CN101358553B - Radiator fan control system - Google Patents
Radiator fan control system Download PDFInfo
- Publication number
- CN101358553B CN101358553B CN2008102104211A CN200810210421A CN101358553B CN 101358553 B CN101358553 B CN 101358553B CN 2008102104211 A CN2008102104211 A CN 2008102104211A CN 200810210421 A CN200810210421 A CN 200810210421A CN 101358553 B CN101358553 B CN 101358553B
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- CN
- China
- Prior art keywords
- radiator fan
- cooled engine
- water cooled
- cooling water
- water temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention provides a radiator fan control system for stopping radiator fan so as to start a water cooled engine when a battery is not sufficient to start the water cooled engine if the power is used for the radiator fan. The radiator fan control system comprises a battery voltage detection portion for detecting the battery voltage, a detection portion for detecting the cooling water temperature of water cooled engine, and a control unit for controlling engine drive and radiator fan actuation. The control unit has a second control portion; when the battery voltage is below the running voltage of the radiator fan, the second control portion stops the radiator fan; when the battery voltage is equals to or above the running voltage of the radiator fan, the second control portion starts the radiator fan if the cooling water temperature is equals to or above the set temperature, and stops the radiator fan if the cooling water temperature is below the set temperature.
Description
The application be that September 29, application number in 2005 are 200510105899.4 the applying date, invention and created name divides an application for the Chinese patent application of " radiator fan control system ".
Technical field
The present invention relates to a kind of radiator fan control system with control device, described control device reaches setting temperature or makes the radiator fan running when above at the cooling water temperature of water cooled engine, when cooling water temperature is lower than setting temperature radiator fan is stopped.
Background technique
In the last few years, in the exploitation and manufacturing of motor bike (two-wheeled motorcycle), it seems from the viewpoint of the raising that realizes exhaust gas purification and fuel economy, output characteristics and startability, carried out suitable electronic control fuel injection device (injection of program control fuel), the exploitation of promptly so-called FIization.And, with its concomitantly, by using all-transistor (Full Transistor) in ignition system, the burning of controlling fuel firing time is regulated in promptly so-called fully transistorized.Here, for all-transistor mode, use the power supply of the power supply of battery (storage battery) as igniting usefulness.
But, when in 250cc or following motor bike below medium-sized, water cooled engine being adopted FIization and fully transistorized, the electric power of battery is used to the operation of the radiator fan (Off ア Application) that the cooling water cold engine uses, thereby can not carry out the driving of water cooled engine well.
Therefore, want a kind of energy the control gear of battery electric power to be provided fully for the operation of water cooled engine.
Disclosed this control gear in the patent documentation 1, in this patent documentation 1, put down in writing: " a kind of water cooled engine cooling fan control gear; it is provided with coolant temperature switch; this switch is in setting value or make contact when above at the cooling water temperature of internal-combustion engine; and the electrodynamic type radiator fan is connected on the aforementioned coolant temperature switch; described fan reaches setting value or operation when above at the cooling water temperature of the contacting of this coolant temperature switch and aforementioned internal-combustion engine, it is characterized in that: on aforementioned coolant temperature switch, connect the radiator fan relay is set; And be arranged on the starting circuit of during starts exporting activating signal of aforementioned internal-combustion engine; And the control circuit that activates aforementioned radiator fan relay is set, so that the cooling water temperature of aforementioned internal-combustion engine reach setting value or above during, when satisfying the proceed-to-send of the aforementioned internal-combustion engine that has stopped the output of ``` activating signal from aforementioned starting circuit under situation through the condition till the stipulated time, stop the operation of aforementioned radiator fan.”
According to the document, put down in writing: " during cooling water temperature reaches setting value or idle running above, that and then internal-combustion engine is restarted; can alleviate the load of the internal-combustion engine that causes by electric load; improve the rising of idling speed; so that idle state is stable early; can avoid the generation of water cooled engine fault such as water cooled engine stall, and can improve runnability.”
Patent documentation 1: No. 2676198 communiques of Japan Patent
But, in the invention of patent documentation 1 record, when (behind the proceed-to-send) is through the stipulated time after the perfect combustion of water cooled engine when water cooled engine stops, by stopping the running of radiator fan, improve the rising of idling speed, so that idling mode is stable early.Therefore, even in idling, under the high situation of cooling water temperature, the situation that also exists radiator fan to stop is so cooling water temperature may further rise.
Summary of the invention
Therefore, the object of the present invention is to provide a kind ofly can stop the driving of radiator fan, with the radiator fan control system of the starting that when battery electric power is not enough, also can easily carry out water cooled engine etc. at scheduled time.
To achieve these goals, the invention of technological scheme 1 record provides a kind of radiator fan control system, and this system has water cooled engine; The radiator that is communicated with the water route of aforementioned water cooled engine; Cool off the radiator fan of aforementioned radiator; Detect the perfect combustion state-detection portion of perfect combustion zero hour of aforementioned water cooled engine; Detect the cooling water temperature detection unit of the cooling water temperature of aforementioned water cooled engine; Control unit with the actuating of control driving of aforementioned water cooled engine and aforementioned radiator fan, it is characterized in that: aforementioned control unit has the 1st control device, the 1st control device is based on the testing result of aforementioned perfect combustion state-detection portion, from the stopping of aforementioned water cooled engine the time, in the perfect combustion time of the zero hour, aforementioned radiator fan is stopped; In the time when stopping perfect combustion zero hour of aforementioned water cooled engine, when the cooling water temperature of the cooling water that aforementioned cooling water temperature detection unit detects during more than or equal to setting temperature (be setting temperature or more than), make aforementioned radiator fan running, when aforementioned cooling water temperature is lower than aforementioned setting temperature, aforementioned radiator fan is stopped.
On the basis of the structure that technological scheme 1 is put down in writing, the invention of technological scheme 2 record is characterised in that: aforementioned perfect combustion state-detection portion constitutes: when the engine speed of aforementioned water cooled engine reaches idling speed, detect aforementioned perfect combustion zero hour.
The invention of technological scheme 3 records provides a kind of radiator fan control system, and this system has water cooled engine; The radiator that is communicated with the water route of aforementioned water cooled engine; Cool off the radiator fan of aforementioned radiator; Battery; Detect the battery voltage detection portion of the cell voltage of aforementioned battery; Detect the cooling water temperature detection unit of the cooling water temperature of aforementioned water cooled engine; Control unit with the actuating of control driving of aforementioned water cooled engine and aforementioned radiator fan, it is characterized in that: aforementioned control unit has the 2nd control device, the 2nd control device is based on the testing result of aforementioned electric cell voltage detection unit, than the voltage that can make radiator fan running hour, aforementioned radiator fan is stopped at the aforementioned electric cell voltage; At the aforementioned electric cell voltage more than or equal to can make the voltage of radiator fan running the time, the cooling water temperature that detects when aforementioned cooling water temperature detection unit is during more than or equal to setting temperature, make aforementioned radiator fan running, when the cooling water temperature that detects when aforementioned cooling water temperature detection unit is lower than aforementioned setting temperature, aforementioned radiator fan is stopped.
On the basis of the structure of each record, the invention of technological scheme 4 records is characterised in that in technological scheme 1 to 3: the igniting of aforementioned water cooled engine is undertaken by full transistor ignition mode (by the full-transistor ignition system system).
The invention of technological scheme 5 records is characterised in that: the motor bike that the radiator fan control system of each record in a kind of scheme 1 to 4 that possesses skills is provided.
Invention according to technological scheme 1 and 5 records, perfect combustion state-detection portion with perfect combustion zero hour of detecting water cooled engine, and based on the testing result of perfect combustion state-detection portion, from the stopping of aforementioned water cooled engine the time in the time of the perfect combustion zero hour (when idling begins), make radiator fan be in halted state, so the battery electric power that is used for the radiator fan operation is used to the operation of water cooled engine, therefore can easily start water cooled engine.And, if perfect combustion begins, then can obtain electric power from generator, so perfect combustion begins back (idling begins the back), when cooling water temperature is high, can reduce cooling water temperature by driving radiator fan.
Invention according to technological scheme 2 and 5 records, perfect combustion state-detection portion constitutes when engine speed reaches idling speed, detect perfect combustion zero hour, so during from the stopping of water cooled engine when perfect combustion begins/time in the moment in, when the rotating speed of water cooled engine during less than idling speed, make radiator fan be in halted state, therefore, can make radiator fan be in halted state or operation according to the rotating speed of water cooled engine.
According to the inventions of technological scheme 3 and 5 records, than the voltage that radiator fan is moved hour, make radiator fan be in halted state at cell voltage; At cell voltage more than or equal to can make the voltage of radiator fan operation the time, when the cooling water temperature of water cooled engine during more than or equal to setting temperature, make the radiator fan operation, so, under if battery electric power is used for the situation of starting etc. that radiator fan just can not carry out water cooled engine, stop radiator fan and make the water cooled engine starting, even under battery electric power is used for situation that radiator fan also can make water cooled engine starting, need not stops radiator fan water cooled engine is started.
Invention according to technological scheme 4 and 5 records, under the situation that the igniting of water cooled engine is undertaken by the full transistor ignition mode, particularly, by carrying out above-mentioned control, the electric power that is used to move radiator fan can be used for the igniting undertaken by all-transistor, so can carry out the starting of motor better.
Description of drawings
Fig. 1 is the circuit diagram according to the radiator fan control system of the embodiment of the invention 1;
Fig. 2 is the flow chart based on the controlling method of by radiator fan control system being undertaken of the rotating speed of water cooled engine of expression according to this embodiment 1;
Fig. 3 is the circuit diagram according to the radiator fan control system of the embodiment of the invention 2;
Fig. 4 is the flow chart based on the controlling method of the radiator fan control system of cell voltage of expression according to this embodiment 2.
[symbol description]
The 11-water cooled engine, the 12-control unit, 12a-perfect combustion is (intact quick-fried, completeexplosion) state-detection portion, 12b-the 1st control device, 12c-battery voltage detection portion, 12d-the 2nd control device, 14-rotating speed detecting sensor, 15-fan motor (motor), 19-battery, 26-radiator fan, the 27-radiator, the 28-water route
Embodiment
Below, embodiments of the invention are described.
[inventive embodiment 1]
Fig. 1 and Fig. 2 represent embodiments of the invention 1.
At first explanation constitutes, and present embodiment is for being applied to radiator fan control system of the present invention structure on the motor bike, and it comprises: water cooled engine 11; The radiator 27 that is communicated with the water route 28a of water cooled engine 11; The radiator fan 26 of cooling radiator 27; Control unit 12 with the actuating of control driving of water cooled engine 11 and radiator fan 26, but also comprise: as the cooling-water temperature sensor 13 of cooling water temperature detection unit, it is according to the temperature of the cooling water that flows in the command detection water cooled engine 11 of control unit 12; Detect the rotating speed detecting sensor 14 of the rotating speed of water cooled engine 11; Fan motor 15 with driving radiator fan 26 also comprises in addition: be connected to battery 19 on the fan motor 15 through radiator fan relay 16 and fus 17,18; With the radiator fan 26 that is connected on the fan motor 15.In addition, here, though cooling-water temperature sensor 13 detects the temperature of the cooling water that flows in the water cooled engines 11, also can be at the position detection cooling water temperature in the way of flowing along radiator 27 or water route 28a, 28b.
Rotating speed detecting sensor 14 detects the rotating speed of water cooled engine 11, and to control unit 12 these signals of output, in this control unit 12, be provided with the perfect combustion state-detection 12a of portion, when its rotating speed in described water cooled engine 11 reaches idling speed, detect the perfect combustion zero hour of water cooled engine 11.
In addition, this control unit 12 is provided with the 1st control device 12b, this control device output order to cooling-water temperature sensor 13 so that carry out the detection of water temperature, and based on the testing result of rotating speed detecting sensor 14, from the stopping of water cooled engine 11 time in the perfect combustion time of the zero hour, cut off radiator fan relay 16 and make radiator fan 26 be in halted state, in the time when stopping perfect combustion zero hour of water cooled engine 11, when the cooling water temperature of the water cooled engine 11 that is detected by cooling-water temperature sensor 13 is a setting temperature or when above, connects radiator fan relay 16 and make radiator fan 26 operations.
Here the perfect combustion of mentioning is meant that water cooled engine 11 does not need other power, just can move the time of getting up by self power the zero hour.For example, in the situation of piloting engine by kick starter (starting is pedaled) or starter motor (セ Le モ one タ one), water cooled engine 11 is not at first to lean on the power of self to move, but power by recoil or the operation of the power of motor, the power of this recoil or the power of motor make piston up-down, mixed gas is admitted in the water cooled engine 11 and burns thus, the operation that water cooled engine 11 beginning is undertaken by self power.This time that begins to carry out the operation of water cooled engine 11 by self power is exactly the so-called perfect combustion zero hour.
In order to drive radiator fan 26,, make fan motor 15 and radiator fan 26 operations by connecting radiator fan relay 16 and the electric power of battery 19 is supplied with fan motor 15 from the instruction of control unit 12.In addition, when cooling water temperature is lower than setting temperature, disconnect radiator fan relay 16, to stop radiator fan 26.
In addition, as shown in Figure 1, also have: the burning fire flower plug 21 that is used to carry out water cooled engine 11; Be used to make the spark coil 20 of spark plug 21 igniting; Ignition switch 22; Main switch 23; Regulator-rectifier 24, the charge volume that its consumes power corresponding to the generated energy of battery 19 and not shown car body is controlled battery 19 distributes electric current, simultaneously to obtain only voltage; Determine the pick-up coil 25 of ignition timing; With the generator 27 of giving battery 19 power supplies.
Like this, connecting main switch 23 grades, electric current from battery 19 is flow through under the state of primary air 20a of spark coil 20, when cutting off this electric current that flows suddenly by control unit 12, magnetic flux changes, produces electromotive force, thereby high voltage and current flows in secondary winding 20b, makes spark plug 21 discharges.
Below, the controlling method of the radiator fan control system of the embodiment of the invention 1 is described with reference to Fig. 2.
When beginning to start water cooled engine 11 when making spark coil 20 be in on-state, as shown in Figure 2, control unit 12 judges whether the rotating speed of water cooled engine 11 is in idling speed or above (S101), if "Yes", judge then whether cooling water temperature is in water temperature or above (S102) of operation (ON) radiator fan 26, if "No" then makes radiator fan 26 be in halted state (OFF) (S105).
Judging whether cooling water temperature is in the step of the water temperature of operation (ON) radiator fan 26 or above (S102), if "Yes", then move radiator fan 26 (S103), if "No" judges that then whether cooling water temperature is less than making radiator fan 26 be in the water temperature (S104) of halted state.
Judging that cooling water temperature is whether less than radiator fan 26 is in the step of water temperature (S104) of halted state, if "Yes" then makes radiator fan 26 stop, if "No" then finishes this process.
According to this radiator fan control system, owing to have the perfect combustion state-detection 12a of portion of perfect combustion zero hour of detecting water cooled engine 11, and based on the testing result of rotating speed detecting sensor 14, in time from the stopping of water cooled engine 11 time when perfect combustion begins, make radiator fan 26 be in halted state, so the electric power that is used for the battery 19 of radiator fan 26 operations can be used for the operation of water cooled engine 11, therefore can easily start water cooled engine 11.
And, because the perfect combustion state-detection 12a of portion constitutes: when the rotating speed of water cooled engine 11 reaches idling speed, detect perfect combustion zero hour, so, in time from the stopping of water cooled engine 11 time till when perfect combustion begins,, make radiator fan 26 be in halted state when the rotating speed of water cooled engine 11 during less than idling speed, therefore, can make radiator fan 26 be in halted state or operation according to the rotating speed of water cooled engine 11.
In addition, because the igniting of water cooled engine undertaken by the full transistor ignition mode, can be used for the igniting undertaken by all-transistor so be used to move the electric power of radiator fan 26, thereby can easily control the burning of fuel.
[inventive embodiment 2]
Below, use Fig. 3 and 4 explanation embodiments of the invention 2, for the embodiment of the invention 1 in the element of same structure, use identical title and symbol and omit its explanation.In embodiments of the invention 2, control unit 12 has the 12c of battery voltage detection portion, the 12c of battery voltage detection portion constitutes: so that when main switch 23 is in on-state, whether the voltage that can detect battery 19 is littler than the voltage that can move radiator fan 26.That is, the 12c of battery voltage detection portion detect cell voltage whether be in such voltage or more than, even promptly this voltage also has the surplus of operation water cooled engine 11 when operation radiator fan 26.And control unit 12 has the 2nd control device 12d, and it is based on the testing result of the 12c of battery voltage detection portion, and whether control makes radiator fan 26 operations.
Below, the controlling method of the radiator fan control system of the embodiment of the invention 2 is described with reference to Fig. 4.
As shown in Figure 4, judge whether the voltage of battery 19 is in voltage or above (S201) of the battery 19 that drives radiator fan 26, if "Yes", judge then whether cooling water temperature is in water temperature or above (S102) that drives radiator fan 26, if "No" then makes radiator fan 26 be in halted state (OFF) (S105).Other controlling method is identical with the situation of the embodiment of the invention 1.
According to this radiator fan control system 20, when cell voltage than the cell voltage that drives radiator fan 26 hour, make radiator fan 26 be in halted state, when cell voltage is in the cell voltage that drives radiator fan 26 or when above, operation radiator fan 26.Therefore, when if the electric power of judging battery 19 just can not carry out the starting of water cooled engine 11 for radiator fan 26 power supplies, can stop radiator fan 26 and make water cooled engine 11 startings, even when judging that powering for radiator fan 26 also can carry out the starting of water cooled engine 11, can under the situation that radiator fan 26 is stopped, starting water cooled engine 11.
Claims (3)
1. a radiator fan control system has: water cooled engine; The radiator that is communicated with the water route of described water cooled engine; Cool off the radiator fan of described radiator; Battery; Detect the battery voltage detection portion of the cell voltage of described battery; Detect the cooling water temperature detection unit of the cooling water temperature of described water cooled engine; Control unit with the actuating of control driving of described water cooled engine and described radiator fan is characterized in that:
Described control unit has the 2nd control device, and this control device is based on the testing result of described battery voltage detection portion, than the voltage that can make the radiator fan running hour, described radiator fan is stopped at described cell voltage; At described cell voltage more than or equal to can make the voltage of radiator fan running the time, the cooling water temperature that detects when described cooling water temperature detection unit is during more than or equal to setting temperature, make described radiator fan running, and the cooling water temperature that detects when described cooling water temperature detection unit stops described radiator fan when lower than described setting temperature.
2. radiator fan control system as claimed in claim 1 is characterized in that: the igniting of described water cooled engine is carried out in the full transistor ignition mode.
3. motor bike with claim 1 or 2 described radiator fan control systems.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004295546A JP2006105074A (en) | 2004-10-08 | 2004-10-08 | Radiator fan control system |
| JP295546/2004 | 2004-10-08 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101058994A Division CN100462528C (en) | 2004-10-08 | 2005-09-29 | Radiator fan controlling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101358553A CN101358553A (en) | 2009-02-04 |
| CN101358553B true CN101358553B (en) | 2010-08-18 |
Family
ID=36375101
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102104211A Expired - Fee Related CN101358553B (en) | 2004-10-08 | 2005-09-29 | Radiator fan control system |
| CNB2005101058994A Expired - Fee Related CN100462528C (en) | 2004-10-08 | 2005-09-29 | Radiator fan controlling system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101058994A Expired - Fee Related CN100462528C (en) | 2004-10-08 | 2005-09-29 | Radiator fan controlling system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006105074A (en) |
| CN (2) | CN101358553B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2161425A4 (en) * | 2007-06-25 | 2011-05-25 | Komatsu Mfg Co Ltd | Working vehicle and method of controlling working vehicle |
| JP5699821B2 (en) * | 2011-06-14 | 2015-04-15 | トヨタ自動車株式会社 | Cooling device for internal combustion engine |
| CN102953797A (en) * | 2011-08-29 | 2013-03-06 | 广西玉柴机器股份有限公司 | Electronic fan of commercial vehicle |
| CN103590886B (en) * | 2013-10-24 | 2017-01-04 | 广西柳工机械股份有限公司 | A kind of loader heat dissipation control method for engine |
| CN115217607B (en) * | 2022-01-29 | 2024-01-16 | 广州汽车集团股份有限公司 | Cooling control method, cooling control device, electronic equipment and readable medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143153A (en) * | 1995-08-11 | 1997-02-19 | 三星电子株式会社 | Device for controlling automobile cooling fan |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0759886B2 (en) * | 1985-10-21 | 1995-06-28 | 本田技研工業株式会社 | Engine cooling system |
| JP2540207B2 (en) * | 1989-05-18 | 1996-10-02 | 富士重工業株式会社 | Cooling fan controller |
| JP3799803B2 (en) * | 1998-03-06 | 2006-07-19 | 日産自動車株式会社 | Control device for cooling fan |
| JP2001090536A (en) * | 1999-09-27 | 2001-04-03 | Yamaha Motor Co Ltd | Method and device for drive-controlling radiator fan |
| JP4442006B2 (en) * | 2000-08-23 | 2010-03-31 | 株式会社デンソー | Control device for vehicle cooling fan |
| JP4002119B2 (en) * | 2001-03-06 | 2007-10-31 | カルソニックカンセイ株式会社 | Water-cooled engine cooling device and control method thereof |
| JP3956812B2 (en) * | 2002-09-13 | 2007-08-08 | トヨタ自動車株式会社 | Engine cooling control device and vehicle equipped with the cooling control device |
-
2004
- 2004-10-08 JP JP2004295546A patent/JP2006105074A/en not_active Withdrawn
-
2005
- 2005-09-29 CN CN2008102104211A patent/CN101358553B/en not_active Expired - Fee Related
- 2005-09-29 CN CNB2005101058994A patent/CN100462528C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143153A (en) * | 1995-08-11 | 1997-02-19 | 三星电子株式会社 | Device for controlling automobile cooling fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100462528C (en) | 2009-02-18 |
| CN1757888A (en) | 2006-04-12 |
| JP2006105074A (en) | 2006-04-20 |
| CN101358553A (en) | 2009-02-04 |
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