CN214853379U - Automatic flower watering circuit - Google Patents
Automatic flower watering circuit Download PDFInfo
- Publication number
- CN214853379U CN214853379U CN202120134502.9U CN202120134502U CN214853379U CN 214853379 U CN214853379 U CN 214853379U CN 202120134502 U CN202120134502 U CN 202120134502U CN 214853379 U CN214853379 U CN 214853379U
- Authority
- CN
- China
- Prior art keywords
- circuit
- humidity
- photosensitive
- measuring circuit
- control circuit
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000007613 environmental effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model discloses an automatic watering circuit, which comprises a power supply, a time delay circuit, a photosensitive measuring circuit, a humidity sensitive measuring circuit and a control circuit; the power supply is respectively and electrically connected with the delay circuit, the photosensitive measuring circuit, the humidity sensitive measuring circuit and the control circuit and respectively supplies power; the delay circuit is a circuit for realizing a delay function; the photosensitive measuring circuit is a circuit with a photosensitive resistor and used for detecting the ambient light intensity; the humidity-sensitive measuring circuit is a circuit with a humidity sensor and used for detecting the environmental humidity; the control circuit is connected with the water pump and used for controlling the switch of the water pump. The utility model discloses can be at automatic watering under the lower and illumination good condition of soil moisture, and realized the time delay function of preventing the mistake when the switch-on.
Description
Technical Field
The utility model belongs to the circuit design field, concretely relates to automatic circuit of watering flowers.
Background
At present, people usually spray flowers and plants and the like, but whether the proper amount of water can be supplied to potted flowers in time is the key to whether the flowers grow up or not.
By the mode, water resource waste is easily caused, and the operation efficiency is low due to inconvenient control.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic circuit of watering flowers can water automatically under the lower and illumination good condition of soil moisture, and realized the mistake proofing of putting through and touched delay function.
In order to solve the technical problem, the utility model adopts the technical scheme that: an automatic flower watering circuit comprises a power supply, a time delay circuit, a photosensitive measuring circuit, a humidity sensitive measuring circuit and a control circuit; wherein the content of the first and second substances,
the power supply is respectively and electrically connected with the delay circuit, the photosensitive measuring circuit, the humidity sensitive measuring circuit and the control circuit and respectively supplies power;
the delay circuit is a circuit for realizing a delay function;
the photosensitive measuring circuit is a circuit with a photosensitive resistor and used for detecting the ambient light intensity;
the humidity-sensitive measuring circuit is a circuit with a humidity sensor and used for detecting the environmental humidity;
the control circuit is connected with the water pump and used for controlling the switch of the water pump.
Further, the delay circuit is provided with an operational amplifier and a capacitor, wherein the model of the operational amplifier is OP177G, and the capacity of the capacitor is 220 muF.
Further, the model of the photoresistor is LXD 3526.
Further, the humidity-sensitive measuring circuit is provided with a voltage stabilizing diode and a triode.
Furthermore, the type of the voltage stabilizing diode is 1N4740, and the type of the triode is 2N 3390.
Further, the humidity sensor is a resistance type humidity sensor HR 202.
Furthermore, the control circuit is provided with a relay, and the control circuit is a circuit for controlling the switch of the water pump through the relay.
Further, the relay model is EDR201a 05.
Furthermore, the control circuit is also provided with an alarm device which is an LED.
Still further, the alarm device further comprises a buzzer.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can be at automatic watering under the lower and illumination good condition of soil moisture, and realized the time delay function of preventing the mistake when the switch-on.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a circuit connection diagram according to an embodiment of the present invention.
Detailed Description
To facilitate understanding and application of the present invention by those of ordinary skill in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples, it being understood that the examples described herein are only for the purpose of illustration and explanation and are not intended to limit the present invention.
As shown in fig. 1, the technical solution of the present invention is: an automatic flower watering circuit comprises a power supply, a time delay circuit, a photosensitive measuring circuit, a humidity sensitive measuring circuit and a control circuit; wherein the content of the first and second substances,
the power supply is respectively and electrically connected with the delay circuit, the photosensitive measuring circuit, the humidity sensitive measuring circuit and the control circuit and respectively supplies power;
the delay circuit is a circuit for realizing a delay function;
the photosensitive measuring circuit is a circuit with a photosensitive resistor and used for detecting the ambient light intensity;
the humidity-sensitive measuring circuit is a circuit with a humidity sensor and used for detecting the environmental humidity;
the control circuit is connected with the water pump and used for controlling the switch of the water pump.
Further, the delay circuit is provided with an operational amplifier and a capacitor, wherein the model of the operational amplifier is OP177G, and the capacity of the capacitor is 220 muF.
Further, the model of the photoresistor is LXD 3526.
Further, the humidity-sensitive measuring circuit is provided with a voltage stabilizing diode and a triode.
Furthermore, the type of the voltage stabilizing diode is 1N4740, and the type of the triode is 2N 3390.
