CN217088989U - Drip irrigation control device based on Bluetooth chip - Google Patents
Drip irrigation control device based on Bluetooth chip Download PDFInfo
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- CN217088989U CN217088989U CN202220844161.9U CN202220844161U CN217088989U CN 217088989 U CN217088989 U CN 217088989U CN 202220844161 U CN202220844161 U CN 202220844161U CN 217088989 U CN217088989 U CN 217088989U
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- 230000002262 irrigation Effects 0.000 title claims abstract description 50
- 238000003973 irrigation Methods 0.000 title claims abstract description 50
- 239000013078 crystal Substances 0.000 claims abstract description 22
- 238000005286 illumination Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 13
- 239000002689 soil Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 102100032533 ADP/ATP translocase 1 Human genes 0.000 description 1
- 102100026396 ADP/ATP translocase 2 Human genes 0.000 description 1
- 101000768061 Escherichia phage P1 Antirepressor protein 1 Proteins 0.000 description 1
- 101000796932 Homo sapiens ADP/ATP translocase 1 Proteins 0.000 description 1
- 101000718417 Homo sapiens ADP/ATP translocase 2 Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a drip irrigation control device based on a Bluetooth chip, which relates to the field of automatic control Internet of things equipment; drip irrigation controlling means's circuit includes power supply circuit and master control circuit, power supply circuit is the 5V power all the way, another way is through voltage conversion chip with 5V power conversion into 3.3V power, bluetooth chip NRF51882 is connected with humidity transducer and photosensitive sensor respectively through the ADC pin among the master control circuit, bluetooth chip NRF51882 is connected with first relay, first relay passes through the pin and is connected with the drip irrigation pump, first relay is connected with the 5V power, for the power supply of drip irrigation pump, bluetooth chip NRF51882 passes through the pin and is connected with the second relay, the second relay is connected with LED illumination compensating lamp, the second relay is connected with the 5V power, for LED illumination compensating lamp power supply, bluetooth chip NRF51882 still is connected with crystal oscillator circuit and bluetooth chip antenna circuit respectively.
Description
Technical Field
The utility model discloses a device relates to automatic control thing networking equipment field, and specifically speaking is a drip irrigation controlling means based on bluetooth chip.
Background
Moisture and light are essential conditions for plant growth and are important environmental factors indispensable to plant life activities. Some automatic plant watering devices exist in the market at present, but most of the automatic plant watering devices stay in the traditional mechanical operation stage, and remote control and intelligent management can be rarely realized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's problem, a drip irrigation controlling means based on bluetooth chip is provided, can be according to the humidity and the illumination intensity real-time detection of soil and through the mode moisturizing and the illumination compensation of LED light of driping irrigation, further realize the automatic supplementary planting of plant.
The utility model provides a concrete scheme is:
the utility model provides a drip irrigation control device based on a Bluetooth chip, the circuit of the drip irrigation control device comprises a power circuit and a main control circuit,
the power supply circuit introduces a 5V power supply into the circuit board through a 5V USB power supply interface, the 5V power supply is divided into two paths, one path is the 5V power supply, the other path converts the 5V power supply into a 3.3V power supply through a voltage conversion chip, and the 3.3V power supply is used by a Bluetooth chip NRF 51882;
the Bluetooth chip NRF51882 in the main control circuit is respectively connected with the humidity sensor and the photosensitive sensor through ADC pins,
the Bluetooth chip NRF51882 is connected with an IN pin of a first relay through a pin, the first relay is connected with the drip irrigation pump through an OP normally open pin, a Common pin and a 5V pin of the first relay are connected with a 5V power supply to supply power for the drip irrigation pump,
the Bluetooth chip NRF51882 is connected with an IN pin of a second relay through a pin, the second relay is connected with the LED illumination compensation lamp through an OP normally open pin, a Common pin and a 5V pin of the second relay are connected with a 5V power supply to supply power for the LED illumination compensation lamp,
the Bluetooth chip NRF51882 is also connected with the crystal oscillator circuit and the Bluetooth chip antenna circuit through pins respectively.
Preferably, a power supply filter capacitor is connected between positive and negative power supply pins of a Bluetooth chip NRF51882 in the drip irrigation control device based on the Bluetooth chip.
Preferably, the Bluetooth chip NRF51882 of the drip irrigation control device based on the Bluetooth chip is also connected with a device indicator lamp.
Preferably, a crystal oscillator circuit in the drip irrigation control device based on the bluetooth chip adopts a 16M crystal oscillator, and pins of the crystal oscillator are respectively connected with capacitors matched with the crystal oscillator.
Preferably, a filter capacitor and a filter inductor are connected between the bluetooth chip NRF51882 and the bluetooth chip antenna circuit in the bluetooth chip-based drip irrigation control device.
The utility model discloses an useful part is:
the utility model provides a drip irrigation controlling means based on bluetooth chip utilizes NRF51882 as main control chip, according to the data that humidity transducer and photosensitive sensor gathered, can judge automatically whether the plant need drip irrigation and water or illumination compensation to implement according to the condition, can carry out the network deployment communication through bluetooth and other thing networking devices simultaneously, also can control the device through the cell-phone.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit diagram of the circuit board of the present invention.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
The utility model provides a drip irrigation control device based on a Bluetooth chip, the circuit of the drip irrigation control device comprises a power circuit and a main control circuit,
the power supply circuit introduces a 5V power supply into the circuit board through a 5V USB power supply interface, the 5V power supply is divided into two paths, one path is the 5V power supply, the other path converts the 5V power supply into a 3.3V power supply through a voltage conversion chip, and the 3.3V power supply is used by a Bluetooth chip NRF 51882;
the Bluetooth chip NRF51882 in the main control circuit is respectively connected with the humidity sensor and the photosensitive sensor through ADC pins,
the Bluetooth chip NRF51882 is connected with an IN pin of a first relay through a pin, the first relay is connected with the drip irrigation pump through an OP normally open pin, a Common pin and a 5V pin of the first relay are connected with a 5V power supply to supply power for the drip irrigation pump,
the Bluetooth chip NRF51882 is connected with an IN pin of a second relay through a pin, the second relay is connected with the LED illumination compensation lamp through an OP normally open pin, a Common pin and a 5V pin of the second relay are connected with a 5V power supply to supply power for the LED illumination compensation lamp,
the Bluetooth chip NRF51882 is also connected with the crystal oscillator circuit and the Bluetooth chip antenna circuit through pins respectively.
The utility model discloses the device adopts NRF51882 low-power consumption bluetooth chip as main control chip, and this chip can satisfy most of radio communication's closely demand. In the using process, networking communication can be carried out through Bluetooth and other Internet of things equipment, so that the system can be controlled through a mobile phone. The utility model discloses the device is connected through the ADC function pin of NRF51882 chip and is carried out real-time detection with humidity transducer to soil moisture, and when soil moisture was less than the threshold value, main control chip control 5V low pressure drip irrigation pump was driped irrigation soil, and until soil moisture is higher than the threshold value, the pump stop work is driped irrigation to the low pressure. The light intensity is monitored by adopting the photosensitive sensor, and illumination compensation is carried out through the LED lamp when the illumination is weak. The whole system adopts a 5V power supply to supply power, one path of the power supply ensures normal work of the 5V low-voltage drip irrigation pump and the LED light supplement lamp, and the other path of the power supply reduces the voltage to 3.3V through the voltage conversion chip and supplies the voltage to the master control system for use. The system provides a USB power supply interface, so that a user can conveniently supply power through the power bank or the USB power supply in the using process, and the stable operation of the system in a low power consumption state is ensured.
Preferably, in the power circuit of the drip irrigation control device based on the bluetooth chip, a 5V power supply is introduced into the circuit board through a 5V USB power interface 1. The 5V power supply is converted into 3.3V through a 5V to 3.3V voltage conversion chip AMS1117-3.3, and high-frequency interference signals in the power supply are filtered through power supply filter capacitors C21 and C22 at the input end and the output end of the power supply. Pin 1 of the 5VUSB power interface is connected with the anode of a 5V power supply, and pin 5 is connected with GND. Pin 3 of the voltage conversion chip AMS1117-3.3 is connected to pin 1 of the 5VUSB power interface, pin 2 of the voltage conversion chip AMS1117-3.3 outputs a 3.3V voltage, and pin 1 is connected to GND. Refer to fig. 1.
Preferably, NRF51882 in the drip irrigation control device based on the Bluetooth chip is connected with a humidity sensor and a photosensitive sensor through ADC pins, and power supply filter capacitors C10, C13, C12, C15 and C19 are connected between positive and negative power supply pins of the nRF51882, so that the interference of abnormal ripples in a power supply to a control system can be reduced to a certain extent. Refer to fig. 1.
Preferably, the humidity sensor circuit in the drip irrigation control device based on the bluetooth chip comprises:
the humidity sensor adopts an MK011169 humidity detection module in a capacitance detection mode, the sensitivity and the corrosion resistance of the humidity sensor are better, and the output voltage is as follows: 0-3.0V, no damage to the system can be ensured,
the corresponding drip irrigation control circuit:
a pin of the drip irrigation pump M1 is connected with GND of a power supply, a pin of the drip irrigation pump M1 is connected with an OP normally open pin of the first relay JP1, it is guaranteed that the first relay JP1 is IN an off state when the device normally works, the drip irrigation pump M1 does not work, a Common pin and a 5V pin of the first relay JP1 are connected with a 5V power supply, an IN pin and a 4 th pin P0.0 of nRF51822 are connected with a switch for controlling the first relay JP1, the first relay JP1 is attracted when the pins output high level, and the drip irrigation pump M1 starts to work. Refer to fig. 1.
Preferably, the photosensitive sensor circuit in the drip irrigation control device based on the bluetooth chip comprises:
the photosensitive sensor adopts a sensitive photosensitive resistance sensor, the analog output range is 0-3.3V, a pin 1 of the photosensitive sensor is connected with a pin 7P 0.3 of nRF51822, a pin 2 is connected with GND, a pin 3 is connected with a 3.3V power supply,
corresponding illumination compensation LED circuit:
the LED illumination compensation lamp LED1 adopts a 5V power supply mode, the working voltage is separated from the nRF51822 power supply through a second relay JP2,
Preferably, the drip irrigation control device based on the bluetooth chip further comprises an indicator light circuit:
and the indicator lamp LED-0805 is used for prompting the normal operation of the device.
Preferably, a crystal oscillator circuit in the drip irrigation control device based on the bluetooth chip adopts a 16M crystal oscillator, pins 1 and 2 of a crystal oscillator Y1 are respectively connected with a crystal oscillator matching capacitor C11 and a crystal oscillator matching capacitor C14, a pin 1 of the crystal oscillator is connected with a pin XC2 of NRF51882, and a pin 2 of the crystal oscillator is connected with a pin XC1 of NRF 51882. The function of the matching capacitor of the crystal oscillator circuit is responsible for charging the crystal oscillator to enable the crystal oscillator to start oscillation. Refer to fig. 1.
Preferably, in the drip irrigation control device based on the bluetooth chip, pin 1 of the bluetooth chip Antenna is connected with pin 32 ANT2 of NRF51882 through Antenna circuit filter capacitors C16, C17 and C18, and Antenna circuit filter inductors L2, L3 and L4, pin 2 of the bluetooth chip Antenna is connected with pin 31 ANT1 of NRF51882, and filter capacitors C16, C17 and C18 and filter inductors L2, L3 and L4 mainly prevent the ripple in the circuit from causing signal distortion. Refer to fig. 1.
The utility model discloses the device can merge into the family internet system through the bluetooth in, realizes that intelligent and automatic plant drips irrigation and illumination compensation. Aiming at small-size cultivated in a pot, only need insert soil moisture sensor inside the soil, NRF51882 carries out real-time collection to soil moisture through the ADC function. When the soil humidity is lower than the humidity threshold value suitable for plant growth, the drip irrigation pump of the controller starts to perform drip irrigation water supplement on the soil. When the soil humidity is too high due to environmental reasons, the main control chip automatically sends a prompt to the mobile phone of the user. When the ambient illumination intensity in daytime is lower, the system automatically turns on the LED lamp to perform off illumination compensation on the growth of plants, and automatically turns off the illumination intensity detection and compensation functions at night. Meanwhile, the user can control the drip irrigation pump and the LED lamp to operate through the mobile phone, and remote operation is achieved.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (5)
1. A drip irrigation control device based on a Bluetooth chip is characterized in that a circuit of the drip irrigation control device comprises a power circuit and a main control circuit,
the power supply circuit introduces a 5V power supply into the circuit board through a 5V USB power supply interface, the 5V power supply is divided into two paths, one path is the 5V power supply, the other path converts the 5V power supply into a 3.3V power supply through a voltage conversion chip, and the 3.3V power supply is used by a Bluetooth chip NRF 51882;
the Bluetooth chip NRF51882 in the main control circuit is respectively connected with the humidity sensor and the photosensitive sensor through ADC pins,
the Bluetooth chip NRF51882 is connected with an IN pin of a first relay through a pin, the first relay is connected with the drip irrigation pump through an OP normally open pin, a Common pin and a 5V pin of the first relay are connected with a 5V power supply to supply power for the drip irrigation pump,
the Bluetooth chip NRF51882 is connected with an IN pin of a second relay through a pin, the second relay is connected with the LED illumination compensation lamp through an OP normally open pin, a Common pin and a 5V pin of the second relay are connected with a 5V power supply to supply power for the LED illumination compensation lamp,
the Bluetooth chip NRF51882 is also connected with the crystal oscillator circuit and the Bluetooth chip antenna circuit through pins respectively.
2. The drip irrigation control device based on the Bluetooth chip as claimed in claim 1, wherein a power filter capacitor is connected between positive and negative power supply pins of the Bluetooth chip NRF 51882.
3. The drip irrigation control device based on the Bluetooth chip as claimed in claim 1 or 2, wherein the Bluetooth chip NRF51882 is further connected with a device indicator lamp.
4. The drip irrigation control device based on the Bluetooth chip as claimed in claim 1, wherein the crystal oscillator circuit adopts a 16M crystal oscillator, and pins of the crystal oscillator are respectively connected with capacitors matched with the crystal oscillator.
5. The drip irrigation control device based on the Bluetooth chip as claimed in claim 4, wherein a filter capacitor and a filter inductor are connected between the Bluetooth chip NRF51882 and the Bluetooth chip antenna circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220844161.9U CN217088989U (en) | 2022-04-13 | 2022-04-13 | Drip irrigation control device based on Bluetooth chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220844161.9U CN217088989U (en) | 2022-04-13 | 2022-04-13 | Drip irrigation control device based on Bluetooth chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217088989U true CN217088989U (en) | 2022-08-02 |
Family
ID=82582887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220844161.9U Active CN217088989U (en) | 2022-04-13 | 2022-04-13 | Drip irrigation control device based on Bluetooth chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217088989U (en) |
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2022
- 2022-04-13 CN CN202220844161.9U patent/CN217088989U/en active Active
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