CN105275571B - A kind of cyclic control system of cooling water car, control method and automobile - Google Patents
A kind of cyclic control system of cooling water car, control method and automobile Download PDFInfo
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- CN105275571B CN105275571B CN201510760698.1A CN201510760698A CN105275571B CN 105275571 B CN105275571 B CN 105275571B CN 201510760698 A CN201510760698 A CN 201510760698A CN 105275571 B CN105275571 B CN 105275571B
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Abstract
The invention discloses a kind of cyclic control system of cooling water car, control method and automobile, the cyclic control system includes engine cooling water jacket, the first water pump, liquid heater and the heat exchanger of air condition being sequentially connected by pipeline head and the tail, in addition to：Second water pump, its water inlet is connected by pipeline with the delivery port of heat exchanger of air condition, and its delivery port is connected by pipeline with the water inlet of liquid heater；First check valve, is arranged on water inlet or the outlet conduit of the first water pump, and its conducting direction is the direction that engine cooling water jacket flows to the first water pump；Second check valve, is arranged on water inlet or the outlet conduit of the second water pump, and its conducting direction is the direction that the second water pump flows to liquid heater；Controller, the opening and closing of the first water pump of control, the second water pump and liquid heater.The cyclic control system that the present invention is provided, the heat that liquid heater is provided will not be dissipated by engine, and energy utilization efficiency is improved with this.
Description
Technical field
The present invention relates to automotive engineering, and in particular to a kind of cyclic control system of cooling water car, control method and vapour
Car.
Background technology
The engine of automobile produces substantial amounts of heat in the process of running, and these heats pass through in engine cooling water jacket
Cooling water is transferred out, and the air-conditioning system of automobile is frequently necessary to as driver's cabin heat supply, thus, and prior art is by engine cooling water
Set is connected with the heat exchanger of air-conditioning system, is that driver's cabin is heated with the heat of cooling water.
Fig. 1 is the structural representation of cooling water recirculation system in the prior art, and it includes being sequentially communicated by pipeline head and the tail
Engine cooling water jacket, liquid heater and heat exchanger of air condition, liquid heater is integrated with water pump, liquid heater
Effect is that, when the water temperature deficiency in engine cooling water jacket for heat exchanger of air condition to provide heat, liquid heater adds
Heat recirculated water provides heat.
It is in place of the deficiencies in the prior art, what liquid heater was heated is the cooling circulating water of vehicle, and engine sheet
Body is huge radiator, and quite a few is dispersed into air by engine and suffered the heat that liquid heater is provided, energy
Waste more serious.
The content of the invention
It is an object of the invention to provide a kind of cyclic control system of cooling water car, control method and automobile, to solve
The problem of energy dissipation is serious in the prior art.
To achieve these goals, the present invention provides following technical scheme：
A kind of cyclic control system of cooling water car, including the engine cooling water being sequentially connected by pipeline head and the tail
Set, the first water pump, liquid heater and heat exchanger of air condition, in addition to：
Second water pump, its water inlet is connected by pipeline with the delivery port of the heat exchanger of air condition, and its delivery port passes through
Pipeline is connected with the water inlet of the liquid heater；
First temperature sensor, it is used for the delivery port water temperature for gathering the engine cooling water jacket；
Second temperature sensor, it is used for the delivery port water temperature for gathering the heat exchanger of air condition；
First check valve, is arranged on water inlet or the outlet conduit of first water pump, and its conducting direction starts to be described
Machine cooling jacket flows to the direction of first water pump；
Second check valve, is arranged on water inlet or the outlet conduit of second water pump, and its conducting direction is described second
Water pump flows to the direction of the liquid heater；
Controller, it receives first temperature sensor and temperature data, the Yi Jifa of the second temperature sensor
The running status of motivation, and control the opening and closing of first water pump, the second water pump and liquid heater.
Above-mentioned cyclic control system, the controller is entire car controller.
A kind of circulation controlling means of cooling water car, the circulation controlling means are the control of above-mentioned cyclic control system
Method, the control method comprises the following steps：
Obtain T1And T2；
Obtain the running status of the engine；
By T1、T2With T3And T4It is compared to each other, according to the control of the running status of comparative result and the engine
The opening and closing of first water pump, the second water pump and the liquid heater；
In above-mentioned steps, T1For the delivery port water temperature of the engine cooling water jacket；T2For going out for the heat exchanger of air condition
Outlet water temperature；T3For the default engine start temperature；T4For the default liquid heater closing temperature；Wherein, T3
＜ T4。
Above-mentioned circulation controlling means, it is described by T1、T2With T3And T4It is compared to each other, according to comparative result and described
The running status of engine controls the opening and closing of first water pump, the second water pump and the liquid heater to include：
When the engine is closed, and T1＜ T3；
Then start the liquid heater and first water pump, close second water pump.
Above-mentioned circulation controlling means, it is described by T1、T2With T3And T4It is compared to each other, according to comparative result and described
The running status of engine controls the opening and closing of first water pump, the second water pump and the liquid heater to include：
When the engine is closed, and T3＜ T1＜ T2；
Then start the liquid heater and second water pump, close first water pump.
Above-mentioned circulation controlling means, it is described by T1、T2With T3And T4It is compared, according to comparative result and described starts
The running status of machine controls the opening and closing of first water pump, the second water pump and the liquid heater to include：
When the engine is in opening, and T2＜ T1＜ T4, T3＜ T1；
Then start the liquid heater and first water pump, close second water pump.
Above-mentioned circulation controlling means, it is described by T1、T2With T3And T4It is compared, according to comparative result and described starts
The running status of machine controls the opening and closing of first water pump, the second water pump and the liquid heater to include：
When the engine is in opening, and T3＜ T1＜ T4, T1＜ T2；
Then start the liquid heater and second water pump, close first water pump.
Above-mentioned circulation controlling means, it is described by T1、T2With T3And T4It is compared, according to comparative result and described starts
The running status of machine controls the opening and closing of first water pump, the second water pump and the liquid heater to include：
When the engine is in opening, and T3＜ T1, T4＜ T1；
Then start first water pump, close the liquid heater and second water pump.
Above-mentioned circulation controlling means, 15 DEG C≤T3≤25℃；65℃≤T4≤75℃。
In the above-mentioned technical solutions, the cyclic control system that the present invention is provided, includes engine cooling water jacket with one
With the great circulation system of liquid heater, include the lesser circulation of only liquid heater and a heat exchanger of air condition,
Thus when active selection is using lesser circulation, the heat that liquid heater is provided will not be dissipated by engine, be carried with this
High energy utilization efficiency.
Because above-mentioned cyclic control system has above-mentioned technique effect, the control method of the cyclic control system should also have
Corresponding technique effect.
Because above-mentioned cyclic control system has above-mentioned technique effect, the automobile comprising the cyclic control system should also have
Corresponding technique effect.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structured flowchart of cyclic control system in the prior art；
Fig. 2 is the structured flowchart of cyclic control system provided in an embodiment of the present invention；
Fig. 3 is the flow chart of circulation controlling means provided in an embodiment of the present invention.
Description of reference numerals：
Prior art：
11st, engine cooling water jacket；12nd, liquid heater；13rd, heat exchanger of air condition.
The present invention：
21st, engine cooling water jacket；22nd, liquid heater；23rd, heat exchanger of air condition；24th, the first water pump；25th, the second water
Pump；26th, the first temperature sensor；27th, second temperature sensor；28th, the first check valve；29th, the second check valve；210th, control
Device.
Embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
As shown in Fig. 2 a kind of cyclic control system of cooling water car provided in an embodiment of the present invention, including pass through pipeline
Engine cooling water jacket 21, the first water pump 24, liquid heater 22 and heat exchanger of air condition 23 that head and the tail are sequentially connected, are also wrapped
Include the second water pump 25, the first temperature sensor 26, second temperature sensor 27, the first check valve 28, the second check valve 29 and
Controller 210, the water inlet of the second water pump 25 is connected by pipeline with the delivery port of heat exchanger of air condition 23, and its delivery port passes through pipe
Road is connected with the water inlet of liquid heater 22；First temperature sensor 26 is used for the delivery port for gathering engine cooling water jacket 21
Water temperature；Second temperature sensor 27 is used for the delivery port water temperature for gathering heat exchanger of air condition 23；First check valve 28 is arranged at hair
On pipeline between the water pump 24 of motivation cooling jacket 21 and first, its conducting direction is that engine cooling water jacket 21 flows to the first water
The direction of pump 24；Second check valve 29 is arranged on the pipeline between the second water pump 25 and liquid heater 22, its conducting direction
The direction of liquid heater 22 is flowed to for the second water pump 25；Controller 210 receives the first temperature sensor 26 and second temperature is passed
The temperature data of sensor 27 and the running status of engine, and control the first water pump 24, the second water pump 25 and liquid heating
The opening and closing of device 22.
Liquid heater 22, controller 210, water pump, check valve and temperature sensor etc. refer to related existing skill
Art, the present embodiment is not repeated these parts.
Specifically, the present embodiment is provided with two circulating cooling water circulation lines：First, engine cooling water jacket 21, first
Check valve 28, the first water pump 24, liquid heater 22, heat exchanger of air condition 23 and engine cooling water jacket 21, referred to hereinafter as should
Circulate as systemic circulation；2nd, liquid heater 22, heat exchanger of air condition 23, the second check valve 29, the second water pump 25, liquid heating
Device 22, hereinafter referred to as partial circulating.Check valve is respectively provided with two circulations, and two circulations respectively have a driving water pump, such as
This, any water pump can only drive a circulation, by selecting which water pump opened, you can which circulatory system selection starts.It is empty
Heat exchanger 23 and liquid heater 22 is adjusted to be present in simultaneously in two circulations, when only needing as air-conditioning heat supply, so that it may only start
Lesser circulation, now the cooling water in engine cooling water jacket 21 be at outside lesser circulation, heat will not be distributed, this
Sample engine would not also distribute the heat of the offer of liquid heater 22 as a big radiator, reduce the wave of energy
Take, so as to improve energy utilization efficiency.When the cooling water of engine needs heating, great circulation system, such liquid can be opened
Body heater 22 can be preheated to engine.
In above-mentioned arrangement, the purpose of the first check valve 28 and the second check valve 29 is so that systemic circulation and partial circulating can only
Unidirectional operation, its specific installation site is not made excessive demands, such as the first check valve 28, and it is mountable to entering for engine cooling water jacket 21
On the mouth of a river, it can also be arranged on the pipeline between the water pump 24 of engine cooling water jacket 21 and first, can also be arranged on the first water pump
On 24 delivery port.Second check valve 29 had both been mountable on the water inlet of the second water pump 25, was also mountable to the second water pump 25
Delivery port on.
The present embodiment also obtains the water temperature of the delivery port of engine cooling water jacket 21 by the first temperature sensor 26, by the
Two temperature sensors 27 obtain the water temperature of the delivery port of heat exchanger of air condition 23, and such as entire car controller of controller 210 is by judging this
The relative size and absolute size of two water temperatures, in that case it can be decided that systemic circulation or partial circulating are opened in selection, open and are not turned on liquid and add
Hot device 22, automatically selects efficiency highest scheme in multiple schemes, provides further convenient for car steering.
The cyclic control system that the present invention is provided, includes engine cooling water jacket 21 and liquid heater 22 with one
Great circulation system, includes the lesser circulation of only liquid heater 22 and a heat exchanger of air condition 23, thus actively
When selection is using lesser circulation, the heat that liquid heater 22 is provided will not be dissipated by engine, and energy is improved with this
Utilization ratio.
As shown in figure 3, the embodiment of the present invention also provides a kind of circulation controlling means of cooling water car, circulation controlling means
For the control method of above-mentioned cyclic control system, control method comprises the following steps：
101st, the delivery port water temperature T of engine cooling water jacket 21 is obtained1With the delivery port water temperature T of heat exchanger of air condition 232。
Specifically, entire car controller or the controller 210 being separately provided pass through the first temperature sensor 26 and second temperature
Sensor 27 obtains the delivery port water temperature T of engine cooling water jacket 211With the delivery port water temperature T of heat exchanger of air condition 232。
102nd, the running status of engine is obtained.
Specifically, the engine control system of automobile has the function of obtaining that engine is startup or closed mode, this
Embodiment can be obtained directly from there.
103rd, by T1、T2With default engine start temperature T3With the default closing temperature T of liquid heater 224Carry out
It is compared to each other, controls the first water pump 24, the second water pump 25 and liquid to heat according to the running status of comparative result and engine
The opening and closing of device 22.
Specifically, default engine start temperature T3The minimum start-up temperature of engine is referred to, works as engine cool
The temperature of liquid is too low, is such as less than 5 DEG C, then startup can be caused to have some setbacks, and the temperature is according to the specific performance and engine of engine
Residing environment determines that between such as 15 DEG C to 25 DEG C, the temperature can be preset.The closing temperature T of liquid heater 224Refer to
The water temperature that the temperature that liquid heater 22 can be closed, such as heat exchanger of air condition 23 come out is still up to 80 DEG C, then liquid adds
Hot device 22 is natural to close, without reheating circulating cooling liquid, and the temperature can be according to the specific efficiency of heat exchanger of air condition 23
It is determined that, between such as 65 DEG C to 75 DEG C, the temperature can be preset, it is clear that, T3＜ T4.The present embodiment is by T1、T2With T3、T4Enter
Row size is contrasted, and the result selection contrasted according to size performs systemic circulation or partial circulating, and chooses whether that opening liquid adds
Hot device 22.
For different vehicles, such as family car and heavy truck, different running environment, such as equator and the arctic, for above-mentioned
Judge, identical judged result may bring different implementing results, above-mentioned implementing result should according to vehicle, running environment and its
Its correlative factor, which is integrated, to be determined, it is as follows that the present embodiment provides five preferred embodiments：
First, when engine is closed, and T1＜ T3；The then water pump 24 of start liquid heater 22 and first, closes the
Two water pumps 25.
Now, the coolant water temperature of engine is less than normal start-up temperature, is unfavorable for the normal startup of engine, start liquid
Heater 22 and systemic circulation, allow heated engine while being heated for air-conditioning system of liquid heater 22, so that starting
Machine on startup can be more smooth.
2nd, when engine is closed, and T3＜ T1＜ T2；Then the water pump 25 of start liquid heater 22 and second, is closed
Close the first water pump 24.
Now, although engine is closed, but it can normally start, partial circulating, liquid heater are so started
22 be only the heat supply of heat exchanger of air condition 23, prevents from wasting energy because of the radiating of engine, improves energy utilization efficiency.
3rd, when engine is in opening, and T2＜ T1＜ T4, T3＜ T1；The then water of start liquid heater 22 and first
Pump 24, closes the second water pump 25.
Now, engine can be but can not be individually for heat exchanger of air condition 23 and provide enough heats, start heat exchange
Device carries out auxiliary heating.
4th, when engine is in opening, and T3＜ T1＜ T4, T1＜ T2；The then water of start liquid heater 22 and second
Pump 25, closes the first water pump 24.
Now the delivery port water temperature of engine is relatively low, it is impossible to provides heat for heat exchanger of air condition 23, only opens partial circulating,
Engine is excluded in outside circulation.
5th, when engine is in opening, and T3＜ T1, T4＜ T1；Then start the first water pump 24, closing liquid heating
The water pump 25 of device 22 and second.
Now the delivery port water temperature of engine is high, individually can provide enough heats for heat exchanger of air condition 23,
Should closing liquid heater 22, saving energy.
Controller 210 can perform above-mentioned steps according to predetermined space circulation, such as gather one every 20 seconds or one minute
Secondary temperature, so when condition changes it is automatic it is above-mentioned it is various in the case of switch over.Or, condition can also be carried out
Setting, controller 210 performs said procedure when triggering imposes a condition, and such as engine is turned on and off, and detects engine unlatching
When said procedure automatic start, same condition may also be configured to temperature comparisons, such as T3With T1Contrast etc..
Meanwhile, it is that driver keeps control button, both driver can perform some scheme by force as optional.
The circulation controlling means that the present invention is provided, include engine cooling water jacket 21 and liquid heater 22 with one
Great circulation system, includes the lesser circulation of only liquid heater 22 and a heat exchanger of air condition 23, controller 210
The most suitable circulatory system and heat protocol are selected according to different coolant water temperatures, energy utilization efficiency is thus greatly improved.
Because above-mentioned cyclic control system has above-mentioned technique effect, the automobile comprising the cyclic control system should also have
Corresponding technique effect.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The limitation of claims.
Claims (10)
1. a kind of cyclic control system of cooling water car, including be sequentially connected by pipeline head and the tail engine cooling water jacket,
First water pump, liquid heater and heat exchanger of air condition, it is characterised in that also include：
Second water pump, its water inlet is connected by pipeline with the delivery port of the heat exchanger of air condition, and its delivery port passes through pipeline
It is connected with the water inlet of the liquid heater；
First temperature sensor, it is used for the delivery port water temperature for gathering the engine cooling water jacket；
Second temperature sensor, it is used for the delivery port water temperature for gathering the heat exchanger of air condition；
First check valve, is arranged on water inlet or the outlet conduit of first water pump, and its conducting direction is that the engine is cold
But water jacket flows to the direction of first water pump；
Second check valve, is arranged on water inlet or the outlet conduit of second water pump, and its conducting direction is second water pump
Flow to the direction of the liquid heater；
Controller, it receives first temperature sensor and the temperature data and engine of the second temperature sensor
Running status, and control the opening and closing of first water pump, the second water pump and liquid heater；
The engine cooling water jacket, first check valve, first water pump, the liquid heater, the air conditioner heat
Exchanger and engine cooling water jacket formation great circulation system；
The liquid heater, the heat exchanger of air condition, second check valve, second water pump and liquid heating
Device formation lesser circulation.
