CN216700391U

CN216700391U - Energy-saving lamp with time delay function and controller thereof

Info

Publication number: CN216700391U
Application number: CN202122725561.6U
Authority: CN
Inventors: 蔡毅龙
Original assignee: Heyuan Baochengxin Lighting Co ltd
Current assignee: Heyuan Baochengxin Lighting Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-07
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses an energy-saving lamp with time delay function and a controller thereof, comprising: the power supply driving unit is connected with the LED energy-saving lamp illuminant. The utility model is easy to realize, low in cost and sensitive in response.

Description

Energy-saving lamp with time delay function and controller thereof

Technical Field

The utility model relates to the field of energy-saving lamps, in particular to an energy-saving lamp with a time delay function and a controller thereof.

Background

The LED energy-saving lamp is a new generation of lighting source after a common energy-saving lamp, is environment-friendly, does not contain mercury, can be recycled, has small power, high luminous efficiency and long service life, can be turned on and turned on immediately, is resistant to frequent switching, has small light decay, is rich in color, can adjust light and is rich in illusion.

At present, energy conservation in public places is all sound control induction or human body induction, generally has a time delay function, and is generally delayed to be turned off after no sound exists, but the existing energy-saving lamp does not have a current protection function and is not delayed enough sensitively, so that the energy-saving lamp with the time delay function and the controller thereof are provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-saving lamp with a time delay function and a controller thereof, and aims to solve the problems of poor delay effect and lack of protection.

The utility model is realized by the following steps:

in a first aspect, the present application provides a controller for an energy saving lamp with a time delay function, comprising: a power driving unit and a delay control unit, wherein,

the delay control unit comprises a signal induction sensor, an operational amplifier, an in-phase comparator, a P-channel enhanced field effect transistor, a power-off delay relay and a power-off delay relay coil, wherein the signal induction sensor is connected with the input end of the operational amplifier, the output end of the operational amplifier is connected with the positive input end of the in-phase comparator, the negative input end of the in-phase comparator is connected with a reference voltage, the output end of the in-phase comparator is connected with the grid electrode of the P-channel enhanced field effect transistor, the source electrode of the P-channel enhanced field effect transistor is connected with a voltage input end, the drain electrode of the P-channel enhanced field effect transistor is connected with the power-off delay relay coil, the power-off delay relay is connected with the power-off delay relay coil and the P-channel enhanced field effect transistor in parallel, the first common input end of the parallel connection is connected with the voltage input end, the parallel second common output end is connected with the power driving unit, the power driving unit is connected with the LED energy-saving lamp luminous body, and the contact of the power-off delay relay is in a normally open state.

Further, the power driving unit comprises a voltage reduction capacitor, a discharge resistor, a rectifier bridge, a filter capacitor and a current limiting resistor, wherein the voltage reduction capacitor is connected with the discharge resistor in parallel, the voltage reduction capacitor is connected with a first common end of the discharge resistor in parallel, a second common end of the power-off delay relay and a second common end of the power-off delay relay coil are connected, the voltage reduction capacitor is connected with a second common end of the discharge resistor in parallel, the first end of the rectifier bridge is connected with the second end of the rectifier bridge, the current limiting resistor is connected with an input end of the LED energy-saving lamp luminous body, the output end of the LED energy-saving lamp luminous body is connected with the fourth end of the rectifier bridge, the filter capacitor is connected between the second end and the fourth end of the rectifier bridge in parallel, and the third end of the rectifier bridge is grounded.

Furthermore, the luminous body of the LED energy-saving lamp adopts a surface mount light-emitting diode.

Further, the signal sensing sensor comprises at least one of an infrared sensor, a sound sensor or a light sensor.

In a second aspect, the application provides an electricity-saving lamp with time delay function, arbitrary including the first aspect controller, lamp stand, LED electricity-saving lamp luminous body and lamp body with time delay function, the controller is installed in the lamp stand, the controller with LED electricity-saving lamp luminous body electric connection, be equipped with on the lamp stand with LED electricity-saving lamp luminous body mechanical connection's structure, the lamp body is installed the outside of LED electricity-saving lamp luminous body, and with lamp stand threaded connection.

Compared with the prior art, the utility model has the beneficial effects that: the LED energy-saving lamp can effectively prevent the impact of overload current on the luminous body of the LED energy-saving lamp through the power supply driving unit to play a role in protection, and plays a role in delayed closing through the delay control unit, and the delay control unit has the advantages of simple components, easiness in realization, low cost and sensitive response.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a circuit diagram of a controller of an energy saving lamp with a time delay function.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, the present application provides a controller of an energy saving lamp with a time delay function, comprising: a power driving unit and a delay control unit, wherein,

the time delay control unit comprises a signal induction sensor P1, an operational amplifier A1, a same-phase comparator A2, a P-channel enhanced field effect tube D2, a power-off time delay relay KT1 and a power-off time delay relay coil, wherein the signal induction sensor P1 is connected with the input end of the operational amplifier A1, the output end of the operational amplifier A1 is connected with the positive phase input end of the same-phase comparator A2, the reverse phase input end of the same-phase comparator A2 is connected with a reference voltage, the output end of the same-phase comparator A2 is connected with the grid of the P-channel enhanced field effect tube D2, the source of the P-channel enhanced field effect tube D2 is connected with a voltage input end, the drain of the P-channel enhanced field effect tube D2 is connected with the power-off time delay relay coil, and the power-off time delay relay KT1 is connected with the power-off time delay relay coil and the P-channel enhanced field effect tube in parallel, the parallel first common input end is connected with the voltage input end, the parallel second common output end is connected with the power driving unit, the power driving unit is connected with the LED energy-saving lamp luminous body, and the contact of the power-off delay relay is in a normally open state.

Further, the power driving unit comprises a voltage reduction capacitor C1, a bleeder resistor R2, a rectifier bridge D1, a filter capacitor C2 and a current limiting resistor R3, the voltage reduction capacitor C1 and the bleeder resistor R2 are connected in parallel, a first common end of a voltage reduction capacitor C1 and the bleeder resistor R2 which are connected in parallel is connected with a second common output end of the power-off delay relay KT1 and the power-off delay relay coil, a second common end of the voltage reduction capacitor C1 and the bleeder resistor R2 which are connected in parallel is connected with a first end of the rectifier bridge D1, a second end of the rectifier bridge D1 is connected with the current limiting resistor R3, the current limiting resistor R3 is connected with an input end of the LED energy-saving lamp luminous body, an output end of the LED energy-saving lamp luminous body is connected with a fourth end of the rectifier bridge d1xz.net, the filter capacitor C2 is connected in parallel between the second end and the fourth end of the rectifier bridge D1, and a third end of the rectifier bridge D1 is grounded.

In the power driving unit, the voltage is reduced by the voltage reduction capacitor C1, rectified by the rectifier bridge and then supplied to the light emitting diode by the filter capacitor C2 and the current limiting resistor R3 to provide a constant current power supply, and the damage of the impact current to the light emitting diode during the light-on can be prevented by the filter capacitor and the current limiting resistor.

Further, the signal sensing sensor P1 includes at least one of an infrared sensor, a sound sensor, or a light sensor.

The working principle is as follows:

in one example, for example, an infrared sensor detects an infrared signal radiated by a human body, converts the infrared signal into a weak electrical signal, and sends the weak electrical signal to an operational amplifier for amplification to obtain an amplified electrical signal with high gain and low noise, a same-phase amplifier compares the amplified electrical signal with a reference voltage signal, the amplified electrical signal is greater than the reference voltage signal and outputs a high level, and a grid of a P-channel enhanced field effect transistor is conducted after obtaining a high level control signal, so that a coil of a power-off time delay relay is electrified, the power-off time delay relay is instantly closed, and a light emitting diode emits light, thereby realizing the process of lighting the human;

when the infrared signal of the human body disappears, the in-phase amplifier outputs a low level, the P-channel enhanced field effect transistor is cut off, the coil of the power-off delay relay is powered off, and the power-off delay relay is switched off after delaying for a certain time, so that the delayed power-off is realized.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A controller for an energy saving lamp with time delay, comprising: a power driving unit and a delay control unit, wherein,

2. The controller of energy-saving lamp with time delay function according to claim 1, the power driving unit comprises a voltage reduction capacitor, a discharge resistor, a rectifier bridge, a filter capacitor and a current limiting resistor, the voltage reduction capacitor and the bleeder resistor are connected in parallel, a first common end of the voltage reduction capacitor and the bleeder resistor which are connected in parallel is connected with a second common output end of the coils of the power-off delay relay and the power-off delay relay, a second common end of the voltage reduction capacitor and the bleeder resistor which are connected in parallel is connected with a first end of the rectifier bridge, a second end of the rectifier bridge is connected with the current limiting resistor, the current-limiting resistor is connected with the input end of the luminous body of the LED energy-saving lamp, the output end of the luminous body of the LED energy-saving lamp is connected with the fourth end of the rectifier bridge, the filter capacitor is connected between the second end and the fourth end of the rectifier bridge in parallel, and the third end of the rectifier bridge is grounded.

3. The controller of an energy-saving lamp with a time delay function as claimed in claim 1, wherein the LED energy-saving lamp illuminant is a patch LED.

4. The controller for an energy-saving lamp with time delay function as claimed in claim 1, wherein said signal induction sensor comprises at least one of an infrared sensor, a sound sensor or a light sensor.

5. An energy-saving lamp with a time delay function is characterized by comprising the controller with the time delay function, a lamp holder, an LED energy-saving lamp luminous body and a lamp shell according to any one of claims 1 to 4, wherein the controller is installed in the lamp holder, the controller is electrically connected with the LED energy-saving lamp luminous body, the lamp holder is provided with a structure mechanically connected with the LED energy-saving lamp luminous body, and the lamp shell is installed on the outer side of the LED energy-saving lamp luminous body and is in threaded connection with the lamp holder.