CN106092632A - Cooler for recycled exhaust gas cooling effectiveness test device - Google Patents
Cooler for recycled exhaust gas cooling effectiveness test device Download PDFInfo
- Publication number
- CN106092632A CN106092632A CN201610625622.2A CN201610625622A CN106092632A CN 106092632 A CN106092632 A CN 106092632A CN 201610625622 A CN201610625622 A CN 201610625622A CN 106092632 A CN106092632 A CN 106092632A
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- China
- Prior art keywords
- cooler
- exhaust gas
- recycled exhaust
- egr
- water
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The present invention relates to a kind of test equipment, specially cooler for recycled exhaust gas cooling effectiveness test device, including water circulation system and egr system；The cooling tower outlet pipe of water cyclic system, cooling tower water inlet pipe are connected with water circulating pipe respectively；Water circulating pipe two ends connect cooler for recycled exhaust gas water inlet pipe and the cooler for recycled exhaust gas outlet pipe of egr system respectively, EGR air inlet pipe one end connects cooler for recycled exhaust gas, the other end is connected on exhaust main, EGR valve is arranged between cooler for recycled exhaust gas and EGR escape pipe, and EGR escape pipe is connected on engine intake manifold.The cooler for recycled exhaust gas cooling effectiveness test device that the present invention provides, simple in construction, small volume, with low cost, utilize water circulation system, combine with the engine test platform being equipped with egr system, the indices needed for carrying out cooler for recycled exhaust gas cooling effectiveness is tested.
Description
Technical field
The present invention relates to a kind of test equipment, specially cooler for recycled exhaust gas cooling effectiveness test device.
Background technology
The most domestic cooler for recycled exhaust gas cooling effectiveness test equipment that carries out is special equipment, and this device fabrication cost is high, volume
Greatly, putting into big, utilization rate is the highest, causes production cost to rise.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of simple in construction, small volume, EGR with low cost cooling
Device cooling effectiveness test device.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows.
Cooler for recycled exhaust gas cooling effectiveness test device includes water circulation system and egr system；
Water circulation system includes cooling tower and water circulating pipe, and cooling tower has cooling tower outlet pipe, cooling tower water inlet pipe, described
Cooling tower outlet pipe, cooling tower water inlet pipe are connected with water circulating pipe respectively；Electromagnetic valve is had on cooling tower water inlet pipe；
Water pump and electric heater and water ga(u)ge is had on water circulating pipe；Water circulating pipe two ends connect egr system respectively
Cooler for recycled exhaust gas water inlet pipe and cooler for recycled exhaust gas outlet pipe, be equipped with the first temperature sensor and first on cooler for recycled exhaust gas water inlet pipe
Pressure transducer；
Egr system includes that cooler for recycled exhaust gas, cooler for recycled exhaust gas include cooler for recycled exhaust gas water inlet pipe and cooler for recycled exhaust gas outlet pipe, and EGR is cold
But the second temperature sensor and the second pressure transducer it are equipped with on device outlet pipe；
Egr system also includes electromotor, and electromotor includes exhaust main and engine intake manifold, the row of being provided with on exhaust main
Controlled atmosphere pressure valve；EGR air inlet pipe one end connect cooler for recycled exhaust gas, the other end is connected on exhaust main, be placed in aerofluxus pressure regulator valve and
Between electromotor, the first gas temperature sensor, the first gas pressure sensor and gas flowmeter are arranged on EGR air inlet pipe
On, EGR valve is arranged between cooler for recycled exhaust gas and EGR escape pipe, and EGR escape pipe is connected on engine intake manifold, and EGR goes out
Second gas temperature sensor and the second gas pressure sensor are installed on trachea.
The technical scheme of above-mentioned water circulation system: cooling tower is connected with water circulating pipe with outlet pipe by water inlet pipe, passes
Hot media (water) is injected in water circulation pipe by cooling tower, water pump provide power, make water through cooler for recycled exhaust gas at water circulation pipe
Middle circulation, goes round and begins again.By the flow of testing pump water, water is heating up through electric heater, by temperature sensor
The temperature of detection water, when temperature reaches requirement, electric heater quits work.When coolant-temperature gage is too high need decline time, electromagnetic valve
Open, make part water be entered cooling tower by cooler water inlet pipe and cool down, covered water by cooling water outlet pipe again after cooling and follow
Endless tube road, so that the temperature of water declines in pipeline.
The operation principle of above-mentioned egr system: by regulating the operating mode of electromotor, the cooler for recycled exhaust gas air inlet needed for obtaining
Temperature, by regulation exhaust backpressure valve, to obtain cooler for recycled exhaust gas admission pressure and flow.
Water inlet and outlet reload temperature and pressure transducer respectively at cooler for recycled exhaust gas；By regulation water pump power
Size, required discharge can be obtained；Being heated water by electric heater, when water temperature reaches desired value, electricity adds
Hot device quits work, when coolant-temperature gage is too high need decline time, electromagnetic valve is opened, and makes part water be discharged by coolant outlet, enter
Cooling tower cools down, and is covered water circulating pipe by cooling water inlet after cooling, so that in pipeline, the temperature of water declines, to obtain
Take the water temperature of required cooler for recycled exhaust gas water inlet；Achieve water at the temperature and pressure of cooler for recycled exhaust gas entery and delivery port and water
Flow.
After electromotor expellant gas is cooled down by water circulation by gas flowmeter entrance cooler for recycled exhaust gas, via
EGR valve and EGR pipe enter engine intake manifold, and install temperature and pressure sensor at cooler for recycled exhaust gas inlet, outlet.
By regulating engine operating condition and being arranged on aerofluxus pressure regulator valve on exhaust main, required EGR cooling can be obtained
The gas temperature of device air inlet and gas flow, and gas pressure can be measured；Gas, after cooler for recycled exhaust gas cools down, passes through temperature
Temperature and pressure value is obtained with pressure transducer.
Measure the temperature of cooler for recycled exhaust gas water-in and water-out and the temperature of inlet, outlet, and flow through water and the gas of cooler for recycled exhaust gas
Flow, carry out the calculating of EGR cooling effectiveness；Calculating water passes through need to test during the circulating resistance of cooler for recycled exhaust gas the pressure of water-in and water-out
Power；Calculating gas passes through need to test during the pressure drop of cooler for recycled exhaust gas the pressure of inlet, outlet.
The cooler for recycled exhaust gas cooling effectiveness test device that the present invention provides, simple in construction, small volume, with low cost, utilize
Water circulation system, combines with the engine test platform being equipped with egr system, needed for carrying out cooler for recycled exhaust gas cooling effectiveness
Indices test.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Wherein: 1-water circulation system, 2-EGR system, 3-cooling tower, 4-cooling tower outlet pipe, 5-water circulating pipe, 6-water
Pump, 7-electric heater, 8-water ga(u)ge, 9-EGR cooler, 10-EGR cooler water inlet pipe, 11-the first temperature sensor, 12-
First pressure transducer, 13-EGR cooler outlet pipe, 14-the second temperature sensor, 15-the second pressure transducer, 16-electromagnetism
Valve, 17-cooling tower water inlet pipe, 18-electromotor, 19-exhaust main, 20-aerofluxus pressure regulator valve, 21-EGR air inlet pipe, 22-the first gas
Temperature sensor, 23-the first gas pressure sensor, 24-gas flowmeter, 25-EGR valve, 26-EGR escape pipe, 27-enter
Gas house steward, 28-the second gas temperature sensor, 29-the second gas pressure sensor.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are further illustrated.
As it is shown in figure 1, cooler for recycled exhaust gas cooling effectiveness test device includes water circulation system 1 and egr system 2；
Water circulation system 1 includes cooling tower 3 and water circulating pipe 5, and cooling tower 3 has cooling tower outlet pipe 4, cooling tower water inlet pipe
17, described cooling tower outlet pipe 4, cooling tower water inlet pipe 17 are connected with water circulating pipe 5 respectively；Have on cooling tower water inlet pipe 17
Electromagnetic valve 16；
Water pump 6 and electric heater 7 and water ga(u)ge 8 is had on water circulating pipe 5；Water circulating pipe 5 two ends connect EGR system respectively
The cooler for recycled exhaust gas water inlet pipe 10 of system 2 and cooler for recycled exhaust gas outlet pipe 13, be equipped with the first temperature on cooler for recycled exhaust gas water inlet pipe 10 and pass
Sensor 11 and the first pressure transducer 12；
Egr system 2 includes that cooler for recycled exhaust gas 9, cooler for recycled exhaust gas 9 include cooler for recycled exhaust gas water inlet pipe 10 and cooler for recycled exhaust gas outlet pipe
13, cooler for recycled exhaust gas outlet pipe 13 is equipped with the second temperature sensor 14 and the second pressure transducer 15；
Egr system 2 also includes that electromotor 18, electromotor 18 include exhaust main 19 and engine intake manifold 27, exhaust main
Aerofluxus pressure regulator valve 20 is installed on 19；EGR air inlet pipe 21 one end connects cooler for recycled exhaust gas 9, and the other end is connected to exhaust main 19
On, it is placed between aerofluxus pressure regulator valve 20 and electromotor 18, first gas temperature sensor the 22, first gas pressure sensor 23
And gas flowmeter 24 is arranged in EGR air inlet pipe 21, EGR valve 25 is arranged between cooler for recycled exhaust gas 9 and EGR escape pipe 26,
EGR escape pipe 26 is connected on engine intake manifold 27, and EGR escape pipe 26 is provided with the second gas temperature sensor 28 He
Second gas pressure sensor 29.
Water circulation system 1: water is injected in water circulating pipe 5, by water pump 6 by cooling tower outlet pipe 4 by cooling tower 3
Thering is provided power to make water be circulated in water circulating pipe 5, water is entered by water ga(u)ge 8 by after electric heater 7 heat temperature raising
Cooler for recycled exhaust gas water inlet pipe 10, is equipped with the first temperature sensor 11 and the first pressure transducer on cooler for recycled exhaust gas water inlet pipe 10
12, the temperature of water, pressure and flow value before monitoring entrance cooler for recycled exhaust gas 9；
Water enters cooler for recycled exhaust gas 9 through cooler for recycled exhaust gas water inlet pipe 10, is entered by cooler for recycled exhaust gas outlet pipe 13 after being cooled down by gas
Water circulating pipe 5 is circulated, cooler for recycled exhaust gas outlet pipe 13 is equipped with the second temperature sensor 14 and the second pressure sensing
Device 15, can monitor the temperature and pressure value through cooler for recycled exhaust gas 9 water outlet；
The hydraulic pressure force value at required water flow value and cooler for recycled exhaust gas water inlet pipe 10 can be obtained by the power of regulation water pump 6, by
Water ga(u)ge 8 and the first pressure transducer 12 read；Can monitor by the temperature and pressure value of water after cooler for recycled exhaust gas 9 simultaneously, by
Second temperature sensor 14 and the second pressure transducer 15 read.
By electric heater 7, water is heated, when the water temperature shown by the first temperature sensor 11 reaches desired value,
Electric heater 7 quits work；When coolant-temperature gage is too high need decline time, electromagnetic valve 16 is opened, and makes part water flow from water circulating pipe 5
Going out, cooled tower water inlet pipe 17 enters cooling tower 3 and cools down, and is covered water circulating pipe 5 by cooling tower outlet pipe 4 after cooling
In, the water temperature in cooler for recycled exhaust gas the water inlet pipe 10 so that temperature of water declines in water circulating pipe 5, needed for obtaining；
Egr system 2: being provided with aerofluxus pressure regulator valve 20 on the exhaust main 19 of electromotor 18, EGR air inlet pipe 21 is by cooler for recycled exhaust gas 9
Connecting with exhaust main 19, the first gas temperature sensor 22 and the first gas pressure sensor 23 and gas flowmeter 24 are put
Being monitored in EGR air inlet pipe 21, EGR valve 25 is arranged between cooler for recycled exhaust gas 9 and EGR escape pipe 26, EGR escape pipe 26
Being connected on engine intake manifold 27, EGR is given vent to anger by the second gas temperature sensor 28 and the second gas pressure sensor 29
In pipe 26, gas is monitored.
When electromotor 18 works, expellant gas is entered cooler for recycled exhaust gas 9 by exhaust main 19 through EGR air inlet pipe 21, cooling
After, then entered engine intake manifold 27 by EGR valve 25 through EGR escape pipe 26, hence into electromotor 18.
Electromotor 18 is made to work, the operating mode of regulation electromotor 18 and the aperture of aerofluxus pressure regulator valve 20, the EGR needed for obtaining
The intake air temperature of cooler 9 and admission pressure, read by first gas temperature sensor the 22, first gas pressure sensor 23
Numerical value, and the gas flow values flowing through cooler for recycled exhaust gas 9 is read by gas flowmeter 24；Gas through cooler for recycled exhaust gas 9 cool down after,
The temperature and pressure value after cooling is read by the second gas temperature sensor 28 and the second gas pressure sensor 29.
Claims (2)
1.EGR cooler cooling effectiveness test device, it is characterised in that: include water circulation system (1) and egr system (2)；
Water circulation system (1) includes cooling tower (3) and water circulating pipe (5), and cooling tower (3) has cooling tower outlet pipe (4), cooling
Tower water inlet pipe (17), described cooling tower outlet pipe (4), cooling tower water inlet pipe (17) are connected with water circulating pipe (5) respectively；Cold
But there is electromagnetic valve (16) on tower water inlet pipe (17)；
Water pump (6) and electric heater (7) and water ga(u)ge (8) is had on water circulating pipe (5)；Water circulating pipe (5) two ends are divided
Do not connect cooler for recycled exhaust gas water inlet pipe (10) and the cooler for recycled exhaust gas outlet pipe (13) of egr system (2)；
Egr system (2) includes that cooler for recycled exhaust gas (9), cooler for recycled exhaust gas (9) include cooler for recycled exhaust gas water inlet pipe (10) and cooler for recycled exhaust gas
Outlet pipe (13)；
Egr system (2) also includes that electromotor (18), electromotor (18) include exhaust main (19) and engine intake manifold
(27), exhaust main (19) is provided with aerofluxus pressure regulator valve (20)；EGR air inlet pipe (21) one end connects cooler for recycled exhaust gas (9), separately
One end is connected on exhaust main (19), is placed between aerofluxus pressure regulator valve (20) and electromotor (18), and EGR valve (25) is installed
Between cooler for recycled exhaust gas (9) and EGR escape pipe (26), EGR escape pipe (26) is connected on engine intake manifold (27).
Cooler for recycled exhaust gas cooling effectiveness the most according to claim 1 test device, it is characterised in that:
Cooler for recycled exhaust gas water inlet pipe (10) is provided with the first temperature sensor (11) and the first pressure transducer (12)；
Cooler for recycled exhaust gas outlet pipe (13) is provided with the second temperature sensor (14) and the second pressure transducer (15)；
EGR air inlet pipe (21) is provided with the first gas temperature sensor (22), the first gas pressure sensor (23) and
Gas flowmeter (24)；
EGR escape pipe (26) is provided with the second gas temperature sensor (28) and the second gas pressure sensor (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610625622.2A CN106092632A (en) | 2016-08-01 | 2016-08-01 | Cooler for recycled exhaust gas cooling effectiveness test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610625622.2A CN106092632A (en) | 2016-08-01 | 2016-08-01 | Cooler for recycled exhaust gas cooling effectiveness test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106092632A true CN106092632A (en) | 2016-11-09 |
Family
ID=57453654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610625622.2A Pending CN106092632A (en) | 2016-08-01 | 2016-08-01 | Cooler for recycled exhaust gas cooling effectiveness test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106092632A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655286A (en) * | 2019-02-20 | 2019-04-19 | 南通盛立德金属材料科技有限公司 | Car coolers cooling rate detection device |
| CN110735749A (en) * | 2019-11-05 | 2020-01-31 | 哈尔滨电机厂有限责任公司 | hydro-generator bearing cooler cooling efficiency measuring system |
| CN111337287A (en) * | 2020-04-23 | 2020-06-26 | 陕西安得电力设备制造有限公司 | Transformer cooler cooling efficiency monitoring system |
| CN112282986A (en) * | 2020-10-30 | 2021-01-29 | 安徽江淮汽车集团股份有限公司 | Method and system for monitoring cooling efficiency of exhaust gas recirculation system and storage medium |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655286A (en) * | 2019-02-20 | 2019-04-19 | 南通盛立德金属材料科技有限公司 | Car coolers cooling rate detection device |
| CN110735749A (en) * | 2019-11-05 | 2020-01-31 | 哈尔滨电机厂有限责任公司 | hydro-generator bearing cooler cooling efficiency measuring system |
| CN110735749B (en) * | 2019-11-05 | 2021-01-26 | 哈尔滨电机厂有限责任公司 | System for measuring cooling efficiency of bearing cooler of hydraulic generator |
| CN111337287A (en) * | 2020-04-23 | 2020-06-26 | 陕西安得电力设备制造有限公司 | Transformer cooler cooling efficiency monitoring system |
| CN112282986A (en) * | 2020-10-30 | 2021-01-29 | 安徽江淮汽车集团股份有限公司 | Method and system for monitoring cooling efficiency of exhaust gas recirculation system and storage medium |
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Application publication date: 20161109 |
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