CN203732277U - Depth cold and hot impact testing system of medium-heavy diesel engine - Google Patents
Depth cold and hot impact testing system of medium-heavy diesel engine Download PDFInfo
- Publication number
- CN203732277U CN203732277U CN201420087919.4U CN201420087919U CN203732277U CN 203732277 U CN203732277 U CN 203732277U CN 201420087919 U CN201420087919 U CN 201420087919U CN 203732277 U CN203732277 U CN 203732277U
- Authority
- CN
- China
- Prior art keywords
- temperature
- backwater
- energy storage
- water inlet
- valve
- 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.)
- Expired - Fee Related
Links
- 238000009863 impact test Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 238000004146 energy storage Methods 0.000 claims abstract description 110
- 238000012546 transfer Methods 0.000 claims description 49
- 239000002826 coolant Substances 0.000 claims description 33
- 239000010721 machine oil Substances 0.000 claims description 28
- 239000003921 oil Substances 0.000 claims description 25
- 239000003507 refrigerant Substances 0.000 claims description 18
- 238000005496 tempering Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 230000002175 menstrual effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 13
- 239000010705 motor oil Substances 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 abstract 4
- 238000010438 heat treatment Methods 0.000 description 10
- 230000035939 shock Effects 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Testing Of Engines (AREA)
Abstract
The utility model relates to a depth cold and hot impact testing system of a medium-heavy diesel engine. The system consists of a high-temperature energy storage circulation system, a normal-temperature energy storage circulation system, a low-temperature circulation system, an engine oil temperature circulation system, a pressurization and depressurization device and an engine entrance heat exchanger. Short passes passing through the engine entrance heat exchanger are arranged next to a tested engine cooling liquid inlet and outlet. The outlet of the pressurization and depressurization device is communicated with the tested engine cooling liquid inlet by a pressurization and depressurization control valve. The high-temperature energy storage circulation system, the normal-temperature energy storage circulation system, and the low-temperature circulation system are respectively provided with circulation pipelines and are connected in parallel at the tested engine cooling liquid inlet and outlet; and the system sides, at communication positions with the engine cooling liquid main pipeline, of the high-temperature energy storage circulation system, the normal-temperature energy storage circulation system, and the low-temperature circulation system are respectively provided with short passes with water valves. The provided testing system can be used for realizing comprehensive depth cold and hot impact testing of the medium-heavy diesel engine.
Description
Technical field
The utility model relates to diesel motor fail-test technology, is a kind of medium and heavy diesel engine depth cold-hot impact test system specifically.
Background technology
To be simulated engine car load go up a slope engine cold thermal shock test in the time of fully loaded full load road condition, in engine water jacket, liquid coolant heats up rapidly, lowers the temperature in descending process, to engine and parts performance degradation thereof, compound function is deteriorated, and the deteriorated grade of part is carried out Evaluation.
Carry out comprehensive test according to the depth cold-hot impact test of GB/T19055-2003 " motor car engine reliability test method " and Ford standard depth cold shock testing project demand centering large diesel engine and relate to the multidisciplinary systems such as temperature control, fluid, material, how more efficient, system, to realize the degree of depth comprehensive test of diesel motor be compactly the problem of the continuous research of this area engineers always.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of medium and heavy diesel engine depth cold-hot impact test system that can comprehensive test diesel motor temperature performance.
Described medium and heavy diesel engine depth cold-hot impact test system, be respectively equipped with temperature sensor in tested engine coolant entrance and exit position, it is characterized in that: comprise the high temperature energy-storage circulation system, the normal temperature energy storage circulation system, low-temperature circulating system, the oil temperature circulation system, pressurization pressure relief device and engine entrance heat interchanger, be close to tested engine coolant entrance and exit and be provided with short logical through described engine entrance heat interchanger, the outlet of described pressurization pressure relief device is communicated with described engine coolant entrance by pressurization pressure release operation valve, the described high temperature energy-storage circulation system, the normal temperature energy storage circulation system, low-temperature circulating system is provided with circulating line separately, and parallel with one another at tested engine coolant entrance and exit place, the wherein said high temperature energy-storage circulation system is communicated with described engine coolant entrance main pipeline and outlet main pipeline respectively by the first water inlet transfer valve and the first backwater transfer valve, the described normal temperature energy storage circulation system and low-temperature circulating system are communicated with described engine coolant main pipeline by the second water inlet transfer valve and the second backwater transfer valve, the described high temperature energy-storage circulation system, the normal temperature energy storage circulation system and low-temperature circulating system are being provided with separately with the short of water valve and are leading to the system side of described engine coolant main pipeline connectivity part.
As embodiment, the short entrance heat interchanger outlet valve that stimulated the menstrual flow that connects described engine entrance heat interchanger is communicated with described engine coolant entrance, regulating by entrance heat exchange variable valve with engine coolant entrance junction, the entrance heat interchanger outer circulation interface of described engine entrance heat interchanger connects the recirculated water of outside constant temperature.
As embodiment, the described oil temperature circulation system is provided with oil circulation heat interchanger, described oil circulation heat interchanger is divided into the oil temperature circulation system circulation and machine oil temperature control outer circulation in the machine oil temperature control of mutual isolation, described machine oil temperature control outer circulation is communicated with by ebullator with outside low temperature energy storage canister, recirculation heater in the interior oil that circulates and pick of machine oil temperature control, well heater is communicated with the outlet conduit of oil circulation heat interchanger by circulating temperature variable valve in machine oil with the junction of the inlet duct of machine oil temperature control outer circulation simultaneously.
As embodiment, the described high temperature energy-storage circulation system is provided with high temperature energy-storage water inlet tank and high temperature energy-storage backwater tank, by high temperature fill cycle pump, the high temperature energy-storage water inlet tank pot liquid that is provided with temperature control is accessed to described the first water inlet transfer valve through high temperature fill cycle water valve at influent side, by high-temperature tempering circulating-water valve and high-temperature tempering ebullator, backwater is accessed to high temperature energy-storage backwater tank by described the first backwater transfer valve in backwater side, and loop back described high temperature energy-storage water inlet tank.
As embodiment, the described normal temperature energy storage circulation system is provided with normal temperature energy storage water inlet tank, normal temperature circulation water inlet heat interchanger and normal temperature energy storage backwater tank, by normal temperature fill cycle pump, the normal temperature energy storage water inlet tank pot liquid that is provided with temperature control is accessed to described the second water inlet transfer valve through normal temperature circulation water inlet heat interchanger, normal temperature fill cycle water valve at influent side, by normal temperature backwater circulation water valve and normal temperature return circulating pump, backwater is accessed to normal temperature energy storage backwater tank by described the second backwater transfer valve in backwater side, and loop back described normal temperature energy storage water inlet tank.
As embodiment, described low-temperature circulating system is provided with refrigerant energy storage water inlet tank and low temperature energy storage backwater tank, by low temperature fill cycle pump, the refrigerant energy storage water inlet tank pot liquid that is provided with temperature control is accessed to described the second water inlet transfer valve through low temperature fill cycle water valve at influent side, by low temperature backwater circulation water valve and low temperature return circulating pump, backwater is accessed to low temperature energy storage backwater tank by described the second backwater transfer valve in backwater side, and loop back described refrigerant energy storage water inlet tank by ultralow temperature cold water unit.
As prioritization scheme, described refrigerant energy storage water inlet tank can be simultaneously as the outside low temperature energy storage canister of machine oil temperature control outer circulation.
The utility model can be realized testing in experimental basis and grope and theoretical renewalization design and the coupling of calculating, and meets common cold shock testing ability and reserved, and can carry out water temperature control and the oil temperature control in conventional reliability test.The setting of backwater tank is adapted at carrying out cold shock testing in limited space, water inlet tank can be able to be placed on to position far away.Can be applicable to forbidding that external heating ,-40 degree impact, use in the situation of external heating functional module, also can the in the situation that of using external forced heating, use requiring.
Brief description of the drawings
Fig. 1 is the utility model integral tube line structure schematic diagram.
In figure: 1-engine, 2-engine entrance heat interchanger, 3-pressurization pressure relief device, 4-entrance heat interchanger outer circulation flow control valve, 5-entrance heat interchanger outer circulation interface, 10-high temperature energy-storage water inlet tank, 11-high temperature fill cycle pump, 12-high temperature fill cycle water valve, 13-high-temperature tempering circulating-water valve, 14-high-temperature tempering ebullator, 15-high temperature energy-storage backwater tank, the short water-through valve of 18-high temperature circulation, 20-normal temperature energy storage water inlet tank, 21-normal temperature circulation water inlet heat interchanger, 22-normal temperature fill cycle pump, 23-normal temperature fill cycle water valve, 24-normal temperature backwater circulation water valve, 25-normal temperature return circulating pump, 26-normal temperature energy storage backwater tank, 29-normal temperature short water-through valve that circulates, 30-refrigerant energy storage water inlet tank, 31-ultralow temperature cold water unit, 32-low temperature fill cycle pump, 33-low temperature backwater circulation water valve, 34-low temperature fill cycle water valve, 35-low temperature return circulating pump, 36-low temperature energy storage backwater tank, the short water-through valve of 38-low-temperature circulating, 41-machine oil outer circulation water intaking valve, 42-machine oil outer circulation back-water valve (BWV), 43-oil circulation heat interchanger, circulating temperature variable valve in 44-machine oil, recirculation heater in 45-machine oil, circulation water intaking valve in 46-machine oil, in 47-machine oil, loop back water valve, the import of 48-engine sump tank temperature control tube, the outlet of 49-engine sump tank temperature control tube, 51-pressurization pressure release operation valve, the 52-the first backwater transfer valve, the 53-the second backwater transfer valve, the 54-the second water inlet transfer valve, the 55-the first water inlet transfer valve, 56-entrance heat interchanger outlet valve, 57-entrance heat exchange variable valve.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described: as shown in FIG., medium and heavy diesel engine depth cold-hot impact test system, be respectively equipped with temperature sensor in tested engine coolant entrance and exit position, it is characterized in that: comprise the high temperature energy-storage circulation system, the normal temperature energy storage circulation system, low-temperature circulating system, the oil temperature circulation system, pressurization pressure relief device 3 and engine entrance heat interchanger 2, be close to tested engine coolant entrance and exit and be provided with short logical through described engine entrance heat interchanger 2, the outlet of described pressurization pressure relief device 3 is communicated with described engine coolant entrance by pressurization pressure release operation valve 51, the described high temperature energy-storage circulation system, the normal temperature energy storage circulation system, low-temperature circulating system is provided with circulating line separately, and parallel with one another at tested engine coolant entrance and exit place, the wherein said high temperature energy-storage circulation system is communicated with described engine coolant entrance main pipeline and outlet main pipeline respectively by the first water inlet transfer valve 55 and the first backwater transfer valve 52, the described normal temperature energy storage circulation system and low-temperature circulating system are communicated with described engine coolant main pipeline by the second water inlet transfer valve 54 and the second backwater transfer valve, the described high temperature energy-storage circulation system, the normal temperature energy storage circulation system and low-temperature circulating system are being provided with separately with the short of water valve and are leading to the system side of described engine coolant main pipeline connectivity part.
The short entrance heat interchanger outlet valve 56 that stimulated the menstrual flow that connects described engine entrance heat interchanger 2 is communicated with described engine coolant entrance, regulating by entrance heat exchange variable valve 57 with engine coolant entrance junction, the entrance heat interchanger outer circulation interface 5 of described engine entrance heat interchanger 2 connects the recirculated water of outside constant temperature.
The described oil temperature circulation system is provided with oil circulation heat interchanger 43, described oil circulation heat interchanger 43 is divided into the oil temperature circulation system circulation and machine oil temperature control outer circulation in the machine oil temperature control of mutual isolation, described machine oil temperature control outer circulation is communicated with by ebullator with outside low temperature energy storage canister, recirculation heater 45 in the interior oil that circulates and pick of machine oil temperature control, well heater is communicated with the outlet conduit of oil circulation heat interchanger 43 by circulating temperature variable valve 44 in machine oil with the junction of the inlet duct of machine oil temperature control outer circulation simultaneously.
As embodiment, the described high temperature energy-storage circulation system is provided with high temperature energy-storage water inlet tank 10 and high temperature energy-storage backwater tank 15, by high temperature fill cycle pump 11, high temperature energy-storage water inlet tank 10 pot liquids that are provided with temperature control are accessed to described the first water inlet transfer valve 55 through high temperature fill cycle water valve 12 at influent side, by high-temperature tempering circulating-water valve 13 and high-temperature tempering ebullator 14, backwater is accessed to high temperature energy-storage backwater tank 15 by described the first backwater transfer valve 52 in backwater side, and loop back described high temperature energy-storage water inlet tank 10.
As embodiment, the described normal temperature energy storage circulation system is provided with normal temperature energy storage water inlet tank 20, normal temperature circulation water inlet heat interchanger 21 and normal temperature energy storage backwater tank 26, the normal temperature energy storage water inlet tank 20 pot liquids process normal temperature circulation water inlet heat interchanger 21 of temperature control will be provided with at influent side by normal temperature fill cycle pump 22, normal temperature fill cycle water valve 23 accesses described the second water inlet transfer valve 54, by normal temperature backwater circulation water valve 24 and normal temperature return circulating pump 25, backwater is accessed to normal temperature energy storage backwater tank 26 by described the second backwater transfer valve 53 in backwater side, and loop back described normal temperature energy storage water inlet tank 20.
As embodiment, described low-temperature circulating system is provided with refrigerant energy storage water inlet tank 30 and low temperature energy storage backwater tank 36, by low temperature fill cycle pump 32, refrigerant energy storage water inlet tank 30 pot liquids that are provided with temperature control are accessed to described the second water inlet transfer valve 54 through low temperature fill cycle water valve 34 at influent side, by low temperature backwater circulation water valve 33 and low temperature return circulating pump 35, backwater is accessed to low temperature energy storage backwater tank 36 by described the second backwater transfer valve 53 in backwater side, and loop back described refrigerant energy storage water inlet tank 30 by ultralow temperature cold water unit 31.As prioritization scheme, described refrigerant energy storage water inlet tank 30 can be simultaneously as the outside low temperature energy storage canister of machine oil temperature control outer circulation.
Illustrate specific implementation process below:
The volume of high temperature energy-storage water inlet tank 10 and high temperature energy-storage backwater tank 15 is made as respectively 1500L and 800L, establishes six of 12KW well heaters in each, and wherein three as for subsequent use.Refrigerant energy storage water inlet tank 30, the about 2000L of volume; Low temperature energy storage backwater tank 36, the about 1200L of volume.
Thermal shock test:
In heating tank, design temperature is 95 degrees Celsius～100 degrees Celsius.In the time allowing to use external forced heating, after starting, thermal shock, by water circulating pump, the antifreezing and anti-rust liquid of 95 degree～100 degree is delivered to engine water inlet.Heat was washed open after the beginning, that is:, when the first backwater transfer valve 52, the first water inlet transfer valve 55 are by pass turn-off, entrance heat exchange variable valve 57 cold junctions are closed, and all high temperature coolants pour engine.
Heat reconstitutes control state: 1. system is according to engine water outlet temperature sensing actuator temperature, control entrance heat exchange variable valve 57, near engine water outlet temperature reaches temperature controlling point time, entrance heat interchanger outlet valve 56 is opened, and controls entrance heat exchange variable valve 57 and starts PID adjusting temperature control.
2. now engine backwater is back in high temperature energy-storage backwater tank 15 via the first backwater transfer valve 52, high-temperature tempering circulating-water valve 13.
In high-temperature tempering tank, outlet is all provided with temperature sensor, for controlling temperature in high-temperature tempering tank, the control of high-temperature tempering tank outlet temperature is 95 degrees Celsius conventionally, in tank body, temperature protection interval is 98 degrees Celsius.In high temperature water inlet tank, outlet is all provided with temperature sensor, for controlling temperature in high temperature water inlet tank, the control of high-temperature tempering tank outlet temperature is 98 degrees Celsius conventionally, in tank body, temperature protection interval is 105 degrees Celsius.
Under this state, in system refrigerant pipeline system, carry out self partial circulating:
Low-temperature circulating, is returned to the ultralow temperature section of refrigerant energy storage water inlet tank 30, the second water inlet transfer valves 54, the second backwater transfer valve 53 and closes to low temperature fill cycle water valve 34 by ebullator by the short water-through valve 38 of low-temperature circulating, low temperature backwater circulation water valve 33.
Normal temperature cycles through ebullator to normal temperature fill cycle water valve 23 and returns to normal temperature energy storage water inlet tank 20 by circulate short water-through valve 29, normal temperature backwater circulation water valve 24 of normal temperature, the second backwater transfer valve 53, the second water inlet transfer valve 54 normal temperature sections are opened, and this section of the first backwater transfer valve 52, the first water inlet transfer valve 55 is closed.
Low-temperature impact test:
While carrying out cool cycles, the refrigerant that is stored in refrigerant energy storage water inlet tank is delivered to engine by ebullator, low temperature fill cycle water valve 34, the second water inlet transfer valve 54, the first water inlet transfer valve 55, entrance heat exchange variable valve 57; Liquid coolant exports flow through the first backwater transfer valve 52, the second backwater transfer valve 53, returns to low temperature energy storage backwater tank 36 through low temperature backwater circulation water valve 33 through engine coolant.
Under this state, in system high temperature conduit system, normal temperature pipe system, carry out self partial circulating, circulate by the short water-through valve 18 of high temperature circulation, the normal temperature short water-through valve 29 that circulates respectively, to carry out capacity reserve, conventionally high temperature energy-storage tank is 98 degree in the first water inlet transfer valve 55 places sensor control, normal temperature energy storage canister is full stream cooling, and it is by heat exchanger and extraneous 7 degree chilled water exchanges.
Handpiece Water Chilling Units temperature-control senser is to be installed on refrigerant energy storage water inlet tank exit position as control point, and after cold shock starts, liquid coolant pours engine, more than tank body energy storage temperature need go out water management temperature 15 degree lower than engine conventionally.
In the time approaching reference mark, entrance heat interchanger outlet valve 56 is opened, entrance heat exchange variable valve 57 starts to regulate PID to control according to engine backwater place temperature sensor, now electronic 2 of engine entrance heat interchanger place logical proportion valves are full-gear, and now engine entrance heat interchanger outer circulation 32 is spent recirculated water relative low temperature and impacted for heating source.
Normal temperature cycle control:
Conventionally normal temperature circulate as fully cooling, and what circulate by normal temperature that water inlet heat interchanger 21 connects 7 spends chilled water, normal temperature energy storage backwater tank 26, normal temperature energy storage are intake about tank 20 energy storage to 8 degree, with extraneous chilled water without the temperature difference.
In the time approaching reference mark, V6 valve open, entrance heat interchanger outlet valve 56 is opened, entrance heat exchange variable valve 57 starts to regulate PID to control according to engine backwater place temperature sensor, now electronic 2 of engine entrance heat interchanger place logical proportion valves are full-gear, now outer circulation 32 is spent recirculated water relative low temperature and is impacted for heating source, carries out 20 required degree, 25 degree temperature controls.
When GB forbids that external heating ,-40 degree impact: external heating functional module is deactivated in test, closes ball valve high-temperature tempering circulating-water valve 13, high temperature fill cycle water valve 12, low temperature backwater circulation water valve 33, low temperature fill cycle water valve 34.
Pressurization pressure release operation valve 51 is opened, and carries out the intensification of engine partial circulating; This module should be better close to more from engine in the time installing, and avoids extra water capacity.
When thermal shock, cold circulation relies on water circulating pump to carry out from cool cycles in device pipeline, waits for cold shock switching signal; By normal temperature circulate short water-through valve 29, entrance heat interchanger outlet valve 56, engine entrance heat interchanger all plays high and low some thermostatic control effect in each circulation.
As standard-required uses external forced heating: start the first water inlet transfer valve 55, entrance heat exchange variable valve 57 valve events, open thermal cycle and can participate in pilot system work.
Oil temperature control:
Due to oil temperature, affected by engine coolant temperature larger, and in standard, special subzero engine oil temperature spot is all in the time of engine shutdown.
System loops temperature control by interior, and this system carries recirculation heater 45 in machine oil, and in machine oil, recirculation heater 45 is 2 groups of 9KW well heaters.
Temperature control is according to operating mode demand, and adoption rate valve regulation and cut-out stop outer circulation water pump form and carry out.
Claims (6)
1. a medium and heavy diesel engine depth cold-hot impact test system, be respectively equipped with temperature sensor in tested engine coolant entrance and exit position, it is characterized in that: comprise the high temperature energy-storage circulation system, the normal temperature energy storage circulation system, low-temperature circulating system, the oil temperature circulation system, pressurization pressure relief device (3) and engine entrance heat interchanger (2), be close to tested engine coolant entrance and exit and be provided with short logical through described engine entrance heat interchanger (2), the outlet of described pressurization pressure relief device (3) is communicated with described engine coolant entrance by pressurization pressure release operation valve (51), the described high temperature energy-storage circulation system, the normal temperature energy storage circulation system, low-temperature circulating system is provided with circulating line separately, and parallel with one another at tested engine coolant entrance and exit place, the wherein said high temperature energy-storage circulation system is communicated with described engine coolant entrance main pipeline and outlet main pipeline respectively by the first water inlet transfer valve (55) and the first backwater transfer valve (52), the described normal temperature energy storage circulation system and low-temperature circulating system are communicated with described engine coolant main pipeline by the second water inlet transfer valve (54) and the second backwater transfer valve, the described high temperature energy-storage circulation system, the normal temperature energy storage circulation system and low-temperature circulating system are being provided with separately with the short of water valve and are leading to the system side of described engine coolant main pipeline connectivity part.
2. medium and heavy diesel engine depth cold-hot impact test system according to claim 1, it is characterized in that: the short entrance heat interchanger outlet valve (56) that stimulated the menstrual flow that connects described engine entrance heat interchanger (2) is communicated with described engine coolant entrance, regulating by entrance heat exchange variable valve (57) with engine coolant entrance junction, the entrance heat interchanger outer circulation interface (5) of described engine entrance heat interchanger (2) connects the recirculated water of outside constant temperature.
3. medium and heavy diesel engine depth cold-hot impact test system according to claim 1, it is characterized in that: the described oil temperature circulation system is provided with oil circulation heat interchanger (43), described oil circulation heat interchanger (43) is divided into the oil temperature circulation system circulation and machine oil temperature control outer circulation in the machine oil temperature control of mutual isolation, described machine oil temperature control outer circulation is communicated with by ebullator with outside low temperature energy storage canister, the interior recirculation heater (45) of oil circulates and picks in machine oil temperature control, well heater is communicated with the outlet conduit of oil circulation heat interchanger (43) by circulating temperature variable valve (44) in machine oil with the junction of the inlet duct of machine oil temperature control outer circulation simultaneously.
4. medium and heavy diesel engine depth cold-hot impact test system according to claim 1, it is characterized in that: the described high temperature energy-storage circulation system is provided with high temperature energy-storage water inlet tank (10) and high temperature energy-storage backwater tank (15), by high temperature fill cycle pump (11), high temperature energy-storage water inlet tank (10) pot liquid that is provided with temperature control is accessed to described the first water inlet transfer valve (55) through high temperature fill cycle water valve (12) at influent side, by high-temperature tempering circulating-water valve (13) and high-temperature tempering ebullator (14), backwater is accessed to high temperature energy-storage backwater tank (15) by described the first backwater transfer valve (52) in backwater side, and loop back described high temperature energy-storage water inlet tank (10).
5. medium and heavy diesel engine depth cold-hot impact test system according to claim 1, it is characterized in that: the described normal temperature energy storage circulation system is provided with normal temperature energy storage water inlet tank (20), normal temperature circulation water inlet heat interchanger (21) and normal temperature energy storage backwater tank (26), normal temperature energy storage water inlet tank (20) the pot liquid process normal temperature circulation water inlet heat interchanger (21) of temperature control will be provided with at influent side by normal temperature fill cycle pump (22), normal temperature fill cycle water valve (23) accesses described the second water inlet transfer valve (54), by normal temperature backwater circulation water valve (24) and normal temperature return circulating pump (25), backwater is accessed to normal temperature energy storage backwater tank (26) by described the second backwater transfer valve (53) in backwater side, and loop back described normal temperature energy storage water inlet tank (20).
6. medium and heavy diesel engine depth cold-hot impact test system according to claim 1, it is characterized in that: described low-temperature circulating system is provided with refrigerant energy storage water inlet tank (30) and low temperature energy storage backwater tank (36), by low temperature fill cycle pump (32), refrigerant energy storage water inlet tank (30) pot liquid that is provided with temperature control is accessed to described the second water inlet transfer valve (54) through low temperature fill cycle water valve (34) at influent side, by low temperature backwater circulation water valve (33) and low temperature return circulating pump (35), backwater is accessed to low temperature energy storage backwater tank (36) by described the second backwater transfer valve (53) in backwater side, and loop back described refrigerant energy storage water inlet tank (30) by ultralow temperature cold water unit (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087919.4U CN203732277U (en) | 2014-02-28 | 2014-02-28 | Depth cold and hot impact testing system of medium-heavy diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087919.4U CN203732277U (en) | 2014-02-28 | 2014-02-28 | Depth cold and hot impact testing system of medium-heavy diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732277U true CN203732277U (en) | 2014-07-23 |
Family
ID=51202340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420087919.4U Expired - Fee Related CN203732277U (en) | 2014-02-28 | 2014-02-28 | Depth cold and hot impact testing system of medium-heavy diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732277U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266840A (en) * | 2014-10-11 | 2015-01-07 | 中国第一汽车股份有限公司 | Deep thermal shock testing device of heavy-duty engine |
| CN104614186A (en) * | 2015-01-21 | 2015-05-13 | 西华大学 | Exhaust gas re-circulation inter-cooler heat exchange efficiency test bench and test method |
| CN108827494A (en) * | 2018-04-28 | 2018-11-16 | 吉孚动力技术(中国)有限公司 | Oil-temperature control system for gearbox test-bed |
| CN109357963A (en) * | 2018-12-29 | 2019-02-19 | 天津亭华科技有限公司 | Liquid circulated thermal shock test chamber |
| CN110044630A (en) * | 2019-04-27 | 2019-07-23 | 武汉东测科技有限责任公司 | A kind of RDE standard analog detection rack system and its test method |
| CN110243607A (en) * | 2019-07-12 | 2019-09-17 | 吉孚动力技术(中国)有限公司 | A kind of engine performance test stand frame oil temperature control system |
| CN110579419A (en) * | 2019-08-28 | 2019-12-17 | 安徽江淮汽车集团股份有限公司 | Low cycle fatigue reliability test method and device |
-
2014
- 2014-02-28 CN CN201420087919.4U patent/CN203732277U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266840A (en) * | 2014-10-11 | 2015-01-07 | 中国第一汽车股份有限公司 | Deep thermal shock testing device of heavy-duty engine |
| CN104614186A (en) * | 2015-01-21 | 2015-05-13 | 西华大学 | Exhaust gas re-circulation inter-cooler heat exchange efficiency test bench and test method |
| CN104614186B (en) * | 2015-01-21 | 2017-07-11 | 西华大学 | A kind of waste gas recycles the test method of charge air cooler heat exchange efficiency testing stand |
| CN108827494A (en) * | 2018-04-28 | 2018-11-16 | 吉孚动力技术(中国)有限公司 | Oil-temperature control system for gearbox test-bed |
| CN109357963A (en) * | 2018-12-29 | 2019-02-19 | 天津亭华科技有限公司 | Liquid circulated thermal shock test chamber |
| CN110044630A (en) * | 2019-04-27 | 2019-07-23 | 武汉东测科技有限责任公司 | A kind of RDE standard analog detection rack system and its test method |
| CN110243607A (en) * | 2019-07-12 | 2019-09-17 | 吉孚动力技术(中国)有限公司 | A kind of engine performance test stand frame oil temperature control system |
| CN110243607B (en) * | 2019-07-12 | 2024-05-17 | 吉孚动力技术(中国)有限公司 | Engine oil temperature control system of engine performance test bed |
| CN110579419A (en) * | 2019-08-28 | 2019-12-17 | 安徽江淮汽车集团股份有限公司 | Low cycle fatigue reliability test method and device |
| CN110579419B (en) * | 2019-08-28 | 2021-07-13 | 安徽江淮汽车集团股份有限公司 | Low cycle fatigue reliability test method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203732277U (en) | Depth cold and hot impact testing system of medium-heavy diesel engine | |
| CN204398807U (en) | A kind of centralized multi-state heat management system of new energy vehicle | |
| CN105576321B (en) | Battery pack thermal management system | |
| CN104564304B (en) | For the method for the coolant temperature for adjusting HVAC heat pumps | |
| CN201233315Y (en) | Engine depth cold-hot impact test system | |
| CN102529638B (en) | vehicle heating system | |
| CN103018067B (en) | converter valve device cooling test system | |
| CN103352752B (en) | There is the engine cooling and circulating system of shunting refrigerating function and corresponding vehicle | |
| CN204614902U (en) | A kind of battery system cooling device and there is its vehicle | |
| CN105835653B (en) | A kind of centralized multi-state heat management system of new energy vehicle | |
| CN206664207U (en) | A kind of vehicle changes in temperature circulatory system and automobile | |
| KR20110058614A (en) | Integrated coolant flow control and heat exchange unit | |
| JP5484289B2 (en) | Engine cooling water circulation system for testing | |
| CN110259562B (en) | Power assembly system and vehicle | |
| CN205808715U (en) | A kind of universal cold shock testing device | |
| CN104405731B (en) | Hydraulic oil liquid heating system | |
| CN110145391A (en) | A kind of hybrid power multi-cycle cooling system | |
| CN206862631U (en) | A kind of constant-temperaturetest test device of engine water cold type charge air cooler | |
| CN207264220U (en) | A kind of multi-temperature control system | |
| CN109488438B (en) | Cooling system with DCT (discrete cosine transformation) cooling large circulation loop | |
| CN103341374A (en) | Cooling water auxiliary system for multi-cylinder diesel engine test room | |
| CN206914133U (en) | The cooling system and motor vehicle driven by mixed power of vehicle | |
| CN103485879B (en) | A kind of expansion tank assembly and cooling recirculation system | |
| CN206208529U (en) | The fuel oil constant temperature apparatus of diesel engine | |
| CN203511270U (en) | Hybrid power system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |