CN104340201B - It is a kind of to detect air compressor to the method for air dryer pipeline - Google Patents
It is a kind of to detect air compressor to the method for air dryer pipeline Download PDFInfo
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- CN104340201B CN104340201B CN201310346771.1A CN201310346771A CN104340201B CN 104340201 B CN104340201 B CN 104340201B CN 201310346771 A CN201310346771 A CN 201310346771A CN 104340201 B CN104340201 B CN 104340201B
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- air dryer
- pipeline
- air
- temperature
- air compressor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
Air compressor is detected to the detection method of air dryer pipeline the invention discloses a kind of, and methods described includes：Operating procedure:Start vehicle, make vehicle by actual operating mode or simulation actual operating mode operation；Detecting step：Detect the inlet temperature of air dryer；And determination step：Judge whether the equilibrium temperature and maximum temperature of the inlet temperature of air dryer meet sets requirement, if it is determined that the equilibrium temperature and maximum temperature of the inlet temperature of air dryer do not meet sets requirement, the pipeline is adjusted and detected again.The method of the present invention judges whether air compressor is qualified to air dryer pipeline by the temperature parameter of actually detected air dryer, in the case where meeting air dryer to working condition requirement, the inlet temperature of air dryer is recorded, the feasibility of pipeline is judged with data.So as to judge more accurately and reliably.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of detection air compressor to air dryer pipeline
Method.
Background technology
Traditional rear engine uses the motor bus of Pneumatic braking system, and compressed air comes from and started used in braking
The air compressor that machine is carried.After air compressor compresses air, compressed air is conveyed by the brake pipe of certain length
To air dryer.Air is in compression, and temperature also can be raised accordingly, and temperature can be reduced gradually when by brake pipe, simultaneously
Moisture content is produced due to condensation, air dryer drying process need to be passed through, Pneumatic braking system could be entered, it is ensured that brakes
In parts will not corrosion.
In order to normal work, air dryer there are certain requirements to the temperature of intake air.For example, being air-dried
Under stable state when the operating efficiency of device is less than 40%, the intake air equilibrium temperature of air dryer is not more than 65 DEG C, most
Height is no more than 80 DEG C.This is typically by the length of pipe between the air compressor for setting air dryer and engine to carry
Ensure with caliber.The length of pipe has certain relation with caliber, is under normal circumstances set to the length of pipe greatly
In 6 meters.
If the pipeline is undesirable, it can make it that the entering air temperature of air dryer is too high.On the one hand it can make
The gases at high pressure temperature into brakes must be used to be more than environment temperature, when carrying out heat exchange with external environment condition, braking system
Condensed water can be produced in system, makes the easy corrosion of the parts in brakes, the reliability of brakes is influenceed.On the other hand meeting
So that the exit pressure for air compressor that engine is carried is raised, outlet is obstructed, and overloads air compressor, easily occurs string oil event
Barrier.
Whether installation site and pipeline trend in the prior art, to air dryer disclosure satisfy that air dryer enters
The temperature requirement of mouthful air, is typically all the pipeline between the air compressor simply carried with air dryer and engine
It is design considerations that length, which is more than 6 meters,.But as it was previously stated, the determination methods are micro-judgment methods, lack theoretical foundation, and easily
Judge by accident.For example, may also occur going here and there oily failure in the case where length of pipe is more than 6 meters.And it is unclear in the case
Chu's failure is that circuit design is not up to standard, or other the reason for (for example air dryer is undesirable, or engine work
It is abnormal) caused by.So as to be difficult to determine failure responsibility, it is also difficult to targetedly determine maintenance and improved technical scheme.
Wish a kind of method for this to detect air compressor to air dryer pipeline.
The content of the invention
Air compressor is detected to the method for air dryer pipeline it is an object of the invention to provide a kind of, to sentence exactly
Whether the fixed pipeline meets the requirements.
Therefore, the present invention provides a kind of detection air compressor to the detection method of air dryer pipeline, methods described
Including：
Operating procedure:Start vehicle, make vehicle by actual operating mode or simulation actual operating mode operation；
Detecting step：Detect the inlet temperature of air dryer；And
Determination step：Judge whether the equilibrium temperature and maximum temperature of the inlet temperature of air dryer meet setting
It is required that, if it is decided that the equilibrium temperature and maximum temperature of the inlet temperature of air dryer do not meet sets requirement, to institute
Pipeline is stated to be adjusted and detect again, wherein, the pipeline includes the first braking rigid pipe being connected with air compressor；
The second braking rigid pipe being connected with the air dryer；And connect the first braking rigid pipe and second system
The air-brake coupling hose of dynamic rigid pipe, is adjusted to the pipeline including adjusting the first braking rigid pipe, the second braking rigidity
Trend, length and the caliber of pipe and the air-brake coupling hose.
Preferably, in the operating procedure, braking is timed to vehicle, and cause the work of the air dryer
Efficiency is within the scope of 35% to 40%.
Preferably, such as operating efficiency of air dryer is outside 35% to 40% scope, the frequency of adjustment timing braking
Rate so that the operating efficiency of air dryer is within the scope of 35% to 40%.
Preferably, circulation carries out the operating procedure, detecting step and determination step at least twice, is accorded with each judgement
In the case of closing sets requirement, finally judge that the pipeline meets sets requirement.
Preferably, the number of times of circulation is between 3 times to 5 times.
Preferably, the sets requirement is Celsius less than or equal to 80 for the maximum temperature of the inlet temperature of air dryer
Degree, and the equilibrium temperature of the inlet temperature of air dryer are less than or equal to 65 degrees Celsius, are taken the photograph in environment temperature less than 30
In the case of family name's degree, the difference of the equilibrium temperature and environment temperature is less than or equal to 35 degrees Celsius.
Preferably, the inlet temperature curve of air dryer is shown with display.
Preferably, the pipeline is the pipeline in air brake vehicle.
The method of the present invention judges that air compressor is dry to air by the temperature parameter of actually detected air dryer
Whether dry device pipeline is qualified, in the case where meeting air dryer to working condition requirement, records the entrance of air dryer
Temperature, the feasibility of pipeline is judged with data.So as to judge more accurately and reliably.
Brief description of the drawings
Fig. 1 is schematic diagram of the air compressor to air dryer pipeline.
Fig. 2 be it is according to an embodiment of the invention detection air compressor to air dryer pipeline method it is schematic
Flow chart.
Reference：
| 1 | Air compressor | 4 | Air dryer |
| 2 | Brake rigid pipe | 5 | Baroceptor |
| 3 | Air-brake coupling hose | 6 | Display |
Embodiment
To make the purpose, technical scheme and advantage of the invention implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to uses
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Embodiments of the invention are described in detail with reference to accompanying drawing for face.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to present invention protection
The limitation of scope.
Fig. 1 is schematic diagram of the air compressor to air dryer pipeline.For example, during the pipeline is air brake vehicle
Pipeline.The braking rigid pipe 2 that the pipeline of air compressor 1 to air dryer 4 includes being connected with air compressor 1 is done with air
Another braking rigid pipe 2 of the connection of dry device 4, and the air-brake coupling hose 3 that two braking rigid pipes 2 are connected.It is real one
Apply in example, braking rigid pipe 2 is steel pipe, but other rigid pipes such as copper pipe or stainless steel tube can also be used.The air-brake coupling hose 3
Preferably high-temperature resistant rubber pipe, but other flexible hoses can also be used, the bellows being such as made with all-metal.It is appreciated that
, the pipeline all can also be made up of rigid pipe, or can also include the rigid pipe of more multistage and by between rigid pipe
The flexible pipe separated.
In order to measure, baroceptor 5 is provided with the exit of air compressor 1 and temperature sensor (is not schemed
Show), wherein the temperature sensor is connected with display 6, song of the temperature that temperature sensor is measured relative to the time
Line is shown on the display 6.Baroceptor 5 is also equipped with the porch of air dryer 4 and temperature sensor (is not schemed
Show), wherein the temperature sensor and display 6 (display can be with previous display same display or
Another display) it is connected, the temperature that temperature sensor is measured is shown on the display 6 relative to the curve of time.It is right
The reading of temperature sensor can be one minute read once, can also higher or lower frequency be read out.
The detection method of detection air compressor according to an embodiment of the invention to air dryer pipeline includes following：
Operating procedure:Start vehicle, make vehicle by actual operating mode or simulation actual operating mode operation；Detecting step：Detection is empty
The inlet temperature of gas dryer；And determination step：Judge the equilibrium temperature and highest of the inlet temperature of air dryer
Whether temperature meets sets requirement.Advantageously, in the operating procedure, braking is timed to vehicle, and cause described
The operating efficiency of air dryer is within the scope of 35% to 40%.If the operating efficiency of air dryer is 35% to 40%
Scope outside, adjustment timing braking frequency so that the operating efficiency of air dryer is within the scope of 35% to 40%.
In order to more accurately be judged, circulation carries out the operating procedure, detecting step and determination step at least twice,
In the case where each judgement meets sets requirement, finally judge that the pipeline meets sets requirement.Preferably, the circulation
Number of times between 3 times to 5 times.
The sets requirement for air dryer the inlet temperature maximum temperature be less than or equal to 80 degrees Celsius, and
The equilibrium temperature of the inlet temperature of air dryer is less than or equal to 65 degrees Celsius, is less than 30 degrees Celsius of feelings in environment temperature
Under condition, the difference of the equilibrium temperature and environment temperature is less than or equal to 35 degrees Celsius.
Advantageously, if it is decided that the equilibrium temperature and maximum temperature of the inlet temperature of air dryer do not meet and set
Provisioning request, is adjusted to the pipeline and detects again.The pipeline is adjusted firm including adjusting first braking
Property pipe, second braking rigid pipe and the air-brake coupling hose trend, length and caliber.
The above method judges air compressor to air dryer by the temperature parameter of actually detected air dryer
Whether pipeline is qualified, in the case where meeting air dryer to working condition requirement, records the inlet temperature of air dryer,
The feasibility of pipeline is judged with data.So as to judge more accurately and reliably.
The above method can be carried out in vehicle advanced development.Vehicle is set to be run by actual operating mode, detection air compression
The inlet temperature of machine outlet temperature and air dryer is stable according to entrance of the air dryer requirement under regulation service condition
Whether the requirement of temperature and maximum temperature, judge that air dryer is installed and meet the requirements, such as unqualified, can be by adjusting each zero
The type selecting and installation site of part, install until air dryer and meet the requirements.It is applied to pneumatic brake vehicle.
Fig. 2 be it is according to an embodiment of the invention detection air compressor to air dryer pipeline method it is schematic
Flow chart.
First, start vehicle, vehicle is brought into operation；
Secondly, according to certain frequency (for example, per minute once), braking (whole timing braking is timed to vehicle
Time cycle be, for example, half an hour or 1 hour) so that the operating efficiency of air dryer be in setting range in：For example
Be in operating efficiency less than 40% and close in the range of 40%, for example, in the range of 35% to 40%, or 38% to
In the range of 40%.If the operating efficiency of air dryer is not in setting range, it is allowed to be in by adjusting braking frequency
In setting range.
It is then detected that whether the equilibrium temperature and maximum temperature of air dryer inlet meet the requirements.The equilibrium temperature
Temperature when being air dryer the temperature of entrance tends towards stability during timing is braked, such as temperature change is small in 5 minutes
Temperature when 5%.Maximum temperature refers to the maximum temperature during timing is braked.Requirement to equilibrium temperature and maximum temperature
For example, the maximum temperature of the inlet temperature of air dryer is less than or equal to 80 degrees Celsius, and air dryer is described
The equilibrium temperature of inlet temperature is less than or equal to 65 degrees Celsius, in the case where environment temperature is less than 30 degrees Celsius, the stable temperature
Degree and the difference of environment temperature are less than or equal to 35 degrees Celsius.It is pointed out that be shown as in flow charts " record (or read simultaneously
Record) air dryer inlet temperature " it is to be tested after the operating efficiency of air dryer is in setting range, it contains
Justice refers to carry out thermograph within the time cycle of whole timing braking, the frequency for reading temperature be, for example, one minute once.
Finally, if equilibrium temperature and maximum temperature meet the requirements, judge that pipeline meets the requirements, otherwise judge pipeline not
Meet the requirements.
Another embodiment of the inventive method is described below.
The gas outlet of air compressor 1 and the air for first accessing baroceptor 5 and display 6 in real vehicle brakes
The air inlet of drier 4.Start engine, to the 75% of rated engine speed, start timing, when recording parking light extinguishing respectively
Between and the unloading time of air compressor 1.Environment temperature and the gas outlet of air compressor 1 and the air inlet of air dryer 4 are recorded simultaneously
The temperature change of mouth, reads 1 time for generally 1 minute.Baroceptor 5 and display 6 connect into Measurement System of Air Pressure, air pressure transmission
Temperature signal is converted to electric signal by sensor 5.
Vehicle start, timing starts t0, is braked by the conventional simulation actual condition operation of vehicle and timing, makes brakes gas
Drops, start working to air dryer 4, record time t1, continue to run with, to the off-load of air dryer 4, record the time
t2。
Analysis air dryer 4 was started working to the time (t2-t1) of off-load, and vehicle operation starts to air dryer 4
Start the time (t2-t0) of off-load work, ratio (t2-t1)/(t2-t0) of the two should be less than 40%, not be inconsistent such as, then adjust fixed
When braking frequency, the ratio of two periods of subsequent cycle is less than and close to 40%.The time used in each circulation should be kept
Unanimously.Record the temperature change of the gas outlet of air compressor 1 and the air inlet of air dryer 4 respectively from display 6 simultaneously, typically
Read 1 time for 1 minute.
By the adjustment of preceding several circulations, when the operating efficiency of air dryer 4 is less than 40% in each circulation, it is air-dried
(generally stable state of the operating efficiency less than 40% is not more than 65 DEG C, highest for limit value requirement of the device 4 to the temperature of intake air
No more than 80 DEG C) when meeting the technical requirements of air dryer 4, repeating 3-4 circulation (depending on vehicle operating environment difference, can fit
When increase and decrease period).Experiment can terminate.
If not up to standard, the installation site of valve class can be changed at any time, or change air hose trend, or change air hose is straight
Footpath.Test repeatedly, until the temperature of the air inlet of air dryer 4 meets the technical requirements of air dryer 4.
The contrast of the temperature change of the gas outlet of air compressor 1 and the air inlet of air dryer 4 is recorded by the course of work,
Under comparable any operative state, the cooling-down effect of air treatment system is used for analysis air treatment system performance.
The method of the present invention judges that air compressor is dry to air by the temperature parameter of actually detected air dryer
Whether dry device pipeline is qualified, in the case where meeting air dryer to working condition requirement, records the entrance of air dryer
Temperature, the feasibility of pipeline is judged with data.So as to judge more accurately and reliably.Generally speaking, method of the invention can be with
Improve the reliability of the circuit design and the security of vehicle.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (8)
1. a kind of detect air compressor to the detection method of air dryer pipeline, it is characterised in that including：
Operating procedure:Start vehicle, make vehicle by actual operating mode or simulation actual operating mode operation；
Detecting step：Detect the inlet temperature of air dryer；And
Determination step：Judge whether the equilibrium temperature and maximum temperature of the inlet temperature of air dryer meet setting and want
Ask, if it is decided that the equilibrium temperature and maximum temperature of the inlet temperature of air dryer do not meet sets requirement, to described
Pipeline is adjusted and detected again,
Wherein, the pipeline includes：The first braking rigid pipe being connected with air compressor；It is connected with the air dryer
The the second braking rigid pipe connect；And the air-brake coupling hose of the connection first braking rigid pipe and the second braking rigid pipe,
The pipeline is adjusted and walked including adjusting the first braking rigid pipe, the second braking rigid pipe and the air-brake coupling hose
To, length and caliber.
2. detect air compressor to the detection method of air dryer pipeline as claimed in claim 1, it is characterised in that
In the operating procedure, braking is timed to vehicle, and cause the operating efficiency of the air dryer 35% to 40%
Within the scope of.
3. detect air compressor to the detection method of air dryer pipeline as claimed in claim 2, it is characterised in that such as
The operating efficiency of air dryer is outside 35% to 40% scope, the frequency of adjustment timing braking so that air dryer
Operating efficiency within the scope of 35% to 40%.
4. detect air compressor to the detection method of air dryer pipeline as claimed in claim 2, it is characterised in that to follow
Ring carries out the operating procedure, detecting step and determination step at least twice, meets the situation of sets requirement in each judgement
Under, finally judge that the pipeline meets sets requirement.
5. detect air compressor to the detection method of air dryer pipeline as claimed in claim 4, it is characterised in that to follow
The number of times of ring is between 3 times to 5 times.
6. detect air compressor to the detection method of air dryer pipeline as claimed in claim 1, it is characterised in that institute
The maximum temperature for stating the inlet temperature that sets requirement is air dryer is less than or equal to 80 degrees Celsius, and air dryer
The inlet temperature equilibrium temperature be less than or equal to 65 degrees Celsius, environment temperature be less than 30 degrees Celsius in the case of, it is described
The difference of equilibrium temperature and environment temperature is less than or equal to 35 degrees Celsius.
7. detect air compressor to the detection method of air dryer pipeline as claimed in claim 1, it is characterised in that to use
Display shows the inlet temperature curve of air dryer.
8. detect air compressor to the detection method of air dryer pipeline as claimed in claim 1, it is characterised in that institute
It is the pipeline in air brake vehicle to state pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310346771.1A CN104340201B (en) | 2013-08-09 | 2013-08-09 | It is a kind of to detect air compressor to the method for air dryer pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310346771.1A CN104340201B (en) | 2013-08-09 | 2013-08-09 | It is a kind of to detect air compressor to the method for air dryer pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104340201A CN104340201A (en) | 2015-02-11 |
| CN104340201B true CN104340201B (en) | 2017-08-04 |
Family
ID=52496868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310346771.1A Active CN104340201B (en) | 2013-08-09 | 2013-08-09 | It is a kind of to detect air compressor to the method for air dryer pipeline |
Country Status (1)
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| CN (1) | CN104340201B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19627403A1 (en) * | 1996-07-06 | 1998-01-08 | Wabco Gmbh | Airbrake system compressed air equipment for vehicle |
| DE102007046462A1 (en) * | 2007-09-28 | 2009-04-02 | Daimler Ag | Brake system and electronic air treatment unit for air brake systems with integrated timer and temperature sensor |
| DE102008031747A1 (en) * | 2008-07-04 | 2010-01-14 | Wabco Gmbh | Conditioned air providing device for use in pneumatic operated braking system of e.g. commercial vehicle, has processing element designed as catalyst, and processing air, and conveyor sucking air and conveying air to processing element |
| CN101587021B (en) * | 2009-06-15 | 2010-12-29 | 浙江万安科技股份有限公司 | Device and method for detecting the performance of the dryer for vehicle |
| CN202212095U (en) * | 2011-08-06 | 2012-05-09 | 中铁三局集团有限公司 | Temperature control device for air drier of electric locomotive |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009154613A (en) * | 2007-12-25 | 2009-07-16 | Mitsubishi Fuso Truck & Bus Corp | Compressed air supply device of vehicle |
-
2013
- 2013-08-09 CN CN201310346771.1A patent/CN104340201B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19627403A1 (en) * | 1996-07-06 | 1998-01-08 | Wabco Gmbh | Airbrake system compressed air equipment for vehicle |
| DE102007046462A1 (en) * | 2007-09-28 | 2009-04-02 | Daimler Ag | Brake system and electronic air treatment unit for air brake systems with integrated timer and temperature sensor |
| DE102008031747A1 (en) * | 2008-07-04 | 2010-01-14 | Wabco Gmbh | Conditioned air providing device for use in pneumatic operated braking system of e.g. commercial vehicle, has processing element designed as catalyst, and processing air, and conveyor sucking air and conveying air to processing element |
| CN101587021B (en) * | 2009-06-15 | 2010-12-29 | 浙江万安科技股份有限公司 | Device and method for detecting the performance of the dryer for vehicle |
| CN202212095U (en) * | 2011-08-06 | 2012-05-09 | 中铁三局集团有限公司 | Temperature control device for air drier of electric locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104340201A (en) | 2015-02-11 |
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Effective date of registration: 20220916 Address after: 102206 No. 15, Shayang Road, Shahe Town, Changping District, Beijing Patentee after: Beijing Foton Ouhui New Energy Vehicle Co.,Ltd. Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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