EP1885172A2 - Systeme d'alimentation de plantes compose d'un dispositif a plantes, d'une soupape et d'une soupape de commande de pression - Google Patents

Systeme d'alimentation de plantes compose d'un dispositif a plantes, d'une soupape et d'une soupape de commande de pression

Info

Publication number
EP1885172A2
EP1885172A2 EP06742292A EP06742292A EP1885172A2 EP 1885172 A2 EP1885172 A2 EP 1885172A2 EP 06742292 A EP06742292 A EP 06742292A EP 06742292 A EP06742292 A EP 06742292A EP 1885172 A2 EP1885172 A2 EP 1885172A2
Authority
EP
European Patent Office
Prior art keywords
water
housing
receptacle
valve
plant container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06742292A
Other languages
German (de)
English (en)
Inventor
Siegfried Müller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1885172A2 publication Critical patent/EP1885172A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/02—Self-acting watering devices, e.g. for flower-pots having a water reservoir, the main part thereof being located wholly around or directly beside the growth substrate
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers

Definitions

  • Plant supply system consisting of planting device, valve and pressure control valve
  • the present invention relates to a plant supply system comprising planting device, valve and pressure control valve.
  • a planting device which has an upwardly open plant container, such as a plant trough, plant box or the like, and an insert for insertion into the plant container, wherein the insert an open-topped basket for receiving a plant culture.
  • a spacer device is provided on the plant container and / or on the basket, the spacer device being designed such that the basket is arranged with its flat bottom wall at a distance above the bottom wall of the plant container and the intermediate space between the two bottom walls forms a water reservoir. At the same time, this forms a separation between earth area and water area.
  • the upwardly open basket can be pre-planted in the nursery. These annoyedanzten baskets are then used in the plant container, in which case only only the water reservoir must be filled with water.
  • the present invention seeks to further develop a generic planting device such that improved plant growth achieved and a self-sustaining planting device is obtained.
  • the generic planting device has an upwardly open planter with bottom wall and side walls and an insert for insertion into the plant container.
  • the insert consists of an upwardly open receptacle for receiving a planting culture.
  • the receptacle has a bottom wall and side walls.
  • the plant container and / or the receptacle are provided with a spacer device such that the bottom wall of the receptacle is arranged at a distance above the bottom wall of the plant container, wherein in the bounded by two bottom walls space water can be filled and the planting device has at least one overflow element which predetermines the maximum filling height of the plant container with water, or at least has a display device which indicates a maximum filling level of the plant container with water.
  • the water contained space thus forms a reservoir.
  • the bottom wall of the receptacle has depressions and / or elevations of different dimensions, so that at least some areas of the bottom wall of the receptacle are arranged at the same height and / or preferably below the maximum filling height of the plant container and at least some other areas the bottom wall of the receptacle are arranged above the maximum filling height of the plant container, wherein the bottom wall of the receptacle has openings through which water flows into the space and / or get out of the space into the plant culture and / or through the roots of the plant culture in the space can grow.
  • the planting device according to the invention provides in the planted state for an improved and more effective plant growth, in particular, a rotting of the roots is prevented by the inventive design of the bottom wall of the receptacle.
  • a planted receptacle according to the invention is usually filled with a suitable substrate, in particular in the form of a culture medium adapted to the planting.
  • a suitable substrate in particular in the form of a culture medium adapted to the planting.
  • seedlings seedlings or other suitable plants can be used.
  • the planting can take place in the form of a pre-planting or precultivation in a nursery or even by the end user.
  • a planted receptacle is used according to the invention in the upwardly open plant container.
  • the plants set in the receptacle now require optimal environmental conditions for good growth.
  • air and temperature, especially the water supply plays a very important role.
  • the water consumption can vary greatly depending on the season and the above conditions.
  • the planting device is by their design a demand-oriented and optimized for plant growth water supply.
  • the required for plant growth irrigation takes place in a first step from above, ie by watering the substrate surface with water, and / or from below, so by filling the the bottom walls of the receptacle and the plant container limited space with water.
  • the substrate When watering from above, the substrate is moistened as a whole and excess, no longer storable in the substrate water passes through the existing in the bottom wall of the receptacle openings in the space bounded by the bottom walls of the receptacle and the planter space.
  • the intermediate space should in this case be filled until the predetermined maximum filling level is reached, the filling either ends automatically when the water exceeding the maximum filling level is discharged through the overflow element from the plant container, or manually by stopping the casting process when the display device reaching the indicates the maximum fill level.
  • irrigation is primarily natural, that is by precipitation, overflow elements are preferable to the display device.
  • irrigation is both natural and artificial, then a combination of overflow elements and display device makes sense.
  • the gap is also filled until the predetermined maximum filling height is reached. The filling also ends here either automatically or manually.
  • the substrate is moistened and filled the space to the maximum level with water.
  • the plants absorb water from the moistened substrate.
  • the space is also filled to the maximum level with water.
  • the bottom wall of the receptacle according to the invention depressions and / or elevations of different dimensions, such that at least some areas of the bottom wall of the receptacle are arranged at the same height and / or preferably below the maximum filling height of the plant container, wherein the bottom wall of the receptacle has openings , is now achieved in both cases, that water can reach from the gap in the substrate, ie in the plant culture. This is done by the usually existing capillary action of the substrate, which is preferably a nutrient medium. The deeper existing depressions protrude into the intermediate space and thus into the water located in the intermediate space, the longer it is possible to humidify the substrate in this way. Roots which are exclusively in the substrate not in direct contact with the water in the interstitial space can be irrigated in the manner over a longer period of time, advantageously avoiding the formation of waterlogging and thus avoiding fouling of the roots.
  • roots can grow through the openings in the space and further into the water located in the space.
  • the roots are thus formed as water roots and are constantly in contact with water. If the openings are above the maximum filling level of the plant container, the roots first grow through the air before they reach the water in the interspace.
  • re-watering or filling with water is preferably indicated up to the maximum filling level.
  • the depressions and / or elevations are preferably step-shaped in cross-section, wherein the individual steps are flat and / or arc-shaped. In plan view, the depressions are preferably formed basin-shaped.
  • a development of the invention provides that predetermined regions of the depressions of the bottom wall of the receptacle have no openings.
  • depressions without openings advantageously serve as additional water storage and prevent a balloon-like contraction of the substrate if a required irrigation fails.
  • These are preferably individual basins within the bottom wall of the receptacle.
  • the insert is an essay or a teilersverenkbarer essay, wherein the side walls of the plant container and the receptacle are preferably formed such that they are aligned when placing the receptacle on the plant container with each other, for which purpose preferably the side walls of the receptacle in a predetermined amount at least partially encircling projection, with which the receptacle is placed on the edge or on a corresponding, at least partially circumferential projection of the plant container.
  • a planting device which is particularly material-saving design and correspondingly inexpensive to produce.
  • the side wall of the planting device is formed both by the plant container and by the receptacle.
  • planters and receptacles can also be made in different colors, so that the planting device in a surprisingly simple way - a frequent user request - is multicolored assembled.
  • the receptacle can be formed, for example, in a color that fits particularly harmoniously in the plant image.
  • the plant container and / or the receptacle latching means by the plant container and receptacle are releasably preferably positively connected to one another.
  • the planting device can be handled as a whole.
  • the planting device can be easily transported or suspended on the receptacle. Does the planting device stand on a sliding level, prevents the receptacle from slipping out of the planter.
  • a development of the invention provides that the plant container and the receptacle are each formed in one piece, wherein they are preferably made to save material by deep drawing.
  • the planting device according to the invention of deep-drawn plant and receptacles is characterized in that they are designed to be much thinner-walled. As a result, in particular transport costs can be saved in the delivery of such planting devices. While according to the prior art planting devices find space only in an amount of about 30 to 150 pieces per pallet, the planting devices according to the invention can be arranged at the same volume in an amount of about 600 pieces per pallet. The planting device according to the invention is in fact stackable much narrower. Furthermore, the planting devices are particularly easy to handle due to their low weight.
  • deep-drawn planters are also much cheaper to produce and can be marketed especially as disposable products. This has particular advantages for those end users who have their receptacles planted in a nursery. If a planter is present, the end users need only a planted receptacle, which they then bring into the existing planters. After the plants have withered, this receptacle can be disposed of and a newly planted receptacle can be purchased from the nursery. A cumbersome cleaning of the receptacle and returning to the nursery, as is known in the art, is advantageously no longer necessary.
  • the invention accordingly also relates to a receptacle according to one of claims 1 to 12 as an insert or attachment for an upwardly open planter, which has a bottom wall and side walls, or for a nationwide roof greening. It has been shown that a plurality of juxtaposed receptacle, which are arranged for example in a large planter can form a self-sustaining green roof.
  • the depressions and / or elevations are arranged such that they lead to a stabilization of the plant container or receptacle.
  • the indentations and / or elevations which advantageously have an effect on plant growth can thus advantageously also be used as reinforcement of the thin-walled plant container or receptacle and thus prevent the bottom wall from bending due to the filling with substrate and / or water.
  • the plant container and preferably the receptacle have internal struts. These struts also serve to stabilize and can be easily produced by deep drawing.
  • the plant container and / or the receptacle made of a thermoplastic material, preferably polyethylene, polypropylene or polystyrene.
  • a thermoplastic material preferably polyethylene, polypropylene or polystyrene.
  • the plant container and / or preferably the receptacle consists of a thermoformable, decomposable material.
  • the latter in particular, can be composted in a simple manner, including withered plants, and replaced by a new planted receptacle.
  • the bottom wall of the plant container has overflow elements which extend from the bottom wall up to the maximum filling level, wherein the overflow elements define a downwardly open cavity and at least in the region of the maximum filling height have an opening, wherein the overflow elements preferably the Forming a spacer device.
  • openings are also provided through which air can penetrate past the side wall of the receptacle into the intermediate space located below the receptacle.
  • the fresh air supply ensures a corresponding cooling.
  • optionally formed in the intermediate space fermentation gases can be withdrawn through the opening.
  • the fresh air supply also ensures adequate supply of the roots with oxygen.
  • the receptacle has a recess into which a water level indicator and / or preferably connected to a water supply line water level control device is introduced, wherein the water level control device is preferably a valve in the manner of a float valve.
  • a water level indicator shows the user directly whether re-watering or filling of the plant container with water up to the maximum filling level is required. The user can then do this by irrigating from above and / or from below, as described above.
  • a water level control device connected to a water supply line is preferably introduced into the recess, in particular a valve in the manner of a float valve, a planting device supplying itself with water is provided, in which the water level within the intermediate space is self-regulated.
  • the invention also relates to a valve for water level control of a planter, more preferably according to claim 12, comprising a housing having a water inlet opening and a water outlet opening, wherein the water inlet opening is connected to a water supply line, and a float body which is arranged outside of the valve housing According to the invention, the float body arranged outside the housing is connected via a connecting piece movably guided through the water outlet opening into the interior of the housing to a sealing element which can be closed off from the interior of the housing by the water outlet opening.
  • Housing, floating body, connector and sealing element are in this case designed such that the water flowing through the water supply line with a predetermined pressure or pressure water first flows freely through the inlet opening into the interior of the housing and further on the connector over the water outlet opening from the housing that the Float by the rising outside the housing water level is moved away from the housing and the sealing element thereby pulls from the interior of the housing forth to the water outlet, the water outlet is only completely closed by the acting on the sealing element from the interior of the housing ago water pressure in the flow direction that Subsequently, when the water level drops outside the housing, the float body is moved back toward the housing, the sealing element starting at a certain water level outside the housing s against the water pressure acting in the interior of the housing counter to the flow direction of the outlet opening and the valve opens again.
  • valve allows a simple and in particular reliable water level control, since it closes according to the invention in the flow direction.
  • the valve can be made very small and requires no electrical energy for its operation.
  • the connecting piece is preferably designed as a rod.
  • the housing has a sealing ring encircling the outlet opening, which is arranged between the sealing element and the housing when the valve is closed.
  • the sealing element is particularly advantageously formed as a plate, wherein the plate preferably has on the side facing the outlet opening a sealing ring which rotates when the plate at the outlet opening of the latter.
  • the sealing element is particularly advantageously formed as a teardrop-shaped body.
  • the sealing element can also be particularly advantageously formed as a ball not connected to the connecting piece, which is arranged within a cage below the outlet opening.
  • the valve is made of plastic.
  • a development of the invention provides that the float body is displaceable and lockable on the connecting piece.
  • valve according to the invention is preferably connected to a water supply line having a water pressure of about 0.2 to 1 bar. Since water supply lines of the public water supply network usually have a water pressure of about 2 to 6 bar, it is necessary to provide a pressure control valve.
  • the pressure control valve comprises a housing having two interior spaces communicating with each other through a connection opening, the first space having a water inlet opening connected to a water supply pipe and the second space having a water outlet opening and a connection piece through the connection opening is guided movably from the first to the second space, wherein the part of the connecting piece located in the first space has a sealing element which closes the connecting opening and the part of the connecting piece located in the second space is connected to a spring element arranged on the housing.
  • Housing, spring element, connector and sealing element according to the invention are designed such that the water flowing through the water supply line with a first predetermined pressure water initially unhindered through the inlet opening into the first space of the housing, further through the connection opening on the connecting piece in the second space of the housing and then flows through the water outlet opening from the housing preferably to the valves according to one of claims 14 to 21, which close, forming a water backwater, that the spring element then from a second predetermined, adjusting in the second space water pressure, which is smaller than the first water pressure the water supply line is that pulls the sealing element located in the first space to the connection opening, wherein the connection opening is completely closed by the then acting on the sealing element water pressure of the water supply line in the flow direction, and that the spring element from a certain, the predetermined water pressure in the second space below falling water pressure, which preferably adjusts by re-opening the valves according to one of claims 14 to 21, the sealing element against the set in the first space of the housing water pressure of the water supply line from the connection opening pushes
  • the pressure control valve according to the invention which advantageously requires no electrical energy source, it is achieved that the water pressure is reduced in the desired manner.
  • an optimal valve pressure which is particularly tuned to the weight of the float of the aforementioned valves.
  • the pressure control valve is characterized in particular by the fact that it closes in the flow direction.
  • the connecting piece is designed as a rod.
  • a further development of the invention provides that the housing has a sealing ring encircling the outlet opening, which is arranged between the sealing element and the housing when the valve is closed.
  • the sealing element is designed as a plate, wherein the plate preferably has a sealing ring on the side facing the outlet opening, which rotates when the plate at the outlet opening of the latter.
  • the sealing element can also be designed to be particularly advantageous as a drop-shaped body.
  • a development of the invention provides that the sealing element is designed as a ball not connected to the connecting piece, which is arranged within a cage below the outlet opening.
  • the pressure control valve consists essentially of plastic.
  • the spring element is according to an advantageous embodiment of the invention arranged on the housing or forming part of the housing elastic membrane.
  • the spring element is preferably a compression spring.
  • the connecting piece on the spring element is displaceable and lockable.
  • the invention also relates to a plant care system comprising one or more planting devices according to one of claims 1 to 12 and one or more valves according to one of claims 14 to 21.
  • the plant supply system comprises at least one pressure control valve according to one of claims 22 to 31.
  • FIG. 3 is a plan view of a plant container
  • Fig. 4 is a plan view of a receptacle
  • Fig. 5 shows an inventive valve in cross-section and Fig. 6 shows an inventive pressure control valve in cross section.
  • the box-shaped planting device 10 consists of an upwardly open plant container 12, which has a bottom wall 14 and side walls 16, and an upwardly open receptacle 18 for receiving a plant culture having a bottom wall 20 and side walls 22.
  • the receptacle 18 is formed as a partially retractable essay, wherein the side walls 16, 22 of the plant container 12 and the receptacle 18 are formed such that they are aligned with each other when placing the receptacle 18 on the plant container 12.
  • Both planters 12 and receptacle 18 have internal struts 41 for stabilization. Since the planting device is a thin-walled deep-drawn product, these struts, which can be produced by the deep drawing process, ensure that the side walls of the planting device do not bend apart when the planting device is planted and watered.
  • the planting device 10 has openings 46 through which air can penetrate into the intermediate space, which is located below the receptacle 18 and can not be seen here. In the present case, the openings automatically form when the receptacle is placed on the plant container. This leaves namely gaps between the back of the inner struts 41 of the receptacle 18 and the edge 40 of the plant container 12th
  • the receptacle 18 also has a recess 48 into which a connected to a water supply line, not shown here water level control device is introduced, wherein the water level control device preferably a valve - as shown in Fig. 5 - is -.
  • FIG. 2 the planting device 10 shown in Fig. 1 is shown in half, in a longitudinally cut-open state.
  • the box-shaped planting device 10 consists of an upwardly open plant container 12 having a bottom wall 14 and side walls 16, and from an upwardly open receptacle 18 for receiving a plant culture, which also has a bottom wall 20 and side walls 22.
  • the plant container 12 is provided with spacer means 24, such that the bottom wall 20 of the receptacle 18 is arranged at a distance above the bottom wall 14 of the plant container 12.
  • the bottom wall 14 of the plant container 12 has two overflow elements 28, which are parts of the spacer means 24 and specify the maximum filling level of the plant container 12 with water.
  • the overflow elements 28 in this case extend from the bottom wall 14 up to the maximum filling level, wherein the overflow elements 28 define a downwardly open cavity 42 and in the region of the maximum filling height have an opening 44, can flow through the rising above the maximum filling height of water ,
  • the bottom wall 20 of the receptacle 18 has depressions 30 and elevations 32 of different extent.
  • recesses 30 are present, which end at the same height of the maximum filling height of the plant container 12, and on the other hand recesses 30 are provided which end below the maximum filling height of the plant container 12.
  • the recesses 30 themselves can have different shapes in plan view.
  • Other areas 32 of the bottom wall 20 of the receptacle 18, however, are arranged above the maximum filling level of the plant container 12.
  • the bottom wall 20 of the receptacle 18 also has here for the sake of clarity, not shown openings through which drain water into the gap 26 and / or get out of the gap 26 in the plant culture and / or grow through the roots of the plant culture in the gap 26 can.
  • recesses 36 of the bottom wall 20 of the receptacle 18 are present, which have no openings.
  • the receptacle 18 is a teilversenkenkbarer essay, wherein the side walls 16, 22 of the plant container 12 and the receptacle 18 are aligned.
  • the side walls 22 of the receptacle 18 on a circumferential projection 28, with which the receptacle 18 is placed on the edge 40 of the plant container 12.
  • Plant 12 and receptacle 18 are each made in one piece and saving material by deep drawing. For stabilization, plant 12 and receptacle 18 on inner struts 41, which can be obtained during the deep-drawing process.
  • the receptacle 18 also has a recess 48, in which a valve-as shown in Fig. 5 is shown - for level control can be introduced.
  • receptacle 18 is shown once again in plan view.
  • the upwardly open, box-shaped receptacle 18 serves to receive a plant culture and consists of a bottom wall 20 and side walls 22nd
  • the bottom wall 20 of the receptacle 18 has recesses 30 and elevations 32 of different dimensions and openings 34 through which water can flow and / or enter the plant culture and / or can grow through the roots of the plant culture.
  • Some recesses 36 of the bottom wall 20 of the receptacle 18 have no openings to the and form a kind of additional water storage.
  • the recesses 30 and elevations 32 of the bottom wall 20 of the receptacle 18 are arranged such that they lead to a stabilization of the receptacle 18.
  • the receptacle 18 still inner struts 41, which lead to further stabilization. Such stabilization is required because the receptacle 18 is made to save material by deep drawing.
  • the receptacle 18 also has a recess 48, whose function has already been described.
  • FIG. 4 the plant container 12 is shown once again in plan view.
  • the upwardly open, box-shaped plant container 12 has a bottom wall 14 and side walls 16 and is provided with two spacer means 24 in the form of overflow elements 28 which not shown here receptacle 16 and the bottom wall 20 at a distance above the bottom wall 14 of the plant container 12th hold, so that forms a gap between the bottom walls 14, 20, which can be filled with water.
  • the overflow elements 28 extend from the bottom wall 14 up to the maximum filling level of the plant container 12 with water.
  • the overflow elements 28 define a downwardly open cavity 42, which is not recognizable here, and have an opening 44 in the region of the maximum fill level, through which water rising above the maximum fill level can flow.
  • Fig. 5 an inventive valve 50 for level control is shown in cross section.
  • the valve 50 comprises a housing 52 having a water inlet opening 54 and a water outlet opening 56, wherein the water inlet opening 54 is connected to a water supply line, not shown here.
  • a float body 58 is arranged, which is connected via a through the water outlet opening 56 into the inner space 60 of the housing 52 movably guided connector 62 in the form of a rod with a water outlet opening 56 from the interior 60 of the housing 52 ago sealable seal member 64.
  • the sealing element 64 is designed as a plate, wherein the plate on the side facing the outlet opening 56 side has a sealing ring 66, which rotates when the plate at the outlet opening 56 this.
  • Housing 52, float 58, connector 62 and sealing element 64 are now designed such that the water flowing through the water supply line, not shown here with a predetermined pressure or pressure range water initially unhindered through the inlet opening 54 into the interior 60 of the housing 52 and further on the connector 62nd passes through the water outlet opening 56 from the housing 52.
  • the valve 50 is preferably arranged in the plant container 12 - as shown in FIG. 4 - at the point indicated by the reference numeral 90.
  • the float body 58 is moved away from the housing 52 by the water level rising outside of the housing 52, that is to say within the plant container, wherein it pulls the sealing element 64 from the interior 60 of the housing 52 to the water outlet opening 56.
  • the valve 50 is to be designed according to the water pressure of the water supply line.
  • the valve 50 can be designed to be particularly small when the voltage applied to the valve water pressure is approximately between 0, 2 and 1 bar.
  • the valve 50 can be made of plastic very inexpensively.
  • the float body 58 is displaceable on the connecting piece 62 and can be locked on the connecting piece 62 by suitable means, for example latching means 92. This makes it possible to adjust the valve 50 with respect to the desired water level.
  • Fig. 6 the pressure control valve 68 according to the invention for water level control of a plant container 12 in conjunction with a valve 50 is shown in cross section.
  • the pressure control valve 68 includes a housing 70 having two interior spaces 72, 74 communicating with each other through a communication port 76.
  • the first space 72 has a water inlet opening 78 which is connected to a water supply line.
  • the second space 74 has a water outlet opening 80.
  • a connecting piece 82 is provided in the form of a rod which is movably guided by the connecting opening 76 from the first 72 into the second space 74, wherein the part of the connecting piece 82 located in the first space 72 has a sealing element 84 which closes the connecting opening 76 and which is in the second space 74 located part of the connecting piece 82 is connected to a arranged on the housing 70 spring element 86.
  • the sealing element 84 is presently designed as a plate, wherein the plate has a sealing ring 88 on the side facing the connection opening 76 side, which rotates when the plate at the connection opening 76 of these.
  • the spring element 86 is a part of the housing 70 forming elastic membrane.
  • Housing 70, spring element 86, connecting piece 82 and sealing element 84 are now designed such that the water flowing through the water supply line at a first predetermined pressure, which may for example be 2 to 6 bar, initially unhindered through the inlet opening 78 into the first space 72nd of the housing 70, further through the connection opening 76 on the connecting piece 82 over into the second space 74 of the housing 70 and then through the water outlet opening 78 from the housing 70 preferably to the valve 50 -as it is shown in Fig. 5 - flows until it closes, wherein a backwater forms.
  • a first predetermined pressure which may for example be 2 to 6 bar
  • the spring element 86 then pulls from a second predetermined, adjusting in the second space 74 water pressure, for example at 0.2 to 1 bar, which is smaller than the first water pressure of the water supply line, the sealing element 84 located in the first space 72 to the connection opening 76, wherein the connection opening 76 is completely closed by the then acting on the sealing element 84 water pressure of the water supply line in the flow direction.
  • valve 50 opens - as shown in Fig. 5 -, the water pressure within the second space 74 is again smaller.
  • the spring element 86 now presses from a certain, the predetermined water pressure in the second space 74 below falling water pressure, which is adjusted by said opening of the valve 50, the sealing element 84 against the in the first space 72 of Housing 52 adjusted water pressure of the water supply line from the connection opening 76 away, so that the pressure control valve 68 against the flow direction opens again.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Abstract

L'invention concerne un dispositif à plantes (10) comportant un contenant à plantes (12) ouvert vers le haut et un contenant de réception (18) ouvert vers le haut, destiné à recevoir une culture de plantes. Le contenant à plantes (12) et/ou le contenant de réception (18) sont pourvus d'un système d'espacement (24) de telle manière que la paroi de base (20) du contenant de réception (18) est située à un espace au-dessus de la paroi de base (14) du contenant à plantes (12), l'espace intermédiaire (26) délimité par les deux parois de base (14, 20) pouvant être rempli d'eau. Le dispositif à plantes (10) comporte au moins un élément de trop-plein (28) définissant la hauteur de remplissage en eau maximale du contenant à plantes (12) ou au moins un élément indicateur indiquant la hauteur de remplissage en eau maximale du contenant à plantes (12). Selon l'invention, la paroi de base (20) du contenant de réception (20) présente des cavités (30) et/ou des saillies (32) de tailles variables, de telle manière qu'au moins certaines zones de la paroi de base (20) du contenant de réception (18) sont situées à la même hauteur et/ou de préférence plus bas que la hauteur de remplissage maximale du contenant à plantes (12) et au moins certaines autres zones de la paroi de base (20) du contenant de réception (18) sont situées plus haut que la hauteur de remplissage maximale du contenant à plantes (12). La paroi de base (20) du contenant de réception (18) présente des ouvertures (34) au travers desquelles de l'eau peut s'écouler dans l'espace intermédiaire (26) et/ou s'écouler de l'espace intermédiaire (26) vers la culture de plantes et/ou des racines de la culture de plantes peuvent pousser dans l'espace intermédiaire (26).
EP06742292A 2005-06-03 2006-04-27 Systeme d'alimentation de plantes compose d'un dispositif a plantes, d'une soupape et d'une soupape de commande de pression Withdrawn EP1885172A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005025968 2005-06-03
PCT/DE2006/000749 WO2006128414A2 (fr) 2005-06-03 2006-04-27 Systeme d'alimentation de plantes compose d'un dispositif a plantes, d'une soupape et d'une soupape de commande de pression

Publications (1)

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EP06742292A Withdrawn EP1885172A2 (fr) 2005-06-03 2006-04-27 Systeme d'alimentation de plantes compose d'un dispositif a plantes, d'une soupape et d'une soupape de commande de pression

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NL2009794C2 (nl) 2012-11-13 2014-05-14 Hevorma B V Groei-inrichting voor gewas, gebruik van een dergelijke inrichting, en een reeks groei-inrichtingen.

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DE2061201A1 (de) * 1969-12-12 1971-06-24 Svanebergs Miljoefoerbaettring Pflanzenzuchtkasten
FR2088657A5 (fr) * 1970-04-21 1972-01-07 Meynier Pierre
WO1999040775A1 (fr) * 1998-02-13 1999-08-19 Marc Andre Valiquette Ameliorations relatives a la culture des plantes

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DE29714151U1 (de) 1996-11-28 1997-12-04 Müller, Siegfried, Dipl.-Ing., 31275 Lehrte Pflanzvorrichtung
CA2275673A1 (fr) * 1998-06-23 1999-12-23 Andre Dion Dispositif d'arrosage et de conteneurisation des plantes
DE19918418C1 (de) * 1999-04-23 2000-10-19 Siegfried Mueller Pflanzvorrichtung mit Halterung
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DE2061201A1 (de) * 1969-12-12 1971-06-24 Svanebergs Miljoefoerbaettring Pflanzenzuchtkasten
FR2088657A5 (fr) * 1970-04-21 1972-01-07 Meynier Pierre
WO1999040775A1 (fr) * 1998-02-13 1999-08-19 Marc Andre Valiquette Ameliorations relatives a la culture des plantes

Non-Patent Citations (1)

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See also references of WO2006128414A2 *

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WO2006128414A2 (fr) 2006-12-07
WO2006128414A3 (fr) 2007-03-22

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