CN109490841B - Electric lap joint structure of radar antenna housing - Google Patents
Electric lap joint structure of radar antenna housing Download PDFInfo
- Publication number
- CN109490841B CN109490841B CN201810769657.2A CN201810769657A CN109490841B CN 109490841 B CN109490841 B CN 109490841B CN 201810769657 A CN201810769657 A CN 201810769657A CN 109490841 B CN109490841 B CN 109490841B
- Authority
- CN
- China
- Prior art keywords
- radome
- strip
- metal sheet
- lightning protection
- root
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/032—Constructional details for solid-state radar subsystems
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Aerials (AREA)
Abstract
The invention belongs to the field of lightning protection of radomes, and particularly relates to an electric lap joint structure of a radome. Comprises a U-shaped bonding sheet (1) and a connecting component (2). The U-shaped bonding sheet (1) is integrally U-shaped and comprises an upper metal sheet (11), a lower metal sheet (12) and a middle connecting section, wherein the upper metal sheet (11) is provided with a through hole according to the installation position and is used for connecting and fixing, and an included angle is slightly formed between the upper metal sheet (11) and the lower metal sheet (12) before installation; the invention provides an electric lap joint structure which can realize the electric lap joint of a shunt strip and a machine body in the radar antenna housing, reduce the influence on the aerodynamic appearance of flying, facilitate the disassembly of the housing and facilitate the maintenance.
Description
Technical Field
The invention belongs to the field of lightning protection of radomes, and particularly relates to an electric lap joint structure of a radome.
Background
The airborne radome is usually installed at the protruding part of the aircraft, such as a nose, a tail, a wing tip and the like, belongs to a lightning easy attachment area, and a shunt strip is required to be arranged on the outer surface of the radome so as to provide lightning protection for the radome. In order to realize the electrical communication between the shunt strip and the body structure, an electrical lap joint design is required to be carried out at the root of the radome. The root electric lap joint of the shunt strip mainly comprises the following types:
1) Nose radome: the root of the cover body is provided with an inner ring structure, the electric communication between the shunt strip and the inner ring is realized through an electric lap joint bolt, and the shunt strip is connected with the frame through taper pins and the like on the inner ring, so that the electric lap joint is realized;
2) Antenna housing such as toilet, SAR and the like: most of the cover bodies are free of inner ring components, the root parts of the shunt bars are directly electrically lapped with the aircraft structure through electric lap screws and bonding sheets, or bus bars are arranged on the inner surfaces of the root parts of the cover bodies, and the root parts of the shunt bars are electrically lapped with the machine body through bonding sheets, bonding wires or the like after being connected with the bus bars through the electric lap screws.
In order to meet the weight reduction requirement of the radar radome, part of the radome and the root parts of the radome such as most of the guard, SAR and the like have no inner ring structure, and the connection with the body structure is realized by adopting a sleeving manner. Under this kind of circumstances, in order to guarantee the convenience of the dismouting of cover body, can't realize the electricity overlap joint of reposition of redundant personnel strip and organism in the cover body is inside, can only pass through bonding piece and organism specific electricity overlap joint position point overlap joint outside the cover body, influences pneumatic appearance and pleasing to the eye, and need dismantle the electricity overlap joint screw at the cover body dismouting in-process, is unfavorable for maintaining.
Disclosure of Invention
The invention provides an electric lap joint structure which can realize the electric lap joint of a shunt strip and a machine body in a radar antenna housing, reduce the influence on the aeronautical appearance, facilitate the disassembly of the housing and facilitate the maintenance.
Technical proposal
An electric lap joint structure of a radar radome comprises a U-shaped lap iron sheet (1) and a connecting component (2).
