CN215379294U - Working lamp and driving circuit thereof - Google Patents
Working lamp and driving circuit thereof Download PDFInfo
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- CN215379294U CN215379294U CN202120246410.XU CN202120246410U CN215379294U CN 215379294 U CN215379294 U CN 215379294U CN 202120246410 U CN202120246410 U CN 202120246410U CN 215379294 U CN215379294 U CN 215379294U
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Abstract
The utility model provides a working lamp and a driving circuit thereof, comprising: a controller; the lamp body driving loop is electrically connected with the output end of the controller, and the output end of the lamp body driving loop is used for connecting the lamp body; the boost charging circuit and the buck charging circuit are electrically connected with the controller; the energy storage unit is electrically connected with the output end of the boosting charging loop and the output end of the voltage-reducing charging loop; and the key module is electrically connected with the input end of the controller, so that the problem that the power supply of the existing working lamp is inconvenient is solved.
Description
Technical Field
The utility model relates to the technical field of lighting equipment, in particular to a working lamp and a driving circuit thereof.
Background
At present, the lamp body with the bracket is widely used in various places such as markets, factory workshops, supermarkets, office buildings, parking lots and the like due to small and exquisite whole body, simple structure, convenient installation and high light intensity. At present, the lamp body is arranged on the bracket, and under different working states, for example: the lamp body rotates on the support relatively with angle regulation, or the support drives the lamp body and removes with adjustment position etc. to the work light that disposes on the track, partial track can be to the energy storage unit of lamp body charge, and some tracks can't charge to the energy storage unit of lamp body, and this just makes work light work when the part that can not charge to the energy storage unit, does not have extra power to make it carry out long-term work.
In view of this, the present application is presented.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a working lamp and a driving circuit thereof, aiming at solving the problem that the power supply of the existing working lamp is inconvenient.
A first embodiment of the present invention provides a drive circuit including:
a controller;
the lamp body driving loop is electrically connected with the output end of the controller, and the output end of the lamp body driving loop is used for connecting the lamp body;
the boost charging circuit and the buck charging circuit are electrically connected with the controller;
and the energy storage unit is electrically connected with the output end of the boosting charging loop and the output end of the voltage-reducing charging loop.
Preferably, the device further comprises an indicator light module;
wherein the indicator light module is electrically connected with the output end of the controller.
Preferably, the buck charging circuit comprises a buck chip control module and a buck module;
the state end of the voltage reduction chip control module is electrically connected with the input end of the controller, the input end of the voltage reduction chip control module is used for being connected with a first power supply, the output end of the voltage reduction chip control module is electrically connected with the input end of the voltage reduction module, the control end of the voltage reduction module is electrically connected with the output end of the controller, and the output end of the voltage reduction module is electrically connected with the energy storage unit.
Preferably, the voltage reduction module includes a first field effect transistor, a first triode, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor, a second capacitor, and a third capacitor;
wherein, the C pole of the first triode is electrically connected with the G pole of the first field effect transistor through the first resistor, the S pole of the first field effect transistor is electrically connected with the G pole of the first field effect transistor through the second resistor, the first ends of the third resistor and the fourth resistor are electrically connected with the G pole of the first field effect transistor, the second ends of the third resistor and the fourth resistor are electrically connected with the first end of the fifth resistor, the second end of the fifth resistor is electrically connected with the first end of the first capacitor, the second capacitor and the third capacitor are connected in parallel, wherein the second ends of the first capacitor, the second capacitor and the third capacitor are grounded, the first end of the second capacitor is electrically connected with the D pole of the first field effect transistor, and the first end of the third capacitor is electrically connected with the energy storage unit, the B pole of the first triode is electrically connected with the output end of the controller through the sixth resistor, and the E pole of the first triode is grounded.
Preferably, the boost charging circuit comprises a boost chip control module and a boost module;
the state end of the boost chip control module is electrically connected with the input end of the controller, the input end of the boost chip control module is used for being connected with a second power supply, the output end of the boost chip control module is electrically connected with the input end of the boost module, and the output end of the boost module is electrically connected with the energy storage unit.
Preferably, the boost module includes a second triode, a second field effect transistor, a seventh resistor, an eighth resistor, and a ninth resistor;
the D utmost point of second field effect transistor with boost chip control module' S output electrical connection, the S utmost point of second field effect transistor with energy storage unit electrical connection, the S utmost point of second field effect transistor passes through seventh resistance with the G utmost point electrical connection of second field effect transistor, the G utmost point of second field effect transistor with the C utmost point electrical connection of second triode, the E utmost point ground connection of second triode, the B utmost point of second triode passes through eighth resistance is connected to the power, the B utmost point of second triode passes through ninth resistance ground connection.
Preferably, the chip model of the controller is HT45SC 216.
A second embodiment of the present invention provides a working lamp, a lamp body and a driving circuit as described in any one of the above, wherein the output end of the lamp body driving circuit is electrically connected to the lamp body.
Based on the working lamp and the driving circuit thereof, the controller receives the state signal of the boosting charging loop, generates a control signal to the boosting charging loop to boost the externally input electric energy and then store the externally input electric energy in the energy storage unit, and when the controller receives the state signal of the voltage reduction charging loop, the controller generates a control signal to the voltage reduction charging loop to reduce the externally input electric energy and then store the externally input electric energy in the energy storage unit, wherein the key module can input an electric signal to the controller, and then outputs a control signal to the lamp body driving circuit through the controller to drive the lamp body to work, so that the problem of inconvenience in power supply of the working lamp in the prior art is solved.
Drawings
Fig. 1 is a schematic diagram of a driving circuit module according to a first embodiment of the utility model;
FIG. 2 is a schematic diagram of a controller module provided by the present invention;
FIG. 3 is a schematic diagram of a lamp driving circuit according to the present invention;
FIG. 4 is a schematic diagram of a buck charging circuit according to the present invention;
FIG. 5 is a schematic diagram of a boost charging circuit according to the present invention;
FIG. 6 is a schematic diagram of a second charging interface provided by the present invention;
FIG. 7 is a schematic diagram of a first charging interface provided by the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
The utility model discloses a working lamp and a driving circuit thereof, aiming at solving the problem that the power supply of the existing working lamp is inconvenient.
Referring to fig. 1 to 7, a driving circuit according to a first embodiment of the present invention includes:
a controller 1 (wherein the controller module is shown in fig. 2);
a lamp body driving circuit 4 electrically connected to an output of the controller 1, wherein the output of the lamp body driving circuit 4 is used for connecting a lamp body (wherein, the lamp body driving circuit is shown in fig. 3);
a boost charging circuit 9 and a buck charging circuit 2 electrically connected to the controller 1;
the energy storage unit 7 is electrically connected with the output end of the boosting charging loop 9 and the output end of the voltage reduction charging loop 2;
and the key module 5 is electrically connected with the input end of the controller 1.
It should be noted that the working lamp, for example, the track lamp, is a lamp body disposed on a track adapted to the working lamp, a portion for charging the energy storage unit 7 of the working lamp is adapted on some tracks, and when the working lamp slides to the portion, the track charges the energy storage unit 7, however, in some cases, for example, when the working lamp needs to work on some tracks without a charging device for a long time, the working lamp cannot meet the requirement of long-term work.
In this embodiment, the on and off of the working lamp can be controlled by the key module 5, specifically, when the key module 5 is pressed, an electrical signal can be input to the controller 1, and then a control signal (for example, a pulse signal, a lamp body enabling signal, and a power source enabling signal can be output to the lamp body driving circuit through the controller 1 to drive the lamp body to work, in this embodiment, the boost charging circuit 9 is connected to a first charging interface 8 (which can be a type-c interface, as shown in fig. 7), wherein when an external power source is connected to the first charging interface 8, the boost charging circuit 9 outputs a status signal to the controller 1 through the boost charging circuit 9 to inform the controller 1 of the power source size (for example, 5V) connected to the controller 1, and the controller 1 outputs a control signal to the boost charging circuit 9, the energy storage unit 7 is charged when the voltage of 5V is increased to 7.4V, in this embodiment, the step-down charging circuit 2 is connected to a second charging interface 6 (as shown in fig. 6), when the second charging interface 6 is connected to an external power supply, the step-down charging circuit 2 outputs a status signal to the controller 1 to inform the controller 1 of the size of the power supply (for example, 18V) connected, the controller 1 outputs a control signal to the step-down charging circuit 2 to charge the energy storage unit 7 when the voltage of 18V is decreased to 7.4V, it should be understood that, in this embodiment, the two charging circuits of 18V and 5V may work simultaneously to charge the 7.4V battery to improve the charging efficiency.
In the embodiment, the device further comprises an indicator light module 3;
wherein the indicator light module 3 is electrically connected to the output of the controller 1.
It should be noted that the indicator module 3 may include three different color lamps, for example, a red LED lamp, a green LED lamp, and an orange LED lamp for indicating the current charging state, for example, when the red LED lamp is turned on for indicating boost charging, when the green LED lamp is turned on for indicating buck charging, and when the orange LED lamp is turned on for indicating simultaneous charging of two circuits, of course, in other embodiments, different color LED lamps may be further provided for indicating different operating conditions, which is not specifically limited herein, but these schemes are within the protection scope of the present invention.
As shown in fig. 4, in the present embodiment, the buck charging circuit 2 includes a buck chip control module 21 and a buck module 22;
the state end of the voltage-reducing chip control module 21 is electrically connected to the input end of the controller 1, the input end of the voltage-reducing chip control module 21 is used for connecting a first power supply, the output end of the voltage-reducing chip control module 21 is electrically connected to the input end of the voltage-reducing module 22, the control end of the voltage-reducing module 22 is electrically connected to the output end of the controller 1, and the output end of the voltage-reducing module 22 is electrically connected to the energy storage unit 7.
In this embodiment, the voltage dropping module 22 includes a first fet Q2, a first triode Q1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first capacitor C1, a second capacitor C2, and a third capacitor C3;
wherein a C electrode of the first transistor Q1 is electrically connected to a G electrode of the first fet Q2 through the first resistor R1, an S electrode of the first fet Q2 is electrically connected to a G electrode of the first fet Q2 through the second resistor R2, first ends of the third resistor R3 and the fourth resistor R4 are electrically connected to a G electrode of the first fet Q2, second ends of the third resistor R3 and the fourth resistor R4 are electrically connected to a first end of the fifth resistor R5, a second end of the fifth resistor R5 is electrically connected to a first end of the first capacitor C1, the first capacitor C1, the second capacitor C2 and the third capacitor C3 are connected in parallel, wherein a second end of the first capacitor C1, the second capacitor C2 and the third capacitor C5 is electrically connected to a G electrode of the second capacitor Q2, and a second end of the second capacitor Q57324 is electrically connected to a G electrode of the first fet Q2, a first end of the third capacitor C3 is electrically connected to the energy storage unit 7, a B-pole of the first transistor Q1 is electrically connected to the output terminal of the controller 1 through the sixth resistor R6, and an E-pole of the first transistor Q1 is grounded.
It should be noted that, when the first charging interface 8 is connected to an external power supply, the buck chip control module 21 outputs a state signal to the controller 1 to inform the controller 1 of the size of the power supply (for example, 18V) connected thereto, and the controller 1 outputs a control signal to the buck module 22, specifically, the controller 1 outputs an electrical signal to the first transistor Q1 to turn on the transistor, so that the first fet Q2 is pulled down to be turned on, and the third resistor R3, the fourth resistor R4, and the fifth resistor R5 are connected in parallel to reduce the voltage value in the loop.
As shown in fig. 5, in the present embodiment, the boost charging circuit 9 includes a boost chip control module 91 and a boost module 92;
the state end of the boost chip control module 91 is electrically connected to the input end of the controller 1, the input end of the boost chip control module 91 is used for connecting a second power supply, the output end of the boost chip control module 91 is electrically connected to the input end of the boost module 92, and the output end of the boost module 92 is electrically connected to the energy storage unit 7.
In this embodiment, the boosting module 92 includes a second transistor Q4, a second fet Q3, a seventh resistor R7, an eighth resistor R8, and a ninth resistor R9;
the D pole of the second fet Q3 is electrically connected to the output end of the boost chip control module 91, the S pole of the second fet Q3 is electrically connected to the energy storage unit 7, the S pole of the second fet Q3 is electrically connected to the G pole of the second fet Q3 through the seventh resistor R7, the G pole of the second fet Q3 is electrically connected to the C pole of the second triode Q4, the E pole of the second triode Q4 is grounded, the B pole of the second triode Q4 is connected to the power supply through the eighth resistor R8, and the B pole of the second triode Q4 is grounded through the ninth resistor R9.
It should be noted that, when the second charging interface 6 is connected to the external power supply, the boost chip control module 91 outputs a status signal to the controller 1 to inform the controller 1 of the magnitude of the power supply (e.g. 5V) connected thereto, the controller 1 outputs a control signal to the boost module 92, specifically, the controller 1 outputs an electrical signal to the second transistor Q4 to turn on the second transistor Q4, and the second fet Q3 is pulled down to turn on the second transistor Q3, so that the resistors in the loop are connected in series to increase the voltage value in the loop
In this embodiment, the chip type of the controller 1 may be HT45SC 216.
It should be noted that, in other embodiments, the chip model of the controller 1 may also be another model, which is not specifically limited herein, but is within the protection scope of the present invention.
In a second embodiment of the present invention, there are provided an operating lamp, a lamp body 41 and an operating lamp circuit as described in any one of the above, wherein the output terminal of the lamp body driving circuit 4 is electrically connected to the lamp body.
The lamp body 41 is slidably disposed on a rail 42, wherein a first contact 411 is disposed on the lamp body 41, and a second contact 421 is disposed on the rail 42, wherein the rail charges the lamp body 41 when the lamp body 41 is disposed on the rail 42. The first charging port is disposed on the lamp body 41 and used for connecting an external 5V power supply, and the second charging port is disposed on the rail and used for connecting an 18V power supply.
Based on the working lamp and the driving circuit thereof, the controller 1 receives the state signal of the boost charging loop 9, generates a control signal to the boost charging loop 9 to boost the externally input electric energy and then store the boosted electric energy in the energy storage unit 7, and when the controller 1 receives the state signal of the buck charging loop 2, the controller 1 generates a control signal to the buck charging loop 2 to store the externally input electric energy in the energy storage unit 7 after the buck electric energy is reduced, wherein the key module 5 can input an electric signal to the controller 1, and then the controller 1 outputs a control signal to the lamp body driving circuit to drive the lamp body to work, thereby solving the problem of inconvenient power supply of the working lamp in the prior art.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.
Claims (8)
1. A driver circuit, comprising:
a controller;
the lamp body driving loop is electrically connected with the output end of the controller, and the output end of the lamp body driving loop is used for connecting the lamp body;
the boost charging circuit and the buck charging circuit are electrically connected with the controller;
the energy storage unit is electrically connected with the output end of the boosting charging loop and the output end of the voltage-reducing charging loop;
and the key module is electrically connected with the input end of the controller.
2. The driving circuit according to claim 1, further comprising an indicator light module;
wherein the indicator light module is electrically connected with the output end of the controller.
3. The driving circuit of claim 1, wherein the buck charging circuit comprises a buck chip control module and a buck module;
the state end of the voltage reduction chip control module is electrically connected with the input end of the controller, the input end of the voltage reduction chip control module is used for being connected with a first power supply, the output end of the voltage reduction chip control module is electrically connected with the input end of the voltage reduction module, the control end of the voltage reduction module is electrically connected with the output end of the controller, and the output end of the voltage reduction module is electrically connected with the energy storage unit.
4. The driving circuit according to claim 3, wherein the voltage dropping module comprises a first field effect transistor, a first triode, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor, a second capacitor, and a third capacitor;
wherein, the C pole of the first triode is electrically connected with the G pole of the first field effect transistor through the first resistor, the S pole of the first field effect transistor is electrically connected with the G pole of the first field effect transistor through the second resistor, the first ends of the third resistor and the fourth resistor are electrically connected with the G pole of the first field effect transistor, the second ends of the third resistor and the fourth resistor are electrically connected with the first end of the fifth resistor, the second end of the fifth resistor is electrically connected with the first end of the first capacitor, the second capacitor and the third capacitor are connected in parallel, wherein the second ends of the first capacitor, the second capacitor and the third capacitor are grounded, the first end of the second capacitor is electrically connected with the D pole of the first field effect transistor, and the first end of the third capacitor is electrically connected with the energy storage unit, the B pole of the first triode is electrically connected with the output end of the controller through the sixth resistor, and the E pole of the first triode is grounded.
5. The driving circuit of claim 1, wherein the boost charging circuit comprises a boost chip control module and a boost module;
the state end of the boost chip control module is electrically connected with the input end of the controller, the input end of the boost chip control module is used for being connected with a second power supply, the output end of the boost chip control module is electrically connected with the input end of the boost module, and the output end of the boost module is electrically connected with the energy storage unit.
6. The driving circuit according to claim 5, wherein the boosting module comprises a second transistor, a second field effect transistor, a seventh resistor, an eighth resistor, and a ninth resistor;
the D pole of the second field effect transistor is electrically connected with the output end of the boosting chip control module, the S pole of the second field effect transistor is electrically connected with the energy storage unit, the S pole of the second field effect transistor is electrically connected with the G pole of the second field effect transistor through the seventh resistor, the G pole of the second field effect transistor is electrically connected with the C pole of the second triode, the E pole of the second triode is grounded, the B pole of the second triode is connected to a power supply through the eighth resistor, and the B pole of the second triode is grounded through the ninth resistor.
7. The driving circuit according to claim 1, wherein the chip type of the controller is HT45SC 216.
8. An operating lamp comprising a lamp body and a drive circuit as claimed in any one of claims 1 to 7, wherein the output of the lamp body drive circuit is electrically connected to the lamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120246410.XU CN215379294U (en) | 2021-01-28 | 2021-01-28 | Working lamp and driving circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120246410.XU CN215379294U (en) | 2021-01-28 | 2021-01-28 | Working lamp and driving circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215379294U true CN215379294U (en) | 2021-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120246410.XU Active CN215379294U (en) | 2021-01-28 | 2021-01-28 | Working lamp and driving circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215379294U (en) |
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2021
- 2021-01-28 CN CN202120246410.XU patent/CN215379294U/en active Active
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