CN105275571A - Automobile cooling water circulation control system and method and automobile - Google Patents
Automobile cooling water circulation control system and method and automobile Download PDFInfo
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- CN105275571A CN105275571A CN201510760698.1A CN201510760698A CN105275571A CN 105275571 A CN105275571 A CN 105275571A CN 201510760698 A CN201510760698 A CN 201510760698A CN 105275571 A CN105275571 A CN 105275571A
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- water pump
- water
- liquid heater
- motor
- temperature
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Abstract
The invention discloses an automobile cooling water circulation control system and method and an automobile. The circulation control system comprises an engine cooling water jacket, a first water pump, a liquid heater and an air-conditioning heat exchanger which are connected through pipelines in an end-to-end mode in sequence. The circulation control system further comprises a second water pump, a first one-way valve, a second one-way valve and a controller, wherein a water inlet of the second water pump is connected with a water outlet of the air-conditioning heat exchanger through a pipeline; a water outlet of the second water pump is connected with a water inlet of the liquid heater through a pipeline; the first one-way valve is arranged on a water inlet or outlet pipeline of the first water pump, and the conducting direction of the first one-way valve is the flowing direction from the engine cooling water jacket to the first water pump; the second one-way valve is arranged on a water inlet or outlet pipeline of the second water pump, and the conducting direction of the second one-way valve is the flowing direction from the second water pump to the liquid heater; the controller controls on and off of the first water pump, the second water pump and the liquid heater. By adopting the circulation control system, heat provided by the liquid heater cannot be emitted by an engine, and therefore the energy utilization efficiency is improved.
Description
Technical field
The present invention relates to automotive engineering, be specifically related to a kind of cyclic control system of cooling water car, controlling method and automobile.
Background technique
The motor of automobile produces a large amount of heats in running, these heats are transferred out by the cooling water in engine cooling water jacket, the air-conditioning system of automobile often needs for operator cabin heat supply, thus, engine cooling water jacket is communicated with the heat exchanger of air-conditioning system by prior art, is operator cabin heating with the heat of cooling water.
Fig. 1 is the structural representation of cooling water recirculation system in prior art, it comprises the engine cooling water jacket, liquid heater and the heat exchanger of air condition that are communicated with successively by pipeline head and the tail, liquid heater is integrated with water pump, the effect of liquid heater is, when the water temperature deficiency in engine cooling water jacket thinks that heat exchanger of air condition provides heat, liquid heater Heating Cyclic water extraction heating load.
The deficiencies in the prior art part is, liquid heater heating be the cooling circulating water of car load, and motor itself is huge radiator, the heat that liquid heater provides quite a few be dispersed into air by motor and suffered, the waste of energy is comparatively serious.
Summary of the invention
The object of this invention is to provide a kind of cyclic control system of cooling water car, controlling method and automobile, to solve the serious problem of energy dissipation in prior art.
To achieve these goals, the invention provides following technological scheme:
A cyclic control system for cooling water car, is comprised the engine cooling water jacket, the first water pump, liquid heater and the heat exchanger of air condition that are connected successively by pipeline head and the tail, also comprises:
Second water pump, its water intake is connected by the water outlet of pipeline with described heat exchanger of air condition, and its water outlet is connected by the water intake of pipeline with described liquid heater;
First temperature transducer, it is for gathering the water outlet water temperature of described engine cooling water jacket;
Second temperature transducer, it is for gathering the water outlet water temperature of described heat exchanger of air condition;
First one-way valve, on the water inlet being arranged at described first water pump or outlet conduit, its conducting direction is the direction that described engine cooling water jacket flows to described first water pump;
Second one-way valve, on the water inlet being arranged at described second water pump or outlet conduit, its conducting direction is the direction that described second water pump flows to described liquid heater;
Controller, it receives described first temperature transducer and the described temperature data of the second temperature transducer and the running state of motor, and controls the opening and closing of described first water pump, the second water pump and liquid heater.
Above-mentioned cyclic control system, described controller is entire car controller.
A circulation controlling means for cooling water car, described circulation controlling means is the controlling method of above-mentioned cyclic control system, and described controlling method comprises the following steps:
Obtain T
1and T
2;
Obtain the running state of described motor;
By T
1, T
2with T
3and T
4mutually compare, control the opening and closing of described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor;
In above-mentioned steps, T
1for the water outlet water temperature of described engine cooling water jacket; T
2for the water outlet water temperature of described heat exchanger of air condition; T
3for the described engine start temperature preset; T
4for the described liquid heater closing temperature preset; Wherein, T
3< T
4.
Above-mentioned circulation controlling means, described by T
1, T
2with T
3and T
4mutually compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in closed condition, and T
1< T
3;
Then start described liquid heater and described first water pump, close described second water pump.
Above-mentioned circulation controlling means, described by T
1, T
2with T
3and T
4mutually compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in closed condition, and T
3< T
1< T
2;
Then start described liquid heater and described second water pump, close described first water pump.
Above-mentioned circulation controlling means, described by T
1, T
2with T
3and T
4compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in opening state, and T
2< T
1< T
4, T
3< T
1;
Then start described liquid heater and described first water pump, close described second water pump.
Above-mentioned circulation controlling means, described by T
1, T
2with T
3and T
4compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in opening state, and T
3< T
1< T
4, T
1< T
2;
Then start described liquid heater and described second water pump, close described first water pump.
Above-mentioned circulation controlling means, described by T
1, T
2with T
3and T
4compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in opening state, and T
3< T
1, T
4< T
1;
Then start described first water pump, close described liquid heater and described second water pump.
Above-mentioned circulation controlling means, 15 DEG C≤T
3≤ 25 DEG C; 65 DEG C≤T
4≤ 75 DEG C.
In technique scheme, cyclic control system provided by the invention, there is the great circulation system that comprises engine cooling water jacket and liquid heater, also comprise the lesser circulation that is only had liquid heater and heat exchanger of air condition, thus when active choice for use lesser circulation, the heat that liquid heater provides can not be dissipated by motor, improves energy utilization efficiency with this.
Because above-mentioned cyclic control system has above-mentioned technique effect, the controlling method of this cyclic control system also should have corresponding technique effect.
Because above-mentioned cyclic control system has above-mentioned technique effect, the automobile comprising this cyclic control system also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of cyclic control system in prior art;
The structured flowchart of the cyclic control system that Fig. 2 provides for the embodiment of the present invention;
The flow chart of the circulation controlling means that Fig. 3 provides for the embodiment of the present invention.
Description of reference numerals:
Prior art:
11, engine cooling water jacket; 12, liquid heater; 13, heat exchanger of air condition.
The present invention:
21, engine cooling water jacket; 22, liquid heater; 23, heat exchanger of air condition; 24, the first water pump; 25, the second water pump; 26, the first temperature transducer; 27, the second temperature transducer; 28, the first one-way valve; 29, the second one-way valve; 210, controller.
Embodiment
In order to make those skilled in the art understand technological scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further detailed.
As shown in Figure 2, the cyclic control system of a kind of cooling water car that the embodiment of the present invention provides, comprise engine cooling water jacket 21, first water pump 24, liquid heater 22 and the heat exchanger of air condition 23 that are connected successively by pipeline head and the tail, also comprise the second water pump 25, first temperature transducer 26, second temperature transducer 27, first one-way valve 28, second one-way valve 29 and controller 210, second water pump 25 water intake is connected by the water outlet of pipeline with heat exchanger of air condition 23, and its water outlet is connected by the water intake of pipeline with liquid heater 22; First temperature transducer 26 is for gathering the water outlet water temperature of engine cooling water jacket 21; Second temperature transducer 27 is for gathering the water outlet water temperature of heat exchanger of air condition 23; First one-way valve 28 is arranged on the pipeline between engine cooling water jacket 21 and the first water pump 24, and its conducting direction is the direction that engine cooling water jacket 21 flows to the first water pump 24; Second one-way valve 29 is arranged on the pipeline between the second water pump 25 and liquid heater 22, and its conducting direction is the direction that the second water pump 25 flows to liquid heater 22; Controller 210 receives the first temperature transducer 26 and the temperature data of the second temperature transducer 27 and the running state of motor, and controls the opening and closing of the first water pump 24, second water pump 25 and liquid heater 22.
Liquid heater 22, controller 210, water pump, one-way valve and temperature transducer etc. all can with reference to related art, and the present embodiment does not repeat these parts.
Concrete, the present embodiment is provided with two circulating cooling water circulation lines: one, engine cooling water jacket 21, first one-way valve 28, first water pump 24, liquid heater 22, heat exchanger of air condition 23 and engine cooling water jacket 21, hereafter claims this circulation to be major cycle; Two, liquid heater 22, heat exchanger of air condition 23, second one-way valve 29, second water pump 25, liquid heater 22, hereinafter referred to as short circle.Two circulations all have one-way valve, and two circulations respectively have a driving water pump, so, arbitrary water pump can only drive a circulation, by selecting to open which water pump, can select to start which circulatory system.Heat exchanger of air condition 23 and liquid heater 22 are present in two circulations simultaneously, when being only required to be air-conditioning heat supply, just only can start lesser circulation, cooling water now in engine cooling water jacket 21 is just in outside lesser circulation, can not distribute heat, the heat that such motor also would not provide as a large radiator dispensing liquid heater 22, decreases the waste of energy, thus improves energy utilization efficiency.When the cooling water of motor needs to heat, can open great circulation system, liquid heater 22 like this just can carry out preheating to motor.
In above-mentioned layout, the object of the first one-way valve 28 and the second one-way valve 29 is to make major cycle and short circle can only unidirectional operation, its concrete mounting point is not made excessive demands, as the first one-way valve 28, it can be installed on the water intake of engine cooling water jacket 21, also can be arranged on the pipeline between engine cooling water jacket 21 and the first water pump 24, also can be arranged on the water outlet of the first water pump 24.Second one-way valve 29 both can be installed on the water intake of the second water pump 25, also can be installed on the water outlet of the second water pump 25.
The present embodiment also obtains the water temperature of engine cooling water jacket 21 water outlet by the first temperature transducer 26, the water temperature of heat exchanger of air condition 23 water outlet is obtained by the second temperature transducer 27, controller 210 is if entire car controller is by judging relative size and the absolute size of these two water temperatures, can determine to select to open major cycle or short circle, open liquid heater 22, the scheme that automatic efficiency of selection is the highest in multiple scheme, for car steering provides further convenience.
Cyclic control system provided by the invention, there is the great circulation system that comprises engine cooling water jacket 21 and liquid heater 22, also comprise the lesser circulation that is only had liquid heater 22 and heat exchanger of air condition 23, thus when active choice for use lesser circulation, the heat that liquid heater 22 provides can not be dissipated by motor, improves energy utilization efficiency with this.
As shown in Figure 3, the embodiment of the present invention also provides a kind of circulation controlling means of cooling water car, and circulation controlling means is the controlling method of above-mentioned cyclic control system, and controlling method comprises the following steps:
101, the water outlet water temperature T of engine cooling water jacket 21 is obtained
1with the water outlet water temperature T of heat exchanger of air condition 23
2.
Concrete, entire car controller or the controller 210 arranged separately obtain the water outlet water temperature T of engine cooling water jacket 21 by the first temperature transducer 26 and the second temperature transducer 27
1with the water outlet water temperature T of heat exchanger of air condition 23
2.
102, the running state of motor is obtained.
Concrete, it is start or the function of closed condition that the engine control system of automobile has acquisition motor, and the present embodiment can directly obtain from here.
103, by T
1, T
2with the engine start temperature T preset
3with the liquid heater 22 closing temperature T preset
4mutually compare, control the opening and closing of the first water pump 24, second water pump 25 and liquid heater 22 according to the running state of comparative result and motor.
Concrete, the engine start temperature T preset
3refer to the minimum start-up temperature of motor, when the temperature of engine coolant is too low, as lower than 5 DEG C, startup then can be caused to have some setbacks, the environment of this temperature residing for the specific performance of motor and motor is determined, between 15 DEG C to 25 DEG C, this temperature can preset.Liquid heater 22 closing temperature T
4refer to the temperature that liquid heater 22 can cut out, if heat exchanger of air condition 23 water temperature is out still up to 80 DEG C, so liquid heater 22 nature can be closed, need not Heating Cyclic cooling liquid again, this temperature can be determined according to the concrete efficiency of heat exchanger of air condition 23, and between 65 DEG C to 75 DEG C, this temperature can preset, obviously, T
3< T
4.The present embodiment is by T
1, T
2with T
3, T
4carry out size contrast, select to perform major cycle or short circle according to the result of size contrast, and select whether open liquid heater 22.
For different vehicles, as family car with heavily block, different running environment, as equator and the arctic, for above-mentioned judgement, identical judged result may bring different execution results, and above-mentioned execution result comprehensively should determine according to vehicle, running environment and other correlative factor, and it is as follows that the present embodiment provides five preferred embodiments:
One, when motor is in closed condition, and T
1< T
3; Then start liquid heater 22 and the first water pump 24, close the second water pump 25.
Now, the coolant water temperature of motor, lower than normal start-up temperature, is unfavorable for the normal startup of motor, start liquid heater 22 and major cycle, allow liquid heater 22 for air-conditioning system heating while heated engine, make thus motor start time can be comparatively smooth and easy.
Two, when motor is in closed condition, and T
3< T
1< T
2; Then start liquid heater 22 and the second water pump 25, close the first water pump 24.
Now, although motor is in closed condition, it can normally start, and so starts short circle, and liquid heater 22 is only heat exchanger of air condition 23 heat supply, and preventing wastes energy because of the heat radiation of motor, improves energy utilization efficiency.
Three, when motor is in opening state, and T
2< T
1< T
4, T
3< T
1; Then start liquid heater 22 and the first water pump 24, close the second water pump 25.
Now, motor can for but can not separately for heat exchanger of air condition 23 provides enough heats, start heat exchanger and carry out auxiliary heating.
Four, when motor is in opening state, and T
3< T
1< T
4, T
1< T
2; Then start liquid heater 22 and the second water pump 25, close the first water pump 24.
Now the water outlet water temperature of motor is lower, can not provide heat, only open short circle, be excluded in outside circulation by motor for heat exchanger of air condition 23.
Five, when motor is in opening state, and T
3< T
1, T
4< T
1; Then start the first water pump 24, closing liquid heater 22 and the second water pump 25.
Now the water outlet water temperature of motor is high, can be independent provide enough heats for heat exchanger of air condition 23, should closing liquid heater 22, save energy.
Controller 210 can perform above-mentioned steps according to predetermined interval circulation, as gathered a temperature every 20 seconds or one minute, so automatically switches in above-mentioned various situation when condition changes.Or also can set condition, trigger the Time Controller 210 that imposes a condition and perform said procedure, open as motor or close, when detecting that motor is opened, said procedure starts automatically, and same condition also can be set to temperature comparisons, as T
3with T
1contrast etc.
Meanwhile, as optionally, be driver's retentive control button, both driver can perform a certain scheme by force.
Circulation controlling means provided by the invention, there is the great circulation system that comprises engine cooling water jacket 21 and liquid heater 22, also comprise the lesser circulation that is only had liquid heater 22 and heat exchanger of air condition 23, controller 210 selects the most suitable circulatory system and heat protocol according to different coolant water temperatures, improves energy utilization efficiency greatly thus.
Because above-mentioned cyclic control system has above-mentioned technique effect, the automobile comprising this cyclic control system also should have corresponding technique effect.
Mode above only by illustrating describes some one exemplary embodiment of the present invention, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (10)
1. a cyclic control system for cooling water car, is comprised the engine cooling water jacket, the first water pump, liquid heater and the heat exchanger of air condition that are connected successively by pipeline head and the tail, it is characterized in that, also comprise:
Second water pump, its water intake is connected by the water outlet of pipeline with described heat exchanger of air condition, and its water outlet is connected by the water intake of pipeline with described liquid heater;
First temperature transducer, it is for gathering the water outlet water temperature of described engine cooling water jacket;
Second temperature transducer, it is for gathering the water outlet water temperature of described heat exchanger of air condition;
First one-way valve, on the water inlet being arranged at described first water pump or outlet conduit, its conducting direction is the direction that described engine cooling water jacket flows to described first water pump;
Second one-way valve, on the water inlet being arranged at described second water pump or outlet conduit, its conducting direction is the direction that described second water pump flows to described liquid heater;
Controller, it receives described first temperature transducer and the described temperature data of the second temperature transducer and the running state of motor, and controls the opening and closing of described first water pump, the second water pump and liquid heater.
