CN210274610U - Developments flowing water lamp and car lamp - Google Patents
Developments flowing water lamp and car lamp Download PDFInfo
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- CN210274610U CN210274610U CN201920596405.4U CN201920596405U CN210274610U CN 210274610 U CN210274610 U CN 210274610U CN 201920596405 U CN201920596405 U CN 201920596405U CN 210274610 U CN210274610 U CN 210274610U
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Abstract
The utility model relates to the field of lamp control, and provides a dynamic water lamp and an automobile lamp, which comprises a controller, a voltage output circuit and a driving circuit, wherein the controller controls the output voltage of the voltage output circuit; the voltage output circuit comprises a power supply circuit and at least two groups of switch circuits connected with the power supply circuit, each group of switch circuits is correspondingly provided with a group of drive circuits, and the controller controls the two groups of switch circuits to be sequentially conducted; drive circuit connects the LED banks, drive circuit basis voltage output circuit's output voltage lights in proper order the LED banks, the utility model provides a developments flowing water lamp and car lamp has solved among the prior art based on the problem that the developments flowing water lamp is with high costs of chip development.
Description
Technical Field
The utility model relates to a lamp control field, concretely relates to developments flowing water lamp and car lamp.
Background
In recent two years, the functional requirements of a host factory on automobile lamps are higher and higher, and the lamps are expected to have dazzling effect while the traditional lighting or signal function is ensured, so that consumers are attracted, and the selling points of automobiles are increased. At present, the automobile gauge chip market has chips developed aiming at the dynamic running water requirement of an automobile lamp, and certain advantages are achieved in certain aspects. However, the design scheme of the automobile dynamic water lamp based on the chip is high in cost only from the aspect of circuit component cost, the dynamic water lamp based on the chip design mainly depends on software control, technical and manpower input in the aspect of software is required, research and development cost of personnel is increased, and meanwhile, the dynamic water lamp depending on the chip design needs to use more connecting wires to connect the chip with the LED lamp set, the power supply and the driving circuit.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the higher problem of cost that adopts the developments flowing water lamp based on the chip design among the prior art, provided a developments flowing water lamp, the dynamic flowing water lamp of using this kind of developments flowing water lamp preparation can save the cost.
The technical scheme of the utility model:
a dynamic water-flowing lamp comprising:
a controller which controls the voltage output circuit to output a voltage;
the voltage output circuit comprises a power supply circuit and switch circuits connected with the power supply circuit, the number of the switch circuits is at least two, each switch circuit is correspondingly provided with a group of drive circuits, and the controller controls the two groups of switch circuits to be sequentially conducted;
and the driving circuit is connected with the LED lamp groups and sequentially lights the LED lamp groups according to the output voltage of the voltage output circuit.
Further, the two sets of switch circuits are a first switch circuit and a second switch circuit respectively, the first switch circuit includes a first switch element Q1 and a resistor R3, a first pin of the first switch element Q1 is connected to the controller, a second pin of the first switch element Q1 is connected to the power supply circuit, a second pin and a third pin of the first switch element Q1 are connected to two ends of the resistor R3 respectively, and a third pin of the first switch element Q1 is grounded;
the second switch circuit comprises a second switch element Q2 and a resistor R4, wherein a first pin of the second switch element Q2 is connected with the controller, a second pin and a third pin of the second switch element Q2 are respectively connected with two ends of the resistor R4, a third pin of the second switch element Q3 is grounded, and meanwhile, the resistor R4 is connected between the resistor R3 and the ground in series.
Further, the two sets of driving circuits are respectively a first driving circuit and a second driving circuit, the first driving circuit comprises a zener diode D1 and a third switching element Q3, the cathode of the zener diode D1 is connected to the second pin of the first switching element Q1, the anode of the zener diode D1 is connected to the first pin of the third switching element Q3, the second pin of the third switching element Q3 is connected to the LED lamp set, and the third pin of the third switching element Q3 is grounded;
the second driving circuit comprises a zener diode D2 and a fourth switching element Q4, the cathode of the zener diode D2 is connected with the cathode of the zener diode D1, the anode of the zener diode D2 is connected with the first pin of the fourth switching element Q4, the second pin of the fourth switching element Q4 is connected with the LED lamp group, and the third pin of the fourth switching element Q4 is grounded.
Further, the first switching element Q1, the second switching element Q2, the third switching element Q3 and the fourth switching element Q4 are MOS transistors, the first leg is a gate, the second leg is a drain, and the third leg is a source.
Further, the power circuit comprises a power source and at least one resistor R1, the power source is connected with at least one resistor R1 in series, the power source is connected with a first end of the resistor R1, and a second end of the resistor R1 is connected with the switch circuit.
Further, the power supply adopts DC-DC.
Furthermore, the LED lamp groups are two groups and are respectively correspondingly connected with the two groups of driving circuits, and each LED lamp group comprises at least one LED lamp bead.
The LED lamp further comprises a second power supply, anodes of two groups of the LED lamp groups are respectively connected with the second power supply, a cathode of one group of the LED lamp groups is connected with the second pin of the third switching element Q3, and a cathode of the other group of the LED lamp groups is connected with the second pin of the fourth switching element Q4.
The utility model discloses an adopt the higher problem of cost based on the developments flowing water lamp of chip design among the solution prior art, provide an automobile lamp, use foretell developments flowing water lamp, can save the cost.
An automobile lamp comprises the dynamic water lamp.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the controller to output signals to control the voltage output circuit to output different voltages, controls the drive circuit to flow according to the voltage value, and further controls the LED lamp bank to realize the effect of dynamic flow;
2. the utility model discloses two connecting wires are adopted with voltage output circuit's being connected to drive circuit, have solved among the prior art based on the dynamic running water lamp of chip design need use more connecting wire with the problem that chip and LED banks, power and drive circuit carry out the connection, the utility model provides a technical scheme uses the connecting wire less, and when the circuit trouble, the circuit is easily cleared up.
Drawings
Fig. 1 is a schematic diagram of a dynamic water lamp according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a dynamic water lamp according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope of protection of the present invention.
As an embodiment of the utility model, the utility model provides a developments flowing water lamp, as shown in fig. 1, developments flowing water lamp includes the controller, voltage output circuit and drive circuit, wherein, the voltage of different volt values of controller control voltage output circuit output, voltage output circuit includes power supply circuit and the switch circuit who is connected with power supply circuit, switch circuit is two sets of at least, every switch circuit of group corresponds a set of drive circuit of configuration, two sets of switch circuit of controller control switch on in proper order, drive circuit connects the LED banks, drive circuit lights the LED banks according to voltage output circuit's output voltage order.
Further, as shown in fig. 2, the two sets of switch circuits are a first switch circuit and a second switch circuit respectively, the first switch circuit includes a first switch element Q1 and a resistor R3, a first pin of the first switch element Q1 is connected to the controller, a second pin of the first switch element Q1 is connected to the power circuit, a second pin and a third pin of the first switch element Q1 are connected to two ends of the resistor R3 respectively, and a third pin of the first switch element Q1 is grounded;
the second switch circuit comprises a second switch element Q2 and a resistor R4, wherein the first pin of the second switch element Q2 is connected with the controller, the second pin and the third pin of the second switch element Q2 are respectively connected with two ends of the resistor R4, the third pin of the second switch element Q2 is grounded, and meanwhile, the resistor R4 is connected between the resistor R3 and the ground in series.
Since there are two switching circuits in this embodiment, there are 4 kinds of signals output by the controller, as follows:
when the controller output signal is 11, it indicates that the first pin of the first switching element Q1 is at a high level, and the first pin of the second switching element Q2 is at a high level;
when the controller output signal is 10, it indicates that the first pin of the first switching element Q1 is at a high level, and the first pin of the second switching element Q2 is at a low level;
when the controller output signal is 01, it indicates that the first pin of the first switching element Q1 is at low level, and the first pin of the second switching element Q2 is at high level;
the controller output signal of 00 indicates that the first leg of the first switching element Q1 is low and the first leg of the second switching element Q2 is low.
When the controller output signal is 11, the first switching element Q1 is turned on, and the resistor R3, the resistor R4 and the second switching element Q2 are bypassed, and the voltage V at point a in fig. 2 is at this timeA1＝0；
When the controller output signal is 10, the first switching element Q1 is turned on, and the resistor R3, the resistor R4 and the second switching element Q2 are bypassed, and the voltage V at point a in fig. 2 is at this timeA2＝0；
When the controller output signal is 01, the first switching element Q1 is turned off, the third switching element Q3 is turned on, and the resistor R4 is bypassed, at which time the voltage at point a in fig. 2 is
When the controller output signal is 00, the first switching element Q1 is turned off, and the third switching element Q3 is turned off, at which time the voltage at point a in fig. 2 is
As can be seen from the above, VA4>VA3。
Further, as shown in fig. 2, the two sets of driving circuits are a first driving circuit and a second driving circuit respectively, the first driving circuit includes a zener diode D1 and a third switching element Q3, a cathode of the zener diode D1 is connected to the second pin of the first switching element Q1, an anode of the zener diode D1 is connected to the first pin of the third switching element Q3, the second pin of the third switching element Q3 is connected to the LED lamp set, and the third pin of the third switching element Q3 is grounded;
the second driving circuit comprises a zener diode D2 and a fourth switching element Q4, the cathode of the zener diode D2 is connected with the cathode of the zener diode D1, the anode of the zener diode D2 is connected with the first pin of the fourth switching element Q4, the second pin of the fourth switching element Q4 is connected with the LED lamp group, and the third pin of the fourth switching element Q4 is grounded.
To achieve sequential breakdown of the zener diode D1 and the zener diode D2 to sequentially light the LED lamp groups, the zener diode D1 has a smaller regulated value than the zener diode D2, and specifically, the zener diode D1 and the zener diode D2 have regulated values selected according to the output voltage of the voltage output circuit, for example, when the voltage at point a in fig. 2 is selected
Then the zener diode D1 selects the zener voltage of 2.4V, which is the voltage at the point A in FIG. 2
In the meantime, the zener diode D2 selects the zener value of 3.4V, and of course, the zener value of the zener diode D1 may also be selected to be larger than the zener value of the zener diode D2, so that sequential breakdown may be implemented, which is not limited thereto.
In order to make the driving circuit work better, as shown in fig. 2, the first driving circuit is further provided with a resistor R5 and a resistor R6, the resistor R5 is connected in series between the anode of the zener diode D1 and the first pin of the third switching element Q3 and plays a role of limiting current and preventing the third switching element Q3 from being damaged due to excessive current, one end of the resistor R6 is connected with the first pin of the third switching element Q3, and the other end of the resistor R6 is connected with the third pin of the third switching element Q3, so as to ensure that the first pin of the third switching element Q3 is in a cut-off state when no signal is sent;
the second driving circuit is further provided with a resistor R7 and a resistor R8, the resistor R7 is connected in series between the anode of the zener diode D2 and the first pin of the fourth switching element Q4 to play a role in limiting current and prevent the current from being overlarge to damage the fourth switching element Q4, one end of the resistor R8 is connected with the first pin of the fourth switching element Q4, and the other end of the resistor R8 is connected with the third pin of the fourth switching element Q4 to ensure that the first pin of the fourth switching element Q4 is in a cut-off state when no signal exists.
Specifically, the first switching element Q1, the second switching element Q2, the third switching element Q3 and the fourth switching element Q4 are MOS transistors, the first pin is a gate, the second pin is a drain, and the third pin is a source, but of course, the first switching element Q1, the second switching element Q2, the third switching element Q3 and the fourth switching element Q4 may also be triodes, which is not particularly limited.
Further, as shown in fig. 2, the power circuit includes a power source and at least one resistor R1, the power source is connected in series with the at least one resistor R1, the power source is connected to the first end of the resistor R1, and the second end of the resistor R1 is connected to the switch circuit.
Further, the LED lamp sets are two sets and are respectively connected with two sets of driving circuits, the two sets of LED lamp beads are respectively the first LED lamp set and the second LED lamp set, the two sets of LED lamp sets respectively include at least one LED lamp bead, as shown in fig. 2, the two sets of LED lamp sets respectively include three LED lamp beads in this embodiment, the three LED lamp beads are sequentially connected in series, of course, the LED lamp sets can also include more LED lamp beads, and these lamp beads can also adopt a parallel connection mode without limitation.
As shown in fig. 2, the dynamic water lamp provided in this embodiment further includes a second power supply, anodes of two groups of LED lamp groups are respectively connected to the second power supply, a cathode of one group of LED lamp groups is connected to the second pin of the third switching element Q3, and a cathode of the other group of LED lamp groups is connected to the second pin of the fourth switching element Q4.
In order to make the LED lamp set work better, the present embodiment further includes resistors R9 and R10, the resistor R9 is connected in series between the second pin of the third switching element Q3 and the first LED lamp set, and the resistor R10 is connected in series between the second pin of the fourth switching element Q4 and the second LED lamp set, so as to prevent the LED lamp set from being damaged by excessive current.
The working principle of the embodiment is as follows:
when the controller output signal is 11 or 10, the first switching element Q1 is turned on, the resistor R3, the resistor R4 and the second switching element Q2 are bypassed, and the voltage V at point a in fig. 2 is bypassedA＝VA1＝VA2When the current is equal to 0, the subsequent driving circuit does not work, so that the first LED lamp group is not lighted, and the second LED lamp group is not lighted;
when the controllerWhen the output signal is 01, the first switching element Q1 is turned off, the second switching element Q2 is turned on, the resistor R4 is bypassed, and the voltage at point a in fig. 2 is
Therefore, the zener diode D1 operates in a voltage stabilizing state, the third switching element Q3 is turned on, the zener diode D2 does not operate, and the fourth switching element Q4 is turned off, so that the first LED lamp group is on and the second LED lamp group is not on;
when the controller output signal is 00, the first switching element Q1 is turned off, the second switching element Q2 is turned off, and the voltage at point a in fig. 2 is zero
Therefore, the zener diode D1 and the zener diode D2 both operate in a voltage stabilizing state, and the third switching element Q3 and the fourth switching element Q4 both conduct, so that the first LED lamp group is on and the second LED lamp group is on.
Therefore, the LED lamp set can be controlled to realize the effect of the dynamic water lamp by outputting the time sequence signal through the controller.
Of course, if a plurality of groups of LED lamp groups need to be controlled to achieve the effect of the dynamic water lamp, a corresponding number of switching circuits and driving circuits are configured, and the principle is the same as that of the dynamic water lamp, which is not described in detail.
The embodiment further provides an automotive lamp, which applies the dynamic water lamp, and the difference is that:
the LED lamp bank and the driving circuit are installed on the LED lamp panel, the power output circuit and the controller are installed on the automobile driver board, the LED lamp panel and the automobile driver board are connected through two connecting wires, wherein one end of the first connecting wire is connected with a cathode of the voltage stabilizing diode D1, the other end of the first connecting wire is connected with a second pin of the first switching element Q1, one end of the second connecting wire is connected with a third pin of the third switching element Q3, and the other end of the second connecting wire is grounded.
In summary, the dynamic water lamp and the automobile lamp provided by the embodiment can reduce the manufacturing cost, can save the use of the connecting line, and are convenient for clearing the line and checking the fault when the circuit has the fault.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A dynamic water lamp, comprising:
a controller which controls the voltage output circuit to output a voltage;
the voltage output circuit comprises a power supply circuit and switch circuits connected with the power supply circuit, the number of the switch circuits is at least two, each switch circuit is correspondingly provided with a group of drive circuits, and the controller controls the two groups of switch circuits to be sequentially conducted;
and the driving circuit is connected with the LED lamp groups and sequentially lights the LED lamp groups according to the output voltage of the voltage output circuit.
2. The dynamic running water lamp according to claim 1, wherein two sets of the switch circuits are a first switch circuit and a second switch circuit, respectively, the first switch circuit comprises a first switch element Q1 and a resistor R3, a first pin of the first switch element Q1 is connected to the controller, a second pin of the first switch element Q1 is connected to the power supply circuit, a second pin and a third pin of the first switch element Q1 are connected to two ends of the resistor R3, respectively, and a third pin of the first switch element Q1 is connected to ground;
the second switch circuit comprises a second switch element Q2 and a resistor R4, wherein a first pin of the second switch element Q2 is connected with the controller, a second pin and a third pin of the second switch element Q2 are respectively connected with two ends of the resistor R4, a third pin of the second switch element Q3 is grounded, and meanwhile, the resistor R4 is connected between the resistor R3 and the ground in series.
3. The dynamic running water lamp according to claim 2, wherein the two sets of driving circuits are a first driving circuit and a second driving circuit, the first driving circuit comprises a zener diode D1 and a third switching element Q3, the cathode of the zener diode D1 is connected to the second pin of the first switching element Q1, the anode of the zener diode D1 is connected to the first pin of the third switching element Q3, the second pin of the third switching element Q3 is connected to the set of LED lamps, and the third pin of the third switching element Q3 is grounded;
the second driving circuit comprises a zener diode D2 and a fourth switching element Q4, the cathode of the zener diode D2 is connected with the cathode of the zener diode D1, the anode of the zener diode D2 is connected with the first pin of the fourth switching element Q4, the second pin of the fourth switching element Q4 is connected with the LED lamp group, and the third pin of the fourth switching element Q4 is grounded.
4. The dynamic running water lamp according to claim 3, wherein the first switching element Q1, the second switching element Q2, the third switching element Q3 and the fourth switching element Q4 are MOS transistors, the first pin is a gate, the second pin is a drain, and the third pin is a source.
5. The dynamic running water lamp of claim 1, wherein the power circuit comprises a power source and at least one resistor R1, the power source is connected in series with the at least one resistor R1, the power source is connected to a first terminal of the resistor R1, and a second terminal of the resistor R1 is connected to the switch circuit.
6. The dynamic running water lamp according to claim 5, wherein the power supply is DC-DC.
7. The dynamic water-flowing lamp according to claim 3, wherein the LED lamp sets are two groups and are respectively connected with the two groups of driving circuits correspondingly, and each LED lamp set comprises at least one LED lamp bead.
8. The dynamic water flow lamp according to claim 7, further comprising a second power supply, wherein the anodes of two sets of LED lamp sets are respectively connected to the second power supply, the cathode of one set of LED lamp sets is connected to the second pin of the third switching element Q3, and the cathode of the other set of LED lamp sets is connected to the second pin of the fourth switching element Q4.
9. An automotive lamp comprising a dynamic running water lamp according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920596405.4U CN210274610U (en) | 2019-04-28 | 2019-04-28 | Developments flowing water lamp and car lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920596405.4U CN210274610U (en) | 2019-04-28 | 2019-04-28 | Developments flowing water lamp and car lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111935864A (en) * | 2019-04-28 | 2020-11-13 | 常州星宇车灯股份有限公司 | Developments flowing water lamp and car lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111935864A (en) * | 2019-04-28 | 2020-11-13 | 常州星宇车灯股份有限公司 | Developments flowing water lamp and car lamp |
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