Molybdate method-based water quality total phosphorus on-line monitor

Abstract

The utility model discloses a molybdate method-based water quality total phosphorus on-line monitor, which comprises a stable bottom plate and a monitor body, the bottom of the monitor body is fixedly connected with the top of the stable bottom plate, and one side of the inner wall of the monitor body is fixedly connected with a power assembly for batch test tube alternation. The power assembly comprises a debugging motor fixedly connected with the inner wall of the monitor body. The utility model relates to the technical field of monitors. According to the water quality total phosphorus online monitor based on the molybdate method, the power assembly is arranged, the device can directly drive a circular frame and a circular shaft to rotate by debugging operation of a motor, meanwhile, the bearing assembly is driven to rotate, especially when a circular groove movably sleeves the circular shaft, a supporting frame can be kept vertically upward all the time, and the monitoring efficiency is improved. And moreover, when the relevant motor performs formal monitoring, the motor stops transmission, and a worker can refill the next batch of test tubes in the period of time, so that the monitoring efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring instruments, in particular to an online water quality total phosphorus monitoring instrument based on a molybdate method. Background Art

[0002] The principle of the molybdate method for determining total phosphorus is to use potassium persulfate to digest the sample under neutral conditions, and oxidize all phosphorus in the water sample to be tested into orthophosphate. In an acidic medium, orthophosphate reacts with ammonium molybdate to generate phosphomolybdic heteropoly acid in the presence of antimony salt, which is then reduced by ascorbic acid to generate a blue complex. After standing at room temperature for 15 minutes, the water sample solution is irradiated with a 700nm wavelength light source, and the phosphorus content is checked on the working curve based on its absorbance.

[0003] The patent with announcement number CN218212927U discloses an online automatic monitoring instrument for total phosphorus water quality, including a detector body and a drawer box slidably connected to the left inner part of the detector body, the left bottom of the drawer box is fixedly connected to a third placement plate, a plurality of first test tube holes are evenly arranged on the third placement plate, the first test tube holes are connected to a fixing rod, a rubber supporting hemisphere fixedly connected to the upper end of the connecting rod at the center position of the fixing rod is used to fix a clean test tube inverted on the rubber supporting hemisphere, and the inner wall surface of the test tube can be kept dry for storage, the second placement plate and the first placement plate inside the drawer box are fixedly connected by four telescopic rods, when the telescopic rod is moved down, it is convenient to take out and put in the test tube, the spring piece is fixed on the inner wall surface of the second test tube hole by a twisted screw, the spring piece is an unclosed annular structure and the caliber is smaller than the diameter of the test tube, when the test tube is put down, the outward elastic force of the spring piece can wrap the test tube, so that the test tube is more stably fixed.

[0004] The monitor of the above patent uses a large amount of space to store test tubes. During actual operation, the test tubes used by the monitor are placed in professional storage devices. The molybdate method uses a fixed wavelength to irradiate batches of test tubes during the measurement process, and the irradiation results are saved and uploaded. During operation, the test tube placement structure is fixedly connected to the equipment. After each irradiation, a lot of time is required to disassemble and assemble the test tubes, which reduces the irradiation frequency and also reduces the data update frequency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an online water quality total phosphorus monitor based on the molybdate method, which solves the problem that in actual work, the test tubes used in the monitor are all placed in a professional storage device. The molybdate method uses a fixed wavelength to irradiate batches of test tubes during the measurement process, and the irradiation results are saved and uploaded. During operation, the test tube placement structure is fixedly connected to the equipment. After each irradiation, a lot of time is needed to disassemble and assemble the test tubes, which reduces the irradiation frequency and also reduces the data update frequency.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an online water quality total phosphorus monitor based on the molybdate method, comprising a stable bottom plate and a monitor body, the bottom of the monitor body is fixedly connected to the top of the stable bottom plate, one side of the inner wall of the monitor body is fixedly connected with a power component for batch test tube rotation, the power component comprises a debugging motor fixedly connected to the inner wall of the monitor body, one end of the debugging motor output shaft is fixedly connected with a circular frame, one side of the inner surface of the monitor body is fixedly connected with a limiting ring plate, one side of the circular frame passes through the limiting ring plate and extends to one side of the limiting ring plate, one side of the circular frame surface is fixedly connected with a stable baffle, the middle of one side of the stable baffle is fixedly connected with a round shaft, and the surface of the power component is movably connected with a bearing component for test tube placement.

[0007] Preferably, the bearing assembly comprises a supporting frame movably connected to the power assembly, and circular grooves are provided in the middle of two sides of the supporting frame.

[0008] Preferably, a hold-down plate is fixedly connected to the bottom of the support frame, and a dovetail block is fixedly connected to the bottom of the inner wall of the support frame.

[0009] Preferably, the top of the dovetail block is movably connected to a containing frame, and a dovetail groove is provided at the bottom of the containing frame.

[0010] Preferably, an isolation semicircular block is fixedly connected to the surface of the inner wall of the support frame, and the surface of the support frame is rotatably connected to a limiting plate via a damping shaft.