2. cyclic control system according to claim 1, is characterized in that, described controller is entire car controller.
3. a circulation controlling means for cooling water car, is characterized in that, described circulation controlling means is the controlling method of cyclic control system described in any one of claim 1-2, and described controlling method comprises the following steps:
Obtain T
1and T
2;
Obtain the running state of described motor;
By T
1, T
2with T
3and T
4mutually compare, control the opening and closing of described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor;
In above-mentioned steps, T
1for the water outlet water temperature of described engine cooling water jacket; T
2for the water outlet water temperature of described heat exchanger of air condition; T
3for the described engine start temperature preset; T
4for the described liquid heater closing temperature preset; Wherein, T
3< T
4.
4. circulation controlling means according to claim 3, is characterized in that, described by T
1, T
2with T
3and T
4mutually compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in closed condition, and T
1< T
3;
Then start described liquid heater and described first water pump, close described second water pump.
5. circulation controlling means according to claim 3, is characterized in that, described by T
1, T
2with T
3and T
4mutually compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in closed condition, and T
3< T
1< T
2;
Then start described liquid heater and described second water pump, close described first water pump.
6. circulation controlling means according to claim 3, is characterized in that, described by T
1, T
2with T
3and T
4compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in opening state, and T
2< T
1< T
4, T
3< T
1;
Then start described liquid heater and described first water pump, close described second water pump.
7. circulation controlling means according to claim 3, is characterized in that, described by T
1, T
2with T
3and T
4compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in opening state, and T
3< T
1< T
4, T
1< T
2;
Then start described liquid heater and described second water pump, close described first water pump.
8. circulation controlling means according to claim 3, is characterized in that, described by T
1, T
2with T
3and T
4compare, the opening and closing controlling described first water pump, the second water pump and described liquid heater according to the running state of comparative result and described motor comprise:
When described motor is in opening state, and T
3< T
1, T
4< T
1;
Then start described first water pump, close described liquid heater and described second water pump.
9. the circulation controlling means according to any one of claim 3-8, is characterized in that,
15℃≤T
3≤25℃；65℃≤T
4≤75℃。
10. an automobile, is characterized in that, the cooling water circulation control system of described automobile is the cyclic control system described in any one of claim 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510760698.1A CN105275571B (en) | 2015-11-09 | 2015-11-09 | A kind of cyclic control system of cooling water car, control method and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510760698.1A CN105275571B (en) | 2015-11-09 | 2015-11-09 | A kind of cyclic control system of cooling water car, control method and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105275571A true CN105275571A (en) | 2016-01-27 |
| CN105275571B CN105275571B (en) | 2017-11-03 |
Family
ID=55145273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510760698.1A Active CN105275571B (en) | 2015-11-09 | 2015-11-09 | A kind of cyclic control system of cooling water car, control method and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105275571B (en) |
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| CN105667252A (en) * | 2016-03-24 | 2016-06-15 | 奇瑞汽车股份有限公司 | Control system for vehicle air conditioner |
| CN106739949A (en) * | 2016-12-27 | 2017-05-31 | 广州汽车集团股份有限公司 | Air-conditioning heating control system, controller, method and apparatus |
| CN107265086A (en) * | 2017-05-25 | 2017-10-20 | 歌尔股份有限公司 | sheet feeding control method and control system |
| CN108306072A (en) * | 2018-01-04 | 2018-07-20 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of parallel heat exchange battery pack |
| CN112078326A (en) * | 2020-09-02 | 2020-12-15 | 北京车和家信息技术有限公司 | Hybrid vehicle and cab heating control method, device and system thereof |
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| CN112078326A (en) * | 2020-09-02 | 2020-12-15 | 北京车和家信息技术有限公司 | Hybrid vehicle and cab heating control method, device and system thereof |
| CN112078326B (en) * | 2020-09-02 | 2022-04-19 | 北京车和家信息技术有限公司 | Hybrid vehicle and cab heating control method, device and system thereof |
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|---|---|
| CN105275571B (en) | 2017-11-03 |
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