CN106610345A - Health state monitoring system for spatial environment simulation test equipment - Google Patents
Health state monitoring system for spatial environment simulation test equipment Download PDFInfo
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Abstract
The invention relates to a health state monitoring system for spatial environment simulation test equipment, and the system comprises a data collection unit (100), a data receiving and transmitting unit (200), a systematic knowledge unit (300), a fault diagnosis unit (400), a health management unit (500), and a real-time display unit (600). The fault diagnosis unit (400) comprises a diagnosis unit (410), a mode analysis unit (420), and a guide unit (430). The system can carry out the reasonable utilization of the measurement and control data resources of the spatial environment simulation test equipment, improves the accuracy, completeness and automation degrees of fault emergency processing, guarantees the safe and normal operation of the system, and provides support for the maintenance decision making.
Description
Technical field
The invention belongs to spacecraft thermal vacuum test field, and in particular to a set of for space environment simulation test
The health status monitoring system of equipment.
Background technology
With space-environment facility construction and the continuous accumulation using experience, and in spatial environmentss mould
Equipment high efficiency, reliability service are required continuous improvement during plan testing equipment use, conventional posterior maintenance,
The convectional reliability method for improving of Curve guide impeller can not meet the construction of space-environment facility and make
With requiring.Carry out to real-time monitoring space-environment facility " health " state and in advance failure predication and
The growing of maintenance management demand is assisted, is to reduce all kinds of in space-environment facility running
Emergency risk, and realize the failure precognition of each subsystem, evade and solve to provide support.In such demand
Under, need badly and develop a set of health status monitoring system for space-environment facility, can be to sky
Between the measuring and control data resource of environmental-test facility rationally utilized, improve the accurate of failure emergency processing
Property, comprehensive and automaticity, safeguards system safe operation and normal work, while providing for maintenance decision
Support.
The present inventor has found, existing spatial environmentss mould through sufficiently understanding during the present invention is realized
Intend testing equipment and do not possess the function being managed to equipment " health " state.
The content of the invention
It is an object of the invention to invent and design a set of health status for space-environment facility
Monitoring system, the caused equipment failure rate of existing many of the spacecraft thermal vacuum test task of solution is high, randomness is strong,
The technical problem such as cannot predict, vacuum thermal test be carried out in space-environment facility for spacecraft and is provided
Technical guarantee.
The present invention seeks to be achieved through the following technical solutions：
For the health status monitoring system of space-environment facility, the health status monitoring system
Including data acquisition unit, data transceiving unit, systematic knowledge unit, failure diagnosis unit, health control list
First and real-time display unit：
Data acquisition unit gathers the compression of space-environment facility intermediate pump by temperature sensor
Machine skin temperature, refrigeration liquid temp, cooling water temperature；Space environment simulation test is gathered by pressure transducer
The internal pressure of equipment, manifold pressure, compressed air pressure, refrigerating fluid liquid supply pressure；By flow sensing
The real time status informations such as device collection cooling water flow, refrigeration flow quantity；
The real time data that data transceiving unit is transmitted data acquisition unit, by the way of parallel multithread,
According to distinct device (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, compressed air unit
Deng) Data Source set up corresponding label, be then distributed to systematic knowledge unit, failure diagnosis unit and strong
In health administrative unit；
Equipment (vacuum pump compressor, vacuum valve, refrigeration that systematic knowledge unit distributes data transceiving unit
Machine, cooling water unit, compressed air unit etc.) real time data, store in systematic knowledge unit, record is simultaneously
The running state information of archival device, as knowledge information storage；
Knowledge information in failure diagnosis unit calling system blocks of knowledge, the equipment with data transceiving unit distribution
Data label is compared, and is realized to equipment (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water machine
Group, compressed air unit etc.) exception or malfunction carry out mode decision, fault location, failure cause,
Impact analysis and maintenance suggestion prompting etc.；
Equipment (the vacuum pump compression that health control unit is distributed by data transceiving unit and failure diagnosis unit
Machine, vacuum valve, refrigeration machine, cooling water unit, compressed air unit etc.) real-time data collection and in real time therefore
Key index in barrier data, provides equipment current health index, the Health Category of current device and equipment and is good for
Health managerial integration, realizes the health state evaluation to equipment；
In real time display unit is used in the fault diagnosis result in failure diagnosis unit and health control unit
Health state evaluation result, is associated with the equipment of the equipment and health evaluating grade that break down, and with two dimension
Or the visualization technique of three-dimensional is pointed out on display or giant-screen, the position broken down is carried out to show and height
Bright prompting, provides visual cues or troubleshooting is instructed for monitoring personnel.
Wherein, described failure diagnosis unit includes：
Diagnosis unit：The device data label that data transceiving unit is distributed is believed with the knowledge in systematic knowledge unit
Breath, carries out Data Comparison, provides the diagnostic result whether measurement equipment to be checked breaks down；
Mode analyzing unit：Analyzed by the fault diagnosis result of diagnosis unit, in coupling system blocks of knowledge
The reason for historical failure mode list information, analysis current failure possibility and fault level, being given accordingly may shadow
Ring result；
Guide unit：By the accident analysis of diagnosis unit and mode analyzing unit, using text description or failure
Tree mode provides troubleshooting prompting, there is provided instruct as failure troubleshooting to maintenance of equipment personnel.
Wherein, described diagnosis unit includes：
First judging unit：The data label of the measurement equipment to be checked for data transceiving unit to be distributed is known with system
The parameter limit value for knowing the measurement equipment to be checked in unit is judged, and sends whether equipment goes out to mode analyzing unit
The judged result of existing failure；
Second judging unit：The data label of the measurement equipment to be checked for data transceiving unit to be distributed is known with system
The eigenvalue (0,1) for knowing the measurement equipment to be checked in unit is judged, and sends equipment to mode analyzing unit
The judged result for whether breaking down；
3rd judging unit：The data label of the measurement equipment to be checked for data transceiving unit to be distributed is known with system
The phenomenon description for knowing the measurement equipment to be checked in unit is judged, and sends whether equipment goes out to mode analyzing unit
The judged result of existing failure.
Wherein, described systematic knowledge unit, wherein the knowledge information include vacuum pump compressor, valve,
Refrigeration machine, cooling water unit, the manual information of compressed air unit, case information, Rule Information etc..Handbook
Information includes vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, the operation of compressed air unit
Handbook and maintenance manual(MM) etc.；Case information includes the motor overheating and motor phase failure, valve of vacuum pump compressor
Spacing, cooling water the temperature of switch, pressure of compressed air of door etc.；Rule Information includes vacuum break valve
Front two ends (in space-environment facility and in pipeline) pressure difference value judges, vacuum pump compressor is opened
Delayed startup between forepressure judgement, vacuum pump group before dynamic etc..
Wherein, described health control unit, wherein when described key index includes vacuum pump compressor operating
Between, cooling water temperature and flow, compressed air pressure, vacuum valve on-off times etc..
Wherein, described health control unit, wherein described health index is referred to according to equipment key index,
The quantization parameter (0～100) that equipment currently runs health status is given, including vacuum pump compressor operating time (tires out
Meter run time it is shorter, quantization parameter is bigger), cooling water temperature (closer to setting value, quantization parameter is bigger)
And flow (closer to setting value, quantization parameter is bigger), compressed air pressure (closer to setting value, quantify
Parameter is bigger), vacuum valve on-off times (on-off times are fewer, and quantization parameter is bigger) etc..
Wherein, described health control unit, wherein described Health Category is referred to according to equipment health index,
Provide the Health Category of equipment currently operation, including the Three Estate such as health, degeneration, weak.
Wherein, described health control unit, wherein described health control suggestion is referred to according to equipment health etc.
Three classes such as level, the health control suggestion that the equipment that is given currently runs, including detection, maintenance, maintenance are advised.
At present, the health status monitoring system puts into fortune in certain large space environmental-test facility project
OK, for space-environment facility inline diagnosis, decision-making and operational management process, it is related to spatial loop
The operational management of environmental simulation experiment device, status monitoring, fault diagnosis, prediction, health state evaluation, diagnosis
With the process such as decision-making, system run all right improves the informationization of space-environment facility overall operation
Level, changes the convectional reliability method of conventional correction maintenance, Curve guide impeller, to space environment simulation test
The lasting health status of equipment carry out in advance failure predication and assist maintenance management, reduce space environment simulation examination
All kinds of emergency risks in testing equipment operation and the course of work, in reducing space-environment facility operation
Rate of breakdown, to realize that the failure of space-environment facility is predicted, evades and solve to provide support,
And improve the management level of testing equipment.
Description of the drawings
Fig. 1 is the health status monitoring system embodiment for space-environment facility of the present invention
Structured flowchart；
Fig. 2 is the structured flowchart of failure diagnosis unit (400) in Fig. 1.
Specific embodiment
In order to be illustrated more clearly that the embodiment of the present invention, letter will be made to the accompanying drawing to be used needed for embodiment below
Singly introduce, it is clear that ground, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without having to pay creative labor, can be being obtained according to these accompanying drawings
Obtain other accompanying drawings.
With reference to Fig. 1, Fig. 1 shows the health status monitoring for space-environment facility of the present invention
System constitutes structure chart.Wherein, the health status monitoring system for space-environment facility of the invention
System, including data acquisition unit 100, data transceiving unit 200, systematic knowledge unit 300, fault diagnosis
Unit 400, health control unit 500 and real-time display unit 600.
Data acquisition unit 100, by temperature sensor space-environment facility intermediate pump is gathered
Compressor case temperature, refrigeration liquid temp, cooling water temperature；Space environment simulation is gathered by pressure transducer
The internal pressure of testing equipment, manifold pressure, compressed air pressure, refrigerating fluid liquid supply pressure；By flow
The real time status informations such as sensor acquisition cooling water flow, refrigeration flow quantity.
Data transceiving unit 200, the real time data that data acquisition unit 100 is transmitted, using parallel multi-thread
The mode of journey, according to distinct device (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, pressure
Contracting air unit etc.) Data Source set up corresponding label, be then distributed to systematic knowledge unit 300, therefore
In barrier diagnosis unit 400 and health control unit 500.
Systematic knowledge unit 300, the equipment that data transceiving unit 200 is distributed (vacuum pump compressor, vacuum
Valve, refrigeration machine, cooling water unit, compressed air unit etc.) real time data, storage to systematic knowledge unit
In 300, the running state information of record and archival device, as knowledge information storage.
Knowledge information in described systematic knowledge unit 300 include vacuum pump compressor, valve, refrigeration machine,
Cooling water unit, the manual information of compressed air unit, case information, Rule Information etc..Manual information includes
Vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, the workbook of compressed air unit and dimension
Shield maintenance manual etc.；Case information includes the motor overheating and motor phase failure, the switch of valve of vacuum pump compressor
Spacing, cooling water temperature, pressure of compressed air etc.；Rule Information includes the two ends before vacuum break valve
Before before (in space-environment facility and in pipeline) pressure difference value judgement, vacuum pump compressor start
Delayed startup between stage pressure judgement, vacuum pump group etc..
Failure diagnosis unit 400, the knowledge information in calling system blocks of knowledge 300, with data transceiving unit
The device data label of 200 distributions is compared, and is realized to equipment (vacuum pump compressor, vacuum valve, system
Cold, cooling water unit, compressed air unit etc.) exception or malfunction to carry out mode decision, failure fixed
Position, failure cause, impact analysis and maintenance suggestion prompting etc..
Referring to Fig. 2, Fig. 2 shows the structured flowchart of the failure diagnosis unit (400) in the present invention, described
Failure diagnosis unit 400 includes diagnosis unit 410, mode analyzing unit 420 and guide unit 430；Wherein
The diagnosis unit 410 includes the first judging unit 411, the second judging unit 412 and the 3rd judging unit
413。
Diagnosis unit 410, the device data label that data transceiving unit 200 is distributed and systematic knowledge unit 300
In knowledge information, carry out Data Comparison, provide the diagnostic result whether measurement equipment to be checked breaks down；
Described diagnosis unit 410 includes：
First judging unit 411, the data label of the measurement equipment to be checked for data transceiving unit 200 to be distributed
Judged with the parameter limit value of the measurement equipment to be checked in systematic knowledge unit 300, and to mode analyzing unit
420 send the judged result whether equipment breaks down, including：Judging the skin temperature of vacuum pump compressor is
It is no more than 38 DEG C；Judge cooling water temperature whether more than 30 DEG C；Judge cooling water flow whether less than setting value；
Whether compressed air pressure is judged less than setting value etc., described setting value can be entered according to the operational factor of equipment
Row setting；
Second judging unit 412, the data label of the measurement equipment to be checked for data transceiving unit 200 to be distributed
Judged with the eigenvalue (0,1) of the measurement equipment to be checked in systematic knowledge unit 300, and to pattern analyses
Unit 420 sends the judged result whether equipment breaks down, including：Judge whether vacuum valve is opened (1)
/ close (0) in place；Judge that pump operation state is normal (1) or abnormal (0)；
3rd judging unit 413, the data label of the measurement equipment to be checked for data transceiving unit 200 to be distributed
Judged with the phenomenon description of the measurement equipment to be checked in systematic knowledge unit 300, and to mode analyzing unit
420 send the judged result whether equipment breaks down, including：Judge the interior of space-environment facility
Whether portion's pressure trend is normal；Judge the refrigerating fluid measured temperature inside space-environment facility
Whether variation tendency is normal.
Mode analyzing unit 420, is analyzed, coupling system knowledge by the fault diagnosis result of diagnosis unit 410
The reason for historical failure mode list information in unit 300, analysis current failure possibility and fault level, give
Go out and accordingly may affect result.
Described failure and reason, fault level is as follows：
● failure 1：The skin temperature of vacuum pump compressor is more than 38 DEG C.Reason 1：Cooling water flow is not enough,
Water temperature over-high；Reason 2：The power supply unit phase shortage of pump.Fault level：It is high.Affect result：Pump
Shut down；
● failure 2：Cooling water temperature is more than 30 DEG C.Reason 1：Cooling water unit failure；Reason 2：Cooling
Coolant-temperature gage setting value is too high.Fault level：It is high.Affect result：Pump is shut down；
● failure 3：Cooling water flow is less than setting value.Reason 1：Cooling water unit failure；Reason 2：It is cold
But water flow set point is too low.Fault level：It is high.Affect result：Shut down with cooling water equipment；
● failure 4：Compressed air pressure is less than setting value.Reason 1：Compressed air unit failure；Reason 2：
Compressed air pressure setting value is too low.Fault level：It is high.Affect result：Operated pneumatic valve cannot be opened
Open；
● failure 5：Vacuum valve to beat opening/closing not in place.Reason 1：Compressed air pressure is less than setting
Value；Reason 2：Sensing station deviates.Fault level：In.Affect result：Affect spatial loop
The internal pressure environment of environmental simulation experiment device is set up；
● failure 6：Pumping speed declines.Reason 1：Pumping hole plugged filter；Reason 2：Electrical fault.Therefore
Barrier grade：In.Affect result：The internal pressure environment for affecting space-environment facility is built
It is vertical；
● failure 7：The internal pressure variation tendency of space-environment facility is abnormal.Reason 1：It is empty
Between environmental-test facility sealing property it is bad, have leakage hole；Reason 2：Space environment simulation
There is deflation source in testing equipment；Reason 3：Air-extractor (vacuum pump) failure；Reason 4：Pressure
Force measuring device failure.Fault level：It is high.Affect result：Space-environment facility without
Method comes into operation；
● failure 8：Refrigerating fluid measured temperature variation tendency inside space-environment facility is not just
Often.Reason 1：The circulation duct of refrigerating fluid has blocking；Reason 2：The flow of refrigerating fluid is inadequate；
Reason 3：Temperature sensor fault.Fault level：It is high.Affect result：Space environment simulation is tried
The equipment of testing cannot come into operation.
Guide unit 430, by the accident analysis of diagnosis unit 410 and mode analyzing unit 420, using text
This description or fault tree mode provide troubleshooting prompting, there is provided instruct as failure troubleshooting to maintenance of equipment personnel.
Described troubleshooting prompting is as follows：
● failure 1：The skin temperature of vacuum pump compressor is more than 38 DEG C.Troubleshooting prompting 1：Check cooling water
Flow and temperature；Troubleshooting prompting 2：Check the power supply unit of pump whether phase shortage；
● failure 2：Cooling water temperature is more than 30 DEG C.Troubleshooting prompting 1：Check cooling water operating states of the units；
Troubleshooting prompting 2：Check whether cooling water temperature setting value is reasonable；
● failure 3：Cooling water flow is less than setting value.Troubleshooting prompting 1：Check cooling water operating states of the units；
Troubleshooting prompting 2：Check whether cooling water flow setting value is reasonable；
● failure 4：Compressed air pressure is less than setting value.Troubleshooting prompting 1：Check the operation of compressed air unit
State；Troubleshooting prompting 2：Check whether compressed air pressure setting value is reasonable；
● failure 5：Vacuum valve to beat opening/closing not in place.Troubleshooting prompting 1：Check compressed air unit
Running status；Troubleshooting prompting 2：Check sensing station；
● failure 6：Pumping speed declines.Troubleshooting prompting 1：Check pumping hole filter；Troubleshooting prompting 2：Check
The motor status of pump；
● failure 7：The internal pressure variation tendency of space-environment facility is abnormal.Troubleshooting prompting 1：
Space-environment facility is stopped leakage in the roof；Troubleshooting prompting 2：Check the material of test specimen product；
Troubleshooting prompting 3：Check air-extractor running status；Troubleshooting prompting 4：Check pressure measuring device
Running status；
● failure 8：Refrigerating fluid measured temperature variation tendency inside space-environment facility is not just
Often.Troubleshooting prompting 1：Check the circulation duct of refrigerating fluid；Troubleshooting prompting 2：Check refrigerating fluid
Flow；Troubleshooting prompting 3：Check temperature sensor state.
Health control unit 500, the equipment distributed by data transceiving unit 200 and failure diagnosis unit 400
(vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, compressed air unit etc.) Real-time Collection
Key index in data and real time fail data, provides equipment current health index, health of current device etc.
Level and equipment health control suggestion, realize the health state evaluation to equipment.
Described key index includes vacuum pump compressor operating time, cooling water temperature and flow, compressed air
Pressure, vacuum valve on-off times etc..
Described health index referred to according to equipment key index, provides the quantization that equipment currently runs health status
Parameter (0～100), including vacuum pump compressor operating time (accumulated running time is shorter, and quantization parameter is bigger),
Cooling water temperature (closer to setting value, quantization parameter is bigger) and flow are (closer to setting value, quantization parameter
It is bigger), compressed air pressure (closer to setting value, quantization parameter is bigger), vacuum valve on-off times (open
Pass number of times is fewer, and quantization parameter is bigger) etc..
Described Health Category referred to according to equipment health index, provides the Health Category of equipment currently operation, bag
Include the Three Estate such as health, degeneration, weak.
Described health control suggestion referred to according to equipment Health Category, provides the health control of equipment currently operation
Suggestion, including detection, maintenance, maintenance etc. three classes suggestion.
Real-time display unit 600, for by the fault diagnosis result in failure diagnosis unit 400 and health control
Health state evaluation result in unit 500 is related to the equipment of the equipment and health evaluating grade that break down
Connection, and pointed out on display or giant-screen with the visualization technique of two dimension or three-dimensional, by the position broken down
Shown and highlighted prompting, provide visual cues for monitoring personnel or troubleshooting is instructed.
Although giving detailed description to the specific embodiment of the present invention above and illustrating, it should be noted that
It is that we can carry out various equivalent changes and modification to above-mentioned embodiment according to the conception of the present invention, its institute
The function of generation still without departing from description and accompanying drawing covered it is spiritual when, all should the present invention protection model
Within enclosing.
Claims (12)
1. a kind of health status monitoring system for space-environment facility, the health status monitoring system
System includes data acquisition unit (100), data transceiving unit (200), systematic knowledge unit (300), failure
Diagnosis unit (400), health control unit (500) and real-time display unit (600)：
Data acquisition unit (100)：Space-environment facility intermediate pump is gathered by temperature sensor
Compressor case temperature, refrigeration liquid temp, cooling water temperature；Spatial environmentss mould is gathered by pressure transducer
Intend internal pressure, manifold pressure, compressed air pressure, the refrigerating fluid liquid supply pressure of testing equipment；By stream
The real time status informations such as quantity sensor collection cooling water flow, refrigeration flow quantity；
Data transceiving unit (200)：The real time data that data acquisition unit (100) is transmitted, using simultaneously
The mode of row multithreading, according to distinct device (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water machine
Group, compressed air unit etc.) Data Source set up corresponding label, be then distributed to systematic knowledge unit
(300), in failure diagnosis unit (400) and health control unit (500)；
Systematic knowledge unit (300)：By data transceiving unit (200) distribute equipment (vacuum pump compressor,
Vacuum valve, refrigeration machine, cooling water unit, compressed air unit etc.) real time data, storage to systematic knowledge
In unit (300), the running state information of record and archival device, as knowledge information storage；
Failure diagnosis unit (400)：Knowledge information in calling system blocks of knowledge (300), receives with data
The device data label of bill unit (200) distribution is compared, and is realized (vacuum pump compressor, true to equipment
Empty valve, refrigeration machine, cooling water unit, compressed air unit etc.) exception or malfunction enter row mode and sentence
Prompting etc. is advised in disconnected, fault location, failure cause, impact analysis and maintenance；
Health control unit (500)：By data transceiving unit (200) and failure diagnosis unit (400) point
The equipment (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, compressed air unit etc.) sent out
Key index in real-time data collection and real time fail data, provides equipment current health index, current device
Health Category and equipment health control suggestion, realize health state evaluation to equipment；
Real-time display unit (600)：For by the fault diagnosis result in failure diagnosis unit (400) and strong
Health state evaluation result in health administrative unit (500), with the equipment and health evaluating grade for breaking down
Equipment be associated, and pointed out on display or giant-screen with two dimension or the visualization technique of three-dimensional, will occur
The position of failure is shown and highlighted prompting, provides visual cues for monitoring personnel or troubleshooting is instructed.
2. health status monitoring system as claimed in claim 1, wherein described failure diagnosis unit (400)
Including：
Diagnosis unit (410)：The device data label that data transceiving unit (200) is distributed and systematic knowledge
Knowledge information in unit (300), carries out Data Comparison, and provide whether measurement equipment to be checked break down examines
Disconnected result；
Mode analyzing unit (420)：Analyzed by the fault diagnosis result of diagnosis unit (410), with reference to system
The reason for historical failure mode list information in system blocks of knowledge (300), analysis current failure possibility and event
Barrier grade, is given and accordingly may affect result；
Guide unit (430)：By the accident analysis of diagnosis unit (410) and mode analyzing unit (420),
Troubleshooting prompting is provided using text description or fault tree mode, there is provided refer to as failure troubleshooting to maintenance of equipment personnel
Lead.
3. health status monitoring system as claimed in claim 2, wherein described diagnosis unit (410) includes：
First judging unit (411), the number of the measurement equipment to be checked for data transceiving unit (200) to be distributed
Judged according to the parameter limit value of the measurement equipment to be checked in label and systematic knowledge unit (300), and to pattern
Analytic unit (420) sends the judged result whether equipment breaks down；
Second judging unit (412), the number of the measurement equipment to be checked for data transceiving unit (200) to be distributed
Judged according to the eigenvalue (0,1) of the measurement equipment to be checked in label and systematic knowledge unit (300), and
The judged result whether equipment breaks down is sent to mode analyzing unit (420)；
3rd judging unit (413), the number of the measurement equipment to be checked for data transceiving unit (200) to be distributed
Judged according to the phenomenon description of the measurement equipment to be checked in label and systematic knowledge unit (300), and to pattern
Analytic unit (420) sends the judged result whether equipment breaks down.
4. health status monitoring system as claimed in claim 1, wherein the sensor include temperature sensor,
Pressure transducer, flow transducer.
5. health status monitoring system as claimed in claim 1, wherein described knowledge information includes vacuum pump pressure
Contracting machine, valve, refrigeration machine, cooling water unit, the manual information of compressed air unit, case information, rule
Information etc..Manual information includes that vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, compression are empty
Workbook and maintenance manual(MM) of mechanism of qi group etc.；The motor overheating of case information including vacuum pump compressor and
Motor phase failure, spacing, cooling water the temperature of switch, the pressure of compressed air of valve etc.；Rule Information includes
Two ends before vacuum break valve (in space-environment facility and in pipeline) pressure difference value judges, true
Delayed startup between forepressure judgement, vacuum pump group before empty pump compressor start etc..
6. health status monitoring system as claimed in claim 1, wherein described key index includes vacuum pump pressure
Contracting machine run time, cooling water temperature and flow, compressed air pressure, vacuum valve on-off times etc..
7. health status monitoring system as claimed in claim 1, wherein described health index is referred to according to equipment
Key index, the equipment that is given currently runs the quantization parameter (0～100) of health status, including vacuum pump compressor
Run time, cooling water temperature and flow, compressed air pressure, vacuum valve on-off times.
8. health status monitoring system as claimed in claim 1, wherein described Health Category is referred to according to equipment
Health index, provides the Health Category of equipment currently operation, including the Three Estate such as health, degeneration, weak.
9. health status monitoring system as claimed in claim 1, wherein described health control suggestion refers to basis
Equipment Health Category, the health control suggestion that the equipment that is given currently runs, including detection, maintenance, maintenance etc. three
Class is advised.
10. diagnosis unit as claimed in claim 3, wherein the judged result of the parameter limit value includes：Judge
Whether the skin temperature of vacuum pump compressor is more than 38 DEG C；Judge cooling water temperature whether more than 30 DEG C；Judge
Whether cooling water flow is less than setting value；Judge compressed air pressure whether less than setting value etc., described setting
Value can be set according to the operational factor of equipment.
11. diagnosis units as claimed in claim 3, wherein the judged result of the eigenvalue includes：Judge true
Whether empty valve opens (1)/closing (0) in place；Judge that pump operation state is normal (1) or abnormal (0).
12. diagnosis units as claimed in claim 3, wherein the judged result of phenomenon description includes：Judge
Whether the internal pressure variation tendency of space-environment facility is normal；Judge that space environment simulation test sets
Whether standby internal refrigerating fluid measured temperature variation tendency is normal.
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| CN113126571A (en) * | 2019-12-31 | 2021-07-16 | 东芝三菱电机工业系统(中国)有限公司 | Electric transmission device health diagnosis system and method and central control device |
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| CN113126571B (en) * | 2019-12-31 | 2024-04-30 | 东芝三菱电机工业系统(中国)有限公司 | Electric transmission device health diagnosis system, method and central control device |
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| CN113126571B (en) * | 2019-12-31 | 2024-04-30 | 东芝三菱电机工业系统(中国)有限公司 | Electric transmission device health diagnosis system, method and central control device |
| CN114248995A (en) * | 2020-09-22 | 2022-03-29 | 佳能医疗系统株式会社 | Biochemical analyzer and reagent storage |
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