CN210893789U - Sampling device for online detection of plant nutrient solution - Google Patents
Sampling device for online detection of plant nutrient solution Download PDFInfo
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- CN210893789U CN210893789U CN201921718184.XU CN201921718184U CN210893789U CN 210893789 U CN210893789 U CN 210893789U CN 201921718184 U CN201921718184 U CN 201921718184U CN 210893789 U CN210893789 U CN 210893789U
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Abstract
The utility model discloses a plant nutrient solution sampling device for on-line measuring, including holding the liquid case and inhaling the material pipe, hold the top of liquid case and seted up the sample connection, the last skin weld who holds the liquid case has the support, and the inside of pneumatic cylinder is provided with the hydraulic stem, and hydraulic stem one end is connected with the connecting block when running through the support, and the internal connection of screw thread mouth has the screw thread post, inhales material union coupling in the bottom of screw thread post, inhales one side of material pipe and is connected with the conveyer pipe, and the bottom edge of air extractor runs through there is the bolt. This plant nutrient solution sampling device for on-line measuring inhales the material pipe and passes through the screw thread post, threaded connection between screw thread mouth and the connecting block, inhales through clockwise rotation and expects that the pipe can be fixed in inside the connecting block with it, and anticlockwise rotation inhales the material pipe and can take out it from inside the connecting block, and easy operation is understandable, is favorable to making things convenient for later maintenance personnel to wash the maintenance to the inside of inhaling pipe and conveyer pipe.
Description
Technical Field
The utility model relates to a sampling device technical field specifically is a sampling device is used in plant nutrient solution on-line measuring.
Background
The on-line detection technology is one of the key technologies in the fields of modern process industry and process control, the successful application of the on-line detection technology can greatly promote the implementation of on-line quality control and various advanced control strategies, so that the production process control is more ideal, the on-line detection can be realized on quality parameters such as concentration, viscosity, molecular weight, conversion rate, ratio, liquid level and the like, the on-line detection is realized by equipment directly arranged on a production line, and the real-time detection and real-time feedback are utilized by a soft measurement technology so as to better guide the production and reduce unnecessary waste.
The sampling device for the on-line detection of the existing on-line detection is inconvenient to disassemble, clean and maintain, especially, liquid materials are sampled, the deposition and blockage of liquid inside the sampling device are easily caused for a long time, the sampling device needs to be cleaned in time, and the sampling device for the on-line detection of the plant nutrient solution is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plant nutrient solution sampling device for on-line measuring to provide the inconvenient dismantlement clearance of its sampling device of general on-line measuring and maintain in solving above-mentioned background art, especially take a sample to the material of liquid class, the time causes the inside liquid deposit of sampling device to block up easily, needs in time to clear up the problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plant nutrient solution sampling device for on-line measuring, includes and holds the liquid case and inhale the material pipe, hold the top of liquid case and seted up the sample connection, and the inside of sample connection is provided with first plastic film, the last skin weld who holds the liquid case has the support, and the support top is connected with the pneumatic cylinder, the inside of pneumatic cylinder is provided with the hydraulic stem, and the both sides distribution of pneumatic cylinder has the locating lever, hydraulic stem one end is connected with the connecting block when running through the support, and the inside of connecting block has seted up threaded hole, the internal connection of threaded hole has the screw thread post, inhale the material union coupling in the bottom of screw thread post, and inhale the inside of material pipe and be provided with second plastic film, inhale one side of material pipe and be connected with the conveyer pipe, and the outer wall connection of conveyer pipe has the air exhauster.
Preferably, the first plastic film is connected with the sampling port in an adhesion mode, and the structural size of the outer port of the first plastic film is matched with the structural size of the inner port of the sampling port.
Preferably, the positioning rods are symmetrically distributed about a vertical center line of the bracket, and the hydraulic cylinders form a frame structure through the bracket.
Preferably, the connecting block forms a lifting structure through the hydraulic rod and the hydraulic cylinder, and the connecting block and the liquid storage tank are parallel to each other.
Preferably, the material suction pipe is in threaded connection with the connecting block through the threaded column and the threaded port, and the vertical center line of the material suction pipe is overlapped with the vertical center line of the sampling port.
Preferably, the air extractor and the liquid storage box form a detachable structure through bolts, and the size of the inner opening structure of the air extractor is matched with that of the outer opening structure of the conveying pipe.
Compared with the prior art, the beneficial effects of the utility model are that: this sampling device for plant nutrient solution on-line measuring is provided with first plastic film and second plastic film, and the cross edge of a knife has all been seted up on the surface of first plastic film and second plastic film, and the state cross edge of a knife is closed state when the leisure, is favorable to improving the leakproofness to liquid class material, prevents that liquid from leaking or the dust from getting into, only receives extrusion or atmospheric pressure change cross edge of a knife can the atress open, and the sample is gathered to the liquid material to the convenience.
This plant nutrient solution sampling device for on-line measuring inhales the material pipe and passes through the screw thread post, threaded connection between screw thread mouth and the connecting block, inhales through clockwise rotation and expects that the pipe can be fixed in inside the connecting block with it, and anticlockwise rotation inhales the material pipe and can take out it from inside the connecting block, and easy operation is understandable, is favorable to making things convenient for later maintenance personnel to wash the maintenance to the inside of inhaling pipe and conveyer pipe.
This plant nutrient solution sampling device for on-line measuring's conveyer pipe one end can directly be connected with the inside container of detection device, makes things convenient for the liquid material directly to get into to wait to detect the state, need not personnel's operation transport to realize automated inspection, be favorable to improving detection efficiency.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic view of the front view structure of the material suction pipe of the present invention.
In the figure: 1. a liquid storage tank; 2. a sampling port; 3. a first plastic film; 4. a support; 5. a hydraulic cylinder; 6. a hydraulic lever; 7. positioning a rod; 8. connecting blocks; 9. a threaded opening; 10. a threaded post; 11. a material suction pipe; 12. a second plastic film; 13. a delivery pipe; 14. an air extractor; 15. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a sampling device for online detection of plant nutrient solution comprises a liquid storage box 1 and a material suction pipe 11, wherein a sampling port 2 is formed in the top of the liquid storage box 1, a first plastic film 3 is arranged inside the sampling port 2, the first plastic film 3 is connected with the sampling port 2 in an adhesion mode, the structural size of an outer opening of the first plastic film 3 is identical to that of an inner opening of the sampling port 2, a cross-shaped knife edge is formed in the surface of the first plastic film 3, the cross-shaped knife edge is in a closed state in idle time, the sealing performance of liquid materials is improved, liquid leakage or dust is prevented from entering, the cross-shaped knife edge can be opened under stress only when the liquid materials are extruded or air pressure changes, and the sampling device can collect and sample liquid materials conveniently;
the support 4 is welded on the upper surface of the liquid storage tank 1, the hydraulic cylinder 5 is connected to the top of the support 4, the hydraulic rods 6 are arranged inside the hydraulic cylinder 5, the positioning rods 7 are distributed on two sides of the hydraulic cylinder 5, the positioning rods 7 are symmetrically distributed about the vertical central line of the support 4, the hydraulic cylinder 5 forms a frame structure through the support 4, the positioning rods 7 can move up and down along with the hydraulic rods 6, the stability of the hydraulic rods 6 during operation is improved, and the hydraulic cylinder 5 forms a frame structure through the support 4, so that the clamping and fixing firmness of the support 4 to the hydraulic cylinder 5 is improved;
one end of the hydraulic rod 6 penetrates through the support 4 and is simultaneously connected with a connecting block 8, a threaded port 9 is formed in the connecting block 8, the connecting block 8 forms a lifting structure through the hydraulic rod 6 and the hydraulic cylinder 5, the connecting block 8 is parallel to the liquid storage box 1, the connecting block 8 is beneficial to realizing the work of the device for sampling liquid materials through the lifting structure formed between the hydraulic rod 6 and the hydraulic cylinder 5, and the connecting block 8 is parallel to the liquid storage box 1 and is beneficial to improving the stability of the device during sampling;
the threaded column 10 is connected inside the threaded port 9, the material suction pipe 11 is connected to the bottom of the threaded column 10, a second plastic film 12 is arranged inside the material suction pipe 11, the material suction pipe 11 is in threaded connection with the connecting block 8 through the threaded column 10, the threaded port 9 and the connecting block 8, the vertical central line of the material suction pipe 11 is overlapped with the vertical central line of the sampling port 2, the material suction pipe 11 can be fixed inside the connecting block 8 by clockwise rotating the material suction pipe 11, and the material suction pipe 11 can be taken out from the inside of the connecting block 8 by anticlockwise rotating the material suction pipe 11, so that the operation is simple and easy to understand, the later-period maintenance personnel can conveniently clean, maintain and replace the material suction pipe 11, and the;
one side of the material suction pipe 11 is connected with a conveying pipe 13, the outer wall of the conveying pipe 13 is connected with an air pump 14, a bolt 15 penetrates through the edge of the bottom of the air pump 14, the air pump 14 forms a detachable structure with the liquid storage box 1 through the bolt 15, the structural size of an inner opening of the air pump 14 is matched with the structural size of an outer opening of the conveying pipe 13, the detachable structure formed between the air pump 14 and the liquid storage box 1 through the bolt 15 is beneficial to facilitating maintenance and repair of later-period maintenance personnel, the structural size of the inner opening of the air pump 14 is matched with the structural size of the outer opening of the conveying pipe 13 is beneficial to improving the sealing performance of connection between the air pump 14 and the conveying pipe 13, the air pump 14 can pump out the gas inside the conveying pipe 13, so that the air pressure inside the conveying pipe 13 is reduced, liquid materials can be squeezed into the material suction pipe 11 under the condition that the external air pressure is not changed, and, this mode has good sealed effect, prevents the liquid seepage.
The working principle is as follows: when the sampling device for the online detection of the plant nutrient solution is used, firstly, the hydraulic rod 6 is pushed by the hydraulic cylinder 5 to press the connecting block 8 downwards, the positioning rod 7 can move up and down along with the hydraulic rod 6, which is beneficial to improving the stability of the hydraulic rod 6 during operation, the connecting block 8 can be pressed down to ensure that the material suction pipe 11 penetrates through the first plastic film 3 and is inserted into the liquid storage tank 1, then the air in the conveying pipe 13 is extracted by the air extractor 14, so that the air pressure in the conveying pipe 13 is reduced, the cross-shaped knife edge on the surface of the second plastic film 12 is in an open state under the condition that the external air pressure is not changed, the liquid material is squeezed into the material suction pipe 11 under the pushing of the air pressure, and finally the material directly enters a container in the detection device along the conveying pipe 13 for detection, this mode has good sealed effect, prevents the liquid seepage, and the model of pneumatic cylinder 5 is MOB 50.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a plant nutrient solution sampling device for on-line measuring, holds liquid case (1) and inhales material pipe (11), its characterized in that: the liquid storage tank is characterized in that a sampling port (2) is formed in the top of the liquid storage tank (1), a first plastic film (3) is arranged inside the sampling port (2), a support (4) is welded on the upper surface of the liquid storage tank (1), a hydraulic cylinder (5) is connected to the top of the support (4), hydraulic rods (6) are arranged inside the hydraulic cylinder (5), positioning rods (7) are distributed on two sides of the hydraulic cylinder (5), one end of each hydraulic rod (6) penetrates through the support (4) and is connected with a connecting block (8), a threaded port (9) is formed in each connecting block (8), a threaded column (10) is connected inside each threaded port (9), a material suction pipe (11) is connected to the bottom of the threaded column (10), a second plastic film (12) is arranged inside the material suction pipe (11), and a conveying pipe (13) is connected to one side of the material suction pipe (11), and the outer wall of the conveying pipe (13) is connected with an air extractor (14), and a bolt (15) penetrates through the edge of the bottom of the air extractor (14).
2. The sampling device for the on-line detection of the plant nutrient solution according to claim 1, characterized in that: the first plastic film (3) is connected with the sampling port (2) in a bonding mode, and the structural size of an outer opening of the first plastic film (3) is matched with that of an inner opening of the sampling port (2).
3. The sampling device for the on-line detection of the plant nutrient solution according to claim 1, characterized in that: the positioning rods (7) are symmetrically distributed about the vertical central line of the support (4), and the hydraulic cylinders (5) form a frame structure through the support (4).
4. The sampling device for the on-line detection of the plant nutrient solution according to claim 1, characterized in that: the connecting block (8) is in a lifting structure through the hydraulic rod (6) and the hydraulic cylinder (5), and the connecting block (8) is parallel to the liquid storage tank (1).
5. The sampling device for the on-line detection of the plant nutrient solution according to claim 1, characterized in that: the material suction pipe (11) is in threaded connection with the connecting block (8) through the threaded column (10) and the threaded port (9), and the vertical center line of the material suction pipe (11) is overlapped with the vertical center line of the sampling port (2).
6. The sampling device for the on-line detection of the plant nutrient solution according to claim 1, characterized in that: the air extractor (14) forms a detachable structure with the liquid storage box (1) through a bolt (15), and the structural size of an inner opening of the air extractor (14) is matched with that of an outer opening of the conveying pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921718184.XU CN210893789U (en) | 2019-10-14 | 2019-10-14 | Sampling device for online detection of plant nutrient solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921718184.XU CN210893789U (en) | 2019-10-14 | 2019-10-14 | Sampling device for online detection of plant nutrient solution |
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| Publication Number | Publication Date |
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| CN210893789U true CN210893789U (en) | 2020-06-30 |
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| CN201921718184.XU Active CN210893789U (en) | 2019-10-14 | 2019-10-14 | Sampling device for online detection of plant nutrient solution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609134A (en) * | 2023-06-19 | 2023-08-18 | 浙江大学山东(临沂)现代农业研究院 | Sampling equipment for on-line detection of tomato nutrient solution |
-
2019
- 2019-10-14 CN CN201921718184.XU patent/CN210893789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609134A (en) * | 2023-06-19 | 2023-08-18 | 浙江大学山东(临沂)现代农业研究院 | Sampling equipment for on-line detection of tomato nutrient solution |
| CN116609134B (en) * | 2023-06-19 | 2024-01-30 | 浙江大学山东(临沂)现代农业研究院 | Sampling equipment for on-line detection of tomato nutrient solution |
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