CN102729894A

CN102729894A - LED (Light-Emitting Diode) car light monitoring system

Info

Publication number: CN102729894A
Application number: CN2011100852031A
Authority: CN
Inventors: 廖运昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-02
Filing date: 2011-04-02
Publication date: 2012-10-17
Anticipated expiration: 2031-04-02
Also published as: CN102729894B

Abstract

The invention relates to an LED (Light-Emitting Diode) car light monitoring system. An LED car light at least comprises a first LED luminous body, a second standby LED luminous body and a third standby LED luminous body, wherein the first LED luminous body, the second LED luminous body and the third LED luminous body are respectively electrically connected with a selection/control unit and a fault monitoring unit of the monitoring system; and the monitoring system further comprises a temperature monitoring unit, an external humidity monitoring unit, a driving speed monitoring unit and a power control unit which are electrically connected with the selection/control unit respectively. A damaged LED luminous body is selected to close, the second standby LED luminous body is turned on by utilizing the fault monitoring unit and the selection/control unit, the fault monitoring unit and the selection/control unit are matched with the temperature monitoring unit to be in charge of monitoring the working temperature of the car light, the external humidity monitoring unit controls whether to start the third standby LED luminous body, and the driving speed monitoring unit is matched with the power control unit to be used for controlling a car to drive, enabling the car light to keep normal brightness and lowering the brightness of the car light when a car stops.

Description

LED car light monitored control system

Technical field

The present invention system refers to especially that about a kind of LED car light monitored control system the processing temperature that can effectively control the high brightness LED in the car light is in the value range of allowing on a kind of illuminating LED car light that is used in such as vehicles such as automobiles.

Background technology

Along with development in science and technology; The light-emitting diode of high brightness (LED/Light-Emitting Diode) often is used to when being designed to such as light equipments such as street lamp, flash light, car lights; Yet the high temperature that the light-emitting diode of high brightness is followed often becomes the problem of solution that these light equipments are desired most ardently; Its major cause is that the operating temperature of light-emitting diode causes light decay when too high and quickened the aging of chip, and reduce service life; So the light equipment that this high brightness LED is processed can be arranged on the good radiating gill of permeability of heat usually; By air flows the high temperature on the radiating gill is carried out the operating temperature that heat exchange action reduces light-emitting diode; Because service life and its operating temperature of light-emitting diode are inversely proportional to; So if can impel the operating temperature reduction further of light-emitting diode with the control device beyond the radiating gill, raising light-emitting diode service life that just can be further, therefore; The temperature that how suppresses to adopt the lamps and lanterns of high brightness LED when start, to be produced effectively, this is to be worth dropping into research.

Summary of the invention

Be head it off; The present invention provides a kind of LED car light monitored control system; This LED car light has one the one LED luminary and one the 2nd LED luminary at least, and monitored control system is for having a malfunction monitoring unit, a selection/control unit, a power control unit and a road speed monitoring means; Whether malfunction monitoring unit and first and second LED luminary electrically connect separately, normal after first and second LED luminary of malfunction monitoring unary system detecting starts; Selection/control unit and first and second LED luminary electrically connect separately; Selection/control unit system controllably distinctly supplies the first or the 2nd LED luminary luminous required power supply; Malfunction monitoring unit and selection/control unit electrically connects; Starting back and just often when the malfunction monitoring unit detects a LED luminary, is to send a correct signal to selection/control unit and keep starting a LED luminary; When the malfunction monitoring unit detects a LED luminary when unusual; System sends a wrong signal and gives selection/control unit; And selection/control unit starts the 2nd LED luminary; The malfunction monitoring unit is detected after the startup of the 2nd LED luminary and just often, is to send another correct signal to give selection/control unit and keep starting the 2nd LED luminary; When the malfunction monitoring unit detects the 2nd LED luminary when unusual, be to send another wrong signal to close the 2nd LED luminary for selection/control unit; Power control unit and selection/control unit electrically connects, and power control unit system output control signal is given selection/control unit, and then controls the brightness of the first or the 2nd LED luminary; Road speed monitoring means and power control unit electrically connect, and the road speed monitoring means is used to be connected with the driving computer-electrical property of vehicle, makes the road speed monitoring means read the moving velocity of vehicle.

