WO1982000077A1 - Planting table - Google Patents

Planting table

Info

Publication number
WO1982000077A1
WO1982000077A1 PCT/DK1981/000064 DK8100064W WO8200077A1 WO 1982000077 A1 WO1982000077 A1 WO 1982000077A1 DK 8100064 W DK8100064 W DK 8100064W WO 8200077 A1 WO8200077 A1 WO 8200077A1
Authority
WO
WIPO (PCT)
Prior art keywords
planting table
planting
air
cfl
space
Prior art date
Application number
PCT/DK1981/000064
Other languages
French (fr)
Inventor
Isolering Frode Hansen Skjerbo
Original Assignee
Hansen F
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 Hansen F filed Critical Hansen F
Priority to NL8120257A priority Critical patent/NL8120257A/nl
Priority to DE813152167T priority patent/DE3152167A1/en
Publication of WO1982000077A1 publication Critical patent/WO1982000077A1/en

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
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • A01G9/1423—Greenhouse bench structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Definitions

  • the present invention relates to a planting table for greenhouses and of the kind where the surface is water-resistant and supplied with a number of irrigation furrows.
  • the object of the present invention is to indicate a planting table for the forcing of cuttings, which causes a considerable reduction of the heating costs compared to the well-known planting tables, and which causes a possibility of an optimum forcing of several different species of plants in the same greenhouse.
  • the planting table may according to claim 2 be characterized in that it is supplied with air channels along the sides of the planting table and across the middle of the planting table, that these air channels are connected with the air space over the heating units of the planting table, and that the air space at the ends of the planting table is connected to the house over the planting table.
  • an air circulation over the planting table is obtained that ensures the best possible heat utilization.
  • the planting table can be characterized in that it has thermostatically controlled intake of heat, and that thermostatic coils are present partly in the air space over the heating units and partly in the house above the planting table. In this way it is possible to control the air temperatur over the planting table corresponding to the culture in question.
  • the planting table can be characterized in that a heat reflecting, shade affording curtain is arranged in the roof of the house. This results in a very small waste of heat to the environments.
  • Pig. 1 shows a transversal, vertical section of the planting table according to the invention
  • Pig. 2 shows a sectional view along the line II-II of Fig. 1.
  • a horizontal dividing plate may be mounted in the space 6, under which plate the hot inlet air distributes, and where there are openings at the side for the inlet to the upper part of the space under the heat-conducting plate 4 and the plastic plate 1. Prom this upper space the air is sucked out for re-heating.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Greenhouses (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Indole Compounds (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

When forcing cuttings in greenhouses a considerable waste of heat takes place due to the heating of an unnecessarily great volume of air. In order to reduce the energy consumption a planting table with water-resistant surface (1) and irrigation furrows (3) is used, which planting table is supplied with a house consisting of clear plastic foil (10) stretched across metal hoops (11). Under the surface (1) of the planting table heating units (5) and an air space (6) are arranged which is connected with air channels (9) in the sides and middle of the planting table. The heating units (5) are thermostatically controlled.

Description

P L A N T I N G T A B L E
The present invention relates to a planting table for greenhouses and of the kind where the surface is water-resistant and supplied with a number of irrigation furrows.
When forcing seedlings or cuttings in a greenhouse detached planting tables are usually used. Thus the planting tables in same greenhouse are exposed to the same climate, which limits the number of species of plants that can be forced under optimum conditions. The forcing of cuttings in a large greenhouse is uneconomic as an unnecessarily large quantity of air has to be heated. This method causes that plants with different growth conditions cannot be forced simulta- neously in the same greenhouse.
The object of the present invention is to indicate a planting table for the forcing of cuttings, which causes a considerable reduction of the heating costs compared to the well-known planting tables, and which causes a possibility of an optimum forcing of several different species of plants in the same greenhouse.
This object is achieved when a space for the air circulation is arranged under the surface of the table, when a number of heating units are mounted in this space, when an insulating material and. if desired, a heat reflecting material is placed under these heating units, and when a house of light permeable material is arranged above the table. Thus an optimum growth climate can be achieved in the relatively small house when using a small consumption of energy, fertilizers, and water. The planting table may according to claim 2 be characterized in that it is supplied with air channels along the sides of the planting table and across the middle of the planting table, that these air channels are connected with the air space over the heating units of the planting table, and that the air space at the ends of the planting table is connected to the house over the planting table. Hereby an air circulation over the planting table is obtained that ensures the best possible heat utilization.
According to claim 3 the planting table can be characterized in that it has thermostatically controlled intake of heat, and that thermostatic coils are present partly in the air space over the heating units and partly in the house above the planting table. In this way it is possible to control the air temperatur over the planting table corresponding to the culture in question.
Finally, according to claim 4 the planting table can be characterized in that a heat reflecting, shade affording curtain is arranged in the roof of the house. This results in a very small waste of heat to the environments.
The invention will be further explained with reference to the drawing, where
Pig. 1 shows a transversal, vertical section of the planting table according to the invention, and Pig. 2 shows a sectional view along the line II-II of Fig. 1. V >J ro IV) H* l-i vπ O VJΠ 0 v-π O
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Φ Φ P 4 Ct Cfl P P H- 0 ct IV) l-!' Φ P Φ I
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•- en ω Φ •d O •- P ti ^ Ct H* P O 0 , P-
<-<. ω •d P- H* tJ ct oq c tr Ω ct •- 3 •d 0 P
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Φ H* D" 3 P- P* H Cfl tr 3 4 O cr ct •- Φ 1 Φ Φ H* Φ 0 H- ct _ 1 • Cfl 1 •-t pipes to the space 6, which pipes run under the whole planting table, and which pipes are provided with evenly distributed inlet pipe branches, leading into the bottom of the space over the insulation 8. From here the warm air distributes evenly under the whole planting table. At the side of the space 6 there are outlet channels for the air, which is sucked out from these channels through the pipe for re-heating.
Thus a closed hot-air system is made which is very economic, as no waste of hot-air to the space of the greenhouse takes place.
In order to ensure an even distribution of temperature in the planting table a horizontal dividing plate may be mounted in the space 6, under which plate the hot inlet air distributes, and where there are openings at the side for the inlet to the upper part of the space under the heat-conducting plate 4 and the plastic plate 1. Prom this upper space the air is sucked out for re-heating.

Claims

C L A I M S
1. Planting table for grenhouses and of the kind where the surface is water-resistant and supplied with a number of irrigation furrows, c h a r a c t e r i z e d i n that a space (6) for the air circulation is arranged under said surface (1), that a number of heating units (5) are mounted in said space (6), that an insulating material (8) and, if desired, a heat reflecting material (7) is placed under said heating units (5), and that a house (10, 11) of a light perme able material (10) is arranged above the table.
2. Planting table according to claim 1, c h a r a c t e r i z e d i n that it is supplied with air channels (9) along the sides of the planting table and across the middle of the planting table, that said air channels (9) are connected with the air space (6) over the heating units (5) of the planting table, and that the air space (6) at the ends of the planting table is connected with the house (10, 11) above the planting table.
3. Planting table according to claim 1 og 2, c h ar a c t e r i z e d i n that it has thermostatically controlled intake of heat, and that thermostatic coils (14, 15) are present partly in the air space (6) over the heating units (5), and partly in the house (10, 11) above the planting table.
4. Planting table according to claim 1, 2 og 3 c h a r a c t e r i z e d i n that a heat reflecting, shade affording curtain is arranged in the roof of the house. This results in a very small waste of heat to the environments.
PCT/DK1981/000064 1980-06-30 1981-06-30 Planting table WO1982000077A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL8120257A NL8120257A (en) 1980-06-30 1981-06-30
DE813152167T DE3152167A1 (en) 1980-06-30 1981-06-30 PLANTING TABLE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK281380A DK148211C (en) 1980-06-30 1980-06-30 PLANT TABLE
DK2813/80800630 1980-06-30

Publications (1)

Publication Number Publication Date
WO1982000077A1 true WO1982000077A1 (en) 1982-01-21

Family

ID=8116039

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1981/000064 WO1982000077A1 (en) 1980-06-30 1981-06-30 Planting table

Country Status (7)

Country Link
EP (1) EP0055283A1 (en)
DE (1) DE3152167A1 (en)
DK (1) DK148211C (en)
GB (1) GB2090511B (en)
NL (1) NL8120257A (en)
SE (1) SE8201174L (en)
WO (1) WO1982000077A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141612B (en) * 1983-05-25 1986-03-19 Geoffrey William Pell Plant cultivator unit

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2015924A (en) * 1933-08-02 1935-10-01 Lhorbe William E De Greenhouse bench
DE677358C (en) * 1937-10-21 1939-06-23 Gerhard Barthel Plant for soil heating for greenhouses and cold beds
DE688484C (en) * 1936-08-23 1940-02-22 Alfred Berger Early heating system
DE805728C (en) * 1950-05-26 1951-05-28 Peter Rau Warm bed for greenhouses
CH347668A (en) * 1957-03-14 1960-07-15 Gysi Ag Geb Greenhouse with ventilation flap
US3124903A (en) * 1964-03-17 Controlled environment room system
CH480781A (en) * 1967-07-21 1969-11-15 Gysi Ag Geb Method for air conditioning a greenhouse and device for carrying out the method
DE2044821A1 (en) * 1970-09-10 1972-03-16 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Process for growing physiologically and morphologically valuable plants in greenhouses
FR2229346A1 (en) * 1973-05-17 1974-12-13 Dhonneur Georges Controlled environment concrete cultivation frame - has soil supported on porous raised floor over water chamber
FR2322532A1 (en) * 1975-09-05 1977-04-01 Detroyat Gilbert Heated greenhouse with translucent movable ceiling - has thermostatic control for drive motor with chain drawing ceiling sheet edge along rod
DE2914607A1 (en) * 1979-04-11 1980-10-23 Hannemann Karl August Thermal propagator for greenhouse plants - has cover foil to increase capacity, and insulated heating tube arrangement
WO1981001495A1 (en) * 1979-11-28 1981-06-11 T Snekkenes Arrangement for greenhouses or growth rooms for enhancing the growth of plants or the germination of seeds

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE525351C (en) * 1931-05-22 Wilhelm Kilb Irrigation, heating and ventilation systems for spring beds and greenhouses
DE1003487B (en) * 1954-04-15 1957-02-28 Heinz Wilke Process for growing plant cultures under glass
DE1944539C3 (en) * 1969-09-02 1975-12-04 Controlled Environments Ltd., Winnipeg, Manitoba (Kanada) Greenhouse
GB1408088A (en) * 1973-01-23 1975-10-01 British Visqueen Ltd Method of controlling an environment for growing plants

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124903A (en) * 1964-03-17 Controlled environment room system
US2015924A (en) * 1933-08-02 1935-10-01 Lhorbe William E De Greenhouse bench
DE688484C (en) * 1936-08-23 1940-02-22 Alfred Berger Early heating system
DE677358C (en) * 1937-10-21 1939-06-23 Gerhard Barthel Plant for soil heating for greenhouses and cold beds
DE805728C (en) * 1950-05-26 1951-05-28 Peter Rau Warm bed for greenhouses
CH347668A (en) * 1957-03-14 1960-07-15 Gysi Ag Geb Greenhouse with ventilation flap
CH480781A (en) * 1967-07-21 1969-11-15 Gysi Ag Geb Method for air conditioning a greenhouse and device for carrying out the method
DE2044821A1 (en) * 1970-09-10 1972-03-16 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Process for growing physiologically and morphologically valuable plants in greenhouses
FR2229346A1 (en) * 1973-05-17 1974-12-13 Dhonneur Georges Controlled environment concrete cultivation frame - has soil supported on porous raised floor over water chamber
FR2322532A1 (en) * 1975-09-05 1977-04-01 Detroyat Gilbert Heated greenhouse with translucent movable ceiling - has thermostatic control for drive motor with chain drawing ceiling sheet edge along rod
DE2914607A1 (en) * 1979-04-11 1980-10-23 Hannemann Karl August Thermal propagator for greenhouse plants - has cover foil to increase capacity, and insulated heating tube arrangement
WO1981001495A1 (en) * 1979-11-28 1981-06-11 T Snekkenes Arrangement for greenhouses or growth rooms for enhancing the growth of plants or the germination of seeds

Also Published As

Publication number Publication date
EP0055283A1 (en) 1982-07-07
DK281380A (en) 1981-12-31
GB2090511A (en) 1982-07-14
SE8201174L (en) 1982-02-25
GB2090511B (en) 1983-12-14
NL8120257A (en) 1982-05-03
DE3152167A1 (en) 1982-09-09
DK148211B (en) 1985-05-06
DK148211C (en) 1985-10-14

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