CN208578687U - Air compressor machine and its emission control - Google Patents
Air compressor machine and its emission control Download PDFInfo
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- CN208578687U CN208578687U CN201820987536.0U CN201820987536U CN208578687U CN 208578687 U CN208578687 U CN 208578687U CN 201820987536 U CN201820987536 U CN 201820987536U CN 208578687 U CN208578687 U CN 208578687U
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Abstract
The utility model discloses a kind of air compressor machine and its emission control, the latter includes that the inlet end of air compressor machine is connected to air filter, and the exhaust end of air compressor machine is connected to unloading valve；Unloading valve includes air inlet, first row port and second exhaust port, and air inlet is connected to the exhaust end of air compressor machine, and first row port is connected to by gas circuit component with gas tank, and second exhaust port is connected to the exhaust end of booster；Air inlet is connected to first row port by air inlet pipeline, and air inlet is connected to second exhaust port by gas exhaust piping, and pressure feedback lines are connected between air inlet pipeline and gas exhaust piping, and pressure feedback lines control gas exhaust piping opens or closes.Above structure makes the compressed air after air compressor machine off-load enter the exhaust end of booster, form closed cycle, realize the recycling of energy, the oil gas avoided in discharge gas pollutes surrounding enviroment, so that the capacity of booster improves, the energy consumption for reducing booster avoids the high situation of erroneous judgement air compressor machine damage oil consumption.
Description
Technical field
The utility model relates to automobile air compressor technical field more particularly to a kind of emission control of air compressor machine.This
Utility model further relates to a kind of air compressor machine including above-mentioned emission control.
Background technique
In vehicle braking system, air compressor machine enters unloading condition after gas tank makes gas, and the air inlet source of vehicle air compressor is big
Natural air is all used, off-load form is generally divided into two kinds of unloading type of air inlet unloading type and exhaust, and air inlet unloading type refers to
One pressure regulator valve is installed, pressure regulator valve one end is communicated with air accumulator, and the other end and setting are in air compressor cylinder cover in automobile brake gas circuit
On pressure loosening valve be connected, when air accumulator reach setting pressure after, pressure regulator valve conducting, make loosening pressure valve events, open air compressor air intake
Valve block communicates inlet chamber with top land clearance, achievees the purpose that off-load；Exhaust off-load be then air compressor machine and air accumulator it
Between be arranged a unloading valve, the function of unloading valve is that it can sense that the pressure of air accumulator is unloaded when its pressure reaches setting value
The bypass of lotus valve is opened, and communicates the exhaust outlet of air compressor machine with atmosphere, and the side communicated with air accumulator is due to check valve
It acts on, the compressed air in air accumulator will not be leaked because of the opening of unloading valve bypass, equally play the purpose of off-load.
But when off-load is exhausted in air compressor machine, because containing oil gas in exhaust, unloading port has greasy dirt attachment, past
It is mistaken for air compressor machine damage oil consumption height toward by user, meanwhile, because the gas of discharge has oil gas, surrounding enviroment are polluted, separately
Outside, the direct emission in unloading process of high pressure gas caused by air compressor machine causes energy waste, is unfavorable for energy-saving and emission-reduction.
Utility model content
Purpose of the utility model is to solve at least one above-mentioned problem, which is by following technology
What scheme was realized.
The utility model provides a kind of emission control of air compressor machine, including air compressor machine and unloading valve, the pneumatics
The inlet end of machine is connected to air filter, and the exhaust end of the air compressor machine is connected to the unloading valve；
The unloading valve includes air inlet, first row port and second exhaust port, the air inlet and the air compressor machine
Exhaust end connection, the first row port are connected to by gas circuit component with gas tank, the exhaust of the second exhaust port and booster
End connection；
The air inlet is connected to the first row port by air inlet pipeline, the air inlet and the second exhaust port
It is connected to by gas exhaust piping, pressure feedback lines is connected between the air inlet pipeline and the gas exhaust piping, the pressure is anti-
Feedback pipeline controls the gas exhaust piping and opens or closes.
Preferably, the gas exhaust piping includes interconnected first segment and second segment, the second segment and the pressure
Feedback pipe coaxial arrangement；
The setting of the connecting pin of the pressure feedback lines and the gas exhaust piping has the pressure valve of preset pressure value, described
Pressure valve includes spool and valve seat, and the valve seat is arranged inside the second segment, and one end of the spool is with moveable
Mode is arranged in the valve seat, and the other end of the spool is movably disposed in the pressure feedback lines.
Preferably, elastic component is provided in the valve seat, one end and the valve seat of the elastic component lean, the elastic component
One end of the other end and the spool lean, the elastic component makes the gas exhaust piping be in normally off.
Preferably, the first check valve is additionally provided in the gas exhaust piping, first check valve is arranged at intervals on described
The rear end of pressure valve, first check valve are connected from the pressure valve to the direction of the second exhaust port.
Preferably, the conducting pressure of first check valve is greater than the pressure of the exhaust end of the booster.
Preferably, second one-way valve is provided on the air inlet pipeline, the second one-way valve setting is anti-in the pressure
Present the front end of pipeline and the air inlet pipeline junction；
The second one-way valve is connected from the air inlet to the direction of the first row port.
Preferably, the gas circuit component includes sequentially connected wet tank, drying chamber and third check valve, the wet tank and institute
The connection of first row port is stated, the third check valve is connected to the gas tank.
Preferably, the exhaust end of the booster is connected to by intercooler with engine, the connection of the second exhaust port
Position is between the booster and the intercooler.
The utility model also provides a kind of air compressor machine, which includes the gas exhaust inspecting system of air compressor machine as described above
System.
The emission control of air compressor machine provided by the utility model, including air compressor machine and unloading valve, the air compressor machine
Inlet end be connected to air filter, the exhaust end of the air compressor machine is connected to the unloading valve；The unloading valve include air inlet,
First row port and second exhaust port, the air inlet are connected to the exhaust end of the air compressor machine, and the first row port passes through
Gas circuit component is connected to gas tank, and the second exhaust port is connected to the exhaust end of booster；The air inlet and the first row
Port is connected to by air inlet pipeline, and the air inlet is connected to the second exhaust port by gas exhaust piping, the air inlet pipeline
Pressure feedback lines are connected between the gas exhaust piping, the pressure feedback lines control the gas exhaust piping and open or close
It closes.In above structure, the inlet end of air compressor machine is connected to air filter, and unloading valve is connected to the exhaust end that air compressor machine is arranged in, wherein
There are two exhaust outlet, air of the first row port for gas tank to supply for unloading valve tool, and second exhaust port is used for the off-load of air compressor machine,
First row port is connected to air inlet by air inlet pipeline, and second exhaust port is connected to air inlet by gas exhaust piping, in air inlet
Setting pressure feedback lines are connected between pipeline and gas exhaust piping, when air compressor machine carries out air supplying operation to gas tank, air inlet pipeline
For open state, gas exhaust piping is in off state, and after the pressure in gas tank meets preset requirement, feedback pipe is by gas exhaust piping
It opens, the compressed air that air compressor machine generates at this time enters the exhaust end of booster by exhaust pipe, to realize air compressor machine
Off-load operation.
Compressed air based on above structure, on the basis of realizing air compressor machine off-load, after enabling to air compressor machine off-load
Into the exhaust end of booster, closed cycle is formed, effective recycling of energy after air compressor machine off-load is realized, avoids discharge gas
Oil gas in body pollutes surrounding enviroment, so that the capacity of booster improves, reduces the energy consumption of booster；Meanwhile
Avoid the high situation of erroneous judgement air compressor machine damage oil consumption.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural block diagram of the emission control of air compressor machine provided by the utility model；
Fig. 2 is the structural schematic diagram of unloading valve shown in Fig. 1.
Appended drawing reference
1 is air filter；2 be booster；3 be intercooler；4 be engine；5 be air compressor machine；
6 be unloading valve, and 61 be air inlet, and 62 be first row port, and 63 be second exhaust port, and 64 be air inlet pipeline, and 65 are
Gas exhaust piping, 66 be second one-way valve, and 67 be the first check valve, and 68 be pressure valve, and 69 be pressure feedback lines；
7 be wet tank；8 be drying chamber；9 be third check valve；10 be gas tank.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural block diagram of the emission control of air compressor machine provided by the utility model；
Fig. 2 is the structural schematic diagram of unloading valve shown in Fig. 1.
In a specific embodiment, the emission control of air compressor machine provided by the utility model, including pneumatics
The inlet end of machine 5 and unloading valve 6, the air compressor machine 5 is connected to air filter 1, the exhaust end and the unloading valve of the air compressor machine 5
6 connections；The unloading valve 6 includes air inlet 61, first row port 62 and second exhaust port 63, the air inlet 61 and the sky
The exhaust end of press 5 is connected to, and the first row port 62 is connected to by gas circuit component with gas tank 10, the second exhaust port 63 and
The exhaust end of booster 2 is connected to；The air inlet 61 is connected to the first row port 62 by air inlet pipeline 64, the air inlet
Mouth 61 is connected to the second exhaust port 63 by gas exhaust piping 65, is connected between the air inlet pipeline 64 and the gas exhaust piping 65
Pressure feedback lines 69 are connected to, the pressure feedback lines 69 control the gas exhaust piping 65 and open or close.In above structure,
The inlet end of air compressor machine 5 is connected to air filter 1, and the exhaust end of air compressor machine 5 is arranged in unloading valve 6, wherein unloading valve 6 has two
A exhaust outlet, air of the first row port 62 for gas tank 10 supply, off-load of the second exhaust port 63 for air compressor machine 5, and first
Exhaust outlet 62 is connected to air inlet 61 by air inlet pipeline 64, and second exhaust port 63 is connected with air inlet 61 by gas exhaust piping 65
It is logical, setting pressure feedback lines 69 are connected between air inlet pipeline 64 and gas exhaust piping 65, when air compressor machine 5 supplies gas tank 10
When gas operates, air inlet pipeline 64 is open state, and gas exhaust piping 65 is in off state, when the pressure in gas tank 10 meets default want
After asking, feedback pipe opens gas exhaust piping 65, and the compressed air that air compressor machine 5 generates at this time enters pressurization by exhaust pipe 65
The exhaust end of device 2, to realize the off-load operation of air compressor machine 5.
Based on above structure, on the basis of realizing 5 off-load of air compressor machine, the compression after enabling to 5 off-load of air compressor machine is empty
Gas enters the exhaust end of booster 2, forms closed cycle, realizes effective recycling of energy after 5 off-load of air compressor machine, the row of avoiding
The oil gas in gas pollutes surrounding enviroment out, so that the capacity of booster 2 improves, reduces the energy consumption of booster 2；
Meanwhile it avoiding erroneous judgement air compressor machine 5 and damaging the high situation of oil consumption.
It is further understood that, the gas exhaust piping 65 includes interconnected first segment and second segment, the second segment
It is coaxially disposed with the pressure feedback lines 69；The connecting pin of the pressure feedback lines 69 and the gas exhaust piping 65, which is arranged, to be had
There is the pressure valve 68 of preset pressure value, the pressure valve 68 includes spool and valve seat, and the valve seat is arranged in the second segment
Inside, one end of the spool are movably disposed in the valve seat, and the other end of the spool is with moveable
Mode is arranged in the pressure feedback lines 69.The connection position of pressure feedback lines and second segment is arranged in above-mentioned pressure valve 68
It sets, the valve seat of pressure valve 68 is co-axially located at the inside of second segment, and air inlet is provided on valve seat, and one end of spool is retractable to be set
It sets in the position of air inlet, the other end of spool is co-axially located in pressure feedback lines 69, when the pressure of pressure feedback lines 69
When power increases, the other end of spool is moved to the direction of valve seat, so that air inlet is opened, to realize leading for gas exhaust piping 65
It is logical.
It is to be appreciated that pressure valve 68 is in close state, when gas tank 10 when air compressor machine 5 supplies gas tank 10
After gas is full of, pressure rise in pressure feedback lines 69, compressed gas pushes the direction of spool phase valve seat mobile, and spool moves
Air inlet is opened after dynamic, and gas exhaust piping 65 is in the conductive state at this time, to realize the off-load operation of air compressor machine 5；When gas tank 10
When needing to carry out tonifying Qi, the pressure in pressure feedback lines 69 declines, and spool is mobile to the direction far from valve seat, and spool makes at this time
Air inlet bore closure is obtained, to realize the closing of gas exhaust piping 65.
It should be pointed out that offer exhaust passage on above-mentioned valve seat, the exhaust passage is towards pressure feedback lines 69
Port is retract port, is big end inside exhaust passage, exhaust passage towards the port of pressure feedback lines 69 be small end, spool
One end it is mobile be arranged in exhaust passage, spool towards the end face of retract port be tapered surface, when air compressor machine 5 to gas tank 10 into
When row gas supply, tapered surface is resisted against at retract port, so that gas exhaust piping 65 is closed, at the end of gas tank 10 supplies, pressure is anti-
The compressed gas presented in pipeline 69 pushes valve core movement, so that tapered surface is separated with retract port, gas exhaust piping 65 is to open at this time
Open state.
Further, elastic component, such as spring are provided in the valve seat, one end and the valve seat of the elastic component offset
It leans on, one end that the other end of the elastic component is arranged in the valve seat with the spool leans, and the elastic component makes institute
It states gas exhaust piping 65 and is in normally off.In above structure, elastic component is set between valve seat and spool, elastic component makes spool
With air inlet position in normally off.When supplying to gas tank 10, the feedback pressure in pressure feedback lines 69 cannot be driven
Spool overcomes the elastic deformation of elastic component, and air inlet is in close state at this time；After the gas in gas tank 10 is full of, pressure is anti-
The pressure that feedback pipeline 69 is fed back is promoted, and with the continuous raising of pressure, feedback pressure is acted on spool, and spool overcomes bullet
Property part pressure so that spool with respect to air inlet open, at this point, gas exhaust piping 65 open, to realize the off-load of air compressor machine 5.
It should be pointed out that when the feedback pressure force value in pressure feedback lines 69 is higher than the preset pressure of gas tank 10, elasticity
The generation flexible deformation of part, air inlet are opened, and wherein feedback pressure force value is demarcated according to specific applying working condition, and elastic component needs
It to be matched according to calibrated feedback pressure force value.
Further, the first check valve 67 is additionally provided in the gas exhaust piping 65, the interval of the first check valve 67 is set
It sets in the rear end of the pressure valve 68, first check valve 67 is from the pressure valve 68 to the direction of the second exhaust port 63
Conducting.Since gas exhaust piping 65 is connected to the exhaust end of booster 2, the air that the exhaust end of booster 2 is discharged is with one
The compressed air of constant-pressure realizes the one-way conduction of gas exhaust piping 65, effectively avoids booster by the way that the first check valve 67 is arranged
The gas of 2 exhaust ends enters in gas exhaust piping 65, to improve the unloading effect of air compressor machine 5.
Further, the conducting pressure of first check valve 67 is greater than the pressure of the exhaust end of the booster 2.First
The conducting pressure of check valve 67 is greater than the pressure of the exhaust end of booster 2, so as to effectively overcome the exhaust end pair of booster 2
The vapour lock that gas exhaust piping 65 generates so that the exhaust effect of gas exhaust piping 65 is guaranteed, and then guarantees the off-load effect of air compressor machine 5
Fruit and efficiency.
Further, second one-way valve 66 is provided on the air inlet pipeline 64, the second one-way valve 66 is arranged in institute
State the front end of pressure feedback lines 69 Yu 64 junction of air inlet pipeline；The second one-way valve 66 from the air inlet 61 to
The direction of the first row port 62 is connected.The air inlet pipe for making the rear end of second one-way valve 66 by the way that second one-way valve 66 is arranged
A closed space is formed between road 64 and pressure feedback management, the compressed air-driven pressure valve 68 in confined space carries out
The operation for opening gas exhaust piping 65, to improve the precision of control；Meanwhile setting second one-way valve 66 can effectively avoid gas
Gas backstreaming in tank 10 reduces the load of air compressor machine 5, to reduce the energy consumption of air compressor machine 5 to air compressor machine 5.
Specifically understand, the gas circuit component includes sequentially connected wet tank 7, drying chamber 8 and third check valve 9, institute
It states wet tank 7 to be connected to the first row port 62, the third check valve 9 is connected to the gas tank 10.Pass through above-mentioned gas circuit group
Part can be realized dedusting and drying in 5 intake process of air compressor machine, gas tank 10 enabled to obtain clean compressed air, from
And the generation for phenomena such as effectively avoiding the airway blockage occurred in use process, while gas is effectively prevent using third check valve 9
Compressed air reflux in tank 10, so that the load of air compressor machine 5 is reduced, so that the energy consumption of air compressor machine 5 is effectively reduced.
Specifically, the exhaust end of the booster 2 is connected to by intercooler 3 with engine 4, the second exhaust port 63
Communicating position is between the booster 2 and the intercooler 3.Second exhaust port 63 is arranged in intercooler 3 and booster 2
Between, the compressed air after 5 off-load of air compressor machine is effectively fed to the air inflow of booster 2, to increase increasing
The air inflow of depressor 2, meanwhile, oil gas that compressed air after 5 off-load of air compressor machine contains and miscellaneous can be effectively removed using intercooler 3
Matter etc., so that the stability and safety of the operation of engine 4 be effectively ensured.
In addition to the emission control of above-mentioned air compressor machine, the utility model also provides a kind of sky including above-mentioned control system
Press, refer to the prior art for other Each parts of the air compressor machine, and details are not described herein.
It should be understood that although multiple element, portion can be described using term first, second, third, etc. in the text
Part, region, layer and/or section still these component, assembly units, region, layer and/or are limited by these terms than Duan Buying.
These terms can only be used to distinguish a component, assembly unit, region, layer or section with another region, layer or section.Unless
Context is it is manifestly intended that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text
Sequence or order is not implied that.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model answers institute
It states and is subject to the protection scope in claims.
Claims (9)
1. a kind of emission control of air compressor machine, including air compressor machine and unloading valve, which is characterized in that the air inlet of the air compressor machine
End is connected to air filter, and the exhaust end of the air compressor machine is connected to the unloading valve；
The unloading valve includes air inlet, first row port and second exhaust port, the exhaust of the air inlet and the air compressor machine
End connection, the first row port are connected to by gas circuit component with gas tank, and the exhaust end of the second exhaust port and booster connects
It is logical；
The air inlet is connected to the first row port by air inlet pipeline, and the air inlet passes through with the second exhaust port
Gas exhaust piping connection, is connected with pressure feedback lines, the pressure feedback pipe between the air inlet pipeline and the gas exhaust piping
Road controls the gas exhaust piping and opens or closes.
2. the emission control of air compressor machine according to claim 1, which is characterized in that the gas exhaust piping includes mutual
The first segment and second segment of connection, the second segment and the pressure feedback lines are coaxially disposed；
The setting of the connecting pin of the pressure feedback lines and the gas exhaust piping has the pressure valve of preset pressure value, the pressure
Valve includes spool and valve seat, and the valve seat is arranged inside the second segment, and one end of the spool is in a movable manner
It is arranged in the valve seat, the other end of the spool is movably disposed in the pressure feedback lines.
3. the emission control of air compressor machine according to claim 2, which is characterized in that setting is flexible in the valve seat
Part, one end and the valve seat of the elastic component lean, and the other end of the elastic component and one end of the spool lean, described
Elastic component makes the gas exhaust piping be in normally off.
4. the emission control of air compressor machine according to claim 3, which is characterized in that also set up in the gas exhaust piping
There is the first check valve, first check valve is arranged at intervals on the rear end of the pressure valve, and first check valve is from the pressure
Power valve to the direction of the second exhaust port is connected.
5. the emission control of air compressor machine according to claim 4, which is characterized in that the conducting of first check valve
Pressure is greater than the pressure of the exhaust end of the booster.
6. the emission control of air compressor machine according to claim 5, which is characterized in that be provided on the air inlet pipeline
The front end of the pressure feedback lines Yu the air inlet pipeline junction is arranged in second one-way valve, the second one-way valve；
The second one-way valve is connected from the air inlet to the direction of the first row port.
7. the emission control of air compressor machine according to claim 1, which is characterized in that the gas circuit component includes successively
Wet tank, drying chamber and the third check valve of connection, the wet tank are connected to the first row port, the third check valve and institute
State gas tank connection.
8. the emission control of air compressor machine according to claim 1, which is characterized in that the exhaust end of the booster is logical
It crosses intercooler to be connected to engine, the communicating position of the second exhaust port is between the booster and the intercooler.
9. a kind of air compressor machine, which is characterized in that the gas exhaust inspecting including air compressor machine according to claim 1 to 8
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987536.0U CN208578687U (en) | 2018-06-25 | 2018-06-25 | Air compressor machine and its emission control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987536.0U CN208578687U (en) | 2018-06-25 | 2018-06-25 | Air compressor machine and its emission control |
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| Publication Number | Publication Date |
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| CN208578687U true CN208578687U (en) | 2019-03-05 |
Family
ID=65509444
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820987536.0U Active CN208578687U (en) | 2018-06-25 | 2018-06-25 | Air compressor machine and its emission control |
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| Country | Link |
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| CN (1) | CN208578687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958491A (en) * | 2021-11-17 | 2022-01-21 | 潍柴动力股份有限公司 | Air compressor inflation system and method |
-
2018
- 2018-06-25 CN CN201820987536.0U patent/CN208578687U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958491A (en) * | 2021-11-17 | 2022-01-21 | 潍柴动力股份有限公司 | Air compressor inflation system and method |
| CN113958491B (en) * | 2021-11-17 | 2024-05-17 | 潍柴动力股份有限公司 | Air compressor inflation system and method |
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