High-precision fluorescence method dissolved oxygen analyzer

Abstract

The utility model discloses a high-precision fluorescence method dissolved oxygen analyzer, which relates to the field of water quality detection, and comprises a box body, the upper end of the box body is provided with a rotatable L-shaped frame, a rotating part is arranged in the box body, the front end of the L-shaped frame is provided with a display, the left end of the L-shaped frame is provided with a left-right through chute, and the left end of the L-shaped frame is provided with a right-left through chute. A moving part is installed at the upper end of the L-shaped frame and extends into the sliding groove, a transverse plate is installed at the right end of the moving part, and a detection probe is connected to the middle of the lower end of the transverse plate. The moving part drives the detection probe to move in the horizontal direction through the transverse plate. According to the utility model, the moving part is arranged to drive the detection probe to move to a relatively far position so as to detect the dissolved oxygen value of sewage at the far position, so that the water quality condition can be known in all directions, the detection accuracy is improved, the rotating part is arranged to drive the detection probe to rotate, the local error of sampling is reduced, and the sampling accuracy is improved. And the measurement accuracy is further ensured.

Description

Technical Field

[0001] The utility model relates to the field of water quality detection, in particular to a high-precision fluorescence dissolved oxygen analyzer. Background Art

[0002] The fluorescence dissolved oxygen analyzer is an online monitoring instrument designed for measuring oxygen content in municipal sewage and industrial wastewater treatment processes. It can be used to detect changes in dissolved oxygen in biochemical treatment processes and provide continuous and accurate measurement results.

[0003] The prior art (publication number: CN 219201379U) discloses a fluorescence method ppm-level dissolved oxygen analyzer, comprising a detection rod, a fluorescence quenching head and a mounting plate, wherein the upper end of the fluorescence quenching head is fixedly connected with a connecting stud, the lower end of the detection rod is provided with a connecting screw groove threadedly sleeved with the connecting stud, a positioning ring plate is fixedly sleeved on the outer side of the upper end of the fluorescence quenching head, a fixing ring plate is integrally extended on the outer side of the lower end of the detection rod, the fixing ring plate and the positioning ring plate are fixedly clamped by a locking mechanism, one end of the mounting plate is fixedly connected with a first semicircular clamping plate, one end of the first semicircular clamping plate is fixedly connected with a second semicircular clamping plate, the first semicircular clamping plate and the second semicircular clamping plate are clamped outside the detection rod, and a U-shaped clamping plate is fixedly connected to the lower side of one end of the mounting plate.

[0004] Although the above patent makes the connection of the fluorescence quenching head fast and stable, and can be quickly disassembled and assembled, which is convenient for maintenance and replacement, it has the following disadvantages. When in use, it can only detect sewage at a certain distance, and cannot detect sewage farther away, which will lead to incomplete data and difficulty in obtaining a comprehensive understanding of the entire water environment. It may affect the accurate assessment of water quality and pollution level, and further improvement is needed. For this reason, we propose a high-precision fluorescence dissolved oxygen analyzer. Utility Model Content

[0005] The main purpose of the utility model is to provide a high-precision fluorescence dissolved oxygen analyzer, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A high-precision fluorescence dissolved oxygen analyzer comprises a box body, a rotatable L-shaped frame is installed on the upper end of the box body, a rotating component is arranged in the box body, a display is installed at the front end of the L-shaped frame, a slide groove which runs through the left and right sides is provided at the left end of the L-shaped frame, a moving component is installed at the upper end of the L-shaped frame, the moving component extends into the slide groove, a horizontal plate is installed at the right end of the moving component, and a detection probe is connected to the middle part of the lower end of the horizontal plate; the moving component drives the detection probe to move in the horizontal direction through the horizontal plate.

[0008] Preferably, the moving component includes a first motor, which is installed at the upper end of the L-shaped frame, and the output end of the first motor extends into the slide slot and is transmission-connected to a gear, the gear is meshingly connected to a rack, and the rear end of the rack is movably connected to the rear wall of the slide slot.

[0009] Preferably, the rotating component includes a second motor, which is mounted on the lower wall of the box body, and the output end of the second motor is fixedly connected to a worm, the worm is meshingly connected to a worm wheel, and the upper end of the worm wheel is fixedly connected to a connecting shaft.

[0010] Preferably, the transverse plate is installed at the right end of the rack, and a lighting lamp is installed at the lower end of the transverse plate.

[0011] Preferably, the upper end of the connecting shaft movably passes through the upper end of the box body and is fixedly connected to the lower end of the L-shaped frame, and the rear end of the worm is movably connected to the rear inner wall of the box body.

[0012] Preferably, two fixing seats are installed at the front end and the rear end of the box.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By setting a moving component, the detection probe can be driven to move to a farther distance. When in use, the power of the first motor is turned on, the first motor drives the gear to rotate, and the gear drives the rack to move to the right, so that the detection probe moves to the right, and the dissolved oxygen value of the sewage in the distance can be detected, which is convenient for all-round understanding of the water quality and improves the accuracy of detection;

[0015] 2. The detection probe can be driven to rotate by setting a rotating component. When in use, the power of the second motor is turned on, and the output end of the second motor drives the worm to rotate, and the worm drives the worm wheel and the connecting shaft to rotate. The connecting shaft then drives the detection probe to rotate through the L-shaped frame. By rotating the detection probe, the dissolved oxygen in the water can be evenly sampled in different directions, which helps to obtain more representative samples, reduce local sampling errors, and further ensure the accuracy of the measurement without moving the dissolved oxygen analyzer back and forth. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the entire structure of a high-precision fluorescence dissolved oxygen analyzer of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a box of a high-precision fluorescence dissolved oxygen analyzer of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the moving parts of a high-precision fluorescence dissolved oxygen analyzer of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the structure of the rotating parts of a high-precision fluorescence dissolved oxygen analyzer.

[0020] In the figure: 1. box body; 2. display; 3. fixing seat; 4. L-shaped frame; 5. slide groove; 6. moving part; 7. horizontal plate; 8. detection probe; 9. rotating part; 10. lighting lamp; 61. first motor; 62. gear; 63. rack; 91. second motor; 92. worm gear; 93. worm; 94. connecting shaft. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on 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.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-Figure 4 As shown, a high-precision fluorescence dissolved oxygen analyzer includes a box body 1, a rotatable L-shaped frame 4 is installed on the upper end of the box body 1, a rotating component 9 is arranged in the box body 1, a display 2 is installed at the front end of the L-shaped frame 4, the display 2 is used to display the detected value, a slide groove 5 that runs through the left and right sides is provided at the left end of the L-shaped frame 4, a moving component 6 is installed on the upper end of the L-shaped frame 4, the moving component 6 extends into the slide groove 5, a cross plate 7 is installed on the right end of the moving component 6, a detection probe 8 is connected to the middle part of the lower end of the cross plate 7, the detection probe 8 is used to detect the value of dissolved oxygen in water, and the moving component 6 drives the detection probe 8 to move in the horizontal direction through the cross plate 7.

[0025] When in use, the box 1 is placed at a designated position, the detection probe 8 is placed in the water to be detected, the dissolved oxygen content is detected, and the value is displayed on the display 2.

[0026] In order to detect the dissolved oxygen value of sewage in a distant place, the detection probe 8 can be driven to move to a farther place through the moving component 6, so as to understand the water quality in an all-round way and improve the accuracy of detection. Specifically, the moving component 6 includes a first motor 61, which is installed at the upper end of the L-shaped frame 4. The output end of the first motor 61 extends into the chute 5 and is transmission-connected with a gear 62. The gear 62 is meshingly connected with a rack 63. The rear end of the rack 63 is movably connected to the rear wall of the chute 5. When in use, the power of the first motor 61 is turned on, the first motor 61 drives the gear 62 to rotate, and the gear 62 drives the rack 63 to move to the right, so that the detection probe 8 moves to the right, and the dissolved oxygen value of sewage in a distant place can be detected.

[0027] The detection probe 8 is driven by the rotating component 9 to uniformly sample the dissolved oxygen in the water in different directions, thereby reducing the local error of sampling and further ensuring the accuracy of measurement. The specific structure is as follows: the rotating component 9 includes a second motor 91, and the second motor 91 is installed on the lower wall of the box body 1. The output end of the second motor 91 is fixedly connected to a worm 93, and the worm 93 is meshingly connected to a worm wheel 92. The upper end of the worm wheel 92 is fixedly connected to a connecting shaft 94. When the power supply of the second motor 91 is turned on, the output end of the second motor 91 drives the worm 93 to rotate, and the worm 93 drives the worm wheel 92 and the connecting shaft 94 to rotate. The connecting shaft 94 then drives the detection probe 8 to rotate through the L-shaped frame 4. The detection probe 8 rotates to further ensure the accuracy of measurement without moving the dissolved oxygen analyzer back and forth.

[0028] The transverse plate 7 is installed at the right end of the rack 63 . In order to illuminate the water surface near the detection probe 8 , an illumination lamp 10 is installed at the lower end of the transverse plate 7 .

[0029] The upper end of the connecting shaft 94 movably penetrates the upper end of the box body 1 and is fixedly connected to the lower end of the L-shaped frame 4 , and the rear end of the worm 93 is movably connected to the rear inner wall of the box body 1 .

[0030] In order to improve the stability of the box body 1 , two fixing seats 3 are installed at the front and rear ends of the box body 1 .

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-precision fluorescence dissolved oxygen analyzer, comprising a housing (1), characterized in that: A rotatable L-shaped frame (4) is installed at the upper end of the box (1), a rotating component (9) is arranged inside the box (1), a display (2) is installed at the front end of the L-shaped frame (4), a sliding groove (5) extending from the left end of the L-shaped frame (4) is provided, a moving component (6) is installed at the upper end of the L-shaped frame (4), the moving component (6) extends into the sliding groove (5), a horizontal plate (7) is installed at the right end of the moving component (6), and a detection probe (8) is connected to the middle part of the lower end of the horizontal plate (7); the moving component (6) drives the detection probe (8) to move in the horizontal direction through the horizontal plate (7).

2. A high-precision fluorescence dissolved oxygen analyzer according to claim 1, characterized in that: The moving component (6) comprises a first motor (61), the first motor (61) is mounted on the upper end of the L-shaped frame (4), the output end of the first motor (61) extends into the slide groove (5) and is transmission-connected to a gear (62), the gear (62) is meshingly connected to a rack (63), and the rear end of the rack (63) is movably connected to the rear wall of the slide groove (5).

3. A high-precision fluorescence dissolved oxygen analyzer according to claim 1, characterized in that: The rotating component (9) comprises a second motor (91), the second motor (91) being mounted on the lower wall of the housing (1), the output end of the second motor (91) being fixedly connected to a worm (93), the worm (93) being meshingly connected to a worm wheel (92), the upper end of the worm wheel (92) being fixedly connected to a connecting shaft (94).

4. A high-precision fluorescence dissolved oxygen analyzer according to claim 2, characterized in that: The transverse plate (7) is installed at the right end of the rack (63), and a lighting lamp (10) is installed at the lower end of the transverse plate (7).

5. A high-precision fluorescence dissolved oxygen analyzer according to claim 3, characterized in that: The upper end of the connecting shaft (94) movably penetrates the upper end of the box body (1) and is fixedly connected to the lower end of the L-shaped frame (4), and the rear end of the worm (93) is movably connected to the rear inner wall of the box body (1).

6. A high-precision fluorescence dissolved oxygen analyzer according to claim 1, characterized in that: Two fixing seats (3) are installed at the front and rear ends of the box body (1).

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