CN110487554A - Oil system is used in a kind of test - Google Patents
Oil system is used in a kind of test Download PDFInfo
- Publication number
- CN110487554A CN110487554A CN201910725787.0A CN201910725787A CN110487554A CN 110487554 A CN110487554 A CN 110487554A CN 201910725787 A CN201910725787 A CN 201910725787A CN 110487554 A CN110487554 A CN 110487554A
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- CN
- China
- Prior art keywords
- engine
- regulating valve
- heater
- fuel tank
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Abstract
The present invention provides a kind of test oil systems, the lower end of fuel tank is connected to the import of variable frequency pump, the outlet of variable frequency pump is connected to the import of triple valve, and the first outlet of triple valve is connected to the import of connection heater, and the outlet of heater is connected to the lubricating oil oil-in of engine；The second outlet piping connection of triple valve is to the lubricating oil inlet of engine, and the lubricating oil outlet of engine is connected to the import of heat exchanger, and the export pipeline of heat exchanger is connected to the upper end of fuel tank, installs thermocouple in fuel tank；The both ends of heat exchanger are separately connected water inlet pipe and return pipe, and inlet regulating valve is installed on water inlet pipe, installs return water regulating valve on return pipe, inlet regulating valve, return water regulating valve, thermocouple, variable frequency pump, triple valve and heater are connected separately to controller.Test oil system of the present invention, the lubricating oil into engine are heated to suitable temperature in flow process, and engine test does not need to carry out prolonged preparation.
Description
Technical field
The invention belongs to field of electromechanical technology, more particularly, to a kind of test oil system.
Background technique
In the prior art, generally there is the biggish fuel tank of capacity for the oil system of engine testing room, needed before test
Whole lubricating oil are heated to suitable temperature range, could start to test, when the shortcomings that this oil system is that test prepares
Between it is longer.
Summary of the invention
In view of this, the present invention is directed to propose a kind of test uses oil system, before solving engine oil system test
Time longer problem.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
It is a kind of test use oil system, including inlet regulating valve, return water regulating valve, return pipe, water inlet pipe, heat exchanger,
Fuel tank, engine, thermocouple, variable frequency pump, heater, triple valve and controller, the lower port piping connection of fuel tank to variable frequency pump
Import, the export pipeline of variable frequency pump is connected to the import of triple valve, and the first outlet piping connection of triple valve is to connecting heating
The import of device, the outlet of heater are connected to the lubricating oil oil-in of engine；The second outlet piping connection of triple valve is extremely sent out
The lubricating oil inlet of motivation, import of the lubricating oil outlet piping connection of engine to heat exchanger, the outlet of heat exchanger
Road is connected to the upper port of fuel tank, installs thermocouple in fuel tank；One end of heat exchanger is connected to water inlet pipe, and the other end is connected to
Return pipe installs inlet regulating valve on water inlet pipe, installs return water regulating valve, inlet regulating valve, return water regulating valve, heat on return pipe
Galvanic couple, variable frequency pump, triple valve and heater are connected separately to controller.
Further, controller is single-chip microcontroller or PLC.
Further, inlet regulating valve, return water regulating valve and triple valve are direct-acting electromagnetic valve.
Further, thermocouple is K-type thermocouple.
Further, variable frequency pump is CX-B series variable frequency pump.
Further, heater is electromagnetic heater.
Compared with the existing technology, test of the present invention is had the advantage that with oil system
(1) test oil system of the present invention, using threeway valve arrangement, by the lubricating oil pipe before entrance engine
Road is divided into two-way after variable frequency pump: it is to connect heater after triple valve all the way, connects engine after heater, after system start,
Lubricating oil into engine is heated to suitable temperature in flow process, and engine test does not need to carry out prolonged
Preparation；Meanwhile the higher engine oil return of temperature gradually flows into fuel tank, improves the mean temperature of lubricating oil in fuel tank；
When the lubricating oil temperature in thermocouple monitoring to fuel tank reaches prescribed limit, heater stops working, while threeway Vavle switching
To in addition all the way: pipeline is directly connected to engine after triple valve；Under this operating condition, inlet regulating valve and return water regulating valve are opened,
Heat exchanger cools down the oil return of engine.
(2) test oil system of the present invention, after system start, into engine lubricating oil in flow process
In i.e. be heated to suitable temperature, engine test does not need to carry out prolonged preparation；Meanwhile temperature is higher starts
Machine oil return gradually flows into fuel tank, improves the mean temperature of lubricating oil in fuel tank, reduces the consumption of heater electric energy.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram that oil system is used in test described in the embodiment of the present invention.
Description of symbols:
1- inlet regulating valve, 2- return water regulating valve, 3- return pipe, 4- water inlet pipe, 5- heat exchanger, 6- fuel tank, 7- start
Machine, 8- thermocouple, 9- variable frequency pump, 10- heater, 11- triple valve, 12- controller.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of test oil system, as shown in Figure 1, including inlet regulating valve 1, return water regulating valve 2, return pipe 3, water inlet
Pipe 4, heat exchanger 5, fuel tank 6, engine 7, thermocouple 8, variable frequency pump 9, heater 10, triple valve 11 and controller 12, fuel tank 6
Lower port piping connection to the import of variable frequency pump 9, the export pipeline of variable frequency pump 9 is connected to the import of triple valve 11, triple valve
For 11 first outlet piping connection to the import for connecting heater 10, the outlet of heater 10 is connected to the lubricating oil of engine 7
Oil inlet；Lubricating oil inlet of the second outlet piping connection of triple valve 11 to engine 7, the lubricating oil outlet pipe of engine 7
Road is connected to the import of heat exchanger 5, and the export pipeline of heat exchanger 5 is connected to the upper port of fuel tank 6, installation heat in fuel tank 6
Galvanic couple 8；One end of heat exchanger 5 is connected to water inlet pipe 4, and the other end is connected to return pipe 3, and installation water inlet is adjusted on water inlet pipe 4
Valve 1 installs return water regulating valve 2, inlet regulating valve 1, return water regulating valve 2, thermocouple 8, variable frequency pump 9, triple valve 11 on return pipe 3
It is connected separately with heater 10 to controller 12.Using 11 structure of triple valve, by the lubricating oil pipeline before entrance engine 7
It is divided into two-way after variable frequency pump 9: is connection heater 10 after triple valve 11 all the way, connects engine 7 after heater 10, system rises
After dynamic, the lubricating oil into engine 7 is heated to suitable temperature in flow process, and the test of engine 7 does not need to carry out
Prolonged preparation.Meanwhile the higher engine oil return of temperature gradually flows into fuel tank 6, improves lubricating oil in fuel tank 6
Mean temperature；When thermocouple 8 monitors that the lubricating oil temperature in fuel tank 6 reaches prescribed limit, heater 10 stops working, together
When triple valve 11 be switched in addition all the way: pipeline is directly connected to engine 7 after triple valve 11, and under this operating condition, water inlet is adjusted, 1
It is opened with return water regulating valve 2, heat exchanger 5 cools down the oil return of engine 7.
Controller 12 is single-chip microcontroller or PLC.
Inlet regulating valve 1, return water regulating valve 2 and triple valve 11 are direct-acting electromagnetic valve, not special to installation site
It is required that versatile.
Thermocouple 8 is K-type thermocouple, and in temperature-measuring range, thermoelectric property is stablized, and time to time change, does not have enough
Physical and chemical stability, not oxidizable or corrosion；Material replicability is good, and high mechanical strength, manufacturing process is simple, cheap.
Variable frequency pump 9 is CX-B series variable frequency pump, which is opened by frequency converter (including PID regulator), control time in program design
Pass, programmable controller, Water level display controller, distance-transmission pressure gauge, water level sensor and related electric control unit are constituted, and are
A kind of intelligent electromechanical equipment with frequency control and automatic DNA image cytometer function.
Heater 10 is electromagnetic heater, and the thermal efficiency is that highest almost thermal energy is not lost, and the thermal efficiency is more than 95%
More than.
A kind of test working principle of oil system are as follows:
Triple valve 11 is in the first operating condition: controller 12 controls variable frequency pump 9 and lubricating oil is entered by triple valve 11
Heater 10 enters back into engine 7, and controller 12 controls heater 10 and powers, so that the lubricating oil into engine 7 is flowing
It is heated to suitable temperature in the process, the test of engine 7 does not need prolonged preparation.Meanwhile the higher hair of temperature
Motivation oil return gradually flows into fuel tank 6, improves the mean temperature of lubricating oil in fuel tank 6；Thermocouple 8 is real-time by the data of acquisition
Controller 12 is passed to, controller 12 judges that the lubricating oil temperature in fuel tank 6 reaches set temperature according to inner setting data
When, controller 12 controls triple valve 11 and is switched to second of operating condition: heater 10 stops power supply, while the second of triple valve 11 goes out
Mouth is directly connected to engine 7, and inlet regulating valve 1 and return water regulating valve 2 are opened, and heat exchanger 5 carries out the oil return of engine 7 cold
But.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. it is a kind of test use oil system, it is characterised in that: including inlet regulating valve, return water regulating valve, return pipe, water inlet pipe,
Heat exchanger, fuel tank, engine, thermocouple, variable frequency pump, heater, triple valve and controller, the lower port piping connection of fuel tank
To the import of variable frequency pump, the export pipeline of variable frequency pump is connected to the import of triple valve, and the first outlet piping connection of triple valve is extremely
The import of heater is connected, the outlet of heater is connected to the lubricating oil oil-in of engine；The second outlet pipeline of triple valve
It is connected to the lubricating oil inlet of engine, import of the lubricating oil outlet piping connection of engine to heat exchanger, heat exchanger
Export pipeline be connected to the upper port of fuel tank, thermocouple is installed in fuel tank；One end of heat exchanger is connected to water inlet pipe, another
End is connected to return pipe, and inlet regulating valve is installed on water inlet pipe, installs return water regulating valve, inlet regulating valve, return water on return pipe
Regulating valve, thermocouple, variable frequency pump, triple valve and heater are connected separately to controller.
2. a kind of test oil system according to claim 1, it is characterised in that: controller is single-chip microcontroller or PLC.
3. a kind of test oil system according to claim 1, it is characterised in that: inlet regulating valve, return water regulating valve
It is direct-acting electromagnetic valve with triple valve.
4. a kind of test oil system according to claim 1, it is characterised in that: thermocouple is K-type thermocouple.
5. a kind of test oil system according to claim 1, it is characterised in that: variable frequency pump is CX-B series frequency conversion water
Pump.
6. a kind of test oil system according to claim 1, it is characterised in that: heater is electromagnetic heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725787.0A CN110487554A (en) | 2019-08-07 | 2019-08-07 | Oil system is used in a kind of test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725787.0A CN110487554A (en) | 2019-08-07 | 2019-08-07 | Oil system is used in a kind of test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110487554A true CN110487554A (en) | 2019-11-22 |
Family
ID=68549579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910725787.0A Pending CN110487554A (en) | 2019-08-07 | 2019-08-07 | Oil system is used in a kind of test |
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| Country | Link |
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| CN (1) | CN110487554A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963666A (en) * | 2020-08-13 | 2020-11-20 | 常州华创航空科技有限公司 | Multifunctional main speed reducer test bed lubricating system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943769U (en) * | 2011-01-12 | 2011-08-24 | 福建华泰电力实业有限公司 | Constant temperature control device of diesel-driven generator |
| CN103115776A (en) * | 2013-02-05 | 2013-05-22 | 浙江吉利汽车研究院有限公司杭州分公司 | Engine oil outside loop device and control method for reducing warm-up time |
| CN103631287A (en) * | 2013-11-27 | 2014-03-12 | 南京三创自动化科技有限公司 | Outside circulating temperature control device for lubricating oil used in gearbox |
| CN105334062A (en) * | 2015-11-04 | 2016-02-17 | 中国北方发动机研究所(天津) | Multi-cylinder diesel engine lab machine oil system |
| CN108087701A (en) * | 2017-12-07 | 2018-05-29 | 中国航发沈阳发动机研究所 | A kind of oil system |
-
2019
- 2019-08-07 CN CN201910725787.0A patent/CN110487554A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943769U (en) * | 2011-01-12 | 2011-08-24 | 福建华泰电力实业有限公司 | Constant temperature control device of diesel-driven generator |
| CN103115776A (en) * | 2013-02-05 | 2013-05-22 | 浙江吉利汽车研究院有限公司杭州分公司 | Engine oil outside loop device and control method for reducing warm-up time |
| CN103631287A (en) * | 2013-11-27 | 2014-03-12 | 南京三创自动化科技有限公司 | Outside circulating temperature control device for lubricating oil used in gearbox |
| CN105334062A (en) * | 2015-11-04 | 2016-02-17 | 中国北方发动机研究所(天津) | Multi-cylinder diesel engine lab machine oil system |
| CN108087701A (en) * | 2017-12-07 | 2018-05-29 | 中国航发沈阳发动机研究所 | A kind of oil system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963666A (en) * | 2020-08-13 | 2020-11-20 | 常州华创航空科技有限公司 | Multifunctional main speed reducer test bed lubricating system |
| CN111963666B (en) * | 2020-08-13 | 2021-08-03 | 常州华创航空科技有限公司 | Multifunctional main speed reducer test bed lubricating system |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20191122 |