[0011] Preferably, a test tube slot plate is fixedly connected to the inner wall of the containing frame, and anti-slip protrusions are arranged on the inner wall of the test tube slot plate.

[0012] Beneficial Effects

[0013] The utility model provides an online water quality total phosphorus monitor based on the molybdate method. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The on-line water quality total phosphorus monitor based on the molybdate method is fixedly connected to a power assembly for batch test tube rotation through one side of the inner wall of the monitor body, the power assembly includes a debugging motor fixedly connected to the inner wall of the monitor body, one end of the debugging motor output shaft is fixedly connected to a circular frame, one side of the inner surface of the monitor body is fixedly connected to a limiting ring plate, one side of the circular frame penetrates the limiting ring plate and extends to one side of the limiting ring plate, one side of the circular frame surface is fixedly connected to a stabilizing baffle, and the middle of one side of the stabilizing baffle is fixedly connected to a circular shaft. By setting the power assembly, the device can directly drive the circular frame and the circular shaft to rotate through the operation of the debugging motor, and at the same time drive the bearing assembly to rotate, especially when the circular groove is movably sleeved on the circular shaft, the support frame can be kept vertically upward at all times, and when the relevant motor is performing formal monitoring, the motor stops transmission, and the staff can use this time to reload the next batch of test tubes, coordinate related operations, improve monitoring efficiency, and solve the problem of spending a lot of time disassembling and assembling the test tubes after each irradiation, reducing the irradiation frequency and thus reducing the data update frequency.

[0015] (2) The on-line water quality total phosphorus monitor based on the molybdate method comprises a support frame movably connected to a power component through a bearing assembly, a circular groove is provided in the middle of both sides of the support frame, a pressure plate is fixedly connected to the bottom of the support frame, a dovetail block is fixedly connected to the bottom of the inner wall of the support frame, a holding frame is movably connected to the top of the dovetail block, a dovetail groove is provided at the bottom of the holding frame, an isolation semicircular block is fixedly connected to the surface of the inner wall of the support frame, a limit plate is rotatably connected to the surface of the support frame through a damping shaft, a test tube slot plate is fixedly connected to the inner wall of the holding frame, and anti-slip bumps are provided on the inner wall of the test tube slot plate. By utilizing the setting of the bearing assembly, the device can place test tubes in the holding frame, and the holding frame and the support frame can be independently separated and disassembled, so as to avoid the staff from directly operating the machine itself during the monitoring process. After the holding frame is removed from the support frame, the test tube filling work can be carried out, which can directly expand the working space area, facilitate the staff to complete the work comfortably, and has a relatively simple structure and is easy to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0019] Figure 4 For this utility model Figure 2 A partial enlarged view of point B in the middle.

[0020] In the figure: 1. Stable bottom plate; 2. Monitor body; 3. Power assembly; 31. Debug motor; 32. Circular frame; 33. Limiting ring plate; 34. Stable baffle; 35. Circular shaft; 4. Load-bearing assembly; 41. Support frame; 42. Circular groove; 43. Pressure plate; 44. Dovetail block; 45. Holding frame; 46. Dovetail groove; 47. Isolation semicircular block; 48. Limiting plate; 49. Test tube slot plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , the utility model provides two technical solutions:

[0023] Embodiment 1, an online water quality total phosphorus monitor based on the molybdate method, includes a stable bottom plate 1 and a monitor body 2, the bottom of the monitor body 2 is fixedly connected to the top of the stable bottom plate 1, one side of the inner wall of the monitor body 2 is fixedly connected to a power assembly 3 for batch test tube rotation, the power assembly 3 includes a debugging motor 31 fixedly connected to the inner wall of the monitor body 2, the debugging motor 31 is a stepping motor, one end of the output shaft of the debugging motor 31 is fixedly connected to a circular frame 32, one side of the inner surface of the monitor body 2 is fixedly connected to a limiting ring plate 33, one side of the circular frame 32 passes through the limiting ring plate 33 and extends to one side of the limiting ring plate 33, one side of the surface of the circular frame 32 is fixedly connected to a stable baffle 34, and the middle of one side of the stable baffle 34 is fixed A circular shaft 35 is connected, a network card is arranged inside the monitor body 2, and a bearing assembly 4 for placing test tubes is movably connected to the surface of the power assembly 3. By utilizing the arrangement of the power assembly 3, the device can directly drive the circular frame 32 and the circular shaft 35 to rotate by debugging the operation of the motor 31, and drive the bearing assembly 4 to rotate at the same time. In particular, when the circular groove 42 is movably sleeved on the circular shaft 35, the support frame 41 can be kept vertically upward at all times, and when the relevant motor is performing formal monitoring, the motor stops transmission, and the staff can use this time to reload the next batch of test tubes, coordinate related operations, improve monitoring efficiency, and solve the problem of spending a lot of time disassembling and assembling the test tubes after each irradiation, thereby reducing the irradiation frequency and thus reducing the data update frequency.

[0024] Embodiment 2 is mainly different from Embodiment 1 in that: an online water quality total phosphorus monitor based on the molybdate method, the bearing assembly 4 includes a support frame 41 movably connected to the power assembly 3, the surface of the support frame 41 is movably sleeved with the circular shaft 35, a circular groove 42 is provided in the middle of both sides of the support frame 41, a pressure plate 43 is fixedly connected to the bottom of the support frame 41, a dovetail block 44 is fixedly connected to the bottom of the inner wall of the support frame 41, a holding frame 45 is movably connected to the top of the dovetail block 44, a dovetail groove 46 is provided at the bottom of the holding frame 45, the inner wall of the dovetail groove 46 is adapted to the dovetail block 44, and the surface of the inner wall of the support frame 41 is fixedly connected to The isolation semicircular block 47 and the surface of the support frame 41 are rotatably connected to the limit plate 48 through the damping shaft. The inner wall of the containing frame 45 is fixedly connected with a test tube slot plate 49. The inner wall of the test tube slot plate 49 is provided with anti-slip bumps. By utilizing the setting of the bearing component 4, the device can place the test tube in the containing frame 45, and the containing frame 45 and the support frame 41 can be independently separated and disassembled to avoid the staff directly operating the machine itself during the monitoring process. After removing the containing frame 45 from the support frame 41, the test tube filling work can be carried out, which can directly expand the working space area, facilitate the staff to complete the work comfortably, and the structure is relatively simple and easy to maintain.

[0025] A 700-nanometer laser emitter and a related wireless data transmission module are disposed on the inner wall of the monitor body 2 , and the structure disposed on the left side of the instrument is symmetrical with the stabilizing baffle 34 and the circular axis 35 on the right side.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] During operation, the test tube is inserted into the holding frame 45, the limiting plate 48 is rotated, the holding frame 45 is inserted into the supporting frame 41, the holding frame 45 is placed on the surface of the isolating semicircular block 47, and the dovetail groove 46 is sleeved on the top surface of the dovetail block 44. When the holding frame 45 moves to the middle position of the supporting frame 41, the limiting plates 48 are rotated on both sides of the supporting frame 41 to limit the holding frame 45, and the debugging motor 31 is turned on. Through the rotation of the circular frame 32, the stabilizing baffle 34 and the circular shaft 35, the holding frame 45 at the bottom of the monitor body 2 is rotated. Move to the top of the monitor body 2, turn on the fixed wavelength irradiation, check the phosphorus content on the working curve according to the absorbance, and then upload the data through the wireless module. When the relevant structure of the top support frame 41 is checked, follow the above steps to put the fully loaded monitored test tube into the test tube slot plate 49 at the bottom. After the test tube monitoring of the top support frame 41 in the monitor body 2, turn on the debugging motor 31, and rotate the bottom support frame 41 and the containing frame 45 to the top of the monitor body 2 through the operation of the circular frame 32 to facilitate wireless monitoring.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online water quality total phosphorus monitor based on the molybdate method, comprising a stable bottom plate (1) and a monitor body (2), wherein the bottom of the monitor body (2) is fixedly connected to the top of the stable bottom plate (1), characterized in that: A power assembly (3) for batch test tube rotation is fixedly connected to one side of the inner wall of the monitor body (2), and the power assembly (3) comprises a debugging motor (31) fixedly connected to the inner wall of the monitor body (2), one end of the output shaft of the debugging motor (31) is fixedly connected to a circular frame (32), a limiting ring plate (33) is fixedly connected to one side of the inner surface of the monitor body (2), one side of the circular frame (32) penetrates the limiting ring plate (33) and extends to one side of the limiting ring plate (33), a stabilizing baffle (34) is fixedly connected to one side of the surface of the circular frame (32), a circular shaft (35) is fixedly connected in the middle of one side of the stabilizing baffle (34), and a bearing assembly (4) for test tube placement is movably connected to the surface of the power assembly (3).

2. The water quality total phosphorus online monitor based on the molybdate method according to claim 1, characterized in that: The bearing assembly (4) comprises a supporting frame (41) movably connected to the power assembly (3), and circular grooves (42) are provided in the middle of two sides of the supporting frame (41).

3. The water quality total phosphorus online monitor based on the molybdate method according to claim 2, characterized in that: A holding plate (43) is fixedly connected to the bottom of the support frame (41), and a dovetail block (44) is fixedly connected to the bottom of the inner wall of the support frame (41).

4. The water quality total phosphorus online monitor based on the molybdate method according to claim 3, characterized in that: The top of the dovetail block (44) is movably connected to a containing frame (45), and the bottom of the containing frame (45) is provided with a dovetail groove (46).

5. The on-line monitor for total phosphorus in water quality based on the molybdate method according to claim 2, characterized in that: An isolation semicircular block (47) is fixedly connected to the surface of the inner wall of the support frame (41), and the surface of the support frame (41) is rotatably connected to a limiting plate (48) via a damping shaft.

6. The on-line water quality total phosphorus monitor based on the molybdate method according to claim 4, characterized in that: The inner wall of the containing frame (45) is fixedly connected with a test tube slot plate (49), and the inner wall of the test tube slot plate (49) is provided with anti-slip protrusions.

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