CN118090546B - Alarm device for water-retaining agent test and alarm method thereof - Google Patents
Alarm device for water-retaining agent test and alarm method thereof Download PDFInfo
- Publication number
- CN118090546B CN118090546B CN202410036577.1A CN202410036577A CN118090546B CN 118090546 B CN118090546 B CN 118090546B CN 202410036577 A CN202410036577 A CN 202410036577A CN 118090546 B CN118090546 B CN 118090546B
- Authority
- CN
- China
- Prior art keywords
- component
- telescopic
- test container
- test
- expansion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 239000011248 coating agent Substances 0.000 claims abstract description 42
- 238000000576 coating method Methods 0.000 claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 239000002689 soil Substances 0.000 claims abstract description 23
- 230000000670 limiting effect Effects 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 69
- 239000007788 liquid Substances 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000005253 cladding Methods 0.000 claims description 22
- 238000009423 ventilation Methods 0.000 claims description 17
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 206010058314 Dysplasia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the field of alarm devices and discloses an alarm device and an alarm method for a water-retaining agent test, wherein the alarm device for the water-retaining agent test comprises a bracket, a bottom limiting mechanism, an adjustable gas circulation mechanism, a telescopic coating mechanism and an alarm mechanism which are connected to the bracket, a pressure gauge connected to the telescopic coating mechanism and a test container arranged between the bottom limiting mechanism and the telescopic coating mechanism, wherein the bottom limiting mechanism and the telescopic coating mechanism are connected with the adjustable gas circulation mechanism; according to the invention, the air permeability of the mixture of the water-retaining agent and the soil in a specific proportion can be tested, an accurate value is obtained, the air permeability of the mixture of the water-retaining agent and the soil is detected periodically in the later test process, and when the air permeability parameter exceeds a threshold value, an alarm is timely sent to staff so as to prevent the condition of rotten roots of plants in the long-term detection process, and the detection cost can be effectively reduced.
Description
Technical Field
The invention relates to the field of alarm devices, in particular to an alarm device for a water retention agent test and an alarm method thereof.
Background
The water-retaining agent is insoluble in water, but can absorb water with the weight hundreds times of that of the water-retaining agent, can effectively inhibit water evaporation, and after the water-retaining agent is permeated into soil, the water evaporation is inhibited to a great extent, the saturated water content of the soil is improved, and the saturated water conductivity of the soil is reduced, so that the water release speed of the soil is slowed down, the infiltration and the loss of the soil water are reduced, the purpose of water retention is achieved, the growth and the development of root systems of crops can be stimulated, the length and the number of the roots are increased, and the good growth condition is maintained under drought conditions.
At present, before the water-retaining agent is used, besides the water absorption and water release performance of the water-retaining agent are required to be detected, the influence of different water-retaining agents and different soil proportioning coefficients on the air permeability of soil is required to be considered, but no corresponding test item exists in the current test equipment, the condition that the air permeability of the soil is changed in the test process to cause root rot or dysplasia of a plant is easy to occur, and no corresponding alarm function exists, so that the root rot phenomenon is easy to occur in the slow growth process of the plant and the timely learning cannot be realized.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an alarm device for a water retention agent test and an alarm method thereof.
The invention provides an alarm device for a water-retaining agent test, which comprises a bracket, a bottom limiting mechanism, an adjustable gas circulation mechanism, a telescopic coating mechanism, an alarm mechanism, a pressure gauge, a test container, a water-retaining agent test device and a water-retaining agent test device, wherein the bottom limiting mechanism is connected to the bracket;
the bottom limiting mechanism comprises a supporting component and a first expansion type sealing component arranged at an opening at the upper end of the supporting component, the supporting component is used for supporting the test container, the first expansion type sealing component is used for sealing a gap between the bottom of the test container and the opening at the upper end of the supporting component, and the inner space of the supporting component is communicated with the adjustable gas circulation mechanism;
the telescopic coating mechanism comprises a telescopic coating component and a second expansion type sealing component arranged at the lower end of the telescopic coating component, the telescopic coating component is used for driving the second expansion type sealing component to move towards or away from the test container, the second expansion type sealing component is used for sealing a gap between the test container and an opening at the lower end of the telescopic coating component, and when the first expansion type sealing component and the second expansion type sealing component are in close contact with the outer wall of the test container, a sealing gas circulation channel is formed among the adjustable gas circulation mechanism, the telescopic coating component, the test container and the supporting component, and the manometer is used for collecting gas pressure data at the region between the test container and the telescopic coating component;
the alarm mechanism comprises a control mechanism and an alarm, and the alarm, the adjustable gas circulation mechanism, the pressure gauge, the telescopic cladding assembly, the first expansion type sealing assembly and the second expansion type sealing assembly are all connected with the control mechanism.
As a further optimization scheme of the invention, the support component comprises an upper opening type bracket, a ventilation cavity and an air flow channel which are arranged in the upper opening type bracket, an annular inner eave which is arranged at the opening of the upper end of the upper opening type bracket, and a filter screen which is connected to the middle part of the annular inner eave, wherein the air flow channel is communicated with the ventilation cavity.
As a further optimization scheme of the invention, the first expansion type sealing component comprises a first annular bag body connected to the inner wall of the opening at the upper end of the upper opening type bracket and a first liquid guide pipe connected to the upper opening type bracket, the output end of the first liquid guide pipe is communicated with the inner space of the first annular bag body, and the first annular bag body is positioned above the annular inner eave.
As a further optimization scheme of the invention, the telescopic cladding component comprises a connecting plate connected to the bracket, a movable ring arranged below the connecting plate, an outer extension corrugated pipe and an inner extension corrugated pipe connected between the connecting plate and the movable ring, and a third liquid guide pipe connected to the connecting plate, wherein a sealed liquid storage cavity is formed among the connecting plate, the movable ring, the outer extension corrugated pipe and the inner extension corrugated pipe, and the output end of the third liquid guide pipe is communicated with the sealed liquid storage cavity.
As a further optimization scheme of the invention, the second expansion type sealing assembly comprises a second annular bag body connected to the inner circular surface of the movable ring and a second liquid guide tube connected to the movable ring, and the output end of the second liquid guide tube is communicated with the inner space of the second annular bag body.
As a further optimization scheme of the invention, the adjustable gas circulation mechanism comprises a box body, a micro air pump connected to the inner wall of the box body, an air duct penetrating through the box body, a valve and a branch pipe connected to the air duct, a gas return pipe connected to the output end of the micro air pump and a flowmeter arranged on the gas return pipe, wherein the output end of the gas return pipe penetrates through the connecting plate and extends to the inner ring area of the inner telescopic bellows, and the branch pipe is positioned between the valve and the upper opening bracket.
As a further optimization scheme of the invention, the bottom of the test container is provided with a plurality of uniformly distributed ventilation holes.
As a further optimization scheme of the invention, the control mechanism comprises a circuit control module, a plurality of water pumps and a plurality of hydraulic regulating valves, wherein the plurality of hydraulic regulating valves are respectively connected to the plurality of water pumps, and the output ends of the plurality of hydraulic regulating valves are respectively connected with the first liquid guide pipe, the second liquid guide pipe and the third liquid guide pipe.
An alarm method of a water retention agent test process adopts the alarm device for the water retention agent test, and comprises the following steps:
Mixing the water-absorbing saturated water-retaining agent with soil according to a set proportion, placing the mixture into a test container, placing the test container on a supporting component, and controlling the expansion of a first expansion sealing component until the lower part of the test container is annularly wrapped and limited by the first expansion sealing component;
The telescopic cladding component is controlled to extend through the control mechanism until the lower end of the telescopic cladding component is sleeved on the test container, then the second expansion sealing component is controlled to expand until the upper part of the test container is annularly wrapped and limited by the second expansion sealing component, at the moment, the adjustable gas circulation mechanism works and generates gas flows passing through the telescopic cladding component, the test container, the supporting component and the adjustable gas circulation mechanism, the gas flow rate is gradually increased, the gas is controlled to circulate for a set time according to the current flow rate after the gas flow rate is increased, if the data of the pressure gauge is unchanged, the gas flow rate is continuously increased until the current gas flow rate is recorded when the data of the pressure gauge is changed;
The second expansion sealing assembly is controlled to reset, the telescopic coating assembly is controlled to continuously stretch according to a set speed, the test container is clamped to shake up and down, after shaking, the test container is placed on the supporting assembly again through the telescopic coating assembly, limiting sealing is carried out through the first expansion sealing assembly, and the adjustable gas circulation mechanism is started again to acquire data of gas flow rate;
After the steps are repeated for a set number of times, calculating an average value of the gas flow rate after removing the parameter with larger error, controlling the telescopic coating assembly and the second expansion sealing assembly to reset, planting seeds with the set parameters in the water-retaining agent and soil mixture, controlling the telescopic coating assembly to move downwards after the set time, enabling the second expansion sealing assembly to seal the upper end of the test container again, starting the adjustable gas circulation mechanism to collect data of the gas flow rate, and controlling the alarm to send out an alarm by the control mechanism when the difference value between the data of the gas flow rate and the average value exceeds a threshold value.
The invention has the beneficial effects that: according to the invention, the air permeability of the mixture of the water-retaining agent and the soil in a specific proportion can be tested, an accurate value is obtained, in the process of planting plants in the later period, the air permeability of the mixture of the water-retaining agent and the soil is detected regularly, when the air permeability parameter exceeds a threshold value, an alarm is sent to staff timely, so that the condition of rotten roots of the plants in the long-term detection process is prevented, and the detection cost can be effectively reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
Fig. 4 is an enlarged view of the present invention at B in fig. 2.
In the figure: 1. a bracket; 2. a bottom limit mechanism; 201. an upper opening bracket; 202. a vent chamber; 203. a filter screen; 204. a first annular bladder; 205. a first catheter; 206. an air flow channel; 3. a test vessel; 301. ventilation holes; 4. a telescopic cladding mechanism; 401. a connecting plate; 402. an outer bellows; 403. an inner bellows; 404. a moving ring; 405. a second annular bladder; 406. a second catheter; 407. a third catheter; 5. an adjustable gas circulation mechanism; 501. a case; 502. a micro air pump; 503. an air duct; 504. a valve; 505. a branch pipe; 506. a gas return pipe; 507. a flow meter; 6. a control mechanism; 601. an alarm; 7. a pressure gauge.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thereby practice the subject matter described herein. In addition, features described with respect to some examples may be combined in other examples as well.
As shown in fig. 1-4, an alarm device for a water-retaining agent test comprises a bracket 1, a bottom limiting mechanism 2 connected to the bracket 1, an adjustable gas circulation mechanism 5, a telescopic coating mechanism 4, an alarm mechanism, a pressure gauge 7 connected to the telescopic coating mechanism 4 and a test container 3 arranged between the bottom limiting mechanism 2 and the telescopic coating mechanism 4, wherein the bottom limiting mechanism 2 is arranged right below the telescopic coating mechanism 4, the bottom limiting mechanism 2 and the telescopic coating mechanism 4 are coaxially arranged, and the bottom limiting mechanism 2 and the telescopic coating mechanism 4 are connected with the adjustable gas circulation mechanism 5;
The bottom limiting mechanism 2 comprises a supporting component and a first expansion type sealing component arranged at an opening at the upper end of the supporting component, the supporting component is used for supporting the test container 3, the first expansion type sealing component is used for sealing a gap between the bottom of the test container 3 and the opening at the upper end of the supporting component, and the inner space of the supporting component is communicated with the adjustable gas circulation mechanism 5;
the telescopic coating mechanism 4 comprises a telescopic coating component and a second expansion type sealing component arranged at the lower end of the telescopic coating component, the telescopic coating component is used for driving the second expansion type sealing component to move towards or away from the test container 3, the second expansion type sealing component is used for sealing a gap between the test container 3 and an opening at the lower end of the telescopic coating component, and when the first expansion type sealing component and the second expansion type sealing component are in close contact with the outer wall of the test container 3, a sealing gas circulation channel is formed among the adjustable gas circulation mechanism 5, the telescopic coating component, the test container 3 and the supporting component, and the manometer 7 is used for collecting gas pressure data at the region between the test container 3 and the telescopic coating component;
the alarm mechanism comprises a control mechanism 6 and an alarm 601, wherein the alarm 601, the adjustable gas circulation mechanism 5, the pressure gauge 7, the telescopic cladding component, the first expansion type sealing component and the second expansion type sealing component are all connected with the control mechanism 6;
the bottom of the test container 3 is provided with a plurality of evenly distributed ventilation holes 301 for ventilation.
During detection, mixing the water-retaining agent with saturated water absorption and soil according to a set proportion, placing the mixture into a test container 3, placing the test container 3 on a supporting component, and controlling the first expansion type sealing component to expand until the first expansion type sealing component circularly wraps and limits the lower part of the test container 3;
The telescopic cladding component is controlled to extend through the control mechanism 6 until the lower end of the telescopic cladding component is sleeved on the test container 3, then the second expansion sealing component is controlled to expand until the upper part of the test container 3 is annularly wrapped and limited by the second expansion sealing component, at the moment, the adjustable gas circulation mechanism 5 works and generates gas flows passing through the telescopic cladding component, the test container 3, the supporting component and the adjustable gas circulation mechanism 5, the gas flow rate is gradually increased, after the gas flow rate is increased, the gas is controlled to circulate for a set time according to the current flow rate, if the data of the pressure gauge 7 is unchanged, the gas flow rate is continuously increased until the pressure gauge 7 generates data change, and the current gas flow rate is recorded;
The second expansion sealing component is controlled to reset, the telescopic coating component is controlled to continuously stretch according to a set speed, the test container 3 is clamped to shake up and down, after shaking, the test container 3 is placed on the supporting component again through the telescopic coating component, limiting sealing is carried out through the first expansion sealing component, and the adjustable gas circulation mechanism 5 is started again to carry out data acquisition of gas flow rate;
After repeating the steps for a set number of times, calculating an average value of the gas flow rate after removing the parameter with larger error, controlling the telescopic wrapping component and the second expansion sealing component to reset, planting seeds with set parameters in the water retention agent and soil mixture, after setting time, controlling the telescopic wrapping component to move downwards and enabling the second expansion sealing component to seal the upper end of the test container 3 again, starting the adjustable gas circulation mechanism 5 to collect data of the gas flow rate, and controlling the alarm 601 to send an alarm when the difference value between the data of the gas flow rate and the average value exceeds a threshold value.
The support assembly comprises an upper opening bracket 201, a ventilation cavity 202 and an air flow channel 206 which are arranged in the upper opening bracket 201, an annular inner eave which is arranged at the opening of the upper end of the upper opening bracket 201, and a filter screen 203 which is connected to the middle part of the annular inner eave, wherein the air flow channel 206 is communicated with the ventilation cavity 202;
the first inflatable sealing assembly comprises a first annular bladder 204 connected to the inner wall of the opening at the upper end of the upper opening type bracket 201 and a first liquid guide tube 205 connected to the upper opening type bracket 201, wherein the output end of the first liquid guide tube 205 is communicated with the inner space of the first annular bladder 204, and the first annular bladder 204 is positioned above the annular inner eave.
When the test container 3 is placed on the upper opening bracket 201, the annular inner brim can support the test container 3, at this time, the control mechanism 6 conveys a liquid with a set amount and a set pressure into the first liquid guide tube 205, so that the first annular bag 204 is inflated and swelled and is wrapped at a position of the outer wall of the test container 3 near the bottom, at this time, a gap between the upper opening bracket 201 and the test container 3 is blocked, and the test container 3 is limited and fixed on the upper opening bracket 201, when the air permeability of the water-retaining agent and the soil in the test container 3 needs to be detected, the influence of the gap on the data can be effectively reduced, and the filter screen 203 can prevent a small amount of soil from falling into the ventilation chamber 202 from the ventilation hole 301.
The telescopic cladding assembly comprises a connecting plate 401 connected to the bracket 1, a movable ring 404 arranged below the connecting plate 401, an outer extension corrugated pipe 402 and an inner extension corrugated pipe 403 connected between the connecting plate 401 and the movable ring 404, and a third liquid guide pipe 407 connected to the connecting plate 401, wherein a sealed liquid storage cavity is formed among the connecting plate 401, the movable ring 404, the outer extension corrugated pipe 402 and the inner extension corrugated pipe 403, and the output end of the third liquid guide pipe 407 is communicated with the sealed liquid storage cavity;
The second expansion type sealing assembly comprises a second annular capsule 405 connected to the inner circular surface of the moving ring 404 and a second liquid guide tube 406 connected to the moving ring 404, wherein the output end of the second liquid guide tube 406 is communicated with the inner space of the second annular capsule 405.
When the amount of expansion of the telescopic wrapping assembly is controlled as described above, the control mechanism 6 inputs a liquid with a set amount and a set pressure into the third liquid guide tube 407, the liquid is injected into a sealed liquid storage chamber formed among the connecting plate 401, the moving ring 404, the outer extending corrugated tube 402 and the inner extending corrugated tube 403 from the third liquid guide tube 407, along with the increase of the liquid, the moving ring 404 can be pushed to move towards the upper end opening of the test container 3 until the moving ring 404 is sleeved outside the test container 3, and then the second annular bag 405 is driven to expand and bulge by inputting the liquid with the set amount and the set pressure into the second liquid guide tube 406 until the second annular bag 405 contacts with the position of the outer wall of the test container 3 close to the upper end, and the pressure with the set value is applied on the outer wall of the test container 3, so that the sealing and limiting effects are formed.
The adjustable gas circulation mechanism 5 comprises a box 501, a micro air pump 502 connected to the inner wall of the box 501, an air duct 503 penetrating through the box 501, a valve 504 and a branch pipe 505 connected to the air duct 503, a gas return pipe 506 connected to the output end of the micro air pump 502, and a flowmeter 507 arranged on the gas return pipe 506, wherein the output end of the gas return pipe 506 penetrates through the connecting plate 401 and extends to the inner ring area of the inner bellows 403, and the branch pipe 505 is positioned between the valve 504 and the upper opening bracket 201;
The control mechanism 6 comprises a circuit control module, a plurality of water pumps and a plurality of hydraulic regulating valves, wherein the plurality of hydraulic regulating valves are respectively connected to the plurality of water pumps, and the output ends of the plurality of hydraulic regulating valves are respectively connected with the first liquid guide pipe 205, the second liquid guide pipe 406 and the third liquid guide pipe 407.
When the first annular bladder 204 and the second annular bladder 405 are in close contact with the outer wall of the test container 3 as described above, the inner space of the test container 3 is communicated with the ventilation chamber 202 through the ventilation hole 301, the upper opening forms a passage with the inner bellows 403, at this time, the air duct 503, the micro air pump 502, the air return pipe 506, the inner space of the inner bellows 403, the inner space of the test container 3, the ventilation chamber 202 and the air flow channel 206 form a complete air circulation channel, at this time, the micro air pump 502 is controlled to operate at a set power, at this time, the air starts circulating at a set rate, and if the circulation rate is lower than the air permeability of the water-retaining agent and the soil mixture, the air circulation is not hindered, the pressure gauge 7 is unchanged in value, if the circulation rate is higher than the air permeability, the air at the test container 3 and the inner bellows 403 can be accumulated, the pressure in the area is gradually increased, when the pressure gauge 7 detects the pressure increase, the air circulation rate reaches the upper limit of the air permeability of the water-retaining agent and the soil mixture, in the initial test, the water-retaining agent and the soil mixture can be subjected to repeated shaking in the test container 3, the repeated test can be performed, the accuracy of data detection can be effectively improved, in the non-detection, the telescopic cladding component is reset, the valve 504 on the air duct 503 is opened, and the air ventilation chamber 202 is communicated with the outside air through the air flow channel 206 and the air duct 503, so that the air circulation is realized.
The present embodiment has been described above, but the present embodiment is not limited to the above-described specific embodiment, which is merely illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art in light of the present embodiment, which fall within the protection of the present embodiment.
Claims (9)
1. The utility model provides a water retention agent test alarm device for test, its characterized in that includes support (1), connects bottom stop gear (2) on support (1), adjustable gas circulation mechanism (5), telescopic cladding mechanism (4) and alarm mechanism, connects manometer (7) on telescopic cladding mechanism (4) and locates experimental container (3) between bottom stop gear (2) and telescopic cladding mechanism (4), bottom stop gear (2) are located under telescopic cladding mechanism (4), and bottom stop gear (2) and telescopic cladding mechanism (4) coaxial setting, bottom stop gear (2) and telescopic cladding mechanism (4) are all connected with adjustable gas circulation mechanism (5);
The bottom limiting mechanism (2) comprises a supporting component and a first expansion type sealing component arranged at an opening at the upper end of the supporting component, the supporting component is used for supporting the test container (3), the first expansion type sealing component is used for sealing a gap between the bottom of the test container (3) and the opening at the upper end of the supporting component, and the inner space of the supporting component is communicated with the adjustable gas circulation mechanism (5);
The telescopic coating mechanism (4) comprises a telescopic coating component and a second expansion type sealing component arranged at the lower end of the telescopic coating component, the telescopic coating component is used for driving the second expansion type sealing component to move towards or away from the test container (3), the second expansion type sealing component is used for sealing a gap between the test container (3) and an opening at the lower end of the telescopic coating component, when the first expansion type sealing component and the second expansion type sealing component are in close contact with the outer wall of the test container (3), a sealing gas circulation channel is formed among the adjustable gas circulation mechanism (5), the telescopic coating component, the test container (3) and the supporting component, and the pressure gauge (7) is used for collecting gas pressure data at the region between the test container (3) and the telescopic coating component;
the alarm mechanism comprises a control mechanism (6) and an alarm (601), wherein the alarm (601), the adjustable gas circulation mechanism (5), the pressure gauge (7), the telescopic cladding component, the first expansion type sealing component and the second expansion type sealing component are all connected with the control mechanism (6).
2. The water retaining agent test alarm device according to claim 1, wherein the support assembly comprises an upper opening bracket (201), a ventilation chamber (202) arranged in the upper opening bracket (201) and an air flow channel (206), an annular inner eave arranged at the opening of the upper end of the upper opening bracket (201) and a filter screen (203) connected to the middle part of the annular inner eave, and the air flow channel (206) is communicated with the ventilation chamber (202).
3. The water retaining agent test alarm device according to claim 2, wherein the first expansion seal assembly comprises a first annular bladder (204) connected to an inner wall of an upper end opening of the upper opening bracket (201) and a first liquid guide tube (205) connected to the upper opening bracket (201), an output end of the first liquid guide tube (205) is communicated with an inner space of the first annular bladder (204), and the first annular bladder (204) is located above the annular inner eave.
4. A water retaining agent test alarm device according to claim 3, wherein the telescopic wrapping assembly comprises a connection plate (401) connected to the bracket (1), a moving ring (404) arranged below the connection plate (401), an outer expansion bellows (402) and an inner expansion bellows (403) connected between the connection plate (401) and the moving ring (404), and a third liquid guide tube (407) connected to the connection plate (401), wherein a sealed liquid storage chamber is formed between the connection plate (401), the moving ring (404), the outer expansion bellows (402) and the inner expansion bellows (403), and an output end of the third liquid guide tube (407) is communicated with the sealed liquid storage chamber.
5. The water retaining agent test alarm device according to claim 4, wherein the second inflatable sealing assembly comprises a second annular bladder (405) connected to the inner circular surface of the moving ring (404) and a second catheter (406) connected to the moving ring (404), the output end of the second catheter (406) being in communication with the inner space of the second annular bladder (405).
6. The alarm device for water retaining agent test according to claim 5, wherein the adjustable gas circulation mechanism (5) comprises a box body (501), a micro air pump (502) connected to the inner wall of the box body (501), an air duct (503) penetrating through the box body (501), a valve (504) and a split branch pipe (505) connected to the air duct (503), a gas return pipe (506) connected to the output end of the micro air pump (502) and a flow meter (507) arranged on the gas return pipe (506), the output end of the gas return pipe (506) penetrates through the connecting plate (401) and extends to the inner ring area of the inner telescopic bellows (403), and the split branch pipe (505) is located between the valve (504) and the upper opening bracket (201).
7. The water retaining agent test alarm device according to claim 6, wherein the bottom of the test container (3) is provided with a plurality of evenly distributed ventilation holes (301).
8. The water retaining agent test alarm device according to claim 7, wherein the control mechanism (6) comprises a circuit control module, a plurality of water pumps and a plurality of hydraulic adjusting valves, the plurality of hydraulic adjusting valves are respectively connected to the plurality of water pumps, and output ends of the plurality of hydraulic adjusting valves are respectively connected to the first liquid guide pipe (205), the second liquid guide pipe (406) and the third liquid guide pipe (407).
9. An alarm method of a water retention agent test process, characterized in that an alarm device for a water retention agent test as claimed in any one of claims 1 to 8 is used, comprising the steps of:
Mixing the water-absorbing saturated water-retaining agent with soil according to a set proportion, then placing the mixture into a test container (3), placing the test container (3) on a supporting component, and controlling the expansion of a first expansion sealing component until the lower part of the test container (3) is annularly wrapped and limited by the first expansion sealing component;
The telescopic cladding component is controlled to extend through the control mechanism (6) until the lower end of the telescopic cladding component is sleeved on the test container (3), then the second expansion sealing component is controlled to expand until the second expansion sealing component circularly wraps and limits the upper part of the test container (3), at the moment, the adjustable gas circulation mechanism (5) works and generates gas flows passing through the telescopic cladding component, the test container (3), the supporting component and the adjustable gas circulation mechanism (5), the gas flow rate is gradually increased, the gas is controlled to circulate for a set time according to the current flow rate after the gas flow rate is increased, if the data of the pressure gauge (7) is unchanged, the gas flow rate is continuously increased until the pressure gauge (7) generates data change, and the current gas flow rate is recorded;
The second expansion sealing assembly is controlled to reset, the telescopic coating assembly is controlled to continuously stretch according to a set speed, the test container (3) is clamped to shake up and down, after shaking, the test container (3) is placed on the supporting assembly again through the telescopic coating assembly, limiting sealing is carried out through the first expansion sealing assembly, and the adjustable gas circulation mechanism (5) is started again to acquire data of gas flow rate;
After the steps are repeated for a set number of times, the average value of the gas flow rate is calculated after the parameters with larger errors are removed, the telescopic coating component and the second expansion type sealing component are controlled to reset, then seeds with the set parameters are planted in the water-retaining agent and soil mixture, after the set time is set, the telescopic coating component is controlled to move downwards, the second expansion type sealing component is enabled to seal the upper end of the test container (3) again, the adjustable gas circulation mechanism (5) is started to collect data of the gas flow rate, and when the difference value between the data of the gas flow rate and the average value exceeds a threshold value, the control mechanism (6) controls the alarm (601) to give an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410036577.1A CN118090546B (en) | 2024-01-10 | 2024-01-10 | Alarm device for water-retaining agent test and alarm method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410036577.1A CN118090546B (en) | 2024-01-10 | 2024-01-10 | Alarm device for water-retaining agent test and alarm method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118090546A CN118090546A (en) | 2024-05-28 |
| CN118090546B true CN118090546B (en) | 2024-08-30 |
Family
ID=91152008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410036577.1A Active CN118090546B (en) | 2024-01-10 | 2024-01-10 | Alarm device for water-retaining agent test and alarm method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118090546B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610129A (en) * | 2020-03-25 | 2020-09-01 | 浙江工业大学 | Method and device for measuring permeability coefficient of porous medium under multiple working conditions |
| CN114174797A (en) * | 2019-07-04 | 2022-03-11 | 巴斯夫欧洲公司 | Method for determining properties of superabsorbers |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011185760A (en) * | 2010-03-09 | 2011-09-22 | Yamagata Promotional Organization For Industrial Technology | Moisture permeability/gas permeability measuring device |
| EP3243565B1 (en) * | 2015-01-07 | 2022-07-13 | Nippon Shokubai Co., Ltd. | Water absorbent agent and method for producing same |
| CN215004879U (en) * | 2021-05-14 | 2021-12-03 | 北京化工大学 | Ultrahigh pressure gas permeation testing device |
| CN114993917B (en) * | 2022-06-15 | 2023-05-16 | 江苏科技大学 | Device and method for continuously testing gas permeability coefficient of unsaturated soil under variable suction |
| CN116660123A (en) * | 2023-05-30 | 2023-08-29 | 中国地质调查局哈尔滨自然资源综合调查中心 | Ecological environment bearing capacity monitoring and early warning method and device based on permeability coefficient |
-
2024
- 2024-01-10 CN CN202410036577.1A patent/CN118090546B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114174797A (en) * | 2019-07-04 | 2022-03-11 | 巴斯夫欧洲公司 | Method for determining properties of superabsorbers |
| CN111610129A (en) * | 2020-03-25 | 2020-09-01 | 浙江工业大学 | Method and device for measuring permeability coefficient of porous medium under multiple working conditions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118090546A (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3787628B2 (en) | Intermittent automatic irrigation system | |
| CN105794597A (en) | System and method for carrying out layered constant-pressure filtration irrigation according to root distribution of plants | |
| CN108207261A (en) | A kind of irrigation and water conservancy water-saving irrigation system with real time monitoring function | |
| CN105613213A (en) | Water-infiltrating drip irrigation emitter | |
| CN118090546B (en) | Alarm device for water-retaining agent test and alarm method thereof | |
| US20240164266A1 (en) | Hydroponic apparatus | |
| CN102577909A (en) | U-shaped permeating irrigation device | |
| CN107024572B (en) | Evaporate and ooze appearance to paddy field soil water groundwater conversion process automatic monitoring | |
| CN214413755U (en) | Deep-root fertilizing device for agricultural planting | |
| RU2424655C2 (en) | Device for internal soil irrigation | |
| CN114982447B (en) | Grape water and fertilizer integrated programmable control system and method based on Internet of things | |
| CN115868399A (en) | Normal position negative pressure water-saving irrigation system | |
| CN111512937B (en) | Timely irrigation system | |
| CN210610603U (en) | Three-dimensional planting frame | |
| CN102792875A (en) | U-shaped drip irrigator | |
| CN219612726U (en) | Timing watering drip irrigation equipment for potato planting | |
| CN113080011A (en) | Multistage layering irrigation equipment based on drip irrigation | |
| CN218680457U (en) | Dragon fruit seedling culture apparatus | |
| CN116058261A (en) | Drip irrigation system for tea planting and method thereof | |
| CN117063743A (en) | Ornamental Chinese flowering crabapple cultivation device | |
| CN221468571U (en) | Agricultural irrigation is with pottery drip irrigation equipment | |
| CN216058506U (en) | Green house vegetables watering equipment | |
| CN219593257U (en) | Cultivation equipment of integrated equipment is driped irrigation to pluggable | |
| SU1743486A1 (en) | Plant irrigation device | |
| CN215736197U (en) | Automatic watering device that tea planting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |