CN211751219U

CN211751219U - Ultraviolet germicidal lamp device for elevator

Info

Publication number: CN211751219U
Application number: CN202020204503.1U
Authority: CN
Inventors: 叶良平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-10-27
Anticipated expiration: 2030-02-25

Abstract

An ultraviolet germicidal lamp device for an elevator comprises an AC-to-DC power supply module, an infrared detection module, an ultraviolet germicidal lamp, a voltage stabilizing circuit, a first sensing circuit, a second sensing circuit and a control circuit, wherein the voltage stabilizing circuit is connected with the first sensing circuit; the ultraviolet germicidal lamp is arranged at the middle part of the lower part, the outer part and the front part of the element box. This novel energy-conserving light in adopting the elevator can carry out germicidal treatment in the elevator in the period of time that stops to use at every turn at the elevator as the signal detection source, automatic switch-on sterilamp work period, and someone can automatic temporary stop work when not leaving in the elevator, has prevented that ultraviolet ray from causing the injury to the human body, reaches intelligent control from this, can gain good disinfection function, has reduced virus infection probability. Based on the above, this is novel has good application prospect.

Description

Ultraviolet germicidal lamp device for elevator

Technical Field

The utility model relates to a corollary equipment field, especially an ultraviolet germicidal lamp device for elevator are used to the elevator.

Background

The elevator is an electromechanical device which is widely used, and provides convenience for people to go up and down stairs and the like. However, since the elevator is a public device, there are many people getting in and out of the elevator, if there is an infectious disease person getting in and out of the elevator, the air containing germs in the elevator is very easy to cause other healthy people to be infected, and each person getting in and out of the elevator generally operates and touches corresponding keys in the elevator, so that the probability of infecting germs is increased by touching different keys with hands by different people. For example, most of the COVID-19 pneumovirus in our country is infected by the pathogen left on the articles by close proximity or contact with the patient. Based on the above, the bactericidal lamp device which can effectively kill pathogenic bacteria in the elevator and cannot influence people entering and exiting the elevator is particularly necessary.

SUMMERY OF THE UTILITY MODEL

In order to overcome not have the equipment that can realize automatic control and disinfect in current elevator, can bring the drawback of influence to other personnel health when having infectious victim to take the elevator, the utility model provides an adopt energy-conserving light in the elevator as the signal detection source, can be in the elevator a period of time that stops to use at every turn, the automatic ultraviolet germicidal lamp of switch-on work a period of time carries out germicidal treatment in to the elevator, and can automatic temporary stop work when someone does not leave in the elevator, prevented that ultraviolet ray from causing the injury to the human body, reach intelligent control from this, can gain good disinfection function, reduced the ultraviolet germicidal lamp device for elevator of virus infection probability.

The utility model provides a technical scheme that its technical problem adopted is:

an ultraviolet germicidal lamp device for an elevator comprises an AC-to-DC power supply module, an infrared detection module and an ultraviolet germicidal lamp, and is characterized by further comprising a voltage stabilizing circuit, a first sensing circuit, a second sensing circuit and a control circuit; the alternating current-to-direct current power supply module, the infrared detection module, the voltage stabilizing circuit, the first sensing circuit, the second sensing circuit and the control circuit are arranged in the element box; the infrared detection module and the two ends of the power input of the alternating current-to-direct current power supply module are respectively and electrically connected with the two poles of the alternating current power supply, the control power supply input end of the control circuit is electrically connected with one pole of the alternating current power supply, and the power supply output end of the control circuit, the other pole of the alternating current power supply and the two poles of the ultraviolet germicidal lamp power supply are respectively and electrically connected; the two ends of the power supply input of the second sensing circuit are respectively and electrically connected with the two ends of the power supply input of the energy-saving lighting lamp in the elevator; the power output ends of the voltage stabilizing circuit and the AC-to-DC power supply module are respectively and electrically connected with the two power input ends of the control circuit; the two ends of the power output of the infrared detection module are electrically connected with the two ends of the power input of the first sensing circuit respectively; the power output end of the voltage stabilizing circuit is electrically connected with the control power input ends of the first sensing circuit and the second sensing circuit respectively, and the signal output ends of the first sensing circuit and the second sensing circuit are electrically connected with the two signal input ends of the control circuit respectively.

Further, the infrared detection module is an infrared inductive switch.

Furthermore, the voltage stabilizing circuit comprises a three-terminal fixed output voltage stabilizer and a ceramic chip capacitor of the model AMS1117-3.3SOT-223, wherein the three-terminal fixed output voltage stabilizer and the ceramic chip capacitor are connected through a circuit board in a wiring mode, 3 pins of a positive power supply input end of the three-terminal fixed output voltage stabilizer are connected with one end of the first ceramic chip capacitor, 2 pins of a power supply output end of the three-terminal fixed output voltage stabilizer are connected with one end of the second ceramic chip capacitor and one end of the third ceramic chip capacitor, and 1 pin of a negative power supply input end of the three-terminal fixed output voltage stabilizer is connected with the other end.

Furthermore, the first sensing circuit and the second sensing circuit are consistent in structure and respectively comprise an optocoupler with a diode, a resistor and a PC817 type, the optocoupler is connected with the first sensing circuit and the second sensing circuit through a circuit board in a wiring mode, the cathode of the first diode is connected with one end of the first resistor, the other end of the first resistor is connected with the cathode of the second diode and the anode of the photodiode hidden in the optocoupler, one end of the second resistor is connected with the anode of the second diode and the cathode of the photodiode hidden in the optocoupler, and the collector of the phototriode hidden in the optocoupler is connected with one end of the third resistor.

Further, the control circuit comprises a single chip microcomputer of model STM32F103C8T6, a resistor, a diode, an NPN triode, a relay, a ceramic chip capacitor and a crystal oscillator which are connected through a circuit board in a wiring mode, one end of a first capacitor is connected with one end of the crystal oscillator, one end of a first resistor and a pin 6 of a PD1 port of the single chip microcomputer, one end of a second ceramic chip capacitor is connected with the other end of the crystal oscillator, the other end of the first resistor and a pin 5 of a PD0 port of the single chip microcomputer, one end of a second resistor is connected with one end of a third capacitor and a pin 7 of an NRST port of the single chip microcomputer, one end of a fourth capacitor is connected with a pin 9 of a VDDA port of the single chip microcomputer, one end of a fifth capacitor is connected with a pin 48 of a VDD-3 port of the single chip microcomputer, one end of the third resistor is connected with one end of the fourth resistor and one end of the fifth resistor, the other end of the fourth resistor is connected with a pin, The other end of the third resistor, the other end of the second resistor, a pin of a VBAT port 1 of the singlechip, one end of a fourth capacitor, one end of a fifth capacitor and one end of a seventh capacitor are connected, one end of the seventh capacitor is connected with a pin of a VDD-1 port 24 of the singlechip, the other ends of the first capacitor and the second capacitor are connected with the other ends of the third capacitor and the fourth capacitor, the other end of the fifth capacitor, a pin of a VSS-3 port 47 of the singlechip, the other end of the fifth resistor, a pin of a VSSA port 8 of the singlechip, the other end of a sixth capacitor and the other end of the seventh capacitor, a pin of a VSS-2 port 35 of the singlechip, a pin of an NPN-1 port 23, the other end of the seventh resistor and an emitter of an NPN triode, a pin of a PA9 port 30 of the singlechip is connected with one end of the sixth resistor, the other end of the sixth resistor is connected with one, the collector of the NPN triode is connected with the anode of the diode and the power input end of the cathode of the relay, and the cathode of the diode is connected with the power input end of the anode of the relay.

The utility model has the advantages that: this novel energy-conserving light in adopting the elevator is as the signal detection source, under the actual conditions, in the elevator is in service in the total time to and reach in the period of corresponding floor back-door berth, energy-conserving light's controlling means can control energy-conserving light and get electric work, and control energy-conserving light in all the other times loses the work of electricity no longer. This is novel, someone in the elevator, also be in the elevator operation, the light is electrified, simultaneously with in the elevator energy-conserving lighting lamp power input both ends respectively parallelly connected second sensing circuit electrification output control signal entering control circuit, control circuit does not control sterilamp work, nobody also be in the elevator after the operation stop, the light can lose the electricity, second sensing circuit no longer exports control signal entering control circuit simultaneously, control circuit control sterilamp electrification work about 30 minutes, sterilamp's ultraviolet ray can effectively kill remains in the elevator and elevator button various bacterium on the equal, the probability that the personnel that take the elevator were infected by the virus has been reduced. This is novel, under first sensing circuit, infrared detection module combined action, open the back when elevator stall, lift-cabin door under extreme condition, if personnel in the elevator do not walk out elevator, lift in the long time after the light loses the electricity, sterilamp can not get electric work, has prevented under this kind of situation that sterilamp work causes unnecessary injury to personnel in the elevator. The novel elevator automatic disinfection device is simple in structure, convenient to install and low in cost, and overcomes the defect that the civil elevator cannot be automatically disinfected. Based on the above, so this novel application prospect that has.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a block diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1 and 2, an ultraviolet germicidal lamp apparatus for an elevator includes an ac-to-dc power supply module 1, an infrared detection module 2, an ultraviolet germicidal lamp 3, a voltage stabilizing circuit 4, a first sensing circuit 5, a second sensing circuit 6, and a control circuit 7; the alternating current-to-direct current power supply module 1, the infrared detection module 2, the voltage stabilizing circuit 4, the first sensing circuit 5, the second sensing circuit 6 and the control circuit 7 are installed on a circuit board, the circuit board is installed in a component box 8, and the component box 9 is fixedly installed at the top in the elevator through a screw nut. The ultraviolet germicidal lamp 3 is arranged at the lower part, the outer part and the front middle part of the element box 8 (suspended by a lead).

As shown in fig. 1, 2 and 3, the ac-to-dc power supply module U1 is a finished product of an ac 220V-to-12V dc switching power supply module of HE12P24LRN, and has two

power input terminals

1 and 2 pins and two

power output terminals

3 and 4 pins. The infrared detection module U3 is a brand baker, an infrared induction switch finished product of a model bk-p002a, the working voltage is alternating current 220V, the front end of a shell of the infrared detection module is provided with a Fresnel lens 21, the front end of the Fresnel lens 21 is positioned outside the lower middle part of an element box 8, the infrared induction switch finished product U3 is provided with two

power input ends

1 and 2 pins, and two power output ends 3 and 4 pins, and when the infrared detection module works, the two power output ends of the Fresnel lens 21 can output power when a human body infrared signal exists at the front end of the Fresnel lens (the detection distance is about two meters by adjusting an adjusting knob of the infrared induction switch finished product U3). The ultraviolet germicidal lamp H is a finished product of the ultraviolet germicidal lamp with the working voltage of 220V and the power of 20W. The voltage stabilizing circuit comprises a three-terminal fixed output voltage stabilizer U2 and ceramic chip capacitors C3, C4 and C6 of the model AMS1117-3.3SOT-223, wherein the three-terminal fixed output voltage stabilizer U2 and the ceramic chip capacitors C4, C6 are connected through circuit board wiring, the 3 pin of the positive power input end of the three-terminal fixed output voltage stabilizer U2 is connected with one end of a first ceramic chip capacitor C3, the 2 pin of the power output end of the three-terminal fixed output voltage stabilizer U2 is connected with one ends of a second ceramic chip capacitor C4 and a third ceramic chip capacitor C6, and the 1 pin of the negative power input end of the three-terminal fixed output voltage stabilizer U2 is connected with the other ends of the first ceramic chip capacitor C3. The first sensing circuit comprises diodes D1 and D4, resistors R1, R2, R7 and an optical coupler Q1 of a model PC817, wherein the diodes are connected through a circuit board in a wiring mode, the cathode of a first diode D1 is connected with one end of a first resistor R1, the other end of the first resistor R1 is connected with the cathode of a second diode D4 and the anode of a built-in photodiode of the optical coupler Q1, one end of a second resistor R2 is connected with the anode of the second diode D4 and the cathode of the built-in photodiode of the optical coupler Q1, and the collector of a built-in phototriode of the optical coupler Q1 is connected with one end of a third resistor R7. The second sensing circuit comprises diodes D2 and D5, resistors R3, R4, R8 and an optical coupler Q2 of a model PC817, wherein the diodes are connected through a circuit board in a wiring mode, the cathode of a first diode D2 is connected with one end of a first resistor R3, the other end of the first resistor R3 is connected with the cathode of a second diode D5 and the anode of a built-in photodiode of the optical coupler Q2, one end of a second resistor R4 is connected with the anode of the second diode D5 and the cathode of the built-in photodiode of the optical coupler Q2, and the collector of a built-in phototriode of the optical coupler Q2 is connected with one end of a third resistor R8. The control circuit comprises a single chip microcomputer U4 of model STM32F103C8T6, resistors R10, R9, R12, R11, R13, R5 and R6, a diode D3, an NPN triode Q, a relay J, ceramic chip capacitors C5, C9, C7, C8, C10, C12 and C11, and a crystal oscillator YX1 which are connected through a circuit board in a wiring mode; one end of a first capacitor C5 is connected with one end of a crystal oscillator YX1, one end of a first resistor R10 and a pin 6 of a PD1 port of a singlechip U4, one end of a second ceramic chip capacitor C9 is connected with the other end of the crystal oscillator YX1, the other end of the first resistor R10 and a pin 5 of a PD0 port of the singlechip U4, one end of a second resistor R9 is connected with one end of a third capacitor C7 and a pin 7 of an NRST port of the singlechip U4, one end of a fourth capacitor C8 is connected with a pin 9 of a VDDA port of the singlechip U4, one end of a fifth capacitor C10 is connected with a pin 48 of a VDD-3 port of the singlechip U10, one end of the third resistor R10 is connected with one end of the fourth resistor R10, one end of the fifth resistor R10, the other end of the fourth resistor R10 is connected with a pin 3644 port of the singlechip U10, one end of the sixth capacitor C10 is connected with a pin 36 of the singlechip U10, the other end of the second singlechip U10, the second resistor R10 and the other end of the second resistor VBAT 10 and the, One end of a fourth capacitor C8, one end of a fifth capacitor C10 and one end of a seventh capacitor C11 are connected, one end of the seventh capacitor C11 is connected with a pin 24 at a VDD-1 port of a singlechip U4, the other ends of the first capacitor C5 and the second capacitor C9 are connected with the other ends of a third capacitor C7 and a fourth capacitor C8, the other end of the fifth capacitor C10, a pin 47 at a VSS-3 port of the singlechip U4, the other end of the fifth resistor R13, a pin 8 at a VSSA port of the singlechip U4, the other ends of the sixth capacitor C12 and the seventh capacitor C11, a pin 35 at a VSS-2 port of the singlechip U4 and a pin 23 at the VSS-1 port, the other end of the seventh resistor R5 and an emitter of an NPN triode Q are connected, a pin 30 at a port of a PA9 of the singlechip is connected with one end of an NPN transistor R6, the other end of the sixth resistor R5 and one end of the seventh resistor R5, a base of the singlechip Q is connected with a negative electrode of a triode J573 and a positive electrode of, the cathode of the diode D3 is connected with the positive power input end of the relay J.

As shown in fig. 3, two

ends

1 and 2 of the power input of the infrared detection module U3, two

ends

1 and 2 of the power input of the ac-dc power module U1, and two poles of the ac 220V power supply in the elevator are connected by wires, respectively, the relay J control power input end of the control circuit is connected by wires with one pole of the ac 220V power supply in the elevator, and the relay J normally open contact end of the power output end of the control circuit, the other pole of the ac 220V power supply in the elevator, and two poles of the uv-germicidal lamp H power supply are connected by wires, respectively; the anode of a diode D2 at the two ends of the power input of the second sensing circuit and the other end of a resistor R4 are respectively connected with the two ends of the power input of an energy-saving illuminating lamp H1 in the elevator through leads; the two ends of the power output of the AC-to-DC power supply module U1,

pins

3 and 4, and one end and the other end of a capacitor C3 at the two ends of the power input of the voltage stabilizing circuit are respectively connected through leads, and the two ends of a capacitor C6 at the power output end of the voltage stabilizing circuit and the two ends of a capacitor C2 at the two ends of the power output of the AC-to-DC power supply module are respectively connected with

pins

24 and 8 of a singlechip U4 at the two power input ends of the control circuit, a positive power input end of a relay J and an; the two 3 and 4 pins of the power output end of the infrared detection module U3 are respectively connected with the anode of a diode D1 at the two ends of the power input end of the first sensing circuit and the other end of a resistor R2 through leads; two ends of a power output end capacitor C6 of the voltage stabilizing circuit and the other end of a control power input end resistor R7 of the first sensing circuit and an emitter of a phototriode built in an optical coupler Q1, the other end of a control power input end resistor R8 of the second sensing circuit and an emitter of a phototriode built in an optical coupler Q2 are respectively connected through leads, a collector of the phototriode built in an optical coupler Q1 of a signal output end of the first sensing circuit, a collector of the phototriode built in an optical coupler Q2 of a signal output end of the second sensing circuit and a PA10 port 31 pin and a PA8 port 29 pin of two single-chip microcomputers of the signal input end of the control circuit are respectively connected through leads.

As shown in fig. 1, 2, and 3, after a 220V ac power supply enters the ac-to-dc power supply module U1 and the infrared detection module U3 at two ends of the power input, the ac-to-dc power supply module U1 and the infrared detection module U3 are in an energized operating state; under the action of an internal circuit of the AC-to-DC power supply module U1 (the ceramic capacitors C1 and C2 play a role in power supply filtering),

pins

3 and 4 of the AC-to-DC power supply module U1 can output a stable 12V DC power supply, enter two ends of a power supply input end of the three-end fixed output voltage stabilizer U2 (the ceramic capacitors C3, C4 and C6 play a role in power supply filtering), and simultaneously enter a relay J positive power supply input end of a control circuit and an emitter of an NPN triode Q. After the three-terminal fixed output voltage stabilizer U2 is powered on to work, under the action of an internal circuit thereof,

pins

2 and 1 can output a stable 3.3V direct-current power supply to enter

pins

24 and 8 of the singlechip U4 at the two ends of the power input of the control circuit, so that the control circuit is in a powered working state.

As shown in fig. 1, 2 and 3, after the control circuit is powered to operate, the single chip microcomputer U4 forms a timer circuit under the action of its internal circuit, the resistors R10, R9, R12, R11 and R13 of peripheral elements, the capacitors C5, C9, C7, C8, C10, C12 and C11 of the ceramic oscillator YX 1; the capacitors C5 and C9, the resistor R10 and the crystal oscillator YX1 are peripheral clock oscillation circuits of the singlechip U4, provide an operation clock for the singlechip U4, and ensure that the singlechip U4 can normally work; the resistor R9, the capacitors C7 and C8, the capacitor C10, the capacitor C12 and the capacitor C11 mainly play a role in power supply filtering, so that a direct-current power supply input to the singlechip U4 is ensured, and ripple interference of the input direct-current power supply can be eliminated; the resistors R12, R11 and R13 are reset circuits of the single chip microcomputer U4, and the single chip microcomputer U4 is guaranteed to be restored to an initial state every time when being powered to work. In the novel elevator, the two power input ends of the second sensing circuit are respectively connected with the two power input ends of the energy-saving illuminating lamp H1 in the elevator, so that the second sensing circuit can be powered on to work in the time that the control device of the energy-saving illuminating lamp controls the energy-saving illuminating lamp H1 to be powered on and emit light within the whole running time of the elevator and a period of time (generally within two minutes) when the elevator arrives at a corresponding floor and then is opened and stops; when no person is in the elevator, namely the elevator stops running, the lighting lamp H1 is powered off and does not emit light, and meanwhile, the second sensing circuit is powered off and does not work any more. In the time when the second sensing circuit works when power is supplied, one pole of a 220V alternating current power supply at the position of a lighting lamp H1 is subjected to half-wave rectification by a diode D2, voltage reduction and current limitation by a resistor R3 and enters the anode of a photodiode hidden in an optocoupler Q2, the other pole of the 220V alternating current power supply is subjected to voltage reduction and current limitation by a resistor R4 and enters the cathode of the photodiode hidden in the optocoupler Q2, and a power supply forms a loop (a diode D5 plays a role in reverse protection and prevents the reverse voltage from being too high to break down the photodiode of the optocoupler), so that the photodiode is powered to emit light, a phototriode hidden in the optocoupler Q2 is conducted, a collector of the phototriode is output with low level and enters a PA10 port 29 of a singlechip U4, the PA9 port 30 of the singlechip U4 does not output high level under the action of an internal circuit thereof, and a; in practical situations, when the elevator stops running and reaches a period of time when the corresponding floor is opened and stops, and the control device of the energy-saving illuminating lamp H1 controls the energy-saving illuminating lamp H1 to lose power, the other ends of the diode D2 and the resistor R4 lose power, then the photodiode built in the optocoupler Q2 also loses power, further, the phototriode built in the optocoupler Q2 is cut off and does not output low level to enter the 29 pin of the singlechip U4, at the moment, 3.3V high level enters the 29 pin of the singlechip U4 through the resistor R8 in a voltage reduction and current limitation manner, so that the 30 pin of the singlechip U4 outputs 30 minutes high level under the action of an internal circuit of the singlechip U4 and enters the base of the NPN triode Q through the resistor R6 in a voltage reduction and current limitation manner (the resistor R5 is a peripheral pull-down resistor of the NPN triode Q; therefore, the NPN triode Q is conducted, the collector of the NPN triode Q outputs a low level to enter the negative power supply input end of the relay J, and as the positive power supply input end of the relay J is connected with the pin 3 of the alternating current-to-direct current power supply module U1, the relay J can be electrified to close the control power supply input end and the normally open contact end; because the input end of the control power supply of the relay J is connected with one pole of the alternating current 220V power supply in the elevator, the normally open contact end of the relay J, the other pole of the alternating current 220V power supply in the elevator and the two poles of the power supply of the ultraviolet germicidal lamp H are respectively connected, after the elevator stops running, the ultraviolet germicidal lamp H can work for 30 minutes by an electric worker, ultraviolet sterilization is carried out in the elevator which stops working and is unmanned inside, the ultraviolet light of the ultraviolet germicidal lamp H can effectively kill various bacteria remained in the elevator and on the keys and the like, and the probability that people taking the elevator are infected by viruses is reduced.

As shown in fig. 1, 2 and 3, after the infrared detection module U3 is powered on to work, when a person is in the elevator, the detection head of the infrared detection module U3 outputs 220V ac power to the first sensing circuit after detecting that the

pins

3 and 4 enter the first sensing circuit, so that the first sensing circuit is powered on to work; one pole of a 220V alternating current power supply is subjected to half-wave rectification by a diode D1, is subjected to voltage reduction and current limitation by a resistor R1 and enters the anode of a photodiode hidden in an optocoupler Q1, the other pole of the 220V alternating current power supply is subjected to voltage reduction and current limitation by a resistor R2 and enters the cathode of the photodiode hidden in the optocoupler Q1, and a power supply forms a loop (the diode D4 plays a reverse protection role and prevents a reverse voltage from breaking through the photodiode of the optocoupler due to overhigh voltage), so that the photodiode is electrified to emit light, a phototriode hidden in the optocoupler Q1 conducts a collector of the phototriode to output a low level and enters a PA10 port 31 pin of a singlechip U4, and a PA9 port 30 pin of the singlechip U4 does not output a high level under the action of an internal circuit, so that a; in practical situations, when no person is in the elevator, the probe of the infrared detection module U3 cannot detect an infrared signal generated by a human body, the 3 and 4 pins of the infrared detection module U3 stop outputting 220V ac power to enter the first sensing circuit, the other end of the diode D1 and the resistor R2 are both de-energized, then the photodiode built in the optocoupler Q1 is also de-energized, the phototransistor built in the optocoupler Q1 is turned off and no longer outputs a low level to enter the 31 pin of the monolithic computer U4, at this moment, the 3.3V high level is reduced in voltage and limited by the resistor R7 to enter the 31 pin of the monolithic computer U4, then the 30 pin of the monolithic computer U4 outputs a high level for 30 minutes under the action of the internal circuit, the high level is reduced in voltage and limited by the resistor R6 to enter the base of the NPN triode Q, the NPN triode Q is turned on, the relay J is electrified to attract the control power input end and the normally open contact end of the relay J to be closed, the ultraviolet germicidal lamp H is powered to work. Under the combined action of the first sensing circuit, the second sensing circuit, the control circuit and the infrared detection module U3, when people in the elevator, namely the elevator runs, the illuminating lamp H1 is powered on, meanwhile, the second sensing circuit which is respectively connected with the power input ends of the energy-saving illuminating lamp H1 in the elevator in parallel is powered on, a control signal is output to enter the control circuit, the control circuit does not control the ultraviolet sterilizing lamp H to work, when no people in the elevator, namely the elevator stops running, the illuminating lamp H1 is powered off, meanwhile, the second sensing circuit does not output a control signal to enter the control circuit, the control circuit controls the ultraviolet sterilizing lamp H to be powered on to work for about 30 minutes, ultraviolet rays of the ultraviolet sterilizing lamp H can effectively kill various bacteria remained in the elevator, on elevator keys and the like, and the probability that people taking the elevator are infected by viruses is reduced; under extreme conditions, when the elevator stops operating, the lift-cabin door is opened the back, if personnel in the elevator do not walk out the elevator for a long time, light H1 loses the back of the electricity in the elevator, because infrared detection module U3's effect, sterilamp H can not get electric work, has prevented under this kind of situation that sterilamp H work causes unnecessary injury to personnel in the elevator. Meanwhile, if the power supply of the energy-saving electric equipment in the elevator is used as a signal detection source and is connected with the two ends of the power supply input of the sensing circuit, the novel protection range also belongs to. The types of the elements of the new type are marked in the circuit, and the description is omitted here.

The essential features of the invention and the advantages of the invention have been shown and described above, it being obvious to a person skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, but that it can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An ultraviolet germicidal lamp device for an elevator comprises an AC-to-DC power supply module, an infrared detection module and an ultraviolet germicidal lamp, and is characterized by further comprising a voltage stabilizing circuit, a first sensing circuit, a second sensing circuit and a control circuit; the alternating current-to-direct current power supply module, the infrared detection module, the voltage stabilizing circuit, the first sensing circuit, the second sensing circuit and the control circuit are arranged in the element box; the infrared detection module and the two ends of the power input of the alternating current-to-direct current power supply module are respectively and electrically connected with the two poles of the alternating current power supply, the control power supply input end of the control circuit is electrically connected with one pole of the alternating current power supply, and the power supply output end of the control circuit, the other pole of the alternating current power supply and the two poles of the ultraviolet germicidal lamp power supply are respectively and electrically connected; the two ends of the power supply input of the second sensing circuit are respectively and electrically connected with the two ends of the power supply input of the energy-saving lighting lamp in the elevator; the power output ends of the voltage stabilizing circuit and the AC-to-DC power supply module are respectively and electrically connected with the two power input ends of the control circuit; the two ends of the power output of the infrared detection module are electrically connected with the two ends of the power input of the first sensing circuit respectively; the power output end of the voltage stabilizing circuit is electrically connected with the control power input ends of the first sensing circuit and the second sensing circuit respectively, and the signal output ends of the first sensing circuit and the second sensing circuit are electrically connected with the two signal input ends of the control circuit respectively.

2. The ultraviolet germicidal lamp fixture for elevators according to claim 1, wherein the infrared detection module is an infrared inductive switch.

3. The ultraviolet germicidal lamp fixture for elevator as set forth in claim 1, wherein the voltage regulator circuit includes three-terminal fixed output voltage regulator of model AMS1117-3.3SOT-223 and ceramic chip capacitor connected via circuit board wiring, the positive power input terminal 3 of the three-terminal fixed output voltage regulator is connected to one end of the first ceramic chip capacitor, the power output terminal 2 of the three-terminal fixed output voltage regulator is connected to one end of the second and third ceramic chip capacitors, and the negative power input terminal 1 of the three-terminal fixed output voltage regulator is connected to the other end of the first, second and third ceramic chip capacitors.

4. The ultraviolet germicidal lamp unit for elevators as defined in claim 1, wherein the first and second sensing circuits have the same configuration and each include a diode, a resistor, and an optocoupler of PC817 type connected via wiring on a circuit board, the cathode of the first diode is connected to one end of the first resistor, the other end of the first resistor is connected to the cathode of the second diode and the anode of the photodiode built in the optocoupler, one end of the second resistor is connected to the anode of the second diode and the cathode of the photodiode built in the optocoupler, and the collector of the phototransistor built in the optocoupler is connected to one end of the third resistor.

5. The ultraviolet germicidal lamp apparatus for elevator as set forth in claim 1, wherein the control circuit includes a single chip microcomputer of model STM32F103C8T6, a resistor, a diode, an NPN triode, a relay, a ceramic capacitor and a crystal oscillator connected by circuit board wiring, a first capacitor end connected to one end of the crystal oscillator, a first resistor end connected to one end of the first resistor, a PD1 port 6 pin of the single chip microcomputer, a second ceramic capacitor end connected to the other end of the crystal oscillator, the other end of the first resistor, a PD0 port 5 pin of the single chip microcomputer, a second resistor end connected to one end of a third capacitor, an NRST port 7 pin of the single chip microcomputer, a fourth capacitor end connected to VDDA port 9 pin of the single chip microcomputer, a fifth capacitor end connected to VDD-3 port 48 pin of the single chip microcomputer, a third resistor end connected to one end of the fourth resistor, a fifth resistor end connected to one terminal, a fourth resistor end connected to BOOT0 port 44 pin of the single chip microcomputer, one end of a sixth capacitor is connected with a pin 36 of a VDD-2 port, the other end of a third resistor and the other end of a second resistor of the singlechip, a pin 1 of a VBAT port of the singlechip, one end of a fourth capacitor, one end of a fifth capacitor and one end of a seventh capacitor, one end of the seventh capacitor is connected with a pin 24 of the VDD-1 port of the singlechip, the other ends of the first capacitor and the second capacitor are connected with the other ends of the third capacitor and the fourth capacitor, the other end of the fifth capacitor, a pin 47 of a VSS-3 port of the singlechip, the other end of the fifth resistor, a pin 8 of a VSSA port of the singlechip, the other end of the sixth capacitor and the other end of the seventh capacitor, a pin 35 of a VSS-2 port and a pin 23 of the VSS-1 port of the singlechip, the other end of the seventh resistor and an emitter of an NPN triode, a pin 30 of a PA9 port of the singlechip is connected with one end of the sixth resistor, the base electrode of the NPN triode is connected, the collector electrode of the NPN triode is connected with the anode of the diode and the power input end of the cathode of the relay, and the cathode of the diode is connected with the power input end of the anode of the relay.