CN212649762U

CN212649762U - Ultraviolet lamp ballast with circulating power supply output control

Info

Publication number: CN212649762U
Application number: CN202021899415.4U
Authority: CN
Inventors: 宁勤胜
Original assignee: Foshan Dayi Technology Co ltd
Current assignee: Foshan Dayi Technology Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-03-02
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses an ultraviolet lamp ballast with a circulating power supply output control, which is characterized in that the ultraviolet lamp ballast comprises a rectifying filter circuit, a switch oscillating circuit and a human body induction protection circuit, wherein a packaging IC is arranged in the switch oscillating circuit; a delay lamp-off control circuit is arranged in the switch oscillation circuit, the delay lamp-off control circuit is connected with the ultraviolet lamp, and the delay lamp-off control circuit is provided with a timing special IC; the human body induction protection circuit adopts a human body inductor FME to trigger a switch triode Q6, and the output end of the human body inductor FME is connected with a triode Q6. The utility model discloses simple structure, the circuit is with low costs, and steerable object is nimble, safe and reliable.

Description

Ultraviolet lamp ballast with circulating power supply output control

Technical Field

The utility model relates to an ultraviolet sterilization and lighting technology field specifically are related to an ultraviolet lamp ballast.

Background

Along with the continuous improvement of living standard of people, people are more and more high to health consciousness, and people are more improvement of people to health consciousness, so various sterilization products are produced at present, and the products on the market mainly have the defects of ultraviolet sterilization, ozone sterilization, single function in most parts, large volume, inconvenient work, high use risk and the like.

Disclosure of Invention

The utility model aims at providing a take circulation power supply output control's ultraviolet lamp ballast for solving prior art not enough, simple structure can realize various light and ultraviolet lamp's combination, need not change user circuit, does not need remote controller etc. with low costs, and steerable object is nimble, safe and reliable.

The utility model discloses an adopt following technical solution to realize above-mentioned purpose: an ultraviolet lamp ballast with a circulating power supply output control function is characterized by comprising a rectifying filter circuit, a switch oscillating circuit and a human body induction protection circuit,

the switch oscillation circuit is internally provided with a packaged IC, a VCC pin of the IC is rectified by a diode D10, a resistor R17 and a resistor R16 to step down and supply power, a 2 pin GND of the packaged IC is connected to the ground, a 4 pin of the packaged IC is an internal power supply pin, a 1 pin and a 6 pin of the packaged IC are respectively a P1 control end and a P2 control end, when the VCC pin is connected to a mains supply, the IC starts to work, P1 is at a low level, P2 is at a high level, and when the mains supply is disconnected and is connected again within a certain time, P1 is at a high level, P2 is at a low level, and the logic; the control ends of P1 and P2 respectively control the turn-off of two MOS transistors Q3 and Q4 by pulling down the potential; the Q3 is connected with an output socket, and can be externally connected with all products powered by alternating current, such as a fluorescent lamp ballast with a rectifying device, an LED switch power supply or a CCLF inverter power supply and the like, and used for controlling an illuminating lamp; when the switch is switched on within a time range, the Q4 is conducted, the switch oscillating circuit starts to work, and the continuous switch keeps circularly switched output;

a delay lamp-off control circuit is arranged in the switch oscillation circuit, the delay lamp-off control circuit is connected with the ultraviolet lamp, the delay lamp-off control circuit is provided with a timing special IC, the adopted delay switch function turns on the controllable silicon Q5, when the Q5 is conducted, the base electrode of the triode Q1 in the switch oscillation circuit can pass through the diode D12 connected with the base electrode and passes through the controllable silicon Q5 to the GND ground, the base electrode of the triode Q1 is in negative voltage to stop working, and the ultraviolet lamp is switched off; the timing duration can be adjusted by a resistor R19 which is connected between a pin 4 and a pin 5 of the timing special IC by a circuit;

the human body induction protection circuit adopts a human body inductor FME trigger switch triode Q6, the output end of the human body inductor FME is connected with a triode Q6, the VDD end of the human body inductor FME is connected with the VDD end of the time delay lamp-turning-off control circuit, the WCL end of the triode Q6 is connected with the WCL port of the switch oscillation circuit, the WCL port is connected with the base electrode of the triode Q2, when the ultraviolet lamp is selected to be turned on, the human body induction protection circuit is electrically started to be standby, when the induction switch senses that a person or an object moves, the output end of the human body inductor FME outputs high level, the triode Q6 is conducted, the base electrode of the triode Q2 is pulled down, the triode Q2 stops working, and the ultraviolet lamp is; when the inductive switch does not induce people or objects to move within a certain time, OUT of the FME does not output, the triode Q6 is cut off, the triode Q2 continues to be switched on, the ultraviolet lamp is on, therefore, the ultraviolet lamp is controlled to be switched on and off by the human body induction protection circuit, and safe disinfection and sterilization are achieved.

As a further explanation of the above scheme, the follow current of the power supply electrode of the timing special IC to the thyristor Q5 is completed by the resistor R13, the base of the triode Q1 is connected with the capacitor C5, the resistor R13 is connected with the capacitor C5, the output end of the resistor R13 is respectively connected in parallel with the diode D11 and the resistor R18, the power supply of the special IC is shunted when the resistor R18 is set, the diode D11 provides a maintaining conduction current for the thyristor Q5, and it is ensured that the base of the triode Q1 is not affected when the triode Q5 normally works.

Further, the MOS transistor Q3 is connected to a voltage regulator ZD1, and the MOS transistor Q4 is connected to a voltage regulator ZD 2.

Furthermore, the ultraviolet lamp and the LED illuminating lamp are of an integrated structure and comprise a lamp body, and a UV ultraviolet lamp and an LED lamp which are arranged in the lamp body, wherein the lamp body is provided with an LED lamp luminous surface, and a human body inductor FME of the human body induction protection circuit is arranged in the lamp body; the LED lamp is powered by AC220V, the LED lamp is only lighted when the lamp is turned on for the first time, if the space is to be disinfected, the LED lamp is turned off and turned on again within a certain time, the UV ultraviolet lamp is lighted, the LED lamp is turned off, if the LED lamp is turned off for more than the preset time, the standby state is recovered, and the LED lamp is turned on or turned on next time, so that the design is convenient mainly for lighting; for safety, when the human body sensor FME senses a person or an animal, the ultraviolet lamp is controlled to be turned off, otherwise, the ultraviolet lamp is turned on and is automatically turned off until a set timing time.

Further, the packaged IC employs SOT23-6, and the timing specific IC employs IC 8908.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:

1. the utility model integrates and adds the ultraviolet germicidal lamp on the basis of the prior illuminating lamp, so that the illuminating lamp has the sterilizing function at the same time, the special ultraviolet germicidal lamp is not needed to be accommodated in an extra space, and the control circuit can realize the switching and lighting of two lamps through the on-off-on of a switch on a common wall; the MOS transistors Q3 and Q4 can provide various power load requirements and can be controlled by a relay; the timing delay circuit is realized by controlling the upper tube of the oscillation triode of the ballast.

2. The utility model discloses with switch control circuit, ballast circuit and delay circuit integration together, play advantages such as convenient to use, with low costs, small.

3. The controllable load is large, the controllable load is diversified, and the advantages of safe sterilization and the like can be realized.

Drawings

FIG. 1 is a pin diagram of a packaged IC;

FIG. 2 is a schematic diagram of the circuit of the present invention;

FIG. 3 is a schematic diagram of the human body induction protection circuit of the present invention;

fig. 4 is a schematic view of the lamp structure of the present invention;

fig. 5 is a schematic view of the lamp structure of the present invention.

Description of reference numerals: 1. the LED lamp comprises a lamp body 2, an LED lamp luminous surface 3, a UV ultraviolet lamp 4, a human body inductor 5, a panel 6, an LED power supply, an ultraviolet lamp ballast, a control circuit assembly 7 and an LED lamp.

Detailed Description

The technical solution is described in detail with reference to specific embodiments below.

As shown in fig. 1-3, the utility model relates to an ultraviolet lamp ballast with circulation power supply output control, it includes rectifier filter circuit, switch oscillation circuit and human response protection circuit, rectifier filter circuit includes bridge rectifier circuit and electric capacity CV1 that diode D1, D2, D3 and D4 connect the constitution. A packaged IC is arranged in the switch oscillation circuit, the type of the packaged IC is SOT23-6, and pins of the packaged IC are described as follows as shown in figure 1:

name of pin	Name of pin
		P1	Logic
1 control pin
	P2	Logic
2 control pin
	VCC	High-voltage power supply pin
VDD			Power supply pin of internal circuit
	GND	IC reference ground
NC			Without connection

The VCC pin of the IC is rectified through a diode D10, a resistor R17 and a resistor R16 to be stepped down for power supply, a pin 2 GND of a packaged IC is connected to the ground, a pin 4 is an internal power supply pin, and

pins

1 and 6 are control ends P1 and P2 respectively, when the VCC pin is connected to a mains supply, the IC starts to work, P1 is low level, P2 is high level, when the mains supply is disconnected and connected again within a certain time, P1 is high level, P2 is low level, and the logic is carried out circularly;

as shown in fig. 2, in the circuit a, the control terminals P1 and P2 respectively control the turn-off of two MOS transistors Q3 and Q4 by pulling low potential; the MOS tube Q3 is connected with a voltage regulator tube ZD1, and the MOS tube Q4 is connected with a voltage regulator tube ZD 2. In order to protect the control pin of the IC and provide enough grid voltage for the MOS tube, the R11 and R12 of the circuit adopt 470K ohm 0.5W, R14 and R15 adopt 10K ohm 0.25W resistors, ZD1 and ZD2 adopt 15V0.5W voltage-stabilizing tubes, and the pull-down current of P1 and P2 is about 0.65 mA. The Q3 is connected with an output socket, and can be externally connected with all products powered by alternating current, such as a fluorescent lamp ballast with a rectifying device, an LED switch power supply or a CCLF inverter power supply and the like, and used for controlling an illuminating lamp; when the switch-on is switched on in a time range, the Q4 is conducted, the switch oscillating circuit starts to work, and the continuous switch keeps circularly switching the output.

As shown in fig. 2, in the circuit B, a delay lamp-off control circuit is arranged in the switching oscillation circuit, the delay lamp-off control circuit is connected with the ultraviolet lamp, the delay lamp-off control circuit is provided with a timing special IC, and the timing special IC adopts IC 8908. The adopted time delay switch function turns on the controllable silicon Q5, when the Q5 is switched on, the base electrode of the triode Q1 in the switch oscillation circuit can pass through the diode D12 connected with the base electrode and then passes through the controllable silicon Q5 to the GND ground, the base electrode of the triode Q1 is in negative voltage to stop working, and the ultraviolet lamp is switched off; the timing duration can be adjusted by a resistor R19 which is connected between the

pins

4 and 5 of the timing special IC.

As shown in fig. 3, the human body induction protection circuit adopts a human body inductor FME trigger switch triode Q6, the output end of the human body inductor FME is connected with a triode Q6, the VDD end of the human body inductor FME is connected with the VDD end of the time delay lamp-off control circuit, the WCL end of the triode Q6 is connected with the WCL port of the switch oscillation circuit, the WCL port is connected with the base of the triode Q2, when the ultraviolet lamp is selected to be turned on, the human body induction protection circuit is powered on to be in standby state, when the induction switch senses that a person or an object moves, the output end of the human body inductor FME outputs high level, the triode Q6 is conducted, the base of the triode Q2 is pulled down, the triode Q2 stops working, and the ultraviolet lamp is; when the inductive switch does not induce people or objects to move within a certain time, OUT of the FME does not output, the triode Q6 is cut off, the triode Q2 continues to be switched on, the ultraviolet lamp is on, therefore, the ultraviolet lamp is controlled to be switched on and off by the human body induction protection circuit, and safe disinfection and sterilization are achieved.

The application of the ultraviolet lamp ballast is as follows, as shown in fig. 4 and 5, the ultraviolet lamp and the LED lighting lamp are integrated according to the circuit design:

the LED lamp structurally comprises a lamp body 1, and a UV ultraviolet lamp 3 and an LED lamp 7 which are arranged in the lamp body, wherein the lamp body is provided with an LED lamp luminous surface 2, and a human body inductor 4 of a human body induction protection circuit is arranged in the lamp body; the bottom of the lamp body is provided with a panel 5, and the upper part of the lamp body is provided with an LED power supply, an ultraviolet lamp ballast and a control circuit assembly 6. In the using process, the AC220V supplies power, the LED is only lighted when the lamp is turned on for the first time, if the space is to be disinfected, the LED lamp is turned off and is turned on again within a certain time, the UV ultraviolet lamp is on, the LED lamp is off, if the LED lamp is turned off for more than the preset time, the standby state is recovered, and the LED lamp is turned on or turned on next time, so that the design mainly for lighting is facilitated; for safety, when the human body sensor FME senses a person or an animal, the ultraviolet lamp is controlled to be turned off, otherwise, the ultraviolet lamp is turned on and is automatically turned off until a set timing time.

Compared with the prior art, the utility model integrates and adds the ultraviolet germicidal lamp on the basis of realizing the prior illuminating lamp, so that the illuminating lamp has the sterilization function at the same time, and does not need extra space to accommodate the special ultraviolet germicidal lamp, thereby being a simple and reliable control circuit of the special utility model; the combination of various lighting lamps and ultraviolet lamps can be realized, a user circuit does not need to be changed, the circuit design can be realized without a remote controller and the like, and the design circuit has low cost, flexible controllable objects, safety and reliability.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. An ultraviolet lamp ballast with a circulating power supply output control function is characterized by comprising a rectifying filter circuit, a switch oscillating circuit and a human body induction protection circuit,

the switch oscillation circuit is internally provided with a packaged IC, a VCC pin of the IC is rectified, stepped down and supplied with power through a diode D10, a resistor R17 and a resistor R16, a 2 pin GND of the packaged IC is connected to the ground, a 4 pin of the packaged IC is an internal power supply pin, a 1 pin and a 6 pin of the packaged IC are respectively a P1 control end and a P2 control end, when the VCC pin is connected to a mains supply, the IC starts to work, P1 is at a low level, P2 is at a high level, and when the mains supply is disconnected and is connected again within a certain time, the P1 is at a high level, and P2 is at; the control ends of P1 and P2 respectively control the turn-off of two MOS transistors Q3 and Q4 by pulling down the potential; the Q3 is connected with an output socket, is externally connected with a fluorescent lamp ballast with a rectifying device, an LED switch power supply or a CCLF inverter power supply and is used for controlling an illuminating lamp; when the switch is switched on within a time range, the Q4 is conducted, the switch oscillating circuit starts to work, and the continuous switch keeps circularly switched output;

a delay lamp-off control circuit is arranged in the switch oscillation circuit, the delay lamp-off control circuit is connected with the ultraviolet lamp, the delay lamp-off control circuit is provided with a timing special IC, the adopted delay switch function turns on the controllable silicon Q5, when the Q5 is conducted, the base electrode of the triode Q1 in the switch oscillation circuit can pass through the diode D12 connected with the base electrode and passes through the controllable silicon Q5 to the GND ground, the base electrode of the triode Q1 is in negative voltage to stop working, and the ultraviolet lamp is switched off; the value of the timing duration is adjusted by a resistor R19 which is connected between a pin 4 and a pin 5 of the timing special IC by a circuit;

the human body induction protection circuit adopts a human body inductor FME trigger switch triode Q6, the output end of the human body inductor FME is connected with a triode Q6, the VDD end of the human body inductor FME is connected with the VDD end of the time delay lamp-turning-off control circuit, the WCL end of the triode Q6 is connected with the WCL port of the switch oscillation circuit, the WCL port is connected with the base electrode of the triode Q2, when the ultraviolet lamp is selected to be turned on, the human body induction protection circuit is electrically started to be standby, when the induction switch senses that a person or an object moves, the output end of the human body inductor FME outputs high level, the triode Q6 is conducted, the base electrode of the triode Q2 is pulled down, the triode Q2 stops working, and the ultraviolet lamp is; when the inductive switch does not sense the movement of a person or an object within a certain time, the OUT of the FME does not output, the triode Q6 is cut off to work, the triode Q2 continues to be switched on to work, and the ultraviolet lamp is on.

2. The ballast for an ultraviolet lamp with a cyclic power supply output control as set forth in claim 1, wherein the follow current of the power supply electrode of the timing dedicated IC to the thyristor Q5 is completed by a resistor R13, a capacitor C5 is connected to the base of the transistor Q1, a resistor R13 is connected to the capacitor C5, the output end of the resistor R13 is connected in parallel with a diode D11 and a resistor R18, the resistor R18 supplies power to the timing dedicated IC for shunt, and the diode D11 supplies the holding current to the thyristor Q5.

3. The ballast for an ultraviolet lamp with cyclic power supply output control as set forth in claim 1, wherein the MOS transistor Q3 is connected with the voltage regulator ZD1, and the MOS transistor Q4 is connected with the voltage regulator ZD 2.

4. The ultraviolet lamp ballast with the cyclic power supply output control function as claimed in claim 1, wherein the ultraviolet lamp and the LED lighting lamp are of an integrated structure and comprise a lamp body and a UV ultraviolet lamp and a LED lamp arranged in the lamp body, the lamp body is provided with an LED lamp light emitting surface, and a human body sensor FME of the human body sensing protection circuit is arranged in the lamp body.

5. The ultraviolet lamp ballast with cyclic power output control as set forth in claim 1, wherein the package IC employs SOT23-6 and the timing specific IC employs IC 8908.