EP1241968A1 - Verbesserte handwaschvorrichtung - Google Patents

Verbesserte handwaschvorrichtung

Info

Publication number
EP1241968A1
EP1241968A1 EP00993580A EP00993580A EP1241968A1 EP 1241968 A1 EP1241968 A1 EP 1241968A1 EP 00993580 A EP00993580 A EP 00993580A EP 00993580 A EP00993580 A EP 00993580A EP 1241968 A1 EP1241968 A1 EP 1241968A1
Authority
EP
European Patent Office
Prior art keywords
volume
fluid
hands
cleaning
cleaning volume
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00993580A
Other languages
English (en)
French (fr)
Other versions
EP1241968B1 (de
Inventor
Joel Mercier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Genie ET Environnement
Original Assignee
Genie ET Environnement
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Genie ET Environnement filed Critical Genie ET Environnement
Publication of EP1241968A1 publication Critical patent/EP1241968A1/de
Application granted granted Critical
Publication of EP1241968B1 publication Critical patent/EP1241968B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K7/00Body washing or cleaning implements
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00Holders or dispensers for soap, toothpaste, or the like
    • A47K5/06Dispensers for soap
    • A47K5/12Dispensers for soap for liquid or pasty soap
    • A47K5/1217Electrical control means for the dispensing mechanism

Definitions

  • the invention relates to the field of hygiene, in particular hand hygiene.
  • Hands are the main route of transmission of microorganisms responsible for infections.
  • the flora of the hands comes from the human body, and / or contact with the environment and / or contact with other people and / or infectious or microbial foci airborne or preexisting in a certain place.
  • emission means for emitting radiation or for emitting ultrasound in the cleaning volume
  • reception means for receiving radiation reflected by the walls of the cleaning volume or ultrasound, these reception means emitting a signal in response to radiation or ultrasound depending on the presence of hands in said volume
  • the transmission, reception and processing means constitute detection means, capable of detecting the presence of the hands inserted in said volume.
  • a detection of the presence of the hands, and a cleaning of the hands, without the need for any contact with the cleaning volume, makes it possible to ensure effective disinfection and without risk of transmission by handlicking.
  • the fluid is preferably contained in a removable pocket connected by connection means, also removable, to the means for injecting a fluid.
  • the bag / connection means assembly is disposable, which makes it possible to avoid the reuse of used bags into which possible sources of contamination may have been introduced.
  • the means for injecting a fluid comprise, for example, a spray nozzle provided with a coaxial nozzle, itself provided with grooves to rotate the fluid during its injection into the cleaning volume.
  • the fluid injection means comprise a peristaltic pump.
  • a fluid injection pipe can be easily introduced into the pump, and removed from the pump, which makes it possible to constitute a device here again compatible with increased safety. Indeed, the fluid injection pipe can then be discarded as soon as the bag, which contains the cleaning liquid, is empty.
  • the cleaning volume is preferably a volume without roughness.
  • it is preferably made in a shell, itself in one piece. This avoids the roughness, the grooves and the recesses which constitute privileged places of deposit of dust, accumulation of microbial flora, and other vectors of contamination and infection.
  • the device is managed by electronic means, and in particular electronic means for triggering a fluid injection when the presence of hands in the cleaning volume is detected.
  • the detection means when the detection means use electromagnetic waves, the detection means make it possible to detect, at regular intervals, a variation in the intensity of the reflected radiation with respect to a reference intensity of this reflected radiation.
  • means may also be provided for detecting a variation in the reference intensity of the reflected radiation. This makes it possible to get rid of any variation or derives from the conditions imposed by the environment, that is to say by the interior of the cleaning volume and by the walls which delimit it.
  • the detection means preferably operate synchronously, which makes it possible to disregard any parasitic signals located outside of determined time windows.
  • the radiation is preferably emitted into the detection volume in the form of coded pulses. This avoids interference or untimely triggering of the sanitary device according to the invention by external electronic means, for example a television remote control.
  • display means can be provided, and in particular means which indicate to a user, having introduced his hands into the cleaning volume, an order to withdraw the hands from the cleaning volume, after a certain cleaning time. This ensures that a user does not remove their hands before the completion of a complete and effective spraying of a dose of cleaning liquid.
  • connection system for a liquid bag comprising a connection pipe and a nozzle nozzle.
  • a connection pipe and a nozzle nozzle can be connected to a syringe and / or needle and striker system to make a connection with the bag or the receptacle containing the liquid.
  • FIG. 1A to 1C show general views of a device according to the invention, according to various embodiments
  • FIG. 2 shows a block diagram of a device according to the invention
  • FIG. 3 illustrates an embodiment of a liquid bag and its connection means according to the invention
  • FIG. 4 shows an injection nozzle of a device according to the invention
  • FIG. 5 is a time diagram of pulses emitted by a transmitter, and detection windows
  • FIGS. 7A to 7C are time diagrams of an example of operation of a device according to the invention.
  • FIG. 8A is a general diagram of an electronic management device of a device according to the invention.
  • FIG. 8B is an example of a detailed representation of an electronic management device of a device according to the invention.
  • FIG. 9 is an example of a display device of a device according to the invention.
  • the reference 32 designates a cleaning volume, delimited by five walls and open on one side.
  • the opening 49 located at the front of the device, has a size sufficient for a person to introduce both hands.
  • a receptacle 36 located above the cleaning volume 32, contains a cleaning product 39. However, this receptacle can be located below or on one of the sides.
  • Means 38 make it possible to detect the presence of hands in this volume.
  • the reference 34 designates means for injecting a cleaning fluid, on hands present in the volume 32, after the presence of the latter in the volume 32 has been detected by the detection means 38.
  • the operation of the device and in particular the management of the detection of the presence of hands in the volume 32, and the injection of product which results from this detection, is managed by an electronic unit 43, or management block, which is preferably contained in a compartment 35.
  • the housing 43 is thus isolated from the means 36 which contain the cleaning liquid, and from the interior of the volume 32.
  • a pump, or a pump housing 41 which can be controlled by the housing 43 , ensures the withdrawal of a quantity of liquid in the receptacle 36 and its injection into the volume 32 via the spraying means 34.
  • Said pump has a pump head containing a flexible tubular member in which the fluid is capable of being entrained and a pump body comprising an electric motor intended to compress said tubular member.
  • a front panel 47 has a display device 37, of the liquid crystal display type.
  • a display device 37 of the liquid crystal display type.
  • such a device does not have any fixing screw, no detachment or protrusion, no possibility of encrustation of dust or micro-germs or any other substance of a contaminating nature.
  • a cover 60 articulated around an axis 61 located on the rear of the device, forms, in the closed position, a compartment 53 which contains the receptacle
  • the device can, moreover, be provided with a notch 33 allowing the handling. Thus, it is not necessary to hang the device on another object, itself intended to be worn. This avoids mechanical contact with other parts which may possibly be dirty.
  • the interior of the volume 32 is preferably without angles, nooks or crannies or asperities, the latter constituting privileged places for depositing and housing dust and other particles detrimental to good hygiene.
  • the volume 32 is part of a shell 31, made in a single piece, in which the front panel 47 which supports the display means 37 is embedded, and which has no roughness capable of retaining dust or other particles.
  • the shell 31 is capable of being made of injected plastic, ABS or others, or of plastic or stainless steel sheet metal.
  • injected parts and stainless steel parts can be combined.
  • this shell 31 is made from several parts forming a monoblock to avoid any possibility as minimal as it is of encrustation of micro dust, micro germs or other contaminating substances.
  • the spraying means 34 make it possible to spray a cleaning fluid inside a spraying area, or cone
  • the detection means 36 make it possible to detect the presence of hands inside a zone 58, or cone, for detecting hands, which covers, at least in part, the detection zone 56.
  • FIG. 1C represents another embodiment of a device according to the invention.
