CN210895810U

CN210895810U - Vibration awakening circuit and remote controller with same

Info

Publication number: CN210895810U
Application number: CN201922312138.6U
Authority: CN
Inventors: 刘强
Original assignee: Huizhou Chuangrongfa Industrial Co ltd
Current assignee: Huizhou Chuangrongfa Industrial Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-06-30
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a vibration awakening circuit and have its remote controller relates to the remote controller field. The vibration awakening circuit comprises a vibration feedback circuit, a main control circuit and an LED circuit, wherein the output end of the vibration feedback circuit is connected with the input end of the main control circuit, and the output end of the main control circuit is connected with the input end of the LED circuit. The utility model discloses a vibration awakening circuit can be through the illumination of vibration feedback automatic control LED for when the remote controller that has this vibration awakening circuit was taken up at the user, the background light of remote controller was automatic to light thereupon, and it is inconvenient to have avoided the user to use the remote controller under the darker condition of night or environment.

Description

Vibration awakening circuit and remote controller with same

Technical Field

The utility model belongs to the technical field of the remote controller and specifically relates to a vibration awakening circuit and have its remote controller is related to.

Background

The function of the existing remote controller is single, for example, a user uses the remote controller at night or under the condition of dark environment, the user cannot use the remote controller or the remote controller is inconvenient to use due to the fact that the user cannot see keys on the remote controller clearly, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a vibration awakening circuit can be through the illumination of vibration feedback automatic control LED.

The utility model discloses still provide a remote controller with above-mentioned vibration wake-up circuit.

In a first aspect, an embodiment of the present invention provides a vibration wake-up circuit, including vibration feedback circuit, main control circuit and LED circuit, the output of vibration feedback circuit with main control circuit's input is connected, main control circuit's output with the input of LED circuit is connected.

The utility model discloses vibration awakening circuit has following beneficial effect at least: the lighting of the LEDs can be automatically controlled by vibration feedback.

According to the utility model discloses a vibration awakening circuit of other embodiments, vibration feedback circuit includes vibration sensor and MOS switch tube, vibration sensor's output with the grid of MOS switch tube is connected, the source electrode ground connection of MOS switch tube, the drain electrode of MOS switch tube with master control circuit's input is connected.

According to the utility model discloses a vibration awakening circuit of other embodiments, the LED circuit includes triode and a plurality of emitting diode, master control circuit's output with the base of triode is connected, the projecting pole ground connection of triode, the collecting electrode of triode is with a plurality of emitting diode's negative pole is connected, and is a plurality of emitting diode's positive pole connects outside input voltage.

According to the utility model discloses a vibration wake-up circuit of other embodiments, the circuit still includes keying circuit, keying circuit's output with master control circuit's input is connected.

According to the utility model discloses a vibration awakening circuit of other embodiments, the circuit still includes transmitting circuit, main control circuit's output with transmitting circuit's input is connected, transmitting circuit is used for transmitting infrared light.

According to the utility model discloses a vibration awakening circuit of other embodiments, the circuit still includes power supply circuit, power supply circuit includes battery and filter capacitance, the positive pole of battery meets external input voltage, the negative pole ground connection of battery, filter capacitance's positive pole meets external input voltage, filter capacitance's negative pole ground connection.

According to other embodiments of the present invention, the main control circuit comprises an LX374IC chip.

In a second aspect, an embodiment of the present invention provides a remote controller, including the above-mentioned vibration wake-up circuit.

Drawings

Fig. 1 is a block diagram of a vibration wake-up circuit according to an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of an embodiment of a vibration wake-up circuit according to the present invention;

fig. 3 is a schematic circuit diagram of an LED circuit of the vibration wake-up circuit according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a key circuit of the vibration wake-up circuit according to an embodiment of the present invention.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or indirectly disposed, secured, connected, or mounted to the other feature.

In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

Example one

Referring to fig. 1, a block diagram of a vibration wake-up circuit in the present embodiment is shown. The vibration wake-up circuit specifically comprises: the LED driving circuit comprises a vibration feedback circuit, a main control circuit and an LED circuit, wherein the output end of the vibration feedback circuit is connected with the input end of the main control circuit, and the output end of the main control circuit is connected with the input end of the LED circuit.

Specifically, the vibration feedback circuit generates a vibration signal when being vibrated by the outside world and feeds the vibration signal back to the main control circuit, and the main control circuit receives the vibration signal and controls the LED circuit according to the vibration signal so as to light the LED.

Furthermore, the vibration wake-up circuit also comprises a key circuit, and the output end of the key circuit is connected with the input end of the main control circuit. The key circuit comprises a physical key, and a user presses the physical key to send a key signal to the main control circuit.

Furthermore, the vibration awakening circuit also comprises a transmitting circuit, wherein the output end of the main control circuit is connected with the input end of the transmitting circuit, and the transmitting circuit is used for transmitting infrared rays. After receiving the key signal, the main control circuit controls the transmitting circuit to send different infrared signals to the external receiving equipment according to the key signal.

Furthermore, the vibration wake-up circuit also comprises a power circuit, the power circuit comprises a battery and a filter capacitor, the anode of the battery is connected with an external input voltage, the cathode of the battery is grounded, the anode of the filter capacitor is connected with the external input voltage, and the cathode of the filter capacitor is grounded. The power supply circuit is used for supplying power to the vibration wake-up circuit.

Example two

Referring to fig. 2, a circuit schematic diagram of the vibration wake-up circuit in the present embodiment is shown.

Referring to fig. 3, a schematic circuit diagram of the LED circuit of the vibration wake-up circuit in the present embodiment is shown.

With reference to fig. 2 and 3:

the resistors R2-R6, the vibration sensor S1, the capacitors C2-C4, the diode D7 and the MOS switch tube Q1 form a vibration feedback circuit;

the LED circuit consists of a resistor R13, a resistor R12, a triode Q2, resistors R7-R11 and light emitting diodes D2-D6;

the chip U1 constitutes a master control circuit, and the model of the chip U1 is LX374 IC;

the infrared transmitting tube D1 forms a transmitting circuit;

the battery BT1, the filter capacitor E1 and the capacitor C1 form a power supply circuit.

Referring to fig. 4, a schematic circuit diagram of the key circuit of the vibration wake-up circuit in the present embodiment is shown. K1-K55 are physical keys, A0-A3, B0-B4, B6 and B7 are output ends of a key circuit and are respectively connected to A0-A3, B0-B4, B6 and B7 of a chip U1.

Based on the above circuit composition, the circuit principle is explained: a user respectively outputs corresponding key signals by pressing physical keys K1-K55, the key signals are input to the chip U1 through A0-A3, B0-B4, B6 and B7, and the chip U1 controls the infrared emission tube D1 to send different infrared signals to external receiving equipment according to the key signals.

When the vibration sensor S1 is vibrated by the outside world, the switch in short circuit is vibrated to be an open circuit, the voltage of the grid electrode of the MOS switch tube Q1 is increased, the voltage difference between the source electrode and the drain electrode reaches a conducting value, the MOS switch tube Q1 is conducted to pull down the voltage of the A7 pin of the chip U1, the chip U1 outputs the voltage to the base electrode of the triode Q2 through the B5 pin after receiving information, and the triode Q2 is conducted, so that the light-emitting diodes D2-D6 are lightened.

EXAMPLE III

The embodiment provides a remote controller, which comprises a vibration wake-up circuit as described in the first embodiment and the second embodiment. The light emitting diodes D2-D6 can be used as backlights of the remote controller, and the physical keys K1-K55 can be used as functional keys of the remote controller and are used for sending codes when a user uses the remote controller.

The vibration wake-up circuit is applied to the remote controller (for a specific working process, see the description of the first embodiment and the second embodiment), so that when a user takes up the remote controller, a background light of the remote controller is automatically lightened, and inconvenience in using the remote controller at night or under the condition of dark environment is avoided.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. The utility model provides a vibration awakening circuit which characterized in that, includes vibration feedback circuit, master control circuit and LED circuit, vibration feedback circuit's output with master control circuit's input is connected, master control circuit's output with the input of LED circuit is connected.

2. The vibration wake-up circuit according to claim 1, wherein the vibration feedback circuit comprises a vibration sensor and an MOS switch tube, the output terminal of the vibration sensor is connected to the gate of the MOS switch tube, the source of the MOS switch tube is grounded, and the drain of the MOS switch tube is connected to the input terminal of the main control circuit.

3. The vibration wake-up circuit according to claim 2, wherein the LED circuit comprises a transistor and a plurality of light emitting diodes, the output terminal of the main control circuit is connected to the base of the transistor, the emitter of the transistor is grounded, the collector of the transistor is connected to the cathodes of the plurality of light emitting diodes, and the anodes of the plurality of light emitting diodes are connected to an external input voltage.

4. A vibration wake-up circuit according to claim 3, further comprising a key circuit, wherein an output of the key circuit is connected to an input of the main control circuit.

5. A vibration wake-up circuit according to claim 4, characterized in that the circuit further comprises a transmitting circuit, the output of the main control circuit is connected to the input of the transmitting circuit, and the transmitting circuit is configured to transmit infrared light.

6. The vibration wake-up circuit according to claim 5, further comprising a power circuit, wherein the power circuit comprises a battery and a filter capacitor, the positive electrode of the battery is connected to the external input voltage and the transmitting circuit, the negative electrode of the battery is grounded, the positive electrode of the filter capacitor is connected to the external input voltage, and the negative electrode of the filter capacitor is grounded.

7. A vibration wake-up circuit according to any one of claims 1 to 6, characterized in that the master control circuit comprises an LX374IC chip.

8. A remote control comprising a vibration wake-up circuit as claimed in any one of claims 1 to 7.