CN212035059U

CN212035059U - Seedling raising pot capable of automatically supplementing water

Info

Publication number: CN212035059U
Application number: CN202020003574.5U
Authority: CN
Inventors: 朱建彬; 郭相平; 赵晨伊; 程济帆; 戴妍
Original assignee: Hohai University HHU
Current assignee: Hohai University HHU
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-12-01
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a but automatic water supply's nursery pot, including the basin of growing seedlings, a water pump, the water storage box, the water delivery main pipe, a plurality of water delivery branch pipes, the three-way valve, humidity transducer, data collection station, input interface, data memory, microprocessor, output interface, the display, GPRS radio signal transmitter, GPRS radio signal receiver and power, humidity transducer buries underground in soil, data collection station passes through humidity transducer and gathers in the soil multipoint moisture content transmission to data memory simultaneously, microprocessor reads the raw data in the data memory, through weighting average calculation and with the display in the contrast of the upper and lower limit value of predetermined soil moisture content, the comparison result passes through GPRS radio signal transmitter send control command to GPRS radio signal receiver, control water pump work. The utility model discloses can the dynamic monitoring grow seedlings the moisture content of different positions in the matrix soil in the basin, whether the comprehensive analysis each point moisture content judgement needs to the basin moisturizing of growing seedlings.

Description

Seedling raising pot capable of automatically supplementing water

Technical Field

The utility model belongs to the agricultural irrigation field, concretely relates to but automatic water supply's basin of growing seedlings.

Background

Seedling culture is an important step in agricultural production, most important in the seedling culture process is matrix soil moisture management, if the moisture content is low, the germination rate of the seeds is influenced by water shortage of the seeds, if more water is irrigated, the seeds are in a flooding state to cause oxygen deficiency, the germination rate of the seeds is also low, and therefore timely irrigation and reasonable control of irrigation water amount are important steps in the seedling culture process. In the early stage of seedling culture, the root system is not formed yet, the moisture is mainly lost through evaporation, the seedling culture needs higher temperature, the evaporation is stronger, and therefore the moisture needs to be supplemented to the seedling culture pot frequently to ensure that the matrix soil is moist. The traditional water replenishing mode is manual spraying, and has the defects that water is difficult to rapidly permeate into matrix soil, the phenomenon of insufficient water filling that surface soil is wet and bottom soil is still dry is easily caused, frequent spraying is needed, and manpower is consumed. The device that can realize automatic watering of current adopts the weight of monitoring basin to calculate the moisture content more, and along with the increase of budding rate, the increase of crop seedling self weight can make the moisture content calculate the mistake, influences the accuracy of device to each point moisture content differentiates nature in the matrix soil, and the total weight of monitoring basin can not draw the moisture content at different positions, causes the phenomenon that partial region excessive water supply and partial region still lacks water easily. The water content of different positions in the matrix soil can be monitored, and the water content of each point is comprehensively analyzed to judge whether water needs to be supplemented to the seedling raising pot; there is also a need to improve the irrigation regime to avoid uneven watering.

Disclosure of Invention

In order to solve the problems, the utility model provides a seedling raising pot capable of automatically replenishing water, which can monitor the water content of different positions in the substrate soil in the seedling raising pot, comprehensively analyze the water content of each point and judge whether water is required to be replenished to the seedling raising pot; the drip irrigation mode is adopted to uniformly supplement water, so that the water can permeate into the bottom matrix soil, the upper limit and the lower limit of the water content can be controlled, and the matrix soil can keep a proper water content range for a long time.

The technical scheme is as follows:

a seedling raising pot capable of automatically supplementing water comprises a seedling raising pot, a water pump, a water storage tank, a water conveying pipe and a soil humidity detection device, wherein the water conveying pipe is connected to an outlet of the water storage tank, the water pump is installed on the water conveying pipe, the seedling raising pot is arranged below the water conveying pipe, the soil humidity detection device comprises a humidity sensor, a data collector, a data processing device, an execution device and a power supply, the data processing device comprises an input interface, a data storage device, a microprocessor and an output interface, at least two groups of humidity sensors are arranged on the water conveying pipe, the execution device comprises a display, a GPRS wireless signal transmitter and a GPRS wireless signal receiver, one end of the humidity sensor is buried in soil, the other end of the humidity sensor is electrically connected with the data collector, the data collector simultaneously collects multi-point water content in the soil through the humidity sensor, the data collector is electrically connected with the data storage device, the microprocessor is electrically connected with the data storage and the output interface through a system bus, the output interface is electrically connected with the GPRS wireless signal transmitter and the display respectively, the GPRS wireless signal transmitter is electrically connected with the GPRS wireless signal receiver, the GPRS wireless signal receiver is electrically connected with the water pump, the data acquisition device and the data processing device are both connected with the power supply, the upper limit value and the lower limit value of the soil moisture content are set by the display, the microprocessor reads original data in the data storage, the read original data are subjected to weighted average calculation and compared with the upper limit value and the lower limit value of the soil moisture content set in the display, after calculation and comparison, a control instruction is sent to the GPRS wireless signal receiver through the GPRS wireless signal transmitter, and the GPRS wireless signal receiver receives the control instruction to control the water pump to work.

