CN105334887A - PH value monitoring and automatic adjusting system for agriculture greenhouse - Google Patents
PH value monitoring and automatic adjusting system for agriculture greenhouse Download PDFInfo
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- CN105334887A CN105334887A CN201510904282.2A CN201510904282A CN105334887A CN 105334887 A CN105334887 A CN 105334887A CN 201510904282 A CN201510904282 A CN 201510904282A CN 105334887 A CN105334887 A CN 105334887A
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Abstract
The invention provides a pH value monitoring and automatic adjusting system for an agriculture greenhouse. The system comprises a pH value sensor, a pH value signal processing unit, a wireless transmitting unit, a wireless receiving unit, a microprocessor, a relay, a pH value adjusting device and a PC. The pH value sensor, the pH value signal processing unit and the wireless transmitting unit are electrically connected in sequence. The wireless receiving unit, the microprocessor and the PC are electrically connected in sequence. PH value monitoring software is installed on the PC. The pH value sensor collects pH values in the agriculture greenhouse and outputs the pH values to the pH value signal processing unit. The pH value signal processing unit processes pH value signals, and the wireless transmitting unit transmits the pH value signals wirelessly. The wireless receiving unit receives the pH value signals, and the microprocessor processes the pH value signals and outputs the signals to the PC. Because the pH value monitoring software is installed on the PC, the PC monitors the pH values in the agriculture greenhouse in real time, the system is high in real-time property and efficiency, the pH value signals are transmitted wirelessly, and complex wiring does not need to be carried out.
Description
Technical field
The present invention relates to the pH value monitoring field of agricultural greenhouse, more specifically, relate to a kind of pH value monitoring and varitrol of agricultural greenhouse.
Background technology
PH value (potential of hydrogen) is the important parameter of plant growth in agricultural greenhouse, and for mushroom plantation, pH value mycelia between 5-8.5 of mushroom culture medium all can grow, and pH value is at the neutral meta-acid of 6.5-7.0() time grow best.But such acidity is to many miscellaneous bacterias, and particularly mould is also suitable.If adjust to pH value in the neutral meta-alkali of 7.0-7.5(), can suppress growing of miscellaneous bacteria, the mycelium of mushroom also can normal growth.But the pH value of mushroom culture medium is not constant, along with the continuous growth medium of mycelia can progressively acidifying, pH value can reduce, and has influence on the normal growth of mushroom, and miscellaneous bacteria also can increase.Therefore, effectively monitoring the pH value of mushroom culture medium in agricultural greenhouse, is the necessary means improving mushroom products seed output and quality.
Prior art is monitored the pH value of mushroom culture medium in agricultural greenhouse, it is generally professional of agriculture's rule of thumb intuitive judgment pH value, or detected the pH value of mushroom culture medium by pH detector, thus further the pH value of mushroom culture medium is regulated.The poor real of the method pH value monitoring, need the great effort expending agricultural production personnel, production efficiency is extremely low, once agricultural production personnel carelessness, is easy to the normal growth affecting agricultural greenhouse implants because pH value is too high or too low.
Summary of the invention
The present invention, for overcoming at least one defect described in above-mentioned prior art, provides a kind of pH value monitoring and varitrol of real-time, agricultural greenhouse that efficiency is high.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of pH value monitoring of agricultural greenhouse and varitrol, described system comprises pH sensor, pH value signal processing unit, wireless transmission unit, radio receiving unit, microprocessor, relay, pH value conditioning equipment and PC, described pH sensor, pH value signal processing unit and wireless transmission unit are electrically connected successively, described radio receiving unit, microprocessor and PC are electrically connected successively, described microprocessor is also electrically connected with multiple relay, each relay is all electrically connected with pH value conditioning equipment, described pH value conditioning equipment is acid solution operation valve or alkali lye operation valve, described PC is provided with pH value monitoring software.
In the preferred scheme of one, described pH sensor inside is provided with A/D modular converter, and A/D modular converter exports digital pH value signal to pH value signal processing unit.
In the preferred scheme of one, described microprocessor is connected by RS232 interface with PC.
In the preferred scheme of one, described pH value signal processing unit adopts STC12LE5408 single-chip microcomputer.
In the preferred scheme of one, described wireless transmission unit and radio receiving unit all adopt nRF24L01 wireless transceiver.
In the preferred scheme of one, described microprocessor adopts AT89S52 single-chip microcomputer.
In the preferred scheme of one, described PC shows the current pH value of agricultural greenhouse in real time by the UI interface of pH value monitoring software.
In the preferred scheme of one, described PC is also electrically connected with alarm unit, and when pH value is higher than the high pH threshold values preset or lower than the low pH threshold values preset, alarm unit sends alerting signal.
Compared with prior art, the beneficial effect of technical solution of the present invention is: the pH value monitoring of agricultural greenhouse of the present invention and varitrol, the pH value that pH sensor gathers in agricultural greenhouse outputs to pH value signal processing unit, pH value signal processing unit processes pH value signal and then carries out wireless transmission by wireless transmission unit, radio receiving unit receives pH value signal, then PC is outputted to through microprocessor processes, PC is provided with pH value monitoring software, PC realizes the real-time monitoring to agricultural greenhouse pH value, the present invention is real-time, efficiency is high, and the transmission of pH value signal wireless, without the need to carrying out numerous and diverse wiring.
The pH value monitoring of agricultural greenhouse of the present invention and varitrol, microprocessor is also electrically connected with relay and pH value conditioning equipment successively, when pH value is higher than the high pH threshold values preset or lower than the low pH threshold values preset, the Microprocessor S3C44B0X actuating of relay, acid solution operation valve or alkali lye operation valve are opened, thus realize the adjustment of pH value, improve quality and the efficiency of agricultural production.
Accompanying drawing explanation
Fig. 1 is the pH value monitoring of agricultural greenhouse of the present invention and the schematic diagram of varitrol.
Fig. 2 is the circuit connection diagram of pH sensor of the present invention, pH value signal processing unit and wireless transmission unit.
Fig. 3 is the minimum system of AT89S52 single-chip microcomputer of the present invention.
Embodiment
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Embodiment 1
As shown in Figure 1, a kind of pH value monitoring of agricultural greenhouse and varitrol, described system comprises pH sensor, pH value signal processing unit, wireless transmission unit, radio receiving unit, microprocessor, relay, pH value conditioning equipment and PC, described pH sensor, pH value signal processing unit and wireless transmission unit are electrically connected successively, described radio receiving unit, microprocessor and PC are electrically connected successively, described microprocessor is also electrically connected with multiple relay, each relay is all electrically connected with pH value conditioning equipment, described pH value conditioning equipment is acid solution operation valve or alkali lye operation valve, described PC is provided with pH value monitoring software.In specific implementation process, described pH sensor inside is provided with A/D modular converter, and A/D modular converter exports digital pH value signal to pH value signal processing unit.
In specific implementation process, described microprocessor is connected by RS232 interface with PC, the serial communication of RS232 Interface realization microprocessor and PC.
In specific implementation process, described pH sensor is arranged in agricultural greenhouse, and described pH value signal processing unit adopts STC12LE5408 single-chip microcomputer.
In specific implementation process, as shown in Figure 2, described wireless transmission unit and radio receiving unit all adopt nRF24L01 wireless transceiver, at wireless transmission unit, the CE of nRF24L01 wireless transceiver, CSN, SCK, MOSI, MISO, IRQ pin then connects the P1 port of STC12LE5408.
In specific implementation process, described microprocessor adopts AT89S52 single-chip microcomputer, and its minimum system as shown in Figure 3.
In specific implementation process, described PC shows the current pH value of agricultural greenhouse in real time by the UI interface of pH value monitoring software.
In specific implementation process, described PC is also electrically connected with alarm unit, and when pH value is higher than the high pH threshold values preset or lower than the low pH threshold values preset, alarm unit sends alerting signal, and alerting signal sends with the form of signal lamp, sound or note.
The pH value monitoring of agricultural greenhouse of the present invention and varitrol, the pH value that pH sensor gathers in agricultural greenhouse outputs to pH value signal processing unit, pH value signal processing unit processes pH value signal and then carries out wireless transmission by wireless transmission unit, radio receiving unit receives pH value signal, then PC is outputted to through microprocessor processes, PC is provided with pH value monitoring software, PC realizes the real-time monitoring to agricultural greenhouse pH value, the present invention is real-time, efficiency is high, and the transmission of pH value signal wireless, without the need to carrying out numerous and diverse wiring.
The pH value monitoring of agricultural greenhouse of the present invention and varitrol, microprocessor is also electrically connected with relay and pH value conditioning equipment successively, when pH value is higher than the high pH threshold values preset or lower than the low pH threshold values preset, the Microprocessor S3C44B0X actuating of relay, acid solution operation valve or alkali lye operation valve are opened, thus realize the adjustment of pH value, improve quality and the efficiency of agricultural production.
The corresponding same or analogous parts of same or analogous label;
The term describing position relationship in accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (8)
1. the pH value of an agricultural greenhouse is monitored and varitrol, it is characterized in that, described system comprises pH sensor, pH value signal processing unit, wireless transmission unit, radio receiving unit, microprocessor, relay, pH value conditioning equipment and PC, described pH sensor, pH value signal processing unit and wireless transmission unit are electrically connected successively, described radio receiving unit, microprocessor and PC are electrically connected successively, described microprocessor is also electrically connected with multiple relay, each relay is all electrically connected with pH value conditioning equipment, described pH value conditioning equipment is acid solution operation valve or alkali lye operation valve, described PC is provided with pH value monitoring software.
2. the pH value of agricultural greenhouse according to claim 1 is monitored and varitrol, and it is characterized in that, described pH sensor inside is provided with A/D modular converter, and A/D modular converter exports digital pH value signal to pH value signal processing unit.
3. the pH value of agricultural greenhouse according to claim 1 is monitored and varitrol, and it is characterized in that, described microprocessor is connected by RS232 interface with PC.
4. the pH value of agricultural greenhouse according to claim 1 is monitored and varitrol, it is characterized in that, described pH value signal processing unit adopts STC12LE5408 single-chip microcomputer.
5. the pH value of agricultural greenhouse according to claim 1 is monitored and varitrol, and it is characterized in that, described wireless transmission unit and radio receiving unit all adopt nRF24L01 wireless transceiver.
6. the pH value of agricultural greenhouse according to claim 1 is monitored and varitrol, it is characterized in that, described microprocessor adopts AT89S52 single-chip microcomputer.
7. the pH value of agricultural greenhouse according to claim 1 is monitored and varitrol, and it is characterized in that, described PC shows the current pH value of agricultural greenhouse in real time by the UI interface of pH value monitoring software.
8. the pH value of agricultural greenhouse according to claim 1 is monitored and varitrol, it is characterized in that, described PC is also electrically connected with alarm unit, and when pH value is higher than the high pH threshold values preset or lower than the low pH threshold values preset, alarm unit sends alerting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904282.2A CN105334887A (en) | 2015-12-09 | 2015-12-09 | PH value monitoring and automatic adjusting system for agriculture greenhouse |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510904282.2A CN105334887A (en) | 2015-12-09 | 2015-12-09 | PH value monitoring and automatic adjusting system for agriculture greenhouse |
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| CN105334887A true CN105334887A (en) | 2016-02-17 |
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| CN201510904282.2A Pending CN105334887A (en) | 2015-12-09 | 2015-12-09 | PH value monitoring and automatic adjusting system for agriculture greenhouse |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823437A (en) * | 2014-02-12 | 2014-05-28 | 中国科学院合肥物质科学研究院 | Aquaculture intelligent control system with portable monitoring device |
| CN104267699A (en) * | 2014-09-30 | 2015-01-07 | 常州机电职业技术学院 | Agricultural greenhouse intelligent control device based on Internet of Things and working method thereof |
| CN104536390A (en) * | 2014-12-01 | 2015-04-22 | 冯炳和 | Agricultural greenhouse pH value monitoring system |
| CN105118273A (en) * | 2015-09-18 | 2015-12-02 | 苏州达力客自动化科技有限公司 | Agricultural internet of things control device |
-
2015
- 2015-12-09 CN CN201510904282.2A patent/CN105334887A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823437A (en) * | 2014-02-12 | 2014-05-28 | 中国科学院合肥物质科学研究院 | Aquaculture intelligent control system with portable monitoring device |
| CN104267699A (en) * | 2014-09-30 | 2015-01-07 | 常州机电职业技术学院 | Agricultural greenhouse intelligent control device based on Internet of Things and working method thereof |
| CN104536390A (en) * | 2014-12-01 | 2015-04-22 | 冯炳和 | Agricultural greenhouse pH value monitoring system |
| CN105118273A (en) * | 2015-09-18 | 2015-12-02 | 苏州达力客自动化科技有限公司 | Agricultural internet of things control device |
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