CN216190282U - Sterilizing lamp circuit - Google Patents
Sterilizing lamp circuit Download PDFInfo
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- CN216190282U CN216190282U CN202122530280.5U CN202122530280U CN216190282U CN 216190282 U CN216190282 U CN 216190282U CN 202122530280 U CN202122530280 U CN 202122530280U CN 216190282 U CN216190282 U CN 216190282U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model relates to the technical field of control circuits, in particular to a germicidal lamp circuit which comprises a detection sensor, an intensity detection circuit, a single chip microcomputer and a constant current control circuit, wherein the detection sensor is electrically connected with the intensity detection circuit, the single chip microcomputer and the constant current control circuit respectively, the detection sensor collects radiation intensity and converts the radiation intensity into an electric signal, the electric signal is amplified by the intensity detection circuit and then input to an A/D interface of the single chip microcomputer, and the single chip microcomputer controls the working current of a germicidal lamp bead through the constant current control circuit to realize the on-off and gear control of the germicidal lamp. One or more LED bactericidal lamps are configured in the handrail of the escalator system and are arranged in the upper handrail or the lower handrail of the escalator, so that the real-time sterilization of the handrail can be realized; meanwhile, the LED bactericidal lamp needs to control the lamp bead working current of the bactericidal lamp, so that the bactericidal lamp is controlled by a switch and gears.
Description
Technical Field
The utility model relates to the technical field of control circuits, in particular to a sterilizing lamp circuit.
Background
In 1900 years, a step-shaped moving ladder exhibited by the international Explorer in Paris is a prototype of a modern escalator; since then, escalators have been rapidly developed in various countries. The escalator can be widely used in stations, docks, shopping malls, airports, underground railways and other places where people flow intensively. With the outbreak of new crown epidemic situation, in order to ensure the health and safety of citizens, the escalators in all public places need to be effectively cleaned and disinfected every day according to the requirements of epidemic situation prevention and control work, but the disinfection is carried out manually at present, the cleaning and disinfection work of key parts such as escalator handrail belts, decorative plates and the like cannot be completed in the disinfection process, dead corners are easily reserved, and the timeliness of regular disinfection every day is poor.
SUMMERY OF THE UTILITY MODEL
To overcome the problems in the related art: one or more LED bactericidal lamps are configured in the hand strap of the escalator system and are arranged in the hand strap at the upper part or the lower part of the escalator, so that the hand strap can be sterilized in real time; meanwhile, the lamp bead working current of the sterilizing lamp can be controlled through the circuit, so that the switch and gear control of the sterilizing lamp are realized.
The disclosed embodiment of the utility model provides a sterilizing lamp circuit, which adopts the following technical scheme:
the utility model provides a bactericidal lamp circuit, including detecting sensor, intensity detection circuitry, singlechip and constant current control circuit, detecting sensor respectively with intensity detection circuitry, singlechip and constant current control circuit electricity are connected, detecting sensor installs in bactericidal lamp pearl one side, gather bactericidal lamp UVC (ultraviolet ray) radiation intensity and trun into the radiation intensity into the signal of telecommunication, the A/D interface of singlechip is input to the signal of telecommunication after the fortune of intensity detection circuitry is amplified, the singlechip passes through the operating current of constant current control circuit control bactericidal lamp pearl, realize the on-off control and the gear control of bactericidal lamp.
Furthermore, the strength detection circuit comprises operational amplifiers A1, A3, resistors R15-20, R27-R32, capacitors C1-C3 and a capacitor C7, wherein the lower end of the resistor R16 is connected with a second pin of a J1 terminal of the detection sensor after being connected with the capacitor C2 in parallel, and a first pin of a J1 terminal of the detection sensor is connected with the resistor R17 in series and then connected with the common upper end of the resistor R16 and the capacitor C2 in series and then connected with a resistor R15 in series; the resistor R19 is connected with the capacitor C3 in parallel, the lower end of the resistor R19 is connected with the second pin of the J2 terminal of the detection sensor, the first pin of the J2 terminal of the detection sensor is connected with the resistor R20 in series and then connected with the common upper end of the resistor R19 and the capacitor C3 in series, and then connected with the resistor R18 in series; the resistor R15 is respectively connected with the first pin of the operational amplifier A1, the resistor R28 and the third pin of the operational amplifier A3; the resistor R18 is respectively connected with the seventh pin of the operational amplifier A1, the resistor R30 and the fifth pin of the operational amplifier A3; the resistor R27 is connected with the second pin of the operational amplifier A3 and the resistor R31 respectively and then connected with the first pin of the operational amplifier A3; the resistor R29 is connected with the sixth pin of the operational amplifier A3 and the resistor R32 respectively and then connected with the seventh pin of the operational amplifier A3; eighth pins of the operational amplifiers A1 and A3 are connected with a voltage VCC and then are respectively connected with the capacitors C1 and C7 in series to be grounded; the third pin, the fourth pin and the fifth pin of the operational amplifier A1 are all grounded; the second pin and the sixth pin of the operational amplifier A3 are respectively connected with a resistor R27 and a resistor R29 in series and then grounded, and the first pin and the seventh pin of the operational amplifier A3 are connected with the singlechip; the second pins of the detection sensor J1 terminal and the J2 terminal are also connected to the second and sixth pins of the op-amp a 1.
Further, the constant current control circuit comprises a self-recovery fuse F1, a bidirectional TVS tube 1, a light emitting diode D13, a diode D14, a constant current voltage stabilizer U1, a field effect tube Q6, a triode Q1, resistors R1-R5, R14, R56, an LED lamp set circuit and a gear control circuit, wherein the self-recovery fuse F1 is respectively connected with the bidirectional TVS tube 1 and the diode D14, one end of the negative pole of the diode D14 is connected with the resistor R14 and the light emitting diode D13, the other end of the negative pole of the diode D14 is connected with the fourth pin of the constant current voltage stabilizer U1, the sixth pin of the constant current voltage stabilizer U1 is connected with the positive pole of the LED lamp set circuit, and the sixth pin of the constant current voltage stabilizer U1 is connected with the fourth pin in parallel with the resistor R2; the resistor R56 is connected with the gear control circuit in parallel and then connected with the resistor R1 in series, the left end of the resistor R56 and the right end of the resistor R1 are respectively connected with the sixth pin and the fourth pin of the constant current regulator U1, the first pin of the constant current regulator U1 is connected with the field effect transistor Q6 in series and then connected with the shared lower end of the light emitting diode D13 and the bidirectional TVS tube 1, the second pin and the third pin of the constant current regulator U1 are connected with the resistor R5 and the resistor R3 in parallel and then connected in series, the lower end of the resistor R3 is respectively connected with the base of the triode Q1 and the resistor R4, the lower end of the resistor R4 is connected with the emitter of the triode Q1, and the collector of the triode Q1 is connected with the negative electrode of the LED lamp group circuit;
the IO port of the single chip microcomputer is connected with an enabling control pin of the constant current voltage stabilizer U1 to control the working state of the single chip microcomputer, and meanwhile, the single chip microcomputer drives the MOS tube to control the current configuration resistor of the constant current control chip, so that the purpose of controlling the working current of the germicidal lamp bead is achieved.
Further, the LED lamp group circuit comprises resistors R6-R13 and light emitting diodes D1-D12, a resistor R6 and a resistor R7 are connected in parallel and then connected in series with diodes D1, D2 and D3, a resistor R8 and a resistor R9 are connected in parallel and then connected in series with diodes D6, D5 and D4, a resistor R10 and a resistor R11 are connected in parallel and then connected in series with diodes D7, D8 and D9, a resistor R12 and a resistor R13 are connected in parallel and then connected in series with diodes D12, D11 and D10, and the common lower end of the resistors R6-R13 is the negative electrode of the LED lamp group circuit; the upper end of the diodes D3, D4, D9 and D10 is the anode of the LED lamp group circuit.
Further, the gear control circuit comprises field effect transistors Q4, Q5, resistors R25, R26 and a capacitor C10, two ends of the capacitor C10 and the resistor R25 are connected in parallel and then are respectively connected with the drain of the field effect transistor Q4 and the source of the field effect transistor Q5, the grid of the field effect transistor Q4 is connected with the voltage VCC in series after being connected with the resistor R26, the connection point of the resistors R56 and R1 is also connected with the source of the field effect transistor Q5, and the drain of the field effect transistor Q5 is connected with the positive electrode of the LED lamp group circuit.
Further, the constant current regulator U1 is model BCR 402U.
The utility model has the beneficial effects that:
1. the LED bactericidal lamp is arranged inside the handrail belt at the upper part or the lower part of the escalator, so that the handrail belt is sterilized in real time;
2. the constant current control circuit of the LED bactericidal lamp controls the lamp bead working current of the bactericidal lamp, so that the bactericidal lamp is controlled by a switch and gears.
Drawings
FIG. 1 is a circuit diagram of a germicidal lamp in accordance with the present invention;
FIG. 2 is a circuit diagram of an intensity detection circuit of a germicidal lamp in accordance with the present invention;
fig. 3 is a constant current control circuit diagram of a germicidal lamp in accordance with the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
The utility model provides a sterilizing lamp circuit, refer to fig. 1, including detecting sensor, intensity detection circuitry, singlechip and constant current control circuit, detecting sensor respectively with intensity detection circuitry, singlechip and constant current control circuit electricity are connected, detecting sensor installs in sterilizing lamp pearl one side, gather UVC ultraviolet radiation intensity and trun into the radiation intensity into the signal of telecommunication, the signal of telecommunication is amplified the AD interface of back input singlechip through intensity detection circuitry's fortune, the singlechip passes through the operating current of constant current control circuit control sterilizing lamp pearl, realize the on-off control and the gear control of sterilizing lamp.
Fig. 2 shows a strength detection circuit, which includes operational amplifiers a1, A3, resistors R15-20, R27-R32, capacitors C1-C3, and capacitors C7, which are electrically connected.
Fig. 3 shows a constant current control circuit, which includes an electrically connected self-recovery fuse F1, a bidirectional TVS tube 1, a light emitting diode D13, a diode D14, a constant current regulator U1, a field effect transistor Q6, a transistor Q1, resistors R1-R5, R14, R56, an LED lamp set circuit, and a shift control circuit.
The self-recovery fuse is characterized in that the model of the self-recovery fuse F1 is MSMF030-2, the model of a bidirectional TVS tube 1 is SMBJ30CA, the models of light emitting diodes D1-D13 are I7-21SURC, the model of a diode D14 is SS34, the model of a constant current regulator U1 is BCR402U, a field effect tube Q4, the model of a Q6 is 2N7002, the model of a field effect tube Q5 is SI2303, the model of a triode Q1 is 2SD669AD, the model of an operational amplifier A1 is SGM8522, the model of an operational amplifier A1 is LM358, the model of a detection sensor is GUVA-S12SD, and the model of a singlechip is STM8S003F 3.
The working principle of the utility model is as follows:
the UVC detection sensor is installed in bactericidal lamp pearl one side, do real-time signal acquisition to the inside UVC radiation intensity of bactericidal lamp, then carry out twice precision fortune through the intensity detection circuit and amplify and AD conversion, again with digital signal input singlechip, the singlechip is handled according to control algorithm and is made the state judgement, the switch of LED banks circuit is realized to field effect transistor Q6's through control constant current control circuit drain voltage, and through gear control circuit control resistance R56's change, thereby adjust the gear control that the gear control of bactericidal lamp was realized to the positive voltage of LED banks circuit.
The LED lamp bank circuit working state comprises the following steps:
(1) the green light is normally on-the equipment works normally: 100% bactericidal strength or 50% bactericidal strength;
(2) red light flashing-equipment warning: sterilization intensity abnormity, service life expiration reminding of lamp beads and the like;
(3) red light is normally on-equipment failure: the sterilization module does not work.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A sterilizing lamp circuit is characterized in that: the detection sensor is respectively connected with the intensity detection circuit, the single chip microcomputer and the constant current control circuit in an electric connection mode, the detection sensor collects UVC radiation intensity and converts the UVC radiation intensity into an electric signal, the electric signal is input to an A/D interface of the single chip microcomputer after being amplified by the operation amplifier of the intensity detection circuit, and the single chip microcomputer controls working current of a germicidal lamp bead through the constant current control circuit so as to control on-off and gear control of the germicidal lamp.
2. The germicidal lamp circuit as recited in claim 1 wherein: the strength detection circuit comprises operational amplifiers A1 and A3, resistors R15-R20, R27-R32, capacitors C1-C3 and a capacitor C7, wherein after the resistor R16 and the capacitor C2 are connected in parallel, two ends of the resistor R16 are respectively connected with a second pin of a J1 terminal of the detection sensor and the resistor R15, and a first pin of a J1 terminal of the detection sensor is connected with resistors R17 and R15 in series; after the resistor R19 and the capacitor C3 are connected in parallel, the two ends of the resistor R19 are respectively connected with the second pin of the J2 terminal of the detection sensor and the resistor R18, and the first pin of the J2 terminal of the detection sensor is connected with the resistors R20 and R18 in series; the resistor R15 is respectively connected with the first pin of the operational amplifier A1, the resistor R28 and the third pin of the operational amplifier A3; the resistor R18 is respectively connected with the seventh pin of the operational amplifier A1, the resistor R30 and the fifth pin of the operational amplifier A3; the resistor R27 is connected with the second pin of the operational amplifier A3 and the resistor R31 respectively and then is connected with the first pin of the operational amplifier A3; the resistor R29 is connected with the sixth pin of the operational amplifier A3 and the resistor R32 respectively and then is connected with the seventh pin of the operational amplifier A3; eighth pins of the operational amplifiers A1 and A3 are connected with a voltage VCC and then are respectively connected with the capacitors C1 and C7 in series to be grounded; the third pin, the fourth pin and the fifth pin of the operational amplifier A1 are all grounded; the second pin and the sixth pin of the operational amplifier A3 are respectively connected with the resistors R27 and R29 in series and then grounded; the second pin of the J1 terminal of the detection sensor and the second pin of the J2 terminal of the detection sensor are connected with the second pin of the operational amplifier A1 and the sixth pin of the operational amplifier A1.
3. The germicidal lamp circuit as recited in claim 1 wherein: the constant current control circuit comprises a self-recovery fuse F1, a bidirectional TVS tube 1, a light emitting diode D13, a diode D14, a constant current stabilizer U1, a field effect tube Q6, a triode Q1, resistors R1-R5, R14, R56, an LED lamp group circuit and a gear control circuit, wherein the self-recovery fuse F1 is respectively connected with the bidirectional TVS tube 1 and the diode D14, the diode D14 is connected with a resistor R14 and the light emitting diode D13, the diode D14 is further connected with a fourth pin of the constant current stabilizer U14, a sixth pin of the constant current stabilizer U14 is connected with the anode of the LED lamp group circuit, a sixth pin and a fourth pin of the constant current stabilizer U14 are connected with a resistor R14 in parallel, the resistors R14 and the gear control circuit are connected with a resistor R14 in series after being connected in parallel, the left end of the resistor R14 and the right end of the resistor R14 are connected with the sixth pin of the constant current stabilizer U14 and the fourth pin of the constant current stabilizer U14, and the diode D14 are connected with the diode D14 in series after being connected with the bidirectional TVS tube Q14 and the first pin of the diode D14 and the diode D14 in series The common lower end of the tube 1 is connected, the second pin and the third pin of the constant current voltage stabilizer U1 are connected in parallel and then connected in series with the resistor R5 and the resistor R3, the lower end of the resistor R3 is connected with the base of the triode Q1 and the resistor R4 respectively, the lower end of the resistor R4 is connected with the emitting electrode of the triode Q1, and the collector of the triode Q1 is connected with the negative electrode of the LED lamp set circuit.
4. The germicidal lamp circuit as recited in claim 3 wherein: the LED lamp group circuit comprises resistors R6-R13 and light emitting diodes D1-D12, wherein the resistors R6 and R7 are connected in parallel and then connected in series with diodes D1, D2 and D3, the resistors R8 and R9 are connected in parallel and then connected in series with diodes D6, D5 and D4, the resistors R10 and R11 are connected in parallel and then connected in series with diodes D7, D8 and D9, the resistors R12 and R13 are connected in parallel and then connected in series with diodes D12, D11 and D10, the common lower end of the resistors R6-R13 is the negative electrode of the LED lamp group circuit, and the common upper end of the diodes D3, D4, D9 and D10 is the positive electrode of the LED lamp group circuit.
5. The germicidal lamp circuit as recited in claim 3 wherein: the gear control circuit comprises field effect transistors Q4 and Q5, resistors R25 and R26 and a capacitor C10, wherein two ends of the capacitor C10 and the resistor R25 are connected in parallel and then are respectively connected with the drain electrode of the field effect transistor Q4 and the source electrode of the field effect transistor Q5, and the grid electrode of the field effect transistor Q4 is connected with the resistor R26 in series and then is connected with a voltage VCC.
6. The germicidal lamp circuit as recited in claim 3 wherein: the constant current voltage regulator U1 is model number BCR 402U.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122530280.5U CN216190282U (en) | 2021-10-20 | 2021-10-20 | Sterilizing lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122530280.5U CN216190282U (en) | 2021-10-20 | 2021-10-20 | Sterilizing lamp circuit |
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| CN216190282U true CN216190282U (en) | 2022-04-05 |
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| CN202122530280.5U Active CN216190282U (en) | 2021-10-20 | 2021-10-20 | Sterilizing lamp circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633133A (en) * | 2023-07-21 | 2023-08-22 | 泉州艾奇科技有限公司 | Constant-current voltage stabilizing circuit |
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2021
- 2021-10-20 CN CN202122530280.5U patent/CN216190282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633133A (en) * | 2023-07-21 | 2023-08-22 | 泉州艾奇科技有限公司 | Constant-current voltage stabilizing circuit |
| CN116633133B (en) * | 2023-07-21 | 2024-05-03 | 泉州艾奇科技有限公司 | Constant-current voltage stabilizing circuit |
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