CN211125120U - Dedicated data transmission cable of aerospace - Google Patents
Dedicated data transmission cable of aerospace Download PDFInfo
- Publication number
- CN211125120U CN211125120U CN201921511690.1U CN201921511690U CN211125120U CN 211125120 U CN211125120 U CN 211125120U CN 201921511690 U CN201921511690 U CN 201921511690U CN 211125120 U CN211125120 U CN 211125120U
- Authority
- CN
- China
- Prior art keywords
- layer
- data transmission
- elastic connecting
- cable
- aerospace
- 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
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the field of aerospace cables, in particular to a data transmission cable special for aerospace; the cable comprises a plurality of tinned copper cores, wherein insulating layers are extruded and wrapped on the outer sides of the tinned copper cores, the tinned copper cores are mutually twisted to form a cable core, an inner shielding layer is arranged on the outer side of the cable core, a first filler is arranged between the inner shielding layer and the cable core, an inner sheath layer is arranged on the outer side of the inner shielding layer, and a plurality of springs are fixedly arranged on the circumference of the outer side of the inner sheath layer; the other end of the spring is fixedly connected with the center of the elastic connecting piece, one end of the elastic connecting piece is fixedly connected with the supporting columns, the supporting columns are uniformly embedded on the circumference of the inner side of the high-temperature-resistant layer, a space between the high-temperature-resistant layer and the inner sheath layer is filled with a second filler, and the second filler is made of fireproof daub; the utility model provides a dedicated data transmission cable of aerospace possesses the characteristic that erection joint is convenient and be fit for using at night between high insulating nature, high shielding nature, the cable.
Description
Technical Field
The utility model relates to a cable field for aerospace specifically is a dedicated data transmission cable of aerospace.
Background
The aerospace engineering is a general name of the aerospace engineering and relates to research, design, development, construction and test of aircrafts such as airplanes and the like and spacecrafts such as artificial satellites and the like; the atmospheric pressure of the high-altitude environment is lower than that of the horizontal plane, when the aircraft returns to the ground, the aircraft is subjected to air resistance in the movement process due to the fact that the earth surface has a thick atmosphere layer, friction is generated between the aircraft and air, the temperature is increased rapidly, and once a data transmission cable arranged on the aircraft burns, the consequences can be serious; and as the cable is closer to the ground, the data transmission cable is extruded by the ground pressure and is easy to deform. The structure of the existing data transmission cable is difficult to adapt to the changing external environment.
Therefore, the utility model provides a dedicated data transmission cable of aerospace possesses anti extrusion, high fire-retardant characteristic.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dedicated data transmission cable of aerospace to solve the problem that the anti extrudability of the current data transmission cable that proposes in the above-mentioned background art is lower with fire-retardant characteristic, is difficult to be suitable for changeable atmospheric pressure environment.
In order to achieve the above object, the utility model provides a following technical scheme: a data transmission cable special for aerospace comprises a plurality of tinned copper cores, wherein insulating layers are extruded on the outer sides of the tinned copper cores, the tinned copper cores are mutually twisted to form a cable core, an inner shielding layer is arranged on the outer side of the cable core, a first filler is arranged between the inner shielding layer and the cable core, and the first filler is asbestos powder; an inner sheath layer is arranged on the outer side of the inner shielding layer, and a plurality of springs are fixedly arranged on the circumference of the outer side of the inner sheath layer; the springs are uniformly arranged on the outer circumference of the inner sheath layer; the other end of the spring is fixedly connected with the center of the elastic connecting piece, and the number of the elastic connecting pieces is equal to that of the springs; one end of the elastic connecting piece is fixedly connected with supporting columns, the number of the supporting columns is equal to that of the springs, the supporting columns are uniformly embedded on the circumference of the inner side of the high-temperature-resistant layer, semicircular grooves are formed in positions corresponding to the inner side of the high-temperature-resistant layer, and rubber inner layers are fixedly arranged in the semicircular grooves; the high-temperature resistant layer is made of a ceramic fiber cotton material; and a space between the high-temperature-resistant layer and the inner sheath layer is filled with a second filler, and the second filler is fireproof daub.