The U-shaped bonding sheet (1) is integrally U-shaped and comprises an upper metal sheet (11), a lower metal sheet (12) and a middle connecting section, wherein the upper metal sheet (11) is provided with a through hole according to the installation position and is used for connecting and fixing, and an included angle is slightly formed between the upper metal sheet (11) and the lower metal sheet (12) before installation;
the connecting component (2) comprises connecting pieces such as a screw (21), a gasket (22), a nut (23) and the like;
during the use, cup joint U type bonding sheet (1) at radome root (3), make lightning protection hit reposition of redundant personnel strip (4) and last sheetmetal (11) contact of U type bonding sheet (1), and fix U type bonding sheet (1) and lightning protection hit reposition of redundant personnel strip (4) simultaneously through coupling assembling (2), during the fixing, make the through-hole that link up from top to bottom on last sheetmetal (11), lightning protection hit reposition of redundant personnel strip (4) and radome root (3), screw (21) from the top down pass the through-hole, gasket (22) from bottom to top overlap screw (21), laminating with radome root (3) lower surface, screw (21) are overlapped from bottom to top in nut (23), realize connecting the fastening, the positional relationship of last sheetmetal (11) and lightning protection hit reposition of redundant personnel strip (4) is by reposition of redundant personnel type, finally cup joint the radome in frame (5), lower sheetmetal (12) extrusion deformation on U type bonding sheet (1), with the frame installation face, realize the inseparable overlap joint of motor.
The lightning protection shunt strip (4) is divided into a button shunt strip and a metal shunt strip.
When the lightning protection radome is used, the groove (31) which is in the same shape and thickness as the lower metal sheet (12) is formed on the inner wall surface of the radome root (3) according to the position of the lightning protection shunt strip (4), the U-shaped bonding sheet (1) is arranged on the radome root along the groove, the upper metal sheet (11) is arranged above the shunt strip (4), through holes which are aligned in the upper and lower positions are formed in the U-shaped bonding sheet (1), the lightning protection shunt strip (4) and the radome root (3), the through holes are fixedly connected through the connecting component (2), the radome is sleeved on the radome frame (5), the lower metal sheet (12) is extruded and deformed, and the U-shaped bonding sheet and the radome frame are tightly overlapped to realize electric communication.
The metal type shunt strip installation form is similar, during the use, set up recess (31) with lower sheetmetal (12) shape homomorphism, thickness according to lightning protection shunt strip (4) position at the internal face of radome root (3), install U type bonding piece (1) in the cover body root along recess position, the recess that metal sheet (11) shape, thickness are the same is offered to the selectable cover body root upper surface during the installation for go up the sheetmetal installation, go up sheetmetal (11) in lightning protection shunt strip (4) below, set up the through-hole of upper and lower position alignment on U type bonding piece (1), shunt strip (4), radome root (3), connect fixedly through coupling assembling (2), cup joint the radome in frame (5) at last, lower sheetmetal (12) extrusion deformation, with the tight overlap joint of frame installation face, realize the electric intercommunication.
The U-shaped bonding sheet (1) can be made of metal materials with good conductivity and certain toughness, such as copper, aluminum, stainless steel and the like.
The screw (21) may be countersunk, flat head, etc.
Technical effects
The invention provides an electric lap joint structure which can realize the electric lap joint of a shunt strip and a machine body in the radar antenna housing, reduce the influence on the aerodynamic appearance of flying, facilitate the disassembly of the housing and facilitate the maintenance.
Drawings
FIG. 1 is an exploded view of an electrical lap joint structure of a radome (button-type shunt strip)
FIG. 2 is a schematic view of a U-shaped bonding sheet structure
FIG. 3 is a diagram of radome electrical lap mounting (button type shunt strip)
FIG. 4 is a schematic diagram of radome electrical lap joint installation (Metal shunt strip)
The device comprises a 1-U-shaped bonding sheet, an 11-upper metal sheet, a 12-lower metal sheet, a 2-connecting assembly, a 21-screw, a 22-gasket, a 23-nut, a 3-radome root, a 31-groove, a 4-lightning protection shunt strip and a 5-frame.
Detailed Description
An electric lap joint structure of a radar radome comprises a U-shaped lap iron sheet (1) and a connecting component (2).
