CN202745991U - Engine cooling system and vehicle - Google Patents
Engine cooling system and vehicle Download PDFInfo
- Publication number
- CN202745991U CN202745991U CN201220453528.0U CN201220453528U CN202745991U CN 202745991 U CN202745991 U CN 202745991U CN 201220453528 U CN201220453528 U CN 201220453528U CN 202745991 U CN202745991 U CN 202745991U
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- thermostat
- cooling liquid
- valve
- loop
- coolant
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Abstract
The utility model provides an engine cooling system and a vehicle. The engine cooling system comprises a cooling liquid pump, water sleeves arranged inside a cylinder body and a cylinder cover, a thermostat and a radiator; one path of cooling liquid inside the cooling liquid pump flows through the water sleeves, the thermostat and the radiator to form a large circulation loop, and the other path of cooling liquid inside the cooling liquid pump flows through the water sleeves and the thermostat to form a small circulation loop; the thermostat is provided with a main valve with openness varying with the temperature of the cooling liquid and a secondary valve with openness varying with the temperature of the cooling liquid; the main valve of the thermostat is connected with the radiator and is used for controlling the flow of the cooling liquid in the large circulation loop; and the secondary valve of the thermostat is connected with the cooling liquid pump and is used for controlling the flow of the cooling liquid in the small circulation loop. The engine cooling system provided by the utility model respectively controls the cooling liquid flow of the large circulation loop and the cooling liquid flow of the small circulation loop through the main valve and the secondary valve of the thermostat; the temperature of the cooling liquid can be accurately controlled; and the adjusting response time of the cooling liquid can be greatly reduced.
Description
Technical field
The utility model relates to a kind of engine-cooling system and vehicle, belongs to automobile technical field.
Background technique
The effect of thermostat is circulation route and the flow that changes cooling liquid in the car engine cooling system, automatically regulates intensity of cooling according to coolant temperature.When engine coolant temperature is low, the thermostat valve cuts out, cooling liquid is flowed to the pathway closure of radiator, make the cooling liquid that flows out from a merit machine cylinder cap directly flow back to cylinder body water jacket of engine through the coolant pump entrance, carry out short circle, at this moment because the cooling liquid radiator of not flowing through, heat dissipating capacity is few, in order to cooling liquid can be heated up rapidly, improve function of the engine and reduce wear.When coolant temperature is elevated to one regularly, the thermostat valve begins to open (and raise with coolant temperature, aperture is larger), and the control section cooling liquid enters radiator, and flows back to motor by radiator through coolant pump, carries out major cycle.At this moment because the cooling liquid radiator of flowing through, heat diffusion area is large, and heat dissipating capacity is many, and intensity of cooling is larger.When coolant temperature is elevated to one regularly again, thermostat valve standard-sized sheet, the cooling liquid that flows out from engine cylinder cover enters radiator, and at this moment intensity of cooling reaches maximum, high temperature occurs to prevent motor, guarantees that engine operation is in normal temperature range.But, thermostat generally all is to utilize main valve to control the coolant rate of major cycle in traditional engine-cooling system, come the water temperature of control engine, function for auxiliary-valve is not utilized, can not control the coolant rate in the short circle, it is longer that this controlling method exists cooling liquid to adjust the reaction time, for the accurate not problem of motor normal water temperature control.
The model utility content
In order to solve in the above-mentioned prior art in the engine-cooling system the accurate not problem of engine water temperature control, the utility model provides a kind of engine-cooling system and vehicle, it is simple in structure, control the short circle coolant rate by auxiliary-valve, effectively solve the control problem of engine-cooling system, so that coolant temperature control is more accurate, cooling liquid is adjusted reflecting time and greatly shortened.
Technological scheme provided by the utility model is:
A kind of engine-cooling system, comprise coolant pump, be located at water jacket, thermostat and radiator in cylinder body and the cylinder cap, wherein, the circulation loop of the cooling liquid in the described coolant pump comprises: by the major cycle loop of water jacket, thermostat and radiator, and the short circle loop by water jacket and thermostat;
Described thermostat has the auxiliary-valve that main valve that aperture changes with coolant temperature and aperture change with coolant temperature;
Wherein, the main valve of described thermostat and described radiator join, and are used for controlling described major cycle loop coolant rate; The auxiliary-valve of described thermostat and described coolant pump join, and are used for controlling described short circle loop coolant rate.
Further, be provided with the first loop exit that communicates with described radiator and the second loop exit that communicates with described coolant pump on the described water jacket;
Described thermostat places in the described water jacket, and described main valve cooperates with described the first loop exit, when coolant temperature is lower than the first setting temperature, described main valve is closed described the first loop exit, when coolant temperature was higher than the first setting temperature, described main valve was opened described the first loop exit;
Described auxiliary-valve cooperates with described the second loop exit, and when coolant temperature was lower than the second setting temperature, described auxiliary-valve was opened described the second loop exit, and when coolant temperature was higher than the second setting temperature, described auxiliary-valve was closed described the second loop exit.
Further, described auxiliary-valve is provided be used to the through-hole structure of controlling described the second loop exit maintenance normal open.
The utility model also provides a kind of vehicle, and it comprises engine-cooling system of the present utility model.
The beneficial effects of the utility model are: engine-cooling system of the present utility model simple in structure, it not only can control by the main valve of thermostat the coolant rate in major cycle loop, can also control by the auxiliary-valve of thermostat the coolant rate in short circle loop, thereby efficiently solve the control problem of engine-cooling system, so that coolant temperature control is more accurate, the cooling liquid adjustment reaction time shortens greatly.
Description of drawings
Fig. 1 represents the structural representation of engine-cooling system of the present utility model;
Fig. 2 represents the structural representation of the thermostat in the engine-cooling system of the present utility model.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As shown in Figure 1, a kind of engine-cooling system, comprise coolant pump 1, be located at water jacket 2, thermostat 3 and radiator 4 etc. in cylinder body and the cylinder cap, wherein, cooling liquid in the coolant pump 1 is leaded up to water jacket 2, thermostat 3 and radiator 4, and returns coolant pump 1 and form the major cycle loop, and another road is by water jacket 2 and thermostat 3, and return coolant pump 1, form the short circle loop; Thermostat 3 has the auxiliary-valve 32 that main valve 31 that aperture changes with coolant temperature and aperture change with coolant temperature; Wherein, main valve 31 and the radiator 4 of thermostat 3 join, and are used for control major cycle loop coolant rate; Auxiliary-valve 32 and the coolant pump 1 of thermostat 3 join, and are used for control short circle loop coolant rate.
Engine-cooling system of the present utility model simple in structure, it not only can control by the main valve 31 of thermostat 3 coolant rate in major cycle loop, can also control by the auxiliary-valve 32 of thermostat 3 coolant rate in short circle loop, thereby efficiently solve the control problem of engine-cooling system, so that coolant temperature control is more accurate, the cooling liquid adjustment reaction time shortens greatly.
In the present embodiment, preferred, as shown in Figure 2, the part of water jacket 2 only is shown among the water jacket 2(figure) on be provided with the first loop exit 21 that is communicated with radiator 4 and the second loop exit 22 that is communicated with coolant pump 1; Thermostat 3 places in the water jacket 2, and main valve 31 cooperates with the first loop exit 21, when coolant temperature is lower than the first setting temperature, main valve 31 is closed the first loop exit 21, when coolant temperature is higher than the first setting temperature, main valve 31 is opened the first loop exit 21, and along with coolant temperature raises, the aperture of main valve 31 increases gradually; Auxiliary-valve 32 cooperates with the second loop exit 22, when coolant temperature is higher than the second setting temperature, auxiliary-valve 32 is closed the second loop exit 22, when coolant temperature is lower than the second setting temperature, auxiliary-valve 32 is opened the second loop exit 22, and with the coolant temperature rising, the aperture of auxiliary-valve 32 reduces gradually.
In the present embodiment, preferred, as shown in Figure 2, auxiliary-valve 32 is provided with the through-hole structure 320 that keeps normal open for control the second loop exit 22.
The working procedure of the engine-cooling system in the present embodiment is:
When engine coolant temperature is lower than the second setting temperature, thermostat 3 main valves 31 are closed, cooling liquid is flowed to the pathway closure of radiator 4, thermostat 3 auxiliary-valves 32 are opened, and make the cooling liquid that flows out from a merit machine cylinder cap directly flow back to cylinder body water jacket of engine 2 through coolant pump 1 entrance, carry out short circle, at this moment because the cooling liquid radiator 4 of not flowing through, heat dissipating capacity is few, in order to cooling liquid can be heated up rapidly, improves function of the engine and reduces wear;
When coolant temperature is elevated to the first setting temperature, thermostat 3 main valves 31 begin to open and (and raise with coolant temperature, aperture is larger), and the control section cooling liquid enters radiator 4, and flow back to motor by radiator 4 through coolant pump 1, at this moment because the cooling liquid radiator 4 of flowing through, heat diffusion area is large, and heat dissipating capacity is many, and intensity of cooling is larger, and auxiliary-valve 32 begins to close, and reduces gradually with temperature its aperture that raises;
When coolant temperature is elevated to uniform temperature again, thermostat 3 main valves 31 standard-sized sheets, and the aperture of auxiliary-valve 32 is decreased to full-shut position gradually, the cooling liquid major part that flows out from engine cylinder-body and cylinder cover water jacket 2 enters radiator 4, and only have the through-hole structure 320 of sub-fraction on auxiliary-valve 32 to enter the short circle loop, at this moment intensity of cooling reaches maximum, high temperature occurs to prevent motor, guarantees that engine operation is in normal temperature range.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. engine-cooling system, comprise coolant pump, be located at water jacket, thermostat and radiator in cylinder body and the cylinder cap, wherein, the circulation loop of the cooling liquid in the described coolant pump comprises: by the major cycle loop of water jacket, thermostat and radiator, and the short circle loop by water jacket and thermostat; It is characterized in that:
Described thermostat has the auxiliary-valve that main valve that aperture changes with coolant temperature and aperture change with coolant temperature;
Wherein, the main valve of described thermostat and described radiator join, and are used for controlling described major cycle loop coolant rate; The auxiliary-valve of described thermostat and described coolant pump join, and are used for controlling described short circle loop coolant rate.
2. engine-cooling system according to claim 1 is characterized in that: be provided with the first loop exit that communicates with described radiator and the second loop exit that communicates with described coolant pump on the described water jacket;
Described thermostat places in the described water jacket, and described main valve cooperates with described the first loop exit, when coolant temperature is lower than the first setting temperature, described main valve is closed described the first loop exit, when coolant temperature was higher than the first setting temperature, described main valve was opened described the first loop exit;
Described auxiliary-valve cooperates with described the second loop exit, and when coolant temperature was lower than the second setting temperature, described auxiliary-valve was opened described the second loop exit, and when coolant temperature was higher than the second setting temperature, described auxiliary-valve was closed described the second loop exit.
3. engine-cooling system according to claim 2 is characterized in that: described auxiliary-valve is provided be used to the through-hole structure of controlling described the second loop exit and keep normal open.
4. a vehicle is characterized in that, comprises such as each described engine-cooling system of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220453528.0U CN202745991U (en) | 2012-09-06 | 2012-09-06 | Engine cooling system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220453528.0U CN202745991U (en) | 2012-09-06 | 2012-09-06 | Engine cooling system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202745991U true CN202745991U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220453528.0U Expired - Lifetime CN202745991U (en) | 2012-09-06 | 2012-09-06 | Engine cooling system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202745991U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321737A (en) * | 2013-07-01 | 2013-09-25 | 中国北车集团大连机车车辆有限公司 | Temperature-controlled cyclic transformation cooling water system of diesel locomotive |
| CN106523173A (en) * | 2016-10-21 | 2017-03-22 | 南京世界村汽车动力有限公司 | Cooling system for engine |
| CN107725823A (en) * | 2017-11-17 | 2018-02-23 | 安庆中船柴油机有限公司 | A kind of water bypass of engine |
| CN111710933A (en) * | 2019-03-18 | 2020-09-25 | 上汽通用汽车有限公司 | Battery pack and vehicle with same |
| CN111947382A (en) * | 2020-08-20 | 2020-11-17 | 中南大学 | Circulating cooling system and cooling method of vacuum pipeline magnetic suspension train |
| CN114658530A (en) * | 2021-05-13 | 2022-06-24 | 长城汽车股份有限公司 | Engine cooling system, diagnosis method of thermostat and vehicle |
| CN116498430A (en) * | 2023-05-06 | 2023-07-28 | 北京动科瑞利文科技有限公司 | Cooling device for generator set |
-
2012
- 2012-09-06 CN CN201220453528.0U patent/CN202745991U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321737A (en) * | 2013-07-01 | 2013-09-25 | 中国北车集团大连机车车辆有限公司 | Temperature-controlled cyclic transformation cooling water system of diesel locomotive |
| CN106523173A (en) * | 2016-10-21 | 2017-03-22 | 南京世界村汽车动力有限公司 | Cooling system for engine |
| CN107725823A (en) * | 2017-11-17 | 2018-02-23 | 安庆中船柴油机有限公司 | A kind of water bypass of engine |
| CN107725823B (en) * | 2017-11-17 | 2024-04-12 | 安庆中船柴油机有限公司 | Cooling water bypass valve of engine |
| CN111710933A (en) * | 2019-03-18 | 2020-09-25 | 上汽通用汽车有限公司 | Battery pack and vehicle with same |
| CN111947382A (en) * | 2020-08-20 | 2020-11-17 | 中南大学 | Circulating cooling system and cooling method of vacuum pipeline magnetic suspension train |
| CN114658530A (en) * | 2021-05-13 | 2022-06-24 | 长城汽车股份有限公司 | Engine cooling system, diagnosis method of thermostat and vehicle |
| CN114658530B (en) * | 2021-05-13 | 2023-11-03 | 长城汽车股份有限公司 | Engine cooling system, thermostat diagnostic method and vehicle |
| CN116498430A (en) * | 2023-05-06 | 2023-07-28 | 北京动科瑞利文科技有限公司 | Cooling device for generator set |
| CN116498430B (en) * | 2023-05-06 | 2024-03-05 | 北京动科瑞利文科技有限公司 | Cooling device for generator set |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
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| CX01 | Expiry of patent term |