CN105208691A - Novel heater based on PTC (Positive Temperature Coefficient) material - Google Patents
Novel heater based on PTC (Positive Temperature Coefficient) material Download PDFInfo
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- CN105208691A CN105208691A CN201510486298.6A CN201510486298A CN105208691A CN 105208691 A CN105208691 A CN 105208691A CN 201510486298 A CN201510486298 A CN 201510486298A CN 105208691 A CN105208691 A CN 105208691A
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- temperature coefficient
- ptc material
- positive temperature
- coefficient ptc
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Abstract
The invention relates to a novel heater based on a PTC material. The novel heater mainly comprises a heating sheet of the PTC material, conducive slices, polyimides films and leads, wherein the heating sheet of the PTC material is placed at a middle position between the conducive slices, the leads are connected to the conductive slices to supply power to the heater, and the conductive slices are wrapped in the polyimides films to realize insulation. The novel heater can control the temperature adaptively according the Curie characteristic of the PTC material, satellite resources are effectively reduced, the cost is reduced, and temperature control is higher in precision.
Description
Technical field
The invention belongs to and belong to satellite temperature control technology field, relate to a kind of new type heater based on positive temperature coefficient ptc material.
Background technology
At present, along with the complexity day by day of moonlet function, moonlet or the demand of microsatellite heat control system to whole star resource also increasing, on current star active temperature control means adopt the polyimide film heater using resistance wire as heating carrier carry out temperature control on star.It is made up of resistance wire, polyimide film and lead-in wire, this heater is commonly used temperature control on the star of moonlet at present, but this heater temperature control needs thermal control slave computer on On board computer or star to carry out auxiliary realizing temperature controlling function, if realize the temperature control of degree of precision, need high accuracy temperature control algorithm could realize higher temperature control object especially, occupy Star Service host data on a large amount of stars.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, propose a kind of new type heater based on positive temperature coefficient ptc material, reach the object of self adaptation temperature control, effectively decrease resource on star, reduce cost, can realize being better than ± the high accuracy temperature control of 0.02 DEG C.
Above-mentioned purpose of the present invention is achieved by following technical solution:
Based on a new type heater for positive temperature coefficient ptc material, be made up of positive temperature coefficient ptc material heating plate, conductive foil, polyimide film and lead-in wire; Wherein positive temperature coefficient ptc material heating plate places centre position, and positive temperature coefficient ptc material heating plate places conductive foil up and down, and lead-in wire is connected with conductive foil, realizes insulation at the upper and lower coated polyimide film of conductive foil.
At above-mentioned a kind of new type heater based on positive temperature coefficient ptc material, described positive temperature coefficient ptc material heating plate is the thin slice of thickness 0.1mm ~ 0.5mm, positive temperature coefficient ptc material heating plate is set to multiple bar shaped distribution shape arranged side by side, and each bar shaped gap is 2-6mm.
At above-mentioned a kind of new type heater based on positive temperature coefficient ptc material, described conductive foil thickness is 0.05-0.15mm, and conductive foil is square or circular.
A kind of new type heater based on positive temperature coefficient ptc material stated, is characterized in that: described conductive foil is connected with gage lap, realizes the power supply to the new type heater based on positive temperature coefficient ptc material.
At above-mentioned a kind of new type heater based on positive temperature coefficient ptc material, it is characterized in that: the thickness of described polyimide film is 0.005-0.01mm.
The present invention's advantage is compared with prior art:
(1) this new type heater is optimized design to existing heater structure, adopt positive temperature coefficient ptc material heating plate, conductive foil, polyimide film and lead-in wire sandwich construction, according to Curie's characteristic of positive temperature coefficient ptc material, arrive within the scope of Curie temperature in temperature, due to the increase of its resistance value, heating power reduces rapidly, can realize self adaptation temperature control;
(2) this new type heater, does not need house keeping computer height on star to adopt precision temperature control algorithm to calculate and can realize self adaptation temperature control, without the need to taking house keeping computer or thermal control slave computer resource on star;
(3) this new type heater, adopts positive temperature coefficient ptc material heating plate, according to Curie's characteristic of positive temperature coefficient ptc material, can realize being better than ± the high accuracy temperature control of 0.02 DEG C.
(4) this new type heater, positive temperature coefficient ptc material heating plate adopts multiple bar shaped distribution shape arranged side by side, and is optimized design to the gap of each bar shaped, and interstice coverage is 2-6mm, heat treated and high accuracy temperature control evenly and rapidly can be realized, effectively reduce the weight of heater.
Accompanying drawing explanation
Fig. 1 is a kind of Novel heater structure schematic diagram based on positive temperature coefficient ptc material of the present invention;
Fig. 2 is a kind of new type heater based on positive temperature coefficient ptc material of the present invention and conventional heater temperature control comparison diagram;
Fig. 3 is the schematic diagram of a kind of new type heater positive temperature coefficient ptc material heating plate based on positive temperature coefficient ptc material of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Be illustrated in figure 1 a kind of Novel heater structure schematic diagram based on positive temperature coefficient ptc material, be made up of positive temperature coefficient ptc material heating plate 1, conductive foil 2, polyimide film 3 and lead-in wire 4; Wherein positive temperature coefficient ptc material heating plate 1 places centre position, and positive temperature coefficient ptc material heating plate about 1 places conductive foil 2, and lead-in wire 4 is connected with conductive foil 2, realizes insulation at the coated polyimide film 3 of conductive foil about 2.
Be illustrated in figure 3 a kind of schematic diagram based on positive temperature coefficient ptc material heating plate, positive temperature coefficient ptc material heating plate 1 is the thin slice of thickness 0.1mm ~ 0.5mm as shown in Figure 3, be positioned at centre position, positive temperature coefficient ptc material heating plate 1 is set to multiple bar shaped distribution shape arranged side by side, each bar shaped gap 5 is 2-6mm, heat treated and high accuracy temperature control evenly and rapidly can be realized, effectively reduce the weight of heater; In the present embodiment, the thickness of positive temperature coefficient ptc material heating plate 1 thin slice is 0.3mm, and each bar shaped gap 5 is 5mm.
Be illustrated in figure 1 a kind of Novel heater structure schematic diagram based on positive temperature coefficient ptc material, described conductive foil 2 thickness is 0.05-0.15mm, conductive foil 2 is square or circular, and the conductive foil 2 in the present embodiment is square aluminum thin slice, and thickness is 0.1mm.
Be illustrated in figure 1 a kind of Novel heater structure schematic diagram based on positive temperature coefficient ptc material, conductive foil 2 as shown in the figure welds with lead-in wire 4 and adopts overlapping mode, guarantee that solder joint is little and level and smooth, do not stay burr, prevent solder joint to dielectric polyimide film 3 scratch of its outer surface, cause electric leakage, realize the power supply to the new type heater based on positive temperature coefficient ptc material.
Be illustrated in figure 1 a kind of Novel heater structure schematic diagram based on positive temperature coefficient ptc material, the thickness of polyimide film 3 is 0.005-0.01mm as shown in the figure, the polyimide film 3 in the present embodiment, and thickness is 0.008mm.
Be illustrated in figure 2 the present embodiment and conventional heater temperature control comparison diagram, as shown in the figure this new type heater, adopt positive temperature coefficient ptc material heating plate, according to Curie's characteristic of positive temperature coefficient ptc material, can realize being better than ± the high accuracy temperature control of 0.02 DEG C.
The content be not described in detail in specification of the present invention belongs to the known technology of professional and technical personnel in the field.
Claims (5)
1., based on a new type heater for positive temperature coefficient ptc material, it is characterized in that being made up of positive temperature coefficient ptc material heating plate (1), conductive foil (2), polyimide film (3) and lead-in wire (4); Wherein positive temperature coefficient ptc material heating plate (1) places centre position, positive temperature coefficient ptc material heating plate (1) places conductive foil (2) up and down, lead-in wire (4) is connected with conductive foil (2), realizes insulation the upper and lower coated polyimide film (3) of conductive foil (2).
2. a kind of new type heater based on positive temperature coefficient ptc material according to claim 1, it is characterized in that: the thin slice that positive temperature coefficient ptc material heating plate (1) is thickness 0.1mm ~ 0.5mm, positive temperature coefficient ptc material heating plate (1) is set to multiple bar shaped distribution shape arranged side by side, and each bar shaped gap (5) is 2-6mm.
3. a kind of new type heater based on positive temperature coefficient ptc material according to claim 1, is characterized in that: described conductive foil (2) thickness is 0.05-0.15mm, and conductive foil (2) is for square or circular.
4. a kind of new type heater based on positive temperature coefficient ptc material according to claim 1, it is characterized in that: described conductive foil (2) overlaps with lead-in wire (4) and is connected, and realizes the power supply to the new type heater based on positive temperature coefficient ptc material.
5. a kind of new type heater based on positive temperature coefficient ptc material according to claim 1, is characterized in that: the thickness of described polyimide film (3) is 0.005-0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486298.6A CN105208691A (en) | 2015-08-10 | 2015-08-10 | Novel heater based on PTC (Positive Temperature Coefficient) material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486298.6A CN105208691A (en) | 2015-08-10 | 2015-08-10 | Novel heater based on PTC (Positive Temperature Coefficient) material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105208691A true CN105208691A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510486298.6A Pending CN105208691A (en) | 2015-08-10 | 2015-08-10 | Novel heater based on PTC (Positive Temperature Coefficient) material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803728A (en) * | 2018-06-01 | 2018-11-13 | 北京空间飞行器总体设计部 | A kind of spacecraft self-regulation temp controlling heater |
| CN110248430A (en) * | 2019-07-09 | 2019-09-17 | 上海长擎实业有限公司 | A kind of full polyimides electric heating sheets of no glue and its spot welding processing resistance welder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206529Y (en) * | 1995-01-03 | 1995-08-30 | 李锦源 | Positive temp. coefficient thermal resistor heater |
| DE19957452A1 (en) * | 1999-11-19 | 2001-05-23 | Behr France Sarl | Electrical additional heat exchanger for motor vehicles has positive temperature coefficient (PTC) heating elements and sensors in thermal contact with the cooling fins |
| CN201230379Y (en) * | 2008-07-16 | 2009-04-29 | 苏伟锋 | PTC heating element |
| CN104053257A (en) * | 2014-06-10 | 2014-09-17 | 孝感华工高理电子有限公司 | PTC heating rod and manufacturing method thereof |
-
2015
- 2015-08-10 CN CN201510486298.6A patent/CN105208691A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206529Y (en) * | 1995-01-03 | 1995-08-30 | 李锦源 | Positive temp. coefficient thermal resistor heater |
| DE19957452A1 (en) * | 1999-11-19 | 2001-05-23 | Behr France Sarl | Electrical additional heat exchanger for motor vehicles has positive temperature coefficient (PTC) heating elements and sensors in thermal contact with the cooling fins |
| CN201230379Y (en) * | 2008-07-16 | 2009-04-29 | 苏伟锋 | PTC heating element |
| CN104053257A (en) * | 2014-06-10 | 2014-09-17 | 孝感华工高理电子有限公司 | PTC heating rod and manufacturing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803728A (en) * | 2018-06-01 | 2018-11-13 | 北京空间飞行器总体设计部 | A kind of spacecraft self-regulation temp controlling heater |
| CN110248430A (en) * | 2019-07-09 | 2019-09-17 | 上海长擎实业有限公司 | A kind of full polyimides electric heating sheets of no glue and its spot welding processing resistance welder |
| CN110248430B (en) * | 2019-07-09 | 2021-08-31 | 上海长擎实业有限公司 | Non-glue full polyimide electric heating plate and resistance welding machine for spot welding processing |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |
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| RJ01 | Rejection of invention patent application after publication |