CN104571176B - High-precision zone control temperature simulation device - Google Patents
High-precision zone control temperature simulation device Download PDFInfo
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- CN104571176B CN104571176B CN201410740029.3A CN201410740029A CN104571176B CN 104571176 B CN104571176 B CN 104571176B CN 201410740029 A CN201410740029 A CN 201410740029A CN 104571176 B CN104571176 B CN 104571176B
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Abstract
The invention discloses a high-precision zone control temperature simulation device which comprises a fan-shaped external frame, a specular reflection plate and a plurality of armored electric heating wires, wherein the armored electric heating wires are fixed on the specular reflection plate via screws; ceramic heat insulation cushion blocks are arranged between the electric heating wires and the specular reflection plate; the armored electric heating wires form a barrel heating zone and heating planes at the two end parts; each of the heating planes at the two end parts is a heating zone; the barrel heating zone is divided into three heating zone parts; and each heating zone part is powered on independently and controlled individually. According to the device, five independent temperature control zones are divided on the device for stand-alone component testing devices with different contours and sizes, each zone has an independent PID (Proportion Integration Differentiation) regulation parameter corresponding to different temperature control points, and can achieve better temperature uniformity. The device has a smaller shielding rate for a heat sink, and effectively increases heat exchange area of a wall surface of the heat sink for a test product in a cooling process.
Description
Technical field
The present invention relates to a kind of temperature simulator is and in particular to a kind of zonal control high-precision temperature analogue means.
Background technology
The temperature simulator that space environment simulation test mainly adopts：Infrared lamp arrays, infrared heating cage and solar simulation
Device.Above-mentioned three kinds of temperature simulator respectively have pluses and minuses, for different equipment, select and respectively have choice, common the asking of each device
Topic is as follows：
(1) infrared lamp arrays：Temperature homogeneity is poor, poor universality.
(2) solar simulator：High cost, should not use in small size vacuum tank.
(3) infrared heating cage：Temperature range is narrow, blocks big, impact rate of temperature fall to heat sink.
All very high test is required for temperature homogeneity, temperature-controlled precision and temperature rate, above-mentioned three kinds of equipment are all
Cannot meet.Therefore, make to measure, so for test temperature index more than the temperature simulator in space environment simulation test
Just cause the waste of equipment.
Still do not have suitable temperature simulator can adopt on domestic market.A kind of device of design need to be invented and solve temperature
Degree lack of homogeneity, temperature-controlled precision is low, and rate of temperature fall is slow, the problems such as poor universality.
Content of the invention
For satellite unit parts, in space environment simulation test, poor temperature uniformity, temperature-controlled precision are low, cooling speed
Rate is slow, the problems such as poor universality, the invention provides a kind of zonal control high-precision temperature analogue means.
For solving above-mentioned technical problem, embodiments of the invention provide a kind of zonal control high-precision temperature analogue means,
Including fan-shaped outside framework, minute surface reflection of light plate and some armouring electrical heating wires, described armouring electrical heating wire is fixed by screws in
On described minute surface reflection of light plate, between described electrical heating wire and described minute surface reflection of light plate, it is provided with ceramic heat-insulating cushion block, described armouring electricity
Heater strip forms the flat heated of the cartridge type thermal treatment zone and two ends, and the flat heated of described two ends is respectively one and adds
Hot-zone, the described cartridge type thermal treatment zone is divided into 3 thermals treatment zone, and each thermal treatment zone is independently-powered, controls respectively, described armouring heating wire
Including metal shell and heating wire heart yearn, described metal shell is wrapped in outside described heating wire heart yearn, in described heating wire heart yearn
It is filled with magnesia, described metal shell two ends are provided with cold end, described armouring heating wire is connected with wire by cold end, described lead
Line is concluded in connecting groove after the completion of connecting, and is connected to flange by an end of connecting groove, described flange is provided with multiple heating wires
Binding post and thermocouple crossing cabin seal, described heating wires binding post and thermocouple crossing cabin seal 11 are welded by sealed welding
It is connected on flange.
Wherein, described thermocouple crossing cabin seal inner surface is sealing surface, is sealed by sealing ring.
Wherein, each described thermal treatment zone adopts independent PID regulation parameter.
The having the beneficial effect that of the technique scheme of the present invention：Unit parts for different appearance profiles, size
Experimental rig, and five independent temperature controlled zone are divided on device, each region has independent PID regulation parameter, right
Answer different temperature controlling points, preferable temperature homogeneity can be reached.When using single-point temperature control, can guarantee that very high temperature-controlled precision；
Good temperature homogeneity can be reached during subregion temperature control.Device is less to heat sink shielding rate, in temperature-fall period, effectively increases
Add the heat exchange area to test products for the heat sink wall.
Brief description
Fig. 1 is embodiment of the present invention zonal control high-precision temperature analogue means side block diagram.
Fig. 2 faces structure chart for embodiment of the present invention zonal control high-precision temperature analogue means.
Fig. 3 is armouring electrical heating wire structure chart in embodiment of the present invention zonal control high-precision temperature analogue means.
Fig. 4 is the enlarged drawing of A.
Fig. 5 is connector flange arrangement figure in embodiment of the present invention zonal control high-precision temperature analogue means.
In figure：1st, fan-shaped outside framework；2nd, minute surface reflection of light plate；3rd, connecting groove；4th, armouring electrical heating wire；5th, ceramic heat-insulating cushion
Block；6th, cold end；7th, heating wire heart yearn；8th, magnesia；9 heating wire metal shells；10th, heating wires binding post；11st, thermocouple is worn
Cabin seal.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
As Figure 1-5, embodiments provide a kind of zonal control high-precision temperature analogue means, including fan-shaped
Outside framework 1, minute surface reflection of light plate 2 and some armouring electrical heating wires 4, described armouring electrical heating wire 4 is fixed by screws in described
On minute surface reflection of light plate 2, between described electrical heating wire 4 and described minute surface reflection of light plate 2, it is provided with ceramic heat-insulating cushion block 5, described armouring electricity
Heater strip 4 forms the flat heated of the cartridge type thermal treatment zone and two ends, and the flat heated of described two ends is respectively one
The thermal treatment zone, the described cartridge type thermal treatment zone is divided into 3 thermals treatment zone, and each thermal treatment zone is independently-powered, controls respectively, described armouring electric heating
Silk 4 includes metal shell 9 and heating wire heart yearn 7, and described metal shell 9 is wrapped in outside described heating wire heart yearn 7, described heating wire
It is filled with magnesia 8, described metal shell 9 two ends are provided with cold end 6, described armouring heating wire 4 passes through cold end 6 and leads in heart yearn 7
Line is connected, and described wire is concluded in connecting groove 3 after the completion of connecting, and is connected to flange by an end of connecting groove 3, described flange sets
There are multiple heating wires binding posts 10 and thermocouple crossing cabin seal 11, described heating wires binding post 10 and thermocouple crossing cabin close
Sealing 11 is welded on flange by sealed welding
Described thermocouple crossing cabin seal 11 inner surface is sealing surface, is sealed by sealing ring.
Each described thermal treatment zone adopts independent PID regulation parameter.
Originally it is embodied as using armouring electrical heating wire as heater, heater strip own temperature is high, in the wiring of heater strip
It is heat-insulated that end carries out cold end, prevents heating wires temperature too high.Design minute surface reflection of light plate in heater strip towards heat sink one side, improve
Radiation heat transfer efficiency.Armouring heating wire is bent into cartridge type, is fixed on minute surface reflection of light plate by ceramic insulation pad, then with profile
Framework is fixed.
Originally it is embodied as being applied in space environment simulation test, is entered detection, the temperature uniformity of test products can be reached
Arrive ± 3 DEG C, temperature-controlled precision can reach ± 0.1 DEG C.
In sum, originally it is embodied as the unit parts experimental rig for different appearance profiles, size, and in dress
Put and be divided into five independent temperature controlled zone, each region has independent PID regulation parameter, the different temperature controlling point of correspondence, energy
Reach preferable temperature homogeneity.When using single-point temperature control, can guarantee that very high temperature-controlled precision；Can reach good during subregion temperature control
Good temperature homogeneity.Device is less to heat sink shielding rate, in temperature-fall period, is effectively increased heat sink wall to test
The heat exchange area of product.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various modifications or modification within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (3)
1. a kind of zonal control high-precision temperature analogue means it is characterised in that include fan-shaped outside framework, minute surface reflection of light plate and
Some armouring electrical heating wires, described armouring electrical heating wire is fixed by screws on described minute surface reflection of light plate, described electrical heating wire
It is provided with ceramic heat-insulating cushion block and described minute surface reflection of light plate between, described armouring electrical heating wire forms the cartridge type thermal treatment zone and two ends
The flat heated in portion, the flat heated of described two ends is respectively a thermal treatment zone, and the described cartridge type thermal treatment zone is divided into 3 and adds
Hot-zone, each thermal treatment zone is independently-powered, controls respectively, and described armouring heating wire includes metal shell and heating wire heart yearn, described
Metal shell is wrapped in outside described heating wire heart yearn, is filled with magnesia in described heating wire heart yearn, described metal shell two ends
It is provided with cold end, described armouring heating wire is connected with wire by cold end, described wire is concluded in connecting groove after the completion of connecting, by
One end of connecting groove is connected to flange, and described flange is provided with multiple heating wires binding posts and thermocouple crossing cabin seal, described
Heating wires binding post and thermocouple crossing cabin seal are welded on flange by sealed welding.
2. a kind of zonal control high-precision temperature analogue means according to claim 1 is it is characterised in that described thermocouple
Crossing cabin seal inner surface is sealing surface, is sealed by sealing ring.
3. a kind of zonal control high-precision temperature analogue means according to claim 1 is it is characterised in that described each
The thermal treatment zone adopts independent PID regulation parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410740029.3A CN104571176B (en) | 2014-12-05 | 2014-12-05 | High-precision zone control temperature simulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410740029.3A CN104571176B (en) | 2014-12-05 | 2014-12-05 | High-precision zone control temperature simulation device |
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| Publication Number | Publication Date |
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| CN104571176A CN104571176A (en) | 2015-04-29 |
| CN104571176B true CN104571176B (en) | 2017-02-22 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388938A (en) * | 2015-11-23 | 2016-03-09 | 上海卫星装备研究所 | Precise temperature control device applied to large-sized non-collimated earth simulator |
| CN106292767B (en) * | 2016-10-27 | 2018-08-21 | 北京瑞尔腾普科技有限公司 | Subregion temperature-controlling system and device |
| CN109655268A (en) * | 2017-10-10 | 2019-04-19 | 中国航发商用航空发动机有限责任公司 | For simulating the experimental facilities of casing |
| CN107885253B (en) * | 2017-11-21 | 2024-05-03 | 中国工程物理研究院电子工程研究所 | Precise temperature control device for semiconductor device dose rate effect experiment |
| CN108594883A (en) * | 2018-03-01 | 2018-09-28 | 常熟市虞华真空设备科技有限公司 | High precision temperature control case |
| CN110514120A (en) * | 2019-08-26 | 2019-11-29 | 北京卫星环境工程研究所 | Displacement measurement system for vacuum low-temperature environment |
| CN110822903B (en) * | 2019-11-27 | 2022-02-18 | 湖南红太阳光电科技有限公司 | Electric heating furnace body |
| CN114489180A (en) * | 2022-01-25 | 2022-05-13 | 北京卫星环境工程研究所 | Multi-zone independent temperature control method for thermal vacuum test |
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| US6031486A (en) * | 1998-12-03 | 2000-02-29 | Trw Inc. | Method and apparatus for integration and testing of satellites |
| CN101576359A (en) * | 2008-12-23 | 2009-11-11 | 中国航天科技集团公司第五研究院第五一○研究所 | Dual-medium (liquid nitrogen and alcohol) compatible heat sink system for space environment simulation test equipment |
| CN102539181A (en) * | 2011-12-08 | 2012-07-04 | 北京空间飞行器总体设计部 | Method for testing ground surface heat of complex space mechanism |
| CN102650890A (en) * | 2012-04-24 | 2012-08-29 | 湖南迪斯生物技术有限公司 | Self-adaptive PID (proportion integration differentiation) temperature control method |
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| US6031486A (en) * | 1998-12-03 | 2000-02-29 | Trw Inc. | Method and apparatus for integration and testing of satellites |
| CN101576359A (en) * | 2008-12-23 | 2009-11-11 | 中国航天科技集团公司第五研究院第五一○研究所 | Dual-medium (liquid nitrogen and alcohol) compatible heat sink system for space environment simulation test equipment |
| CN102539181A (en) * | 2011-12-08 | 2012-07-04 | 北京空间飞行器总体设计部 | Method for testing ground surface heat of complex space mechanism |
| CN102650890A (en) * | 2012-04-24 | 2012-08-29 | 湖南迪斯生物技术有限公司 | Self-adaptive PID (proportion integration differentiation) temperature control method |
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| CN104571176A (en) | 2015-04-29 |
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