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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- outer conductor
- socket outer
- cable
- heat
- coaxial feed
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Abstract
The utility model belongs to a coaxial feed antenna, in particularly relates to a miniaturized coaxial feed structure for an element antenna. The miniaturized coaxial feed structure comprises a socket outer conductor, wherein the socket outer conductor is of a positioning step structure, a medium bushing is arranged in the socket outer conductor, a pin is arranged in the medium bushing, a pressure ring is sleeved in the socket outer conductor and is in contact with the medium bushing, a heat-shrinkable sleeve is arranged at the head of the socket outer conductor, a cable is arranged in the heat-shrinkable sleeve, the cable is fixed with the heat-shrinkable sleeve together through welding spots, and core wires in the cable are connected with the inner wall of the pin through welding spots. The miniaturized coaxial feed structure for the element antenna has the advantages that the socket outer conductor adopts a thread fixing mode, a flat mouth is processed on the thread positioning step for screwing down the socket outer conductor; the pin and the step of the medium bushing play a positioning role, and impedance matching of an inner conductor and an outer conductor is ensured; the heat-shrinkable sleeve is used for fixing the cable, the welding spots are prevented from being stressed due to pin deformation caused by an external force, and the environmental adaptation of the feed structure is ensured.
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)
1. the miniaturization coaxial feed of an element antenna; It is characterized in that: it comprises socket outer conductor (4), is the positioning step structure in the socket outer conductor (4), is provided with medium lining (2) in the socket outer conductor (4); Be provided with contact pin (1) in the medium lining (2); Pressure ring (3) is sleeved in the socket outer conductor (4) and with medium lining (2) and contacts, and the head of socket outer conductor (4) is provided with heat-shrinkable T bush (5), is provided with cable (6) in the heat-shrinkable T bush (5); Cable (6) is fixed together through solder joint (7) with heat-shrinkable T bush (5), and the heart yearn in the cable (6) is connected through solder joint (8) with the inwall of contact pin (1).
2. the miniaturization coaxial feed of a kind of element antenna as claimed in claim 1, it is characterized in that: described medium lining (2) outer surface is coated with aviation rubber liquid XY401.
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
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20171024 |