EP3339795B1 - Appareil d'ejection de liquide - Google Patents

Appareil d'ejection de liquide Download PDF

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Publication number
EP3339795B1
EP3339795B1 EP17210302.0A EP17210302A EP3339795B1 EP 3339795 B1 EP3339795 B1 EP 3339795B1 EP 17210302 A EP17210302 A EP 17210302A EP 3339795 B1 EP3339795 B1 EP 3339795B1
Authority
EP
European Patent Office
Prior art keywords
fluid
pump
projectile
hand
fluid container
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.)
Active
Application number
EP17210302.0A
Other languages
German (de)
English (en)
Other versions
EP3339795A3 (fr
EP3339795A2 (fr
Inventor
Jürg Thomann
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.)
Piexon AG
Original Assignee
Piexon AG
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
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Publication of EP3339795A2 publication Critical patent/EP3339795A2/fr
Publication of EP3339795A3 publication Critical patent/EP3339795A3/fr
Application granted granted Critical
Publication of EP3339795B1 publication Critical patent/EP3339795B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/60—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
    • F41B11/62—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas with pressure supplied by a gas cartridge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B05B12/124—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/60—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
    • F41B11/64—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas having a piston effecting a compressor stroke during the firing of each shot
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/70—Details not provided for in F41B11/50 or F41B11/60
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/70—Details not provided for in F41B11/50 or F41B11/60
    • F41B11/73—Sealing arrangements; Pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/80—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B6/00—Electromagnetic launchers ; Plasma-actuated launchers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
    • F41B9/0003—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid
    • F41B9/0031—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid the liquid being pressurised at the moment of ejection
    • F41B9/0037—Pressurisation by a piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
    • F41B9/0059—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the number or kind of pressure or storage chambers
    • F41B9/0062—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the number or kind of pressure or storage chambers the liquid being stored in the handle, grip or stock of the gun
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
    • F41B9/0087—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the intended use, e.g. for self-defence, law-enforcement, industrial use, military purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C27/00—Accessories; Details or attachments not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H9/00—Equipment for attack or defence by spreading flame, gas or smoke or leurres; Chemical warfare equipment
    • F41H9/10—Hand-held or body-worn self-defence devices using repellant gases or chemicals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0855—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven
    • B05B9/0861—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven the motor being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
    • F41B9/0059—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the number or kind of pressure or storage chambers

Definitions

  • the invention relates to a device and a method for shutting a fluid projectile on a target body, comprising a handheld device for shooting the projectile, wherein the handset comprises a drive for accelerating the projectile and a distance measuring device for measuring a distance between the handset and the target body, wherein the Device further comprises an energy storage device for operating the drive.
  • Devices for spraying irritants are known in various embodiments and are used by both police, army as well as private especially for self-defense.
  • a first known embodiment is designed as an irritant spray device and comprises a pressure vessel with irritant, wherein the irritant via a valve control (push button or the like) can escape via a nozzle under pressure.
  • a valve control push button or the like
  • the irritant may in principle be liquid, as a foam or as a gel.
  • the spray pattern can in principle correspond to a conical mist or a jet.
  • ballistic properties can be assigned to it when the beam of relatively low cross-sectional area and high velocity hits a target body. This effect is known by the term "hydraulic needle effect".
  • the irritant itself may include, for example, capsicum.
  • the known devices for spraying irritants have the disadvantage that, in particular in a variant with a spray jet in use against persons injuries can be caused. In particular, eye damage can not be ruled out due to the "hydraulic needle effect" with a short deployment distance.
  • US 9,022,255 B1 discloses a device for shutting off a fluid projectile, wherein a control unit controls the orientation of a directable nozzle in dependence on a measured distance to a target.
  • WO 00/73726 A2 discloses a device for shutting off a fluid projectile wherein a fluid projectile is ejected from a pressure vessel and wherein a measured distance to a target for controlling an ejection valve is used to generate either a cloud or a mist.
  • KR 101 157 823 B1 discloses a device for shutting down a fluid projectile using a measured distance to a target for controlling the diameter of an ejection valve.
  • the object of the invention is to provide a the technical field mentioned above belonging device for spraying an irritant, whereby a risk of injury can be reduced by a beam.
  • the drive comprises a control unit, with which the drive can be controlled as a function of the measured distance.
  • a device for shooting a fluid projectile on a target body is a device comprising a hand-held device for shooting a Fluidfracils, as well as a drive for accelerating the projectile and a Distance measuring device used for measuring a distance between the handset and the target body.
  • the device further comprises an energy store for operating the drive.
  • the drive comprises a control unit, with which the drive is controlled as a function of the measured distance.
  • an ejection amount, an ejection time (projectile length) and / or an exit velocity from the handset can be regulated.
  • a short distance between the handset and the target body so that the kinetic energy can be kept low, so that injuries, especially eye injuries can be avoided by the so-called "hydraulic needle effect”.
  • the projectile is designed as a fluid projectile .
  • it is a liquid projectile or a liquid jet.
  • the fluid projectile or the liquid jet preferably has a predefined length, ie the drive is actuated upon actuation of the device for a predetermined period of time.
  • the fluid projectile need not force a predetermined length.
  • the device may also be designed such that the drive is actuated for as long as the user actuates the device.
  • the term handset means a device which can be operated with one hand and which can be worn by the user in one hand.
  • the handset comprises at least one handle.
  • the hand-held device can be connected to a storage container or an energy store for the supply of projectiles, in particular with irritant, as well as for the supply of energy via corresponding lines or hoses (see below).
  • the handset includes a drive for accelerating the projectile.
  • the drive can be designed in different ways.
  • the propulsion system accelerates the projectile to its maximum speed, whereupon the projectile is braked to zero due to air friction or an impact on a target body.
  • the projectile describes approximately during this (neglecting the air resistance) a parabolic flight.
  • the distance measuring device is designed such that it allows a distance between the handset and a target body to be measured.
  • the distance measuring device is preferably arranged in the region of an outlet opening of the hand-held device and preferably measures a distance between the outlet nozzle of the hand-held device and a supposed target, which would currently be hit upon actuation of the drive.
  • the distance measuring device outputs a distance signal to a processor, which determines therefrom, and optionally from other parameters, the pump power.
  • the other parameters may include, for example, a fluid temperature (eg, to take into account the viscosity of the fluid), the outside temperature, humidity, elevation of the nozzle (especially if it is not automatically adjustable, see below), etc.
  • the energy storage provides the acceleration energy for the projectile.
  • the energy storage may include a capacity for accelerating one or more projectiles.
  • the control unit serves to control the drive as a function of a distance measured with the distance measuring device.
  • the control unit is preferably a computing unit, in particular a processor, with which the distance data can be converted into an amount of energy with which the projectile is accelerated.
  • the fluid projectile is a propionic fluid projectile, particularly as an irritant fluid projectile enriched with a UV-sensitive substance educated.
  • the device thus preferably comprises an irritant spray device. The use of UV-sensitive substances in the irritant ensures that when irradiated with UV light both the irritant jet during the shutting and the / the affected can be well recognized.
  • the UV light source is preferably arranged on the hand-held device, but can also be designed as a device separate from the device (flashlight, etc.).
  • flashlight etc.
  • the fluid projectile may also comprise only a dye or the like, with which an object or a person can be marked.
  • the device can be designed to shoot solid projectiles, which are accelerated, for example, by a magnetic field, and the magnetic field is controlled by means of the data from the distance sensor.
  • the solid projectile can also be drivable over a plurality of pyrotechnic charges, wherein a number of charges is activated by means of the data of the distance sensor.
  • the handset comprises the control unit.
  • the control unit may also be carried separately, for example decentrally or in a bag, a backpack or the like.
  • a power of the drive is controllable in dependence on the measured distance.
  • the controller is preferably designed such that, below a predetermined limit distance between the hand-held device and the target body, the drive is operated in such a way that the projectile leaves the hand-held device at a lower speed than if the predetermined limit distance were exceeded.
  • the control can also be designed such that the drive is not activated below the limit distance.
  • a plurality of limiting distances are provided, between each of which a power of the drive is assigned, wherein the controller can optionally be configured such that below a minimum limit distance of the drive is completely switched off.
  • the controller may also be configured such that the drive when exceeding a maximum limit distance at which a meeting the item is excluded or improbable, is switched off.
  • the fluid projectile has a lower kinetic energy at a short distance, so that a risk of injury to a target person can be reduced.
  • the power of the drive is continuously adapted to the measured distance. It can thus be achieved that a impact energy of the projectile on the body can be kept constant substantially independent of the distance. User-friendly operation is further achieved by continuously adjusting the power of the drive as a function of the distance of the handset to the body, as it can reduce the effects of the projectile's parabolic flight as the target is targeted, thereby reducing the impact of the launching angle on the aiming accuracy ,
  • a period of time for the spraying of the irritant can be controlled as a function of the measured distance.
  • the projectile can also be changed. For example, at a short distance instead of a fluid jet, atomization or the like may be provided, thus also reducing a risk of injury.
  • a launch angle of the projectile is controllable relative to the handheld device as a function of the measured distance and / or as a function of the power of the drive.
  • the handheld device preferably comprises an outlet channel, via which the projectile exits.
  • the angle of the outlet channel is preferably variable relative to the handset.
  • the angle of the outlet channel is motor-adjustable relative to the handset, in particular for example via a servo or a micro servo.
  • the launch angle can also be controlled independently of the measured distance, in particular, this can be adjustable, for example by hand.
  • the drive is electrically operable and the energy store comprises in particular at least one accumulator.
  • the use of an electrically operable Drive has the advantage that it is easily adjustable by the electrical power is regulated. Next, electric drives are inexpensive to manufacture.
  • a pyrotechnic drive charge may also be provided, with only a portion of the drive charge being ignited, for example, with a short distance between the hand-held device and the target body.
  • cold-tensioned gas can be provided as a drive, wherein the power can be adjusted via a valve.
  • the energy storage comprises at least two accumulators, wherein the control unit is designed such that, depending on the measured distance of the drive with an accumulator or with more than one accumulator is operable.
  • the control unit is designed such that, depending on the measured distance of the drive with an accumulator or with more than one accumulator is operable.
  • the drive can be operated with different power.
  • the drive is operated only with an accumulator, whereby the projectile with reduced exit velocity leaves the handset, in particular an orifice of the handset.
  • the power can also be regulated purely electronically.
  • the power for the drive can also be continuously controlled in relation to the measured distance.
  • the relation of the power to the measured distance does not have to be linear, but can be calibrated on the basis of measured values, for example.
  • the drive is designed as a pump.
  • the pump is particularly easy to control. Electric pumps are also inexpensive and easy to integrate into a handheld device.
  • the pump is preferably designed such that a pump power can be controlled via the power supply. This is advantageous because after the measurement of the distance between the handset and the target body a quick switching is necessary, so that is fired with the correct setting. Alternatively, one would be
  • Control of the pump via a valve conceivable, it would have to be optionally provided a blocking of the device during the changeover, so that the device is ready to fire only after the setting.
  • the pump is designed as a peristaltic or peristaltic pump.
  • the peristaltic pump is a displacement pump in which a fluid can be delivered by deformation of a hose.
  • the deformation typically takes place via a rotor, which by means of rollers or sliding shoes locally squeezes the hose against the pump housing and thus drives the hose contents through the rotation of the rollers or sliding shoes.
  • the irritant may be driven out of the cylinder via the peristaltic pump through the exit nozzle to create the fluid projectile.
  • peristaltic pumps comprise only a few moving parts.
  • the peristaltic pump has the further advantage that it is particularly robust and unproblematic in terms of tightness, in particular because the fluid does not come into contact with any relatively moving sealing surfaces, as is the case for example with a piston pump. Further, thus, an exit velocity can be relatively easily controlled by the rotation speed of the motor.
  • the peristaltic pump comprises an electric motor and a rotor, wherein a hose can be squeezed with the rotor.
  • the rotor in the present case has a circular cylindrical basic shape with two mutually axially spaced and radially projecting flanges, wherein between the flanges rollers for squeezing the tube are arranged.
  • the circular cylinder of the rotor hollow inside and unilaterally open, so that it can be slipped over a motor housing respectively via a motor or via a gearbox or gearbox of the engine.
  • the hose is thus arranged around the engine or the transmission during operation. This achieves a particularly compact design.
  • the peristaltic pump can also be designed otherwise In particular, neither the gearbox nor the motor need be accommodated in a cavity of the rotor.
  • the pump may also be designed as a diaphragm pump or gear pump.
  • the membrane for example mechanically or be deflected electromagnetically.
  • the membrane pump may be designed as a micro-diaphragm pump, which is operable with commercially available batteries.
  • the person skilled in the art also discloses further conveying means for the fluid.
  • the handset comprises a fluid container which is fluidically connectable to the pump.
  • the fluid lines can be kept short, which means the pump must work against correspondingly small frictional resistance.
  • the pump performance can be used largely for the acceleration of a fluid projectile.
  • the fluid container is preferably an exchangeable unit.
  • the fluid container may also be included separately from the handheld device by the device.
  • the pump is frictionally connected via a conical connection with the fluid container.
  • a conical connection is understood below to mean an outer cone of a first fluid line which can be inserted into an inner cone of a second fluid line in order to achieve a fluid connection.
  • the conical formation of the connection creates a tight connection with simple means.
  • connection techniques known to those skilled in the art for fluid connections can also be used.
  • a bayonet connection, a screw connection, another plug-in or latching connection, etc. may be provided.
  • the conical connection comprises a fuse, in particular a screw connection, in order to secure the conical connection.
  • the screw connection preferably comprises a sleeve surrounding the outer cone with an internal thread, while the inner cone comprises a corresponding external thread, respectively a radially projecting shoulder, which can interact with the internal thread. This achieves a particularly simple connection of the fluid container to the pump.
  • the fluid container itself can be secured to the handheld device via any securing means known to the person skilled in the art, so that the conical connection can not come loose.
  • the fluid container may have an external thread, which is in an internal thread of a corresponding receptacle of a housing of the Handset engages.
  • the fluid container may be secured to the housing by a bracket, a screw cap, an elastic member, etc., so that the conical connection can not be loosened.
  • the backup can also be dispensed with, especially if the frictional connection is sufficiently strong.
  • the fluid container and the pump comprise a Luer-lock connection, via which the fluid container can be fluidically connected to the pump.
  • a Luer-lock connection for a particularly easy to produce, dense and secure connection between the pump and the fluid container is achieved, which has proven particularly in the field of medical syringes.
  • the Luer-lock connection has the further advantage that when replacing the fluid container there is a relatively low risk of contamination with the fluid. This is of great relevance in particular when using irritants as a fluid.
  • connection techniques can be used.
  • the fluid container has a variable volume. This can be dispensed with in the removal of the fluid to a pressure equalization, which in turn a leakage and thus a risk of contamination can be reduced.
  • the fluid container may also have a fixed volume.
  • a check valve may be provided to equalize the pressure.
  • the fluid container can also be pressurized.
  • the fluid container comprises a cylinder with a piston movable within the cylinder.
  • the cylinder is fluidly connected to the pump, so that with the pump a Fluidfracil can be removed from the cylinder, whereby the piston in the cylinder, preferably exclusively by the negative pressure caused by the pump, moves.
  • the piston may be fluidly connected to the pump, so that a fluid projectile can be removed from the cylinder.
  • the position of the piston in the cylinder is preferably visible when the fluid container is mounted in the hand-held device.
  • the visibility can be achieved by the cylinder is transparent and is either not completely covered by the handset or through a viewing window of the handset is visible. This can be viewed in a structurally simple manner from the outside of the level of the fluid container.
  • the level of the fluid container can also be made visible elsewhere.
  • the moving relative to the handset part, that is preferably the piston or the cylinder be connected to a control element which can mechanically or electronically reproduce the level.
  • the level indicator can also be dispensed with.
  • a sack-like fluid container may be provided instead of the cylinder with the piston.
  • a conventional cartridge or bottle, etc. may be provided as a fluid container.
  • a linear drive can be provided, which propels the piston in the cylinder.
  • a rack drive can be provided (see below).
  • the fluid container comprises a main chamber for a first fluid and a secondary chamber for a second fluid, wherein the main chamber is separated with a membrane from the secondary chamber.
  • On the secondary chamber can also be dispensed with. Instead of a secondary chamber can be separated with the membrane and an outside space.
  • the device comprises a mandrel, wherein the membrane can be punctured by means of emptying the main chamber.
  • the mandrel is preferably fixed relative to the handset during operation and the membrane moves during the emptying in the direction of the mandrel, so that in an emptying state, especially when the main chamber is empty, the mandrel pierces the membrane, so that the contents of the secondary chamber of the pump can be promoted.
  • the membrane can also be arranged fixed relative to the hand-held device, while the mandrel moves toward the membrane during the emptying and punctures it.
  • the mandrel is formed in the preferred embodiment as inwardly in the cylinder, projecting towards the piston needle, through which the fluid is sucked by the pump.
  • the membrane preferably separates a secondary chamber in the piston, so that the needle can penetrate directly into the secondary chamber.
  • an irritant is provided in the main chamber, while in the sub-chamber, for example, a cleaning agent is provided. This can be emptied after Main chamber the handpiece of irritant residues are freed before a new fluid container is used. This contamination can be avoided.
  • another agent additive can be provided, for example with a means for offender marking or for decontamination.
  • the auxiliary chamber can be opened with the membrane and only the cylinder outwards, so that air sucked and the handset can be cleaned.
  • the piston and the cylinder are designed as a replaceable unit.
  • the handset can be reused in a simple and cost-effective manner.
  • a user-friendly handling is thus possible, in particular since no irritant has to be filled.
  • the unit may also include other parts.
  • the unit may, for example, also include the battery for feeding the pump. This can be ensured at a replacement of the unit that both the battery power as well as the supply of irritants are filled.
  • the batteries may also be formed separately replaceable and / or the device may include a charging station for the handset, with which an accumulator can be charged. The production of this unit from cylinder and piston can be produced in a particularly cost-effective manner, in particular by means of injection molding or similar efficient production methods.
  • the interchangeable unit can also be dispensed with.
  • the cylinder may be equipped with a refill port through which the cylinder can be filled with irritant.
  • the outlet nozzle can also be designed such that the same can be used to fill the cylinder by retracting the piston by means of a motor or manually or by operating the pump in the opposite direction. This would have the advantage that at the same time the nozzle can be cleaned.
  • the handset may be formed together with the fluid container as a disposable item.
  • Both the piston and the cylinder may be formed as an injection molded part and are therefore particularly simple and inexpensive to produce.
  • the drive in particular the cylinder and the piston, may be formed of both plastic and other materials, such as metal or composites.
  • a simple operation of the drive is achieved, since a discharge of the fluid can be achieved by a linear advancement of the piston.
  • the means To achieve the relative movement between the piston and cylinder can thus comprise simple, known in the art drives.
  • the drive comprises a cylinder for receiving a fluid and a piston movable in the cylinder along a longitudinal axis and means for achieving a relative movement between the piston and the cylinder
  • the cylinder itself may comprise an outlet nozzle, via which the fluid, in particular in the form of a fluid projectile, can be ejected.
  • the piston can be provided with a drive, in particular a linear drive, preferably with a rack drive (see below).
  • the drive can be realized otherwise, in particular as a commercially available fluid pump, as already described above.
  • One of these variant associated ejection device for ejecting a fluid for use in a device for shutting a fluid projectile on a target body, preferably comprises a cylinder and a cylinder in the cylinder along a longitudinal axis movable piston, which comprises a rack.
  • the handset for example, include an electric motor with a gear, which can be moved with the gear engaged with the rack gear when inserted in the handset ejector of the hoop.
  • the rack is integrally connected to the piston.
  • the rack may also be formed as a separate component.
  • the piston comprises a rack
  • the means for advancing the piston comprises a motor, in particular an electric motor, with a gear, wherein the advancing of the piston, the gear is in engagement with the rack.
  • the drive comprises an electric motor with a reduction gear to a gear rotation, a feeding the rack and thus advancing the piston to reach in the cylinder.
  • the rack is fixedly connected to the piston and formed integrally with the piston.
  • the rack is preferably formed on a push rod of the piston.
  • the rack may also be designed as a separate element, similar to the cartridge presses known to those skilled in the art, cartridge guns, silicone presses or extrusion guns, in which the piston is moved in the cylinder by means of a separate pressure rod.
  • the piston can also be effected via a lever mechanism similar to the cartridge press.
  • the advancement can also be hydraulically or pneumatically, for example via a pump, wherein the hydraulic advancement is preferable due to the easier controllability.
  • the piston forms an interchangeable unit together with the cylinder.
  • the nozzle connected to the cylinder or integrally formed with it is also preferably exchanged. This can be avoided that lines, the nozzle, the pump, etc. are attacked by the irritant or be limited by residues of the irritant in their function.
  • a functional nozzle is present - in systems where the nozzle is not replaced, however the risk of the nozzle becoming obstructed over time by dehydrating residues of the irritant.
  • the unit may also include other parts.
  • the unit may also include the battery for feeding the electric motor. This can be ensured at a replacement of the unit that both the battery power as well as the supply of irritants are filled.
  • this unit from cylinder and piston can be produced in a particularly cost-effective manner, in particular by means of injection molding or similar efficient production methods.
  • the unit thus comprises the cylinder with the nozzle and the piston with the rack.
  • the interchangeable unit does not necessarily comprise the rack, but may also comprise only the piston, the rack is provided with the push rod by the handset.
  • the interchangeable unit can also be dispensed with.
  • the cylinder may be equipped with a refill port through which the cylinder can be filled with irritant.
  • the nozzle may be such that the cylinder can be filled via the same by the piston is retracted by a motor or manually. This would have the advantage that at the same time the nozzle can be cleaned.
  • the handset comprises the electric motor with the gear for driving the rack, and a receptacle for the unit comprising the cylinder with the nozzle and the piston with the rack.
  • the unit may be inserted into the receptacle of the handset such that the rack meshes with the gear.
  • the piston, the cylinder and the rack, as well as the gear are preferably dimensioned and arranged so that the piston can be substantially completely retracted into the cylinder.
  • the gear is no longer engaged with the rack and is free to rotate. This can easily be avoided overloading the motor after emptying the unit.
  • a limit switch can be provided which can turn off the drive in dependence on the relative position in the piston.
  • the handset may include the nozzle / and / or the rack, whereby a cheaper exchangeable unit is achieved.
  • the distance measuring device is designed as a laser sensor.
  • the user can also be shown the destination, which at Activation of the drive would be taken.
  • the accuracy can be increased.
  • the nozzle angle can be automatically adjusted to the distance and the drive power so that the point of impact corresponds to the point which is targeted by the laser.
  • the laser may also be pivotable, so that the laser beam would be aligned as a function of the distance and the drive power, so that the stimulus beam coincides with the laser point at the target point.
  • ultrasonic sensors can also be used. These have the advantage that they work well even in poor visibility, while for example an infrared measurement in smoke or fog can fail.
  • radar or infrared can also be used for distance measurement.
  • the skilled person is also known to other variants.
  • the handset comprises a suction mandrel, whereby a fluid projectile can be removed from a fluid container.
  • a fluid projectile can be removed from a fluid container.
  • the, preferably liquid, irritant may be present in unpressurized containers, that is, the containers containing the irritant are not under pressure.
  • This can be provided, for example, swap bodies, so that, for example, the handset is reusable.
  • the fluid container is a disposable container. This is particularly advantageous in the case of use of irritants, since this prevents undesired contamination with the irritant.
  • a refillable container may be provided.
  • the intake mandrel is preferably designed for piercing into a fluid container, in particular for piercing into a septum of a fluid container.
  • a container preferably comprises a membrane or the like, which can be pierced by the Ansaugdorn. This has the advantage that the container does not have to be opened before insertion.
  • the suction mandrel can also be screwed to the container, in particular similar to a gas cartridge.
  • the fluid container is integrated or integrable in a handle of the handset.
  • an optimal position of the center of gravity of the hand-held device with integrated fluid container is achieved, in particular in the case of a hand-held device largely made of plastic.
  • the fluid container is replaceable in the handset, so that the handset can be easily recharged.
  • the fluid container may be formed separately (see below).
  • the handheld device is preferably movable independently of the fluid container, in particular can be aligned with a target body.
  • the fluid container is designed as a component independent of the hand-held device.
  • the hand-held device can thus be connected, for example via a hose or the like, to the fluid container, in particular a suction mandrel in the fluid container.
  • the fluid container can be sized larger without affecting the handling of the handset.
  • the device can thus be used for longer operations, without the device reloaded or a fluid container must be replaced.
  • a corresponding hand-held device can thus be designed to be easier and easier to handle.
  • an accumulator can be made larger.
  • a hand-held device comprises the fluid pump, in particular a peristaltic pump, a diaphragm pump or the like.
  • the fluid conveying means in particular the pump, is included by the hand-held device.
  • the separate fluid container may include the pump.
  • the fluid container can also be integrated in the hand-held device.
  • the handheld device is preferably movable independently of the accumulator, in particular can be aligned with a target body.
  • the accumulator is thus not housed in the handset in one embodiment, but is available as an external electricity supplier.
  • the handset is preferably connected in this case via power cables to the battery or a power grid.
  • the handset easier and easier to use, on the other hand, so can the accumulator be designed with a larger capacity, so that the device can be used over a longer period.
  • the accumulator may also be housed in the handset.
  • the handset has a receptacle for an insert, wherein the insert is optionally formed as a fluid container insert or as a connecting element to a handpiece separate fluid container, wherein the device comprises in particular the connecting element.
  • the device can be designed in two ways, but while the handset is designed identically for both types. This allows a particularly variable use of the device.
  • the handset includes for this purpose a receptacle, which may be housed, for example in the form of a receptacle for a pistol magazine, in the handle of the handset.
  • the insert could be used in this case similar to a magazine in this recording.
  • the insert can be present correspondingly in the two variants, so that a replacement of the inserts is easily possible.
  • the insert comprises the fluid container.
  • the handset includes the fluid container during operation.
  • the fluid container can be dispensed with an external fluid container, whereby a particularly easy to handle device is achieved.
  • the fluid container is preferably designed as a swap body.
  • the insert comprises a connecting line, in particular a fluid connection to an external fluid container.
  • a connecting line in particular a fluid connection to an external fluid container.
  • the user is thus provided with a device in which can be changed quickly and easily between external and integrated fluid container.
  • This allows an efficient response to changing situations.
  • the device as an irritant spray device
  • the use of the connecting element together with the external irritant container in particular in large operations, such as in riots, in which a large number of people are involved, be beneficial.
  • a large supply of irritant is thus provided, on the other hand injuries can be avoided due to the distance measuring device.
  • the variant with the integrated fluid container is the Example in patrols of advantage, since the device is kept smaller and lighter in this embodiment.
  • the connecting element can also be dispensed with, in particular if the device is intended only for short, spontaneous applications.
  • the insert is designed as a connecting element to a hand-held device separate fluid container and as a connecting element to one or more separate to the handset accumulators.
  • the connecting element comprises at least one electrical connection and one fluid connection, as well as corresponding electrical and fluidic supply lines to the hand-held device.
  • high power density of the battery or for sporadic use can be dispensed with external batteries.
  • the separate to the handset fluid container and / or separate to the handset accumulator comprises a carrying belt, in particular a shoulder belt.
  • the separate fluid container comprises a tank which can be worn on the back.
  • Such a device may be designed essentially as a backpack, wherein the tank may be present as a bag or as a dimensionally stable tank.
  • the support belt can also be designed as a simple loop for carrying over a shoulder or as a hip belt.
  • the fluid container can also be integrated in a vest, a jacket or the like.
  • the handset preferably comprises a handle with a trigger for actuating the drive.
  • the distance measuring device is preferably also activated via the trigger.
  • the distance between the target body and the hand-held device is measured by means of the distance measuring device.
  • the measured distance is preferably compared with a previously defined limit distance. If the measured distance is smaller than the limit distance, the drive is operated with low power. Unless the measured Distance is greater than the limit distance, then the drive is operated with greater power.
  • the skilled person is, however, clear that can be measured continuously with the distance measuring device.
  • the device or the handheld device may, for example, comprise a switch for switching the device on and off, wherein the distance measuring device continuously measures when the device is switched on.
  • the control unit is particularly preferably such that, when the device is switched on, the control unit is set to weak power as a default and that the power is increased only after a measurement of a sufficiently large distance to the target body.
  • an apparatus for shutting a fluid projectile onto a target body comprises a handheld device for firing the projectile, wherein the handheld device comprises a drive for accelerating the projectile, wherein the drive comprises a cylinder for receiving a fluid and a piston movable in the cylinder along a longitudinal axis and means for achieving relative movement between the piston and the cylinder.
  • the device according to the invention comprises an energy store for operating the drive.
  • the energy storage device can be present, for example, as an accumulator or as a battery, but also as a mechanical energy store, for example as a tension or compression spring, as a gas pressure accumulator, etc.
  • this further embodiment can include a distance sensor according to the first embodiment, wherein in particular the drive can be controlled via the distance sensor (see above).
  • the irritant is directly in the cylinder, so that when empty irritant container, the cylinder can be replaced together with the piston. This can reduce the risk of contamination by the user.
  • a bag-like container for the irritant may be provided, which can be introduced via a suitable coupling in the cylinder, so that the contents of the container can be ejected through the nozzle.
  • suitable coupling may be formed, for example, as a known bottle thread, as a bayonet lock and the like. The person skilled in the variants are known. In use, the piston is moved into the cylinder, whereby the sack-like container is pressed together by the forward movement and thus the irritant is expelled through the nozzle.
  • the outlet nozzle is likewise held on the bag-like container, in particular preferably in the region of the respective centered for coupling. This in turn creates a system in which a contamination by the irritant only at the exchangeable container, in this case the bag-like container with the nozzle, takes place.
  • the nozzle may also be part of the cylinder.
  • the means for achieving the relative movement as a pump, preferably designed as a peristaltic pump.
  • the relative movement can also take place via a linear drive.
  • the piston is movable by generating a negative pressure in the cylinder.
  • the piston can also be pressurized with the pump so that the piston can be driven into the cylinder and the fluid can be expelled from the cylinder.
  • the outlet nozzle through which the fluid projectile exits, is indirectly connected via a pump to the fluid container, in particular the cylinder.
  • the fluid projectile is sucked with the pump from the fluid container and ejected through the outlet nozzle.
  • the cylinder is formed as a single fluid container for the fluid.
  • a separate fluid container may be provided, which serves as a reservoir, which can be filled by returning the piston in the cylinder, the cylinder with fluid from the reservoir.
  • the one or more accumulators or batteries can be arranged in a separate battery compartment of the handset. Further, the batteries may be connected to the fluid container, so that in each case when changing a fluid container and the batteries be replaced. For this purpose, the capacity can be matched to the content of the fluid container, so that with a new battery, for example, the entire contents of the fluid container can be fired at maximum power. For a simplified handling of the device is achieved, since only the level of the fluid container must be monitored.
  • the handset may also include other electronic components.
  • the handset can further comprise a Led, a flashlight, a target laser, a camera, a display, for example for status display on the level of the fluid container or a state of charge of the accumulator, a distance display, etc.
  • FIG. 1 shows a schematic side view of a first variant of a device 100 for shooting a fluid projectile with inserted insert 200 of a first embodiment.
  • the device of the first variant (hereinafter "variant 100") comprises a housing 101 with a handle in a lower region.
  • the variant 100 comprises a trigger 110, which in the present case is designed as a push button.
  • a conventional gun trigger a touch screen, in particular, for example, with fingerprint recognition to prevent abuse, or the like may be formed.
  • the variant 100 comprises frontally, vertically above the handle, a distance sensor 112, an outlet nozzle 111 for the irritant and an LED 113.
  • the variant 100 comprises an insert 200 with the irritant.
  • the FIG. 2 shows the variant 100 according to FIG. 1 as a sectional view.
  • the variant 100 further includes a drive 114 in the form of a diaphragm pump 114, which can be controlled by a control unit 115.
  • a control unit 115 is also connected to the distance sensor 112 such that measured distances can be processed by the control unit 115.
  • the distance sensor 112 is in the present case designed as a laser sensor, but other distance sensors such as ultrasound, IR, radar and the like may be provided.
  • the control unit 115 can control the pump 114 as a function of the measured distance.
  • a short distance is set by default for security reasons, so that the pump 114 can pump only with low power, which in turn a risk of injury is kept low. If a distance to a target object which is greater than a limiting distance is detected by the distance sensor 112, the power is correspondingly increased by the control unit.
  • the variant 100 further comprises two batteries 120, which according to FIG. 2 lie one behind the other, so that only one battery 120 can be seen.
  • the batteries 120 are connected to the pump 114 via power lines 121, 122.
  • the power lines 121, 122 each still include a power connection 123, 124 for an additional battery pack, which will be discussed in more detail below. In the figures, not all lines are drawn for the purpose of a better overview. It will be clear to those skilled in the art how to provide the electronics for these devices.
  • the pump 114 is connected to an insert of the first embodiment 200 via a suction hose 116.
  • the suction tube 116 is fixed in the housing 101 and includes distally a piercing spike 117.
  • the insert 200 comprises a container 201 for the irritant, as well as a septum 202, in which the spike 117 can pierce.
  • the septum 202 is located at the foot of the container 201.
  • the insert is held in the housing 101 via a locking device, not shown, in particular a snap spring or the like.
  • the insert 200 is designed as a disposable insert. This can simply pulled out of the housing 101 by overcoming the holding force of the locking device and a new insert 200 can just as easily, to latching, are inserted.
  • two batteries are used to drive the pump 114.
  • two batteries can be used to power the pump when the power is high.
  • a range of about 1.5 m at high power, i. with both batteries, a range of about 5 m can be achieved.
  • a range of 1.5 m an eye injury caused by the beam is most likely to be ruled out even in the immediate vicinity.
  • the LED is presently designed as a UV-LED.
  • the irritant is a UV-sensitive substance, such as uranine, added so that the irritant shines under UV irradiation.
  • the accuracy can be increased because the beam can be optically followed and the target hit can be detected. Furthermore, the goal can still be identified later.
  • FIG. 3 shows a schematic side view of a first variant 100 of a device for shutting a fluid projectile with inserted insert 300 of a second embodiment in a sectional view.
  • the elements of the device for shutting off the fluid projectile are identical to those of FIG. 2 , The difference is only in the insert 300 of the second embodiment.
  • This insert 300 in the present case has no container for irritant, but comprises additional batteries 310, 311 which are connectable via two current connections 304, 305 to the power connections 123, 124 of the variant 100.
  • the insert 300 comprises a tube 303 which is connectable to the irritant with an external container. When piercing the mandrel 117 in the septum 302 of the insert 300 this protrudes directly into the tube 303, so that with the pump 114 via the tube 303 irritant can be sucked.
  • FIG. 4 shows a schematic representation of an arrangement comprising a first variant 100 of a device for shutting a fluid projectile with inserted insert 300 of a second embodiment and a backpack connected to the use of 400th
  • the hose 303 is connected to a container 401 in the backpack.
  • the backpack in this case includes shoulder straps 402 so that it can be worn on the back.
  • the container 401 can also be attached to a girdle his.
  • the hose can also be designed to be sufficiently long, so that, for example, a single container can be used for a plurality of devices for shedding irritant.
  • the insert 300 can just as easily be pulled out of the housing 101 and replaced by, for example, an insert 200.
  • the batteries in the insert 300 can be dispensed with if the batteries are also arranged externally, in particular in the backpack 400, for example.
  • the capacity can be further increased.
  • FIG. 3 shows a schematic side view of a second variant 500 of a device 500 for shutting off a fluid projectile.
  • the device 500 comprises a distance sensor 512 below an exit nozzle 511, with which, as in the device described above, a distance can likewise be measured. The measured distance is evaluated by a control unit 515, whereupon a power for the pump 514 is defined.
  • the pump 514 can in the present case be driven by two batteries. In the FIG. 5 For the sake of clarity, no electrical cables are shown.
  • the device 500 includes, within the housing 501, a suction tube 516 which connects the piercing spike 517 to the pump 514.
  • an insert 600 is inserted, which comprises a container 601 for a fluid and a septum 602.
  • the piercing mandrel 517 pierces the septum so that the fluid can be delivered through the tube 516 to the pump.
  • the insert 600 can be dispensed with.
  • the housing 501 itself may be provided as a fluid container, for which purpose the electronics is to be sealed.
  • the housing can simply be provided with a refilling opening, which is provided, for example, with a pin or a screw cap.
  • FIG. 6a shows a schematic plan view (from above) of a third variant of a device for shooting a fluid projectile comprising a realized by a cylinder 710 and a piston 720 fluid container, before use and at full Fluid container.
  • the present embodiment of an ejector 700 is thus constructed similar to a syringe, with a cylinder 710 and a piston 720 movable therein, which is integrally connected to a piston rod 721.
  • the piston rod 721 in turn comprises a rack 722, which is also integrally connected to the piston rod.
  • the cylinder 710 comprises a nozzle 711, through which the fluid, in particular the irritant, can emerge as a fluid projectile.
  • the piston 720 can be moved via a drive motor unit 800 in the cylinder 710.
  • the drive motor unit 800 here comprises a drive motor 801 with a reduction gear 802, with which the drive gear 803 of the drive motor unit 800 can be driven.
  • the drive gear 803 is in the present case in engagement with the rack 722 of the piston rod 721, so that in one revolution of the drive gear 803 counterclockwise, the rack 722 and thus the piston 720 is moved into the cylinder 710 and thus causes expulsion of the fluid.
  • the drive motor unit 800 can preferably be electronically regulated; in particular, preferably the speed can be regulated substantially independently of power, whereby the output speed of the fluid can be determined as a function of the nozzle and cylinder diameters. Furthermore, the device can be controlled such that the ejection takes place during a predetermined, in particular programmed, or period of time determined by the user.
  • FIG. 6b shows a schematic plan view according to FIG. 6a , after use with empty fluid container.
  • the piston 720 is fully retracted into the cylinder 710 in this state. It can be seen that the rack does not extend to the opposite with respect to the piston 720 end of the piston rod 721.
  • the drive gear 803 loses engagement with the rack 722 so that the drive gear 803 is idling. This overload protection for the motor in the final position is achieved in a simple manner.
  • the Figure 7a shows a schematic side view of a third variant of a device 900 for shutting a fluid projectile, in particular an irritant, with a full fluid container 1000.
  • housing level is understood to mean a plane which lies essentially in the mirror plane of the illustrated housing, that is to say in the plane of the page FIGS. 7a and 7b lies. In the FIGS. 7a and 7b In turn, for the sake of clarity, no electrical lines are shown.
  • Variant 900 here comprises a housing 901 in which a fluid container 1000 designed as an insert can be inserted.
  • the housing 901 includes a peristaltic pump 914 fluidly connected to a suction tube 916 and a nozzle tube 917.
  • the nozzle hose 917 opens into the nozzle 911, which in the present case is pivotable about an axis perpendicular to the housing plane (see below).
  • the housing 901 comprises a distance sensor 912, which is arranged below the nozzle 911. The data from the distance sensor 912 is sent to a control unit 915, also located in the housing 901, where it is processed.
  • a battery 920 is arranged, with which the peristaltic pump 914, the distance sensor 912 and the control unit 915 are fed.
  • the housing 901 comprises a trigger 910, whereby the function of the device set in motion, in particular a fluid, preferably an irritant projectile can be fired.
  • the peristaltic pump in the present case is at right angles to the housing plane with a rotation axis of the motor, for reasons of space it can also lie with the axis of rotation within the housing plane.
  • the rotor of the peristaltic pump may be slipped over a gearbox of the engine or over the engine itself, so that the tube section to be squeezed during operation is laid around the engine or the gearbox. This achieves a particularly compact design.
  • the nozzle 911 can be pivoted in a plane parallel to a cross-sectional area of the housing 901.
  • the nozzle 911 is preferably automatically pivotable via a micro-servo, but may also be designed to be pivotable by hand.
  • the nozzle can also be pivoted fixed, so that the parabolic flight is compensated solely by the pump power and the measured distance.
  • the housing 901 comprises a receptacle for the fluid container 1000.
  • the fluid container 1000 comprises a cylinder 1010, which frontally a Luer-lock connector 1011 includes.
  • the counterpart of the luer lock connector is encompassed by the distal end of the aspiration tube 916.
  • the cylinder 1010 can thus be mounted by insertion into the housing 901 and a subsequent rotation, in particular by an angle of 90 °.
  • a piston 1020 is movably mounted within the cylinder 1010.
  • a distance to the target object is determined in a first step via the distance sensor 912. This distance data is sent to the control unit 915 and processed there. Depending on the measured distance, the necessary power for the drive, ie the peristaltic pump, is determined. With the trigger 910 depressed, the peristaltic pump 914 is activated. Thus, a negative pressure acts on the cylinder 1010, whereby the fluid in the cylinder is sucked out of the same. At the same time, the piston 1020 thereby moves in the direction of the closed end of the cylinder 1010. The fluid is ejected through the nozzle 911 through the nozzle 911. In the embodiment with the pivotable nozzle, due to the measured distance, it is now possible to balance between the nozzle elevation and the pumping capacity, i. at a larger launch angle, the performance of the pump can be reduced.
  • the present cylinder comprises an optional, aligned with the Luer lock connector 1011 and inwardly projecting mandrel 1012, on which in connection with the FIG. 7b will be discussed in more detail.
  • FIG. 7b shows a schematic representation according to Figure 7a with empty fluid container 1000 and elevation of the outlet nozzle 911.
  • the piston 1020 here comprises an inner space separated by a membrane 1022 with a cleaning agent 1021.
  • the membrane 1022 is directed towards the mandrel 1012. If the irritant supply is now emptied, then the piston 1020 moves toward the mandrel 1012 so that the mandrel 1012 pierces the membrane 1022.
  • the cleaning agent 1021 is sucked in, with which the lines and the nozzle of the device can be cleaned.
  • other substances may be provided, in particular a marker or the like.
  • a device for shutting off a projectile is provided, the kinetic energy of the projectile being provided Projectile controlled by a distance between the device and a target object, in particular at a small distance can be reduced.
  • This is particularly advantageous in the case of pepper sprays, as it can be used to avoid, for example, eye injuries when used at short distances.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Technology Law (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Toys (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Claims (20)

  1. Dispositif (100) pour tirer un projectile fluide sur un corps cible, comprenant un appareil à main (100) pour tirer le projectile fluide, l'appareil à main (100) comprenant un entraînement (114) pour accélérer le projectile fluide et un dispositif de mesure de distance (112) pour mesurer une distance entre l'appareil à main (100) et le corps cible, le dispositif (100) comprenant en outre un accumulateur d'énergie (120) pour faire fonctionner l'entraînement (114), l'entraînement comprenant une pompe (114) et le dispositif (100) comprenant une unité de commande (115), caractérisé en ce que la pompe (114) peut être commandée en fonction de la distance mesurée.
  2. Dispositif (100) selon la revendication 1, caractérisé en ce que l'appareil à main (100) comprend l'unité de commande (115).
  3. Dispositif (100) selon la revendication 1 ou 2, caractérisé en ce qu'une puissance de l'entraînement (114) peut être commandée en fonction de la distance mesurée.
  4. Dispositif (100) selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un angle de tir du projectile fluide peut être commandé par rapport à l'appareil à main en fonction de la distance mesurée et/ou en fonction de la puissance de l'entraînement.
  5. Dispositif (100) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'entraînement (114) peut être alimenté électriquement et l'accumulateur d'énergie (120) comprend en particulier au moins un accumulateur (120).
  6. Dispositif (100) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la pompe (114) est réalisée sous forme de pompe péristaltique (114).
  7. Dispositif (100) selon les revendications 1 à 6, caractérisé en ce que l'appareil à main comprend un réservoir de fluide qui peut être connecté fluidiquement à la pompe.
  8. Dispositif (100) selon la revendication 7, caractérisé en ce que la pompe peut être connectée au réservoir de fluide par engagement par correspondance de formes par le biais d'une liaison conique par engagement par correspondance de formes.
  9. Dispositif (100) selon la revendication 7 ou 8, caractérisé en ce que la liaison conique comprend en outre une fixation, en particulier un raccord à vis, pour fixer la liaison conique.
  10. Dispositif (100) selon la revendication 9, caractérisé en ce que le réservoir de fluide et la pompe comprennent un raccord Luer-Lock par le biais duquel le réservoir de fluide peut être connecté fluidiquement à la pompe.
  11. Dispositif (100) selon l'une quelconque des revendications 7 à 10, caractérisé en ce que le réservoir de fluide comprend un cylindre avec un piston déplaçable à l'intérieur du cylindre.
  12. Dispositif (100) selon l'une quelconque des revendications 7 à 11, caractérisé en ce que le réservoir de fluide comprend une chambre principale pour un premier fluide et une chambre secondaire pour un deuxième fluide, la chambre principale étant séparée de la chambre secondaire par une membrane.
  13. Dispositif (100) selon la revendication 12, caractérisé en ce qu'il comprend un mandrin, la membrane pouvant être percée lors de la vidange de la chambre principale.
  14. Dispositif (100) selon l'une quelconque des revendications 11 à 13, caractérisé en ce que le piston et le cylindre forment une unité remplaçable.
  15. Dispositif (100) selon l'une quelconque des revendications 1 à 14, caractérisé en ce que le dispositif de mesure de distance (112) comprend un capteur laser (112).
  16. Dispositif (100) selon l'une quelconque des revendications 7 à 15, caractérisé en ce que l'appareil à main (100) peut être déplacé indépendamment du réservoir de fluide (401) pendant le fonctionnement, en particulier peut être orienté vers un corps cible.
  17. Dispositif (100) selon l'une quelconque des revendications 5 ou 16, caractérisé en ce que l'appareil à main (100) peut être déplacé indépendamment de l'accumulateur (120) pendant le fonctionnement, en particulier peut être orienté vers un corps cible.
  18. Dispositif (100) selon l'une quelconque des revendications 1 à 17, caractérisé en ce que l'appareil à main (100) présente un logement pour un insert, l'insert étant réalisé au choix sous forme d'insert de réservoir de fluide ou sous forme d'élément de connexion pour un réservoir de fluide séparé de l'appareil à main (100).
  19. Dispositif (100) selon l'une quelconque des revendications 1 à 18, caractérisé en ce que le projectile fluide est réalisé sous forme de projectile fluide à gaz lacrymogène, en particulier est réalisé sous la forme d'un projectile fluide à gaz lacrymogène enrichi en substances sensibles aux UV.
  20. Procédé pour faire fonctionner un dispositif (100) pour tirer un projectile fluide sur un corps cible, comprenant un appareil à main (100) pour tirer un projectile fluide, ainsi qu'un entraînement (114) pour accélérer le projectile fluide et un dispositif de mesure de distance (112) pour mesurer une distance entre l'appareil à main (100) et le corps cible, le dispositif (100) comprenant en outre un accumulateur d'énergie (120) pour faire fonctionner l'entraînement (114), l'entraînement (114) comprenant une pompe (114) et une unité de commande (115), caractérisé en ce que la pompe (114) est commandée en fonction de la distance mesurée.
EP17210302.0A 2016-12-22 2017-12-22 Appareil d'ejection de liquide Active EP3339795B1 (fr)

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CH01709/16A CH713274A2 (de) 2016-12-22 2016-12-22 Vorrichtung zum Verschiessen eines Projektils.

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EP3339795A3 EP3339795A3 (fr) 2018-07-04
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US (2) US11009312B2 (fr)
EP (2) EP3559588B1 (fr)
CN (2) CN110325812B (fr)
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WO (1) WO2018115481A1 (fr)

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Also Published As

Publication number Publication date
CH713274A2 (de) 2018-06-29
CN108225097B (zh) 2024-02-13
WO2018115481A1 (fr) 2018-06-28
CN108225097A (zh) 2018-06-29
EP3559588A1 (fr) 2019-10-30
CN110325812B (zh) 2022-04-08
US20180216909A1 (en) 2018-08-02
EP3559588B1 (fr) 2021-06-16
US10775128B2 (en) 2020-09-15
EP3339795A3 (fr) 2018-07-04
EP3339795A2 (fr) 2018-06-27
CN110325812A (zh) 2019-10-11
US20190316869A1 (en) 2019-10-17
US11009312B2 (en) 2021-05-18

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