WO2017215596A1 - Machine portative de nettoyage par pression - Google Patents

Machine portative de nettoyage par pression Download PDF

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Publication number
WO2017215596A1
WO2017215596A1 PCT/CN2017/088095 CN2017088095W WO2017215596A1 WO 2017215596 A1 WO2017215596 A1 WO 2017215596A1 CN 2017088095 W CN2017088095 W CN 2017088095W WO 2017215596 A1 WO2017215596 A1 WO 2017215596A1
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WO
WIPO (PCT)
Prior art keywords
hand
battery pack
interface
power source
pressure washer
Prior art date
Application number
PCT/CN2017/088095
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English (en)
Chinese (zh)
Inventor
吴平华
乔勇
Original Assignee
苏州宝时得电动工具有限公司
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Filing date
Publication date
Application filed by 苏州宝时得电动工具有限公司 filed Critical 苏州宝时得电动工具有限公司
Publication of WO2017215596A1 publication Critical patent/WO2017215596A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means

Definitions

  • the invention relates to the field of cleaning, and in particular to a hand-held pressure washer.
  • pressure washers The emergence of pressure washers has greatly facilitated people's lives. It can be used to clean such as cars, glass doors and windows, courtyard roads, etc., which is efficient, safe and convenient.
  • a portable pressure washer In order to make the pressure washer easy to carry, a portable pressure washer has appeared on the market, and the portable pressure washer integrally sets the motor, the pump body and the injection port, and is convenient for the staff to carry.
  • portable pressure washers require external AC power and other household power sources during operation, so that if the above-mentioned portable pressure washer is required for the work of the staff, the portable pressure washer cannot be connected to the household power source, which causes certain troubles for the work of the staff.
  • the portable pressure washer is equipped with a battery, but since the general portable pressure washer uses a large amount of electricity, this requires a large amount of charge stored in the battery, thus causing the battery Due to the heavy weight, it brings a lot of inconvenience to the staff.
  • a hand-held pressure washer comprising:
  • the housing including an injection portion and a hand-held portion disposed at an angle to the injection portion;
  • a driving component disposed in the housing, having a pump for conveying water flow outward and a motor for driving the pump to operate;
  • control unit for controlling the motor to operate
  • the power interface is disposed on the housing, the power interface includes a battery pack interface for external battery pack and an external power interface for connecting an external driving power source, and the driving component is connected to the driving power source through the power interface to enable the driving power source
  • the motor is supplied with electrical energy through the power interface.
  • the above hand pressure washer is connected to an external driving power source through an external power interface, through the external
  • the driving power source (such as the vehicle power supply) drives the hand-held pressure washer to work, so that the worker can operate the handheld pressure washer through the external driving power when the worker does not have the household 220V AC, and also makes the handheld pressure washer It can work without assembling the battery, which improves the portability of the handheld pressure washer.
  • the external power interface is used for external 0-60v external driving power.
  • the external drive power source can be an onboard power source.
  • the rated voltage of the battery pack and the rated voltage of the external driving power source are both set within a range of ⁇ 10 V of the rated voltage of the motor.
  • the battery pack at least partially shields the external power interface when the battery pack is mounted to the battery pack interface.
  • the handheld pressure washer includes an identification module for identifying the battery pack and/or when the battery pack and/or the external drive power source is connected to a power interface. Or the external driving power source, the handheld pressure washer is operable to control whether the external power interface or the battery pack interface can be electrically connected to the motor according to the identification result of the identification module.
  • the handheld pressure washer further includes a control module, configured to receive a corresponding signal sent by the identification module according to the identification result, and control the external power interface according to the signal or Whether the battery pack interface can be electrically connected to the motor.
  • the handheld pressure washer is operable to control the external drive when the battery pack is connected to the battery pack interface and the external drive power source is connected to the external power supply interface A power source is electrically connected to the motor, and the battery pack is controlled to be disconnected from the motor.
  • the battery pack and the external driving power source are electrically connected to the motor.
  • the battery pack interface and the external power source interface are configured in different shapes.
  • the power interface is disposed at a bottom of the handheld portion.
  • the drive member is disposed within the injection portion of the housing.
  • control component includes a control switch disposed on one side of the hand-held portion of the housing for controlling operation of the motor.
  • the hand held pressure washer further includes an inlet tube, the pump including a liquid inlet connected to the inlet tube.
  • the pump is a plunger pump, a gear pump or a diaphragm pump.
  • FIG. 1 is a schematic structural view of a hand-held pressure washer of the present invention
  • FIG. 2 is a schematic plan view showing a power supply interface of a hand-held pressure washer according to a first preferred embodiment of the present invention.
  • FIG. 3 is a schematic plan view showing a power supply interface of the second preferred embodiment of the present invention through a switching unit.
  • FIG. 4 is a schematic diagram showing the distribution of a power interface according to a third preferred embodiment of the present invention.
  • FIG. 5 is a schematic view of the battery pack of the third preferred embodiment of the present invention after being connected to the battery pack interface.
  • FIG. 6 is a schematic diagram of module identification according to a third preferred embodiment of the present invention.
  • Handheld unit 141 External power interface
  • the present embodiment discloses a hand-held pressure washer 100 that can connect a water inlet to a water source through a water pipe, and the water flow is sprayed outward through the hand-held pressure washer 100.
  • a certain pressure of water flow, and spraying the water with a certain pressure onto the surface of the article has achieved the effect of cleaning.
  • the hand-held pressure washer 100 includes a housing 110, a driving component 120, a control component 130, and a power connector 140.
  • the housing 110 includes an ejection portion 111 and a hand-held portion 112.
  • the handheld portion 112 is for gripping
  • the handle is roughly the shape of a gun handle and has a size of about 10 cm, which is suitable for one-handed grip.
  • the hand portion 112 can also be a D-shaped handle.
  • the center of the entire hand-held pressure washer 100 is located at the position of the hand-held portion 112, and when the user holds the hand-held portion 112 with one hand, the entire hand-held pressure washer 100 can be grasped.
  • the driving component 120 and the control component 130 are disposed in the housing 110.
  • the driving component 120 includes a motor, a transmission mechanism for connecting the motor, and a pump driven by the transmission mechanism.
  • the pressure washer 100 itself does not have a water tank for storing a water source, but is connected to an external water source through a water pipe, which may be a pond, a faucet or the like.
  • the motor, the transmission mechanism connecting the motor and the pump driven by the transmission mechanism are located in the housing 110, and the pump may be a plunger pump, a gear pump or a diaphragm pump.
  • the pump generally includes a water inlet and a water outlet, and one end of the water inlet is usually connected to a water source (such as a water tank or a water outlet of the tap water) through an inlet pipe, and the water outlet of the other end pump is connected to the water outlet of the casing 110 for Spray the water outward.
  • a nozzle is generally connected to the water outlet of the housing 110. Generally, the nozzle is detachably connected to the water outlet of the housing 110. The water outlet of the housing 110 can be adjusted to discharge water by externally connecting different nozzle attachments.
  • a shower is connected to the water outlet of the housing 110, so that the bath can be easily taken.
  • a suspension mechanism can be provided at an appropriate position of the housing 110. If necessary, suspend the sprinkler on the suspension mechanism and then extend the suspension mechanism to an elevated position to further facilitate bathing.
  • the suspension mechanism can be a common ring or a hook.
  • a massage nozzle can also be installed on the housing 110, so that the nozzle is relatively soft and suitable for water massage of the operator.
  • a sharp pyramid can be externally connected to the water outlet of the housing 110, and water is ejected from the head of the sharp cone, so that the water is discharged faster and the pressure is stronger.
  • the long linear water strip to the outer casing 110, and the water ejected from the water strip can form a water curtain or be externally connected to form a special shaped nozzle such as a flower shape, a peach shape, a heart shape or the like.
  • the attachment of the showerhead is not limited to the above list.
  • the control unit 130 is for controlling the operation of the motor, in particular, the control unit 130 and the motor are connected by wires.
  • the control unit 130 can include a control switch disposed on one side of the hand-held portion 112 of the housing 110.
  • the user controls the motor of the driving unit to operate by controlling the switch while holding the hand-held portion 112.
  • the operator changes the motor.
  • the operator operates the control switch so that the control switch turns the circuit on, and the control unit can change the operating state of the motor.
  • changing the operating state of the motor may be changing the operating parameters of the motor, such as the power of the motor, the steering of the motor, and the like.
  • the above control switch can control the motor to perform high and low speed operation in a multi-stage adjustment manner.
  • control switch can be a dial button, and the dial button has a plurality of different gear positions of high, medium and low, and the operator selects the corresponding gear position according to requirements, of course,
  • the control switch can also be in the form of a button, which is turned on when pressed. It can be in the form of a knob that the operator turns the knob to activate.
  • the control switch can also be a stepless adjustment mode.
  • the control switch is a knob, and the knob can be adjusted arbitrarily around the circumference or the semicircle.
  • the control switch can also be a linked safety switch to improve operational safety.
  • the pressure washer 100 provided by the invention has the advantages of light weight and small volume, and can carry and clean all kinds of articles with the body.
  • the weight of the pressure washer 100 is less than or equal to 3 kg. In an alternative embodiment, the weight of the whole machine is less than 2.8 kg, 2.5 kg, 2 kg, or 1.8 kg, or 1.7 kg, or 1.5. kg. The lighter weight allows the pressure washer 100 to be hand held for cleaning work for a long time.
  • the entire length of the pressure washer 100 is less than 500 mm, preferably, the length of the whole machine is 400 mm or 350 mm.
  • the length of the whole of the pressure washer 100 may vary.
  • the length of the body of the pressure washer 100 is less than 300 or 250 mm when the pressure washer 100 is not attached to any of the spray heads.
  • the height of the pressure washer 100 is less than 250 mm or 200 mm, and the width of the whole machine (excluding the battery pack and external drive power) is less than 150 or 100 mm.
  • the transmission mechanism includes a deceleration structure such as a planetary gear mechanism or the like.
  • a deceleration structure such as a planetary gear mechanism or the like.
  • the output speed is directly compared to Low-speed motors in the input speed range, with a reasonable combination of a deceleration structure and a high-speed motor, can significantly reduce the overall weight and volume of the motor and transmission.
  • the no-load rotation speed of the motor is 10000 rpm or 12000 rpm or 15000 rpm or 20,000 rpm
  • the idle output speed of the transmission structure of the transmission mechanism is 3000 rpm or 2500 rpm or 2200 rpm or 2000 rpm.
  • the reduction ratio of the transmission structure of the transmission mechanism is between 12:1 and 3:1, such as about 10:1, 8:1, 7:1, 6:1, 5:1, 4:1, and the like.
  • the volume and weight of the motor of the present embodiment can be reduced to less than half compared to the direct use of the low-speed motor, further improving the portability of the pressure washer 100.
  • the handheld pressure washer 100 includes a power interface 140.
  • the power interface 140 is generally disposed at one end of the handheld portion 112 of the housing 110, that is, at an end of the handheld portion 112 opposite to the connecting portion 111, so that when the power interface 140 is externally connected to the driving power source, the wires for connecting the driving power source are not Interfering with the operator's operation of the handheld pressure washer 100.
  • the power interface 140 herein may include a battery pack interface 142 for external battery pack 200 and an external power interface 141 for connecting an external drive power source (not shown).
  • the external power interface 141 is used for externally driving the driving power source of 0 to 60 V.
  • the external power source interface 141 is used for externally connecting the external driving power source of 0 to 18 V.
  • the external power source 141 When the external power source 141 is externally connected to an external driving power source (for example, a vehicle power source), the external driving power source can supply power to the motor that sets the housing 110 through the external power source interface 141, so that the motor drives the pump to operate, thereby enabling the handheld pressure washer 100 to perform
  • the battery pack 200 interface 142 when the battery pack 200 interface 142 is externally connected to the battery pack 200, the battery pack 200 can supply power to the motor disposed in the housing 110 through the battery pack 200 interface 142, so that the motor drives the pump to work, thereby enabling the handheld The pressure washer 100 operates.
  • the handheld pressure washer 100 provided by the present invention includes at least two power interfaces. Therefore, in order to prevent the external driving power source and the battery pack 200 from supplying power to the motor at the same time when the hand-held pressure washer 100 is in normal operation, the hand-held pressure washer 100 is injured. Therefore, the battery pack 200 and the external driving power source are selectively electrically connected to the motor. In other words, only one of the battery pack 200 and the external driving power source can be electrically connected to the motor.
  • the battery pack 200 when the battery pack 200 is mounted to the battery pack interface 142, the battery pack 200 at least partially shields the external power supply interface 141.
  • the external power interface 141 can be disposed on the side of the interface 142 of the battery pack 200.
  • the space occupied by the battery pack 200 at least partially covers the external power interface 141.
  • the external power supply interface 141 is connected to the external driving power supply to cause interference, so that the external power supply interface 141 cannot be connected to the external driving power supply.
  • the space occupied by the external driving power source is at least The space of the interface 142 of the battery pack 200 is partially covered, so that the external power interface 141 interferes with the access of the interface 142 of the battery pack 200, so that the interface 142 of the battery pack 200 cannot be docked with the battery pack 200, thus avoiding the battery pack.
  • the 200 and the external driving power supply are simultaneously connected to the power interface, thereby causing damage to the hand-held pressure washer 100.
  • a second preferred embodiment of the present invention can provide a switching unit between the external power interface 141 and the battery pack 200 interface 142, and the switching unit can control the external power interface 141 and the battery pack 200.
  • One of the interfaces 142 supplies power to the motor.
  • the switching unit may be a bidirectional switch. When the operator needs to externally connect the external driving power through the external power interface 141, the operator operates the switch to make the external power interface 141 in an openable state, and the battery is enabled.
  • the package 200 interface 142 is in an unconnectable state, so that the driving power source can be connected to the control unit 130 and the driving unit 120 through the external power source interface 141, and the battery pack 200 cannot supply the driving unit 120 through the battery pack 200 interface 142.
  • the battery pack interface 142 is disposed separately from the external power supply interface 141 at different positions of the handheld pressure washer 100.
  • the battery pack 200 cannot be shielded from the external power supply interface 141.
  • the external driving power source is mounted on the external power source interface 141, the external driving power source cannot shield the battery pack interface 142.
  • the battery pack interface 142 and the external power source interface 141 can be configured in different shapes to avoid mis-insertion of the battery pack 200 and the external drive power source. That is, the insertion of the battery pack 200 into the external power source interface 141 is avoided, and the external driving power source is inserted into the battery pack interface 142, thereby affecting the normal operation of the hand-held pressure washer 100.
  • the identification module 150 can be disposed on the hand-held pressure washer 100. Preferably, the identification module 150 is two.
  • the two identification modules 150 are respectively disposed at the corresponding battery package interface 142 and the external power supply interface 141.
  • the identification module 150 can be used to identify the battery pack 200 and/or the external driving power source, and the handheld pressure washer 100 can be operated according to the recognition result of the identification module 150. Whether the power interface 141 or the battery pack interface 142 can be electrically connected to the motor.
  • the handheld pressure washer 100 further includes a control module 160.
  • the control module 160 is connected to the identification module 150 and configured to receive a corresponding signal sent by the identification module 150 according to the identification result, and control the external power interface 141 or the battery according to the received signal.
  • the package interface 142 can be electrically connected to the motor.
  • the above can be used to identify whether any of the battery pack 200 and the external drive power source are properly connected to the corresponding power interface 140. It should be further noted that there is no embodiment in which the installation space of the battery pack 200 and the external drive power installation space do not overlap, and there is often a case where the battery pack 200 and the external drive power source are both connected to the corresponding power interface 140. Moreover, the connection between the battery pack 200 and the external driving power source and the power interface 140 is correct. In this case, in order to save the energy of the battery pack 200, the external driving power source can be controlled to preferentially supply power.
  • the handheld pressure washer 100 is operable to control the external driving power source to electrically connect with the motor, and control the battery pack. 200 is disconnected from the motor.
  • the rated voltage of the battery pack 200 is not higher than 36 volts to meet the energy requirement for the motor, and since the human body safety voltage is 36 volts, in the above embodiment, the rated voltage is not higher than 36 volts. Helps improve safety and prevent dangerous situations such as electric shock.
  • the external drive power and battery pack 200 may be rated at 7.2 volts, 9.6 volts, 10.8 volts, 12 volts, 15 volts, and 18 volts.
  • the motor can provide driving force to drive the handheld pressure washer 100 to the outside.
  • a certain pressure of water is sprayed, and the water having a certain pressure is sprayed onto the surface of the article to achieve the cleaning effect.
  • the rated voltage of the battery pack 200 needs to be set within a range of ⁇ 10 V of the rated voltage of the motor.
  • the rated voltage of the external drive power supply should be within ⁇ 10V of the rated voltage of the motor.
  • the battery pack 200 When the rated voltage of the motor is 20V, the connection is made.
  • the battery pack 200 to the battery pack interface 142 may have a rated voltage of 10V to 30V. Within this range, the battery pack 200 is capable of providing sufficient energy to the motor such that the motor drives the handheld pressure washer 100 to eject a flow of water having a purge pressure. If the rated voltage of the battery pack is less than 10V, the battery pack 200 can also be electrically connected to the motor, but the energy provided by the battery pack 200 cannot realize that the motor-driven handheld pressure washer 100 emits water with a cleaning pressure outward, resulting in a flow of water. The handheld pressure washer does not work properly.
  • the external driving power source may be a vehicle power source
  • the battery pack 200 may be a lithium battery or a nickel cadmium battery, etc., so that the volume of the battery pack 200 is relatively small, thereby facilitating the portability of the entire handheld pressure washer.
  • the battery pack 200 has a volume of no more than 3 cubic decimeters. In a preferred embodiment, the battery pack 200 has a volume of about 1 cubic decimeter.
  • the battery pack 200 can be plug-in or fixed to facilitate removal of the battery pack 200 from the device for charging or replacement.
  • the hand-held pressure washer 100 is externally connected to the external driving power source through the external power source interface 141, and the hand-held pressure washer is driven by the external driving power source (for example, the vehicle power source), so that the worker can pass the household 220V AC power.
  • the external drive power source enables the hand-held pressure washer 100 to operate, and the hand-held pressure washer 100 can be operated without assembling a battery, thereby improving the portability of the hand-held pressure washer.

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  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne une machine portative (100) de nettoyage par pression. La machine comprend : un boîtier (110), le boîtier (110) comprenant une partie de pulvérisation (111) et une partie portative (112) disposée sous un certain angle par rapport à la partie de pulvérisation ; un élément d'entraînement (120), qui est agencé à l'intérieur du boîtier (110) et qui présente une pompe transportant un flux d'eau vers l'extérieur et un moteur pour entraîner le fonctionnement de la pompe ; un élément de commande (130) utilisé pour commander le fonctionnement du moteur ; et une interface (140) de source d'alimentation agencée sur le boîtier (110), l'interface (140) de source d'alimentation comprenant une interface (142) de bloc-batterie utilisée pour une connexion externe à un bloc-batterie (200) et une interface (141) de source d'alimentation externe connectée à une source d'alimentation d'entraînement externe ; l'élément d'entraînement (120) est connecté à une source d'alimentation d'entraînement au moyen de l'interface (140) de source d'alimentation, de sorte que la source d'alimentation d'entraînement fournit de l'énergie électrique au moteur au moyen de l'interface (140) de source d'alimentation. L'utilisation de la source d'alimentation d'entraînement externe pour entraîner le fonctionnement de la machine portative de nettoyage par pression permet à un opérateur d'utiliser la source d'alimentation d'entraînement externe pour entraîner le fonctionnement de la machine portative de nettoyage par pression dans le cas où il n'y a pas de courant alternatif domestique de 220 V et permet également le fonctionnement de la machine portative de nettoyage par pression sans assembler les batteries, ce qui permet d'améliorer la portabilité.
PCT/CN2017/088095 2016-06-13 2017-06-13 Machine portative de nettoyage par pression WO2017215596A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610421118.0 2016-06-13
CN201610421118 2016-06-13

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WO2017215596A1 true WO2017215596A1 (fr) 2017-12-21

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WO (1) WO2017215596A1 (fr)

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US11376620B2 (en) 2019-11-13 2022-07-05 Techtronic Cordless Gp Pressure washer

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JP7038200B2 (ja) * 2018-05-07 2022-03-17 ▲蘇▼州宝▲時▼得▲電▼▲動▼工具有限公司 電池パック及び電動工具ユニット
CN210815840U (zh) * 2018-07-09 2020-06-23 苏州宝时得电动工具有限公司 手持式高压清洗机
WO2020047804A1 (fr) * 2018-09-06 2020-03-12 苏州宝时得电动工具有限公司 Nettoyeur portatif à haute pression
CN109229071A (zh) * 2018-11-13 2019-01-18 锐奇控股股份有限公司 一种高压清洗机
CN111318499A (zh) * 2018-12-17 2020-06-23 苏州宝时得电动工具有限公司 压力清洗机
CN113560257A (zh) * 2021-07-30 2021-10-29 格力博(江苏)股份有限公司 一种清洗机

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US11376620B2 (en) 2019-11-13 2022-07-05 Techtronic Cordless Gp Pressure washer

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