CN203438931U - Control circuit for safety warning light - Google Patents
Control circuit for safety warning light Download PDFInfo
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- CN203438931U CN203438931U CN201320448889.0U CN201320448889U CN203438931U CN 203438931 U CN203438931 U CN 203438931U CN 201320448889 U CN201320448889 U CN 201320448889U CN 203438931 U CN203438931 U CN 203438931U
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- relay
- steering
- switch
- left steering
- right steering
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Abstract
The utility model discloses a control circuit for a safety warning light. According to the conventional flash relay product, a safety warning light circuit is switched off automatically when a steering light switch needs to be switched on after a safety warning light is turned on, and a steering light works normally; the safety warning light circuit is reset automatically after steering ends. The safety warning light control circuit comprises a left steering switch, a right steering switch, a warning light switch, a flash relay, a switching-through relay, a left steering trigger control switch, a right steering trigger control switch, a first isolating diode and a second isolating diode, wherein the control end of the switching-through relay is connected with the output end of the left steering switch and the output end of the right steering switch respectively through the first isolating diode and the second isolating diode; the input end of each steering switch is connected with the anode of a power supply; the normally-closed contact of the switching-through relay is connected with the flash relay and the warning lamp switch; each steering trigger control switch is respectively connected with the steering switches and the steering lamp trigger pin and trigger level and the like of the flash relay.
Description
Technical field
The utility model relates to automobile circuit, relates in particular to a kind of for the safety warning light of automobile and the control circuit of turning indicator.
Background technology
Under heavy snow, dense fog, the special road conditions such as freezing and vehicle trouble state, travel in way and need to open safety warning light, but need to turn to while opening steering indicating light running into turnout or change track, steering indicating light is covered by safety warning light, cause other vehicles and pedestrian not to judge in time, thereby have serious potential safety hazard.
Open day is on 06 27th, 2007, publication number is that the patent documentation of CN 1986284A discloses such technical scheme, a kind of new automobile is reported to the police, turning indicator integral controller, comprise pole changer, alarm switch and control module, control module is electrically connected to pole changer and alarm switch, control module comprises a left-hand rotation lamp control circuit, one right-hand rotation lamp control circuit, one flasher relay circuit and the electric source filter circuit of giving above-mentioned each circuit supply, left-hand rotation lamp control circuit and right-hand rotation lamp control circuit are all logical operation circuit, its mouth is electrically connected to left-hand rotation lamp and right-hand rotation lamp respectively, this controller can be realized and turn to indication operation in alarm procedure.But the weak point of this technical scheme is, needs the control module of the left and right steering indicating light logical operation circuit of redesign, and electronic devices and components used are many, complex structure, affect reliability of service; Owing to can not directly using ripe existing flasher relay product, increase the cost of development of product.
Summary of the invention
The utility model main purpose is to provide a kind of security warning lamp control circuit, utilizes existing flasher relay product, after opening safety warning light, in case of needs turn to or change lane, when opening turn signal swich, the automatic cutout of security warning lamp driver, steering indicating light normal operation; After turning to end, close turn signal swich, security warning lamp driver automatically replies the work of on-state safety warning light.
The utility model is mainly solved by following technical proposals for prior art problem, a kind of security warning lamp control circuit, comprise left steering switch, right steering switch, Warning light switch and flasher relay, flasher relay is that security alarm lamp is controlled the flasher relay being integrated with steering indicating light control, also comprise switching-through relay, left steering triggers master cock, right steering triggers master cock, the first isolation diode and the second isolation diode, the control coil one termination power ground of switching-through relay, the other end is connected left steering output switching terminal and right steering output switching terminal by the first isolation diode with the second isolation diode respectively, left steering switch is connected positive source with the input end of right steering switch, one end of switching-through relay one normally closed contact connects the safety warning light control pin of flasher relay, the other end connects trigger level by Warning light switch, left steering triggers master cock and connects respectively left steering switch, flasher relay left steering lamp triggers pin and trigger level, right steering triggers master cock and connects respectively right steering switch, flasher relay right steering lamp triggers pin and trigger level, the left steering lamp output pin of flasher relay is connected respectively left steering lamp load and right steering lamp load with right steering lamp output pin.
In the technical program, adopt general two-in-one flasher relay, by setting up switching-through relay, left steering triggering master cock and right steering, trigger master cock and two isolation diodes, realize and when opening safety warning light, still there is turning indicator function.It is simple in structure, is applicable to very much installing on available circuit improvement and new car.
When needs are opened safety warning light, closed Warning light switch, trigger level puts on flasher relay safety warning light and triggers the two sudden strains of a muscle of pin realization, while needing left steering during this time, make left steering switch closed, power supply positive voltage puts on after switching-through relay control coil by the first isolation diode, and switching-through relay obtains electric normally closed contact and disconnects, and two sudden strain of a muscle functions are interrupted; Simultaneously, left steering triggers master cock and obtains electrical switch closes, trigger level puts on flasher relay left steering lamp and triggers pin, left steering lamp flicker indication vehicle left steering, turn to and finish the disconnection of left steering switch, switching-through relay dead electricity normally closed contact is closed, and left steering triggers also dead electricity disconnection of master cock, and two sudden strain of a muscle functions continue; In like manner, at Warning light open period, if need right steering, after right steering switch closure, power supply positive voltage puts on the control coil of switching-through relay by the second isolation diode, switching-through relay obtains electric normally closed contact and disconnects, two sudden strain of a muscle functions are interrupted, right steering triggers master cock and obtains electric closure, trigger level puts on flasher relay right steering lamp and triggers pin, and right steering lamp is lighted, and turns to right steering switch while finishing to disconnect, switching-through relay, right steering trigger master cock dead electricity, and two sudden strain of a muscle functions continue.
As preferably, it is relay that left steering triggers master cock, be called left steering relay, the control coil one termination power ground of left steering relay, the other end connects left steering switch, left steering relay one normal opened contact one end connects trigger level, the left steering lamp that the other end connects flasher relay triggers pin, it is relay that right steering triggers master cock, be called right steering relay, the control coil one termination power ground of right steering relay, the other end connects right steering switch, right steering relay one normal opened contact one end connects trigger level, the other end connects flasher relay right steering lamp and triggers pin.The function of the triggering master cock in this programme is to realize the conversion of flasher relay trigger level, can adopt switching transistor, also can adopt relay, because relay construction is simple, antijamming capability is strong and reliability is high, so in scheme, adopts relay as master cock.
In the flasher relay of conventional safety warning light and steering indicating light integrative control, if trigger level is Low level effective, trigger level is power supply ground; If trigger level is that high level is effective, trigger level is the high level of regulation, removes triggering master cock when high level is power line voltage, directly uses the output end voltage of pole changer to trigger.
As preferably, switching-through relay, left steering relay and right steering relay are relay for vehicles.Use automobile specified relay, such as using automobile four pin or five pin relays, to increase the reliability of control circuit.
As preferably, trigger level is power supply ground level.To be suitable for the safety warning light of most widely used low level triggering, control the flasher relay of controlling one with steering indicating light.
The beneficial effect that the utility model brings is, utilizes existing flasher relay product, and after opening safety warning light, in case of needs turn to or change lane, when opening turn signal swich, safety warning light circuit disconnects, steering indicating light normal operation; After turning to end, close turn signal swich, security warning lamp driver recovers, alarm function continues, and its circuit structure is simple, reliability is high, is applicable to existing vehicle circuit improvement or new car and installs, and saves product development and productive costs.
Accompanying drawing explanation
Fig. 1 is a kind of schematic circuit diagram of the present utility model;
Fig. 2 is the control principle drawing of a kind of HF3506 of employing type flasher relay of the present utility model.
In figure: the 1st, flasher relay, LL is left steering output switching terminal, and RR is right steering output switching terminal, and D1 is the first isolation diode, D2 is the second isolation diode, J1 is switching-through relay, and J2 is that right steering triggers master cock, and J3 is that left steering triggers master cock, K2 is Warning light switch, DD is trigger level, and HL is left steering lamp, and HR is right steering lamp.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described in detail.
Embodiment: as shown in Figure 1, the utility model is a kind of security warning lamp control circuit.Flasher relay 1 is that safety warning light is controlled the flasher relay being integrated with steering indicating light control; The control coil one termination power ground of switching-through relay J1, the other end are connected left steering output switching terminal LL and right steering output switching terminal RR by the first isolation diode D1 with the second isolation diode D2 respectively, the input end S of left steering switch and right steering switch is connected positive source (+12V), and safety warning light control pin a, the other end that normally closed contact one end of switching-through relay J1 connects flasher relay 1 connect trigger level DD (being power supply ground in this example) by Warning light K switch 2; Left steering triggers master cock J3 and adopts relay (being called left steering relay), control coil one termination power ground, the other end connect left steering output switching terminal LL, and it be power supply ground that normal opened contact one end connects this example of trigger level DD(), the left steering triggering pin c of other end connection flasher relay 1; Right steering triggers master cock J2 and adopts relay (being called right steering relay), control coil one termination power ground, the other end connect right steering output switching terminal RR, and normal opened contact one end connects trigger level DD(power supply ground), the other end right steering lamp that connects flasher relay 1 triggers pin b; The left steering lamp output pin L of flasher relay 1 is connected respectively left steering lamp HL and right steering lamp HR with right steering lamp output pin R; Power end connection+the 12V of flasher relay 1.
Switching-through relay J1, right steering trigger master cock J2 and left steering triggering master cock J3 all adopts relay for vehicle.
Figure 2 shows that the flasher relay control principle drawing that adopts HF3506 model, trigger level is Low level effective, connects in the drawings power supply ground.Normally closed contact, 15R pin connection right steering relay normally open contact, 15L pin connection left steering relay normally open contact, 30 pin connection power supply+12V, 31 pin that HF3506:HWS pin connects switching-through relay J1 connect power supply ground, R pin connects right steering lamp HR, L pin connection left steering lamp HL.
Working process be take Fig. 2 as example, and when needs are opened safety warning light, by Warning light K switch 2 closures, right steering lamp HR and left steering lamp HL be stroboscopic simultaneously; During this time, while needing left steering indication, left steering switch S-LL is closed, + 12V voltage puts on switching-through relay J1 control coil through isolation diode D1, its normally closed contact disconnects safety warning light function and interrupts, left steering relay obtains electric normal opened contact closure simultaneously, and power supply ground level puts on 15L pin and triggers left steering lamp HL stroboscopic; In like manner, during closed right steering switch S-RR ,+12V voltage puts on switching-through relay J1 by isolation diode D2, and normally closed contact disconnects safety warning function and interrupts, and right steering relay obtains power supply ground level and triggers 15R pin, right steering lamp HR stroboscopic simultaneously.
Claims (4)
1. a security warning lamp control circuit, comprise left steering switch, right steering switch, Warning light switch and flasher relay, described flasher relay is that security alarm lamp is controlled the flasher relay being integrated with steering indicating light control, it is characterized in that: also comprise switching-through relay, left steering triggers master cock, right steering triggers master cock, the first isolation diode and the second isolation diode, the control coil one termination power ground of described switching-through relay, the other end is connected left steering output switching terminal and right steering output switching terminal by described the first isolation diode with the second isolation diode respectively, described left steering switch is connected positive source with the input end of right steering switch, one end of described switching-through relay one normally closed contact connects the safety warning light control pin of flasher relay, the other end connects trigger level by described Warning light switch, described left steering triggers master cock and connects respectively left steering switch, flasher relay left steering lamp triggers pin and trigger level, described right steering triggers master cock and connects respectively right steering switch, flasher relay right steering lamp triggers pin and trigger level, the left steering lamp output pin of described flasher relay is connected respectively left steering lamp load and right steering lamp load with right steering lamp output pin.
2. a kind of security warning lamp control circuit according to claim 1, it is characterized in that: it is relay that described left steering triggers master cock, be called left steering relay, the control coil one termination power ground of described left steering relay, the other end connects left steering switch, described left steering relay one normal opened contact one end connects trigger level, the left steering lamp that the other end connects flasher relay triggers pin, it is relay that described right steering triggers master cock, be called right steering relay, the control coil one termination power ground of described right steering relay, the other end connects right steering switch, described right steering relay one normal opened contact one end connects trigger level, the other end connects flasher relay right steering lamp and triggers pin.
3. a kind of security warning lamp control circuit according to claim 2, is characterized in that: described switching-through relay, left steering relay and right steering relay are relay for vehicles.
4. a kind of security warning lamp control circuit according to claim 1, is characterized in that: described trigger level is power supply ground level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448889.0U CN203438931U (en) | 2013-07-26 | 2013-07-26 | Control circuit for safety warning light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448889.0U CN203438931U (en) | 2013-07-26 | 2013-07-26 | Control circuit for safety warning light |
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| Publication Number | Publication Date |
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| CN203438931U true CN203438931U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320448889.0U Expired - Fee Related CN203438931U (en) | 2013-07-26 | 2013-07-26 | Control circuit for safety warning light |
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| CN (1) | CN203438931U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175949A (en) * | 2014-08-27 | 2014-12-03 | 重庆长安汽车股份有限公司 | Control circuit for automobile steering signal lamp and emergency lamp |
| CN112333896A (en) * | 2020-11-19 | 2021-02-05 | 广东机电职业技术学院 | New energy automobile indicator light control circuit |
| CN112356769A (en) * | 2020-11-19 | 2021-02-12 | 广东轻工职业技术学院 | Light control circuit of motor vehicle steering lamp |
| CN112373384A (en) * | 2020-11-19 | 2021-02-19 | 广东轻工职业技术学院 | Intelligent steering control circuit of pure electric vehicle |
| CN113233130A (en) * | 2021-04-13 | 2021-08-10 | 四川省自贡运输机械集团股份有限公司 | Protection device alarm system and belt conveyor |
-
2013
- 2013-07-26 CN CN201320448889.0U patent/CN203438931U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175949A (en) * | 2014-08-27 | 2014-12-03 | 重庆长安汽车股份有限公司 | Control circuit for automobile steering signal lamp and emergency lamp |
| CN104175949B (en) * | 2014-08-27 | 2016-03-02 | 重庆长安汽车股份有限公司 | The control circuit of automobile turn signal lamp and emergency light |
| CN112333896A (en) * | 2020-11-19 | 2021-02-05 | 广东机电职业技术学院 | New energy automobile indicator light control circuit |
| CN112356769A (en) * | 2020-11-19 | 2021-02-12 | 广东轻工职业技术学院 | Light control circuit of motor vehicle steering lamp |
| CN112373384A (en) * | 2020-11-19 | 2021-02-19 | 广东轻工职业技术学院 | Intelligent steering control circuit of pure electric vehicle |
| CN113233130A (en) * | 2021-04-13 | 2021-08-10 | 四川省自贡运输机械集团股份有限公司 | Protection device alarm system and belt conveyor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20170726 |