CN205168536U - Air compressor machine of firm output pressure - Google Patents

Air compressor machine of firm output pressure Download PDF

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Publication number
CN205168536U
CN205168536U CN201520813151.9U CN201520813151U CN205168536U CN 205168536 U CN205168536 U CN 205168536U CN 201520813151 U CN201520813151 U CN 201520813151U CN 205168536 U CN205168536 U CN 205168536U
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China
Prior art keywords
air compressor
brake
motor
pipe
connects
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Expired - Fee Related
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CN201520813151.9U
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Chinese (zh)
Inventor
马晶
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University of Jinan
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University of Jinan
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Priority to CN201520813151.9U priority Critical patent/CN205168536U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

Air compressor machine of firm output pressure relates to air compressor machine technical field. Air compressor machine of firm output pressure includes: air cleaner, intake pipe, air compressor motor, motor seat, air compressor machine organism, well accuse, output tube, pressure sensor, motor cable, sensor cable, the output tube contains: output tube inner wall, output tube inner chamber, its characterized in that: motor seat connects air compressor motor, and air compressor motor connects the air compressor machine organism, and the intake pipe is connected to the air compressor machine organism, and the output tube is connected to the air compressor machine organism, be equipped with pressure sensor on the output tube inner wall, air compressor motor is last to be equipped with well accuse, and pressure sensor connects the sensor cable, controls among the sensor cable junction, and the motor cable is connected in well accuse, output tube and intake pipe are smooth nonrust steel pipe.

Description

The Air compressor of stable output pressure
Technical field
The Air compressor of stable output pressure, relates to Air compressor technical field.
Background technology
China railways network spreads all over the country, and railway transport of passengers is main stream traffic instrument.
China railways run in 28 days 4 April in 2008 time 41 points, T195 the passenger train that Qingdao is left in descending Beijing moves between Jiao Ji Railway Line Wang Cun to Zhou village and derails, and rushes at outside uplink roadbed.Just when now, 5034 passenger trains brakes in normal Yantai to the Xuzhou run are too late, final clashes into the speed of 70 kilometers per hour and derailing vehicle, and locomotive and 1-5 save compartment derailing.Jiaozhou-Jinan railway train colliding accident has caused 72 people dead, the serious consequence that 416 people are injured.
Therefore, train braking response time is short, and the brake system response time of rail vehicle is the guarantee of safe driving.But the rail vehicle of prior art, because the time of again filling wind after braking is generally 3-5 minute, if ton train employs emergency braking, then air-filled time even can more than 10 minutes.
Train brake is exactly the motion preventing train artificially, comprises and makes it slow down, and does not accelerate or out of service, " brake " that be namely commonly called as.The train braked or locomotive are removed or weakened its brake action, is then called " alleviation ", " declutching " of being namely commonly called as.The equipment set installed ON TRAINS for apply brake and alleviation, is generically and collectively referred to as train " brake ".
When the feature of self acting air damper is brake pipe's air draft (decompression), brake cylinder fills wind (supercharging), alleviates.Action when distributing valve/control cock experiences the pressure drop of brake pipe during brake pipe's air draft, be communicated with brake cylinder by auxiliary reservoir, the pressurized air in auxiliary reservoir is filled with brake cylinder, thus promotes foundation brake rigging and produce braking force.Fill wind process and be divided into two stages, action when distributing valve/control cock experiences the pressure increase of brake pipe in first stage, brake cylinder is communicated to air thus wind in emptying brake cylinder produces remission effect; Subordinate phase, is communicated to air by brake cylinder on the one hand when distributing valve/control cock action, on the other hand brake pipe is communicated to auxiliary reservoir and application reservoir, utilizes the pressurized air in brake pipe to fill wind to these two reservoirs.Advantage is, when train generation separation accident, when brake hose is pulled off, brake pipe's blast sharply declines, and distributing valve/control cock piston moves to retarder location automatically and promptly, therefore train can be braked rapidly until stop automatically.The safety of train operation can be improved, when train accidental separation, can automatic train stop, avoid causing more serious consequence.Therefore, extensively adopt in the railway system of China and world's most countries.
But, the deficiency of this brake of prior art is: when train normally runs brake pipe fill wind or air draft by locomotive control, when brake pipe fills wind, pressurized air can flow to application reservoir and the auxiliary reservoir of this vehicle via the distributing valve/control cock of each vehicle.Because the brake pipe of through full train has certain length, therefore then first said process can occur on vehicle thereafter from the upper generation of locomotive rear portion first car in turn, until last vehicle of train, and all there is certain volume due to the application reservoir of each vehicle and auxiliary reservoir, full train larger with air quantity.On vehicle, all wind regimes all come from locomotive simultaneously.Therefore, when this brake is applied to the longer train of marshalling, self-retention supervisor only to rise when starting to fill wind when being full of to the application reservoir of each car and auxiliary reservoir, the longer time can be needed, the time of again filling wind after usual braking is generally 3-5 minute, if employ emergency braking for the longer ton train of marshalling, then air-filled time even can more than 10 minutes again.Within this time period, if the emergency situation of occurrence injury traffic safety again, when needing braking, this brake normally cannot play braking effect, not have braking force even completely.
The locomotive engine that namely locomotive is commonly called as.
The compartment that namely vehicle is commonly called as.
The effect of foundation brake rigging is by the transmission of power of brake cylinder generation and is assigned on each wheel.
Application reservoir is that distributing valve or each action of control cock all can consume the pressurized air in application reservoir for distributing valve or control cock action provide the wind regime of power.
Electro-pneumatic brake is the abbreviation of electronically controlled pneumatic brake machine, the basis of air damper installs the electric controling parts such as electromagnetic valve additional and is formed.Its feature is that the maneuvering and control of brake action uses " automatically controlled ", but brake action prime power or pressurized air.And when brake automatically controlled malfunctioning for some reason, it is practicable " gas control " (atmospheric pressure control) still, becomes self acting air damper temporarily.At train speed very high or marshalling very long, when air damper is difficult to meet the demands, adopt electro-pneumatic brake greatly can improve the conformability of the braking of train front and rear part and mitigation, significantly alleviate Lognitudinal Impact of Trains, and shortening stopping distance, many high speed trains all have employed electro-pneumatic brake in the world.But because when electro-pneumatic brake fills wind, each vehicle is only controlled by electric signal, the wind regime that it fills needs in wind process still will be provided by locomotive.Even if the auxiliary reservoir of each vehicle and application reservoir can be made under the control of electric signal almost to start to fill wind simultaneously, but it does not always reduce with air quantity, and air-filled time still cannot obtain actv. to be shortened.
As can be seen here, no matter self acting air damper or electro-pneumatic brake after carrying out once alleviating, because the pressure in auxiliary reservoir fails to return to standard value in short time, need to provide enough pressurized airs to brake cylinder during braking, to such an extent as to brake cannot produce enough braking forces, does not have braking effect even completely.
Summary of the invention
On 4.28 accident same day, the uplink and downlink speed limit in incident location was 80km/h, and T195 time descending train rushes speed limit derailing because of misoperation by mistake, and the vehicle accumbency of derailing, on adjacent uplink, now there is no larger injures and deaths.But at this moment No. 5034 trains of up direction are owing to just entering the speed limit section of 80km/h, during the 80km/h that this train is specified to speed limit section by its standard running velocity 120km/h speed governing, used and once braked, to such an extent as to when driver finds the derailing vehicle of on uplink T195 time of accumbency, although take emergency braking measure in time, but once brake owing to just using, the auxiliary reservoir compressed air of each vehicle not yet reaches standard pressure cannot provide sufficient pressurized air to cause braking unable for brake cylinder, cause 5034 Train Stoppings not as good as the derailing vehicle knocking T195 time.Just result in 72 people dead, the tragedy that 416 people are injured just because of this Secondary Shocks.
To trace it to its cause not human accident completely, but because of the deficiencies in the prior art---" air-filled time again after braking is long " result in the second accident occurred in succession.
For overcoming prior art, then it is slow to fill wind speed degree, and the object of the application is for increase is filled airspeed, shortened air-filled time again.The application adopts following technical scheme for this reason:
One, attached pneumatics fills the rapid relieving apparatus of car brakeing of wind
1, the rapid relieving apparatus of car brakeing that attached pneumatics fills wind comprises: the Air compressor 90 of locomotive car body 1, fuel tank 2, total reservoir 3, air compressor of locomotive 4, locomotive floor 5, angle cock 6, brake hose 7, resistor box vent window 8, electric connector 9, electric jumper lead 10, emergency valve 11, stable output pressure, brake pipe 13, bogie truck 14, foundation brake rigging 15, carbody 16, application reservoir 17, cut out cock 18, distributing valve or control cock 19, auxiliary reservoir 20, brake cylinder 21, brake branch pipe 22, car bottom girder 23
Emergency valve 11 comprises: emergency braking pipe 11-1, emergency exhaust mouth 11-2,
The Air compressor 90 of stable output pressure comprises: airfilter 91, air inlet pipe 92, air compressor motor 93, support of motor 94, Air compressor body 95,
Brake pipe 13 comprises: Air compressor arm 13-1,
Application reservoir 17 comprises: effect pipe 17-1,
Auxiliary reservoir 20 comprises: secondary airduct 20-1,
Brake cylinder 21 comprises: braking earthen pipe 21-1,
It is characterized in that:
Locomotive floor 5 is in locomotive car body 1, and air compressor of locomotive 4 is on locomotive floor 5;
Two air compressor of locomotives 4 are in parallel, and air compressor of locomotive 4 connects total reservoir 3; (pressure that the pressurized air of total reservoir 3 is adjusted to driver's needs via a series of operating control delivers to brake pipe 13,) total reservoir 3 connects serial operating control, (serial operating control is prior art, comprise blast main, automatic brake valve, equalizing reservoir, in equal connecting lines such as pipe, relay valve, because be prior art, all do not draw in figure), serial operating control connects brake pipe 13 (the through permutation car of brake pipe 13);
Brake pipe 13 is connected by brake hose 7 in each joint vehicle junction;
Total reservoir 3 is below locomotive car body 1 end;
Brake pipe 13, application reservoir 17, electric empty distributing valve 19, auxiliary reservoir 20, brake cylinder 21 are all below carbody 16 end;
Brake cylinder 21 connects foundation brake rigging 15;
Brake pipe 13 connects distributing valve or control cock 19 by brake branch pipe 22, brake branch pipe 22 is equipped with cut out cock 18;
Distributing valve or control cock 19 are by secondary airduct 20-1 auxiliary connection reservoir 20;
The Air compressor 90 of stable output pressure is in each vehicle of train, and the Air compressor 90 of stable output pressure connects Air compressor arm 13-1, and Air compressor arm 13-1 connects brake pipe 13; (fill wind rapidly can to brake pipe 13 by the Air compressor arm 13-1 of the Air compressor 90 of stable output pressure and the Air compressor 90 of stable connection delivery pressure, thus reach to increase fill airspeed, shorten again the object of air-filled time);
Distributing valve or control cock 19 connect brake cylinder 21 by braking earthen pipe 21-1;
Application reservoir 17 connects distributing valve or control cock 19 by effect pipe 17-1;
Air compressor body 95 connects air compressor motor 93, and air compressor motor has support of motor 12-4 93 times;
Electric connector 9 at the two ends of locomotive or vehicle, (providing electric power to each vehicle for locomotive)
Electric jumper lead 10 connects the electric connector 9 of locomotive and vehicle or adjacent two vehicles.
2, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: there is angle cock 6 brake pipe 13 and brake hose 7 junction.
3, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: the Air compressor 90 of described stable output pressure is reciprocating type compressor.(feature of reciprocating compressor is strong adaptability, and its discharge pressure is widest in area, all applicable to shoulder pressure from low pressure.Owing to filling wind without the need to stable filling wind to auxiliary reservoir 20, pulsation can be selected to fill wind.)
4, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: air inlet pipe 92 place of the Air compressor 90 of described stable output pressure is connected with airfilter 91.
5, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: brake pipe 13 connects emergency valve 11 by emergency braking pipe 11-1, emergency valve 11 has emergency exhaust mouth 11-2.
6, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: described brake hose 7 is silicon rubber hose.
7, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: described brake pipe 13 is smooth stainless steel tube.
8, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: described Air compressor arm 13-1 is smooth stainless steel tube.
Two, the Air compressor of stable output pressure
1, the Air compressor of stable output pressure comprises: airfilter 91, air inlet pipe 92, air compressor motor 93, support of motor 94, Air compressor body 95, middle control 96, delivery pipe 97, pressure sensor 98, motor cable 99, sensor cable 100 (see accompanying drawing 7)
Delivery pipe 97 comprises: delivery pipe inwall 97-1, delivery pipe inner chamber 97-2,
It is characterized in that:
Support of motor 94 connects air compressor motor 93, and air compressor motor 93 connects Air compressor body 95, and air inlet pipe 92 connects airfilter 91, and Air compressor body 95 connects air inlet pipe 92, and Air compressor body 95 connects delivery pipe 97;
Delivery pipe inwall 97-1 is equipped with pressure sensor 98, air compressor motor 93 is equipped with middle control 96, pressure sensor 98 connecting sensor cable 100, control 96 during sensor cable 100 connects, middle control 96 connects motor cable 99; (when delivery pipe 97 pressure raises, Air compressor is started working, and fills the level pressure of wind to brake pipe 13);
The Air compressor of 2, described stable output pressure, is characterized in that: delivery pipe 97 is smooth stainless steel tube.
The Air compressor of 3, described stable output pressure, is characterized in that: air inlet pipe 92 is smooth stainless steel tube.
Beneficial effect
One, attached pneumatics fills the beneficial effect of the rapid relieving apparatus of car brakeing of wind
1, attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, the Air compressor 90 of stable output pressure is in the often joint compartment of train, the Air compressor 90 of stable output pressure connects Air compressor arm 13-1, fill wind rapidly can to auxiliary reservoir 20, response time, by the 3-5 minute of prior art, shortens to 10-20 second.(the release of brake time synopsis see with prior art)
The attached pneumatics of the application fills the rapid relieving apparatus of car brakeing of wind and the release of brake time synopsis of prior art
2, attached pneumatics fills the Air compressor 90 of the rapid relieving apparatus stable output pressure of car brakeing of wind in the often joint compartment of train, the Air compressor 90 of stable output pressure connects Air compressor arm 13-1, if when the car that slips after alleviating is inclined to, braking again can be taked at short notice, prevent the unexpected car that slips.
3, can ensure when air compressor of locomotive hang-up that train has sufficient wind regime, avoid all consequences because pressurized air deficiency produces, as brake failure, air bellow lost efficacy, the use inconvenience of toilet waste collector or stopping sliding door.
4, described brake pipe 13 and Air compressor arm 13-1 are smooth stainless steel tube, can reducing friction resistance, shorten air-filled time further.
Two, the beneficial effect of the Air compressor of stable output pressure
1, can stable output pressure, fill the level pressure of wind to brake pipe 13.
2, delivery pipe 97 is smooth stainless steel tube, air inlet pipe 92 is smooth stainless steel tube.Can reducing friction resistance, shorten air-filled time further.
Third edition chapter 1 Fig. 1-2 8 is published see " Principles of Chemical Engineering " Chemical Industry Press
From Fig. 1-2 8, the relation of relative roughness and friction coefficient and Reynolds number, along with the increase of relative roughness, friction coefficient is monotonically increasing, and friction coefficient increases and means that friction drag is large, thus rough pipe than smooth pipe to fill wind slow.
Accompanying drawing explanation
Fig. 1: attached pneumatics fills the rapid relieving apparatus front view of car brakeing of wind
Fig. 2: attached pneumatics fills the rapid relieving apparatus schematic diagram of car brakeing of wind
Fig. 3: I partial enlarged drawing
Fig. 4: II partial enlarged drawing
Fig. 5: III partial enlarged drawing
Fig. 6: the Air compressor sectional front view of stable output pressure
Fig. 7: the Air compressor schematic diagram of stable output pressure
Fig. 8: IV partial enlarged drawing
In figure: 1 locomotive car body, 2 fuel tanks, 3 total reservoirs, 4 air compressor of locomotives, 5 locomotive floors, 6 angle cocks, 7 brake hoses, 8 resistor box vent windows, 9 electric connectors, 10 electric jumper leads, 11 emergency valves, 13 brake pipes, 14 bogie trucks, 15 foundation brake riggings, 16 carbodies, 17 application reservoirs, 18 cut out cocks, 19 distributing valves or control cock, 20 auxiliary reservoirs, 21 brake cylinders, 22 brake branch pipes, 23 car bottom girders, 11-1 emergency braking pipe, 11-2 emergency exhaust mouth, 13-1 Air compressor arm, 17-1 effect pipe, the secondary airduct of 20-1,21-1 brake earthen pipe
Control in the Air compressor of 90 stable output pressures, 91 airfilters, 92 air inlet pipes, 93 air compressor motors, 94 support of motors, 95 Air compressor bodies, 96,97 delivery pipes, 98 pressure sensors, 99 motor cables, 100 sensor cables,
97-1 delivery pipe inwall, 97-2 delivery pipe inner chamber,
Detailed description of the invention
Below in conjunction with drawings and Examples, the application is described further.
Embodiment 1
1, the rapid relieving apparatus of car brakeing that attached pneumatics fills wind comprises: the Air compressor 90 of locomotive car body 1, fuel tank 2, total reservoir 3, air compressor of locomotive 4, locomotive floor 5, angle cock 6, brake hose 7, resistor box vent window 8, electric connector 9, electric jumper lead 10, emergency valve 11, stable output pressure, brake pipe 13, bogie truck 14, foundation brake rigging 15, carbody 16, application reservoir 17, cut out cock 18, distributing valve or control cock 19, auxiliary reservoir 20, brake cylinder 21, brake branch pipe 22, car bottom girder 23
Emergency valve 11 comprises: emergency braking pipe 11-1, emergency exhaust mouth 11-2,
The Air compressor 90 of stable output pressure comprises: airfilter 91, air inlet pipe 92, air compressor motor 93, support of motor 94, Air compressor body 95,
Brake pipe 13 comprises: Air compressor arm 13-1,
Application reservoir 17 comprises: effect pipe 17-1,
Auxiliary reservoir 20 comprises: secondary airduct 20-1,
Brake cylinder 21 comprises: braking earthen pipe 21-1,
It is characterized in that:
Locomotive floor 5 is in locomotive car body 1, and air compressor of locomotive 4 is on locomotive floor 5;
Two air compressor of locomotives 4 are in parallel, and air compressor of locomotive 4 connects total reservoir 3; (pressure that the pressurized air of total reservoir 3 is adjusted to driver's needs via a series of operating control delivers to brake pipe 13,) total reservoir 3 connects serial operating control, (serial operating control is prior art, comprise blast main, automatic brake valve, equalizing reservoir, in equal connecting lines such as pipe, relay valve, because be prior art, all do not draw in figure), serial operating control connects brake pipe 13 (the through permutation car of brake pipe 13);
Brake pipe 13 is connected by brake hose 7 in each joint vehicle junction;
Total reservoir 3 is below locomotive car body 1 end;
Brake pipe 13, application reservoir 17, electric empty distributing valve 19, auxiliary reservoir 20, brake cylinder 21 are all below carbody 16 end;
Brake cylinder 21 connects foundation brake rigging 15;
Brake pipe 13 connects distributing valve or control cock 19 by brake branch pipe 22, brake branch pipe 22 is equipped with cut out cock 18;
Distributing valve or control cock 19 are by secondary airduct 20-1 auxiliary connection reservoir 20;
The Air compressor 90 of stable output pressure is in each vehicle of train, and the Air compressor 90 of stable output pressure connects Air compressor arm 13-1, and Air compressor arm 13-1 connects brake pipe 13; (fill wind rapidly can to brake pipe 13 by the Air compressor arm 13-1 of the Air compressor 90 of stable output pressure and the Air compressor 90 of stable connection delivery pressure, thus reach to increase fill airspeed, shorten again the object of air-filled time);
Distributing valve or control cock 19 connect brake cylinder 21 by braking earthen pipe 21-1;
Application reservoir 17 connects distributing valve or control cock 19 by effect pipe 17-1;
Air compressor body 95 connects air compressor motor 93, and air compressor motor has support of motor 12-4 93 times;
Electric connector 9 at the two ends of locomotive or vehicle, (providing electric power to each vehicle for locomotive)
Electric jumper lead 10 connects the electric connector 9 of locomotive and vehicle or adjacent two vehicles.
2, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: there is angle cock 6 brake pipe 13 and brake hose 7 junction.
3, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: the Air compressor 90 of described stable output pressure is reciprocating type compressor.(feature of reciprocating compressor is strong adaptability, and its discharge pressure is widest in area, all applicable to shoulder pressure from low pressure.Owing to filling wind without the need to stable filling wind to auxiliary reservoir 20, pulsation can be selected to fill wind.)
4, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: air inlet pipe 92 place of the Air compressor 90 of described stable output pressure is connected with airfilter 91.
5, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: brake pipe 13 connects emergency valve 11 by emergency braking pipe 11-1, emergency valve 11 has emergency exhaust mouth 11-2.
6, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: described brake hose 7 is silicon rubber hose.
7, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: described brake pipe 13 is smooth stainless steel tube.
8, described attached pneumatics fills the rapid relieving apparatus of car brakeing of wind, it is characterized in that: described Air compressor arm 13-1 is smooth stainless steel tube.
Embodiment 2
1, the Air compressor of stable output pressure comprises: airfilter 91, air inlet pipe 92, air compressor motor 93, support of motor 94, Air compressor body 95, middle control 96, delivery pipe 97, pressure sensor 98, motor cable 99, sensor cable 100 (see accompanying drawing 7)
Delivery pipe 97 comprises: delivery pipe inwall 97-1, delivery pipe inner chamber 97-2,
It is characterized in that:
Support of motor 94 connects air compressor motor 93, and air compressor motor 93 connects Air compressor body 95, and air inlet pipe 92 connects airfilter 91, and Air compressor body 95 connects air inlet pipe 92, and Air compressor body 95 connects delivery pipe 97;
Delivery pipe inwall 97-1 is equipped with pressure sensor 98, air compressor motor 93 is equipped with middle control 96, pressure sensor 98 connecting sensor cable 100, control 96 during sensor cable 100 connects, middle control 96 connects motor cable 99; (when delivery pipe 97 pressure raises, Air compressor is started working, and fills the level pressure of wind to brake pipe 13);
The Air compressor of 2, described stable output pressure, is characterized in that: delivery pipe 97 is smooth stainless steel tube.
The Air compressor of 3, described stable output pressure, is characterized in that: air inlet pipe 92 is smooth stainless steel tube.

Claims (3)

1. the Air compressor of stable output pressure comprises: airfilter, air inlet pipe, air compressor motor, support of motor, Air compressor body, middle control, delivery pipe, pressure sensor, motor cable, sensor cable,
Delivery pipe comprises: delivery pipe inwall, delivery pipe inner chamber,
It is characterized in that:
Support of motor connects air compressor motor, and air compressor motor connects Air compressor body, and air inlet pipe connects airfilter, and Air compressor body connects air inlet pipe, and Air compressor body connects delivery pipe;
Delivery pipe inwall is equipped with pressure sensor, air compressor motor is equipped with middle control, pressure sensor connecting sensor cable, control during sensor cable connects, middle control connects motor cable.
2. the Air compressor of stable output pressure as claimed in claim 1, is characterized in that: delivery pipe is smooth stainless steel tube.
3. the Air compressor of stable output pressure as claimed in claim 1, is characterized in that: air inlet pipe is smooth stainless steel tube.
CN201520813151.9U 2015-10-20 2015-10-20 Air compressor machine of firm output pressure Expired - Fee Related CN205168536U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520813151.9U CN205168536U (en) 2015-10-20 2015-10-20 Air compressor machine of firm output pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520813151.9U CN205168536U (en) 2015-10-20 2015-10-20 Air compressor machine of firm output pressure

Publications (1)

Publication Number Publication Date
CN205168536U true CN205168536U (en) 2016-04-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105197062A (en) * 2015-10-20 2015-12-30 济南大学 Air compressor with stable output pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105197062A (en) * 2015-10-20 2015-12-30 济南大学 Air compressor with stable output pressure

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Granted publication date: 20160420

Termination date: 20181020