When vehicle moves the speed of a motor vehicle greater than 0 the time, the road speed monitoring means is exported a vehicle and is moved signal and give power control unit, and power control unit is then exported a normal control signal and given selection/control unit, keeps the first or the 2nd LED luminary normal brightness.

When vehicle moves the speed of a motor vehicle and equals 0; The road speed monitoring means is exported a stationary vehicle signal and is given power control unit; Power control unit is then exported depowering control signal and is given selection/control unit; So that the brightness of the first or the 2nd LED luminary reduces, and can reduce the operating temperature of the first or the 2nd LED luminary; Basically, the road speed monitoring means is to read that road speed equals zero or being not equal to zero logic selects.

By described architectural feature; Operating temperature when being provided with of monitored control system of the present invention utilized temperature monitoring unit matching heat-sink unit to reduce the LED car light to start; With the service life of the light-emitting diode that improves LED car light inside; And cooperate the monitoring of vehicle driving speed, when vehicle stops, reduce the brightness of LED car light, and the operating temperature can reach effective inhibitions LED car light startup the time.

In addition; First and second LED luminary can produce white light; The LED car light further comprises one the 3rd LED luminary that can produce gold-tinted; The 3rd LED luminary and selection/control unit, malfunction monitoring unit electrically connect; Monitored control system also comprises and select/an outside humidity detection unit that control unit electrically connects, and outside humidity detection unit is used to the outside rh value of detecting vehicle, and when detecting vehicle exterior relative humidity in outside humidity detection unit is 100%; Outside humidity detection unit is exported the not good control signal of a sight line and is given selection/control unit, and selection/control unit starts the 3rd LED luminary or starts the first or the 2nd LED luminary simultaneously.

By this, utilize the relative humidity of outside humidity detection unit detecting vehicle exterior circumferential environment, whether the 3rd LED luminary of control sodium yellow starts, and can haze or the rainy day provides preferable illuminating effect when going, and further improves traffic safety.

Description of drawings

Fig. 1 scheme drawing that to be monitored control system of the present invention link with LED car light and vehicle driving computing machine.

Fig. 2 is three-dimensional branch of the part of car light and External view.

Fig. 3 is the part combination stereo appearance figure of car light.

Fig. 4 is the enlarged view of first, second and third LED luminary of car light.

The control flow chart (one) of Fig. 5 malfunction monitoring of the present invention unit.

The control flow chart (two) of Fig. 6 malfunction monitoring of the present invention unit.

Fig. 7 is monitored control system vehicle to run of the present invention car light start diagram of circuit when stopping.

10LED car light 20 lamp sockets

22 connecting bases, 24 faying faces

26 engagement grooves, 28 support plates

30 the one LED luminarys 32 the 2nd LED luminary

34 the 3rd LED luminarys, 36 joint seats

37 perforation, 38 heat pipes

40 malfunction monitoring unit, 41 radiating gills

42 monitored control systems, 43 binding ends

44 selection/control units, 48 temperature monitoring unit

50 outside humidity detection unit, 52 power control units

54 road speed monitoring means, 55 heat-sink units

56 vehicle driving computing machines, 57 force start switches

58 display units

The specific embodiment

All of the following drawings illustrate the invention consists of only the basic teaching ease only, the drawings of the preferred embodiment will constitute a number of components, position, relationship, and dimensions of the described extension will vary in the reading and understanding of the instructors of the present invention after the changes related to the implementation guide is the industry skills.In addition, the reading and understanding of the instructors lead after the invention, with a particular strength, weight, strength, and similar requirements of the exact dimensions and size of the industry is also changing the proportion of skills.

System indicates identical or similar assembly with same numeral in difference is graphic; Please understand in the literary composition side in addition such as " first ", " second ", " the 3rd ", " on ", D score, " preceding ", " back ", " interior ", " outward ", " end ", " portion ", " section ", " level ", " vertically ", " inwardly ", " outwards ", " width ", " length ", " district ", " on every side ", " ", " radially ", " axially " or the like and similarly only be convenient in person's reference diagram with the aid of pictures structure and only be used for helping to describe the present invention with the family of languages.

Shown in graphic; LED car light monitored control system of the present invention is used in such as on the illuminating LED car light of light-emitting diodes that vehicle adopts such as automobile, locomotive (LED/Light-Emitting Diode), and the present invention mainly is made up of a controlled

LED car light

10 and 42 of monitored control systems controlling this LED car light 10; Wherein, car light 10 has a lamp socket 20, consults Fig. 2 to shown in Figure 4; Lamp socket 20 includes the connecting base 22 like tangent plane appearance more than the diamond; This connecting base 22 is made by the material of tool permeability of heat, and connecting base 22 has six faying faces 24 that adjoin each other, and connecting base 22 further comprises the engagement groove 26 that is formed on separately on this faying face 24; Six engagement grooves 26 can be installed with a support plate 28 separately with heat conduction; And this support plate 28 has the usefulness of heat conduction, and the axle place that establishes according to six faying faces, 24 rings, and what connecting base 22 had a body interior of going deep into wears groove 27; Six support plates 28 are implanted 32 and two the 3rd LED luminarys of 30, two the 2nd LED luminarys of two the one LED luminarys (light-emitting diode) (light-emitting diode) (light-emitting diode) 34 separately with heat conduction; At length say; Six support plates 28 combine 6 light-emitting diodes (LED/Light-Emitting Diode) separately; Wherein, The one LED luminary 30, the 2nd LED luminary 32 can produce white light source, the 3rd LED luminary 34 can produce yellow or with the heterochromatic light source (bite of sodium yellow is higher, helps in the mist or illumination in the rain) of first,

second LED luminary

30,32.

Shown in graphic; Lamp socket 20 further comprises a joint seat 36 and a heat pipe 38; Joint seat 36 has a perforation 37, and joint seat 36 is that to be fixedly arranged on connecting base 22 terminal and be resisted against a side of six support plates 28, basically joint seat 36 and setting firmly of connecting base 22 be can screw lock mode; And heat pipe 38; The heat transfer medium that its inner falling heat-transfer property is splendid; Be filled in the aqueous system that this heat pipe 38 in-to-in heat transfer mediums system comprises at least a salt; The complex that this at least a salt system is formed by one or more metallic ions that are selected from copper, silver, gold, nickel, chromium, zinc, titanium and cobalt and organic acid or inorganic acid, best, the pH value that is filled in the heat transfer medium of this inside heat pipe ties up to 6～10 scope; Heat pipe 38 is the perforation 37 of passing joint seat 36; And the binding end 43 that heat pipe 38 has is socketed in wearing in the groove 27 of connecting base 22; Make first, second or the

3rd LED luminary

30,32, the 34 luminous heat energy that produce be passed to heat pipe 38 by connecting base 22; And 36 of connecting base 22 and joint seats are the structures that screw lock is arranged, and it and can force connecting base 22 to wear heat pipe 38 surfaces of more fitting, groove 27 surfaces except the arrangement state that can stablize support plate 28.According to shown in graphic, heat pipe 38 also has and comprises that the complex cooling fin 41 that is combined in its outside, radiating gill 41 can strengthen heat pipe 38 and extraneous area of contact, and improves the radiating efficiency of first, second or the

3rd LED luminary

30,32,34.

Shown in graphic; Monitored control system 42 of the present invention is installed in the vehicle; And the electric power system of monitored control system 42 and vehicle electrically connects electric power required when obtaining start; Monitored control system 42 comprises a selection/control unit 44 (as shown in Figure 1), and selection/control unit 44 further electrically connects with first, second and

third LED luminary

30,32,34 separately, at length says; First, second or the

3rd LED luminary

30,32,34 separately and selection/control unit 44 form independently electric loop, make selection/control unit 44 can distinctly control first, second or the

3rd LED luminary

30,32,34 and start or close and the control of brightness.

Shown in graphic; Monitored control system 42 further comprises a malfunction monitoring unit 40; Malfunction monitoring unit 40 and selection/control unit 44 electrically connect; When Vehicle Power is opened or is opened LED car light 10; Malfunction monitoring unit 40 is detecting first, second and

third LED luminary

30,32,34 voltage or electric current separately, the wherein at least a numerical value of resistance, by the numerical value of the voltage that records or electric current, resistance judge further whether first, second or the

3rd LED luminary

30,32,34 damage, start is normal; Certainly, malfunction monitoring unit 40, selection/control unit 44 also can be detected or record the operating temperature of car light 10 or first, second or the

3rd LED luminary

30,32,34.

Shown in graphic; Monitored control system 42 also comprises a power control unit 52 and a road speed monitoring means 54; Wherein power control unit 52 and selection/control unit 44 electrically connect; And road speed monitoring means 54 electrically connects with power control unit 52; The vehicle driving computing machine 56 that further has with vehicle of road speed monitoring means 54 electrically connects in addition, driving computing machine 56 itself promptly have the function of detecting vehicle moving velocity, so road speed monitoring means 54 is the moving velocity that reads vehicle by vehicle driving computing machine 56 greater than 0 or equals 0 (equal or be not equal to 0).

Shown in graphic; Monitored control system 42 comprises an outside humidity detection unit 50 in addition; Outside humidity detection unit 50 and selection/control unit 44 electrically connect; The relative humidity of outside humidity detection unit 50 detecting vehicle exterior circumferential environment, by rh value judge the outside vehicle surrounding environment be normal, haze or rain (in general relative humidity arrives 100% and will haze, and the relative humidity when rainy also is 100%); Outside humidity detection unit 50 can electrically connect with power control unit 52 in addition, and externally the relative humidity of humidity detection unit 50 detecting vehicle exterior circumferential environment arrives at 80～100% o'clock, strengthens 10 brightness of LED car light.

Shown in graphic, monitored control system 42 comprises a temperature monitoring unit 48 and a heat-sink unit 55 that constitutes such as fan or cooling chip etc. again; Temperature monitoring unit 48 and selection/control unit 44 or malfunction monitoring unit 40 electrically connect, and temperature monitoring unit 48 is the operating temperature after 30,32,34 each self-starting of detecting first, second and third LED luminary and can sets a safety temperature value.Heat-sink unit 55 and selection/control unit 44 electrically connect; And heat-sink unit 55 is that car light 10 working environments, radiating gill 41 are dispelled the heat or opposite heat tube 38 dispels the heat; At length say; When heat-sink unit 55 was the employing fan, the wind direction of fan was facing to the working space of car light 10 or facing to radiating gill 41, and the wind power energy that produces when fan rotates is taken away the heat on car light 10 working spaces or the radiating gill 41; And when implementing with cooling chip, cooling chip is to contact with heat pipe 38 basically, and selection/control unit 44 is lowered the temperature to start cooling chip opposite heat tube 38.When the operating temperature when 30,32,34 each self-starting of first, second and third LED luminary arrives institute's predetermined safe temperature value (can be set between 50 ℃～85 ℃); Temperature monitoring unit 48 outputs, one heat radiation signal is given selection/control unit 44; 44 of selection/control units start 55 pairs of car light 10 working environments of heat-sink unit or radiating gill 41 dispels the heat or opposite heat tube 38 dispels the heat operation (with the fan is example, is that fan carries extraneous lower temperature air that the working environment or the radiating gill 41 of car light 10 are dispelled the heat); First, second and

third LED luminary

30,32,34 operating temperature is separately reduced to the safety temperature value when following; Temperature monitoring unit 48 outputs, one stop signal is given selection/control unit 44 and is stopped heat-sink unit 55 starts, uses that the operating temperature after 30,32,34 each self-starting of first, second and third LED luminary is controlled in the permissible scope.

In addition; Monitored control system 42 of the present invention is preferably and will integrates with a display unit 58; With the running condition that reads car light 20 (first, second and

third LED luminary

30,32,34) (such as temperature, fault, voltage, power ... .); This display unit 58 is for the numerical value that can read temperature monitoring unit 48 or malfunction monitoring unit 40, selection/control unit 44, outside humidity detection unit 50, power control unit 52, road speed monitoring means 54 and disclose it; Certainly, display unit 58 can be created independently exposing system, or can with existing vehicle in such as instrument carrier panel or Liquid Crystal Display (LCD) ... Integrate in work one; At length say; Display unit 58 is to electrically connect with vehicle driving computing machine 56; Can have various cresset or the information of vehicles (indicator lamp that starts of engine speed, speed per hour, cooling water temperature, vehicle lamp for example in the display unit 58 ... ... or the like); The numerical information of 30,32,34 startups of first, second and third LED luminary and fault-indicating lamp or temperature, fault, voltage, power is set in display unit 58, makes driving can transmission display unit 58 learn the state of first, second and

third LED luminary

30,32,34 of present vehicle; Certainly, vehicle driving computing machine 56 itself can constitute a kind of of display unit 58, driving computing machine 56 be can diagnostic code mode disclose the information whether first, second and

third LED luminary

30,32,34 damages.

Explanation for ease is that hypothesis is driven in when opening car light 10 behind Vehicle power ON or the vehicle launch, and is as shown in Figure 5; Selection/the control unit 44 of monitored control system 42 is to start earlier a LED luminary 30, and meanwhile, whether malfunction monitoring unit 40 detectings the one LED luminary 30 fault; If when a LED luminary 30 that is detected is in proper working order; Malfunction monitoring unit 40 outputs, one correct signal is given selection/control unit 44 and is kept starting a LED luminary 30, in addition, and when car light 10 is opened in driving; Outside humidity detection unit 50 also can the exterior relative humidity of detecting vehicle; If relative humidity is, then start the first and the

3rd LED luminary

30,34 simultaneously, at 100% o'clock if relative humidity is lower than 100% and only starts a LED luminary 30; During in addition as if malfunction monitoring unit 40 detectings the one LED luminary 30 faults; Then 40 outputs, one wrong signal in malfunction monitoring unit is given selection/control unit 44; Selection/control unit 44 is closed the supply access of a LED luminary 30; And selection/control unit 44 starts the 2nd LED luminary 32 (if relative humidity is that 100% second,

third LED luminary

32,34 starts simultaneously); Whether simultaneous faults monitoring means 40 detecting the 2nd LED luminary 32 fault, if when the 2nd LED luminary 32 that is detected is in proper working order, malfunction monitoring unit 40 outputs, one correct signal is given selections/control unit 44 and maintenance startup the 2nd LED luminary 32; If during the 2nd LED luminary 32 faults that detected, then close the 2nd LED luminary 32; The first or the

2nd LED luminary

30,32 starts or is unusual and close and all see through selection/control unit 44 and be passed to vehicle driving computing machine 56 in addition; And in display unit 58, show first, second and third LED luminary, 30,32,34 normal, error staties, should overhaul to notify the driver.Supplemental instruction be; When the present invention's malfunction monitoring unit 40 when opening the Vehicle Power start; Only only whether whether fault detects (as shown in Figure 6) to first, second and

third LED luminary

30,32,34 for it, does not keep starting first, second and

third LED luminary

30,32,34 and does not consider the outside relative humidity of outside humidity detection unit 50 detecting vehicles.

In addition; As shown in Figure 7, suppose to drive in and open car light 10 in the driving process, then road speed monitoring means 54 is read the moving velocity of vehicle by vehicle driving computing machine 56; When moving velocity V is not equal to 0; Driving quick-action monitoring means 54 goes out a vehicle and moves signal and give power control unit 52, and power control unit 52 outputs one normal signal is to selection/control unit 44, and the first or the

2nd LED luminary

30,32 that makes car light 10 is at normal brightness; When road speed monitoring means 54 reads Vehicle Speed V and equals 0; Then road speed monitoring means 54 outputs one stationary vehicle signal is given power control unit 52, and power control unit 52 is then exported a depowering signal and given selection/control unit 44, by reducing the curtage of supplying with the first or the

2nd LED luminary

30,32; Make and win or the brightness of the

2nd LED luminary

30,32 reduces, so can reduce the operating temperature after the first or the

2nd LED luminary

30,32 starts.Certainly; Road speed monitoring means 54 can provide the overlap joint of a force start switch 57; To make car light 10 not receive the restriction of road speed monitoring means 54 when vehicle can start force start switch 57 in quiescence and when needing normal light source; Make first, second or the

3rd LED luminary

30,32,34 maintain normal brightness, and move the start that road speed monitoring means 54 is recovered in the back at vehicle.What can deduce is; This force start switch 57 can be a button switch, and it has pushes for the first time control action, when vehicle moves the speed of a motor vehicle and equals 0; For the first time push the start that control action can be closed road speed monitoring means 54, make the first or the

2nd LED luminary

30,32 that normal brightness is provided; Certainly; Force start switch 57 can have in addition pushes for the second time control action; When vehicle move the speed of a motor vehicle equal 0 and for the first time push control action and close road speed monitoring means 54 after; Push for the second time control action for starting 54 starts of road speed monitoring means, the monitoring start that recovers road speed monitoring means 54.

The present invention is by the setting of monitored control system 42; Utilize temperature monitoring unit 48 to cooperate heat-sink unit 55 to reduce the operating temperature after car light 10 starts; And the monitoring of cooperation vehicle driving speed;, reduces by vehicle the brightness of car light 10 when stopping, and after can reaching effective inhibition LED car light startup, the rising of LED car light operating temperature; In addition, utilize the relative humidity of outside humidity detection unit 50 detecting vehicle exterior circumferential environment, whether the 3rd LED luminary 34 of control sodium yellow starts, and can haze or the rainy day provides preferable illuminating effect when going, and further improves traffic safety.

Basic instruction of the present invention explains that as far as having the people of the common technical ability in this area, many extensions and variation will be to show and Yi Zhizhe.One example it; The temperature monitoring unit 48 and the heat-sink unit 55 of monitored control system can remove; So as long as car light 10 cooling systems own reach perfect; Just can only lean on heat pipe 38, flowing of air reduced the operating temperature of car light 10 when radiating gill 41 utilized vehicle to advance, and the operating temperature of car light 10 is controlled in the permissible scope.Or outside humidity controlling unit 52 can be removed, and opening and closing of the 3rd LED luminary 34 like this can be used artificial manually control, promptly when the driver feels that the sight line of outside vehicle is relatively poor, can manually boot the 3rd LED luminary 34.Or the 3rd LED luminary 34 can be removed; So only hazing or during rainy day; The first or the 2nd LED luminary 34 shines nearer distance because bite is relatively poor; But car light 10 still can be possessed the function of illumination, or with the red, green, blue look person of transformation of the first or the 2nd LED luminary 34.Or display unit 58 can be replaced by the diagnostic code announcement of vehicle driving computing machine 56.

In addition, power control unit 52 can be removed with road speed monitoring means 54, so as long as the cooling system of car light 10 itself is enough perfect, just can utilize heat-sink unit 55 to cooperate temperature monitoring unit 48 to control car lights 10 in the processing temperature of allowing.

Because the present invention that specification sheets discloses can implement in other particular form that does not break away from spirit of the present invention or general characteristics, and some forms of these particular forms are pointed out, so the embodiment that specification sheets discloses should be regarded as casehistory and unrestricted.Scope of the present invention is to be defined by appended claim, rather than is defined by above-mentioned explanation, changes and will be included within its scope for the institute of impartial meaning that falls into claim and scope.

Claims

1. a LED car light monitored control system is characterized in that, comprising:

One LED car light (10), this LED car light (10) have one the one LED luminary (30) and one the 2nd LED luminary (32) at least;

One malfunction monitoring unit (40) electrically connects with first and second LED luminary (30), (32) separately, and this malfunction monitoring unit (40) is whether first, second LED luminary (30) of detecting, (32) are normal after starting;

One selection/control unit (44); Electrically connect separately with first and second LED luminary (30), (32); This selection/control unit (44) is the startup that can distinctly control first, second LED luminary (30), (32); And selection/control unit (44) also electrically connects with malfunction monitoring unit (40), and when malfunction monitoring unit (40) detect a LED luminary (30) when unusual, selections/control unit (44) is selected startup the 2nd LED luminary (32);

One power control unit (52); This power control unit (52) electrically connects with selection/control unit (44); Power control unit (52) is that output control signal is given selection/control unit (44), and then controls the brightness of first, second LED luminary (30), (32);

One with the road speed monitoring means (54) of power control unit (52) electric connection, this road speed monitoring means (54) is used to read the moving velocity of vehicle;

By this; When vehicle moves the speed of a motor vehicle and is not equal to 0; Road speed monitoring means (54) is given selection/control unit (44) by power control unit (52) output signal; Make the first or the 2nd LED luminary (30), (32) brightness normal, when vehicle moved the speed of a motor vehicle and equals 0, road speed monitoring means (54) output one stationary vehicle signal was given power control unit (52); Power control unit (52) is then exported depowering control signal and is given selection/control unit (44), makes the brightness of the first or the 2nd LED luminary (30), (32) reduce.

2. the LED car light monitored control system according to claim 1; It is characterized in that; Wherein, first and second LED luminary (30), (32) have first coloured light, and LED car light (10) have in addition one can produce second coloured light the 3rd LED luminary (34); The 3rd LED luminary (34) and selection/control unit (44) electrically connect, and monitored control system (42) further comprises:

One with the outside humidity detection unit (50) of selections/control unit (44) electric connection; This humidity detection unit, outside (50) is used to the outside rh value of detecting vehicle; And output control signal is given selection/control unit (44) when detecting vehicle exterior relative humidity in outside humidity detection unit (50) is 90～100%, and selection/control unit (44) starts the 3rd LED luminary (34).

3. the LED car light monitored control system according to claim 1 is characterized in that, wherein, monitored control system (42) further comprises:

One temperature monitoring unit (48), temperature monitoring unit (48) and selection/control unit (44) or malfunction monitoring unit (40) electrically connect, and temperature monitoring unit (48) are the operating temperature of detecting LED car light (10), and can set a safety temperature value;

One heat-sink unit (55), and selection/control unit (44) electrically connects;

When the operating temperature of temperature monitoring unit (48) detecting LED car lights (10) is equal to or higher than the safety temperature value; Temperature monitoring unit (48) is that output one heat radiation signal is given selections/control unit (44), and driving heat-sink unit (55) is to LED car light (10) operation of dispelling the heat.

4. the LED car light monitored control system according to claim 1 is characterized in that, wherein, monitored control system (42) further comprises:

One with the force start switch (57) of road speed monitoring means (54) electric connection; The start that this force start switch (57) can cut out road speed monitoring means (54); Use making vehicle move the speed of a motor vehicle to equal to make the first or the 2nd LED luminary (30), (32) that normal brightness is provided at 0 o'clock, and after vehicle moves, recover the monitoring start of road speed monitoring means (54).

5. the LED car light monitored control system according to claim 4; It is characterized in that wherein, force start switch (57) can cut out or start the start of road speed monitoring means (54); This force start switch (57) has for the first time by pushing the pressure-controlled and the second time control action; Vehicle moves the speed of a motor vehicle and equals at 0 o'clock, pushes the start that control action can be closed road speed monitoring means (54) for the first time, makes the first or the 2nd LED luminary (30), (32) that normal brightness is provided; Push for the second time control action for starting road speed monitoring means (54) start, the monitoring start that recovers road speed monitoring means (54).

6. the LED car light monitored control system according to claim 3 is characterized in that, wherein; LED car light (10) has a lamp socket (20); This lamp socket (20) includes a connecting base (22) and a heat pipe (38), and this connecting base (22) has the faying face (24) that several rings are established, and has engagement groove (26) on each faying face (24); To provide the arrangement of a support plate (28); Each support plate (28) is for providing the implantation of at least one first, second LED luminary (30), (32), and the axle place that establishes according to each faying face (24) ring, connecting base (22) have go deep into body interior wear groove (27) so that the arrangement of heat pipe (38) to be provided.

7. the LED car light monitored control system according to claim 6 is characterized in that, wherein, heat-sink unit (55) is consistent cold core sheet, and this cooling chip is to contact with heat pipe (38), lowers the temperature with opposite heat tube (38).

8. the LED car light monitored control system according to claim 6; It is characterized in that; Wherein, The heat transfer medium of this heat pipe (38) inside system comprises the aqueous system of at least a salt, the complex that this at least a salt system is formed by one or more metallic ions that are selected from copper, silver, gold, nickel, chromium, zinc, titanium and cobalt and organic acid or inorganic acid.

9. the LED car light monitored control system according to claim 1; It is characterized in that; Wherein, Monitored control system (42) further comprises a display unit (58), and this display unit (58) is for the numerical value that can read temperature monitoring unit (48) or malfunction monitoring unit (40), selection/control unit (44), outside humidity detection unit (50), power control unit (52), road speed monitoring means (54) and disclose it.

10. the LED car light monitored control system according to claim 9 is characterized in that wherein, display unit (58) is the instrument carrier panel of vehicle.

11. the LED car light monitored control system according to claim 9 is characterized in that wherein, display unit (58) is the Liquid Crystal Display (LCD) of vehicle.

12. the LED car light monitored control system according to claim 9 is characterized in that, wherein, display unit (58) is the driving computing machine of vehicle, and the numerical value of malfunction monitoring unit (40) is disclosed by the diagnostic code with the driving computing machine.

13. the LED car light monitored control system according to claim 3 is characterized in that wherein, the safety temperature value of temperature monitoring unit (48) is set between 50～85 ℃.