Furthermore, the insulating layer is made of cross-linked polyethylene material, the cross-linked polyethylene has good insulating property, and toxic gas containing elements such as fluorine, chlorine, bromine and iodine cannot be generated during combustion.
Furthermore, the inner shielding layer is made of an aluminum-plastic composite tape, and the aluminum-plastic composite tape is produced in a wrapping mode, so that electromagnetic interference between tinned copper cores inside the cable is avoided.
Further, the inner sheath layer is made of an aluminum foil material, the shielding property of the tinned copper core is further improved by the aluminum foil material, and the inner sheath layer has certain hardness.
Further, the cross section of the elastic connecting piece is rectangular; the elastic connecting piece is a thin copper sheet, the thickness of the elastic connecting piece is 2 millimeters, and the copper sheet has elasticity, so that when the cable is extruded, a part of impact force can be buffered, and internal deformation is prevented.
Furthermore, 2 supporting grooves are formed in the supporting column, and one end of each elastic connecting piece is clamped inside each supporting groove, so that the supporting column and the elastic connecting pieces are more conveniently fixedly connected.
Furthermore, an outer sheath layer is arranged on the outer side of the high-temperature-resistant layer and made of a silicon rubber material, and the silicon rubber is high-temperature-resistant, has certain elasticity and absorbs external impact force.
Compared with the prior art, the beneficial effects of the utility model are that:
1. a plurality of springs are fixedly arranged on the outer circumference of the inner sheath layer; the springs are uniformly arranged on the outer circumference of the inner sheath layer; the other end of the spring is fixedly connected with the center of the elastic connecting piece, and the number of the elastic connecting pieces is equal to that of the springs; one end of the elastic connecting piece is fixedly connected with the supporting columns, the supporting columns can enhance the structure in the cable and enhance the anti-extrusion property of the cable, the number of the supporting columns is equal to that of the springs, and the supporting columns are uniformly embedded on the inner circumference of the high-temperature-resistant layer; when the cable receives atmospheric pressure extrusion, transmit to the support column and the impact force that elastic connector threatened can by the spring absorbs, and then improves the anti extrusion characteristic of cable. The high-temperature resistant layer is made of a ceramic fiber cotton material; and a space between the high-temperature-resistant layer and the inner sheath layer is filled with a second filler, and the second filler is fireproof daub.
2. An insulating layer is coated on the outer side of the tinned copper core, so that the cable has good insulating property; a filling layer is arranged between the insulating layer and the tinned copper core, so that the fireproof and flame-retardant characteristics of the cable are improved, and the cable is safer to use; the outside of insulating layer has the shielding layer around the package, prevents that the cable from receiving external power signal's electromagnetic interference.
3. A first filler is arranged between the inner shielding layer and the cable core, and the first filler is asbestos powder; the asbestos powder has the flame retardant characteristic, and prevents the plurality of cable cores from being subjected to cross combustion.
Drawings
Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
In the figure: 1. tinned copper cores; 2. an insulating layer; 3. a first filler; 4. an inner shield layer; 5. an inner jacket layer; 6. a spring; 7. an elastic connecting member; 8. a support pillar; 801. a support groove; 9. an inner rubber layer; 10. a second filler; 11. a high temperature resistant layer; 12. an outer jacket layer.
Detailed Description
The present invention will be further described with reference to the following embodiments, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed or movable connections or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-2, a data transmission cable special for aerospace comprises 2 tinned copper cores 1, an insulating layer 2 is extruded and wrapped on the outer sides of the tinned copper cores 1, the 2 tinned copper cores 1 are twisted with each other to form a cable core, an inner shielding layer 4 is arranged on the outer side of the cable core, a first filler 3 is arranged between the inner shielding layer 4 and the cable core, and the first filler 3 is asbestos powder; an inner sheath layer 5 is arranged on the outer side of the inner shielding layer 4, and 4 springs 6 are fixedly arranged on the circumference of the outer side of the inner sheath layer 5; 4 springs 6 are uniformly arranged on the outer circumference of the inner sheath layer 5; the other end of the spring 6 is fixedly connected with the center of the elastic connecting piece 7, and the number of the elastic connecting pieces 7 is equal to that of the springs 6; one end of the elastic connecting piece 7 is fixedly connected with the supporting columns 8, the number of the supporting columns 8 is equal to that of the springs 6, 4 supporting columns 8 are uniformly embedded on the circumference of the inner side of the high-temperature-resistant layer 11, semicircular grooves are formed in positions corresponding to the inner side of the high-temperature-resistant layer 11, and rubber inner layers 9 are fixedly arranged inside the semicircular grooves; the high-temperature resistant layer 11 is made of a ceramic fiber cotton material; the space between the high temperature resistant layer 11 and the inner sheath layer 5 is filled with a second filler 10, and the second filler 10 is made of fireproof daub.
Specifically, referring to fig. 1-2, the insulating layer 2 is made of cross-linked polyethylene, which has good insulating properties and does not generate toxic gases containing fluorine, chlorine, bromine, iodine, etc. during combustion.
Specifically, referring to fig. 1-2, the inner shielding layer 4 is made of an aluminum-plastic composite tape, and the aluminum-plastic composite tape is produced in a wrapping manner, so that electromagnetic interference among 2 tinned copper cores 1 in the cable is avoided.
Specifically, referring to fig. 1-2, the inner sheath layer 5 is made of an aluminum foil material, which further improves the shielding property of the tin-plated copper core 1 and has a certain hardness.
Specifically, referring to fig. 1-2, the cross section of the elastic connecting member 7 is rectangular; the elastic connecting piece 7 is a thin copper sheet, the thickness of the elastic connecting piece 7 is 2 mm, and the copper sheet has elasticity, so that when the cable is extruded, a part of impact force can be buffered, and internal deformation is prevented.
Specifically, referring to fig. 1-2, 2 supporting grooves 801 are formed in the supporting column 8, and one end of the elastic connecting member 7 is clamped inside the supporting grooves 801, so that the supporting column 8 and the elastic connecting member 7 are more conveniently fixedly connected.
Specifically, referring to fig. 1-2, an outer sheath layer 12 is disposed outside the high temperature resistant layer 11, and the outer sheath layer 12 is made of a silicon rubber material, which is high temperature resistant and has a certain elasticity to absorb external impact.
According to above embodiment, when external atmospheric pressure grow, on external impact force transmitted oversheath layer 12, high temperature resistant layer 11 and the support column 8 that is located high temperature resistant layer 11 inboard in proper order, absorbed by spring 6 through elastic connection 7, finally transmitted the impact force that is located the inside tinned copper core 1 of inner sheath layer 5 and will be reduced by a wide margin, promoted the anti extrusion characteristic of cable. The oversheath layer 12 adopts the silicon rubber material to make, and high temperature resistant layer 11 adopts ceramic fiber cotton to and the first filler 3 and the second filler 10 that set up in the cable inside all have fire-retardant characteristic, prevent that high temperature from arousing that the cable takes place the burning, and multi-level, the three-dimensional protection of many materials sets up, makes the cable possess higher fire-retardant characteristic
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a dedicated data transmission cable of aerospace, includes several tinned copper cores (1), its characterized in that: an insulating layer (2) is extruded and coated on the outer side of the tinned copper core (1), a plurality of tinned copper cores (1) are mutually twisted to form a cable core, an inner shielding layer (4) is arranged on the outer side of the cable core, a first filler (3) is arranged between the inner shielding layer (4) and the cable core, and the first filler (3) is asbestos powder; an inner sheath layer (5) is arranged on the outer side of the inner shielding layer (4), and a plurality of springs (6) are fixedly arranged on the circumference of the outer side of the inner sheath layer (5); the plurality of springs (6) are uniformly arranged on the outer circumference of the inner sheath layer (5); the other end of the spring (6) is fixedly connected with the center of the elastic connecting piece (7), and the number of the elastic connecting pieces (7) is equal to that of the springs (6); one end of the elastic connecting piece (7) is fixedly connected with supporting columns (8), the number of the supporting columns (8) is equal to that of the springs (6), a plurality of the supporting columns (8) are uniformly embedded on the circumference of the inner side of the high-temperature resistant layer (11), semicircular grooves are formed in the positions, corresponding to the inner side of the high-temperature resistant layer (11), of the inner side of the semicircular grooves, and rubber inner layers (9) are fixedly arranged inside the semicircular grooves; the high-temperature resistant layer (11) is made of a ceramic fiber cotton material; and a space between the high-temperature-resistant layer (11) and the inner sheath layer (5) is filled with a second filler (10), and the second filler (10) is made of fireproof daub.
2. The aerospace specific data transmission cable of claim 1, wherein: the insulating layer (2) is made of a cross-linked polyethylene material.
3. The aerospace specific data transmission cable of claim 1, wherein: the inner shielding layer (4) is made of an aluminum-plastic composite belt.
4. The aerospace specific data transmission cable of claim 1, wherein: the outer side of the inner shielding layer (4) is provided with an inner sheath layer (5), and the inner sheath layer (5) is made of an aluminum foil material.
5. The aerospace specific data transmission cable of claim 1, wherein: the cross section of the elastic connecting piece (7) is rectangular; the elastic connecting piece (7) is a thin copper sheet, and the thickness of the elastic connecting piece (7) is 2 mm.
6. The aerospace specific data transmission cable of claim 1, wherein: the support column (8) is provided with 2 support grooves (801), and one end of the elastic connecting piece (7) is clamped inside the support grooves (801).
7. The aerospace specific data transmission cable of claim 1, wherein: an outer sheath layer (12) is arranged on the outer side of the high-temperature-resistant layer (11), and the outer sheath layer (12) is made of a silicon rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921511690.1U CN211125120U (en) | 2019-09-11 | 2019-09-11 | Dedicated data transmission cable of aerospace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921511690.1U CN211125120U (en) | 2019-09-11 | 2019-09-11 | Dedicated data transmission cable of aerospace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211125120U true CN211125120U (en) | 2020-07-28 |
Family
ID=71703859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921511690.1U Active CN211125120U (en) | 2019-09-11 | 2019-09-11 | Dedicated data transmission cable of aerospace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211125120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114758827A (en) * | 2022-04-28 | 2022-07-15 | 安徽埃克森科技集团有限公司 | Parallel ultrahigh frequency transmission cable for aerospace |
-
2019
- 2019-09-11 CN CN201921511690.1U patent/CN211125120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114758827A (en) * | 2022-04-28 | 2022-07-15 | 安徽埃克森科技集团有限公司 | Parallel ultrahigh frequency transmission cable for aerospace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211376289U (en) | Medium-voltage power cable for rail transit | |
| CN211125120U (en) | Dedicated data transmission cable of aerospace | |
| CN215577826U (en) | Fire-resistant power cable with cross-linked polyethylene insulating flame-retardant polyvinyl chloride sheath | |
| CN201149782Y (en) | Fire resistant cable for nuclear power plant | |
| CN215770643U (en) | Busbar connecting piece | |
| CN1020130C (en) | Optical fiber cable for use in high temperature contaiminating enviroment | |
| CN212934212U (en) | Anti-twisting cable | |
| CN113805294A (en) | Resistance to compression optical cable | |
| CN212322715U (en) | Light-weight composite low-voltage power flexible cable for 10MW offshore wind power device | |
| CN205645390U (en) | Third generation is instrument cable for nuclear power station | |
| CN210167155U (en) | High-strength composite cable insulating layer | |
| CN209947474U (en) | Novel high temperature resistant waterproof and moistureproof cable | |
| CN208489038U (en) | A kind of cross-linked polrvinyl chloride insulation PVC sheath power cable | |
| CN205645366U (en) | Third generation is low voltage power cable for nuclear power station | |
| CN214753108U (en) | Water-blocking moistureproof heat-resistant cable | |
| CN210015735U (en) | Cable for power generation system | |
| CN109148019A (en) | A kind of fire protection flame retarding silicone rubber for cable | |
| CN210039699U (en) | Anti-radiation cable | |
| CN210896707U (en) | Stretch-proof flame-retardant water-blocking cable | |
| CN210039735U (en) | High-temperature-resistant and fire-resistant cable | |
| CN211150171U (en) | High insulation resistance easily installs fireproof cable | |
| CN216749422U (en) | Anti-interference flame-retardant cable | |
| CN211788306U (en) | Fire-resistant power cable | |
| CN211628738U (en) | Polyolefin insulation low-smoke halogen-free flame-retardant fire-resistant cable | |
| CN205247966U (en) | Increase high life electric power communication composite cable of effect of buckling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |