CN203455170U - Intercooler water flow controller - Google Patents
Intercooler water flow controller Download PDFInfo
- Publication number
- CN203455170U CN203455170U CN201320465465.5U CN201320465465U CN203455170U CN 203455170 U CN203455170 U CN 203455170U CN 201320465465 U CN201320465465 U CN 201320465465U CN 203455170 U CN203455170 U CN 203455170U
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- air cooler
- charge air
- solenoid valve
- water flow
- type bypass
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Abstract
The utility model discloses an intercooler water flow controller comprising a water pump connected with water source; the water pump is connected with the intercooler and a heat exchanger of a diesel engine in sequence through a water flow main pipe; a first electric valve is arranged between the intercooler and the heat exchanger; the water flow main pipe between the water pump and the intercooler is provided with a first flowmeter and a second flowmeter; a water flow branch pipe is arranged between the first and second flowmeters, connected with the heat exchanger, and provided with a second electric valve. The intercooler water flow controller can complete intercooling air inflow temperature limit test and different water volume intercooler efficiency test without affecting cooling process of the diesel engine, can provide test data for better matching water flow in the water pump and cooling area of the intercooler, thereby enabling the matching to be more reasonable.
Description
Technical field
The utility model relates to diesel engine performance technical field of measurement and test, especially relates to a kind of charge air cooler water flow control device.
Background technology
Turbocharged and intercooled diesel engine is cold laggard air exhaustion limit humid test and charge air cooler efficiency test in need to carrying out, cold rear intake air temperature in controlling by the control outer circulation water yield during underway cold laggard air exhaustion limit humid test, because most diesel oil machine charge air cooler and heat exchanger are arranged in series, must reduce the discharge that enters heat exchanger during cold rear intake air temperature in improving reducing the outer circulation water yield like this, cause diesel engine water temperature too high, sometimes also there will be the overheated scuffing of cylinder bore fault that causes of diesel engine; If consider, diesel engine water temperature plateau, because just not accomplishing the ultimate temperature of cold rear air inlet in diesel engine, does not reach test effect.As shown in Figure 1, prior art is in carrying out turbocharged and intercooled diesel engine during cold laggard air exhaustion limit humid test, water pump 2 is connected with charge air cooler 4 and heat exchanger 5, water pump 2 connects water source 1, cold rear intake air temperature in controlling by the valve 18 control outer circulation water yields, reduces cold rear intake air temperature in the raising of the outer circulation water yield and reaches diesel engine limit delivery temperature; In diesel engine after the ultimate temperature of cold rear temperature, thus operating personnel must go to open valve reduce in cold rear temperature lower delivery temperature, need certain reaction and running time, during may cause diesel exhaust gas excess Temperature infringement machine.When charge air cooler efficiency test, consider diesel engine water temperature problem, can only carry out the charge air cooler efficiency of constant flow, can not carry out the Optimized Matching test of pump capacity and charge air cooler area of dissipation.
Utility model content
Technical problem to be solved in the utility model is: a kind of charge air cooler water flow control device is provided, cold rear intake air temperature marginal test and different water yield charge air cooler efficiency test in can completing in the situation that not affecting diesel engine cooling, for better mating the flow of water pump and the film-cooled heat of charge air cooler, provide test figure, make it to mate more rational.
For solving the problems of the technologies described above, the technical solution of the utility model is: charge air cooler water flow control device, comprise the water pump that connects water source, described water pump is communicated with charge air cooler and the heat exchanger of diesel engine successively by current main line, between described charge air cooler and heat exchanger, be provided with the first electrically operated valve, current main line between described water pump and charge air cooler is provided with first flow meter and the second flowmeter, between described first flow meter and the second flowmeter, be provided with current bye-pass, described current bye-pass is communicated with described heat exchanger, described current bye-pass is provided with the second electrically operated valve.
Preferably, described charge air cooler water flow control device also comprises a ultralimit temperature control unit, described ultralimit temperature control unit comprises the temperature sensor that is arranged at Diesel Engine Exhaust Pipe place, and described temperature sensor is connected with controller, and described controller is connected with two-position relay; Described the first electrically operated valve is parallel with a closed type bypass solenoid valve, described current bye-pass is provided with the open type bypass solenoid valve of connecting with described the second electrically operated valve, two power contacts of a position of described two-position relay are connected with the solenoid of described closed type bypass solenoid valve, and two power contacts of another position of described two-position relay are connected with the solenoid of described open type bypass solenoid valve.
Preferably, between described controller and two-position relay, be provided with audible-visual annunciator.
Preferably, between described closed type bypass solenoid valve and two-position relay, be provided with and when two power contacts of two-position relay do not disconnect, can allow first hand switch of solenoid dead electricity of described closed type bypass solenoid valve, between described open type bypass solenoid valve and two-position relay, be provided with when two power contacts of two-position relay are disconnected and can allow the solenoid of described open type bypass solenoid valve obtain the second electric hand switch.
Preferably, described the first hand switch is normally closed switch, and described the second hand switch is normal open switch.
Adopted technique scheme, the beneficial effects of the utility model are: because the water pump of charge air cooler water flow control device is communicated with charge air cooler and the heat exchanger of diesel engine successively by current main line, between charge air cooler and heat exchanger, be provided with the first electrically operated valve, current main line between water pump and charge air cooler is provided with first flow meter and the second flowmeter, between first flow meter and the second flowmeter, be provided with current bye-pass, current bye-pass is communicated with heat exchanger, current bye-pass is provided with the second electrically operated valve, during use, by far distance controlled the first electrically operated valve and the second electrically operated valve regulate the discharge that enters charge air cooler control in cold rear intake air temperature, when regulating electrically operated valve and electrically operated valve to reduce to enter the discharge of charge air cooler, in cold rear intake air temperature raise, discharge reduction to a certain extent time diesel exhaust gas temperature reach capacity in cold rear intake air temperature reach capacity, now by regulating the aperture of electrically operated valve and electrically operated valve, the discharge that enters heat exchanger is remained unchanged, guaranteed the cooling of diesel engine, avoided causing owing to entering heat exchanger discharge reduction that diesel engine is overheated to break down.When carrying out charge air cooler efficiency test, the same aperture that regulates the first electrically operated valve and the second electrically operated valve, in the situation that not changing heat exchanger discharge, change the discharge that enters charge air cooler, measure under different discharge in cold front and back intake air temperature, turnover charge air cooler water temperature, calculates charge air cooler efficiency, whether charge air cooler area of dissipation that judgement is joined is suitable, accomplishes Optimum Matching.Therefore, the utility model is cold rear intake air temperature marginal test and different water yield charge air cooler efficiency test in can completing in the situation that not affecting diesel engine cooling, for better mating the flow of water pump and the film-cooled heat of charge air cooler, provide test figure, make it to mate more rational.This device can easily complete test mission can avoid again that diesel engine is overheated and row temperature is too high that diesel engine is caused damage, and has improved efficiency and the security of test.
Because charge air cooler water flow control device also comprises a ultralimit temperature control unit, ultralimit temperature control unit comprises the temperature sensor that is arranged at Diesel Engine Exhaust Pipe place, and temperature sensor is connected with audible-visual annunciator, audible-visual annunciator is connected with two-position relay, the first electrically operated valve is parallel with a closed type bypass solenoid valve, current bye-pass is provided with the open type bypass solenoid valve of connecting with the second electrically operated valve, two power contacts of a position of electromagnetism open and shut valve are connected with the solenoid of closed type bypass solenoid valve, two power contacts of another position of electromagnetism open and shut valve are connected with the solenoid of open type bypass solenoid valve, when diesel exhaust gas temperature oversteps the extreme limit the setting value of temperature, audible-visual annunciator sends sound and light alarm, and trigger two-position relay, the contact, right side of two-position relay is thrown off, make closed type bypass solenoid valve dead electricity, closed type bypass solenoid valve is open-minded, the left side closing of contact of while two-position relay, open type bypass solenoid valve obtains electric, open type bypass solenoid valve is closed, make the instantaneous increase of the water yield by charge air cooler, in cold rear intake air temperature reduce diesel exhaust gas temperature reduced, thereby avoided when diesel exhaust gas temperature surpasses setting value, because opening valve or reduce load, operating personnel need certain reaction time operation, cause time delays, cause diesel exhaust gas excess Temperature infringement machine.
Owing to being provided with between closed type bypass solenoid valve and two-position relay, when not disconnecting, two power contacts of two-position relay can allow first hand switch of solenoid dead electricity of closed type bypass solenoid valve, between open type bypass solenoid valve and two-position relay, being provided with when two power contacts of two-position relay are disconnected to allow the solenoid of open type bypass solenoid valve obtain the second electric hand switch, when ultralimit temperature control unit breaks down, can manually control closed type bypass solenoid valve and open type bypass solenoid valve, when diesel exhaust gas temperature oversteps the extreme limit the setting value of temperature, manual unlocking normally closed switch, make closed type bypass solenoid valve dead electricity, closed type bypass solenoid valve is open-minded, while manual closing normal open switch, open type bypass solenoid valve obtains electric, open type bypass solenoid valve is closed, make the instantaneous increase of the water yield by charge air cooler, play the protective effect same with ultralimit temperature control unit.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of prior art cold laggard air exhaustion limit humid test in carrying out turbocharged and intercooled diesel engine;
Fig. 2 is the structural representation of the utility model embodiment;
Wherein: 1, water source; 2, water pump; 3, current main line; 4, charge air cooler; 5, heat exchanger; 6, the first electrically operated valve; 7, first flow meter; 8, the second flowmeter; 9, current bye-pass; 10, the second electrically operated valve; 11, temperature sensor; 12, audible-visual annunciator; 13, two-position relay; 14, closed type bypass solenoid valve; 15, open type bypass solenoid valve; 16, normally closed switch; 17, normal open switch; 18 valves; 19, controller.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 2, charge air cooler water flow control device, comprise the water pump 2 that connects water source 1, water pump 2 is communicated with charge air cooler 4 and the heat exchanger 5 of diesel engine successively by current main line 3, between charge air cooler 4 and heat exchanger 5, be provided with the first electrically operated valve 6, current main line 3 between water pump 2 and charge air cooler 4 is provided with first flow meter 7 and the second flowmeter 8, between first flow meter 7 and the second flowmeter 8, be provided with current bye-pass 9, current bye-pass 9 is communicated with heat exchanger 5, and current bye-pass 9 is provided with the second electrically operated valve 10.
During use, by far distance controlled the first electrically operated valve 6 and the second electrically operated valve 10 regulate the discharge that enters charge air cooler 4 control in cold rear intake air temperature, when regulating the first electrically operated valve 6 and the second electrically operated valve 10 to reduce to enter the discharge of charge air cooler 4, in cold rear intake air temperature raise, discharge reduction to a certain extent time diesel exhaust gas temperature reach capacity in cold rear intake air temperature reach capacity, now by regulating the aperture of the first electrically operated valve 6 and the second electrically operated valve 10, the discharge that enters heat exchanger 5 is remained unchanged, guaranteed the cooling of diesel engine, avoided causing owing to entering heat exchanger 5 discharge reductions that diesel engine is overheated to break down.When carrying out charge air cooler 4 efficiency test, the same aperture that regulates the first electrically operated valve 6 and the second electrically operated valve 10, in the situation that not changing heat exchanger 5 discharge, change the discharge that enters charge air cooler 4, measure under different discharge in cold front and back intake air temperature, turnover charge air cooler 4 water temperatures, calculate charge air cooler 4 efficiency, whether charge air cooler 4 area of dissipations that judgement is joined are suitable, accomplish Optimum Matching.Therefore, the utility model is cold rear intake air temperature marginal test and different water yield charge air cooler 4 efficiency tests in can completing in the situation that not affecting diesel engine cooling, for better mating the flow of water pump 2 and the film-cooled heat of charge air cooler 4, provide test figure, make it to mate more rational.This device can easily complete test mission can avoid again that diesel engine is overheated and row temperature is too high that diesel engine is caused damage, and has improved efficiency and the security of test.
In addition, charge air cooler 4 water flow control devices also comprise a ultralimit temperature control unit, and ultralimit temperature control unit comprises the temperature sensor 11 that is arranged at Diesel Engine Exhaust Pipe place, and temperature sensor 11 is connected with controller 19; Controller 19 is connected with two-position relay 13, between controller 19 and two-position relay 13, be provided with audible-visual annunciator 12, the first electrically operated valve 6 is parallel with a closed type bypass solenoid valve 14, current bye-pass 9 is provided with the open type bypass solenoid valve 15 of connecting with the second electrically operated valve 10, two power contacts of a position of two-position relay 13 are connected with the solenoid of closed type bypass solenoid valve 14, and two power contacts of another position of two-position relay 13 are connected with the solenoid of open type bypass solenoid valve 15.When diesel exhaust gas temperature oversteps the extreme limit the setting value of temperature, audible-visual annunciator 12 sends sound and light alarm, and trigger two-position relay 13, the contact, right side of two-position relay 13 is thrown off, make closed type bypass solenoid valve 14 dead electricity, closed type bypass solenoid valve 14 is open-minded, the left side closing of contact of while two-position relay 13, open type bypass solenoid valve 15 obtains electric, open type bypass solenoid valve 15 is closed, make the instantaneous increase of the water yield by charge air cooler 4, in cold rear intake air temperature reduce diesel exhaust gas temperature reduced, thereby avoided when diesel exhaust gas temperature surpasses setting value, because opening valve or reduce load, operating personnel need certain reaction time operation, cause time delays, cause diesel exhaust gas excess Temperature infringement machine.
When ultralimit temperature control unit breaks down, between closed type bypass solenoid valve 14 and two-position relay 13, be provided with and when two power contacts of two-position relay 13 do not disconnect, can allow first hand switch of solenoid dead electricity of closed type bypass solenoid valve 14, between open type bypass solenoid valve 15 and two-position relay 13, be provided with when two power contacts of two-position relay 13 are disconnected and can allow the solenoid of open type bypass solenoid valve 15 obtain the second electric hand switch.In the present embodiment, the first hand switch is that normally closed switch 16, the second hand switches are normal open switch 17.Now can manually control closed type bypass solenoid valve 14 and open type bypass solenoid valve 15; when diesel exhaust gas temperature oversteps the extreme limit the setting value of temperature; manual unlocking normally closed switch 16; make closed type bypass solenoid valve 14 dead electricity, closed type bypass solenoid valve 14 is open-minded, simultaneously manual closing normal open switch 17; open type bypass solenoid valve 15 obtains electric; open type bypass solenoid valve 15 is closed, and makes the instantaneous increase of the water yield by charge air cooler 4, plays the protective effect same with ultralimit temperature control unit.
In sum; the utility model at the trial; the function of charge air cooler 4 efficiency under realizing constant change charge air cooler 4 inflows of heat exchanger 5 water yield and measuring different discharge; when delivery temperature exceeds the limit value of diesel engine; automatically control and increase the discharge that enters charge air cooler 4; reduce the function of delivery temperature, and can when protection be broken down automatically, realize manually and controlling.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection domain of the present utility model.
Claims (5)
1. charge air cooler water flow control device, comprise the water pump that connects water source, described water pump is communicated with charge air cooler and the heat exchanger of diesel engine successively by current main line, it is characterized in that, between described charge air cooler and heat exchanger, be provided with the first electrically operated valve, current main line between described water pump and charge air cooler is provided with first flow meter and the second flowmeter, between described first flow meter and the second flowmeter, be provided with current bye-pass, described current bye-pass is communicated with described heat exchanger, and described current bye-pass is provided with the second electrically operated valve.
2. charge air cooler water flow control device as claimed in claim 1, it is characterized in that, described charge air cooler water flow control device also comprises a ultralimit temperature control unit, described ultralimit temperature control unit comprises the temperature sensor that is arranged at Diesel Engine Exhaust Pipe place, described temperature sensor is connected with controller, and described controller is connected with two-position relay; Described the first electrically operated valve is parallel with a closed type bypass solenoid valve, described current bye-pass is provided with the open type bypass solenoid valve of connecting with described the second electrically operated valve, two power contacts of a position of described two-position relay are connected with the solenoid of described closed type bypass solenoid valve, and two power contacts of another position of described two-position relay are connected with the solenoid of described open type bypass solenoid valve.
3. charge air cooler water flow control device as claimed in claim 2, is characterized in that, between described controller and two-position relay, is provided with audible-visual annunciator.
4. charge air cooler water flow control device as claimed in claim 2, it is characterized in that, between described closed type bypass solenoid valve and two-position relay, be provided with and when two power contacts of two-position relay do not disconnect, can allow first hand switch of solenoid dead electricity of described closed type bypass solenoid valve, between described open type bypass solenoid valve and two-position relay, be provided with when two power contacts of two-position relay are disconnected and can allow the solenoid of described open type bypass solenoid valve obtain the second electric hand switch.
5. charge air cooler water flow control device as claimed in claim 4, is characterized in that, described the first hand switch is normally closed switch, and described the second hand switch is normal open switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465465.5U CN203455170U (en) | 2013-07-31 | 2013-07-31 | Intercooler water flow controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465465.5U CN203455170U (en) | 2013-07-31 | 2013-07-31 | Intercooler water flow controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455170U true CN203455170U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320465465.5U Expired - Lifetime CN203455170U (en) | 2013-07-31 | 2013-07-31 | Intercooler water flow controller |
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| Country | Link |
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| CN (1) | CN203455170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196652A (en) * | 2014-08-13 | 2014-12-10 | 潍柴动力股份有限公司 | EGR system and cooled EGR inlet temperature control method and control device |
| CN104912652A (en) * | 2015-05-25 | 2015-09-16 | 潍柴动力股份有限公司 | Intercooling control system and method |
-
2013
- 2013-07-31 CN CN201320465465.5U patent/CN203455170U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196652A (en) * | 2014-08-13 | 2014-12-10 | 潍柴动力股份有限公司 | EGR system and cooled EGR inlet temperature control method and control device |
| CN104196652B (en) * | 2014-08-13 | 2017-06-27 | 潍柴动力股份有限公司 | The control method and control device of a kind of egr system and its cold rear intake air temperature |
| CN104912652A (en) * | 2015-05-25 | 2015-09-16 | 潍柴动力股份有限公司 | Intercooling control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |