CN108443158A - Air-conditioning system and helical-lobe compressor and its lubricating oil detection device - Google Patents
Air-conditioning system and helical-lobe compressor and its lubricating oil detection device Download PDFInfo
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- CN108443158A CN108443158A CN201810382138.0A CN201810382138A CN108443158A CN 108443158 A CN108443158 A CN 108443158A CN 201810382138 A CN201810382138 A CN 201810382138A CN 108443158 A CN108443158 A CN 108443158A
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- lubricating oil
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- helical
- oil
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 119
- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 238000004378 air conditioning Methods 0.000 title claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 82
- 239000002253 acid Substances 0.000 claims abstract description 15
- 239000000314 lubricant Substances 0.000 claims description 32
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims 1
- 239000005642 Oleic acid Substances 0.000 claims 1
- 239000010725 compressor oil Substances 0.000 claims 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 241001347978 Major minor Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/81—Sensor, e.g. electronic sensor for control or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/70—Safety, emergency conditions or requirements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/86—Detection
Abstract
A kind of air-conditioning system and helical-lobe compressor and its lubricating oil detection device, the air-conditioning system include helical-lobe compressor, which includes lubricating oil detection device, which includes：Detection pipes are mounted on the oil return line of helical-lobe compressor；Viscosity sensor is connect with the detection pipes, for detecting lubricating oil viscosity and generating lubricating oil viscosity signal；PH value sensor is connect with the detection pipes, and the pH value for detecting lubricating oil simultaneously generates acid value of lubricating oil signal；And first analysis module, it is connect respectively with the controller of the viscosity sensor, the pH value sensor and air-conditioning system, lubricating oil viscosity and pH value are identified and analyzed according to the lubricating oil viscosity signal and acid value of lubricating oil signal to obtain the instant viscosity number of lubricating oil and the instant pH value of lubricating oil, the controller receives and the instant viscosity number of lubricating oil and the instant pH value of lubricating oil described in real-time display on the display panel of the controller.
Description
Technical field
The present invention relates to a kind of compressor, especially a kind of air-conditioning system and helical-lobe compressor and its helical-lobe compressor lubricate
Oily detection device.
Background technology
Helical-lobe compressor is very important component in air-conditioning system.When helical-lobe compressor works, lubricating oil requirements are straight
It connects and is contacted with the gaseous refrigerant that helical-lobe compressor is sucked, delivery temperature passes through screw rod pressure up to 80-100 DEG C, gas mixture
The separator and cooler of contracting machine must endure as thermal cracking.Helical-lobe compressor generally use forced circulation oil jet lubrication mode, i.e.,
In compression process, cooling lubricating oil is injected directly into its discharge chambe, mixed with compressed gas and is arranged together from discharge chambe
After going out, by Oil-gas Separation, used with detaching and recycling most lubricating oil recirculations.
Because compressor lubricant oil is high in helical-lobe compressor internal recycle rate, is heated and cooled down repeatedly, and by metal
Oxidation catalysis, in use easily sucking air in impurity dust, influenced by corrosive gas, aggravate aged deterioration of oil product etc. because
Element so that heavy ingredient is deposited on metal surface and forms carbon distribution and paint mud under the high temperature conditions in lubricating oil, while lubricating oil
In light composition again can compressed medium take away, so that lubricating oil viscosity is increased, internal friction also can accordingly increase.Cause
Compressor use 1 year after, the chaser phenomenon caused by overtemperature is frequent, usually because temperature is excessively high and autostop.Therefore
Compressor lubricant oil just needs replacing for about 1500--2000 hours.
In the prior art, the frequent replacement of the compressor lubricant oil of helical-lobe compressor, when can only be according to the use of estimation
Between or helical-lobe compressor whether can work normally as the foundation for judging whether to need replacing, be unable to judge accurately compressor profit
The state of lubricating oil and in time more oil change, if on the one hand not timely more oil change, can influence the normal of helical-lobe compressor
It uses, influences normally to produce, if on the other hand lubricating oil can also be replaced in the case of normal use, be easy to cause compression
The unnecessary waste of machine lubricating oil.
Invention content
The technical problem to be solved by the present invention is to the above problem for the prior art, a kind of air-conditioning system and spiral shell are provided
Rod-type compressor and its lubricating oil detection device can judge whether to need to carry out more it by detecting lubricating oil viscosity and pH value
It changes, to overcome the drawbacks described above of the prior art.
To achieve the goals above, the present invention provides a kind of helical lobe compressor lubricant oil detection device of air-conditioning system,
Wherein, including：
Detection pipes are mounted on the oil return line of helical-lobe compressor；
Viscosity sensor is connect with the detection pipes, for detecting lubricating oil viscosity and generating lubricating oil viscosity signal；
PH value sensor is connect with the detection pipes, and the pH value for detecting lubricating oil simultaneously generates acid value of lubricating oil signal；
And
First analysis module connects with the controller of the viscosity sensor, the pH value sensor and air-conditioning system respectively
It connects, the lubricating oil viscosity signal and acid value of lubricating oil signal is read for receiving, according to the lubricating oil viscosity signal and profit
Lubricating oil acid value signal is identified and analyzed to obtain the instant viscosity number of lubricating oil to lubricating oil viscosity and pH value and lubricating oil is instant
PH value, and the instant viscosity number of the lubricating oil and the instant pH value of lubricating oil are uploaded to the controller of the air-conditioning system, the control
The device processed instant viscosity number of lubricating oil and the instant pH value of lubricating oil described in real-time display on the display panel of the controller.
Above-mentioned helical lobe compressor lubricant oil detection device, wherein further include：
Second analysis module is arranged between first analysis module and the controller of institute's air-conditioning system, for receiving
The instant viscosity number of the lubricating oil and the instant pH value of lubricating oil, and read the lubricating oil viscosity alarming value being arranged in the controller
With pH value alarming value, the instant viscosity number of lubricating oil is worth to ratio of viscosities compared with value with lubricating oil viscosity alarm, compares institute
It states the instant pH value of lubricating oil and is worth to PH fiducial values with pH value alarm, the viscosity fiducial value and PH fiducial values are uploaded into institute respectively
Controller is stated, the controller shows the viscosity fiducial value and PH fiducial values on said display panel.
Above-mentioned helical lobe compressor lubricant oil detection device, wherein the lubricating oil viscosity alarming value is less than or equal to profit
± the 15% of oil viscosity average value.
The upper helical lobe compressor lubricant oil detection device, wherein the pH value alarming value is less than for acid value of lubricating oil
Equal to 0.5mgkoh/g.
Above-mentioned helical lobe compressor lubricant oil detection device, wherein further include：
Alarm connect with second analysis module, or is connect with the controller, when the viscosity fiducial value and/
Or the PH fiducial values, when reaching a critical value, the alarm equipment alarm reminds the lubricating oil needed replacing in helical-lobe compressor.
Above-mentioned helical lobe compressor lubricant oil detection device, wherein the detection pipes are integrated knot with the oil return line
Component, the viscosity sensor and the pH value sensor are mounted on the outer wall of the detection pipes.
Above-mentioned helical lobe compressor lubricant oil detection device, wherein first analysis module and the second analysis mould
Block is an integration member.
In order to which above-mentioned purpose is better achieved, the present invention also provides a kind of helical-lobe compressors of air-conditioning system, wherein institute
State the helical lobe compressor lubricant oil detection device that helical-lobe compressor includes above-mentioned.
Above-mentioned helical-lobe compressor, wherein oil return inlet and oil in the helical-lobe compressor is arranged in the oil return line
Between gas separating device.
In order to which above-mentioned purpose is better achieved, the present invention also provides a kind of air-conditioning systems, wherein the air-conditioning system packet
Include above-mentioned helical-lobe compressor.
The technical effects of the invention are that：
The detection signal of compressor lubricant oil can be passed to the controller of air-conditioning system by the lubricating oil detection device of the present invention,
Whether need to replace it by the lubricating oil viscosity accurate judgement shown by controller.It can when lubricating oil viscosity is excessive
Early warning is carried out, reminds and replaces compressor lubricant oil in time, ensure that the normal use of helical-lobe compressor, simultaneously as precisely detection
Early warning avoids the unnecessary waste of compressor lubricant oil.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Description of the drawings
Fig. 1 is that the helical lobe compressor lubricant oil of one embodiment of the invention recycles schematic diagram；
Fig. 2 is the lubricating oil structure of the detecting device schematic diagram of one embodiment of the invention；
Fig. 3 is the detection pipes scheme of installation of one embodiment of the invention.
Wherein, reference numeral
1 compressor body
2 gs-oil separators
3 moisture traps
4 oil coolers
5 Gas Coolers
6 oil strainers
7 oil cut-off valves
8 lubricating oil detection devices
81 detection pipes
82 viscosity sensors
83 pH value sensors
84 first analysis modules
85 second analysis modules
86 alarms
9 oil return lines
10 air inlets
Specific implementation mode
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings：
Schematic diagram is recycled referring to the helical lobe compressor lubricant oil that Fig. 1, Fig. 1 are one embodiment of the invention.The air-conditioning of the present invention
System, including the helical-lobe compressor, the helical-lobe compressor include helical-lobe compressor ontology 1, the helical-lobe compressor ontology 1 it is main
The course of work is as follows：
Breathing process：The air inlet 10 of screw compressor, can make the abundant air-breathing of discharge chambe, and screw compressor sheet
Body 1 without intake and exhaust valve group, only lean on the unlatching of a regulating valve, close adjusting by air inlet, when the rotor of screw compressor rotates
When, when going to inlet end wall opening, space is maximum, the roller seating space space of rotor and air inlet at this time in the roller seating space space of major-minor rotor
The free air of mouth communicates, and because the air of the roller seating space in exhaust is discharged totally, at the end of exhaust, roller seating space is in vacuum state,
When going to air inlet, outside air is inhaled into, and is flowing axially into the roller seating space of major-minor rotor.When air is full of entire roller seating space
When, the air inlet side end face of rotor has left the air inlet of casing, and the air between roller seating space is closed.
Closing and transmission process：Two rotor of major-minor of screw compressor ontology 1 is at the end of air-breathing, major-minor rotor tooth
Summit closes envelope with casing, and air closes envelope in roller seating space and no longer outflows at this time, i.e., " closed process ".Two rotors are rotated further, tooth
Peak coincide with roller seating space in suction end, and matching surface is gradually moved to exhaust end.
Compression and injection process：In transmission process, the field of conjugate action of major-minor rotor is gradually moved to exhaust end, that is, is engaged
Reduce gradually between roller seating space between face and exhaust outlet, the gas in roller seating space is gradually compressed, and pressure improves, this is i.e. " compression process ".
And compress lubricating oil simultaneously also sprayed into because of the effect of pressure difference it is mixed with indoor gas in the discharge chambe of screw compressor ontology 1
It closes.
Exhaust process：When the engagement end face of the rotor of screw compressor ontology 1, which is gone to, to be communicated with casing exhaust, (this
When compressed gas pressure highest) gas compressed starts to be discharged, until the field of conjugate action of tooth peak and roller seating space moves to exhaust end face,
The two rotor fields of conjugate action and this roller seating space space of casing exhaust outlet are zero at this time, that is, complete (exhaust process), and rotor engages at the same time
Roller seating space length between face and casing air inlet 10 reaches longest again, and breathing process restarts to carry out.
The helical-lobe compressor further includes gs-oil separator 2, moisture trap 3, oil cooler 4, Gas Cooler 5, oil filtering
Device 6 and oil cut-off valve 7 further include lubricating oil detection device 8.The gs-oil separator 2 is connect with the gas outlet of compressor body 1, should
Gs-oil separator 2 is connected to oil cooler 4 and Gas Cooler 5 respectively by pipeline, and Gas Cooler 5 is connect with moisture trap 3,
Oil cooler 4 is connect by another pipeline with the oil return opening of the compressor body 1, and the oil strainer 6 is arranged on another pipeline,
The oil cut-off valve 7 is arranged on the pipeline that gs-oil separator 2 is connect with oil cooler 4, which also connects with another pipeline
Logical, the heel row that works of compressor body 1 goes out fuel-air mixture, the fuel-air mixture by Pipeline transport to the gs-oil separator 2,
Oil return line 9 there are one being also set up between gs-oil separator 2 and the oil return opening of compressor body 1, the helical lobe compressor lubricant oil
Detection device 8 is arranged on the oil return line 9.The fuel-air mixture that compressor body 1 is discharged is after gs-oil separator 2, gas
Part enters moisture trap 3 after Gas Cooler 5 through overcooled refrigerant, is followed in the middle into entire air-conditioning system
Ring；By the lubricating oil of the postcooling of oil cooler 4, return compressor body 1 continues cycling through use after oil strainer 6.
Because the composition of the helical-lobe compressor other parts, structure, mutual alignment relation and connection relation and its function etc. are equal
For the more ripe prior art, therefore this will not be repeated here, only gives in detail the helical lobe compressor lubricant oil detection device 8 below
Explanation.
It is the lubricating oil structure of the detecting device schematic diagram of one embodiment of the invention referring to Fig. 2, Fig. 2.The screw rod pressure of the present invention
Contracting machine lubricating oil detection device 8, is suitable for the helical-lobe compressor of air-conditioning system, and helical lobe compressor lubricant oil detection device 8 includes：
Detection pipes 81 are mounted on the oil return line 9 of helical-lobe compressor, and the oil return line 9 is arranged in the helical-lobe compressor ontology 1
Oil return inlet and gs-oil separator 2 between, wherein the detection pipes 81 and the oil return line 9 are preferably integral structural member,
The viscosity sensor 82 and the pH value sensor 83 are mounted on the outer wall of the detection pipes 81；Viscosity sensor 82, with
The detection pipes 81 connect, for detecting lubricating oil viscosity and generating lubricating oil viscosity signal；PH value sensor 83, and it is described
Detection pipes 81 connect, and the pH value for detecting lubricating oil simultaneously generates acid value of lubricating oil signal；And first analysis module 84, respectively
It is connect with the controller of the viscosity sensor 82, the pH value sensor 83 and air-conditioning system, the profit is read for receiving
Oil viscosity signal and acid value of lubricating oil signal, according to the lubricating oil viscosity signal and acid value of lubricating oil signal to lubricating oil viscosity
Degree and pH value are identified and analyzed to obtain the instant viscosity number of lubricating oil and the instant pH value of lubricating oil, and the lubricating oil is instant
Viscosity number and the instant pH value of lubricating oil upload the controller of the air-conditioning system, and the controller is in the display surface of the controller
The instant viscosity number of lubricating oil described in real-time display and the instant pH value of lubricating oil on plate.First analysis module 84 is believed using light current data
Number line is connect with the controller of the viscosity sensor 82, the pH value sensor 83 and air-conditioning system, light current data signal line
It is used for transmission detection pipes 81 and viscosity sensor 82 and pH value sensor 83 is signal collected.
It in the present embodiment, may also include the second analysis module 85, be arranged in first analysis module 84 and air-conditioning system of institute
Between the controller of system, for receiving the instant viscosity number of the lubricating oil and the instant pH value of lubricating oil, and the controller is read
The lubricating oil viscosity alarming value and pH value alarming value of interior setting, the instant viscosity number of lubricating oil are alarmed with lubricating oil viscosity
It is worth to viscosity fiducial value, the instant pH value of lubricating oil is worth to PH fiducial values with pH value alarm, by the ratio of viscosities
The controller is uploaded respectively compared with value and PH fiducial values, and the controller shows the viscosity fiducial value on said display panel
With PH fiducial values.Wherein, the lubricating oil viscosity alarming value is preferably less than ± 15% equal to lubricating oil viscosity average value, institute
It is preferably that acid value of lubricating oil is less than or equal to 0.5mgkoh/g to state pH value alarming value.First analysis module 84 and described second
Analysis module 85 is preferably integrated part, for example, by using integrated circuit board.
In the present embodiment, it may also include alarm 86, which can connect with second analysis module 85, or
Person connect with the controller, when the viscosity fiducial value and/or the PH fiducial values reach a critical value, the alarm
86 alarms, remind the lubricating oil needed replacing in helical-lobe compressor.
The lubricating oil detection device 8 of the present invention predominantly detects the viscosity and pH value of compressor lubricant oil, is referred to according to this two
Mark judges whether to need replacing the lubricating oil in compressor.Can normal use compressor lubricant oil acid value no more than
0.5mgkoh/g, viscosity float variation no more than ± 15%, and using above-mentioned data as lubricating oil viscosity alarming value and pH value
Alarming value imports controller.Lubricating oil detection device 8 samples the lubricating oil in air-conditioning system in oil return line 9, detection pipes 81
It is installed on oil return line 9, lubricating oil flows through oil return line 9, and signal is transferred to 82 He of viscosity sensor by detection pipes 81 respectively
PH value sensor 83 transmits a signal to the first analysis module 84 using circuit, lubricating oil viscosity and pH value is identified
And analysis.Second analysis module 85 carries out the alarming value that 84 read data of the first analysis module and controller are imported pair
Than, and judge whether to need to alarm.Variation ± 15% that alarming value is set to acid value 0.5mgkoh/g, viscosity is floated, it is practical
Start alarm 86 when value is more than alarming value.First, second analysis module 85 analyzes the data read in air-conditioner controller
Display panel on show, user can understand lubricating oil behaviour in service in real time.
The detection signal of compressor lubricant oil can be passed to the controller of air-conditioning system by the lubricating oil detection device of the present invention,
Whether need to replace it by the lubricating oil viscosity accurate judgement shown by controller.It can when lubricating oil viscosity is excessive
Early warning is carried out, reminds and replaces compressor lubricant oil in time, ensure that the normal use of helical-lobe compressor, simultaneously as precisely detection
Early warning avoids the unnecessary waste of compressor lubricant oil.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of helical lobe compressor lubricant oil detection device of air-conditioning system, which is characterized in that including：
Detection pipes are mounted on the oil return line of helical-lobe compressor；
Viscosity sensor is connect with the detection pipes, for detecting lubricating oil viscosity and generating lubricating oil viscosity signal；
PH value sensor is connect with the detection pipes, and the pH value for detecting lubricating oil simultaneously generates acid value of lubricating oil signal；And
First analysis module is connect with the controller of the viscosity sensor, the pH value sensor and air-conditioning system respectively, is used
The lubricating oil viscosity signal and acid value of lubricating oil signal are read in receiving, according to the lubricating oil viscosity signal and lubrication oleic acid
Value signal is identified and analyzed lubricating oil viscosity and pH value to obtain the instant viscosity number of lubricating oil and the instant pH value of lubricating oil, and
The instant viscosity number of the lubricating oil and the instant pH value of lubricating oil are uploaded to the controller of the air-conditioning system, the controller is in institute
State the instant viscosity number of lubricating oil described in real-time display and the instant pH value of lubricating oil on the display panel of controller.
2. helical lobe compressor lubricant oil detection device as described in claim 1, which is characterized in that further include：
Second analysis module is arranged between first analysis module and the controller of institute's air-conditioning system, described for receiving
The instant viscosity number of lubricating oil and the instant pH value of lubricating oil, and read the lubricating oil viscosity alarming value and PH being arranged in the controller
It is worth alarming value, the instant viscosity number of lubricating oil is worth to ratio of viscosities compared with value, the profit with lubricating oil viscosity alarm
The instant pH value of lubricating oil is worth to PH fiducial values with pH value alarm, and the viscosity fiducial value and PH fiducial values are uploaded the control respectively
Device processed, the controller show the viscosity fiducial value and PH fiducial values on said display panel.
3. helical lobe compressor lubricant oil detection device as claimed in claim 2, which is characterized in that the lubricating oil viscosity alarm
Value is less than or equal to ± the 15% of lubricating oil viscosity average value.
4. helical lobe compressor lubricant oil detection device as claimed in claim 2 or claim 3, which is characterized in that the pH value alarming value
It is less than or equal to 0.5mgkoh/g for acid value of lubricating oil.
5. helical lobe compressor lubricant oil detection device as claimed in claim 2, which is characterized in that further include：
Alarm connect with second analysis module, or is connect with the controller, when the viscosity fiducial value and/or
When the PH fiducial values reach a critical value, the alarm equipment alarm reminds the lubricating oil needed replacing in helical-lobe compressor.
6. helical lobe compressor lubricant oil detection device as described in claim 1, which is characterized in that the detection pipes and described time
Oil pipe line is structure as a whole part, the viscosity sensor and the pH value sensor on the outer wall of the detection pipes.
7. helical lobe compressor lubricant oil detection device as claimed in claim 2, which is characterized in that first analysis module and
Second analysis module is an integration member.
8. a kind of helical-lobe compressor of air-conditioning system, which is characterized in that the helical-lobe compressor includes in the claims 1-7
Helical lobe compressor lubricant oil detection device described in any one.
9. helical-lobe compressor as claimed in claim 8, which is characterized in that the oil return line is arranged in the helical-lobe compressor
Oil return inlet and gs-oil separator between.
10. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes the screw compression described in the claims 8 or 9
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810382138.0A CN108443158A (en) | 2018-04-26 | 2018-04-26 | Air-conditioning system and helical-lobe compressor and its lubricating oil detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810382138.0A CN108443158A (en) | 2018-04-26 | 2018-04-26 | Air-conditioning system and helical-lobe compressor and its lubricating oil detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443158A true CN108443158A (en) | 2018-08-24 |
Family
ID=63201159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810382138.0A Pending CN108443158A (en) | 2018-04-26 | 2018-04-26 | Air-conditioning system and helical-lobe compressor and its lubricating oil detection device |
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| CN (1) | CN108443158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266571A (en) * | 2021-05-10 | 2021-08-17 | 广东葆德科技有限公司 | Compressor engine oil viscosity control system and control method |
| WO2022207160A1 (en) * | 2021-03-31 | 2022-10-06 | Ipetronik Gmbh & Co. Kg | Cooling system for a vehicle |
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| CN113266571A (en) * | 2021-05-10 | 2021-08-17 | 广东葆德科技有限公司 | Compressor engine oil viscosity control system and control method |
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