2. cyclic control system according to claim 1, it is characterised in that the controller is entire car controller.
3. a kind of circulation controlling means of cooling water car, it is characterised in that the circulation controlling means are that claim 1-2 appoints
The control method of one cyclic control system, the control method comprises the following steps：
Obtain T1And T2；
Obtain the running status of the engine；
By T1、T2With T3And T4It is compared to each other, described first is controlled according to the running status of comparative result and the engine
The opening and closing of water pump, the second water pump and the liquid heater；
In above-mentioned steps, T1For the delivery port water temperature of the engine cooling water jacket；T2For the delivery port of the heat exchanger of air condition
Water temperature；T3For the default engine start temperature；T4For the default liquid heater closing temperature；Wherein, T3＜
T4。
4. circulation controlling means according to claim 3, it is characterised in that described by T1、T2With T3And T4Mutually compared
Compared with controlling first water pump, the second water pump and the liquid to add according to the running status of comparative result and the engine
The opening and closing of hot device include：
When the engine is closed, and T1＜ T3；
Then start the liquid heater and first water pump, close second water pump.
5. circulation controlling means according to claim 3, it is characterised in that described by T1、T2With T3And T4Mutually compared
Compared with controlling first water pump, the second water pump and the liquid to add according to the running status of comparative result and the engine
The opening and closing of hot device include：
When the engine is closed, and T3＜ T1＜ T2；
Then start the liquid heater and second water pump, close first water pump.
6. circulation controlling means according to claim 3, it is characterised in that described by T1、T2With T3And T4It is compared, root
First water pump, the second water pump and the liquid heater are controlled according to the running status of comparative result and the engine
Opening and closing include：
When the engine is in opening, and T2＜ T1＜ T4, T3＜ T1；
Then start the liquid heater and first water pump, close second water pump.
7. circulation controlling means according to claim 3, it is characterised in that described by T1、T2With T3And T4It is compared, root
First water pump, the second water pump and the liquid heater are controlled according to the running status of comparative result and the engine
Opening and closing include：
When the engine is in opening, and T3＜ T1＜ T4, T1＜ T2；
Then start the liquid heater and second water pump, close first water pump.
8. circulation controlling means according to claim 3, it is characterised in that described by T1、T2With T3And T4It is compared, root
First water pump, the second water pump and the liquid heater are controlled according to the running status of comparative result and the engine
Opening and closing include：
When the engine is in opening, and T3＜ T1, T4＜ T1；
Then start first water pump, close the liquid heater and second water pump.
9. the circulation controlling means according to claim any one of 3-8, it is characterised in that
15℃≤T3≤25℃；65℃≤T4≤75℃。
10. a kind of automobile, it is characterised in that the cooling water circulation control system of the automobile is any one of claim 1-2 institutes
The cyclic control system stated.
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| 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 |
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| 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 |
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| CN105275571B true CN105275571B (en) | 2017-11-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667252A (en) * | 2016-03-24 | 2016-06-15 | 奇瑞汽车股份有限公司 | Control system for vehicle air conditioner |
| CN106739949B (en) * | 2016-12-27 | 2023-05-16 | 广州汽车集团股份有限公司 | Air conditioner heating control system, controller, method and device |
| CN107265086B (en) * | 2017-05-25 | 2019-01-11 | 歌尔股份有限公司 | sheet feeding control method and control system |
| CN108306072B (en) * | 2018-01-04 | 2020-02-07 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Parallel heat exchange battery pack |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201155358Y (en) * | 2008-01-25 | 2008-11-26 | 中通客车控股股份有限公司 | Engine cooling apparatus |
| CN201891482U (en) * | 2010-08-17 | 2011-07-06 | 广西玉柴机器股份有限公司 | Diesel engine cooling and circulating system |
| CN202280506U (en) * | 2011-10-10 | 2012-06-20 | 上汽通用五菱汽车股份有限公司 | Cooling system of engine |
| US10035404B2 (en) * | 2012-10-15 | 2018-07-31 | Ford Global Technologies, Llc | Thermostatically-controlled multi-mode coolant loops |
| CN103122785B (en) * | 2012-11-28 | 2015-06-10 | 浙江吉利罗佑发动机有限公司 | Controllable type engine cooling system |
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