CN103454091B - The flowing property token test device of internal combustion engine tee air inlet-outlet pipe - Google Patents
The flowing property token test device of internal combustion engine tee air inlet-outlet pipe Download PDFInfo
- Publication number
- CN103454091B CN103454091B CN201310415079.XA CN201310415079A CN103454091B CN 103454091 B CN103454091 B CN 103454091B CN 201310415079 A CN201310415079 A CN 201310415079A CN 103454091 B CN103454091 B CN 103454091B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- variable valve
- port
- sensor
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Flow Control (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a kind of flowing property token test device of internal combustion engine tee air inlet-outlet pipe, comprise testpieces, pipeline, blower fan, variable-frequency motor, variable valve, Steady-flow flowmeter, sensor, voltage stabilizing bucket, transition conduit and some flexible pipes; Three ports of testpieces are also connected with three transition conduit, three transition conduit optionally by flexible pipe or directly and three pipelines be interconnected between two respectively, realize the switching of the connected mode of multiple triplate line.The present invention passes through the break-make of optionally regulating and controlling valve, regulate the airflow direction in pipeline, realize with the gas flow pattern of the first port two kinds of forms that are beginning or end respectively, and then realize whole six kinds of flow patterns of threeway air inlet-outlet pipe, comprise three kinds of affluent-dividings and three kinds of aggregated flows, and the flow performance of six kinds of flow patterns is measured, structure is simple, flexible operation, has higher versatility.
Description
Technical field
The present invention relates to the test unit of internal combustion engine, particularly relate to the flowing property token test device of internal combustion engine tee air inlet-outlet pipe.
Background technology
The intake and exhaust pipeline of internal combustion engine is as the important component part of pressure charging system, and its flowing property feature directly has influence on the performance level of diesel engine.Crucial pipeline and the test of valve member negotiability are the only way which must be passed that engine breathing circuit design is optimized, and are also important rings of engine performance exploitation.At present, major part research concentrates on inlet manifold and the cylinder cap entering and exhaust channel of vehicular engine, define the product of a collection of maturation, namely the air flue blowing testing table as the exploitation of internal combustion engine National Key Laboratory of University Of Tianjin is a kind of ripe platform (Chinese patent 02128945.X) of widespread use.
But the requirement tested of drying of intake and exhaust pipeline and air flue also exists difference.From structure, the topological structure of intake and exhaust pipeline is more complicated, generally can regard multiple threeway unit composition as; And the complex-shaped but topological structure of air flue relatively simple (single-pass structure).From research contents, the negotiability of air flue blowing experimental study air flue and its organize the ability of gas in the jar eddy current, and intake and exhaust pipeline mainly pays close attention to the negotiability of pipeline, influencing each other especially when polymerization and diverted flow between air-flow, this point cannot launch research on air flue test stand.
For the threeway unit of air inlet-outlet pipe, its flow pattern can be divided into six kinds, and as shown in figs 1 to 6, sets forth six kinds of flow pattern schematic diagram of air inlet-outlet pipe threeway unit, arrow represents the flow direction of air-flow.Wherein, the flow pattern that Fig. 1-Fig. 3 shows is affluent-dividing, and the flow pattern that Fig. 4-Fig. 6 shows is aggregated flow.Circulation pattern measurement for triplate line unit six kinds of flow patterns has been reported.As, British scholar Bassett etc. disclose a kind of flow table for marine diesel in document " ModelingEngineswithPulseConvertedExhaustManifoldsUsingOn e-DimensionalTechniques ", and the flow performance that can carry out the triplate line such as pulse converter, MPC gas outlet is measured.The Zhang little Mao etc. of the Central China University of Science and Technology of China also discloses a kind of Test-bed Design scheme of diesel engine air inlet-outlet pipe drive test amount in document " design and evaluation of engine intake and exhaust system constant current testing device ".But this testing table is the specialized designs for a certain special interface testpieces, and for three-way pipe, not only to consider the change of interface diameter, also will consider the change of threeway space structure, therefore the testing table of this structure exist interface dumb, not there is the shortcomings such as versatility.
At present, there is following problem in existing flow measurement testing table:
1, the cylinder cap current stabilization blowing testing table of technology maturation, the flow performance that simultaneously can only carry out single-pass (import one exports, and does not occur polymerization and the Bifurcation Phenomenon of flowing) pipeline is measured.
2, for the flow measurement testing table of threeway class pipeline exploitation, General System is huge, and piping is complicated, and the three-way pipe flow performance that directly can not carry out different-diameter or distinct interface locus is measured.