Furthermore, the water delivery pipe comprises a water delivery main pipe, a plurality of water delivery branch pipes and a three-way valve, wherein the water delivery main pipe is connected with the water delivery branch pipes through the three-way valve.

Furthermore, a drip irrigation hole is arranged on the water delivery branch pipe.

Further, the calculation result and the instruction information of the microprocessor are stored in the data memory and displayed in real time through the display.

Further, the humidity sensor is an HTU21D digital relative humidity sensor, the HTU21D digital relative humidity sensor sets a measuring frequency, and soil moisture content at different positions in soil is measured according to the set frequency.

Further, the data collector is an EM50 data collector, and the EM50 data collector can collect data of soil moisture content where the HTU21D digital relative humidity sensor is located according to a set frequency.

The beneficial effects of the utility model reside in that the moisture content of the different positions of a plurality of humidity transducer probes of accessible monitoring soil through the comprehensive analysis each point moisture content among the data processor, judges whether need to the moisturizing of nursery pot to can adopt the even moisturizing of the mode of driping irrigation automatically, make moisture can permeate bottom matrix soil, and can control the moisture content bound, make matrix soil keep suitable moisture content scope for a long time.

Drawings

FIG. 1 is an overall structure view of a seedling raising pot capable of automatically replenishing water.

FIG. 2 is a schematic diagram of modules of a data processor.

Wherein: 1. seedling raising pots; 2. a water pump; 3. a water storage tank; 4. a water delivery pipe; 401. a water delivery main pipe; 402 water delivery branch pipes; 403. a three-way valve; 404. drip irrigation holes; 5. a soil humidity detection device; 501. a humidity sensor; 502. a data acquisition unit; 503. a data processing device; 504. an execution device; 505. a power source; 601. an input interface; 602. a data storage; 603. a microprocessor; 604. an output interface; 701. a display; 702. a GPRS wireless signal transmitter; 703. GPRS radio signal receiver.

Detailed Description

The invention will be described in detail with reference to the accompanying drawings and an embodiment. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

A seedling raising pot capable of automatically supplementing water comprises a seedling raising pot 1, a water pump 2, a water storage tank 3, a water conveying pipe 4 and a soil humidity detection device 5, preferably the water conveying pipe can be set to comprise a water conveying main pipe 401, a plurality of water conveying branch pipes 402 and a three-way valve 403, the water conveying main pipe 401 is connected with the water conveying branch pipes 402 through the three-way valve 403, the water conveying main pipe 402 is connected with an outlet of the water storage tank 3, the water pump 2 is installed on the water conveying main pipe 401, the seedling raising pot 1 is arranged below the water conveying branch pipes 402, and preferably the water conveying branch pipes 403 are provided with a plurality of drip irrigation holes 404; the soil humidity detection device 5 comprises a humidity sensor 501, a data collector 502, a data processing device 503, an execution device 504 and a power supply 505, wherein the data collector 502 can adopt an EM50 data collector, and the humidity sensor 501 can adopt an HTU21D digital relative humidity sensor; the data processing device 503 comprises an input interface 601, a data memory 602, a microprocessor 603 and an output interface 604; the execution device 504 comprises a display 701, a GPRS wireless signal transmitter 702 and a GPRS wireless signal receiver 703;

the humidity sensors 501 are at least two groups, one end of the humidity sensor 501 is buried in the soil, the other end is electrically connected with a data collector 502, a humidity sensor can collect the moisture content of multiple points in the matrix soil according to a set working frequency, the data collector 502 simultaneously collects the moisture content of the multiple points in the soil through a humidity sensor 501, and is electrically connected to the data storage 602 through the input interface 601, the data collector 502 transmits the collected data to the data storage 602, the microprocessor 603 is electrically connected with the data memory 602 and the output interface 604 through a system bus, the output interface 604 is electrically connected with the GPRS wireless signal transmitter 702 and the display 701 respectively, the GPRS wireless signal transmitter 702 is electrically connected with the GPRS wireless signal receiver 703, the GPRS wireless signal receiver 703 is electrically connected with the water pump 2, and the data acquisition unit 502 and the data processing device 503 are both connected with the power supply 505;

the upper and lower limit values of the soil moisture content are set on the display 701, the microprocessor 603 reads the raw data in the data memory 602, and the read raw data is weighted-averaged and compared with the upper and lower limit values of the soil moisture content set on the display: if the water content is lower than the lower limit value, a control instruction is sent to the GPRS wireless signal receiver 703 through the GPRS wireless signal transmitter 702, the GPRS wireless signal receiver 703 receives the control instruction to control the water pump 2 to automatically replenish water for the seedling raising pot 1, water replenishing is stopped when the water content reaches the upper limit value, and the calculated result and instruction information can be stored in the data storage 602 again and can be displayed through the display 701;

the water storage tank 3 can be filled with pure water or nutrient solution required by seedling culture, when the water pump 2 works, water flows out of the water storage tank 3, sequentially flows through the water pump 2, the water delivery main pipe 401 and the water delivery branch pipe 402, and is slowly and uniformly supplemented to the seedling culture pot through the drip irrigation hole 404.

The working principle is as follows: uniformly burying a plurality of humidity sensor probes in matrix soil, setting the data acquisition frequency of a data acquisition unit according to requirements, setting the upper limit value and the lower limit value of the required water content through a display according to the requirements of seedling culture, when the whole system normally works, simultaneously monitoring the water content of the positions where the humidity sensor probes are positioned by the data acquisition unit, storing the water content data in a data storage in real time, calculating the average water content value of the matrix soil in a seedling culture pot by a microprocessor according to the received water content data of each point, storing the average water content value in the data storage, comparing the average water content with the set upper limit value and the set lower limit value of the water content by the microprocessor, if the average water content value is lower than the lower limit value, sending instruction information to a circuit where a water pump is positioned by a GPRS wireless signal transmitter, receiving the instruction information by the GPRS wireless signal transmitter, controlling the, the water in the water storage tank is supplemented into the seedling raising pot through the water conveying main pipe and the water conveying branch pipe in a drip irrigation mode, when the monitored average water content is higher than the upper limit value, an instruction is sent again to enable the seedling raising pot to stop water supplementing, the water content of matrix soil in the seedling raising pot is kept in a proper range all the time, and the display can display water content data and irrigation information at each time in real time, so that the seedling raising pot is convenient to check.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A seedling raising pot capable of automatically supplementing water is characterized by comprising a seedling raising pot, a water pump, a water storage tank, a water delivery pipe and a soil humidity detection device, wherein the water delivery pipe is connected at the outlet of the water storage tank, the water pump is arranged on the water delivery pipe, the seedling raising pot is arranged below the water delivery pipe,

the soil humidity detection device comprises a humidity sensor, a data acquisition unit, a data processing device, an execution device and a power supply, wherein the data processing device comprises an input interface, a data storage unit, a microprocessor and an output interface, the humidity sensors are at least two groups, the execution device comprises a display, a GPRS wireless signal transmitter and a GPRS wireless signal receiver,

one end of the humidity sensor is buried in soil, the other end of the humidity sensor is electrically connected with the data acquisition unit, the data acquisition unit simultaneously acquires multi-point water content in the soil through the humidity sensor, the data acquisition unit is electrically connected with the data storage unit through the input interface, the data acquisition unit transmits the acquired data to the data storage unit, the microprocessor is electrically connected with the data storage unit and the output interface through a system bus, the output interface is respectively and electrically connected with the GPRS wireless signal transmitter and the display, the GPRS wireless signal transmitter is electrically connected with the GPRS wireless signal receiver, the GPRS wireless signal receiver is electrically connected with the water pump, the data acquisition unit and the data processing device are both connected with the power supply,

the display sets the upper limit value and the lower limit value of the soil moisture content, the microprocessor reads original data in the data storage, weighted average calculation is carried out on the read original data, the original data are compared with the upper limit value and the lower limit value of the soil moisture content set in the display, after calculation and comparison, a control instruction is sent to the GPRS wireless signal receiver through the GPRS wireless signal transmitter, and the GPRS wireless signal receiver receives the control instruction to control the water pump to work.

2. A seedling raising pot capable of automatically replenishing water according to claim 1, wherein the water delivery pipe comprises a water delivery main pipe, a plurality of water delivery branch pipes and a three-way valve, and the water delivery main pipe is connected with the water delivery branch pipes through the three-way valve.

3. A seedling raising pot capable of automatically replenishing water according to claim 2, wherein the water delivery branch pipe is provided with a drip irrigation hole.

4. A seedling raising pot capable of automatically replenishing water according to any one of claims 1 to 3, wherein the calculation result and the instruction information of the microprocessor are stored in a data storage device and are displayed in real time through a display.

5. An automatically-replenishing seedling raising pot according to any one of claims 1 to 3, wherein the humidity sensor is an HTU21D digital relative humidity sensor, the HTU21D digital relative humidity sensor is provided with a measuring frequency, and the soil moisture content at different positions in the soil is measured according to the set frequency.

6. The seedling raising pot capable of automatically replenishing water according to claim 5, wherein the data collector is an EM50 data collector, and the EM50 data collector can collect data of the soil moisture content where the HTU21D digital relative humidity sensor is located according to a set frequency.