The U-shaped bonding sheet (1) is integrally U-shaped and comprises an upper metal sheet (11), a lower metal sheet (12) and a middle connecting section, wherein the upper metal sheet (11) is provided with a through hole according to the installation position and is used for connecting and fixing, and an included angle is slightly formed between the upper metal sheet (11) and the lower metal sheet (12) before installation;
the connecting component (2) comprises connecting pieces such as a screw (21), a gasket (22), a nut (23) and the like;
during the use, cup joint U type bonding sheet (1) at radome root (3), make lightning protection hit reposition of redundant personnel strip (4) and last sheetmetal (11) contact of U type bonding sheet (1), and fix U type bonding sheet (1) and lightning protection hit reposition of redundant personnel strip (4) simultaneously through coupling assembling (2), during the fixing, make the through-hole that link up from top to bottom on last sheetmetal (11), lightning protection hit reposition of redundant personnel strip (4) and radome root (3), screw (21) from the top down pass the through-hole, gasket (22) from bottom to top overlap screw (21), laminating with radome root (3) lower surface, screw (21) are overlapped from bottom to top in nut (23), realize connecting the fastening, the positional relationship of last sheetmetal (11) and lightning protection hit reposition of redundant personnel strip (4) is by reposition of redundant personnel type, finally cup joint the radome in frame (5), lower sheetmetal (12) extrusion deformation on U type bonding sheet (1), with the frame installation face, realize the inseparable overlap joint of motor.
The lightning protection shunt strip (4) is divided into a button shunt strip and a metal shunt strip.
When the lightning protection radome is used, the groove (31) which is in the same shape and thickness as the lower metal sheet (12) is formed on the inner wall surface of the radome root (3) according to the position of the lightning protection shunt strip (4), the U-shaped bonding sheet (1) is arranged on the radome root along the groove, the upper metal sheet (11) is arranged above the shunt strip (4), through holes which are aligned in the upper and lower positions are formed in the U-shaped bonding sheet (1), the lightning protection shunt strip (4) and the radome root (3), the through holes are fixedly connected through the connecting component (2), the radome is sleeved on the radome frame (5), the lower metal sheet (12) is extruded and deformed, and the U-shaped bonding sheet and the radome frame are tightly overlapped to realize electric communication.
The metal type shunt strip installation form is similar, during the use, set up recess (31) with lower sheetmetal (12) shape homomorphism, thickness according to lightning protection shunt strip (4) position at the internal face of radome root (3), install U type bonding piece (1) in the cover body root along recess position, the recess that metal sheet (11) shape, thickness are the same is offered to the selectable cover body root upper surface during the installation for go up the sheetmetal installation, go up sheetmetal (11) in lightning protection shunt strip (4) below, set up the through-hole of upper and lower position alignment on U type bonding piece (1), shunt strip (4), radome root (3), connect fixedly through coupling assembling (2), cup joint the radome in frame (5) at last, lower sheetmetal (12) extrusion deformation, with the tight overlap joint of frame installation face, realize the electric intercommunication.
The U-shaped bonding sheet (1) can be made of metal materials with good conductivity and certain toughness, such as copper, aluminum, stainless steel and the like.
The screw (21) may be countersunk, flat head, etc.
Claims (5)
1. The utility model provides a radome electricity overlap joint structure, comprises U formula bonding sheet (1), coupling assembling (2), its characterized in that: the U-shaped bonding sheet (1) is integrally U-shaped and comprises an upper metal sheet (11), a lower metal sheet (12) and a middle connecting section, wherein the upper metal sheet (11) is provided with a through hole according to the installation position and is used for connecting and fixing, and an included angle is slightly formed between the upper metal sheet (11) and the lower metal sheet (12) before installation;
the connecting component (2) comprises a screw (21), a gasket (22) and a nut (23);
during the use, cup joint U type bonding sheet (1) at radome root (3), make lightning protection hit reposition of redundant personnel strip (4) and last sheetmetal (11) contact of U type bonding sheet (1), and fix U type bonding sheet (1) and lightning protection hit reposition of redundant personnel strip (4) simultaneously through coupling assembling (2), during the fixing, make the through-hole that link up from top to bottom on last sheetmetal (11), lightning protection hit reposition of redundant personnel strip (4) and radome root (3), screw (21) from the top down pass the through-hole, gasket (22) from bottom to top overlap screw (21), laminating with radome root (3) lower surface, screw (21) are overlapped from bottom to top in nut (23), realize connecting the fastening, the positional relationship of last sheetmetal (11) and lightning protection hit reposition of redundant personnel strip (4) is by reposition of redundant personnel type, finally cup joint the radome in frame (5), lower sheetmetal (12) extrusion deformation on U type bonding sheet (1), with the frame installation face, realize the inseparable overlap joint of motor.
2. The radome electrical lap joint structure of claim 1, wherein: the lightning protection shunt strip (4) is divided into a button shunt strip and a metal shunt strip.
3. A radome electrical lap joint structure of claim 2, wherein: button reposition of redundant personnel strip, during the use, set up recess (31) with lower sheetmetal (12) shape, thickness in the same form according to lightning protection reposition of redundant personnel strip (4) position at radar radome root (3), install U type bonding piece (1) in the cover body root along recess position, go up sheetmetal (11) in reposition of redundant personnel strip (4) top, set up the through-hole of upper and lower position alignment on U type bonding piece (1), lightning protection reposition of redundant personnel strip (4), radar radome root (3), connect fixedly through coupling assembling (2), cup joint the radome in frame (5) at last, lower sheetmetal (12) extrusion deformation, with the tight overlap joint of frame installation face, realize the electric intercommunication.
4. A radome electrical lap joint structure of claim 3, wherein: the metal type shunt strip is characterized in that when in use, grooves (31) with the same shape and thickness as those of the lower metal sheet (12) are formed in the inner wall surface of the root part (3) of the radome according to the position of the lightning protection shunt strip (4), the U-shaped bonding sheet (1) is arranged at the root part of the radome along the positions of the grooves, the grooves with the same shape and thickness as those of the upper metal sheet (11) are formed in the upper surface of the root part of the radome during installation, the grooves are used for mounting the upper metal sheet, the upper metal sheet (11) is arranged below the lightning protection shunt strip (4), through holes aligned at the upper and lower positions are formed in the U-shaped bonding sheet (1), the shunt strip (4) and the root part (3) of the radome, the through holes are fixedly connected through the connecting component (2), the radome is sleeved on the frame (5), and the lower metal sheet (12) is extruded and deformed to be tightly overlapped with the mounting surface of the frame, so that the electrical communication is realized.
5. The radome electrical lap joint structure of claim 4, wherein: the U-shaped bonding sheet (1) is made of a metal material with good conductivity and certain toughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769657.2A CN109490841B (en) | 2018-07-13 | 2018-07-13 | Electric lap joint structure of radar antenna housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769657.2A CN109490841B (en) | 2018-07-13 | 2018-07-13 | Electric lap joint structure of radar antenna housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109490841A CN109490841A (en) | 2019-03-19 |
| CN109490841B true CN109490841B (en) | 2023-07-21 |
Family
ID=65689286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810769657.2A Active CN109490841B (en) | 2018-07-13 | 2018-07-13 | Electric lap joint structure of radar antenna housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109490841B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566547A (en) * | 2019-07-26 | 2019-12-13 | 中国航空工业集团公司济南特种结构研究所 | Button type shunt strip root connecting structure |
| CN110556779A (en) * | 2019-07-26 | 2019-12-10 | 中国航空工业集团公司济南特种结构研究所 | Modular reposition of redundant personnel strip is hit in lightning protection |
| CN112086766B (en) * | 2020-08-26 | 2022-11-01 | 中国航空工业集团公司济南特种结构研究所 | Lightning protection shunting bar connecting structure easy to guarantee butt joint gap |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003142918A (en) * | 2001-11-01 | 2003-05-16 | Anten Corp | Aperture antenna |
| JP2007251615A (en) * | 2006-03-16 | 2007-09-27 | Nec Corp | Assembling method of parabolic antenna, assembling jig, and radome attachment fittings |
| CN205429179U (en) * | 2015-12-22 | 2016-08-03 | 中国航空工业集团公司济南特种结构研究所 | Radome electricity overlap joint structure |
| CN107799895A (en) * | 2017-09-12 | 2018-03-13 | 陕西飞机工业（集团）有限公司 | A kind of balance beam profile and direction-finder antenna cover |
| CN207269052U (en) * | 2017-07-14 | 2018-04-24 | 中国航空工业集团公司济南特种结构研究所 | A kind of antenna cover structure |
| CN108183303A (en) * | 2018-03-08 | 2018-06-19 | 湖北三江航天江北机械工程有限公司 | Conformal active radar and passive radar seeker antenna cover and forming method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY174126A (en) * | 2013-03-14 | 2020-03-10 | Bae Systems Plc | Lightning protection system |
| CN105633600A (en) * | 2014-10-28 | 2016-06-01 | 哈尔滨飞机工业集团有限责任公司 | Quick releasing fairing electrical bonding structure |
| CN204424442U (en) * | 2014-11-28 | 2015-06-24 | 四川航空工业川西机器有限责任公司 | High strength airborne radome |
| CN104802981A (en) * | 2015-05-07 | 2015-07-29 | 哈尔滨飞机工业集团有限责任公司 | Lightning protection method of carbon fiber composite material control plane |
-
2018
- 2018-07-13 CN CN201810769657.2A patent/CN109490841B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003142918A (en) * | 2001-11-01 | 2003-05-16 | Anten Corp | Aperture antenna |
| JP2007251615A (en) * | 2006-03-16 | 2007-09-27 | Nec Corp | Assembling method of parabolic antenna, assembling jig, and radome attachment fittings |
| CN205429179U (en) * | 2015-12-22 | 2016-08-03 | 中国航空工业集团公司济南特种结构研究所 | Radome electricity overlap joint structure |
| CN207269052U (en) * | 2017-07-14 | 2018-04-24 | 中国航空工业集团公司济南特种结构研究所 | A kind of antenna cover structure |
| CN107799895A (en) * | 2017-09-12 | 2018-03-13 | 陕西飞机工业（集团）有限公司 | A kind of balance beam profile and direction-finder antenna cover |
| CN108183303A (en) * | 2018-03-08 | 2018-06-19 | 湖北三江航天江北机械工程有限公司 | Conformal active radar and passive radar seeker antenna cover and forming method |
Non-Patent Citations (1)
| Title |
|---|
| 某飞机气象雷达天线罩雷电防护技术的研究;蔡良元;王清海;温磊;崔溢;冯便便;段泽民;;玻璃钢/复合材料(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109490841A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109490841B (en) | Electric lap joint structure of radar antenna housing | |
| US8746611B2 (en) | Lightning protection arrangement for an electronic unit | |
| CN105129100A (en) | Fastening structure and aircraft having this fastening structure | |
| US20100264271A1 (en) | Fittings for attaching the vertical tail stabilizer of an aircraft | |
| CN101896402A (en) | Anti-lightning system and aircraft comprising such a system | |
| CN201479512U (en) | Water-proofing shielding ATR case | |
| CN202642092U (en) | Improved rainproof quick-release port cover | |
| CN103863570A (en) | Lightning conductor system comprising a lightning conductor strip mounted in an offset manner | |
| CN211308755U (en) | New energy automobile flap that charges | |
| CN203681863U (en) | Covering cap capable of effectively transferring load of machine body | |
| CN205353509U (en) | Backplate subassembly and display device who has this backplate subassembly | |
| CN208530511U (en) | A kind of automobile anti-theft remote controller that slit antenna is set | |
| CN208993777U (en) | Fender component and vehicle | |
| CN110566547A (en) | Button type shunt strip root connecting structure | |
| CN215632379U (en) | Back door hinge assembly and vehicle with same | |
| CN203839742U (en) | Rainproof outdoor one-piece electric control cabinet | |
| CN215851837U (en) | Multifunctional opening cover | |
| CN210156443U (en) | Dual waterproof power battery | |
| CN209208869U (en) | A kind of composite material assembly type automobile top cover | |
| CN202389469U (en) | Front pillar B plate | |
| CN210437373U (en) | Lightning protection type full-composite aircraft clamping opening cover structure | |
| CN216085326U (en) | A radome fairing for aircraft satellite antenna | |
| CN206947529U (en) | A kind of function and structure-integrated load frame | |
| CN220180685U (en) | Laser radar mounting structure and vehicle | |
| CN215299491U (en) | Waterproof device for antenna connection airtight box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |