CN204788951U - Cold and hot shock -testing system of engine degree of depth - Google Patents
Cold and hot shock -testing system of engine degree of depth Download PDFInfo
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- CN204788951U CN204788951U CN201520544439.0U CN201520544439U CN204788951U CN 204788951 U CN204788951 U CN 204788951U CN 201520544439 U CN201520544439 U CN 201520544439U CN 204788951 U CN204788951 U CN 204788951U
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Abstract
The utility model discloses a cold and hot shock -testing system of engine degree of depth, including normal atmospheric temperature cooling system, ultra -low temperature cooling system, high temperature cooling system, valve unit and accredited testing organization one -tenth, the parallelly connected input that inserts valve unit of normal atmospheric temperature cooling system, ultra -low temperature cooling system and high temperature cooling system three, and valve unit's output connection engine, the engine passes through the dynamometer machine and connects the total accuse cabinet in the second floor control room, and sets up the demonstration control in the second floor control room, monitors the overall process that detects engine cryogenic cooling 0 through showing, it connects cold and hot impact switch board always to control the cabinet. Used valves is all with importing the pneumatic valve during this practical cold and hot operating mode conversion, and time response is fast, and stable back temperature control accuracy is high, and safe and reliable satisfies degree of depth thermal shock test and standardizes the requirement, controls the border state of engine, measures the status data of engine when ultra -low temperature and ultra -temperature, and whole process of the test is all through program control automatic control and measurement.
Description
Technical field
The utility model relates to a kind of test macro, specifically a kind of engine depth thermal shock test macro.
Background technology
Engine depth thermal shock is tested, and is the experiment detected engine performance, by detecting the performance determining engine, thus meets different user demands.
Utility model content
The purpose of this utility model is to provide a kind of engine depth thermal shock test macro, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of engine depth thermal shock test macro, comprise normal temperature cooling system, ultralow temperature cooling system, High-temperature cooling system, operation valve group and test machine to form, the input end of normal temperature cooling system, ultralow temperature cooling system and High-temperature cooling system three Access Control valve in parallel group, and the output terminal connecting engine of operation valve group, engine connects the master control cabinet in second floor pulpit by dynamometer machine, and display monitoring is set in second floor pulpit, detected the overall process of engine shock-testing by display monitoring, described master control cabinet connects thermal shock switch board; Described High-temperature cooling system is made up of high-temperature tank, heat interchanger and 32 DEG C of outer circulation water systems, the heating tube of high-temperature tank is in-built two groups of miniwatt 18kw, the heating tube of two groups of high-power 30kw, wherein the water inlet pipe of high-temperature tank connects 32 DEG C of outer circulation water systems by heat interchanger; Described ultralow temperature cooling system is made up of cryogenic tank, heat interchanger and-35 DEG C of outer circulation water systems, and wherein the water inlet pipe of cryogenic tank connects-35 DEG C of outer circulation water systems by heat interchanger; Described normal temperature cooling system is made up of normal temperature tank, heat interchanger and 7 DEG C of outer circulation water systems, and wherein the water inlet pipe of normal temperature tank connects 7 DEG C of outer circulation water systems by heat interchanger.
As further program of the utility model: the electric eddy current dynamometer of 260KW selected by described dynamometer machine.
As further program of the utility model: described normal temperature cooling system, ultralow temperature cooling system, High-temperature cooling system and thermal shock switch board are arranged on Stall, and operation valve group, test machine and engine are arranged in second floor stand.
As further program of the utility model: described engine is arranged on and connects on dolly soon.
As further program of the utility model :-35 DEG C of outer circulation water systems connect the handpiece Water Chilling Units of the multiple dish-style of ultralow temperature.
As further program of the utility model: the water inlet pipe of described high-temperature tank, cryogenic tank and normal temperature tank and the end of rising pipe are all by the intake-outlet of outer circulation pneumatic valve connecting engine, and all connected by Inner eycle pneumatic valve between the water inlet pipe of high-temperature tank, cryogenic tank and normal temperature tank and rising pipe, by closing outer circulation pneumatic valve, open Inner eycle pneumatic valve, make the liquid coolant in high-temperature tank, cryogenic tank and normal temperature tank carry out inner loop; And open outer circulation pneumatic valve, close Inner eycle pneumatic valve, can make and liquid coolant in high-temperature tank, cryogenic tank and normal temperature tank and engine carry out outer loop.
As further program of the utility model: set temperature table, tensimeter and variable frequency pump on the water inlet pipe of described high-temperature tank, cryogenic tank and normal temperature tank and rising pipe.
Compared with prior art, the beneficial effects of the utility model are: this practicality can complete the long duration test of engine depth thermal shock, test worst cold case can run to subzero 35 DEG C, and simultaneously can carry out temperature rise rate control, dynamometer machine is that current Engine Block Test field can most advanced at most, the failure rate is low thermal shock test table frame of most performance specification.
During the conversion of this Practical Cold thermal condition, valve group used all uses import pneumatic valve, time response is fast, after stable, temperature control precision is high, safe and reliablely meet the requirement of deep thermal impact test specification, the boundary condition of engine is controlled, measure the status data of engine when ultralow temperature and superhigh temperature, whole process of the test is all automatically controlled by programmed control and measures.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of thermal shock system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of engine depth thermal shock test macro, comprise normal temperature cooling system, ultralow temperature cooling system, High-temperature cooling system, operation valve group and test machine are formed, normal temperature cooling system, the input end of ultralow temperature cooling system and High-temperature cooling system three Access Control valve in parallel group, and the output terminal connecting engine of operation valve group, engine connects the master control cabinet in second floor pulpit by dynamometer machine, and display monitoring is set in second floor pulpit, the overall process of engine shock-testing is detected by display monitoring, described master control cabinet connects thermal shock switch board,
The electric eddy current dynamometer of 260KW selected by described dynamometer machine, and maximum speed can control to 10000rmp, and peak torque can measure 1000Nm, and through designing pipeline and adding cartridge controller, use chilled water instead and cool, fault alarm frequency significantly reduces;
Described normal temperature cooling system, ultralow temperature cooling system, High-temperature cooling system and thermal shock switch board are arranged on Stall, and operation valve group, test machine and engine are arranged in second floor stand, thus engine and temperature control system are completely cut off, avoid interference, described engine is arranged on and connects on dolly soon, and upper lower stage of doing experiment is very convenient.
Described High-temperature cooling system is made up of high-temperature tank 1, heat interchanger 4 and 32 DEG C of outer circulation water systems 8, high-temperature tank 1 the is in-built heating tube of two groups of miniwatt 18kw, the heating tube of two groups of high-power 30kw, total heating power 96kw, in in short-term, liquid coolant can be heated to target temperature, wherein the water inlet pipe of high-temperature tank 1 connects 32 DEG C of outer circulation water systems 8 by heat interchanger 4, thus makes the water temperature in high-temperature tank 1 remain on 32 DEG C;
Described ultralow temperature cooling system is made up of cryogenic tank 2, heat interchanger 4 and-35 DEG C of outer circulation water systems 10, wherein the water inlet pipe of cryogenic tank 2 connects-35 DEG C of outer circulation water systems 10 by heat interchanger 4, thus the water temperature in cryogenic tank 2 is reduced,-35 DEG C of outer circulation water systems 10 connect the handpiece Water Chilling Units of the multiple dish-style of ultralow temperature, cool through secondary, just liquid coolant can be dropped to subzero about 30 degree from normal temperature at short 10 minutes, refrigerating efficiency is high, safe and reliable;
Described normal temperature cooling system is made up of normal temperature tank 3, heat interchanger 4 and 7 DEG C of outer circulation water systems 9, and wherein the water inlet pipe of normal temperature tank 3 connects 7 DEG C of outer circulation water systems 8 by heat interchanger 4, thus the temperature remains within the normal range to make liquid coolant in high-temperature tank 1.
The water inlet pipe of described high-temperature tank 1, cryogenic tank 2 and normal temperature tank 3 and the end of rising pipe are all by the intake-outlet of outer circulation pneumatic valve 6 connecting engine, and all connected by Inner eycle pneumatic valve 5 between the water inlet pipe of high-temperature tank 1, cryogenic tank 2 and normal temperature tank 3 and rising pipe, by closing outer circulation pneumatic valve 6, open Inner eycle pneumatic valve 5, make the liquid coolant in high-temperature tank 1, cryogenic tank 2 and normal temperature tank 3 carry out inner loop; And open outer circulation pneumatic valve 6, close Inner eycle pneumatic valve 5, can make and liquid coolant in high-temperature tank 1, cryogenic tank 2 and normal temperature tank 3 and engine carry out outer loop.
Set temperature table, tensimeter and variable frequency pump on the water inlet pipe of described high-temperature tank 1, cryogenic tank 2 and normal temperature tank 3 and rising pipe, thus detect test condition and whether reach standard.
The principle of work of this practicality: utilize three large liquid coolants to store the liquid coolant of filling with and storing different temperatures, the front high-temperature tank 1 of start first carries out heating and reaches target temperature, cryogenic tank 2 is freezed to Low Temperature Target temperature, normal temperature is filled into ordinary cycle water, when not carrying out working condition tests, the coolant system of three states is spontaneous carries out inner loop control, constant to ensure respective coolant temperature.When carrying out working condition tests, allly program controlly all to be controlled by the TT&C software of stand, the measure-controlling unit communication of master control cabinet and dynamometer machine, carry out communication with the PLC of thermal shock switch board again, synchro control engine and thermal shock equipment are to meet testing requirements simultaneously.Required temperature is switched to instantaneously by pneumatic valve group under different operating mode, control system pipeline is provided with variable frequency pump, can meet the cooling liquid speed of different engines to thermal shock to require to convert, whole system Automated condtrol carries out circulation thermal shock to engine.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. an engine depth thermal shock test macro, comprise normal temperature cooling system, ultralow temperature cooling system, High-temperature cooling system, operation valve group and test machine are formed, it is characterized in that, normal temperature cooling system, the input end of ultralow temperature cooling system and High-temperature cooling system three Access Control valve in parallel group, and the output terminal connecting engine of operation valve group, engine connects the master control cabinet in second floor pulpit by dynamometer machine, and display monitoring is set in second floor pulpit, the overall process of engine shock-testing is detected by display monitoring, described master control cabinet connects thermal shock switch board, described High-temperature cooling system is made up of high-temperature tank, heat interchanger and 32 DEG C of outer circulation water systems, the heating tube of high-temperature tank is in-built two groups of miniwatt 18kw, the heating tube of two groups of high-power 30kw, wherein the water inlet pipe of high-temperature tank connects 32 DEG C of outer circulation water systems by heat interchanger, described ultralow temperature cooling system is made up of cryogenic tank, heat interchanger and-35 DEG C of outer circulation water systems, and wherein the water inlet pipe of cryogenic tank connects-35 DEG C of outer circulation water systems by heat interchanger, described normal temperature cooling system is made up of normal temperature tank, heat interchanger and 7 DEG C of outer circulation water systems, and wherein the water inlet pipe of normal temperature tank connects 7 DEG C of outer circulation water systems by heat interchanger.
2. a kind of engine depth thermal shock test macro according to claim 1, it is characterized in that, the electric eddy current dynamometer of 260KW selected by described dynamometer machine.
3. a kind of engine depth thermal shock test macro according to claim 1, it is characterized in that, described normal temperature cooling system, ultralow temperature cooling system, High-temperature cooling system and thermal shock switch board are arranged on Stall, and operation valve group, test machine and engine are arranged in second floor stand.
4. a kind of engine depth thermal shock test macro according to claim 3, it is characterized in that, described engine is arranged on and connects on dolly soon.
5. a kind of engine depth thermal shock test macro according to claim 1, is characterized in that ,-35 DEG C of outer circulation water systems connect the handpiece Water Chilling Units of the multiple dish-style of ultralow temperature.
6. a kind of engine depth thermal shock test macro according to claim 1, it is characterized in that, the water inlet pipe of described high-temperature tank, cryogenic tank and normal temperature tank and the end of rising pipe are all by the intake-outlet of outer circulation pneumatic valve connecting engine, and all connected by Inner eycle pneumatic valve between the water inlet pipe of high-temperature tank, cryogenic tank and normal temperature tank and rising pipe, by closing outer circulation pneumatic valve, open Inner eycle pneumatic valve, make the liquid coolant in high-temperature tank, cryogenic tank and normal temperature tank carry out inner loop; And open outer circulation pneumatic valve, close Inner eycle pneumatic valve, can make and liquid coolant in high-temperature tank, cryogenic tank and normal temperature tank and engine carry out outer loop.
7. a kind of engine depth thermal shock test macro according to claim 1, is characterized in that, set temperature table, tensimeter and variable frequency pump on the water inlet pipe of described high-temperature tank, cryogenic tank and normal temperature tank and rising pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544439.0U CN204788951U (en) | 2015-07-25 | 2015-07-25 | Cold and hot shock -testing system of engine degree of depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544439.0U CN204788951U (en) | 2015-07-25 | 2015-07-25 | Cold and hot shock -testing system of engine degree of depth |
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| Publication Number | Publication Date |
|---|---|
| CN204788951U true CN204788951U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520544439.0U Expired - Fee Related CN204788951U (en) | 2015-07-25 | 2015-07-25 | Cold and hot shock -testing system of engine degree of depth |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863316A (en) * | 2016-03-24 | 2016-08-17 | 中国北方发动机研究所(天津) | Diesel engine laboratory layout structure |
| CN109187035A (en) * | 2018-08-03 | 2019-01-11 | 中国地质大学（武汉） | A kind of diesel engine cold shock testing device and method |
| CN113203913A (en) * | 2021-07-06 | 2021-08-03 | 海拓仪器(江苏)有限公司 | Small-sized quick cold-hot impact testing device |
| CN115290336A (en) * | 2022-10-08 | 2022-11-04 | 江铃汽车股份有限公司 | Flow pressure control system and method for cold and hot impact test |
-
2015
- 2015-07-25 CN CN201520544439.0U patent/CN204788951U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863316A (en) * | 2016-03-24 | 2016-08-17 | 中国北方发动机研究所(天津) | Diesel engine laboratory layout structure |
| CN105863316B (en) * | 2016-03-24 | 2019-02-05 | 中国北方发动机研究所(天津) | A kind of diesel engine test room layout structure |
| CN109187035A (en) * | 2018-08-03 | 2019-01-11 | 中国地质大学（武汉） | A kind of diesel engine cold shock testing device and method |
| CN113203913A (en) * | 2021-07-06 | 2021-08-03 | 海拓仪器(江苏)有限公司 | Small-sized quick cold-hot impact testing device |
| CN113203913B (en) * | 2021-07-06 | 2021-10-01 | 海拓仪器(江苏)有限公司 | Small-sized quick cold-hot impact testing device |
| CN115290336A (en) * | 2022-10-08 | 2022-11-04 | 江铃汽车股份有限公司 | Flow pressure control system and method for cold and hot impact test |
| CN115290336B (en) * | 2022-10-08 | 2023-03-10 | 江铃汽车股份有限公司 | System and method for controlling flow and pressure in cold and hot impact test |
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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: 20151118 Termination date: 20210725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |