CN213048358U

CN213048358U - Sterilizing lamp

Info

Publication number: CN213048358U
Application number: CN202020982270.8U
Authority: CN
Inventors: 胡才双
Original assignee: Guangdong Lonyung Led Lighting Co ltd
Current assignee: Guangdong Lonyung Led Lighting Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-04-27
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a sterilizing lamp, belonging to the field of sterilizing illuminating lamps, which comprises an AC constant voltage unit, an illuminating unit, a DC-DC constant current unit, a light control and microwave control unit, a time control and indicator lamp unit and a standby power supply; the AC constant voltage unit supplies power to the lighting unit, the DC-DC constant current unit, the light control and microwave control unit and the time control and indicator lamp unit, the AC constant voltage unit supplies power by the standby power supply when disconnected, the light control and microwave control unit sends a signal to the time control and indicator lamp unit, the time control and indicator lamp unit is electrically connected with the DC-DC constant current unit, and the DC-DC constant current unit is electrically connected with the lighting unit; the utility model discloses synthesize the theory of operation who utilizes microwave response, light-operated function, emergency power source, avoid causing the incident that illumination and ultraviolet sterilization's synchronization lead to.

Description

Sterilizing lamp

Technical Field

The utility model belongs to the bactericidal lighting lamp field, specific theory relates to a bactericidal lamp.

Background

The ultraviolet rays have good sterilizing effect, but can cause permanent damage to human skin, eyes, central nerves and the like. The traditional ultraviolet disinfection lamp and the illuminating lamp adopt two independent circuits, and the human body is easily damaged if the ultraviolet disinfection lamp and the illuminating lamp are opened by mistake. Therefore, there is a need for a germicidal lamp that combines an ultraviolet lamp with an illumination lamp and senses the presence of a person in a room.

Disclosure of Invention

In order to overcome the problem that exists among the background art, the utility model provides a bactericidal lamp can avoid causing the incident that illumination and ultraviolet sterilization's synchronization leads to through microwave response, light-operated function, emergency power source's theory of operation.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the sterilizing lamp comprises an AC constant voltage unit 1, a lighting unit 2, a DC-DC constant current unit 3, a light control and microwave control unit 4, a time control and indicator lamp unit 5 and a standby power supply 6; the AC constant voltage unit 1 supplies power to the lighting unit 2, the DC-DC constant current unit 3, the light control and microwave control unit 4 and the time control and indicator lamp unit 5, when the AC constant voltage unit 1 is disconnected, the standby power supply 6 supplies power, the light control and microwave control unit 4 sends signals to the time control and indicator lamp unit 5, the time control and indicator lamp unit 5 is electrically connected with the DC-DC constant current unit 3, and the DC-DC constant current unit 3 is electrically connected with the lighting unit 2.

Preferably, the AC constant voltage unit 1 includes a power module, a rectifier bridge, a single-stage constant voltage controller, and a transformer, the power module is connected to the rectifier bridge, the rectifier bridge and the single-stage constant voltage controller are connected to the transformer, and the lighting unit 2 includes a lighting lamp and an ultraviolet lamp, and is connected by a constant current power supply. The ultraviolet lamp adopts a UV-LED lamp, so that the sterilization is intelligent, safe and reliable, and the sterilization device is environment-friendly, long in service life, energy-saving and low in heat loss. The DC-DC constant current unit 3 adopts a constant current driving chip, the light control and microwave control unit 4 comprises a voltage stabilizing chip, a photoresistor and a microwave radar sensing chip, the voltage stabilizing chip is connected with the microwave radar sensing chip through the photoresistor, the time control and indicator lamp unit 5 is controlled by a single chip microcomputer, and the standby power supply 6 adopts a single lithium ion battery.

The utility model has the advantages that:

the utility model discloses synthesize application microwave response, light-operated function, emergency power source's theory of operation, avoid illumination and ultraviolet sterilization's synchronization and the incident that causes, realize the mode of operation of illumination and integrated lamps and lanterns that disinfect. The combination of constant voltage drive and constant current drive is used to provide voltage to the lamp and the ultraviolet lamp, control the drive current, and make the brightness of the lamp reach the expected constant brightness.

Drawings

Fig. 1 is a circuit diagram of an AC constant voltage unit of the present invention;

fig. 2 is a circuit diagram of the lighting unit of the present invention;

fig. 3 is a circuit diagram of the DC-DC constant current unit of the present invention;

fig. 4 is a circuit diagram of the light control and microwave control unit of the present invention;

FIG. 5 is a circuit diagram of the time control and indicator light unit of the present invention;

fig. 6 is a circuit diagram of the charging circuit of the standby power supply of the present invention;

in the figure, a 1-AC constant voltage unit, a 2-lighting unit, a 3-DC-DC constant current unit, a 4-light control and microwave control unit, a 5-time control and indicator lamp unit and a 6-standby power supply are arranged.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1 to 6, the germicidal lamp includes an AC constant voltage unit 1, a lighting unit 2, a DC-DC constant current unit 3, a light control and microwave control unit 4, a time control and indicator lamp unit 5, and a standby power supply 6; the AC constant voltage unit 1 supplies power to the lighting unit 2, the DC-DC constant current unit 3, the light control and microwave control unit 4 and the time control and indicator lamp unit 5, the AC constant voltage unit 1 is powered by the standby power supply 6 when being disconnected, and the standby power supply 6 adopts a single lithium ion battery. The light control and microwave control unit 4 sends a signal to the time control and indicator lamp unit 5, the time control and indicator lamp unit 5 is electrically connected with the DC-DC constant current unit 3, and the DC-DC constant current unit 3 is electrically connected with the illumination unit 2.

The AC constant voltage unit 1 comprises a power module, a rectifier bridge, a single-stage constant voltage controller and a transformer, wherein the power module is connected with the rectifier bridge, the rectifier bridge and the single-stage constant voltage controller are connected with the transformer, and the rectifier bridge converts alternating current into direct current, so that the cost is saved. The AC constant voltage unit 1 determines the voltage to be supplied to the illumination lamp and the ultraviolet lamp required to generate a desired forward current using the power supply module and the rectifier bridge. The single-stage constant voltage controller adopts an IW3627 controller, has a high power factor correction function, and can ensure stable operation in different types of loads, LED loads and constant resistors and in a range from no load to full load without an external loop compensation element.

The lighting unit 2 comprises a lighting lamp and an ultraviolet lamp, and is connected by a constant current power supply. The DC-DC constant current unit 3 adopts an SL8530B constant current driving chip and adopts a control mode of fixing turn-off time, the turn-off time can be adjusted through an external capacitor, and the working frequency can be changed according to the requirements of users. A VDD voltage regulator tube, a soft start and an over-temperature protection circuit are integrated in the SL8530B, so that peripheral elements are reduced, and the system reliability is improved. The SL8530B can control the driving current of the illuminating lamp and the ultraviolet lamp by adjusting the external current sampling resistor, so that the brightness of the lamp reaches the expected constant brightness.

Light-operated and microwave control unit 4 include photo resistance chip, photo resistance, microwave radar response chip, the photo resistance chip passes through photo resistance and is connected with microwave radar response chip, whether microwave radar response chip passes through in the microwave detection room someone, light-operated circuit realizes the dual control of circuit, ensures work safety.

The time control and indicator light unit 5 is controlled by a single chip microcomputer. When the input of the WV port is at a high level, the pin IC5 delays for 30 seconds to output the high level, the high level is converted into a low level after the high level is maintained for 30 minutes, meanwhile, the pin IC6 outputs a high-low alternating level, the frequency is 1 second, the pin IC is switched on for 1 second, the pin IC is used for driving an external YLED to flicker and emit light, the pin IC5 outputs the low level at ordinary times, and the pin IC is synchronously converted into the low level when the pin IC5 outputs the low level. When the IC7 pin port is externally connected with the RLED, the RLED is not bright normally, and when the input voltage of the IC3 pin is detected, namely the voltage of the lithium battery is too low and is lower than a set value, the IC7 pin outputs high-low alternating level, the frequency is switched on for 1 second and is switched off for 1 second, the externally connected RLED is driven to flicker, and the port is at low level normally.

The utility model discloses a working process:

after the circuit is switched on, when a person walks into a workplace, the wall power switch is turned on, the microwave induction function of the lamp light control and microwave control unit 4 induces the person to enter, the time control and indicator lamp unit 4 starts the ultraviolet lamp to work in a delayed mode, at the moment, the illuminating light is lightened, and the ultraviolet lamp is not lightened. Meanwhile, under the control of the light control circuit, the ultraviolet lamp is in a turned-off state due to the light control function when the illuminating lamp is on. At this time, the backup power supply 6 is in a charged state.

If the person leaves the room in the middle of the way, the microwave induction function of the light control and microwave control unit 4 senses that the person leaves the place, the illuminating lamp is controlled to be turned off through the time control and indicating lamp unit 4, the time delay circuit is controlled to work, after the specified time of time delay is reached, the ultraviolet lamp is lightened to carry out sterilization work, and the time control and indicating lamp unit 4 can set the sterilization time. If the person returns to the room again midway, the microwave induction function induces that the person enters the place, the time control and indicator lamp unit 4 controls the illuminating lamp to be turned on, and the ultraviolet lamp is not turned on.

After the person leaves the room and closes the wall main switch, the illuminating lamp is turned off. The standby power supply 6 is started to supply power, the ultraviolet lamp is controlled to be turned on in a delayed mode through the time control and indicator lamp unit 4 to conduct sterilization work when the microwave induction function senses that the user is in an unmanned state, and the time control and indicator lamp unit 4 can set sterilization time.

The AC constant voltage unit 1 determines the voltage to be supplied to the illumination lamp and the ultraviolet lamp required to generate a desired forward current using the power supply module and the rectifier bridge. The DC-DC constant current unit 3 controls driving currents of the illumination lamp and the ultraviolet lamp so that the brightness of the lamp reaches a desired constant brightness.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A germicidal lamp, comprising: the sterilizing lamp comprises an AC constant voltage unit (1), a lighting unit (2), a DC-DC constant current unit (3), a light control and microwave control unit (4), a time control and indicator lamp unit (5) and a standby power supply (6); the AC constant voltage unit (1) supplies power to the lighting unit (2), the DC-DC constant current unit (3), the light control and microwave control unit (4) and the time control and indicator lamp unit (5), the standby power supply (6) supplies power when the AC constant voltage unit (1) is disconnected, the light control and microwave control unit (4) sends signals to the time control and indicator lamp unit (5), the time control and indicator lamp unit (5) is electrically connected with the DC-DC constant current unit (3), and the DC-DC constant current unit (3) is electrically connected with the lighting unit (2).

2. The germicidal lamp as recited in claim 1, wherein: the AC constant voltage unit (1) comprises a power module, a rectifier bridge, a single-stage constant voltage controller and a transformer, the power module is connected with the rectifier bridge, the rectifier bridge and the single-stage constant voltage controller are connected with the transformer, the lighting unit (2) comprises a lighting lamp and an ultraviolet lamp and is connected with a constant current power supply, the DC-DC constant current unit (3) adopts a constant current driving chip, the light control and microwave control unit (4) comprises a voltage stabilizing chip, a photoresistor and a microwave radar sensing chip, the voltage stabilizing chip is connected with the microwave radar sensing chip through the photoresistor, the time control and indicator light unit (5) adopts a single chip microcomputer to control, and the standby power supply (6) adopts a single-section lithium ion battery.