CN107484266A - Infrared heating cage motion driving system under vacuum low-temperature environment - Google Patents
Infrared heating cage motion driving system under vacuum low-temperature environment Download PDFInfo
- Publication number
- CN107484266A CN107484266A CN201710573340.7A CN201710573340A CN107484266A CN 107484266 A CN107484266 A CN 107484266A CN 201710573340 A CN201710573340 A CN 201710573340A CN 107484266 A CN107484266 A CN 107484266A
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- Prior art keywords
- infrared heating
- control system
- heating cage
- temperature
- motion
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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
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- Control Of Resistance Heating (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses a kind of infrared heating cage motion driving system being applied under vacuum low-temperature environment, it is made up of dynamical system, transmission system, control system and heat control system, dynamical system realizes power output, the motion control of infrared heating cage is realized by transmission system, and infrared heating cage registration is ensured according to displacement, speed and the feedback signal such as spacing, transmission system realizes unlatching/closedown campaign of heating cage.Control system is except can also be integrated with the functions such as angle monitor, spacing alarm, heat control system is to ensure that dynamical system is remained in normal operating temperature range in addition to motor realizes the start and stop of mechanical system.The present invention realizes heat test under vacuum low-temperature environment and accurately rotarily opens/closedown campaign with large-scale infrared heating cage, and the system may extend away and be applied to realize other motion controls of laminated structure test specimen under vacuum low-temperature environment.
Description
Technical field
The invention belongs to space environment simulation field, and in particular to one kind is used for infrared heating cage under vacuum low-temperature environment and transported
Dynamic drive system.
Background technology
Vacuum low-temperature environment refers generally to vacuum and is up to 1 × 10-4Pa, and temperature is minimum to reach about 100K.It is low in vacuum at present
Only had the infrared heating cage motion moved in parallel under warm environment, such institution requests installing space is broad, suitable for length
The linear motion of distance.For the narrow and small occasion of installing space, it is necessary to which infrared heating cage energy original position rotarily opens/closed.
Infrared heating cage motion driving system works under vacuum low-temperature environment, realizes rotarily opening/closing for heating cage
Motion.Vacuum low-temperature environment proposes the requirement of harshness to motion driving system, and common drive system and structure are difficult in the ring
Normal work under border, the country do not have similar application precedent also at present.Meanwhile vacuum low-temperature environment is to first device of motion driving system
Part selection it is also proposed rigors, common electric machine, decelerator and lead limit switch etc. can not be under 100K low temperature environment
Work, meanwhile, component material should have relatively low gaseous volatile under vacuo, and the selection to lubricant is also considered as in vacuum
Under it is not volatile, never degenerate, do not pollute spacecraft etc..Therefore, in order to realize fortune of the infrared heating cage under low-temperature vacuum environment
Dynamic driving is, it is necessary to pointedly be driven the development of system.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to provide a kind of simple in construction, suitable for vacuum and low temperature ring
Infrared heating cage motion driving system under border, realize under vacuum low-temperature environment heat test with large-scale infrared heating cage accurately
/ closedown campaign is rotarily opened, and the system may extend away and be applied to realize other laminated structure test specimens under vacuum low-temperature environment
Motion control.
The infrared heating cage motion driving system being applied under vacuum low-temperature environment of the present invention, including dynamical system, biography
Dynamic system, control system and heat control system, dynamical system provide power output and realize infrared heating cage by transmission system
Motion control, control system include temperature control system and kinetic control system two parts, and temperature control system is mainly to thermal control
System carries out target temperature setting and shows Current Temperatures and apply current conditions；Kinetic control system is driven by motion controller
Motor realizes the start and stop of infrared heating cage；Wherein dynamical system is mainly by stepper motor, planetary reduction gear, turbine and worm decelerator
Composition, stepper motor drive the turbine and worm decelerator engaged to rotate and propose power output by planetary reduction gear；Pass
Dynamic system is made up of main body frame, heating cage mounting framework, rotary shaft, Hooks coupling universal coupling, some limit sensors, is realized infrared
Unlatching/closedown campaign of cage is heated, dynamical system is integrally provided on the bottom plate of main body frame, the output of turbine and worm decelerator
Axle is coupled by Hooks coupling universal coupling with the rotary shaft erect, so as to drive the infrared heating cage being fixedly connected with rotary shaft to install bone
Frame and the infrared heating cage being arranged on the skeleton rotarily open/closedown campaign, and two limit sensors are separately positioned on
Corresponding to 0 ° of infrared heating cage rotation limit position and 90 ° on main body frame；Heat control system is in stepper motor and decelerator
The a number of film heating piece of paste outside, and system is maintained in operating temperature range；Control system controls dynamical system
System and heat control system, dynamical system driving transmission system, finally drive infrared heating cage motion；The displacement of infrared heating cage, speed
Degree and limit signal feed back to control system, and heat control system carries out temperature control to dynamical system, and by temperature feedback to control system,
Eventually form a closed-loop control.
Wherein, motion control portion is realized the start and stop of each mechanical part in system by motion controller motor, is also integrated with
Angle monitor, spacing alarm function.
Wherein, vacuum low-temperature environment refers to that vacuum is up to 1 × 10-4Pa, the minimum about 100K of temperature.
Wherein, infrared heating cage is sheet thin-wall construction, size range (long × wide) for 1000mm × 1000mm~3000mm ×
3000mm。
Wherein, film heating piece wrapping has heat-barrier material, to reduce thermal loss as far as possible, can be maintained at system operating temperatures
20℃±10℃。
Further, heat-barrier material uses the radiation shield of two-sided metal-plated membrane, and interval insulant is equipped between screen.
Wherein, when infrared heating cage motion driving system works under vacuum low-temperature environment, equipment is realized by vacuum connector
The connection of electrical system between inner vacuum low temperature environment and atmosphere outside.
Compared with prior art, infrared heating cage motion driving system of the invention has following improvement effect：
(1) it is up to 1 × 10 suitable for vacuum-4The minimum motion requirement reached under about 100K environment of Pa, temperature；
(2) it is applied to various sizes of infrared heating cage；
(3) cage rotary motion angular range is heated：It is 0 °~90 °, continuous rotatable；Each unlatching/closing motion deadline is not
More than 5min；
(4) high reliability, can continuous-stable work 30 days.
Brief description of the drawings
Fig. 1 is the infrared heating cage motion driving system being applied under the vacuum low-temperature environment composition figure of the present invention；
Wherein, 1- dynamical systems；2- transmission systems；3- control systems；4- heat control systems.
Fig. 2 is the schematic diagram of the infrared heating cage motion driving system being applied under vacuum low-temperature environment of the present invention；
Fig. 3 is the present invention applied to dynamical system and transmission in the infrared heating cage motion driving system under vacuum low-temperature environment
System construction drawing.
Wherein, 31- rotary shafts；32- limit sensors；33- Hooks coupling universal couplings；34- turbine and worm decelerators；5- main body frames；
6- stepper motors；7- planetary reduction gears；8- limit sensors；9- infrared heating cage mounting frameworks；10- infrared heating cages.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail, but this is merely exemplary, it is no intended to the present invention
Protection domain carry out any restrictions.
Referring to Fig. 1, Fig. 1 is the present invention, and figure, bag are formed applied to the infrared heating cage motion driving system under vacuum low-temperature environment
Dynamical system 1, transmission system 2, control system 3 and heat control system 4 are included, dynamical system 1 provides power output and passes through power train
System 2 realizes the motion control of infrared heating cage, and control system 3 includes temperature control system and kinetic control system two parts, temperature
Degree control system mainly carries out target temperature setting to heat control system and shows Current Temperatures and apply current conditions；Motion control
System is realized the start and stop of various parts infrared heating cage by motion controller motor；Heat control system 4 is in dynamical system
The a number of film heating piece of the paste outside of each part, and system is maintained in operating temperature range.
Fig. 2 shows the schematic diagram of the infrared heating cage motion driving system being applied under vacuum low-temperature environment of the present invention, its
In, control system is operation and the monitor supervision platform of whole drive system, including temperature control system and kinetic control system two
Point, temperature control system mainly carries out target temperature setting to heat control system and shows Current Temperatures and apply current conditions.Fortune
Autocontrol system is made up of Ethernet interface stand alone type 4 axis sport controller, power supply and control mode etc., except that can drive
Motor is realized outside the start and stop of mechanical system, is also integrated with the functions such as angle monitor, spacing alarm.In addition, the drivetrain of the present invention
System passes sequentially through motion control of control realization of the control system to dynamical system and transmission system to infrared heating cage, and root
Ensure infrared heating cage registration according to displacement, speed and the feedback signal such as spacing, securely and reliably.Further, control system
Dynamical system and heat control system are controlled, dynamical system driving transmission system, finally drives infrared heating cage motion；Infrared heating cage
Displacement, speed and limit signal feed back to control system；Heat control system carries out temperature control to dynamical system, and temperature feedback is given
Control system, eventually form a closed-loop control.
Specifically, Fig. 3 gives the infrared heating cage being applied under the vacuum low-temperature environment motion of an embodiment of the present invention
Dynamical system and drive system structure figure in drive system.Wherein, moved applied to the infrared heating cage under vacuum low-temperature environment
Drive system includes：Dynamical system and transmission system, wherein dynamical system 1 include turbine and worm decelerator 34, stepper motor 6,
Planetary reduction gear 7；The level that turbine and worm decelerator 34, stepper motor 6, planetary reduction gear 7 are separately positioned on transmission system is set
On the main body frame 5 put, transmission system include limit sensors 32, Hooks coupling universal coupling 33, main body frame 5, limit sensors 8,
Infrared heating cage mounting framework 9, infrared heating cage 10, wherein, dynamical system 1 is arranged on the bottom plate of main body frame 5, turbine snail
The output shaft of bar decelerator 34 is coupled by Hooks coupling universal coupling 33 with rotary shaft 31, so as to drive infrared heating cage mounting framework 9
/ closedown campaign is rotarily opened with infrared heating cage 10；Limit sensors 32 and 8 are separately mounted to heat cage rotation limit position
0 ° and 90 ° corresponding on main body frame 5.Vacuum connector and cable meet the requirement under vacuum low-temperature environment.Step
Stepper motor selects import vacuum high temperature resistant stepper motor, and planetary reduction gear is selected with factory's matched with vacuum decelerator, working environment temperature
Spend for -20~+200 DEG C, vacuum is up to 10-7Pa；Worm type of reduction gearing uses the worm gear structure of accurate bedding-in, main body
Material is aluminium alloy, while anodic oxidation nigrescence is done on surface, can arbitrarily forward and reverse rotation and backlash it is minimum.Heat control system
It is in stepper motor and decelerator paste outside special film heating piece and thermometric RTD, and wraps up heat-barrier material, with to the greatest extent
Thermal loss is likely to reduced, system operating temperatures can be made to be maintained at 20 DEG C ± 10 DEG C.By film heating piece, RTD, heat-insulated material
Material composition.Heat-barrier material uses the radiation shield of two-sided metal-plated membrane, and interval insulant is equipped between screen.
When external heat cage motion driving system works under vacuum low-temperature environment, realize that device interior is true by vacuum connector
The connection of electrical system between empty low temperature environment and atmosphere outside.Vacuum connector and cable meet under vacuum low-temperature environment
Requirement.Control system heating power supply, temperature controller etc. are placed on the atmospheric environment of outside, and computer is placed on operation room, lead to
Cross remote software control infrared heating cage motion driving system work.
Although giving detailed description and explanation to the embodiment of patent of the present invention above, it should be noted that
We can carry out various equivalent changes and modification, its caused work(to above-mentioned embodiment according to the conception of patent of the present invention
, all should be within the protection domain of patent of the present invention when can act on the spirit still covered without departing from specification and accompanying drawing.
Claims (7)
1. applied to the infrared heating cage motion driving system under vacuum low-temperature environment, including dynamical system, transmission system, control
System and heat control system, dynamical system provide power output and the motion control of infrared heating cage are realized by transmission system, control
System processed includes temperature control system and kinetic control system two parts, and temperature control system mainly carries out target to heat control system
Temperature setting simultaneously shows Current Temperatures and applies current conditions；Kinetic control system is realized infrared by motion controller motor
Heat the start and stop of cage；Wherein dynamical system is mainly made up of stepper motor, planetary reduction gear, turbine and worm decelerator, stepping electricity
Machine drives the turbine and worm decelerator engaged to rotate and proposes power output by planetary reduction gear；Transmission system is by main body
Framework, heating cage mounting framework, rotary shaft, Hooks coupling universal coupling, some limit sensors composition, realize opening for infrared heating cage
/ closedown campaign is opened, dynamical system is integrally provided on the bottom plate of main body frame, and the output shaft of turbine and worm decelerator passes through universal
Shaft coupling couples with the rotary shaft erect, so as to drive the infrared heating cage mounting framework being fixedly connected with rotary shaft and setting
Infrared heating cage on the skeleton rotarily opens/closedown campaign, and two limit sensors are separately positioned on infrared heating cage
Corresponding to 0 ° of rotation limit position and 90 ° on main body frame；If heat control system is in stepper motor and decelerator paste outside
The film heating piece of dry quantity, and system is maintained in operating temperature range；Control system controls dynamical system and thermal control system
System, dynamical system driving transmission system, finally drives infrared heating cage motion；Displacement, speed and the spacing letter of infrared heating cage
Control system number is fed back to, heat control system carries out temperature control to dynamical system, and temperature feedback is eventually formed into one to control system
Individual closed-loop control.
2. drive system as claimed in claim 1, wherein, motion control portion realizes system by motion controller motor
In each mechanical part start and stop, be also integrated with angle monitor, spacing alarm function.
3. drive system as claimed in claim 1, wherein, vacuum low-temperature environment refers to that vacuum is up to 1 × 10-4Pa, temperature
Minimum about 100K.
4. drive system as claimed in claim 1, wherein, infrared heating cage is sheet thin-wall construction, long to be with wide scope
1000mm × 1000mm~3000mm × 3000mm.
5. the drive system as described in claim any one of 1-4, wherein, the wrapping of film heating piece has heat-barrier material, to the greatest extent may be used
Thermal loss can be reduced, system operating temperatures can be made to be maintained at 20 DEG C ± 10 DEG C.
6. the drive system as described in claim any one of 1-4, wherein, heat-barrier material uses the reflection of two-sided metal-plated membrane
Shield, interval insulant is equipped between screen.
7. the drive system as described in claim any one of 1-4, wherein, infrared heating cage motion driving system is in vacuum and low temperature
When being worked under environment, electrical system between device interior vacuum low-temperature environment and atmosphere outside is realized by vacuum connector
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573340.7A CN107484266B (en) | 2017-07-14 | 2017-07-14 | Infrared heating cage motion driving system in vacuum low-temperature environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573340.7A CN107484266B (en) | 2017-07-14 | 2017-07-14 | Infrared heating cage motion driving system in vacuum low-temperature environment |
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| CN107484266A true CN107484266A (en) | 2017-12-15 |
| CN107484266B CN107484266B (en) | 2021-01-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018456A (en) * | 2018-06-28 | 2018-12-18 | 上海卫星工程研究所 | A kind of thermal vacuum test Orbital heat flux analogy method of high rail remote sensing satellite platform |
| CN111272291A (en) * | 2020-03-19 | 2020-06-12 | 中国科学院长春光学精密机械与物理研究所 | Large-stroke opening and closing device for low-temperature vacuum environment |
| CN111942622A (en) * | 2020-07-02 | 2020-11-17 | 航天科工空间工程发展有限公司 | Infrared heating cage |
-
2017
- 2017-07-14 CN CN201710573340.7A patent/CN107484266B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018456A (en) * | 2018-06-28 | 2018-12-18 | 上海卫星工程研究所 | A kind of thermal vacuum test Orbital heat flux analogy method of high rail remote sensing satellite platform |
| CN109018456B (en) * | 2018-06-28 | 2020-07-14 | 上海卫星工程研究所 | Thermal vacuum test external heat flow simulation method of high-orbit remote sensing satellite platform |
| CN111272291A (en) * | 2020-03-19 | 2020-06-12 | 中国科学院长春光学精密机械与物理研究所 | Large-stroke opening and closing device for low-temperature vacuum environment |
| CN111272291B (en) * | 2020-03-19 | 2021-10-08 | 中国科学院长春光学精密机械与物理研究所 | Large-stroke opening and closing device for low-temperature vacuum environment |
| CN111942622A (en) * | 2020-07-02 | 2020-11-17 | 航天科工空间工程发展有限公司 | Infrared heating cage |
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| CN107484266B (en) | 2021-01-05 |
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