CN208506537U - A kind of facility fruit and vegetable greenhouses automatic irrigation controller - Google Patents
A kind of facility fruit and vegetable greenhouses automatic irrigation controller Download PDFInfo
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- CN208506537U CN208506537U CN201820509038.5U CN201820509038U CN208506537U CN 208506537 U CN208506537 U CN 208506537U CN 201820509038 U CN201820509038 U CN 201820509038U CN 208506537 U CN208506537 U CN 208506537U
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Abstract
The utility model discloses a kind of facility fruit and vegetable greenhouses automatic irrigation controllers, including transformer T1, rectifier circuit VD1, base integrated chip U1 when NE555, first electrode sheet A, second electrode sheet B and water pump M1, the voltage input end all the way of the water pump M1 passes sequentially through fuse F1, disconnecting link S1 is connected with the firewire of alternating current, the another way voltage input end of the water pump M1 is connected with one end of bidirectional thyristor VT1, the other end of the bidirectional thyristor VT1 is connected with the zero curve of alternating current, the voltage input end all the way of the two-way input terminal difference water pump M1 of the transformer T1, the zero curve of alternating current is connected, the two-way output end of the transformer T1 is connected with the two-way input terminal of rectifier circuit VD1 respectively.The utility model circuit is simple, low in cost, can complete the automatic irrigation of greenhouse, intelligence degree is high, and time saving and energy saving, energy conservation and environmental protection has a good application prospect.
Description
Technical field
A kind of the utility model industry technical field of electronic products concerning farmers, and in particular to facility fruit and vegetable greenhouses automatic irrigation control
Device.
Background technique
Facility fruit and vegetable greenhouses are capable of providing the fruit and vegetable of anti-season, to taste to people in any season
To the vegetables or fruit for wanting to eat, therefore, facility fruit and vegetable greenhouses have obtained widely universal and application.In order to guarantee water in greenhouse
The normal growth of fruit vegetable needs periodically to spray to greenhouse, to guarantee that soil has good moisture content.Currently, on the market
Rainer, be all artificially to judge, when spraying terminates, and degree of intelligence is low, moreover, people are easy to forget to turn off sprinkling irrigation dress
It sets, causes the waste of water resource.
Summary of the invention
The purpose of the utility model is to overcome existing rainers, are all artificially to judge, when spraying terminates, intelligent journey
Spend low, the problem of be easy to causeing water resource waste.The facility fruit and vegetable greenhouses automatic irrigation controller of the utility model, circuit letter
It is single, it is low in cost, the automatic irrigation of facility fruit and vegetable greenhouses can be completed, use, intelligent journey can also be automatically and manually switched
Degree is high, and time saving and energy saving, energy conservation and environmental protection has a good application prospect.
In order to achieve the above object, the technical scheme adopted by the utility model is
A kind of facility fruit and vegetable greenhouses automatic irrigation controller, including basis set when transformer T1, rectifier circuit VD1, NE555
At chip U1, first electrode sheet A, second electrode sheet B and water pump M1,
The voltage input end all the way of the water pump M1 passes sequentially through fuse F1, disconnecting link S1 is connected with the firewire of alternating current, institute
The another way voltage input end for stating water pump M1 is connected with one end of bidirectional thyristor VT1, and the bidirectional thyristor VT1's is another
End is connected with the zero curve of alternating current, voltage input end all the way, the alternating current of the two-way input terminal difference water pump M1 of the transformer T1
Zero curve be connected, the two-way output end of the transformer T1 is connected with the two-way input terminal of rectifier circuit VD1 respectively,
The positive output end of the rectifier circuit VD1 respectively with one end of capacitor C1, the cathode of zener diode D1, resistance
One end of R1, the collector of transistor Q1 are connected, the negative output terminal phase of the other end and rectifier circuit VD1 of the capacitor C1
Connection, the negative output terminal of the rectifier circuit VD1 are connected to the ground, and the anode of the zener diode D1 is connected to the ground,
One end of the negative output terminal connection resistance R2 of the rectifier circuit VD1, the other end of resistance R2 are separately connected transistor Q2's
The emitter of one end of base stage and slide rheostat RP1, the transistor Q2 is connected to the ground, the collector of the transistor Q2
It is connected respectively with the base stage of the other end of resistance R1, transistor Q3, the collector of the transistor Q3 and the collection of transistor Q1
Electrode is connected, and the emitter of the transistor Q3 is connected with the base stage of transistor Q1, and the base stage of the transistor Q1 is also logical
Resistance R3 is crossed to be connected to the ground.
The the 4th and the 8th of base integrated chip U1 when the emitter of the transistor Q1 distinguishes one end of resistance R4, NE555
Pin, the collector for stating transistor Q4 are connected, and the 7th of base integrated chip U1 draws when the other end and NE555 of the resistance R4
Foot is connected, the second of base integrated chip U1 when the other end of the resistance R4 also passes sequentially through resistance R5, resistance R6 and NE555
And the 6th pin be connected, when the NE555 base integrated chip U1 second and the 6th pin be connected to the ground by capacitor C2,
The first pin of base integrated chip U1 is connected to the ground when the NE555, the 5th pin of base integrated chip U1 when the NE555
It is connected to the ground by capacitor C3, the third pin of base integrated chip U1 passes through resistance R7's and transistor Q4 when the NE555
Base stage is connected, and the emitter of the transistor Q4 is connected by resistance R8 with the gate pole of bidirectional thyristor VT1, the crystal
The emitter of pipe Q4 is also connected with the anode of light emitting diode D1, and the cathode of the light emitting diode D1 passes through resistance R9 and ground
It is connected.
The first electrode sheet A, second electrode sheet B one end be inserted in parallel into the soil of facility fruit and vegetable greenhouses side,
The other end of the other end connection slide rheostat RP1 of the first electrode sheet A, the other end and rectifier bridge of second electrode sheet B
The positive output end of circuit VD1 is connected.
A kind of facility fruit and vegetable greenhouses automatic irrigation controller above-mentioned, the zener diode D1 are 12V zener diode,
Voltage between the positive and negative input terminal of the rectifier circuit VD1 is 12V.
A kind of facility fruit and vegetable greenhouses automatic irrigation controller above-mentioned, the both ends of the bidirectional thyristor VT1 are parallel with out
Close S2.
A kind of facility fruit and vegetable greenhouses automatic irrigation controller above-mentioned, the first electrode sheet A, second electrode sheet B are
Copper electrode piece, and the spacing of the two is 8CM.
A kind of facility fruit and vegetable greenhouses automatic irrigation controller above-mentioned, the power of the water pump are 500W.
A kind of facility fruit and vegetable greenhouses automatic irrigation controller above-mentioned, described transistor Q1, Q2, Q3, Q4 are NPN type crystalline substance
Body pipe.
A kind of facility fruit and vegetable greenhouses automatic irrigation controller above-mentioned, the light emitting diode D1 are two pole of emitting red light
Pipe.
The beneficial effects of the utility model are: the facility fruit and vegetable greenhouses automatic irrigation controller of the utility model, circuit letter
It is single, it is low in cost, the automatic irrigation of facility fruit and vegetable greenhouses can be completed, use, intelligent journey can also be automatically and manually switched
Degree is high, and time saving and energy saving, energy conservation and environmental protection has a good application prospect.
Detailed description of the invention
Fig. 1 is the circuit diagram of the facility fruit and vegetable greenhouses automatic irrigation controller of the utility model.
Specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of facility fruit and vegetable greenhouses automatic irrigation controller of the utility model, it is characterised in that: including
Base integrated chip U1, first electrode sheet A, second electrode sheet B and water pump M1 when transformer T1, rectifier circuit VD1, NE555,
The voltage input end all the way of the water pump M1 passes sequentially through fuse F1, disconnecting link S1 is connected with the firewire of alternating current, institute
The another way voltage input end for stating water pump M1 is connected with one end of bidirectional thyristor VT1, and the bidirectional thyristor VT1's is another
End is connected with the zero curve of alternating current, voltage input end all the way, the alternating current of the two-way input terminal difference water pump M1 of the transformer T1
Zero curve be connected, the two-way output end of the transformer T1 is connected with the two-way input terminal of rectifier circuit VD1 respectively,
The positive output end of the rectifier circuit VD1 respectively with one end of capacitor C1, the cathode of zener diode D1, resistance
One end of R1, the collector of transistor Q1 are connected, the negative output terminal phase of the other end and rectifier circuit VD1 of the capacitor C1
Connection, the negative output terminal of the rectifier circuit VD1 are connected to the ground, and the anode of the zener diode D1 is connected to the ground,
One end of the negative output terminal connection resistance R2 of the rectifier circuit VD1, the other end of resistance R2 are separately connected transistor Q2's
The emitter of one end of base stage and slide rheostat RP1, the transistor Q2 is connected to the ground, the collector of the transistor Q2
It is connected respectively with the base stage of the other end of resistance R1, transistor Q3, the collector of the transistor Q3 and the collection of transistor Q1
Electrode is connected, and the emitter of the transistor Q3 is connected with the base stage of transistor Q1, and the base stage of the transistor Q1 is also logical
Resistance R3 is crossed to be connected to the ground.Base integrated chip U1 when the emitter of the transistor Q1 distinguishes one end of resistance R4, NE555
4th and the 8th pin, the collector for stating transistor Q4 are connected, base integrated chip when the other end and NE555 of the resistance R4
The 7th pin of U1 is connected, basis set Cheng Xin when the other end of the resistance R4 also passes sequentially through resistance R5, resistance R6 and NE555
Piece U1 second and the 6th pin be connected, when the NE555 base integrated chip U1 second and the 6th pin pass through capacitor C2
It is connected to the ground, the first pin of base integrated chip U1 is connected to the ground when the NE555, base integrated chip when the NE555
The 5th pin of U1 is connected to the ground by capacitor C3, and the third pin of base integrated chip U1 passes through resistance R7 when the NE555
It is connected with the base stage of transistor Q4, the emitter of the transistor Q4 passes through the gate pole phase of resistance R8 and bidirectional thyristor VT1
Connection, the emitter of the transistor Q4 are also connected with the anode of light emitting diode D1, the cathode of the light emitting diode D1
It is connected to the ground by resistance R9,
The first electrode sheet A, second electrode sheet B one end be inserted in parallel into the soil of facility fruit and vegetable greenhouses side,
The other end of the other end connection slide rheostat RP1 of the first electrode sheet A, the other end and rectifier bridge of second electrode sheet B
The positive output end of circuit VD1 is connected, and first electrode sheet A, second electrode sheet B are copper electrode piece, and the spacing of the two is
8CM conducts electricity very well, high to facility fruit and vegetable greenhouses soil moisture monitoring sensitivity, moreover, because first electrode sheet A, the second electricity
One end of pole piece B is inserted in parallel into the soil of greenhouse side, and monitoring position, therefore, can at the edge of facility fruit and vegetable greenhouses
Guarantee sprinkling irrigation in place.
Preferably, the zener diode D1 is 12V zener diode, the positive and negative input terminal of the rectifier circuit VD1
Between voltage be 12V.
Preferably, the both ends of the bidirectional thyristor VT1 are parallel with switch S2, if closure switch S2 can be realized water pump M1
Manually control, convenient for the switching manually and automatically controlled.
Preferably, the power of the water pump is 500W.
Preferably, described transistor Q1, Q2, Q3, Q4 are NPN transistor.
Preferably, the light emitting diode D1 is red light emitting diodes.
The facility fruit and vegetable greenhouses automatic irrigation controller of the utility model, working principle are as follows:
After connecting disconnecting link S1, alternating current 220V voltage is after decompression, rectification, filtering and pressure stabilizing, the two of zener diode D1
End generates 12V DC voltage, after needing to start automatic irrigation for a period of time, when facility fruit and vegetable greenhouses soil moisture is larger,
Resistance value between first electrode sheet A, second electrode sheet B is smaller, and transistor Q2 is in the conductive state, and Q2 and Q3 are in cut-off shape
State, the emitter of Q4 is without 12V voltage output, and base integrated chip U1 does not work when NE555, and bidirectional thyristor VT1 stops conducting, water
Pump M1 stops working, and stops irrigating；When facility fruit and vegetable greenhouses soil moisture relatively dry, first electrode sheet A, second electrode sheet
Resistance value between B becomes larger, and ends transistor Q2, and Q2 and Q3 conducting, base integrated chip U1 is powered on oscillation when NE555,
3 feet of base integrated chip U1 export high level when NE555, transistor Q4 and bidirectional thyristor VT1 are connected, light emitting diode D1
It lights, water pump M1 is powered on；In NE555 after base integrated chip U1, the output voltage of transistor Q1 emitter is also through resistance
It charges to capacitor C2, gradually rises 6 feet of base integrated chip U1 and 2 foot voltages when NE555, when capacitor C2 both end voltage rises to
When threshold value, trigger overturning when NE555 inside base integrated chip U1,3 feet become low level, bidirectional thyristor from high level
VT1 stops conducting, and water pump M1 stops working, and stops sprinkling irrigation, at this point, discharge circuit work when NE555 inside base integrated chip U1
Make, the 7 feet electric discharge of base integrated chip U1 when capacitor C2 passes through NE555,6 feet of base integrated chip U1 and 2 feet electricity when making NE555
When threshold value is down in pressure, overturn trigger when NE555 inside base integrated chip U1 again, 3 feet export high level, make transistor
Q4 and bidirectional thyristor VT1 conducting, light emitting diode D1 are lighted, and water pump M1 is powered on.Such discontinuous operation, until soil is wet
When degree reaches requirement, change the capacitance of capacitor C2 by adjusting, the work frequency of base integrated chip U1 when NE555 can be changed
Rate, to power off the intermittent time.
In conclusion the facility fruit and vegetable greenhouses automatic irrigation controller of the utility model, circuit is simple, low in cost, energy
The automatic irrigation for enough completing facility fruit and vegetable greenhouses can also automatically and manually switch use, and intelligence degree is high, time saving and energy saving,
Energy conservation and environmental protection has a good application prospect.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is retouched in above-mentioned implementation method and specification it should be appreciated that the present utility model is not limited to the above embodiments
That states only illustrates the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model
It will also have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.This is practical new
Type is claimed range and is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of facility fruit and vegetable greenhouses automatic irrigation controller, it is characterised in that: including transformer T1, rectifier circuit VD1,
Base integrated chip U1, first electrode sheet A, second electrode sheet B and water pump M1 when NE555,
The voltage input end all the way of the water pump M1 passes sequentially through fuse F1, disconnecting link S1 is connected with the firewire of alternating current, the water
Pump M1 another way voltage input end be connected with one end of bidirectional thyristor VT1, the other end of the bidirectional thyristor VT1 and
The zero curve of alternating current is connected, and the zero of the voltage input end all the way of the two-way input terminal of transformer T1 difference water pump M1, alternating current
Line is connected, and the two-way output end of the transformer T1 is connected with the two-way input terminal of rectifier circuit VD1 respectively,
The positive output end of the rectifier circuit VD1 respectively with one end of capacitor C1, the cathode of zener diode D1, resistance R1
One end, transistor Q1 collector be connected, the other end of the capacitor C1 is connected with the negative output terminal of rectifier circuit VD1
It connects, the negative output terminal of the rectifier circuit VD1 is connected to the ground, and the anode of the zener diode D1 is connected to the ground, institute
One end of the negative output terminal connection resistance R2 of rectifier circuit VD1 is stated, the other end of resistance R2 is separately connected the base of transistor Q2
The emitter of one end of pole and slide rheostat RP1, the transistor Q2 is connected to the ground, the collector point of the transistor Q2
It is not connected with the base stage of the other end of resistance R1, transistor Q3, the collector of the transistor Q3 and the current collection of transistor Q1
Pole is connected, and the emitter of the transistor Q3 is connected with the base stage of transistor Q1, and the base stage of the transistor Q1 also passes through
Resistance R3 is connected to the ground,
The the 4th and the 8th pin of base integrated chip U1 when one end of the emitter difference resistance R4 of the transistor Q1, NE555,
The collector for stating transistor Q4 is connected, the 7th pin phase of the other end of the resistance R4 and base integrated chip U1 when NE555
Connection, the other end of the resistance R4 also pass sequentially through resistance R5, resistance R6 and when NE555 base integrated chip U1 second and the
Six pins are connected, when the NE555 base integrated chip U1 second and the 6th pin be connected to the ground by capacitor C2, it is described
The first pin of base integrated chip U1 is connected to the ground when NE555, and the 5th pin of base integrated chip U1 passes through when the NE555
Capacitor C3 is connected to the ground, and the third pin of base integrated chip U1 passes through the base stage of resistance R7 and transistor Q4 when the NE555
It is connected, the emitter of the transistor Q4 is connected by resistance R8 with the gate pole of bidirectional thyristor VT1, the transistor Q4
Emitter be also connected with the anode of light emitting diode D1, the cathode of the light emitting diode D1 is connected to the ground by resistance R9
It connects,
The first electrode sheet A, second electrode sheet B one end be inserted in parallel into the soil of facility fruit and vegetable greenhouses side, it is described
The other end of the other end connection slide rheostat RP1 of first electrode sheet A, the other end and rectifier circuit of second electrode sheet B
The positive output end of VD1 is connected.
2. a kind of facility fruit and vegetable greenhouses automatic irrigation controller according to claim 1, it is characterised in that: the pressure stabilizing two
Pole pipe D1 is 12V zener diode, and the voltage between the positive and negative input terminal of the rectifier circuit VD1 is 12V.
3. a kind of facility fruit and vegetable greenhouses automatic irrigation controller according to claim 1, it is characterised in that: the two-way crystalline substance
The both ends of brake tube VT1 are parallel with switch S2.
4. a kind of facility fruit and vegetable greenhouses automatic irrigation controller according to claim 1, it is characterised in that: first electricity
Pole piece A, second electrode sheet B are copper electrode piece, and the spacing of the two is 8CM.
5. a kind of facility fruit and vegetable greenhouses automatic irrigation controller according to claim 1, it is characterised in that: the water pump
Power is 500W.
6. a kind of facility fruit and vegetable greenhouses automatic irrigation controller according to claim 1, it is characterised in that: the transistor
Q1, Q2, Q3, Q4 are NPN transistor.
7. a kind of facility fruit and vegetable greenhouses automatic irrigation controller according to claim 1, it is characterised in that: described luminous two
Pole pipe D1 is red light emitting diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820509038.5U CN208506537U (en) | 2018-04-11 | 2018-04-11 | A kind of facility fruit and vegetable greenhouses automatic irrigation controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820509038.5U CN208506537U (en) | 2018-04-11 | 2018-04-11 | A kind of facility fruit and vegetable greenhouses automatic irrigation controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208506537U true CN208506537U (en) | 2019-02-15 |
Family
ID=65295432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820509038.5U Active CN208506537U (en) | 2018-04-11 | 2018-04-11 | A kind of facility fruit and vegetable greenhouses automatic irrigation controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208506537U (en) |
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2018
- 2018-04-11 CN CN201820509038.5U patent/CN208506537U/en active Active
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