CN201532376U - Soil moisture indicator - Google Patents
Soil moisture indicator Download PDFInfo
- Publication number
- CN201532376U CN201532376U CN2009202604424U CN200920260442U CN201532376U CN 201532376 U CN201532376 U CN 201532376U CN 2009202604424 U CN2009202604424 U CN 2009202604424U CN 200920260442 U CN200920260442 U CN 200920260442U CN 201532376 U CN201532376 U CN 201532376U
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- soil moisture
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Abstract
The utility model aims to provide a soil moisture indicator which has the advantages of simple structure, stable running, easy operation and convenient use, can emit acoustic and light signals to remind people to do watering when soil is below safety degree of moisture and required to be watered, and also can emit acoustic and light signals to prompt people to stop watering when the soil moisture is above a certain safety degree. The soil moisture indicator comprises a housing body, a power supply, a moisture probe, a shunt circuit, an amplifying circuit, a monitoring circuit and an acoustic and light device, wherein the moisture probe adopts the principle of a Daniell cell, that is, the moisture probe adopts copper and zinc metals which can generate voltage in electrolyte to measure the moisture. Two electrodes of a cell are formed by the copper and the zinc metals, wherein the copper metal serves as the positive electrode and the zinc metal serves as the negative electrode; water in the soil serves as electrolytic solution, when more water is contained in the soil, more electricity is generated, otherwise, less electricity is generated. Therefore, by using the characteristics, soil with different moistures can be detected.
Description
Technical field
The utility model relates to a kind of alarm that responds humidity, especially a kind of soil moisture prompting device.
Background technology
Raising along with people's living standard, potted plant is as a kind ofly beautifying living environment, regulating able-bodied scenery, more and more be subjected to liking of people, but for people in the elderly who cultivates the pot flowers plant or the city, the general general knowledge that lacks plant culture, do not know when how much water this waters, be not to water that plant is drowned is exactly to forget to water to make plant withered more.Or make the plant branch spire Huang of planting for above-mentioned reasons.At the needs of actual life, be useful on the detecting device that detects soil moisture on the market, generally be the resistance variations of utilizing soil moisture, soil is dry more, and the electronic installation that resistance is big more when reaching a certain Standard resistance range, sends alerting signal.The in use unstable permanent wrong warning of this type of alarm.
Summary of the invention
Shortcoming at prior art, the purpose of this utility model is to provide a kind of simple in structure, working stability, processing ease, easy to use, below soil moisture is reduced to safe coefficient, need to water and to send sound and light signal prompting people when replenishing and water, and can send the soil moisture prompting device that different sound and light signal prompting people stop to water during to a certain safe coefficient again in that soil moisture is high.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of soil moisture prompting device is provided, include housing and power supply, it is characterized in that: also comprise moisture probe, divided circuit, amplifying circuit, supervisory circuit, sound-producing device and light-emitting device, moisture probe is connected with divided circuit; Divided circuit is connected with amplifying circuit; Amplifying circuit is connected with supervisory circuit and light-emitting device; Supervisory circuit is connected with sound-producing device.Described moisture probe comprises positive electrode and negative electrode, and positive electricity is copper, negative electricity zinc very very, and using " Daniell cell " principle, can to produce with two kinds of metals of copper zinc that voltage does in electrolytic solution be Measuring amount humidity.Copper is negative pole for anodal zinc when using two kinds of metals of copper zinc to form two electrodes, and moisture content is electrolytic solution in the soil, and it is big more to produce electric weight when the moisture content of soil is big more, otherwise more little, so utilize this characteristic just can detect different humidity soil.
After electrode generation electric current is split into three the tunnel via divided circuit, respectively this three road signal is amplified rear drive light-emitting device and input monitoring circuit via amplifying circuit again, three tunnel humidity electric signal are judged and exported the corresponding prompt sound by this supervisory circuit to sound-producing device, sound-producing device can be loudspeaker or other electroacoustic devices, and light-emitting device can be three light emitting diodes, LED light string or Other Devices.Described divided circuit carries out one the tunnel according to different soil moisture, two the tunnel, multichannels such as three tunnel shunting, output does, in, wet multiple different moisture signals combination, via amplifying circuit multiple different signal combination is amplified, the control light-emitting device sends multiple different light signal respectively, sends the corresponding prompt sound through supervisory circuit control sound-producing device simultaneously.Power supply is done corresponding connection.
The beneficial effects of the utility model are: simple in structure, working stability, processing ease, easy to use, below soil moisture is reduced to safe coefficient, need to water and to send sound and light signal prompting people when replenishing and water, and can send different sound and light signal prompting people again during to a certain safe coefficient and stop to water in that soil moisture is high.The crowd who is particularly suitable for lacking the general knowledge of plant culture uses.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is an electrical structure block scheme of the present utility model.
Fig. 2 is the electrical structure schematic diagram of the utility model embodiment.
Among the figure: 1 is that moisture probe, 2 is that divided circuit, 3 is that amplifying circuit, 4 is that supervisory circuit, 5 is sound-producing device, and 6 is light-emitting device, and 11 is that negative electrode, 13 is positive electrode.
Embodiment
Referring to accompanying drawing 1, the utility model includes housing and power supply, it is characterized in that; Also comprise moisture probe 1, divided circuit 2, amplifying circuit 3, supervisory circuit 4, sound-producing device 5 and light-emitting device 6, moisture probe 1 is connected with divided circuit 2; Divided circuit 2 has three output terminals to be connected with three input ends of amplifying circuit 3 respectively; Amplifying circuit 3 has three output terminals to be connected with three input ends of supervisory circuit 4 and three input ends of light-emitting device 6 respectively; An output terminal of supervisory circuit 4 is connected with sound-producing device 5.Described moisture probe comprises positive electrode 13 and negative electrode 11, uses " Daniell cell " principle can produce voltage Zuo with two kinds of metals of copper zinc and Wei Measuring amount humidity in electrolytic solution.Positive electrode 13 be copper when using two kinds of metals of copper zinc to form two electrodes, and negative pole 11 is a zinc, and moisture content is electrolytic solution in the soil, and the generation electric weight is big more when the moisture content of soil is big more, otherwise more little, so utilize this characteristic just can detect different humidity soil.
In embodiment of the present utility model, divided circuit 2 is by 3 NPN type triode D1, D2, D3,6 resistance R 1, R2, R3, R4, R5, R6 forms, the first triode D1 grounded emitter, the second triode D2 emitter connects the first triode D1 collector, the 3rd triode D3 emitter connects the second triode D2 collector, three triode D1, D2, the collector of D3 connects the 4th respectively, the 5th, the 6th resistance R 4, R5, R6, three triode D1, D2, the base stage of D3 connects first respectively, second, the 3rd resistance R 1, R2, R3, first, second, the 3rd resistance R 1, R2, the other end of R3 also connects the back and joins with the positive electrode 13 of moisture probe 1.
In embodiment of the present utility model, amplifying circuit 3 comprises three positive-negative-positive triode D4, D5, D6, the base stage of the 4th triode D4 is connected with the first output terminal resistance R 4 of divided circuit 2, the base stage of the 5th triode D5 is connected with the second output terminal resistance R 5 of divided circuit 2, the base stage of the 6th triode D6 is connected with the 3rd output terminal resistance R 6 of divided circuit 2, these three triode D4, D5, three collectors of D6 connect three LEDs 1 respectively, LED2, three input ends of LED3 and supervisory circuit 4, these three triode D4, D5, the emitter of D6 connects the input power supply.In embodiment of the present utility model, supervisory circuit 4 adopts ic chip to form, and IC adopts the AM4EA084A integrated package, and this integrated package can produce different LED and lamp mode and prompting sound according to the signal that triggers different I/O pin output various combination.
Two electrodes 11 with moisture probe 1, during 13 insertion soil, negative electrode 11 in the moisture probe and positive electrode 13 generation electromotive forces and electric current are via triode D1, D2, No. three divided circuits 2 that D3 forms are shunted, again via triode D4, D5, the amplifying circuit 3 that D6 forms amplifies LED light emitting diode and input monitoring circuit 4 in the rear drive light-emitting device 6 to three road signals respectively, three tunnel humidity electric signal are judged and exported the corresponding prompt signal by this supervisory circuit to sound-producing device 5, sound-producing device 5 comprises a loudspeaker Y D, light-emitting device 6 comprises three LEDs 1, LED2, LED3, these three light emitting diodes can send different lamp modes according to different humidity situations.When carrying out the soil moisture detection, the relevant pin of IC links to each other with the 7th resistance R 7 to hold and becomes electronegative potential by noble potential, makes the 7th triode D7 conducting, provides power supply to triode D4, D5, D6 work.The IC end that links to each other with R7 becomes noble potential D7 by electronegative potential and ends after detection is finished, and waits for work next time.
1, when soil moisture is maximum, on moisture probe 1, produces the electric current maximum,, drive maximal humidity LED and lamp mode and prompting sound through producing three tunnel control signals input IC behind the divided circuit 2 simultaneously.
2, be in medium state at the half-dried electric current that on moisture probe 1, produces when wet when soil moisture, trigger IC, drive moderate amount of moisture LED and lamp mode and prompting sound through producing two tunnel control signals behind the divided circuit 2.
3, hour on moisture probe 1, produce the electric current minimum when soil moisture,, drive minimum humidity LED and lamp mode and prompting sound through producing one tunnel control signal input IC behind the divided circuit 2.
Claims (5)
1. soil moisture prompting device, include housing and power supply, it is characterized in that: also comprise moisture probe (1), divided circuit (2), amplifying circuit (3), supervisory circuit (4), sound-producing device (5) and light-emitting device (6), moisture probe (1) is connected with divided circuit (2); Divided circuit (2) is connected with amplifying circuit (3); Amplifying circuit (3) is connected with supervisory circuit (4) and light-emitting device (6); Supervisory circuit (4) is connected with sound-producing device (5).
2. according to the soil moisture prompting device of claim 1, it is characterized in that: described moisture probe (1) comprises positive electrode (13) and negative electrode (11), and positive electrode is a metallic copper, and negative electrode is a metallic zinc.
3. according to the soil moisture prompting device of claim 1, it is characterized in that: divided circuit (2) is by three NPN type triode (D1, D2, D3), 6 resistance (R1, R2, R3, R4, R5, R6) form, first triode (D1) grounded emitter, second triode (D2) emitter connects first triode (D1) collector, the 3rd triode (D3) emitter connects second triode (D2) collector, three triode (D1, D2, D3) collector connects the 4th respectively, the 5th, the 6th resistance (R4, R5, R6), three triode (D1, D2, D3) base stage connects first respectively, second, the 3rd resistance (R1, R2, R3), first, second, the 3rd resistance (R1, R2, R3) the other end also connects the back and joins with the positive electrode (13) of moisture probe (1).
4. according to the soil moisture prompting device of claim 1, it is characterized in that: amplifying circuit (3) comprises three positive-negative-positive triode (D4, D5, D6), the base stage of the 4th triode (D4) is connected with the first output terminal resistance (R4) of divided circuit (2), the base stage of the 5th triode (D5) is connected with the second output terminal resistance (R5) of divided circuit (2), the base stage of the 6th triode (D6) is connected with the 3rd output terminal resistance (R6) of divided circuit (2), these three triode (D4, D5, D6) three collectors meet three light emitting diode (LED1 respectively, LED2, LED3) and three input ends of supervisory circuit (4), these three triode (D4, D5, D6) emitter connects the input power supply.
5. according to the soil moisture prompting device of claim 1, it is characterized in that: supervisory circuit (4) comprises integrated package (IC), and described integrated package (IC) is the AM4EA084A integrated package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202604424U CN201532376U (en) | 2009-11-18 | 2009-11-18 | Soil moisture indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202604424U CN201532376U (en) | 2009-11-18 | 2009-11-18 | Soil moisture indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201532376U true CN201532376U (en) | 2010-07-21 |
Family
ID=42527779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202604424U Expired - Fee Related CN201532376U (en) | 2009-11-18 | 2009-11-18 | Soil moisture indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201532376U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196957A (en) * | 2013-03-26 | 2013-07-10 | 重庆新派工业设计有限公司 | Potting humidity monitor |
| CN103430223A (en) * | 2011-09-21 | 2013-12-04 | 株式会社Lg化学 | Flooding detection circuit and flooding detection apparatus using same |
| CN105185055A (en) * | 2015-09-01 | 2015-12-23 | 芜湖瑞泰精密机械有限公司 | Agricultural planting soil condition monitoring device |
-
2009
- 2009-11-18 CN CN2009202604424U patent/CN201532376U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103430223A (en) * | 2011-09-21 | 2013-12-04 | 株式会社Lg化学 | Flooding detection circuit and flooding detection apparatus using same |
| US8990030B2 (en) | 2011-09-21 | 2015-03-24 | Lg Chem, Ltd. | Submersion detection circuit and submersion detection apparatus using the same |
| CN103430223B (en) * | 2011-09-21 | 2016-07-06 | 株式会社Lg化学 | The immersion detecting device of immersion testing circuit and this immersion testing circuit of use |
| CN103196957A (en) * | 2013-03-26 | 2013-07-10 | 重庆新派工业设计有限公司 | Potting humidity monitor |
| CN105185055A (en) * | 2015-09-01 | 2015-12-23 | 芜湖瑞泰精密机械有限公司 | Agricultural planting soil condition monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20121118 |