Further, the humidity sensor is a resistance type humidity sensor HR 202.
Furthermore, the control circuit is provided with a relay, and the control circuit is a circuit for controlling the switch of the water pump through the relay.
Further, the relay model is EDR201a 05.
Furthermore, the control circuit is also provided with an alarm device which is an LED.
Still further, the alarm device further comprises a buzzer.
As shown in fig. 2, when the circuit is powered on, the LED lights up.
The time delay circuit adopts a precision amplifier OP177G, adopts a 220uf capacitor to realize the time delay effect, and enables the triode 2N3390 to be conducted after the capacitor is charged.
A photosensitive measuring circuit adopts a precision amplifier OP177G, a positive phase end adopts a photosensitive resistor LXD3526, the resistance value is 8-20 k omega in high brightness, the resistance value is 0.5M omega in low brightness, and the negative phase end can adjust the threshold voltage by adjusting a slide rheostat. The measuring circuit outputs low voltage when the voltage is 81k omega or below, and outputs high voltage when the voltage is more than 81k omega, so that the triode 2N3390 is switched on when the illumination condition is good, and is switched off when the illumination condition is not good. A voltage stabilizing diode 1N4740 is added at the output end to protect the triode.
The humidity-sensitive measuring circuit adopts a precision amplifier OP177G, and the positive phase end adopts an HR202 resistance type humidity sensor. When the soil humidity is lower than 20%, the soil humidity can be considered to be lack of water, the resistance value of the humidity sensitive element is 6.7 MOmega at 20 ℃ and the soil humidity is 20%, the higher the humidity is, the lower the resistance value is, the higher the slide rheostat is adjusted to enable the humidity sensitive element to output high voltage when the humidity sensitive element is 6.7 MOmega or higher, and the lower the humidity is, the low voltage is output, and therefore the soil humidity can be monitored. A voltage stabilizing diode 1N4740 is added at the output end to protect the triode.
The control circuit adopts a relay to control a water pump switch, the model is EDR201A05, and a voltage-stabilizing tube adopts 1N 4736. If the three triodes 2N3390 are all conducted, the buzzer alarms, the LED lights, or the switch can be pressed to realize manual flower watering.
It is right only to go up the preferred example of the utility model discloses, and not right the utility model discloses a scope is injectd, the event is not deviating from the utility model relates to an under the prerequisite of spirit, ordinary engineering technical personnel in the field is right the equivalent change or the decoration that structure, characteristic and principle do, all should fall into the utility model discloses in the protection range of the application for a patent.
Claims (9)
1. An automatic flower watering circuit is characterized by comprising a power supply, a time delay circuit, a photosensitive measuring circuit, a humidity sensitive measuring circuit and a control circuit; wherein the content of the first and second substances,
the power supply is respectively and electrically connected with the delay circuit, the photosensitive measuring circuit, the humidity sensitive measuring circuit and the control circuit and respectively supplies power;
the delay circuit is a circuit for realizing a delay function;
the photosensitive measuring circuit is a circuit with a photosensitive resistor and used for detecting the ambient light intensity;
the humidity-sensitive measuring circuit is a circuit with a humidity sensor and used for detecting the environmental humidity;
the control circuit is connected with the water pump and used for controlling the switch of the water pump;
the delay circuit is provided with an operational amplifier and a capacitor, the model of the operational amplifier is OP177G, and the capacity of the capacitor is 220 muF.
2. An automatic watering circuit according to claim 1, wherein the light dependent resistor is of the type LXD 3526.
3. An automatic watering circuit according to claim 1, wherein the moisture sensitive measuring circuit comprises a zener diode and a transistor.
4. An automatic flower watering circuit according to claim 3, wherein the zener diode is of the type 1N4740 and the triode is of the type 2N 3390.
5. An automatic watering circuit according to claim 1, wherein the humidity sensor is a resistance type humidity sensor HR 202.
6. An automatic watering circuit according to claim 1, wherein the control circuit is provided with a relay, and the control circuit is a circuit for controlling the switch of the water pump through the relay.
7. An automatic watering circuit according to claim 6, wherein the relay is model EDR201A 05.
8. An automatic watering circuit according to claim 1, wherein the control circuit is further provided with an alarm device, and the alarm device is an LED.
9. An automatic watering circuit according to claim 8, wherein the warning device further comprises a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120134502.9U CN214853379U (en) | 2021-01-19 | 2021-01-19 | Automatic flower watering circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120134502.9U CN214853379U (en) | 2021-01-19 | 2021-01-19 | Automatic flower watering circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214853379U true CN214853379U (en) | 2021-11-26 |
Family
ID=78862021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120134502.9U Expired - Fee Related CN214853379U (en) | 2021-01-19 | 2021-01-19 | Automatic flower watering circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214853379U (en) |
-
2021
- 2021-01-19 CN CN202120134502.9U patent/CN214853379U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |