Anti-interference ammonia nitrogen online detection device

Abstract

The invention provides an anti-interference ammonia nitrogen on-line detection device, and belongs to the technical field of water quality detection devices, the anti-interference ammonia nitrogen on-line detection device comprises a shell member, a monitoring module, a pressurization filtering assembly, a mixing correction assembly, a pure water module, a linkage swing assembly and a mixing member, a raw water sample can be added into the pressurizing barrel through an opening of the sample adding barrel, and the filter element can be synchronously driven to rotate back and forth within a certain range through the transmission mechanism while the pressurizing lead screw rotates to drive the inner piston column to move downwards, so that efficient filtering work is formed; the mixing barrel is located under the outlet of the filtering barrel and can be matched with the pure water module to carry out volume correction work on the filtered water sample, so that the detection precision of the water sample is improved, and the problems of large-particle impurities in the original water sample and inaccurate detection results caused by volume change due to filtering are solved; and in addition, after the sliding frame moves downwards in place, the mixing wheel can be synchronously driven to form a mixing rotation action, so that the detection efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of water quality detection devices, and in particular to an anti-interference ammonia nitrogen online detection device. Background Art

[0002] Ammonia nitrogen refers to combined nitrogen in the form of ammonia or ammonium ions, that is, free ammonia (NH3) and ammonium ions (NH 4+ ) is a harmful nutrient in water bodies, which can lead to eutrophication and is the main oxygen-consuming pollutant in water bodies.

[0003] Ammonia nitrogen not only easily combines with organic matter to form compounds such as amino acids, which have adverse effects on water quality, but also forms compounds such as nitrites and nitrates, which are toxic and lethal to aquatic organisms. In addition, ammonia nitrogen is easy to volatilize. When the ammonia nitrogen in the water reaches a certain concentration, it will release ammonia gas, which will cause harm to the environment and human health.

[0004] As a device for detecting the ammonia nitrogen content in water bodies, although the traditional ammonia nitrogen detector can quickly detect the ammonia nitrogen content in water samples, since the water samples contain large particles such as floating objects, the large particles will directly affect the detection results of the ammonia nitrogen content in the water samples, resulting in deviations in the detection values. Summary of the invention

[0005] The purpose of the present invention is to provide an interference-resistant ammonia nitrogen online detection device, which can not only use the filter element to filter the original water sample, but also form a transmission connection with the pressurized screw through a linkage swing assembly, which can form a reciprocating rotation of the filter element while pressurizing the filtration, and cooperate with the transmission connection formed with the mixing component to synchronously form a rotation action of the mixing wheel at a set height position, thereby accelerating the mixing efficiency of the filtered water sample and pure water.

[0006] The object of the present invention is achieved through such a technical solution, an anti-interference ammonia nitrogen online detection device, comprising a housing component, a pure water module, a pressurized filtration component, a mixing correction component, a linkage swing component and a mixing component, the pressurized filtration component comprises a pressurized barrel, a filter barrel, a pressurized screw and a filter element, the mixing correction component comprises a mixing barrel, the linkage swing component comprises a swing rod, and the mixing component comprises a slide and a mixing wheel;

[0007] The filter barrel is fixed at the bottom end of the pressurized barrel and is installed inside the outer shell component. The filter barrel is connected to the inner cavity of the pressurized barrel. The pressurized lead screw is symmetrically screwed on both sides of the pressurized barrel. An inner piston column is slidably inserted into the inner cavity of the pressurized barrel. The top two sides of the inner piston column are respectively connected with the pressurized lead screw. The filter element is screwed in the inner cavity of the filter barrel.

[0008] The weighable mixing barrel is installed at the inner lower end of the outer shell component and is located directly below the filter barrel. The lower end of the inner cavity of the filter barrel can establish a water channel connection with the mixing barrel. The pure water module is located on one side of the mixing barrel and can quantitatively supply water to the mixing barrel.

[0009] The two sides of the pressurizing barrel are also rotatably connected with side drive pulleys, the pressurizing screw on the same side is connected to the side drive pulleys, the outer ends of the rotating shafts on both sides of the filter element are fixedly connected with swing rods, and the eccentric ends of the side drive pulleys on the same side are slidably connected with the swing rods;

[0010] Bottom bevel gears are screwed on both ends of the lower side of the filter barrel, and the bottom bevel gear on the same side is connected to the side drive pulley. The slide is located below the filter barrel and can be automatically raised and lowered. The mixing wheels are symmetrically screwed on both ends of the main body of the slide. A mixing bevel gear is fixed on the top shaft end of each group of mixing wheels, and after the mixing wheels extend downward into the mixing barrel, the mixing bevel gears on the same side just mesh with the bottom bevel gears.

[0011] The use process of the technical solution of the present invention is as follows:

[0012] The side wall of the inner piston column is connected with a water channel connected to the outside, so that water samples can be added into the inner cavity of the pressurized barrel;

[0013] By starting the rotary drive mechanism connected to the pressurized lead screw, the pressurized lead screw and the inner piston column are driven to form a coordinated transmission, so that the inner piston column moves downward, providing pressure for the water sample to pass through the filter element. The water sample filtered by the filter element will enter the inner cavity of the filter barrel, and can be tested directly or accurately after adding pure water and correcting the concentration;

[0014] The mixing bucket is used to add pure water to the water sample after being filtered by the filter element to perform capacity correction, so that the volume of the tested water sample is consistent with the volume of the water sample before filtration, eliminating the influence of the filter element filtration on the test results;

[0015] The pure water module can add a certain amount of pure water into the mixing barrel to mix with the water sample;

[0016] The mixing wheel can be driven downward by the sliding frame that can be automatically lifted and lowered, so that the mixing wheel moves downward and extends into the interior of the mixing barrel. After the wheel body of the mixing wheel extends into the mixing barrel and reaches the position, the mixing bevel gear just meshes with the bottom bevel gear, and the mixing wheel can be driven to mix the water sample and pure water in the mixing barrel.

[0017] After the mixing is completed, the upward movement of the slide can drive the mixing wheel to move to the top of the mixing barrel, which will not interfere with the weighing and metering of the water sample in the mixing barrel. The calibrated water sample can be accurately tested.

[0018] By adopting the above technical solution, the present invention can achieve the following beneficial effects:

[0019] (1) The present invention not only installs an inner piston column and a filter element in the inner cavity formed by the pressurizing barrel and the filtering barrel, but also drives the movement of the inner piston column through the cooperative transmission formed by the pressurizing screw and the inner piston column to provide power for the filtering of the water sample through the filter element. In addition, while the pressurizing screw rotates, the side transmission pulley is driven to rotate through the transmission mechanism, so that the eccentric end of the side transmission pulley forms a sliding connection with the swing rod, thereby synchronously driving the filter element to reciprocate within a certain stroke range, thereby improving the use efficiency of the filter element within a certain unit area and increasing the service life of the filter element.

[0020] (2) The present invention further provides a mixing barrel below the filter barrel. Since the original water sample loses some capacity after being filtered by the filter element, the volume of the water sample entering the mixing barrel is smaller than that of the original water sample, which affects the accuracy of the detection result. Therefore, it is necessary to calibrate the volume of the water sample after being filtered by the filter element. The pure water module can cover the filtered water sample in the mixing barrel and add pure water, so that the volume of the filtered water sample is consistent with that of the original water sample. This can not only remove large particle impurities in the original water sample that affect the detection result, but also improve the detection accuracy through volume correction, thereby improving the ammonia nitrogen detection accuracy of the water sample in both directions.

[0021] (3) In the present invention, an automatically liftable slide is provided between the filter barrel and the mixing barrel. After the original water sample is filtered by the filter element and enters the mixing barrel, the slide is moved downward, so that the mixing bevel gear and the bottom bevel gear are meshed. As the pressure screw rotates, the inner piston column is driven to reset and move upward, which can form a rotation action of the bottom bevel gear, so that the bottom bevel gear and the mixing bevel gear form a coordinated transmission, thereby driving the wheel body of the mixing wheel extended into the mixing barrel to mix the water sample and the pure water in the mixing process, so that the pure water can be quickly integrated with the filtered water sample, which will not affect the accuracy of the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 A schematic diagram of the overall structure of an anti-interference ammonia nitrogen online detection device provided by the present invention;

[0024] Figure 2 It is a structural schematic diagram of the housing component and the monitoring module of the present invention;

[0025] Figure 3This is a schematic diagram of the installation structure of the pressurized filter assembly of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the inner piston column part of the present invention;

[0027] Figure 5 It is a structural schematic diagram of the filter element frame part of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the hybrid correction component of the present invention;

[0029] Figure 7 It is a structural schematic diagram of the pure water module of the present invention;

[0030] Figure 8 It is a structural schematic diagram of the linkage swing assembly of the present invention;

[0031] Fig. 9 It is a structural schematic diagram of the hybrid component of the present invention;

[0032] Fig.10 It is a structural schematic diagram of the carriage part of the present invention;

[0033] Fig.11 It is a structural schematic diagram of the first state of the top limit driving structure of the present invention;

[0034] Fig.12 It is a structural schematic diagram of the second state of the top limit driving structure of the present invention.

[0035] Reference numerals:

[0036] 1. Shell member; 101. Shell body; 102. Main front cover;

[0037] 2. Monitoring module; 201. Ammonia nitrogen detector; 202. Numerical printer; 203. Main controller; 204. First water inlet pipe; 205. Second water inlet pipe; 206. Third water inlet pipe; 207. Drain pipe; 208. Drain valve;

[0038] 3. Pressurized filter assembly; 301. Pressurized barrel; 302. Filter barrel; 303. Barrel seat; 304. Inner piston column; 305. Screw slider; 306. Screw top rotary seat; 307. Screw bottom rotary seat; 308. Pressurized screw; 309. Sample adding barrel; 310. Sample adding tube; 311. Filter element frame; 312. Filter element shaft; 313. Side seat; 314. Filter element; 315. Mixing outlet pipe; 316. Detection outlet pipe; 317. Water outlet valve; 318. Sample adding valve;

[0039] 4. Mixing calibration assembly; 401. Weighing platform; 402. Mixing barrel; 403. Pure water inlet pipe; 404. Mixing detection pipe; 405. Mixing detection valve;

[0040] 5. Pure water module; 501. Pure water machine; 502. Pure water outlet pipe; 503. Pure water outlet valve; 504. Flushing pipe; 505. Flushing valve;

[0041] 6. Linkage swing assembly; 601. Bevel gear at the bottom of the screw; 602. Side shaft seat; 603. Side transmission shaft; 604. Side transmission bevel gear; 605. Swing rod; 606. Side transmission pulley; 607. Eccentric column;

[0042] 7. Mixed component; 701. Bottom transmission rotary seat; 702. Bottom transmission shaft; 703. Bottom pulley; 704. Connecting belt; 705. Bottom bevel gear; 706. Bottom slide seat; 707. Sliding column; 708. Sliding rack; 709. Mixed wheel; 710. Mixed bevel gear; 711. Lifting electric cylinder; 712. Bottom flat seat;

[0043] 8. Top limit driving component; 801. Top shell; 802. Top cover; 803. Moving groove; 804. Opening and closing electric cylinder; 805. Opening and closing connecting plate; 806. Driving shaft; 807. Driving gear; 808. Cover plate; 809. Screw driving motor; 810. Screw connecting gear. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0046] like Figure 1-Figure 12As shown, an anti-interference ammonia nitrogen online detection device, the filter barrel 302 in the pressurized filter assembly 3 is fixed at the bottom end of the pressurized barrel 301, and the filter barrel 302 and the pressurized barrel 301 are both installed inside the outer shell component 1, the filter barrel 302 is connected to the inner cavity of the pressurized barrel 301, the pressurized screw 308 is symmetrically screwed on both sides of the pressurized barrel 301, and an inner piston column 304 is slidably inserted into the inner cavity of the pressurized barrel 301 to provide water pressure for water sample filtering, and the top two sides of the inner piston column 304 are respectively connected with the pressurized screw 308, and the filter element 314 is screwed into the inner cavity of the filter barrel 302, and within the rotation range of the filter element 314, it can always cover the interface between the inner cavity of the pressurized barrel 301 and the inner cavity of the filter barrel 302;

[0047] The weighable mixing barrel 402 is installed at the inner lower end of the outer shell member 1 and is located directly below the filter barrel 302. The lower end of the inner cavity of the filter barrel 302 can establish a water channel connection with the mixing barrel 402. The pure water module 5 is located on one side of the mixing barrel 402 and can quantitatively supply water to the mixing barrel 402.

[0048] The two sides of the pressurizing barrel 301 are also rotatably connected with side transmission pulleys 606, and the pressurizing screw 308 on the same side is in transmission connection with the side transmission pulley 606. The outer ends of the rotating shafts on both sides of the filter element 314 are fixedly connected with swing rods 605, and the eccentric ends of the side transmission pulleys 606 on the same side are in sliding connection with the swing rods 605, which can synchronously drive the filter element 314 to reciprocate within a certain range of travel;

[0049] Bottom bevel gears 705 are also screwed on both ends of the lower side of the filter barrel 302, and the bottom bevel gear 705 on the same side is connected to the side drive pulley 606. The slide 708 is located below the filter barrel 302 and can be automatically raised and lowered. The mixing wheels 709 are symmetrically screwed on the two ends of the main body of the slide 708. A mixing bevel gear 710 is fixed to the top shaft end of each group of mixing wheels 709, and after the mixing wheels 709 extend downward into the mixing barrel 402, the mixing bevel gear 710 on the same side just meshes with the bottom bevel gear 705.

[0050] Here’s how it works:

[0051] The side wall of the inner piston column 304 is connected with a water channel connected to the outside, and when the inner piston column 304 is at the upper limit position, a certain amount of water sample to be tested can be added into the inner cavity of the pressurized barrel 301;

[0052] By starting the rotary drive mechanism connected to the pressurizing screw 308, the pressurizing screw 308 and the inner piston column 304 can be driven to form a coordinated transmission, driving the inner piston column 304 to move downward, providing pressure for the water sample to pass through the filter element 314 for filtering out large particles of impurities in the water sample that affect the test results, and eliminating the interference of large particles of impurities in the original water sample on the test results;

[0053] The water sample filtered by the filter element 314 will enter the inner cavity of the filter barrel 302, and can be directly tested or accurately tested after adding pure water and correcting the concentration;

[0054] The mixing barrel 402 is used to add pure water to the water sample after being filtered by the filter element 314 to perform capacity correction so that the capacity of the tested water sample is consistent with the capacity of the water sample before filtration, thereby eliminating the influence of the filtration of the filter element 314 on the test result;

[0055] The pure water module 5 can add a certain amount of pure water into the mixing barrel 402 to mix with the water sample;

[0056] The mixing wheel 709 can be driven downward by the automatically lifting slide 708, so that the mixing wheel 709 moves downward and extends into the mixing barrel 402. After the wheel body of the mixing wheel 709 is inserted into the mixing barrel 402 and in place, the mixing bevel gear 710 is meshed with the bottom bevel gear 705, and the mixing wheel 709 can be driven to mix the water sample and the pure water in the mixing barrel 402.

[0057] In addition, when the slide 708 drives the mixing bevel gear 710 and the mixing wheel 709 to move downward, in order to allow the mixing bevel gear 710 to mesh with the bottom bevel gear 705, it is necessary to first pause the rotation drive mechanism connected to the bottom bevel gear 705, and then restart the rotation drive mechanism connected to the bottom bevel gear 705 after the mixing bevel gear 710 meshes with the bottom bevel gear 705.

[0058] Furthermore, the upward movement of the slide 708 can drive the mixing wheel 709 to move above the mixing barrel 402, which will not interfere with the weighing and metering of the water sample in the mixing barrel 402, and the calibrated water sample can be accurately tested.

[0059] The specific structure of the housing component 1 and the monitoring module 2 is as follows: Figure 2 As shown, the front opening of the outer shell 101 is covered with a main front cover 102, the bottom end of the ammonia nitrogen detector 201 is fixedly connected to the bottom end of the inner cavity of the outer shell 101, and the numerical printer 202 and the main controller 203 are installed on the top of the ammonia nitrogen detector 201;

[0060] An opening facing the ammonia nitrogen detector 201 and the numerical printer 202 is provided on the lower side of the main body of the main front cover 102, so that the display screen of the ammonia nitrogen detector 201 can be viewed conveniently and the paper report sheet printed by the numerical printer 202 can be taken out;

[0061] The other side of the main body of the ammonia nitrogen detector 201 is connected with the first water inlet pipe 204, the second water inlet pipe 205 and the third water inlet pipe 206 in sequence, the drain pipe 207 is connected to the rear side of the main body of the ammonia nitrogen detector 201, and the drain valve 208 is installed in the main pipe of the drain pipe 207 and is electrically connected to the main controller 203;

[0062] The outlet of the drain pipe 207 passes through the rear side wall of the outer shell 101 and extends to the outside to facilitate the discharge of tested water samples and cleaning waste water.

[0063] The specific structure of the pressure filter assembly 3 is as follows: Figure 3 , Figure 4 and Figure 5 As shown, the outer surface of the pressurized barrel 301 is fixedly connected to the back of the inner cavity of the outer shell 101 through the barrel seat 303, and the top sides of the inner piston column 304 are fixedly installed with screw sliders 305, and the screw sliders 305 on the same side are matched and connected to the pressurized screw 308;

[0064] The top of the inner cavity of the outer shell 101 is symmetrically fixedly installed with a screw top rotating seat 306, and the two sides of the barrel seat 303 are symmetrically fixedly connected with a screw bottom rotating seat 307. The upper end of the pressurizing screw 308 is rotatably connected to the screw top rotating seat 306, and the lower end is rotatably connected to the screw bottom rotating seat 307;

[0065] The sample adding barrel 309 is connected to the rear side wall of the pressurized barrel 301 through the sample adding tube 310. The sample adding valve 318 is installed in the main pipe of the sample adding tube 310 and is electrically connected to the main controller 203.

[0066] When the sample adding valve 318 is opened, the measured raw water sample can be added into the pressurized barrel 301 through the sample adding barrel 309 and the sample adding tube 310. In order to allow the raw water sample to be added into the pressurized barrel 301, the sample adding tube 310 is arranged to be inclined toward the inner cavity of the pressurized barrel 301 as a whole, so that the raw water sample can enter the inner cavity of the pressurized barrel 301 under the action of gravity.

[0067] The filter element 314 is installed and fixed in the inner frame of the filter element frame 311. The filter element frame 311 and the filter element 314 are rotatably connected in the inner cavity of the filter barrel 302. The two outer ends of the filter element frame 311 are transversely fixedly connected with the filter element shaft 312. The openings at both ends of the filter barrel 302 are covered with side seats 313. The filter element shaft 312 on the same side is rotatably connected in the side seat 313.

[0068] The bottom end of the inner piston column 304 is consistent with the cross section of the filter element frame 311 and the top end of the filter element 314, which can ensure that the original water sample is filtered by the filter element 314 and enters the inner cavity of the filter barrel 302;

[0069] The mixed water outlet pipe 315 is connected to the middle of the bottom cavity wall of the filter barrel 302, one end of the detection water outlet pipe 316 is connected to the mixed water outlet pipe 315, and the other end is connected to the first water inlet pipe 204, and the main pipes of the mixed water outlet pipe 315 and the detection water outlet pipe 316 are both installed with water outlet valves 317, and the water outlet valves 317 are electrically connected to the main controller 203, and the mixed water outlet pipe 315 and the detection water outlet pipe 316 can be opened and closed separately;

[0070] When the outlet valve 317 in the mixed outlet pipe 315 is closed and the outlet valve 317 in the detection outlet pipe 316 is opened, the water sample filtered by the filter element 314 can directly enter the inspection chamber in the ammonia nitrogen detector 201 through the detection outlet pipe 316 and the first water inlet pipe 204, and the filtered raw water sample can be quickly tested first.

[0071] The specific installation position of the hybrid correction component 4 is as follows Figure 6 As shown, the pure water inlet pipe 403 is connected to one end of the upper side wall of the mixing barrel 402, the bottom end of the weighing platform 401 is fixedly installed at the bottom end of the inner cavity of the outer shell 101, and the top of the mixing barrel 402 is placed on the top of the weighing platform 401 and cannot move freely, so as to form a precise weighing work of the mixing barrel 402 and the water sample in the mixing barrel 402;

[0072] One end of the lower side wall of the mixing barrel 402 is connected to a mixing detection pipe 404, and the other end of the mixing detection pipe 404 is inserted into the entrance of the second water inlet pipe 205 and does not contact the second water inlet pipe 205, so that the second water inlet pipe 205 and the ammonia nitrogen detector 201 will not affect the weighing work of the weighing platform 401 on the mixing barrel 402;

[0073] The mixing detection valve 405 is installed in the main line of the mixing detection pipe 404 and is electrically connected to the main controller 203. After the filtered water sample and the pure water are evenly mixed in the mixing barrel 402, the mixing detection valve 405 is opened, and the water sample after capacity correction is added into the inspection chamber in the ammonia nitrogen detector 201 through the mixing detection pipe 404 and the second water inlet pipe 205, so that the filtered water sample can be accurately inspected.

[0074] The specific structure of the pure water module 5 is as follows Figure 7 As shown, the pure water machine 501 is integrally mounted and fixed on the back of the inner cavity of the outer shell 101, and a pure water outlet pipe 502 is connected to one side outlet of the pure water machine 501, and a flushing pipe 504 is connected to the other side outlet. The other end of the pure water outlet pipe 502 is inserted into the inlet of the pure water inlet pipe 403, and also does not contact the pure water inlet pipe 403, so that the pure water outlet pipe 502 does not affect the weighing work of the weighing platform 401 on the mixing barrel 402;

[0075] The other end of the flushing pipe 504 is connected to the third water inlet pipe 206. After the test is completed, the test chamber of the ammonia nitrogen detector 201 can be cleaned with pure water, and the cleaned waste water can be discharged through the drain pipe 207 to ensure the cleanliness of the test chamber of the ammonia nitrogen detector 201, so that the accuracy of each test operation can be guaranteed;

[0076] The pure water outlet valve 503 is installed in the main line of the pure water outlet pipe 502, and the flushing valve 505 is installed in the main line of the flushing pipe 504, and both are electrically connected to the main controller 203, which can control the pure water to enter the mixing barrel 402 through the pure water outlet pipe 502, and enter the inspection chamber of the ammonia nitrogen detector 201 through the flushing pipe 504.

[0077] The specific structure of the linkage swing assembly 6 is as follows: Figure 8 As shown, the screw bottom bevel gear 601 is plugged and fixed at the bottom end of the pressure screw 308, and the two ends of the barrel seat 303 are fixedly connected with the side shaft seats 602, and each set of side shaft seats 602 is rotatably connected with the side transmission shaft 603, and the side transmission bevel gear 604 and the side transmission pulley 606 are plugged and fixed in pairs in the side transmission shaft 603 on the same side, and the side transmission bevel gear 604 is meshed with the screw bottom bevel gear 601;

[0078] The bottom end of the swing rod 605 is fixedly connected to the outer shaft end of the filter element shaft 312, and the outer eccentric end of the side drive pulley 606 is fixedly connected to an eccentric column 607, and the eccentric column 607 is slidably connected to the upper end groove of the swing rod 605;

[0079] The pressurized lead screw 308 can rotate and cooperate with the lead screw slider 305 to drive the inner piston column 304 to move, and at the same time, the lead screw bottom bevel gear 601 can be synchronously driven to rotate. The lead screw bottom bevel gear 601 and the side transmission bevel gear 604 form a cooperative transmission, which can drive the side transmission pulley 606 to rotate. The eccentric column 607 connected eccentrically and the swing rod 605 form a sliding cooperation, which can drive the symmetrically distributed swing rod 605 to synchronously form a swinging motion, thereby driving the filter element frame 311 and the filter element 314 in the inner cavity of the filter barrel 302 to form a stable reciprocating rotation operation, thereby improving the use efficiency and life of the filter element 314.

[0080] In order to enable the symmetrically distributed pressurizing screws 308 to drive the rotation of the two sets of side drive pulleys 606 through the meshing formed by the screw bottom bevel gear 601 and the side drive bevel gear 604, so as to achieve the purpose of synchronously driving the filter element frame 311 to rotate through the sliding cooperation formed by the eccentric column 607 and the swing rod 605, it is necessary to set the two sets of pressurizing screws 308 to operate in relative opposite directions, and because the screws can be set to be left-handed or right-handed, when the two sets of pressurizing screws 308 rotate in relative opposite directions, they can also drive the inner piston column 304 to move through the cooperation formed with the screw slider 305;

[0081] The specific structure of the hybrid component 7 is as follows Fig. 9 and Fig.10 As shown, the lower end of the outer side of each set of side seats 313 is fixedly connected to a bottom transmission rotary seat 701, and the lower end of each set of bottom transmission rotary seat 701 is horizontally rotatably connected to a bottom transmission shaft 702, a bottom pulley 703 is plugged and fixed at one end of the bottom transmission shaft 702, and a bottom bevel gear 705 is plugged and fixed at the other end of the bottom transmission shaft 702, and a connecting belt 704 is sleeved and installed between the wheel grooves of the bottom pulley 703 and the side transmission pulley 606 on the same side;

[0082] When the side drive pulley 606 rotates, the bottom pulley 703 is driven to rotate through the connecting belt 704, and the bottom pulley 703 coaxially drives the bottom bevel gear 705 to rotate through the bottom transmission shaft 702;

[0083] The bottom flat seat 712 is fixedly connected to the back of the inner cavity of the outer shell 101, and the bottom slide seats 706 are symmetrically fixedly installed in the main body of the bottom flat seat 712. A slide post 707 is slidably connected in each group of bottom slide seats 706, and a slide frame 708 is fixedly connected to the top of the slide post 707, so that the components composed of the slide frame 708 and the slide post 707 can form a stable lifting and moving action;

[0084] The slide 708 and the bottom flat seat 712 are provided with through holes to facilitate the mixing water outlet pipe 315 to pass through and enter the top of the mixing barrel 402;

[0085] The lifting cylinder 711 is fixedly mounted on the top of the bottom flat seat 712 and is electrically connected to the main controller 203. The top of the telescopic rod of the lifting cylinder 711 is fixedly connected to one side of the slide 708, which can drive the slide 708 and the slide column 707 to form an automatic lifting action;

[0086] Similarly, a through hole corresponding to the shaft of the mixing wheel 709 is opened in the body of the bottom flat seat 712 to eliminate interference;

[0087] After the water sample filtered by the filter element 314 completely enters the mixing barrel 402, in order to prevent the wheel body of the mixing wheel 709 from affecting the weighing platform 401 on the mixing barrel 402 and the water sample in the mixing barrel 402, the sliding frame 708 and the mixing wheel 709 need to be moved upward to a position at the wall of the mixing barrel 402 by the lifting electric cylinder 711, that is, during the weighing process, the mixing wheel 709 will not form a mixing rotation action;

[0088] After the weighing platform 401 finishes weighing the water sample in the mixing barrel 402 , it can be fed back to the main controller 203 , which can automatically calculate the amount of pure water that needs to be added. The main controller 203 can automatically open the pure water outlet valve 503 to quantitatively replenish the pure water in the mixing barrel 402 .

[0089] The specific structure of the top limit driving member 8 installed at the top of the outer shell 101 for safely adding the original water sample into the sample adding bucket 309 is as follows: Fig.11 and Fig.12 As shown, the top shell 801 is fixedly connected to the outer top of the outer shell 101, and the top cover 802 is connected to the top of the top shell 801;

[0090] A screw connecting gear 810 is fixed to the top of each group of pressurizing screws 308, the opening and closing electric cylinder 804 is fixedly mounted on the outer top of the outer shell 101 and is electrically connected to the main controller 203, and the opening and closing connecting plate 805 is fixedly connected to the telescopic rod head end of the opening and closing electric cylinder 804;

[0091] The opening and closing connecting plates 805 are rotatably connected in pairs with driving shafts 806, and the top of each set of driving shafts 806 is plugged and fixed with a driving gear 807, and the driving gears 807 are meshed with each other;

[0092] A cover plate 808 is also fixed to the top of the opening and closing connecting plate 805, and when the driving gear 807 is not meshed with the lead screw connecting gear 810, the cover plate 808 covers the opening of the sample adding barrel 309, and when the driving gear 807 is meshed with the lead screw connecting gear 810, the cover plate 808 opens the opening of the sample adding barrel 309;

[0093] A moving groove 803 is also provided in the main body of the moving groove 803 to eliminate interference with the cover plate 808 and the sample adding bucket 309, and the top opening of the sample adding bucket 309 extends out of the moving groove 803, so that the original water sample can be added conveniently;

[0094] A screw drive motor 809 is fixedly mounted on the bottom end of the opening and closing connecting plate 805. The screw drive motor 809 is electrically connected to the main controller 203, and the rotating shaft of the screw drive motor 809 is fixed to the bottom end of one of the drive shafts 806.

[0095] By starting the opening and closing electric cylinder 804, the opening and closing connecting plate 805 can be driven to move horizontally, so that the driving gear 807 and the cover plate 808 form a horizontal movement, so that when the driving gear 807 is engaged with the screw connecting gear 810, the cover plate 808 opens the sample loading barrel 309, and when the driving gear 807 is not engaged with the screw connecting gear 810, the cover plate 808 seals the sample loading barrel 309. The purpose is to protect the inner cavity of the sample loading barrel 309 when not in use, and to prevent the pressurized screw 308 connected to the screw connecting gear 810 from rotating without reason when not in use, thereby ensuring that the inner piston column 304 is stably located in the set position when not in operation.

[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An anti-interference ammonia nitrogen online detection device, comprising a housing component (1) and a pure water module (5), characterized in that: It also includes a pressurized filtering component (3), a mixing and correction component (4), a linkage swing component (6) and a mixing component (7); The pressurized filter assembly (3) comprises a pressurized barrel (301), a filter barrel (302), a pressurized lead screw (308) and a filter element (314); the mixing and correction assembly (4) comprises a mixing barrel (402); the filter barrel (302) is fixed at the bottom end of the pressurized barrel (301) and both are installed inside the outer shell component (1); the pressurized lead screw (308) is symmetrically screwed on both sides of the pressurized barrel (301); an inner piston column (304) is slidably inserted into the inner cavity of the pressurized barrel (301); the top two sides of the inner piston column (304) are respectively connected to the pressurized lead screw (308); the filter element (314) is screwed on the filter barrel ( The filter barrel (302) is a filter element having a filter element (302). ...

2. The anti-interference ammonia nitrogen online detection device according to claim 1 is characterized in that: The linkage swing assembly (6) includes a swing rod (605), the mixing component (7) includes a slide (708) and a mixing wheel (709), both sides of the pressurizing barrel (301) are also screwed with side transmission pulleys (606), the pressurizing screw (308) on the same side is transmission-connected with the side transmission pulley (606), the outer ends of the rotating shafts on both sides of the filter element (314) are fixedly connected with the swing rod (605), the eccentric ends of the side transmission pulleys (606) on the same side are slidingly connected with the swing rod (605), and the bottom cones are screwed with the two ends of the lower side of the filter barrel (302). The bottom bevel gear (705) is connected to the side transmission pulley (606) by transmission, the slide (708) is located below the filter barrel (302) and can be automatically raised and lowered, the mixing wheels (709) are symmetrically screwed to the two ends of the main body of the slide (708), the top shaft end of each group of mixing wheels (709) is fixed with a mixing bevel gear (710), and after the mixing wheels (709) extend downward into the mixing barrel (402), the mixing bevel gear (710) on the same side just meshes with the bottom bevel gear (705).

3. An anti-interference ammonia nitrogen online detection device according to claim 1 or 2, characterized in that: The outer shell component (1) comprises an outer shell (101), the front end opening of the outer shell (101) is covered with a main front cover (102), a monitoring module (2) is also installed on one side of the bottom end of the inner cavity of the outer shell (101), and the monitoring module (2) comprises an ammonia nitrogen detector (201), a numerical printer (202), a main controller (203), a drain pipe (207) and a drain valve (208), and the bottom end of the ammonia nitrogen detector (201) is connected to the outer shell (101). The bottom end of the inner cavity is fixedly connected, the numerical printer (202) and the main controller (203) are both installed at the top of the ammonia nitrogen detector (201), the other side of the main body of the ammonia nitrogen detector (201) is connected in sequence with the first water inlet pipe (204), the second water inlet pipe (205) and the third water inlet pipe (206), the drain pipe (207) is connected to the rear side of the main body of the ammonia nitrogen detector (201), and the drain valve (208) is installed in the main pipe of the drain pipe (207).

4. The anti-interference ammonia nitrogen online detection device according to claim 3 is characterized in that: The pressurized filter assembly (3) further comprises a barrel seat (303), a sample adding barrel (309), a sample adding tube (310), a filter element frame (311), a mixed water outlet pipe (315), a detection water outlet pipe (316) and a sample adding valve (318). The outer surface of the pressurized barrel (301) is fixedly connected to the back of the inner cavity of the outer shell (101) through the barrel seat (303). Screw sliders (305) are fixedly installed on both sides of the top of the inner piston column (304). The screw slider (305) on the side is connected to the pressurizing screw (308), the top of the inner cavity of the outer shell (101) is symmetrically fixedly installed with a screw top rotating seat (306), and the two sides of the barrel seat (303) are symmetrically fixedly connected with a screw bottom rotating seat (307), the upper end of the pressurizing screw (308) is rotatably connected to the screw top rotating seat (306), and the lower end is rotatably connected to the screw bottom rotating seat (307), and the sample adding barrel (309) is connected to the sample adding tube ( The filter element (310) is connected to the side wall of the pressurized barrel (301), the sample adding valve (318) is installed in the main pipe of the sample adding tube (310), the filter element (314) is installed and fixed in the inner frame of the filter element frame (311), the filter element frame (311) and the filter element (314) are rotatably connected in the inner cavity of the filter barrel (302), the two outer ends of the filter element frame (311) are fixedly connected with the filter element rotating shaft (312), and the two end openings of the filter barrel (302) are Both covers are connected to a side seat (313), the filter element rotating shaft (312) on the same side is rotatably connected to the side seat (313), the mixed water outlet pipe (315) is connected to the middle of the bottom cavity wall of the filter barrel (302), one end of the detection water outlet pipe (316) is connected to the mixed water outlet pipe (315), and the other end is connected to the first water inlet pipe (204), and water outlet valves (317) are installed in the main pipes of the mixed water outlet pipe (315) and the detection water outlet pipe (316).

5. The anti-interference online ammonia nitrogen detection device according to claim 4, characterized in that: The mixing correction component (4) also includes a weighing platform (401), a pure water inlet pipe (403) and a mixing detection valve (405). The bottom end of the weighing platform (401) is fixedly mounted on the bottom end of the inner cavity of the outer shell (101). The top end of the mixing barrel (402) is placed on the top end of the weighing platform (401). One end of the lower side wall of the mixing barrel (402) is connected to a mixing detection pipe (404). The other end of the mixing detection pipe (404) is inserted into the entrance of the second water inlet pipe (205) and does not contact the second water inlet pipe (205). The mixing detection valve (405) is installed in the main pipe of the mixing detection pipe (404). The pure water inlet pipe (403) is connected to one end of the upper side wall of the mixing barrel (402).

6. The anti-interference online ammonia nitrogen detection device according to claim 5, characterized in that: The pure water module (5) comprises a pure water machine (501), a pure water outlet valve (503) and a flushing valve (505). The pure water machine (501) is integrally mounted and fixed on the back of the inner cavity of the outer shell (101). A pure water outlet pipe (502) is connected to one outlet of the pure water machine (501), and a flushing pipe (504) is connected to the other outlet. The other end of the pure water outlet pipe (502) is inserted into the inlet of the pure water inlet pipe (403) and does not contact the pure water inlet pipe (403). The other end of the flushing pipe (504) is connected to the third water inlet pipe (206). The pure water outlet valve (503) is installed in the main pipe of the pure water outlet pipe (502), and the flushing valve (505) is installed in the main pipe of the flushing pipe (504).

7. An anti-interference ammonia nitrogen online detection device according to claim 4, 5 or 6, characterized in that: The linkage swing assembly (6) further comprises a screw bottom bevel gear (601), a side transmission bevel gear (604) and an eccentric column (607). The screw bottom bevel gear (601) is plugged and fixed to the bottom end of the pressure screw (308). Both ends of the barrel seat (303) are fixedly connected to side shaft seats (602). Each set of side shaft seats (602) is rotatably connected to a side transmission shaft (603). The side transmission bevel gear (604) and the side transmission pulley are (606) are all plugged and fixed in pairs in the side transmission shaft (603) on the same side, and the side transmission bevel gear (604) is meshed with the bottom bevel gear (601) of the lead screw, the bottom end of the swing rod (605) is fixedly connected to the outer shaft end of the filter element shaft (312), and the outer eccentric end of the side transmission pulley (606) is fixedly connected to an eccentric column (607), and the eccentric column (607) is slidably connected to the upper end groove of the swing rod (605).

8. An anti-interference ammonia nitrogen online detection device according to claim 4, 5 or 6, characterized in that: The mixing component (7) further comprises a bottom pulley (703), a bottom sliding seat (706), a lifting electric cylinder (711) and a bottom flat seat (712); the lower end of the outer side of each set of side seats (313) is fixedly connected to a bottom transmission rotary seat (701); the lower end of each set of bottom transmission rotary seats (701) is laterally rotatably connected to a bottom transmission shaft (702); the bottom pulley (703) is plugged and fixed to one end of the bottom transmission shaft (702); the bottom bevel gear (705) is plugged and fixed to the other end of the bottom transmission shaft (702); A connecting belt (704) is sleeved and installed between the wheel grooves of the bottom pulley (703) and the side transmission pulley (606), the bottom flat seat (712) is fixedly connected to the back side of the inner cavity of the outer shell (101), the bottom slide seats (706) are symmetrically fixedly installed in the main body of the bottom flat seat (712), each group of bottom slide seats (706) is slidably connected with a slide column (707), the slide frame (708) is fixedly connected to the top of the slide column (707), and the lifting electric cylinder (711) is fixedly installed on the top of the bottom flat seat (712).

9. An anti-interference ammonia nitrogen online detection device according to claim 4, 5 or 6, characterized in that: A top limit driving component (8) is also installed at the top of the outer shell (101). The top limit driving component (8) includes a top shell (801), a top cover (802), an opening and closing electric cylinder (804) and an opening and closing connecting plate (805). The top shell (801) is fixedly connected to the outer top of the outer shell (101), and the top cover (802) is connected to the top of the top shell (801). A screw connecting gear (810) is fixed to the top of each group of pressurizing screws (308). The opening and closing electric cylinder (804) is fixedly installed at the outer top of the outer shell (101). The opening and closing connecting plate (805) is fixedly connected to the telescopic rod head end of the opening and closing electric cylinder (804). The opening and closing connecting plate (805) is rotatably connected to a pair of drive shafts. (806), a driving gear (807) is inserted and fixed at the top of each group of driving shafts (806), and the driving gears (807) are meshed with each other. A cover plate (808) is also fixed at the top of the opening and closing connecting plate (805), and when the driving gear (807) is not meshed with the lead screw connecting gear (810), the cover plate (808) seals the opening of the sample adding barrel (309), and when the driving gear (807) is meshed with the lead screw connecting gear (810), the cover plate (808) opens the opening of the sample adding barrel (309), and a lead screw driving motor (809) is installed and fixed at the bottom end of the opening and closing connecting plate (805), and the rotating shaft of the lead screw driving motor (809) is fixed to the bottom end of one group of driving shafts (806).

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