CN215073039U - Flashing circuit of horse race lamp - Google Patents
Flashing circuit of horse race lamp Download PDFInfo
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- CN215073039U CN215073039U CN202121470344.0U CN202121470344U CN215073039U CN 215073039 U CN215073039 U CN 215073039U CN 202121470344 U CN202121470344 U CN 202121470344U CN 215073039 U CN215073039 U CN 215073039U
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Abstract
The utility model discloses a flashing circuit of a horse race lamp, which comprises a control circuit and a lighting unit; the control circuits respectively comprise a first electronic switch, a first resistor, a second resistor and a first capacitor, wherein the input end of the first electronic switch is electrically connected with a power supply after being connected with the first resistor in series, the driving end of the first electronic switch is electrically connected with the power supply after being connected with the second resistor in series, the output end of the first electronic switch is grounded, and the input end of the first electronic switch is also electrically connected with the driving end of the lighting unit and one end of the first capacitor respectively; the other end of the first capacitor of the first group is electrically connected with the driving end of the first electronic switch of the second group, the other end of the first capacitor of the second group is electrically connected with the driving end of the first electronic switch of the third group, and the other end of the first capacitor of the third group is electrically connected with the driving end of the first electronic switch of the first group. The utility model provides a horse race lamp flashing circuit realizes current I C function through oscillating circuit, reduces and reduces the dependence to I C product to reduce cost.
Description
Technical Field
The utility model belongs to the technical field of the lighting technology and specifically relates to a horse race lamp scintillation circuit is related to.
Background
The existing LED lamp strip horse race lamp flashing circuit mainly comprises an IC, a triode, a chip resistor and a voltage stabilizing diode. And the IC controls the LED flickering effect, and the IC flickering effect is written by a program. At present, the manufacturing cost of the LED light bar marquee is continuously increased due to the shortage and price-rising factors of the IC domestic and foreign markets.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a horse race lamp scintillation circuit realizes current IC function through oscillating circuit, reduces and reduces the reliance to the IC product to reduce cost.
The utility model discloses a technical scheme that horse race lamp scintillation circuit adopted is:
a ticker circuit comprises at least three groups of control circuits and at least three groups of lighting units; the three groups of control circuits respectively comprise a first electronic switch, a first resistor, a second resistor and a first capacitor, wherein the input end of the first electronic switch is connected with the first resistor in series and then is electrically connected with a power supply, the drive end of the first electronic switch is connected with the second resistor in series and then is electrically connected with the power supply, the output end of the first electronic switch is grounded, and the input end of the first electronic switch is also electrically connected with the drive end of the lighting unit and one end of the first capacitor respectively; the other end of the first capacitor of the first group of control circuits is electrically connected with the driving end of the first electronic switch of the second group of control circuits, the other end of the first capacitor of the second group of control circuits is electrically connected with the driving end of the first electronic switch of the third group of control circuits, and the other end of the first capacitor of the third group of control circuits is electrically connected with the driving end of the first electronic switch of the first group of control circuits.
Preferably, the lighting unit includes a second electronic switch and an LED lamp, a driving end of the second electronic switch is electrically connected to an input end of the first electronic switch, an input end of the second electronic switch is connected in series to the LED lamp and electrically connected to a power supply, and an output end of the second electronic switch is grounded.
Preferably, the lighting unit further includes a third resistor, and the driving terminal of the second electronic switch is electrically connected to the input terminal of the first electronic switch after being connected in series with the third resistor.
Preferably, the control circuit further comprises a voltage stabilizing diode and a fourth resistor, wherein the anode of the voltage stabilizing diode is grounded, the cathode of the voltage stabilizing diode is connected with the fourth resistor in series and then is electrically connected with a power supply, and the cathode of the voltage stabilizing diode is used as a power supply end and is also electrically connected with the first resistor and the second resistor of each group of control circuits respectively.
The utility model discloses a horse race lamp flashing circuit's beneficial effect is: when an external power source is applied to the circuit, the first electronic switch of one of the three sets of control circuits is necessarily turned on first, and the first electronic switch of the first set of control circuits is taken as an example for explanation. At this time, the lighting unit driven by the first group of control circuits is lighted, and as the first electronic switch of the first group of control circuits is turned on, the voltage at the input end of the first electronic switch is reduced, so that the voltage at the left end of the first capacitor of the first group of control circuits is reduced to be close to 0V. At this time, the driving terminal of the first electronic switch of the second group control circuit is also pulled to approximately 0V to be turned off, so that the lighting unit driven by the second group control circuit is turned off. At this time, the first capacitor of the second group of control circuits is charged and the voltage of the driving end of the first electronic switch of the third group of control circuits is increased and is also rapidly conducted, so that the lighting unit driven by the third group of control circuits is lightened. Since the first electronic switch of the third group of control circuits is turned on, the voltage at the input end of the first electronic switch is reduced, so that the voltage at the left end of the first capacitor of the first group of control circuits is reduced to be close to 0V. At this time, the driving terminal of the first electronic switch of the first group control circuit is also pulled to approximately 0V to be turned off, so that the lighting unit driven by the first group control circuit is turned off. At this time, the first capacitor of the first group of control circuits is charged and the voltage of the driving end of the first electronic switch of the second group of control circuits is increased and is also rapidly conducted, so that the lighting unit driven by the second group of control circuits is lightened. Then, the circuit cycles according to the above-mentioned process, the three groups of lighting units will be lighted in turn, and the cycle flickers to achieve the effect of flowing display. The existing IC function is realized through the oscillating circuit consisting of the first electronic switch, the first resistor, the second resistor and the first capacitor, and the dependence on IC products is reduced, so that the cost is reduced.
Drawings
Fig. 1 is a schematic circuit diagram of the flashing circuit of the horse race lamp of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1, the ticker circuit includes at least three sets of control circuits and at least three sets of lighting units;
and the three groups of control circuits respectively comprise a first electronic switch, a first resistor, a second resistor and a first capacitor. The input end of the first electronic switch is connected with the first resistor in series and then electrically connected with the power supply, the driving end of the first electronic switch is connected with the second resistor in series and then electrically connected with the power supply, and the output end of the first electronic switch is grounded. The input end of the first electronic switch is also electrically connected with the driving end of the lighting unit and one end of the first capacitor respectively.
The other end of the first capacitor of the first group of control circuits is electrically connected with the driving end of the first electronic switch of the second group of control circuits, the other end of the first capacitor of the second group of control circuits is electrically connected with the driving end of the first electronic switch of the third group of control circuits, and the other end of the first capacitor of the third group of control circuits is electrically connected with the driving end of the first electronic switch of the first group of control circuits.
When an external power source is applied to the circuit, the first electronic switch of one of the three sets of control circuits is necessarily turned on first, and the first electronic switch of the first set of control circuits is taken as an example for explanation. At this time, the lighting unit driven by the first group of control circuits is lighted, and as the first electronic switch of the first group of control circuits is turned on, the voltage at the input end of the first electronic switch is reduced, so that the voltage at the left end of the first capacitor of the first group of control circuits is reduced to be close to 0V. At this time, the driving terminal of the first electronic switch of the second group control circuit is also pulled to approximately 0V to be turned off, so that the lighting unit driven by the second group control circuit is turned off. At this time, the first capacitor of the second group of control circuits is charged and the voltage of the driving end of the first electronic switch of the third group of control circuits is increased and is also rapidly conducted, so that the lighting unit driven by the third group of control circuits is lightened. Since the first electronic switch of the third group of control circuits is turned on, the voltage at the input end of the first electronic switch is reduced, so that the voltage at the left end of the first capacitor of the first group of control circuits is reduced to be close to 0V. At this time, the driving terminal of the first electronic switch of the first group control circuit is also pulled to approximately 0V to be turned off, so that the lighting unit driven by the first group control circuit is turned off. At this time, the first capacitor of the first group of control circuits is charged and the voltage of the driving end of the first electronic switch of the second group of control circuits is increased and is also rapidly conducted, so that the lighting unit driven by the second group of control circuits is lightened. Then, the circuit cycles according to the above-mentioned process, the three groups of lighting units will be lighted in turn, and the cycle flickers to achieve the effect of flowing display. The existing IC function is realized through the oscillating circuit consisting of the first electronic switch, the first resistor, the second resistor and the first capacitor, and the dependence on IC products is reduced, so that the cost is reduced.
In this embodiment, after the first electronic switch of the first group of control circuits is turned on, the first electronic switch of the second group of control circuits is turned off, and after the first electronic switch of the second group of control circuits is turned on, the first electronic switch of the third group of control circuits is turned off, and after the first electronic switch of the third group of control circuits is turned on, the first electronic switch of the first group of control circuits is turned off. Then three groups of lighting units are respectively driven by three groups of control circuits, so that the effect of sequentially lightening the marquee is achieved.
In this embodiment, the first electronic switch, the first resistor, the second resistor, and the first capacitor of the first group of control circuits are respectively a transistor Q1, a resistor R3, a resistor R2, and a capacitor C2, the first electronic switch, the first resistor, the second resistor, and the first capacitor of the second group of control circuits are respectively a transistor Q3, a resistor R6, a resistor R5, and a capacitor C3, and the first electronic switch, the first resistor, the second resistor, and the first capacitor of the third group of control circuits are respectively a transistor Q5, a resistor R9, a resistor R8, and a capacitor C1.
In this embodiment, the control unit may drive the lighting unit to be turned on, or may drive the lighting unit to be turned off, and specifically, the lighting unit includes a second electronic switch and an LED lamp, a driving end of the second electronic switch is electrically connected to an input end of the first electronic switch, an input end of the second electronic switch is electrically connected to the power supply in series with the LED lamp, and an output end of the second electronic switch is grounded. Furthermore, the lighting unit further comprises a third resistor, and the driving end of the second electronic switch is electrically connected with the input end of the first electronic switch after being connected with the third resistor in series. Specifically, the LED lamp may be a single light emitting diode, or may be a plurality of light emitting diodes connected in parallel or in series. The second electronic switch of the first group of lighting units is transistor Q2, the second electronic switch of the second group of lighting units is transistor Q4, and the second electronic switch of the third group of lighting units is transistor Q6.
In this embodiment, the ticker circuit further includes a zener diode D1 and a fourth resistor R1, the anode of the zener diode D1 is grounded, the cathode of the zener diode D1 is electrically connected to the power supply after being connected in series with the fourth resistor R1, and the cathode of the zener diode D1 is used as a power supply terminal and is further electrically connected to the first resistor and the second resistor of each group of control circuits respectively. The voltage and current stability of the circuit is protected by a four-resistor R1 and a voltage stabilizing diode D1, and the negative electrode of the voltage stabilizing diode D1 is connected with the power supply end of each group of control units respectively.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. A ticker circuit, comprising at least three groups of control circuits and at least three groups of lighting units;
the three groups of control circuits respectively comprise a first electronic switch, a first resistor, a second resistor and a first capacitor, wherein the input end of the first electronic switch is connected with the first resistor in series and then is electrically connected with a power supply, the drive end of the first electronic switch is connected with the second resistor in series and then is electrically connected with the power supply, the output end of the first electronic switch is grounded, and the input end of the first electronic switch is also electrically connected with the drive end of the lighting unit and one end of the first capacitor respectively;
the other end of the first capacitor of the first group of control circuits is electrically connected with the driving end of the first electronic switch of the second group of control circuits, the other end of the first capacitor of the second group of control circuits is electrically connected with the driving end of the first electronic switch of the third group of control circuits, and the other end of the first capacitor of the third group of control circuits is electrically connected with the driving end of the first electronic switch of the first group of control circuits.
2. A ticker circuit as claimed in claim 1, wherein said lighting unit comprises a second electronic switch having a drive terminal electrically connected to an input terminal of the first electronic switch and an LED lamp, wherein the input terminal of the second electronic switch is electrically connected in series with the LED lamp and to a power supply, and wherein the output terminal of the second electronic switch is connected to ground.
3. A ticker circuit as recited in claim 2, wherein said lighting unit further comprises a third resistor, and wherein said second electronic switch has a driving terminal electrically connected to said first electronic switch in series with said third resistor.
4. The ticker circuit of claim 1, further comprising a zener diode and a fourth resistor, wherein an anode of the zener diode is grounded, a cathode of the zener diode is electrically connected to the power source after being connected in series with the fourth resistor, and a cathode of the zener diode is further electrically connected to the first resistor and the second resistor of each set of the control circuits as a power supply terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121470344.0U CN215073039U (en) | 2021-06-30 | 2021-06-30 | Flashing circuit of horse race lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121470344.0U CN215073039U (en) | 2021-06-30 | 2021-06-30 | Flashing circuit of horse race lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215073039U true CN215073039U (en) | 2021-12-07 |
Family
ID=79229832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121470344.0U Active CN215073039U (en) | 2021-06-30 | 2021-06-30 | Flashing circuit of horse race lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215073039U (en) |
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2021
- 2021-06-30 CN CN202121470344.0U patent/CN215073039U/en active Active
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