CN105000694A - Remote sensing based water desalination equipment and control method thereof - Google Patents
Remote sensing based water desalination equipment and control method thereof Download PDFInfo
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- CN105000694A CN105000694A CN201510374279.4A CN201510374279A CN105000694A CN 105000694 A CN105000694 A CN 105000694A CN 201510374279 A CN201510374279 A CN 201510374279A CN 105000694 A CN105000694 A CN 105000694A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The present invention discloses remote sensing based water desalination equipment and a control method thereof. The water desalination equipment comprises a bitter water tank, a first water pump, a pre-assembly, a pressure-regulating valve, a reverse osmosis assembly and a clean water tank. The bitter water tank is provided inside with a bitter water tank liquid level sensor, the water outlet end of the first water pump is provided with a first flow sensor, the water outlet end of the reverse osmosis assembly is provided with a pH value sensor, and the clean water tank is provided with a clean water tank water level sensor. The equipment also includes a control cabinet; a control circuit is arranged in the control cabinet; the control circuit collects the values of the bitter water tank liquid level sensor, the first flow sensor, the pH value sensor and the clean water tank liquid level sensor; and based on the values, the control circuit determines whether to transmit radio signals to remote control without communication connection therewith. According to the control method of the present invention, a user carrying a remote control around equipment can promptly acquire the problems of the equipment, and promptly shut down the equipment, thereby improving the safety of equipment operation and saving labor.
Description
Technical field
The present invention relates to technique of desalinating saline water field, particularly relate to a kind of desalination water equipment based on remote sensing monitoring and control method thereof.
Background technology
Saline-alkali soil is the general name of solonchak and alkaline earth, its soil salt content too high (more than 0.3%), and farm crop low yield maybe can not be grown.Because in alkaline land soil, soluble organic fraction great majority are sodium salts, make soil sticky heavy, soil colloid dispersion and emulsion, air permeability is poor, water-swellable is muddy, and dehydration shrinkage is hard, has a strong impact on agronomic crop seed germination and crop normal development, in addition, the too much react acid of soil sodium ion, directly destroys plant tissue, and crop root is also perishable, affect Nutrient Transformation, make phosphate fertilizer and trace element etc. not dissolve and to lose efficacy.Therefore salting of soil is very big to murrain.
At present, usually adopt desalting plant to carry out brackish water desalination, but present desalting plant need on-the-spot real-time carrying out to monitor, and occupies the time of user like this, not science, does not grow with each passing hour.Therefore those skilled in the art are badly in need of being provided with a kind of desalting plant without the need to the real-time import in scene, liberate user.
Summary of the invention
The first object of the present invention is to provide a kind of desalination water equipment based on remote sensing monitoring, and this equipment has Radio Control Function, notifies user when enabling it break down, and improves the security that equipment runs.
For solving the problems of the technologies described above, technical scheme of the present invention is:
Desalination water equipment based on remote sensing monitoring comprises the brackish water pond for splendid attire brackish water, and the bottom in described brackish water pond is provided with brackish water pit level sensor; The water outlet in described brackish water pond is connected with the feed-water end of the first water pump, and the water side of described first water pump is provided with first flow sensor; For filtering the pre-processing assembly of brackish water in advance, the feed-water end of described pre-processing assembly is connected with the water side of described first water pump, is provided with the first vacuum breaker between described pre-processing assembly and described first water pump; For desalinating the reverse osmosis module of brackish water, the feed-water end of described reverse osmosis module is connected with the water side of described pre-processing assembly; The feed-water end of described reverse osmosis module is provided with relief valve, and the dope exit end of described reverse osmosis module is communicated with described brackish water pond, and the dope exit end of described reverse osmosis module is provided with the second vacuum breaker; The clear water output end of described reverse osmosis module is provided with Clean water valve and pH value sensor; For the clean water basin of splendid attire clear water, the feed-water end of described clean water basin is all connected with the clear water output end of described reverse osmosis module; The top of described clean water basin is provided with clean water basin liquid level sensor; Housing, pilot circuit is provided with in described housing, described pilot circuit is electrically connected with described brackish water pit level sensor, described first water pump, described Clean water valve, described pH value sensor and described clean water basin liquid level sensor respectively, and described pilot circuit is also electrically connected with solar panel; Telepilot, described telepilot is connected with described pilot circuit radio communication.
Optimal way is, the clear water output end of described clean water basin is also provided with second quantity sensor, and described second quantity sensor is electrically connected with described pilot circuit.
Optimal way is, also comprises the second water pump be electrically connected with described pilot circuit, and the feed-water end of described second water pump connects underground brackish water, and the water side of described second water pump is connected with the water-in in described brackish water pond.
Optimal way is, described telepilot comprises housing, and the two ends of described housing are provided with wrist strap.
Optimal way is, described pilot circuit comprises cpu circuit, and signal treatment circuit, wireless communication line and the output circuit to be electrically connected with described cpu circuit, described signal treatment circuit respectively described brackish water pit level sensor, described clean water basin liquid level sensor, described pH value sensor is connected with described first flow sensor electrical, described output circuit is electrically connected with described first water pump, described Clean water valve and described second water pump respectively, and described wireless communication line is connected with described telepilot cableless communication.
Optimal way is, described pre-processing assembly comprises cartridge filter and activated charcoal filter.
The second object of the present invention is the control method providing a kind of desalination water equipment based on remote sensing monitoring, and the method makes user near equipment of the present invention, just can understand the state that equipment runs.
For solving the problems of the technologies described above, technical scheme of the present invention is:
Based on a control method for the desalination water equipment of remote sensing monitoring, comprise the following steps:
S (5), starting outfit, make it carry out brackish water desalination process;
S (10), described first flow sensor do not stop the flow of the water side detecting described first water pump, and the first pump capacity being converted to electric signal transmission to described pilot circuit, electrical signal corresponding for the first pump capacity received is compared process by described pilot circuit; When the first pump capacity is 0, described pilot circuit wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run;
The pH value of the clear water that the clear water output end that S (15), described pH value sensor do not stop to gather described reverse osmosis module flows out, and pH value is converted to electric signal transmission to described pilot circuit, described pilot circuit is compared process after receiving electrical signal corresponding to pH value; When pH value is greater than 5, described pilot circuit wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run;
S (20), after the liquid level in brackish water pond is lower than described brackish water pit level sensor, low liquid level is converted to electric signal transmission to described pilot circuit by described brackish water pit level sensor, described pilot circuit is according to after electrical signal corresponding to the low liquid level of the brackish water received, wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run;
S (25), when the clear water liquid level in described clean water basin reaches the position of described clean water basin liquid level sensor, described clean water basin liquid level sensor converts clear water liquid level to electrical signal, be transferred to described pilot circuit, described pilot circuit is according to after electrical signal corresponding to the clear water high liquid level (HLL) received, wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run;
After S (30), desalination terminate, user manually or operate described telepilot and close described desalting plant.
Optimal way is, the clear water output end of described clean water basin is also provided with second quantity sensor, described second quantity sensor is electrically connected with described pilot circuit, also comprise step S (28), described second quantity sensor does not stop the flow of the clear water output end detecting described reverse osmosis module, and clear water output end flow being converted to electric signal transmission to described pilot circuit, the clear water output end flow electrical signal received is carried out process and compares by described pilot circuit; When clear water output end flow is 0, described pilot circuit wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run.
After adopting technique scheme, the invention has the beneficial effects as follows: due to the desalination water equipment based on remote sensing monitoring of the present invention and control method thereof, desalting plant of the present invention comprises brackish water pond, the first water pump, pre-processing assembly, relief valve, reverse osmosis module and clean water basin, wherein be provided with brackish water pit level sensor in brackish water pond, the water side of the first water pump is provided with first flow sensor, the water side of reverse osmosis module is provided with pH value sensor, is provided with clean water basin liquid level sensor in clean water basin; The present invention also comprises housing, pilot circuit is provided with in this housing, pilot circuit gathers the numerical value of salt water pit level sensor, first flow sensor, pH value sensor and clean water basin liquid level sensor respectively, and judges whether that wireless signal emission is to the telepilot be connected with its cableless communication according to numerical value.Therefore when the present invention carries out brackish water desalination, the telepilot that user writes, near desalting plant, just can receive signal during above-mentioned any one generation problem, allows user learn equipment generation problem timely, and solves in time; Thus the security that the equipment that improves runs.
Because the clear water output end of clean water basin is also provided with second quantity sensor, this second quantity sensor is electrically connected with pilot circuit; This second quantity sensor does not stop the flow gathering clear water output end, and converts flow to electric signal transmission to pilot circuit, and the flow of clear water output end is monitored.
Owing to also comprising the second water pump be electrically connected with pilot circuit, the feed-water end of this second water pump connects underground brackish water, and the water side of this second water pump is connected with the water-in in brackish water pond; This second water pump enables the brackish water Automatic Extraction in brackish water pond, thus saves labor capacity.
Because telepilot comprises housing, the two ends of this housing are provided with wrist strap; The telepilot of this structure can be worn in user's wrist, makes it easy to carry, convenient operation.
In sum, the desalination water equipment based on remote sensing monitoring of the present invention is compared to prior art, and the brackish water solving saltings can not be directly used in improvement saltings kind of plant, and the technical problem of necessary field monitor; Desalination water equipment utilization sun power based on remote sensing monitoring of the present invention works, and becomes clear water to carry out irrigating plant the brackish water desalination in saltings, thus the kind of plant in improvement saltings; And the present invention is without the need to direct surveillance, carry out cableless communication by telepilot and pilot circuit, make equipment when certain stage situation occurred, the user near equipment can learn in time, also by the timely closing device of telepilot; Therefore after applying the present invention to saltings, saltings plant can be allowed well to grow, reduce the cost of plantation; Also without the need to the monitoring that personnel on site is real-time, thus save labor force.
Accompanying drawing explanation
Fig. 1 is the structural representation of the desalination water equipment that the present invention is based on remote sensing monitoring;
Fig. 2 is the another kind of structural representation of the desalination water equipment that the present invention is based on remote sensing monitoring;
Fig. 3 is the control principle block diagram of the desalination water equipment that the present invention is based on remote sensing monitoring;
Fig. 4 is the structural representation of the telepilot of the desalination water equipment that the present invention is based on remote sensing monitoring;
In figure: 1-brackish water pond, the 2-the first water pump, 20-first flow sensor, 3-pre-processing assembly, 4-reverse osmosis module, 40-second quantity sensor, 41-pH value sensor, 5-clean water basin, 50-clean water basin liquid level sensor, the 60-the first vacuum breaker, the 61-the second vacuum breaker, 7-relief valve, 8-Clean water valve, 10-housing, 11-telepilot, the 12-the second water pump, 13-wrist strap, 14-brackish water pit level sensor.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of desalination water equipment based on remote sensing monitoring comprises brackish water pond 1, and this brackish water pond 1 can splendid attire brackish water, is provided with a brackish water pit level sensor 14 in the bottom in brackish water pond 1.The water outlet in brackish water pond 1 is connected with the feed-water end of the first water pump 2, the water side of the first water pump 2 is provided with first flow sensor 20, the water side of the first water pump 2 is communicated with the feed-water end of pre-processing assembly 3, is provided with the first vacuum breaker 60 between pre-processing assembly 3 and the first water pump 2.This pre-processing assembly 3 can filter brackish water in advance, by carry in brackish water impurity, bacterium or and macrobead lamp filtering.The water side of pre-processing assembly 3 is connected with the feed-water end of reverse osmosis module 4, reverse osmosis module 4 according to principle of reverse osmosis, by brackish water desalination.Relief valve 7 is provided with between reverse osmosis module 4 and pre-processing assembly 3, reverse osmosis module 4 is by dope remaining after brackish water desalination, flow back in brackish water pond 1 from its dope exit end, the dope exit end of reverse osmosis module 4 is allowed to be connected with a feed-water end in brackish water pond 1, and second vacuum breaker 61 is set between the dope exit end and brackish water pond 1 of reverse osmosis module 4, prevent dope from flowing backwards and get back to reverse osmosis module 4.The clear water formed after brackish water desalination flows in clean water basin 5 from clear water output end by reverse osmosis module 4, allows clear water output end be connected with the feed-water end of clean water basin 5.The clear water output end of reverse osmosis module 4 of the present invention is provided with Clean water valve 8 and pH value sensor 41, and wherein pH value sensor 41 can gather the pH value of the clear water that clear water output end flows out, thus makes to judge whether brackish water is desalinated, and the degree of desalination.The top of clean water basin 5 is also provided with a clean water basin liquid level sensor 50.
In order to control desalting plant, the present invention also comprises housing 10, pilot circuit is provided with in housing 10, pilot circuit is electrically connected with brackish water pit level sensor 14, first water pump 2, Clean water valve 8, pH value sensor 41 and clean water basin liquid level sensor 50 respectively, and pilot circuit is also electrically connected with solar panel.Also comprise telepilot 11, telepilot 11 is connected with pilot circuit radio communication.
The clear water output end of the clean water basin 5 of the present embodiment is also provided with second quantity sensor 40, and second quantity sensor 40 is electrically connected with pilot circuit; Make it convert the clear water flow of the clear water output end collected to electrical signal, be transferred to pilot circuit.
As shown in Figure 2, the feed-water end that the present invention also comprises the second water pump 12, second water pump 12 be electrically connected with pilot circuit connects underground brackish water, and the water side of the second water pump 12 is connected with the water-in in brackish water pond 1.When liquid level in brackish water pond 1 is lower than brackish water pit level sensor 14, brackish water pit level sensor 14 transmission of electric signals is to pilot circuit, pilot circuit is allowed to be started by the second water pump 12, extract brackish water from underground to inject in brackish water pond 1, thus ensure that the brackish water supply of invention desalting plant.
As shown in Figure 4, telepilot 11 of the present invention comprises housing, and the two ends of housing are provided with wrist strap 13.After the present invention is come into operation and desalinated, allow user be worn in wrist by wrist strap 13 by telepilot 11, after pilot circuit is to telepilot 11 wireless signal emission, user can directly learn.Be worn on the telepilot 11 in wrist, easy to carry, do not affect other operations of user.
As shown in Figure 3, the pilot circuit of the present embodiment comprises cpu circuit, and signal treatment circuit, wireless communication line and the output circuit to be electrically connected with cpu circuit, signal treatment circuit respectively brackish water pit level sensor 14, clean water basin liquid level sensor 50, pH value sensor 41 and first flow sensor 20 is electrically connected, output circuit is electrically connected with the first water pump 2, Clean water valve 8 and the second water pump 12 respectively, and wireless communication line is connected with telepilot 11 cableless communication.
Above-mentioned pre-processing assembly 3 comprises cartridge filter and activated charcoal filter.
The control method of the desalination water equipment based on remote sensing monitoring of the present embodiment, is specially:
Starting outfit, makes it carry out brackish water desalination process;
First flow sensor 20 does not stop the flow of the water side of detection first water pump 2, and converts the first pump capacity to electric signal transmission to pilot circuit, and the first pump capacity electrical signal received is compared process by pilot circuit; When showing that the first pump capacity is 0, represent that the brackish water water in brackish water pond 1 is not sent in pre-processing assembly 3 by the first water pump 2, now pilot circuit wireless signal emission notifies user to telepilot 11, user operation telepilot 11 launches shutdown signal to pilot circuit, desalting plant is closed, allow user change in time or keep in repair the first water pump 2, preventing miscellaneous part dry running of the present invention; Otherwise normally run;
The pH value of the clear water that the clear water output end that pH value sensor does not stop to gather reverse osmosis module 4 flows out, and convert pH value to electric signal transmission to pilot circuit, pilot circuit compares process after receiving electrical signal corresponding to pH value; When pH value is greater than 5, mean that reverse osmosis module 4 well can not carry out brackish water desalination, should process in time, now pilot circuit wireless signal emission notifies user to telepilot 11, and telepilot 11 launches shutdown signal to pilot circuit; Otherwise normally run;
After the liquid level in brackish water pond 1 is lower than brackish water pit level sensor 14, brackish water pit level sensor 14 converts low liquid level to electric signal transmission to pilot circuit, pilot circuit is according to after electrical signal corresponding to the low liquid level of the brackish water received, pilot circuit wireless signal emission notifies user to telepilot 11, user operation telepilot 11 launches shutdown signal to pilot circuit, then user is allowed timely to water filling in brackish water pond 1, reverse osmosis module 4 cisco unity malfunction can be prevented; Or pilot circuit starts the second water pump, allow it extract brackish water from underground and inject in brackish water pond 1, thus the normal operation of desalting plant can be ensured; Otherwise normally run;
When the clear water liquid level in clean water basin 5 reaches the position of clean water basin liquid level sensor 50, clean water basin liquid level sensor 50 converts clear water liquid level to electrical signal, be transferred to pilot circuit, pilot circuit is according to after electrical signal corresponding to the clear water liquid level received, pilot circuit wireless signal emission notifies user to telepilot 11, then user operation telepilot 11 launches shutdown signal to pilot circuit, prevents the water in clean water basin 5 excessive, causes waste; Otherwise normally run;
Second quantity sensor 40 does not stop the flow of the clear water output end detecting reverse osmosis module 4, and converts clear water output end flow to electric signal transmission to pilot circuit, and electrical signal corresponding for the clear water output end flow received is carried out process and compares by pilot circuit; When clear water output end clear water flow is 0, mean that the clear water output end of reverse osmosis module 4 does not have clear water to ooze out, reverse osmosis module 4 has problems, now pilot circuit wireless signal emission notifies user to telepilot 11, then user launches shutdown signal to pilot circuit closing device from remote controller 11, solve when then shutting down again, prevent equipment dry running; Otherwise normally run;
After desalination terminates, manually or close desalting plant by telepilot 11.From the above, use user of the present invention can recognize institute's produced problem of desalting plant in time, and desalting plant can be closed by telepilot 11, thus the security that the equipment that improves runs, user is monitored in real time without the need to scene.
The above preferred embodiment of the present invention; not in order to limit the present invention; all any amendments done within the spirit and principles in the present invention, etc. same based on the improvement etc. of the desalination water device structure of remote sensing monitoring, all should be included within protection scope of the present invention.
Claims (8)
1., based on a desalination water equipment for remote sensing monitoring, it is characterized in that, comprise
For the brackish water pond of splendid attire brackish water, the bottom in described brackish water pond is provided with brackish water pit level sensor; The water outlet in described brackish water pond is connected with the feed-water end of the first water pump, and the water side of described first water pump is provided with first flow sensor;
For filtering the pre-processing assembly of brackish water in advance, the feed-water end of described pre-processing assembly is connected with the water side of described first water pump, is provided with the first vacuum breaker between described pre-processing assembly and described first water pump;
For desalinating the reverse osmosis module of brackish water, the feed-water end of described reverse osmosis module is connected with the water side of described pre-processing assembly; The feed-water end of described reverse osmosis module is provided with relief valve, and the dope exit end of described reverse osmosis module is communicated with described brackish water pond, and the dope exit end of described reverse osmosis module is provided with the second vacuum breaker; The clear water output end of described reverse osmosis module is provided with Clean water valve and pH value sensor;
For the clean water basin of splendid attire clear water, the feed-water end of described clean water basin is all connected with the clear water output end of described reverse osmosis module; The top of described clean water basin is provided with clean water basin liquid level sensor;
Housing, pilot circuit is provided with in described housing, described pilot circuit is electrically connected with described brackish water pit level sensor, described first water pump, described Clean water valve, described pH value sensor and described clean water basin liquid level sensor respectively, and described pilot circuit is also electrically connected with solar panel;
Telepilot, described telepilot is connected with described pilot circuit radio communication.
2. the desalination water equipment based on remote sensing monitoring according to claim 1, is characterized in that, the clear water output end of described clean water basin is also provided with second quantity sensor, and described second quantity sensor is electrically connected with described pilot circuit.
3. the desalination water equipment based on remote sensing monitoring according to claim 1 and 2, it is characterized in that, also comprise the second water pump be electrically connected with described pilot circuit, the feed-water end of described second water pump connects underground brackish water, and the water side of described second water pump is connected with the water-in in described brackish water pond.
4. the desalination water equipment based on remote sensing monitoring according to claim 3, it is characterized in that, described telepilot comprises housing, and the two ends of described housing are provided with wrist strap.
5. the desalination water equipment based on remote sensing monitoring according to claim 4, it is characterized in that, described pilot circuit comprises cpu circuit, and the signal treatment circuit to be electrically connected with described cpu circuit, wireless communication line and output circuit, described signal treatment circuit is described brackish water pit level sensor respectively, described clean water basin liquid level sensor, described pH value sensor is connected with described first flow sensor electrical, described output circuit respectively with described first water pump, described Clean water valve and described second water pump electrical connection, described wireless communication line is connected with described telepilot cableless communication.
6. the desalination water equipment based on remote sensing monitoring according to claim 5, it is characterized in that, described pre-processing assembly comprises cartridge filter and activated charcoal filter.
7. a control method for the desalination water equipment based on remote sensing monitoring according to claim 1, is characterized in that, comprise the following steps:
S (5), starting outfit, make it carry out brackish water desalination process;
S (10), described first flow sensor do not stop the flow of the water side detecting described first water pump, and the first pump capacity being converted to electric signal transmission to described pilot circuit, electrical signal corresponding for the first pump capacity received is compared process by described pilot circuit; When the first pump capacity is 0, described pilot circuit wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run;
The pH value of the clear water that the clear water output end that S (15), described pH value sensor do not stop to gather described reverse osmosis module flows out, and pH value is converted to electric signal transmission to described pilot circuit, described pilot circuit is compared process after receiving electrical signal corresponding to pH value; When pH value is greater than 5, described pilot circuit wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run;
S (20), after the liquid level in brackish water pond is lower than described brackish water pit level sensor, low liquid level is converted to electric signal transmission to described pilot circuit by described brackish water pit level sensor, described pilot circuit is according to after electrical signal corresponding to the low liquid level of the brackish water received, wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run;
S (25), when the clear water liquid level in described clean water basin reaches the position of described clean water basin liquid level sensor, described clean water basin liquid level sensor converts clear water liquid level to electrical signal, be transferred to described pilot circuit, described pilot circuit is according to after electrical signal corresponding to the clear water high liquid level (HLL) received, wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run;
After S (30), desalination terminate, user manually or operate described telepilot and close described desalting plant.
8. the control method of the desalination water equipment based on remote sensing monitoring according to claim 7, the clear water output end of described clean water basin is also provided with second quantity sensor, described second quantity sensor is electrically connected with described pilot circuit, it is characterized in that, also comprise step S (28), described second quantity sensor does not stop the flow of the clear water output end detecting described reverse osmosis module, and clear water output end flow being converted to electric signal transmission to described pilot circuit, the clear water output end flow electrical signal received is carried out process and compares by described pilot circuit; When clear water output end flow is 0, described pilot circuit wireless signal emission notifies user to described telepilot, and telepilot described in user operation launches shutdown signal to described pilot circuit; Otherwise normally run.
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| CN112154726A (en) * | 2020-09-29 | 2021-01-01 | 兰州理工大学 | Saline and alkaline land is taken out salt and is changed light drainage and irrigation coupling improvement device based on solar energy |
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| CN104150563A (en) * | 2014-08-04 | 2014-11-19 | 沈阳远大科技园有限公司 | Movable sea water desalinization integrated system adopting wind power and solar energy and application method thereof |
| CN204752283U (en) * | 2015-06-30 | 2015-11-11 | 潍坊友容实业有限公司 | Desalted water equipment based on remote sensing control |
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Application publication date: 20151028 |