CN106949036A - One kind auxiliary uses oil-free air compressor device - Google Patents
One kind auxiliary uses oil-free air compressor device Download PDFInfo
- Publication number
- CN106949036A CN106949036A CN201710324089.0A CN201710324089A CN106949036A CN 106949036 A CN106949036 A CN 106949036A CN 201710324089 A CN201710324089 A CN 201710324089A CN 106949036 A CN106949036 A CN 106949036A
- Authority
- CN
- China
- Prior art keywords
- air compressor
- free air
- contactor
- oil
- branch road
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
Abstract
One kind auxiliary uses oil-free air compressor device, including motor, oil-free air compressor, drop separator, air cleaner, check valve, manage in branch road, the time relay, contactor and hot protective relay, the gas outlet connection reservoir of branch road pipe, pressure switch is installed on the pipe of branch road, the loop of the first normally-closed contact series connection turn-on time relay of pressure switch, second normally-closed contact of pressure switch, the loop of the normally opened contact of hot protective relay and the first normally opened contact series connection access contactor of the time relay, 3rd normally-closed contact of pressure switch is in series with detection tabs, state for detecting pressure switch；The loop for the temperature switch series connection access hot protective relay that the second normally opened contact and motor of the time relay are carried；The loop of the first normally opened contact series connection access motor of contactor, the second normally opened contact of contactor is in series with detection tabs, for detecting motor rotation situation.
Description
Technical field
The present invention relates to auxiliary oil-free air compressor device, auxiliary air compression more particularly to used for rail vehicle
Machine.
Background technology
Often total wind is not enough when carrying out operation preparation for air-boost compressor used for rail vehicle, at this moment needs to use auxiliary
The supplement blast of air compressor in good time.Either low speed or the air-boost compressor used for rail vehicle of high speed before this is all
It is the larger and complicated system of a set of volume, the system can not further meet that rail vehicle integrated level is high, multi-functional require.
However as the marketization of rail vehicle, domestic existing air-boost compressor can not meet client it is multi-functional and
The requirement of the marketization, it would be highly desirable to design a kind of full-featured, compact, mature and reliable for being adapted to the requirement of client's multifunction
Auxiliary oil-free air compressor device.
The content of the invention
The technical problems to be solved by the invention are to overcome the disadvantages mentioned above of prior art there is provided a kind of auxiliary oil-free
Blowing plant.
In order to solve the above technical problems, the auxiliary oil-free air compressor device that the present invention is provided, it is characterised in that：
Including the oil-free air compressor being sequentially connected, drop separator, air cleaner, check valve and branch road pipe, branch road pipe goes out
Gas port to be connected and be provided with pressure switch, safety valve and pressure gauge on reservoir, branch road pipe, and the oil-free air compressor is driven by motor
It is dynamic；Described device also has the time relay, contactor and hot protective relay, and the pressure switch is normally closed tactile with three
Point, the time relay and contactor have two normally opened contacts respectively, and hot protective relay has a normally opened contact, and pressure is opened
The loop of the first normally-closed contact series connection turn-on time relay closed, the second normally-closed contact of pressure switch, hot protective relay
Normally opened contact and the time relay the first normally opened contact series connection access contactor loop, pressure switch the 3rd it is normally closed touch
Point is in series with detection tabs, the state for detecting pressure switch；What the second normally opened contact and motor of the time relay were carried
The loop of temperature switch series connection access hot protective relay；The loop of the first normally opened contact series connection access motor of contactor, connects
Second normally opened contact of tentaculum is in series with detection tabs, for detecting motor rotation situation.
In order to further solve above-mentioned technical problem, this auxiliary also has following improvement with oil-free air compressor：
1st, the compressed air delivery outlet of the oil-free air compressor connects the air inlet of drop separator by pipeline.
2nd, the check valve two ends connect the gas outlet of drop separator and the air inlet of branch road pipe by pipeline respectively.
3rd, there is the air flue in air flue, pressure switch, safety valve, manometric air inlet and branch road pipe in the branch road pipe
Connection.
4th, also there is frame and control cabinet, the oil-free air compressor, drop separator, air cleaner, check valve
It is fixed on branch road pipe in frame, the time relay, contactor, hot protective relay are arranged in control cabinet.
5th, the control cabinet is fixed in frame.
6th, the contactor is parallel with overvoltage protection resistance.
When in the pipe of branch road（Reservoir）When blast is less than the startup pressure value that pressure switch is set, oil-free air compressor is aided in
Just work and air feed are automatically begun to, work is just automatically stopped after blast is more than the stopping pressure value that pressure switch is set.It is first
First compressor produces compressed air, purifies, enters after check valve through drop separator and air cleaner after being cooled down through copper pipe
Reservoir.Wherein there is check valve between branch road pipe and air cleaner, prevent subsequent compression air return.Total wind blast reaches pressure
Oil-free air compressor power supply, and the off-load carried by oil-free air compressor are disconnected after the stopping pressure value of power switch setting
The compressed air that valve is drained between oil-free air compressor and check valve, realizes oil-free air compressor non-loaded startup next time,
And the signal for monitoring insufficient pressure all the way is independently exported by pressure switch.
In a kind of control cabinet of above-mentioned auxiliary oil-free air compressor, be integrated with control oil-free air compressor when
Between relay, for setting the most long stream time of oil-free air compressor.Time such as stream time more than setting,
Disconnect controlled motor starting contactor power supply.And the signal for monitoring motor rotation all the way is independently exported by contactor.
Temperature switch is integrated with motor, hot protective relay is controlled by this temperature switch, so as to control oil-free air
Compressor operating.Motor power is disconnected after motor exceedes the setting value of temperature switch, to reach the purpose of protection motor so that
Oil-free air compressor service life is longer.
In a kind of above-mentioned auxiliary oil-free air compressor, the drop separator and air cleaner used all has certainly
Dynamic drain function, after compressed air is cooled down by copper pipe, separate out and be deposited on drop separator and air cleaner in when, one
Denier compressor starts are worked, and the water being stored in drop separator and air cleaner will be automatically drained out, it is ensured that gas circuit is cleaned.
In a kind of above-mentioned auxiliary oil-free air compressor, the pressure gauge on the pipe of branch road can be very easily
The same atmospheric pressure value of observation.Mechanical safety valve on the pipe of branch road communicates therewith component on pipeline for guarantee
Highest air pressure.
In a kind of above-mentioned auxiliary oil-free air compressor, have in the pressure switch on the pipe of branch road controllable
The switch whether inner contact of pressure switch works.Auxiliary oil-free air compressor can be switched off still after being powered by this
Power resumption, field adjustable of the convenient auxiliary oil-free air compressor of this switch on vehicle.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the mechanical part schematic diagram of auxiliary oil-free air compressor device of the present invention.
Fig. 2 is the control circuit theory diagrams of auxiliary oil-free air compressor device of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.
The present embodiment auxiliary uses oil-free air compressor device, is made up of mechanical part and electric control part.Mechanical part is such as
Shown in Fig. 1, electric control part is as shown in Figure 2.
Mechanical part includes the oil-free air compressor 1 being sequentially connected, drop separator 3, air cleaner 4, check valve 5
With branch road pipe 8, the gas outlet of branch road pipe 8, which is connected, be provided with pressure switch KA1, safety valve 7 and pressure gauge on reservoir, branch road pipe 8
6, oil-free air compressor 1 is driven by motor M.The compressed air delivery outlet of oil-free air compressor 1 is connected by cooling copper tube 2
The air inlet of drop separator 3；Check valve 5 two ends connect gas outlet and the branch road pipe 8 of drop separator 4 by pipeline respectively
Air inlet.There is the air flue in air flue, pressure switch KA1, safety valve 7, the air inlet of pressure gauge 6 and branch road pipe 8 in the pipe of branch road
Connection.Safety valve 7 can be laid down when air pressure is excessive a part for pressure, so as to maintain system material object stable and pacify
Entirely.
Electric control part device includes：Pressure switch KA1, time relay KT1, contactor KM1 and hot protective relay
KD1, contactor KM1, which are parallel with overvoltage protection resistance VDR, pressure switch KA1, has three normally-closed contacts, time relay KT1
There are two normally opened contacts respectively with contactor KM1, hot protective relay KD1 has a normally opened contact, pressure switch KA1's
The loop of first normally-closed contact series connection turn-on time relay KT1, pressure switch KA1 the second normally-closed contact, Thermal protection relay
The loop of device KD1 normally opened contact and time relay KT1 the first normally opened contact series connection access contactor KM1, pressure switch
KA1 the 3rd normally-closed contact is in series with detection tabs, the status signal switched for external output pressure, for recognizing that branch road is managed
（Reservoir）Whether interior air pressure reaches specified pressure；The temperature switch that time relay KT1 the second normally opened contact and motor is carried
KB1 series connection access hot protective relays KD1 loop；Contactor KM1 the first normally opened contact series connection access motor M power supply is returned
Road；Contactor KM1 the second normally opened contact is in series with detection tabs, for output motor CRANK PULSES.
Above-mentioned mechanical part（Oil-free air compressor, drop separator, air cleaner, check valve and branch road pipe）Install
In frame, electric control part（The time relay, contactor, hot protective relay）Then it is arranged in control cabinet, the control cabinet
It is fixed in frame.
The present embodiment auxiliary oil-free air compressor device operation principle is as follows.
When interface blast（Branch road manage-style pressure）Less than pressure switch set startup pressure value when, start motor：
Pressure switch KA1 three normally-closed contacts closure, time relay KT1 obtains electric, and the time relay starts timing, with constantly
Between relay KT1 two normally opened contacts closure, hot protective relay KD1 obtains electric（Assuming that now motor M is not overheated, temperature is opened
Close KB1 closures）, hot protective relay KD1 normally opened contact closure, now contactor KM1 loop connect, contactor KM1 obtains
Electricity, two normally opened contact closure, connects motor power loop, motor is devoted oneself to work.
When interface blast（Branch road manage-style pressure）When reaching the stopping pressure value of pressure switch setting, stop motor work：
Pressure switch KA1 three normally-closed contacts disconnect, contactor KM1 dead electricity, and contactor KM1 two normally opened contacts disconnect,
Motor power loop disconnects, and leaves the motor off work.And the unloading valve carried by oil-free air compressor is drained oil-free air
Compressed air between compressor and check valve, realizes oil-free air compressor non-loaded startup next time.
Motor reaches most long stream time, stops motor work：
When motor reaches most long stream time, time relay KT1 disconnects its normally opened contact, and hot protective relay KD1 loses
Electricity, hot protective relay KD1 normally opened contact disconnects, and contactor KM1 dead electricity, so as to disconnect motor power loop, stops motor
Only work.After downtime the time of specifying is reached, time relay KT1 closes its normally opened contact, motor is worked on.
Motor overheating, stops motor work：
Work as motor overheating, temperature switch KB1 disconnects, hot protective relay KD1 dead electricity disconnects contactor KM1 loop, contactor
KM1 dead electricity, disconnects motor power loop, leaves the motor off work.When motor temperature, which declines, gets to job requirement temperature, temperature
KB1 closures are switched, motor is devoted oneself to work again.
In the present embodiment, pressure switch KA1 the 3rd normally-closed contact and contactor KM1 the second normally opened contact are in series with
Detection tabs, are respectively used to the status signal and motor rotation signal of external output pressure switch.Can docking port pressure and motor
Running status is monitored.
In addition to the implementation, the present invention can also have other embodiment.All use equivalent or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (7)
1. one kind auxiliary uses oil-free air compressor device, it is characterised in that：Including be sequentially connected oil-free air compressor, water
Drip and pressure is installed on separator, air cleaner, check valve and branch road pipe, the gas outlet connection reservoir of branch road pipe, branch road pipe
Switch, safety valve and pressure gauge, the oil-free air compressor are driven by motor；Described device also has the time relay, connect
Tentaculum and hot protective relay, the pressure switch have three normally-closed contacts, and the time relay and contactor have two respectively
Individual normally opened contact, hot protective relay has normally opened contact, the first normally-closed contact series connection turn-on time of pressure switch after
The loop of electrical equipment, the second normally-closed contact of pressure switch, the normally opened contact of hot protective relay and the time relay it is first normal
The loop that contact series access contactor is opened, the 3rd normally-closed contact of pressure switch is in series with detection tabs, for detecting pressure
The state of switch；The temperature switch series connection access hot protective relay that the second normally opened contact and motor of the time relay are carried
Loop；The loop of the first normally opened contact series connection access motor of contactor, the second normally opened contact of contactor is in series with detection and connect
Head, for detecting motor rotation situation.
2. auxiliary according to claim 1 uses oil-free air compressor device, it is characterised in that：The oil-free air compression
The compressed air delivery outlet of machine connects the air inlet of drop separator by copper pipe.
3. auxiliary according to claim 1 uses oil-free air compressor device, it is characterised in that：The check valve two ends point
The gas outlet of drop separator and the air inlet of branch road pipe are not connected by pipeline.
4. auxiliary according to claim 1 uses oil-free air compressor device, it is characterised in that：Have in the branch road pipe
Air flue, pressure switch, safety valve, manometric air inlet are connected with the air flue in the pipe of branch road.
5. auxiliary according to claim 1 uses oil-free air compressor device, it is characterised in that：Also there is frame and control
Case, the oil-free air compressor, drop separator, air cleaner, check valve and branch road pipe are fixed in frame, when described
Between relay, contactor, hot protective relay be arranged on control cabinet in.
6. auxiliary according to claim 1 uses oil-free air compressor device, it is characterised in that：The control cabinet is fixed on
In frame.
7. auxiliary according to claim 1 uses oil-free air compressor device, it is characterised in that：The contactor is parallel with
Overvoltage protection resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324089.0A CN106949036B (en) | 2017-05-10 | 2017-05-10 | A kind of auxiliary oil-free air compressor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324089.0A CN106949036B (en) | 2017-05-10 | 2017-05-10 | A kind of auxiliary oil-free air compressor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106949036A true CN106949036A (en) | 2017-07-14 |
| CN106949036B CN106949036B (en) | 2019-02-05 |
Family
ID=59479713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710324089.0A Active CN106949036B (en) | 2017-05-10 | 2017-05-10 | A kind of auxiliary oil-free air compressor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949036B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628012A (en) * | 2017-10-23 | 2018-01-26 | 中车兰州机车有限公司 | Air damper and rail vehicle |
| CN109707611A (en) * | 2019-03-15 | 2019-05-03 | 江西中汽瑞华新能源科技有限公司 | A kind of control system using blowback valve protection air compressor machine |
| CN114738253A (en) * | 2022-03-18 | 2022-07-12 | 交控科技股份有限公司 | Rail vehicle air compressor start control circuit and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628012A (en) * | 2017-10-23 | 2018-01-26 | 中车兰州机车有限公司 | Air damper and rail vehicle |
| CN109707611A (en) * | 2019-03-15 | 2019-05-03 | 江西中汽瑞华新能源科技有限公司 | A kind of control system using blowback valve protection air compressor machine |
| CN114738253A (en) * | 2022-03-18 | 2022-07-12 | 交控科技股份有限公司 | Rail vehicle air compressor start control circuit and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106949036B (en) | 2019-02-05 |
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