GB2432673A - Plant soil dryness detector - Google Patents
Plant soil dryness detector Download PDFInfo
- Publication number
- GB2432673A GB2432673A GB0523859A GB0523859A GB2432673A GB 2432673 A GB2432673 A GB 2432673A GB 0523859 A GB0523859 A GB 0523859A GB 0523859 A GB0523859 A GB 0523859A GB 2432673 A GB2432673 A GB 2432673A
- Authority
- GB
- United Kingdom
- Prior art keywords
- soil
- detector
- plant
- root
- dryness detector
- 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
-
- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/246—Earth materials for water content
Abstract
A resistive moisture detector measures the dryness of soil around the roots of a plant to indicate when the plant needs watering. The probe comprises an upper shaped section 2 having an LED indicator 4 and measurement circuitry 5-8, and a lower probe section which is pushed seep into the soil. The resistance of copper tracking 7 varies with wetness of the soil. When the soil becomes dry the LED 4 is lit. The detector may be pushed back against the soil so that water can be poured down the detector in order to directly water mid and root soil. The upper section 4 may be formed in one of a variety of shapes.
Description
<p>I</p>
<p>PLANT ROOT SOIL DRYNESS DETECTOR.</p>
<p>This invention relates to a deep soil dryness detector. Watering plants effectively is vital for plants to survive.</p>
<p>Watering plants routinely can lead to permanently wet compost and problems associated with over watering. Watering plants less frequently, but deeply and thoroughly helps them to develop healthy root systems. Soil moisture detectors indicate when the topsoil becomes dry and not the area around the roots.</p>
<p>An object of this invention is to provide a warning that indicates when the mid and root soil of a plant needs water.</p>
<p>Accordingly this invention targets the specific area of the plant that needs water -the roots. The base of the invention is pushed into the soil. When the root soil becomes dry a light will come on indicating that the plant needs watering. The detector is pushed back against the soil so that water can be poured down the detector straight into the mid and root soil. Preferably, the invention is made from foamex in a variety of shapes.</p>
<p>An example of the invention will now be described by referring to the accompanying drawings: FIGURE 1 shows a plant with a soil moisture detector; FIGURE 2 shows a plant with a root dryness detector; FIGURE 3 shows the warning light indicator; FIGURE 4 shows the circuit inside the detector; FIGURE 5 shows the rear of the detector.</p>
<p>FIGURE 6 shows the root dryness detector pushed back.</p>
<p>Figure 1 shows a plant with a soil moisture detector (1) pushed into the soil.</p>
<p>Figure 2 shows a plant root dryness detector (2) according to the invention. The probe (3) of the invention is pushed into the depth of the soil. The probes vary in length according to the size of the plant.</p>
<p>As shown in Figure 3 a Light Emitting Diode (LED) will light up (4) when the mid and root soil becomes dry.</p>
<p>Figure 4 shows the circuit, which is placed on the reverse of the invention and on the probe. The circuit consists of, an LED (4), a Lithium 3v battery (5), a resistor (6), copper tracking (7) and a transistor BC 108 (8). The two copper track strips on the probe react to changes in moisture. This resistance is high in the wet and low when in the dry. In this circuit when it gets wet the resistance of the copper track will increase. As it increases the input voltage to the transistor will go above 0.6 volts.</p>
<p>When this happens the transistor switches the LED on.</p>
<p>In Figure 5 the copper track (sensor) can be seen at the base of the detector.</p>
<p>Figure 6 shows the invention pushed back (9) to allow for plants to be watered deeply to develop healthy root systems.</p>
Claims (1)
- <p>CLAIMS</p><p>1. A soil dryness detector which targets the area of soil around the roots of a plant.</p><p>2. A plant soil dryness detector as claimed in 1 in which the probe varies in length according to the size of the plant.</p><p>3. A plant soil dryness detector as claimed in 2 that can be pushed back against the soil to allow water to run down the length of the probe in order to water directly into the mid and root soil.</p><p>4. A plant soil dryness detector as claimed in 2 which is made from foamex in a variety of shapes -butterfly, ladybird, flower, snail, flag, insects.</p>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0523859A GB2432673A (en) | 2005-11-24 | 2005-11-24 | Plant soil dryness detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0523859A GB2432673A (en) | 2005-11-24 | 2005-11-24 | Plant soil dryness detector |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0523859D0 GB0523859D0 (en) | 2006-01-04 |
GB2432673A true GB2432673A (en) | 2007-05-30 |
Family
ID=35601066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0523859A Pending GB2432673A (en) | 2005-11-24 | 2005-11-24 | Plant soil dryness detector |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2432673A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107807220A (en) * | 2017-09-11 | 2018-03-16 | 河北农业大学 | A kind of monitoring soil moisture device and method of changeable colour and sound warning |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4020417A (en) * | 1975-11-26 | 1977-04-26 | Turf Service Laboratories, Inc. | Soil moisture indicator device |
GB2221036A (en) * | 1988-03-22 | 1990-01-24 | David John Cross | Soil moisture alarm |
GB2353360A (en) * | 1999-08-05 | 2001-02-21 | Herbert Booth | Device for monitoring soil moisture content |
US20040140902A1 (en) * | 2003-01-19 | 2004-07-22 | Staples Peter Ethan | Wireless soil moisture meter network |
JP2004279394A (en) * | 2003-03-18 | 2004-10-07 | Asahi Micro Capsule:Kk | Soil moisture detection informing management equipment |
DE102004037240A1 (en) * | 2003-10-16 | 2005-07-21 | Florasys Ag | Electronic measuring unit for monitoring watering requirements of potted plants etc., transmits parameters via interface, and indicates plant-specific parameters |
-
2005
- 2005-11-24 GB GB0523859A patent/GB2432673A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4020417A (en) * | 1975-11-26 | 1977-04-26 | Turf Service Laboratories, Inc. | Soil moisture indicator device |
GB2221036A (en) * | 1988-03-22 | 1990-01-24 | David John Cross | Soil moisture alarm |
GB2353360A (en) * | 1999-08-05 | 2001-02-21 | Herbert Booth | Device for monitoring soil moisture content |
US20040140902A1 (en) * | 2003-01-19 | 2004-07-22 | Staples Peter Ethan | Wireless soil moisture meter network |
JP2004279394A (en) * | 2003-03-18 | 2004-10-07 | Asahi Micro Capsule:Kk | Soil moisture detection informing management equipment |
DE102004037240A1 (en) * | 2003-10-16 | 2005-07-21 | Florasys Ag | Electronic measuring unit for monitoring watering requirements of potted plants etc., transmits parameters via interface, and indicates plant-specific parameters |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107807220A (en) * | 2017-09-11 | 2018-03-16 | 河北农业大学 | A kind of monitoring soil moisture device and method of changeable colour and sound warning |
Also Published As
Publication number | Publication date |
---|---|
GB0523859D0 (en) | 2006-01-04 |
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