CN205071390U - Stop lamp power measurement safety warning control circuit and car - Google Patents
Stop lamp power measurement safety warning control circuit and car Download PDFInfo
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- CN205071390U CN205071390U CN201520807394.1U CN201520807394U CN205071390U CN 205071390 U CN205071390 U CN 205071390U CN 201520807394 U CN201520807394 U CN 201520807394U CN 205071390 U CN205071390 U CN 205071390U
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- brake lamp
- control circuit
- power measurement
- warning control
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Abstract
The utility model provides a stop lamp power measurement safety warning control circuit and car relates to car safety warning field, has solved the safety warning control problem of stop lamp among the prior art. This circuit includes: the stop lamp circuit, with electric first resistance and the second resistance of being connected of stop lamp circuit, first resistance and the 2nd series resistance, third resistance with the 2nd series resistance, relay with a series resistance, and the control unit, the control unit has first link, second link to and be used for exporting the output of stop lamp state, wherein, first link is connected with the relay, the second link is connected between second resistance and third resistance. The utility model discloses a four states of stop lamp can be judged to the scheme to judge the stop lamp and whether normally work, remind trouble information through output stop lamp state to the driver.
Description
Technical field
The utility model relates to security warning field, refers to a kind of Brake lamp power measurement security warning control circuit especially.
Background technology
Brake lamp is as the vitals of automobile, extremely important to the driving safety of automobile.Brake lamp is generally arranged on the afterbody of automobile, and whether driver breaks down to it is difficult to accomplish timely monitoring, so that there is certain potential safety hazard.Therefore, the state of brake monitoring lamp, reminds Brake lamp fault to driver in time, ensures that ride safety of automobile is just even more important.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of Brake lamp power measurement security warning control circuit that can solve the security warning control problem of Brake lamp.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is as follows:
A kind of Brake lamp power measurement security warning control circuit, comprising:
Brake light circuit;
The first resistance be electrically connected with described brake light circuit and the second resistance; Described first resistance and the second resistant series;
With the 3rd resistance of described second resistant series;
With the relay of described first resistant series; And
Control unit, described control unit has the first link, the second link, and for exporting the output of Brake lamp state;
Wherein, described first link is connected with described relay; Described second link is connected between described second resistance and the 3rd resistance.
Wherein, described second link passes through collection of simulant signal connection between described second resistance and the 3rd resistance.
Wherein, described brake light circuit comprises: the first Brake lamp in parallel and the second Brake lamp.
Wherein, one end ground connection after described first Brake lamp and the second Brake lamp parallel connection, the other end is connected with described first resistance and the second resistance respectively.
Wherein, described collection of simulant signal circuit described first Brake lamp and the second Brake lamp all in running order time, there is the first performance number;
Described collection of simulant signal circuit when any one is in running order in described first Brake lamp and the second Brake lamp, has the second performance number;
Described collection of simulant signal circuit, when described first Brake lamp and the second Brake lamp open circuit, has the 3rd performance number;
Described collection of simulant signal circuit, when described first Brake lamp and the second Brake lamp short circuit, has the 4th performance number;
Wherein, the 3rd performance number > second performance number > first performance number > the 4th performance number.
Wherein, the resistance of described first resistance is greater than the resistance of the second resistance, and the resistance of described first resistance is greater than the resistance of the 3rd resistance.
Wherein, Brake lamp power measurement security warning control circuit also comprises: the power supply be connected with described relay.
Wherein, one end of described 3rd resistance is connected with the second resistance, other end ground connection.
Embodiment of the present utility model also provides a kind of automobile, comprises Brake lamp power measurement security warning control circuit as above.
The beneficial effect of technique scheme of the present utility model is as follows:
In such scheme, by judging that the performance number of collection of simulant signal circuit just can judge the one of four states of Brake lamp, thus judging whether Brake lamp normally works, exporting Brake lamp state by output and reminding fault message to driver.Control circuit figure is clear, directly perceived, and circuit attended operation is simple.
Accompanying drawing explanation
Fig. 1 is that Brake lamp of the present utility model controls and monitoring schematic diagram.
Description of reference numerals:
1-output; 2-first Brake lamp; 3-second Brake lamp; 4-collection of simulant signal circuit; 5-control unit; 6-first resistance; 7-second resistance; 8-the 3rd resistance; 9-power supply; 10-relay.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model is difficult to accomplish the problem of monitoring in time provide a kind of Brake lamp power measurement security warning control circuit for Brake lamp driver of whether breaking down.
As shown in Figure 1, embodiment of the present utility model provides a kind of Brake lamp power measurement security warning control circuit, and this control circuit comprises: brake light circuit;
This brake light circuit comprises: the first Brake lamp 2 and the second Brake lamp 3 in parallel; Wherein, described first Brake lamp 2 and the second Brake lamp 3 rear one end in parallel ground connection, the other end is connected with described first resistance 6 and the second resistance 7 respectively;
This control circuit also comprises: the first resistance 6 and the second resistance 7 be electrically connected with described brake light circuit; Wherein, described first resistance 6 and the second resistance 7 are connected;
This control circuit also comprises: the 3rd resistance 8 of connecting with described second resistance 7; Preferably, the resistance of described first resistance 6 is greater than the resistance of the second resistance 7, and the resistance of the first resistance 6 is greater than the resistance of the 3rd resistance 8; That is, this first resistance 6 is high-power resistance, and the second resistance 7 and the 3rd resistance 8 are common resistance;
This control circuit also comprises: the relay 10 of connecting with described first resistance 6 and control unit 5; Wherein, described control unit 5 has the first link, the second link and the output 1 for exporting Brake lamp state;
Wherein, described first link is connected with described relay 10; Described second link is connected between described second resistance 7 and the 3rd resistance 8, and preferably, described second link is connected between described second resistance 7 and the 3rd resistance 8 by collection of simulant signal circuit 4.
In this control circuit, described relay 10 is also connected with a power supply 9.This control circuit operationally, described collection of simulant signal circuit 4 described first Brake lamp 2 and the second Brake lamp 3 all in running order time, there is the first performance number;
Described collection of simulant signal circuit 4 when any one is in running order in described first Brake lamp 2 and the second Brake lamp 3, has the second performance number;
Described collection of simulant signal circuit 4, when described first Brake lamp 2 and the second Brake lamp 3 open circuit, has the 3rd performance number;
Described collection of simulant signal circuit 4, when described first Brake lamp 2 and the second Brake lamp 3 short circuit, has the 4th performance number;
Wherein, the 3rd performance number > second performance number > first performance number > the 4th performance number.
As shown in Figure 1, Brake lamp is controlled by control unit 5, and BAT is automobile power source 9, K1 is relay 10 or other power supply output devices, and R1 is high-power resistance 6, R2 and R3 is conventional, electric-resistance.K1 is after Brake lamp output supply voltage, normally light at Brake lamp, Brake lamp only light one (damage), two Brake lamp open circuits and Brake lamp short circuit, the value that collection of simulant signal circuit AD1 is corresponding is respectively A, B, C and D, these values have notable difference, value size is C>B>A>D, therefore by judging that the value of AD1 can judge the above one of four states of Brake lamp, thus judge whether Brake lamp normally works.
Control unit 5 exports Brake lamp state by CAN, can normally to work when only having a Brake lamp or when Brake lamp short circuit or two Brake lamps damage (open circuit), the Brake lamp state that vehicle can export according to CAN remind fault message to driver.
Embodiment of the present utility model also provides a kind of automobile, comprises Brake lamp power measurement security warning control circuit as above.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. a Brake lamp power measurement security warning control circuit, comprising: brake light circuit; It is characterized in that, also comprise:
The first resistance (6) be electrically connected with described brake light circuit and the second resistance (7); Described first resistance (6) and the second resistance (7) series connection;
3rd resistance (8) of connecting with described second resistance (7);
The relay (10) of connecting with described first resistance (6); And
Control unit (5), described control unit (5) has the first link, the second link, and the output (1) for exporting Brake lamp state;
Wherein, described first link is connected with described relay (10); Described second link is connected between described second resistance (7) and the 3rd resistance (8).
2. Brake lamp power measurement security warning control circuit according to claim 1, it is characterized in that, described second link is connected between described second resistance (7) and the 3rd resistance (8) by collection of simulant signal circuit (4).
3. Brake lamp power measurement security warning control circuit according to claim 2, it is characterized in that, described brake light circuit comprises: the first Brake lamp (2) in parallel and the second Brake lamp (3).
4. Brake lamp power measurement security warning control circuit according to claim 3, it is characterized in that, described first Brake lamp (2) and the second Brake lamp (3) rear one end in parallel ground connection, the other end is connected with described first resistance (6) and the second resistance (7) respectively.
5. Brake lamp power measurement security warning control circuit according to claim 3, it is characterized in that, described collection of simulant signal circuit (4) described first Brake lamp (2) and the second Brake lamp (3) all in running order time, there is the first performance number;
Described collection of simulant signal circuit (4) when any one is in running order in described first Brake lamp (2) and the second Brake lamp (3), has the second performance number;
Described collection of simulant signal circuit (4), when described first Brake lamp (2) and the second Brake lamp (3) open circuit, has the 3rd performance number;
Described collection of simulant signal circuit (4), when described first Brake lamp (2) and the second Brake lamp (3) short circuit, has the 4th performance number;
Wherein, the 3rd performance number > second performance number > first performance number > the 4th performance number.
6. Brake lamp power measurement security warning control circuit according to claim 1, it is characterized in that, the resistance of described first resistance (6) is greater than the resistance of the second resistance (7), and the resistance of described first resistance (6) is greater than the resistance of the 3rd resistance (8).
7. Brake lamp power measurement security warning control circuit according to claim 1, is characterized in that, also comprise: the power supply (9) be connected with described relay (10).
8. Brake lamp power measurement security warning control circuit according to claim 1, is characterized in that, one end of described 3rd resistance (8) is connected with the second resistance (7), other end ground connection.
9. an automobile, is characterized in that, comprises the Brake lamp power measurement security warning control circuit as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807394.1U CN205071390U (en) | 2015-10-19 | 2015-10-19 | Stop lamp power measurement safety warning control circuit and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807394.1U CN205071390U (en) | 2015-10-19 | 2015-10-19 | Stop lamp power measurement safety warning control circuit and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205071390U true CN205071390U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807394.1U Active CN205071390U (en) | 2015-10-19 | 2015-10-19 | Stop lamp power measurement safety warning control circuit and car |
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| CN (1) | CN205071390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111903193A (en) * | 2018-03-28 | 2020-11-06 | 株式会社小糸制作所 | Lighting circuit and vehicle lamp |
-
2015
- 2015-10-19 CN CN201520807394.1U patent/CN205071390U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111903193A (en) * | 2018-03-28 | 2020-11-06 | 株式会社小糸制作所 | Lighting circuit and vehicle lamp |
| US11382194B2 (en) | 2018-03-28 | 2022-07-05 | Koito Manufacturing Co., Ltd. | Lighting circuit |
| CN111903193B (en) * | 2018-03-28 | 2024-02-06 | 株式会社小糸制作所 | Lighting circuit and vehicle lamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |