CN105604673B - Safety type multi-speed electromagnetic fan clutch control method - Google Patents

Safety type multi-speed electromagnetic fan clutch control method Download PDF

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Publication number
CN105604673B
CN105604673B CN201510975279.XA CN201510975279A CN105604673B CN 105604673 B CN105604673 B CN 105604673B CN 201510975279 A CN201510975279 A CN 201510975279A CN 105604673 B CN105604673 B CN 105604673B
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coil
speed
control module
power
intelligent oil
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CN105604673A (en
Inventor
王兆宇
刘中银
王艳立
李芳�
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LONGKOU ZHONGYU THERMAL MANAGEMENT SYSTEM TECHNOLOGY Co.,Ltd.
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LONGKOU ZHONGYU MACHINERY CO Ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00Controlling of coolant flow
    • F01P7/02Controlling of coolant flow the coolant being cooling-air
    • F01P7/08Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
    • F01P7/081Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps using clutches, e.g. electro-magnetic or induction clutches
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00Controlling of coolant flow
    • F01P7/02Controlling of coolant flow the coolant being cooling-air
    • F01P7/04Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/14Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00Measuring
    • F01P2025/04Pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00Measuring
    • F01P2025/08Temperature
    • F01P2025/50Temperature using two or more temperature sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00Measuring
    • F01P2025/60Operating parameters
    • F01P2025/64Number of revolutions

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

The present invention relates to safety type multi-speed electromagnetic fan clutch control method, control device passes through temperature sensor, speed probe, pressure sensor, electronic control module, Intelligent oil-saving control module monitoring data, and by the data monitored compared with the setting value in clutch, easily switch between multi gear rotating speed in conjunction with according to the real-time rotating speed point situation control clutch of engine.Clutch is set really to realize the steady control method reliable, rotating speed slippage is small of zero-speed operating, rotation speed change its purpose is to provide a kind of.

Description

Safety type multi-speed electromagnetic fan clutch control method
Technical field
The present invention relates to a kind of magnetic drive clutch, more particularly to a kind of safety type multi-speed electromagnetic fan clutch control Method processed.
Background technology
At present, electromagnetic fan clutch realizes cooling fan speed change by electromagnetic coil principle of induction, so as to reach saving Fuel oil, the purpose for reducing energy consumption.
Present engine-cooling system carries out wind cooling temperature lowering by cooling fan to the water temperature of engine thermal cycle system, dissipates Electromagnetic fan clutch is housed between Hot-air fan and engine, varying strength is carried out by the working status for adjusting cooling fan Cooling.At present, electromagnetic fan clutch changes according to water tank temperature or ac control circuit break-make, above-mentioned control parameter are not examined Consider the influence of coolant, charge air cooler, hydraulic fluid temperature and compressor of air conditioner rotating speed, it is impossible to meet that each parts are in optimal work Condition.Since the rise and reduction of engine speed cause engine cool speed quickly rise or quick reduction, cause engine The operating temperature range of off-target;If air-conditioning is opened, electromagnetic fan clutch full-speed operation, the wave of engine power is caused Take.
A kind of three speed clutch are disclosed in the Chinese invention patent of Patent No. ZL200810139812.9, it is possible to achieve Transfer low speed, flexible middling speed, runs at high speed at full speed.When small coil is powered, the soft magnet that is equipped with the end face of fan terminal pad inner cavity Current vortex magnetic field, band are formed with some permanent magnets being interval with the end face of the corresponding magnet fixed disc of fan terminal pad Dynamic cooling fan rotates, and forms the speed of flexibility two.Such three-speed electromagnetic fan clutch, its fan middling speed can only achieve full speed 30%~40%, therefore, engine water temperature cannot meet optimum working temperature, it is necessary to frequently in middling speed and full speed when middling speed is run Between change, and due to rotating speed slippage is big, be also easy to produce impact, the big, radiation energy consumption that produces noise than big, and since level-one driving is Bearing drives cooling fan movement with the transfer that motive spindle rotation produces, therefore a fast rotating speed is restricted.
It is automobile-used double soft that a kind of high-power heavy type is disclosed in the Chinese invention patent of Patent No. ZL201010272698.4 Property driving electromagnetic fan clutch, realize electromagnetic fan clutch by static cold start-up be switched to level-one flexible buffer driving Be switched to two level double-flexibility buffered-display driver again, the double electric eddy-magnetic occasions of two level into strength driving under drive cooling fan rotation Turn, double-flexibility drives the rotating speed slippage and number for reducing switching.
In addition, above two electromagnetic fan clutch can not realize that zero-speed operates, in cold start-up with low speed or one Level soft drive causes engine warm-up time to grow, and is especially greatly increased in extremely frigid zones, energy loss.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of safety type multi-speed electromagnetic fan clutch control device, the dress Putting makes that clutch is truly realized zero-speed operating and rotation speed change is steady reliable, rotating speed slippage is small, is not easy to impact, radiation energy consumption ratio It is small, extend clutch service life.
The present invention provides a kind of safety type multi-speed electromagnetic fan clutch control method, including safety type multi-speed electromagnetism wind Clutch controller is fanned, the control device includes:
Temperature sensor, speed probe, pressure sensor, electronic control module, Intelligent oil-saving control module and safety type are more Fast electromagnetic fan clutch,
The temperature sensor is used to monitor engine water temperature, charge air cooler temperature, transmission oil temperature, hydraulic fluid temperature in real time Intelligent oil-saving control module is sent to Deng temperature control parameter, and by above-mentioned each temperature information t;
The pressure sensor is used for monitoring pressure in real time control parameter, i.e. compressor of air conditioner pressure p, and the pressure is believed Breath is sent to Intelligent oil-saving control module;
The speed probe is used to monitor rotating speed control parameter in real time, i.e. compressor of air conditioner rotating speed v, engine speed V, And the rotary speed information is sent to Intelligent oil-saving control module;
The electronic control module remains unchanged duration T for recording engine water temperature, and the temporal information is sent To Intelligent oil-saving control module;
Described Intelligent oil-saving control module one end connects with temperature sensor, speed probe, pressure sensor, electronic control module Connect, the other end is connected with safety type multi-speed electromagnetic fan clutch, is passed for receiving temperature sensor, speed probe, pressure The signal that sensor and electronic control module are sent simultaneously judged, and it is more to the safety type according to judging result to send break-make electric signal Fast electromagnetic fan clutch is to control the operation range of safety type multi-speed electromagnetic fan clutch;
The control method, comprises the following steps:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, Unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. presetting following setting value in Intelligent oil-saving control module, n is the work of safety type multi-speed electromagnetic fan clutch Make gear series, it is the integer more than 1:
Each corresponding (n-1) level of temperature control parameter is attracted temperature K1, K2, K3……K(n-1)(n-1) level disconnects temperature Spend k1, k2, k3……k(n-1), unit DEG C, wherein, k1<K1<k2<K2<k3<K3……<k(n-1)<K(n-1),;
The n level tachometer values v of compressor of air conditioner1, v2, v3……vn, unit r/min, wherein, v1<v2<v3……<vn
The n level tachometer values V of engine1, V2, V3……Vn, unit r/min, wherein V1<V2<V3……<Vn
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P carry out Compare, during p > P, the control safety type multi-speed electromagnetic fan clutch full-speed operation of Intelligent oil-saving control module;
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, Intelligent oil-saving control module is according to comparative result and combines the real-time tachometer value V situations control safety type multi-speed electromagnetic fan of engine The operation range of clutch, following m are integer variable, and 1≤m < n:
(1) during engine start, the operating of safety type multi-speed electromagnetic fan clutch zero-speed;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature KmOr compressor of air conditioner rotating speed V is increased to v(m+1)During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2 ~V3)、……(Vn-1~Vn) different range carry out the power on/off of intelligent control safety type multi-speed electromagnetic fan clutch, and then control The operation range of safety type multi-speed electromagnetic fan clutch processed, makes safety type multi-speed electromagnetic fan clutch in a speed, two speed, three Speed ... switches between n speed;
(3) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal kmOr compressor of air conditioner turns Fast v is reduced to vmDuring value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3)、……(Vn-1~Vn) different range carry out the power on/off of intelligent control safety type multi-speed electromagnetic fan clutch, and then control The operation range of safety type multi-speed electromagnetic fan clutch, makes safety type multi-speed electromagnetic fan clutch in a speed, two speed, three Speed ... switches between n speed;
(4) when the duration T that engine water temperature remains unchanged is equal to preset time T ':
The rotating speed of safety type multi-speed electromagnetic fan clutch >=bis- are fast, then Intelligent oil-saving control module control safety type multi-speed Electromagnetic fan clutch rotating speed reduces level-one;
The rotating speed of safety type multi-speed electromagnetic fan clutch is a speed, then Intelligent oil-saving control module control safety type multi-speed Electromagnetic fan clutch rotating speed remains unchanged.
In the control method of the present invention, the n is equal to 3, and the safety type multi-speed electromagnetic fan clutch is to have 3 grades of rotating speeds Safety type three-speed electromagnetic fan clutch, the control method of the safety type three-speed electromagnetic fan clutch includes following step Suddenly:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, Unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. following setting value is preset in Intelligent oil-saving control module:
Each corresponding level-one of temperature control parameter is attracted temperature value K1, two level actuation temperature value K2, level-one power-off temperature Value k1, two level power-off temperature value k2, unit DEG C, wherein, k1<K1<k2<K2
3 grades of tachometer value v of compressor of air conditioner1, v2, v3, unit r/min, wherein, v1<v2<v3
3 grades of tachometer value V of engine1, V2, V3, unit r/min, wherein, V1<V2<V3
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P carry out Compare, during p > P, Intelligent oil-saving control module control coil element is powered with coil one;
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, Intelligent oil-saving control module according to comparative result and combine the real-time tachometer value V situations control coil element of engine, coil one, Power on/off, wherein m are integer variable, and 1≤m < 3:
(1) during engine start, Intelligent oil-saving control module control coil element 3 is powered;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature K1Or compressor of air conditioner rotating speed V is increased to v2During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3) different range come intelligent control coil part, the power on/off of coil one:
I engine speed is in 0~V1In the range of, the power-off of Intelligent oil-saving control module control coil element, the delay of coil one h After be powered;
Ii engine speed is in V1~V2In the range of, the power-off of Intelligent oil-saving control module control coil element, coil one are delayed It is powered after h, or coil part, coil one power off;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one power off;
(3) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature K2Or compressor of air conditioner rotating speed V is increased to v3During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3) different range come intelligent control coil part, the power on/off of coil one:
I engine speed is in 0~V1In the range of, the power-off of Intelligent oil-saving control module control coil element, the delay of coil one h After be powered;
Ii engine speed is in V1~V2In the range of, the power-off of Intelligent oil-saving control module control coil element, coil one are delayed It is powered after h;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one power off; Or it is powered after coil part power-off, the delay of coil one h;
(4) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal k2Or compressor of air conditioner turns Fast v is reduced to v2During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3) different range come intelligent control coil part, the power on/off of coil one:
I engine speed is in 0~V1In the range of, the power-off of Intelligent oil-saving control module control coil element, the delay of coil one h After be powered;
Ii engine speed is in V1~V2In the range of, the power-off of Intelligent oil-saving control module control coil element, coil one are delayed It is powered after h, or coil part, coil one power off;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one power off;
(5) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or the value of any temperature control parameter drops to Its corresponding level-one power-off temperature value k1When, the power-off of Intelligent oil-saving control module control coil one, coil part delay h after lead to Electricity;
(6) when the duration T that engine water temperature remains unchanged is equal to preset time T ':
When rotating speed >=bis- speed of safety type three-speed electromagnetic fan clutch, Intelligent oil-saving control module control rotating speed reduces Level-one;
When the rotating speed of safety type three-speed electromagnetic fan clutch is fast for one, Intelligent oil-saving control module control rotating speed is kept It is constant.
