CN110225626A - A kind of indoor lamp for car controller and the vehicle with indoor lamp controller - Google Patents
A kind of indoor lamp for car controller and the vehicle with indoor lamp controller Download PDFInfo
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- CN110225626A CN110225626A CN201910614953.XA CN201910614953A CN110225626A CN 110225626 A CN110225626 A CN 110225626A CN 201910614953 A CN201910614953 A CN 201910614953A CN 110225626 A CN110225626 A CN 110225626A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
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- 239000011324 bead Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
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- 238000005859 coupling reaction Methods 0.000 description 3
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- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention discloses a kind of indoor lamp for car controller and the vehicle with indoor lamp controller, indoor lamp for car controller includes power module, the light bulb control module coupled with power module, the trigger module coupled with light bulb control module, several light bulbs being electrically connected with control module and LED light；The control module includes light bulb control circuit, the bulb driving circuit being electrically connected with light bulb control circuit, the LED drive circuit in parallel with light bulb control circuit, the pwm control circuit connecting with bulb driving circuit；The pwm control circuit is gradually bright or gradually go out for controlling light bulb, the light bulb control circuit, the quantity of bulb driving circuit be it is several, for controlling several light bulbs respectively；The quantity of the LED drive circuit be it is several, for controlling several LED light respectively；The trigger module is controlled the gradually bright of two light bulbs or is gradually gone out using autonomous channel circuit or door mode, and the trigger module is switched with several carbon films.
Description
Technical field
The present invention relates to vehicle electric fields, are related to a kind of indoor lamp for car controller and the vehicle with indoor lamp controller
?.
Background technique
With the development of automobile, finished vehicle electronic, intelligentized continuous upgrading, the electronic environment of vehicle become increasingly complex,
Car terminals user requires to be increasingly stringenter to product quality, then traditional indoor lamp for car controller update has become
Gesture.Traditional product material cost is high, and production technology is complicated, and yield rate is relatively low, and reliability is relatively very low.Currently on the market
Mainstay scheme such as patent document CN201510362314.0, CN201510993094.1 etc., has the following problems:
1) control of single-chip microcontroller and software to various lamps is needed, cost is relatively high, manufactures relative complex；
2) it is not highly resistant to the field coupling measurement of the +/- 15KV and +/- 25KV of ESD in ISO10605；
3) it is not highly resistant to the EMI (ISO7637) of latest edition) and electric performance test (ISO16750)；
4) overall current drain is excessively high, more than 150uA；
5) it is bright that unexpected triggering light bulb is easy when human contact's touch circuit especially connector input circuit, i.e., by human body
Charge influences the problems such as (non-ESD).
The information disclosed in the background technology section is intended only to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
For these reasons, the vehicle present applicant has proposed a kind of indoor lamp for car controller and with indoor lamp controller
, it is intended to solve following problems: by using electronic component and carbon film switch and mechanical switch to the light on and off of LED and light bulb into
Row control；
Using dedicated inexpensive trigger circuit design to the independent control of two light bulbs, complicated electricity on automobile can be effectively antagonized
Subenvironment is interfered it and switch property noise jamming, guarantees the reliable light on and off of light bulb, and can be under 9~16V wide-voltage range
100% reliably working；
The gradually bright of two light bulbs is controlled using autonomous channel circuit or door mode to fade off；
The EMI protection that power port is carried out using dedicated inexpensive circuit, can effectively antagonize interference, keep preferable function
State.
Summary of the invention
In order to meet above-mentioned requirements, the first purpose of this invention is to provide a kind of indoor lamp for car controller.
Second object of the present invention is to provide a kind of vehicle with indoor lamp controller.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of indoor lamp for car controller, including, power module, the light bulb control module coupled with power module, with lamp
The trigger module for steeping control module coupling, several light bulbs being electrically connected with control module and LED light；
The control module includes light bulb control circuit, the bulb driving circuit being electrically connected with light bulb control circuit, with
The LED drive circuit of light bulb control circuit parallel connection, the pwm control circuit being connect with bulb driving circuit；The pwm control circuit
It is gradually bright or gradually go out for controlling light bulb, the light bulb control circuit, the quantity of bulb driving circuit be it is several, for distinguishing
Control several light bulbs；The quantity of the LED drive circuit be it is several, for controlling several LED light respectively；
The trigger module is controlled the gradually bright of light bulb or is gradually gone out using autonomous channel circuit or door mode, the triggering
Module is switched with several carbon films, and the carbon film switch is for controlling light bulb work；The light bulb is also connected with mechanical switch,
The mechanical switch is bright or go out for controlling light bulb, or bright simultaneously goes out simultaneously.
Further technical solution is that the trigger module includes carbon film switch rising edge trigger circuit, and the carbon film is opened
It closes rising edge trigger circuit to switch with carbon film, switchs concatenated first capacitor with carbon film, one end is connected to first capacitor and carbon
First ground resistance of the intermediate node of membrane switch is connect with the concatenated magnetic bead of first capacitor, second resistance with second resistance end
Third ground resistance, second ground capacity in parallel with third ground resistance；First ground resistance and first capacitor, magnetic
Pearl, second resistance, third ground resistance, the second ground capacity constitute triggering edge impulse circuit.
Further technical solution is that the trigger module includes the double D trigger circuit of two groups of Set-Resets of band, described
Two groups of Set-Resets of band double D trigger circuit have 74AHC74PW-Q100J cake core, the 74AHC74PW-Q100J
Tenth foot of cake core is connected with the 4th resistance, and the 6th foot is connected with the 5th resistance, third ground capacity, crus secunda connection in turn
Node between the 5th resistance and third ground capacity；4th resistance and third ground capacity, the 6th foot, the 5th foot,
Crus secunda constitutes first d type flip flop circuit；The octal of the 74AHC74PW-Q100J cake core be connected with the 6th resistance with
And the 4th ground capacity, 12 feet are connected to the node between the 6th resistance and the 4th ground capacity, the 9th foot is connected with the 5th
Ground capacity, the 6th resistance and the 4th ground capacity, octal, the 9th foot, the 12nd foot constitute second d type flip flop
Circuit；
The first foot, the 4th foot, the tenth foot, the 13rd foot and the peripheral components of the 74AHC74PW-Q100J cake core
Constitute 2 groups of set-reset circuits.
Further technical solution is that the pwm control circuit is connected with PWM inverter cricuit, and the PWM inverter cricuit is used for
The input signal phase of pwm control circuit is negated, to realize the control that is gradually bright or gradually going out to light bulb.
Further technical solution is, the bulb driving circuit includes, it is that two patch switching diode parallel connections are constituted or
Gate circuit.
Further technical solution is that the power module includes power-switching circuit, and the power-switching circuit has
S-19212B50H-E6T1U model chip.
Further technical solution is that the power module further includes power inlet protection circuit.
Further technical solution is that the mechanical switch is ship type switch.
Further technical solution is that the quantity of the light bulb is 2, and the quantity of the carbon film switch is 2, the mechanical switch
Quantity be 1；The carbon film switch independently controls 2 light bulbs, and the mechanical switch controls 2 light bulbs simultaneously.
The invention also discloses a kind of vehicles with indoor lamp controller, including vehicle body, are installed on vehicle body
Indoor lamp controller；The interior lamp controller is indoor lamp for car controller described in any of the above embodiments.
Compared with the prior art, the beneficial effects of the present invention are: using the indoor lamp controller of this programme, due to control
Device has the double D trigger circuit of carbon film switch two groups of Set-Resets of rising edge trigger circuit and band, in conjunction with trigger module
The control to light bulb is realized, effect that is gradually bright or gradually going out can be completed, simultaneously as circuit structure has cost
It is low, stand-by power consumption is low, anti-automotive electronics environmental reliability is high, it is excellent to require that low, device is simple, is not related to software etc. to structural modeling
Point, this controller are suitble to vehicle to use, and the stand-by power consumption of two chips is no more than 50uA in circuit, and other discrete devices do not work
When power consumption all within 50uA so that the control of controller overall power consumption is far below conventional products, can save in 110uA
Mass energy.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of carbon film switch one specific embodiment of rising edge trigger circuit of indoor lamp for car controller of the present invention
Circuit diagram；
Fig. 2 is a kind of one, the double D trigger circuit tool of two groups of Set-Resets of band of indoor lamp for car controller of the present invention
Body embodiment circuit diagram；
Fig. 3 is a kind of one specific embodiment circuit diagram of PWM inverter cricuit of indoor lamp for car controller of the present invention；
Fig. 4 is a kind of one specific embodiment circuit signal of bulb driving circuit of indoor lamp for car controller of the present invention
Figure；
Fig. 5 is a kind of one specific embodiment circuit signal of power-switching circuit of indoor lamp for car controller of the present invention
Figure；
Fig. 6 is a kind of one specific embodiment circuit of power inlet protection circuit of indoor lamp for car controller of the present invention
Schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
Invention is further described in detail for mode.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be connection, may be a detachable connection, or integral；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
The interaction relationship of connection or two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It is interpreted as that identical embodiment or example must be directed to.Moreover, particular features, structures, materials, or characteristics described
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art can
Different embodiments or examples described in this specification are engaged and be combined.
A kind of indoor lamp for car controller, including, power module, the light bulb control module coupled with power module, with lamp
The trigger module for steeping control module coupling, several light bulbs being electrically connected with control module and LED light；
The control module includes light bulb control circuit, the bulb driving circuit being electrically connected with light bulb control circuit, with
The LED drive circuit of light bulb control circuit parallel connection, the pwm control circuit being connect with bulb driving circuit；The pwm control circuit
It is gradually bright or gradually go out for controlling light bulb, the light bulb control circuit, the quantity of bulb driving circuit be it is several, for distinguishing
Control several light bulbs；The quantity of the LED drive circuit be it is several, for controlling several LED light respectively；
The trigger module is controlled the gradually bright of two light bulbs or is gradually gone out using autonomous channel circuit or door mode, described
Trigger module is switched with several carbon films, and the carbon film switch is for controlling light bulb work；The light bulb is also connected with machinery
Switch, the mechanical switch is bright or go out for controlling light bulb, or bright simultaneously goes out simultaneously.
In one embodiment, above-mentioned module, light bulb and LED are mountable on PCBA, wherein the PCBA rule setting
Several LED light (being divided into several LED backlights and LED atmosphere lamp) and light bulb (can be used as reading lamp), the reading lamp
It is opened or closed by carbon film switch control；
Specifically, the control function of above-mentioned PCBA is as follows:
1) part of LED backlight is by external BCM (car body control module) individually control light on and off simultaneously；
2) LED atmosphere lamp individually controls light on and off by BCM；
3) light on and off can independently be controlled by key by reading light bulb, and when controller powers on, reading lamp must go out,
To guarantee the experience of user；
4) reading light bulb can also be by PWM foot control system:
Specifically, A) when PWM is in ON (duty ratio 0%) (when vehicle door status DOOR is just OPEN, this by
BCM control)；Regardless of being what state (ON or OFF) before reading lamp, all it is at this time bright (ON)；When PWM is in OFF (duty
Than 100%) when, reading lamp should be restored to pervious state (ON or OFF)；
In other embodiments, it can also use, when PWM is in ON, (duty ratio 100%) is (as vehicle door status DOOR
When being just OPEN, this is controlled by BCM)；Regardless of being what state (ON or OFF) before light bulb, all it is at this time bright (ON)；When
When PWM is in OFF (duty ratio 0%), light bulb should be restored to pervious state (ON or OFF)；
Wherein, PWM duty cycle is exactly the ratio that accounts for of institute's whole cycle of high level in a pulse period.Such as 1 second height
Level 1 second low level PWM wave duty ratio is that 50%, PWM is pulse width modulation；
Pulse width modulation is that have very much using the numeral output of microprocessor come the one kind controlled analog circuit
The technology of effect is widely used in from measurement, communicates into many fields of power control and transformation；
Pulse width modulation be a kind of simulation controlling party pulse width modulate be using the numeral output of microprocessor come pair
A kind of very effective technology that analog circuit is controlled is widely used in from measurement, communicates to power control and transformation
In many fields pulse width modulated be using the numeral output of microprocessor come to analog circuit controlled it is a kind of very
Effective technology is widely used in from measurement, communicates into many fields of power control and transformation；
Pulse width modulation is a kind of analog control mode, according to the variation of respective loads come modulation transistor base stage or
The biasing of metal-oxide-semiconductor grid, the change of Lai Shixian transistor or metal-oxide-semiconductor turn-on time, to realize switching power supply output
Change.This mode can be such that the output voltage of power supply keeps constant in operation conditions change, be the number using microprocessor
A kind of very effective technology that signal controls analog circuit.
PWM control technology is simple with its control, flexibly and the good advantage of dynamic response and it is most wide as power electronic technique
The control mode of general application is realized according to the variation of respective loads come the biasing of modulation transistor base stage or metal-oxide-semiconductor grid
The change of transistor or metal-oxide-semiconductor turn-on time, to realize the change of switching power supply output.This mode can make power supply
Output voltage is kept constant in operation conditions change, is to be controlled using the digital signal of microprocessor analog circuit
A kind of very effective technology.Since the technology has the above advantages, present invention employs the technologies as light bulb control means.
5) mechanical switch is switched using ship type, and it is OFF/DOOR/ON (following state respectively that there are three types of states for ship type switch
Must be MAP RH/LH be low level when, that is, when not working or not controlling left and right light bulb).
A) when DOOR state, 3)/4) remaining unchanged of function.
B it) when OFF switches ON states, no matter what state two reading lamps were in the past, all keeps now with bright.
C) when ON switches OFF state, two reading lamps go out regardless of all keeping same now.
D) ship type switch does not control LED atmosphere lamp and LED backlight.
Preferably, the trigger module includes carbon film switch rising edge trigger circuit；
In embodiment as shown in Figure 1, the carbon film switch rising edge trigger circuit has carbon film switch S1, with carbon film
The concatenated first capacitor C5 of switch S1, one end are connected to the first ground resistance of the intermediate node of first capacitor C5 and carbon film switch S1
R10, with the concatenated magnetic bead FB1 of first capacitor R10, second resistance R9, the third ground resistance being connect with the end second resistance R9
R11, the second ground capacity C7 in parallel with third ground resistance R11；The first ground resistance R10 and first capacitor C5, magnetic
Pearl FB1, second resistance R9, third ground resistance R11, the second ground capacity C7 constitute triggering edge impulse circuit.Specifically, S1
Trigger-type carbon film switch, R6 be pull-up resistor (pull-up is exactly that uncertain signal is passed through to resistance clamper in high level,
Resistance plays metering function simultaneously.Pull-up is to device input current, and drop-down is output electric current；Power is the resistance value of pull-up resistor
Difference, without what stringent differentiation；Electricity is provided for non-collector (or drain electrode) open circuit output type circuit (such as common gate circuit)
The ability of stream and voltage is limited, and the function of pull-up resistor is mainly that open collector output type circuit output current is logical
Road).
Working principle is as follows:
When switch S1 is pressed, then 5V transient switching, is charged by C5, and the charging time is determined by R6, R10 and C5, T15
Position just will appear a rising edge, give rear class " the double D trigger circuits of two groups of Set-Resets of band " trigger signal；
FB1 (magnetic bead) and R9 is the deburring of the decaying and HF switch shake for common mode interference signal, R11 and C7
It is the micro-adjustment to the circuit charge and discharge time of rear class.
C5 also has isolated DC effect concurrently, and when S1 is released, the electricity on C5 is discharged by R10, and the electricity on C7 passes through R11
Electric discharge.
When the above parameter meets under -40 degree to 85 degree of environment, 50 speed below per second presses S1 (triggering), can
The d type flip flop circuit of 100% triggering rear class " the double D trigger circuits of two groups of Set-Resets of band ".And reliable anti-EMI filter interference with
ESD interference, finally exports reliable edge signal to late-class circuit from CP1.
In embodiment as shown in Figure 1, it is preferable that the device parameters of R11, C7, FB1, R9, C5, R10 are using diagram one
It causes.
Preferably, the trigger module includes the double D trigger circuit of two groups of Set-Resets of band, specifically, the band two
The double D trigger circuit of group Set-Reset is the late-class circuit that above-mentioned carbon film switchs rising edge trigger circuit.
In embodiment as shown in Figure 2, the double D trigger circuit of described two groups of Set-Resets of band has
74AHC74PW-Q100J cake core U1, the tenth foot of the 74AHC74PW-Q100J cake core U1 are connected with the 4th resistance R18,
6th foot is connected with the 5th resistance R12, third ground capacity C8 in turn, and crus secunda is connected to the 5th resistance R12 and third is grounded
Node between capacitor C8；The 4th resistance R18 and third ground capacity C8, the 6th foot, the 5th foot, crus secunda constitute first
A d type flip flop circuit；The octal of the 74AHC74PW-Q100J cake core U1 is connected with the 6th resistance R25 and the 4th and connects
Ground capacitor C18,12 feet are connected to the node between the 6th resistance R25 and the 4th ground capacity C18, and the 9th foot is connected with the 5th
Ground capacity C20, the 6th resistance C25 and the 4th ground capacity C18, octal, the 9th foot, the 12nd foot constitute second
A d type flip flop circuit；
The first foot, the 4th foot, the tenth foot, the 13rd foot and the peripheral device of the 74AHC74PW-Q100J cake core U1
Part (R8, R7, C9, C31, R19, R18, C32, C19 including diagram) constitutes 2 groups of set-reset circuits；
Specifically, C4 power supply plays the role of pressure stabilizing and stabilization, and C10 is that the steady level of filtering is played with C20.
Preferably, the pwm control circuit is connected with PWM inverter cricuit, and the PWM inverter cricuit is for controlling PWM
The input signal phase of circuit negates, to realize the control that is gradually bright or gradually going out to light bulb.
In embodiment as shown in Figure 3, phase inverter of the PWM inverter cricuit as pwm signal, PWM signal frequency
200HZ hereinafter, realizes that control the gradually bright of rear class light bulb fades off.Specifically, in illustrated circuit, work that each electric elements play
With as follows, C30 is used as port ESD protection, and D7 is used for pressure stabilizing 5V for pressure stabilizing, R15 and R16 and D7；Q9 and R2, C29,
R33 forms phase inverter, and D5 is used as or door is used.Wherein, the necessary 100nF/100V or higher of C30, can guarantee the normal work of circuit
Make.
In embodiment as shown in Figure 4, the bulb driving circuit includes two patch switching diode D6/D8, in parallel
The OR circuit of composition.Specifically, D6/D8 forms OR circuit, and R21 is current-limiting resistance, and R21/R24/C17 forms the control of Q5
System, it is ensured that reliable Q5 on and off, R24 release and pull down use as electric current, and C17 filters burr interference, and D3 is as confrontation
Damage of the high-voltage pulse of ISO7637 to Q5, to realize the normal operation of driving circuit；
Wherein, C17 capacitor must be within 470Pf, and within R24 resistance is 1M ohm necessary, the pressure voltage of D3 is arrived in 40V
Between 55V, the pressure voltage of Q5 is in 55V or more, it is ensured that can cross test, reach a preferable working condition.
In embodiment as shown in Figure 5, the power module includes power-switching circuit, the power-switching circuit tool
There is S-19212B50H-E6T1U model chip U2, specifically, in circuit, C25 is anti-reverse for preventing ESD, D10；R3 and
C41, C28 are for fighting each impulse disturbances of ISO7637.U2 is in normally open, consumed when work itself electric current no more than 6uA (-
40 to 85 degree)；C25 wants 100nF/100V or more, guarantees power supply conversion.
In embodiment as shown in FIG. 6, the power module further includes power inlet protection circuit, specifically, in electricity
C21/C26 is ESD protection use in road, and C37 fights the P5b35V throw load of ISO7637, and D1 is for anti-reverse.Wherein, C21 requirement
100nF/100V or more, C37 require 35V pressure resistance or more, can guarantee power supply onset of action.
In one embodiment, optionally, the mechanical switch is ship type switch.
In one embodiment, optionally, the quantity of the light bulb is 2, and the quantity of the carbon film switch is 2, the machinery
The quantity of switch is 1；The carbon film switch independently controls 2 light bulbs, and the mechanical switch controls two light bulbs simultaneously,
The quantity of LED light is 4, in conjunction with the control module and pwm circuit of above-mentioned connection, realizes the control for light bulb and LED light,
Specifically, specifically, control function is as follows:
1) part of LED backlight is by external BCM (car body control module) individually control light on and off simultaneously；
2) LED atmosphere lamp individually controls light on and off by BCM；
3) light bulb can be switched by carbon film and independently control light on and off, and when controller powers on, light bulb keeps extinguishing, to protect
Demonstrate,prove the experience of user；
4) light bulb can also be by PWM foot control system:
Specifically, A) when PWM is in ON (duty ratio 0%) (when vehicle door status DOOR is just OPEN, this by
BCM control)；Regardless of being what state (ON or OFF) before light bulb, all it is at this time bright (ON)；When PWM is in OFF (duty ratio
100%) when, light bulb should be restored to pervious state (ON or OFF)；
In other embodiments, it can also use, when PWM is in ON, (duty ratio 100%) is (as vehicle door status DOOR
When being just OPEN, this is controlled by BCM)；Regardless of being what state (ON or OFF) before light bulb, all it is at this time bright (ON)；When
When PWM is in OFF (duty ratio 0%), light bulb should be restored to pervious state (ON or OFF)；
5) ship type switch is that (following state must be that MAP RH/LH is low electricity to OFF/DOOR/ON respectively there are three types of state
Usually, that is, when not working or not controlling left and right light bulb).
A) when DOOR state, 3)/4) remaining unchanged of function.
B it) when OFF switches ON states, no matter what state two light bulbs were in the past, all keeps now with bright.
C) when ON switches OFF state, two light bulbs go out regardless of all keeping same now.
D) ship type switch does not control LED light.
The invention also discloses a kind of vehicles with indoor lamp controller, including vehicle body, are installed on vehicle body
Indoor lamp controller；The interior lamp controller is indoor lamp for car controller described in any of the above embodiments.
In conclusion using the indoor lamp controller of this programme, since controller has carbon film switch rising edge triggering electricity
The double D trigger circuit of the two groups of Set-Resets in road and band, realizes the control to light bulb in conjunction with trigger module, can
Effect that is gradually bright or gradually going out is completed, at low cost, stand-by power consumption is low, anti-automotive electronics ring simultaneously as circuit structure has
Border high reliablity, low to structural modeling requirement, device is simple, is not related to the advantages that software, this controller is suitble to vehicle to use, electricity
The stand-by power consumption of two chips is no more than 50uA in road, and power consumption is all within 50uA when other discrete devices do not work, to make
The control of controller overall power consumption is obtained in 110uA, conventional products is far below, mass energy can be saved.
It will be apparent to those skilled in the art that it is various that other can be made according to the above description of the technical scheme and ideas
It is corresponding to change and deformation, and all these change and deformation should belong to the claims in the present invention protection scope it
It is interior.
Claims (10)
1. a kind of indoor lamp for car controller, which is characterized in that including, power module, the light bulb control coupled with power module
Module, the trigger module coupled with light bulb control module, several light bulbs being electrically connected with control module and LED light；
The control module includes light bulb control circuit, the bulb driving circuit being electrically connected with light bulb control circuit, with light bulb
The LED drive circuit of control circuit parallel connection, the pwm control circuit being connect with bulb driving circuit；The pwm control circuit is used for
Control light bulb is gradually bright or gradually go out, the light bulb control circuit, the quantity of bulb driving circuit be it is several, for controlling respectively
Several light bulbs；The quantity of the LED drive circuit be it is several, for controlling several LED light respectively；
The trigger module is controlled the gradually bright of light bulb or is gradually gone out using autonomous channel circuit or door mode, the trigger module
It is switched with several carbon films, the carbon film switch is for controlling light bulb work；The light bulb is also connected with mechanical switch, described
Mechanical switch is bright or go out for controlling light bulb, or bright simultaneously goes out simultaneously.
2. a kind of indoor lamp for car controller according to claim 1, which is characterized in that the trigger module includes carbon film
Rising edge trigger circuit is switched, the carbon film switch rising edge trigger circuit is switched with carbon film, switched with carbon film concatenated
First capacitor, one end is connected to the first ground resistance of the intermediate node of first capacitor and carbon film switch, concatenated with first capacitor
Magnetic bead, second resistance, the third ground resistance being connect with second resistance end, the second ground connection electricity in parallel with third ground resistance
Hold；First ground resistance and first capacitor, magnetic bead, second resistance, third ground resistance, the second ground capacity are constituted and are triggered
Edge impulse circuit.
3. a kind of indoor lamp for car controller according to claim 1, which is characterized in that the trigger module includes band two
The double D trigger circuit of the double D trigger circuit of group Set-Reset, described two groups of Set-Resets of band has 74AHC74PW-
Q100J cake core, the tenth foot of the 74AHC74PW-Q100J cake core are connected with the 4th resistance, and the 6th foot is connected in turn
5th resistance, third ground capacity, crus secunda are connected to the node between the 5th resistance and third ground capacity；4th electricity
Resistance constitutes first d type flip flop circuit with third ground capacity, the 6th foot, the 5th foot, crus secunda；The 74AHC74PW-
The octal of Q100J cake core is connected with the 6th resistance and the 4th ground capacity, and 12 feet are connected to the 6th resistance and the 4th
Node between ground capacity, the 9th foot are connected with the 5th ground capacity, the 6th resistance and the 4th ground capacity, the 8th
Foot, the 9th foot, the 12nd foot constitute second d type flip flop circuit；
The first foot, the 4th foot, the tenth foot, the 13rd foot and the peripheral components of the 74AHC74PW-Q100J cake core constitute 2
Group set-reset circuit.
4. a kind of indoor lamp for car controller according to claim 1, which is characterized in that the pwm control circuit connection
There is PWM inverter cricuit, the PWM inverter cricuit is for negating the input signal phase of pwm control circuit, to realize to light bulb
The gradually bright or control gradually gone out.
5. a kind of indoor lamp for car controller according to claim 1, which is characterized in that the bulb driving circuit packet
It includes, the OR circuit that two patch switching diode parallel connections are constituted.
6. a kind of indoor lamp for car controller according to claim 1, which is characterized in that the power module includes power supply
Conversion circuit, the power-switching circuit have S-19212B50H-E6T1U model chip.
7. a kind of indoor lamp for car controller according to claim 1, which is characterized in that the power module further includes electricity
Source input port protection circuit.
8. a kind of indoor lamp for car controller according to claim 1, which is characterized in that the mechanical switch is opened for ship type
It closes.
9. a kind of indoor lamp for car controller according to claim 1, which is characterized in that the quantity of the light bulb is 2, institute
The quantity for stating carbon film switch is 2, and the quantity of the mechanical switch is 1；The carbon film switch independently controls 2 light bulbs, institute
It states mechanical switch while controlling 2 light bulbs.
10. a kind of vehicle with indoor lamp controller, which is characterized in that including vehicle body, be installed on the room of vehicle body
Interior lamp controller；The interior lamp controller is indoor lamp for car controller of any of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910614953.XA CN110225626B (en) | 2019-07-09 | 2019-07-09 | Indoor lamp controller for vehicle and vehicle with indoor lamp controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910614953.XA CN110225626B (en) | 2019-07-09 | 2019-07-09 | Indoor lamp controller for vehicle and vehicle with indoor lamp controller |
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| CN110225626B CN110225626B (en) | 2024-03-29 |
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| CN210405725U (en) * | 2019-07-09 | 2020-04-24 | 深圳南方德尔汽车电子有限公司 | Indoor lamp controller for vehicle and vehicle with indoor lamp controller |
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| WO2012077013A2 (en) * | 2010-12-08 | 2012-06-14 | Koninklijke Philips Electronics N.V. | Control circuit for led lamps in automobile applications |
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|---|---|
| CN110225626B (en) | 2024-03-29 |
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