CN203120625U

CN203120625U - Hydroponic bed set

Info

Publication number: CN203120625U
Application number: CN2013201116203U
Authority: CN
Inventors: 余远鋆; 潘隆生
Original assignee: Delta Optoelectronics Inc
Current assignee: Delta Optoelectronics Inc
Priority date: 2013-03-12
Filing date: 2013-03-12
Publication date: 2013-08-14
Anticipated expiration: 2023-03-12

Abstract

A hydroponic bed set comprises a base plate, a water bed and a planting plate. The base plate comprises a first base plate and a plurality of first side walls, and the first side walls are connected to the periphery of the first base plate to form a first accommodating space. The water bed is accommodated in the first accommodating space and comprises a second base plate and a plurality of second side walls. The second base plate is provided with a plurality of protrusions, and the second side walls are connected to the periphery of the second base plate to form a second accommodating space. The planting plate is accommodated in the second accommodating space and is provided with a plurality of openings arranged corresponding to the protrusions.

Description

Water is ploughed the bed group

Technical field

The utility model relates to a kind of water and ploughs the bed group.

Background technology

Water-cultivating (being called the cultivation of soilless culture or foster liquid again) is exactly to utilize suitable facility and medium, and foster liquid, moisture and air that plant is required are supplied in its root, thereby need not to use the science cultivation method of soil.At present common water-cultivating method include circulation type, nutrient solution thin film technique (Nutrient film technique, NFT) and dark liquid flowing water plough technology (Deep flow technique, DFT) etc.Yet most water-cultivating method needs the water bed of splendid attire culture fluid, when the nutrient component in the culture fluid (concentration) is reduced to a certain degree or water level and is down to a certain degree by plant absorbing, just must change or add the culture fluid in the water bed.

It is to be the Poly Foam material that existing water is ploughed water bed, and the inboard plastic cement waterproof cloth of laying of bed body is as the bed groove, but the plastic cement waterproof cloth also can't bear a large amount of liquid flows, therefore at set intervals, the surface of plastic cement waterproof cloth just can form the micropore hole, and cause the situation of leaking, and then damage the LED light fixture.There is no desirable solution at present, can only be by changing the plastic cement waterproof cloth at set intervals, not only bother and help limited.Moreover, the plantation scale (area) of water-cultivating is quite big at present, normally plough water bed (each width is about 1 meter) with about 10～15 water and form about 10～15 meters long water topsoil frame of a row, and interconnective sidewall is to link a plurality of water beds between the cultivated water bed of dismounting water, so water topsoil frame of each row, it takes advantage of a plurality of water that carry to plough water bed and the plastic cement waterproof cloth is interconnected, and the weight of culture fluid makes changes more difficulty.In addition, the scale of water bed is big, more needs to carry more culture fluid, and the structure of the cultivated water bed of water then must be firmer, so existing also have the hard plastic of use or metal water bed, but the water bed of this type is too heavy.

Therefore, how to design a kind of water and plough the bed group, can change the plastic cement waterproof cloth no longer frequently, simple and easy replacing culture fluid, and material a large amount of culture fluid of lightly can loading have again become one of important topic.

Summary of the invention

Because above-mentioned problem, the purpose of this utility model is ploughed the bed group for a kind of water is provided, and can change the plastic cement waterproof cloth no longer frequently, simple and easy replacing culture fluid, and material a large amount of culture fluid of lightly can loading again.

For reaching above-mentioned purpose, plough the bed group according to a kind of water of the utility model, comprise a chassis, a water bed and a planting plate.The chassis has one first base plate and a plurality of the first side wall, and the first side wall is linked to the periphery of first base plate, to constitute one first accommodation space.Water bed is placed in first accommodation space, and water bed has one second base plate and a plurality of second sidewall, and second base plate has a plurality of protuberances, and second sidewall is linked to the periphery of second base plate, to constitute one second accommodation space.Planting plate is placed in second accommodation space, and planting plate has a plurality of openings, and opening is corresponding to the protuberance setting.

In the utility model one preferred embodiment, protuberance be arranged in parallel and arranged spaced in second base plate.

In the utility model one preferred embodiment, second base plate has more a plurality of water deflector, is arranged at respectively between the protuberance of arranged spaced, to form at least one channel.

In the utility model one preferred embodiment, second base plate has more a plurality of water deflector, and water deflector connects protuberance, to form at least one channel.

In the utility model one preferred embodiment, water deflector is second sidewall of staggered two offsides of butt respectively.

In the utility model one preferred embodiment, planting plate has more a plurality of extensions, is connected to opening.

In the utility model one preferred embodiment, planting plate has more a plurality of portions of planting, and opening is arranged at the portion of planting respectively.

In the utility model one preferred embodiment, the portion of planting is interconnected to form staggered structure.

In the utility model one preferred embodiment, chassis and water bed have stackable structure.

In the utility model one preferred embodiment, the first side wall and second sidewall are the configuration that cooperatively interacts.

In the utility model one preferred embodiment, the chassis more comprises a discharge structure, and discharge structure is arranged at first base plate.

In the utility model one preferred embodiment, chassis or water bed are towards the lopsidedness of discharge structure.

In the utility model one preferred embodiment, second holding space for holding, one culture fluid, the height of planting plate to the second base plate are 1.5 times of culture fluid height.

In the utility model one preferred embodiment, the chassis is the base plate of waterproof and highdensity foam material.

In the utility model one preferred embodiment, this chassis is the chassis of waterproof and highdensity foaming ethene polymers or expanded polystyrene (EPS) material.

From the above, the cultivated bed group of water of the present utility model is made of jointly chassis, water bed and planting plate, wherein, and by the design of chassis and two kinds of assemblies of water bed, can directly change liquid (culture fluid) by water bed, to solve the existing frequent inconvenience of changing the plastic cement waterproof cloth.And water bed of the present utility model has the design of protuberance, more can save the consumption of liquid, alleviates water and ploughs the whole burden of bed group, a total quality that makes water plough the bed group a large amount of liquid of lightly can loading again.When the opening part of plant cultivating in planting plate, the root of plant more can fall to placing the surface of protuberance, and the root of plant is launched, and absorbs the nutrient component in the liquid fully to guarantee plant.In addition, the perturbation the when design of protuberance more can increase liquid flow can make liquid keep enough oxygen content, and be difficult for presenting the stagnant water state.

In addition, the discharge structure that the chassis has can solve the existing frequent inconvenience of changing the plastic cement waterproof cloth equally.The design of the water deflector of more can arranging in pairs or groups, the direction of adjustment liquid flow is directed to discharge structure with culture fluid.In addition, water deflector is set after, compared to the water bed on plane, because liquid is the part of channel of flowing through, but not whole water bed, so can reduce the usage amount of liquid.In addition, chassis and water bed have stackable structure, thus can pile up to reach the effect of saving the space mutually, and then save storage, shipment and delivery cost.

Description of drawings

Fig. 1 is the schematic diagram of ploughing the bed group according to the water of the utility model first embodiment.

Fig. 2 is that water shown in Figure 1 is ploughed the decomposing schematic representation of bed group.

Fig. 3 A is that water shown in Figure 1 is ploughed the cut-away section schematic diagram of bed group.

Fig. 3 B is the schematic diagram that the water shown in Fig. 3 A is ploughed bed group serike.

Fig. 4 A and Fig. 4 B are according to chassis shown in Figure 2 and the generalized section of another embodiment of water bed.

Fig. 5 is the schematic diagram of ploughing the bed group according to the water of the utility model second embodiment.

Fig. 6 is the schematic diagram according to the water bed of the utility model the 3rd embodiment.

Fig. 7 is the schematic diagram according to the water bed of the utility model the 4th embodiment.

Fig. 8 A is the cut-away section schematic diagram after water shown in Figure 5 is ploughed the combination of bed group.

Fig. 8 B is the schematic diagram that the water shown in Fig. 8 A is ploughed bed group serike.

Fig. 9 is the part schematic diagram of another embodiment of the planting plate shown in Fig. 8 A.

Figure 10 is the schematic diagram according to the planting plate of the utility model the 5th embodiment.

Figure 11 is the schematic diagram according to the planting plate of the utility model the 6th embodiment.

Wherein, description of reference numerals is as follows:

The utility model:

1,1a, 1b, 1c: water is ploughed the bed group

11,11a, 11b, 11c, 11f: chassis

111,111b: first base plate

112: the first side wall

113,113a, 113b: discharge structure

12,12a, 12b, 12c, 12d, 12e, 12f: water bed

121,121a, 121b, 121c: second base plate

122,122c, 122d, 122e: second sidewall

123,123a, 123b: discharge outlet

124,124c, 124d, 124e, 124f: protuberance

125c, 125d, 125e, 125f: water deflector

126c, 126d, 126e: channel

13,13c, 13f, 13g, 13h: planting plate

131,131c: water filling port

132,132c, 132f, 132g, 132h: opening

133,133c, 133g, 133h: the portion of planting

134,134c, 134g: rib

135f: extension

2c, 2f: sponge

C: drainage channel

M: culture fluid

S ₁: first accommodation space

S ₂: second accommodation space

Embodiment

Hereinafter with reference to correlative type, illustrate according to the utility model preferred embodiment water and plough the bed group that wherein components identical will be illustrated with identical reference marks.

Fig. 1 is the schematic diagram of ploughing the bed group according to the water of the utility model first embodiment, and Fig. 2 is that water shown in Figure 1 is ploughed the decomposing schematic representation of bed group, please also refer to Figure 1 and Figure 2.The water of the utility model one embodiment is ploughed bed group 1 and is comprised chassis 11, a water bed 12 and a planting plate 13.Wherein, chassis 11 has one first base plate 111 and a plurality of the first side wall 112, and the first side wall 112 is linked to the periphery of first base plate 111, to constitute one first accommodation space S ₁In present embodiment, first base plate 111 is quadrangle, and chassis 11 has four the first side walls 112, is linked to four side peripheries of first base plate 111 respectively.In other embodiment, first base plate 111 also can be other polygons or irregular shape, only need have the corresponding binding with it of the first side wall 112 of sufficient amount to form the first accommodation space S ₁, and configuration and chassis 11 corresponding the getting final product of water bed 12 and planting plate 13, the utility model is not as limit.

Wherein, water bed 12 has one second base plate 121 and a plurality of second sidewall 122, and same, second sidewall 122 is linked to the periphery of second base plate 121, to constitute one second accommodation space S ₂Chassis 11 is corresponding mutually with the configuration of water bed 12, makes water bed 12 can be placed in the first accommodation space S ₁Preferable, the first side wall 112 and second sidewall 122 are the configuration that cooperatively interacts, and make chassis 11 and water bed 12 be formed with stackable structure.In present embodiment, be in stair-stepping mode, but the utility model does not limit its aspect, also can be modes such as inclined-plane, pile up to reach the effect of saving the space mutually.In addition, chassis 11, water bed 12 and planting plate 13 also can be designed to stackable structure respectively separately, a plurality of chassis 11, a plurality of water bed 12 and a plurality of planting plate 13 can be piled up respectively mutually, reach the effect that reduction takes up space equally, and then save storage, shipment and delivery cost.

As shown in Figure 2, planting plate 13 is placed in the second accommodation space S ₂, generally speaking, water bed 12 is placed in the chassis 11 formed first accommodation space S ₁, and planting plate 13 is placed in the water bed 12 formed second accommodation space S ₂Fig. 3 A is that water shown in Figure 1 is ploughed the cut-away section schematic diagram of bed group, and Fig. 3 B is the schematic diagram that the water shown in Fig. 3 A is ploughed bed group serike, please also refer to shown in Fig. 2 to Fig. 3 B.Wherein, serike on planting plate 13, and support stem leaves of plants, and in the second accommodation space S ₂Fill culture fluid M(and also can be water or other liquid, as anti-icing fluid, corrosion protection liquid ... Deng), allow the root absorption culture fluid M of plant.Plough in water in the design of bed group 1, planting plate 13 has a water filling port 131(as shown in Figure 2), in injecting liquid in the second accommodation space S herein ₂In, and have discharge outlet 123 on the water bed 12, and chassis 11 more comprises a discharge structure 113, be arranged at first base plate 111.Wherein, discharge outlet 123 and discharge structure 113 the position is set and configuration is corresponding mutually, with the drainage channel C(that forms one as shown in Figure 3A, what must indicate is, Fig. 3 A those shown ploughs bed group 1 is somebody's turn to do the place in discharge structure 113 and discharge outlet 123 cut-away section schematic diagram for water), discharge culture fluid M whereby.And it is preferable, water filling port 131 is positioned at two offsides (as shown in Figure 2) that water is ploughed bed group 1 with discharge outlet 123, when guaranteeing to replace new culture fluid M, old culture fluid M(is that nutrient component has been absorbed by plant and the culture fluid M that reduces) discharge really, can residual too much old culture fluid M.

Fig. 4 A and Fig. 4 B are according to chassis shown in Figure 2 and the generalized section of another embodiment of water bed.In other embodiment, water bed 12a or chassis 11b can be designed to towards discharge outlet 123a(or discharge structure 113b) the oblique aspect of this inclination, for example, shown in Fig. 4 A, directly the second base plate 121a is designed to away from the thickness of this side of the discharge outlet 123a thickness greater than this side of discharge outlet 123a, or shown in Fig. 4 B, the first base plate 111b is designed to away from the thickness of this side of the discharge structure 113b thickness greater than this side of discharge structure 113b, when water bed 12b is set up in chassis 11b, the second base plate 121b of water bed 12b forms toward the aspect of discharge outlet 123b inclination, and preferable, formed gradient is about 4 degree.Therefore, except the impact strength that liquid flow itself has, the water bed 12a(12b of inclination aspect) more can provide the liquid gravity acceleration, with the speed that accelerating liquid flows, can guarantee that more liquid is really from discharge outlet 123a(123b) discharge.

Multiple second base plate 121 has a plurality of protuberances 124 with reference to shown in figure 2 and Fig. 3 A, and planting plate 13 has a plurality of openings 132, and opening 132 arranges corresponding to protuberance 124.The utility model does not limit the aspect of protuberance 124, can only be required to be in the structure of second base plate, 121 projectioies such as but not limited to taper shape, polygon cylinder or any difform three-dimensional shape.In addition, the utility model does not also limit the configuration aspect of protuberance 124 and opening 132, only needs corresponding mutually.Shown in Fig. 3 B, plant cultivating is in opening 132 places of planting plate 13, and the root of plant can fall to placing the surface of protuberance 124, and the protuberance 124 of present embodiment is conical, so making the root of plant be able to 360 degree ground launches, and the protuberance 124 of other configurations also can make the expansion of the root appropriateness of plant, absorbs the nutrient component in the liquid fully to guarantee plant.Therefore, opening 132 and protuberance 124 corresponding setting mutually.In addition, the perturbation the when design of protuberance 124 more can increase liquid flow can make liquid keep enough oxygen content, and be difficult for presenting the stagnant water state, more can save the consumption of liquid, alleviates the burden that water is ploughed bed group 1 integral body.

Fig. 5 is the schematic diagram according to the cultivated bed group of the water of the utility model second embodiment, and what need indicate is to Figure 5 shows that the schematic diagram after water bed 12c and chassis 11c make up.Please refer to shown in Figure 5, preferable, protuberance 124c be arranged in parallel and arranged spaced in the second base plate 121c, wherein, the second base plate 121c has more a plurality of water deflector 125c, arranges respectively between the protuberance 124c of arranged spaced, to form at least one channel 126c.And by the water deflector 125c configuration mode of the second sidewall 122c of staggered two offsides of butt respectively, to influence the flow direction of liquid, in present embodiment, water deflector 125c is the second sidewall 122c of staggered two minor faces of butt (being two opposite sides) respectively, controls the flow direction (shown in Fig. 5 direction of arrow) of liquid whereby.In other embodiment, also can the interlock second sidewall 122c on two long limits of butt of water deflector 125c, the present invention is not as limit.Certainly, the shape of protuberance 124c and water deflector 125c spacing and size can the user demand and adjust, when for example Zai Zhong plant volume was big, spacing and size thereof between each protuberance 124c just can increase, and the setting of water deflector 125c also can be adjusted simultaneously.The design of water deflector 125c is except the direction that can adjust liquid flow, compared to the water bed on plane, because liquid is the part of channel 126c of flowing through, but not whole water bed, so can reduce the usage amount of liquid.

Fig. 6 is the schematic diagram according to the water bed of the utility model the 3rd embodiment, as shown in Figure 6, water deflector 125d also can present discontinuous state, between the discontinuous protuberance 124d that is arranged at arranged spaced, to form multiple support channels 126d, the water bed 12d of this aspect more can make fluid irregular mobile, to increase the working fluid oxygen content.

Fig. 7 is the schematic diagram according to the water bed of the utility model the 4th embodiment, as shown in Figure 7, water deflector 125e also can connect protuberance 124e, in this embodiment, because water deflector 125e and protuberance 124e interconnect, can increase the intensity of water deflector 125e to form at least one channel 126e, make the thickness of water deflector 125e can be less than water deflector 125c(or 125d) thickness, form broad channel 126e, hold more liquid, reduce the number of times of changing liquid.Therefore, can select to use the configuration mode of water deflector 125c, water deflector 125d or water deflector 125e according to user's demand.

Fig. 8 A is the A-A line generalized section after water shown in Figure 5 is ploughed the combination of bed group, please also refer to shown in Fig. 5 and Fig. 8 A.Planting plate 13c has more a plurality of 133c of portion that plant, and opening 132c is arranged at the 133c of portion that plants respectively.In present embodiment, the portion 133c of planting is strip, is arranged parallel to each other, and a plurality of opening 132c are set on each 133c of portion that plants in regular turn, and is same, and shown in Fig. 8 A, the corresponding protuberance 124c in the position of opening 132c arranges.As shown in Figure 5, planting plate 13c has more rib 134c and connects two 133c of portion that plant, and in practical application, the height of rib 134c can be designed to the mutual butt with water deflector 125c, increases the intensity of planting plate by water deflector 125c.

Fig. 8 B is the schematic diagram that the water shown in Fig. 8 A is ploughed bed group serike, please refer to shown in Fig. 8 B.When plantation, can put sponge 2c or the foam of other types in opening 132c, in order to support the stem of plant, make plant maintain the state that the root that plant is only arranged is immersed in culture fluid M, and then avoid the stem of plant to be soaked in culture fluid M, and cause addling of plant.Preferable, the height of planting plate 13c to the second base plate 121c is 1.5 times of culture fluid M height.

Fig. 9 is the part schematic diagram of another embodiment of the planting plate shown in Fig. 8 A, please refer to shown in the figure.Preferable, planting plate 13f has more a plurality of extension 135f, is connected to opening 132f, i.e. and opening 132f place extension has extension 135f, makes the mode with reel that sponge 2f can be firm fill in opening 132f, promotes the effect of the stem that supports plant.And except planting plate 13c(13f) opening 132c(132f) have the different aspects, its 133c of portion that plants also can have different enforcement aspects.

Figure 10 is the schematic diagram according to the planting plate of the utility model the 5th embodiment, as shown in figure 10, for example, the portion 133g of planting is interconnected to form staggered structure, the 133g of portion that namely plants interconnects in criss-cross mode, and rib 134g is partitioned into discontinuous aspect, strengthen the intensity of planting plate 13g whereby.Preferable, be long 100 centimetres, wide 60 to 70 centimetres planting plate 13g(13,13c in specification) go up 50 opening 132g of configuration, effectively separating, and provide plant (crop) best growing space.In addition, Figure 11 is the schematic diagram according to the planting plate of the utility model the 6th embodiment, as shown in figure 11, the mood that more can cooperate plant early stage (referring generally to the period of germination just), adjust the aspect of planting plate 13h, increase the closeness of the 133h of the portion configuration of planting, and then increase the quantity of opening 132h, preferable, go up 200 opening 132h of configuration in specification for 100 centimetres of length, wide 65 centimetres planting plate 13h.What need indicate in addition is that the protuberance of water bed also must cooperate the configuration relation of opening and adjust.

In addition, chassis 11 can be waterproof and highdensity foam material, plastics or metal material.In present embodiment, chassis 11 is waterproof and highdensity foam material, and foam material is for can for example being but the ethene polymers that is not limited to foam (Expandable Polypropylene, EPO), expanded polystyrene (EPS) (Expandable Polystyrene, EPS) or polyethylene foamed (Expandable Polyethylene, EPE) etc.Preferable, can use the foaming ethene polymers (EPO) of frothing percentage between 15 to 55, or the polyethylene foamed (EPE) of frothing percentage between 5 to 40, or the expanded polystyrene (EPS) (EPS) of frothing percentage between 20 to 40.Use waterproof and highdensity foam material can make water plough the effect that bed group 1 reaches lighting.What must illustrate is the selection of the number of aforementioned foam material or other similar Material Selection, its frothing percentage ... Deng, variant because of actual user demand, only all should belong to the concept that the utility model discloses, but not in order to limit the utility model.

Water bed 12 can use thermoplastic to make the goods of water proofing property with planting plate 13, can be such as but not limited to polypropylene (Polypropylene, PP), polyvinyl chloride (Polyvinyl chloride, PVC) or polyethylene (Polyethylene, thermoplasticity material such as PE), wherein, the overall structure of water bed 12 and planting plate 13 all can ejection formation mode make, be example with water bed 12, protuberance 124, water deflector 125c(Fig. 5 as the aforementioned), or discharge outlet 123 etc.Be example with planting plate 13 in addition, water filling port 131, opening 132, the portion 133 of planting, rib 134c(Fig. 5) or extension 135f(Fig. 8) etc. structure all can ejection formation mode form the structure of one.And the structure of the existing Poly Foam material of thermoplasticity material is better firm, and the utility model preferred embodiment only water bed 12 use thermoplastic with the part of planting plate 13, foam material is used on 11 on chassis, can keep the lighting that water is ploughed bed group 1 integral body.

In sum, the cultivated bed group of water of the present utility model is made of jointly chassis, water bed and planting plate, wherein, and by the design of chassis and two kinds of assemblies of water bed, can directly change liquid (culture fluid) by water bed, to solve the existing frequent inconvenience of changing the plastic cement waterproof cloth.And water bed of the present utility model has the design of protuberance, more can save the consumption of liquid, alleviates water and ploughs the whole burden of bed group, a total quality that makes water plough the bed group a large amount of liquid of lightly can loading again.When the opening part of plant cultivating in planting plate, the root of plant more can fall to placing the surface of protuberance, and the root of plant is launched, and absorbs the nutrient component in the liquid fully to guarantee plant.In addition, the perturbation the when design of protuberance more can increase liquid flow can make liquid keep enough oxygen content, and be difficult for presenting the stagnant water state.

The above only is illustrative, but not is restricted person.Anyly do not break away from spirit of the present utility model and category, and to its equivalent modifications of carrying out or change, all should be contained in the appended claim.

Claims

1. a water is ploughed the bed group, it is characterized in that, comprising:

One chassis has one first base plate and a plurality of the first side wall, and those the first side walls are linked to the periphery of this first base plate, to constitute one first accommodation space;

One water bed is placed in this first accommodation space, and this water bed has one second base plate and a plurality of second sidewall, and this second base plate has a plurality of protuberances, and those second sidewalls are linked to the periphery of this second base plate, to constitute one second accommodation space; And

One planting plate is placed in this second accommodation space, and this planting plate has a plurality of openings, and those openings arrange corresponding to those protuberances.

2. water as claimed in claim 1 is ploughed the bed group, it is characterized in that, those protuberances be arranged in parallel and arranged spaced in this second base plate.

3. water as claimed in claim 2 is ploughed the bed group, it is characterized in that this second base plate also has a plurality of water deflector, is arranged at respectively between those protuberances of arranged spaced, to form at least one channel.

4. water as claimed in claim 2 is ploughed the bed group, it is characterized in that this second base plate also has a plurality of water deflector, and those water deflector connect those protuberances, to form at least one channel.

5. plough the bed group as claim 3 or 4 described water, it is characterized in that those water deflector are second sidewall of staggered two offsides of butt respectively.

6. water as claimed in claim 1 is ploughed the bed group, it is characterized in that this planting plate also has a plurality of extensions, is connected to those openings.

7. water as claimed in claim 1 is ploughed the bed group, it is characterized in that this planting plate also has a plurality of portions of planting, and those openings are arranged at those portions of planting respectively.

8. water as claimed in claim 7 is ploughed the bed group, it is characterized in that those portions of planting are interconnected to form staggered structure.

9. water as claimed in claim 1 is ploughed the bed group, it is characterized in that this chassis and this water bed have stackable structure.

10. water as claimed in claim 9 is ploughed the bed group, it is characterized in that those the first side walls and those second sidewalls are the configuration that cooperatively interacts.

11. water as claimed in claim 1 is ploughed the bed group, it is characterized in that this chassis also comprises a discharge structure, this discharge structure is arranged at this first base plate.

12. water as claimed in claim 11 is ploughed the bed group, it is characterized in that this chassis or this water bed are towards the lopsidedness of this discharge structure.

13. water as claimed in claim 1 is ploughed the bed group, it is characterized in that, this second holding space for holding, one culture fluid, this planting plate to the height of this second base plate are 1.5 times of this culture fluid height.

14. water as claimed in claim 1 is ploughed the bed group, it is characterized in that this chassis is the chassis of waterproof and highdensity foam material.

15. water as claimed in claim 1 is ploughed the bed group, it is characterized in that this chassis is the chassis of waterproof and highdensity foaming ethene polymers or expanded polystyrene (EPS) material.