmental condition, can adopt the direct Type of Welding of cable, but the airborne equipment welding space is little, vibration environment is abominable, and through the ground experiment examination, directly Type of Welding can't satisfy the environment for use requirement.
Summary of the invention
The purpose of the utility model provides a kind of miniaturization coaxial feed of element antenna, and it can be under small space, is used for being connected of element antenna and coaxial cable, effectively improves the reliability and the environmental suitability of feed structure.
The utility model is achieved in that a kind of miniaturization coaxial feed of element antenna, and it comprises the socket outer conductor; In the socket outer conductor is the positioning step structure; Be provided with the medium lining in the socket outer conductor, be provided with contact pin in the medium lining, pressure ring is sleeved in the socket outer conductor and with the medium lining and contacts; The head of socket outer conductor is provided with heat-shrinkable T bush; Be provided with cable in the heat-shrinkable T bush, cable and heat-shrinkable T bush are fixed together through solder joint, and the heart yearn in the cable is connected through solder joint with the inwall of contact pin.
Described medium sleeve outer surface is coated with aviation rubber liquid XY401.
The utility model has the advantages that the socket outer conductor adopts screw fixation method, flat mouthful of screw thread positioning step place processing is used to tighten the socket outer conductor.The step of contact pin and medium lining plays the role of positioning, and has guaranteed the impedance matching of internal and external conductor simultaneously.Heat-shrinkable T bush is used for fixing cable, prevents by the external force effect, drives the contact pin distortion and makes solder joint stressed, has guaranteed the environmental suitability of feed structure.
Description of drawings
Fig. 1 is the miniaturization coaxial feed sketch map of a kind of element antenna that the utility model provided.
Among the figure, 1 contact pin, 2 medium linings, 3 pressure rings, 4 socket outer conductors, 5 heat-shrinkable T bushs, 6 cables, 7 solder joints, 8 solder joints.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in detail:
Feed structure is the key components of element antenna, is used to realize that the feed of antenna body connects, and makes antenna satisfy the requirement of receiving and transmitting signal.
As shown in Figure 1; It comprises the socket outer conductor 4 of hollow a kind of miniaturization coaxial feed of element antenna, is the positioning step structure in the socket outer conductor 4, and medium lining 2 is sleeved in the socket outer conductor 4; Medium lining 2 is inner for having the through hole of positioning step for the structure of bolt shape and its; Positioning steps in medium lining 2 and the socket outer conductor 4 cooperate, and contact pin 1 is sleeved in the through hole of medium lining 2 and with its inner positioning step and cooperates, and it is interior and contact with medium lining 2 that pressure ring 3 is sleeved on socket outer conductor 4; The head of socket outer conductor 4 is through the heat-shrinkable T bush 5 that has been threaded; Cable 6 is sleeved in the heat-shrinkable T bush 5, through solder joint 7 cable 6 and heat-shrinkable T bush 5 is fixed together, and through solder joint 8 heart yearn in the cable 6 is connected with the inwall of contact pin 1.
The concrete installation method of the utility model is following:
Cable connects antenna through the feed connector, has removed the switching form of plugs and sockets, can shorten feed greatly and connect distance.During assembling feed connector, socket outer conductor 4 is screwed into mounting base,, medium lining 2 outer surfaces is coated with aviation rubber liquid XY401, fill in the socket outer conductor to the positioning step contact.Cable crust, screen and the insulating barrier peeled off successively as shown in the figure warded off soldering with contact pin heart hole inwall and connect cable core.After cable shield is inserted in pressure ring 3, the contact pin outer surface is coated with aviation rubber liquid XY401, fills in the medium lining.Pressure ring 3 is filled in socket outer conductor 4,, use heat-shrinkable T bush 5 fixing in the cable junction with the cable shield welding.
Socket outer conductor 4 adopts screw fixation method, and flat mouthful of screw thread positioning step place processing is used to tighten the socket outer conductor.Contact pin 1 plays the role of positioning with the step of medium lining 2, has guaranteed the impedance matching of internal and external conductor simultaneously.
Heat-shrinkable T bush 5 is used for fixing cable 6, prevents by the external force effect, drives contact pin 1 distortion and makes solder joint stressed, has guaranteed the environmental suitability of feed structure.
The utility model is integrated as a whole with the plug and the socket of coaxial connector, avoids the influence of external force butt welding point simultaneously.The welding of contact pin and cable core, the contact pin location in outer conductor, the welding of cable shield, the installation of outer conductor is with fixing.Select semi-flexible cable for use, can avoid external force to impact through the contact pin butt welding point.Contact pin adopts welding method, and the end face blind hole is warded off tin and added the structure that the tin hole is leaked in the side, and the realization contact pin is connected with cable core.Owing to adopted the integral feed structure; Feed assembly should assemble from the antenna outside, so is provided with positioning step outside the contact pin, cooperates with medium lining counterbore; Medium lining outside Design Orientation step; Cooperate with the socket outer conductor, adopt pressure ring that the medium lining is compressed, weld with cable shield, socket outer conductor simultaneously.In order to shorten the length of feed structure, socket should be selected screw fixation method, can reduce the height that flange connects.
The utility model has been realized the feed structure of coaxial cable on the axial distance of 12mm, integrated with the plug of coaxial connector and socket guaranteed the miniaturization of element antenna.
The integral feed structure can be born the examination of environmental test:
1) thermocycling: high temperature+60 ℃, low temperature-30 ℃; Kept 2 hours;
2) shock test:
3) the anti-test of shaking of structure:
4) low air pressure test:
Under 5.33 ± 1.33Pa, duration 10min, total power energising inspection.
Carry out the test of visual examination and electrical performance indexes after test is accomplished, result of the test shows: solder joint is under the effect of temperature stress and mechanical stress, and is solid and reliable.The integral feed structure experience test back of connector is not destroyed, and can guarantee the electrical performance indexes requirement.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204071510U CN202308592U (en) | 2011-10-24 | 2011-10-24 | Miniaturized coaxial feed structure for element antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204071510U CN202308592U (en) | 2011-10-24 | 2011-10-24 | Miniaturized coaxial feed structure for element antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202308592U true CN202308592U (en) | 2012-07-04 |
Family
ID=46377411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204071510U Expired - Fee Related CN202308592U (en) | 2011-10-24 | 2011-10-24 | Miniaturized coaxial feed structure for element antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202308592U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319571A (en) * | 2014-10-16 | 2015-01-28 | 合肥得润电子器件有限公司 | Cable assembly |
| CN105626921A (en) * | 2014-10-30 | 2016-06-01 | 北京精密机电控制设备研究所 | Outer lead outgoing structure for servo valve |
| CN106461448A (en) * | 2014-03-28 | 2017-02-22 | 霍尼韦尔国际公司 | Feed-through for gwr measurements in tanks |
| WO2017121402A1 (en) * | 2016-01-15 | 2017-07-20 | Commscope Technologies Llc | Cable-connector assembly with heat-shrink sleeve |
| CN112397246A (en) * | 2020-10-26 | 2021-02-23 | 中国电子科技集团公司第二十九研究所 | Dipole antenna structure and cable assembly |
| CN114284720A (en) * | 2021-12-09 | 2022-04-05 | 中国电子科技集团公司第二十九研究所 | Feed structure of double coaxial cables |
-
2011
- 2011-10-24 CN CN2011204071510U patent/CN202308592U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461448A (en) * | 2014-03-28 | 2017-02-22 | 霍尼韦尔国际公司 | Feed-through for gwr measurements in tanks |
| CN104319571A (en) * | 2014-10-16 | 2015-01-28 | 合肥得润电子器件有限公司 | Cable assembly |
| CN105626921A (en) * | 2014-10-30 | 2016-06-01 | 北京精密机电控制设备研究所 | Outer lead outgoing structure for servo valve |
| CN105626921B (en) * | 2014-10-30 | 2018-05-18 | 北京精密机电控制设备研究所 | A kind of servo valve outer lead outlet structure |
| WO2017121402A1 (en) * | 2016-01-15 | 2017-07-20 | Commscope Technologies Llc | Cable-connector assembly with heat-shrink sleeve |
| CN106981795A (en) * | 2016-01-15 | 2017-07-25 | 康普技术有限责任公司 | Cable-connector assembly with thermal contraction casing tube |
| US20180375266A1 (en) * | 2016-01-15 | 2018-12-27 | Commscope Technologies Llc | Cable-connector assembly with heat-shrink sleeve |
| US10530104B2 (en) * | 2016-01-15 | 2020-01-07 | Commscope Technologies Llc | Cable-connector assembly with heat-shrink sleeve |
| CN112397246A (en) * | 2020-10-26 | 2021-02-23 | 中国电子科技集团公司第二十九研究所 | Dipole antenna structure and cable assembly |
| CN114284720A (en) * | 2021-12-09 | 2022-04-05 | 中国电子科技集团公司第二十九研究所 | Feed structure of double coaxial cables |
| CN114284720B (en) * | 2021-12-09 | 2023-04-25 | 中国电子科技集团公司第二十九研究所 | Feed structure of double coaxial cables |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20171024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |