CN210328082U - Adaptive lamp group driving module - Google Patents
Adaptive lamp group driving module Download PDFInfo
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- CN210328082U CN210328082U CN201921080757.0U CN201921080757U CN210328082U CN 210328082 U CN210328082 U CN 210328082U CN 201921080757 U CN201921080757 U CN 201921080757U CN 210328082 U CN210328082 U CN 210328082U
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Abstract
The utility model discloses an adaptive lamp group driving module, which comprises a circuit board, wherein an MCU chip is arranged on the circuit board; the circuit board is provided with a debugging interface, a key circuit, a voltage stabilizing module, a first field effect transistor circuit, a second field effect transistor circuit and a PIN interface; the MCU chip is electrically connected with the debugging interface; two ends of the key circuit are respectively and electrically connected with the MCU chip and the power supply; the voltage stabilizing module is electrically connected with a first field effect transistor circuit and a second field effect transistor circuit, the first field effect transistor circuit and the second field effect transistor circuit are electrically connected with the MCU chip, and the first field effect transistor circuit and the second field effect transistor circuit are respectively and electrically connected with the PIN interface; the MCU chip is electrically connected with the PIN interface, and the PIN interface is electrically connected with the LED chip group and the external singlechip; the utility model aims at providing a can adapt LED lamp pearl number of LED chip group and can provide the banks drive module of multiple display mode's adaptation type.
Description
Technical Field
The utility model relates to a LED drive circuit field especially relates to a banks drive module of adaptation type of being suitable for multiple occasion.
Background
The intelligent hardware products, household appliances and other household electrical appliances are developed more and more rapidly, the interaction experience of users needs to be integrally improved on the basis of completing the core function, the visual interaction experience can highlight the selling point of the products, and the use is more humanized. Wherein adopt the different temperature of the lamp strip definition that discolours, the water yield is a good scheme, and consequently design a general core drive module and come the lamp strip of adaptation under the different occasions to light and realize the matching the utility model discloses a background. The design and adaptation of the existing light bar driver are complex, developers are required to frequently adjust software programs to adapt in the development process, the development complexity is improved, and the development cost is undoubtedly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can the multiple scene of adaptation and can accomplish the banks drive module of the adaptation type of matching or mode change through simple operation.
To achieve the purpose, the utility model adopts the following technical proposal: an adaptive lamp group driving module comprises a circuit board, wherein an MCU chip is mounted on the circuit board; the circuit board is provided with a debugging interface, a key circuit, a voltage stabilizing module, a first field effect transistor circuit, a second field effect transistor circuit and a PIN interface; the MCU chip is electrically connected with the debugging interface; two ends of the key circuit are respectively and electrically connected with the MCU chip and the power supply; the input end of the voltage stabilizing module is electrically connected with a power supply, the output end of the voltage stabilizing module is respectively and electrically connected with one voltage input end of the first field effect transistor circuit and one voltage input end of the second field effect transistor circuit, and the other voltage input end of the first field effect transistor circuit and the other voltage input end of the second field effect transistor circuit are respectively and electrically connected with the power supply; the MCU chip is respectively and electrically connected with one signal end of the first field effect transistor circuit and one signal end of the second field effect transistor circuit, and the other signal end of the first field effect transistor circuit and the other signal end of the second field effect transistor circuit are respectively and electrically connected with the PIN interface; the MCU chip is electrically connected with the PIN interface, and the PIN interface is electrically connected with the LED chip group and the external singlechip; the MCU chip realizes signal bidirectional interaction with an external singlechip through a first field effect transistor circuit, a second field effect transistor circuit and a PIN interface.
Preferably, the MCU chip is HC89S003F 4; the PIN interface includes a 4 PIN connector P1 and a 4 PIN connector P2.
Preferably, the signal end 12 to the signal end 16 of the MCU chip are electrically connected to a debug interface, the debug interface is a 7-pin header connector P3, and two pins of the pin header connector P3 are electrically connected to a power supply and a ground line, respectively.
Preferably, the signal terminal 18 of the MCU chip is electrically connected to one signal terminal of the first fet circuit, and the other signal terminal of the first fet circuit is electrically connected to the PIN connector P1 of the PIN interface.
Preferably, the signal terminal 4 of the MCU chip is electrically connected to one signal terminal of the second fet circuit, and the other signal terminal of the second fet circuit is electrically connected to the PIN connector P1 of the PIN interface.
Preferably, the signal terminals 1, 2, 19 and 20 of the MCU chip are electrically connected with a PIN connector P2 of the PIN interface.
Preferably, the key circuit comprises a switch S1, a resistor R1 and a resistor R2, the switch S1 is respectively connected with a power supply and the resistor R1, the resistor R1 is electrically connected with the signal terminal 5 of the MCU chip, one end of the resistor R2 is connected between the resistor R1 and the signal terminal 5 of the MCU chip, and the other end of the resistor R2 is electrically connected with a ground line.
Preferably, the first field effect transistor circuit is an enhanced N-channel insulated gate effect transistor circuit with 3.3V and 5V conversion; the second field effect transistor circuit is an enhanced N-channel insulated gate effect transistor circuit with 3.3V and 5V conversion.
Preferably, the LED chip group comprises a substrate, an LED driving chip and a plurality of LED lamp beads, the LED driving chip and the LED lamp beads are arranged on the substrate, the LED lamp beads are electrically connected with the LED driving chip, and the LED driving chip is electrically connected with a PIN connector P2 of the PIN interface.
The utility model adopts the above structure, have following advantage:
1. the modular design reduces cost.
2. And a universal model and a standard are formed, so that the direct reference of the items is facilitated.
3. The display device has multiple display modes, and is easy to form unification in the product development process.
The number of the LED lamp beads of the LED chip groups is matched through the MCU chip, the LED lamp beads of different LED chip groups can be automatically adapted, and the driving module has universality in use; by adopting the driving module, rewiring is not needed during installation, and only corresponding pins are needed to be connected; the first field effect transistor circuit and the second field effect transistor circuit can realize signal interaction between the MCU chip and an external singlechip, and detect the signal logic of the MCU chip.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a circuit connection block diagram of the present invention;
fig. 3 is a schematic diagram of a part of the circuit connection of the present invention.
Wherein: the circuit board 1, the MCU chip 2, the debugging interface 3, the key circuit 4, the voltage stabilizing module 5, the first field effect transistor circuit 6, the second field effect transistor circuit 7, the PIN interface 8 and the LED chip group 9.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, an adaptive lamp driving module of the present embodiment includes a circuit board 1, where an MCU chip 2 is mounted on the circuit board 1; the circuit board 1 is provided with a debugging interface 3, a key circuit 4, a voltage stabilizing module 5, a first field effect transistor circuit 6, a second field effect transistor circuit 7 and a PIN interface 8.
And the MCU chip 2 is electrically connected with the debugging interface 3.
And two ends of the key circuit 4 are respectively and electrically connected with the MCU chip 2 and the power supply.
The input end of the voltage stabilizing module 5 is electrically connected with a power supply, the output end of the voltage stabilizing module 5 is electrically connected with one voltage input end of the first field effect transistor circuit 6 and one voltage input end of the second field effect transistor circuit 7, and the other voltage input end of the first field effect transistor circuit 6 and the other voltage input end of the second field effect transistor circuit 7 are electrically connected with the power supply.
The MCU chip 2 is respectively and electrically connected with one signal end of the first field effect transistor circuit 6 and one signal end of the second field effect transistor circuit 7, and the other signal end of the first field effect transistor circuit 6 and the other signal end of the second field effect transistor circuit 7 are respectively and electrically connected with the PIN interface 8.
The MCU chip 2 is electrically connected with a PIN interface 8, and the PIN interface 8 is electrically connected with an LED chip group 9 and an external singlechip.
The MCU chip 2 realizes signal bidirectional interaction with an external singlechip through a first field effect transistor circuit 6, a second field effect transistor circuit 7 and a PIN interface 8.
By adopting the effect, the MCU chip 2 is electrically connected with external equipment through the debugging interface 3 and is used for programming or debugging the MCU chip 2.
The voltage stabilizing module 5 is used for connecting a power supply and the first field effect transistor circuit 6 and the second field effect transistor circuit 7, and the voltage stabilizing module 5 converts 5V voltage of the power supply into 3.3V voltage to be used by the first field effect transistor circuit 6 and the second field effect transistor circuit 7.
The first field effect transistor circuit 6 and the second field effect transistor circuit 7 are electrically connected with an external single chip microcomputer through a PIN interface 8, and bidirectional signal interaction between the external single chip microcomputer and the MCU chip 2 is achieved. The first field effect transistor circuit 6 and the second field effect transistor circuit 7 are used for carrying out level conversion, and transmitting the level converted by the MCU chip 2 to the PIN interface 8, or transmitting the level converted by the PIN interface 8 to the MCU chip 2.
The MCU chip 2 is electrically connected with the LED chip group 9 through the PIN interface 8, and the MCU chip 2 sends a signal to control the lighting mode of the LED chip group 9.
Matching the patterns: the switch of long press key circuit 4 lasts 3s and gets into the matching, MCU chip 2 output signal control LED chip group 9's first lamp pearl is lighted, MCU chip 2's inside counter is from adding 1, record first lamp pearl is lighted, whether simultaneously whether calibration personnel visual inspection first lamp pearl is lighted, begin to light second lamp pearl after interval several seconds, circulate this step until all lamp pearls of LED chip group 9 are lighted, confirm to satisfy the colour requirement that the lamp pearl is lighted, long press key circuit 4's switch once more and last 3s completion matching, MCU chip 2 passes through the numerical value automatic calling corresponding procedure of inside counter, the completion is controlled LED chip group 9's lamp pearl.
Preferably, the model of the MCU chip 2 is HC89S003F 4; the PIN interface 8 includes a 4 PIN connector P1 and a 4 PIN connector P2.
Adopt this kind of effect, the utility model discloses what well MCU chip 2 adopted is HC89S003F4 of 24MHZ crystal oscillator frequency, of course also can adopt other MCU chips, as long as MCU chip 2' S crystal oscillator frequency be more than or equal to 24MHZ can, PIN interface 8 adopts 24 PIN connector P1 and P2 to constitute to adopt stamp hole design, the convenient connection.
Preferably, the signal end 12 to the signal end 16 of the MCU chip 2 are electrically connected to a debug interface 3, the debug interface 3 is a 7-pin header connector P3, and two pins of the pin header connector P3 are electrically connected to a power supply and a ground respectively.
By adopting the effect, the signal end 12 to the signal end 16 of the MCU chip 2 are used as adjusting pins and are connected with 5 pins of the pin header connector P3, and the pin header connector P3 is electrically connected with external equipment, so that program burning or debugging of the MCU chip 2 is realized.
Preferably, the signal terminal 18 of the MCU chip 2 is electrically connected to one signal terminal of the first fet circuit 6, and the other signal terminal of the first fet circuit 6 is electrically connected to the PIN connector P1 of the PIN interface 8.
By adopting the effect, the signal end 18 of the MCU chip 2 is used as a signal input/output end for receiving/sending signals to the first field effect transistor circuit 6, and the first field effect transistor circuit 6 carries out voltage conversion and then transmits the signals to an external singlechip through the PIN connector P1 of the PIN interface 8, so that signal interaction between the MCU chip 2 and the external singlechip is realized, and whether the logic of the signals is wrong or not is detected.
Preferably, the signal terminal 4 of the MCU chip 2 is electrically connected to one signal terminal of the second fet circuit 7, and the other signal terminal of the second fet circuit 7 is electrically connected to the PIN connector P1 of the PIN interface 8.
By adopting the effect, the signal end 4 of the MCU chip 2 is used as a signal input/output end for receiving/sending signals to the second field effect transistor circuit 7, and the second field effect transistor circuit 7 carries out voltage conversion and then transmits the signals to an external singlechip through the PIN connector P2 of the PIN interface 8, so that signal interaction between the MCU chip 2 and the external singlechip is realized, and whether the logic of the signals is wrong or not is detected.
Preferably, the signal terminals 1, 2, 19 and 20 of the MCU chip 2 are electrically connected to the PIN connector P2 of the PIN interface 8.
By adopting the effect, the signal ends 1, 2, 19 and 20 of the MCU chip 2 are taken as signal output ends and are electrically connected with the LED chip group 9 through the pin connector P2, and the MCU chip 2 controls the LED chip group 9 to adapt the number of the lamp beads or change the lighting mode through sending signals.
Preferably, the key circuit 4 includes a switch S1, a resistor R1 and a resistor R2, the switch S1 is respectively connected to a power supply and the resistor R1, the resistor R1 is electrically connected to the signal terminal 5 of the MCU chip 2, one end of the resistor R2 is connected between the resistor R1 and the signal terminal 5 of the MCU chip 2, and the other end of the resistor R2 is electrically connected to a ground.
With this effect, the switch S1, the resistor R1, and the resistor R2 form the key circuit 4, which plays a role in removing the interference of the ripple current, and the control signal of the switch S1 is active at a high level.
Preferably, the first field effect transistor circuit 6 is an enhanced N-channel insulated gate effect transistor circuit with 3.3V and 5V conversion; the second field effect transistor circuit 7 is an enhanced N-channel insulated gate effect transistor circuit with 3.3V and 5V conversion.
With such an effect, the first field-effect transistor circuit 6 and the second field-effect transistor circuit 7 are both enhancement type N-channel insulated gate effect transistor circuits, the type of the used insulated gate effect transistor is LNTR4003NLT1G, and the circuit structure is a common connection structure in the field and is not described herein.
Preferably, the LED chip group 9 includes a substrate, an LED driving chip and a plurality of LED lamp beads, the LED driving chip and the plurality of LED lamp beads are both disposed on the substrate, the LED lamp beads are electrically connected to the LED driving chip, and the LED driving chip is electrically connected to the PIN connector P2 of the PIN interface 8.
With the adoption of the effect, the LED chip group 9 receives the signal of the MCU chip 2 through the PIN connector P2 of the PIN interface 8, and the LED driving chip controls the lighting condition of each LED lamp bead through the received signal. The LED driving chip adopts a single-wire transmission three-channel LED driving control chip and adopts a unipolar return-to-zero code data protocol.
During operation, the LED chip group 9 is electrically connected with the MCU chip 2 through the PIN interface 8, and control signals are input into the MCU chip 2 in a mode of pressing the switch S1 of the key circuit 4 for a long time or a short time, so that the driving module enters different working modes. When entering the matching mode after long pressing the 3S switch S1, the MCU chip 2 matches the number of the LED lamp beads of the LED chip group 9, so that the MCU chip 2 can automatically identify the number of the LED lamp beads of the LED chip group 9, and exits the matching mode again by long pressing the 3S switch S1. Short switch S1 of pressing, MCU chip 2 switches between mode one, two and three, can provide three kinds of different LED lamp pearl display effects, and the user selects the use according to actual demand, need not recompose the procedure again and burn and record, has saved a large amount of time and resource.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (9)
1. An adaptive lamp group driving module comprises a circuit board, and is characterized in that an MCU chip is mounted on the circuit board;
the circuit board is provided with a debugging interface, a key circuit, a voltage stabilizing module, a first field effect transistor circuit, a second field effect transistor circuit and a PIN interface;
the MCU chip is electrically connected with the debugging interface;
two ends of the key circuit are respectively and electrically connected with the MCU chip and the power supply;
the input end of the voltage stabilizing module is electrically connected with a power supply, the output end of the voltage stabilizing module is respectively and electrically connected with one voltage input end of the first field effect transistor circuit and one voltage input end of the second field effect transistor circuit, and the other voltage input end of the first field effect transistor circuit and the other voltage input end of the second field effect transistor circuit are respectively and electrically connected with the power supply;
the MCU chip is respectively and electrically connected with one signal end of the first field effect transistor circuit and one signal end of the second field effect transistor circuit, and the other signal end of the first field effect transistor circuit and the other signal end of the second field effect transistor circuit are respectively and electrically connected with the PIN interface;
the MCU chip is electrically connected with the PIN interface, and the PIN interface is electrically connected with the LED chip group and the external singlechip;
the MCU chip realizes signal bidirectional interaction with an external singlechip through a first field effect transistor circuit, a second field effect transistor circuit and a PIN interface.
2. The adaptive light group driving module according to claim 1, wherein the MCU chip has a model number of HC89S003F 4; the PIN interface includes a 4 PIN connector P1 and a 4 PIN connector P2.
3. The adaptive light group driving module according to claim 2, wherein the signal terminals 12 to 16 of the MCU chip are electrically connected to a debug interface, the debug interface is a 7-pin header connector P3, and two pins of the pin header connector P3 are electrically connected to a power supply and a ground respectively.
4. The adaptive lamp group driving module according to claim 2, wherein the signal terminal 18 of the MCU chip is electrically connected to one signal terminal of a first fet circuit, and the other signal terminal of the first fet circuit is electrically connected to a PIN connector P1 of the PIN interface.
5. The adaptive lamp group driving module according to claim 2, wherein the signal terminal 4 of the MCU chip is electrically connected to one signal terminal of a second fet circuit, and the other signal terminal of the second fet circuit is electrically connected to the PIN connector P1 of the PIN interface.
6. The adaptive light group driving module according to claim 2, wherein the signal terminals 1, 2, 19 and 20 of the MCU chip are electrically connected to PIN connector P2 of the PIN interface.
7. The adaptive light group driving module according to claim 2, wherein the key circuit comprises a switch S1, a resistor R1 and a resistor R2, the switch S1 is connected to the power supply and the resistor R1, the resistor R1 is electrically connected to the signal terminal 5 of the MCU chip, one end of the resistor R2 is connected between the resistor R1 and the signal terminal 5 of the MCU chip, and the other end of the resistor R2 is electrically connected to the ground.
8. The adaptive lamp group driving module as claimed in claim 1, wherein the first fet circuit is a 3.3V to 5V switching enhancement mode N-channel igbt circuit; the second field effect transistor circuit is an enhanced N-channel insulated gate effect transistor circuit with 3.3V and 5V conversion.
9. The adaptive light group driving module according to claim 1, wherein the LED group comprises a substrate, an LED driving chip and a plurality of LED lamp beads, the LED driving chip and the plurality of LED lamp beads are both disposed on the substrate, the LED lamp beads are electrically connected with the LED driving chip, and the LED driving chip is electrically connected with a PIN connector P2 of the PIN interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921080757.0U CN210328082U (en) | 2019-07-10 | 2019-07-10 | Adaptive lamp group driving module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921080757.0U CN210328082U (en) | 2019-07-10 | 2019-07-10 | Adaptive lamp group driving module |
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| CN210328082U true CN210328082U (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121114A1 (en) * | 2020-12-11 | 2022-06-16 | 萤火虫（深圳）灯光科技有限公司 | Lighting module control method, lighting module, electronic device, and storage medium |
-
2019
- 2019-07-10 CN CN201921080757.0U patent/CN210328082U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121114A1 (en) * | 2020-12-11 | 2022-06-16 | 萤火虫（深圳）灯光科技有限公司 | Lighting module control method, lighting module, electronic device, and storage medium |
| US11589446B2 (en) | 2020-12-11 | 2023-02-21 | Glowworm (Shenzhen) Lighting Technology Co., Ltd. | Light control method and apparatus, and storage medium |
| US11606853B2 (en) | 2020-12-11 | 2023-03-14 | Glowworm (Shenzhen) Lighting Technology Co., Ltd. | Light control method and apparatus based on boundary identification, and storage medium |
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