CN215042717U - Auxiliary indicating device for automobile driving - Google Patents

Abstract

The utility model discloses an auxiliary indicating device for automobile driving, which comprises a bracket, a lampshade, a circuit board and a cover plate; the support and the cover plate are connected to form a cavity in the inner part, a circuit board and a lampshade are arranged in the cavity, and the lampshade covers the circuit board; the circuit board comprises a power supply module, a signal processing module, a night control module and a connector J1; the connector J1 is respectively and electrically connected with the power supply module, the signal processing module and the night control module. The utility model discloses a car driving assists indicating device simple structure, convenient to use sets up through power module, signal processing module and control module cooperation night, has realized providing light warning when driver's both hands break away from the steering wheel, has improved the security of driving the in-process.

Description

Auxiliary indicating device for automobile driving

Technical Field

The utility model relates to the field of automotive technology, concretely relates to automobile driving assists indicating device.

Background

When the driver is in dangerous driving, the ADAS driving auxiliary system indicator lamp gives corresponding light prompt to the driver; in most of the existing vehicle models on the market, when a driver drives dangerously with hands separated from a steering wheel, the automobile does not give a danger prompt.

Based on the circumstances, the utility model provides a car driving assists indicating device can effectively solve above one kind or multiple problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car driving assists indicating device. The utility model discloses a car driving assists indicating device simple structure, convenient to use sets up through power module, signal processing module and control module cooperation night, has realized providing light warning when driver's both hands break away from the steering wheel, has improved the security of driving the in-process.

The utility model discloses a following technical scheme realizes:

an auxiliary indicating device for automobile driving comprises a bracket, a lampshade, a circuit board and a cover plate; the support and the cover plate are connected to form a cavity in the inner part, a circuit board and a lampshade are arranged in the cavity, and the lampshade covers the circuit board;

the circuit board comprises a power supply module, a signal processing module, a night control module and a connector J1; the connector J1 is respectively and electrically connected with the power supply module, the signal processing module and the night control module.

An object of the utility model is to provide a car driving assists indicating device. The utility model discloses a car driving assists indicating device simple structure, convenient to use sets up through power module, signal processing module and control module cooperation night, has realized providing light warning when driver's both hands break away from the steering wheel, has improved the security of driving the in-process.

Preferably, the lamp shade is internally provided with uniform light particles.

Preferably, the bracket and the cover plate are connected by a screw.

Preferably, the power module includes a first diode D1, a first bidirectional TVS transistor T1, a first inductor L1, a first capacitor C1, and a second capacitor C2;

one end of the first bidirectional TVS tube T1 is electrically connected with the anode of the first diode D1, the cathode of the first diode D1 is electrically connected with one end of the first inductor L1 and one end of the first capacitor C1 respectively, the other end of the first inductor L1 is electrically connected with one end of the second capacitor C2, and the other end of the second capacitor C2 is electrically connected with the other ends of the first capacitor C1 and the first bidirectional TVS tube T1 respectively.

Preferably, the signal processing module includes a first zener diode ZD1, a second zener diode ZD2, a first light emitting diode LED1, a second light emitting diode LED2, a third light emitting diode LED3, a fourth light emitting diode LED4, a fifth light emitting diode LED5, a sixth light emitting diode LED6, a seventh light emitting diode LED7, an eighth light emitting diode LED8, a second diode D8, a third diode D8, a first NPN triode Q8, a second bidirectional TVS tube T8, a third capacitor C8, a fourth capacitor C8, a first resistor R8, a second resistor R8, a third resistor R8, a fourth resistor R8, a fifth resistor R8, a sixth resistor R8, a seventh resistor R8, an eighth resistor R8, a ninth resistor R8, an eleventh resistor R8, a twelfth resistor R8, and a twelfth resistor R8;

the cathode of the second diode D2 is respectively electrically connected with one end of a third capacitor C3, one end of a second bidirectional TVS tube T2 and one end of a ninth resistor R9, the other end of the second bidirectional TVS tube T2 is electrically connected with the other end of a third capacitor C3, the other end of the ninth resistor R9 is electrically connected with the cathode of a first zener diode ZD1, the anode of the first zener diode ZD1 is respectively electrically connected with one end of a tenth resistor R10 and the base of a first NPN triode Q1, the emitter of the first NPN triode Q1 is electrically connected with the other end of a tenth resistor R10, the first resistor R1, the second resistor R2, the first light emitting diode LED1 and the second light emitting diode LED2 are sequentially connected in series, the third resistor R3, the fourth resistor R4, the third light emitting diode LED3 and the fourth light emitting diode LED4 are sequentially connected in series, the fifth resistor R5, the sixth resistor R6, the fifth light emitting diode R87458 and the sixth light emitting diode 6 are sequentially connected in series, the seventh resistor R7, the eighth resistor R8, the seventh light emitting diode LED7 and the eighth light emitting diode LED8 are connected in series in sequence, the third resistor R3 is electrically connected with the fifth resistor R5, the collector of the first NPN transistor Q1 is electrically connected with the second LED2, the collector of the second NPN transistor Q2 is electrically connected to the eighth light emitting diode LED8, an emitter of the second NPN transistor Q2 is electrically connected to one end of the twelfth resistor R12, the base electrode of the second NPN triode Q2 is respectively electrically connected to the other end of the twelfth resistor R12 and the anode of the second zener diode ZD2, the cathode of the second zener diode ZD2 is electrically connected to one end of an eleventh resistor R11, the other end of the eleventh resistor R11 is electrically connected to one end of a third diode D3, a fourth capacitor C4 and a third bidirectional TVS transistor T3, and the other end of the third bidirectional TVS transistor T3 is electrically connected to the other end of the fourth capacitor C4.

Preferably, the night control module includes a fourth bidirectional TVS transistor T4, a third zener diode ZD3, a fourth diode D4, a fifth diode D5, a sixth diode D6, a third NPN triode Q3, a fourth NPN triode Q4, a fifth PNP triode Q5, a fifth capacitor C5, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-third resistor R23, a twenty-fourth resistor R24, a twenty-fifth resistor R25, a twenty-sixth resistor R26, and a twenty-seventh resistor R27;

a cathode of the fourth diode D4 is electrically connected to one end of a fifth capacitor C5, one end of a fourth bidirectional TVS transistor T4, and one end of a thirteenth resistor R13, another end of the fourth bidirectional TVS transistor T4 is electrically connected to another end of a fifth capacitor C5, another end of the thirteenth resistor R13 is electrically connected to a cathode of a third zener diode ZD3, an anode of the third zener diode ZD3 is electrically connected to one end of a fourteenth resistor R14 and a base of a third NPN triode Q3, an emitter of the third NPN triode Q3 is electrically connected to another end of the fourteenth resistor R14, a collector of the third NPN triode Q3 is electrically connected to one end of a fifteenth resistor R15, another end of the fifteenth resistor R15 is electrically connected to one end of a sixteenth resistor R16, one end of a seventeenth resistor R17, and a base of a fourth NPN triode Q4, and the sixteenth resistor R539r 16 is electrically connected to cathodes of the fifth diode D5 and the sixth diode D6, an emitter of the fourth NPN transistor Q4 is electrically connected to the other end of the seventeenth resistor R17, the collector of the fourth NPN transistor Q4 is electrically connected to one end of an eighteenth resistor R18, the other end of the eighteenth resistor R18 is respectively and electrically connected with one end of a nineteenth resistor R19 and the base electrode of a fifth PNP triode Q5, the emitter of the fifth PNP transistor Q5 is electrically connected to the other end of the nineteenth resistor R19, the collector of the fifth PNP triode Q5 is electrically connected to one end of the twentieth resistor R20, the twenty-second resistor R22, the twenty-fourth resistor R24, and the twenty-sixth resistor R26, the other end of the twentieth resistor R20 is electrically connected with a twenty-first resistor R21, the other end of the twenty-second resistor R22 is electrically connected with a twenty-third resistor R23, the other end of the twenty-fourth resistor R24 is electrically connected with a twenty-fifth resistor R25, and the other end of the twenty-sixth resistor R26 is electrically connected with a twenty-seventh resistor R27.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses a car driving assists indicating device simple structure, convenient to use sets up through power module, signal processing module and control module cooperation night, has realized providing light warning when driver's both hands break away from the steering wheel, has improved the security of driving the in-process.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

fig. 2 is a schematic circuit block diagram of the circuit board of the present invention;

FIG. 3 is a schematic circuit diagram of the connector of the present invention;

fig. 4 is a schematic circuit diagram of the power module of the present invention;

fig. 5 is a schematic circuit diagram of the signal processing module according to the present invention;

fig. 6 is the circuit schematic diagram of the night control module of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 6, the utility model provides an auxiliary indicating device for automobile driving, which comprises a bracket 1, a lampshade 2, a circuit board 3 and a cover plate 4; the bracket 1 and the cover plate 4 are connected to form a cavity inside, a circuit board 3 and a lampshade 2 are arranged in the cavity, and the lampshade 2 covers the circuit board 3; the lampshade 2 covers the LED lamp of the circuit board 3.

The circuit board 3 comprises a power supply module, a signal processing module, a night control module and a connector J1; the connector J1 is respectively and electrically connected with the power supply module, the signal processing module and the night control module.

Night control module can control pilot lamp reduction luminance when night, satisfies passenger's comfort level.

Example 2:

as shown in fig. 1 to 6, the utility model provides an auxiliary indicating device for automobile driving, which comprises a bracket 1, a lampshade 2, a circuit board 3 and a cover plate 4; the bracket 1 and the cover plate 4 are connected to form a cavity inside, a circuit board 3 and a lampshade 2 are arranged in the cavity, and the lampshade 2 covers the circuit board 3; the lampshade 2 covers the LED lamp of the circuit board 3.

The circuit board 3 comprises a power supply module, a signal processing module, a night control module and a connector J1; the connector J1 is respectively and electrically connected with the power supply module, the signal processing module and the night control module.

Night control module can control pilot lamp reduction luminance when night, satisfies passenger's comfort level.

Further, in another embodiment, the lamp shade 2 is provided with light homogenizing particles.

The light-emitting effect can be more uniform after the light-homogenizing particles are arranged.

Further, in another embodiment, the bracket 1 and the cover plate 4 are connected by screws 5.

Further, in another embodiment, the power module includes a first diode D1, a first bidirectional TVS transistor T1, a first inductor L1, a first capacitor C1, and a second capacitor C2;

one end of the first bidirectional TVS tube T1 is electrically connected with the anode of the first diode D1, the cathode of the first diode D1 is electrically connected with one end of the first inductor L1 and one end of the first capacitor C1 respectively, the other end of the first inductor L1 is electrically connected with one end of the second capacitor C2, and the other end of the second capacitor C2 is electrically connected with the other ends of the first capacitor C1 and the first bidirectional TVS tube T1 respectively.

The power module is connected with a vehicle body power supply through a wire harness and supplies power to the whole device, and the power module consists of a first diode D1, a first bidirectional TVS tube T1 and a filter circuit, and has the functions of reverse connection prevention protection, surge prevention protection and filtering.

Further, in another embodiment, the signal processing module includes a first zener diode ZD1, a second zener diode ZD2, a first light emitting diode LED1, a second light emitting diode LED2, a third light emitting diode LED3, a fourth light emitting diode LED4, a fifth light emitting diode LED5, a sixth light emitting diode LED6, a seventh light emitting diode LED7, an eighth light emitting diode LED8, a second diode D8, a third diode D8, a first NPN triode Q8, a second bidirectional TVS tube T8, a third capacitor C8, a fourth capacitor C8, a first resistor R8, a second resistor R8, a third resistor R8, a fourth resistor R8, a fifth resistor R8, a sixth resistor R8, a seventh resistor R8, an eighth resistor R8, a ninth resistor R8, a twelfth resistor R8;

the cathode of the second diode D2 is respectively electrically connected with one end of a third capacitor C3, one end of a second bidirectional TVS tube T2 and one end of a ninth resistor R9, the other end of the second bidirectional TVS tube T2 is electrically connected with the other end of a third capacitor C3, the other end of the ninth resistor R9 is electrically connected with the cathode of a first zener diode ZD1, the anode of the first zener diode ZD1 is respectively electrically connected with one end of a tenth resistor R10 and the base of a first NPN triode Q1, the emitter of the first NPN triode Q1 is electrically connected with the other end of a tenth resistor R10, the first resistor R1, the second resistor R2, the first light emitting diode LED1 and the second light emitting diode LED2 are sequentially connected in series, the third resistor R3, the fourth resistor R4, the third light emitting diode LED3 and the fourth light emitting diode LED4 are sequentially connected in series, the fifth resistor R5, the sixth resistor R6, the fifth light emitting diode R87458 and the sixth light emitting diode 6 are sequentially connected in series, the seventh resistor R7, the eighth resistor R8, the seventh light emitting diode LED7 and the eighth light emitting diode LED8 are connected in series in sequence, the third resistor R3 is electrically connected with the fifth resistor R5, the collector of the first NPN transistor Q1 is electrically connected with the second LED2, the collector of the second NPN transistor Q2 is electrically connected to the eighth light emitting diode LED8, an emitter of the second NPN transistor Q2 is electrically connected to one end of the twelfth resistor R12, the base electrode of the second NPN triode Q2 is respectively electrically connected to the other end of the twelfth resistor R12 and the anode of the second zener diode ZD2, the cathode of the second zener diode ZD2 is electrically connected to one end of an eleventh resistor R11, the other end of the eleventh resistor R11 is electrically connected to one end of a third diode D3, a fourth capacitor C4 and a third bidirectional TVS transistor T3, and the other end of the third bidirectional TVS transistor T3 is electrically connected to the other end of the fourth capacitor C4.

The LED module is adopted, so that the power consumption is low, the light-emitting effect is good, the LED module is composed of a red signal and a blue signal, and when the automobile body gives the red signal, the indicator lamp displays red; the indicator lamp displays blue when the vehicle body gives a blue signal.

Further, in another embodiment, the night control module includes a fourth bidirectional TVS transistor T4, a third zener diode ZD3, a fourth diode D4, a fifth diode D5, a sixth diode D6, a third NPN triode Q3, a fourth NPN triode Q4, a fifth PNP triode Q5, a fifth capacitor C5, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-third resistor R23, a twenty-fourth resistor R24, a twenty-fifth resistor R25, a twenty-sixth resistor R26, and a twenty-seventh resistor R27;

a cathode of the fourth diode D4 is electrically connected to one end of a fifth capacitor C5, one end of a fourth bidirectional TVS transistor T4, and one end of a thirteenth resistor R13, another end of the fourth bidirectional TVS transistor T4 is electrically connected to another end of a fifth capacitor C5, another end of the thirteenth resistor R13 is electrically connected to a cathode of a third zener diode ZD3, an anode of the third zener diode ZD3 is electrically connected to one end of a fourteenth resistor R14 and a base of a third NPN triode Q3, an emitter of the third NPN triode Q3 is electrically connected to another end of the fourteenth resistor R14, a collector of the third NPN triode Q3 is electrically connected to one end of a fifteenth resistor R15, another end of the fifteenth resistor R15 is electrically connected to one end of a sixteenth resistor R16, one end of a seventeenth resistor R17, and a base of a fourth NPN triode Q4, and the sixteenth resistor R539r 16 is electrically connected to cathodes of the fifth diode D5 and the sixth diode D6, an emitter of the fourth NPN transistor Q4 is electrically connected to the other end of the seventeenth resistor R17, the collector of the fourth NPN transistor Q4 is electrically connected to one end of an eighteenth resistor R18, the other end of the eighteenth resistor R18 is respectively and electrically connected with one end of a nineteenth resistor R19 and the base electrode of a fifth PNP triode Q5, the emitter of the fifth PNP transistor Q5 is electrically connected to the other end of the nineteenth resistor R19, the collector of the fifth PNP triode Q5 is electrically connected to one end of the twentieth resistor R20, the twenty-second resistor R22, the twenty-fourth resistor R24, and the twenty-sixth resistor R26, the other end of the twentieth resistor R20 is electrically connected with a twenty-first resistor R21, the other end of the twenty-second resistor R22 is electrically connected with a twenty-third resistor R23, the other end of the twenty-fourth resistor R24 is electrically connected with a twenty-fifth resistor R25, and the other end of the twenty-sixth resistor R26 is electrically connected with a twenty-seventh resistor R27.

According to the description and drawings of the present invention, it is easy for those skilled in the art to manufacture or use the present invention, and the present invention can produce the positive effects described in the present invention.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims (6)

1. An automobile driving auxiliary indicating device is characterized in that: comprises a bracket (1), a lampshade (2), a circuit board (3) and a cover plate (4); the support (1) and the cover plate (4) are connected to form a cavity in the interior, a circuit board (3) and a lampshade (2) are arranged in the cavity, and the lampshade (2) covers the circuit board (3);

the circuit board (3) comprises a power supply module, a signal processing module, a night control module and a connector J1; the connector J1 is respectively and electrically connected with the power supply module, the signal processing module and the night control module.

2. The automobile driving assistance instruction device according to claim 1, characterized in that: the lamp shade (2) is internally provided with uniform light particles.

3. The automobile driving assistance instruction device according to claim 1, characterized in that: the bracket (1) is connected with the cover plate (4) through a screw (5).

4. The automobile driving assistance instruction device according to claim 1, characterized in that: the power supply module comprises a first diode D1, a first bidirectional TVS tube T1, a first inductor L1, a first capacitor C1 and a second capacitor C2;

one end of the first bidirectional TVS tube T1 is electrically connected with the anode of the first diode D1, the cathode of the first diode D1 is electrically connected with one end of the first inductor L1 and one end of the first capacitor C1 respectively, the other end of the first inductor L1 is electrically connected with one end of the second capacitor C2, and the other end of the second capacitor C2 is electrically connected with the other ends of the first capacitor C1 and the first bidirectional TVS tube T1 respectively.

5. The automobile driving assistance instruction device according to claim 1, characterized in that: the signal processing module comprises a first voltage stabilizing diode ZD1, a second voltage stabilizing diode ZD2, a first light emitting diode LED1, a second light emitting diode LED2, a third light emitting diode LED3, a fourth light emitting diode LED4, a fifth light emitting diode LED5, a sixth light emitting diode LED6, a seventh light emitting diode LED7, an eighth light emitting diode LED8, a second diode D8, a third diode D8, a first NPN triode Q8, a second bidirectional TVS tube T8, a third capacitor C8, a fourth capacitor C8, a first resistor R8, a second resistor R8, a third resistor R8, a fourth resistor R8, a fifth resistor R8, a sixth resistor R8, a seventh resistor R8, an eighth resistor R8, a ninth resistor R8, a tenth resistor R8, an eleventh resistor R8 and a twelfth resistor R8;

the cathode of the second diode D2 is respectively electrically connected with one end of a third capacitor C3, one end of a second bidirectional TVS tube T2 and one end of a ninth resistor R9, the other end of the second bidirectional TVS tube T2 is electrically connected with the other end of a third capacitor C3, the other end of the ninth resistor R9 is electrically connected with the cathode of a first zener diode ZD1, the anode of the first zener diode ZD1 is respectively electrically connected with one end of a tenth resistor R10 and the base of a first NPN triode Q1, the emitter of the first NPN triode Q1 is electrically connected with the other end of a tenth resistor R10, the first resistor R1, the second resistor R2, the first light emitting diode LED1 and the second light emitting diode LED2 are sequentially connected in series, the third resistor R3, the fourth resistor R4, the third light emitting diode LED3 and the fourth light emitting diode LED4 are sequentially connected in series, the fifth resistor R5, the sixth resistor R6, the fifth light emitting diode R87458 and the sixth light emitting diode 6 are sequentially connected in series, the seventh resistor R7, the eighth resistor R8, the seventh light emitting diode LED7 and the eighth light emitting diode LED8 are connected in series in sequence, the third resistor R3 is electrically connected with the fifth resistor R5, the collector of the first NPN transistor Q1 is electrically connected with the second LED2, the collector of the second NPN transistor Q2 is electrically connected to the eighth light emitting diode LED8, an emitter of the second NPN transistor Q2 is electrically connected to one end of the twelfth resistor R12, the base electrode of the second NPN triode Q2 is respectively electrically connected to the other end of the twelfth resistor R12 and the anode of the second zener diode ZD2, the cathode of the second zener diode ZD2 is electrically connected to one end of an eleventh resistor R11, the other end of the eleventh resistor R11 is electrically connected to one end of a third diode D3, a fourth capacitor C4 and a third bidirectional TVS transistor T3, and the other end of the third bidirectional TVS transistor T3 is electrically connected to the other end of the fourth capacitor C4.

6. The automobile driving assistance instruction device according to claim 1, characterized in that: the night control module comprises a fourth bidirectional TVS tube T4, a third voltage-stabilizing diode ZD3, a fourth diode D4, a fifth diode D5, a sixth diode D6, a third NPN triode Q3, a fourth NPN triode Q4, a fifth PNP triode Q5, a fifth capacitor C5, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-third resistor R23, a twenty-fourth resistor R24, a twenty-fifth resistor R25, a twenty-sixth resistor R26 and a twenty-seventh resistor R27;

a cathode of the fourth diode D4 is electrically connected to one end of a fifth capacitor C5, one end of a fourth bidirectional TVS transistor T4, and one end of a thirteenth resistor R13, another end of the fourth bidirectional TVS transistor T4 is electrically connected to another end of a fifth capacitor C5, another end of the thirteenth resistor R13 is electrically connected to a cathode of a third zener diode ZD3, an anode of the third zener diode ZD3 is electrically connected to one end of a fourteenth resistor R14 and a base of a third NPN triode Q3, an emitter of the third NPN triode Q3 is electrically connected to another end of the fourteenth resistor R14, a collector of the third NPN triode Q3 is electrically connected to one end of a fifteenth resistor R15, another end of the fifteenth resistor R15 is electrically connected to one end of a sixteenth resistor R16, one end of a seventeenth resistor R17, and a base of a fourth NPN triode Q4, and the sixteenth resistor R539r 16 is electrically connected to cathodes of the fifth diode D5 and the sixth diode D6, an emitter of the fourth NPN transistor Q4 is electrically connected to the other end of the seventeenth resistor R17, the collector of the fourth NPN transistor Q4 is electrically connected to one end of an eighteenth resistor R18, the other end of the eighteenth resistor R18 is respectively and electrically connected with one end of a nineteenth resistor R19 and the base electrode of a fifth PNP triode Q5, the emitter of the fifth PNP transistor Q5 is electrically connected to the other end of the nineteenth resistor R19, the collector of the fifth PNP triode Q5 is electrically connected to one end of the twentieth resistor R20, the twenty-second resistor R22, the twenty-fourth resistor R24, and the twenty-sixth resistor R26, the other end of the twentieth resistor R20 is electrically connected with a twenty-first resistor R21, the other end of the twenty-second resistor R22 is electrically connected with a twenty-third resistor R23, the other end of the twenty-fourth resistor R24 is electrically connected with a twenty-fifth resistor R25, and the other end of the twenty-sixth resistor R26 is electrically connected with a twenty-seventh resistor R27.

Images