CN104105268A - Rear fog lamp control relay and rear fog lamp control circuit - Google Patents

Rear fog lamp control relay and rear fog lamp control circuit Download PDF

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Publication number
CN104105268A
CN104105268A CN201410364559.2A CN201410364559A CN104105268A CN 104105268 A CN104105268 A CN 104105268A CN 201410364559 A CN201410364559 A CN 201410364559A CN 104105268 A CN104105268 A CN 104105268A
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China
Prior art keywords
fog lamp
rear fog
terminal
switching tube
power supply
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Granted
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CN201410364559.2A
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CN104105268B (en
Inventor
周积茂
李娟�
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The invention discloses a rear fog lamp control relay and a rear fog lamp control circuit. A contact of the rear fog lamp control relay is connected between a power supply and a rear fog lamp wiring terminal; a control end of a second switch tube in serial connection with a coil of the rear fog lamp control relay is connected with an output end of a T' trigger; a control end of a first switch tube connected between the power supply and a time input end of the trigger is connected with an earthing terminal through a fifth capacitor which is connected with a rear fog lamp switch terminal; a tenth resistor and a third switch tube are parellelly connected between the time input end and the earthing terminal, a control end of the third switch is connected with a power supply terminal through an eighth resistor, and a control end of a fourth switch tube parellelly connected with an eleventh resistor between the control end of the third switch tube and the earthing terminal is connected with front fog lamp and headlamp signal terminals; a control end of a fifth tube in parallel connection with the fourth switch tube is connected with the output end of the trigger. The rear fog lamp control relay and the rear fog lamp control circuit have the advantages of being low in cost, few in fault points, and high in finished automobile security.

Description

A kind of Rear Fog Lamp control relay and back fog light control circuit
Technical field
The present invention relates to vehicle electric field, relate in particular to a kind of Rear Fog Lamp control relay and adopt the back fog light control circuit of this kind of Rear Fog Lamp control relay.
Background technology
Along with improving constantly of people's living standard, automobile has become popular consumer goods, and for adapting to the requirement of market competition, comfortableness, convenience and the fail safe of automobile must constantly improve in car load enterprise, and reduce failure rate, progressively reduce the price of automobile simultaneously.Because the quantity of electrical equipment and electronic equipment increases and improvement in performance, in integral vehicle cost, the proportion of electrical equipment and electronic equipment is in continuous rising, and the cost that how to reduce these products has become the problem that car load enterprise pays much attention to.
In GB_4785 (installation provision of automobile and trailer exterior lighting and optical signal device), regulation Rear Fog Lamp control logic must meet following requirement: 1, only have in the time that high beam, dipped headlights or front fog lamp are opened, can open Rear Fog Lamp; 2, Rear Fog Lamp can be independent of other any light fixture and close; 3, Rear Fog Lamp can continuous operation, until position lamp while closing till; 4, except the indicating device that must be equipped with, Rear Fog Lamp at least should be equipped with an audible alarm unit, no matter whether high beam, dipped headlights or front fog lamp are opened, close or firing key takes out, driver do not close car door once ignition switch, if Rear Fog Lamp, in open mode, sends alarm signal.5,, except the regulation of above-mentioned the 1st article, the 3rd article and the 4th article, the work of Rear Fog Lamp should not be subject to the open and close impact of other any light fixture.
In order to realize above-mentioned Rear Fog Lamp control logic, current back fog light control circuit is realized by assemblies such as multiple relays, diode buzzers, this kind of back fog light control circuit is owing to having more electronic devices and components, therefore not only bad for controlling cost, but also there is the defect that fault point is more, failure rate is higher and fail safe is poor.
Summary of the invention
The object of one embodiment of the invention is to overcome the problems referred to above that in prior art, back fog light control circuit exists, and provides a kind of and only adopts a relay can meet the Rear Fog Lamp control relay that Rear Fog Lamp control logic requires.
For achieving the above object, the technical solution used in the present invention is: a kind of Rear Fog Lamp control relay, comprising:
Rear Fog Lamp relay, the normally opened contact of described Rear Fog Lamp relay is connected between power supply terminal and Rear Fog Lamp binding post;
T ' trigger;
The second switch pipe of high level conducting, and the coil of described Rear Fog Lamp relay is connected between described power supply terminal and earth terminal, and the control end of described second switch pipe is connected with the output of described T ' trigger;
Clock circuit, comprise the first switching tube of low level conducting, be the 3rd switching tube and the 4th switching tube of high level conducting, and the tenth resistance, described the first switching tube is connected between described power supply terminal and the input end of clock of described T ' trigger, the control end of described the first switching tube is connected with described power supply terminal through the 3rd resistance, and is connected with described earth terminal through the 5th electric capacity, and the hot end of described the 5th electric capacity is connected with rear fog lamp switch terminal; Described the tenth resistance and described the 3rd paralleled power switches are between described input end of clock and described earth terminal, the control end of described the 3rd switching tube is connected with described power supply terminal through the 8th resistance, described the 4th switching tube and the 11 resistance are connected in parallel between the control end and described earth terminal of described the 3rd switching tube, and the control end of described the 4th switching tube is connected with front fog lamp signal terminal and headlamp signal terminal; And,
Latching circuit, comprises the 5th switching tube of high level conducting, described the 5th switching tube and described the 4th paralleled power switches, and described the 5th control end of switching tube and the output of described T ' trigger are connected.
Preferably, described Rear Fog Lamp control relay also comprises electrify restoration circuit, described electrify restoration circuit comprises the 4th electric capacity and the 4th resistance, described the 4th electric capacity is connected between described power supply terminal and the reset terminal of described T ' trigger, and described the 4th resistance is connected between the reset terminal and described earth terminal of described T ' trigger.
Preferably, the hot end of described the 5th electric capacity is connected with described rear fog lamp switch terminal through the 5th diode.
Preferably, the input end of clock of described T ' trigger is connected with described earth terminal through the 6th electric capacity.
Preferably, the coil of described Rear Fog Lamp relay is in parallel with a fly-wheel diode.
Preferably, described front fog lamp signal terminal is connected with the control end of described the 4th switching tube through the 6th diode, and described headlamp signal terminal is connected with the control end of described the 4th switching tube through the 7th diode.
Preferably, between described front fog lamp signal terminal and described headlamp signal terminal and described earth terminal, be connected with filter circuit.
Preferably, between the control end of described the first switching tube and described the 5th electric capacity, be connected with the 5th resistance.
The object of another embodiment of the present invention is to overcome the problems referred to above that in prior art, back fog light control circuit exists, and provides a kind of and only adopts a relay can meet the back fog light control circuit that Rear Fog Lamp control logic requires.
The technical solution used in the present invention is: a kind of back fog light control circuit, comprise above-mentioned Rear Fog Lamp control relay described in any, described power supply terminal is connected with automobile ON shelves power supply terminal, described earth terminal is connected with bonding, described Rear Fog Lamp binding post is connected with bonding through Rear Fog Lamp, described rear fog lamp switch terminal is connected with bonding through rear fog lamp switch, the premenstrual fog lamp switch of described front fog lamp signal terminal is connected with automobile ON shelves power supply terminal, and described headlamp signal terminal is connected with automobile ON shelves power supply terminal through head lamp switch.
Beneficial effect of the present invention is, Rear Fog Lamp control relay of the present invention is by the design of the clock circuit to T ' trigger, utilize a Rear Fog Lamp relay to realize the Rear Fog Lamp control logic of regulation complexity in GB_4785, whole Rear Fog Lamp control relay is mainly made up of Rear Fog Lamp relay, switching circuit and an electric capacity and resistance, therefore, increase the degree of integration of Rear Fog Lamp control relay, reduce the amount of parts of car electrics, and then can reduce costs, reduce the fault point, reduce failure rate, and improve vehicle security.
Brief description of the drawings
Fig. 1 shows according to the circuit theory diagrams of a kind of execution mode of Rear Fog Lamp control relay of the present invention;
Fig. 2 shows according to the circuit theory diagrams of a kind of execution mode of back fog light control circuit of the present invention.
Description of reference numerals:
U1-T ' trigger; K1-Rear Fog Lamp relay;
D1-diode; D4-fly-wheel diode;
D2, D3-voltage-stabiliser tube; D5-the 5th diode;
D6-the 6th diode; D7-the 7th diode;
The first switching tube of T1-low level conducting; The second switch pipe of T2-high level conducting;
The 3rd switching tube of T3-high level conducting; The 4th switching tube of T4-high level conducting;
The 5th switching tube of T5-high level conducting; J31-earth terminal;
J30-power supply terminal; J57-rear fog lamp switch terminal;
J87-Rear Fog Lamp binding post; J56-headlamp signal terminal;
J55-front fog lamp signal terminal; C1~C3, C7-electric capacity;
C4-the 4th electric capacity; C5-the 5th electric capacity;
C6-the 6th electric capacity; R4-the 4th resistance;
R1, R2, R6, R7, R9, R12~R16-resistance; R10-the tenth resistance;
R11-the 11 resistance; R8-the 8th resistance;
R3-the 3rd resistance; R5-the 5th resistance;
L1-Rear Fog Lamp; S1-rear fog lamp switch;
S2-head lamp switch; S3-front fog lamp switch;
JK-Rear Fog Lamp control relay.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
As shown in Figure 1, Rear Fog Lamp control relay of the present invention comprises second switch pipe T2, clock circuit and the latching circuit of Rear Fog Lamp relay K 1, T ' trigger U1, high level conducting, and the normally opened contact of this Rear Fog Lamp relay K 1 is connected between power supply terminal J30 and Rear Fog Lamp binding post J87; The coil of second switch pipe T2 and Rear Fog Lamp relay K 1 is connected between power supply terminal J30 and earth terminal J31, the control end of second switch pipe T2 is connected with the output Q of T ' trigger U1, like this, in the time of the output Q of T ' trigger U1 output high level, the coil of Rear Fog Lamp relay K 1 obtains electric, the normally opened contact of Rear Fog Lamp relay K 1 is by closure, as shown in Figure 2, because Rear Fog Lamp L1 is connected between Rear Fog Lamp binding post J87 and bonding, therefore, in the time of the normally opened contact closure of Rear Fog Lamp relay K 1, will make Rear Fog Lamp L1 light.As can be seen here, the emphasis of the design of Rear Fog Lamp control relay of the present invention will be converted to the clock circuit that how to design T ' trigger U1, so that the output Q of T ' trigger U1 can export corresponding control signal according to the Rear Fog Lamp control logic specifying in GB_4785.
In the present invention, this clock circuit comprises the first switch transistor T 1 of low level conducting, be the 3rd switch transistor T 3 and the 4th switch transistor T 4 of high level conducting, and the tenth resistance R 10, the first switch transistor T 1 is connected between power supply terminal J30 and the input end of clock CLK of T ' trigger U1, the control end of the first switch transistor T 1 is connected with power supply terminal J30 through the 3rd resistance R 3, and be connected with earth terminal J31 through the 5th capacitor C 5, the hot end of the 5th capacitor C 5 is connected with rear fog lamp switch terminal J57, as shown in Figure 2, due to rear fog lamp switch terminal, J57 is connected with bonding through rear fog lamp switch S1, at rear fog lamp switch S1 during in off-state, the first switch transistor T 1 under the effect of the 5th capacitor C 5 in cut-off state, as long as in the time that rear fog lamp switch S1 is closed, the current potential of the control end of the first switch transistor T 1 just can be dragged down, the just meeting conducting of the first switch transistor T 1, the tenth resistance R 10 and the 3rd switch transistor T 3 are connected in parallel between input end of clock CLK and earth terminal J31, the control end of the 3rd switching tube is connected with power supply terminal J30 through the 8th resistance R 8, and the 4th switch transistor T the 4 and the 11 resistance R 11 is connected in parallel between the control end and earth terminal J31 of the 3rd switch transistor T 3, the control end of the 4th switch transistor T 4 is connected with front fog lamp signal terminal J55 and headlamp signal terminal J55, therefore, in the time that front fog lamp signal terminal J55 and headlamp signal terminal J55 all receive low level, the 4th switch transistor T 4 is ended, the conducting under the dividing potential drop effect of the 11 resistance R 11 and the 8th resistance R 8 of described the 3rd switch transistor T 3, and then the level of input end of clock CLK is dragged down, therefore, the output Q of T ' trigger U1 is not in the time that headlamp L2 and front fog lamp L3 all open (when corresponding front fog lamp signal terminal J55 and headlamp signal terminal J55 all receive low level), Rear Fog Lamp L1 cannot open, and when in front fog lamp signal terminal J55 and headlamp signal terminal J55, any receives high level, the 4th switch transistor T 4 conductings, and the current potential of the control end of the 3rd switch transistor T 3 is dragged down, and then the 3rd triode T3 is ended, now, as long as rear fog lamp switch S1 closure makes the first switch transistor T 1 conducting, clock circuit just can be to input end of clock CLK output high level under the dividing potential drop effect of the tenth resistance, and then the output Q output high level that makes T ' trigger U1 that the coil of Rear Fog Lamp relay K 1 is obtained is electric, the final Rear Fog Lamp L1 that controls lights, and now as long as rear fog lamp switch S1 disconnects, clock circuit just makes the coil losing electricity of Rear Fog Lamp relay K 1 to input end of clock CLK output low level, thereby controlling Rear Fog Lamp L1 extinguishes.As can be seen here, above-mentioned clock circuit can meet the control logic 1 and 2 specifying in GB_4785.
In order to meet the control logic 3 and 5 specifying in GB_4785, latching circuit of the present invention comprises the 5th switch transistor T 5 of high level conducting, the 5th switch transistor T 5 is in parallel with the 4th switch transistor T 4, the control end of the 5th switch transistor T 4 is connected with the output Q of T ' trigger U1, like this, between the output Q of T ' trigger U1 output high period, the 5th switch transistor T 5 is by conducting, and then can keep by the 5th switch transistor T 5 conducting state of the 3rd switch transistor T 3, and without the conducting that depends on the 4th switch transistor T 4, without relying on, in front fog lamp signal terminal J55 and headlamp signal terminal J55, any receives the condition of high level, this can be understood as in front fog lamp signal terminal J55 and headlamp signal terminal J55 any and receives high level to make the 4th switch transistor T 4 conductings be a trigger action, the state that keeps Rear Fog Lamp to light by the 5th switch transistor T 5 after triggering, until rear fog lamp switch disconnects.
As shown in Figure 2, because above-mentioned power supply terminal J30 is connected at when application and automobile ON shelves power supply terminal (be firing key is got to ON shelves and START shelves have electric power supply terminal), therefore, in the time that key switch is extracted from ignition lock, power supply terminal J30 can power-off, therefore, Rear Fog Lamp control relay of the present invention can meet the control logic 4 specifying in GB_4785.
In order to make Rear Fog Lamp control relay of the present invention can ensure reliably that in the initial condition powering on Rear Fog Lamp is in extinguishing state, and without relying on driver, the control of each switch is ensured to this kind of state, Rear Fog Lamp control relay of the present invention can also comprise electrify restoration circuit, as shown in Figure 1, this electrify restoration circuit comprises the 4th capacitor C 4 and the 4th resistance R 4, the 4th capacitor C 4 is connected between power supply terminal J30 and the reset terminal R of T ' trigger U1, the 4th resistance R 4 is connected between the reset terminal R and earth terminal J31 of T ' trigger U1, like this, insert ignition lock and be threaded to the initial time that ON shelves power on Rear Fog Lamp control relay at firing key, power supply terminal J30 will charge to capacitor C 4, now the current potential of the tie point of the reset terminal R of electrify restoration circuit and T ' trigger U1 is high level, T ' trigger U1 is resetted at the initial time that powers on, and then the output Q that ensures T ' trigger U1 is in the initial time output low level that powers on, and be not subject to the control of clock circuit, so that Rear Fog Lamp L1 reliably extinguishes because of the coil losing electricity of Rear Fog Lamp relay K 1, after capacitor C 4 has been charged, the current potential of reset terminal R reverts to low level, and now, the state of the output Q of T ' trigger U1 is subject to above-mentioned clock circuit control.
In the embodiment shown in fig. 1, above-mentioned T ' trigger U1 is realized by d type flip flop, is specially the inverse output terminal of d type flip flop link together and can obtain T ' trigger with control end D, if T ' trigger has set end S, set end S should remain low level, therefore, set end S directly can be connected with earth terminal J31.
In order to carry out the coupling of operating voltage, as shown in Figure 1, the inside of Rear Fog Lamp control relay of the present invention is also provided with the first power output end P1 and the second source output P2 that are connected with external power terminal J30, power supply terminal J30 is connected with the first power output end P1 through the diode D1 that plays clamping action, the first power output end P1 is connected with second source output P2 through current-limiting resistance, in the embodiment shown in fig. 1, except the normally opened contact of above-mentioned rear mist relay K 1 be directly connected between power supply terminal J30 and Rear Fog Lamp binding post J87, the coil of above-mentioned rear mist relay K 1 and second switch pipe J2 are specifically connected between the first power output end P1 and earth terminal J31, above-mentioned clock circuit and electrify restoration circuit are all directly to be powered by second source output P2.In order to ensure the stability of clock circuit and electrify restoration circuit, between this second source output P2 and earth terminal J31, voltage stabilizing circuit can be set.
The switching tube of above-mentioned high level conducting can be NPN type triode or N channel field-effect pipe, the switching tube of above-mentioned low level conducting can be positive-negative-positive triode or P-channel field-effect transistor (PEFT) pipe, wherein, the control end of triode is the base stage of triode, and the grid that the control end of field effect transistor is field effect transistor.
The hot end of above-mentioned the 5th capacitor C 5 can be connected with rear fog lamp switch terminal J57 through the 5th diode D5, and at this, the 5th diode D5 plays clamping action.
For the clock signal that makes clock circuit input to the input end of clock CLK of T ' trigger U1 has higher reliability, the input end of clock CLK of this T ' trigger U1 can be connected with earth terminal J31 through the 6th capacitor C 6, and the 6th capacitor C 6 has the filter action of playing.
For prevent after power supply terminal J30 power-off because of large flow cannot discharge cause after the damage of mist relay K 1, the coil of this Rear Fog Lamp relay K 1 can be in parallel with a sustained diode 4, at this, it should be apparent to those skilled in the art that, as fly-wheel diode, it should adopt the mode of Opposite direction connection, to form the Releasing loop of coil of rear mist relay K 1.
Above-mentioned front fog lamp signal terminal J55 can be connected with the control end of the 4th switch transistor T 4 through the 6th diode D6, in like manner, headlamp signal terminal J56 is connected with the control end of the 4th switch transistor T 4 through the 7th diode D7, and at this, the 6th diode D6 and the 7th diode D7 play the effect of clamper.
Between above-mentioned front fog lamp signal terminal J55 and headlamp signal terminal J56 and earth terminal J31, can be connected filter circuit, this filter circuit for example comprises the capacitor C 7 and the resistance R 16 that are connected in parallel, for the embodiment that is provided with the 6th diode D6 and the 7th diode D7, this filter circuit should be connected between the negative electrode and earth terminal J31 of the 6th diode D6 and the 7th diode D7.
In order to realize the coupling of voltage, between the control end of this first switch transistor T 1 and the 5th capacitor C 5, can be connected with the 5th resistance R 5.
As shown in Figure 1, the control end of the switching tube of above-mentioned each high level conducting should configure divider resistance conventionally as required, to ensure switching tube smooth conducting in the time receiving correspondingly high level, this belongs to technological means well known to those skilled in the art, does not repeat them here.
As shown in Figure 2, apply above-mentioned Rear Fog Lamp control relay JK, back fog light control circuit of the present invention is: power supply terminal J30 is connected with automobile ON shelves power supply terminal, earth terminal J31 is connected with bonding, Rear Fog Lamp binding post J87 is connected with bonding through Rear Fog Lamp L1, rear fog lamp switch terminal J57 is connected with bonding through rear fog lamp switch S1, the premenstrual fog lamp switch S3 of front fog lamp signal terminal J55 is connected with automobile ON shelves power supply terminal, headlamp signal terminal J56 is connected with automobile ON shelves power supply terminal through headlamp switch S 2, and then be Rear Fog Lamp control relay JK power supply by power supply terminal J30 in the time that firing key is threaded to ON shelves, form closed-loop path by earth terminal J31, receive rear fog lamp switch signal by rear fog lamp switch terminal J57, receive front fog lamp switching signal by front fog lamp signal terminal J55, receive head lamp switch signal by headlamp signal terminal J56, light or extinguish according to above-mentioned control mode control Rear Fog Lamp L1 by Rear Fog Lamp binding post J87.
Because Rear Fog Lamp control relay of the present invention is by the design of the clock circuit to T ' trigger, utilize a Rear Fog Lamp relay to realize the Rear Fog Lamp control logic of regulation complexity in GB_4785, whole Rear Fog Lamp control relay is mainly made up of Rear Fog Lamp relay, switching circuit and an electric capacity and resistance, therefore, increase the degree of integration of Rear Fog Lamp control relay, reduce the amount of parts of car electrics, and then can reduce the fault point, reduce failure rate, improve vehicle security.
Describe structure of the present invention, feature and action effect in detail according to the embodiment shown in graphic above; the foregoing is only preferred embodiment of the present invention; but the present invention does not limit practical range with shown in drawing; every change of doing according to conception of the present invention; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet specification and illustrating contain spiritual, all should be in protection scope of the present invention.

Claims (9)

1. a Rear Fog Lamp control relay, is characterized in that, comprising:
Rear Fog Lamp relay, the normally opened contact of described Rear Fog Lamp relay is connected between power supply terminal and Rear Fog Lamp binding post;
T ' trigger;
The second switch pipe of high level conducting, and the coil of described Rear Fog Lamp relay is connected between described power supply terminal and earth terminal, and the control end of described second switch pipe is connected with the output of described T ' trigger;
Clock circuit, comprise the first switching tube of low level conducting, be the 3rd switching tube and the 4th switching tube of high level conducting, and the tenth resistance, described the first switching tube is connected between described power supply terminal and the input end of clock of described T ' trigger, the control end of described the first switching tube is connected with described power supply terminal through the 3rd resistance, and is connected with described earth terminal through the 5th electric capacity, and the hot end of described the 5th electric capacity is connected with rear fog lamp switch terminal; Described the tenth resistance and described the 3rd paralleled power switches are between described input end of clock and described earth terminal, the control end of described the 3rd switching tube is connected with described power supply terminal through the 8th resistance, described the 4th switching tube and the 11 resistance are connected in parallel between the control end and described earth terminal of described the 3rd switching tube, and the control end of described the 4th switching tube is connected with front fog lamp signal terminal and headlamp signal terminal; And,
Latching circuit, comprises the 5th switching tube of high level conducting, described the 5th switching tube and described the 4th paralleled power switches, and described the 5th control end of switching tube and the output of described T ' trigger are connected.
2. Rear Fog Lamp control relay according to claim 1, it is characterized in that, described Rear Fog Lamp control relay also comprises electrify restoration circuit, described electrify restoration circuit comprises the 4th electric capacity and the 4th resistance, described the 4th electric capacity is connected between described power supply terminal and the reset terminal of described T ' trigger, and described the 4th resistance is connected between the reset terminal and described earth terminal of described T ' trigger.
3. Rear Fog Lamp control relay according to claim 1 and 2, is characterized in that, the hot end of described the 5th electric capacity is connected with described rear fog lamp switch terminal through the 5th diode.
4. Rear Fog Lamp control relay according to claim 1 and 2, is characterized in that, the input end of clock of described T ' trigger is connected with described earth terminal through the 6th electric capacity.
5. Rear Fog Lamp control relay according to claim 1 and 2, is characterized in that, the coil of described Rear Fog Lamp relay is in parallel with a fly-wheel diode.
6. Rear Fog Lamp control relay according to claim 1 and 2, it is characterized in that, described front fog lamp signal terminal is connected with the control end of described the 4th switching tube through the 6th diode, and described headlamp signal terminal is connected with the control end of described the 4th switching tube through the 7th diode.
7. Rear Fog Lamp control relay according to claim 1 and 2, is characterized in that, between described front fog lamp signal terminal and described headlamp signal terminal and described earth terminal, is connected with filter circuit.
8. Rear Fog Lamp control relay according to claim 1 and 2, is characterized in that, between the control end of described the first switching tube and described the 5th electric capacity, is connected with the 5th resistance.
9. a back fog light control circuit, it is characterized in that, comprise the Rear Fog Lamp control relay described in any one in claim 1 to 8, described power supply terminal is connected with automobile ON shelves power supply terminal, described earth terminal is connected with bonding, described Rear Fog Lamp binding post is connected with bonding through Rear Fog Lamp, described rear fog lamp switch terminal is connected with bonding through rear fog lamp switch, the premenstrual fog lamp switch of described front fog lamp signal terminal is connected with automobile ON shelves power supply terminal, and described headlamp signal terminal is connected with automobile ON shelves power supply terminal through head lamp switch.
CN201410364559.2A 2014-07-28 2014-07-28 A kind of Rear Fog Lamp control relay and back fog light control circuit Active CN104105268B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333954A (en) * 2014-11-06 2015-02-04 连德伦 Double-control multi-charge multi-purpose LED lamp
CN104333954B (en) * 2014-11-06 2017-03-29 连德伦 Multiplex LED is filled a kind of dual control more

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