CN216642427U - Compressor control system - Google Patents
Compressor control system Download PDFInfo
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- CN216642427U CN216642427U CN202122924638.2U CN202122924638U CN216642427U CN 216642427 U CN216642427 U CN 216642427U CN 202122924638 U CN202122924638 U CN 202122924638U CN 216642427 U CN216642427 U CN 216642427U
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- air inlet
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- air outlet
- separator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a compressor control system, which belongs to the technical field of air compressors, wherein an electromagnetic valve is arranged between a rodless cavity of an air inlet valve of the system and a pilot port of a separator, an air inlet of the air inlet valve is connected with an air filter through a first throttling hole, and a speed regulating valve of which the control end is connected with a main air port of the separator is arranged between an air inlet and an air outlet of the first throttling hole; a proportional valve is arranged between the air inlet and the air outlet of the electromagnetic valve; a first one-way valve and a first pneumatic control valve of which the control end is connected with the rodless cavity of the air inlet valve are arranged between the air outlet of the air inlet valve and the main air outlet of the separator; a second throttling hole is formed between the air outlet of the first air control valve and the air inlet of the air inlet valve; a second pneumatic control valve of which the control end is connected with the air outlet of the air inlet valve is arranged between the main air outlet of the separator and the air inlet of the air inlet valve; a ball valve is arranged at a partial pressure gas outlet of the separator. The utility model can solve the problems of difficult starting, low pressure building efficiency and high stamping of the existing compressor control system.
Description
Technical Field
The utility model relates to the technical field of air compressors, in particular to a control system for an air compressor.
Background
A compressor is an apparatus for compressing gas by a rotary motion of a prime mover. A compressor control system comprises an air inlet valve, wherein an air outlet of the air inlet valve is communicated with an air inlet of a compressor, an electromagnetic valve, a pressure reducing valve and a filter are sequentially connected between a rodless cavity air port of the air inlet valve and a pilot air outlet of a separator, a pressure stabilizing valve, a throttle valve and a high-pressure one-way valve are arranged between a main air outlet of an oil-gas separator and a gas supplementing port of the air inlet valve, a pressure regulating valve is arranged between a control end of the pressure stabilizing valve and the filter, and a control end of the pressure stabilizing valve is communicated with a rod cavity of the air inlet valve. When the pressure loading of the compressor is controlled, the electromagnetic valve is controlled to be opened, pilot gas output from a pilot gas outlet of the oil-gas separator passes through the filter, the pressure reducing valve, the electromagnetic valve and the rodless cavity entering the air inlet valve to push a piston rod of the air inlet valve to open the air inlet valve, and the pressure loading is carried out on the compressor. When the pressure of the compressor is adjusted and maintained, one part of the pilot gas output from the pilot gas outlet of the oil-gas separator passes through the filter and the pressure adjusting valve, enters the rod cavity of the gas inlet valve to push the piston rod of the gas valve to close the gas inlet valve, and the other part of the pilot gas reaches the control end of the pressure balancing valve to control the pressure balancing valve to open so that the gas coming out of the main gas outlet of the separator passes through the main gas path of the pressure balancing valve, the throttle valve and the high-pressure one-way valve, enters the gas supplementing port to supplement gas for the compressor, and at the moment, the opening of the gas inlet valve is adjusted, so that the exhaust pressure of the compressor is not reduced and cannot be more than or equal to the automatic unloading pressure, and the redundant gas enters the atmosphere communicating port of the gas inlet valve through the throttle valve and is discharged into the atmosphere. When the compressor is controlled to unload, the electromagnetic valve is controlled to be closed, the piston rod of the air inlet valve returns under the action of the spring force, the air inlet valve is closed, and the pressure in the compressor is unloaded. However, such a compressor control system exists: the starting is difficult, the pressure building efficiency is low, and the stamping is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compressor control system which can solve the problems of difficult starting, low pressure building efficiency and high stamping of the existing compressor control system.
In order to solve the problems, the technical scheme adopted by the utility model is as follows: the compressor control system comprises an air inlet valve, wherein an air outlet of the air inlet valve is communicated with an air inlet of a compressor, an electromagnetic valve is connected between a rodless cavity air port of the air inlet valve and a pilot air outlet of a separator, the air inlet valve is a piston one-way valve, the air inlet of the air inlet valve is communicated with an air filter through a first throttling hole, a speed regulating valve is arranged between the air inlet and the air outlet of the first throttling hole, and a control end of the speed regulating valve is communicated with a main air outlet of the separator; a proportional valve is arranged between the air inlet and the air outlet of the electromagnetic valve; a first air control valve and a first one-way valve are sequentially arranged between the main air outlet of the separator and the air outlet of the air inlet valve, and the control end of the first air control valve is communicated with the rodless cavity air port of the air inlet valve; a second throttling hole is formed between the air outlet of the first air control valve and the air inlet of the air inlet valve; a second pneumatic control valve is arranged between the main air outlet of the separator and the air inlet of the air inlet valve, and the control end of the second pneumatic control valve is communicated with the air outlet of the air inlet valve; the separator is provided with a partial pressure air outlet, and a ball valve is arranged at the partial pressure air outlet.
In the above technical solution, a more specific technical solution may also be: the electromagnetic valve is a normally open electromagnetic valve; the first pneumatic control valve and the second pneumatic control valve are both normally closed pneumatic control valves.
Further: and a second one-way valve is arranged between the air outlet of the compressor and the air inlet of the separator.
Further: an adjustable throttle valve is arranged between the air inlet and the air outlet of the air inlet valve.
Further: and a third throttling hole for preventing ice blockage is arranged at the lowest part of the air port of the rodless cavity of the air inlet valve, which is connected with the electromagnetic valve.
Further: the second throttle hole, the first one-way valve, the first pneumatic control valve and the second pneumatic control valve are valve blocks integrated into a whole.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
due to the structure of the compressor control system, the system has the advantages of low starting load, high pressure building efficiency, high oil way lubrication speed, low punching pressure and low pressure born by parts, can be quickly started in plateau and extremely cold areas, reduces the risk of locking a host, has shorter loading waiting period, and improves the use experience and service life of users; and the gas quantity is higher in the low-pressure section, so that the application range of the product is wider, the competitiveness is improved, the pipeline is simpler, and the assembly and maintenance efficiency and the attractiveness are also improved.
Drawings
Fig. 1 is a control schematic diagram of an embodiment of the present invention.
Detailed Description
The utility model will be further described in detail with reference to the following examples:
the compressor control system shown in fig. 1 includes an air intake valve 1, the air intake valve 1 is a piston check valve, an air outlet 1o of the air intake valve 1 is communicated with an air inlet of a compressor 2, a rotary motion of an engine 3 drives the compressor 2 to compress air, an air outlet of the compressor 2 is communicated with an air inlet of a separator 4i, and a second check valve 13 is arranged between the air outlet of the compressor 2 and the air inlet 4i of the separator 4; an electromagnetic valve 5 is connected between a rodless cavity air port 1a of the air inlet valve 1 and a pilot air outlet 4K of the separator 4, and the electromagnetic valve 5 is a normally open electromagnetic valve; an air inlet 1i of the air inlet valve 1 is communicated with an air filter 7 through a first throttling hole 6, and the air filter 7 is provided with a hole communicated with the atmosphere; an adjustable throttle valve 8 is arranged between the air inlet 1i and the air outlet 1o of the air inlet valve 1; a speed regulating valve 9 is arranged between the air inlet and the air outlet of the first throttling hole 6, and the control end of the speed regulating valve 9 is communicated with the main air outlet 4a of the separator 4; a proportional valve 10 is arranged between the air inlet and the air outlet of the electromagnetic valve 5; a first pneumatic control valve 11 and a first one-way valve 12 are sequentially arranged between the main air outlet 4a of the separator 4 and the air outlet 1o of the air inlet valve 1, and the control end of the first pneumatic control valve 11 is communicated with the rodless cavity air port 1a of the air inlet valve 1; a second throttle hole 14 is arranged between the air outlet of the first air control valve 11 and the air inlet 1i of the air inlet valve 1; a second pneumatic control valve 15 is arranged between the main air outlet 4a of the separator 4 and the air inlet of the air inlet valve 1, the control end of the second pneumatic control valve 15 is communicated with the air outlet 1o of the air inlet valve 1, and the first pneumatic control valve 11 and the second pneumatic control valve 15 are both normally closed pneumatic control valves; the separator 4 is provided with a partial pressure air outlet 4b, and a ball valve 16 is arranged at the partial pressure air outlet 4 b; the lowest part of the rodless cavity air port 1a of the air inlet valve, which is connected with the electromagnetic valve, is provided with a third throttling hole 17 for preventing ice blockage; the second throttle hole 14, the first check valve 12, the first pneumatic valve 11, and the second pneumatic valve 15 are valve blocks integrated into a whole.
The control during operation is as follows:
and (3) starting: the engine 3 rotates to drive the compressor 2, vacuum is formed in the compressor 2, and atmospheric air is input from the air inlet of the compressor 2 through the air inlet valve 1 by the air filter 7 and the first throttling hole 6, generates compressed air and then is output to the separator through the second one-way valve 13 by the air outlet of the compressor 2; in the process, the air inflow is very low, the compressor 2 is started under light load, and the engine 3 is low in load;
an idling state: the engine 3 enters an idling state after being stabilized, at the moment, the internal pressure of the separator 4 rises, a part of compressed air output from the main air outlet 4a of the separator 4 reaches the control end of the speed regulating valve 9, the speed regulating valve 9 is controlled to be opened, the air entering the compressor 2 from the air filter 7 passes through the first throttling hole 6 and the speed regulating valve 9 to increase the air inflow of the compressor 2, and the internal quick pressure build-up of the compressor 2 is realized; after the pressure reaches a certain value, pilot pressure gas output from a pilot gas outlet 4K of the separator 4 reaches a rodless cavity of the gas inlet valve 1 through the electromagnetic valve 5 to push a piston rod of the pilot pressure gas to move to close the gas inlet valve 1, so that the gas inlet amount of the compressor 2 is controlled, the gas inlet and outlet of the compressor 2 are balanced, and the energy-saving effect is realized;
and (3) loading state: the electromagnetic valve 5 is controlled to be powered off, the resistance of the air inlet valve 1 is reduced, and at the moment, a large amount of atmospheric air entering from the air filter 7 passes through the first throttling hole 6 and the air inlet valve 1 and then enters the compressor 2 for pressure loading, then enters the separator 4 and is discharged by the ball valve 16;
and (3) pressure maintaining state: closing the ball valve 16, raising the internal pressure of the separator 4 to exceed the rated pressure, wherein the proportional valve 10 acts and conducts, a part of the pilot pressure gas output from the pilot air outlet 4K of the separator 4 enters the rodless cavity of the air inlet valve 1 through the proportional valve 10 to push the piston rod of the pilot pressure gas to move to close the air inlet valve 1, so that the air inflow of the compressor is reduced, the other part of the pilot pressure gas reaches the control end of the first air control valve 11 to control the conduction of the first air control valve 11, and at the moment, most of the compressed gas output from the main air outlet 4a of the separator 4 enters the cavity of the compressor 2 through the first one-way valve 12 to be circularly compressed after passing through the first air control valve 11, and the other part of the compressed gas is discharged through the second orifice 14, the first orifice 6 and the air filter 7 to achieve balance, so that the stability after stamping is quickly realized;
unloading state: the control electromagnetic valve 5 is conducted after power failure, one part of pilot pressure gas output from the pilot gas outlet 4K of the separator 4 enters a rodless cavity of the air inlet valve 1 through the electromagnetic valve 5 to push a piston rod of the pilot pressure gas to move to close the air inlet valve 1, the other part of pilot pressure gas reaches the control end of the second hydraulic control valve 15 to control the conduction of the second hydraulic control valve 15, and at the moment, compressed gas is discharged through the second hydraulic control valve 15, the first throttling hole 6 and the air filter 7, so that rapid pressure relief and shutdown are realized.
The utility model has low starting load, high pressure building efficiency, quick oil circuit lubrication, low punching pressure and low pressure born by parts, can be quickly started in plateau and extremely cold areas, reduces the risk of locking a host, has shorter loading waiting period, and improves the use experience and service life of users; and the gas quantity is higher at the low-pressure section, so that the application range of the product is wider, the competitiveness is improved, meanwhile, the pipeline is simpler, and the assembly and maintenance efficiency and the attractiveness are also improved.
Claims (6)
1. The utility model provides a compressor control system, includes the admission valve that its gas outlet is linked together with the air inlet of compressor, be connected with the solenoid valve between the rodless chamber gas port of admission valve and the guide's gas outlet of separator, its characterized in that: the air inlet valve is a piston one-way valve, an air inlet of the air inlet valve is communicated with the air filter through a first throttling hole, a speed regulating valve is arranged between the air inlet and an air outlet of the first throttling hole, and a control end of the speed regulating valve is communicated with a main air outlet of the separator; a proportional valve is arranged between the air inlet and the air outlet of the electromagnetic valve; a first air control valve and a first one-way valve are sequentially arranged between the main air outlet of the separator and the air outlet of the air inlet valve, and the control end of the first air control valve is communicated with the rodless cavity air port of the air inlet valve; a second throttling hole is formed between the air outlet of the first air control valve and the air inlet of the air inlet valve; a second pneumatic control valve is arranged between the main air outlet of the separator and the air inlet of the air inlet valve, and the control end of the second pneumatic control valve is communicated with the air outlet of the air inlet valve; the separator is provided with a partial pressure air outlet, and a ball valve is arranged at the partial pressure air outlet.
2. The compressor control system of claim 1, wherein: the electromagnetic valve is a normally open electromagnetic valve; the first pneumatic control valve and the second pneumatic control valve are both normally closed pneumatic control valves.
3. The compressor control system according to claim 1 or 2, characterized in that: and a second one-way valve is arranged between the air outlet of the compressor and the air inlet of the separator.
4. The compressor control system of claim 3, wherein: and an adjustable throttle valve is arranged between the air inlet and the air outlet of the air inlet valve.
5. The compressor control system of claim 4, wherein: and a third throttling hole for preventing ice blockage is arranged at the lowest part of the air port of the rodless cavity of the air inlet valve, which is connected with the electromagnetic valve.
6. The compressor control system of claim 5, wherein: the second throttle hole, the first one-way valve, the first pneumatic control valve and the second pneumatic control valve are valve blocks integrated into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122924638.2U CN216642427U (en) | 2021-11-26 | 2021-11-26 | Compressor control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122924638.2U CN216642427U (en) | 2021-11-26 | 2021-11-26 | Compressor control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216642427U true CN216642427U (en) | 2022-05-31 |
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ID=81737925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122924638.2U Active CN216642427U (en) | 2021-11-26 | 2021-11-26 | Compressor control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216642427U (en) |
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2021
- 2021-11-26 CN CN202122924638.2U patent/CN216642427U/en active Active
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