CN2143468Y

CN2143468Y - Infra-red automatic hand drier

Info

Publication number: CN2143468Y
Application number: CN 92220679
Authority: CN
Inventors: 邹光东
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-11-03
Filing date: 1992-11-03
Publication date: 1993-10-13
Anticipated expiration: 2002-11-03

Abstract

The utility model provides an infrared automatic hand drier, which is provided with a housing, an air heater, and at least a set of reflection type infrared switches which comprise infrared transmittance circuits and infrared receiving circuits. Additionally, the utility model can be provided with an atomizing spraying circuit for disinfection, an acoustics circuit, a controllable water flushing device or an electromagnetic valve for a city water switch, and a lighting circuit. The utility model which has the functions of atomizing spray for the disinfection, illumination, automatic flushing, etc. has the advantages of compact structure, reliable work, hygiene, convenience, long service life and beautiful appearance.

Description

Infra-red automatic hand drier

The utility model relates to a kind of hand drier, particularly be the automatic hand drier of a kind of infrared ray.

At home, particularly in public places, after people wash one's hands, if immediately water is not on hand dried, not only inconvenience but also not attractive in appearance.If use public towel, then infectivity disease.

In view of above reason, the purpose of this utility model is in order to provide a kind of reliable operation, the automatic hand drier of the infrared ray of hygienic and convenient.

Another purpose of the present utility model is for a kind of baking hand function that both possessed is provided, and possesses spray disinfectant again and/or sends beautiful music sound and/or can control the multifunctional infrared automatic hand drier of wash by water device or functions such as running water switch and/or illumination.

The utility model has the housing that contains hot-blast outlet, places air-heater, at least one group of reflection type infrared switch that contains infrared transmitter and infrared radiation receiving circuit (referring to Fig. 1, Fig. 2, Fig. 3) in the housing.

Infrared transmitter in the above-mentioned reflection type infrared switch comprises pulse oscillation circuit, the fluting circuit that is connected with pulse oscillation circuit, the drive circuit that is connected with the fluting circuit, the infraluminescence pipe that is connected with drive circuit, infrared radiation receiving circuit comprises infrared receiver, the amplification treatment circuit that is connected with infrared receiver, the on-off circuit that is connected with amplification treatment circuit is (referring to Fig. 3, Fig. 4), through the pulse signal of the CF that the pulse oscillating circuit is sent fluting and the slotted impulse of output CF is added to the infraluminescence pipe and obtains corresponding infrared pulse signal through drive circuit again in the fluting circuit, infrared receiver in the infrared radiation receiving circuit is received the next pulse signal of infrared transmitter emission after amplification treatment circuit amplifies, bandpass filtering, enter on-off circuit after detection and the shaping and make the on-off circuit conducting that air-heater is opened and reach the purpose of oven dry, infrared transmitter has adopted slotted impulse, so improved transmitting power, increased effective transmitting range, the ballistic device life-span improves greatly.

Bidirectional triode thyristor SCR1A is arranged in the above-mentioned air-heater; the self-protection circuit who is connected with air-heater is arranged in the described hand drier; thermistor Rt1A among the self-protection circuit; with thermistor Rt1A diode in series D12A; the controllable silicon SCR 2A that trigger electrode is connected with diode D12A; the input utmost point of controllable silicon SCR 2A is connected (referring to Fig. 4) with the trigger electrode of controllable silicon SCR 1A; in case rising, the temperature in the air-heater surpasses the temperature limit of air-heater; then controllable silicon SCR 2A triggers; controllable silicon SCR 1A ends; thereby heating circuit and air-heater power supply are cut off; air-heater is shut down, and plays the self-shield effect.

Be provided with in the above-mentioned housing and contain the oscillating circuit that is connected with air-heater that is subjected to reflection type infrared switch control, the atomized spray sterilisation circuit (referring to Fig. 4) of the ultrasonic transducer that is connected with oscillating circuit, air-heater work, ultrasonic wave atomization circuit work and make the thimerosal that places housing in advance spray (also can be fragrant) to play the atomization disinfection effect.

Be provided with the acoustics circuit (referring to Fig. 4) that contains music integrated circuit IC6A, amplifying circuit BG4A, loudspeaker y1A, LED 4A that is subjected to reflection type infrared switch control in the above-mentioned housing, power connection, signal amplify through music integrated circuit IC6A, amplifying circuit BG4A delivers to that loudspeaker y1A sends beautiful musical sound or sound equipment diode (LED) 4A this moment is bright.

The magnetic valve (referring to Fig. 2, Fig. 4) that is subjected to reflection type infrared switch control is arranged in the above-mentioned hand drier, can control the bath of bath device (or box bath device) or running water switch.

The lighting circuit that is subjected to the control of reflection type infrared switch is arranged in the above-mentioned housing, in the lighting circuit by circuits for triggering that contain controllable silicon SCR 3B, resistance R 38B, diode D15B and the delay circuit (referring to Fig. 4) formed by resistance R 39B and capacitor C 19B and resistance R 40B, capacitor C 20B.

Be provided with travel(l)ing rest in the above-mentioned hand drier, housing is contained in (referring to Fig. 1, Fig. 2) on the travel(l)ing rest, and housing can rotate around travel(l)ing rest, satisfies user's different needs.

Above-mentioned reflection type infrared switch is two groups (referring to Fig. 4, Fig. 5), can control air-heater and atomized spray sterilisation circuit, acoustics circuit and magnetic valve and lighting circuit respectively.

The utlity model has following advantage:

1. function is many, has multiple functions such as automatic baking hand, blow head, atomized spray sterilization, illumination, auto-flushing.

2. compact conformation, reliable operation, hygienic and convenient.

3. coverage is long, highly sensitive, long service life.

4. good looking appearance.

Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing:

Fig. 1: the utility model outline drawing

Fig. 2: housing and travel(l)ing rest installation diagram

Fig. 3: the utility model circuit block diagram

Fig. 4: the utility model circuit diagram

Fig. 5: the utility model circuit diagram that counter is arranged

Embodiment 1:

Fig. 1---Fig. 4 has provided the enforcement illustration of embodiment 1 of the present utility model.

Housing 1 is arranged in the utility model; place two groups of reflection type

infrared switches

3,4 on the circuit board 2 in the housing 1; the air-heater 5(FAN that controlled by reflection type infrared switch 3), self-protection circuit 6, the atomized spray sterilisation circuit 7 that is connected with air-heater 5; acoustics circuit 8 is subjected to the magnetic valve 9(DF of reflection type infrared switch 4 controls), lighting circuit 10.

Reflection type infrared switch 3(or 4) pulse oscillation circuit the infrared transmitter 11(or 12 in) is by ic chip 1A and peripheral electron component resistance R1A thereof, R2A, diode D1A-D3A, capacitor C 1A, C2A, ic chip 2A and peripheral electron component resistance R4A thereof, R5A, diode D4A-D6A, capacitor C 3A, C4A(or ic chip 1B and peripheral electron component resistance R1B thereof, R2B, diode D1B-D3B, capacitor C 1B, C2B, ic chip 2B and peripheral electron component resistance R4B thereof, R5B, diode D4B-D6B, capacitor C 3B, C4B) form the secondary pulse oscillation circuit.The fluting circuit is by ic chip 3A and peripheral electron component resistance R6A thereof, R7A, capacitor C 5A, C6A, diode D7A, D8A(or by ic chip 3B and peripheral electron component resistance R6B, R7B, capacitor C 5B, C6B, diode D7B, D8B) form.Drive circuit is by triode BG1A, BG2A, resistance R 8A, R9A(or triode BG1B, BG2B, resistance R 8B, R9B) form.Infrared light emission pipe LED1A(or LED1B) be connected with drive circuit.Ic chip 1A(or IC1B) and the impulse circuit formed of peripheral electron the element pulse signal and ic chip 2A(or the IC2B that produce) and the pulse signal that produces of the impulse circuit formed of peripheral electron element superpose and become the pulse signal of CF, this signal is delivered to ic chip 3A(or IC3B) and the fluting circuit that constitutes of peripheral electron element slot, by ic chip 3A(or IC3B) the slotted impulse of 3 pin output CF, be added to infraluminescence pipe LED1A(or LED2A through drive circuit again) on, thereby corresponding infrared pulse signal obtained.

Reflection type infrared switch 3(or 4) at infrared radiation receiving circuit 13(or 14) the middle infrared (Mid-IR) receiver is to adopt infrared diode D9A(or D9B), ic chip 4A and electronic component resistance R 10A---R12A thereof are arranged, electric capacity G7A-C10A(or ic chip 4B and electronic component resistance R 10B-R12B, capacitor C 7B-C10B in the amplification treatment circuit).Ic chip 5A, resistance R 13A, R14A are arranged, capacitor C 11A, relay J 1A, diode D10A, triode BG3A(or ic chip 5B, resistance R 13B, R14B, capacitor C 11B, relay J 1B, diode D10B, triode BG3B in the on-off circuit).Infrared diode D9A(or D9B) directly receive IC4A(or IC4B) 1 pin, as D9A(or D9B) signal of telecommunication that produced when receiving the infrared pulse signal that infrared transmitter sends is through IC4A(or IC4B) elementary amplification, amplitude limit amplify, bandpass filtering, detection and shaping, by IC4A(or IC4B) 7 pin output trench pulse (rectangle) signal, this signal is added to BG3A(or BG3B) the b pin, through BG3A(or BG3B) deliver to IC5A(or IC5B) 2 pin, make IC5A(or IC5B) conducting, relay J 1A(or J1B) closure.Adjust resistance R 10A(or R10B) and capacitor C 7A(or C7B) can control IC4A(or IC4B) first amplification gain, adjust resistance R 11A(or R11B) can be with IC4A(or IC4B) bandpass filtering among frequency of heart is noninductive is tuned on the tranmitting frequency, make the infrared signal of the CF that receiving circuit only produces radiating circuit have very high sensitivity, to the then sharply decay of response of other signal.Owing to adopted slotted impulse, so improved transmitting power, increased effective transmitting range, the ballistic device life-span improves greatly, and the major part of infrared radiation receiving circuit is IC4A(or IC4B) its gain is very high, adopted noninductive tuning manner, if receiving circuit is with a can bulk shielding, make circuit have very strong interference capability such as anti-electromagnetism, the infrared reflection formula switch coverage of forming is long, sensitive reliable thus, and the life-span is long.

Have among the self-protection circuit 6 thermistor Rt1A, with thermistor Rt1A diode in series D12A, the trigger electrode of the controllable silicon SCR 1A in the input utmost point of controllable silicon SCR 2A and the air-heater 5 is connected.Surpass the temperature limit of air-heater in case the temperature in the air-heater 5 rises, then controllable silicon SCR 2A triggering, controllable silicon SCR 1A end, thereby heating circuit and air-heater power supply are passive disconnected, and air-heater is shut down, and plays the self-shield effect.

Comprise the transformer B2 that is connected with air-heater in the atomized spray sterilisation circuit, full-wave rectifying circuit contains the oscillating circuit of C14A, the C15A of FET BT1, triode BG5A, inductance coil L1A, L2A, tunable capacitor, the ultrasonic transducer JT that is connected with oscillating circuit.

Music integrated circuit comprises music integrated circuit IC6A, amplifying circuit BG4A, loudspeaker y1A, LED 4A.

When the D9A no signal, the IC4A7 pin is exported high DC level, and BG3A ends, and makes IC5A2 pin voltage be higher than threshold values, and J1A is failure to actuate, and air-heater FAN and atomized spray sterilisation circuit are not worked.When the D9A received signal, IC4A7 pin output trench pulse (rectangle), through BG3A, R13A, D10A, C11A impulse electricity, make the IC5A2 pin keep below threshold values, the J1A adhesive, the J1A-1 normally-closed contact disconnects, the LED2A indicator lamp extinguishes, J1A-1 normally opened contact closure, and LED3A lights, IC6A work, loudspeaker y1A emits music or sound equipment.While J1A-2 normally opened contact closure, make the SCR1A conducting, air-heater FAN work, and transformer is connected power supply, the work of atomized spray sterilisation circuit, ultrasonic frequency is by the decision of transducer JT characteristic, and C15A adjusts feedback quantity, L1A, L2A constitute series resonant circuit and stablize amplitude, and FET BT1 is that the oscillating circuit adjustment master utmost point that shakes makes it have the some cycles pulse.Transducer adopts open-type or sealed design.

Magnetic valve 9 is installed on bath device or box bath device or the running water switch.And in the lighting circuit by circuits for triggering that contain controllable silicon SCR 3B, resistance R 38B, diode D15B and the delay circuit formed by resistance R 39B and capacitor C 19B and resistance R 40B, capacitor C 20B, illuminating lamp ZD1B.

During the D9B no signal, J1B is motionless, and illuminating lamp ZD1B does not work, IC7B, 6 pin be high DC level, J2B is failure to actuate.When D9B received signal, IC5B2 pin current potential was lower than threshold values, the J1B adhesive, J1B-1(often opens) and closure, the SCR3B conducting, illuminating lamp ZD1B lights.Automatically extinguish after the delay circuit of being made up of R39B, C19B, R40B, C20B makes the illumination lamp ignition certain hour simultaneously.When IC5B2 pin electricity is lower than threshold values, the J2B adhesive, J2B-1(often opens) closure, magnetic valve work makes the bath of bath device or box bath device or water tap.

From Fig. 1, Fig. 2, can find out, end face is provided with two corresponding journal stirrups 15 on housing 1, two journal stirrups are contained in the rotating shaft 17 in the travel(l)ing rest 16 respectively and 18 lockings of available nut, hold-down support 19 upper ends on the travel(l)ing rest are porose 20, can pass hole and with the utility model dress on the wall or other suitable place on the hold-down support by connector.

Sequence number 21 is the liquid inlet of thimerosal or perfume among Fig. 1, sequence number 22 is the position of external automatic control switch socket, and sequence number 23 is the air-heater placement location, and sequence number 24,25 is a circuit board position, sequence number 26 is the transformer placement location, sequence number 27 is for placing music indication flash lamp position, and sequence number 28 is a hot-blast outlet, and sequence number 29 is for placing the transmitting tube position, sequence number 30 is for placing the receiving tube position, sequence number 31 is for placing the atomizer position, and sequence number 32 is the humidity indication, and sequence number 33 is the temperature indication.

34 are the bath device among Fig. 2.

Embodiment 2:

Fig. 1--Fig. 2, Fig. 5 have provided embodiment 2 figure of the present utility model.Present embodiment 2 is basic same with embodiment 1, not existing together is counter 35(IC7B, the IC8B that is connected on the magnetic valve) when IC5B2 pin level drops is following to threshold values, its trailing edge counter adds the count value of 1 initialize switch BK1B presettable counter, when counter reaches preset value, counter output signal.This output signal is delivered to the time-delay timing loop that C17B, R33B, D13B, C18B, R34B, R35B, IC9B, IC10B, R36B etc. form, again through BG6B, R37B etc., make the J2B adhesive, prolong timing loop and guarantee that the effective adhesive of relay, timing loop continue pickup time of device J2B with control.When the J2B adhesive, J2B-1(often opens) closure, magnetic valve work, and make bath device or box bath device or water tap bath.

Claims

1, the automatic hand drier of infrared ray is characterized in that having in the described hand drier housing that contains hot-blast outlet, places air-heater, at least one group of reflection type infrared switch that contains infrared transmitter and infrared radiation receiving circuit in the housing.

2, the automatic hand drier of infrared ray as claimed in claim 1, it is characterized in that the fluting circuit that infrared transmitter in the described reflection type infrared switch comprises pulse oscillation circuit, is connected with pulse oscillation circuit, the drive circuit that is connected with the fluting circuit, the infraluminescence pipe that is connected with drive circuit, infrared radiation receiving circuit comprises infrared receiver, the amplification treatment circuit that is connected with infrared receiver, the on-off circuit that is connected with amplification treatment circuit.

3, the automatic hand drier of infrared ray as claimed in claim 1; it is characterized in that bidirectional triode thyristor SCR1A is arranged in the described air-heater; the self-protection circuit who is connected with air-heater is arranged in the described hand drier; have among the self-protection circuit thermistor Rt1A, with the controllable silicon SCR 2A that thermistor Rt1A diode in series D12A, trigger electrode are connected with diode D12A, the input utmost point of controllable silicon SCR 2A is connected with the trigger electrode of controllable silicon SCR 1A.

4, the automatic hand drier of infrared ray as claimed in claim 1, it is characterized in that being provided with in the described housing and contain the oscillating circuit that is connected with air-heater that is subjected to the control of reflection type infrared switch, the atomized spray sterilisation circuit of the ultrasonic transducer that is connected with oscillating circuit.

5, the automatic hand drier of infrared ray as claimed in claim 1 is characterized in that being provided with in the housing in the automatic hand drier of described infrared ray the acoustics circuit that contains music integrated circuit IC6A, amplifying circuit BG4A, loudspeaker y1A, LED 4A that is subjected to reflection type infrared switch control.

6, the automatic hand drier of infrared ray as claimed in claim 1 is characterized in that having in the described hand drier bath the controlled device that is subjected to the control of reflection type infrared switch or the magnetic valve of running water switch.

7, the automatic hand drier of infrared ray as claimed in claim 1, it is characterized in that having in the described hand drier lighting circuit that is subjected to reflection type infrared switch control, in the lighting circuit by circuits for triggering that contain controllable silicon SCR 3B, resistance R 38B, diode D15B and the delay circuit formed by resistance R 39B and capacitor C 19B and resistance R 40B, capacitor C 20B, illuminating lamp ZD1B.

8, the automatic hand drier of infrared ray as claimed in claim 1 is characterized in that being provided with travel(l)ing rest in the described hand drier, and housing is contained on the travel(l)ing rest.

9, the automatic hand drier of infrared ray as claimed in claim 1 is characterized in that described reflection type infrared switch is two groups.