3, under a certain flow pattern, the flow measurement under branch road different flow ratio can not be realized.
Therefore, those skilled in the art is devoted to develop that a kind of structure is simple, flexible operation, directly can carry out the test unit of the three-way pipe flow performance research of different-diameter or distinct interface locus.
Summary of the invention
Because the above-mentioned defect of prior art, technical matters to be solved by this invention is to provide that a kind of structure is simple, the flowing property token test device of the internal combustion engine tee air inlet-outlet pipe of flexible operation, the flow performance measurement of tee pipe fitting respectively under six kinds of flow patterns of different latus rectum, difformity, different spaces angle can be realized, and under single kind of flow pattern, the flow performance that can realize under two branch road different flow ratios is measured.
For achieving the above object, the invention provides a kind of flowing property token test device of internal combustion engine tee air inlet-outlet pipe, it comprises testpieces, supervisor system, motor and transition conduit; Testpieces has the first port, the second port and the 3rd port; Supervisor system comprises the first pipeline, the second pipeline and the 3rd pipeline; Transition conduit comprises First Transition pipe, the second transition conduit and the 3rd transition conduit.First pipeline is provided with the first Steady-flow flowmeter, the first voltage stabilizing bucket, blower fan, the second voltage stabilizing bucket and the second Steady-flow flowmeter that connect successively, forms closed circuit; First voltage stabilizing bucket is provided with the bypass that the first variable valve leads to external environment, and the second voltage stabilizing bucket is provided with the bypass that the second variable valve leads to external environment.Second pipeline comprises the first tributary and the second tributary, the first tributary is provided with the 3rd variable valve and the 3rd Steady-flow flowmeter that connect successively, the 3rd Steady-flow flowmeter and external environment connect; Second tributary is provided with the 4th variable valve and the 4th Steady-flow flowmeter that connect successively, the 4th Steady-flow flowmeter and external environment connect.3rd pipeline is provided with the 5th variable valve, and and external environment connect.Blower fan is electrically connected with variable-frequency motor, and blower fan realizes driving by variable-frequency motor, for maintaining the gas flowing in test unit; First port, second port of testpieces are optionally connected between two with the first pipeline, the second pipeline and the 3rd pipeline respectively by First Transition pipe, the second transition conduit and the 3rd transition conduit with the 3rd port, thus realize the switching of multiple connected mode.
Further, described test unit also comprises TT&C system, and the first port of testpieces is also provided with first sensor, and the second port is also provided with the second sensor, and the 3rd port is also provided with the 3rd sensor; First voltage stabilizing bucket is also connected with four-sensor, second voltage stabilizing bucket is also connected with the 5th sensor, TT&C system is connected with the 5th variable valve with first sensor, the second sensor, the 3rd sensor, four-sensor, the 5th sensor, the first variable valve, the second variable valve, the 3rd variable valve, the 4th variable valve, and according to the sensing signal of first sensor, the second sensor, the 3rd sensor, four-sensor and the 5th sensor, control the first variable valve, the second variable valve, the 3rd variable valve, the 4th variable valve and the 5th variable valve.The sensor comprises temperature sensor, pressure transducer etc., for signals such as monitor temperature, pressure, pressure reduction.
Preferably, variable valve comprises hand valve and motorized valve; First variable valve, the second variable valve are hand valve; 3rd variable valve, the 4th variable valve, the 5th variable valve are motorized valve.
Alternatively, described test unit also comprises flexible pipe, and the first port of testpieces is connected to the first pipeline by First Transition pipe; Second port is connected to the second pipeline by the second transition conduit, flexible pipe successively; 3rd port is connected to the 3rd pipeline by the 3rd transition conduit, flexible pipe successively.
Alternatively, testpieces first port is connected to the 3rd pipeline by First Transition pipe and flexible pipe successively; Second port is connected to the second pipeline by the second transition conduit and flexible pipe successively; 3rd port is connected to the first pipeline by the 3rd transition conduit.
Alternatively, the first port of testpieces is connected to the second pipeline by First Transition pipe and flexible pipe successively; Second port is connected to the first pipeline by the second transition conduit; 3rd port is connected to the 3rd pipeline by the 3rd transition conduit and flexible pipe successively.
Further, flexible pipe is corrugated tube or PVC steel wire tube.
Further, motorized valve and hand valve optionally break-make, for regulating the airflow direction in pipeline; Motorized valve optionally can also regulate aperture, for regulating the air-flow size in pipeline.
Further, testpieces is MPC gas outlet or pulse converter.
MPC(ModularPulseConverter) module type pulse converter is referred to.
In better embodiment of the present invention, a flowing property token test device for internal combustion engine tee air inlet-outlet pipe, comprises the testpieces with three ports, three pipelines, blower fan, the variable-frequency motor be electrically connected with blower fan, five variable valve, four Steady-flow flowmeters, five sensors, two voltage stabilizing buckets, three transition conduit and some flexible pipes; First port of testpieces is connected with one end of the first pipeline, and the first pipeline is also provided with the first Steady-flow flowmeter, the first voltage stabilizing bucket, blower fan, the second voltage stabilizing bucket, the second Steady-flow flowmeter that connect successively, forms closed circuit; First voltage stabilizing bucket, the second voltage stabilizing bucket are respectively arranged with the bypass that manually valve leads to external environment.Second port of testpieces is connected with one end of the second pipeline, and the other end of the second pipeline is divided into two tributaries, and the first tributary connects external environment by motorized valve, Steady-flow flowmeter successively; Second tributary connects external environment by motorized valve, Steady-flow flowmeter successively.3rd port of testpieces is connected with one end of the 3rd pipeline, and the other end of the 3rd pipeline is connected with external environment by motorized valve; Three ports of voltage stabilizing bucket and testpieces are also respectively arranged with the sensor for monitor temperature, pressure, pressure reduction.Also be provided with transition conduit between the port of testpieces and pipeline, transition conduit optionally by flexible pipe or directly and three pipelines be interconnected between two respectively, realize the switching of the connected mode of three kinds of triplate lines.Hand valve is break-make or motorized valve optionally break-make or regulate aperture, for regulating airflow direction in pipeline and air-flow size optionally.
As can be seen here, the present invention has following beneficial effect:
1, the break-make of optionally regulating and controlling valve is passed through, regulate the airflow direction in pipeline, realize with the gas flow pattern of the first port two kinds of forms that are beginning or end respectively, in conjunction with above-mentioned three kinds of connected modes of triplate line, realize whole six kinds of flow patterns of threeway air inlet-outlet pipe, comprise three kinds of affluent-dividings and three kinds of aggregated flows, and the flow performance of six kinds of flow patterns is measured.
2, by the apolegamy of transition conduit, the pipeline latus rectum of pipeline and port interface size, the unmatched problem of shape of testpieces can be solved, and then realize different latus rectum, difform tee pipe fitting respectively at six kinds of flow pattern current downflow pattern measurements, structure is simple, flexible operation, has higher versatility.
3, by the employing of flexible pipe, the space angle temperature that the pipeline that can solve different flow pattern lower pipeline is connected with testpieces; Adopt the flexible pipe of special substance, comprise corrugated tube and PVC steel wire tube etc., high pressure and the condition of high vacuum degree of test can be born.
4, the present invention can also the aperture of optionally regulating and controlling valve, and regulate the uninterrupted of the second pipeline, the 3rd pipeline in triplate line, the flow performance realized under different flow pattern in triplate line, different flow ratio is measured.
5, testpieces of the present invention is the air inlet-outlet pipe such as MPC gas outlet or pulse converter, is applicable to the measurement of Marine High-power Diesel Engine triplate line flowing property feature.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1, Fig. 2 and Fig. 3 are the flow pattern schematic diagram of the affluent-dividing of typical air inlet-outlet pipe threeway unit;
Fig. 4, Fig. 5 and Fig. 6 are the flow pattern schematic diagram of the aggregated flow of typical air inlet-outlet pipe threeway unit;
Fig. 7 is the structural representation of the flowing property token test device of internal combustion engine tee air inlet-outlet pipe in preferred embodiment of the present invention;
The connected mode schematic diagram that Fig. 8, Fig. 9 and Figure 10 are testpieces of the present invention when being MPC gas outlet;
The connected mode schematic diagram that Figure 11 and Figure 12 is testpieces of the present invention when being pulse converter.
Embodiment
As shown in Figure 7, the flowing property token test device of a kind of internal combustion engine tee air inlet-outlet pipe in preferred embodiment of the present invention, it comprises testpieces 701, blower fan 702, motor 703, flowing piping, variable valve, Steady-flow flowmeter, sensor, voltage stabilizing bucket, transition conduit and flexible pipe.Wherein, testpieces 701 is three-way pipe, has three ports, is respectively the first port 704, second port 705 and the 3rd port 706; Flowing piping comprises three pipelines, and be respectively the first pipeline 707, second pipeline 714 and the 3rd pipeline 721, these three pipelines coordinate with three ports of testpieces 701 respectively.
Particularly, first port 704 of testpieces 701 is connected with one end of the first pipeline 707, first pipeline 707 is made up of total pipeline and branch line, branch line is provided with the first Steady-flow flowmeter 708, the first voltage stabilizing bucket 709, blower fan 702, second voltage stabilizing bucket 710 and the second Steady-flow flowmeter 711 that connect successively, constitutes a closed circuit.Total pipeline is connected between the first Steady-flow flowmeter 708 and the second Steady-flow flowmeter 711, and the first port 704 of testpieces 701 is connected with the first pipeline 707 by being connected with total pipeline.First voltage stabilizing bucket 709 is provided with the bypass that the first variable valve 712 leads to external environment, and the second voltage stabilizing bucket 710 is provided with the bypass that the second variable valve 713 leads to external environment.
Second port 705 of testpieces 701 is connected with one end of the second pipeline 714, and the second pipeline 714 comprises the first tributary pipeline 715 and the second tributary pipeline 718.First tributary pipeline 715 is provided with the 3rd variable valve 716 that connects successively and the 3rd Steady-flow flowmeter the 717, three variable valve 716 is connected with the second port 705 of testpieces 701, the 3rd Steady-flow flowmeter 717 is connected with external environment; Second tributary 718 is provided with the 4th variable valve 719 that connects successively and the 4th Steady-flow flowmeter the 720, four variable valve 719 is connected with the second port 705 of testpieces 701, the 4th Steady-flow flowmeter 720 is connected with external environment.
3rd port 706 of testpieces 701 is connected with one end of the 3rd pipeline 721, the 3rd pipeline 721 is provided with the 5th variable valve 722, and is connected with external environment by the 5th variable valve 722.
Above-mentioned external environment all refers to atmospheric environment.
Blower fan 702 is electrically connected with motor 703, and the inlet scoop of blower fan 702 connects the outlet of the first voltage stabilizing bucket 709, and the blowing mouth of blower fan 702 connects the entrance of the second voltage stabilizing bucket 710, and blower fan 702 realizes driving by motor 703, for maintaining the gas flowing in piping.
Preferably, motor 703 is variable-frequency motor.
In addition, the first port 704 of testpieces 701 is also provided with first sensor 723, and the second port 705 is also provided with the second sensor the 724, three port 706 and is also provided with the 3rd sensor 725; First voltage stabilizing bucket 709 is also connected with four-sensor 726, and the second voltage stabilizing bucket 710 is also connected with the 5th sensor 727.The sensor comprises temperature sensor or pressure transducer differential pressure sensor, may be used for the temperature, pressure, pressure reduction etc. of measuring testpieces port or air blowing voltage stabilizing bucket.
Also be provided with transition conduit between three ports of testpieces and three pipelines, correspond to First Transition pipe 728, second transition conduit 729 and the 3rd transition conduit 730 respectively.One end of transition conduit is connected with the corresponding port of testpieces, the other end of transition conduit can optionally by flexible pipe or directly and three pipelines be interconnected between two respectively, realize the switching of the connected mode of multiple triplate line.
In the internal combustion engine air-exhausting air-entering pipeline that the present invention relates to, testpieces can be managed for MPC, can be pulse converter, but be not limited thereto.
When testpieces is MPC pipe, Fig. 8 gives the schematic diagram of the connected mode of the first air inlet-outlet pipe, three ports of MPC pipe 801 connect First Transition pipe 728, second transition conduit 729 respectively, the 3rd transition conduit 730, first port 802 is connected to the first pipeline 707 by First Transition pipe 728; Second port 803 is connected to the second pipeline 714 by the second transition conduit 729, first flexible pipe 804 successively; 3rd port 805 is connected to the 3rd pipeline 721 by the 3rd transition conduit 730, second flexible pipe 806 successively.Wherein, the first flexible pipe 804 be connected between the second transition conduit 729 with the second pipeline 714 is PVC steel wire tube; The second flexible pipe 806 be connected between 3rd transition conduit 730 with the 3rd pipeline 721 is corrugated tube.
Fig. 9 gives the schematic diagram of the connected mode of the testpieces of the second MPC air inlet-outlet pipe, three ports of MPC pipe 801 connect First Transition pipe 728, second transition conduit 729 respectively, the 3rd transition conduit 730, first port 802 is connected to the 3rd pipeline 721 by First Transition pipe 728, the 3rd flexible pipe 901 successively; Second port 803 is connected to the second pipeline 714 by the second transition conduit 729, the 4th flexible pipe 902 successively; 3rd port 805 is connected to the first pipeline 707 by the 3rd transition conduit 730.Wherein, the 3rd flexible pipe 901 be connected between First Transition pipe 728 with the 3rd pipeline 721 is PVC steel wire tube; Second transition conduit 729 and the second pipeline 714 between the 4th flexible pipe 902 that is connected be corrugated tube.
Figure 10 gives the schematic diagram of the connected mode of the testpieces of the third MPC air inlet-outlet pipe, three ports of MPC pipe 801 connect First Transition pipe 728, second transition conduit 729 respectively, the 3rd transition conduit 730, first port 802 is connected to the second pipeline 714 by First Transition pipe 728, the 5th flexible pipe 101 successively; Second port 803 is connected to the first pipeline 707 by the second transition conduit 729; 3rd port 805 is connected to the 3rd pipeline 721 by the 3rd transition conduit 730, the 6th flexible pipe 102 successively.Wherein, the 5th flexible pipe 101 be connected between First Transition pipe 728 with the second pipeline 714 is PVC steel wire tube; The 6th flexible pipe 102 be connected between 3rd transition conduit 730 with the 3rd pipeline 721 is PVC steel wire tube.
Certainly, above-mentioned flexible pipe can be PVC steel wire tube or other, no longer limit at this, as long as meet real space angle and distance connect needs.
For the connected mode of the testpieces of above-mentioned three kinds of MPC air inlet-outlet pipes, by the break-make of optionally regulating and controlling valve, airflow direction in adjustable pipeline system, realize respectively with the first port be starting point, the second port and the 3rd port be starting point for terminal or with the second port and the 3rd port, measure with the flow performance of the first port two types that are terminal.
Below for the connected mode of the testpieces of the MPC air inlet-outlet pipe of Fig. 8, composition graphs 7, its specific works process is as follows:
When measuring with the flowing that is starting point of the first port, governor valve control strategy is: the first variable valve 712 is opened, the 3rd variable valve 716 and the 5th variable valve 722 are opened, and the second variable valve 713 and the 4th variable valve 719 are closed.Under the effect of blower fan 702, the flow direction of air-flow is: external environment---the first variable valve 712---and the first voltage stabilizing bucket 709---blower fan 702---the second voltage stabilizing bucket 710---air blowing pipeline---the second Steady-flow flowmeter 711---air blowing pipeline---the total pipeline of the first pipeline 707---the first port 704---branch one (the second port 705---the second pipeline 714---air blowing pipeline---the 3rd variable valve 716---air blowing pipeline---the 3rd Steady-flow flowmeter 717---air blowing pipeline)/branch two (the 3rd port 706---the 3rd pipeline 721---the 5th variable valve 722---air blowing pipeline)---external environment, thus realize the affluent-dividing flow pattern in Fig. 2.
When the flowing that measurement is terminal with the first port, governor valve control strategy is: the first variable valve 712 and the 3rd variable valve 716 are closed, and the second variable valve 713, the 4th variable valve 719 and the 5th variable valve 722 are opened.Under the effect of blower fan, air current flow direction is: external environment---branch one (suction line---the 4th Steady-flow flowmeter 720---suction line---the 4th variable valve 719---suction line---the second pipeline 714---the second port 705)/branch two (suction line---the 5th variable valve 722---the 3rd pipeline 721---the 3rd port 706)---the first port 704---the first pipeline 707---suction line---the first Steady-flow flowmeter 708---suction line---the first voltage stabilizing bucket 709---blower fan 702---the second voltage stabilizing bucket 710---second variable valve 713---external environment, thus realize the aggregated flow flow pattern in Fig. 5.
Similarly, the connected mode of the testpieces of the MPC air inlet-outlet pipe of Fig. 7 composition graphs 9, can realize the affluent-dividing flow pattern in Fig. 3 and the aggregated flow flow pattern in Fig. 6; Fig. 7, in conjunction with the connected mode of the testpieces of the MPC air inlet-outlet pipe of Figure 10, can realize the affluent-dividing flow pattern in Fig. 1 and the aggregated flow flow pattern in Fig. 4.
Preferably, the first variable valve and the second variable valve are hand valve, optionally realize break-make, for regulating the airflow direction in the first pipeline.3rd variable valve, the 4th variable valve and the 5th variable valve are motorized valve, optionally realize break-make or regulate aperture, for regulating airflow direction in the second pipeline and the 3rd pipeline and air-flow size.By controlling the break-make of hand valve and motorized valve, the gas flow pattern of two kinds of forms that generation is beginning or end with the first port, in conjunction with three kinds of connected modes of triplate line, realize whole six kinds of flow patterns of threeway air inlet-outlet pipe, comprise three kinds of affluent-dividings and three kinds of aggregated flows.Further, by regulating the aperture of motorized valve, in conjunction with the data acquisition with Steady-flow flowmeter, the flow performance that can realize the different flow of above-mentioned six kinds of flow patterns is measured, and is applicable to the measurement of Marine High-power Diesel Engine triplate line flowing property feature.
Preferably, this invention takes feedback semiautomatic control for realize triplate line two branch road different flow ratios under flow performance measure, control principle is as follows: TT&C system is connected with each flowmeter and motorized valve, and gather the flow of two-way branch by flowmeter and automatically calculate flow proportional as feedback, by the adjustable motorized valve in TT&C system interface, until make the flow proportional of two-way branch meet test request, after confirming, TT&C system can carry out automatic record.In addition, the flow that system also has guaranteed flow less Na mono-tunnel can be greater than the minimum flow that measuring accuracy requires all the time.TT&C software also has and automatically identifies design, and software can according to the position of manually-operated gate and testpieces, automatic discrimination current test flow pattern, and selects corresponding electrically-controlled valve to carry out adjustment and flow parameter calculates.
In addition, the present invention is by the apolegamy of transition conduit, the pipeline latus rectum of pipeline and port interface size, the unmatched problem of shape of testpieces can be solved, and then realize different latus rectum, difform tee pipe fitting respectively at six kinds of flow pattern current downflow pattern measurements, structure is simple, flexible operation, has higher versatility.By the employing of flexible pipe, the space angle temperature that the pipeline that can solve different flow pattern lower pipeline is connected with testpieces; Adopt the flexible pipe of special substance, comprise corrugated tube and PVC steel wire tube, high pressure and the condition of high vacuum degree of actual experiment can be born.
As shown in figure 11, the schematic diagram MPC air inlet-outlet pipe in Fig. 8 being replaced with the connected mode of the testpieces of pulse converter 111 is given.Pulse converter 111 has three ports, is respectively the first port 112, second port one 13, the 3rd port one 14.The connection of these three ports and pipeline system of the present invention is similar to the method for attachment of MPC air inlet-outlet pipe in Fig. 8, does not repeat them here, for realizing the liquid form of two kinds of triplate lines.
Figure 12 gives the schematic diagram MPC air inlet-outlet pipe in Figure 10 being replaced with the connected mode of the testpieces of pulse converter 121.Three ports of pulse converter are respectively the first port 122, second port one 23, the 3rd port one 24.The connection of these three ports and pipeline system of the present invention is similar to the method for attachment of MPC air inlet-outlet pipe in Fig. 9, does not repeat them here.Notice that pulse converter is symmetrical structure, the connected mode of the testpieces of the pulse converter therefore in Figure 12 also can be understood as the schematic diagram MPC air inlet-outlet pipe in Figure 10 being replaced with the connected mode of the testpieces of pulse converter 121.Thus the liquid form of four kinds of different triplate lines can be realized.
The present invention also considers the switching of different tests part, have employed building block design, and channel bend and three-way connection can rotate or horizontal displacement layout as required, thus solves the spatial joins Distance geometry angle problem of different tests part and pipeline system.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that the ordinary skill of this area just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (9)
1. a flowing property token test device for internal combustion engine tee air inlet-outlet pipe, is characterized in that, comprises testpieces, supervisor system, motor and transition conduit;
Described testpieces has the first port, the second port and the 3rd port;
Described supervisor system comprises the first pipeline, the second pipeline and the 3rd pipeline;
Described transition conduit comprises First Transition pipe, the second transition conduit and the 3rd transition conduit;
Described first pipeline is provided with the first Steady-flow flowmeter, the first voltage stabilizing bucket, blower fan, the second voltage stabilizing bucket and the second Steady-flow flowmeter that connect successively, forms closed circuit; Described first voltage stabilizing bucket is provided with the bypass that the first variable valve leads to external environment, and described second voltage stabilizing bucket is provided with the bypass that the second variable valve leads to external environment;
Described second pipeline comprises the first tributary and the second tributary, described first tributary is provided with the 3rd variable valve and the 3rd Steady-flow flowmeter that connect successively, described 3rd Steady-flow flowmeter and external environment connect; Described second tributary is provided with the 4th variable valve and the 4th Steady-flow flowmeter that connect successively, described 4th Steady-flow flowmeter and external environment connect;
Described 3rd pipeline is provided with the 5th variable valve, and and external environment connect;
Described blower fan is electrically connected with variable-frequency motor, and described blower fan realizes driving by described variable-frequency motor, for maintaining the gas flowing in piping;
Described first port of described testpieces, described second port are optionally connected with described first pipeline, described second pipeline and described 3rd pipeline respectively by described First Transition pipe, described second transition conduit and described 3rd transition conduit between two with described 3rd port, thus realize the switching of multiple connected mode;
The flowing property token test device of described internal combustion engine tee air inlet-outlet pipe also comprises TT&C system, described first port of described testpieces is also provided with first sensor, described second port is also provided with the second sensor, and described 3rd port is also provided with the 3rd sensor, described first voltage stabilizing bucket is also connected with four-sensor, described second voltage stabilizing bucket is also connected with the 5th sensor, described TT&C system and described first sensor, described second sensor, described 3rd sensor, described four-sensor, described 5th sensor, described first variable valve, described second variable valve, described 3rd variable valve, described 4th variable valve is connected with described 5th variable valve, and according to described first sensor, described second sensor, described 3rd sensor, the sensing signal of described four-sensor and described 5th sensor, control described first variable valve, described second variable valve, described 3rd variable valve, described 4th variable valve and described 5th variable valve.
2. the flowing property token test device of internal combustion engine tee air inlet-outlet pipe as claimed in claim 1, wherein, described sensor is temperature sensor or pressure transducer.
3. the flowing property token test device of internal combustion engine tee air inlet-outlet pipe as claimed in claim 1, wherein, described variable valve comprises hand valve and motorized valve; Described first variable valve, the second variable valve are hand valve; Described 3rd variable valve, the 4th variable valve, the 5th variable valve are motorized valve.
4. the flowing property token test device of internal combustion engine tee air inlet-outlet pipe as claimed in claim 3, wherein, described first variable valve, described second variable valve, described 3rd variable valve, described 4th variable valve and described 5th variable valve optionally break-make, for regulating the airflow direction in pipeline; Described 3rd variable valve, described 4th variable valve and described 5th variable valve optionally regulate aperture, for regulating the air-flow size in pipeline.
5. the flowing property token test device of internal combustion engine tee air inlet-outlet pipe as claimed in claim 1, wherein, also comprise two flexible pipes, described first port is connected to described first pipeline by described First Transition pipe; Described second port is connected to described second pipeline by described second transition conduit and described flexible pipe successively; Described 3rd port is connected to the 3rd pipeline by described 3rd transition conduit and described flexible pipe successively.
6. the flowing property token test device of internal combustion engine tee air inlet-outlet pipe as claimed in claim 1, wherein, also comprise two flexible pipes, described first port is connected to described 3rd pipeline by described First Transition pipe and described flexible pipe successively; Described second port is connected to described second pipeline by described second transition conduit and described flexible pipe successively; Described 3rd port is connected to described first pipeline by described 3rd transition conduit.
7. the flowing property token test device of internal combustion engine tee air inlet-outlet pipe as claimed in claim 1, wherein, also comprise two flexible pipes, described first port is connected to described second pipeline by described First Transition pipe and described flexible pipe successively; Described second port is connected to described first pipeline by described second transition conduit; Described 3rd port is connected to described 3rd pipeline by described 3rd transition conduit and described flexible pipe successively.
8. the flowing property token test device of the internal combustion engine tee air inlet-outlet pipe according to any one of claim 5 ~ 7, wherein, described flexible pipe is corrugated tube or PVC steel wire tube.
9. the flowing property token test device of internal combustion engine tee air inlet-outlet pipe as claimed in claim 1, wherein, described testpieces is MPC gas outlet or pulse converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415079.XA CN103454091B (en) | 2013-09-12 | 2013-09-12 | The flowing property token test device of internal combustion engine tee air inlet-outlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415079.XA CN103454091B (en) | 2013-09-12 | 2013-09-12 | The flowing property token test device of internal combustion engine tee air inlet-outlet pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103454091A CN103454091A (en) | 2013-12-18 |
| CN103454091B true CN103454091B (en) | 2016-02-10 |
Family
ID=49736706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310415079.XA Active CN103454091B (en) | 2013-09-12 | 2013-09-12 | The flowing property token test device of internal combustion engine tee air inlet-outlet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103454091B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410748A (en) * | 2002-08-23 | 2003-04-16 | 天津大学 | Internal combustion engine gas path flow performance permanent flow test variable pressure difference test method |
| CN101514940A (en) * | 2008-11-28 | 2009-08-26 | 江苏大学 | Flow characteristics tester for intake and exhaust system of small gasoline engine and exhaust control method |
| US7631550B2 (en) * | 2004-07-09 | 2009-12-15 | Denso Corporation | Air-fuel ratio controller for internal combustion engine and diagnosis apparatus for intake sensors |
| CN101655413A (en) * | 2009-09-29 | 2010-02-24 | 天津大学 | Testing device for quickly detecting flow property parameters of air passage of internal combustion engine |
| JP2012137374A (en) * | 2010-12-27 | 2012-07-19 | Horiba Ltd | Exhaust gas analysis system and exhaust gas analysis method |
| CN203249770U (en) * | 2013-04-01 | 2013-10-23 | 中国船舶重工集团公司第七一一研究所 | Flowing performance characteristic testing device for internal combustion engine three-way intake/exhaust pipe |
-
2013
- 2013-09-12 CN CN201310415079.XA patent/CN103454091B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410748A (en) * | 2002-08-23 | 2003-04-16 | 天津大学 | Internal combustion engine gas path flow performance permanent flow test variable pressure difference test method |
| US7631550B2 (en) * | 2004-07-09 | 2009-12-15 | Denso Corporation | Air-fuel ratio controller for internal combustion engine and diagnosis apparatus for intake sensors |
| CN101514940A (en) * | 2008-11-28 | 2009-08-26 | 江苏大学 | Flow characteristics tester for intake and exhaust system of small gasoline engine and exhaust control method |
| CN101655413A (en) * | 2009-09-29 | 2010-02-24 | 天津大学 | Testing device for quickly detecting flow property parameters of air passage of internal combustion engine |
| JP2012137374A (en) * | 2010-12-27 | 2012-07-19 | Horiba Ltd | Exhaust gas analysis system and exhaust gas analysis method |
| CN203249770U (en) * | 2013-04-01 | 2013-10-23 | 中国船舶重工集团公司第七一一研究所 | Flowing performance characteristic testing device for internal combustion engine three-way intake/exhaust pipe |
Non-Patent Citations (1)
| Title |
|---|
| 发动机进排气系统稳流试验装置的设计与研制;张小矛等;《小型内燃机与摩托车》;20031231;第32卷(第2期);第1-3页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103454091A (en) | 2013-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202471374U (en) | Multifunctional airtightness detection apparatus | |
| CN202141562U (en) | Coal-fired boiler air preheater air leakage on-line monitoring device | |
| CN203745051U (en) | Two-position one-way reversing valve type pVTt-method gas flow device | |
| CN103759793A (en) | Calibration device and method for gas flow meter | |
| CN105091956A (en) | Engine air intake flow measuring device and engine system | |
| CN104316117A (en) | Flow measuring device | |
| CN207081470U (en) | A kind of sonic nozzle calibrating installation | |
| CN106935125A (en) | Fluid flow resistance and flow measurement self assembly experimental provision and its application method | |
| CN104502161A (en) | Calibration equipment of dust sampler | |
| CN205607744U (en) | Flue gas mixing arrangement and flue gas measurement system | |
| CN103837215B (en) | Commutation valve type p.V.T.t method gas flow meter | |
| CN203249770U (en) | Flowing performance characteristic testing device for internal combustion engine three-way intake/exhaust pipe | |
| CN203745203U (en) | Device for testing flowing performance characteristics of tee inlet and outlet air pipes of internal combustion engine | |
| CN103454091B (en) | The flowing property token test device of internal combustion engine tee air inlet-outlet pipe | |
| CN103900665A (en) | Container combination and reversing valve type pVTt-method gas flow device | |
| CN202304962U (en) | Air tunnel type speed-area-method air flow calibration device | |
| CN202676412U (en) | Shut-off valve leakage rate on-line detection device | |
| CN215338512U (en) | Calibrating device for orifice flowmeter | |
| CN204346779U (en) | A kind of dust sampler calibrating installation | |
| CN213515916U (en) | Loop flow calibrating device | |
| CN201463944U (en) | Internal type V-cone flowmeter | |
| CN210426717U (en) | Sound velocity nozzle calibrating device | |
| CN206876231U (en) | A kind of Li Tuoba flowmeter structures | |
| CN202903289U (en) | Checking apparatus for flow coefficients of lemniscate flow meters | |
| CN206556732U (en) | A kind of portable standard law gas meter detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee after: The 711 Research Institute of China Shipbuilding Corp. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute |