CN210223898U

CN210223898U - Bluetooth timing switch

Info

Publication number: CN210223898U
Application number: CN201921600680.5U
Authority: CN
Inventors: Chuansheng Zhuo; 卓传生
Original assignee: Luohe Red Yellow And Blue Electronic Technology Co ltd
Current assignee: Luohe Red Yellow And Blue Electronic Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-03-31
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a bluetooth time switch aims at solving the technical problem that current time switch operation is inconvenient, the leakproofness is not strong. The utility model comprises a power module, a Bluetooth module, a clock module and a storage module, wherein the Bluetooth module is correspondingly connected with the clock module, the power module is used for providing a direct current power supply, and the storage module is used for storing timing information; the power module comprises a voltage reduction unit, a rectification unit, a filtering unit and a driving unit which are sequentially connected, wherein the voltage reduction unit comprises a current-limiting capacitor, and the current-limiting capacitor is electrically connected with a live wire of the mains supply; the drive unit comprises a drive triode and a relay, the control electrode of the drive triode is electrically connected with the output end of the Bluetooth module, and the output electrode of the drive triode is electrically connected with the coil of the relay. The utility model has the advantages of: convenient operation, strong sealing performance, small volume and low power consumption.

Description

Bluetooth timing switch

Technical Field

The utility model relates to a time switch technical field, concretely relates to bluetooth time switch.

Background

The timing switch is a device capable of performing on-off operation on a circuit according to preset time, and is widely applied to control of LED lamps and signs. The existing timing switch is provided with a control panel, a liquid crystal display screen is arranged on the panel and used for displaying parameter setting, such as current time, timing interval, switch on time and the like, and keys are arranged below the display screen to adjust the values of the parameters. Although the timing function is realized, the switch structure needs manual contact adjustment, the operation is inconvenient, and in addition, the panel contains more parts, the structure is more complicated, and the sealing performance is not strong enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bluetooth time switch is in order to solve the inconvenient, not strong technical problem of leakproofness of current time switch operation.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a Bluetooth timing switch is designed, and comprises a power module, a Bluetooth module, a clock module and a storage module, wherein the Bluetooth module is correspondingly connected with the clock module, the power module is used for providing a direct-current power supply, and the storage module is used for storing timing information; the power module comprises a voltage reduction unit, a rectification unit, a filtering unit and a driving unit which are sequentially connected, wherein the voltage reduction unit comprises a current-limiting capacitor, and the current-limiting capacitor is electrically connected with a live wire of the mains supply; the drive unit comprises a drive triode and a relay, the control electrode of the drive triode is electrically connected with the output end of the Bluetooth module, and the output electrode of the drive triode is electrically connected with the coil of the relay.

Preferably, the driving transistor is a composite transistor of at least two stages.

Preferably, each stage of the composite triode is a 2N5551 type NPN triode.

Preferably, the two ends of the current-limiting capacitor are connected in parallel with an absorption resistor.

Preferably, the rectifying unit comprises an MB10S rectifying bridge, and the output end of the rectifying bridge outputs 24V direct current.

Preferably, the bluetooth module comprises a bluetooth chip of type CW6626B, the 10 pin of which is electrically connected to the control electrode of the driving transistor.

Preferably, the clock module comprises a PCF8563 clock chip.

Preferably, a button battery is connected to the 8 feet of the PCF8563 type clock chip.

Compared with the prior art, the utility model discloses a main beneficial technological effect lies in:

1. the utility model discloses a bluetooth module can with handheld terminal equipment, like radio communication such as cell-phone, remote regulating switch's parameter, convenient to use.

2. The utility model discloses need not set up parts such as control panel, button, whole leakproofness is strong, helps increase of service life.

3. The utility model discloses use electric capacity as step-down component, it is small, with low costs, the electric current is steady moreover, and static low power dissipation.

4. The utility model discloses a multistage triode helps the discharge capacity of the instantaneous current of reinforcing switch disconnection.

Drawings

Fig. 1 is the circuit diagram of the bluetooth timing switch power module of the utility model.

Fig. 2 is the circuit diagram of the bluetooth timing switch bluetooth module of the utility model.

Fig. 3 is the circuit diagram of the bluetooth timing switch clock module of the present invention.

Detailed Description

The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.

Example 1: a bluetooth timing switch, refer to fig. 1 to fig. 3, the main circuit is the power module shown in fig. 1, interface J100 connects 220V commercial power, pin 1 is live wire,

pins

2 and 3 are zero line, pin 4 is ground wire, the load is connected to pin 1 and pin 4, the 220V power makes its periodic charging and discharging through the electric capacity C101, because its self impedance realizes the purpose of step-down, the both ends of the electric capacity C101 connect the resistance R101 in parallel, provide a leakage path for the electric charge in the electric capacity when the switch is disconnected; the current is converted into direct current by entering a rectifier bridge MB10S after being subjected to voltage reduction by a capacitor, the output end of the MB10S is connected with a filter capacitor C102 in parallel, noise in the current is filtered, the output current is more stable, 24V direct current is output by the rectifier bridge to drive a coil of a relay J101, the driving part of the coil comprises a three-level NPN triode 2N5551, namely Q101, Q102 and Q103, the collector of the Q101 is connected with the base of the Q102, the collector of the Q102 is connected with the base of the Q103, a composite tube is formed, and the driving capability is enhanced. A freewheeling diode D102 is also connected in parallel with the coil to provide a bleed-off path for reverse current when the power is off. In addition, an indicator light LED101 is connected in parallel to the coil and used for indicating the switch state.

The control circuit comprises a Bluetooth module shown in fig. 2 and a clock module shown in fig. 3, the Bluetooth module adopts CW6626B, a built-in memory is used for storing timing information sent by the terminal equipment,

pins

2 and 3 of the Bluetooth module are connected with crystal oscillators Y201,

pins

19 and 20 of the crystal oscillators to be signal transceiving terminals, a pin 12 outputs a direct current 3.3V power supply, and a pin 15 inputs a power supply terminal to be connected with a 3.9V power supply output by Q102 in the power supply module. 4. The 5 feet are connected with a clock module PCF8563, the 8 feet of the clock module are connected with a 3.3V power supply output by a Bluetooth module, in addition, a group of button batteries CR1220 are connected in parallel on the 3.3V power supply to serve as a standby power supply, and when the system is powered off, the standby power supply is started, so that the clock module can continuously time.

The Bluetooth timing switch utilizes the clock module to time, reads the timing information of the clock module through the wireless connection of the Bluetooth module and the terminal equipment, and simultaneously sends the timing parameters to the memory of the Bluetooth module, so that the wireless connection can be disconnected to enable the switch to operate automatically. When the clock module reaches the appointed time, a pin 10 of the Bluetooth module sends a control signal to a base electrode of a Q101 in the power module, when the control signal is at a low potential, the Q101 is cut off, the Q102 is connected, the Q103 is cut off, and a coil power-off contact is disconnected; when the control signal is high, Q101 is conducted, Q102 is cut off, Q103 is conducted, the coil is electrified, and the contact is closed. Remote control is realized through the mode, and the use is convenient.

The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation ranges of the present invention and will not be described in detail herein.

Claims

1. A bluetooth timing switch, characterized by: the Bluetooth timing switch comprises a power module, a Bluetooth module, a clock module and a storage module, wherein the Bluetooth module is correspondingly connected with the clock module, the power module is used for providing a direct-current power supply, and the storage module is used for storing timing parameters of the Bluetooth timing switch; the power module comprises a voltage reduction unit, a rectification unit, a filtering unit and a driving unit which are sequentially connected, wherein the voltage reduction unit comprises a current-limiting capacitor, and the current-limiting capacitor is electrically connected with a live wire of a mains supply; the driving unit comprises a driving triode and a relay, a control electrode of the driving triode is electrically connected with an output end of the Bluetooth module, and an output electrode of the driving triode is electrically connected with a coil of the relay.

2. The bluetooth timing switch of claim 1, wherein: the driving triode is a composite triode with at least two stages.

3. The bluetooth timing switch of claim 2, wherein: each stage of the composite triode is a 2N5551 type NPN triode.

4. The bluetooth timing switch of claim 1, wherein: and two ends of the current-limiting capacitor are connected with an absorption resistor in parallel.

5. The bluetooth timing switch of claim 1, wherein: the rectifying unit comprises an MB10S rectifying bridge, and the output end of the rectifying bridge outputs 24V direct current.

6. The bluetooth timing switch of claim 1, wherein: the bluetooth module comprises a CW6626B type bluetooth chip, the 10 pin of which is electrically connected with the control electrode of the driving triode.

7. The bluetooth timing switch of claim 1, wherein: the clock module comprises a PCF8563 type clock chip.

8. The bluetooth timing switch of claim 7, wherein: and a button battery is connected with the 8 pins of the PCF8563 type clock chip.