CN112736511A - Cable connection structure and manufacturing method thereof - Google Patents
Cable connection structure and manufacturing method thereof Download PDFInfo
- Publication number
- CN112736511A CN112736511A CN202011353897.8A CN202011353897A CN112736511A CN 112736511 A CN112736511 A CN 112736511A CN 202011353897 A CN202011353897 A CN 202011353897A CN 112736511 A CN112736511 A CN 112736511A
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- cable
- housing
- sealing
- connection structure
- cable connection
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 88
- 239000010410 layer Substances 0.000 claims abstract description 68
- 239000000565 sealant Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000012945 sealing adhesive Substances 0.000 claims abstract description 17
- 238000005245 sintering Methods 0.000 claims description 32
- 239000011810 insulating material Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
Abstract
The invention relates to a cable connection structure and a manufacturing method thereof. The cable connection structure comprises a cable, an electric connector, a first sealing adhesive layer and a second sealing adhesive layer. The first housing is hermetically connected to the second housing, so that the end of the first housing can be well sealed. Due to the close contact of the glass frit structure with the end of the cable, a good sealing of the end of the cable is achieved. The glass frit structure is in close contact with the inner wall of the second housing so that the side of the glass frit structure is well sealed. The junction of the core wire and the pin is well sealed within the glass frit structure. The first sealant layer enables further good sealing of the end of the cable. The second sealant layer can further seal the ends of the glass frit structure. Through the cable connection structure, an integrated and reliable sealing structure is formed at the joint of the cable and the electric connector, so that the sealing performance of the cable is well improved.
Description
Technical Field
The invention relates to the technical field of cable connection, in particular to a cable connection structure and a manufacturing method thereof.
Background
The common cables are mostly organic cables and common electric connectors, the common electric connectors are generally made of plastic, and the organic cables and the common electric connectors are mostly sealed by glue pouring. Under the severe environmental conditions of high temperature, high humidity, high radiation and the like in the containment vessel of the nuclear power station and the requirement of 60 years of design life, the organic cable, the plastic insulator and the sealant have larger failure possibility, and the traditional sealing mode of the organic cable, the plastic insulator and the sealant is not applicable any more. Moreover, the traditional cable and the electric connector have poor sealing reliability, and sealing requirements under severe accident working conditions and earthquake resistant requirements under earthquake condition working conditions are difficult to meet.
Disclosure of Invention
Therefore, it is necessary to provide a cable connection structure with good sealing performance and a manufacturing method thereof, aiming at the problem that the traditional cable and electric connector have poor sealing reliability.
The embodiment of the application provides a cable junction structure, includes:
a cable including a first jacket, a plurality of core wires, and an insulating material, the plurality of core wires and the insulating material being each located inside the first jacket, the insulating material being filled between adjacent ones of the core wires and between the core wires and an inner wall of the first jacket;
the electric connector is fixedly connected with one end of the cable and comprises a second shell, a glass sintering structure and a plurality of contact pins; the second shell is connected with the first shell in a sealing way; the glass sintering structure and the contact pin are both positioned in the second shell, the glass sintering structure is connected with the inner wall of the second shell in a sealing mode, and the glass sintering structure is connected with the end portion of the cable in a sealing mode; the contact pins are electrically connected with the core wires and correspond to the core wires one by one, and the connection parts of the contact pins and the core wires are sealed in the glass sintering structure;
the first sealing glue layer is coated at one end, close to the glass sintering structure, of the cable; and
and the second sealing glue layer is coated at one end of the glass sintering structure, which is back to the cable.
In the cable connection structure, the first housing is hermetically connected with the second housing, so that the end of the first housing can be well sealed. Due to the close contact of the glass frit structure with the end of the cable, a good sealing of the end of the cable is achieved. The glass sintering structure is in close contact with the inner wall of the second shell, so that the side face of the glass sintering structure is well sealed, and external water vapor and the like can be prevented from flowing to the cable between the side face of the glass sintering structure and the inner wall of the second shell. The junction of the core wire and the pin is well sealed within the glass frit structure. The first sealant layer enables further good sealing of the end of the cable. The second sealant layer can further seal the ends of the glass frit structure. Through foretell cable connection structure, form integrated, reliable seal structure at the junction of cable and electric connector for the sealing performance of cable obtains fine promotion, can satisfy the nuclear power station to the requirement of cable subassembly sealing performance, guarantees the safe operation of nuclear power station.
In one embodiment, the first housing is made of stainless steel; and/or
The second shell is made of stainless steel; and/or
The core wire is made of copper; and/or
The insulating material is magnesium oxide powder, silicon dioxide powder or aluminum oxide powder.
In one embodiment, the first sealant layer is made of Epo-Tek-H77 glue; and/or
The second sealant layer is made of Epo-Tek-H77 glue.
In one embodiment, the inner surface of the first housing is lined with copper.
In one embodiment, the first housing is welded to the second housing; and/or
The core wire is welded with the contact pin.
In one embodiment, the core wire has a first portion located within the first housing and a second portion extending outside the first housing, the second portion being welded to the pin.
In one embodiment, the number of the electrical connectors is two, and the two electrical connectors are fixedly connected with different ends of the cable respectively.
Another embodiment of the present application provides a method for manufacturing a cable connection structure, including the following steps:
coating the first sealant layer on the end of the cable and curing the first sealant layer;
respectively welding core wires of the cables with the corresponding contact pins;
welding the first housing to the second housing;
placing a glass raw material at one end of the cable coated with the first sealing adhesive layer, and forming the glass raw material into a glass sintering structure by adopting a glass sintering process;
and coating the second sealant layer at one end of the glass sintering structure, which is opposite to the cable, and curing the second sealant layer.
In an embodiment, the method for manufacturing the cable connection structure further includes:
after the end part of the cable is coated with the first sealing adhesive layer, baking the first sealing adhesive layer after the first sealing adhesive layer is condensed; and/or the presence of a gas in the gas,
and after the second sealing adhesive layer is coated on one end of the glass sintering structure, which is back to the cable, the second sealing adhesive layer is baked after being condensed.
In one embodiment, the baking temperature for baking the first sealant layer is 115 ℃ to 125 ℃; and/or the presence of a gas in the gas,
the baking temperature for baking the second sealing adhesive layer is 115-125 ℃.
Drawings
FIG. 1 is a schematic structural view of a cable connection structure according to an embodiment;
fig. 2 is a flowchart of a method for manufacturing a cable connection structure according to an embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, an embodiment of the present application provides a cable connection structure 100. The cable connection structure 100 includes: a cable 110, an electrical connector 120, a first sealant layer 130, and a second sealant layer 140.
The cable 110 includes a first sheath 111, a plurality of core wires 112, and an insulating material 113. The plurality of cores 112 and the insulating material 113 are each located inside the first casing 111, and the insulating material 113 is filled between the adjacent cores 112 and between the cores 112 and the inner wall of the first casing 111.
Specifically, the material used for the first housing 111 may be stainless steel. The first housing 111 serves as a housing for the cable 110 and serves to protect the internal components of the cable 110.
The number of the core wires 112 may be multiple, and may be set according to actual requirements. Three core wires 112 are shown in fig. 1. The core 112 may be a copper core for transmitting signals or power supply.
The insulating material 113 may be magnesium oxide powder, silicon dioxide powder, or aluminum oxide powder, and has good insulating properties. The insulating material 113 is filled between the core wires 112 and the inner wall of the first sheath 111 and between the adjacent core wires 112, for insulating the core wires 112 from the first sheath 111 and insulating between the adjacent core wires 112, so that it is possible to provide the cable 110 with a better insulating property. In addition, the insulating material 113 can serve as a structure for supporting the inner space of the cable 110, so that the cable 110 is not easily deformed due to extrusion and other reasons, and short circuit caused by contact between different core wires 112 due to extrusion or other factors can be avoided.
Specifically, the method of processing the cable 110 through the first sheath 111, the core wire 112 and the insulating material 113 is prior art and will not be described herein.
The electrical connector 120 is fixedly connected to one end of the cable 110. The electrical connector 120 includes a second housing 121, a glass frit structure 122, and a plurality of pins 123. The second housing 121 is hermetically connected to the first housing 111. The glass frit structure 122 and the pins 123 are located inside the second housing 121. The glass frit 122 is hermetically connected to the inner wall of the second housing 121. And the glass frit structure 122 is sealingly connected to the end of the cable 110. A plurality of pins 123 are fixed on the glass frit structure 122, and the pins 123 are electrically connected with the core wires 112 and correspond to one another.
Specifically, the material used for the second housing 121 may be stainless steel. The second housing 121 serves as a housing for the electrical connector 120 and serves to protect the internal components of the electrical connector 120. The first housing 111 and the second housing 121 can be hermetically connected by welding, so that the joint of the first housing 111 and the second housing 121 can be well sealed.
As shown in fig. 1, the core wire 112 has a first portion 1121 located inside the first housing 111 and a second portion 1122 protruding out of the first housing 111. The first portion 1121 is integral with the second portion 1122. The second portion 1122 of the core wire 112 may be soldered to the pin 123, so that the core wire 112 may be electrically connected to the pin 123, and signal transmission and power supply may be performed with the core wire 112 through the pin 123. Also, the core wires 112 correspond one-to-one to the pins 123.
As shown in fig. 1, the connection point of the pin 123 and the core wire 112 is fixed inside the glass frit 122, so that the connection point of the pin 123 and the core wire 112 can be reliably sealed inside the glass frit 122. The end of the pin 123 remote from the core wire 112 extends beyond the glass frit 122.
The glass frit structure 122 is in close contact with the end of the cable 110, thereby achieving that the end of the cable 110 is well sealed. The glass frit 122 is in close contact with the inner wall of the second housing 121 so that the side of the glass frit 122 is well sealed.
The first sealant layer 130 is applied to an end of the cable 110 near the glass frit structure 122, so that the first sealant layer 130 can perform further excellent sealing to the end of the cable 110. It will be appreciated that since the first sealant layer 130 is applied to the end of the cable 110, the glass frit structure 122 is actually in close contact with the first sealant layer 130 when in close contact with the end of the cable 110.
A second sealant layer 140 is applied to the end of the glass frit structure 122 facing away from the cable 110, so that the second sealant layer 140 can further seal the end of the glass frit structure 122.
In the cable connection structure 100, the first housing 111 is hermetically connected to the second housing 121, so that the end of the first housing 111 can be well sealed. Since the glass frit structure 122 is in close contact with the end of the cable 110, it is achieved that the end of the cable 110 is well sealed. The glass frit 122 is in close contact with the inner wall of the second housing 121, so that the side of the glass frit 122 is well sealed, and thus external moisture and the like can be prevented from flowing to the cable 110 between the side of the glass frit 122 and the inner wall of the second housing 121. The junction of the core wire 112 and the pin 123 is well sealed within the glass frit structure 122. The first sealant layer 130 enables further excellent sealing of the end of the cable 110. The second sealant layer 140 can further seal the ends of the glass frit structure 122. Through the cable connection structure 100, an integrated and reliable sealing structure is formed at the joint of the cable 110 and the electric connector 120, so that the sealing performance of the cable 110 is well improved, the requirement of a nuclear power station on the sealing performance of a cable assembly is met, and the safe operation of the nuclear power station is ensured.
Further, the glass frit structure 122 has a good sealing property. The end of the cable 110 and the inside of the electrical connector 120 are sealed by means of glass sintering, so that the cable can achieve a complete airtight state, completely isolate external water vapor, and ensure high insulation property inside the cable connection structure 100. The glass frit 122 can provide not only a securing function for the pins 123, but also a sealing function for the end of the cable 110 and the electrical connector 120. Furthermore, the glass frit structure 122 forms both the sealing body of the electrical connector 120 and the sealing structure of the end of the cable 110, so that the connection between the cable 110 and the electrical connector 120 forms an integrated reliable sealing structure.
Further, the end of the cable 110 is formed into a triple-sealed structure by coating the first sealant layer 130 on the end of the cable 110, sealing the end of the cable 110 through the glass frit structure 122, and coating the second sealant layer 140 on the end of the glass frit structure 122 opposite to the cable 110, so that the end of the cable 110 is reliably sealed, and the cable 110 meets the technical requirements of sealing cable components of a nuclear power plant.
Further, the cable 110 in this embodiment is made of an inorganic material, and has advantages that other cables are strong in corrosion resistance, high temperature resistance, radiation resistance, long in service life, high in mechanical strength, and the like.
Further, the raw materials of the glass sintering structure 122 are not provided with any organic material, and are all sintered by using inorganic materials, so that the electrical connector 120 has the characteristics of corrosion resistance, high temperature resistance, radiation resistance and the like, and meets the technical requirements of the cable assembly for the nuclear power station.
Furthermore, the first shell 111 of the cable 110 is made of a stainless steel shell, has the characteristics of corrosion resistance, radiation resistance, good mechanical property, strong toughness, easiness in laying and the like, can well protect internal wires but cannot be laid difficultly, and is suitable for the severe environment in a nuclear power station. Similarly, the second housing 121 has the characteristics of corrosion resistance, radiation resistance, good mechanical properties, strong toughness, easy laying and the like.
In one embodiment, the first housing 111 is lined with copper internally for better insulation of the cable 110.
In an embodiment, the first sealant layer 130 is made of Epo-Tek-H77 glue, the second sealant layer 140 is made of Epo-Tek-H77 glue, and the Epo-Tek-H77 glue has the characteristics of good sealing performance and radiation resistance, and is convenient to apply to the nuclear power station environment. The glue Epo-Tek-H77 was made by Epo-Tek company (manufacturer for epoxy adhesives).
In one embodiment, the number of the electrical connectors 120 may be two, wherein one electrical connector 120 is connected to one end of the cable 110 and the other electrical connector 120 is connected to the other end of the cable 110, so that both ends of the cable 110 can be reliably sealed.
Referring to fig. 2, another embodiment of the present application further provides a manufacturing method of the cable connection structure 100. The method comprises the following steps:
s110: a first sealant layer 130 is applied to the end of the cable 110 and the first sealant layer 130 is cured.
Specifically, as shown in fig. 1, the core wire 112 has a first portion 1121 located inside the first housing 111 and a second portion 1122 protruding out of the first housing 111. The first sealant layer 130 is applied to the end of the cable 110, except for the core wires 112.
After the first sealant layer 130 is coated on the end of the cable 110, the first sealant layer 130 is baked after the first sealant layer 130 is solidified, so that the first sealant layer 130 is cured to form a good seal. The baking temperature may be set to 115 ℃ to 125 ℃, for example, 115 ℃, 117 ℃, 120 ℃, 125 ℃.
S130: the core wires 112 of the cable 110 are soldered to the respective corresponding pins 123.
S150: the first housing 111 is welded to the second housing 121.
S170: a glass raw material is placed on an end of the cable 110 coated with the first sealant layer 130, and the glass raw material is formed into a glass frit structure 122 using a glass frit process.
Specifically, after steps S110, S130, and S150, step S170 is performed. Due to the characteristics of the glass sintering process, after the glass sintering structure 122 is formed by the glass raw material through the glass sintering process, the glass sintering structure 122 can form a very reliable seal with the end of the cable 110 and can form a very reliable seal with the inner wall of the second housing 121. Since the joint of the core wire 112 and the pin 123 is located at the end of the cable 110, the joint of the core wire 112 and the pin 123 can be sealed inside the glass frit structure 122 after glass frit is performed, thereby being reliably sealed.
It is understood that the glass sintering process is prior art and will not be described herein.
S190: a second sealant layer 140 is applied to the end of the glass frit structure 122 facing away from the cable 110 and the second sealant layer 140 is cured.
Specifically, after the second sealant layer 140 is coated on the end of the glass frit structure 122 facing away from the cable 110, the second sealant layer 140 is baked after the second sealant layer 140 is solidified, so that the second sealant layer 140 is cured to form a good seal. The baking temperature may be set to 115 ℃ to 125 ℃, for example, 115 ℃, 117 ℃, 120 ℃, 125 ℃.
In the above method for manufacturing the cable connection structure 100, the first housing 111 and the second housing 121 are integrally welded, so that the end of the first housing 111 can be well sealed. After the glass frit 122 is formed from glass raw material by using a glass frit process, the glass frit 122 can form a very reliable seal with the end of the cable 110. And can form a very reliable seal with the inner wall of the second housing 121, so that the side of the glass frit structure 122 is well sealed, and thus external moisture, etc. can be prevented from flowing to the cable 110 from between the side of the glass frit structure 122 and the inner wall of the second housing 121. After the glass frit 122 is formed, the junction of the core wire 112 and the pin 123 is well sealed within the glass frit 122. The end of the cable 110 can be further well sealed by applying and curing the first sealant layer 130. The ends of the glass frit structure 122 can be further sealed by applying and curing a second sealant layer 140. By the manufacturing method of the cable connection structure 100, an integrated and reliable sealing structure is formed at the joint of the cable 110 and the electric connector 120, so that the sealing performance of the cable 110 is well improved, the requirement of a nuclear power station on the sealing performance of a cable assembly is met, and the safe operation of the nuclear power station is ensured.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A cable connection structure, characterized by comprising:
a cable including a first jacket, a plurality of core wires, and an insulating material, the plurality of core wires and the insulating material being each located inside the first jacket, the insulating material being filled between adjacent ones of the core wires and between the core wires and an inner wall of the first jacket;
the electric connector is fixedly connected with one end of the cable and comprises a second shell, a glass sintering structure and a plurality of contact pins; the second shell is connected with the first shell in a sealing way; the glass sintering structure and the contact pin are both positioned in the second shell, the glass sintering structure is connected with the inner wall of the second shell in a sealing mode, and the glass sintering structure is connected with the end portion of the cable in a sealing mode; the contact pins are electrically connected with the core wires and correspond to the core wires one by one, and the connection parts of the contact pins and the core wires are sealed in the glass sintering structure;
the first sealing glue layer is coated at one end, close to the glass sintering structure, of the cable; and
and the second sealing glue layer is coated at one end of the glass sintering structure, which is back to the cable.
2. The cable connection structure according to claim 1,
the first shell is made of stainless steel; and/or
The second shell is made of stainless steel; and/or
The core wire is made of copper; and/or
The insulating material is magnesium oxide powder, silicon dioxide powder or aluminum oxide powder.
3. The cable connection structure according to claim 2,
the first sealing adhesive layer is made of Epo-Tek-H77 adhesive; and/or
The second sealant layer is made of Epo-Tek-H77 glue.
4. The cable connection structure according to claim 2, wherein an inner surface of the first housing is lined with copper.
5. The cable connection structure according to claim 2,
the first housing is welded with the second housing; and/or
The core wire is welded with the contact pin.
6. The cable connection structure according to claim 1, wherein the core wire has a first portion located inside the first housing and a second portion extending outside the first housing, the second portion being soldered to the pin.
7. The cable connection structure according to claim 1, wherein the number of the electrical connectors is two, and the two electrical connectors are fixedly connected to different ends of the cable, respectively.
8. A method for manufacturing a cable connection structure according to any one of claims 1 to 7, comprising the steps of:
coating the first sealant layer on the end of the cable and curing the first sealant layer;
respectively welding core wires of the cables with the corresponding contact pins;
welding the first housing to the second housing;
placing a glass raw material at one end of the cable coated with the first sealing adhesive layer, and forming the glass raw material into a glass sintering structure by adopting a glass sintering process;
and coating the second sealant layer at one end of the glass sintering structure, which is opposite to the cable, and curing the second sealant layer.
9. The method for manufacturing a cable connection structure according to claim 8, further comprising:
after the end part of the cable is coated with the first sealing adhesive layer, baking the first sealing adhesive layer after the first sealing adhesive layer is condensed; and/or the presence of a gas in the gas,
and after the second sealing adhesive layer is coated on one end of the glass sintering structure, which is back to the cable, the second sealing adhesive layer is baked after being condensed.
10. The method of manufacturing a cable connection structure according to claim 9,
the baking temperature for baking the first sealing adhesive layer is 115-125 ℃; and/or the baking temperature for baking the second sealant layer is 115-125 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011353897.8A CN112736511A (en) | 2020-11-26 | 2020-11-26 | Cable connection structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011353897.8A CN112736511A (en) | 2020-11-26 | 2020-11-26 | Cable connection structure and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112736511A true CN112736511A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011353897.8A Pending CN112736511A (en) | 2020-11-26 | 2020-11-26 | Cable connection structure and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN112736511A (en) |
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| CN109686492A (en) * | 2018-12-19 | 2019-04-26 | 浙江泰索科技有限公司 | A kind of shielded coaxial signal cable of composition metal outer tube |
| CN110098530A (en) * | 2019-04-24 | 2019-08-06 | 中广核研究院有限公司 | A kind of shape metallic leak-proof structure electric connector |
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| EP1061325A1 (en) * | 1999-06-15 | 2000-12-20 | Schott Glas | Glass-metal passages |
| CN103474831A (en) * | 2013-09-23 | 2013-12-25 | 苏州华旃航天电器有限公司 | Glass sintered high temperature and high pressure sealing electric connector |
| CN105449420A (en) * | 2015-12-09 | 2016-03-30 | 西安赛尔电子材料科技有限公司 | Slender hole glass-sealing multi-pin electrical connector and preparation method of slender hole glass-sealing multi-pin electrical connector |
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| CN109462065A (en) * | 2018-11-30 | 2019-03-12 | 中航光电科技股份有限公司 | A kind of connector-cable component suitable for extreme harsh environment |
| CN109473204A (en) * | 2018-11-30 | 2019-03-15 | 中航光电科技股份有限公司 | A kind of mineral insulated cable component |
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| CN109686492A (en) * | 2018-12-19 | 2019-04-26 | 浙江泰索科技有限公司 | A kind of shielded coaxial signal cable of composition metal outer tube |
| CN110098530A (en) * | 2019-04-24 | 2019-08-06 | 中广核研究院有限公司 | A kind of shape metallic leak-proof structure electric connector |
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