CN106546813B - A kind of High cooling power cryogenic refrigerating system power calibration device and method - Google Patents
A kind of High cooling power cryogenic refrigerating system power calibration device and method Download PDFInfo
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- CN106546813B CN106546813B CN201610917642.7A CN201610917642A CN106546813B CN 106546813 B CN106546813 B CN 106546813B CN 201610917642 A CN201610917642 A CN 201610917642A CN 106546813 B CN106546813 B CN 106546813B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
Abstract
A kind of High cooling power cryogenic refrigerating system power calibration device and method of the present invention, device include measurand, examine platform, environmental simulation equipment, test equipment.Wherein, the measurand includes Cryo Refrigerator, refrigeration control box, management box；The prosecutor equipment includes ground inspection platform, power supply box；The environmental simulation equipment includes vacuum tank, temperature control compartment；The test equipment includes power meter, the small storehouse of instrument, test cable, multimeter, computer and test software；The test cable includes wearing tank communication cable, service cable, intercommunication cable, control box output power cable, refrigeration machine power input cable, voltage measurement cable.Use the present invention that can carry out power calibration to High cooling power refrigeration machine with in-orbit situation on real simulation star.
Description
Technical field
The invention belongs to space flight optical remote sensor technical fields, are related to a kind of High cooling power cryogenic refrigerating system power calibration dress
It sets and method, can be used for carrying out High cooling power cryogenic refrigerating system accurately power calibration, nominal data is for instructing High cooling power
The in-orbit application of cryogenic refrigerating system.
Background technique
In spatial remotely sensed imaging field, cryogenic refrigerating system is the important component of infrared remote sensor, JB-11, SY-5,
The in-orbit environment temperature work of the small cooling capacity Cryo Refrigerator of the Satellite Cameras such as GF-4 is at 20 DEG C or so, and small cooling capacity cryogenic refrigeration
Machine power is smaller, and the loss of cable and controller is smaller, usually carries out power calibration under the normal temperature and pressure environment of laboratory.
And High cooling power Cryo Refrigerator, in order to obtain more cooling capacity, operation on orbit is under 0 DEG C of environment temperature or lower temperature.
Since state is different at different temperatures for refrigeration machine, High cooling power Cryo Refrigerator can not carry out effectively under normal laboratory environment
Power calibration, it is therefore desirable to simulate in-orbit vacuum low-temperature environment and power calibration is carried out to High cooling power Cryo Refrigerator, to obtain
Varying environment temperature gives an order, focal plane temperature, refrigeration control box output voltage, output power and voltage telemeering functional relation, uses
In the in-orbit application of guidance.
Summary of the invention
Technology of the invention solves the problems, such as: having overcome the deficiencies of the prior art and provide a kind of High cooling power cryogenic refrigeration system
System power calibration device and method, solves the problems, such as the power calibration of High cooling power cryogenic refrigerating system.
The technical solution of the invention is as follows: a kind of High cooling power cryogenic refrigerating system power calibration device, including High cooling power
Cryogenic refrigerating system, prosecutor equipment, environmental simulation equipment, test equipment；
The High cooling power cryogenic refrigerating system includes High cooling power Cryo Refrigerator, refrigeration control box, management box；
The prosecutor equipment includes ground inspection platform, power supply box；
The environmental simulation equipment includes vacuum tank, temperature control compartment, radiation cooling plate；
The test equipment includes power meter, the small storehouse of instrument, multimeter, computer, power meter power supply, test cable；
The test cable includes wearing tank communication cable, wearing tank service cable, intercommunication cable, the output of refrigeration control box
Power cable, power meter connecting cable, High cooling power Cryo Refrigerator power input cable, voltage measurement cable；
The refrigeration control box output power cable, power meter connecting cable and refrigeration High cooling power Cryo Refrigerator input work
The cable model of rate cable is identical as in-orbit cable, wire length overall length and in-orbit situation refrigeration control box and High cooling power Cryo Refrigerator
Between power cable equal length；
The temperature control compartment is placed in vacuum tank, and warehouse carries out multilayer insulation package and temperature control, it is ensured that is placed on temperature
The temperature controlling point temperature of management box, refrigeration control box, High cooling power Cryo Refrigerator in control storehouse is equal with practical in-orbit temperature；
The small storehouse of instrument is placed in vacuum tank, is communicated by bellows with ambient atmosphere, the small storehouse of instrument and bellows
Carry out multilayer insulation package and temperature control, it is ensured that power meter is in normal temperature and pressure state；
The power meter is placed in the small storehouse of instrument, and power meter power supply passes through bellows by power supply line and supplies to power meter
Electricity, power meter are connected by the computer outside the cable and vacuum tank of bellows, and the signal that power meter measures is sent to
Computer, computer pass through software for parameters such as the refrigeration control box voltage, electric current, power, the power factors that acquire on power meter
Acquisition and recording gets off.
