CN103362790A - Air compressor control system and control method thereof - Google Patents
Air compressor control system and control method thereof Download PDFInfo
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- CN103362790A CN103362790A CN2012100953465A CN201210095346A CN103362790A CN 103362790 A CN103362790 A CN 103362790A CN 2012100953465 A CN2012100953465 A CN 2012100953465A CN 201210095346 A CN201210095346 A CN 201210095346A CN 103362790 A CN103362790 A CN 103362790A
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- air compressor
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Abstract
The invention relates to an air compressor control system and a control method thereof. The control system comprises a control module, a first power module, a second power module, a signal acquisition module, a first air compressor, a second air compressor, an electromagnetic valve and a gas storage tank, wherein the control module is used for controlling starting, stopping and running of the system, the first power module and the second power module are used for driving the air compressors to run, the signal acquisition module sends pressure signals acquired from the gas storage tank to the control module, the control module judges and processes the pressure signals and sends out control signals to be transmitted to the first power module and the second power module, the first power module controls the first air compressor to run, and the second power module controls the second air compressor to run. The air compressor control system is an intelligent control system, accuracy of system control is improved, safety of the system is improved, and the air compressor system is simpler, and safer and more reliable in running.
Description
Technical field
The invention belongs to the air compressor control field, relate in particular to a kind of air compressor control system and controlling method thereof.
Background technique
Air compressor has been widely used in all trades and professions, requires also more and more higher to the reliability of air compressor, accuracy, energy-conservation etc.The common working pressure switching device of the air compressor of prior art makes pressure control within the specific limits, and along with the development of electronic product technology, the braking system technology is also towards deceleration of electrons control future development.For air compressor, generally be use 1 air compressor of 1 Driven by inverter incessantly with air compressing in gas holder, rely on gas bleeder valve to guarantee that the braking system atmospheric pressure value does not exceed standard, make delivery pressure control within the specific limits.
The present inventor finds in to the prior art research and practice: pressure can not be set and adjust to the air compressor of prior art in the larger context, and pressure control is also not accurate enough, the non intelligent control of system, and Security is not high.
Summary of the invention
Not accurate enough for solving air compressor control, Security is the high-technology problem not, the invention provides a kind of air compressor control system and controlling method thereof, has improved the Security of control system.
Technological scheme of the present invention is:
Air compressor control system of the present invention comprises: the control module that is used for control system start and stop and running, be used for driving the first power model and second power model of air compressor running, signal acquisition module, the first air compressor, the second air compressor, solenoid valve and gas holder, described signal acquisition module gathers the pressure of described gas holder and pressure signal is sent to described control module, described control module is sent control signal according to described pressure signal and is sent to described the first power model and the second power model, described the first power model is controlled described the first compressor operation according to described control signal, described the second power model is controlled described the second compressor operation according to described control signal, described the first air compressor be connected the second air compressor and be connected with described gas holder by described solenoid valve respectively.
Optionally, described control module comprises the first control module and the second control module, described the first control module is electrically connected with described signal acquisition module and described the first power model respectively, and described the second control module is electrically connected with described signal acquisition module and described the second power model respectively.Adopt between described the first control module and described the first power model and be connected with the first photoelectric isolation module, be connected with the second photoelectric isolation module between described the second control module and described the second power model.
Optionally, described the first power model, described the second power model and described control module are by the power subsystem power supply of step-down, rectification, filtering.Be provided with one-way valve between described solenoid valve and the described gas holder.Described signal acquisition module includes pressure transducer, and described pressure transducer links to each other with described gas holder.
Optionally, also comprise fault detection module and select control unit, described fault detection module links to each other with described the first control module, described the second control module respectively by described selection control unit, and described fault detection module connects described the first air compressor, the second air compressor, the first power model, the second power model, the first photoelectric isolation module, the second photoelectric isolation module.
A kind of controlling method of air compressor control system, described air compressor control system is the above control system, and described controlling method comprises: gather the pressure of described gas holder and pressure signal P 0 is sent to described control module for the control module of control system start and stop and running, the first power model and the second power model, signal acquisition module, the first air compressor, the second air compressor, solenoid valve and gas holder, the described signal acquisition module that turns round for the driving air compressor; Described control module compares according to described pressure signal P 0 and predefined value and sends control signal according to comparative result; Described the first power model is controlled the first compressor operation according to described control signal, and described the second power model is controlled the second compressor operation according to described control signal; Closed or disconnect described solenoid valve.
Optionally, described predefined value comprises the first preset pressure value P1 and the second preset pressure value P2, P1＜P2, described controlling method comprises: when P0＜P1, described the first power model is controlled described the first compressor operation according to described control signal, described the second power model is controlled described the second compressor operation according to described control signal, closed described solenoid valve; As P0〉during P2, it is out of service that described the first power model is controlled described the first air compressor according to described control signal, and it is out of service that described the second power model is controlled described the second air compressor according to described control signal, disconnects described solenoid valve.
Optionally, when described fault detection module detected the fault of the first photoelectric isolation module, the first power model or the first air compressor, described selection control unit was controlled described the first control module and is quit work; When described fault detection module detected the fault of described the second photoelectric isolation module, the second power model or the second air compressor, described selection control unit was controlled described the second control module and is quit work.
The present invention has the following advantages: can make whole air compressor control system operation more safe and reliable by the control system of using two power models and two air compressors.
Description of drawings
Fig. 1 is the schematic diagram of a kind of mode of execution of air compressor control system of the present invention.
Fig. 2 is the schematic diagram of the second mode of execution of air compressor control system of the present invention.
Fig. 3 is a kind of flow chart of mode of execution of the controlling method of air compressor control system of the present invention.
Embodiment
In order to make technical problem solved by the invention, technological scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with accompanying drawing the present invention is done further detailed description: when various piece is write in the front advantage that certain part is brought can be described.
As shown in Figure 1, the air compressor control system of one embodiment of the present invention, comprise: the control module 1 that is used for air compressor control system start and stop and running, be used for driving the first power model 2 and second power model 3 of air compressor running, signal acquisition module 16, the first air compressor 4, the second air compressor 5, solenoid valve 7 and gas holder 8, described signal acquisition module 16 gathers the pressure of described gas holder 8 and pressure signal is sent to described control module 1, described control module 1 is sent control signal according to described pressure signal and is sent to described the first power model 2 and the second power model 3, described the first power model 2 is controlled 4 operations of described the first air compressor according to described control signal, described the second power model 3 is controlled described the second air compressor 5 operation according to described control signal, described the first air compressor 4 be connected the second air compressor 5 and be connected with described gas holder 8 by described solenoid valve 7 respectively.
The schematic diagram of the second mode of execution that Fig. 2 provides for air compressor control system of the present invention.
In the implementation, in the air compressor control system, described control module 1 comprises the first control module 11 and the second control module 12, described the first control module 11 is electrically connected with described signal acquisition module 16 and described the first power model 2 respectively, and described the second control module 12 is electrically connected with described signal acquisition module 16 and described the second power model 3 respectively.
In the implementation: described the first control module 11 and described the second control module 12 adopt the DSP(DSP digital signal processor) as control unit, described the first power model 2 and described the second power mould 3 adopt the IPM(Intelligent Power Module) drive respectively the operation of described the first air compressor 4 and described the second air compressor 5, simplified the complexity of circuit, reduced cost, made whole control system more simple and reliable.
Need to prove at this: described the first control module 11 in air compressor control system and described the second control module 12 adopt DSP as control unit, when described the first power model 2 and described the second power model 3 adopt IPM to drive the operation of control the first air compressor 4 and the second air compressor 5 simultaneously, be connected with the first photoelectric isolation module 9 between described the first control module 11 and described the first power model 2, be connected with the second photoelectric isolation module 10 between described the second control module 12 and described the second power model 3.
Need to prove at this: described the first photoelectric isolation module 9 plays electrical isolation between described the first control module 11 and described the first power model 2; Described the second photoelectric isolation module 10 plays electrical isolation between described the second control module 12 and described the second power model 3.
In the implementation, described the first photoelectric isolation module 9 and described the second photoelectric isolation module 10 all adopt described the first power model 2 of rapid light coupling (HCPL4504) isolation drive and the second power model 3.
Described the first power model 2, the second power model 3 and control module 1 are by power subsystem 13 power supplies, and described power subsystem 13 is the unit that ABAP Adapter step-down, rectification, filtering, voltage stabilizing are formed.
Be provided with one-way valve 6 between described solenoid valve 7 and the described gas holder 8, guarantee that the gas in the described gas holder 8 can not return in described the first air compressor 4 or described the second air compressor 5.
