阅读说明：本技术 具有压力产生单元的压力清洁设备 (Pressure cleaning equipment with pressure generating unit ) 是由 T·L·鲁特考伊 A·哈里森 M·泽尔迪 于 2018-04-12 设计创作，主要内容包括：一种压力清洁设备(100)用于对流体进行压力加载、尤其用于经由软管附件(150)、优选经由手枪或经由清洁喷射器输出经压力加载的流体,具有压力产生单元(120),其中,设有操作单元(118),该操作单元构造用于调设压力产生单元(120)的最大运行压力,在该最大运行压力的情况下压力产生单元(120)被停用。(A kind of pressure cleaning equipment (100) is used to carry out fluid pressure-loaded, particularly for exporting the fluid through pressure-loaded via hose fitting (150), preferably via pistol or via cleaning injector, with pressure generating unit (120), wherein, equipped with operating unit (118), the operating unit is configured to adjust the maximum operating pressure for setting pressure generating unit (120), and pressure generating unit (120) is deactivated in the case where the maximum operating pressure.)

1. a kind of pressure cleaning equipment (100) has pressure generating unit (120), for carrying out pressure-loaded to fluid, especially For via hose fitting (150), preferably via pistol or via cleaning injector export the fluid through pressure-loaded, feature It is, is equipped with operating unit (118), which is configured to adjust the maximum operating pressure for setting pressure generating unit (120) (Pmax), pressure generating unit (120) is deactivated in the case where the maximum operating pressure.

2. pressure cleaning equipment according to claim 1, which is characterized in that the operating unit (118) is configured to make At least one the driving parameter being adjustable for setting pressure generating unit (120) can additionally be adjusted by obtaining.

3. pressure cleaning equipment according to claim 1 or 2, which is characterized in that the operating unit (118) is configured to Tune sets the minimum operating pressure (Pmin) of pressure generating unit (120), and pressure generates single in the case where the minimum operating pressure First (120) are activated.

4. pressure cleaning equipment according to any one of the preceding claims, which is characterized in that be equipped with control equipment (240), the control equipment be configured to based on correspondingly adjust the maximum operating pressure set and/or minimum operating pressure (Pmax, Pmin it) controlled especially in accordance with the driving parameter set is adjusted, preferably connect and/or turn off pressure generating unit (120).

5. pressure cleaning equipment according to claim 4, which is characterized in that the control equipment (240) is by deactivating institute Pressure generating unit (120) is stated to prevent more than corresponding maximum operating pressure (Pmax) and/or lower than corresponding minimum fortune Row pressure (Pmin) or lower than at least activating pressure generating unit (120) in the case where cut-in pressure (Pein).

6. pressure cleaning equipment according to any one of the preceding claims, which is characterized in that pressure generating unit (120) With electric motor (310), wherein at least one described driving parameter being adjustable is the revolving speed of the electric motor (310).

7. pressure cleaning equipment according to claim 6, which is characterized in that the pressure generating unit (120) is equipped with control Control equipment (240), the control equipment are configured to control the revolving speed of the electric motor (310).

8. pressure cleaning equipment according to any one of the preceding claims, which is characterized in that the pressure generating unit (120) have and pump and be disposed at the pump discharge (214) of the pump (210) measuring unit (220) for seeking pressure generation The correspondingly current operating pressure of unit (120).

9. pressure cleaning equipment according to claim 8, which is characterized in that the measuring unit (220) is by preferred electricity Pressure sensor and/or type structure by flow sensor.

10. pressure cleaning equipment according to any one of the preceding claims, which is characterized in that least for pressure generation The electric current of unit (120) is supplied and is equipped with battery group (320).

11. pressure cleaning equipment according to any one of the preceding claims, which is characterized in that the pressure cleaning equipment By the type structure of low pressure cleaning equipment, wherein the pressure generating unit (120) is configured to manufacture and is less than 25bar, excellent Choosing is less than the maximum operating pressure of 20bar and particularly preferably less than 15bar, wherein the low pressure cleaning equipment can be in no spray Mouth spacer element, especially without jet pipe in the case where run.

12. pressure cleaning equipment according to any one of the preceding claims, which is characterized in that maximum operating pressure and/ Or minimum operating pressure (Pmax, Pmin) can set according to current operating pressures to adjust, wherein the maximum operating pressure and/or most Small operating pressure (Pmax, Pmin) is bigger than the operating pressure currently sought or small predetermined percentage or predetermined absolute pressure Power.

13. according to claim 1, in particular according to pressure cleaning equipment described in any one of claims 1 to 10, the pressure is clear Clean equipment has pistol (150), which is characterized in that in order to export by the fluid of pressure generating unit (120) pressure-loaded, the hand The choosing that there are rifle (150) at least two different nozzles (162,164,168) to be used at least two different fluid jet types The output of selecting property.

14. pressure cleaning equipment according to claim 13, which is characterized in that control equipment (240) is configured to basis By the pressure history (510) of pressure sensor (220) sensing of preferred electricity and/or according to operating pressure change curve And/or hose fitting used (150) or fluid jet used are identified according to present flow rate or according to flow changing curve Type.

15. pressure cleaning equipment according to claim 14, which is characterized in that can adjust and be set to automatically by striked Pressure history (510) and/or flow changing curve come seek maximum operating pressure and/or minimum operating pressure (Pmax, Pmin)。

Technical field

The present invention relates to a kind of pressure cleaning equipment, have pressure generating unit, are used for fluid progress pressure-loaded, especially It is used for via hose fitting, preferably via pistol or via fluid of the cleaning injector output through pressure-loaded.

Background technique

It is known from the state of the art this kind of pressure cleaning equipment, there is pressure generating unit, is added for carrying out pressure to fluid It carries.Fluid through pressure-loaded is especially arranged for exporting via hose fitting herein.Here, hose fitting be configured to pistol or Clean injector.Here, the maximum operating pressure of pressure cleaning equipment --- pressure produces in the case where the maximum operating pressure Raw unit is deactivated --- and it is set by presetting and cannot be adapted to and/or cannot be set using specifically adjusting.

Summary of the invention

The present invention provides a kind of novel pressure cleaning equipment, has pressure generating unit, adds for carrying out pressure to fluid Carry, particularly for via hose fitting, preferably via pistol or via cleaning injector export the fluid through pressure-loaded.It is equipped with Operating unit is configured to make it possible to adjust the maximum operating pressure for setting pressure generating unit, in the feelings of the maximum operating pressure Pressure generating unit is deactivated under condition.

Thus the invention enables be able to achieve a kind of pressure cleaning equipment, wherein being set by the tune of maximum operating pressure can make Effective and reliable operation must be able to achieve.Here, especially may make can be set to that adapt to can using specifically adjusting set to adjust in other words It adjusts the maximum operating pressure for the operating pressure being set to and thereby energy-efficient pressure cleaning equipment is provided.

Operating unit is preferably configured for making it possible to additionally adjusting at least one the adjustable drive for setting pressure generating unit Dynamic parameter.It thus can simply make it possible to adjust and set other driving parameter.

It is preferred that operating unit is configured to adjust the minimum operating pressure for setting pressure generating unit, in the minimum operating pressure In the case where pressure generating unit be activated.It thus can make it possible to adjust to be set to simplely and uncomplicated to adapt to the adjustable fortune being set to The minimum operating pressure of row pressure, to can provide the pressure cleaning equipment of high energy efficiency.

According to one embodiment be equipped with control equipment, control equipment be configured to based on accordingly adjust set maximum and/ Or minimum operating pressure controls in particular according to the driving parameter set is adjusted, preferably connects and/or turn off pressure generating unit.Cause And it can simply to can control pressure cleaning equipment.

Control equipment is preferably prevented by deactivating pressure generating unit more than corresponding maximum operating pressure and/or low In corresponding minimum operating pressure or at least activation pressure generates unit when being lower than cut-in pressure.It thus may make and be able to achieve pressure The safe and reliable operation of cleaning equipment.

Pressure generating unit preferably has electric motor, wherein at least one described adjustable driving parameter is the electricity The revolving speed of dynamic motor.Thus it can make it possible to suitably adjust pressure cleaning equipment simplely and uncomplicated.

According to one embodiment, equipped with control equipment, which is configured to control electronic pressure generating unit The revolving speed of motor.Thus may make can control and/or adjust the hope revolving speed for setting electric motor.

It pumps and is disposed at the pump discharge of pump for seeking pressure generating unit it is preferred that pressure generating unit has The correspondingly measuring unit of current operating pressure.Thus it can make it possible to seek current operating pressure simplely and uncomplicated.

It is preferred that the measuring unit is by the pressure sensor of preferred electricity and/or the type structure by flow sensor.Thus It can provide steady and stable measuring unit.

It is preferred that the electric current least for pressure generating unit is supplied and is equipped with battery group.It thus can be simple and uncomplicated Ground makes it possible to realize the electric current supply of pressure generating unit in the case where the mobile application of pressure cleaning equipment.

According to a kind of embodiment, pressure cleaning equipment presses the type structure of low pressure cleaning equipment, wherein the pressure produces Raw unit is configured to the maximum operation pressure that manufacture is less than 25bar, preferably smaller than 20bar and particularly preferably less than 15bar Power, and wherein, low pressure cleaning equipment is run in the case where can be in no injector spacing element, especially without jet pipe.It therefore, can be with Simple mode provides following pressure cleaning equipment, and the pressure cleaning equipment can be used for slight to moderate dirt Dye carries out clean application.

It is preferred that maximum and/or minimum operating pressure can be set according to current operating pressures tune, wherein maximum and/or minimum fortune The operating pressure that row pressure ratio is currently sought is big or small predetermined percentage or predetermined absolute pressure.It thus can be simply Make it possible to realize the automatic operating of pressure cleaning equipment according to the maximum and/or minimum operating pressure correspondingly currently sought.

In addition, the present invention provides a kind of the pressure cleaning equipment with pistol, especially aforementioned pressure cleaning equipment, In, in order to export by the fluid of pressure generating unit pressure-loaded, pistol preferably have at least two different nozzles for will At least two different fluid jet types selectively export.It thus can be simplely and uncomplicated in the fortune of pressure cleaning equipment It adjusts and is set to using specific fluid jet type in row.

The control equipment of pressure cleaning equipment is preferably configured for the pressure according to the pressure sensor sensing by preferred electricity Hose fitting used in power change curve and/or operating pressure change curve and/or present flow rate or flow changing curve identification Or fluid jet type used.Thus may make can make in this operation simply with uncomplicated ground operating pressure cleaning equipment Obtain hose fitting used in energy automatic identification.

It is preferred that it is adjustable be set to automatically by striked pressure operation curve and/or flow changing curve seek it is maximum and/ Or minimum operating pressure.It thus can simply make it possible to adjust and set maximum and/or minimum operating pressure.

Detailed description of the invention

Referring to the embodiment being shown in the accompanying drawings, the present invention is furture elucidated in the following description.Attached drawing is shown:

The perspective view of the pressure cleaning equipment with hose fitting of Fig. 1 according to one embodiment,

The front view of the hose fitting of Fig. 2 Fig. 1,

Fig. 3 is associated with the perspective view of the pressure generating unit of the pressure cleaning equipment of Fig. 1,

The schematic diagram of the pressure cleaning equipment of Fig. 4 Fig. 1 and Fig. 3,

The schematic diagram according to another embodiment of the pressure cleaning equipment of Fig. 5 Fig. 1 and Fig. 3,

The curve graph of the simplification of the illustrative operating pressure change curve of Fig. 6,

The illustrative operational mode of Fig. 7-operating pressure table,

Fig. 8 according to illustrative operational mode-operating pressure table of different fluid jet types,

The illustrative operating pressure change curve of Fig. 9 nozzle for identification has operational mode switching,

Figure 10 illustrative operating pressure change curve that nozzle switches for identification, and

Figure 11 illustrative operating pressure change curve that nozzle switches for identification, has minimum and maximum operating pressure Adaptation and volume flow change curve.

Specific embodiment

Fig. 1 shows the cleaning equipment 100 with shell 110 for being illustratively configured to pressure cleaning equipment.In shell 110 In, pressure generating unit 120 is preferably arranged with for carrying out pressure-loaded to fluid.

According to one embodiment, pressure cleaning equipment 100 is according to the type structure of low pressure cleaning equipment, wherein pressure It generates unit 120 and is configured to the maximum fortune that manufacture is less than 25bar, preferably smaller than 20bar and particularly preferably less than 15bar Row pressure.Low pressure cleaning equipment is run in the case where preferably can be in no nozzle spacer element, especially without jet pipe.But alternately or additionally In this, pressure cleaning equipment 100 is also it is so structured that high-pressure cleaning appliance.

This kind of preferred multi-functional pressure cleaning equipment 100 can appoint in various fields, especially in the light cleaning into Applied in business, for example, for such as vehicle, for example automobile, bicycle, especially mountain bike article cleaning, and/or be used for The cleaning of toy, especially toy for children, and/or for the cleaning of clothing, such as boots, especially rubber boots, and/or it is used for work Make utensil, especially gardening utensil, the cleaning such as scoop, spade, and/or for pet, such as horse, dog or similar pet Cleaning.In addition, pressure cleaning equipment 100 can also be applied in garden, such as answered for irrigating plant and/or in camping With, such as apply as moving shower.Point out: illustrated application feasibility only has illustrative feature and should not regard For limitation of the present invention, therefore pressure cleaning equipment 100 can also be used in any other application.

Preferably, pressure generating unit 120 has unshowned motor.The motor be preferably configured as internal combustion engine and/or Electric motor.In order to which battery group can be set and/or for electricity in the unrelated electric current supply of power grid in the case where electric motor Netting relevant electric current supply can be set cable connection.The motor is preferably configured as being associated with the electric motor of battery group.

In addition, pressure cleaning equipment 100 is preferably that two wheels 114 are used for arbitrary at least one, in figure Travelling forward on ground.Wheel 114 is preferably designed such that, so that can be on soil, for example in garden middle motion.In This, wheel 114 can be realized reliable setting by preferably stable configuration and thereby realize reliable operation.For pressure cleaning The save grip of equipment 100, shell 110 are preferably associated at least one handle 112.Preferably, handle 112 is telescopic. Alternatively, pressure cleaning equipment 100 have at least one handle, the handle be configured to by handbag and/ Or the type of knapsack carries pressure cleaning equipment 100.

In addition, pressure cleaning equipment 100 preferably has at least one fluid tank 116.Fluid tank 116 is according to an embodiment party Formula is fixedly connected with shell 110.However, fluid tank 116 can be constructed according to another embodiment from shell 110 with taking away, so that The fluid tank is for example in order to fill and/or in order to which the cleaning of shell 110 can be taken away.Fluid tank 116 preferably has 15 liters Capacity.However, the configuration of the fluid tank 116 with 15 liters of capacity is not construed as limitation of the present invention.Therefore, fluid tank 116 capacity might be less that or be greater than 15 liters.

Alternatively, pressure cleaning equipment 100 can also be via external source of fluid, such as via lake, streams, water The corresponding fluid of the conveyings such as faucet.For this purpose, pressure is clear it is preferred that being disposed with joint component, such as connection adapter on shell 110 Clean equipment 100 can be connect via the connection adapter with external source of fluid to receive fluid.In addition, alternatively, Another fluid tank and/or another joint component can be set for cleaning fluid, such as detergent.

Pressure cleaning equipment 100 preferably has operating unit 118, and the operating unit has at least one on/off operation Element 119, the on/off operation element are configured to activate and/or deactivate clear for connecting and/or turning off pressure in other words Clean equipment 100.In addition, operating unit 118 be also configured as to selectable operational mode, operating pressure, motor rotary speed and/ Or any other parameter, especially driving parameter adjust and are set.For this purpose, operating unit 118 preferably has input unit 117, it is optional Operational mode, operating pressure, motor rotary speed and/or any other parameter selected, especially driving parameter are by the input unit It is adjustable to set.This input unit 117 is preferably constructed by the type for setting wheel, keyboard and/or touch element is adjusted.It alternatively or can Selection of land, operating unit 118 can also be associated with the indicating equipment being integrated into shell 110.In addition, alternatively, behaviour Make unit 118 also it is so structured that peripheral hardware, wherein for example can be via smart phone, flat to the operation of pressure cleaning equipment 100 Plate computer or similar equipment carry out.

In addition, for adjustable output of the fluid through pressure-loaded, pressure cleaning equipment 100 preferably can be via hose 140 connect with hose fitting 150.Here, hose 140 adapts to the operating pressure of the maximum feasible of pressure cleaning equipment 100.In This, hose 140 can preferably be constructed by the type of the high-pressure hose for high-pressure cleaning appliance and/or preferably by for low pressure The types of the low-pressure hose of cleaning equipment, such as garden hoses constructs.Here, hose 140 can be manually on shell 110 Winding can be preferably wound via automatic winding machine.In addition, hose 140 can also be according to the type of corrugated hose come structure It makes.Here, the end towards pressure cleaning equipment 100 of hose 140 can be fixedly connected with pressure cleaning equipment 100 or can It is releasably arranged in pressure cleaning equipment 100.In the example shown, hose 140 is removably disposed at pressure cleaning equipment 100 On coupling element 124.In addition, hose fitting 150 can be similarly fixedly connected with hose 140 or preferably detachably It is connect via male part 154 with this hose.

According to one embodiment, hose fitting 150 has shell 152, sets at least two different fluid jet streams for adjusting The equipment 160 of type and/or for activate fluid export operating element 153.It is preferred that hose fitting 150 presses the type of pistol Construction, wherein construct to 152 pistol-shaped of shell.However point out: hose fitting 150 is only had by the configuration of the type of pistol to be shown Example property feature and be not construed as limitation of the present invention.Therefore, hose fitting 150 also can have tubular shell 152 And/or it is configured to cleaning injector.Point out: this kind of cleaning injector is preferably directly in the hose for being preferably configured as garden hoses It is applied on 140.Here, not needing forcibly pressure generating equipment 100 for convection current in the application with cleaning injector Body carries out pressure-loaded.

Equipment 160 is preferably configured as exporting the fluid preferably by 120 pressure-loaded of pressure generating unit.Here, setting Standby 160 are configured to adjust and set at least two different fluid jet types, wherein equipment 160 preferably has or correspondingly structure At nozzle head and/or nozzle selection head.Here, equipment 160 at least one nozzle, preferably and especially have at least two Different nozzle (162,164,168 in Fig. 2), for selectively exporting at least two different fluid jet types.It is excellent Selection of land, equipment 160 are especially configured at least two different nozzles (162,164,168 in Fig. 2), wherein at least two are not Each nozzle in same nozzle (162,164,168 in Fig. 2) is associated at least two different one of fluid jet types. Different fluid jet types is preferably configured as fan spray, point jet stream and/or convergent cone spray.However, can also apply other Fluid jet type, such as the fluid jet for flowing freely jet stream, not adjusting substantially, are penetrated by flushing jet stream or by rainwater The type of stream leaves hose fitting 150 with relatively small pressure, and/or, composite fluid jet type preferably can be by extremely Few two fluid jet types composition, i.e. the sprinkling jet stream of such as radial direction outer and the point jet stream including radial direction.

The tune of selected fluid jet type is set and is preferably turned round by the rotation of nozzle head in other words of equipment 160, especially Turn to realize.Preferably the arrangement of nozzles for being associated with selected fluid jet type is open (in Fig. 2 in fluid outlet herein 170) thus place carries out the fluid load of selected nozzle.In addition it is also possible to construct a nozzle for construct at least two Different fluid jet type, wherein the nozzle is for example configured to shock plate and at least two different fluid jets The tune of type, which is set, to be set by adjusting the spacing for setting shock plate to fluid outlet adjust.This kind of nozzle is preferably sprayed in above-mentioned cleaning It is applied in device.

Fig. 2 shows the hose fittings 150 for the Fig. 1 for being preferably configured as pistol, and the hose fitting is in the following for explanation Simplify and is referred to as pistol 150.Here, Fig. 2 shows the equipment 160 for being preferably configured as nozzle head to set different fluid jets for adjusting Type.In addition, Fig. 2 shows the fluid outlet 170 of pistol 150, the fluid outlet be preferably placed in 12 points of nozzle head 160- At position.However point out: fluid outlet 170 can also be arranged at any other position of nozzle head 160.

In addition, Fig. 2 shows the nozzle heads with preferably at least two, in the example shown four nozzles 162,164,166,168 160.Here, nozzle 162 is preferably configured as constructing convergent cone spray, nozzle 164 is configured to construction sprinkling jet stream, nozzle 166, which are configured to construction, flows freely jet stream, namely for example rinses jet stream, and nozzle 168 is configured to construction fan Shape jet stream.However point out: nozzle can be used for constructing other fluid jet type.Furthermore, it is indicated that: nozzle head 160 The configuration of nozzle 162,164,166,168 only has illustrative feature and is not construed as to the present invention there are four having in diagram Limitation.Therefore, nozzle head 160 also can have fewer of more than four nozzles 162,164,166,168.Furthermore it is preferred that The arrangement of four nozzles 162,164,166,168 is equally exemplary and is not construed as limitation of the present invention.Therefore, institute Any other sequence or arrangement cloth can also be pressed in the circumferential direction of nozzle head 160 by stating nozzle 162,164,166,168 It sets.

Turned as described above by nozzle head 160 relative to pistol 150 it is preferred that being set to the tune of desired fluid jet type Dynamic, especially torsion is to realize.However, it is indicated that: tune sets and can also be realized by any other movement, such as by by nozzle 162, The nozzle correspondingly selected in 164,166,168 is along straight line and/or the radially movable reality of coming to fluid outlet 170 It is existing.

Fig. 3, which shows the pressure cleaning equipment 100 of Fig. 1 and is shown here preferably, has motor 310 and pump 210 and control The pressure generating unit 120 of equipment 240.It is preferred that motor 310 is configured to electric motor, wherein preferably, pressure generating unit 120 electric current supply without electric wire is realized via battery group 320.However, as described above, pressure generating unit 120 can also be with With the relevant electric current supply of power grid.

Pump 210 preferably has pump intake 212 and pump discharge 214, and fluid transport is extremely pumped 210 via the pump intake, Fluid through pressure-loaded leaves pump 210 via the pump discharge.Here, pump discharge 214 is connect with coupling element 124.In addition, It is preferred that arranging at least one and a preferably measuring unit 220 at least for seeking pressure generating unit at pump discharge 214 120 correspondingly current operating pressure.Measuring unit 220 is arranged in the example shown at pump discharge 214, however can also be arranged In hose 140 and/or in pistol 150.Here, being carried out in the case where measuring unit 220 is arranged in pistol 150 wired Connection and/or radio connection are used for the communication with control equipment 240.

It is preferred that the type of at least one measuring unit 220 pressing force snesor, the particularly preferred pressure sensor by electricity It type, and/or is constructed by the type of flow sensor.Here, electricity pressure sensor be provided for seeking correspondingly when Preceding operating pressure and/or flow sensor is provided for seeking correspondingly current flow or seeks correspondingly current body Product flow.Here, control equipment 240 is configured to be particularly based on and correspondingly adjusts the operational mode set according to acquiring correspondingly Current operating pressure and/or the correspondingly current volume flow acquired in other words according to the correspondingly current flow acquired Pressure generating unit 120 is controlled.Here, measuring unit 220 is configured to the electrical measurement of operating pressure and/or flow Amount.According to the present invention, it is excluded by the pressure measurement that spring-loaded pressure regulator valve carries out.Furthermore, it is indicated that: according to the present invention, Pressure cleaning equipment 100 without branch constructs.

According to one embodiment, pressure generating unit 120 can be run at least two different operational modes.Herein Preferably, operational mode is set by operating unit 118, particularly by the tune of input unit 117 of the pressure cleaning equipment 100 of Fig. 1. Preferably, operating unit 118 is configured to can be realized and set to the tune of at least two different operational modes.Here, operation The warp that mode can be structured as being associated with for example different operating pressures adjusts the mode set in advance, for example, having ow operating pressure Soft mode, the middle isotype with medium operating pressure and/or the turbo Mode with high operating pressure.In addition, substitution Ground or optionally, operating unit 118, which is configured to adjust, sets desired operating pressure.Here, operating pressure tune, which is set, can be considered fortune Row mode.Furthermore, it is possible to be arranged preferably it is so structured that the substitution of automatic mode or optional operational mode, wherein operation Pressure tune is set preferably can automatically carry out according to correspondingly used and detectable hose fitting 150.

Preferably, operating unit 118 is configured to can be realized the maximum operating pressure to pressure generating unit 120 The tune of (Pmax in Fig. 6) is set, and/or is set to the tune of the minimum operating pressure (Pmin in Fig. 6) of pressure generating unit 120, And/or the additional tune of at least one adjustable driving parameter of pressure generating unit 120 is set, in the maximum operating pressure In the case where pressure generating unit 120 be deactivated, pressure generating unit (120) is swashed in the case where the minimum operating pressure It is living.Control equipment 240 is preferably configured as based on correspondingly adjusting the maximum operating pressure set and/or minimum operating pressure (In Pmax in Fig. 6, Pmin) in particular according to correspondingly adjusting the driving parameter set to be controlled pressure generating unit 120, preferably carried out It connects and/or turns off.Herein preferably, at least one adjustable driving parameter is the revolving speed of electric motor 310.Here, control Control equipment 240 is preferably configured as controlling for the revolving speed to motor 310.

According to one embodiment, each operational mode at least two different operational modes is associated with individually respectively Maximum operating pressure (Pmax in Fig. 6) and/or corresponding operational mode be associated with the predetermined revolving speed of motor 310.In This, control equipment 240 is preferably configured as controlling motor 310.In addition, alternatively, controlling equipment 240 It is configured to prevent to be more than corresponding individually maximum operating pressure (Pmax in Fig. 6).Further preferably, at least two are not Each operational mode in same operational mode is associated with individually minimum operating pressure (Pmin in Fig. 6) respectively and/or connects Logical pressure (Pein in Figure 10).Herein preferably, control equipment 240 is configured to prevent lower than corresponding individually minimum fortune Row pressure (Pmin in Fig. 6) at least activates motor 310 in the case where being lower than cut-in pressure (Pein in Figure 10).It is preferred that Ground, control equipment 240 prevent from being more than corresponding individually maximum operating pressure (in Fig. 6 by deactivating pressure generating unit 120 Pmax) and/or it is being lower than corresponding individually minimum operating pressure (Pmin in Fig. 6) or lower than cut-in pressure (in Figure 10 Pein at least activation pressure generates unit 120 in the case where).

Alternatively, control equipment 240 is configured to according to correspondingly current operating pressure and/or operation Pressure history and/or present flow rate or flow changing curve are to maximum operating pressure and/or minimum operating pressure (in Figure 11 Middle Pmax, Pmin) carry out adjust set.According to one embodiment, maximum operating pressure and/or minimum operating pressure (Pmax, Pmin the operating pressure) than currently acquiring is big or small, big or small amount be predetermined percentage or predetermined exhausted To pressure.It is preferred that maximum operating pressure and/or minimum operating pressure (Pmax, Pmin) it is bigger than the operating pressure currently acquired or Small 3bar.Point out: maximum operating pressure and/or minimum operating pressure (Pmax, Pmin) can be than the operating pressures that currently acquire It is more more or lessly than 3bar big or small.

Alternatively, control equipment 240 be configured to according to correspondingly current operating pressure and/or according to Operating pressure change curve and/or according to present flow rate or flow changing curve to used hose fitting 150 or to being made Fluid jet type is identified.Here, control equipment 240 is preferably configured as storing and/or exporting about current Used hose fitting 150 or at least one information about used fluid jet type.Here, output for example can be with In mobile terminal utensil, for example on smart phone and/or tablet computer, or carry out in other man-machine interfaces.Here, this kind of Output preferably exports corresponding information from tactile and/or acoustically.In addition, the information may be " status monitoring " (Condition-Monitoring) it is stored and/or is exported.

In addition, described at least two different fluid jet types are associated with individually respectively and correspondingly adjust the fortune set The relevant maximum operating pressure of row mode.Here, control equipment 240 is preferably configured as according to the pressure sensing by preferred electricity The pressure history (510 in Fig. 6) of 220 sensings knows the current fluid jet type or nozzle position state of pistol 150 Not.Herein preferably, it can adjust to be set to and seek maximum and/or minimum automatically by the pressure history (510 in Fig. 6) acquired And/or connection-operating pressure (Pmax, Pmin, Pein in Fig. 6).

In addition, control equipment 240 is alternatively configured to according to current operating pressures and/or according to pressure Change curve and/or according to present flow rate or flow changing curve or volume flow variation derive pressure cleaning equipment 100 State and/or to pressure cleaning equipment 100 implement status monitoring.Here, status monitoring may include the calcification journey of such as nozzle The identification of degree.This can preferably be identified according to the sudden drop in the closing process of nozzle or fluid outlet.It replaces For ground or optionally, status monitoring for example also may include for example being let out based on excessively high pressure or the identification of too low volume flow Dew.Warning can be exported in the case where identifying calcification degree and/or leakage.In addition, this kind of miscue may collect in note In record, and/or, the prompt of the maintenance for such as hose or similar device, cleaning process and/or replacement can be exported.

Alternatively, control equipment 240 is configured in the feelings for predetermined dry operating-operating pressure occur Pressure generating unit 120 is deactivated under condition, the dry operating-operating pressure especially indicates empty container 116 and/or in hose Bending in 140 and/or in fluid input hose.

In addition, the control equipment 240 be alternatively configured to do not manipulate hose fitting 150 and/or Pressure cleaning equipment 100 is turned off after predetermined period in the case where not less than cut-in pressure (Pein in Figure 10).It is excellent Choosing, is turned off after 10 minutes durations.However, it is indicated that: 10 minutes durations only have illustrative feature and not It should be regarded as limitation of the present invention.Therefore, it can be turned off after the duration less than 10 minutes or more than 10 minutes.This Outside, also it is possible that: via operating unit 118 tune set the duration.

Fig. 4 shows the pressure cleaning equipment 100 of Fig. 1 and Fig. 3 and shows preferred structure.Here, Fig. 4 also shows that control Equipment 240, measurement list of the control equipment preferably with the pressure sensor 220 for being arranged at pump discharge 214 and being configured to electricity Member is connected and is connect with the motor 310 for being preferably configured as electric motor.In addition, controlling equipment 240 and being preferably configured as electric power storage The current supply device of pond group 320 connects.Here, battery group 320 is set at least to for pressure generating unit 120, voltage The electric current supply of force snesor 220 and control equipment 240.Here, battery group 320 is preferably configured as providing the fortune of 18V Row voltage and it is preferably configured as lithium-ions battery group, wherein preferably, can be realized in soft mode at least 70 minutes Operation, can be realized operation in 30 minutes in middle isotype and/or can be realized operation in 15 minutes in turbo Mode. Herein preferably, the charging process of battery group 320 can be completed in 100 minutes.

In addition, control equipment 240 is preferably connect with operating unit 118, wherein operating unit 118 is at least associated with input Unit 117 sets operational mode, revolving speed, operating pressure etc. for adjusting, and is associated with ON/OFF-operating element 119.It is preferred that operation Unit 118 is also associated with indicating unit 332, the indicating unit for example can indicate that correspondingly adjust the operational mode set and/ Or battery group state.

Fig. 5 shows the pressure cleaning equipment 100 of Fig. 1 and Fig. 3 or Fig. 4, with additional insurance circuit 418, the guarantor Dangerous circuit is preferably configured as there is mistake or in the case where detect vicious signal, by being associated with control equipment 240 microcontroller 416 controls pump 210 or motor 310 in this wise, allows at least substantially exclude to pressure cleaning equipment 100 damage or destruction or the danger of corresponding user.Schematically, the microcontroller of insurance circuit 418 and control equipment 240 Device 416 is arranged in parallel.Therefore, the reliability service that can be realized pressure cleaning equipment 100 makes it possible to reliably and safely prevent It is only more than maximum operating pressure.It is preferred that control equipment 240 and its microcontroller 416 are arranged on a circuit board.

Fig. 6 shows the illustrative operating pressure change curve 510 of the pressure cleaning equipment 100 of Fig. 1 and Fig. 3 to Fig. 5 Curve graph 500 that is common and simplifying.Herein illustratively, time t is drawn on abscissa 502 and operating pressure P with the second It is drawn on ordinate 504 as unit of bar.Preferably, the construction of operating pressure change curve 510 time point T0 and T1 it Between section 511 show starting pressure establish, starting pressure establish in, operating pressure is preferably established from 0 in the example shown To maximum operating pressure Pmax.When reaching maximum operating pressure Pmax, pressure generating unit 120 is turned off and correspondingly adjusts If nozzle 162,164,168 can by manipulate pistol 150 operating element 153 be turned on for activating fluid to export.In This illustratively, operating pressure P is dropping to minimum operating pressure between time point T1 and T2 in other words in section 512 Pmin.When reaching this minimum operating pressure Pmin, preferably pressure generating unit 120 is activated, so that pressure generating unit Operating pressure is established again to adjusting the operating pressure P set.Here, section 513 of the construction between time point T2 and T3 shows It arrives out and the corresponding pressure of the operating pressure P set is adjusted to establish.If reaching the operating pressure p for adjusting and setting, such as in section 514 Illustrated in, keep this operating pressure.The nozzle 162,164,168 set will be correspondingly adjusted to close in time point T4 Fluid end of output in other words, so that operating pressure P is increased due to the pressure generating unit 120 that is still activated.

In the example shown and illustratively, each section 511-515 of operating pressure change curve 510 is linearly constructed, so And this is not construed as limitation of the present invention.Therefore, section 511-515 also can have any other tendency, such as operation pressure The exponential form of power increases and/or decline.

According to one embodiment, operating pressure P can pass through the operation of the pressure cleaning equipment 100 of Fig. 1 and Fig. 3 to Fig. 5 The tune of unit 118 is set, wherein operating pressure P is associated with preferably predetermined maximum operating pressure and/or minimum operating pressure respectively Pmax, Pmin.It is usually arranged as preventing being more than maximum operating pressure Pmax, wherein control equipment 240 is preferably configured as preventing It is only more than corresponding individually maximum operating pressure Pmax.Herein preferably, control equipment 240 is by deactivating pressure generating unit 120 prevent from being more than corresponding individually maximum operating pressure Pmax.In contrast, lower than corresponding individually minimum operation pressure Preferred pressure generating unit 120 is activated in the case where power Pmin.

It is preferred that maximum operating pressure and/or minimum operating pressure Pmax, Pmin it is bigger than the adjustable operating pressure P being set to or Small predetermined percentage or predetermined absolute pressure.Here, the absolute pressure is preferably 3bar, that is to say, that maximum Operating pressure Pmax is preferably than adjusting the operating pressure P set 3bar big, and minimum operating pressure Pmin is preferably than adjusting the fortune set The small 3bar of row pressure P.In addition, illustratively for example can also abrasion and/or in the case where leakage by predetermined percentage Than or predetermined absolute pressure be adapted to.These values should be desirable to select, to save energy.However, these values are not answered Select mutually too close, because being otherwise likely to form many replenishment control sections.Equally, described value should not be too far apart, because This can improve required energy consumption again.In addition, maximum operating pressure and/or minimum operating pressure Pmax, Pmin can also lead to The input unit 117 for crossing operating unit 118 is set by manual tune.

In addition, present invention illustrates a kind of method for operating pressure cleaning equipment 100, pressure cleaning equipment for pair Fluid carries out pressure-loaded and is used to export via hose fitting 150, preferably via pistol or via cleaning injector through pressing Power load fluid and have pressure generating unit 120.Pressure cleaning equipment 100 preferably can be at least two different operation moulds It is run in formula.Here, being passed by the pressure sensor 220 of preferred electricity to correspondingly current operating pressure P and/or by flow Sensor is to correspondingly current flow or volume flowIt is sought.Pressure cleaning equipment 100 is particularly based on correspondingly to adjust and set Operational mode (710 in Fig. 7) it is correspondingly current according to the correspondingly current operating pressure that acquires and/or according to what is acquired Flow controlled device 240 control.

Set an operational mode in addition it is also possible to directly adjust, wherein the operational mode be associated with set by automatic tune it is corresponding Operating pressure.In addition, operating pressure P can also be associated with the revolving speed that can be set by input unit 117 by tune.

Fig. 7 shows exemplary operational mode-operating pressure table of the pressure cleaning equipment 100 of Fig. 1 and Fig. 3 to Fig. 5 700.Here, the column on the left side show corresponding operational mode 710 in the example shown, such as soft in other words with the first operational mode Mode, the second operational mode 2 in other words in isotype and third operational mode 3 turbo Mode in other words above-mentioned operational mode. Illustratively, the maximum operating pressure Pmax of operating pressure P and 7bar with 4bar of the first operational mode 1 or soft mode and The minimum operating pressure Pmin of 1bar.In addition, the second operational mode 2 or medium mode example with 8bar operating pressure The minimum operating pressure Pmin of the maximum operating pressure Pmax and 5bar of P and 11bar.In addition, third operational mode 3 or turbine mould Formula illustratively has the minimum operating pressure of the maximum operating pressure Pmax and 9bar of the operating pressure P and 15bar of 12bar Pmin.Point out: shown operating pressure only has illustrative feature and is not construed as limitation of the present invention.Therefore, Corresponding operating pressure also can have other values.

Fig. 8 shows exemplary operational mode-operating pressure table of the pressure cleaning equipment 100 of Fig. 1 and Fig. 3 to Fig. 5 800, wherein operating pressure P and the volume flow attachedThe fluid set is adjusted according to corresponding operational mode 710 and correspondingly to penetrate Stream type is shown.Herein preferably, be configured to the nozzle 162 of Fig. 2 of construction convergent cone spray in the first operational mode or Say the operating pressure P and 1.5 liters/min of volume flow that 4bar is associated in soft modeThe second operational mode in other words Be associated with the operating pressure P and 2.3 liters/min of volume flow of 8bar in middle isotype, and in third operational mode or Say the operating pressure P and 2.7 liters/min of volume flow that 12bar is associated in turbo ModeIt is preferred that being configured to structure The nozzle 168 for making Fig. 2 of fan spray is associated with the value equal with convergent cone spray-nozzle 162.Construction sprinkling is configured to penetrate The nozzle 164 of Fig. 2 of stream be preferably associated in the first operational mode in other words soft mode 3bar operating pressure P and 2 liters/ The volume flow of minuteThe operating pressure P and 2.7 of 6.5bar is associated in the second operational mode in other words middle isotype Liter/min volume flowAnd the operating pressure P of 9.5bar is associated in third operational mode in other words turbo Mode With 3.5 liters/min of volume flowIt is configured to construction and flows freely the nozzle 166 of jet stream preferably in the first operation mould Formula is associated with the operating pressure P and 2.5 liters/min of volume flow of 1bar in soft mode in other wordsMould is run second Formula is associated with the operating pressure P and 3.5 liters/min of volume flow of 2bar in isotype in other wordsAnd it is run in third Mode is associated with the operating pressure P and 4.5 liters/min of volume flow of 3bar in turbo Mode in other wordsHowever point out: institute The operating pressure P and volume flow shownOnly there is illustrative feature and be not construed as limitation of the present invention.Therefore, Corresponding operating pressure P and volume flowAlso other values be can have.

Fig. 9 shows the exemplary operating pressure change curve 910 of the pressure cleaning equipment 100 with Fig. 1 and Fig. 3 to Fig. 5 Curve graph 900.Here, operating pressure curve 910 shows identification or the stream of the nozzle to fluid jet type is attached to respectively The tune of body jet type is set and operational mode switching.Herein illustratively, time t drawn on abscissa 902 with the second and Operating pressure P is drawn on ordinate 904 with bar.

Preferably, section 911 of the construction of operating pressure change curve 910 between time point T0 and T1 is shown medium Initial pressure of the mode in other words in the second operational mode 2 is established, the middle isotype or in the second operational mode 2 it is excellent Operating pressure is selected to be established from 0 by diagram to maximum operating pressure P1max.When reaching maximum operating pressure P1max, pressure is generated Unit 120 turns off.Maximum operating pressure P1max is kept in section 912, until fluid outlet when time point T2 is opened described in Maximum operating pressure drops to minimum operating pressure P1min according to illustrative section 913.Reach minimum operation in time point T3 When pressure P1min, pressure generating unit 120 is activated and operating pressure P is established in section 914 until in time point T4 Reach operating pressure P1.

It is preferred that according to one embodiment, control equipment 240 is identified via the slope for being associated with section 914 and is correspondingly adjusted If fluid jet type and preferably establish be associated with the operating pressure P1 for adjusting the fluid jet type set.In section 915 In the operation for adjusting the fluid jet type set in the case where being associated with the operating pressure P1 of the fluid jet type is shown.

It is closed in time point T5 fluid outlet, operating pressure is increased to maximum operating pressure in section 916 as a result, P1max and pressure generating unit 120 are deactivated in time point T6 controlled device 240.Operating pressure, in the example shown is maintained herein Maximum operating pressure P1max is preferably constant.The section 918 constructed between time point T7 and T8 shows pressure cleaning equipment 100 Operation interval.

Illustratively proceed to operational mode switching of the operational mode 3 in other words in turbo Mode in time point T8.Therefore, Operating pressure P is increased to the maximum fortune for being associated with the operational mode in section T9 after activation pressure generates unit 120 Row pressure P2max.In time point T9, pressure generating unit 120 is deactivated in a manner of being similar to time point T2 and is preferably existed Maximum operating pressure P2max is maintained in section 920.In time point T10, fluid outlet is opened and operating pressure P is in section Drop to the minimum operating pressure P2min for being associated with the operational mode in 921.When reaching minimum operating pressure P2min or Person says that in time point T11, pressure generating unit 120 is activated again and establishes attached operating pressure in section 922 P2, the operating pressure schematically reach from time point T12.Carried out in section 923 operation or fluid output until The output of time point T13 fluid is deactivated, as a result, operating pressure P is increased in section 924 until maximum operating pressure P2max simultaneously And control equipment 240 deactivates pressure generating unit 120 in time point T14 in the example shown.

Figure 10 shows the exemplary operating pressure change curve of the pressure cleaning equipment 100 with Fig. 1 and Fig. 3 to Fig. 5 1010 curve graph 1000.Here, operating pressure change curve 1010 shows the identification to nozzle switching.Herein illustratively, Time t is drawn on abscissa 1002 with the second and operating pressure P is drawn on ordinate 1004 with bar.

Preferably, section 1011 of the construction of operating pressure change curve 1010 between time point T0 and T1 shows starting Pressure establish, starting pressure establish in operating pressure preferably established in the example shown from 0 to maximum operating pressure P1max. When reaching maximum operating pressure P1max, pressure generating unit 120 is turned off.Maximum operating pressure is kept in section 1012 It P1max and illustratively adjusts be set to the free-flowing jet nozzle 166 of Fig. 2 herein.Then in section 1013, in fluid In the case where time point T2 is opened, operating pressure P drops to cut-in pressure Pein for outlet.Reach cut-in pressure in time point T3 When Pein, at least pressure generating unit 120 is activated.

However, due to the relatively large volume flow for flowing freely jet nozzle 166Operating pressure P is in section 1014 Middle decline is further lowered into the minimum operating pressure P1min for constituting operating pressure P1 between time point T3 and T4 in other words. Here, operating pressure P1 is located at cut-in pressure Pein or less.

Carry out flowing freely the operation of jet nozzle 166 in section 1015.In time point T5, nozzle 166 close and Operating pressure P is increased to illustrative maximum operating pressure P2max, the pressure generating unit 120 at the maximum operating pressure It is deactivated.

In the nozzle for the sprinkling jet nozzle 164 for proceeding to Fig. 2 in section 1017 between time point T6 and T7 in other words Switching.When time point T7 opens sprinkling jet nozzle 164, operating pressure drops to the minimum operation attached in section 1018 Pressure P2min, pressure generating unit 120 is activated as a result,.Herein illustratively, minimum operating pressure P2min is penetrated due to spraying The volume flow of flow nozzle 164Constitute operating pressure P2.

In sprinkling jet nozzle 164 after the operation in section 1019, sprinkling jet nozzle is closed in time point T9, In, operating pressure P is increased to the maximum operating pressure P3max attached, the pressure generating unit 120 at the maximum operating pressure It is deactivated again.In the cone jet nozzles 162 for proceeding to Fig. 2 in section 1021 between time point T10 and T11 in other words or Person to Fig. 2 fan spray nozzle 168 nozzle switching.

Adjusting the nozzle 162,168 set, for fluid outlet when time point T11 is opened, operating pressure P is in section in other words Drop to the minimum operating pressure P3min attached in 1022, pressure generating unit 120 is activated as a result,.Therefore, operation pressure Power P is increased to the operating pressure P3 attached in section 1023, wherein it carries out adjusting the nozzle 162 set in section 1024, 168 operation.In time point T14, fluid outlet is closed and operating pressure P is increased to the maximum operating pressure attached P3max and pressure generating unit 120 is deactivated again.

Figure 11 shows the exemplary operating pressure change curve of the pressure cleaning equipment 100 with Fig. 1 and Fig. 3 to Fig. 5 1110 and exemplary volume flow rate change curve 1140 curve graph 1110, wherein volume flowWith flow changing curve etc. Together.Here, operating pressure change curve 1110 is shown to the identification of nozzle switching and to the adaptation of minimum and maximum operating pressure. Herein illustratively, time t is drawn on abscissa 1102 with the second and operating pressure P is with bar and volume flowWith rise/ Minute draws on abscissa 1104.

Preferably, section 1111 of the construction of operating pressure change curve 1110 between time point T0 and T1 shows starting Pressure establish, preferably operating pressure is established in the example shown to maximum operating pressure P1max from 0 in the pressure of starting is established. When reaching maximum operating pressure P1max, pressure generating unit 120 is turned off.

Maximum operating pressure P1max is kept in section 1112 and illustratively adjusts the free flow for being set to Fig. 2 herein Dynamic jet nozzle 166.Then in section 1113 when time point T2 opens fluid outlet, operating pressure P drops to minimum fortune Row pressure P1min cut-in pressure Pein in other words.When time point T3 reaches cut-in pressure Pein, at least pressure generating unit 120 are activated.

However, due to the relatively large volume flow for flowing freely jet nozzle 166, in section 1114 in other words Operating pressure P1 is further lowered between time point T3 and T4.Here, operating pressure P1 is located at cut-in pressure Pein or less. By being associated with the slope of section 1114, control equipment 240 identifies that used is in the nozzle 162,164,166,168 of Fig. 2 Which nozzle and be therefore preferably automatically adapted to minimum and maximum operating pressure Pmax, Pmin.

Carry out flowing freely the operation of jet nozzle 166 in section 1115.In time point T5, fluid outlet close and Operating pressure P is increased to maximum operating pressure P1maxneu that is new or being adapted to, and pressure produces at the maximum operating pressure Raw unit 120 is deactivated.It is being transported in other words between time point T6 and T7 with flowing freely jet nozzle 166 in section 1117 Row.When time point T7 is opened and flowed freely 166 fluid outlet in other words of jet nozzle, operating pressure declines in section 1118 Onto minimum operating pressure Plminneu that is new or being adapted to, pressure generating unit 120 is activated as a result,.Here, minimum fortune Row pressure P1minneu is configured to cut-in pressure Pein.Similar to the abovely, operating pressure P is due to flowing freely jet nozzle 166 relatively large volume flowAnd fortune is being further lowered between time point T8 and T9 in other words in section 1119 Row pressure P1.Carry out flowing freely the operation of jet nozzle 166 in section 1120.In time point T10, fluid outlet is closed simultaneously And operating pressure P is increased to maximum operating pressure P1maxneu, pressure generating unit 120 is stopped at the maximum operating pressure With.

Then nozzle switching is carried out in section 1122.When opening fluid outlet in other words in section 1123, operation Pressure P drops to minimum operating pressure Plminneu and pressure generating unit 120 is reaching minimum operating pressure P1minneu When be activated.In next section 1124, operating pressure P is increased to new operating pressure P2, wherein as described above, control Control equipment 240 for example carries out identification and therefore to attaching by being associated with to used nozzle by the slope of section 1124 Maximum operating pressure and/or minimum operating pressure P2max, P2min are sought.

New nozzle is carried out in section 1125, schematically and illustratively the sprinkling jet nozzle 164 of Fig. 2 is in other words The operation of new fluid jet type.Fluid outlet is closed in time point T15 and operating pressure P is increased to and is associated with nozzle 164 maximum operating pressure P2max, pressure generating unit 120 is deactivated at the maximum operating pressure.In section 1127 Without spraying the operation of jet nozzle 164.In time point T17, fluid outlet is opened and operating pressure P is in section 1128 Drop to the minimum operating pressure P2min for being associated with nozzle 164.Reaching minimum operating pressure P2min in other words at time point When T18, pressure generating unit 120 is activated again and operating pressure P is increased in section 1129 and is associated with nozzle 164 Operating pressure P2.Here, being run in section 1130, this operates in time point T20 and is deactivated, wherein operating pressure P is again Secondary raising.

In addition, Figure 11 the pressure cleaning equipment 100 of Fig. 1 and Fig. 3 to Fig. 5 is shown be associated with operating pressure change curve 1110 volume flow change curve 1140.Here, when nozzle 166 is opened in other words in fluid outlet in time point T2 until In the unlatching of time point T4 (reaching operating pressure P1 in the time point T4), volume flow is established in section 1141 During operation or say in section 1142, volume flowWith the maximum volume flow for being associated with its nozzle 166 When closing fluid outlet in other words between time point T5 and T6 in other words in section 1143 when, volume flowDecline again 0 is returned to, volume flow is until time point T7 remains zero in section 1144 in other words.Then, when opening fluid outlet Volume flow in section 1145It is increased again to its maximum valueAnd it is kept in section 1146 in other words during operation In this value.When closing fluid outlet, in other words in section 1147, volume flowIt is re-lowered to 0.

As described above, proceeding to the nozzle switching of the sprinkling jet nozzle 164 of Fig. 2 in next section 1148.In When fluid outlet is opened in other words in section 1149 or 1153, volume flowIt is increased to the maximum for being associated with nozzle 164 herein Volume flowAnd when closing fluid outlet in other words in section 1151, volume flow is re-lowered to 0, the body Product flow also remains zero in section 1152 in other words when pressure generating unit 120 is deactivated.

In addition, present invention illustrates the pressure cleaning equipment of a kind of hose fitting, especially Fig. 1 and Fig. 3 to Fig. 5 for identification There is pressure generating unit 120 to be used for convection current for the method for the fluid jet type of 100 hose fitting, the pressure cleaning equipment Body carries out pressure-loaded.Here, it is preferred that the pressure sensor 220 of electricity seeks correspondingly current operating pressure P and/or flow biography Sensor seeks correspondingly current flow or volume flowThen, control equipment 240 according to the operating pressure P acquired and/or The flow acquired or the volume flow acquiredOperating pressure change curve 1110 and/or flow changing curve body in other words is made Product flow changing curve 1140.Then, control equipment 240 will be made preferred to identification hose fitting 150 or fluid jet type At operating pressure change curve 1110 and/or flow changing curve in other words volume flow change curve 1140 and storage fortune Row pressure history and/or flow changing curve are associated, especially to adjust the operational mode for setting pressure generating unit.

It points out: controlling equipment 240 in the diagram shown according to operating pressure P control pressure generating unit 120, however this It is not construed as limitation of the present invention.Therefore, control equipment 240 can also be according to volume flowOr and volume flowIt is equivalent Flow pressure generating unit is controlled.

It also indicates that: shown operating pressure change curve, volume flow change curve, the operation for being associated with operational mode Pressure and volume flow, which can test, to be sought and therefore at least approximately reflects typical value.Here, corresponding change curve or Section is merely exemplary linear, parabola shaped and/or exponentially construct, this is not construed as limitation of the present invention.In addition, at this Value illustrated in invention only has illustrative feature and is not construed as limitation of the present invention.