CN204031997U - A kind of automatic flower-watering device - Google Patents
A kind of automatic flower-watering device Download PDFInfo
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- CN204031997U CN204031997U CN201420486159.4U CN201420486159U CN204031997U CN 204031997 U CN204031997 U CN 204031997U CN 201420486159 U CN201420486159 U CN 201420486159U CN 204031997 U CN204031997 U CN 204031997U
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Abstract
The utility model discloses a kind of automatic flower-watering device, it utilizes humistor to respond to soil moisture, when the humidity of soil changes, also there is corresponding change in resistance value, resistance variations causes the voltage change of circuit, through amplifying circuit voltage amplification, the voltage of amplification, as the input voltage of comparison circuit, compares with reference voltage.This reference voltage is magnitude of voltage corresponding to the standard humidity of soil.When the humidity of soil is less than specified humidity, namely magnitude of voltage is less than reference voltage, output is high level, thus drive circuit drives relay closes, and Controlling solenoid valve is opened, the water in storage tank is made to flow into delivery hose, flow into flowerpot to water plant, and one end of delivery hose is around the surrounding be fixed on inside flowerpot, inside flowerpot surrounding delivery hose on evenly offer leaking hole, make pouring more even, be beneficial to plant growth.
Description
Technical field
The utility model relates to a kind of flower-watering device, particularly relates to a kind of automatic flower-watering device.
Background technology
The economic fast development of China, the life of people there occurs earth-shaking change, and the satisfied people of making of material requisite have invested the demand of spirit sight.Under these circumstances, indoor flower-growing, cultivating one's taste, beautifies indoor environment and is deeply loved by the public.All things has its pros and cons, the improvement of economic life must be based upon allegro in life, this just causes people not have time enough and energy to go to look after indoor plants, the water supply of flowers and plants is caused to interrupt, and dry up, and then cause the people much having deep love for growing flower due to working principle, have to abandon and grow flower.
Utility model content
The purpose of this utility model is by a kind of automatic flower-watering device, solves the problem that above background technology part is mentioned.
For reaching this object, the utility model by the following technical solutions:
A kind of automatic flower-watering device, it comprises: soil moisture Acquisition Circuit, amplifying circuit, comparison circuit, drive circuit, relay, magnetic valve and flower watering device, two humistor probes of described soil moisture Acquisition Circuit are inserted in flowerpot soil, be connected with the input of amplifying circuit, the input of described comparison circuit is connected with the output of amplifying circuit, the input of described drive circuit is connected with the output of comparison circuit, described relay and drive circuit output, magnetic valve connects, described flower watering device comprises storage tank, hard tube and delivery hose, one end of described hard tube is welded on the delivery port of storage tank, the other end coordinates the described magnetic valve of fixed installation, one end of described delivery hose is socketed in the water side of hard tube, the other end is around the surrounding be fixed on inside flowerpot, inside flowerpot surrounding delivery hose on evenly offer leaking hole.
Especially, described amplifying circuit is made up of resistance R1, resistance R2, resistance R3, amplifier N1, resistance R4, resistance R5, resistance R6, resistance R7 and amplifier N2; LM339 tetra-voltage comparator selected by described comparison circuit; One end of described resistance R1 is the input of amplifying circuit, Node connectedness amplifier N1 reverse input end after the other end is connected with one end of resistance R2, the other end of resistance R2 connects the output of amplifier N1, one end of the contact resistance of the input in the same way R3 of amplifier N1, the other end ground connection of resistance R3; One end of resistance R4 connects the output of amplifier N1, one end of Node connectedness resistance R6 after the other end is connected with resistance R5 and the reverse input end of amplifier N2, the other end of resistance R5 is the input of amplifying circuit, the other end of resistance R6 connects output, the LM339 tetra-voltage comparator input of amplifier N2, one end of resistance R7 connects the input in the same way of amplifier N2, other end ground connection.
The automatic flower-watering device that the utility model proposes utilizes humistor to respond to soil moisture, when the humidity of soil changes, also there is corresponding change in its resistance value, resistance variations causes the voltage change of circuit, through amplifying circuit voltage amplification, the voltage amplified, as the input voltage of comparison circuit, compares with reference voltage.This reference voltage is magnitude of voltage corresponding to the standard humidity of soil.When the humidity of soil is less than specified humidity, namely magnitude of voltage is less than reference voltage, output is high level, thus drive circuit drives relay closes, and Controlling solenoid valve is opened, the water in storage tank is made to flow into delivery hose, flow into flowerpot to water plant, and one end of delivery hose is around the surrounding be fixed on inside flowerpot, inside flowerpot surrounding delivery hose on evenly offer leaking hole, make pouring more even, be beneficial to plant growth.The utility model can in unserviced situation, and according to soil dry humidity, whether automatic decision waters to soil, and such plant just can be in most suitable soil moisture environment always and grow.The more important thing is, the utility model, all by circuit realiration, does not need loaded down with trivial details programming to realize, and select the most basic electronic device to carry out connecting the function that can realize amplifying and comparing, structure is simple, and cost is low.
Accompanying drawing explanation
The automatic flower-watering device structure chart that Fig. 1 provides for the utility model embodiment;
The amplification circuit structure figure that Fig. 2 provides for the utility model embodiment;
The delivery hose that Fig. 3 provides for the utility model embodiment is around the schematic diagram inside flowerpot.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.Be understandable that, specific embodiment described herein only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, illustrate only the part relevant to the utility model in accompanying drawing but not full content.
Please refer to shown in Fig. 1, the automatic flower-watering device structure chart that Fig. 1 provides for the utility model embodiment.
In the present embodiment, automatic flower-watering device specifically comprises soil moisture Acquisition Circuit 101, amplifying circuit 102, comparison circuit 103, drive circuit 104, relay 105, magnetic valve 106 and flower watering device 107.
Two humistor probes of described soil moisture Acquisition Circuit 101 are inserted in flowerpot soil, are connected with the input of amplifying circuit 102.Utilize two humistor probes to detect the humidity of soil in flowerpot in real time, when soil moisture changes, the resistance value of humistor changes, thus corresponding change also occurs output voltage.The utility model because output voltage is less, is not easy to measure, so will carry out amplification process by amplifying circuit 102 to this output voltage.It should be noted that, described soil moisture Acquisition Circuit 101 just can complete soil moisture acquisition function by two humistor probes, but is not limited to this, also can increase other accessory circuit to improve its acquisition precision, not repeat herein.
The input of described comparison circuit 103 is connected with the output of amplifying circuit 102.LM339 tetra-voltage comparator selected by described comparison circuit 103 in the present embodiment.As shown in Figure 2, described amplifying circuit 102 is made up of resistance R1, resistance R2, resistance R3, amplifier N1, resistance R4, resistance R5, resistance R6, resistance R7 and amplifier N2.One end of described resistance R1 is the input of amplifying circuit 102, Node connectedness amplifier N1 reverse input end after the other end is connected with one end of resistance R2, the other end of resistance R2 connects the output of amplifier N1, one end of the contact resistance of the input in the same way R3 of amplifier N1, the other end ground connection of resistance R3; One end of resistance R4 connects the output of amplifier N1, one end of Node connectedness resistance R6 after the other end is connected with resistance R5 and the reverse input end of amplifier N2, the other end of resistance R5 is the input of amplifying circuit 102, the other end of resistance R6 connects output, the LM339 tetra-voltage comparator input of amplifier N2, one end of resistance R7 connects the input in the same way of amplifier N2, other end ground connection.Take humidity range as voltage that 10%RH-100%RH is corresponding for 1.41V-3.55V is example, it is not bery accurate to measure with voltmeter, is thus amplified by amplifying circuit 102.As shown in Figure 2, the output voltage u1 of amplifying circuit 102 is: u1=R2/R1*R6/R4*u2-R6/R5*u3, works as R2/R1=R4/R5 simultaneously, and during u2=u3, output voltage is zero, inhibits common-mode signal.
The input of described drive circuit is connected with the output of comparison circuit 103; Described relay 105 is connected with drive circuit output, magnetic valve 106.
The threshold voltage of the voltage that amplifying circuit 102 exports by LM339 tetra-voltage comparator and detection (magnitude of voltage that the standard humidity of soil is corresponding) compares, if be less than threshold voltage, then export high level, drive circuit 104 drives relay 105 to close, and magnetic valve 106 is opened, and the plant in flower watering device 107 pairs of flowerpots is watered, if be greater than threshold voltage, then drive circuit 104 makes relay 105 disconnect, and magnetic valve 106 cuts out, and flower watering device 107 stops the plant watering in flowerpot.
As shown in Figure 3, described flower watering device 107 comprises storage tank 1071, hard tube 1072 and delivery hose 1073 in the present embodiment.Filled with water 301 in described storage tank 1071.One end of described hard tube 1072 is welded on the delivery port of storage tank 1071, and the other end coordinates the described magnetic valve 106 of fixed installation, and one end of described delivery hose 1073 is socketed in the water side of hard tube 1072, and the other end is around the surrounding be fixed on inside flowerpot 301.Simultaneously, inside flowerpot 302 surrounding delivery hose 1073 on evenly offer leaking hole 10731, the even sprinkling of water can be ensured like this, be beneficial to the absorption of plant 303 pairs of moisture, solve traditional flower watering device and water dilutional hyponatremia in the near place of distance delivery port, and water very few situation in place far away.
The technical solution of the utility model utilizes humistor to respond to soil moisture, when the humidity of soil changes, also there is corresponding change in its resistance value, resistance variations causes the voltage change of circuit, through amplifying circuit 102 voltage amplification, the voltage amplified, as the input voltage of comparison circuit 103, compares with reference voltage.This reference voltage is magnitude of voltage corresponding to the standard humidity of soil.When the humidity of soil is less than specified humidity, namely magnitude of voltage is less than reference voltage, output is high level, thus drive circuit 104 drives relay 105 to close, and Controlling solenoid valve 106 is opened, the water in storage tank is made to flow into delivery hose, flow into flowerpot to water plant, and one end of delivery hose is around the surrounding be fixed on inside flowerpot, inside flowerpot surrounding delivery hose on evenly offer leaking hole, make pouring more even, be beneficial to plant growth.The utility model can in unserviced situation, and according to soil dry humidity, whether automatic decision waters to soil, and such plant just can be in most suitable soil moisture environment always and grow.The more important thing is, the utility model, all by circuit realiration, does not need loaded down with trivial details programming to realize, and select the most basic electronic device to carry out connecting the function that can realize amplifying and comparing, structure is simple, and cost is low.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Skilled person in the art will appreciate that the utility model is not limited to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and protection domain of the present utility model can not be departed from.Therefore, although be described in further detail the utility model by above embodiment, but the utility model is not limited only to above embodiment, when not departing from the utility model design, can also comprise other Equivalent embodiments more, and scope of the present utility model is determined by appended right.
Claims (2)
1. an automatic flower-watering device, is characterized in that, comprising: soil moisture Acquisition Circuit, amplifying circuit, comparison circuit, drive circuit, relay, magnetic valve and flower watering device, two humistor probes of described soil moisture Acquisition Circuit are inserted in flowerpot soil, be connected with the input of amplifying circuit, the input of described comparison circuit is connected with the output of amplifying circuit, the input of described drive circuit is connected with the output of comparison circuit, described relay and drive circuit output, magnetic valve connects, described flower watering device comprises storage tank, hard tube and delivery hose, one end of described hard tube is welded on the delivery port of storage tank, the other end coordinates the described magnetic valve of fixed installation, one end of described delivery hose is socketed in the water side of hard tube, the other end is around the surrounding be fixed on inside flowerpot, inside flowerpot surrounding delivery hose on evenly offer leaking hole.
2. automatic flower-watering device according to claim 1, is characterized in that, described amplifying circuit is made up of resistance R1, resistance R2, resistance R3, amplifier N1, resistance R4, resistance R5, resistance R6, resistance R7 and amplifier N2; LM339 tetra-voltage comparator selected by described comparison circuit; One end of described resistance R1 is the input of amplifying circuit, Node connectedness amplifier N1 reverse input end after the other end is connected with one end of resistance R2, the other end of resistance R2 connects the output of amplifier N1, one end of the contact resistance of the input in the same way R3 of amplifier N1, the other end ground connection of resistance R3; One end of resistance R4 connects the output of amplifier N1, one end of Node connectedness resistance R6 after the other end is connected with resistance R5 and the reverse input end of amplifier N2, the other end of resistance R5 is the input of amplifying circuit, the other end of resistance R6 connects output, the LM339 tetra-voltage comparator input of amplifier N2, one end of resistance R7 connects the input in the same way of amplifier N2, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486159.4U CN204031997U (en) | 2014-08-26 | 2014-08-26 | A kind of automatic flower-watering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486159.4U CN204031997U (en) | 2014-08-26 | 2014-08-26 | A kind of automatic flower-watering device |
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| Publication Number | Publication Date |
|---|---|
| CN204031997U true CN204031997U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486159.4U Expired - Fee Related CN204031997U (en) | 2014-08-26 | 2014-08-26 | A kind of automatic flower-watering device |
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| CN (1) | CN204031997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508464A (en) * | 2016-10-08 | 2017-03-22 | 四川云在天上科技有限公司 | Plant pot capable of conducting automatic watering |
-
2014
- 2014-08-26 CN CN201420486159.4U patent/CN204031997U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508464A (en) * | 2016-10-08 | 2017-03-22 | 四川云在天上科技有限公司 | Plant pot capable of conducting automatic watering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150826 |
|
| EXPY | Termination of patent right or utility model |