It should be noted that at this: described signal acquisition module 16 can include pressure transducer, described pressure transducer links to each other with described gas holder 8, for detection of the pressure signal of gas in the described gas holder 8, described signal acquisition module 16 is sent to described control module 1 with described pressure signal and carries out calculation process.
In the implementation, described air compressor control system also can comprise fault detection module 15 and select control unit 14, described fault detection module 15 is connected with described selection control unit 14, described selection control unit 14 respectively with described the first control module 11, described the second control module 12 links to each other, described fault detection module 15 connects described the first air compressor 4, the second air compressor 5, the first power model 2, the second power model 3, the first photoelectric isolation module 9, the second photoelectric isolation module 10, described fault detection module 15 is for detection of described the first air compressor 4, the second air compressor 5, the first power model 2, the second power model 3, the first photoelectric isolation module 9, the fault message of the second photoelectric isolation module 10, and described fault message is sent to described selection control unit 14, described selection control unit 14 judges according to described fault message, and control stops the action of described the first control module 11 or the second control module 12.Increase the trouble signal that described fault detection module energy fast detecting goes out each module, and react through described selection control unit, system held is normally moved.
As shown in Figure 3, a kind of a kind of mode of execution flow chart of controlling method of air compressor control system, with reference to Fig. 1 and Fig. 3, described air compressor control system comprises control module 1 for control system start and stop and running, is used for driving the first power model 2 and the second power model 3, signal acquisition module 16, the first air compressor 4, the second air compressor 5, solenoid valve 7 and the gas holder 8 of air compressor running, and described signal acquisition module 16 gathers the pressure of described gas holder 8 and pressure signal P 0 is sent to described control module 1; Described control module 1 compares according to described pressure signal P 0 and predefined value and sends control signal according to comparative result; Described the first power model 2 is controlled the operation of the first air compressor 4 according to described control signal, and is closed or disconnect described solenoid valve 7, and described the second power model 3 is controlled 5 operations of the second air compressor according to described control signal, closed or disconnect described solenoid valve 7.
In the implementation, described air compressor controlling method: described predefined value comprises the first preset pressure value P1 and the second preset pressure value P2, P1＜P2, described controlling method comprises: when P0＜P1, described the first power model 2 is controlled 4 operations of described the first air compressor according to described control signal, described the second power model 3 is controlled 5 operations of described the second air compressor, closed described solenoid valve 7 according to described control signal; As P0〉during P2, it is out of service that described the first power model 2 is controlled described the first air compressor 4 according to described control signal, and it is out of service that described the second power model 3 is controlled described the second air compressor 5 according to described control signal, disconnects described solenoid valve 7.
Need to prove: described control module 1 predeterminable described the first pressure value P 1 is 0.6MPa, default described the second pressure value P 2 is 0.8MPa, described signal acquisition module 16 gathers the pressure signal P 0 of described gas holder 8, and described pressure signal P 0 is sent to described control module 1, described control module 1 is with described pressure signal P 0 and described default pressure value P 1, P2 carries out computing relatively, when P0＜P1, described control module 1 is sent to described the first power model and described the second power model to the computing comparative result, sends control signal by described the first power model and described the second power model and controls described the first air compressor 4 and 5 operations of described the second air compressor; As P0〉during P1, described control module 1 continues to detect described pressure signal P 0, when P0＜P2, described the first air compressor 4 and the second air compressor 5 continue operation, as P0〉during P2, described control module 1 is sent to described the first power model and described the second power model to the computing comparative result, sends control signal by described the first power model and described the second power model, and described control signal controls described the first air compressor 4 and described the second air compressor 5 is out of service.
Need to prove: described controlling method also comprises when described fault detection module 15 detects the fault of the first photoelectric isolation module 9, the first power model 2 or the first air compressor 4, and described selection control unit 14 selects described the first control module 11 of control to quit work; When described fault detection module 15 detected the fault of the second photoelectric isolation module 10, the second power model 3 or the second air compressor 5, described selection control unit 14 selected described the second control module 12 of control to quit work.
Air compressor control system of the present invention has improved system's Operation safety, uses two control modules and two power models to control respectively two air compressors, and any one damage can both guarantee the security of system operation.As further preferred scheme, system has adopted the DSP(DSP digital signal processor) as control unit and use the IPM(intelligent control module) drive the operation of air compressor, greatly simplify the complexity of circuit, improved simultaneously the reliability of circuit.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. air compressor control system, it is characterized in that: comprise the control module for control system start and stop and running, be used for driving the first power model and second power model of air compressor running, signal acquisition module, the first air compressor, the second air compressor, solenoid valve and gas holder, described signal acquisition module gathers the pressure of described gas holder and pressure signal is sent to described control module, described control module is sent control signal according to described pressure signal and is sent to described the first power model and the second power model, described the first power model is controlled described the first compressor operation according to described control signal, described the second power model is controlled described the second compressor operation according to described control signal, described the first air compressor be connected the second air compressor and be connected with described gas holder by described solenoid valve respectively.
2. air compressor control system as claimed in claim 1, it is characterized in that: described control module comprises the first control module and the second control module, described the first control module is electrically connected with described signal acquisition module and described the first power model respectively, and described the second control module is electrically connected with described signal acquisition module and described the second power model respectively.
3. air compressor control system as claimed in claim 2, it is characterized in that: adopt between described the first control module and described the first power model to be connected with the first photoelectric isolation module, be connected with the second photoelectric isolation module between described the second control module and described the second power model.
4. air compressor control system as claimed in claim 3, it is characterized in that: described air compressor control system also comprises fault detection module and selects control unit, described fault detection module is connected with described selection control unit, described selection control unit links to each other with described the first control module, described the second control module respectively, and described fault detection module is connected with described the first air compressor, the second air compressor, the first power model, the second power model, the first photoelectric isolation module, the second photoelectric isolation module respectively.
5. air compressor control system as claimed in claim 1 is characterized in that: described the first power model, the second power model and control module are by the power subsystem power supply that is used for step-down, rectification, filtering.
6. air compressor control system as claimed in claim 1 is characterized in that: be provided with one-way valve between described solenoid valve and the described gas holder.
7. the controlling method of an air compressor control system, described air compressor control system comprises: control module, the first power model, the second power model, signal acquisition module, the first air compressor, the second air compressor, solenoid valve and gas holder, it is characterized in that, described controlling method comprises: described signal acquisition module gathers the pressure of described gas holder and pressure signal P 0 is sent to described control module; Described control module compares according to described pressure signal P 0 and predefined value and sends control signal according to comparative result; Described the first power model is controlled the first compressor operation according to described control signal, and is closed or disconnect described solenoid valve, and described the second power model is controlled the second compressor operation according to described control signal, closed or disconnect described solenoid valve.
8. controlling method according to claim 8, it is characterized in that: described predefined value comprises the first preset pressure value P1 and the second preset pressure value P2, P1＜P2, described controlling method comprises: when P0＜P1, described the first power model is controlled described the first compressor operation according to described control signal, described the second power model is controlled described the second compressor operation according to described control signal, closed described solenoid valve; As P0〉during P2, it is out of service that described the first power model is controlled described the first air compressor according to described control signal, and it is out of service that described the second power model is controlled described the second air compressor according to described control signal, disconnects described solenoid valve.
9. controlling method according to claim 8, it is characterized in that: described air compressor control system also comprises fault detection module and selects control unit, described controlling method comprises that also when described fault detection module detected the fault of the first photoelectric isolation module, the first power model or the first air compressor, described selection control unit was controlled described the first control module and quit work; When described fault detection module detected the fault of the second photoelectric isolation module, the second power model or the second air compressor, described selection control unit was controlled described the second control module and is quit work.
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| CN201210095346.5A CN103362790B (en) | 2012-04-01 | 2012-04-01 | A kind of air compressor control system and control method thereof |
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| CN201210095346.5A CN103362790B (en) | 2012-04-01 | 2012-04-01 | A kind of air compressor control system and control method thereof |
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Cited By (3)
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| CN103727012A (en) * | 2013-12-04 | 2014-04-16 | 山东金阳矿业集团有限公司 | Air compressor with linkage operation controlled |
| CN109751243A (en) * | 2019-03-21 | 2019-05-14 | 丰电科技集团股份有限公司 | A kind of energy-saving spray whelk rod-type air compressor control system |
| CN114517784A (en) * | 2020-11-19 | 2022-05-20 | 比亚迪股份有限公司 | Air compressor control system and method and vehicle |
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| CN114517784A (en) * | 2020-11-19 | 2022-05-20 | 比亚迪股份有限公司 | Air compressor control system and method and vehicle |
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| CN103362790B (en) | 2016-12-14 |
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