CN209327293U - A kind of system detecting fire resistant hydraulic fluid compression ignition performance - Google Patents
A kind of system detecting fire resistant hydraulic fluid compression ignition performance Download PDFInfo
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- CN209327293U CN209327293U CN201920012301.4U CN201920012301U CN209327293U CN 209327293 U CN209327293 U CN 209327293U CN 201920012301 U CN201920012301 U CN 201920012301U CN 209327293 U CN209327293 U CN 209327293U
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- compression ignition
- fire resistant
- hydraulic fluid
- resistant hydraulic
- ignition performance
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Abstract
The utility model discloses a kind of systems for detecting fire resistant hydraulic fluid compression ignition performance, which includes: pressing combustion type engine system and the instrument control system being attached thereto, oil sample feed system and compression ignition detection system.The utility model can make to carry out accurate compression ignition performance differentiation between different fire resistant hydraulic fluids to be measured by way of changing instrument compression ratio.
Description
Technical field
The utility model relates to detect the system and method for oil product compression ignition performance, in particular to a kind of detection fire resistant hydraulic fluid
The system of compression ignition performance.
Background technique
In the prior art, there is no corresponding detection technique and means for the compression ignition performance for detecting hydraulic oil (liquid), yet
It is to say, at present at home, this aspect or a blank.But in application of the reality to hydraulic oil (liquid), especially one
In a little special dimensions, still have for the compression ignition performance of hydraulic oil (liquid) required.
Based on above-mentioned, the utility model proposes a kind of system and method for detecting fire resistant hydraulic fluid (liquid) compression ignition performance,
To realize that the compression ignition performance of detection hydraulic oil (liquid) provides a kind of possibility.
Utility model content
The purpose of the utility model is to provide a kind of systems for detecting fire resistant hydraulic fluid compression ignition performance, make different difficulties to be measured
Accurate compression ignition performance is carried out between retardant hydraulic oil by way of changing instrument compression ratio to distinguish.
In order to achieve the goal above, the utility model is achieved through the following technical solutions:
A kind of system detecting fire resistant hydraulic fluid compression ignition performance, comprising: pressing combustion type engine system and the instrument being attached thereto
Device control system, oil sample feed system and compression ignition detection system.
The pressing combustion type engine system includes:
Compression ignition engine and the starting motor being attached thereto, variable compression ratio TT&C system, intake air temperature TT&C system,
External circulation cooling system, interior circulating cooling system and working condition detection system.
The instrument control system includes:
Operation bench and the industrial computer and emergency stop switch being attached thereto.
The oil sample feed system includes:
Oil sample storage and switching device, oil sample flow measuring and controlling system and oil sample spray site TT&C system.
The compression ignition detection system includes: pressure-detecting device and temperature-detecting device.
The utility model compared with prior art, has the advantage that
Different fire resistant hydraulic fluids (liquid) is tested under the regulation operating condition of standard compression-ignition engine, and observes its combustion in real time
Situation is burnt, measures the accurate compression ignition performance indicator of sample by changing the compression ratio of engine.
Detailed description of the invention
Fig. 1 is a kind of structure chart for the system for detecting fire resistant hydraulic fluid compression ignition performance of the utility model.
Specific embodiment
The utility model is done and is further explained by the way that a preferable specific embodiment is described in detail below in conjunction with attached drawing
It states.
As shown in Figure 1, a kind of system for detecting fire resistant hydraulic fluid compression ignition performance provided by the utility model includes: compression ignition
Formula engine system 1 and the instrument control system 2 being attached thereto, oil sample feed system 3 and compression ignition detection system 4.The pressure
Combustion engine system 1 includes: compression ignition engine 11 and the starting motor 12 being attached thereto, continuous variable compression ratio system
13, intake air temperature TT&C system 14, outer cooling system 15, internal cooling system 16 and working condition detection system 17；The instrument behaviour
Control system 2 includes: operation bench 21 and the industrial computer 22 and emergency stop switch 23 that are attached thereto；The oil sample feed system 3 wraps
Contain: oil sample storage and switching device 31, oil sample flow measuring and controlling system 32, oil sample spray site TT&C system 33；The compression ignition inspection
Examining system 4 includes: pressure-detecting device 41 and temperature-detecting device 42.
Compression ignition engine sets the single-cylinder four-stroke diesel oil hair of vertical cast iron type continuous variable compression ratio using the right side of standard
Motivation, technical parameter as defined in the engine are cylinder diameter 3.25in, stroke 4.5in, discharge capacity 37.33in3, compression ratio adjustable extent
20~52；The test operation condition of the engine is 900 ± 9r/min of revolving speed, injection advance angle is 13 ° before top dead centre, nozzle is opened
Open 1500 ± 50lb/in of pressure2, 30 ± 0.5ml/min of injection rate, 60 ± 1 DEG C of intake air temperature, nozzle cooling water temperature 27 ± 1
℃；Other test operation conditions are alsied specify, such as lubricating oil temperature, lubricating oil pressure, crankcase negative pressure, interior circulating cooling water temperature
Degree etc..
Preferably, above-mentioned starting motor 12 is an ac synchronous motor and frequency conversion system, is connected by structure, is guaranteed
The soft start and constant rotational speed of engine.
Preferably, variable compression ratio TT&C system 13 includes a driving motor, relative motion detection sensor and torque
Sensor, when driving torque guarantees the normal operation of instrument for real-time monitoring compression.
Preferably, intake air temperature TT&C system 14 includes the heating of a high-precision temperature sensor, energy accurate temperature controlling
Device and temperature-controlling system, it is ensured that the intake air temperature of instrument is constant.
Preferably, external circulation cooling system 15 includes the high-power chilled water circulation of a set of energy precision controlling cooling liquid temperature
Machine and connecting line and temperature sensors of high precision.Ensure the experimental condition temperature of interior circulating cooling system and fuel nozzle.
Preferably, the interior circulating cooling system is using thermal syphon boiling type iterative cycles system, including one
Thermometer and two temperature sensors of high precision, the temperature of circulating cooling liquid in real-time monitoring.
The station 21 is the platform of the components such as mounting industrial computer, for operating control instrument.
The industrial computer 22 is the industrial computer with touch function, monitoring and manipulation for instrument operating condition.
The emergency stop switch 23 is the safety operation when significant trouble occurs in instrument.
The oil sample storage and switching device 31 are that there are three the stopcocks of the lubricating cup for being mounted on sustained height and its connection
Composition, oil sample selection when storage and test for oil sample.
The oil sample flow measuring and controlling system 32 is to detect liquid by sensor, to calculate oil sample in test process
In usage amount.
The oil sample spray site TT&C system 33 includes sensor, a detection nozzle for a detection engine phase position
The sensor of movement, the injection pressure that can control the electric control pump of injection time point and distributive value and be attached thereto are adjustable
Nozzle.
The pressure-detecting device 41 is the press sensor of a high temperature resistant Anti-pressure anti-fatigue, is mounted on engine cylinder
It covers, to detect pressure change when the indoor burning of burning.
The temperature-detecting device 42 is the temperature sensor of a high temperature resistant pressure resistance, is mounted on engine cylinder and covers,
To detect temperature change when the indoor burning of burning.
A kind of method for detecting fire resistant hydraulic fluid compression ignition performance of the utility model comprises the steps of:
Compression ratio is arranged in the state of 50:1 step 1, and motor drives engine operation 45min or longer time,
Reach the required test operation condition of engine；
Step 2 is connected reference oil (granted is approved) in the state of compression ratio 50:1, after continuous oil spout 15s
Oil-break 45s observes combustion position in this 60s；In case of combustion case, just taking reduces compression ratio (reduces by 2 lists every time
Position) method tested, until do not observe burning signal.If compression ratio is lower than 42:1, conclude that instrument is not inconsistent examination
Operating condition is tested, instrument need to be overhauled and be cleaned.It is the judgement of burning signal below:
A, every test for reducing by 2 unit compression ratios and being done, in the case where combustion position does not occur, it is necessary to do 3 companies
The circulation action of oil-break 45s observes combustion case after continuous oil spout 15s, has 1 time or more the discovery to have combustion in this 3 circulations
Signal is burnt, it is flammable for being considered as reference oil with this condition.
B, in oil spout, indoor temperature of burning or pressure change (increase), it is believed that have burning signal.
C, in the moment of end of injection, indoor temperature of burning or pressure change (increase), have been not considered as burning signal.
Step 3, in the state of compression ratio 50:1, connection sample is oily (unknown oil), oil-break 175s after continuous oil spout 5s,
Combustion position is observed in this 180s；In case of combustion case, the side for reducing compression ratio (reducing by 2 units every time) is just taken
Method is tested, until not observing burning signal.It is the judgement of burning signal below:
A, every test for reducing by 2 unit compression ratios and being done, in the case where combustion position does not occur, it is necessary to do 3 companies
The circulation action of oil-break 175s observes combustion case after continuous oil spout 5s, has 1 time or more the discovery to have combustion in this 3 circulations
Signal is burnt, being considered as sample oily (unknown oil) is flammable with this condition.
B, in oil spout, indoor temperature of burning or pressure change (increase), it is believed that have burning signal.
C, in the moment of end of injection, indoor temperature of burning or pressure change (increase), have been not considered as burning signal.
Step 4, log, (compression ratio of test report is that can be observed to printing test report
The lowest compression ratio of burning)
In conclusion a kind of system for detecting fire resistant hydraulic fluid (liquid) compression ignition performance provided by the utility model and side
Method tests different fire resistant hydraulic fluids (liquid) under the regulation operating condition of standard compression-ignition engine, and observes its feelings of burning in real time
Condition measures the accurate compression ignition performance indicator of sample by changing the compression ratio of engine.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (5)
1. it is a kind of detect fire resistant hydraulic fluid compression ignition performance system characterized by comprising pressing combustion type engine system (1) and
Instrument control system (2), oil sample feed system (3) and the compression ignition detection system (4) being attached thereto.
2. the system of detection fire resistant hydraulic fluid compression ignition performance as described in claim 1, which is characterized in that the compression-ignited hair
Motivation system (1) includes:
Compression ignition engine (11) and the starting motor (12) being attached thereto, variable compression ratio TT&C system (13), intake air temperature
TT&C system (14), external circulation cooling system (15), interior circulating cooling system (16) and working condition detection system (17).
3. the system of detection fire resistant hydraulic fluid compression ignition performance as described in claim 1, which is characterized in that the instrument behaviour
Control system (2) includes:
Operation bench (21) and the industrial computer (22) and emergency stop switch (23) being attached thereto.
4. the system of detection fire resistant hydraulic fluid compression ignition performance as described in claim 1, which is characterized in that the oil sample supply
System (3) includes:
Oil sample storage and switching device (31), oil sample flow measuring and controlling system (32) and oil sample spray site TT&C system (33).
5. the system of detection fire resistant hydraulic fluid compression ignition performance as described in claim 1, which is characterized in that the compression ignition detection
System (4) includes: pressure-detecting device (41) and temperature-detecting device (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012301.4U CN209327293U (en) | 2019-01-04 | 2019-01-04 | A kind of system detecting fire resistant hydraulic fluid compression ignition performance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920012301.4U CN209327293U (en) | 2019-01-04 | 2019-01-04 | A kind of system detecting fire resistant hydraulic fluid compression ignition performance |
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| Publication Number | Publication Date |
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| CN209327293U true CN209327293U (en) | 2019-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490465A (en) * | 2019-01-04 | 2019-03-19 | 叶明� | A kind of system and method detecting fire resistant hydraulic fluid compression ignition performance |
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2019
- 2019-01-04 CN CN201920012301.4U patent/CN209327293U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490465A (en) * | 2019-01-04 | 2019-03-19 | 叶明� | A kind of system and method detecting fire resistant hydraulic fluid compression ignition performance |
| CN109490465B (en) * | 2019-01-04 | 2024-03-12 | 叶明� | System and method for detecting compression ignition performance of flame-retardant hydraulic oil |
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