EP4627241A1 - Magnetventileinheit, reinigungsvorrichtung und fahrzeug - Google Patents
Magnetventileinheit, reinigungsvorrichtung und fahrzeugInfo
- Publication number
- EP4627241A1 EP4627241A1 EP23814189.9A EP23814189A EP4627241A1 EP 4627241 A1 EP4627241 A1 EP 4627241A1 EP 23814189 A EP23814189 A EP 23814189A EP 4627241 A1 EP4627241 A1 EP 4627241A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- solenoid valve
- valve unit
- supply line
- fluid
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0606—Multiple-way valves fluid passing through the solenoid coil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/52—Arrangement of nozzles; Liquid spreading means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/003—Housing formed from a plurality of the same valve elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
Definitions
- Solenoid valve unit cleaning device and vehicle
- the invention relates to a solenoid valve unit for distributing a pressurized fluid to individual cleaning points of a device, in particular a vehicle, a cleaning device with such a solenoid valve unit, in particular for a vehicle, and a vehicle with such a cleaning device.
- An object underlying the invention is to improve water distribution for device cleaning, in particular vehicle cleaning, in view of the increasing number of vehicle sensors.
- a solenoid valve unit for distributing a pressurized fluid to individual cleaning points or points to be cleaned on a device, in particular a vehicle.
- the solenoid valve unit has at least two solenoid valves, each with an electromagnet, which can each be fluidically connected to one of the cleaning points via an associated outlet, and a housing with at least one central supply line and at least one fluid inlet for providing the pressurized fluid in the supply line.
- the solenoid valves are joined to the housing transversely to the supply line. It is proposed that an electromagnet assigned to one of the drains can be flowed through via an assigned drain opening of the supply line transversely to the supply line.
- the proposed solenoid valve unit advantageously reduces these hydraulic losses to a minimum by supplying the fluid as directly as possible to the respective outlets across the supply line.
- the saving of required device or system components also promotes a corresponding compactness of such a device or system, so that less installation space is required overall.
- a fluid is understood to mean a liquid or cleaning fluid.
- this is water, but advantageously an aqueous cleaning agent solution, i.e. water in combination with a cleaning agent additive.
- the cleaning agent solution can also advantageously contain a freezing agent or antifreeze, which as such lowers the freezing point of the cleaning agent solution.
- a fluid also includes air or ambient air, which is also suitable for cleaning the previously mentioned cleaning surfaces when pressurized.
- a fluid can also be understood as a mixture of the cleaning liquid described above, in the simplest case just water, and air or ambient air.
- Ambient air can be understood as the air in a vehicle interior, which is expediently filtered and possibly preheated air.
- a filter that is already installed in an HVAC system Heating, Ventilation and Air Conditioning
- An air filter provided for heating, ventilation, air conditioning technology or an air conditioning system can be used. The latter contributes to a reduction in costs.
- preheated vehicle interior air or warm air has the advantage that, when the outside temperature in the vehicle is cold, freezing of the cleaning fluid at the respective cleaning point is prevented, for example at a cleaning point that can be assigned to a sensor optics.
- transverse (- transverse to the supply line) is to be understood as meaning that the individual fluidic connections between the drain openings of the supply line and the electromagnets through which the flow can flow enclose or form an obtuse or acute angle relative to the supply line, i.e. an angle of greater or less than 90°, or also represent an orthogonal arrangement, i.e. enclose or form an angle of 90°.
- the individual drain openings of the supply line are arranged coaxially to an associated through-line through which the fluid can flow through the electromagnet. This further promotes a direct or almost direct supply of the fluid to the respective drains across the supply line.
- a modular system is provided from which any number of solenoid valve pairs of this type can advantageously be expanded or combined to form a correspondingly larger solenoid valve unit as required.
- the joint connection between two housing sections joined together can, for example, be designed in the form of a so-called bayonet connection or the like.
- the individual solenoid valves can also be joined to the associated or common housing section by means of a joint connection - for example in the form of the aforementioned bayonet connection and the like - and/or connected by a material connection.
- the electromagnets can each be flowed through by a through-line via an internal valve piston that acts as a closure body. It is proposed that a spring extends from the associated electromagnet into this through-line, via which the valve piston is pre-tensioned against an associated drain opening of the supply line when the electromagnet is not energized and closes this in a fluid-tight manner.
- the through-line of the valve piston forks or branches towards a closure section of the valve piston into at least two line sections around the closure section, wherein the closure section together with associated housing sections of the solenoid valve unit also forms these line sections.
- the closure section of the valve piston is rotationally symmetrical, i.e. convex, concave and/or conical, at least in sections, in order to fluidically seal the associated drain opening of the supply line. close.
- the closure section can be designed, for example, in the shape of a ball.
- this closure section which is at least partially rotationally symmetrical, i.e. convex, concave and/or conical, which can be pressurized by the supply line, be as small as possible. This is because minimizing the pressurized area of the closure section enables a correspondingly cost-effective design of the electromagnets, because minimal magnetic forces are sufficient to actuate the individual solenoid valves in order to move the respective valve piston into an open position against a spring acting on it or having a restoring effect.
- the valve piston is made of a magnetic material, such as a plastic mixed with ferromagnetic particles or a magnetized stainless steel, etc.
- a plastic mixed with magnetic particles the closure section can be injection-molded or bonded to this plastic, or alternatively pressed.
- the solenoid valve unit has a central circuit board for contacting the individual electromagnets.
- a circuit board can advantageously be attached to one side or to a section of the solenoid valve unit, for example to the housing forming the supply line, using a joint and/or material connection in a space-saving manner.
- a bus-controlled central electronic control unit can be designed or arranged on the circuit board so that the individual solenoid valves can be controlled without the need for separate cables.
- the fluid conveying unit can be a liquid conveying pump with at least one pump stage or a fluid conveying unit in the form of a This can be a so-called pump-compressor unit with at least one pump stage and at least one compressor stage, which pumps a liquid and/or air in a speed-controlled and/or speed-regulated manner.
- the solenoid valve unit has at least a first fluid conveying unit and a second fluid conveying unit of the type described above for providing the pressurized fluid.
- These fluid conveying units can be arranged fluidically in series and/or parallel to one another.
- solenoid valve unit of the type described above, wherein at least one of the solenoid valves is not fluidically connected to any of the cleaning points of the vehicle in order to reliably enable or ensure pressure equalization to the environment in the event of freezing of the fluid in the central supply line.
- a vehicle with such a cleaning device is also proposed.
- a vehicle is understood to mean any type of vehicle that is powered by either an internal combustion engine and/or an electric motor, but in particular passenger cars and/or commercial vehicles. These are preferably semi-autonomous and in particular fully autonomous vehicles.
- Fig. 1 a proposed solenoid valve unit in a first perspective view
- Fig. 2 the solenoid valve unit shown in Fig. 1 in a second perspective view
- Fig. 3 the solenoid valve unit shown in Fig. 1 in a third perspective view
- This proposed modularity enables a flexible use of a so-called modular system, from which - depending on the requirement or need - a solenoid valve unit 2 of any size in the sense of a liquid distribution unit can be assembled as required and at the same time cost-optimized.
- the proposed valve piston 18 or its closure section or ball 26 thus enables a force and stroke-optimized design or dimensioning of the individual solenoid valves 8, 10, ... due to a closure surface that can be designed as small as possible, on which the pressurized liquid in the supply line acts.
- the electromagnet EM1 also has a metallic return pot 30, made of iron or steel, for example, to which the coil body 16 is joined.
- the return pot 30 comprises a first, central and bush-like pot section 32, which forms a through-line 38 to the outlet Ai and thus the said through-line through the electromagnet EM1, a second pot section 34 adjoining the first pot section 32 and a third pot section 36 adjoining the second pot section 34, which is joined to the coil body 16.
- the said helical spring 20 is arranged so as to rest against a first spring seat in the through-line 38 and a second spring seat in the through-line 22 and is pre-tensioned so that the valve piston 18 in In a de-energized state of the electromagnet EMi, it is pre-tensioned against the associated drain opening 7 of the supply line 6 and closes it in a fluid-tight manner.
- the arrangement of the return pot 30 and the coil body 16 illustrated in Fig. 5 is also partially injection-molded with a plastic which, on the one hand, forms a plastic section that can be joined to the common housing section 4g and through which the valve piston 18 is introduced into the solenoid valve 8 up to just before the bush-like pot section 32, as well as a plastic section for the outlet Ai of the solenoid valve 8.
- This plastic overmolding not only connects the metallic pot sections forming the return pot 30 to the coil body 16, but also protects these metallic sections or components from corrosion.
- an undercut or recess 28 for interaction with the previously described clamp 14 and an undercut or recess 29 for receiving a sealing ring, for example in the form of an O-ring, can be seen.
- the gap S between the valve piston 18 and the pot section 32 limits the possible stroke of the valve piston 18.
- this gap S advantageously ensures or enables so-called icing compensation or so-called icing protection of the solenoid valve unit 2.
- icing-related movement of the liquid through the valve piston 8 or beyond the valve piston 8 is made possible in order to prevent icing-related damage to the respective solenoid valve 8 and/or the supply line 6.
- the proposed solenoid valve unit 2 provides a corresponding compensation or pressure equalization option for each of the solenoid valves 8, 10, ..., so that the individual solenoid valves 8, 10, ... are protected from icing. can counteract damage to the proposed solenoid valve unit 2.
- the individual plastic housing parts 4g as well as the individual plastic sections of the respective solenoid valves 8, 10 are made, for example, from a thermosetting or thermoplastic plastic - for example from a PPS-GF material.
- the solenoid valve unit 2 illustrated in Fig. 4 in the sense of the smallest possible basic unit of the solenoid valve unit 2 shown in Figs. 1 to 3 shows a pair of solenoid valves, the solenoid valves 8, 10, ... of which are arranged opposite one another at an angle of 180° and coaxially to one another.
- This arrangement enables the two solenoid valves 8, 10, ... to be easily attached to the common housing section 4g, for example by means of the previously mentioned clamp 14.
- the solenoid valves 8, 10, ... can also be arranged in such a way relative to one another and opposite one another and joined to the common housing section 4g that they enclose an obtuse angle of greater than 90° and less than 180° or an acute angle of less than 90° with one another, without thereby losing the previously described advantages of a modular system.
- This makes the proposed solenoid valve unit 2 even more flexible to design, depending on the installation space conditions.
- At least one housing section 4g of one of the solenoid valve pairs shown in Figs. 1 to 3 can have a so-called partition wall section, which divides the central supply line 6 shown in Fig. 3 into at least two areas.
- the housing 4 has at least a first supply line or a first supply line section and a second supply line or a second supply line section, each with an associated inlet.
- the proposed solenoid valve unit 2 represents a fluid distribution mechanism or a type of fluid distributor with flow pressure losses or hydraulic losses reduced to a minimum.
- This proposed solenoid valve unit 2 thus promotes high performance of a vehicle cleaning device, which as such has such a solenoid valve unit 2. Due to the high fluid pressures that can be used, fluid consumption of the vehicle cleaning device can advantageously be reduced to a minimum. As a result, the fluid feed pumps used essentially only have to compensate for the smallest losses of the solenoid valve unit 2.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Water Supply & Treatment (AREA)
- Magnetically Actuated Valves (AREA)
- Valve Housings (AREA)
- Multiple-Way Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022212983.0A DE102022212983A1 (de) | 2022-12-01 | 2022-12-01 | Magnetventileinheit, Reinigungsvorrichtung und Fahrzeug |
| PCT/EP2023/083424 WO2024115516A1 (de) | 2022-12-01 | 2023-11-28 | Magnetventileinheit, reinigungsvorrichtung und fahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4627241A1 true EP4627241A1 (de) | 2025-10-08 |
Family
ID=88978544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23814189.9A Pending EP4627241A1 (de) | 2022-12-01 | 2023-11-28 | Magnetventileinheit, reinigungsvorrichtung und fahrzeug |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4627241A1 (de) |
| JP (1) | JP2025539882A (de) |
| KR (1) | KR20250093402A (de) |
| CN (1) | CN120380275A (de) |
| DE (1) | DE102022212983A1 (de) |
| WO (1) | WO2024115516A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2628179A1 (de) | 1976-06-23 | 1978-01-05 | Rau Swf Autozubehoer | Waschanlage, insbesondere fuer kraftfahrzeuge |
| DE102008060342C5 (de) * | 2008-12-03 | 2016-12-01 | Festo Ag & Co. Kg | Ventilanordnung |
| US9016305B2 (en) * | 2011-05-05 | 2015-04-28 | Norgren Gt Development Corporation | Configurable actuation-orientation valve |
| DE102015219207B3 (de) | 2015-10-05 | 2017-02-09 | Conti Temic Microelectronic Gmbh | Druckverteiler für ein Kraftfahrzeug |
| US20200317160A1 (en) * | 2019-04-03 | 2020-10-08 | Dlhbowles, Inc. | Liquid distribution assembly for a sensor cleaning system and method |
| FR3095627B1 (fr) * | 2019-04-30 | 2021-10-15 | Valeo Systemes Dessuyage | Bloc d’électrovannes pour installation de nettoyage de capteurs d’un véhicule |
| CN214823154U (zh) | 2021-04-01 | 2021-11-23 | 宁波恒帅股份有限公司 | 车用清洗泵及液体智能分配单元以及车用清洗装置 |
-
2022
- 2022-12-01 DE DE102022212983.0A patent/DE102022212983A1/de active Pending
-
2023
- 2023-11-28 KR KR1020257017425A patent/KR20250093402A/ko active Pending
- 2023-11-28 EP EP23814189.9A patent/EP4627241A1/de active Pending
- 2023-11-28 WO PCT/EP2023/083424 patent/WO2024115516A1/de not_active Ceased
- 2023-11-28 CN CN202380082815.6A patent/CN120380275A/zh active Pending
- 2023-11-28 JP JP2025531797A patent/JP2025539882A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2025539882A (ja) | 2025-12-09 |
| CN120380275A (zh) | 2025-07-25 |
| KR20250093402A (ko) | 2025-06-24 |
| WO2024115516A1 (de) | 2024-06-06 |
| DE102022212983A1 (de) | 2024-06-06 |
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