CN109723912A - A kind of signal wire transmission structure - Google Patents
A kind of signal wire transmission structure Download PDFInfo
- Publication number
- CN109723912A CN109723912A CN201910058532.3A CN201910058532A CN109723912A CN 109723912 A CN109723912 A CN 109723912A CN 201910058532 A CN201910058532 A CN 201910058532A CN 109723912 A CN109723912 A CN 109723912A
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- China
- Prior art keywords
- mounting portion
- hole
- main part
- signal wire
- transmission structure
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000000565 sealant Substances 0.000 claims abstract description 10
- 241000826860 Trapezium Species 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 description 16
- 238000012360 testing method Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 4
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Landscapes
- Installation Of Indoor Wiring (AREA)
- Gasket Seals (AREA)
Abstract
The present invention relates to a kind of signal wire transmission structures, including main part, the first mounting portion, tube body and signal wire；The main part includes first surface and the second surface opposite with first surface；The main part offers accepting hole and mounting hole through first surface and second surface, the first surface offers the first seal groove of receiving first seal, and first mounting portion is set to the first surface and offers the first through hole corresponding to the accepting hole；The tube body passes through the first through hole and accepting hole, and the junction of first mounting portion one end and tube body far from main part is tightly connected；The signal wire passes through the tube body and is embedded in the intracorporal sealant of pipe.The present invention improves the unfailing performance of sealing and easy to use.
Description
Technical field
The present invention relates to cryogenic vacuum signal transmission technology fields, more particularly to a kind of signal wire transmission structure.
Background technique
It is to provide vacuum, the experimental situation of low temperature common structure for low temperature test device that vacuum and low temperature, which tests chamber,.Vacuum
Low temperature test chamber is immersed in the cryogens such as liquid nitrogen, liquid helium, superfluid helium, and intracavitary is negative pressure or vacuum state, vacuum state one
Denier is destroyed, and will lead to experimental provision can not work, or even damage.It is passed in order to which vacuum and low temperature to be tested to the signal of intracavitary experimental provision
The defeated wall surface for needing to test chamber across vacuum and low temperature to the signal wire for outside chamber, transmitting signal, so just needs to design a kind of signal
Transmission structure makes signal wire insulated by cavity wall, and does not destroy vacuum.In low temperature test, experimental provision will bear play
Strong temperature change has the temperature change of nearly 300K, this mistake if experimental provision cools to liquid helium region (4.2K) from room temperature
The percent thermal shrinkage difference of different materials causes deflection different in journey, and cryogen may be caused to leak and injure signal wire,
And cooling is often repeated multiple times progress with rewarming process, this just needs signal transmission structure with higher at low temperature close
Seal reliability.In addition, existing signal transmission structure is usually structure as a whole, when for example signal wire is destroyed for some part,
It needs that entire signal transmission structure will be replaced, so increases cost.
Summary of the invention
Based on this, in view of the above-mentioned problems, strong and square it is necessary to design a kind of sealing reliability applied to cryogenic vacuum chamber
Just the signal wire transmission structure installed and replaced.
A kind of signal transmission structure, including main part, the first mounting portion, tube body and signal wire；The main part includes the
One surface and the second surface opposite with first surface；The main part offers the receiving through first surface and second surface
Hole and mounting hole, the first surface offer the first seal groove, and first mounting portion is set to the first surface and opens
Equipped with the first through hole for corresponding to the accepting hole；The tube body passes through the first through hole and accepting hole, and first peace
The junction of dress portion one end and tube body far from main part is tightly connected；The signal wire is passed through in the tube body and tube body and is buried
Set on the intracorporal sealant of pipe.
The present invention is sealed by the way that signal wire is embedded in the intracorporal sealant of pipe, tube body pass through the first through hole and
Accepting hole, and the junction of first mounting portion one end and tube body far from main part is tightly connected, and first surface opens up
There is the first seal groove of receiving first seal, when main part being so installed on the cavity wall of vacuum and low temperature experiment chamber, main part
It can realize that first layer seals by first seal and cavity wall, the junction of tube body and the first mounting portion realizes that the second layer is close
Envelope, signal wire realize third layer sealing by sealant in tube body, improve the unfailing performance of sealing；And if first layer
Sealing when something goes wrong, without opening cavity, can step up first layer sealing, or replace to first seal.
Detailed description of the invention
Fig. 1 is the cross-sectional view of signal transmission structure provided by the invention.
Fig. 2 is the cross-sectional view of the main part of signal transmission structure provided by the invention, the first mounting portion and the second mounting portion.
Fig. 3 is the side view of the main part of signal transmission structure shown in Fig. 2, the first mounting portion and the second mounting portion.
Fig. 4 is the cross-sectional view in the first application scenarios of signal transmission structure provided by the invention.
Fig. 5 is the cross-sectional view in second of application scenarios of signal transmission structure provided by the invention.
Fig. 6 is the cross-sectional view in the third application scenarios of signal transmission structure provided by the invention.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiment is only some embodiments of the invention, rather than whole realities
Apply mode.Based on the embodiment in the present invention, ordinary skill personage institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig. 1 to Fig. 3, a kind of signal transmission structure 100 that the preferred embodiment for the present invention provides, including main part
10, the first mounting portion 20, tube body 30 and signal wire 40；The main part 10 include first surface 101 and with 101 phase of first surface
The second surface 102 of back；The main part 10 offers accepting hole 103 and peace through first surface 101 and second surface 102
Hole 104 is filled, the first surface 101 offers the first seal groove 1012 of receiving first seal 1011, first installation
Portion 20 is set to the first surface 101 and offers the first through hole 201 corresponding to the accepting hole 103；The tube body 30
Across the first through hole 201 and accepting hole 103, and the one end of first mounting portion 20 far from main part 10 and tube body 30
Junction is tightly connected；The sealant 301 that the signal wire 40 passes through the tube body 30 and is embedded in tube body 30.
The present invention is sealed by the way that signal wire is embedded in the intracorporal sealant of pipe, tube body pass through the first through hole and
Accepting hole, and the junction of first mounting portion one end and tube body far from main part is tightly connected, and first surface opens up
There is the first seal groove of receiving first seal, when main part being so installed on the cavity wall of vacuum and low temperature experiment chamber, main part
It can realize that first layer seals by first seal and cavity wall, the junction of tube body and the first mounting portion realizes that the second layer is close
Envelope, signal wire realize third layer sealing by sealant in tube body, improve the unfailing performance of sealing；And if first layer
Sealing when something goes wrong, without opening cavity, can step up first layer sealing, or replace to first seal.
Further, the main part 10 is made of metal material or nonmetallic materials, and described the second of the main part 10
The second mounting portion 50 is further provided on surface 102, second mounting portion 50 offers corresponding with the accepting hole 103
The second through-hole 501；The tube body 30 passes through the first through hole 201, accepting hole 103 and the second through-hole 501, and described second
The one end of mounting portion 50 far from main part 10 and the junction of tube body 30 are tightly connected.First mounting portion 20 and the second installation
Portion 50 and the junction of tube body 30 are connected and sealed by way of can bonding welding or all, described in present embodiment
The junction of first mounting portion 20 and the second mounting portion 50 and tube body 30 is connected and sealed by welding.
Further, first mounting portion 20 is cylinder and is provided with external screw thread.First mounting portion 20 can be used
In intracavitary and be located at main part 10 outside low temperature test chamber, the external screw thread of the first mounting portion 20 that stretches to a corresponding low temperature test
Can cooperate with nut is installed on main part 10 in the cavity wall of low temperature test chamber.It is appreciated that the main part 10 can be with
Mounting hole 104 is passed through by screw or bolt to be fixed in the cavity wall of low temperature test chamber.
In the present embodiment, first seal groove 1012 is round and is surrounded on first mounting portion 20；It is described
The sectional area of first seal 1011 is greater than the sectional area of the first seal groove 1012.The first seal 1011 can be indium silk
It is made and is contained in the first seal groove 1011 and protrusion first surface 101.In present embodiment, first seal groove
1012 are coaxially disposed for circle and with first mounting portion 20 of cylinder.
In the present embodiment, second mounting portion 50 is the circle that outer diameter and height both correspond to the first mounting portion 20
Column, and second mounting portion 50 is provided with external screw thread.Second mounting portion 50 can be used for stretching to another low temperature reality
It tests intracavitary and is located at main part 10 outside low temperature test chamber, the external screw thread of the second mounting portion 50 can cooperate with nut makes main part
10 are installed in the cavity wall of low temperature test chamber.It is understood that only the first mounting portion 20 or the second mounting portion 50 can be stretched
Enter intracavitary to a corresponding low temperature test, corresponding, the second mounting portion 50 or the first mounting portion 20 are then located at outside low temperature test chamber；
First mounting portion 20 and the second mounting portion 50 can also be respectively protruding into intracavitary to a low temperature test.
Further, the second surface 102 offers circular second seal groove around second mounting portion 50
1022；Second seal 1021 is provided in second seal groove 1022.The second seal 1021 can be indium silk system
At and be contained in the second seal groove 1022 and protrude second surface 102.In present embodiment, second seal groove 1022 is
Circle is simultaneously coaxially disposed with second mounting portion 50 of cylinder.In the present embodiment, first seal groove 1012 and institute
Stating the second seal groove 1022 is the circle that diameter is identical and is coaxially disposed, i.e., described first seal groove 1012 and second sealing
Slot 1022 is arranged on first surface 101 and the corresponding position of second surface 102 respectively.
The main part 10 is cylinder；The main part 10, first mounting portion 20 and second mounting portion 50 by
Metal material or nonmetallic materials are integrally formed and are coaxially disposed；201 second through-hole 501 of first through hole and accepting hole 103
For the circular hole that diameter is identical and is coaxially disposed and is coaxially disposed with main part 10.The tube body 30 is that outer diameter corresponds to described first
The length of the round tube of the diameter of 201 second through-hole 501 of through-hole and accepting hole 103, the tube body 30 is greater than first mounting portion
20, the both ends of the sum of the second mounting portion 50 and the height of main part 10, i.e., the described tube body 30 stretch out in the first mounting portion 20 respectively
With second mounting portion 50.
In the present embodiment, the main part 10, first mounting portion 20 and second mounting portion 50 are by metal
Material integrated molding is made.In other embodiments, the main part 10, first mounting portion 20 and second mounting portion
50 can also be identical material manufactures respectively, and the first mounting portion 20 and second mounting portion 50 are then passed through welding or bonding
Etc. modes be respectively arranged on the first surface 101 and second surface 102 of main part 10.The first surface 101 and the second table
The opposite rounded bottom surface of 10 a pair based on face 102.Further, the cylindrical outer surface of the main part 10 can open up
There are the structures such as annular knurl slot to facilitate the rotation main part 10.
In the present embodiment, the mounting hole 104 is the axis of multiple and each mounting hole 104 and the axis of main part 101
Line is evenly arranged in parallel equidistant；First seal groove 1012 is located between mounting hole 104 and the first mounting portion 20.In this way,
It can be more convenient firm mounting body portion 10.The mounting hole 104 is the smooth through-hole of inner surface.
In the present embodiment, the cross section of first seal groove 1012 or the second seal groove 1022 is semicircle, arc
Spend one kind of the arc for being less than 180 degree, triangle, rectangle, right-angled trapezium or isosceles trapezoid, and first seal groove 1012
Width be gradually increased from second surface 102 to the direction of first surface 101, the width of second seal groove 1022 is by first
Surface 101 is gradually increased to the direction of second surface 102.In the present embodiment, first seal groove 1012 or the second is close
To be semicircle, the cross-sectional shape of the first seal 1011 and second seal 1021 is difference for the cross section of sealing groove 1022
Corresponding to the circle of 1022 phase inscribe of first seal groove 1012 and the second seal groove, and the first seal 1011 and
The cross-sectional area of two sealing elements 1021 is respectively greater than the cross-sectional area of first seal groove 1012 and the second seal groove 1022.
In the present embodiment, the sealant 301 is epoxy resin.
Referring to figure 4., cross-sectional view of the signal transmission structure 100 of the present invention in the first application scenarios, wherein described
One mounting portion 20 passes through the cavity wall 21 of the first low temperature cavity 200, and passes through first seal 1011 between main part 10 and cavity wall 201
Sealing.Cooperated after the mounting hole 104 with the blind screwhole 211 in cavity wall 21 by bolt 60, is pacified main part 10 with this
Loaded on cavity wall 201, the main part 10 and second mounting portion 50 are respectively positioned on outside first low temperature cavity 200, the signal
Signal in first low temperature cavity 200 is transmitted to outside by line 40.
Referring to figure 5., cross-sectional view of the signal transmission structure 100 of the present invention in second of application scenarios, wherein described
One mounting portion 20 passes through the cavity wall 21 of the first low temperature cavity 200, and passes through first seal 1011 between main part 10 and cavity wall 21
Sealing.First mounting portion 20 be located in the first low temperature cavity 200 far from one end of main part 10 and with 70 screw thread of the first nut
Cooperation, is installed on cavity wall 21 for main part 10 with this, the main part 10 and second mounting portion 50 are respectively positioned on described first
Outside low temperature cavity 200, the signal in the first low temperature cavity 200 is transmitted to outside by the signal wire 40.
Please refer to Fig. 6, cross-sectional view of the signal transmission structure 100 of the present invention in the third application scenarios, wherein described
One mounting portion 20 passes through the cavity wall 21 of the first low temperature cavity 200, and passes through first seal 1011 between main part 10 and cavity wall 201
Sealing, and sealed between main part 10 and the cavity wall 21 of the first low temperature cavity 200 by first seal 1011.Second installation
Portion 50 passes through the cavity wall 31 of the second low temperature cavity 300, and close by second between main part 10 and the cavity wall 31 of the second low temperature cavity 300
Sealing 1021 seals.First mounting portion 20 be located in the first low temperature cavity 200 far from one end of main part 10 and with the first spiral shell
Mother 70 is threadedly engaged, second mounting portion 50 be located in the second low temperature cavity 300 far from one end of main part 10 and with the second spiral shell
Mother 80 is threadedly engaged, and main part 10 is held between the first low temperature cavity 200 and the second low temperature cavity 300 with this, the main part
10 are located at outside first low temperature cavity 200 and the second low temperature cavity 300, and the signal wire 40 is by the signal in the first low temperature cavity 200
It is transmitted to the second low temperature cavity 300.
Embodiment described above only expresses one or more of embodiments of the invention, and description is more specific and detailed
Carefully, but it cannot be understood as the limitations to patent of invention range.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of signal wire transmission structure, which is characterized in that including main part, the first mounting portion, tube body and signal wire；The master
Body portion includes first surface and the second surface opposite with first surface；The main part is offered through first surface and second
The accepting hole and mounting hole on surface, the first surface offer the first seal groove of receiving first seal, first peace
Dress portion is set to the first surface and offers the first through hole corresponding to the accepting hole；The tube body passes through described first
Through-hole and accepting hole, and the junction of first mounting portion one end and tube body far from main part is tightly connected；The signal
Line passes through the tube body and is embedded in the intracorporal sealant of pipe.
2. signal wire transmission structure according to claim 1, which is characterized in that the second surface is additionally provided with the second peace
Dress portion, second mounting portion offer the second through-hole corresponding with the accepting hole；The tube body pass through the first through hole,
Accepting hole and the second through-hole, and the junction of second mounting portion one end and tube body far from main part is tightly connected.
3. signal wire transmission structure according to claim 2, which is characterized in that first mounting portion is cylinder and setting
There is external screw thread.
4. signal wire transmission structure according to claim 3, which is characterized in that first seal groove is round and circular
In first mounting portion；The sectional area of the first seal is greater than the sectional area of the first seal groove.
5. signal wire transmission structure according to claim 3, which is characterized in that second mounting portion is outer diameter and height
The cylinder of the first mounting portion is both corresponded to, and second mounting portion is provided with external screw thread.
6. signal wire transmission structure according to claim 5, which is characterized in that the second surface is offered around described
Circular second seal groove of second mounting portion；Second seal is provided in second seal groove.
7. signal wire transmission structure according to claim 5, which is characterized in that the main part is cylinder；The main body
Portion, first mounting portion and second mounting portion are integrally formed and are coaxially disposed；The first through hole, the second through-hole and receipts
Rong Kongwei diameter it is identical and coaxial arrangement and with main part coaxial arrangement circular hole.
8. signal wire transmission structure according to claim 7, which is characterized in that the mounting hole is multiple and each mounting hole
Axis and the axis of main part be evenly arranged in parallel equidistant；First seal groove be located at mounting hole and the first mounting portion it
Between.
9. the signal wire transmission structure according to claim 4 or 6, which is characterized in that first seal groove is second close
The cross section of sealing groove is the one of arc semicircle, that radian is less than 180 degree, triangle, rectangle, right-angled trapezium or isosceles trapezoid
Kind.
10. signal wire transmission structure according to claim 1, which is characterized in that the sealant is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058532.3A CN109723912B (en) | 2019-01-22 | 2019-01-22 | Signal line transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058532.3A CN109723912B (en) | 2019-01-22 | 2019-01-22 | Signal line transmission structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109723912A true CN109723912A (en) | 2019-05-07 |
| CN109723912B CN109723912B (en) | 2024-04-19 |
Family
ID=66299251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910058532.3A Active CN109723912B (en) | 2019-01-22 | 2019-01-22 | Signal line transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109723912B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130270817A1 (en) * | 2012-04-16 | 2013-10-17 | Nupigeco S.P.A. | Penetration fitting unit for seal-connection between a wall and a pipe passing through |
| CN203404500U (en) * | 2013-08-02 | 2014-01-22 | 天地上海采掘装备科技有限公司 | Cable leading-in device for coal cutter |
| CN104078795A (en) * | 2014-05-08 | 2014-10-01 | 珠海市泰德企业有限公司 | Underground sealing connection device of earthquake monitoring equipment and assembling method thereof |
| CN204067698U (en) * | 2014-08-08 | 2014-12-31 | 中国航天科技集团公司第四研究院四0一所 | Experimental cabin test cable seals plugboard |
| CN205101690U (en) * | 2015-11-24 | 2016-03-23 | 兰普电器股份有限公司 | Seal joint |
| JP2017070199A (en) * | 2015-10-02 | 2017-04-06 | 因幡電機産業株式会社 | Through-hole protection unit and through-hole protection structure |
| CN209557805U (en) * | 2019-01-22 | 2019-10-29 | 中国科学院理化技术研究所 | Signal line transmission structure |
-
2019
- 2019-01-22 CN CN201910058532.3A patent/CN109723912B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130270817A1 (en) * | 2012-04-16 | 2013-10-17 | Nupigeco S.P.A. | Penetration fitting unit for seal-connection between a wall and a pipe passing through |
| CN203404500U (en) * | 2013-08-02 | 2014-01-22 | 天地上海采掘装备科技有限公司 | Cable leading-in device for coal cutter |
| CN104078795A (en) * | 2014-05-08 | 2014-10-01 | 珠海市泰德企业有限公司 | Underground sealing connection device of earthquake monitoring equipment and assembling method thereof |
| CN204067698U (en) * | 2014-08-08 | 2014-12-31 | 中国航天科技集团公司第四研究院四0一所 | Experimental cabin test cable seals plugboard |
| JP2017070199A (en) * | 2015-10-02 | 2017-04-06 | 因幡電機産業株式会社 | Through-hole protection unit and through-hole protection structure |
| CN205101690U (en) * | 2015-11-24 | 2016-03-23 | 兰普电器股份有限公司 | Seal joint |
| CN209557805U (en) * | 2019-01-22 | 2019-10-29 | 中国科学院理化技术研究所 | Signal line transmission structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109723912B (en) | 2024-04-19 |
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