  • References identical to those of FIGS. 1A and 1B designate elements identical or corresponding to those of these figures.
  • the receptacle or pocket 36 is mounted at the rear of the device, in a compartment provided for this purpose.
  • the injection or spraying of product takes place, also in this embodiment, from the top of the cleaning compartment, by the means 34.
  • the means 43 are mounted in a compartment located at the top of the device.
  • the cleaning compartment is articulated around an axis 57. It is held, from above, with means 59, for example clipping means.
  • access to the product receptacle 39 is easy, which makes it possible to easily change this receptacle when it is empty.
  • FIG. 2 represents an operating diagram of the device.
  • the box, or management block 43 receives signals from the means 38 for detecting the presence of an object, or of hands, in the volume 32.
  • this same management block 43 which controls the operation of a pump 41, itself connected to the means 34 for injecting fluid into the volume 32.
  • This fluid comes from the receptacle 36 in which the liquid is stored. of cleaning.
  • the management block 43 also controls user interface means 54, and in particular the display screen 37 in FIGS. 1A and 1B.
  • the management block 43 is supplied with voltage by means 40, 42.
  • a mains supply 40 is connected to means 44 for managing the charge of a battery 46, which supplies it - even the management block 43.
  • the receptacle 36 used to contain the cleaning liquid 39 is preferably a plastic bag, of the medical bag type.
  • the use of disposable PET or HDPE shrink bags is planned. Obviously, any other type of material providing the required qualities could be suitable.
  • the bag gradually empties of its liquid but no external particle, like any external atmosphere, can be introduced into this pocket.
  • the liquid used is preferably a hydroalcoholic solution and the bag contains between 0.250 and 2 liters. After spraying on the hands, a thin protective film remains on the skin for a while.
  • the pocket 36 is provided, at the outlet, with a connection pipe 50 at the end of which is fixed a nozzle nozzle 86. It is this nozzle nozzle which performs the injection of a quantity liquid in the volume 2.
  • the hose / nozzle assembly constitutes a connection system which is removable and separable from the bag 36. It can be combined with means of the type needle and / or syringe and / or striker to make a connection with the pocket or the receptacle containing the liquid.
  • the pump 41 is preferably a peristaltic pump. This pump is capable of injecting fractions of disinfection liquid between 1 and 3 ml. Obviously, the pump is adjustable so as to adjust the volume of liquid delivered.
  • the tube 50 is then introduced into the peristaltic pump 41, then the endpiece 86 is mounted at the end of the tube.
  • the endpiece 86 is introduced into an orifice in a support 80 of the spraying means 34.
  • a nozzle nozzle 84 distributes the product in the volume 32.
  • the nozzle of conical shape has an angle determined so as to obtain an appropriate spray angle.
  • the nozzle 84 is preferably provided with grooves which make it possible to rotate the liquid during its injection into the volume 32.
  • a screw 88, ground into a needle, makes it possible to adjust the flow rate and the pressure of the injected fluid.
  • the connection means 50, 86 of the pocket to the spraying means 34 can be separated from one another and from the pocket 36.
  • the pump unit 41 can be provided to be exchanged regularly, for example each time the bag 36 is replaced. This makes it possible to avoid any wear of the product injection mechanism in the volume 32. This therefore maintains constant efficiency of operations of cleaning.
  • the pump head is removable and thus it is possible to change it with the whole of the pocket and the connection means by a new disposable kit comprising a new pump head and a new set of pocket and means. connection, to obtain optimal health security.
  • the pump head has a brass contactor which must be removed before installing the disposable kit.
  • the pipe 50 can be made, for example, of santoprene or silicone.
  • the means 38 for detecting an object or hands in the volume 32 can comprise, for example, a capacitive sensor, which performs proximity detection.
  • the detection means consist of an ultrasonic transmitter and receiver and of processing means controlling the means for injecting a fluid.
  • a detection using electromagnetic radiation and more particularly infrared electromagnetic radiation is used.
  • Detection of the “passive infrared” type can be disturbed by external heat sources, such as a convector or a radiator, or by external electromagnetic waves, which triggers the injection of the product inadvertently.
  • an infrared detection sensor of the “active” type Thanks to this sensor, the presence of hands can be detected up to a distance of around 20 cm.
  • an infrared transmitter and a receiver are used.
  • the infrared emission is controlled by electronic means of the box 43.
  • infrared pulses are emitted in the volume 32 at regular intervals. For example, pulses with a width of 100 microseconds are emitted every 100 milliseconds.
  • the detector preferably operates on a synchronous detection principle.
  • the presence of the transmitted signal is controlled during a certain time window. Any other signal, outside this window, does not disturb the operation of the device.
  • the transmitter regularly emits pulses I ⁇ , I 2 , I 3 ..., while detecting the presence of the signal reflected by the surfaces of volume 32 takes place during the intervals ⁇ ti,
  • the signals emitted by the transmitter can, moreover, be coded. Only the correct reception of this code then allows the pump to be started.
  • This code can be, for example, transmitted cyclically, and quickly enough for the triggering of the disinfection be performed in less than 0.2 to 0.3 seconds
  • This coding of the signals emitted by the transmitter makes it possible to make the device insensitive to the use, for example, of a television or VCR control in its environment.
  • this type of environment is often encountered in the bedrooms. sick in hospitals or clinics
  • FIG. 6 represents the time evolution of an infrared pulse reflected by the walls of the volume 32
  • the reflected beam has a maximum intensity I r ⁇
  • the intensity of the reflected beam varies, to reach a value I r2
  • the variation I r] - I r2 is interpreted by the electronic device as the presence of hands in volume 32, and a quantity of product is then injected for cleaning In the example given, this variation is a decrease.
  • the reflectivity can be modified in the direction of an increase or a decrease.
  • the reflectivity characteristics of the surfaces of the walls which limit the volume 32 change.
  • the color of the surfaces of the walls may change over time, or a certain product (and in particular a product contained in the disinfection liquid 39, which is regularly sprayed into the volume 32) may be, little by little, deposited on the walls of volume 32. All these factors can modify the reflection characteristics of these walls.
  • the intensity of the reflected beam can gradually decrease from I r ⁇ to I ⁇ ⁇ .
  • the maximum or reference intensity with respect to which the presence of the hands is detected is no longer Iri but I ' r ⁇ . In other words, it is now a variation I r2 - I ' r ⁇ which can trigger the injection of a dose of cleaning product, and no longer a variation I rl - I r2 .
  • the electronic device is programmed so as to regularly measure the variations in amplitude of the beam reflected by the walls of the volume 32.
  • measurements of the intensity of the reflected beam are made over a certain period, by example for a few minutes, so as to determine whether a possible variation in the intensity of reflection occurs when the volume 32 is empty.
  • any slow evolution of the reference medium can be identified with respect to which the detection of the presence of hands in the volume 32 is to be carried out.
  • the pulses are transmitted in groups, during periodic intervals, of predetermined period T2.
  • the intensity of the reflected radiation is then detected on average, also over periodic intervals, of predetermined period, for example of period T2.
  • the management block calculates the average value of the amplitude of the pulses received in response to each group of pulses sent. The triggering of a spraying occurs if the variation of the average value is greater than a set value.
  • the receiving means preferably operate only during these same periodic intervals, which saves energy from the power source of the device.
  • FIGS. 7A to 7C are time diagrams for an example of operation according to this embodiment. Represented are the infrared pulses emitted ( Figure 7A), the operating intervals of the receiver ( Figure 7A) and the reflected pulses received by the device receiver ( Figure 7A).
  • the received signals are shown in Figure 7C.
  • the management block calculates the average value of the amplitude of the 4 pulses received in response to each group of 4 pulses sent. The triggering of a spraying occurs if the variation of the average value is greater than a set value.
  • This operating or coding mode makes it possible to avoid disturbance by parasitic pulses such as those resulting for example from the operation of a remote control for a television set.
  • FIG. 8A represents the electronic device 43 for controlling the pump 41.
  • the reference 90 designates a microcontroller. This is, for example, a PIC 16 LC 72-04 / SO reference microcontroller from Microchip.
  • This microcontroller makes it possible to control the display of the display means 37.
  • the detection means 8 comprise the emitting diode 92 and the receiving diode 94.
  • the microcontroller 90 therefore controls the emission of pulses by the diode 92, via an associated circuit 98.
  • the microcontroller receives, after amplification, the signals produced by the diode 94. These signals are amplified and filtered by an amplification and filtering circuit 96. The signals are then processed and analyzed as explained above, the microcontroller 90 being programmed for this purpose.
  • the pump motor 41 is also controlled by the microcontroller 90, via a circuit 102 for speed control and control of the pump motor.
  • a circuit 100 makes it possible to detect the presence of a charger for the batteries 46, to control the charging of these batteries, and to regulate the voltage of the supply to the entire device.
  • FIG. 8B shows a detailed embodiment of the electronic device 43.
  • the values of the components are indicated there by way of example, as well as the values of bias voltages which are indicated in the figure.
  • the references 37, 41, 90, 92, 94 designate the same elements as in FIG. 8A.
  • the management of the infrared detection, the motor control, the display on the screen 37 are provided by the circuit 90.
  • a supply supervisor made up of components 134, 264, 266 is associated with this circuit to ensure correct starting.
  • Reference 264 designates a regulator, reference 266 a capacitance of approximately 100nF and reference 134 a resistance of approximately 100 k ⁇ .
  • protective elements are provided (resistors 218 (approximately 100 k ⁇ ), 222 (approximately 47 k ⁇ ), 246 (approximately 470 k ⁇ ), and 248 (approximately 470 k ⁇ ), diodes 220 and 250, capacity 252 (approx. 100 nF)).
  • the control circuit of the emission diode comprises two resistors 144, 146, of 390 k ⁇ and 100 k ⁇ respectively, which constitutes a voltage divider connected to the gate of an FET transistor 142.
  • the source and the drain of the latter are respectively connected to ground and to a resistor 140 of 22 k ⁇ , to which the emitting diode 92 is itself connected.
  • Pin 18 of the microcontroller 90 generates the pulses, these signals are then amplified by the transistor 142, making it possible to generate a current in the emission diode 92. This current is limited by the resistor 140, it is for example fixed at 200 mA.
  • An 8-way connector 117 makes it possible to connect the display 37 to the microcontroller 90.
  • the control circuit of the display 37 essentially comprises the resistors 138 of 1 k ⁇ .
  • the circuit 96 for amplifying and filtering the signals received by the diode 94 for receiving the reflected pulses is constituted in the following manner.
  • a capacitor 112 (2.2 nF) and a resistor 114 (100 k ⁇ ) are connected in series, and connected to the inverting input of an amplifier 100.
  • the polarization of the latter is, on the one hand, ensured by a 3.3 V voltage source and, on the other hand, by an assembly which connects an output of the microcontroller 90 and which essentially comprises a first resistor 130 (10 k ⁇ ) and a second resistor 132 (100 k ⁇ ), which constitute a voltage divider to which the base of a transistor 126 is connected.
  • a feedback loop essentially comprises a capacitor 104 (4.7 pF) and a resistor 108 (470 k ⁇ ) connected in parallel.
  • the output of the first amplifier 100 is connected to a resistor 109 (100 k ⁇ ) and to the inverting input of a second amplifier 102, polarized by the same so that the first, whose feedback loop presents the components 106, 110 identical to the components 104, 108.
  • a two-way connector 139 allows manual control of the system. This connector is connected to the microcontroller via two resistors 148 (100 k ⁇ ) and 150 (47 k ⁇ ). A diode 152 is mounted in parallel with the latter. The elements 148, 150, 152 are protective elements making it possible not to exceed the specifications of the microcontroller 90.
  • the circuit 154 ensures a reset of the microcontroller 90, and a storage of data to be kept permanently.
  • Resistors 156 have a value of 47 k ⁇ .
  • a two-way connector 190 is intended to be connected to the motor of the pump 41. To this connector are connected two transistors 158, 160 mounted as shown in FIG. 8B.
  • the transistor 158 is connected to a thermal fuse 162. With these elements, the transistors 164 and 174, and the resistors 166, 168 (about 4.7 k ⁇ ), 170, 176 (100 k ⁇ ) and 178 (10 k ⁇ ) constitute a pump motor current analysis circuit. Components 163, 164, 166 may also not be wired.
  • the motor voltage is controlled via resistors 180 (24 k ⁇ ) and 182 (12 k ⁇ ).
  • the motor control circuit includes, in addition to transistor 160, resistors 184, 186 (respectively 47 k ⁇ and 10 k ⁇ ), transistor 188, diode 192, resistors 194, 196 and 198 (respectively 3.3 k ⁇ , 1 k ⁇ and 370 k ⁇ ), transistor 200 and resistors 202 (100 k ⁇ ) and 204 (10 k ⁇ ).
  • the motor is controlled by two pins of the microcontroller 90.
  • Pin 6 of the microcontroller generates a continuous command for 2.5 seconds, active in state "0". This command is amplified by the transistors 160 and 200.
  • the components 184, 194, 202, 204 ensure blocking and correct saturation of these transistors.
  • the elements 186, 188, 193, 192, 196, and 198 make it possible to limit the maximum operating time of the motor in the event that the microcontroller is faulty.
  • Pin 13 of the microcontroller generates a signal with variable duty cycle, this signal is amplified by transistors 158 and 174.
  • the image of the motor voltage is taken by 180, 182, 183, then is sent to pin 3 of 90.
  • the analog signals present on this pin are internally converted by the microcontroller 90 into digital signals.
  • This operation controls the speed of the motor independently of the battery voltage.
  • Components 163, 166, 170 and 164 limit the current if the motor crashes.
  • An oscillator 210 supplies the clock signals to the microcontroller 90.
  • This oscillator 210 is mounted, as shown in FIG. 7B, with two capacitors 212, 214, of 56 pF each.
  • the operating frequency is for example 800 kHz.
  • a two-way connector 216 makes it possible to detect the presence or absence of a pocket 36 of liquid. Two circuits associated with this connector include a resistor 218 (100 k ⁇ ), a diode 220 and a resistor 222 of 47 k ⁇ .
  • the presence of a charger can be detected and the charging of the batteries can be controlled.
  • the image of the battery voltage is sent to a pin of the microcontroller which also has an analog / digital converter.
  • the voltage on this pin is measured by the microcontroller. When this voltage drops below a fixed value (for example 3.075 volts for 6.15 volts of battery voltage) the “battery” pictogram 70 lights up on the screen 17.
  • a fixed value for example 3.075 volts for 6.15 volts of battery voltage
  • the microcontroller blocks the operation of the entire spraying system and displays the "battery" pictogram on screen 17 in the flashing state.
  • the system becomes operational again if the battery voltage again exceeds a certain value, for example 6.35 volts.
  • the "charge control" signal is generated via pin 11 and the "charger presence” signal via pin 5
  • the selected voltage is for example 3.3 Volts, it is produced by the regulator 260, and the capacitors 258, 262.
  • the resistor 254 and the diode 256 provide protection of the components mentioned above against possible parasitic overvoltages.
  • infrared signals are emitted by the diode 92. These signals are reflected by the underside of the housing, and a part is returned to the infrared receiver. They are amplified and then the result is transmitted to pin 2 of the microcontroller 90.
  • This pin also has an analog / digital converter.
  • the converted value is stored in the microcontroller.
  • the reflection rate changes, this causes the digital value of the received signal to vary.
  • the microcontroller continuously calculates the difference between the value received and that stored during the calibration.
  • the microcontroller again generates the infrared signals.
  • a new hand detection cycle can then take place.
  • a condition imposed for this can be that the measured value is equal to that memorized during the calibration.
  • the display means 37 may include a set of symbols, or pictograms, 62-70, as illustrated in FIG. 9.
  • the symbol 62 represents a display which indicates to the user the need for repair.
  • the symbol 64 indicates that the liquid level 39 in the receptacle 36 reaches a minimum which necessitates a next replacement of the receptacle 36, with a complete volume of cleaning liquid, or a filling of this receptacle.
  • the symbol 66 indicates to an operator, using two arrows 66-1 66-2, the possibility of introducing hands to be cleaned into the device (display 66-1), or the possibility of withdrawing hands after sufficient time for complete cleaning (display of arrow 66-2)
  • the symbol 68 indicates to a user that the projection of liquid is in progress.
  • the battery symbol 70 indicates to an operator that the energy available in the battery 46 is less than a certain threshold value.
  • the mains supply consists of a “DC” adapter on the market.
  • the battery pack is made up of 5 1.35 Volt NTMH (Nickel-Metal-Hydride) technology cells with a maximum capacity of 1.3 Ampere / hour. In this way, the system is capable of operating for approximately 2000 sprays without charging the batteries.
  • NTMH Nickel-Metal-Hydride
  • the charge of the battery cells is controlled by an electronic device.
  • the total charge is carried out in less than 4 hours. After this time, a holding current is ensured so as not to damage the batteries.
  • the pump is of the peristaltic type.
  • Spraying is provided by a commercial diffuser, which makes it possible to obtain a spray cone of 50 ° for a pressure of 1.5 Bar (tolerable limit for the pump). However, it is possible to reduce the pressure and reduce the spray angle, while maintaining the same flow rate.
  • the characteristics of the pump and the diffuser determine the spraying time.
  • Infrared detection It is carried out with a transmitting diode and a high-efficiency receiving diode, in order to minimize consumption.
  • the pulses are emitted every 250 milliseconds and have a duration of a few micro seconds. This makes it possible to further reduce consumption without degrading the reaction time to the introduction of the hands.
  • the detection principle is of the synchronous type.
  • the transmission and reception lobes were determined according to the position of the hands and the spray cone.
  • the display screen which is a non-multiplex LCD allowing high contrast and a wide viewing angle.
  • a push button accessible to the user, which allows to put the device in maintenance mode, or to clean the inside of the box. Pressing this button again returns the system to normal mode.
  • a flexible bag of the medical bag type, is used.
  • the capacity of this bag is 0.65 liters.
  • the autonomy of the system (until the symbol "low battery” is displayed on the LCD) can be estimated as follows: B Energy available from the battery 80% of 1.3 Ampere / hour (under 6
  • the operating time can therefore be estimated at 1004 / 27.4, i.e. more than 36 days for 100 uses / day
  • the autonomy can be estimated as well.
  • the device according to the invention can be used in sensitive places
  • the invention also finds application in the following environments: B hospitals, clinics, retirement hands, B medical offices, in particular for doctors, physiotherapists, dentists, gynecologists, podiatrists, pediatricians, dermatologists; B pharmaceutical and medical analysis laboratories; B liberal home health professions; B ambulances and emergency vehicles;
  • the device according to the invention can be connected to a wall by a definitive or clip-on wall fixing, or it can be transportable. In addition, it can operate on mains power with voltages between 100 and 250 volts at a frequency of 50 or 60 Hz. However, it can operate independently with its own batteries, and integrate devices for disinfection products standardized automatically or semi-automatically.
  • the device according to the invention in its transportable version, has shapes suitable for transport with one hand.
  • the pressure lock is capable of being locked by means of a key.

Landscapes

  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Domestic Plumbing Installations (AREA)
  • Power Steering Mechanism (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Seal Device For Vehicle (AREA)
  • Vehicle Body Suspensions (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
EP00993580A 1999-12-24 2000-12-22 Verbesserte handwaschvorrichtung Expired - Lifetime EP1241968B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9916498 1999-12-24
FR9916498A FR2802792B1 (fr) 1999-12-24 1999-12-24 Dispositif perfectionne de nettoyage des mains
PCT/FR2000/003668 WO2001047401A1 (fr) 1999-12-24 2000-12-22 Dispositif perfectionne de nettoyage des mains

Publications (2)

Publication Number Publication Date
EP1241968A1 true EP1241968A1 (de) 2002-09-25
EP1241968B1 EP1241968B1 (de) 2006-04-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00993580A Expired - Lifetime EP1241968B1 (de) 1999-12-24 2000-12-22 Verbesserte handwaschvorrichtung

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Country Link
US (1) US20040083547A1 (de)
EP (1) EP1241968B1 (de)
JP (1) JP2003518571A (de)
KR (1) KR20020071903A (de)
CN (1) CN1433279A (de)
AT (1) ATE323440T1 (de)
AU (1) AU2858201A (de)
BR (1) BR0016597A (de)
CA (1) CA2395355A1 (de)
DE (1) DE60027467D1 (de)
FR (1) FR2802792B1 (de)
IL (1) IL150380A0 (de)
MX (1) MXPA02006290A (de)
WO (1) WO2001047401A1 (de)

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GB2467661B (en) 2007-09-20 2013-02-13 Bradley Fixtures Corp Lavatory system
US8377229B2 (en) * 2008-04-29 2013-02-19 Resurgent Health & Medical, Llc Ingress/egress system for hygiene compliance
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US8997271B2 (en) 2009-10-07 2015-04-07 Bradley Corporation Lavatory system with hand dryer
US9267736B2 (en) 2011-04-18 2016-02-23 Bradley Fixtures Corporation Hand dryer with point of ingress dependent air delay and filter sensor
US9170148B2 (en) 2011-04-18 2015-10-27 Bradley Fixtures Corporation Soap dispenser having fluid level sensor
US9239361B2 (en) * 2011-06-23 2016-01-19 Proventix Systems, Inc. System and method for powering and monitoring an automated battery powered dispenser
USD663016S1 (en) 2011-08-25 2012-07-03 Bradley Fixtures Corporation Lavatory system with integrated hand dryer
CA2873015C (en) 2012-03-21 2018-11-13 Bradley Fixtures Corporation Basin and hand drying system
US10100501B2 (en) 2012-08-24 2018-10-16 Bradley Fixtures Corporation Multi-purpose hand washing station
CN102987963A (zh) * 2012-12-18 2013-03-27 宁波力丰机电科技有限公司 一种移动式洗手机
CA2973669C (en) 2015-01-12 2021-12-14 Sca Hygiene Products Ab A pump for a system for dispensing a liquid as a spray, a spray nozzle unit, a system for dispensing a liquid as a spray and a method for dispensing a liquid as a spray
US11015329B2 (en) 2016-06-08 2021-05-25 Bradley Corporation Lavatory drain system
US10041236B2 (en) 2016-06-08 2018-08-07 Bradley Corporation Multi-function fixture for a lavatory system
JP6793918B2 (ja) 2016-09-02 2020-12-02 日本光電工業株式会社 測定装置
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CN106730297A (zh) * 2016-12-01 2017-05-31 广西纺源医疗科技有限公司 红外线感应自动出泡沫消毒液机
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Also Published As

Publication number Publication date
KR20020071903A (ko) 2002-09-13
DE60027467D1 (de) 2006-05-24
JP2003518571A (ja) 2003-06-10
CA2395355A1 (en) 2001-07-05
CN1433279A (zh) 2003-07-30
ATE323440T1 (de) 2006-05-15
IL150380A0 (en) 2002-12-01
MXPA02006290A (es) 2004-05-14
US20040083547A1 (en) 2004-05-06
AU2858201A (en) 2001-07-09
FR2802792A1 (fr) 2001-06-29
EP1241968B1 (de) 2006-04-19
FR2802792B1 (fr) 2002-05-03
BR0016597A (pt) 2002-09-10
WO2001047401A1 (fr) 2001-07-05

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