CN109287010A - The heating means of carbon fibre composite support construction - Google Patents
The heating means of carbon fibre composite support construction Download PDFInfo
- Publication number
- CN109287010A CN109287010A CN201811258121.0A CN201811258121A CN109287010A CN 109287010 A CN109287010 A CN 109287010A CN 201811258121 A CN201811258121 A CN 201811258121A CN 109287010 A CN109287010 A CN 109287010A
- Authority
- CN
- China
- Prior art keywords
- electrode
- carbon fibre
- fibre composite
- support construction
- heating means
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/03—Electrodes
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- Resistance Heating (AREA)
Abstract
The present invention relates to a kind of heating means of carbon fibre composite support construction for spacecraft, include the following steps: that first electrode is respectively set at the both ends of the carbon fibre composite support construction；Second electrode is set between the both ends of the carbon fibre composite support construction, and second electrode is opposite with the polarity of the first electrode；Connect external power supply, wherein the first electrode is connect with a pole identical with its polarity in the external power supply, and the second electrode is connect with a pole identical with its polarity in the external power supply；Electrified regulation.Heating means in the present invention utilize carbon fibre composite support construction self-resistance characteristic, according to Joule's law, each component is heated by way of connection electrode directly on carbon fiber composite structure part, so that carbon fibre composite support component itself becomes heating element, other heating elements are not used, can be heated to avoid to other carbon fibre composite support components.
Description
Technical field
The present invention relates to space flight and aviation technical field, specifically, the present invention design it is a kind of compound for spacecraft carbon fiber
The heating means of materials for support structure.
Background technique
With being continuously increased for spacecraft own vol and weight, the requirement to spacecraft support construction loss of weight is also accordingly mentioned
It rises.Metal support structure has no longer met the requirement of large volume support construction since its density is excessive.Therefore advanced composite material (ACM) is outstanding
It is that carbon fibre composite application increasingly highlights.Carbon fibre composite is simultaneously with brilliant mechanical property and the swollen spy of low line
Point becomes unique selection in certain structure design and select materials.
Carbon fibre composite support construction needs Active thermal control to maintain reasonable temperature during spacecraft operation on orbit
It is horizontal.Traditional active heating means are to be filled using temperature sensor as temperature-control senser using film-type heating sheet as heating
It sets, heated for controlling temperature is carried out to carbon fibre composite support construction by powering to film-type heating sheet.Film-type heating
Piece needs to be bonded in structural member surface by adhesive.Adhesive itself thermal coefficient is low, in heating sheet and carbon fiber after bonding
One layer of thermoresistance layer is formed between supporting structure, reduces heating efficiency；It is swollen for extremely low line since adhesive itself line is swollen larger
The support construction overall wire of carbon fibre composite composition is swollen to be had an impact；The use of multiple heating sheets increases multiple circuits
Contact reduces the reliability of heat control system.
Therefore, the prior art requires further improvement.
Summary of the invention
Technical problem solved by the present invention is providing, a kind of heating efficiency is high, carbon fibre composite branch of high reliablity
The heating means of support structure.
To achieve the above object, the invention adopts the following technical scheme:
A kind of heating means of carbon fibre composite support construction, the heating means include the following steps:
First electrode is respectively set at the both ends of the carbon fibre composite support construction；In the carbon fiber composite
Expect that second electrode is arranged between the both ends of support construction, second electrode is opposite with the polarity of the first electrode；Connect external electricity
Source, wherein the first electrode is connect with a pole identical with its polarity in the external power supply, the second electrode with it is described
A pole identical with its polarity is connect in external power supply；Electrified regulation.
Preferably, the first electrode is anode, and the second electrode is cathode.
Preferably, the first electrode is connect with the anode of the external power supply, the second electrode and the external electricity
The cathode in source connects.
Preferably, the first electrode is cathode, and the second electrode is anode.
Preferably, the first electrode is connect with the cathode of the external power supply, the second electrode and the external electricity
The anode connection in source.
Preferably, the first electrode and the second electrode are copper electrode.
Preferably, the carbon is arranged in the first electrode and/or the second electrode by way of winding or being embedded in
In fibrous composite support construction.
Preferably, the local surfaces that the carbon fibre composite support construction winds the copper electrode grind off its surface tree
Rouge.
The heating means of carbon fibre composite support construction provided by the invention have the advantages that
1) other heating elements are not used when to carbon fibre composite support construction heated for controlling temperature, keep carbon fiber compound
Materials for support structure itself becomes heat generating component, saves the demand of thermal control resource.
2) heating means improve the reliability of heat control system, improve the utilization rate of heating power consumption, reduce carbon fiber
Composite material support structure overall deformation is not influenced by heat control system；
3) electrode connection mode in heating means only heats target carbon fiber composite material support structure, avoids
The loop of remaining carbon fibre composite support construction composition is heated, and improves heating efficiency.
Detailed description of the invention
Fig. 1 is traditional carbon fibres composite material support structure heating means schematic diagram.
Fig. 2 is the schematic diagram of the heating means of carbon fibre composite support construction of the present invention.
Wherein:
1, carbon fibre composite support construction 4, external power supply
2, positive 5, film-type heating sheet
3, cathode
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and specific implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain this hair
It is bright, but not to limit the present invention.
Refering to Figure 1, Fig. 1 is traditional carbon fibres composite material support structure heating means schematic diagram.
The conventional heating methods of carbon fibre composite support construction 1 are incited somebody to action using film-type heating sheet as heating device
Film-type heating sheet 5 is bonded in structural member surface by adhesive, by powering film-type heating sheet 5 to multiple to carbon fiber
Condensation material support construction 1 carries out heated for controlling temperature.On the one hand, since adhesive itself thermal coefficient is low, after bonding heating sheet with
One layer of thermoresistance layer is formed between carbon fiber supporting structure, reduces heating efficiency；On the other hand, since adhesive itself line is swollen
Larger, the support construction overall wire of carbon fibre composite composition swollen for extremely low line is swollen to be had an impact, and multiple heating sheets make
With increasing multiple circuit junctions, reduce the reliability of heat control system.
The present invention is based on the above problems, propose a kind of heating means of new carbon fibre composite support construction, add
The thermal efficiency is high, and when carbon fibre composite support construction heated for controlling temperature does not use other heating elements, makes carbon fiber composite
Expect that support construction itself becomes heat generating component, saves the demand of thermal control resource.
Specifically, a kind of heating means of carbon fibre composite support construction, heating means include the following steps:
First electrode is respectively set at the both ends of carbon fibre composite support construction；
Second electrode, the pole of second electrode and first electrode are set between the both ends of carbon fibre composite support construction
Property is opposite；
Connect external power supply, wherein first electrode is connect with a pole identical with its polarity in external power supply, second electrode
It is connect with a pole identical with its polarity in external power supply；
Electrified regulation.
In a specific embodiment, first electrode is anode, and second electrode is cathode.First electrode and external electricity
The cathode of the anode connection in source, second electrode and external power supply connects.After connection, it is powered to carbon fibre composite support construction
It is heated.
In another particular embodiment of the invention, first electrode is cathode, and second electrode is anode.First electrode with it is external
The cathode of power supply connects, and the anode of second electrode and external power supply connects.After connection, it is powered to supporting carbon fibre composite and ties
Structure is heated.
Preferably, first electrode and second electrode are copper electrode.It example but does not limit, first electrode and/or the second electricity
Pole is arranged in carbon fibre composite support construction by way of winding or being embedded in.
Preferably, the local surfaces of carbon fibre composite support construction winding copper electrode grind off its surface resin, wind
Or fastening copper electrode.
Specifically, please referring to shown in Fig. 2,3 copper electrodes (2,3) are set on the boundary of carbon fiber support construction 1, wherein 3
It is cathode 3 that 2, which are 2,1, anode, in a copper electrode.2 anodes 2 connect the anode of external power supply 4, and 1 cathode 3 connects external
The cathode of power supply 4 forms two sections of parallel relationship circuits.
With 1 example of tubulose carbon fibre composite support construction in Fig. 2, made with flexible copper rings of material around support construction one week
For electrode, resistance value is R between each positive 2 and cathode 3, and tubulose carbon fibre composite is supported according to Joule's law and is tied
Structure entirety heating power consumption is 2U2/ R, U are the output voltage of external power supply 4.
This method becomes heat generating component by step mode itself with carbon fiber support construction, uses three electrode connection sides
Formula does not use traditional film-type heating sheet as heating element, is heated carbon fibre composite branch so as to avoid removing
Other support constructions outside support structure are heated the appearance of situation as caused by conduction.
The above described specific embodiments of the present invention are not intended to limit the scope of the present invention..Any basis
Any other various changes and modifications made by technical concept of the invention should be included in the guarantor of the claims in the present invention
It protects in range.
Claims (8)
1. a kind of heating means of carbon fibre composite support construction, which is characterized in that the heating means include following step
It is rapid:
First electrode is respectively set at the both ends of the carbon fibre composite support construction；
Second electrode, second electrode and the first electrode are set between the both ends of the carbon fibre composite support construction
Polarity it is opposite；
Connect external power supply, wherein the first electrode is connect with a pole identical with its polarity in the external power supply, described
Second electrode is connect with a pole identical with its polarity in the external power supply；
Electrified regulation.
2. heating means according to claim 1, it is characterised in that: the first electrode is anode, the second electrode
For cathode.
3. heating means according to claim 2, it is characterised in that: the anode of the first electrode and the external power supply
Connection, the second electrode are connect with the cathode of the external power supply.
4. heating means according to claim 1, it is characterised in that: the first electrode is cathode, the second electrode
For anode.
5. heating means according to claim 4, it is characterised in that: the cathode of the first electrode and the external power supply
Connection, the second electrode are connect with the anode of the external power supply.
6. heating means according to claim 1, it is characterised in that: the first electrode and the second electrode are electric for copper
Pole.
7. heating means according to claim 6, it is characterised in that: the first electrode and/or the second electrode are logical
The mode for crossing winding or insertion is arranged in the carbon fibre composite support construction.
8. heating means according to claim 7, it is characterised in that: the carbon fibre composite support construction winds institute
The local surfaces for stating copper electrode grind off its surface resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811258121.0A CN109287010A (en) | 2018-10-26 | 2018-10-26 | The heating means of carbon fibre composite support construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811258121.0A CN109287010A (en) | 2018-10-26 | 2018-10-26 | The heating means of carbon fibre composite support construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109287010A true CN109287010A (en) | 2019-01-29 |
Family
ID=65177408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811258121.0A Pending CN109287010A (en) | 2018-10-26 | 2018-10-26 | The heating means of carbon fibre composite support construction |
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| Country | Link |
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| CN (1) | CN109287010A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61231222A (en) * | 1985-04-05 | 1986-10-15 | Sumitomo Electric Ind Ltd | Production of carbon fiber reinforced carbon composite material |
| CN103442468A (en) * | 2013-08-19 | 2013-12-11 | 钱光耀 | Immersion type non-metallic electric heating tube for liquid |
| CN105549306A (en) * | 2015-12-21 | 2016-05-04 | 中国科学院长春光学精密机械与物理研究所 | Light-weight robust thermal control apparatus used for carbon fiber main supporting structure camera |
| CN106114912A (en) * | 2016-08-12 | 2016-11-16 | 上海卫星工程研究所 | GEO track Rotating Platform for High Precision Star Sensor high stable in-orbit points to ensuring method |
| CN108081518A (en) * | 2017-12-20 | 2018-05-29 | 南京航空航天大学 | A kind of carbon fibre reinforced composite electrical loss heating temperature field Active Control Method |
| CN108366441A (en) * | 2018-03-13 | 2018-08-03 | 张治国 | The preparation method of high-efficiency electric-heating converting ceramic element |
| CN108407340A (en) * | 2018-03-26 | 2018-08-17 | 南京航空航天大学 | Apparatus for coating and restorative procedure are quickly reviewed one's lessons by oneself in a kind of composite element outfield |
-
2018
- 2018-10-26 CN CN201811258121.0A patent/CN109287010A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61231222A (en) * | 1985-04-05 | 1986-10-15 | Sumitomo Electric Ind Ltd | Production of carbon fiber reinforced carbon composite material |
| CN103442468A (en) * | 2013-08-19 | 2013-12-11 | 钱光耀 | Immersion type non-metallic electric heating tube for liquid |
| CN105549306A (en) * | 2015-12-21 | 2016-05-04 | 中国科学院长春光学精密机械与物理研究所 | Light-weight robust thermal control apparatus used for carbon fiber main supporting structure camera |
| CN106114912A (en) * | 2016-08-12 | 2016-11-16 | 上海卫星工程研究所 | GEO track Rotating Platform for High Precision Star Sensor high stable in-orbit points to ensuring method |
| CN108081518A (en) * | 2017-12-20 | 2018-05-29 | 南京航空航天大学 | A kind of carbon fibre reinforced composite electrical loss heating temperature field Active Control Method |
| CN108366441A (en) * | 2018-03-13 | 2018-08-03 | 张治国 | The preparation method of high-efficiency electric-heating converting ceramic element |
| CN108407340A (en) * | 2018-03-26 | 2018-08-17 | 南京航空航天大学 | Apparatus for coating and restorative procedure are quickly reviewed one's lessons by oneself in a kind of composite element outfield |
Non-Patent Citations (2)
| Title |
|---|
| 刘光 等: "空间相机碳纤维桁架导热增强设计", 《光学 精密工程》 * |
| 王志平 等: "CFRP复合材料电热特性及力学性能测试与分析", 《中国民航大学学报》 * |
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Application publication date: 20190129 |