CN106610345B - A set of health status monitoring system for space-environment facility - Google Patents
A set of health status monitoring system for space-environment facility Download PDFInfo
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Abstract
The present invention relates to a kind of health status monitoring systems for space-environment facility, the health status monitoring 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), wherein the failure diagnosis unit (400) includes diagnosis unit (410), mode analyzing unit (420) and guide unit (430).The present invention can the measuring and control data resource to space-environment facility rationally utilized, improve accuracy, comprehensive and the degree of automation of failure emergency processing, safeguards system safe operation and work normally, while providing support for maintenance decision.
Description
Technical field
The invention belongs to spacecraft thermal vacuum test fields, and in particular to a set of for space-environment facility
Health status monitoring system.
Background technique
It is tried with the continuous accumulation of space-environment facility construction and use experience, and in space environment simulation
Test the continuous improvement in equipment use process to equipment high efficiency, reliability service requirement, previous posterior maintenance, the tradition of Curve guide impeller
Reliability method for improving has been unable to meet the construction and requirement of space-environment facility.To real-time monitoring spatial loop
Simulated test facility " health " state in border simultaneously carries out failure predication in advance and assists the growing of maintenance management demand, to reduce
All kinds of emergency risks in space-environment facility operational process, and realize the failure precognition of each subsystem, evade
Support is provided with solution.Under such demand, need to develop a set of healthy shape for space-environment facility
State monitor system, can the measuring and control data resource to space-environment facility rationally utilized, improve failure meet an urgent need
The accuracy of processing, comprehensive and the degree of automation, safeguards system safe operation and normal work, while being provided for maintenance decision
It supports.
The present inventor has found, existing space environment simulation examination in the implementation of the present invention by adequately understanding
It tests equipment and does not have the function being managed to equipment " health " state.
Summary of the invention
It is an object of the invention to invent and design a set of health status monitoring for space-environment facility
System, solve existing spacecraft thermal vacuum test task it is more caused by the skills such as equipment failure rate is high, randomness is strong, can not predict
Art problem carries out vacuum thermal test in space-environment facility for spacecraft and provides technical guarantee.
Object of the present invention is to what is be achieved through the following technical solutions:
For the health status monitoring system of space-environment facility, the health status monitoring system includes number
According to acquisition unit, data transceiving unit, systematic knowledge unit, failure diagnosis unit, health control unit and real-time display unit:
Data acquisition unit is acquired by temperature sensor outside the compressor of space-environment facility intermediate pump
Shell temperature, refrigerating fluid temperature, cooling water temperature；The inside pressure of space-environment facility is acquired by pressure sensor
Power, manifold pressure, compressed air pressure, refrigerating fluid liquid supply pressure；Cooling water flow, refrigerating fluid are acquired by flow sensor
The real time status informations such as flow；
The real time data that data transceiving unit is transmitted data acquisition unit, by the way of parallel multithread, according to
The data source of distinct device (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, compressed air unit etc.) is built
Corresponding label is found, is then distributed in systematic knowledge unit, failure diagnosis unit and health control unit；
Equipment that systematic knowledge unit distributes data transceiving unit is (vacuum pump compressor, vacuum valve, refrigeration machine, cold
But water dispenser group, compressed air unit etc.) real time data, it stores into systematic knowledge unit, records the operation shape of simultaneously archival device
State information is stored as knowledge information；
Knowledge information in failure diagnosis unit calling system blocks of knowledge, the device data with data transceiving unit distribution
Label is compared, and realizes to equipment (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, compressed air unit
Deng) exception or malfunction carry out mode decision, fault location, failure cause, impact analysis and maintenance suggest prompt etc.；
Equipment that health control unit is distributed by data transceiving unit and failure diagnosis unit is (vacuum pump compressor, true
Empty valve, refrigeration machine, cooling water unit, compressed air unit etc.) key in real-time data collection and real time fail data refers to
Mark, provides equipment current health index, the Health Category of current device and equipment health control suggestion, and equipment is good in realization
Health status assessment；
Real-time display unit is used for the health in the fault diagnosis result and health control unit in failure diagnosis unit
Condition evaluation results, it is associated with the equipment of the equipment and health evaluating grade that break down, and with two-dimentional or three-dimensional visual
Change technology prompts on display or large screen, and the position broken down is carried out display and highlighted prompt, is mentioned for monitoring personnel
It is instructed for visual cues or troubleshooting.
Wherein, the failure diagnosis unit includes:
Diagnosis unit: the knowledge information in device data label and systematic knowledge unit that data transceiving unit is distributed,
Data comparison is carried out, the diagnostic result whether measurement equipment to be checked breaks down is provided；
Mode analyzing unit: it is analyzed by the fault diagnosis result of diagnosis unit, in conjunction with the history in systematic knowledge unit
Fault mode list information, analysis current failure possible reason and fault level, result may accordingly be influenced by providing；
Guide unit: by the accident analysis of diagnosis unit and mode analyzing unit, using text description or fault tree side
Formula provides troubleshooting prompt, is supplied to maintenance of equipment personnel and instructs as failure troubleshooting.
Wherein, the diagnosis unit includes:
First judging unit: the data label and systematic knowledge list of the measurement equipment to be checked for distributing data transceiving unit
The parameter limit value of measurement equipment to be checked in member is judged, and issues the judgement whether equipment breaks down to mode analyzing unit
As a result；
Second judgment unit: the data label and systematic knowledge list of the measurement equipment to be checked for distributing data transceiving unit
The characteristic value (0,1) of measurement equipment to be checked in member is judged, and issues what whether equipment broke down to mode analyzing unit
Judging result；
Third judging unit: the data label and systematic knowledge list of the measurement equipment to be checked for distributing data transceiving unit
The description of the phenomenon that measurement equipment to be checked in member is judged, and issues the judgement whether equipment breaks down to mode analyzing unit
As a result.
Wherein, the 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..Manual information includes vacuum pump compression
Machine, vacuum valve, refrigeration machine, cooling water unit, the operation manual of compressed air unit and maintenance manual(MM) etc.；Case information
The switch limit of motor overheating and motor phase failure, valve including vacuum pump compressor, the temperature of cooling water, the pressure of compressed air
Power etc.；Rule Information includes both ends (in space-environment facility and in pipeline) pressure difference value before vacuum break valve
The delayed startup etc. between forepressure judgement, vacuum pump group before judgement, vacuum pump compressor start.
Wherein, the health control unit, wherein the key index include vacuum pump compressor operating time, it is cold
But coolant-temperature gage and flow, compressed air pressure, vacuum valve on-off times etc..
Wherein, the health control unit is provided and is set wherein the health index refers to according to equipment key index
The quantization parameter (0~100) of standby current operation health status, including vacuum pump compressor operating time (get over by accumulated running time
Short, quantization parameter is bigger), cooling water temperature (closer to setting value, quantization parameter is bigger) and flow be (closer to setting value, amount
It is bigger to change parameter), compressed air pressure (closer to setting value, quantization parameter is bigger), vacuum valve on-off times (on-off times
Fewer, quantization parameter is bigger) etc..
Wherein, the health control unit is provided and is set wherein the Health Category refers to according to equipment health index
Standby currently running Health Category, including the three grades such as health, degeneration, weak.
Wherein, the health control unit is given wherein the health control suggestion refers to according to equipment Health Category
The three classes suggestion such as equipment currently running health control suggestion, including detection, maintenance, maintenance out.
Currently, the health status monitoring system puts into operation in certain large space environmental-test facility project, use
In space-environment facility inline diagnosis, decision and operational management process, it is related to space-environment facility
The processes such as operational management, status monitoring, fault diagnosis, prediction, health state evaluation, diagnosis and decision, system run all right,
The level of IT application for improving space-environment facility overall operation changes previous correction maintenance, Curve guide impeller
Convectional reliability method carries out failure predication to the lasting health status of space-environment facility in advance and assists to safeguard
Management reduces all kinds of emergency risks in space-environment facility operation and the course of work, reduces space environment
The running rate of breakdown of simulated test facility, to realize the failure precognition of space-environment facility, evading reconciliation
Support is certainly provided, and improves the management level of testing equipment.
Detailed description of the invention
Fig. 1 is the structural frames of the health status monitoring system embodiment for space-environment facility of the invention
Figure；
Fig. 2 is the structural block diagram of failure diagnosis unit (400) in Fig. 1.
Specific embodiment
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be made simply below
It introduces, it is clear that ground, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without any creative labor, it is also possible to obtain other drawings based on these drawings.
Referring to Fig.1, Fig. 1 shows the health status monitoring system group for space-environment facility of the invention
At structure chart.Wherein, the health status monitoring system for space-environment facility of the invention, including data acquisition
Unit 100, data transceiving unit 200, systematic knowledge unit 300, failure diagnosis unit 400, health control unit 500 and in real time
Display unit 600.
Data acquisition unit 100 acquires the compression of space-environment facility intermediate pump by temperature sensor
Machine skin temperature, refrigerating fluid temperature, cooling water temperature；The inside of space-environment facility is acquired by pressure sensor
Pressure, manifold pressure, compressed air pressure, refrigerating fluid liquid supply pressure；Cooling water flow, refrigeration are acquired by flow sensor
The real time status informations such as flow quantity.
Data transceiving unit 200, the real time data that data acquisition unit 100 is transmitted, using the side of parallel multithread
Formula, according to the data of distinct device (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, compressed air unit etc.)
Corresponding label is established in source, is then distributed to systematic knowledge unit 300, failure diagnosis unit 400 and health control unit 500
In.
Systematic knowledge unit 300, the equipment that data transceiving unit 200 is distributed (vacuum pump compressor, vacuum valve, system
Cold, cooling water unit, compressed air unit etc.) real time data, it stores into systematic knowledge unit 300, records and file and set
Standby running state information is stored as knowledge information.
Knowledge information in the systematic knowledge unit 300 includes 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 operation manual of compressed air unit and maintenance manual(MM) etc.；Case information includes true
The motor overheating and motor phase failure, the switch limit of valve, the temperature of cooling water, the pressure of compressed air etc. of sky pump compressor；
Rule Information include both ends (in space-environment facility and in pipeline) pressure difference value judgement before vacuum break valve,
The delayed startup etc. between forepressure judgement, vacuum pump group before vacuum pump compressor start.
Failure diagnosis unit 400, the knowledge information in calling system blocks of knowledge 300 are distributed with data transceiving unit 200
Device data label be compared, realize to equipment (vacuum pump compressor, vacuum valve, refrigeration machine, cooling water unit, pressure
Contracting air unit etc.) exception or malfunction carry out mode decision, fault location, failure cause, impact analysis and maintenance build
View prompt etc..
Referring to fig. 2, Fig. 2 shows the structural block diagram of the failure diagnosis unit (400) in the present invention, the fault diagnosis list
Member 400 includes diagnosis unit 410, mode analyzing unit 420 and guide unit 430；Wherein the diagnosis unit 410 includes first
Judging unit 411, second judgment unit 412 and third judging unit 413.
In diagnosis unit 410, the device data label that data transceiving unit 200 is distributed and systematic knowledge unit 300
Knowledge information carries out data comparison, provides the diagnostic result whether measurement equipment to be checked breaks down；
The diagnosis unit 410 includes:
First judging unit 411, the data label and system of the measurement equipment to be checked for distributing data transceiving unit 200
The parameter limit value of measurement equipment to be checked in blocks of knowledge 300 is judged, and issues whether equipment goes out to mode analyzing unit 420
The judging result of existing failure, comprising: judge the skin temperature of vacuum pump compressor whether more than 38 DEG C；Judging cooling water temperature is
It is no more than 30 DEG C；Judge whether cooling water flow is lower than setting value；Judge whether compressed air pressure is lower than setting value etc., it is described
Setting value can be set according to the operating parameter of equipment；
Second judgment unit 412, the data label and system of the measurement equipment to be checked for distributing data transceiving unit 200
The characteristic value (0,1) of measurement equipment to be checked in blocks of knowledge 300 is judged, and is to the sending of mode analyzing unit 420 equipment
The judging result of no failure, comprising: judge whether vacuum valve opens (1)/closing (0) in place；Judge pump operation state
It is normal (1) or exception (0)；
Third judging unit 413, the data label and system of the measurement equipment to be checked for distributing data transceiving unit 200
The description of the phenomenon that measurement equipment to be checked in blocks of knowledge 300 is judged, and issues whether equipment goes out to mode analyzing unit 420
The judging result of existing failure, comprising: judge whether the internal pressure variation tendency of space-environment facility is normal；Judgement
Whether the refrigerating fluid measured temperature variation tendency inside space-environment facility is normal.
Mode analyzing unit 420 is analyzed by the fault diagnosis result of diagnosis unit 410, in conjunction with systematic knowledge unit 300
In historical failure mode list information, the possible reason and fault level of analysis current failure, knot may accordingly be influenced by providing
Fruit.
The failure and reason, fault level are as follows:
● failure 1: the skin temperature of vacuum pump compressor is more than 38 DEG C.Reason 1: cooling water flow is insufficient, water temperature over-high；
Reason 2: the power supply unit phase shortage of pump.Fault level: high.Influence result: pump is shut down；
● failure 2: cooling water temperature is more than 30 DEG C.Reason 1: cooling water unit failure；Reason 2: cooling water temperature setting
It is worth excessively high.Fault level: high.Influence result: pump is shut down；
● failure 3: cooling water flow is lower than setting value.Reason 1: cooling water unit failure；Reason 2: cooling water flow is set
Definite value is too low.Fault level: high.It influences result: being shut down with cooling water equipment；
● failure 4: compressed air pressure is lower than setting value.Reason 1: compressed air unit failure；Reason 2: compressed air
Pressure set points are too low.Fault level: high.Influence result: operated pneumatic valve is fail to open；
● failure 5: opening/closing for vacuum valve is not in place.Reason 1: compressed air pressure is lower than setting value；Reason 2:
Sensor position deviates.Fault level: in.Influence result: the internal pressure environment for influencing space-environment facility is built
It is vertical；
● failure 6: pumping speed decline.Reason 1: pumping hole plugged filter；Reason 2: electrical fault.Fault level: in.Shadow
Ring result: the internal pressure environment for influencing space-environment facility is established；
● failure 7: the internal pressure variation tendency of space-environment facility is abnormal.Reason 1: space environment mould
Quasi- testing equipment sealing performance is bad, there is leakage hole；Reason 2: there is deflation source in space-environment facility；Reason 3: it takes out
Gas equipment (vacuum pump) failure；Reason 4: pressure measuring device failure.Fault level: high.Influence result: space environment simulation examination
Testing equipment can not come into operation；
● failure 8: the refrigerating fluid measured temperature variation tendency inside space-environment facility is abnormal.Reason
1: the circulation duct of refrigerating fluid has blocking；Reason 2: the flow of refrigerating fluid is inadequate；Reason 3: temperature sensor fault.Failure etc.
Grade: high.Influence result: space-environment facility can not come into operation.
Guide unit 430, by the accident analysis of diagnosis unit 410 and mode analyzing unit 420, using text description or
Fault tree mode provides troubleshooting prompt, is supplied to maintenance of equipment personnel and instructs as failure troubleshooting.
The troubleshooting prompt is as follows:
● failure 1: the skin temperature of vacuum pump compressor is more than 38 DEG C.Troubleshooting prompt 1: cooling water flow and temperature are checked
Degree；Troubleshooting prompt 2: check pump power supply unit whether phase shortage；
● failure 2: cooling water temperature is more than 30 DEG C.Troubleshooting prompt 1: cooling water operating states of the units is checked；Troubleshooting prompt
2: checking whether cooling water temperature setting value is reasonable；
● failure 3: cooling water flow is lower than setting value.Troubleshooting prompt 1: cooling water operating states of the units is checked；Troubleshooting mentions
Show 2: checking whether cooling water flow setting value is reasonable；
● failure 4: compressed air pressure is lower than setting value.Troubleshooting prompt 1: compressed air unit operating status is checked；Row
Therefore prompt 2: check whether compressed air pressure setting value is reasonable；
● failure 5: opening/closing for vacuum valve is not in place.Troubleshooting prompt 1: compressed air unit operating status is checked；
Troubleshooting prompt 2: sensor position is checked；
● failure 6: pumping speed decline.Troubleshooting prompt 1: pumping hole filter is checked；Troubleshooting prompt 2: the motor shape of pump is checked
State；
● failure 7: the internal pressure variation tendency of space-environment facility is abnormal.Troubleshooting prompt 1: to space
Environmental-test facility is stopped leakage in the roof；Troubleshooting prompt 2: the material of test specimen product is checked；Troubleshooting prompt 3: air-extractor is checked
Operating status；Troubleshooting prompt 4: pressure measuring device operating status is checked；
● failure 8: the refrigerating fluid measured temperature variation tendency inside space-environment facility is abnormal.Troubleshooting
Prompt 1: the circulation duct of refrigerating fluid is checked；Troubleshooting prompt 2: the flow of refrigerating fluid is checked；Troubleshooting prompt 3: temperature sensing is checked
Device state.
Health control unit 500, the equipment (vacuum pump distributed by data transceiving unit 200 and failure diagnosis unit 400
Compressor, vacuum valve, refrigeration machine, cooling water unit, compressed air unit etc.) in real-time data collection and real time fail data
Key index, provide equipment current health index, the Health Category of current device and equipment health control suggestion, realize pair
The health state evaluation of equipment.
The key index include vacuum pump compressor operating time, cooling water temperature and flow, compressed air pressure,
Vacuum valve on-off times etc..
The health index, which refers to, provides the quantization parameter that equipment currently runs health status according to equipment key index
(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 (closer to setting value, quantization parameter is bigger), compressed air pressure are (more
Close to setting value, quantization parameter is bigger), vacuum valve on-off times (on-off times are fewer, and quantization parameter is bigger) etc..
The Health Category refers to according to equipment health index, provides the currently running Health Category of equipment, including strong
The three grades such as health, degeneration, weak.
The health control suggestion refers to according to equipment Health Category, provides the currently running health control of equipment and builds
View, including the three classes suggestion such as detection, maintenance, maintenance.
Real-time display unit 600, for by the fault diagnosis result and health control unit in failure diagnosis unit 400
Health state evaluation in 500 as a result, associated with the equipment of the equipment and health evaluating grade that break down, and with two dimension or
Three-dimensional visualization technique prompts on display or large screen, and the position broken down is carried out display and highlighted prompt, is
Monitoring personnel provides visual cues or troubleshooting guidance.
Although the detailed description and description of the specific embodiments of the present invention are given above, it should be noted that
We can carry out various equivalent changes and modification to above embodiment according to the concept of the present invention, and generated function is made
It, should all be within protection scope of the present invention when with the spirit still covered without departing from specification and attached drawing.
Claims (12)
1. being used for the health status monitoring system of spacecraft space environmental-test facility, the health status monitoring system packet
It includes data acquisition unit (100), data transceiving unit (200), systematic knowledge unit (300), failure diagnosis unit (400), be good for
Health administrative unit (500) and real-time display unit (600):
Data acquisition unit (100): the compressor of space-environment facility intermediate pump is acquired by temperature sensor
Skin temperature, refrigerating fluid temperature, cooling water temperature；The inside pressure of space-environment facility is acquired by pressure sensor
Power, manifold pressure, compressed air pressure, refrigerating fluid liquid supply pressure；Cooling water flow, refrigerating fluid are acquired by flow sensor
The real time status information of flow；
Data transceiving unit (200): the real time data that data acquisition unit (100) is transmitted, using the side of parallel multithread
Formula establishes corresponding label according to the data source of distinct device, is then distributed to systematic knowledge unit (300), fault diagnosis
In unit (400) and health control unit (500)；
Systematic knowledge unit (300): systematic knowledge list is arrived in the equipment real time data that data transceiving unit (200) are distributed, storage
In first (300), the running state information of simultaneously archival device is recorded, is stored as knowledge information；The equipment includes vacuum pump pressure
Contracting machine, vacuum valve, refrigeration machine, cooling water unit, compressed air unit；
Failure diagnosis unit (400): the knowledge information in calling system blocks of knowledge (300), with data transceiving unit (200) point
The device data label of hair is compared, realize to the exception or malfunction of the equipment carry out mode decision, fault location,
Prompt is suggested in failure cause, impact analysis and maintenance；
Health control unit (500): the equipment distributed by data transceiving unit (200) and failure diagnosis unit (400) is real-time
Acquire the key index in data and real time fail data, provide equipment current health index, current device Health Category with
And equipment health control suggestion, realize the health state evaluation to equipment；
Real-time display unit (600): it is used for the fault diagnosis result and health control unit in failure diagnosis unit (400)
(500) health state evaluation in is as a result, associated with the equipment of the equipment and health evaluating grade that break down, and with two dimension
Or three-dimensional visualization technique prompts on display or large screen, and the position broken down is carried out display and highlighted prompt,
Visual cues or troubleshooting guidance are provided for monitoring personnel.
2. health status monitoring system as described in claim 1, wherein the failure diagnosis unit (400) includes:
Diagnosis unit (410): will be in the device data label and systematic knowledge unit (300) of data transceiving unit (200) distribution
Knowledge information, carry out data comparison, provide the diagnostic result whether measurement equipment to be checked breaks down；
Mode analyzing unit (420): it is analyzed by the fault diagnosis result of diagnosis unit (410), in conjunction with systematic knowledge unit
(300) the historical failure mode list information in, analysis current failure possible reason and fault level, providing accordingly may shadow
Ring result；
Guide unit (430): it by the accident analysis of diagnosis unit (410) and mode analyzing unit (420), is described using text
Or fault tree mode provides troubleshooting prompt, is supplied to maintenance of equipment personnel and instructs as failure troubleshooting.
3. health status monitoring system as claimed in claim 2, wherein the diagnosis unit (410) includes:
First judging unit (411), the data label and system of the measurement equipment to be checked for distributing data transceiving unit (200)
The parameter limit value of measurement equipment to be checked in blocks of knowledge (300) is judged, and is to mode analyzing unit (420) sending equipment
The judging result of no failure；
Second judgment unit (412), the data label and system of the measurement equipment to be checked for distributing data transceiving unit (200)
The characteristic value (0,1) of measurement equipment to be checked in blocks of knowledge (300) is judged, and is issued and set to mode analyzing unit (420)
The standby judging result whether to break down；
Third judging unit (413), the data label and system of the measurement equipment to be checked for distributing data transceiving unit (200)
The description of the phenomenon that measurement equipment to be checked in blocks of knowledge (300) judged, and is issued equipment to mode analyzing unit (420) and be
The judging result of no failure.
4. health status monitoring system as described in claim 1, wherein the sensor includes temperature sensor, pressure biography
Sensor, flow sensor.
5. health status monitoring system as described in claim 1, 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.
6. health status monitoring system as described in claim 1, wherein manual information includes vacuum pump compressor, vacuum valve
Door, refrigeration machine, cooling water unit, compressed air unit operation manual and maintenance manual(MM)；Case information includes vacuum pump
The motor overheating and motor phase failure of compressor, the switch limit of valve, the temperature of cooling water, the pressure of compressed air；Rule letter
Breath includes the pressure at two ends difference judgement before vacuum break valve, the forepressure judgement before vacuum pump compressor start, vacuum
Delayed startup between pump group.
7. health status monitoring system as described in claim 1, wherein the health index refers to be referred to according to equipment key
Mark, provides the quantization parameter that equipment currently runs health status, including vacuum pump compressor operating time, cooling water temperature and stream
Amount, compressed air pressure, vacuum valve on-off times.
8. health status monitoring system as described in claim 1, wherein the Health Category refers to be referred to according to equipment health
Number provides the currently running Health Category of equipment, including health, degeneration, weak three grades.
9. health status monitoring system as described in claim 1, wherein the health control suggestion refers to strong according to equipment
Health grade provides the currently running health control suggestion of equipment, including detection, maintenance, maintenance three classes suggestion.
10. health status monitoring system as claimed in claim 3, wherein the judging result of the parameter limit value includes: judgement
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 cooling water flow
Whether setting value is lower than；Judge whether compressed air pressure is lower than setting value etc., the setting value can be according to the fortune of equipment
Row parameter is set.
11. health status monitoring system as claimed in claim 3, wherein the judging result of the characteristic value includes: that judgement is true
Whether empty valve opens (1)/closing (0) in place；Judge that pump operation state is normal (1) or exception (0).
12. health status monitoring system as claimed in claim 3, wherein the judging result of the phenomenon description includes: judgement
Whether the internal pressure variation tendency of space-environment facility is normal；Judge inside space-environment facility
Whether refrigerating fluid measured temperature variation tendency is normal.
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