CN209460660U - Automobile test cooling medium low temperature high temperature switching control - Google Patents
Automobile test cooling medium low temperature high temperature switching control Download PDFInfo
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- CN209460660U CN209460660U CN201822269009.9U CN201822269009U CN209460660U CN 209460660 U CN209460660 U CN 209460660U CN 201822269009 U CN201822269009 U CN 201822269009U CN 209460660 U CN209460660 U CN 209460660U
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Abstract
The utility model relates to a kind of automobile test cooling medium low temperature high temperature switching controls.Automobile test cooling medium low temperature high temperature switching control includes: first heat exchanger, second heat exchanger, two-way ratio adjusting valve, the first cooling medium, the second cooling medium, third cooling medium, heater and two three-way diverter valves.It is to divide with preset temperature, by the cooling medium of measured piece, that is the target temperature of the second cooling medium is divided into high temperature and low temperature, when low temperature, it only needs to cool down using first heat exchanger, when high temperature, it only needs to heat up using second heat exchanger, cooling and heating are separately controlled, the temperature difference of each process is reduced, and then reaches the energy consumption reduced when cooling tower cools down to the first cooling medium and the second cooling medium, simultaneously because the temperature difference becomes smaller, the temperature that the second cooling medium can be improved reaches the speed of target temperature, improves test efficiency.
Description
Technical field
The utility model relates to automobile power assembly experimental fields, and in particular to a kind of automobile test cooling medium low temperature
High temperature switching control.
Background technique
Automobile power assembly laboratory usually provides a variety of cooling mediums: cooling water (is cooled down) by cooling tower, 7 DEG C of freezings
Water and ultralow temperature cooling water.Rack is tested with power assembly and is gone with ultralow temperature cooling water major part temperature at -30 DEG C at present
The development of industry, power assembly laboratory have the tendency that further decreasing to the temperature requirement of ultralow temperature cooling water.Such as with -50 DEG C
The cooling water of rank substitutes -30 DEG C of cooling water.Due to further decreasing for coolant temperature, current power assembly rack
Various temperature control devices (engine coolant temperature control, motor coolant liquid temperature control, engine motor oil temperature control, transmission oil temperature control,
In cold temperature control, fuel oil temperature control etc.) do not adapt to ultralow temperature cooling water, will lead to the heat exchanger freezing in temperature control device.
Since the temperature of the cooling medium of measured piece is carried out at -30 degrees Celsius to 100 degrees Celsius using using same cold
But when medium carries out temperature control to the cooling medium of measured piece, the temperature difference that will lead to cooling medium becomes larger, at this point, increasing cold
But the cooling consumption of tower.
How to solve the above problems, is urgently to be resolved at present.
Utility model content
The purpose of the utility model is to provide a kind of automobile test cooling medium low temperature high temperature switching controls, thus
Realization separately cools down to measured piece cooling medium in high temperature and low temperature, reduces the purpose of energy consumption.
In order to solve the above-mentioned technical problem, the utility model provides a kind of automobile test cooling medium low temperature high-temperature machining
Change control device, comprising:
First heat exchanger, second heat exchanger, two-way ratio adjusting valve, the first cooling medium, the second cooling medium,
Three cooling mediums, heater and two three-way diverter valves；
The temperature of first cooling medium is lower than the third cooling medium；
The two-way ratio adjusting valve is suitable for changing the uninterrupted that the first cooling medium enters heat exchanger, thus to T1
The temperature at place is controlled；
Third cooling medium is suitable for changing the temperature of second heat exchanger；
The three-way diverter valve, which is suitable for controlling the second cooling medium according to the target temperature at T3, flows into first heat exchanger
Or second heat exchanger；
When target temperature at the T3 is less than preset temperature, the first heat exchanger is suitable for changing the second of measured piece
The temperature of cooling medium, to control temperature of second cooling medium at T3；
When the target temperature that the T3 goes out is greater than preset temperature, the second heat exchanger and heater are suitable for changing quilt
The temperature for surveying the second cooling medium of part, to control temperature of second cooling medium at T3.
Further, the automobile test cooling medium low temperature high temperature switching control includes first circulation and
Two circulations；
First cooling medium respectively enters first circulation and second circulation；
First cooling medium enters the uninterrupted of first circulation and second circulation by changing opening for two regulating valves
Degree changes.
Further, the aperture of the two regulating valves is controlled by PLC controller.
Further, the first circulation successively includes first circulation pump, check valve and heat exchange according to loop direction
Device；
The second circulation successively includes the first cooling medium water inlet according to loop direction, first heat exchanger, first follows
Ring pump, two regulating valves and the water outlet of the first cooling medium；
The two regulating valves are suitable for through PLC controller control aperture, to change into the first cold of first circulation
But the uninterrupted of medium, to control the temperature at T1.
Further, the PLC controller is suitable for controlling second cooling medium by two three-way diverter valves
The 4th circulation and the 5th circulation are recycled or respectively enterd into third；
Second cooling medium enters the ratio of the 4th circulation and the 5th circulation by changing the second three-way control valve
Aperture change to change the temperature of the second cooling medium.
Further, third circulation successively include according to loop direction the water inlet of the second cooling medium, second circulation pump,
Three-way diverter valve, first heat exchanger, another three-way diverter valve and the water outlet of the second cooling medium；
4th circulation successively includes the water inlet of the second cooling medium, second circulation pump, triplet commutation according to loop direction
Valve, the second three-way control valve, heater, another three-way diverter valve and the water outlet of the second cooling medium；
5th circulation successively includes the water inlet of the second cooling medium, second circulation pump, triplet commutation according to loop direction
Valve, three-way control valve, second heat exchanger, another three-way diverter valve and the water outlet of the second cooling medium；
The PLC controller, which is suitable for entering third by the two three-way diverter valves control second cooling mediums, to be followed
Ring respectively enters the 4th circulation and the 5th circulation；
The PLC controller is further adapted for the aperture by changing three-way control valve and enters to change second cooling medium
The ratio of 4th circulation and the 5th circulation, to controlled in the temperature that T3 goes out the second cooling medium.
Further, the second cooling medium water inlet one expansion tank of connection.
The utility model has the beneficial effects that the utility model provides a kind of automobile test cooling medium low temperature high temperature
Switching control.Automobile test cooling medium low temperature high temperature switching control includes: first heat exchanger, the second heat friendship
Parallel operation, two-way ratio adjusting valve, the first cooling medium, the second cooling medium, third cooling medium, heater and two threeways
Reversal valve；The temperature of first cooling medium is lower than the third cooling medium；The two-way ratio adjusting valve is suitable for changing
First cooling medium enters the uninterrupted of heat exchanger, to control the temperature at T1；Third cooling medium is suitable for
Change the temperature of second heat exchanger；The three-way diverter valve is suitable for controlling the second cooling medium stream according to the target temperature at T3
Enter first heat exchanger or second heat exchanger；When target temperature at the T3 is less than preset temperature, first heat exchange
Device is suitable for changing the temperature of the second cooling medium of measured piece, to control temperature of second cooling medium at T3；
When the target temperature that the T3 goes out is greater than preset temperature, the second heat exchanger and heater are suitable for changing the of measured piece
The temperature of two cooling mediums, to control temperature of second cooling medium at T3.It is to divide with preset temperature, it will be by
The cooling medium of part is surveyed, i.e. the target temperature of the second cooling medium is divided into high temperature and low temperature, when low temperature, it is only necessary to use the
One heat exchanger cools down, when high temperature, it is only necessary to it is heated up using second heat exchanger, it will cooling and heating separately control
System, reduces the temperature difference of each process, and then reaches and reduce cooling tower to the first cooling medium and the cooling of the second cooling medium
When energy consumption, simultaneously because the temperature difference becomes smaller, the temperature that the second cooling medium can be improved reaches the speed of target temperature, mentions
High test efficiency.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of automobile test cooling medium low temperature high temperature switching control provided by the utility model
Figure.
In figure: 110- first circulation pump；120- check valve；130- two regulating valves；140- second circulation pump；150- threeway
Reversal valve；160- three-way control valve.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment
As shown in Figure 1, present embodiments providing a kind of automobile test cooling medium low temperature high temperature switching control.Vapour
Vehicle test cooling medium low temperature high temperature switching control includes: first heat exchanger, second heat exchanger, two-way ratio tune
Save valve, the first cooling medium, the second cooling medium, third cooling medium, heater and two three-way diverter valves 150；It is described
The temperature of first cooling medium is lower than the third cooling medium；The two-way ratio adjusting valve is suitable for changing the first cooling medium
Into the uninterrupted of heat exchanger, to control the temperature at T1；Third cooling medium is suitable for changing the second heat and hands over
The temperature of parallel operation；The three-way diverter valve 150, which is suitable for controlling the second cooling medium according to the target temperature at T3, flows into the first heat
Exchanger or second heat exchanger；When target temperature at the T3 is less than preset temperature, the first heat exchanger is suitable for changing
The temperature for becoming the second cooling medium of measured piece, to control temperature of second cooling medium at T3；The T3 goes out
Target temperature when being greater than preset temperature, what the second heat exchanger and heater were suitable for changing measured piece second cooling is situated between
The temperature of matter, to control temperature of second cooling medium at T3.It is to divide with preset temperature, by the cold of measured piece
But medium, the i.e. target temperature of the second cooling medium are divided into high temperature and low temperature, when low temperature, it is only necessary to use the first heat exchange
Device cools down, when high temperature, it is only necessary to be heated up using second heat exchanger, cooling and heating are separately controlled, made each
The temperature difference of process reduces, and then reaches the energy reduced when cooling tower cools down to the first cooling medium and the second cooling medium and disappear
Consumption, simultaneously because the temperature difference becomes smaller, the temperature that the second cooling medium can be improved reaches the speed of target temperature, improves test effect
Rate.
In the present embodiment, the automobile test cooling medium low temperature high temperature switching control include first circulation with
And second circulation；First cooling medium respectively enters first circulation and second circulation；First cooling medium enters first circulation
And the uninterrupted of second circulation is changed by changing the aperture of two regulating valves 130.The aperture of the two regulating valves 130
It is controlled by PLC controller.
Wherein, the first circulation successively includes that first circulation pump 110, check valve 120 and heat are handed over according to loop direction
Parallel operation；The second circulation successively includes the first cooling medium water inlet, first heat exchanger, first circulation pump according to loop direction
110, two regulating valves 130 and the water outlet of the first cooling medium；The two regulating valves 130 are suitable for controlling by PLC controller
Aperture, to change the uninterrupted into the first cooling medium of first circulation, to control the temperature at T1.
PLC controller and two regulating valves 130 are electrically connected, and the aperture of two regulating valves 130 and the proportionate relationship of the temperature at T1 are logical
Experimental data is crossed to obtain.
In the present embodiment, the PLC controller is suitable for controlling described second by two three-way diverter valves 150 cold
But medium enters third circulation or respectively enters the 4th circulation and the 5th circulation；Second cooling medium enters the 4th and follows
The ratio of ring and the 5th circulation changes to change the second cooling medium by changing the aperture of the second three-way control valve 160
Temperature.
Specifically, the third circulation successively includes the water inlet of the second cooling medium, second circulation pump according to loop direction
140, three-way diverter valve 150, first heat exchanger, another three-way diverter valve 150 and the water outlet of the second cooling medium；Described 4th
Circulation successively includes the water inlet of the second cooling medium, second circulation pump 140, three-way diverter valve 150, threeway adjusting according to loop direction
Valve 160, heater, another three-way diverter valve 150 and the water outlet of the second cooling medium；It is described 5th circulation according to loop direction according to
Secondary includes the water inlet of the second cooling medium, second circulation pump 140, three-way diverter valve 150, three-way control valve 160, the second heat exchange
Device, another three-way diverter valve 150 and the water outlet of the second cooling medium；The PLC controller is suitable for changing by two threeways
To valve 150 control second cooling medium enter third circulation or respectively enter the 4th circulation and the 5th circulation；It is described
PLC controller is further adapted for the aperture by changing three-way control valve 160 to change second cooling medium into the 4th circulation
And the 5th circulation ratio, thus to the second cooling medium T3 go out temperature control.
In the present embodiment, the second cooling medium water inlet one expansion tank of connection.Prevent tested cooling medium from adding
When hot, due to water volume increase caused by expanding with heat and contract with cold, the situations such as pipe bursting is caused to occur.
In conclusion the utility model provides a kind of automobile test cooling medium low temperature high temperature switching control.
Automobile test cooling medium low temperature high temperature switching control includes: first heat exchanger, second heat exchanger, two-way ratio
Regulating valve, the first cooling medium, the second cooling medium, third cooling medium, heater and two three-way diverter valves；Described
The temperature of one cooling medium is lower than the third cooling medium；The two-way ratio adjusting valve be suitable for change the first cooling medium into
Enter the uninterrupted of heat exchanger, to control the temperature at T1；Third cooling medium is suitable for changing the second heat exchange
The temperature of device；The three-way diverter valve, which is suitable for controlling the second cooling medium according to the target temperature at T3, flows into first heat exchanger
Or second heat exchanger；When target temperature at the T3 is less than preset temperature, the first heat exchanger is suitable for changing tested
The temperature of second cooling medium of part, to control temperature of second cooling medium at T3；The target that the T3 goes out
When temperature is greater than preset temperature, the temperature of the second cooling medium of the second heat exchanger and heater suitable for changing measured piece
Degree, to control temperature of second cooling medium at T3.It is to divide with preset temperature, cooling by measured piece is situated between
Matter, the i.e. target temperature of the second cooling medium are divided into high temperature and low temperature, when low temperature, it is only necessary to using first heat exchanger into
Row cooling, when high temperature, it is only necessary to be heated up using second heat exchanger, cooling and heating are separately controlled, each process is made
The temperature difference reduce, and then reach the energy consumption reduced when cooling tower cools down to the first cooling medium and the second cooling medium,
Simultaneously because the temperature difference becomes smaller, the temperature that the second cooling medium can be improved reaches the speed of target temperature, improves test efficiency.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (7)
1. a kind of automobile test cooling medium low temperature high temperature switching control characterized by comprising
First heat exchanger, second heat exchanger, two-way ratio adjusting valve, the first cooling medium, the second cooling medium, third are cold
But medium, heater and two three-way diverter valves；
The temperature of first cooling medium is lower than the third cooling medium；
The two-way ratio adjusting valve is suitable for changing the uninterrupted that the first cooling medium enters heat exchanger, thus to T1
Temperature is controlled；
Third cooling medium is suitable for changing the temperature of second heat exchanger；
The three-way diverter valve is suitable for controlling the second cooling medium inflow first heat exchanger or the according to the target temperature at the place T3
Two heat exchangers；
When target temperature at the T3 is less than preset temperature, the first heat exchanger is suitable for changing the second cooling of measured piece
The temperature of medium, to control temperature of second cooling medium at T3；
When target temperature at the T3 is greater than preset temperature, the second heat exchanger and heater are suitable for changing measured piece
The second cooling medium temperature, to control temperature of second cooling medium at T3.
2. automobile test as described in claim 1 cooling medium low temperature high temperature switching control, which is characterized in that described
Automobile test cooling medium low temperature high temperature switching control includes first circulation and second circulation；
First cooling medium respectively enters first circulation and second circulation；
The uninterrupted that first cooling medium enters first circulation and second circulation is changed by changing the aperture of two regulating valves
Become.
3. automobile test as claimed in claim 2 cooling medium low temperature high temperature switching control, which is characterized in that
The aperture of the two regulating valves is controlled by PLC controller.
4. automobile test as claimed in claim 3 cooling medium low temperature high temperature switching control, which is characterized in that
The first circulation successively includes first circulation pump, check valve and heat exchanger according to loop direction；
The second circulation successively include according to loop direction the first cooling medium water inlet, first heat exchanger, first circulation pump,
Two regulating valves and the water outlet of the first cooling medium；
The two regulating valves are suitable for controlling aperture by PLC controller, to change first cooling Jie into first circulation
The uninterrupted of matter, to control the temperature at T1.
5. automobile test as claimed in claim 4 cooling medium low temperature high temperature switching control, which is characterized in that described
PLC controller be suitable for controlling by two three-way diverter valves second cooling mediums enter third recycle or respectively into
Enter the 4th circulation and the 5th circulation；
Second cooling medium enters the ratio of the 4th circulation and the 5th circulation by changing opening for the second three-way control valve
It spends to change to change the temperature of the second cooling medium.
6. automobile test as claimed in claim 5 cooling medium low temperature high temperature switching control, which is characterized in that
Third circulation successively includes the water inlet of the second cooling medium, second circulation pump, three-way diverter valve, the according to loop direction
One heat exchanger, another three-way diverter valve and the water outlet of the second cooling medium；
4th circulation successively includes the water inlet of the second cooling medium, second circulation pump, three-way diverter valve, the according to loop direction
Two three-way control valves, heater, another three-way diverter valve and the water outlet of the second cooling medium；
5th circulation successively includes the water inlet of the second cooling medium, second circulation pump, three-way diverter valve, the according to loop direction
Two three-way control valves, second heat exchanger, another three-way diverter valve and the water outlet of the second cooling medium；
The PLC controller be suitable for controlling by two three-way diverter valves second cooling mediums enter third recycle or
Person respectively enters the 4th circulation and the 5th circulation；
The PLC controller is further adapted for the aperture by changing three-way control valve to change second cooling medium into the 4th
The ratio of circulation and the 5th circulation, to controlled in the temperature that T3 goes out the second cooling medium.
7. automobile test as claimed in claim 6 cooling medium low temperature high temperature switching control, which is characterized in that described
Second cooling medium water inlet one expansion tank of connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822269009.9U CN209460660U (en) | 2018-12-30 | 2018-12-30 | Automobile test cooling medium low temperature high temperature switching control |
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| CN201822269009.9U CN209460660U (en) | 2018-12-30 | 2018-12-30 | Automobile test cooling medium low temperature high temperature switching control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727587A (en) * | 2019-10-28 | 2021-04-30 | 广州汽车集团股份有限公司 | Coolant liquid temperature control system |
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2018
- 2018-12-30 CN CN201822269009.9U patent/CN209460660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727587A (en) * | 2019-10-28 | 2021-04-30 | 广州汽车集团股份有限公司 | Coolant liquid temperature control system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215536 No. 1, XingMao Road, Bixi street, Changshu, Suzhou, Jiangsu Patentee after: Suzhou Intermold Technology Co.,Ltd. Address before: No. 22, Maqiao Industrial Square, Yanjiang Industrial Zone, Changshu Economic Development Zone, Suzhou City, Jiangsu Province, 215513 Patentee before: SUZHOU YINGTEMO AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |