CN214111781U - Electromagnetic shielding, temperature resistant and flexible composite heat-proof sleeve - Google Patents
Electromagnetic shielding, temperature resistant and flexible composite heat-proof sleeve Download PDFInfo
- Publication number
- CN214111781U CN214111781U CN202022833355.2U CN202022833355U CN214111781U CN 214111781 U CN214111781 U CN 214111781U CN 202022833355 U CN202022833355 U CN 202022833355U CN 214111781 U CN214111781 U CN 214111781U
- Authority
- CN
- China
- Prior art keywords
- layer
- coating
- heat
- sleeve
- electromagnetic shielding
- 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
- Paints Or Removers (AREA)
Abstract
The utility model provides an electromagnetic shielding, temperature resistant and flexible composite heat-proof sleeve, which is divided into eight layers from inside to outside, wherein the first layer is made of silicone rubber tube as framework material; the second layer is a blended weaving layer and consists of aramid filaments and stainless steel metal twisted wires; the third layer is a glass fiber braided tube; the fourth layer is a low heat conduction coating layer; the fifth layer is a phase change energy storage coating layer; the sixth layer is a flexible special anti-heat insulation coating layer; the seventh layer is a rapid heat-conducting silica gel layer; the eighth layer is an aluminum-plated layer. The utility model discloses the manufacturing method of above-mentioned sleeve pipe is provided simultaneously. The sleeve has the characteristics of electromagnetic shielding, temperature cycle resistance, softness, heat resistance and the like.
Description
Technical Field
The utility model relates to a thermal protection material of instrument, electric connector, equipment for the space flight, concretely relates to cable, heart yearn on the aircraft carry out possessing electromagnetic shield, temperature resistant follow, flexible compound heat-proof sleeve pipe that protects.
Background
According to the requirements of a certain type of aircraft, a heat-proof sleeve which is provided with electromagnetic shielding and used for protecting cables and core wires is developed, and the sleeve is required to be 128kW/m2Under the condition of heat flow, the temperature rise of the outer surfaces of the cable and the core wire in the inner tube is kept to be not higher than 82 ℃ within 69 seconds, and after the circulation is carried out for 30 times under the environment of high temperature, high humidity and low temperature, the surface of the coating does not crack and the heat resistance is not influenced. The temperature cycle requirements are as follows:
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an electromagnetic shield, temperature resistant follow flexible compound heat protection sleeve pipe.
In order to solve the technical problem, the utility model discloses a technical scheme about electromagnetic shield, temperature resistant follow flexible compound heat protection sleeve pipe is: an electromagnetic shielding and temperature-resistant flexible composite heat-proof sleeve is divided into eight layers from inside to outside, wherein the first layer is made of a silicone rubber tube as a framework material; the second layer is a blended weaving layer and consists of aramid filaments and stainless steel twisted wires; the third layer is a glass fiber braided tube; the fourth layer is a low heat conduction coating layer; the fifth layer is a phase change energy storage coating layer; the sixth layer is a flexible special anti-heat insulation coating layer; the seventh layer is a rapid heat-conducting silica gel layer; the eighth layer is an aluminum-plated layer.
Preferably, the thickness of the aluminum-plated layer is 0.04um to 0.08 um.
More preferably, the aramid fiber yarn is 1414 gray aramid fiber yarn with the specification of 200D and the twist degree of 180, and the stainless steel twisted yarn is 12um stainless steel glass fiber twisted yarn.
The utility model discloses a manufacturing method about above-mentioned electromagnetic shield, temperature resistant follow flexible compound heat protection sleeve pipe includes following process steps:
a. plugging two ends of the silicone rubber tube by using plugs, tightening by using binding wires, and inflating until the silicone rubber tube is round;
b. stranding 2 strands of aramid fiber yarns and 1 strand of stainless steel twisted yarns, and putting into a high-speed braiding machine;
c. weaving a layer of blended aramid fiber silk and stainless steel twisted wire weaving layer outside the silicone rubber tube;
d. weaving a 0.15mm glass fiber layer on the outer layer to prepare a composite sleeve;
e. filtering the prepared low-heat-conductivity coating, pouring the filtered low-heat-conductivity coating into a dipping tank of a vertical gluing machine, and repeatedly dipping and coating the composite sleeve in the dipping tank until the thickness of the coating reaches 0.2 mm;
f. baking and curing the composite sleeve after repeated dip coating;
g. filtering the prepared phase change energy storage coating, pouring the filtered phase change energy storage coating into a dipping tank of a vertical gluing machine, and repeatedly dipping and coating the composite sleeve in the dipping tank until the thickness of the coating reaches 0.3 mm;
h. baking and curing the composite sleeve after repeated dip coating;
i. filtering the prepared flexible special heat-proof and heat-insulating coating, pouring the filtered flexible special heat-proof and heat-insulating coating into a dipping tank of a vertical gluing machine, and repeatedly dip-coating the composite sleeve in the dipping tank until the thickness of the coating reaches 0.6 mm;
j. baking and curing the composite sleeve after repeated dip coating;
k. filtering the prepared rapid heat-conducting silica gel, pouring the filtered rapid heat-conducting silica gel into a dipping tank of a vertical gluing machine, and repeatedly dipping and coating the composite sleeve in the dipping tank until the thickness of the coating reaches 0.3 mm;
baking and curing the composite sleeve after repeated dip coating;
m, placing the composite sleeve covered with the coating after baking and curing in a vacuum evaporation coating machine, and vacuumizing;
n, when the vacuum degree reaches 1.0 multiplied by 10～2pa～1.0×10～4And after pa, starting vacuum evaporation and winding for coating, wherein the coating target material adopts an aluminum ingot with the purity of 99.5 percent, and the coating is stopped after the aluminum plating thickness reaches 0.04-0.08 um.
Preferably, the method for dip-coating the low-thermal-conductivity coating/the phase-change energy storage coating/the flexible special heat-proof and heat-insulating coating/the rapid thermal-conductivity silica gel in the steps 5, 7, 9 and 11 comprises the following steps: adding the filtered low-heat-conduction coating/phase-change energy storage coating/flexible special heat-insulation-preventing coating/quick heat-conduction silica gel into a dipping tank of a vertical gluing machine, starting an electric speed regulation meter, controlling the rotating speed to be 150-260 r/min, and circulating the composite sleeve on the vertical gluing machine for 35-50 min for one circle; discharging the residual low-heat-conduction coating/phase change energy storage coating/flexible special heat-proof and heat-insulation coating/quick heat-conduction silica gel in the oil groove after each dip-coating, cleaning the oil groove, polishing the sleeve once by using fine abrasive paper, smoothing the surface of the sleeve, wiping the surface excess with clean dust-free cloth without obvious flow marks, and then performing dip-coating for the second time; the second dip coating repeats the foregoing steps.
More preferably, the thickness increase of the low-heat-conduction coating, the phase-change energy storage coating, the flexible special heat-insulation-preventing coating and the rapid heat-conduction silica gel in each dip coating in the steps e, g, i and k is controlled to be 0.02-0.04 mm.
More preferably, in the step e, once every time the composite sleeve is dip-coated with the low-thermal-conductivity coating, the phase-change energy storage coating, the flexible special heat-insulation-preventing coating and the rapid thermal-conductivity silica gel, one-time heating curing is required, and the curing temperature is controlled to be 100-120 ℃.
More preferably, the method for preparing the low thermal conductive coating is as follows: firstly, taking addition type liquid silicone rubber consisting of A, B two components of flowable liquid silica gel, and mixing the component A of liquid silica gel and the silica aerogel powder with the particle size of 2 nm-20 nm according to the mass ratio of 70: (2-5) proportionally adding into mixing equipment and uniformly stirring to obtain a coating A; secondly, mixing the component B, namely liquid silica gel and silica aerogel powder with the particle size of 2 nm-20 nm according to a mass ratio of 70: (2-5) proportionally adding into mixing equipment and uniformly stirring to obtain a coating B; then, mixing AR grade xylene and cyclohexanone according to a mass ratio of 1: 1, mixing to form a mixed solvent, wherein the prepared mixed solvent is used for diluting the coating and adjusting the viscosity; and finally, mixing the coating A and the coating B according to a mass ratio of 1: adding the mixture into a mixing device according to the proportion of 1, stirring uniformly, adding a mixed solvent with the same mass as the paint A or the paint B, and continuously stirring until the mixture is homogeneous, thus obtaining the low-heat-conductivity paint.
More preferably, the method for preparing the phase change energy storage coating comprises the following steps: firstly, taking addition type liquid silicone rubber consisting of A, B two components of flowable liquid silicone rubber, and mixing the component A of liquid silicone rubber and an organic solid-solid phase change material with the phase change temperature of 185 ℃ according to the mass ratio of (20-40): (10-30) putting into mixing equipment in proportion and uniformly stirring to obtain a coating C; secondly, mixing the component B, namely liquid silica gel and an organic solid-solid phase change material with the phase change temperature of 185 ℃ according to the mass ratio (20-40): (10-30) proportionally adding into a mixing device and uniformly stirring to obtain a coating D; then, mixing AR grade xylene and cyclohexanone according to a mass ratio of 1: 1, mixing to form a mixed solvent, wherein the prepared mixed solvent is used for diluting the coating and adjusting the viscosity; and finally, mixing the coating C and the coating D according to a mass ratio of 1: and (3) adding the mixture into mixing equipment according to the proportion of 1, uniformly stirring, adding a mixed solvent with the same mass as that of the coating C or the coating D, and continuously stirring until the mixture is homogeneous, thus obtaining the phase change energy storage coating.
More preferably, the whole process step before coating is carried out in the environment with the temperature of 15-35 ℃ and the relative humidity of not more than 75%.
The electromagnetic shielding and temperature-resistant flexible composite heat-proof sleeve pipe of the utility model uses the silicon rubber pipe as the lining framework to keep the sleeve pipe flexible; the strength and the shielding prevention effect are improved by blending aramid fiber yarns and stainless steel twisted yarns; the glass fiber braided tube is used as a transition layer; the slow heat transfer resistance is realized through the low heat conduction coating; heat storage is realized through the phase change energy storage layer; the flame retardance and the ablation burning-through prevention are realized through the flexible special heat-insulation-preventing coating layer to retard heat transfer; the rapid heat transfer is realized through the rapid heat-conducting silica gel layer, and the heat accumulation is avoided; photon reflection is realized through aluminizing the layer, strengthens the anti-radiation effect, can also realize electromagnetic shield effect through aluminizing, plays isolated effect simultaneously, prevents that moisture from getting into. In addition, the sleeve is processed by the manufacturing process, so that the sleeve has the functions of electromagnetic shielding, temperature circulation resistance and heat resistance, and can meet the requirement that the sleeve is 128kW/m2Under the condition of heat flow, the temperature rise of the outer surfaces of the cable and the core wire in the inner tube is kept for 69 seconds to be not higher than 82 ℃, and after the circulation is carried out for 30 times under the environment of high temperature, high humidity and low temperature, the surface of the coating does not crack, the heat-proof performance is not influenced, and the coating has flexibility.
Drawings
Fig. 1 is a schematic structural diagram in an embodiment of the present invention.
In the figure:
1-first layer 2-second layer 3-third layer
4-fourth layer 5-fifth layer 6-sixth layer
7-seventh layer 8-eighth layer.
Detailed Description
Example 1
As shown in fig. 1, the preferred embodiment of the flexible composite heat-proof sleeve of the present invention relating to electromagnetic shielding and temperature resistance is: an electromagnetic shielding and temperature-resistant flexible composite heat-proof sleeve is divided into eight layers from inside to outside, wherein a first layer 1 is made of a silicone rubber tube as a framework material; the second layer 2 is a blended weaving layer and consists of aramid filaments and stainless steel twisted wires; the third layer 3 is a glass fiber braided tube; the fourth layer 4 is a low thermal conductivity coating layer; the fifth layer 5 is a phase change energy storage coating layer; the sixth layer 6 is a flexible special heat-proof coating layer; the seventh layer 7 is a rapid heat-conducting silica gel layer; the eighth layer 8 is an aluminized layer. Wherein the thickness of the aluminum plating layer is 0.04 um; the aramid yarn can be 1414 gray aramid yarn with the specification of 200D and the twist degree of 180, and the stainless steel twisted yarn can be 12um stainless steel glass fiber twisted yarn.
The manufacturing method of the electromagnetic shielding and temperature-resistant circulating flexible composite heat-proof sleeve comprises the following process steps:
a. plugging two ends of the silicone rubber tube by using plugs, tightening by using binding wires, and inflating until the silicone rubber tube is round;
b. 2 strands of 1414 grey aramid fibers with the specification of 200D and the twist degree of 180 and 1 strand of stainless steel glass fiber twisted wire with the diameter of 12um are plied and put into a high-speed braiding machine;
c. weaving a layer of blended aramid fiber silk and stainless steel twisted wire weaving layer outside the silicone rubber tube;
d. weaving a 0.15mm glass fiber layer on the outer layer to prepare a composite sleeve;
e. filtering the prepared low-heat-conductivity coating, pouring the filtered low-heat-conductivity coating into a dipping tank of a vertical gluing machine, and repeatedly dipping and coating the composite sleeve in the dipping tank until the thickness of the coating reaches 0.2 mm;
f. baking and curing the composite sleeve after repeated dip coating;
g. filtering the prepared phase change energy storage coating, pouring the filtered phase change energy storage coating into a dipping tank of a vertical gluing machine, and repeatedly dipping and coating the composite sleeve in the dipping tank until the thickness of the coating reaches 0.3 mm;
h. baking and curing the composite sleeve after repeated dip coating;
i. filtering the prepared flexible special heat-proof and heat-insulating coating, pouring the filtered flexible special heat-proof and heat-insulating coating into a dipping tank of a vertical gluing machine, and repeatedly dip-coating the composite sleeve in the dipping tank until the thickness of the coating reaches 0.6 mm;
j. baking and curing the composite sleeve after repeated dip coating;
k. filtering the prepared rapid heat-conducting silica gel, pouring the filtered rapid heat-conducting silica gel into a dipping tank of a vertical gluing machine, and repeatedly dipping and coating the composite sleeve in the dipping tank until the thickness of the coating reaches 0.3 mm;
baking and curing the composite sleeve after repeated dip coating;
m, placing the composite sleeve covered with the coating after baking and curing in a vacuum evaporation coating machine, and vacuumizing;
n, when the vacuum degree reaches 1.0 multiplied by 10～2pa～1.0×10～4And after pa, starting vacuum evaporation and winding for coating, wherein the coating target material adopts an aluminum ingot with the purity of 99.5 percent, and the coating is stopped after the aluminum plating thickness reaches 0.04 um.
Preferably, the method for dip-coating the low-thermal-conductivity coating/the phase-change energy storage coating/the flexible special heat-insulation-preventing coating/the rapid thermal-conductivity silica gel in the steps e, g, i and k comprises the following steps: adding the filtered low-heat-conduction coating/phase-change energy storage coating/flexible special heat-insulation-preventing coating/quick heat-conduction silica gel into a dipping tank of a vertical gluing machine, starting an electric speed regulation meter, controlling the rotating speed to be 150-260 r/min, and circulating the composite sleeve on the vertical gluing machine for 35-50 min for one circle; discharging the residual low-heat-conduction coating/phase change energy storage coating/flexible special heat-proof and heat-insulation coating/quick heat-conduction silica gel in the oil groove after each dip-coating, cleaning the oil groove, polishing the sleeve once by using fine abrasive paper, smoothing the surface of the sleeve, wiping the surface excess with clean dust-free cloth without obvious flow marks, and then performing dip-coating for the second time; the second dip coating repeats the foregoing steps.
Preferably, the thickness increase of the low-heat-conduction coating, the phase-change energy storage coating, the flexible special heat-insulation-preventing coating and the rapid heat-conduction silica gel in each dip coating in the steps e, g, i and k is controlled to be 0.02-0.04 mm.
Preferably, in the step e, once every time the composite sleeve is dipped and coated with the low-thermal-conductivity coating, the phase-change energy storage coating, the flexible special heat-insulation-preventing coating and the rapid thermal-conductivity silica gel, the temperature is raised and cured once, and the curing temperature is controlled to be 100-120 ℃.
Preferably, the method for preparing the low thermal conductive coating comprises the following steps: firstly, adding A, B two-component flowable liquid silica gel into a mixing device according to the mass ratio of 70:2 to stir evenly, so as to obtain a coating A; secondly, putting the component B, namely the liquid silica gel and the silicon dioxide aerogel powder with the particle size of 2 nm-20 nm into mixing equipment according to the mass ratio of 70:2, and uniformly stirring to obtain a coating B; then, mixing AR grade xylene and cyclohexanone according to a mass ratio of 1: 1, mixing to form a mixed solvent, wherein the prepared mixed solvent is used for diluting the coating and adjusting the viscosity; and finally, mixing the coating A and the coating B according to a mass ratio of 1: adding the mixture into a mixing device according to the proportion of 1, stirring uniformly, adding a mixed solvent with the same mass as the paint A or the paint B, and continuously stirring until the mixture is homogeneous, thus obtaining the low-heat-conductivity paint.
Preferably, the method for preparing the phase change energy storage coating comprises the following steps: firstly, taking addition type liquid silicone rubber consisting of A, B two components of flowable liquid silicone rubber, and mixing the component A of liquid silicone rubber and an organic solid-solid phase change material with the phase change temperature of 185 ℃ according to the mass ratio of 20: adding the mixture into a mixing device at a ratio of 10, and uniformly stirring to obtain a coating C; secondly, mixing the component B, namely liquid silica gel and an organic solid-solid phase change material with the phase change temperature of 185 ℃ according to the mass ratio of 20: adding the mixture into a mixing device at a ratio of 10, and uniformly stirring to obtain a coating D; then, mixing AR grade xylene and cyclohexanone according to a mass ratio of 1: 1, mixing to form a mixed solvent, wherein the prepared mixed solvent is used for diluting the coating and adjusting the viscosity; and finally, mixing the coating C and the coating D according to a mass ratio of 1: and (3) adding the mixture into mixing equipment according to the proportion of 1, uniformly stirring, adding a mixed solvent with the same mass as that of the coating C or the coating D, and continuously stirring until the mixture is homogeneous, thus obtaining the phase change energy storage coating.
Preferably, the whole process step before coating is carried out in the environment with the temperature of 15-35 ℃ and the relative humidity of not more than 75%.
The method for preparing the flexible special heat-proof and heat-insulating coating comprises the following steps: firstly, adding A, B two-component flowable liquid silicone rubber into addition type liquid silicone rubber, and adding A-component liquid silicone rubber, a silicone rubber flame retardant, AR-level zinc borate, AR-level aluminum hydroxide and 2-20 nm-particle size silicon dioxide aerogel powder into mixing equipment according to the mass ratio of (36-42: 10-15: 3-6: 0.1-0.2) to stir uniformly to obtain an E coating; secondly, adding the component B, namely liquid silica gel, a silica gel flame retardant, AR-grade zinc borate, AR-grade aluminum hydroxide and 2-20 nm-particle size silicon dioxide aerogel powder into mixing equipment according to the mass ratio of (36-42: 10-15: 3-6: 0.1-0.2) and uniformly stirring to obtain an F coating; then, mixing AR grade xylene and cyclohexanone according to a mass ratio of 1: 1, mixing to form a mixed solvent, wherein the prepared mixed solvent is used for diluting the coating and adjusting the viscosity; and finally, mixing the E coating and the F coating according to a mass ratio of 1: and (3) adding the mixture into mixing equipment according to the proportion of 1, uniformly stirring, adding a mixed solvent with the same mass as that of the coating E or the coating F, and continuously stirring until the mixture is homogeneous, thus obtaining the flexible special heat-proof and heat-insulating coating.
The method for preparing the rapid heat conduction silica gel comprises the following steps: firstly, mixing AR grade xylene and cyclohexanone according to a mass ratio of 1: 1, mixing to form a mixed solvent; secondly, taking addition type liquid silicone rubber consisting of A, B two-component flowable liquid silicone rubber, uniformly mixing 100 parts of A-component liquid silicone rubber, 30-35 parts of AR-grade aluminum oxide, 15-25 parts of AR-grade magnesium hydroxide, 5-10 parts of boron nitride and 10-15 parts of mixed solvent, then putting the mixture into a grinder to grind, and stopping grinding when the fineness of the coating reaches 25 mu m to obtain a G coating; then, uniformly mixing 100 parts of B component liquid silica gel, 30-35 parts of AR-grade aluminum oxide, 15-25 parts of AR-grade magnesium hydroxide, 5-10 parts of boron nitride and 10-15 parts of mixed solvent, then putting the mixture into a grinder to grind, and stopping grinding when the fineness of the coating reaches below 25 mu m to obtain an H coating; and finally, mixing the G coating and the H coating according to a mass ratio of 1: and (3) adding the mixture into mixing equipment according to the proportion of 1, uniformly stirring, adding a mixed solvent with the same mass as that of the G coating or the H coating, and continuously stirring until the mixture is homogeneous, thus obtaining the rapid heat conduction silica gel.
Example 2
Compared with example 1, the difference is that: the thickness of the aluminum plating layer of the third layer 3 is 0.06 um; in the method for preparing the heat-proof sleeve, the film coating is stopped after the aluminized thickness reaches 0.06um in the step 14; in the method for preparing the low-heat-conductivity coating, the mass ratio of the component A, namely the liquid silica gel, to the silicon dioxide aerogel powder with the particle size of 2 nm-20 nm is 70:3, and the mass ratio of the component B, namely the liquid silica gel, to the silicon dioxide aerogel powder with the particle size of 2 nm-20 nm is 70: 3; in the method for preparing the phase change energy storage coating, the mass ratio of the component A, namely the liquid silica gel, to the organic solid-solid phase change material with the phase change temperature of 185 ℃ is 30: 20, the mass ratio of the B component liquid silica gel to the organic solid-solid phase change material with the phase change temperature of 185 ℃ is 30: 20.
example 3
Compared with example 1, the difference is that: the thickness of the third aluminum-plated layer 3 is 0.08 um; in the method for preparing the heat-proof sleeve, the film coating is stopped after the aluminized thickness reaches 0.08um in the step 14; in the method for preparing the low-heat-conductivity coating, the mass ratio of the component A, namely the liquid silica gel, to the silicon dioxide aerogel powder with the particle size of 2 nm-20 nm is 70:5, and the mass ratio of the component B, namely the liquid silica gel, to the silicon dioxide aerogel powder with the particle size of 2 nm-20 nm is 70: 5; in the method for preparing the phase change energy storage coating, the mass ratio of the component A, namely the liquid silica gel, to the organic solid-solid phase change material with the phase change temperature of 185 ℃ is 40: 30, the mass ratio of the B component liquid silica gel to the organic solid-solid phase change material with the phase change temperature of 185 ℃ is 40: 30.
the electromagnetic shielding and temperature-resistant flexible composite heat-proof sleeve of all the embodiments uses the silicon rubber pipe as the lining framework to keep the sleeve flexible; the strength and the shielding prevention effect are improved by blending aramid fiber yarns and stainless steel twisted yarns; the glass fiber braided tube is used as a transition layer; the slow heat transfer resistance is realized through the low heat conduction coating; heat storage is realized through the phase change energy storage layer; the flame retardance and the ablation burning-through prevention are realized through the flexible special heat-insulation-preventing coating layer to retard heat transfer; the rapid heat transfer is realized through the rapid heat-conducting silica gel layer, and the heat accumulation is avoided; photon reflection is realized by aluminum plating, the anti-radiation effect is enhanced, the electromagnetic shielding effect can be realized by aluminum plating,meanwhile, the insulation effect is achieved, and moisture is prevented from entering. In addition, the sleeve is processed by the manufacturing process, so that the sleeve has the functions of electromagnetic shielding, temperature circulation resistance and heat resistance, and can meet the requirement that the sleeve is 128kW/m2Under the condition of heat flow, the temperature rise of the outer surfaces of the cable and the core wire in the inner tube is kept for 69 seconds to be not higher than 82 ℃, and after the circulation is carried out for 30 times under the environment of high temperature, high humidity and low temperature, the surface of the coating does not crack, the heat-proof performance is not influenced, and the coating has flexibility.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.
In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.
Claims (3)
1. The utility model provides an electromagnetic shield, temperature resistant follow flexible compound heat protection sleeve pipe which characterized in that: the sleeve is divided into eight layers from inside to outside, wherein the first layer is made of a silicone rubber tube as a framework material; the second layer is a blended weaving layer and consists of aramid filaments and stainless steel twisted wires; the third layer is a glass fiber braided tube; the fourth layer is a low heat conduction coating layer; the fifth layer is a phase change energy storage coating layer; the sixth layer is a flexible special anti-heat insulation coating layer; the seventh layer is a rapid heat-conducting silica gel layer; the eighth layer is an aluminum-plated layer.
2. The electromagnetic shielding, temperature-resistant circulating flexible composite heat-proof bushing of claim 1, wherein: the thickness of the aluminized layer is 0.04 um-0.08 um.
3. The electromagnetic shielding, temperature-resistant circulating flexible composite heat-proof bushing of claim 1, wherein: the aramid fiber yarn is 1414 gray aramid fiber yarn with the specification of 200D and the twist of 180, and the stainless steel twisted yarn is 12-micrometer stainless steel glass fiber twisted yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022833355.2U CN214111781U (en) | 2020-12-01 | 2020-12-01 | Electromagnetic shielding, temperature resistant and flexible composite heat-proof sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022833355.2U CN214111781U (en) | 2020-12-01 | 2020-12-01 | Electromagnetic shielding, temperature resistant and flexible composite heat-proof sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214111781U true CN214111781U (en) | 2021-09-03 |
Family
ID=77508089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022833355.2U Active CN214111781U (en) | 2020-12-01 | 2020-12-01 | Electromagnetic shielding, temperature resistant and flexible composite heat-proof sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214111781U (en) |
-
2020
- 2020-12-01 CN CN202022833355.2U patent/CN214111781U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112406221A (en) | Electromagnetic shielding and temperature-resistant circulating flexible composite heat-proof sleeve and preparation method thereof | |
| US11001696B2 (en) | UV-resistant superhydrophobic coating compositions | |
| CN106536642B (en) | Curable two parts coating for conductor | |
| CN109397802B (en) | Flexible composite heat-proof sleeve and application thereof | |
| CN108384479B (en) | Adhesive of high thermal conductivity low resin mica tape and preparation method thereof and low resin mica tape | |
| CN104051082B (en) | The production technology of the wrapped sintered electromagnetic wire of Double-layer polyester glass fibre | |
| CN107760194A (en) | A kind of anti-heat insulating coat of silicon rubber base and preparation method thereof | |
| CN110551449A (en) | high-temperature-resistant insulating impregnating varnish and preparation method and application thereof | |
| CN218768804U (en) | Scouring-resistant heat-insulation-preventing composite casing pipe | |
| CN214111781U (en) | Electromagnetic shielding, temperature resistant and flexible composite heat-proof sleeve | |
| CN102364589A (en) | High-temperature-resistant electric wire and preparation process thereof | |
| CN205451803U (en) | Multicore polyimide insulating composite film graphite coating sheath communication cable | |
| CN103985463A (en) | High-strength special winding wire | |
| CN107342127A (en) | A kind of high temperature resistant radiation hardness waterproof electromagnetic wire and preparation method thereof | |
| CN108597640A (en) | A kind of silicone insulation car high-voltage flexible cable and its manufacturing method | |
| CN114914021A (en) | Scouring-resistant heat-insulation-preventing composite casing pipe and preparation method thereof | |
| WO2018003043A1 (en) | Coil for rotating electrical machine, method for producing coil for rotating electrical machine, mica tape, method for producing mica tape, cured product of mica tape, and insulating material | |
| CN112406220B (en) | Flexible and light composite heat-proof sleeve and preparation method thereof | |
| CN115527708A (en) | High-temperature-resistant cable core for aerospace, cable and preparation method | |
| CN114974718A (en) | Light composite shielding sleeve and preparation method thereof | |
| CN107358999B (en) | A kind of electromagnetic shielding cable | |
| JP6104123B2 (en) | Coil manufacturing method for electrical equipment | |
| CN218159729U (en) | Light composite shielding sleeve | |
| CN1832637A (en) | Modified processing method of carbon fibre electrothermal wire | |
| CN216749573U (en) | Enameled stranded wire and transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |