CN106584599B - A kind of thermal cutting formula cable separation arrangement - Google Patents
A kind of thermal cutting formula cable separation arrangement Download PDFInfo
- Publication number
- CN106584599B CN106584599B CN201611109941.4A CN201611109941A CN106584599B CN 106584599 B CN106584599 B CN 106584599B CN 201611109941 A CN201611109941 A CN 201611109941A CN 106584599 B CN106584599 B CN 106584599B
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- Prior art keywords
- cutting
- separation arrangement
- inner slide
- special cables
- potsherd
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/44—Arrangements or adaptations of power supply systems using radiation, e.g. deployable solar arrays
- B64G1/443—Photovoltaic cell arrays
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Ceramic Products (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A kind of cutting temperature of present invention offer is at 1000 DEG C or more, the cable separation arrangement reusable, easy to control, reliability is high.A kind of thermal cutting formula cable separation arrangement, including mechanism body 18 and ceramic cutting component 14；The ceramics cutting component 14 is mounted in mechanism body 18；The mechanism body 18 includes cable mounting hole 15, cutting peep hole 16 and two gag lever posts 17；The ceramics cutting component 14 generates 1000 DEG C or more of high temperature, will be fixed on special cables in mechanism body 18 and fuses.The present invention is fully fixed by special cables using two parallel gag lever posts, reduces the stress displacement of special cables in cutting process, substantially increases cutting speed of the ceramic cutting component to special cables；And the high temperature of ceramic 1000 DEG C of generation of cutting component 14 or more fuses special cables after being transmitted to potsherd edge, realizes the function of separation and the release of the satellite sun wing, and separation load is small, and reliability is high.
Description
Technical field
The invention belongs to satellite sun span acquittals to put field more particularly to a kind of thermal cutting formula cable separation arrangement.
Background technology
Locking releasing device be for satellite sun energy battery windsurfing provide compress constraint and by instruction constraint relief device,
The reliability that its reliability especially discharges often influences one of an important factor for entire satellite power system works normally.
If locking releasing device can not achieve normal release function, fatal influence will be brought to entire satellite.
Since the special cables of binding solar cell windsurfing have, intensity is high, (fusing point is 800 for wear-resisting, pressure-resistant, high temperature resistant
DEG C or more) etc. characteristics, therefore locking releasing device mostly uses the mode of firer's explosion and realizes the disconnections of special cables.But firer is quick-fried
Fried separation load is big, has potential adverse effect, while disposable limitation to satellite, to entire locking release dress
The reliability assessment set brings huge difficulty.
With the development of technology, it has gradually appeared and has been broken as the cable separation arrangement of principle with heating, earliest visible Holland's boat
It locking relieving mechanism (MHRM) is applied in satellite release separation field at present.But this relieving mechanism is deposited
In several larger disadvantages：First, volume is big, weight weight is complicated, second is that bundling cable fusing point used in external satellite
All at 500 DEG C hereinafter, therefore the highest cutting operating temperature of cable separation arrangement is not generally high.
Later, there is the follow-on cable separation arrangement of several moneys in the country, there is bolt arrangement, four side dish structures and gaily decorated basket knot
Structure etc., highest cut operating temperature at 500 DEG C or so, far can not meet the cutting demand of existing special cables.
Traditional priming system detonation mode separation load is big, while existing hot Fuse Type cable separation arrangement cutting temperature is low,
The defect of special cables minimum fusing point is not achieved, and also there is the limitation that often set separator is used only once.
Invention content
To solve the above problems, the present invention provides a kind of cutting temperature at 1000 DEG C or more, reusable, controlling party
Just, the high cable separation arrangement of reliability.
A kind of thermal cutting formula cable separation arrangement, including mechanism body 18 and ceramic cutting component 14；
The ceramics cutting component 14 is mounted in mechanism body 18；
The mechanism body 18 includes cable mounting hole 15, cutting peep hole 16 and two gag lever posts 17；Wherein cable
Mounting hole 15 runs through agent structure 18, for the interspersed of special cables；Two gag lever posts 17 are placed in parallel, along perpendicular to line
The direction interposer main body 18 of cable mounting hole 15, for fixing special cables；Cutting peep hole 16 is opened in gag lever post 17 and line
Cable mounting hole 15 intersects vertically place, the interspersed and stationary state for observing special cables；
The ceramics cutting component 14 generates 1000 DEG C or more of high temperature, will be fixed on special cables in mechanism body 18
Fusing.
It is described ceramics cutting component 14 include cutting head 7, felt pad 8, inner slide 9, inner slide end cap 10, spring 11,
Sleeve end cap 12 and sleeve 13；Wherein cutter head 7 is deep between two gag lever posts 17, and vertical with special cables holding
Contact；
The cutting head 7 includes potsherd 1, heater strip 2, filled gold gasket 3, plasma-based material 4, holding screw 5 and two
A electrode bar 6；
Wherein 6 head of electrode bar is provided with mounting groove, and potsherd 1 is fixed on by holding screw 5 between two mounting grooves；
2 both ends of heater strip are rectangular pads, are respectively attached to two surfaces up and down of potsherd 1；Filled gold gasket 3 is individually positioned in
On the pad of heater strip 2；The pad and filled gold gasket 3 of heater strip 2 are respectively embedded into the mounting groove of electrode bar 6, and gold-plated
Gap filling electrocondution slurry 4 between metal gasket 3 and pad, between filled gold gasket 3 and electrode bar 6；
The inner slide 9 is a cavity structure, and one end is opened there are two mounting hole, and the other end is equipped with inner slide end cap 10；Its
Two electrode bars 6 of middle cutting head 7 are fixed on by mounting hole in inner slide 9；Simultaneously electrode bar 6 and 9 mounting hole of inner slide it
Between there are clearance for insulations, and be isolated by felt pad 8；
The inner slide 9 is slidably matched with the formation of sleeve 13；
The tail end of the sleeve 13 is equipped with sleeve end cap 12；
Spring 11 is compressed in sleeve end cap 12 by the inner slide end cap 10.
Special cables are penetrated from the top of cable mounting hole 15, and lower part is pierced by, and S-type interspersed around gag lever post 17.
Two electrode bars 6 of the cutting head 7 are fixedly mounted on using the nut of M2 in inner slide 9.
1 material of the potsherd is through Si made of 1600 DEG C of high temperature sinterings3N4, size be 12mm × 10mm ×
0.95mm。
The heater strip 2 is respectively attached to two surfaces, and silk-screen printing up and down of potsherd 1 by silk-screen printing technique
The sintering temperature used in technique is 1300 DEG C.
3 material of filled gold gasket is 4J29 alloys；The surface elder generation nickel plating of filled gold gasket 3, then it is gold-plated, wherein
Nickel layer thickness is 1.3um~5.7um, and layer gold thickness is 1.3um~8.9um.
The mounting groove of the electrode bar 6 is 1mm, and wherein the threaded hole there are two M1.6, while threaded hole is arranged in one side
Interior smearing electrocondution slurry 4；Holding screw 5 fixes potsherd 1 by the threaded hole of M1.6.
6 material of the electrode bar is 4J29 kovar alloys.
Advantageous effect：
1, the present invention is fully fixed by special cables using two parallel gag lever posts, reduces special cables in cutting process
Stress displacement, substantially increase cutting speed of the ceramic cutting component to special cables；
2, the potsherd upper and lower surface in the cutting head of ceramic cutting component of the invention is laid with heater strip, and leads to
It crosses pad and is connected to external power part；After power-up, the potsherd surface heater strip in cutting head generates 1000 DEG C or more of high temperature,
After being transmitted to potsherd edge, special cables are fused, realize the function of separation and the release of the satellite sun wing, detach load
Small, reliability is high；
3, the present apparatus can repeatedly use, and can carry out repeatedly cutting test on ground, reliability assessment is at low cost, passes through
Adjust supply voltage, it can be achieved that cutting speed adjustment and control, it is easy to operate, it is low in energy consumption；
4, the installation of potsherd and heater strip is realized using the fixed form of " holding screw+filled gold gasket ", effectively
Ground solves under 1000 DEG C of hot conditions, material thermal expansion coefficient mismatch problem；
5, it is filled out using gap of the high temperature resistant conductive material between filled gold gasket and ceramic heating flake Pt pads
It fills, reduces contact resistance, reduce system power dissipation, while anti-loose effect is risen to holding screw.
Description of the drawings
Fig. 1 is the mechanism body structural schematic diagram of the present invention；
Fig. 2 is the ceramic cutting component structural schematic diagram of the present invention；
Fig. 3 is the cutting head structural schematic diagram of the present invention；
Fig. 4 is the potsherd and metal wire structure schematic diagram of the present invention.
1- potsherds, 2- heater strips, 3- filled golds gasket, 4- electrocondution slurries, 5- holding screws, 6- electrode bars, 7- are cut
Cut head, 8- felt pads, 9- inner slides, 10- inner slides end cap, 11- springs, 12- sleeves end cap, 13- sleeves, the cutting of 14- ceramics
Device assembly, 15- cables mounting hole, 16- cuttings peep hole, 17- gag lever posts, 18- mechanism bodies.
Specific implementation mode
The present invention is described in detail with specific preferred embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, for the mechanism body structural schematic diagram of the present invention, a kind of thermal cutting formula cable separation arrangement, mainly
Including mechanism body 18 and ceramic cutting component 14；
The ceramics cutting component 14 is mounted in mechanism body 18；
The mechanism body 18 includes cable mounting hole 15, cutting peep hole 16 and two gag lever posts 17；Wherein cable
Mounting hole 15 runs through agent structure 18, for the interspersed of special cables；Two gag lever posts 17 are placed in parallel, along perpendicular to line
The direction interposer main body 18 of cable mounting hole 15, for fixing special cables；Cutting peep hole 16 is opened in gag lever post 17 and line
Cable mounting hole 15 intersects vertically place, the interspersed and stationary state for observing special cables；
The ceramics cutting component 14 generates 1000 DEG C or more of high temperature, will be fixed on special cables in mechanism body 18
Fusing.
It is illustrated in figure 2 the ceramic cutting component structural schematic diagram of the present invention；Wherein ceramics cutting component 14 includes
Cutting head 7, felt pad 8, inner slide 9, inner slide end cap 10, spring 11, sleeve end cap 12 and sleeve 13；Wherein cutter
First 7 are deep between two gag lever posts 17, and keep perpendicular contact with special cables；
It is illustrated in figure 3 the cutting head structural schematic diagram of the present invention, wherein cutting head 7 includes potsherd 1, heater strip 2, plating
Golden metal gasket 3, electrocondution slurry 4, holding screw 5 and two electrode bars 6；
Wherein 6 head of electrode bar is provided with mounting groove, and potsherd 1 is fixed on by holding screw 5 between two mounting grooves；
As shown in figure 4,2 both ends of heater strip are rectangular pads, and two up and down of potsherd 1 are respectively attached to by silk-screen printing technique
Surface；Filled gold gasket 3 is individually positioned on the pad of heater strip 2, and wherein pad is connected to external power；The weldering of heater strip 2
Disk and filled gold gasket 3 are respectively embedded into the mounting groove of electrode bar 6, at the same between filled gold gasket 3 and pad, it is gold-plated
Gap filling electrocondution slurry 4 between metal gasket 3 and electrode bar 6；
The inner slide 9 is a cavity structure, and one end is opened there are two mounting hole, and the other end is equipped with inner slide end cap 10；Its
Two electrode bars 6 of middle cutting head 7 are fixed on by mounting hole in inner slide 9；Simultaneously electrode bar 6 and 9 mounting hole of inner slide it
Between there are clearance for insulations, and be isolated by felt pad 8；
The inner slide 9 is formed with 13 inner cavity of sleeve and is slidably matched, can be free to slide along 13 inner cavity axial direction of sleeve；
The tail end of the sleeve 13 is equipped with sleeve end cap 12；
Spring 11 is compressed in sleeve end cap 12 by the inner slide end cap 10, for providing one outward to inner slide 9
Pressure, it is ensured that cutting head 7 can with special cables keep be in close contact.
Special cables are penetrated from the top of cable mounting hole 15, and lower part is pierced by, and S-type interspersed around gag lever post 17.
Two electrode bars 6 of the cutting head 7 are fixedly mounted on using the nut of M2 in inner slide 9.
1 material of the potsherd is through Si made of 1600 DEG C of high temperature sinterings3N4, size be 12mm × 10mm ×
0.95mm。
The main component of the heater strip 2 is Pt.
The sintering temperature used in the silk-screen printing technique is 1300 DEG C.
3 material of filled gold gasket is 4J29 alloys；The surface elder generation nickel plating of filled gold gasket 3, then it is gold-plated, wherein
Nickel layer thickness is 1.3um~5.7um, and layer gold thickness is 1.3um~8.9um.
4 main component of the electrocondution slurry is Ag.
The mounting groove of the electrode bar 6 is 1mm, and wherein the threaded hole there are two M1.6, while threaded hole is arranged in one side
Interior smearing electrocondution slurry 4；Holding screw 5 fixes potsherd 1 by the threaded hole of M1.6.
6 material of the electrode bar is 4J29 kovar alloys.
The present invention has carried out electric performance test to the 10 sets of cable separation arrangements machined, finds in operating voltage 20V
In the case of, all product power consumptions are respectively less than 40W (33W~35W), and stabilized operating temperature is all higher than 1000 DEG C (1000 DEG C~1080
DEG C), meet performance indicator requirement.2 products are extracted simultaneously has carried out the test of reuse number：In operating voltage 20V, work
Continuous work 12 times under the conditions of time 60s, Product Status is good.It finally also extracts 2 products and has carried out 2 simulating cut release
The a diameter of Φ 3.5mm of special cables used are tested in experiment, and experiment every time succeeds, state after cable separation arrangement work
Well, to prove that the present invention program can realize expected function.
Certainly, the invention may also have other embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (9)
1. a kind of thermal cutting formula cable separation arrangement, which is characterized in that including mechanism body (18) and ceramic cutting component
(14)；
The ceramics cutting component (14) is mounted in mechanism body (18)；
The mechanism body (18) includes cable mounting hole (15), cutting peep hole (16) and two gag lever posts (17)；Wherein
Cable mounting hole (15) runs through mechanism body (18), for the interspersed of special cables；Two gag lever posts (17) are placed in parallel, edge
Perpendicular to the direction interposer main body (18) of cable mounting hole (15), for fixing special cables；Cutting peep hole (16) is opened
Intersect vertically place in gag lever post (17) and cable mounting hole (15), for observe special cables intert and stationary state；
The ceramics cutting component (14) generates 1000 DEG C or more of high temperature, will be fixed on special cables in mechanism body (18)
Fusing.
2. a kind of thermal cutting formula cable separation arrangement as described in claim 1, which is characterized in that the ceramics cutting component
(14) include cutting head (7), felt pad (8), inner slide (9), inner slide end cap (10), spring (11), sleeve end cap (12) with
And sleeve (13)；Wherein cutting head (7) is deep between two gag lever posts (17), and keeps perpendicular contact with special cables；
The cutting head (7) includes potsherd (1), heater strip (2), filled gold gasket (3), plasma-based material (4), holding screw
(5) and two electrode bars (6)；
Wherein electrode bar (6) head is provided with mounting groove, potsherd (1) by holding screw (5) be fixed on two mounting grooves it
Between；Heater strip (2) both ends are rectangular pads, are respectively attached to two surfaces up and down of potsherd (1)；Filled gold gasket (3)
It is individually positioned on the pad of heater strip (2)；The pad and filled gold gasket (3) of heater strip (2) are respectively embedded into electrode bar (6)
Mounting groove in, and filled gold gasket (3) is between pad, the gap between filled gold gasket (3) and electrode bar (6) is filled out
Fill electrocondution slurry (4)；
The inner slide (9) is a cavity structure, and one end is opened there are two mounting hole, and the other end is equipped with inner slide end cap (10)；Its
Two electrode bars (6) of middle cutting head (7) are fixed on by mounting hole in inner slide (9)；Electrode bar (6) and inner slide simultaneously
(9) there are clearance for insulations between mounting hole, and are isolated by felt pad (8)；
The inner slide (9) is slidably matched with sleeve (13) formation；
The tail end of the sleeve (13) is equipped with sleeve end cap (12)；
Spring (11) is compressed in sleeve end cap (12) by the inner slide end cap (10).
3. a kind of thermal cutting formula cable separation arrangement as described in claim 1, which is characterized in that special cables are installed from cable
The top in hole (15) penetrates, and lower part is pierced by, and S-type interspersed around gag lever post (17).
4. a kind of thermal cutting formula cable separation arrangement as claimed in claim 2, which is characterized in that the two of the cutting head (7)
A electrode bar (6) is fixedly mounted on using the nut of M2 in inner slide (9).
5. a kind of thermal cutting formula cable separation arrangement as claimed in claim 2, which is characterized in that potsherd (1) material
For through Si made of 1600 DEG C of high temperature sinterings3N4, size is 12mm × 10mm × 0.95mm.
6. a kind of thermal cutting formula cable separation arrangement as claimed in claim 2, which is characterized in that the heater strip (2) passes through
Silk-screen printing technique is respectively attached to two surfaces up and down of potsherd (1), and the sintering temperature used in silk-screen printing technique
It is 1300 DEG C.
7. a kind of thermal cutting formula cable separation arrangement as claimed in claim 2, which is characterized in that the filled gold gasket
(3) material is 4J29 alloys；The surface elder generation nickel plating of filled gold gasket (3), then gold-plated, wherein nickel layer thickness be 1.3um~
5.7um, layer gold thickness are 1.3um~8.9um.
8. a kind of thermal cutting formula cable separation arrangement as claimed in claim 2, which is characterized in that the peace of the electrode bar (6)
Tankage is 1mm, and wherein there are two the threaded holes of M1.6 for one side setting, while electrocondution slurry (4) is smeared in threaded hole；Clamp screw
It follows closely (5) and potsherd (1) is fixed by the threaded hole of M1.6.
9. a kind of thermal cutting formula cable separation arrangement as claimed in claim 2, which is characterized in that electrode bar (6) material
For 4J29 kovar alloys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109941.4A CN106584599B (en) | 2016-12-06 | 2016-12-06 | A kind of thermal cutting formula cable separation arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109941.4A CN106584599B (en) | 2016-12-06 | 2016-12-06 | A kind of thermal cutting formula cable separation arrangement |
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| Publication Number | Publication Date |
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| CN106584599A CN106584599A (en) | 2017-04-26 |
| CN106584599B true CN106584599B (en) | 2018-09-28 |
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| CN201611109941.4A Active CN106584599B (en) | 2016-12-06 | 2016-12-06 | A kind of thermal cutting formula cable separation arrangement |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229431B (en) * | 2018-09-11 | 2021-06-11 | 北京空间机电研究所 | Non-explosive unlocking device and locking and unlocking method |
| CN109437941A (en) * | 2018-11-08 | 2019-03-08 | 中国科学院上海硅酸盐研究所 | A kind of high intensity, high temperature resistant, hot knife of silicon nitride ceramics of heat shock resistance and its preparation method and application |
| CN109625328A (en) * | 2018-12-12 | 2019-04-16 | 上海卫星装备研究所 | Fuse Type compresses release device |
| CN110238911B (en) * | 2019-07-02 | 2022-04-08 | 山东鲁普科技有限公司 | Closed environment-friendly fiber rope thermal cutting device |
| CN112340067B (en) * | 2020-11-06 | 2022-04-15 | 长光卫星技术股份有限公司 | Be applied to hot sword structure of receiving satellite adjustable resistance a little |
| CN112340068B (en) * | 2020-11-06 | 2022-04-15 | 长光卫星技术股份有限公司 | Solar sailboard unfolding system based on hot knife |
| CN114985997A (en) * | 2022-02-18 | 2022-09-02 | 上海电机学院 | Hot cutting device and flexible pressing and releasing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1603530A (en) * | 1968-11-19 | 1971-05-03 | Insulated heater blade | |
| CN201125306Y (en) * | 2007-11-26 | 2008-10-01 | 河北创兴纺织机械有限公司 | Hot cutting knife for weaving machine |
| CN201633075U (en) * | 2010-04-14 | 2010-11-17 | 吴治平 | Hot-knife-driven locking separation device |
| CN103350759A (en) * | 2013-06-20 | 2013-10-16 | 北京航空航天大学 | Emergency thermal cutting device for inhaul cable of coiled space stretching arm |
| CN105364995A (en) * | 2015-12-21 | 2016-03-02 | 常州市肯迪电器制造有限公司 | Blade provided with bars and used for electric cutter |
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2016
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