In the control method of the present invention, the n is equal to 4, and the safety type multi-speed electromagnetic fan clutch is to have 4 grades of rotating speeds Safety type four-speed electromagnetic fan clutch, the control method of the safety type four-speed electromagnetic fan clutch includes following step Suddenly:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, Unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. following setting value is preset in Intelligent oil-saving control module:
Each corresponding level-one of temperature control parameter is attracted temperature value K1, two level actuation temperature value K2, three-level actuation temperature Value K3, level-one power-off temperature value k1, two level power-off temperature value k2, three-level power-off temperature value k3, unit DEG C, wherein, k1<K1<k2<K2< k3<K3
4 grades of tachometer value v of compressor of air conditioner1, v2, v3, v4, unit r/min, wherein, v1<v2<v3<v4
4 grades of tachometer value V of engine1, V2, V3, V4, unit r/min, wherein, V1<V2<V3<V4
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P carry out Compare, during p > P, Intelligent oil-saving control module control coil element is powered off with coil two, coil one is powered;
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, Intelligent oil-saving control module is according to comparative result and combines the real-time tachometer value V situations control coil element of engine, coil one, line The power on/off of circle two, wherein m are integer variable, and 1≤m < 4:
(1) during engine start, Intelligent oil-saving control module control coil element 3 is powered;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature KmOr compressor of air conditioner rotating speed V is increased to v(m+1)During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2 ~V3)、(V3~V4) different range come intelligent control coil part, coil one, the power on/off of coil two:
(i) it is attracted temperature value K when the value of any temperature control parameter rises to its corresponding level-one1Or compressor of air conditioner turns Fast v is increased to its corresponding second rotating speed v2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element, coil two power off, coil It is powered after one delay h;
Ii engine speed is in V1~V2In the range of, the power-off of Intelligent oil-saving control module control coil element, coil two are delayed It is powered after h, or coil part, coil one, coil two power off;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one, coil two Power off;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one, coil two Power off;
(ii) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v3Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding two level2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil two, coil part power-off, coil It is powered after one delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element, coil one power off, line It is powered after the delay of circle two h;Or coil two, coil part power off, it is powered after the delay of coil one h;
Iii engine speed is in V2~V3In the range of, the power-off of Intelligent oil-saving control module control coil element, coil two prolong When h after be powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one power off, line It is powered after the delay of circle two h, or coil part, coil one, coil two power off;
(iii) when compressor of air conditioner rotating speed v is increased to its corresponding 4th rotating speed v4Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding three-level3When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil two, coil part power-off, coil It is powered after one delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil two, coil part power-off, line It is powered after the delay of circle one h;
Iii engine speed is in V3~V4, Intelligent oil-saving control module control coil element, coil one power off, and coil two prolongs When h after be powered, or coil two, coil part power-off, coil one be delayed h after be powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one power off, line It is powered after the delay of circle two h;Or coil two, coil part power off, it is powered after the delay of coil one h;
(3) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal kmOr compressor of air conditioner turns Fast v is reduced to vmDuring value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3)、(V3~V4) different range come intelligent control coil part, coil one, the power on/off of coil two:
(i) when compressor of air conditioner rotating speed v is reduced to its corresponding 3rd rotating speed v3Or the value of any temperature control parameter drops to Its corresponding three-level power-off temperature value k3When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil two, coil part power-off, coil It is powered after one delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element, coil one power off, line It is powered after the delay of circle two h;Or coil two, coil part power off, it is powered after the delay of coil one h;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one power off, line It is powered after the delay of circle two h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one power off, line It is powered after the delay of circle two h, or coil part, coil one, coil two power off;
(ii) when compressor of air conditioner rotating speed v is reduced to its corresponding second rotating speed v2Or the value of any temperature control parameter drops to Its corresponding two level power-off temperature value k2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil two, coil part power-off, coil It is powered after one delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element, coil one power off, line It is powered after the delay of circle two h, or coil part, coil one, coil two power off;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one, coil two Power off;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one, coil two Power off;
(4) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or the value of any temperature control parameter drops to Its corresponding level-one power-off temperature value k1When, Intelligent oil-saving control module control coil one, coil two power off, and coil part prolongs When h after be powered;
(5) when the duration T that engine water temperature remains unchanged is equal to preset time T ':
When rotating speed >=bis- speed of safety type four-speed electromagnetic fan clutch, Intelligent oil-saving control module control rotating speed reduces Level-one;
When the rotating speed of safety type four-speed electromagnetic fan clutch is fast for one, Intelligent oil-saving control module control rotating speed is kept It is constant.
In the control method of the present invention, the n is equal to 5, and the safety type multi-speed electromagnetic fan clutch is to have 5 grades of rotating speeds The fast electromagnetic fan clutch of safety type five, the control method of the fast electromagnetic fan clutch of safety type five includes following step Suddenly:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, Unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. following setting value is preset in Intelligent oil-saving control module:
Each corresponding level-one of temperature control parameter is attracted temperature value K1, two level actuation temperature value K2, three-level actuation temperature Value K3, level Four actuation temperature value K4, level-one power-off temperature value k1, two level power-off temperature value k2, three-level power-off temperature value k3, level Four breaks Electro-temperature value k4, unit DEG C, wherein, k1<K1<k2<K2<k3<K3<k4<K4
5 grades of tachometer value v of compressor of air conditioner1, v2, v3, v4, v5, unit r/min, wherein, v1<v2<v3<v4<v5
5 grades of tachometer value V of engine1, V2, V3, V4, V5, unit r/min, wherein, V1<V2<V3<V4<V5
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P carry out Compare, during p > P, Intelligent oil-saving control module control coil element, coil two, coil three power off, and coil one is powered;
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, Intelligent oil-saving control module is according to comparative result and combines the real-time tachometer value V situations control coil element of engine, coil one, line Circle two, the power on/off of coil three, wherein m are integer variable, and 1≤m < 5:
(1) during engine start, Intelligent oil-saving control module control coil element 3 is powered;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature KmOr compressor of air conditioner rotating speed V is increased to v(m+1)During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2 ~V3)、(V3~V4)、(V4~V5) different range come intelligent control coil part, coil one, coil two, the break-make of coil three Electricity:
(i) it is attracted temperature value K when the value of any temperature control parameter rises to its corresponding level-one1Or compressor of air conditioner turns Fast v is increased to its corresponding second rotating speed v2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element, coil two, coil three are disconnected Electricity, coil one be delayed h after be powered;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element, coil one power off, Coil two, coil three are delayed after h and are powered;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one, coil two Power off, be powered after the delay of coil three h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one, coil two, Coil three powers off;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element, coil one, coil two, Coil three powers off;
(ii) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v3Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding two level2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element, coil one power off, Coil two, coil three are delayed after h and are powered;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one power off, Coil two, coil three are delayed after h and are powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one, coil two Power off, be powered after the delay of coil three h;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element, coil one, coil two, Coil three powers off;
(iii) when compressor of air conditioner rotating speed v is increased to its corresponding 4th rotating speed v4Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding three-level3When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Iii engine speed is in V3~V4, Intelligent oil-saving control module control coil element 3, coil two, coil three are disconnected Electricity, coil one be delayed h after be powered;Or coil part, coil one power off, coil two, coil three are delayed after h and are powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one power off, Coil two, coil three are delayed after h and are powered;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element, coil one power off, line Circle two, coil three be delayeds after h and are powered, or coil part, coil one, coil two power off, and are powered after the delay of coil three h;
(iv) when compressor of air conditioner rotating speed v is increased to its corresponding 5th rotating speed v5Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding level Four4When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Iii engine speed is in V3~V4, Intelligent oil-saving control module control coil element 3, coil two, coil three are disconnected Electricity, coil one be delayed h after be powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;Or coil part, coil one power off, coil two, coil three, which are delayed after h, to be led to Electricity;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;Or coil part, coil one power off, coil two, coil three, which are delayed after h, to be led to Electricity;
(3) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal kmOr compressor of air conditioner turns Fast v is reduced to vmDuring value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3)、(V3~V4)、(V4~V5) different range come intelligent control coil part, coil one, coil two, the power on/off of coil three:
(i) when compressor of air conditioner rotating speed v is reduced to its corresponding 4th rotating speed v4Or the value of any temperature control parameter drops to Its corresponding level Four power-off temperature value k4When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil Three power off, and are powered after the delay of coil one h;Or coil part, coil one power off, coil two, coil three, which are delayed after h, to be led to Electricity;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one power off, Coil two, coil three are delayed after h and are powered;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element, coil one power off, line Circle two, coil three be delayeds after h and are powered, or coil part, coil one, coil two power off, and are powered after the delay of coil three h;
(ii) when compressor of air conditioner rotating speed v is reduced to its corresponding 3rd rotating speed v3Or the value of any temperature control parameter drops to Its corresponding three-level power-off temperature value k3When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element, coil one power off, Coil two, coil three are delayed after h and are powered;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one power off, Coil two, coil three are delayed after h and are powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one, coil two Power off, be powered after the delay of coil three h;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element, coil one, coil two, Coil three powers off;
(iii) when compressor of air conditioner rotating speed v is reduced to its corresponding second rotating speed v2Or the value of any temperature control parameter drops to Its corresponding two level power-off temperature value k2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element 3, coil two, coil three Power off, be powered after the delay of coil one h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element, coil one power off, Coil two, coil three are delayed after h and are powered;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element, coil one, coil two Power off, be powered after the delay of coil three h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element, coil one, coil two, Coil three powers off;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element, coil one, coil two, Coil three powers off;
(4) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or the value of any temperature control parameter drops to Its corresponding level-one power-off temperature value k1When, Intelligent oil-saving control module control coil one, coil two, coil three power off, line It is powered after the delay of coil element 3 h;
(5) when the duration T that engine water temperature remains unchanged is equal to preset time T ':
When rotating speed >=bis- speed of the fast electromagnetic fan clutch of safety type five, Intelligent oil-saving control module control rotating speed reduces Level-one;
When the rotating speed of the fast electromagnetic fan clutch of safety type five is fast for one, Intelligent oil-saving control module control rotating speed is kept It is constant.
In any of the above-described control method, the preset time T ' is 10~30min, and the time h is 2s.
Clutch is set to be truly realized zero-speed operating using the control device and control method of the present invention, in high speed state Under can normally be cooled down to engine, hence it is evident that reduce switching frequency of the cooling fan between high speed, reduce at the same time Operating noise, reduces the impact endurance test shock abrasion to engine connector and electromagnetic fan clutch.Moreover, above-mentioned each All power-off or vehicle cannot stop coil in time, or under other complex situations that temporarily Parking permitted, control of the invention Device processed and control method can also make clutch in the case of power free, work under two fast middling speed soft drives.Meanwhile The control device and control method of the present invention can intelligently adjust the operation range of electromagnetic fan clutch according to different operating modes, into One step improves energy-saving effect, makes that cooling fan rotation speed change is steady reliable, and rotating speed slippage is small, and radiation energy consumption reduces than small Engine and electromagnetic fan clutch are impacted, cooling fan operating noise is reduced, extends cooling fan and electromagnetic fan Life of clutch, and engine is in optimal working status.
Safety type multi-speed electromagnetic fan clutch control method of the present invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the main view part sectioned view of one safety type four-speed electromagnetic fan clutch of the embodiment of the present invention;
Fig. 2 is the main view part sectioned view of two safety type three-speed electromagnetic fan clutch of the embodiment of the present invention;
Fig. 3 is the main view part sectioned view of the fast electromagnetic fan clutch of three safety type of the embodiment of the present invention five;
Fig. 4 is the structure diagram of the control device of the safety type multi-speed electromagnetic fan clutch of the present invention;
Fig. 5 is the flow chart of the control method of safety type multi-speed electromagnetic fan clutch of the present invention;
Fig. 6 is common three-speed electromagnetic fan clutch, double-flexibility electromagnetic fan clutch and the embodiment of the present invention one are safe The rotary speed property comparison diagram of formula four-speed electromagnetic fan clutch.
Embodiment
Embodiment 1:
As shown in Figure 1, safety type four-speed electromagnetic fan clutch 400 of the present invention, including dead axle 13, dead axle 13 pass through stent 28 are fixed on engine or engine pan.The axial recessing 131 of dead axle 13, radially convinces string holes 132 by patient analysis.In dead axle 13 most Left end is equipped with the fan terminal pad 5 being coaxial therewith, and right end is equiped with the belt pulley 8 being coaxial therewith.Fan terminal pad 5 passes through bearing One 27 are rotatablely connected with dead axle 13.Belt pulley 8 is rotatablely connected by bearing 3 14 and dead axle 13.Fan terminal pad 5 is diametrically Equipped with observation panel 51, iron-core element 4 in following one fast electromagnetic clutch device 100 of 51 ventilation and heat of observation panel and detection can be passed through And the gap width being attracted between disk 2.Fan terminal pad 5 is radially provided with reinforcing rib 52 at it, and observation panel 51 and reinforcing rib 52 can shapes Into wind path, effective temperature-reducing is carried out to the inside connector of safety type electromagnetic fan clutch in the cooling fan course of work.
5 left side of fan terminal pad, i.e., with 8 phase of belt pulley from one side be connected with connector, the connector bag Contain but be not limited to cooling fan, the present embodiment is illustrated by taking cooling fan (not shown) as an example.Connected in the fan The right side inner cavity of disk 5 is equiped with a fast electromagnetic clutch device 100, and a fast electromagnetic clutch device 100 is located at fan terminal pad 5 and the In the cavity that one magnet fixed disc 23 surrounds, a fast electromagnetic clutch device 100 includes at least axial suitable from left to right along dead axle 13 The shrapnel 1 coaxial with dead axle 13 of sequence installation, be attracted disk 2, coil part 3 and iron-core element 4, is attracted disk 2 and is fixed by shrapnel 1 Installed in the right side inner cavity end face of fan terminal pad 5, iron-core element 4 is fixedly mounted on dead axle 13, is attracted disk 2 and iron-core element There are gap, the embedded wired coil element 3 of iron-core element 4 between 4.Conducting wire in iron-core element 4 passes through the groove on dead axle 13 131st, wire guide 132 exports, therefore the clutch of the present invention is it is possible to prevente effectively from harness is torn.
In fan terminal pad 5 and 8 adjacent surface of belt pulley, i.e., the two opposite end face is equipped with the flexible drive of eddy current permanent-magnet Dynamic device 200, eddy current permanent-magnet flexible drive device 200 include permanent magnet A20, magnetic conduction soft board A19.The right side of fan terminal pad 5 Be connected locking plate 22 on the end face of belt pulley 8, can be by locking plate 22 and wind when whole coils in clutch power off Fan terminal pad 5 to be connected, realize clutch full-speed operation, therefore, locking plate 22 is ensured after the coil blackout in clutch fails The emergency set of clutch full-speed operation, no locking plate 22 realize full-speed operation after can not ensureing clutch failure.Locking plate 22 its right end face by the first shrapnel 6 be connected first be attracted disk 7, belt pulley 8 and first be attracted disk 7 between there are gap.Lock 3 are connected on tight disk 22 along the equally distributed fixed block of 22 circumferencial direction of locking plate, two permanent magnet A20 are installed on fixed block, Fixed block is set to greatly facilitate the fixation of permanent magnet A20.A20 number of permanent magnet is illustrated exemplified by 2 in the present embodiment, It is identical with this that multiple, multiple settings, use principle can be added, do not repeated herein.The connected heat dissipation plate 18 in the left side of belt pulley 8, leads Magnetic soft board A19 is embedded in heat dissipation plate 18, magnetic conduction soft board A19 positions and permanent magnet A20 or so be opposite and magnetic conduction soft board A19 with forever There are gap between magnet A20.Meanwhile the two position can exchange.
5 inner cavity of fan terminal pad is also equiped with the first magnet fixed disc 23 being coaxial therewith, and the first magnet fixed disc 23 is pacified It is adjacent with belt pulley 8 mounted in the right side of a fast electromagnetic clutch device 100, and be rotatablely connected by bearing 2 26 and dead axle 13.The The diameter of one magnet fixed disc 23 is less than the diameter of fan terminal pad 5, i.e., along dead axle 13 radially, outside the first magnet fixed disc 23 There are gap between periphery and the inner peripheral surface of fan terminal pad 5, the outer circumference surface of the first magnet fixed disc 23 is positioned at a speed In the inner cavity that the outer circumference surface of electromagnetic clutch device 100 is surrounded with 5 inner peripheral surface of fan terminal pad.First magnet fixed disc 23 is right End face, i.e., be connected by the second shrapnel 17 close to a side end face of belt pulley 8 and second be attracted disk 16, fan terminal pad 5 is along its axis To internal face and 23 left side of bearing fixed disk relative position on be respectively equipped with permanent magnet B25, magnetic conduction soft board B24.Permanent magnetism Body B25, magnetic conduction soft board B24 positions can exchange, as long as the two is opposite.
Iron core member 300 is equiped with the coaxial fixation of the right end of dead axle 13, iron core member 300 is embedded in belt pulley 8, and It is fixed on dead axle 13, will not be rotated by fixed plate 15.Dead axle 13 is fixed on stent 28.Iron core member 300 includes iron core With the coil being embedded in iron core, iron core member 300 includes at least two iron core and 2 coils.Specifically, iron core member 300 wraps The iron core 1 for being embedded with coil 1 and the iron core 2 11 for being embedded with coil 2 12 are included, iron core 1 and iron core 2 11 are in dead axle 13 Radially it is arranged side by side from outside to inside, and iron core 1 and iron core 2 11 are coaxial with dead axle 13.
Preferably, on 8 left side of belt pulley, i.e., belt pulley 8 is equipped with several close to a side end face of the first actuation disk 7 The coaxial annular magnetic conductive groove 2 81 with dead axle 13, several annular magnetic conductive grooves 2 81 are arranged from inside to outside along the radial direction of belt pulley 8. The effect of annular magnetic conductive groove 2 81 is guiding magnetic circuit, so as to increase electromagnetic attraction, if without if electromagnetic attraction it is less than normal, cause belt 8 and first actuation disk 7 of wheel can not be attracted.
The present embodiment has 4 level work gears, i.e. four rotating speeds:
One speed:1. when coil 1 and coil 2 12 are in off-position, 3 delay time h of coil part be powered, 2. when When coil 2 12 is in off-position, coil 1 is changed into powering off from energization, and 3 delay time h of coil part is powered, and 3. works as coil One 10 when being in off-position, and coil 2 12 is changed into powering off from energization, and 3 delay time h of coil part is powered.Meet any of the above-described During condition, coil part 3 produces electromagnetic attraction and is attracted disk 2, since the iron-core element 4 where coil part 3 is integrally fixed at On dead axle 13, therefore, it is attracted disk 2 and is also fixed, the fan terminal pad 5 being connected with being attracted disk 2 by shrapnel 1, and fan The cooling fan being connected with terminal pad 5 is also together fixed, and at this time, clutch does fast i.e. zero rotation speed operation.
Two speed:1. when coil 1 and coil 2 12 are in off-position, coil part 3 is changed into powering off from energization, 2. When coil 1 and coil part 3 are in off-position, coil 2 12 is changed into powering off from energization, 3. when coil 2 12 and coil When element 3 is in off-position, coil 1 is changed into powering off from energization.When meeting any of the above-described condition, the institute in clutch There is coil to power off not working, all actuation disks are not attracted yet, the magnetic conduction in eddy current permanent-magnet flexible drive device 200 It is two speed that soft board A19 and permanent magnet A20, which produces the cooling fan that current vortex magnetic field driving fan terminal pad 5 is connected with, i.e., middling speed is soft Property operating.
Three speed:1. when coil 1 is in off-position, coil part 3 is changed into powering off from energization, and coil 2 12 is delayed It is powered after time h, 2. when coil 1 and coil part 3 are in off-position, is powered after 2 12 delay time h of coil, 3. When coil part 3 is in off-position, coil 1 is changed into powering off from energization, and coil 2 12 is powered.Meet any of the above-described During part, coil 2 12 produces electromagnetic attraction and is attracted the second actuation disk 16, therefore belt pulley 8 drives 23 turns of the first magnet fixed disc Dynamic, 200 permanent magnet B25 of eddy current permanent-magnet flexible drive device, the magnetic conduction on the first magnet fixed disc 23 and fan fixed disk 5 are soft The cooling fan that current vortex magnetic field drives fan terminal pad 5 to be connected with is produced between plate B24 to rotate.In this case, second is attracted disk After 16 are attracted, it is connected equivalent to by belt pulley 8 and the first magnet fixed disc 23, soft drive is added compared with being compared in two speed, Transmission effect thus is substantially improved, improves rotating speed, at this time, cooling fan is three speed, i.e. the more flexible operatings of high speed.
(four-speed) at full speed:1. when coil 2 12 and coil part 3 are in off-position, after one 10 delay time h of coil It is powered, 2. when coil two is in off-position, coil part 3 is changed into powering off from energization, is led to after one 10 delay time h of coil Electricity;3. when coil part 3 is in off-position, coil 2 12 is changed into powering off from energization, and coil 1 is powered.Meet above-mentioned During one condition, coil 1 produces electromagnetic attraction and is attracted the first actuation disk 7, and thus belt pulley 8 and fan terminal pad 5 are connected, Belt pulley 8 is not required to be driven through miscellaneous part, but directly drives fan terminal pad 5 to rotate, therefore rotating speed greatly improves, at this time, Cooling fan middling speed flexibility operates as four-speed, i.e. full-speed operation.
Embodiment 2:
As shown in Fig. 2, be safety type three-speed electromagnetic fan clutch 500, the embodiment and embodiment 1 difference lies in: The first magnet fixed disc 23 being not provided with fan terminal pad 5 in embodiment 1, iron core member 300 include iron core 1 and are embedded in Coil 1 in iron core 1.With four speed clutch, 4 speed conditions similarly, due to lacked the first magnet fixed disc 23 with And corresponding permanent magnet B25, magnetic conduction soft board B24, so, the clutch of the present embodiment has 3 level work gears, i.e., three turn Speed:
One speed:1. coil 1 is in off-position, 3 delay time h of coil part is powered, and 2. coil 1 powers off, line 3 delay time h of coil element is powered.When meeting any of the above-described condition, coil part 3 produces electromagnetic attraction and is attracted disk 2, cold But fan is fast for one, i.e. zero rotation speed operation.
Two speed:1. coil 1 is in off-position, coil part 3 powers off, and 2. coil part 3 is in off-position, line Enclose one 10 power-off.When meeting any of the above-described condition, magnetic conduction soft board A19 and permanent magnet A20 produces current vortex magnetic field driving fan and connects Connect the cooling fan that disk 5 is connected with and do two speed, the i.e. flexible operating of middling speed.
At full speed:1. coil part 3 is in off-position, it is powered after one 10 delay time h of coil, 2. coil part 3 is by leading to Electricity is changed into powering off, and is powered after one 10 delay time h of coil.Coil 1, which is powered, produces electromagnetic attraction actuation the first actuation disk 7, cold But fan full-speed operation.
Embodiment 3:
As shown in figure 3, be the fast electromagnetic fan clutch 600 of safety type five, the embodiment and embodiment 1 difference lies in, Clutch further includes the second magnet fixed disc the 41, the 3rd and is attracted disk 43, the 3rd shrapnel 44 and fixed disk 35.In fan fixed disk 5 Chamber is installed with the fixed disk 35 being coaxial therewith, and 35 outer circumference surface of fixed disk is connected with 5 inner wall of fan fixed disk and is located at the first magnetic The right side of ferropexy disk 23.Fixed disk 35 is between the second magnet fixed disc 41 and belt pulley 8.Fixed disk 35 is consolidated with the first magnet It is provided with the second magnet fixed disc 41 between price fixing 23, there are gap between 35 and second magnet fixed disc 41 of fixed disk.Second 41 and first magnet fixed disc 23 of magnet fixed disc is rotatablely connected by composite bearing 40 and dead axle 13, the first magnet fixed disc 23 It is connected with the middle ring 401 of composite bearing 40, the outer shroud 402 of the second magnet fixed disc 41 and composite bearing 40 is connected.
Second magnet fixed disc, 41 end face outside is to set permanent magnet D42, fixed disk on the wall of 35 side of fixed disk The magnetic conduction soft board D36 opposite with permanent magnet D42 is set on 35, magnetic conduction soft board D36 is embedded in fixed disk 35, and permanent magnet D42, magnetic conduction are soft Plate D36 positions are opposite and gap is arranged, as magnetic conduction soft board A19, permanent magnet A20 in embodiment 1, permanent magnet D42, magnetic conduction Soft board D36 positions are interchangeable.
Second is attracted disk 16 is connected by the second shrapnel 17 and the second magnet fixed disc 41, and the 3rd actuation disk 43 passes through the 3rd Shrapnel 44 and the middle ring 401 of composite bearing 40 are connected.
Iron core member 300 includes being embedded with the iron core 1 of coil 1, is embedded with the iron core 2 11 of coil 2 12 and embeds There is the iron core 3 38 of coil 3 39, iron core 1, iron core 2 11 and iron core 3 38 are radially coaxial side by side from outside to inside in dead axle 13 Arrangement.
With embodiment one, two similarly, the present embodiment has 5 level work gears, i.e. five rotating speeds:
One speed:1. when coil 1, coil 2 12, coil 3 39 are in off-position, 3 delay time h of coil part It is powered, 2. when coil 1, coil 3 39 are in off-position, coil 2 12 is changed into powering off from energization, and coil part 3 is delayed Time h is powered;Or when coil 1, coil 2 12 are in off-position, coil 3 39 is changed into powering off from energization, element coil 3 delay time h of part is powered.3. when coil 1 is in off-position, coil 2 12, coil 3 39 are changed into powering off from energization, 3 delay time h of coil part is powered, and 4. when coil 2 12, coil 3 39 are in off-position, coil 1 is changed into from energization Power-off, 3 delay time h of coil part is powered, and when meeting any of the above-described condition, coil part 3 produces electromagnetic attraction and is attracted Disk 2, that is, be attracted disk 2 and be pulled together with iron-core element 4, since the iron-core element 4 where coil part 3 is integrally fixed at dead axle 13 On, therefore, it is attracted disk 2 and is also fixed, the fan terminal pad 5 being connected with being attracted disk 2 by shrapnel 1, and fan terminal pad 5 On the cooling fan that is connected with also together fixed, at this time, clutch does fast i.e. zero rotation speed operation.
Two speed:With a fast situation similarly, all coils in clutch, i.e. coil 1, coil 2 12, coil 3 39, Coil part 3 powers off when not working, all actuation disks in clutch, that is, is attracted disk 2, first and is attracted disk 7, second and be attracted Disk the 16, the 3rd is attracted disk 43 and is not attracted, at this time, the current vortex field drives wind that magnetic conduction soft board A19 and permanent magnet A20 is produced The cooling fan that fan terminal pad 5 is connected with does two speed, the i.e. flexible operating of middling speed.
Three speed:With a fast situation similarly, coil 1, coil 3 39, coil part 3 power off, and only coil 2 12 is powered, At this time, coil 2 12 produces electromagnetic attraction and is attracted the second actuation disk 16, and belt pulley 8 drives the second magnet fixed disc 41 to rotate.This In the case of kind, the cooling fan that current vortex magnetic field drives fan terminal pad 5 to be connected with is produced between permanent magnet D42, magnetic conduction soft board D36 Rotate.Alternatively, coil 1, coil 2 12, coil part 3 power off, only coil 3 39 is powered, and at this time, coil 39 is attracted the Three are attracted disk 43, and belt pulley 8 drives the first magnet fixed disc 23 to rotate.Such a situation, the first magnet fixed disc 23, fan are fixed Current vortex magnetic field is produced between permanent magnet B25, magnetic conduction soft board B24, permanent magnet C30, magnetic conduction soft board C31 on disk 5 and drives fan The cooling fan that terminal pad 5 is connected with rotates.Second actuation disk 16 or the 3rd is attracted after disk 43 is attracted, equivalent to by belt pulley 8 It is connected with the second magnet fixed disc 41 or the first magnet fixed disc 23, for two fast situations, adds soft drive, change significantly Transmission effect has been apt to it, has improved rotating speed, at this time, cooling fan is three speed, i.e. the more flexible operatings of high speed.
Four-speed:With a fast situation similarly, coil 1, coil part 3 power off, and only coil 2 12, coil 3 39 are powered, At this time, the second actuation disk the 16, the 3rd is attracted disk 43 and is attracted, and compared to the situation of three speed, and adds soft drive at one, Therefore transmission effect is further improved, improves rotating speed, at this time, cooling fan is four-speed, i.e. the more flexible operatings of high speed.
At full speed:With a fast situation similarly, coil 2 12, coil 3 39, coil part 3 power off, and only coil 1 is powered, At this time, coil 1 produces electromagnetic attraction and is attracted the first actuation disk 7, and thus belt pulley 8 and fan terminal pad 5 are connected, belt Wheel 8 is not required to be driven through miscellaneous part, but directly drives fan terminal pad 5 to rotate, therefore rotating speed greatly improves, at this time, cooling Fan middling speed flexibility operates as five speed, i.e., runs at high speed at full speed.
The present embodiment adds actuation tie point the (the 3rd at one by increasing the second magnet fixed disc 41 and associated components Be attracted disk 43 and middle ring 401), a current vortex magnetic field (being produced by permanent magnet D42 and magnetic conduction soft board D36).The present embodiment from Clutch adds primary transmission mechanism, and a kind of again more changes of rotating speed, generate five rotating speeds, therefore, the clutch of the present embodiment Device rotating speed is more controllable, and efficiently reduces the speed discrepancy of different operating gear, clutch is operated steadily, to associated components Impact it is small, abrasion it is small.
As shown in figure 4, safety type multi-speed electromagnetic fan clutch control device of the present invention, including temperature sensor, rotating speed Sensor, pressure sensor, electronic control module, Intelligent oil-saving control module and electromagnetic fan clutch, above-mentioned part can be with It is single module, can also be implanted into the ECU of engine.ECUElectronic Control Unit electronic control units, Also known as " car running computer ", " vehicle-mounted computer " etc., are then automobile specified microcomputerized controller from purposes, it and common computer one Sample, by microprocessor CPU, memory ROM, RAM, input/output interface I/O, modulus converter A/D and shaping, driving etc. Large scale integrated circuit forms.
Temperature sensor is used to monitor engine water temperature, charge air cooler temperature, transmission oil temperature, hydraulic fluid temperature isothermal in real time Control parameter is spent, and above-mentioned each temperature information t is sent to Intelligent oil-saving control module;
Pressure sensor is used for monitoring pressure in real time control parameter, i.e. compressor of air conditioner pressure p, and the pressure information is sent out It is sent to Intelligent oil-saving control module;
Speed probe is used to monitor rotating speed control parameter in real time, i.e. compressor of air conditioner rotating speed v, engine speed V, and will The rotary speed information is sent to Intelligent oil-saving control module;
Electronic control module remains unchanged duration T for recording engine water temperature, and the temporal information is sent to intelligence Can fuel-saving control module;
Intelligent oil-saving control module one end is connected with temperature sensor, speed probe, pressure sensor, electronic control module, The other end is connected with safety type four-speed electromagnetic fan clutch, for receiving temperature sensor, speed probe, pressure sensor The signal that is sent with electronic control module is simultaneously judged, and sends break-make electric signal to a fast electromagnetic clutch device according to judging result 100th, iron core member 300 is to control the operation range of clutch.
With reference to shown in Fig. 5, below to being carried out using above-mentioned control device to the clutch of the present invention by taking n speed clutch as an example The control method of control illustrates, wherein, n is the operation range series of clutch, i.e. number of speeds, and n is whole more than 1 Number, n speed clutch refer to have 1,2,3 ... the clutch of n grades of rotating speeds.The n speed clutch also has (n- in addition to coil part 3 2) a coil.
N speed clutch control methods, comprise the following steps:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, Unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. following setting value is preset in Intelligent oil-saving control module:
Each corresponding (n-1) level of temperature control parameter is attracted temperature K1, K2, K3……K(n-1)(n-1) level disconnects temperature Spend k1, k2, k3……k(n-1), wherein, k1<K1<k2<K2<k3<K3……<k(n-1)<K(n-1), unit DEG C;
The corresponding n grades of rotating speed of compressor of air conditioner, v1, v2, v3……vn, unit r/min, wherein v1<v2<v3……<vn
The corresponding n grades of rotating speed of engine, V1, V2, V3……Vn, unit r/min, wherein V1<V2<V3……<Vn
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P carry out Compare, during p > P, the control electromagnetic fan clutch full-speed operation of Intelligent oil-saving control module.
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, Intelligent oil-saving control module is according to comparative result and combines each coil (line in the real-time tachometer value V situations control clutch of engine Coil element 3, coil 1, coil 2 12, coil 3 39, coil (n-2)) power on/off, and then control clutch work shelves Position, the speed of operation range i.e. one, two speed, three speed ... the rotating speeds such as n speed, wherein m are integer variable, and 1≤m < n:
(1) during engine start, Intelligent oil-saving control module control coil element 3 is powered, at this time, the operating of clutch zero-speed;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature KmOr compressor of air conditioner rotating speed V is increased to v(m+1)During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2 ~V3)、(Vn-1~Vn) different range come intelligent control coil part 3, coil 1, coil 2 12, coil 3 39, coil (n-2) power on/off, and then the operation range of electromagnetic fan clutch is controlled, make clutch in a speed, two speed, three speed ... n Switch between speed;
(3) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal kmOr compressor of air conditioner turns Fast v is reduced to vmDuring value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3)、(Vn-1~Vn) different range come intelligent control coil part 3, coil 1, coil 2 12, coil 3 39, coil (n- 2) power on/off, and then the operation range of electromagnetic fan clutch is controlled, make clutch in a speed, two speed, three speed ... between n speed Switching;
(4) when the duration T that engine water temperature remains unchanged is equal to preset time T ' (T ' can be 10~30min):
The rotating speed of electromagnetic fan clutch >=bis- are fast, then Intelligent oil-saving control module control electromagnetic fan clutch rotating speed drop Low level-one;
The rotating speed of electromagnetic fan clutch is a speed, then Intelligent oil-saving control module control electromagnetic fan clutch rotating speed is protected Hold constant.
As it can be seen that the control principle of above-mentioned n speed clutch is:
Intelligent oil-saving control module receives temperature sensor, pressure sensor, the signal of speed probe transmission, judges each Whether the temperature value or compressor of air conditioner rotating speed of control parameter reach preset value, if reaching preset value, judge engine speed Scope, and be sent to the signal of electromagnetic fan clutch coil break-make, control electromagnetic fan clutch rotating speed.Specifically, if The speed level that the actuation temperature or compressor of air conditioner that the temperature t that temperature sensor detects reaches monitor in real time is low, and starts The range of speeds rank that machine rotating speed reaches is low, then electromagnetic clutch full-speed operation;If the range of speeds rank that engine reaches is high, The then low operation range operating of electromagnetic clutch.If actuation temperature level or air-conditioning that the temperature t that temperature sensor detects reaches The rotating speed that compressor monitors in real time is located at intermediate level, and the range of speeds rank that engine speed reaches is low, then electromagnetic clutch Device full-speed operation;If the range of speeds rank that engine reaches is high, the medium operation range operating of electromagnetic clutch.If temperature passes The speed level that the actuation temperature or compressor of air conditioner that the temperature t that sensor detects reaches monitor in real time is high, and engine speed The range of speeds rank reached is low, then electromagnetic clutch full-speed operation;If the range of speeds rank that engine reaches is high, electromagnetism High workload gear operates in clutch.
Above-mentioned control device and control method are monitored parameters by sensor and believe the parameter monitored Breath passes to Intelligent oil-saving control module, if compressor of air conditioner pressure is more than setting value, electromagnetic fan clutch full-speed operation. Otherwise, when any temperature control parameter or compressor of air conditioner rotating speed meet setting value, then controlled according to the real-time rotating speed of engine Electromagnetic fan clutch operation range.If the engine water temperature retention time, T was constant, electromagnetic fan clutch rotating speed reduces automatically Level-one.The control device and control method intelligently adjust the operation range of electromagnetic fan clutch according to different operating modes, further Energy-saving effect is improved, cooling fan rotation speed change is steady reliable, reduces to engine and electromagnetic fan clutch impact, drop Low cooling fan operating noise, extends cooling fan and electromagnetic fan clutch service life, and engine is in optimal Working status.
As n=4, as shown in Figure 1, iron core member 300 there are 2 coils, it is four speed clutch, there are 4 grades of rotating speeds.Four-speed from The control device and control principle of clutch are identical with n speed clutch, and the simply setting of associated control parameters is started according to difference Machine and engine producer require to do adaptation change.
For example, four speed clutch are related to following parameter:
Monitor value:
The temperature value t that each temperature sensor real-time monitors, unit DEG C;
The real-time rotating speed v of compressor of air conditioner, and the real-time rotating speed V, unit r/min of engine;
Compressor of air conditioner pressure p, unit Mpa;
Engine water temperature remains unchanged duration T, unit min.
Setting value:
Each corresponding level-one of temperature control parameter is attracted temperature value K1, two level actuation temperature value K2, three-level actuation temperature Value K3, level-one power-off temperature value k1, two level power-off temperature value k2, three-level power-off temperature value k3, unit DEG C, wherein, k1<K1<k2<K2< k3<K3
4 grades of tachometer value v of compressor of air conditioner1, v2, v3, v4, and 4 grades of tachometer value V of engine1, V2, V3, V4, unit r/ Min, wherein, v1<v2<v3<v4, V1<V2<V3<V4
M is integer variable, and 1≤m < 4;
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min.
From four-speed clutch rotational speed resolution principle and above-mentioned control method, four-speed clutch includes following 10 work State, in following state, time h is 1~2s, specifically, may be set to 2s:
1) during engine start, belt pulley 8 drives heat dissipation plate 18 together to rotate, and is not required since engine self-temperature is low Cooling fan cools down, and the energization of coil part 3 produces electromagnetic attraction and is attracted with being attracted disk 2, and iron-core element 4 is fixed on dead axle 13, Fast zero rotation speed operation of cooling fan one.
2) when compressor of air conditioner rotating speed v is increased to its corresponding second rotating speed v2Or the value of any temperature control parameter rises Temperature value K is attracted for its corresponding level-one1When:
1. engine speed is in 0~V1In the range of, then Intelligent oil-saving control module is required to clutch according to above-mentioned full speed Operation range be controlled, Intelligent oil-saving control module control coil element 3, coil 2 12 power off, coil 1 be delayed h after It is powered, coil 1 produces electromagnetic attraction and is attracted the first actuation disk 7, it is rotated with belt pulley 8, since the first actuation disk 7 is logical The first shrapnel 6 is crossed to be connected with fan terminal pad 5, and connection cooling fan again in fan terminal pad 5, therefore, cooling fan is driven Dynamic to rotate at full speed, i.e., four speed clutch do full-speed operation;
2. engine speed is in V1~V2In the range of, then Intelligent oil-saving control module is required to clutch according to above-mentioned three speed It is controlled, coil part 3 powers off, and is powered after the delay of coil 2 12 h, and coil 2 12 produces electromagnetic attraction and is attracted the second actuation disk 16, it is rotated with belt pulley 8, while drive first magnet fixed disc 23 connected with the second actuation disk 16 to rotate, exist at this time The magnetic conduction soft board B24 that first magnet fixed disc, 23 inner cavity end face is equipped with is connected with some with corresponding 5 end face of fan terminal pad Block permanent magnet B25 produces current vortex magnetic field, drives cooling fan to do three fast high speed double-flexibility operatings, i.e., four speed clutch do three Speed operating.In fact, two speed and three speed can all meet this working condition requirement, so this operating mode may be configured as two speed and may be alternatively provided as three Speed, when being arranged to two speed, coil 1, coil part 3, coil 2 12 power off, if operating mode is more severe, each temperature Control parameter temperature rise is slightly fast, can reach following operating modes 3) quickly;If operating mode is better, two speed operatings can be maintained, are more saved Energy.So being arranged to two speed when operating mode is good, three speed are arranged to when operating mode is severe, the situation of following two speed is this Reason, it is preferred that emphasis is the operating mode being applicable according to vehicle flexibly selects.
Similarly, if 3. engine speed is in V2~V3In the range of, then Intelligent oil-saving control module is required to clutch according to two speed The coil power on/off of device is controlled, and coil 1, coil part 3, coil 2 12 power off, and belt pulley 8 drives and is connected with magnetic conduction The heat dissipation plate 18 of soft board A19 rotates, with heat dissipation plate 18 into 6 pieces of permanent magnets being equipped with the corresponding permanent magnetism fixed block 21 in gap Current vortex magnetic field is produced between A20 and magnetic conduction soft board A19, the cooling fan that driving fan terminal pad 5 is connected with makees flexible turn of middling speed Dynamic, cooling fan does two fast middling speed operatings, i.e. four speed clutch do two speed operatings.Such a situation may be by working status 1) directly Change be in working condition 2) 3., also can be from working status 2) be 2. changed into 3., so the "on" position of each coil needs basis Different situations adjust, it is by the above-mentioned any change for causing four speed clutch to be converted to two fast several situations.
Similarly, if 4. engine speed is in V3~V4In the range of, then Intelligent oil-saving control module is according to above-mentioned two speed requirements pair Clutch is controlled, and the fast middling speed operating of cooling fan two, i.e. four speed clutch do two speed operatings.
Below 3)~7 working status 2) similarly therefore only lists clutch rotational speed situation with above-mentioned), specific coil power on/off Controlled according to different operating mode speed demands.
3) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v3Or the value rise of any temperature control parameter K when being attracted temperature value to its corresponding two level2
1. if engine speed is in 0~V1In the range of, full-speed operation is done in cooling fan full-speed operation, i.e. four speed clutch;
2. if engine speed is in V1~V2In the range of, the speed operating of cooling fan three, i.e. four speed clutch are done at full speed or three is fast Operating;
3. if engine speed is in V2~V3In the range of, the speed operating of cooling fan three, i.e. four speed clutch do three speed operatings;
4. if engine speed is in V3~V4In the range of, the speed of cooling fan three or two fast middling speed operatings, i.e., four speed clutch are done Three speed or two speed operatings.
4) when compressor of air conditioner rotating speed v is increased to its corresponding 4th rotating speed v4Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding three-level3When:
1. if engine speed is in 0~V1In the range of, cooling fan full-speed operation;
2. if engine speed is in V1~V2In the range of, cooling fan full-speed operation;
3. if engine speed is in V3~V4, the speed of cooling fan three or full-speed operation;
4. if engine speed is in V3~V4In the range of, the speed of cooling fan three or full-speed operation.
5) when compressor of air conditioner rotating speed v is reduced to its corresponding 3rd rotating speed v3Or the value of any temperature control parameter drops to Its corresponding three-level power-off temperature value k3When:
1. if engine speed is in 0~V1In the range of, cooling fan full-speed operation;
2. if engine speed is in V1~V2In the range of, the speed of cooling fan three or full-speed operation;
3. if engine speed is in V2~V3In the range of, the speed operating of cooling fan three;
4. if engine speed is in V3~V4In the range of, the speed of cooling fan two or three speed operatings.
6) when compressor of air conditioner rotating speed v is reduced to its corresponding second rotating speed v2Or the value of any temperature control parameter drops to Its corresponding two level power-off temperature value k2When:
1. if engine speed is in 0~V1In the range of, cooling fan full-speed operation;
2. if engine speed is in V1~V2In the range of, the speed of cooling fan two or three speed operatings;
3. if engine speed is in V2~V3In the range of, the speed operating of cooling fan two;
4. if engine speed is in V3~V4In the range of, the fast middling speed operating of cooling fan two.
7) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or the value of any temperature control parameter drops to Its corresponding level-one power-off temperature value k1When, fast zero rotation speed operation of cooling fan one;
8) 1)~7) in working status, when engine water temperature retention time T is unchanged:
1. when clutch rotational speed >=bis- speed, Intelligent oil-saving control module control engine speed reduces level-one;
2. when clutch rotational speed is fast for one, engine speed remains unchanged.
9) 1)~8) in working status, when compressor of air conditioner pressure is more than setup pressure value P, Intelligent oil-saving control module Four speed clutch full-speed operations of control are required according to above-mentioned full speed.
If 10) coil all powers off, clutch can operate under two fast middling speeds.
During above-mentioned four speed clutch cold start-up, cooling fan cooling, element coil are not required since engine self-temperature is low Part 3 is powered, and produces electromagnetic attraction and is combined with being attracted disk 2, and then iron-core element 4 is attracted with being attracted disk 2, due to iron-core element 4 It is fixed on dead axle 13, therefore, is attracted disk 2 and is also fixed, and then, the fan terminal pad 5, Yi Jifeng connected with being attracted disk 2 Cooling fan in fan terminal pad 5 is fixed together, and at this time, cooling fan does fast zero rotation speed operation, realizes real zero Speed.Required according to above-mentioned 4 rotating speeds, when engine water temperature reaches setting value, Intelligent oil-saving control module control coil element 3 Power-off, electromagnetic attraction disappear, and are attracted disk 2 and iron-core element 4 disconnects, fan terminal pad 5 loses restriction, and stress can rotate, skin Belt wheel 8 drives the heat dissipation plate 18 for being connected with magnetic conduction soft board A19 to rotate, the magnetic conduction soft board A19 and permanent magnet A20 in fan terminal pad 5 Current vortex magnetic field is produced, drives the cooling fan that fan terminal pad 5 is connected with to rotate and does soft drive, at this time, cooling fan does two Fast middling speed operating.Similarly, when it is setting value that water temperature, which continues rise, the delay of coil 2 12 2s is powered, and is attracted second and is attracted disk 16, First magnet fixed disc 23 connected with the second actuation disk 16 is rotated under the drive of belt pulley 8, at this time, fixed in the first magnet The magnetic conduction soft board B24 that 23 inner cavity end face of disk is equipped with produces current vortex magnetic field with some pieces of permanent magnet B25 in fan terminal pad 5, Driving cooling fan is switched to three fast high speed double-flexibility driving operatings by two fast middling speed soft drive operatings.Similarly, water temperature is worked as When continuing to rise to setting value, coil 1 be powered, produce electromagnetic attraction be attracted first be attracted disk 7, due to first be attracted disk 7 with Fan terminal pad 5 is connected, so, the cooling fan that fan terminal pad 5 is connected with rotates at full speed under the drive of belt pulley 8.
As shown in fig. 6, the rotating speed in two fast middling speeds of the cooling fan in above-mentioned four speed clutch has reached the 40% of full speed ~65%, meet middling speed cooling and require, rotating speed has reached full speed 70%~90% in three speed, meets the need of Fast Cooling Ask.Existing two kind of three speed clutch can not realize zero-turn speed, and a fast maximum of double-flexibility electromagnetic fan clutch only reaches At full speed 25%~40%, two speed have only reached the 50%~70% of full speed, so, a speed of this kind of clutch is equivalent to this hair Two speed of four bright speed clutch, two speed of this kind of clutch then just correspond to three speed of four speed clutch of the invention.
The control parameters of three speed clutch of embodiment two, parameter setting requirement, method to set up it is equal it is fast with n, four-speed is identical, And control device, method are also identical with n speed, four speed clutch, therefore do not repeat herein.
Three speed clutch operation principles are identical with four speed clutch, it follows that three speed clutch include following 8 work State:
1) during engine start, fast zero rotation speed operation of clutch one;
2) when compressor of air conditioner rotating speed v is increased to its corresponding second rotating speed v2Or the value of any temperature control parameter rises Temperature value K is attracted for its corresponding level-one1When:
1. if engine speed is in 0~V1In the range of, three speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, the speed of three speed clutch two or full-speed operation;
3. if engine speed is in V2~V3In the range of, the speed operating of three speed clutch two;
3) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v3Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding two level2When:
1. if engine speed is in 0~V1In the range of, three speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, three speed clutch full-speed operations;
3. if engine speed is in V2~V3In the range of, the speed of three speed clutch two or full-speed operation;
4) when compressor of air conditioner rotating speed v is reduced to its corresponding second rotating speed v2Or the value of any temperature control parameter drops to Its corresponding two level power-off temperature value k2When:
1. if engine speed is in 0~V1In the range of, three speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, the speed of three speed clutch two or full-speed operation;
3. if engine speed is in V2~V3In the range of, the speed operating of three speed clutch two;
5) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or the value of any temperature control parameter drops to Its corresponding level-one power-off temperature value k1When, fast zero rotation speed operation of three speed clutch one;
6) in 1)~5), when the engine water temperature retention time, T was constant:
1. clutch rotational speed >=bis- are fast, engine speed reduces level-one;
2. clutch rotational speed is a speed, engine speed remains unchanged.
7) 1)~6) in, if compressor of air conditioner pressure value>During the pressure value P of setting, three speed clutch full-speed operations.
If 8) coil all powers off, the safe handling under two fast soft drives of three speed clutch.
Control parameter, the parameter setting of five speed clutch of embodiment three require, method to set up is equal and n is fast, four-speed, three speed It is identical, and control device, method are also identical with n speed, four-speed, three speed clutch, therefore do not repeat herein.
Five speed clutch operation principles are identical with four-speed, three speed clutch, it follows that five speed clutch include following 12 A working status:
1) during engine start, fast zero rotation speed operation of clutch one;
2) when compressor of air conditioner rotating speed v is increased to its corresponding second rotating speed v2Or the value of any temperature control parameter rises Temperature value K is attracted for its corresponding level-one1When:
1. if engine speed is in 0~V1In the range of, five speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, the operating of five speed clutch four-speeds;
3. if engine speed is in V2~V3In the range of, the speed operating of five speed clutch three;
4. if engine speed is in V3~V4In the range of, the speed operating of five speed clutch two;
5. if engine speed is in V4~V5In the range of, the speed operating of five speed clutch two;
3) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v3Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding two level2When:
1. if engine speed is in 0~V1In the range of, five speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, the operating of five speed clutch four-speeds;
3. if engine speed is in V2~V3In the range of, the operating of five speed clutch four-speeds;
4. if engine speed is in V3~V4In the range of, the speed operating of five speed clutch three;
5. if engine speed is in V4~V5In the range of, the speed operating of five speed clutch two;
4) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v4Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding two level3When:
1. if engine speed is in 0~V1In the range of, five speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, five speed clutch full-speed operations;
3. if engine speed is in V2~V3In the range of, five speed clutch are at full speed or four-speed operates;
4. if engine speed is in V3~V4In the range of, the operating of five speed clutch four-speeds;
5. if engine speed is in V4~V5In the range of, the speed of five speed clutch three or four-speed operating;
5) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v5Or the value rise of any temperature control parameter Temperature value K is attracted to its corresponding two level4When:
1. if engine speed is in 0~V1In the range of, five speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, five speed clutch full-speed operations;
3. if engine speed is in V2~V3In the range of, five speed clutch full-speed operations;
4. if engine speed is in V3~V4In the range of, five speed clutch four-speeds or full-speed operation;
5. if engine speed is in V4~V5In the range of, five speed clutch four-speeds or full-speed operation;
6) when compressor of air conditioner rotating speed v is reduced to its corresponding second rotating speed v4Or the value of any temperature control parameter drops to Its corresponding two level power-off temperature value k4When:
1. if engine speed is in 0~V1In the range of, five speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, five speed clutch full-speed operations;
3. if engine speed is in V2~V3In the range of, five speed clutch are at full speed or four-speed operates;
4. if engine speed is in V3~V4In the range of, the operating of five speed clutch four-speeds;
5. if engine speed is in V4~V5In the range of, the speed of five speed clutch three or four-speed operating;
7) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v3Or the value of any temperature control parameter drops to Its corresponding level-one power-off temperature value k3When,
1. if engine speed is in 0~V1In the range of, five speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, the operating of five speed clutch four-speeds;
3. if engine speed is in V2~V3In the range of, the operating of five speed clutch four-speeds;
4. if engine speed is in V3~V4In the range of, the speed operating of five speed clutch three;
5. if engine speed is in V4~V5In the range of, the speed operating of five speed clutch two;
8) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v2Or the value of any temperature control parameter drops to Its corresponding level-one power-off temperature value k2When,
1. if engine speed is in 0~V1In the range of, five speed clutch full-speed operations;
2. if engine speed is in V1~V2In the range of, the operating of five speed clutch four-speeds;
3. if engine speed is in V2~V3In the range of, the speed operating of five speed clutch three;
4. if engine speed is in V3~V4In the range of, the speed operating of five speed clutch two;
5. if engine speed is in V4~V5In the range of, the speed operating of five speed clutch two;
9) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or the value of any temperature control parameter drops to Its corresponding level-one power-off temperature value k1When, fast zero rotation speed operation of five speed clutch one;
10) in 1)~9), when the engine water temperature retention time, T was constant:
1. clutch rotational speed >=bis- are fast, engine speed reduces level-one;
2. clutch rotational speed is a speed, engine speed remains unchanged.
11) 1)~10) in, if compressor of air conditioner pressure value>During the pressure value P of setting, five speed clutch full-speed operations.
If 12) coil all powers off, the safe handling under two fast soft drives of five speed clutch.
The clutch controller and control method of the present invention can normally drop engine under high speed state Temperature, hence it is evident that reduce switching frequency of the cooling fan between high speed and full speed, while reduce operating noise, reduce pair The impact endurance test shock of engine connector and electromagnetic fan clutch is worn.Moreover, in above-mentioned each coil whole power-off or vehicle It cannot stop in time, or under other complex situations that temporarily Parking permitted, in the case of power free, clutch of the invention Device can work under above-mentioned control device and control method effect under two fast middling speed soft drives.
In conclusion the control device of the present invention, control method are used with regard to high principle, actively downshift energy saving selection, intelligence Operating mode principle controls the rotating speed of clutch.It is described with regard to high principle i.e. when any control parameter is met the requirements, according to engine turn The power on/off of fast different control clutch coils.The energy saving principle even engine water temperature that actively downshifts continues T time and does not change Become, then intelligent control downshifts the rotating speed of clutch, to reduce power consumption.The intelligence operating mode principle, that is, clutch can be intelligent Control the working speed being optimal and most energy saving working status.Based on above-mentioned control device, control method, it is of the invention from Clutch operates when realizing static cold start-up for a fast zero-speed operating, intermediate speed for soft drive high speed, and maximum speed is Drive at full speed, reduce power loss during cold start-up, reduce middle and high fast speed-changing slippage and switching times, at the same time also Realize non-transformer safe operation.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention The various modifications and improvement that case is made, should all fall into the protection domain that claims of the present invention determines.

Claims (5)

1. safety type multi-speed electromagnetic fan clutch control method, including safety type multi-speed electromagnetic fan clutch control device, The safety type multi-speed electromagnetic fan clutch control device includes:
Temperature sensor, speed probe, pressure sensor, electronic control module, Intelligent oil-saving control module and safety type multi-speed electricity Magnetic fan clutch,
The temperature sensor is used to monitor engine water temperature, charge air cooler temperature, transmission oil temperature, hydraulic fluid temperature isothermal in real time Control parameter is spent, and above-mentioned each temperature information t is sent to Intelligent oil-saving control module;
The pressure sensor is used for monitoring pressure in real time control parameter, i.e. compressor of air conditioner pressure p, and the pressure information is sent out It is sent to Intelligent oil-saving control module;
The speed probe is used to monitor rotating speed control parameter in real time, i.e. compressor of air conditioner rotating speed v, engine speed V, and will The rotary speed information is sent to Intelligent oil-saving control module;
The electronic control module remains unchanged duration T for recording engine water temperature, and the temporal information is sent to intelligence Can fuel-saving control module;
Described Intelligent oil-saving control module one end is connected with temperature sensor, speed probe, pressure sensor, electronic control module, The other end is connected with safety type multi-speed electromagnetic fan clutch, for receiving temperature sensor, speed probe, pressure sensor With electronic control module send signal and judged, and according to judging result send break-make electric signal to the safety type multi-speed electricity Magnetic fan clutch is to control the operation range of safety type multi-speed electromagnetic fan clutch;
It is characterized in that, the control method comprises the following steps:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. presetting following setting value in Intelligent oil-saving control module, n is the work shelves of safety type multi-speed electromagnetic fan clutch Position series, it is the integer more than 1:
Each corresponding (n-1) level of temperature control parameter is attracted temperature K1, K2, K3……K(n-1)(n-1) level break-off signal k1, k2, k3……k(n-1), unit DEG C, wherein, k1<K1<k2<K2<k3<K3……<k(n-1)<K(n-1)
The n level tachometer values v of compressor of air conditioner1, v2, v3……vn, unit r/min, wherein, v1<v2<v3……<vn
The n level tachometer values V of engine1, V2, V3……Vn, unit r/min, wherein V1<V2<V3……<Vn
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P compared with, During p > P, the control safety type multi-speed electromagnetic fan clutch full-speed operation of Intelligent oil-saving control module;
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, intelligence Fuel-saving control module is according to comparative result and combines the real-time tachometer value V situations control safety type multi-speed electromagnetic fan clutch of engine The operation range of device, following m are integer variable, and 1≤m < n:
(1) during engine start, the operating of safety type multi-speed electromagnetic fan clutch zero-speed;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature KmOr compressor of air conditioner rotating speed v rises To v(m+1)During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3)、……(Vn-1~Vn) different range carry out the power on/off of intelligent control safety type multi-speed electromagnetic fan clutch, and then control The operation range of safety type multi-speed electromagnetic fan clutch, makes safety type multi-speed electromagnetic fan clutch in a speed, two speed, three Speed ... switches between n speed;
(3) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal kmOr compressor of air conditioner rotating speed v drops It is low to arrive vmDuring value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~ V3)、……(Vn-1~Vn) different range carry out the power on/off of intelligent control safety type multi-speed electromagnetic fan clutch, and then control The operation range of safety type multi-speed electromagnetic fan clutch, makes safety type multi-speed electromagnetic fan clutch in a speed, two speed, three Speed ... switches between n speed;
(4) when the duration T that engine water temperature remains unchanged is equal to preset time T ':
The rotating speed of safety type multi-speed electromagnetic fan clutch >=bis- are fast, then Intelligent oil-saving control module control safety type multi-speed electromagnetism Fan clutch rotating speed reduces level-one;
The rotating speed of safety type multi-speed electromagnetic fan clutch is a speed, then Intelligent oil-saving control module control safety type multi-speed electromagnetism Fan clutch rotating speed remains unchanged.
2. control method according to claim 1, it is characterised in that:The n is equal to 3, the safety type multi-speed electromagnetism wind Fan clutch is the safety type three-speed electromagnetic fan clutch (400) for having 3 grades of rotating speeds, the safety type three-speed electromagnetic fan clutch The control method of device (400) includes the following steps:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. following setting value is preset in Intelligent oil-saving control module:
Each corresponding level-one of temperature control parameter is attracted temperature value K1, two level actuation temperature value K2, level-one power-off temperature value k1, two level power-off temperature value k2, unit DEG C, wherein, k1<K1<k2<K2
3 grades of tachometer value v of compressor of air conditioner1, v2, v3, unit r/min, wherein, v1<v2<v3
3 grades of tachometer value V of engine1, V2, V3, unit r/min, wherein, V1<V2<V3
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P compared with, During p > P, Intelligent oil-saving control module control coil element (3) is powered with coil one (10);
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, intelligence Fuel-saving control module is according to comparative result and combines the real-time tachometer value V situations control coil element (3) of engine, coil one (10), power on/off, wherein m are integer variable, and 1≤m < 3:
(1) during engine start, Intelligent oil-saving control module control coil element (3) is powered;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature K1Or compressor of air conditioner rotating speed v rises To v2During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~V3) no Co-extensive comes intelligent control coil part (3), the power on/off of coil one (10):
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3) power-off, coil one (10) prolongs When h after be powered;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3) power-off, coil one (10) It is powered after delay h, or coil part (3), coil one (10) power off;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity;
(3) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature K2Or compressor of air conditioner rotating speed v rises To v3During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~V3) no Co-extensive comes intelligent control coil part (3), the power on/off of coil one (10):
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3) power-off, coil one (10) prolongs When h after be powered;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3) power-off, coil one (10) It is powered after delay h;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity;Or it is powered after coil part (3) power-off, coil one (10) delay h;
(4) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal k2Or compressor of air conditioner rotating speed v drops It is low to arrive v2During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~V3) Different range comes intelligent control coil part (3), the power on/off of coil one (10):
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3) power-off, coil one (10) prolongs When h after be powered;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3) power-off, coil one (10) It is powered after delay h, or coil part (3), coil one (10) power off;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity;
(5) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or to drop to its right for the value of any temperature control parameter The level-one power-off temperature value k answered1When, the power-off of Intelligent oil-saving control module control coil one (10), coil part (3) delay h After be powered;
(6) when the duration T that engine water temperature remains unchanged is equal to preset time T ':
When rotating speed >=bis- speed of safety type three-speed electromagnetic fan clutch (400), Intelligent oil-saving control module control rotating speed drop Low level-one;
When the rotating speed of safety type three-speed electromagnetic fan clutch (400) is fast for one, Intelligent oil-saving control module control rotating speed is protected Hold constant.
3. control method according to claim 1, it is characterised in that:The n is equal to 4, the safety type multi-speed electromagnetism wind Fan clutch is the safety type four-speed electromagnetic fan clutch (500) for having 4 grades of rotating speeds, the safety type four-speed electromagnetic fan clutch The control method of device (500) includes the following steps:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. following setting value is preset in Intelligent oil-saving control module:
Each corresponding level-one of temperature control parameter is attracted temperature value K1, two level actuation temperature value K2, three-level actuation temperature value K3, level-one power-off temperature value k1, two level power-off temperature value k2, three-level power-off temperature value k3, unit DEG C, wherein, k1<K1<k2<K2<k3< K3
4 grades of tachometer value v of compressor of air conditioner1, v2, v3, v4, unit r/min, wherein, v1<v2<v3<v4
4 grades of tachometer value V of engine1, V2, V3, V4, unit r/min, wherein, V1<V2<V3<V4
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P compared with, During p > P, Intelligent oil-saving control module control coil element (3) is powered with coil two (12) power-off, coil one (10);
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, intelligence Fuel-saving control module is according to comparative result and combines the real-time tachometer value V situations control coil element (3) of engine, coil one (10), the power on/off of coil two (12), wherein m are integer variable, and 1≤m < 4:
(1) during engine start, Intelligent oil-saving control module control coil element (3) is powered;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature KmOr compressor of air conditioner rotating speed v rises To v(m+1)During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~V3)、 (V3~V4) different range come intelligent control coil part (3), coil one (10), the power on/off of coil two (12):
(i) it is attracted temperature value K when the value of any temperature control parameter rises to its corresponding level-one1Or compressor of air conditioner rotating speed v liters Height arrives its corresponding second rotating speed v2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3), coil two (12) power-off, line It is powered after one (10) of circle delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3) power-off, coil two (12) It is powered after delay h, or coil part (3), coil one (10), coil two (12) power off;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), line Two (12) of circle power off;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12) power off;
(ii) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v3Or the value of any temperature control parameter is increased to it Corresponding two level is attracted temperature value K2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil two (12), coil part (3) power-off, line It is powered after one (10) of circle delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) power-off, It is powered after coil two (12) delay h;Or coil two (12), coil part (3) power off, it is powered after coil one (10) delay h;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3) power-off, coil two (12) It is powered after delay h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) power-off, It is powered after coil two (12) delay h, or coil part (3), coil one (10), coil two (12) power off;
(iii) when compressor of air conditioner rotating speed v is increased to its corresponding 4th rotating speed v4Or the value of any temperature control parameter is increased to it Corresponding three-level is attracted temperature value K3When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil two (12), coil part (3) power-off, line It is powered after one (10) of circle delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil two (12), coil part (3) power-off, It is powered after coil one (10) delay h;
Iii engine speed is in V3~V4, Intelligent oil-saving control module control coil element (3), coil one (10) power-off, coil It is powered after two (12) delay h, or coil two (12), coil part (3) power off, and are powered after coil one (10) delay h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) power-off, It is powered after coil two (12) delay h;Or coil two (12), coil part (3) power off, it is powered after coil one (10) delay h;
(3) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal kmOr compressor of air conditioner rotating speed v drops It is low to arrive vmDuring value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~V3)、 (V3~V4) different range come intelligent control coil part (3), coil one (10), the power on/off of coil two (12):
(i) when compressor of air conditioner rotating speed v is reduced to its corresponding 3rd rotating speed v3Or to drop to its right for the value of any temperature control parameter The three-level power-off temperature value k answered3When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil two (12), coil part (3) power-off, line It is powered after one (10) of circle delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) power-off, It is powered after coil two (12) delay h;Or coil two (12), coil part (3) power off, it is powered after coil one (10) delay h;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected It is powered after electricity, coil two (12) delay h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) power-off, It is powered after coil two (12) delay h, or coil part (3), coil one (10), coil two (12) power off;
(ii) when compressor of air conditioner rotating speed v is reduced to its corresponding second rotating speed v2Or to drop to its right for the value of any temperature control parameter The two level power-off temperature value k answered2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil two (12), coil part (3) power-off, line It is powered after one (10) of circle delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) power-off, It is powered after coil two (12) delay h, or coil part (3), coil one (10), coil two (12) power off;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), line Two (12) of circle power off;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12) power off;
(4) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or to drop to its right for the value of any temperature control parameter The level-one power-off temperature value k answered1When, Intelligent oil-saving control module control coil one (10), coil two (12) power off, element coil It is powered after part (3) delay h;
(5) when the duration T that engine water temperature remains unchanged is equal to preset time T ':
When rotating speed >=bis- speed of safety type four-speed electromagnetic fan clutch, Intelligent oil-saving control module control rotating speed reduces by one Level;
When the rotating speed of safety type four-speed electromagnetic fan clutch is fast for one, Intelligent oil-saving control module control rotating speed is kept not Become.
4. control method according to claim 1, it is characterised in that:The n is equal to 5, the safety type multi-speed electromagnetism wind Fan clutch is the speed electromagnetic fan clutch of safety type five (600) for having 5 grades of rotating speeds, the fast electromagnetic fan clutch of safety type five The control method of device (600) includes the following steps:
1. monitor following control parameter and send it to Intelligent oil-saving control module:
The temperature t that each temperature sensor of temperature sensor monitors real-time monitors, unit DEG C;
Speed probe monitors real-time rotating speed v, the unit r/min of compressor of air conditioner, and the real-time rotating speed V of engine, unit r/min;
Pressure sensor monitoring compressor of air conditioner pressure p, unit Mpa;
Electronic control module monitoring engine water temperature remains unchanged duration T, unit min;
2. following setting value is preset in Intelligent oil-saving control module:
Each corresponding level-one of temperature control parameter is attracted temperature value K1, two level actuation temperature value K2, three-level actuation temperature value K3, level Four actuation temperature value K4, level-one power-off temperature value k1, two level power-off temperature value k2, three-level power-off temperature value k3, level Four power-off Temperature value k4, unit DEG C, wherein, k1<K1<k2<K2<k3<K3<k4<K4
5 grades of tachometer value v of compressor of air conditioner1, v2, v3, v4, v5, unit r/min, wherein, v1<v2<v3<v4<v5
5 grades of tachometer value V of engine1, V2, V3, V4, V5, unit r/min, wherein, V1<V2<V3<V4<V5
Compressor of air conditioner pressure value P, unit Mpa;
Engine water temperature remains unchanged duration T ', unit min;
3. by step 1. in compressor of air conditioner pressure p and step 2. in setting value compressor of air conditioner pressure value P compared with, During p > P, Intelligent oil-saving control module control coil element (3), coil two (12), coil three (39) power-off, coil one (10) lead to Electricity;
4. step 3. in, during p < P, by step 1. in other monitor values and step 2. in setting value compared with, intelligence Fuel-saving control module is according to comparative result and combines the real-time tachometer value V situations control coil element (3) of engine, coil one (10), coil two (12), the power on/off of coil three (39), wherein m are integer variable, and 1≤m < 5:
(1) during engine start, Intelligent oil-saving control module control coil element (3) is powered;
(2) the temperature value t of any temperature sensor transmission is increased to its corresponding actuation temperature KmOr compressor of air conditioner rotating speed v rises To v(m+1)During value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~V3)、 (V3~V4)、(V4~V5) different range come intelligent control coil part (3), coil one (10), coil two (12), coil three (39) power on/off:
(i) it is attracted temperature value K when the value of any temperature control parameter rises to its corresponding level-one1Or compressor of air conditioner rotating speed v liters Height arrives its corresponding second rotating speed v2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), coil three (39) power off, be powered after coil one (10) delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), line Two (12) of circle power off, and are powered after coil three (39) delay h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12), coil three (39) power off;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12), coil three (39) power off;
(ii) when compressor of air conditioner rotating speed v is increased to its corresponding 3rd rotating speed v3Or the value of any temperature control parameter is increased to it Corresponding two level is attracted temperature value K2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), coil Three (39) power off, and are powered after coil one (10) delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12) power off, and are powered after coil three (39) delay h;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12), coil three (39) power off;
(iii) when compressor of air conditioner rotating speed v is increased to its corresponding 4th rotating speed v4Or the value of any temperature control parameter is increased to it Corresponding three-level is attracted temperature value K3When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), coil Three (39) power off, and are powered after coil one (10) delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), line Three (39) of circle power off, and are powered after coil one (10) delay h;
Iii engine speed is in V3~V4, Intelligent oil-saving control module control coil element (3), coil two (12), coil three (39) power off, be powered after coil one (10) delay h;Or coil part (3), coil one (10) power off, coil two (12), line Three (39) of circle, which are delayed after h, to be powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered, or coil part (3), coil one (10), coil two (12) are disconnected Electricity, coil three (39) delay h after be powered;
(iv) when compressor of air conditioner rotating speed v is increased to its corresponding 5th rotating speed v5Or the value of any temperature control parameter is increased to it Corresponding level Four is attracted temperature value K4When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), coil Three (39) power off, and are powered after coil one (10) delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), line Three (39) of circle power off, and are powered after coil one (10) delay h;
Iii engine speed is in V3~V4, Intelligent oil-saving control module control coil element (3), coil two (12), coil three (39) power off, be powered after coil one (10) delay h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), line Three (39) of circle power off, and are powered after coil one (10) delay h;Or coil part (3), coil one (10) power off, coil two (12), coil three (39) is delayed after h and is powered;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), coil Three (39) power off, and are powered after coil one (10) delay h;Or coil part (3), coil one (10) power off, coil two (12), coil three (39) is delayed after h and is powered;
(3) the temperature value t of any temperature sensor transmission cools to its corresponding break-off signal kmOr compressor of air conditioner rotating speed v drops It is low to arrive vmDuring value, Intelligent oil-saving control module is in (0~V according to the real-time tachometer value V of engine1)、(V1~V2)、(V2~V3)、 (V3~V4)、(V4~V5) different range come intelligent control coil part (3), coil one (10), coil two (12), coil three (39) power on/off:
(i) when compressor of air conditioner rotating speed v is reduced to its corresponding 4th rotating speed v4Or to drop to its right for the value of any temperature control parameter The level Four power-off temperature value k answered4When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), coil Three (39) power off, and are powered after coil one (10) delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), line Three (39) of circle power off, and are powered after coil one (10) delay h;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), line Three (39) of circle power off, and are powered after coil one (10) delay h;Or coil part (3), coil one (10) power off, coil two (12), coil three (39) is delayed after h and is powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered, or coil part (3), coil one (10), coil two (12) are disconnected Electricity, coil three (39) delay h after be powered;
(ii) when compressor of air conditioner rotating speed v is reduced to its corresponding 3rd rotating speed v3Or to drop to its right for the value of any temperature control parameter The three-level power-off temperature value k answered3When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), coil Three (39) power off, and are powered after coil one (10) delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12) power off, and are powered after coil three (39) delay h;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12), coil three (39) power off;
(iii) when compressor of air conditioner rotating speed v is reduced to its corresponding second rotating speed v2Or to drop to its right for the value of any temperature control parameter The two level power-off temperature value k answered2When:
I engine speed is in 0~V1In the range of, Intelligent oil-saving control module control coil element (3), coil two (12), coil Three (39) power off, and are powered after coil one (10) delay h;
Ii engine speed is in V1~V2In the range of, Intelligent oil-saving control module control coil element (3), coil one (10) are disconnected Electricity, coil two (12), coil three (39) are delayed after h and are powered;
Iii engine speed is in V2~V3In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), line Two (12) of circle power off, and are powered after coil three (39) delay h;
Iv engine speed is in V3~V4In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12), coil three (39) power off;
V engine speed is in V4~V5In the range of, Intelligent oil-saving control module control coil element (3), coil one (10), coil Two (12), coil three (39) power off;
(4) when compressor of air conditioner rotating speed v is reduced to its corresponding first rotating speed v1Or to drop to its right for the value of any temperature control parameter The level-one power-off temperature value k answered1When, Intelligent oil-saving control module control coil one (10), coil two (12), coil three (39) are equal Power off, be powered after coil part (3) delay h;
(5) when the duration T that engine water temperature remains unchanged is equal to preset time T ':
When rotating speed >=bis- speed of the fast electromagnetic fan clutch (600) of safety type five, Intelligent oil-saving control module control rotating speed drop Low level-one;
When the rotating speed of the fast electromagnetic fan clutch (600) of safety type five is fast for one, Intelligent oil-saving control module control rotating speed is protected Hold constant.
5. according to the control method any one of claim 2,3,4, it is characterised in that:The preset time T ' for 10~ 30min, the time h are 2s.
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