The prosecutor equipment is powered by wearing tank service cable to management box, refrigeration control box, outside vacuum tank by wearing
Tank communication cable and management box are remotely controlled telemetry communication；Management box is taken remote measurement with refrigeration control box by intercommunication cable
Underwater acoustic remote control；Refrigeration control box exports the sine electricity after inversion, and High cooling power Cryo Refrigerator is conveyed to after measuring by power meter；
Refrigeration control box measures the Current Temperatures of High cooling power Cryo Refrigerator cold finger by thermometric line simultaneously, is examined with giving by management box
Equipment；Power meter measures the exit potential of refrigeration control box, output electric current, output power, power factor；Multimeter passes through voltage
Measurement cable measures the entrance potential of the entrance potential of refrigeration control box, High cooling power Cryo Refrigerator respectively；
Examine describedly platform be responsible for management box, refrigeration control box plus power-off, and instruction transmission and telemetering reception；
The High cooling power Cryo Refrigerator carries out the adjusting of surface temperature by radiation cooling plate.
A method of power calibration being carried out using High cooling power cryogenic refrigerating system caliberating device, work step is as follows:
1) 5 compressor of High cooling power Cryo Refrigerator is controlled by radiation cooling plate 12 at 20 DEG C, management box 7, refrigeration are controlled
Box 6 processed is controlled by temperature control compartment 11 at 40 DEG C；
2) platform 8 is examined and sends an instruction to management box 7 by wearing tank communication cable 19, and management box 7 will be by that will instruct forwarding
To refrigeration control box 6；Refrigeration control box 6 adjusts the amplitude of output sine wave according to instruction, and driving High cooling power Cryo Refrigerator 5 drops
Temperature；
3) platform 8, power meter 13, multimeter 15, computer 16 are examined by ground and successively records current High cooling power Cryo Refrigerator 5
Compressor, management box 7,6 output voltage of refrigeration control box 6, the instruction value under focal plane state of temperature and refrigeration control box, output
Electric current, output power, output voltage telemetering, 5 input voltage value of High cooling power Cryo Refrigerator；
4) arrange step 3) formed data, obtain current state give an order with 6 output voltage of refrigeration control box, instruction with
Export electric current, instruction and output power, instruction and output voltage telemetering, instruction and High cooling power Cryo Refrigerator 5 input voltage
Functional relation；
5) keeping management box 7, refrigeration control box 6 is 20 DEG C, and 5 compressor temperature of High cooling power Cryo Refrigerator reduces 10 DEG C,
It repeats step 2)-step 4) to be tested, until -10 DEG C；
6) other functions other than 20 DEG C, 10 DEG C, 0 DEG C, -10 DEG C of 5 compressor temperature calibration point of High cooling power Cryo Refrigerator
Relationship is obtained by the method for linear interpolation；
7) management box 7, refrigeration control box 6 reduce 20 DEG C, repeat step 2)-step 5), until 0 DEG C；
8) management box 7,6 scale of thermometer of refrigeration control box pinpoint other functional relations other than 40 DEG C, 20 DEG C, 0 DEG C, pass through line
Property interpolation method obtain.
The advantages of the present invention over the prior art are that:
1, High cooling power Cryo Refrigerator simulates in-orbit vacuum low-temperature environment and carries out power calibration, eliminates laboratory environment temperature
Degree and practical in-orbit temperature difference bring error；
2, refrigeration control box eliminates big to line style, wire length and the in-orbit state consistency between high-power Cryo Refrigerator
Calibrated error caused by power large driven current density cable is inconsistent；
3, the environment temperature independent control of calibration process management box, refrigeration control box, then obtains it by linear interpolation
The measured value of his environment temperature, reduce using management box when single environment temperature calibration, refrigeration control box environment temperature with
The inconsistent influence to voltage telemeering precision of rail temperature.
Detailed description of the invention
Fig. 1 is composition schematic diagram of the present invention.
Specific embodiment
Just the present invention is described further in conjunction with attached drawing below.
As shown in Figure 1, a kind of High cooling power cryogenic refrigerating system power calibration device of the present invention, for High cooling power low temperature system
Cooling system carries out power calibration, characterized by comprising: sets including High cooling power cryogenic refrigerating system, prosecutor equipment, environmental simulation
Standby, test equipment；
The High cooling power cryogenic refrigerating system includes High cooling power Cryo Refrigerator 5, refrigeration control box 6, management box 7；
The prosecutor equipment includes ground inspection platform 8, power supply box 9；
The environmental simulation equipment includes vacuum tank 10, temperature control compartment 11, radiation cooling plate 12；
The test equipment includes power meter 13, the small storehouse 14 of instrument, multimeter 15, computer 16, power meter power supply 17, surveys
Try cable；
The test electricity 18 includes wearing tank communication cable 19, wearing tank service cable 20, intercommunication cable 21, refrigeration control
6 output power cable 22 of box, power meter connecting cable 23,5 power input cable 24 of High cooling power Cryo Refrigerator, voltage measurement electricity
Cable 25；
The 6 output power cable 22 of refrigeration control box, power meter connecting cable 23 and refrigeration High cooling power Cryo Refrigerator 5
The cable model of power input cable 24 is identical as in-orbit cable, wire length overall length and in-orbit situation refrigeration control box 6 and High cooling power
Power cable equal length between Cryo Refrigerator 5；
The temperature control compartment 11 is placed in vacuum tank 10, and warehouse carries out multilayer insulation package and temperature control, it is ensured that places
The temperature controlling point temperature of management box 7, refrigeration control box 6, High cooling power Cryo Refrigerator 5 in temperature control compartment 11 and practical in-orbit temperature
It is equal；
The small storehouse 14 of instrument is placed in vacuum tank 10, is communicated by bellows 26 with ambient atmosphere, the small storehouse 14 of instrument
Multilayer insulation package and temperature control are carried out with bellows 26, it is ensured that power meter is in normal temperature and pressure state；
The power meter 13 is placed in the small storehouse 14 of instrument, and power meter power supply 17 passes through bellows 26 by power supply line 27 and gives
Power meter 13 is powered, and power meter 13 is connect by passing through the cable 28 of bellows 26 with the computer 16 outside vacuum tank 10, by function
The signal that rate meter 13 measures sends computer 16 to, and computer 16 passes through the refrigeration control box 6 that software will acquire on power meter 13
The parameter acquisitions such as voltage, electric current, power, power factor are recorded.
The prosecutor equipment is powered by wearing tank service cable 20 to management box 7, refrigeration control box 6 outside vacuum tank 10,
Telemetry communication is remotely controlled by wearing tank communication cable 19 and management box 7；Management box 7 and refrigeration control box 6 pass through internal communication
Cable 21 takes remote measurement underwater acoustic remote control；Refrigeration control box 6 exports the sine electricity after inversion, is conveyed to after being measured by power meter 13
High cooling power Cryo Refrigerator 5；Refrigeration control box 6 measures the current of 5 cold finger of High cooling power Cryo Refrigerator by thermometric line 29 simultaneously
Temperature gives prosecutor equipment 2 by management box 7；Power meter 13 measures the exit potential of refrigeration control box 6, output electric current, output
Power, power factor；Multimeter 15 measures entrance potential, the High cooling power of refrigeration control box 6 by voltage measurement cable 24 respectively
The entrance potential of Cryo Refrigerator 5；
Examine describedly platform 8 be responsible for management box 7, refrigeration control box 6 plus power-off, and the transmission and telemetering of instruction connect
It receives；
The High cooling power Cryo Refrigerator 5 carries out the adjusting of surface temperature by radiation cooling plate 12.
1) 10 inner wall temperature control of vacuum tank is at -200 DEG C or so；Temperature control compartment 11 is placed in vacuum tank 10, passes through multilayer insulation
Package and heating sheet carry out temperature control in storehouse；High cooling power cryogenic refrigerating system 1 includes High cooling power Cryo Refrigerator 5, refrigeration control
Box 6 processed, management box 7, are placed in temperature control compartment 11, by temperature control compartment 11 by the control of environment temperature at 40 DEG C；
2) power supply box 9 is powered to management box 7, refrigeration control box 6.Ground inspection platform 8 directly controls the power-up of management box 7, and platform 8 is examined on ground
The power-up instruction of refrigeration control box 6 is sent to management box 7 by wearing tank communication cable 19, management box 7 passes through intercommunication cable
21 control refrigeration control boxes 6 are powered on；After refrigeration control box 6 is powered on, operation is powered on from tape program to High cooling power Cryo Refrigerator 5；
3) platform 8 being examined, 5 work order of High cooling power Cryo Refrigerator being sent to management box 7, management box 7 passes through internal communication
Instruction is transmitted to refrigeration control box 6 by cable 21, and refrigeration control box 6 adjusts the amplitude of output sine wave according to instruction；Refrigeration control
The sine electricity that box 6 processed exports is conveyed to High cooling power Cryo Refrigerator 5 after measuring by power meter 13, drives High cooling power cryogenic refrigeration
Machine 5 cools down；
4) refrigeration control box 6 measures the Current Temperatures of 5 cold finger of High cooling power Cryo Refrigerator by thermometric line 29 simultaneously, passes through
Management box 7 gives prosecutor equipment 2；Power meter 13 measures the exit potential of refrigeration control box 6, output electric current, output power, power
Factor；Multimeter 15 measures entrance potential, the High cooling power Cryo Refrigerator of refrigeration control box 6 by voltage measurement cable 24 respectively
5 entrance potential；
5) platform 8, power meter 13, multimeter 15, computer 16 are examined by ground and successively records current High cooling power Cryo Refrigerator 5
Compressor, management box 7,6 output voltage of refrigeration control box 6, the instruction value under focal plane state of temperature and refrigeration control box, output
Electric current, output power, output voltage telemetering, 5 input voltage value of High cooling power Cryo Refrigerator；
6) arrange step 5) formed data, obtain current state give an order with 6 output voltage of refrigeration control box, instruction with
Export electric current, instruction and output power, instruction and output voltage telemetering, instruction and High cooling power Cryo Refrigerator 5 input voltage
Functional relation；
7) keeping management box 7, refrigeration control box 6 is 20 DEG C, and 5 compressor temperature of High cooling power Cryo Refrigerator reduces 10 DEG C,
It repeats step 3), 4), 5), 6) is tested, until -10 DEG C；
8) other functions other than 20 DEG C, 10 DEG C, 0 DEG C, -10 DEG C of 5 compressor temperature calibration point of High cooling power Cryo Refrigerator
Relationship is obtained by the method for linear interpolation；
9) management box 7, refrigeration control box 6 reduce 20 DEG C, repeat step 3), 4), 5), 6), 7), 8), until 0 DEG C；
10) management box 7,6 scale of thermometer of refrigeration control box pinpoint other letters other than 40 DEG C, 20 DEG C, 0 DEG C
Number relationship is obtained by the method for linear interpolation.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (2)
1. a kind of High cooling power cryogenic refrigerating system power calibration device, it is characterised in that: including High cooling power cryogenic refrigerating system,
Examine equipment, environmental simulation equipment, test equipment；
The High cooling power cryogenic refrigerating system includes High cooling power Cryo Refrigerator (5), refrigeration control box (6), management box (7)；
The prosecutor equipment includes ground inspection platform (8), power supply box (9)；
The environmental simulation equipment includes vacuum tank (10), temperature control compartment (11), radiation cooling plate (12)；
The test equipment includes power meter (13), the small storehouse of instrument (14), multimeter (15), computer (16), power meter power supply
(17), test cable；
The test cable includes wearing tank communication cable (19), wearing tank service cable (20), intercommunication cable (21), refrigeration control
Box (6) output power cable (22) processed, power meter connecting cable (23), High cooling power Cryo Refrigerator (5) power input cable
(24), voltage measurement cable (25)；
Refrigeration control box (6) the output power cable (22), power meter connecting cable (23) and refrigeration High cooling power cryogenic refrigeration
The cable model of machine (5) power input cable (24) is identical as in-orbit cable, wire length overall length and in-orbit situation refrigeration control box (6)
Power cable equal length between High cooling power Cryo Refrigerator (5)；
The temperature control compartment (11) is placed in vacuum tank (10), and warehouse carries out multilayer insulation package and temperature control, it is ensured that places
The temperature controlling point temperature and reality of management box (7), refrigeration control box (6), High cooling power Cryo Refrigerator (5) in temperature control compartment (11)
In-orbit temperature is equal；
The small storehouse of instrument (14) is placed in vacuum tank (10), is communicated by bellows (26) with ambient atmosphere, the small storehouse of instrument
(14) and bellows (26) carries out multilayer insulation package and temperature control, it is ensured that power meter is in normal temperature and pressure state；
The power meter (13) is placed in the small storehouse of instrument (14), and power meter power supply (17) passes through bellows by power supply line (27)
(26) it powers to power meter (13), power meter (13) passes through the cable (28) and the meter of vacuum tank (10) outside across bellows (26)
Calculation machine (16) connection, the signal that power meter (13) measure is sent to computer (16), and computer (16) passes through software for power
Refrigeration control box (6) voltage, electric current, power, the power factor parameter acquisition acquired on meter (13) is recorded；
The prosecutor equipment vacuum tank (10) outside, by wearing tank service cable (20) to management box (7), refrigeration control box (6)
Power supply is remotely controlled telemetry communication by wearing tank communication cable (19) and management box (7)；Management box (7) and refrigeration control box (6)
It is taken remote measurement underwater acoustic remote control by intercommunication cable (21)；Refrigeration control box (6) exports the sine electricity after inversion, passes through power
High cooling power Cryo Refrigerator (5) are conveyed to after meter (13) measurement；Refrigeration control box (6) is big cold by thermometric line (29) measurement simultaneously
The Current Temperatures for measuring Cryo Refrigerator (5) cold finger, give prosecutor equipment (2) by management box (7)；Power meter (13) measurement refrigeration
Control exit potential, the output electric current, output power, power factor of box (6)；Multimeter (15) passes through voltage measurement cable (24)
The entrance potential of refrigeration control box (6), the entrance potential of High cooling power Cryo Refrigerator (5) are measured respectively；
Examine describedly platform (8) be responsible for management box (7), refrigeration control box (6) plus power-off, and the transmission and telemetering of instruction connect
It receives；
The High cooling power Cryo Refrigerator (5) carries out the adjusting of surface temperature by radiation cooling plate (12).
2. a kind of carry out power calibration using a kind of High cooling power cryogenic refrigerating system power calibration device described in claim 1
Method, it is characterised in that steps are as follows:
1) High cooling power Cryo Refrigerator (5) compressor is controlled by radiation cooling plate (12) at 20 DEG C, management box (7) freezes
Box (6) are controlled to control by temperature control compartment (11) at 40 DEG C；
2) platform (8) is examined and is sent an instruction to management box (7) by wearing tank communication cable (19), and management box (7) will be by that will instruct
It is transmitted to refrigeration control box (6)；Refrigeration control box (6) adjusts the amplitude of output sine wave according to instruction, drives High cooling power low temperature
Refrigeration machine (5) cooling；
3) current High cooling power low temperature system is successively recorded by ground inspection platform (8), power meter (13), multimeter (15), computer (16)
Cold (5) compressor, management box (7), refrigeration control box (6), the instruction value under focal plane state of temperature and refrigeration control box (6)
Output voltage, output electric current, output power, output voltage telemetering, High cooling power Cryo Refrigerator (5) input voltage value；
4) arrange step 3) formed data, obtain current state give an order with refrigeration control box (6) output voltage, instruction with it is defeated
Electric current, instruction and output power, instruction and output voltage telemetering, instruction and High cooling power Cryo Refrigerator (5) input voltage out
Functional relation；
5) keeping management box (7), refrigeration control box (6) is 20 DEG C, and High cooling power Cryo Refrigerator (5) compressor temperature reduces 10
DEG C, it repeats step 2)-step 4) and is tested, until -10 DEG C；
6) other functions other than 20 DEG C, 10 DEG C, 0 DEG C, -10 DEG C of High cooling power Cryo Refrigerator (5) compressor temperature calibration point close
System is obtained by the method for linear interpolation；
7) management box (7), refrigeration control box (6) reduce 20 DEG C, repeat step 2)-step 5), until 0 DEG C；
8) management box (7), refrigeration control box (6) scale of thermometer pinpoint other functional relations other than 40 DEG C, 20 DEG C, 0 DEG C, pass through line
Property interpolation method obtain.
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| CN107132865B (en) * | 2017-04-07 | 2020-03-27 | 上海蔚来汽车有限公司 | Active cooling power calibration method and system for energy storage unit of test vehicle |
| CN107782537A (en) * | 2017-12-01 | 2018-03-09 | 中国科学院长春光学精密机械与物理研究所 | A kind of vacuum Systems for optical inspection |
| CN108226674B (en) * | 2017-12-18 | 2019-08-06 | 西安电子科技大学 | A kind of hyperconductive cable simulation space environmental test cavity |
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| CN102288251B (en) * | 2010-06-17 | 2012-10-24 | 北汽福田汽车股份有限公司 | Vehicle air conditioner refrigerant filling volume calibration method and system |
| CN103453943B (en) * | 2013-07-19 | 2015-12-02 | 浙江金刚汽车有限公司 | A kind of scaling method of coolant filling equipment |
| CN104422476B (en) * | 2013-08-21 | 2016-12-07 | 上海汽车集团股份有限公司 | A kind of method judging that can cooling system meet the cooling requirement of power electronics case |
| CN104390730A (en) * | 2014-10-14 | 2015-03-04 | 中国科学院力学研究所 | High-temperature automatic steady-state heat-conduction calibration apparatus for water-cooling heat flow meter |
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