CN217238766U - Low power consumption control system for handheld device - Google Patents
Low power consumption control system for handheld device Download PDFInfo
- Publication number
- CN217238766U CN217238766U CN202123082540.3U CN202123082540U CN217238766U CN 217238766 U CN217238766 U CN 217238766U CN 202123082540 U CN202123082540 U CN 202123082540U CN 217238766 U CN217238766 U CN 217238766U
- Authority
- CN
- China
- Prior art keywords
- switch
- module
- handheld device
- ports
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Led Devices (AREA)
Abstract
The utility model provides a low-power consumption control system for handheld device, its LED luminance that can intelligent control handheld device reduces the consumption, including automatically controlled connection: the wake-up module comprises a vibration switch and provides a wake-up signal through the vibration switch; an LED module including an LED lamp; the brightness adjusting module comprises a touch switch and provides a brightness adjusting signal through the touch switch; the MCU module receives a wake-up signal generated by a vibration switch closing and conducting circuit and outputs a voltage to light an LED lamp of the LED module, the MCU module receives a brightness adjusting signal generated by a tact switch closing, and the duty ratio of the output voltage and the brightness of the LED lamp are controlled and adjusted through PWN; the power module is used for supplying power.
Description
Technical Field
The utility model relates to a low-power consumption handheld device technical field, concretely relates to low-power consumption control system for handheld device.
Background
In the era of intellectualization and the internet of things, sensing, operation and control become ubiquitous, and the requirements of electronic products powered by batteries on power consumption are higher and higher. Low power designs are a problem that often makes product designers very painful and compelling.
The existing handheld equipment can already achieve microampere-level power consumption, but the power consumption control of the existing handheld equipment can not completely reach the standard when the equipment powered by only one button battery is required to work for tens of thousands of hours.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a low-power consumption control system for handheld device, its LED luminance that can intelligent control handheld device reduces the consumption.
The technical scheme is as follows: a low power control system for a handheld device, comprising electronically connected:
the wake-up module comprises a vibration switch, and the wake-up module provides a wake-up signal through the vibration switch;
an LED module including an LED lamp;
the brightness adjusting module comprises a light touch switch and provides a brightness adjusting signal through the light touch switch;
the MCU module receives a wake-up signal generated by a closed conduction circuit of the vibration switch, outputs voltage to light an LED lamp of the LED module, receives a brightness adjusting signal generated by a closed touch switch, and controls and adjusts the duty ratio of the output voltage and the brightness of the LED lamp through PWN;
and the power supply module is connected with the awakening module, the LED module, the brightness adjusting module and the MCU module and used for supplying power.
Furthermore, the awakening module further comprises a first filtering unit, wherein the first filtering unit comprises a first filtering capacitor connected with the vibration switch in parallel and a first filtering resistor connected with the vibration switch in series and is used for filtering accidental and ineffective vibration.
Furthermore, the brightness adjusting module further comprises a second filtering unit, wherein the second filtering unit comprises a second filtering capacitor connected in parallel with the tact switch and a second filtering resistor connected in series with the tact switch, and is used for filtering accidental and invalid switch enabling signals.
Further, the tact switch comprises a first tact switch and a second tact switch, the first tact switch is used for adjusting the brightness of the LED lamp to be high, and the second tact switch is used for adjusting the brightness of the LED lamp to be low.
Furthermore, the power module comprises a battery and a boosting module which are connected, the battery adopts a 1.5V button battery, the boosting module comprises a voltage conversion chip, and the voltage conversion chip boosts 1.5V input by the battery to 3V and then outputs the voltage.
Further, the MCU module includes a main control chip U1, a 7 port of the main control chip U1 is connected to one end of a vibration switch K3, one end of the vibration switch K3 is connected to a power VCC after being connected to a first filter resistor R7, the power VCC is a 3V power supply output by the power module, the other end of the vibration switch K3 is grounded, and two ends of the vibration switch K3 are also connected in parallel with a first filter capacitor C3; the 13 ports of the main control chip U1 are connected with a current limiting resistor R1, an LED lamp D1 and a current limiting resistor R2 which are connected in series and then are grounded; the 5 and 17 ports of the main control chip U1 are connected with a power supply VCC; the 23 ports of main control chip U1 are connected to the 3, 4 ports of first dabbing switch K1, be connected to the power VCC behind 3, 4 ports connecting resistance R3 of first dabbing switch K1, 1, 2 ports ground connection of first dabbing switch K1, first dabbing switch K1 still has electric capacity C4 in parallel, 24 ports of main control chip U1 are connected to 3, 4 ports of second dabbing switch K2, be connected to the power VCC behind 3, 4 ports connecting resistance R4 of second dabbing switch K2, 1, 2 ports ground connection of second dabbing switch K2, second dabbing switch K2 still has electric capacity C5 in parallel.
Furthermore, the ground connection behind the 1 port connecting resistor R6 of main control chip U1, connect parallelly connected electric capacity C1, C2 behind the 4 port connecting resistor R5 of main control chip U1, the power VCC is connected to electric capacity C1, the one end of C2, and electric capacity C1, the other end ground connection of C2.
Furthermore, the resistance values of the current limiting resistor R1 and the current limiting resistor R2 are adjustable.
The utility model discloses a low-power consumption control system for handheld device, through setting up the vibration switch, can judge the state of handheld device according to the vibration size, possess the dormancy function, be in the dormant state when not having wake-up signal, make whole handheld device's control system be in low-power consumption dormant state for a long time, control system can set up intelligence and open and close the LED lamp, through PWM's mode cooperation control circuit control LED's luminance, it can realize reducing the consumption effectively.
Drawings
FIG. 1 is a block diagram of a low power control system for a handheld device in an embodiment;
fig. 2 is a circuit diagram of a low power consumption control system for a handheld device in an embodiment.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, it should be noted that the drawings provided in the present embodiment illustrate only the basic idea of the present invention in a schematic manner, and only the components related to the present invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of each component may be changed at will in actual implementation, and the component layout form may be more complicated.
See fig. 1, the utility model discloses a low-power consumption control system for handheld device, including automatically controlled connection:
the wake-up module 1 comprises a vibration switch, the wake-up module 1 provides a wake-up signal through the vibration switch, and the wake-up module 1 can judge the state of the handheld device according to the vibration magnitude and intelligently turn on and off the LED lamp;
an LED module 2, the LED module 2 comprising an LED lamp;
the brightness adjusting module 3 comprises a light touch switch, and the brightness adjusting module 3 provides a brightness adjusting signal through the light touch switch;
the MCU module 4 is connected to an I/O port of the MCU module 4 respectively, the MCU module 4 receives a wake-up signal generated by a vibration switch closing and conducting circuit, the LED lamp of the LED module is lightened by output voltage, the MCU module 4 receives a brightness adjusting signal generated by a tact switch closing, and the duty ratio of the output voltage and the brightness of the LED lamp are adjusted through PWN control;
and the power module 5 is connected with the awakening module 1, the LED module 2, the brightness adjusting module 3 and the MCU module 4 and used for supplying power.
Specifically, in this embodiment, the wake-up module 1 further includes a first filtering unit, and the first filtering unit includes a first filtering capacitor connected in parallel with the vibration switch and a first filtering resistor connected in series with the vibration switch, and is used for filtering accidental and ineffective vibrations, avoiding ineffective wake-up of the control system, and saving power consumption.
Specifically, in this embodiment, the brightness adjusting module 3 further includes a second filtering unit, where the second filtering unit includes a second filtering capacitor connected in parallel with the light touch switch and a second filtering resistor connected in series with the light touch switch, and is used to filter accidental or invalid switch enabling signals, so as to avoid unintended brightness switching of the control system.
Meanwhile, the tact switch comprises a first tact switch K1 and a second tact switch K2, the first tact switch K1 is used for adjusting the brightness of the LED lamp to be high, and the second tact switch K2 is used for adjusting the brightness of the LED lamp to be low, so that the LED lamp is convenient to operate and use.
Specifically, in this embodiment, the power module includes battery and the boost module that is connected, and the battery adopts 1.5V button cell, and the boost module includes the voltage conversion chip, and the voltage conversion chip is exported after stepping up the 1.5V of battery input to 3V, and the voltage conversion chip can adopt PW5100, and its required peripheral components and parts are few, support small-size outside inductor and output capacitor, can keep the quiescent current of superlow again simultaneously, realize fine efficiency, help reducing the consumption.
In an embodiment of the utility model, the MCU module 4 includes main control chip U1, the chip model that the MCU module adopted is STM32L051, awaken up module 1 and contain vibration switch K3, filter capacitor C3, filter resistor R7, main control chip U1's 7 ports are connected to the one end of awakening up module 1's vibration switch K3, connect the power VCC behind first filter resistor R7 is connected to one end of vibration switch K3, the power VCC is the 3V power of power module output, the other end ground connection of vibration switch K3, vibration switch K3's both ends are still parallelly connected with first filter capacitor C3; the type of the vibration switch K3 is BL-18010P, the vibration switch K3 is a ball type vibration switch, and the conductive balls are used for contacting two ends of a circuit through rolling under the action of gravity, so that the circuit is switched on and off. And a filter circuit consisting of the filter capacitor C3, the filter resistor R7 and the digital filter of the MCU module filters accidental and invalid vibration, so that invalid awakening of a control system is avoided, and power consumption is saved.
The brightness adjusting module 3 comprises light touch switches K1 and K2, a resistor R3, a capacitor C4, a resistor R4 and a capacitor C5 of the filter unit, wherein the light touch switches K1 and K2 are KH-404015-AJ, a port 23 of a main control chip U1 is connected to ports 3 and 4 of a first light touch switch K1, a port 3 and 4 of a first light touch switch K1 is connected to a power supply VCC after being connected to a resistor R3, a port 1 and a port 2 of a first light touch switch K1 are grounded, a capacitor C4 is further connected in parallel with the first light touch switch K1, a port 24 of the main control chip U1 is connected to a port 3 and 4 of a second light touch switch K2, a port 3 and 4 of a second light touch switch K2 is connected to the power supply VCC after being connected to a port 3 and 4 of the resistor R2, a port 1 and 2 of the second light touch switch K2 is grounded, the second light touch switch K2 is further connected in parallel with the capacitor C2, the resistor R2 of the filter unit R2, the filter unit R2 and the filter unit, the filter unit C2, the filter unit can filter the filter unit to filter signal at the signal end, the digital filter circuit of the MCU module filters accidental and invalid switch enabling signals at a digital end, and the control system is prevented from generating unintended brightness switching.
The LED module 2 comprises an LED lamp D1, a current-limiting resistor R1 and a current-limiting resistor R2, and the 13 port of the main control chip U1 is connected with the current-limiting resistor R1, the LED lamp D1 and the current-limiting resistor R2 which are connected in series and then grounded; the ports 5 and 17 of the main control chip U1 are connected with a power supply VCC, the port 1 of the main control chip U1 is connected with a resistor R6 and then grounded, the port 4 of the main control chip U1 is connected with a resistor R5 and then connected with capacitors C1 and C2 which are connected in parallel, one ends of the capacitors C1 and C2 are connected with the power supply VCC, and the other ends of the capacitors C1 and C2 are grounded; the main control module controls the brightness of the LED lamp by adjusting the duty ratio of the PWM, and in addition, the current limiting resistor R1 and the current limiting resistor R2 can be set according to the minimum duty ratio of the PWM to set the minimum brightness of the LED lamp. The method comprises the following specific steps:
setting the minimum brightness of the LED lamp, converting the minimum brightness into power consumption current A0, setting the high voltage of PWM as U0, setting the minimum duty ratio as P0, and setting the resistance values of current limiting resistors R1 and R2 according to the formula: r1+ R2 ═ U0 × P0/a 0;
the resistance values of the current limiting resistor R1 and the current limiting resistor R2 are adjustable, so that the maximum brightness and the minimum brightness of the LED lamp can be adjusted.
In an embodiment of the present invention, there is further provided a control method of the low power consumption control system for handheld device in the above embodiment, including the following steps:
setting the lighting time of the LED;
when the wake-up module does not send a wake-up signal, the main control module keeps sleeping, the LED lamp of the LED module is turned off, when the wake-up module sends the wake-up signal, the main control module restores to normal work from the sleeping state, and the LED lamp of the LED module is turned on;
when the brightness adjusting module sends brightness adjusting information, the main control module controls and adjusts the duty ratio of output voltage through PWN, and adjusts the brightness of an LED lamp of the LED module;
when the set LED lighting time is up, the wake-up signal is not available, the main control module enters a dormant state, the LED lamp of the LED module is turned off, the main control module records the current PWN control signal, the PWN control signal is recorded to control the LED lamp of the LED module to be turned on when the LED module is wakened up next time, the brightness of the LED lamp which is turned off last time is recovered when the LED lamp is turned on again, if the wake-up signal is available, the LED lamp of the LED module is kept to be turned on, and the timing of the LED lighting time is restarted.
The utility model discloses a low-power consumption control system for handheld device, mode cooperation control circuit through PWM controls LED's luminance, possesses the dormancy function, makes whole low-power consumption intelligent control module be in low-power consumption dormant state for a long time to possess the memory function, can remember the luminance when the LED lamp extinguishes last time, resume the luminance when extinguishing last time when making the LED lamp light once more.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A low power control system for a handheld device, comprising, in electronically controlled connection:
the wake-up module comprises a vibration switch, and the wake-up module provides a wake-up signal through the vibration switch;
an LED module including an LED lamp;
the brightness adjusting module comprises a touch switch and provides a brightness adjusting signal through the touch switch;
the MCU module receives a wake-up signal generated by a closed conduction circuit of the vibration switch, outputs voltage to light an LED lamp of the LED module, receives a brightness adjusting signal generated by a closed touch switch, and controls and adjusts the duty ratio of the output voltage and the brightness of the LED lamp through PWN;
and the power module is connected with the awakening module, the LED module, the brightness adjusting module and the MCU module and used for supplying power.
2. A low power consumption control system for a handheld device according to claim 1, wherein: the awakening module further comprises a first filtering unit, wherein the first filtering unit comprises a first filtering capacitor connected with the vibration switch in parallel and a first filtering resistor connected with the vibration switch in series and is used for filtering accidental and ineffective vibration.
3. A low power consumption control system for a handheld device according to claim 1, wherein: the brightness adjusting module further comprises a second filtering unit, wherein the second filtering unit comprises a second filtering capacitor connected with the light touch switch in parallel and a second filtering resistor connected with the light touch switch in series and is used for filtering accidental and invalid switch enabling signals.
4. A low power consumption control system for a handheld device according to claim 1, wherein: the light touch switch comprises a first light touch switch and a second light touch switch, the first light touch switch is used for adjusting the brightness of the LED lamp to be high, and the second light touch switch is used for adjusting the brightness of the LED lamp to be low.
5. A low power consumption control system for a handheld device according to claim 1, wherein: the power module comprises a battery and a boosting module which are connected, wherein the battery adopts a 1.5V button battery, the boosting module comprises a voltage conversion chip, and the voltage conversion chip boosts 1.5V input by the battery to 3V and then outputs the boosted voltage.
6. A low power consumption control system for a handheld device according to claim 1, characterized by: the MCU module comprises a main control chip U1, a 7 port of the main control chip U1 is connected to one end of a vibration switch K3, one end of the vibration switch K3 is connected with a power supply VCC after being connected with a first filter resistor R7, the power supply VCC is a 3V power supply output by the power supply module, the other end of the vibration switch K3 is grounded, and two ends of the vibration switch K3 are also connected with a first filter capacitor C3 in parallel; the 13 ports of the main control chip U1 are connected with a current limiting resistor R1, an LED lamp D1 and a current limiting resistor R2 which are connected in series and then are grounded; the 5 and 17 ports of the main control chip U1 are connected with a power supply VCC; the 23 ports of main control chip U1 are connected to the 3, 4 ports of first dabbing switch K1, be connected to the power VCC behind 3, 4 ports connecting resistance R3 of first dabbing switch K1, 1, 2 ports ground connection of first dabbing switch K1, first dabbing switch K1 still has electric capacity C4 in parallel, 24 ports of main control chip U1 are connected to 3, 4 ports of second dabbing switch K2, be connected to the power VCC behind 3, 4 ports connecting resistance R4 of second dabbing switch K2, 1, 2 ports ground connection of second dabbing switch K2, second dabbing switch K2 still has electric capacity C5 in parallel.
7. A low power consumption control system for a handheld device according to claim 6, wherein: the 1 port connecting resistance R6 of main control chip U1 back ground connection, the 4 port connecting resistance R5 of main control chip U1 back connection parallelly connected electric capacity C1, C2, the power VCC is connected to electric capacity C1, the one end of C2, and electric capacity C1, the other end ground connection of C2.
8. A low power consumption control system for a handheld device according to claim 6, wherein: the resistance values of the current limiting resistor R1 and the current limiting resistor R2 are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123082540.3U CN217238766U (en) | 2021-12-09 | 2021-12-09 | Low power consumption control system for handheld device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123082540.3U CN217238766U (en) | 2021-12-09 | 2021-12-09 | Low power consumption control system for handheld device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217238766U true CN217238766U (en) | 2022-08-19 |
Family
ID=82824733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123082540.3U Active CN217238766U (en) | 2021-12-09 | 2021-12-09 | Low power consumption control system for handheld device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217238766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116521248A (en) * | 2023-07-03 | 2023-08-01 | 深圳砺驰半导体科技有限公司 | Chip wake-up circuit, chip wake-up method, chip, component and electronic equipment |
-
2021
- 2021-12-09 CN CN202123082540.3U patent/CN217238766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116521248A (en) * | 2023-07-03 | 2023-08-01 | 深圳砺驰半导体科技有限公司 | Chip wake-up circuit, chip wake-up method, chip, component and electronic equipment |
| CN116521248B (en) * | 2023-07-03 | 2023-12-15 | 深圳砺驰半导体科技有限公司 | Chip wake-up circuit, chip wake-up method, chip, component and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217238766U (en) | Low power consumption control system for handheld device | |
| CN101835306B (en) | Led lamp control circuit and led lamp | |
| CN204926025U (en) | Touch awakens formula non -transformer drive wireless mouse up based on thermoelectric generation principle | |
| CN202310206U (en) | Control circuit of ultra-low-power single wire power supply touch switch | |
| CN201726170U (en) | Power supply with wakeup function | |
| CN201589998U (en) | Computer with power indicating light | |
| CN113013952A (en) | Control system, method and medium of portable equipment and tooth flushing device applied to control system | |
| CN114020141A (en) | Low-power-consumption control system for handheld device and control method thereof | |
| CN201622822U (en) | Backlight regulating circuit | |
| CN203014434U (en) | High-utilization-rate mobile power supply | |
| CN208001227U (en) | A kind of Switching Power Supply driving power supply circuit and Switching Power Supply | |
| CN203660640U (en) | Economical power failure maintenance circuit | |
| CN116054310A (en) | Power supply electric quantity display circuit, method, display instrument and computer readable storage medium | |
| CN2877108Y (en) | Back-up power managing device | |
| CN207737194U (en) | Vehicle-mounted light adjusting controller | |
| CN207380887U (en) | A kind of LORA wireless communication modules | |
| CN213426125U (en) | Power-on time delay switch circuit | |
| CN106410871B (en) | Power-supply management system and method | |
| CN220962186U (en) | Power management control circuit | |
| CN216057569U (en) | LED lamp with timing function | |
| CN219891561U (en) | 16-way steering engine controller | |
| CN220915272U (en) | Novel power supply self-locking circuit | |
| CN214255816U (en) | Low-power-consumption power supply circuit through instantaneous trigger | |
| CN219322135U (en) | Low-power consumption power supply control circuit and electric equipment | |
| CN220022375U (en) | Boost charging circuit suitable for battery protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |