CN220273912U

CN220273912U - Intelligent timer switching device

Info

Publication number: CN220273912U
Application number: CN202320436897.7U
Authority: CN
Inventors: 周国安
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-12-29
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses an intelligent timer switch device which comprises an AC input connection component, a timer main body and an AC output connection component, wherein one end of the AC input connection component is connected with one end of the timer main body, and the other end of the timer main body is connected with one end of the AC output connection component; the timer main body comprises a controller, an indicator lamp and an alternating current transformer with detection current power, wherein the indicator lamp and the alternating current transformer are electrically connected with the controller; according to the utility model, the power of the current flowing through the timer main body is detected through the alternating current transformer, the load power in use is marked through the indicator lamp, and when the load is overloaded, the power supply is turned off through the controller, so that a user is automatically helped to cut off the power supply and enter protection, the overload use of the LED lamp string is reduced, and the service life of the LED lamp string is prolonged to a certain extent.

Description

Intelligent timer switching device

Technical Field

The utility model relates to the technical field of lamp string control, in particular to an intelligent timer switching device.

Background

Along with the high-speed development of the mobile internet and the Internet of things, the LED Christmas lamp string is developed towards intellectualization and informatization to meet the demands of users, and the current LED Christmas lamp string control mode has manual control and wireless control, for example, patent document, application number is 201510144708.9, and the utility model discloses an LED Christmas lamp string wireless controller and an LED lamp string thereof, wherein a switching power supply circuit, a Wi-Fi wireless main control module and an LED driving circuit are arranged in the wireless controller; the controller is provided with an alternating current plug, a switching button and an LED lamp string interface; one end of the switching power supply circuit is electrically connected to an alternating current power supply through an alternating current plug, and the other end of the switching power supply circuit is input to the Wi-Fi wireless master control module; the Wi-Fi wireless main control module outputs 2 lines to the LED driving circuit, and the LED driving circuit outputs two lines to be connected with the LED lamp string.

However, this control method still has the following drawbacks:

the wireless controller drives the electric contact through the gravity sensor and the energy storage spring made of the elastic sensitive element, the conversion from gravity change to electric signals is completed, the intelligent timer can play a role in timing and turning off, the intelligent timer is not convenient to confirm whether the LED lamp string is in overload use or not in time due to the fact that the LED lamp string is in overload indication by only timing and turning off the intelligent timer, and if the LED lamp string is in overload use for a long time, the service life of the LED lamp string is reduced, so that the intelligent timer switching device is required to be provided for solving the problems.

Disclosure of Invention

The utility model aims to provide an intelligent timer switch device, which detects the power of the current flowing through a timer main body through an alternating current transformer, marks the power of a load in use through an indicator lamp, and automatically helps a user to cut off the power supply to enter protection through a controller when the load is overloaded, so that the overload use of an LED lamp string is reduced, and the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an intelligent timer switch device comprises an AC input connection assembly, a timer main body and an AC output connection assembly, wherein one end of the AC input connection assembly is connected with one end of the timer main body, and the other end of the timer main body is connected with one end of the AC output connection assembly; the timer main body comprises a controller, an indicator light and an alternating current transformer with detection current power, wherein the indicator light and the alternating current transformer are electrically connected with the controller.

Preferably, the timer main body further comprises a shell, the indicator lamps are arranged in a plurality of groups, and the indicator lamps are arranged on one side of the shell side by side.

Preferably, the AC input connection assembly includes two AC input pins, the AC input pins being fixed at one end of the housing.

Preferably, the AC input connection assembly comprises an AC plug, one end of the AC plug is communicated with one end of the housing through a wire harness, and two AC input pins are arranged at the other end of the AC plug.

Preferably, the AC output connection assembly includes two AC output ports, and the two AC output ports are disposed at the other end of the housing.

Preferably, the AC output connection assembly comprises an AC tail socket, one end of the AC tail socket is connected with the other end of the housing through an AC wire, and two AC output ports are arranged at the other end of the AC tail socket.

Preferably, the alternating current transformer comprises an AD7750 chip, a current transformer CT is connected between three pins and four pins of the AD7750 chip, and one end of the current transformer CT is connected with a resistor with a resistance value of 1 omega, a resistor with a resistance value of 100 omega and a capacitor with a capacitance value of 330 nF.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the power of the current flowing through the timer main body is detected through the alternating current transformer, the load power in use is marked through the indicator lamp, and when the load is overloaded, the power supply is turned off through the controller, so that a user is automatically helped to cut off the power supply and enter protection, the overload use of the LED lamp string is reduced, and the service life of the LED lamp string is prolonged to a certain extent.

2. According to the utility model, through the cooperation of the AC input connection assembly, the AC output connection assembly and the timer main body, the timer which is selected to contain different AC input connection assemblies and AC output connection assemblies is conveniently connected with the Christmas lamp string according to actual use requirements, and the intelligent timer is suitable for use in different scenes, and the flexibility of installation of the intelligent timer is improved to a certain extent.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;

FIG. 2 is a schematic structural view of embodiment 2 of the present utility model;

FIG. 3 is a schematic structural view of embodiment 3 of the present utility model;

fig. 4 is a circuit diagram of an ac transformer of the present utility model.

In the figure: 1. an AC input connection assembly; 101. an AC input pin; 102. an AC plug; 2. a timer main body; 201. a housing; 202. an indicator light; 3. an AC output connection assembly; 301. an AC output port; 302. an AC tail jack.

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.

Example 1

Referring to fig. 1, the present utility model provides a technical solution: an intelligent timer switch device comprises an AC input connection assembly 1, a timer main body 2 and an AC output connection assembly 3, wherein one end of the AC input connection assembly 1 is connected with one end of the timer main body 2, and the other end of the timer main body 2 is connected with one end of the AC output connection assembly 3; the timer main body 2 comprises a controller, an indicator lamp 202 and an alternating current transformer with detection current power, wherein the indicator lamp 202 and the alternating current transformer are electrically connected with the controller;

the timer main body 2 further comprises a casing 201, the indicator lamps 202 are provided with a plurality of groups, and the indicator lamps 202 are arranged on one side of the casing 201 side by side.

The AC input connection assembly 1 comprises two AC input pins 101, the AC input pins 101 are fixed at one end of the casing 201, the AC output connection assembly 3 comprises two AC output ports 301, the two AC output ports 301 are arranged at the other end of the casing 201, the AC input pins 101 are connected with direct current, the AC output ports 301 are connected with a christmas light string for use, and the switch of the christmas light string is conveniently controlled through the timer main body 2.

As shown in fig. 4, the circuit diagram of the ac transformer includes an AD7750 chip, a current transformer CT is connected between three pins and four pins of the AD7750 chip, one end of the current transformer CT is connected with a resistor with a resistance value of 1 Ω, a resistor with a resistance value of 100 Ω and a capacitor with a capacitance value of 330nF, six pins of the AD7750 chip are connected with an R1, an adjustable resistor with a resistance value of 100 Ω and a resistor with a resistance value of 1.1kΩ and a capacitor with a capacitance value of 33nF, and seven pins of the AD7750 chip are connected with a resistor with a resistance value of 1kΩ and a capacitor with a capacitance value of 33 uF.

In operation, both voltage and current are measured at the high voltage side, and therefore voltage and current signals are detected using a voltage divider. The AD7750 chip has current signal (V1) and voltage signal (V2)) input terminals, and the internal processing of each input terminal is slightly different. The current signal terminal processes small amplitude signals, and is internally provided with an adjustable gain amplifier PGA, and the two input terminals can be set to be 1 time or 16 times. The voltage signal terminal is fixed to be 2 times. The voltage at any input terminal is controlled to be within 1V based on the AGND terminal. In addition, the input voltage of the A/D converter in the AD7750 chip is within 2V. The voltage and current signals are converted into digital signals through A/D conversion, and then the digital signals are multiplied, filtered and the like to calculate power values. Finally, the output pulse train is changed into pulse train output, the output pulse train has two types of low speed (F1 and F2 output ends) and high speed (FOUT output end), and the frequency range is adjusted by the program stored in the register. The low-speed output is used as display of a counter or data input to a CPU or the like, and the high-speed output is used as frequency correction data of instantaneous power. The current sampling is input to 3 and 4 pins of the AD7750 through a transformer current transformer CT, the voltage sampling directly takes 220V voltage and inputs the 220V voltage to 6 and 7 pins of the AD7750 through an R1 attenuator, the power of the current flowing through the timer main body is detected through an alternating current transformer, the load power in use is marked through an indicator lamp, when the load is overloaded, the power supply is turned off through a controller, a user is automatically helped to cut off the power supply and enter protection, overload use of the LED lamp string is reduced, and the service life of the LED lamp string is prolonged to a certain extent.

Example 2

The same points are not repeated, and unlike in embodiment 1, as shown in fig. 2, the AC input connection assembly 1 includes an AC plug 102, one end of the AC plug 102 is connected to one end of the housing 201 through a wire harness, and two AC input pins 101 are disposed at the other end of the AC plug 102.

The AC output connection assembly 3 comprises two AC output ports 301, the two AC output ports 301 are arranged at the other end of the casing 201, the AC input pins 101 are connected with direct current, and the AC output ports 301 are connected with the christmas light string for use, so that the on-off of the christmas light string can be controlled conveniently through the timer main body 2.

Example 3

The same points are not repeated, and unlike in embodiment 1, as shown in fig. 3, the AC input connection assembly 1 includes an AC plug 102, one end of the AC plug 102 is connected to one end of the housing 201 through a wire harness, and two AC input pins 101 are disposed at the other end of the AC plug 102.

The AC output connection assembly 3 comprises an AC tail socket 302, one end of the AC tail socket 302 is connected with the other end of the casing 201 through an AC wire, two AC output ports 301 are arranged at the other end of the AC tail socket 302, the AC input pins 101 are connected with dc power, the AC output ports 301 are connected with the christmas light string for use, and the switch of the christmas light string is controlled through the timer main body 2 conveniently.

In summary, the above embodiments provide different connection modes of the AC input connection assembly 1 and the AC output connection assembly 3, so that the timer including the different AC input connection assembly 1 and the AC output connection assembly 3 can be conveniently connected with the christmas light string according to actual use requirements, and the timer is suitable for use in different situations, and the flexibility of installing the intelligent timer is improved to a certain extent.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intelligent timer switching device, includes AC input connection subassembly (1), timer main part (2) and AC output connection subassembly (3), its characterized in that: one end of the AC input connection component (1) is connected with one end of the timer main body (2), and the other end of the timer main body (2) is connected with one end of the AC output connection component (3); the timer main body (2) comprises a controller, an indicator lamp (202) and an alternating current transformer with detection current power, wherein the indicator lamp (202) and the alternating current transformer are electrically connected with the controller.

2. An intelligent timer switching apparatus as claimed in claim 1, wherein: the timer main body (2) further comprises a shell (201), the indicator lamps (202) are arranged in a plurality of groups, and the indicator lamps (202) are arranged on one side of the shell (201) side by side.

3. An intelligent timer switching apparatus as claimed in claim 2, wherein: the AC input connection assembly (1) comprises two AC input pins (101), the AC input pins (101) being fixed at one end of a housing (201).

4. An intelligent timer switching apparatus as claimed in claim 2, wherein: the AC input connection assembly (1) comprises an AC plug (102), one end of the AC plug (102) is communicated with one end of the shell (201) through a wire harness, and two AC input pins (101) are arranged at the other end of the AC plug (102).

5. An intelligent timer switching apparatus as claimed in claim 3 or 4, wherein: the AC output connection assembly (3) comprises two AC output ports (301), and the two AC output ports (301) are arranged at the other end of the shell (201).

6. An intelligent timer switching apparatus as set forth in claim 4 wherein: the AC output connection assembly (3) comprises an AC tail socket (302), one end of the AC tail socket (302) is connected with the other end of the shell (201) through an alternating current wire, and two AC output ports (301) are formed in the other end of the AC tail socket (302).

7. An intelligent timer switching apparatus as claimed in claim 1, wherein: the alternating current transformer comprises an AD7750 chip, a current transformer CT is connected between three pins and four pins of the AD7750 chip, and one end of the current transformer CT is connected with a resistor with a resistance value of 1 omega, a resistor with a resistance value of 100 omega and a capacitor with a capacitance value of 330 nF.