CN109781417A - A kind of engine rig test water circulating exhaust stable-pressure device - Google Patents
A kind of engine rig test water circulating exhaust stable-pressure device Download PDFInfo
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- CN109781417A CN109781417A CN201811646175.4A CN201811646175A CN109781417A CN 109781417 A CN109781417 A CN 109781417A CN 201811646175 A CN201811646175 A CN 201811646175A CN 109781417 A CN109781417 A CN 109781417A
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- tracheae
- engine
- expansion tank
- pressure device
- water circulating
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- 238000012360 testing method Methods 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000007788 liquid Substances 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 229920005479 Lucite® Polymers 0.000 claims description 3
- 238000003486 chemical etching Methods 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 238000011161 development Methods 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 241000486406 Trachea Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 210000003437 trachea Anatomy 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Testing Of Engines (AREA)
Abstract
The present invention provides a kind of engine rig test water circulating exhaust stable-pressure device applied to engine rig test equipment technical field, tracheae I (1) one end of engine rig test water circulating exhaust stable-pressure device is connected to compressed air air pump (17), tracheae I (1) other end is connected to expansion tank (5), ball valve b (6) are set between tracheae I (1) and compressed air air pump (17), (4) one end tracheae f is connected to the exhaust pipe of engine (7), tracheae I (1) is connected to tracheae d (2) one end, tracheae f (4) other end is connected to tracheae e (3) one end, tracheae d (2) other end is connected to tracheae e (3) and tracheae f (4) engaging portion, engine rig test water circulating exhaust stable-pressure device of the invention, intake pressure needed for being capable of providing bench test engine , and voltage stabilizing function can be realized by outside the remaining removal of bubbles to water circulation system of bench test engine interior.
Description
Technical field
The invention belongs to engine rig test equipment technical fields, are to be related to a kind of engine pedestal more specifically
Test water circulating exhaust stable-pressure device.
Background technique
When engine carries out bench test, in order to guarantee the intake pressure Pass Test operating condition of bench test engine
Requirement, need to control engine test with intake pressure.Current water termostat equipment can not provide engine test
Required intake pressure.And bench test engine still has gas residue in engine machine when adding anti-icing fluid for the first time
In body or water thermostat, along with the effect of water pump, and generate more gases so that the intake pressure fluctuation of engine and
It is uncontrollable, so that the data of engine rig test often have relatively large deviation, it is unfavorable for engine rig test, restricts hair
The research and development process and precision of motivation.
Summary of the invention
The technical problems to be solved by the present invention are: being capable of providing in view of the shortcomings of the prior art, to provide a kind of structure simple
Intake pressure needed for bench test engine, so that water inflow of the engine pressure controllable, and can will be in bench test engine
Portion is remaining and operation process in outside the removal of bubbles to water circulation system that generates, while avoiding the gas in engine-cooling system
The phenomenon that erosion, water temperature over-high, improves test stability and experimental result accuracy to guarantee running smooth for engine test
Engine rig test water circulating exhaust stable-pressure device.
Solve the problems, such as techniques discussed above, the technical scheme adopted by the invention is as follows:
The present invention is a kind of engine rig test water circulating exhaust stable-pressure device, and the engine rig test water follows
It includes tracheae I, tracheae d, tracheae e, tracheae f that ring, which is vented stable-pressure device, and described I one end of tracheae is connected to compressed air air pump,
I other end of tracheae is connected to expansion tank, and ball valve b, the one end tracheae f and engine are arranged between tracheae I and compressed air air pump
Exhaust pipe connection, tracheae I are connected to the one end tracheae d, and the tracheae f other end is connected to the one end tracheae e, the tracheae d other end and tracheae e
It is connected to the engaging portion tracheae f, the tracheae e other end is connected to evaporator, and evaporator is connected to water inflow of the engine pipe, and evaporator is simultaneously
It is connected to expansion tank, the evaporator is connected to cooling water pipe of engine, and the engine is bench test with starting
Machine.
The tracheae I includes tracheae a, tracheae c, and described one end tracheae a is connected to ball valve b, the one end tracheae c and expansion
Kettle connection, the tracheae a other end, the tracheae c other end, the one end tracheae d are connected to by threeway I, what tracheae c was connected to expansion tank
One end is connected to the threeway II in expansion tank, and the tracheae d other end, the tracheae f other end, the tracheae e other end are connected by threeway III
It is logical.
The expansion tank includes vertically arranged liquid level charactron, and threeway II is mounted on liquid level charactron, tracheae c
It is connected to the threeway II on liquid level charactron.
The aperture of the ball valve b is configured to the structure adjusted between 0 ° of -90 ° of range；The tracheae a, tracheae
C, tracheae d, tracheae e, tracheae f are lucite pipe, and threeway I, threeway II, threeway III are structure made of plastic material.
When the bench test is run with engine, the remaining gas of engine interior and water pump vane agitation under produce
Raw bubble is configured to flow to tracheae d along tracheae e, tracheae f, then enters the structure in expansion tank from tracheae c；Institute
When the actual pressure numerical value accumulated inside the expansion tank stated is higher than the pressure release numerical value of setting, expansion tank is configured to outward
The structure of portion's pressure release.
The tracheae a, tracheae c, tracheae d, tracheae e, tracheae f are all made of inner wall smooth, become without blocking, be not easy expansion
Shape, be not easy absciss layer, plastic material resistant to chemical etching is made.
Using technical solution of the present invention, can obtain it is below the utility model has the advantages that
Engine rig test water circulating exhaust stable-pressure device of the invention, carries out rack examination with engine in bench test
Before testing, when engine fills engine coolant for the first time, the gas for being vented stable-pressure device and engine interior is discharged to
Outside engine test system, then ball valve b is opened, is pressurizeed to the cooling water of engine test system.In conjunction with engine
Operating condition of test sets required hydraulic pressure value by adjusting the aperture of ball valve b, it will be able to reliable to realize that water inflow of the engine pressure
Control.And during engine operating, the gas of internal residual and the bubble meeting generated under the agitation of water pump vane
Tracheae d is convergeed to along the tracheae e, tracheae f, enters the expansion tank eventually by tracheae e, when in expansion tank
Portion it is pressure accumulated be more than pressure release value when, expansion tank just starts pressure release, gas is discharged, to realize voltage stabilizing function.By upper
Scheme is stated it is found that being pressurizeed by tracheae a, c to expansion tank when engine carries out bench test, and pass through the ball
Valve b carries out the adjustment of pressure, intake pressure needed for providing engine；When the gas generated in engine operation process, through institute
Tracheae e, the tracheae f stated will be transmitted to system expansion tank, and the pressure of expansion tank accumulation is greater than the pressure release value of expansion tank,
Start pressure release exhaust, is exhausted to engine rig test water termostat equipment and pressure stabilization function in this way, it is possible to reliably realize.
Engine rig test water circulating exhaust stable-pressure device of the invention, structure is simple, is capable of providing bench test engine institute
Intake pressure is needed, so that water inflow of the engine pressure controllable, and can bench test engine interior is remaining and operation process
Outside the removal of bubbles to water circulation system of middle generation, while the phenomenon that avoid cavitation erosion in engine-cooling system, water temperature over-high,
To guarantee running smooth for engine test, test stability and experimental result accuracy are improved.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is the structural schematic diagram of engine rig test water circulating exhaust stable-pressure device of the present invention；
Attached drawing acceptance of the bid note is respectively as follows: 1, tracheae I；2, tracheae d；3, tracheae e；4, tracheae f；5, expansion tank；6, ball valve b；
7, the exhaust pipe of engine；8, evaporator；9, water inflow of the engine pipe；10, cooling water pipe of engine；11, tracheae a；12, tracheae c；
13, threeway I；14, threeway II；15, threeway III；16, liquid level charactron；17, compressed air air pump.
Specific embodiment
Below against attached drawing, by the description of the embodiment, to for example related each structure of a specific embodiment of the invention
The works such as the shape of part, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle are further
Detailed description:
As shown in Fig. 1, the present invention is a kind of engine rig test water circulating exhaust stable-pressure device, the engine
Bench test water circulating exhaust stable-pressure device includes tracheae I 1, tracheae d2, tracheae e3, tracheae f4, described I 1 one end of tracheae with
Compressed air air pump 17 is connected to, and I 1 other end of tracheae is connected to expansion tank 5, is arranged between tracheae I 1 and compressed air air pump 17
Ball valve b6, the one end tracheae f4 are connected to the exhaust pipe of engine 7, and tracheae I 1 is connected to the one end tracheae d2, the tracheae f4 other end and gas
The connection of the one end pipe e3, the tracheae d2 other end are connected to tracheae e3 and the engaging portion tracheae f4, and the tracheae e3 other end and evaporator 8 connect
Logical, evaporator 8 is connected to water inflow of the engine pipe 9, and evaporator 8 is connected to expansion tank 5 simultaneously, the evaporator 8 with start
Machine cooling water pipe 10 is connected to, and the engine is bench test engine.Above structure, bench test engine into
Before row bench test, when engine fills engine coolant for the first time, the gas of stable-pressure device and engine interior will be vented
It is discharged to outside engine test system, then opens ball valve b, pressurize to the cooling water of engine test system.In conjunction with
The operating condition of test of engine sets required hydraulic pressure value by adjusting the aperture of ball valve b, in this way, it is possible to reliably realize hair
Motivation intake pressure is controllable.And during engine operating, the gas of internal residual and the agitation in water pump vane
The bubble of lower generation can converge to tracheae d2 along the tracheae e3, tracheae f4, enter eventually by tracheae e3 described swollen
Swollen kettle 5, inside expansion tank 5 it is pressure accumulated be more than pressure release value when, expansion tank 5 just starts pressure release, gas is discharged,
To realize voltage stabilizing function.By above scheme it is found that air compressor is given by tracheae I 1 when engine carries out bench test
Expansion tank is pressurizeed, and the adjustment of pressure size is carried out by the ball valve b6, provides bench test engine institute
The intake pressure needed；When the gas generated in engine operation process, system expansion will be transmitted to through the tracheae e, tracheae f
Kettle, and the pressure of expansion tank accumulation is greater than the pressure release value of expansion tank, starts pressure release exhaust, in this way, it is possible to reliable real
It is now exhausted to engine rig test water termostat equipment and pressure stabilization function.Engine rig test water of the present invention follows
Ring is vented stable-pressure device, and structure is simple, intake pressure needed for being capable of providing bench test engine, so that water inflow of the engine pressure
Power is controllable, but can by bench test with engine interior is remaining and operation process in the removal of bubbles that generates to water circulation system
Outside, the phenomenon that while avoiding cavitation erosion in engine-cooling system, water temperature over-high, to guarantee running smooth for engine test,
Improve test stability and experimental result accuracy.
The tracheae I 1 includes tracheae a11, tracheae c12, and described one end tracheae a11 is connected to ball valve b6, tracheae c12 mono-
End is connected to expansion tank 5, and the tracheae a11 other end, the tracheae c12 other end, the one end tracheae d2 are connected to by threeway I 13, tracheae
One end that c12 is connected to expansion tank 5 is connected to the threeway II 14 in expansion tank 5, and the tracheae d2 other end, tracheae f4 are another
End, the tracheae e3 other end are connected to by threeway III 15.In this way, tracheae I 1 includes tracheae a11, tracheae c12, pressure adjusting is being carried out
When, regulation ball valve b, gas once passes through tracheae a, tracheae c enters expansion tank, intake pressure needed for providing engine.
The expansion tank 5 includes vertically arranged liquid level charactron 16, and threeway II 14 is mounted on liquid level charactron 16
On, tracheae c12 is connected to the threeway II 14 on liquid level charactron 16.Above structure, liquid level charactron realize expansion tank liquid level
It checks, and tracheae c12 and expansion tank reliable connected are realized in threeway II 14.
The aperture of the ball valve b6 is configured to the structure adjusted between 0 ° of -90 ° of range；It can be adjusted according to the needs
Ball valve b aperture meets bench test engine and needs hydraulic pressure；Tracheae a11, tracheae c12, tracheae d2, tracheae e3, tracheae f4 are
Lucite pipe, threeway I 13, threeway II 14, threeway III 15 are structure made of plastic material.Shanghai Soviet Union structure, convenient for examination
Tracheae and threeway reliable performance when testing progress.
When the bench test is run with engine, the remaining gas of engine interior and water pump vane agitation under produce
Raw bubble is configured to flow to tracheae d2 along tracheae e3, tracheae f4, then enters in expansion tank 5 from tracheae c12
Structure；When the actual pressure numerical value accumulated inside the expansion tank 5 is higher than the pressure release numerical value of setting, expansion tank 5 is arranged
For can be to the structure of external pressure release.
The tracheae a11, tracheae c12, tracheae d2, tracheae e3, tracheae f4 are all made of inner wall smooth, without blocking, be not easy
Dilatancy, be not easy absciss layer, plastic material resistant to chemical etching is made.
Engine rig test water circulating exhaust stable-pressure device of the invention, carries out rack examination with engine in bench test
Before testing, when engine fills engine coolant for the first time, the gas for being vented stable-pressure device and engine interior is discharged to
Outside engine test system, then ball valve b is opened, is pressurizeed to the cooling water of engine test system.In conjunction with engine
Operating condition of test sets required hydraulic pressure value by adjusting the aperture of ball valve b, it will be able to reliable to realize that water inflow of the engine pressure
Control.And during engine operating, the gas of internal residual and the bubble meeting generated under the agitation of water pump vane
Tracheae d is convergeed to along the tracheae e, tracheae f, enters the expansion tank eventually by tracheae e, when in expansion tank
Portion it is pressure accumulated be more than pressure release value when, expansion tank just starts pressure release, gas is discharged, to realize voltage stabilizing function.By upper
Scheme is stated it is found that being pressurizeed by tracheae a, c to expansion tank when engine carries out bench test, and pass through the ball
Valve b carries out the adjustment of pressure, intake pressure needed for providing engine；When the gas generated in engine operation process, through institute
Tracheae e, the tracheae f stated will be transmitted to system expansion tank, and the pressure of expansion tank accumulation is greater than the pressure release value of expansion tank,
Start pressure release exhaust, is exhausted to engine rig test water termostat equipment and pressure stabilization function in this way, it is possible to reliably realize.
Engine rig test water circulating exhaust stable-pressure device of the invention, structure is simple, is capable of providing bench test engine institute
Intake pressure is needed, so that water inflow of the engine pressure controllable, and can bench test engine interior is remaining and operation process
Outside the removal of bubbles to water circulation system of middle generation, while the phenomenon that avoid cavitation erosion in engine-cooling system, water temperature over-high,
To guarantee running smooth for engine test, test stability and experimental result accuracy are improved.
Engine rig test water circulating exhaust stable-pressure device of the present invention, compressed gas, ball valve b, multiple tracheaes,
Multiple threeways cooperate, and are linked into when engine rig test water termostat equipment may be implemented, and engine bed may be implemented
Frame tests the effect of exhaust and the pressure stabilizing of water termostat equipment, is research and development test to ensure the normal development of engine test work
More accurate test data is provided, the research and development process of engine is promoted.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved by this
The conception and technical scheme of invention directly apply to other occasions, are within the scope of the invention.
Claims (6)
1. a kind of engine rig test water circulating exhaust stable-pressure device, it is characterised in that: the engine rig test water
Circulating exhaust stable-pressure device includes tracheae I (1), tracheae d (2), tracheae e (3), tracheae f (4), described tracheae I (1) one end with
Compressed air air pump (17) connection, tracheae I (1) other end are connected to expansion tank (5), tracheae I (1) and compressed air air pump
(17) ball valve b (6) are set between, (4) one end tracheae f is connected to the exhaust pipe of engine (7), tracheae I (1) and tracheae d (2) one end
Connection, tracheae f (4) other end are connected to tracheae e (3) one end, and tracheae d (2) other end and tracheae e (3) and tracheae f (4) combine
Portion's connection, tracheae e (3) other end are connected to evaporator (8), and evaporator (8) is connected to water inflow of the engine pipe (9), evaporator (8)
It is connected to simultaneously with expansion tank (5), the evaporator (8) is connected to cooling water pipe of engine (10), and the engine is
Bench test engine.
2. engine rig test water circulating exhaust stable-pressure device according to claim 1, it is characterised in that: the gas
Pipe I (1) includes tracheae a (11), tracheae c (12), and described (11) one end tracheae a is connected to ball valve b (6), tracheae c (12) one end
It is connected to expansion tank (5), tracheae a (11) other end, tracheae c (12) other end, (2) one end tracheae d are connected by threeway I (13)
Logical, one end that tracheae c (12) is connected to expansion tank (5) is connected to the threeway II (14) on expansion tank (5), and tracheae d (2) is another
One end, tracheae f (4) other end, tracheae e (3) other end are connected to by threeway III (15).
3. engine rig test water circulating exhaust stable-pressure device according to claim 2, it is characterised in that: described is swollen
Swollen kettle (5) includes vertically arranged liquid level charactron (16), and threeway II (14) is mounted on liquid level charactron (16), tracheae c
(12) it is connected to the threeway II (14) on liquid level charactron (16).
4. engine rig test water circulating exhaust stable-pressure device according to claim 2 or 3, it is characterised in that: described
The aperture of ball valve b (6) be configured to the structure adjusted between 0 ° of -90 ° of range；The tracheae a (11), tracheae c (12),
Tracheae d (2), tracheae e (3), tracheae f (4) are lucite pipe, and threeway I (13), threeway II (14), threeway III (15) are
Structure made of plastic material.
5. engine rig test water circulating exhaust stable-pressure device according to claim 2 or 3, it is characterised in that: rack
When development engine is run, the remaining gas of engine interior and the bubble generated under water pump vane agitation are configured to
It is flow to tracheae d (2) along tracheae e (3), tracheae f (4), then enters the structure in expansion tank (5) from tracheae c (12)；It is described
Expansion tank (5) inside accumulate actual pressure numerical value be higher than setting pressure release numerical value when, expansion tank (5) is configured to
To the structure of external pressure release.
6. engine rig test water circulating exhaust stable-pressure device according to claim 2, it is characterised in that: the gas
Pipe a (11), tracheae c (12), tracheae d (2), tracheae e (3), tracheae f (4) be all made of inner wall smooth, without block, be not easy expansion become
Shape, be not easy absciss layer, plastic material resistant to chemical etching is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646175.4A CN109781417B (en) | 2018-12-30 | 2018-12-30 | Water circulation exhaust pressure stabilizing device for engine bench test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646175.4A CN109781417B (en) | 2018-12-30 | 2018-12-30 | Water circulation exhaust pressure stabilizing device for engine bench test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109781417A true CN109781417A (en) | 2019-05-21 |
| CN109781417B CN109781417B (en) | 2024-04-26 |
Family
ID=66499696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811646175.4A Active CN109781417B (en) | 2018-12-30 | 2018-12-30 | Water circulation exhaust pressure stabilizing device for engine bench test |
Country Status (1)
| Country | Link |
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| CN (1) | CN109781417B (en) |
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|---|---|---|---|---|
| CN101968401A (en) * | 2009-07-28 | 2011-02-09 | 北汽福田汽车股份有限公司 | Cooling fluid temperature control system for testing engine performance |
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| CN204788957U (en) * | 2015-07-23 | 2015-11-18 | 东风康明斯发动机有限公司 | Engine water pressure experiment rack circulating water rapid heating up's water system |
| CN107389352A (en) * | 2017-08-03 | 2017-11-24 | 奇瑞汽车股份有限公司 | The stable equipment of engine pedestal cooling recirculation system and control method |
| CN209624064U (en) * | 2018-12-30 | 2019-11-12 | 江西腾勒动力有限公司 | Engine rig test water circulating exhaust stable-pressure device |
-
2018
- 2018-12-30 CN CN201811646175.4A patent/CN109781417B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968401A (en) * | 2009-07-28 | 2011-02-09 | 北汽福田汽车股份有限公司 | Cooling fluid temperature control system for testing engine performance |
| JP2011085446A (en) * | 2009-10-14 | 2011-04-28 | Ono Sokki Co Ltd | Engine cooling liquid control unit and testing system on engine stand |
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| Title |
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| 蒋受宝;蒋绍坚;曾红武;: "发动机台架试验冷却系统的设计", 小型内燃机与摩托车, no. 03, pages 45 - 47 * |
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| Publication number | Publication date |
|---|---|
| CN109781417B (en) | 2024-04-26 |
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