CN219435397U

CN219435397U - Low-power-consumption intelligent remote controller

Info

Publication number: CN219435397U
Application number: CN202320305455.9U
Authority: CN
Inventors: 姚昌春; 宁海波; 程春林; 窦威
Original assignee: Zhuhai Tozhiny Technology Co ltd
Current assignee: Zhuhai Tozhiny Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-28
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a low-power-consumption intelligent remote controller which comprises a power supply circuit, a switch circuit, a backlight boosting circuit and a control circuit, wherein the switch circuit comprises a first IO endpoint and a second IO endpoint, the first IO endpoint and the second IO endpoint are both in wireless connection with the control circuit, the control circuit is respectively connected with the backlight boosting circuit and the power supply circuit, and the power supply circuit is respectively connected with the switch circuit and the backlight boosting circuit. The voltage of normal work is provided through the backlight booster circuit, and the circuit internal resistance is reduced, the power consumption is reduced, the detection accuracy is improved through the wireless connection of the double IO end points of the switch circuit and the control circuit, and the device can be widely applied to the technical field of remote control.

Description

Low-power-consumption intelligent remote controller

Technical Field

The utility model relates to the technical field of remote control, in particular to an intelligent remote controller with low power consumption.

Background

In recent years, with the improvement of the living standard of people, wireless remote controllers have become an indispensable part of our lives unknowingly, and intelligent appliances such as televisions, set-top boxes, electric lamps, toilets, air conditioners and the like all need remote controllers. Under the development of the Internet of things, new technology and new process evolution, the remote controller also develops from the traditional infrared remote controller to the intelligent remote controller.

With the increasing functions of the wireless remote controller, the detecting signals of the peripheral sensors are also increased, and the detection of the external input signals is also complicated. At present, the wireless remote controller has large power consumption and can not accurately detect the switch signal.

Disclosure of Invention

In view of this, an object of the embodiments of the present utility model is to provide a low-power-consumption intelligent remote controller, so that when detecting an external sensor switch signal, the external sensor is detected by using dual IOs, so as to reduce internal resistance of a line, reduce power consumption, and improve detection accuracy.

The embodiment of the utility model provides a low-power-consumption intelligent remote controller, which comprises a power supply circuit, a switch circuit, a backlight boosting circuit and a control circuit, wherein the switch circuit comprises a first IO endpoint and a second IO endpoint, the first IO endpoint and the second IO endpoint are both in wireless connection with the control circuit, the control circuit is respectively connected with the backlight boosting circuit and the power supply circuit, and the power supply circuit is respectively connected with the switch circuit and the backlight boosting circuit.

Optionally, the switch circuit further includes a first resistor, a second resistor and a first capacitor, wherein a first end of the first resistor is connected with the first IO endpoint, a first end of the second resistor is connected with the second IO endpoint, a first end of the first capacitor is connected with a second end of the first resistor and a second end of the second resistor respectively, and a second end of the first capacitor is grounded.

Optionally, the control circuit comprises a control chip and a reset circuit, and the reset circuit is connected with the control chip.

Optionally, the control circuit further comprises a crystal oscillator circuit, and the crystal oscillator circuit is connected with the control chip.

Optionally, the backlight boosting circuit includes a chip BL8531CB5TR33 and a chip BL8531CB5TR33 peripheral circuit.

Optionally, the chip BL8531CB5TR33 peripheral circuit includes a first transistor and a first diode, both of which are connected to the chip BL8531CB5TR 33.

Optionally, the intelligent remote controller further comprises a storage circuit, and the storage circuit is connected with the control circuit.

Optionally, the memory circuit includes a chip BL24C04A and a chip BL24C04A peripheral circuit.

Optionally, the intelligent remote controller further comprises an LCD circuit, and the LCD circuit is connected with the control circuit.

Optionally, the intelligent remote controller further comprises an infrared emission circuit, and the infrared emission circuit is connected with the control circuit.

The embodiment of the utility model has the following beneficial effects: the embodiment of the utility model provides a low-power-consumption intelligent remote controller, which comprises a power supply circuit, a switch circuit, a backlight boosting circuit and a control circuit, wherein the switch circuit comprises a first IO endpoint and a second IO endpoint, the first IO endpoint and the second IO endpoint are both in wireless connection with the control circuit, the control circuit is respectively connected with the backlight boosting circuit and the power supply circuit, and the power supply circuit is respectively connected with the switch circuit and the backlight boosting circuit. The voltage of the power supply circuit is boosted through the backlight boosting circuit, the normal working voltage of the remote controller is provided, the circuit internal resistance is reduced, the power consumption is reduced, and the detection accuracy is improved through the wireless connection of the double IO end points of the switch circuit and the control circuit.

Drawings

Fig. 1 is a block diagram of a low-power consumption intelligent remote controller according to an embodiment of the present utility model;

FIG. 2 is a schematic circuit diagram of a switching circuit according to an embodiment of the present utility model;

FIG. 3 is a schematic circuit diagram of a control circuit provided by an embodiment of the present utility model;

FIG. 4 is a schematic circuit diagram of a power supply circuit according to an embodiment of the present utility model;

FIG. 5 is a schematic circuit diagram of a backlight boosting circuit according to an embodiment of the present utility model;

FIG. 6 is a schematic circuit diagram of a memory circuit according to an embodiment of the present utility model;

FIG. 7 is a schematic circuit diagram of an infrared emission circuit provided by an embodiment of the present utility model;

fig. 8 is a schematic circuit diagram of an LCD circuit according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In embodiments of the utility model, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Referring to fig. 1, an embodiment of the utility model provides a low-power consumption intelligent remote controller, which comprises a power supply circuit, a switch circuit, a backlight boosting circuit and a control circuit, wherein the switch circuit comprises a first IO endpoint and a second IO endpoint, the first IO endpoint and the second IO endpoint are both in wireless connection with the control circuit, the control circuit is respectively connected with the backlight boosting circuit and the power supply circuit, and the power supply circuit is respectively connected with the switch circuit and the backlight boosting circuit.

The power supply circuit is used for providing working voltage for each component circuit of the remote controller.

A switching circuit for generating a switching signal and inputting to the control circuit;

and the backlight boosting circuit is used for boosting the voltage of the circuit, so that the remote controller can work normally under low input voltage.

Specifically, the power supply circuit provides working voltage for other circuits of the remote controller, the switching circuit generates a switching signal, the backlight boosting circuit boosts the voltage input by the power supply circuit and outputs the boosted voltage, so that the control circuit works normally and accurately detects the switching signal.

Referring to fig. 2, optionally, the switching circuit further includes a first resistor, a second resistor, and a first capacitor, where a first end of the first resistor is connected to the first IO endpoint, a first end of the second resistor is connected to the second IO endpoint, a first end of the first capacitor is connected to a second end of the first resistor and a second end of the second resistor, respectively, and a second end of the first capacitor is grounded.

In a specific embodiment, when the power supply circuit of the wireless remote controller inputs voltage, the first IO endpoint P23 is an output port, outputs a low level, and the second IO endpoint P45 is an output port, outputs a low level; when the gate switch K20 is turned off, the first IO endpoint P23 and the second IO endpoint P45 are connected to form a loop, the level is 0V, the current is also 0, the remote controller has no current consumption, and after the initialization is completed, the next step is performed. After the initialization of the wireless remote controller is completed, the first IO endpoint P23 is an output port, a high level is output, the second IO endpoint P45 is an input port, when the door switch K20 is opened, the pull rod is sprung, the K20 is disconnected from the ground, current passes through the first resistor R14 from the first IO endpoint P23 and then reaches the second resistor R13, the high level is detected by the second IO endpoint P45, and the remote controller has no current consumption. When the door switch K20 is closed, the pull rod is pressed down, the K20 is connected with the ground, the current forms a loop, the first IO endpoint P23 passes through the first resistor R14 and then reaches the second resistor R13, the second IO endpoint P45 detects low level, the maximum current is 200 mu A when the voltage of the wireless remote controller is 3.0V, the maximum current is 120 mu A when the voltage of the wireless remote controller is 1.8V, and the rated minimum current is 100 mu A.

The R13 resistor is added at the P45 input port to protect the internal IO of the chip, and the P45 port is prevented from being damaged when the chip is connected with the external VDD and GND; at the output end of P23, a first capacitor C18, generally 0.1uF, is added at the P45 input port, noise is generated when the door switch K20 is rapidly switched on and off, then the chip power supply is interfered by connecting the P45 and the P23 in series, and the wireless remote controller is restarted, so that the noise generated by the door switch is filtered by adding the first capacitor, and the remote controller is protected from being interfered.

Referring to fig. 2-3, optionally, the control circuit includes a control chip and a reset circuit, the reset circuit being coupled to the control chip.

Specifically, the endpoint P23 (pin 32) of the control chip U2 is connected to the first IO endpoint P23 of the switch circuit, and the endpoint P45 (pin 21) of the control chip U2 is connected to the second IO endpoint P45 of the switch circuit. The RESET circuit 100 of the control circuit comprises a RESET switch RESET, the RESET switch is pressed down, the circuit is turned on, and the control chip RESETs and restarts the remote controller; decoupling capacitor C6 filters noise of input voltage, and matching resistor R7 matches circuit current; the RESET circuit is connected to pin 41 (RESET) of the control chip U2. The crystal oscillator circuit 200 comprises a clock crystal oscillator X2, generates a clock signal and unifies the circuit; the capacitors C7 and C8 are matched capacitors of the resonant circuit, and have the effects of assisting the crystal in vibration and stable vibration; the terminal OSC1 of the crystal oscillator circuit is connected to the pin 43 (OSC 1) of the control chip U2, and the terminal OSC2 of the crystal oscillator circuit is connected to the pin 44 (OSC 2) of the control chip U2.

Referring to fig. 4, a schematic circuit diagram of a power supply circuit according to the present utility model provides a voltage through a battery VABT, filters noise through a power supply electrolytic capacitor C2, inputs the filtered noise into a matching resistor R1, and outputs a dc voltage VDD to each circuit after filtering the noise through the electrolytic capacitor C1 and a coupling capacitor C15.

Specifically, referring to fig. 5, the chip BL8531CB5TR33 is a boost DC-DC conversion chip that can be started by a power supply voltage as low as 0.8V and can supply an output current of 200mA at maximum at an output voltage of 3.3V, with an input voltage of 1.8V. The endpoint P32 of the backlight boosting circuit is connected with the endpoint P32 (pin 50) of the control chip, and the boosting chip U3 (BL 8531CB5TR 33) boosts the input voltage and outputs the boosted voltage to provide stable working voltage for the control chip; the voltage output by the boost chip is adjusted through the inductor L1, the first diode D1, the capacitor C14 and the capacitor C17, the light emitting diodes LED1 and LED2 provide backlight for the remote controller, the first triode amplifies the input information of the control chip and outputs the amplified information to the boost chip U2, and the boost chip U2 is started.

Referring to fig. 6, optionally, the intelligent remote controller further includes a storage circuit, and the storage circuit is connected with the control circuit.

Specifically, the chip BL24C04A is a serial EEPROM, which can provide hardware data protection, allows normal read/write operations when the write protect pin is connected to GND (ground), and enables and operates when the write protect pin is connected to VCC. Pins A2, A1 and A0 are device address inputs for chip BL24C 02A; the SDA pin is bidirectional serial data transmission and is connected with a pin 48 (P30) of the control chip U1; pin SCL inputs positive and negative edge clock data, connected to pin 49 (P31) of the control chip; c12 is a power decoupling capacitor, filtering power noise.

Referring to fig. 7, optionally, the intelligent remote controller further includes an infrared emission circuit, and the infrared emission circuit is connected with the control circuit.

Specifically, the endpoint P07 of the infrared emission circuit is connected with the pin 71 (P07) of the control chip, the control chip outputs an electric signal to the endpoint P07 of the infrared emission circuit through the pin 71, and the electric signal is amplified through the triode Q1 after passing through the matching resistor R10, and the infrared signal is emitted through the light emitting diode TR.

Referring to fig. 8, optionally, the smart remote controller further includes an LCD (Liquid Crystal Display ) circuit, which is connected to the control circuit.

Specifically, the endpoint COM0 of the LCD circuit is connected to the pin 17 (COM 0) of the control chip, the endpoint COM1 of the LCD circuit is connected to the pin 18 (COM 1) of the control chip, the endpoint COM2 of the LCD circuit is connected to the pin 19 (COM 2) of the control chip, the endpoint COM3 of the LCD circuit is connected to the pin 20 (COM 3) of the control chip, the endpoints SEG0-SEG35 of the LCD circuit are connected to the endpoints SEG0-SEG35 of the control chip (e.g., the endpoint SEG0 of the LCD circuit is connected to the endpoint SEG0 of the control chip, and so on), and the LCD circuit outputs a display signal.

The embodiment of the utility model has the following beneficial effects: the embodiment of the utility model provides a low-power-consumption intelligent remote controller, which comprises a power supply circuit, a switch circuit, a backlight boosting circuit and a control circuit, wherein the switch circuit comprises a first IO endpoint and a second IO endpoint, the first IO endpoint and the second IO endpoint are both in wireless connection with the control circuit, the control circuit is respectively connected with the backlight boosting circuit and the power supply circuit, and the power supply circuit is respectively connected with the switch circuit and the backlight boosting circuit. The voltage of normal work is provided through the backlight booster circuit, the control electric signal of the control chip is transmitted through the infrared transmitting circuit, the data of the remote controller is stored through the storage circuit, the display signal is output through the LCD circuit for display, the line internal resistance of the remote controller can be obviously reduced through the wireless connection of the double IO end points of the switch circuit and the double IO end points of the control circuit, the power consumption of the remote controller is reduced, the detection accuracy is improved, and therefore the safe, reliable, energy-saving and efficient low-power-consumption intelligent remote controller is provided.

While the preferred embodiment of the present utility model has been described in detail, the utility model is not limited to the embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims

1. The utility model provides a low-power consumption intelligent remote controller, its characterized in that includes power supply circuit, switch circuit, backlight boost circuit and control circuit, switch circuit includes first IO terminal point and second IO terminal point, first IO terminal point with the second IO terminal point all with control circuit wireless connection, control circuit respectively with backlight boost circuit the power supply circuit is connected, power supply circuit respectively with switch circuit with backlight boost circuit is connected.

2. The low power consumption intelligent remote controller of claim 1, wherein the switch circuit further comprises a first resistor, a second resistor and a first capacitor, wherein a first end of the first resistor is connected to the first IO endpoint, a first end of the second resistor is connected to the second IO endpoint, a first end of the first capacitor is connected to a second end of the first resistor and a second end of the second resistor, respectively, and a second end of the first capacitor is grounded.

3. The low power consumption intelligent remote control according to claim 1, wherein the control circuit comprises a control chip and a reset circuit, the reset circuit being connected to the control chip.

4. The low power consumption intelligent remote control according to claim 3, wherein the control circuit further comprises a crystal oscillator circuit, the crystal oscillator circuit being connected to the control chip.

5. The low power consumption intelligent remote controller according to claim 1, wherein the backlight boosting circuit comprises a chip BL8531CB5TR33 and a chip BL8531CB5TR33 peripheral circuit.

6. The low power intelligent remote control according to claim 5, wherein said chip BL8531CB5TR33 peripheral circuit comprises a first transistor and a first diode, both connected to said chip BL8531CB5TR 33.

7. The low power intelligent remote control according to claim 1, further comprising a memory circuit, said memory circuit being connected to said control circuit.

8. The low power intelligent remote control according to claim 7, wherein the memory circuit comprises a chip BL24C04A and a chip BL24C04A peripheral circuit.

9. The low power intelligent remote control according to claim 1, further comprising an LCD circuit, said LCD circuit being connected to said control circuit.

10. The low power consumption intelligent remote control according to claim 1, further comprising an infrared emission circuit, wherein the infrared emission circuit is connected to the control circuit.