CN205277559U - Be used for SBC endless catalyst converter tonifying qi equipment and control system thereof - Google Patents
Be used for SBC endless catalyst converter tonifying qi equipment and control system thereof Download PDFInfo
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- CN205277559U CN205277559U CN201620006607.5U CN201620006607U CN205277559U CN 205277559 U CN205277559 U CN 205277559U CN 201620006607 U CN201620006607 U CN 201620006607U CN 205277559 U CN205277559 U CN 205277559U
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- 239000003054 catalyst Substances 0.000 title abstract 4
- 239000000446 fuel Substances 0.000 claims abstract description 36
- 238000006555 catalytic reaction Methods 0.000 claims description 91
- 238000004891 communication Methods 0.000 claims description 49
- 230000001105 regulatory effect Effects 0.000 claims description 31
- 230000003750 conditioning effect Effects 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 10
- 238000013475 authorization Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 238000004153 renaturation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 39
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model discloses a be used for SBC endless catalyst converter tonifying qi equipment and control system thereof relates to light automobile's standard rack circulation technical field to solving under the open loop control mode every circulation tonifying qi, to weigh the renaturation low, problem that actual air -fuel ratio and standard air -fuel ratio differed greatly. Be used for SBC endless catalyst converter tonifying qi equipment, include: connect first solenoid valve, a manual voltage regulation valve, first gas holder, the 2nd manual voltage regulation valve, second gas holder, pressure index gauge, temperature indicator meter, flow gauge (FG), mass flow controller and second solenoid valve between compressed air source and catalyst converter through pipeline order in proper order, air mass flow controlling means includes pressure index gauge, temperature indicator meter, flow gauge (FG) and mass flow controller, and it can be controlled the defeated outflow of air to revise the defeated outflow of air according to pressure, temperature. The utility model discloses mainly be applied to in the circulation of light automobile engine standard rack.
Description
Technical field
The utility model relates to standard stand circulation (the being called for short SBC) technical field of light-duty vehicle, especially relates to a kind of catalysis device tonifying Qi equipment for SBC circulation and Controlling System thereof.
Background technology
At present, according to the requirement of standard GB/T 18352.5-2013 " light-duty vehicle pollutant emission limit and measuring method (Chinese five-stage) ", it is possible to use catalysis device is carried out aging by SBC circulation (i.e. the circulation of standard stand); During actually operating, establishing criteria requirement, it is possible to periodically for catalysis device provides quantitative air (oxygen) with complete operation.
Specifically, catalysis device gas supply control system for SBC circulation of the prior art, generally by the make-and-break time controlling corresponding switch-valve in often circulation to control the air compensation of air (oxygen), Primary regulation no longer changes after arranging, can not change with temperature, pressure and engine change, causing actual air-fuel ratio to be above standard regulation, namely what the catalysis device gas supply control system for SBC circulation of the prior art adopted usually is the control mode of opened loop control.
But, when present inventor finds the mode adopting opened loop control in prior art, due to the impact of the factors such as the fluctuation by the change of envrionment temperature, the fluctuation of bleed pressure and the fuel gas tolerance of the enriching that often circulates, easily cause the repeatability of air compensation often circulated in the catalysis device gas supply control system for SBC circulation lower, and the air-fuel ratio that actual air-fuel ratio requires with Standard andRegulation differs bigger.
Practical novel content
The purpose of this utility model is to provide a kind of catalysis device tonifying Qi equipment for SBC circulation and Controlling System thereof, lower to solve the repeatability of the air compensation that existing open loop control mode easily causes often circulating in gas supply control system, and the air-fuel ratio that requires with Standard andRegulation of actual air-fuel ratio differs bigger problem.
The utility model provides a kind of catalysis device tonifying Qi equipment for SBC circulation, comprising: air storing device, and described air storing device comprises the first gas-holder and the 2nd gas-holder, air-flow control device, described air-flow control device comprises pressure indicator, temperature indicating meter, flow indicating meter and mass flow controller, air output flow can be controlled by described air-flow control device, and is revised by described air output flow according to pressure, temperature, auxiliary conditioning unit, described auxiliary conditioning unit comprises the first magnetic valve, the first manual pressure regulating valve, the 2nd manual pressure regulating valve and the 2nd magnetic valve, during assembling, compressed air source is connected by pipeline with described first magnetic valve, described first magnetic valve is connected by pipeline with described first manual pressure regulating valve, described first manual pressure regulating valve is connected by pipeline with described first gas-holder, described first gas-holder is connected by pipeline with described 2nd manual pressure regulating valve, described 2nd manual pressure regulating valve is connected by pipeline with described 2nd gas-holder, described 2nd gas-holder is connected by pipeline with described pressure indicator, described pressure indicator is connected by pipeline with described temperature indicating meter, described temperature indicating meter is connected by pipeline with described flow indicating meter, described flow indicating meter is connected by pipeline with described mass flow controller, described mass flow controller is connected by pipeline with described 2nd magnetic valve, described 2nd magnetic valve is connected by pipeline with catalysis device.
Wherein, described mass flow controller is electrically connected with the catalysis device gas supply control system circulated for SBC.
Specifically, described pipeline is stainless steel tube, and the external diameter of described stainless steel tube is 25mm.
Further, described first magnetic valve and described 2nd magnetic valve are electric-controlled switch valve.
Preferably, described pressure indicator is tensimeter; Thermometer is counted in the instruction of described temperature; Rate of flow meter is counted in the instruction of described flow.
Relative to prior art, the catalysis device tonifying Qi equipment for SBC circulation described in the utility model has following advantage:
In the catalysis device tonifying Qi equipment for SBC circulation that the utility model provides, comprising: air storing device, air-flow control device and auxiliary conditioning unit; Wherein, air storing device can comprise the first gas-holder and the 2nd gas-holder; Air-flow control device can comprise pressure indicator, temperature indicating meter, flow indicating meter and mass flow controller; Auxiliary conditioning unit can comprise the first magnetic valve, the first manual pressure regulating valve, the 2nd manual pressure regulating valve and the 2nd magnetic valve. When specifically assembling, it is possible to successively compressed air source, the first magnetic valve, the first manual pressure regulating valve, the first gas-holder, the 2nd manual pressure regulating valve, the 2nd gas-holder, pressure indicator, temperature indicating meter, flow indicating meter, mass flow controller, the 2nd magnetic valve and catalysis device are linked in sequence by pipeline; Further, air output flow can be controlled by air-flow control device, and is revised by air output flow according to pressure, temperature. Thus analyze it will be seen that the catalysis device tonifying Qi equipment for SBC circulation that provides of the utility model, it is possible to according to different engine exhaust amounts, under the operating mode of steady running, periodically for standard stand provides the air supply of institute requirement; And the catalysis device tonifying Qi equipment for SBC circulation, can ensure that air output flow can be revised according to temperature, pressure change on the one hand, so that the actual amount of air output flow is consistent with set amount, by the signal of broad domain oxygen sensor, the change caused because of engine combustion process is revised on the other hand, taking the amount of oxygen in the air ensureing supply within 3% �� 0.1% scope of waste gas total amount. Therefore, the catalysis device tonifying Qi equipment for SBC circulation that the utility model provides, the repeatability of the air compensation often circulated can be improved in the catalysis device gas supply control system for SBC circulation, and can ensure that actual air-fuel ratio is consistent with the air-fuel ratio of Standard andRegulation requirement.
The utility model also provides a kind of catalysis device gas supply control system for SBC circulation, includes the catalysis device tonifying Qi equipment for SBC circulation as described in above-mentioned arbitrary item in this catalysis device gas supply control system being used for SBC circulation; Also comprising in this catalysis device gas supply control system being used for SBC circulation: control device, described control device by the air inlet flow of engine during input original state and fuel flow, can calculate and arrange the initial flow that circulation air sprays; Signal pickup assembly, described signal pickup assembly can receive the triggering signal that the on-off model of the enriching oil spout start/stop time of engine sprays as air; Described signal pickup assembly can gather air-fuel ratio in real time and compare with standard air-fuel ratio, and can jointly form negative feedback closed loop control with described mass flow controller; Communication device, described mass flow controller according to the communications protocol specified by described mass flow controller, can be carried out real-time communication by the mode of serial communication by described communication device; Described communication device can send the output order of described mass flow controller, and feeds back the temperature value, force value and the real-time flow data that currently flow through air; During assembling, the described catalysis device tonifying Qi equipment for SBC circulation is connected with described signal pickup assembly and described communication device respectively, and described signal pickup assembly is connected with described communication device, and described communication device is connected with described control device.
Wherein, the described catalysis device gas supply control system for SBC circulation, comprising: device is checked in display, and described display checks that device is connected with described control device and described communication device respectively; Described display checks that monitoring variable, sampling quantity and manipulated variable can be shown by device by the mode of numerical value or curve; Described display checks that sampled value, controlling valu and calculated value can be taked the animation mode of industrial configuration pattern to present control process and control effects in real time by device, and can display alarm information, historical data and curve.
Specifically, described signal pickup assembly can also gather at least two thermocouple signal values in real time, a described thermocouple signal value can be used in the temperature rise effect of monitoring catalysis device and sends overheated warning when temperature over-range, and thermocouple signal value described in another can be used in auxiliary monitoring; The described catalysis device gas supply control system for SBC circulation also comprises: warning device, with described control device, described communication device and described display, described warning device checks that device is connected respectively; Described warning device can arrange warning higher limit, warning higher limit, warning lower value and low alarm limit value respectively, and upper limit alarm processing mode and lower limit alert process mode.
Further, the described catalysis device gas supply control system for SBC circulation, comprising: historic records storing device, and described historic records storing device is connected with described control device, described communication device and described warning device respectively; Described monitoring variable, described sampling quantity, described manipulated variable and described sampled value, described controlling valu and described calculated value can be stored by described historic records storing device.
Preferably, the described catalysis device gas supply control system for SBC circulation, comprising: authorization device, and described authorization device is connected with described control device; Described authorization device by machine code and can authorize the form of code that the described catalysis device gas supply control system for SBC circulation is carried out checking mandate.
Relative to prior art, the catalysis device gas supply control system for SBC circulation described in the utility model has following advantage:
In the catalysis device gas supply control system for SBC circulation that the utility model provides, comprising: for catalysis device tonifying Qi equipment and control device, signal pickup assembly and the communication device of SBC circulation. This control device by the air inlet flow of engine during input original state and fuel flow, can calculate and arrange the initial flow that circulation air sprays; This signal pickup assembly can receive the triggering signal that the on-off model of the enriching oil spout start/stop time of engine sprays as air; This signal pickup assembly can also gather air-fuel ratio in real time and compare with standard air-fuel ratio, and can jointly form negative feedback closed loop control with mass flow controller; Mass flow controller according to the communications protocol specified by mass flow controller, can be carried out real-time communication by the mode of serial communication by this communication device; This communication device can also send the output order of mass flow controller, and feeds back the temperature value, force value and the real-time flow data that currently flow through air. Thus analyze known, in the catalysis device gas supply control system for SBC circulation that the utility model provides, owing to using the mass flow controller of high precision accurately to be controlled by air air compensation, and control device carries the algorithm module and function module that medium temperature, pressure surge are compensated, such that it is able to the accuracy requirement of air air compensation in satisfied often circulation, and then can effectively eliminate extraneous disturbance to the impact of air-fuel ratio; Simultaneously, the result of the air-fuel ratio after every recirculated air tonifying Qi can be monitored by signal pickup assembly, with the air air compensation of dynamic conditioning subsequent cycle at any time, thus realize the double-closed-loop control to air-fuel ratio, and then the repeatability of the air compensation often circulated can be improved in the catalysis device gas supply control system for SBC circulation, and can ensure that actual air-fuel ratio is consistent with the air-fuel ratio of Standard andRegulation requirement.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is enforcement modes more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structure simplified schematic diagram of the catalysis device tonifying Qi equipment for SBC circulation that Fig. 1 provides for the utility model embodiment;
The structure simplified schematic diagram of the catalysis device gas supply control system for SBC circulation that Fig. 2 provides for the utility model embodiment.
Reference numeral:
1-air storing device; 11-first gas-holder;
12-the 2nd gas-holder; 2-air-flow control device;
21-pressure indicator; 22-temperature indicating meter;
23-flow indicating meter; 24-mass flow controller;
A-is used for the catalysis device gas supply control 3-auxiliary conditioning unit of SBC circulation;
System;
31-first magnetic valve; 32-first manual pressure regulating valve;
33-the 2nd manual pressure regulating valve; 34-the 2nd magnetic valve;
4-compressed air source; 5-catalysis device;
61-air filter; 62-purolator;
7-manual valve; 8-check valve;
A-is used for the catalysis device tonifying Qi equipment of SBC circulation; B-control device;
C-signal pickup assembly; D-communication device;
Device is checked in e-display; F-warning device;
G-historic records storing device; H-authorization device.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is the utility model part embodiment, instead of whole embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " or position are closed; be only the utility model and simplified characterization for convenience of description; instead of the device that refers to of instruction or hint or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model. In addition, term " first ", " the 2nd ", " the 3rd " are only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to particular case understands the concrete implication of above-mentioned term in the utility model.
The structure simplified schematic diagram of the catalysis device tonifying Qi equipment for SBC circulation that Fig. 1 provides for the utility model embodiment.
As shown in Figure 1, a kind of catalysis device tonifying Qi equipment for SBC circulation that the utility model embodiment provides, comprising: air storing device 1, and this air storing device 1 can comprise the first gas-holder 11 and the 2nd gas-holder 12, air-flow control device 2, this air-flow control device 2 can comprise pressure indicator 21, temperature indicating meter 22, flow indicating meter 23 and mass flow controller 24, and air output flow can be controlled by air-flow control device 2, and according to pressure, temperature, air output flow is revised, auxiliary conditioning unit 3, auxiliary conditioning unit 3 can comprise the first magnetic valve 31, first manual pressure regulating valve 32, the 2nd manual pressure regulating valve 33 and the 2nd magnetic valve 34, during assembling, compressed air source 4 can be connected by pipeline with the first magnetic valve 31, first magnetic valve 31 can be connected by pipeline with the first manual pressure regulating valve 32, first manual pressure regulating valve 32 can be connected by pipeline with the first gas-holder 11, first gas-holder 11 can be connected by pipeline with the 2nd manual pressure regulating valve 33, 2nd manual pressure regulating valve 33 can be connected by pipeline with the 2nd gas-holder 12, 2nd gas-holder 12 can be connected by pipeline with pressure indicator 21, pressure indicator 21 can be connected by pipeline with temperature indicating meter 22, temperature indicating meter 22 can be connected by pipeline with flow indicating meter 23, flow indicating meter 23 can be connected by pipeline with mass flow controller 24, mass flow controller 24 can be connected by pipeline with the 2nd magnetic valve 34, 2nd magnetic valve 34 can be connected by pipeline with catalysis device 5.
Relative to prior art, the catalysis device tonifying Qi equipment for SBC circulation described in the utility model embodiment has following advantage:
In the catalysis device tonifying Qi equipment for SBC circulation that the utility model embodiment provides, as shown in Figure 1, comprising: air storing device 1, air-flow control device 2 and auxiliary conditioning unit 3; Wherein, air storing device 1 can comprise the first gas-holder 11 and the 2nd gas-holder 12; Air-flow control device 2 can comprise pressure indicator 21, temperature indicating meter 22, flow indicating meter 23 and mass flow controller 24; Auxiliary conditioning unit 3 can comprise the first magnetic valve 31, first manual pressure regulating valve 32, the 2nd manual pressure regulating valve 33 and the 2nd magnetic valve 34. When specifically assembling, it is possible to successively compressed air source 4, first magnetic valve 31, first manual pressure regulating valve 32, first gas-holder 11, the 2nd manual pressure regulating valve 33, the 2nd gas-holder 12, pressure indicator 21, temperature indicating meter 22, flow indicating meter 23, mass flow controller 24, the 2nd magnetic valve 34 and catalysis device 5 are linked in sequence by pipeline; Further, air output flow can be controlled by air-flow control device 2, and is revised by air output flow according to pressure, temperature. Thus analyze it will be seen that the catalysis device tonifying Qi equipment for SBC circulation that provides of the utility model embodiment, it is possible to according to different engine exhaust amounts, under the operating mode of steady running, periodically for standard stand provides the air supply of institute requirement; And the catalysis device tonifying Qi equipment for SBC circulation, can ensure that air output flow can be revised according to temperature, pressure change on the one hand, so that the actual amount of air output flow is consistent with set amount, by the signal of broad domain oxygen sensor, the change caused because of engine combustion process is revised on the other hand, taking the amount of oxygen in the air ensureing supply within 3% �� 0.1% scope of waste gas total amount. Therefore, the catalysis device tonifying Qi equipment for SBC circulation that the utility model embodiment provides, the repeatability of the air compensation often circulated can be improved in the catalysis device gas supply control system for SBC circulation, and can ensure that actual air-fuel ratio is consistent with the air-fuel ratio of Standard andRegulation requirement.
Wherein, as shown in Figure 1, above-mentioned mass flow controller 24 can be electrically connected with the catalysis device gas supply control system A circulated for SBC; Further, this catalysis device gas supply control system A being used for SBC circulation can be used in the first magnetic valve 31 in auxiliary conditioning unit 3 and the 2nd magnetic valve 34 being controlled.
When actual production manufactures, the pipeline of each device of above-mentioned connection can be preferably stainless steel tube, and the external diameter of this stainless steel tube is specifically as follows 25mm.
Specifically, the first magnetic valve 31 in auxiliary conditioning unit 3 and the 2nd magnetic valve 34 are controlled by the catalysis device gas supply control system A for the ease of circulating for SBC, above-mentioned first magnetic valve 31 and the 2nd magnetic valve 34 can be all electric-controlled switch valve, thus are convenient to the catalysis device gas supply control system A for SBC circulation and carry out opening and closing control to the first magnetic valve 31 of electric-controlled switch valve and the 2nd magnetic valve 34.
Further, above-mentioned pressure indicator 21 can be tensimeter, thus by whether the pressure after tensimeter can confirm pressure regulation meets requirement; Meanwhile, said temperature indicating meter 22 can be thermometer, and flow indicating meter 23 can be rate of flow meter such that it is able to shown the temperature conditions of tonifying Qi equipment and the situation of air output flow intuitively by thermometer and rate of flow meter.
It should be added that, the first gas-holder 11 and the 2nd gas-holder 12 may be used for store compressed air herein, to improve response speed and bleed pressure, discharge stability; It is 6Bar that first manual pressure regulating valve 32 and the 2nd manual pressure regulating valve 33 may be used for tonifying Qi equipment pressure setting.
In addition, as shown in Figure 1, air filter 61 and purolator 62 can also be connected with between first manual pressure regulating valve 32 and the first gas-holder 11 successively by pipeline such that it is able to by the impurity in air filter 61 and purolator 62 effectively filtrated air and machine oil, and then improve the overall performance of tonifying Qi equipment; Manual valve 7 can also be connected with by pipeline between mass flow controller 24 and the 2nd magnetic valve 34, thus by the setting of this manual valve 7 can when related commissioning manual unlocking and close pipeline, to improve the safety and reliability of tonifying Qi equipment further; Check valve 8 can also be connected with by pipeline between 2nd magnetic valve 34 and catalysis device 5, thus can effectively prevent tail gas to be back in tonifying Qi equipment by the setting of check valve 8, play the effect of anti-damage mass flow controller 24.
The catalysis device tonifying Qi equipment for SBC circulation that the utility model embodiment provides, also has following advantage: the stability of tonifying Qi equipment is strong, and the data fluctuations of collection is less; Integral mechanical structure is simple, is convenient to in-site installation; Cost is lower, is beneficial to popularization, and the scope of application is bigger.
The structure simplified schematic diagram of the catalysis device gas supply control system for SBC circulation that Fig. 2 provides for the utility model embodiment.
As shown in Fig. 2 composition graphs 1, the catalysis device gas supply control system for SBC circulation that the utility model embodiment provides, can include the catalysis device tonifying Qi equipment a for SBC circulation as described in above-mentioned arbitrary item in this catalysis device gas supply control system being used for SBC circulation; This catalysis device gas supply control system being used for SBC circulation can also comprise: control device b, this control device b by the air inlet flow of engine during input original state and fuel flow, can calculate and arrange the initial flow that circulation air sprays; Signal pickup assembly c, this signal pickup assembly c can receive the triggering signal that the on-off model of the enriching oil spout start/stop time of engine sprays as air; This signal pickup assembly c can gather air-fuel ratio in real time and compare with standard air-fuel ratio, and can jointly form negative feedback closed loop control with mass flow controller 24; Mass flow controller 24 according to the communications protocol specified by mass flow controller 24, can be carried out real-time communication by the mode of serial communication by communication device d, this communication device d; This communication device d can send the output order of mass flow controller 24, and feeds back the temperature value, force value and the real-time flow data that currently flow through air; During assembling, the catalysis device tonifying Qi equipment a for SBC circulation can be connected with signal pickup assembly c and communication device d respectively, and this signal pickup assembly c can be connected with communication device d, and communication device d can be connected with institute control device b.
Relative to prior art, the catalysis device gas supply control system for SBC circulation described in the utility model embodiment has following advantage:
In the catalysis device gas supply control system for SBC circulation that the utility model embodiment provides, as shown in Fig. 2 composition graphs 1, comprising: for catalysis device tonifying Qi equipment a and control device b, the signal pickup assembly c and communication device d of SBC circulation. This control device b by the air inlet flow of engine during input original state and fuel flow, can calculate and arrange the initial flow that circulation air sprays; This signal pickup assembly c can receive the triggering signal that the on-off model of the enriching oil spout start/stop time of engine sprays as air; This signal pickup assembly c can also gather air-fuel ratio in real time and compare with standard air-fuel ratio, and can jointly form negative feedback closed loop control with mass flow controller 24; Mass flow controller 24 according to the communications protocol specified by mass flow controller 24, can be carried out real-time communication by the mode of serial communication by this communication device d; This communication device d can also send the output order of mass flow controller 24, and feeds back the temperature value, force value and the real-time flow data that currently flow through air. Thus analyze known, in the catalysis device gas supply control system for SBC circulation that the utility model embodiment provides, owing to using the mass flow controller 24 of high precision accurately to be controlled by air air compensation, and control device b carries the algorithm module and function module that medium temperature, pressure surge are compensated, such that it is able to the accuracy requirement of air air compensation in satisfied often circulation, and then can effectively eliminate extraneous disturbance to the impact of air-fuel ratio; Simultaneously, the result of the air-fuel ratio after every recirculated air tonifying Qi can be monitored by signal pickup assembly c, with the air air compensation of dynamic conditioning subsequent cycle at any time, thus realize the double-closed-loop control to air-fuel ratio, and then the repeatability of the air compensation often circulated can be improved in the catalysis device gas supply control system for SBC circulation, and can ensure that actual air-fuel ratio is consistent with the air-fuel ratio of Standard andRegulation requirement.
Wherein, as shown in Figure 2, the catalysis device gas supply control system for SBC circulation that the utility model embodiment provides can also comprise: device e is checked in the display being connected with control device b and communication device d respectively, and this display checks that monitoring variable, sampling quantity and manipulated variable can be shown by device e by the mode of numerical value or curve; And, it is possible to for sampled value, controlling valu and calculated value are taked the animation mode of industrial configuration pattern present control process and control effects in real time, and can display alarm information, historical data and curve. Meanwhile, display checks that sampling curve can also be carried out partial enlargement, pull by device e, checks relevant data with further detailed.
Specifically, as shown in Figure 2, above-mentioned signal pickup assembly c can also gather at least two thermocouple signal values in real time; Wherein, a thermocouple signal value can be used in the temperature rise effect of monitoring catalysis device 5 and carries out overheated warning, and another thermocouple signal value can be used in auxiliary monitoring. During practical application, catalysis device gas supply control system for SBC circulation can also comprise: check the warning device f that device e is connected respectively with control device b, communication device d and display, this warning device f can arrange warning higher limit, warning higher limit, warning lower value and low alarm limit value respectively, and upper limit alarm processing mode and lower limit alert process mode, thus improve the reliability of Controlling System.
Further, as shown in Figure 2, the catalysis device gas supply control system for SBC circulation that the utility model embodiment provides can also comprise: the historic records storing device g being connected with control device b, communication device d and warning device f respectively, monitoring variable, sampling quantity, manipulated variable and sampled value, controlling valu and calculated value can be stored by this historic records storing device g, such as store according to the frequency of at least 1Hz, thus it is convenient to relevant data be had access to check in the future.
Preferably, as shown in Figure 2, the catalysis device gas supply control system for SBC circulation that the utility model embodiment provides can also comprise: the authorization device h being connected with control device b, this authorization device h by machine code and can authorize the form of code the catalysis device gas supply control system circulated for SBC to be authorized, thus improve the security of Controlling System, prevent the use in unauthorized situation.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, it is not intended to limit; Although the utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technology feature is carried out equivalent replacement; And these amendments or replacement, do not make the scope of the essence disengaging each embodiment technical scheme of the utility model of appropriate technical solution.
Claims (10)
1. the catalysis device tonifying Qi equipment for SBC circulation, it is characterised in that, comprising:
Air storing device, described air storing device comprises the first gas-holder and the 2nd gas-holder;
Air-flow control device, described air-flow control device comprises pressure indicator, temperature indicating meter, flow indicating meter and mass flow controller; Air output flow can be controlled by described air-flow control device, and is revised by described air output flow according to pressure, temperature;
Auxiliary conditioning unit, described auxiliary conditioning unit comprises the first magnetic valve, the first manual pressure regulating valve, the 2nd manual pressure regulating valve and the 2nd magnetic valve;
During assembling, compressed air source is connected by pipeline with described first magnetic valve, described first magnetic valve is connected by pipeline with described first manual pressure regulating valve, described first manual pressure regulating valve is connected by pipeline with described first gas-holder, described first gas-holder is connected by pipeline with described 2nd manual pressure regulating valve, described 2nd manual pressure regulating valve is connected by pipeline with described 2nd gas-holder, described 2nd gas-holder is connected by pipeline with described pressure indicator, described pressure indicator is connected by pipeline with described temperature indicating meter, described temperature indicating meter is connected by pipeline with described flow indicating meter, described flow indicating meter is connected by pipeline with described mass flow controller, described mass flow controller is connected by pipeline with described 2nd magnetic valve, described 2nd magnetic valve is connected by pipeline with catalysis device.
2. the catalysis device tonifying Qi equipment for SBC circulation according to claim 1, it is characterised in that, described mass flow controller is electrically connected with the catalysis device gas supply control system circulated for SBC.
3. the catalysis device tonifying Qi equipment for SBC circulation according to claim 2, it is characterised in that, described pipeline is stainless steel tube, and the external diameter of described stainless steel tube is 25mm.
4. the catalysis device tonifying Qi equipment for SBC circulation according to claim 3, it is characterised in that, described first magnetic valve and described 2nd magnetic valve are electric-controlled switch valve.
5. the catalysis device tonifying Qi equipment for SBC circulation according to claim 4, it is characterised in that, described pressure indicator is tensimeter; Thermometer is counted in the instruction of described temperature; Rate of flow meter is counted in the instruction of described flow.
6. the catalysis device gas supply control system for SBC circulation, it is characterised in that, the described catalysis device gas supply control system for SBC circulation includes the catalysis device tonifying Qi equipment for SBC circulation as described in item as arbitrary in the claims 1-5;
The described catalysis device gas supply control system for SBC circulation also comprises:
Control device, described control device by the air inlet flow of engine during input original state and fuel flow, can calculate and arrange the initial flow that circulation air sprays;
Signal pickup assembly, described signal pickup assembly can receive the triggering signal that the on-off model of the enriching oil spout start/stop time of engine sprays as air; Described signal pickup assembly can gather air-fuel ratio in real time and compare with standard air-fuel ratio, and can jointly form negative feedback closed loop control with described mass flow controller;
Communication device, described mass flow controller according to the communications protocol specified by described mass flow controller, can be carried out real-time communication by the mode of serial communication by described communication device; Described communication device can send the output order of described mass flow controller, and feeds back the temperature value, force value and the real-time flow data that currently flow through air;
During assembling, the described catalysis device tonifying Qi equipment for SBC circulation is connected with described signal pickup assembly and described communication device respectively, and described signal pickup assembly is connected with described communication device, and described communication device is connected with described control device.
7. the catalysis device gas supply control system for SBC circulation according to claim 6, it is characterised in that, comprising:
Device is checked in display, and described display checks that device is connected with described control device and described communication device respectively;
Described display checks that monitoring variable, sampling quantity and manipulated variable can be shown by device by the mode of numerical value or curve; Described display checks that sampled value, controlling valu and calculated value can be taked the animation mode of industrial configuration pattern to present control process and control effects in real time by device, and can display alarm information, historical data and curve.
8. the catalysis device gas supply control system for SBC circulation according to claim 7, it is characterized in that, described signal pickup assembly can also gather at least two thermocouple signal values in real time, a described thermocouple signal value can be used in the temperature rise effect of monitoring catalysis device and sends overheated warning when temperature over-range, and thermocouple signal value described in another can be used in auxiliary monitoring;
The described catalysis device gas supply control system for SBC circulation also comprises:
Warning device, with described control device, described communication device and described display, described warning device checks that device is connected respectively; Described warning device can arrange warning higher limit, warning higher limit, warning lower value and low alarm limit value respectively, and upper limit alarm processing mode and lower limit alert process mode.
9. the catalysis device gas supply control system for SBC circulation according to claim 8, it is characterised in that, comprising:
Historic records storing device, described historic records storing device is connected with described control device, described communication device and described warning device respectively;
Described monitoring variable, described sampling quantity, described manipulated variable and described sampled value, described controlling valu and described calculated value can be stored by described historic records storing device.
10. the catalysis device gas supply control system for SBC circulation according to claim 9, it is characterised in that, comprising:
Authorization device, described authorization device is connected with described control device; Described authorization device by machine code and can authorize the form of code that the described catalysis device gas supply control system for SBC circulation is carried out checking mandate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006607.5U CN205277559U (en) | 2016-01-05 | 2016-01-05 | Be used for SBC endless catalyst converter tonifying qi equipment and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006607.5U CN205277559U (en) | 2016-01-05 | 2016-01-05 | Be used for SBC endless catalyst converter tonifying qi equipment and control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277559U true CN205277559U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620006607.5U Withdrawn - After Issue CN205277559U (en) | 2016-01-05 | 2016-01-05 | Be used for SBC endless catalyst converter tonifying qi equipment and control system thereof |
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| Country | Link |
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| CN (1) | CN205277559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443211A (en) * | 2016-01-05 | 2016-03-30 | 北京卡达克汽车检测技术中心 | Catalyst air supplement equipment for SBC circulation and control system thereof |
-
2016
- 2016-01-05 CN CN201620006607.5U patent/CN205277559U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443211A (en) * | 2016-01-05 | 2016-03-30 | 北京卡达克汽车检测技术中心 | Catalyst air supplement equipment for SBC circulation and control system thereof |
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