Water quality detection and analysis equipment

Abstract

The invention discloses water quality detection and analysis equipment, which comprises a shell, a sampling chamber, a detection chamber and an analyzer body, and further comprises three sampling cylinders arranged in the sampling chamber, and each of the three sampling cylinders comprises an outer layer, a heat insulation layer and an inner layer; the rotating support is rotationally arranged between the two sides of the inner wall of the sampling chamber, one side of the sampling chamber is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with the rotating support through a connecting shaft. According to the water quality detection and analysis equipment, after sampling of the sampling barrel, heat transfer is stopped through the arrangement of the heat insulation layer, the stability of the environment in the sampling barrel is kept, meanwhile, the sampling barrel is fixed between the rotating supports, and before detection and sampling, the first motor drives the sampling barrel to rotate through the rotating supports, so that a water body and substances in the water body are uniformly mixed; by adopting a mode of sampling and detecting after mixing, the accuracy of subsequent detection is improved, and errors are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of water quality detection, and specifically to a water quality detection and analysis device. Background Art

[0002] For most thermal power plant enterprises, the importance of water quality ranks first. Excessive impurities in the water used may cause scaling on the heating surface of the boiler and expansion inside the container. If it is severe, it may even cause a boiler explosion, posing a certain safety hazard to production. Therefore, laboratory personnel need to use water quality detection and analysis equipment to conduct good detection and supervision of water quality to minimize this possibility.

[0003] Referring to a water quality detection and analysis device with a patent application number of CN202121765689.9, which includes a water quality detection and analysis device body and a control panel. The setting of the filter holes prevents water impurities from entering the water sample tank, and the setting of the filter cotton avoids smaller particles from entering the water sample tank, reducing damage to the instrument. By setting detection probes and infrared detectors, water quality parameters such as pH, temperature, and DO in the water can be synchronously detected, improving the accuracy of the original water quality data; During the use of the above patent, the water to be detected is statically stored in the water sample tank. Substances in the water are prone to precipitation, and due to changes in environmental conditions, it is easy to cause changes in some physical parameters and chemical components of the water, resulting in low accuracy during water body detection, prone to errors, and inaccurate water quality detection results. Summary of the Invention

[0004] (I) Technical Problems to be Solved Aiming at the deficiencies of the prior art, the present invention provides a water quality detection and analysis device, which solves the problems that substances in the water are prone to precipitation, and due to changes in environmental conditions, it is easy to cause changes in some physical parameters and chemical components of the water, resulting in inaccurate water quality detection results.

[0005] (II) Technical Solutions To achieve the above objectives, the present invention is realized through the following technical solutions: A water quality detection and analysis device includes a housing, a sampling chamber, a detection chamber, and an analyzer body, and further includes: Three sampling cylinders, which are arranged inside the sampling chamber, and each of the three sampling cylinders includes an outer layer, a heat insulation layer, and an inner layer; The rotating bracket is rotatably arranged between the two sides of the inner wall of the sampling chamber. One side of the sampling chamber is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with the rotating bracket through a connecting shaft. The rotating bracket includes three fixed cylinders, and the three fixed cylinders are all assembled by two arc-shaped plates. An extension plate is fixedly connected between every two arc-shaped plates. Fixing plates and L-shaped plates are respectively fixedly connected to the surfaces of the two fixed cylinders on both sides. A first magnet is fixedly connected to the back surface of the front extension plate, a groove is formed in the front surface of the rear extension plate, and a second magnet is fixedly connected to the inner wall of the groove; The clamping component is arranged between the fixing plate and the L-shaped plate. The clamping component is used to fixedly connect the fixing plate and the L-shaped plate for group rotation, so as to fix the sampling cylinder in the rotating bracket.

[0006] Preferably, the clamping component includes a micro electric push rod. A plug rod penetrates between the fixing plate and the L-shaped plate. A through groove is formed in the surface of one end of the plug rod extending out of the L-shaped plate. The micro electric push rod is fixed to the inner wall of the through groove. Baffles are fixedly connected to both ends of the micro electric push rod, and clamping blocks are fixedly connected to the sides of the two baffles facing away from each other.

[0007] Preferably, a water outlet pipe is communicated with the bottom of the surface of the sampling cylinder. A drainage groove is formed in the bottom of the inner wall of the detection chamber, and a test tube rack is fixedly connected to the bottom of the drainage groove. Three test tubes for detection are arranged on the top of the test tube rack, and a discharge pipe is communicated with the bottom of the test tube for detection.

[0008] Preferably, linear guide rails are arranged on both sides of the top of the inner wall of the detection chamber, and a cross plate is slidably arranged at the bottom of the linear guide rails through sliders. Screw rod driving components are arranged on both sides of the bottom of the cross plate. An installation plate is arranged between the two screw rod driving components, and three probes are fixedly connected to the bottom of the installation plate.

[0009] Preferably, the screw rod driving component includes a second motor. The second motor is slidably arranged on the inner wall of the detection chamber through a bottom plate. The output end of the second motor is fixedly connected with a screw rod, and a sleeve is threadedly connected to the surface of the screw rod. A slide rail is fixedly connected to the bottom of the cross plate, and the front surface of the sleeve is slidably connected with the back surface of the slide rail through a slider.

[0010] Preferably, a brushing mechanism is arranged on the back surface of the installation plate. The brushing mechanism includes three cleaning brushes. Three support plates are respectively fixedly connected to the back surface of the installation plate. The top ends of the three cleaning brushes are respectively provided with vertical rods through installation components. Pulley wheels are fixedly connected to the surfaces of the ends of the three vertical rods penetrating out of the support plates. The pulley wheels between every two are connected by a belt in transmission. A motor is fixedly connected to the top of the middle support plate through a bracket, and the output end of the motor is fixedly connected to the top of the vertical rod. The top ends of the vertical rods on both sides are rotatably connected to the top of the support plates on both sides through brackets.

[0011] Preferably, a water delivery mechanism is provided on the back of the housing, and a water inlet pipe is connected to the water outlet end of the water delivery mechanism. The water outlet end of the water inlet pipe penetrates through the support plate and extends below the support plate.

[0012] Preferably, an ultrasonic cleaning tank is fixedly connected to the bottom of the inner wall of the detection chamber and behind the test tube rack. A hot air blower is fixed outside the detection chamber, and an air inlet pipe is connected to the air outlet of the hot air blower. A spray head is fixedly connected to the surface of the air inlet pipe, and an ultraviolet germicidal lamp is fixedly connected to the back of the inner wall of the detection chamber.

[0013] Preferably, the installation assembly includes an upper annular plate fixedly connected to the bottom end of the vertical rod. The top end of the cleaning brush is fixedly connected to a lower annular plate, and a screw rod is fixedly connected to the top of the lower annular plate. The top end of the screw rod penetrates through the upper annular plate and extends outside the upper annular plate. A hand-tightening nut is threadedly connected to the surface of the screw rod at the end extending outside the upper annular plate.

[0014] (III) Beneficial Effects The present invention provides a water quality detection and analysis device, which has the following beneficial effects: (1) For this water quality detection and analysis device, after sampling in the sampling cylinder, the heat insulation layer is provided to prevent heat transfer, maintaining the stability of the environment inside the sampling cylinder. At the same time, the sampling cylinder is fixed between the rotating brackets. Before detection and sampling, the first motor drives the sampling cylinder to rotate through the rotating brackets, so as to uniformly mix the water body and the substances therein, and then sample and detect, which improves the accuracy of subsequent detection and reduces errors.

[0015] (2) For this water quality detection and analysis device, after the detection is completed, the test tube discharges the water sample, and then under the drive of the linear guide rail and the screw drive assembly, the cleaning brush is vertically moved into the test tube. The rotating assembly drives the cleaning brush to rotate, and at the same time, the water inlet pipe sprays water into the test tube, which is convenient for automatically cleaning the test tube after detection, avoiding the pollution of the next water body detection caused by residues, and improving the accuracy of detection.

[0016] (3) For this water quality detection and analysis device, after the probe and the cleaning brush are used, under the drive of the linear guide rail and the screw drive assembly, they can enter the ultrasonic cleaning tank for cleaning, and then under the action of the hot air blower and the ultraviolet germicidal lamp, it is convenient to dry and sterilize them after cleaning. The automatic operation reduces the subsequent workload of the detection personnel and also improves the detection reliability of the device. Description of the Drawings

[0017] Figure 1 It is the front view schematic diagram of the structure of the present invention; Figure 2 It is the cross-sectional view of the structure of the present invention; Figure 3 Schematic diagram of the rotating bracket structure of the present invention; Figure 4 Installation schematic diagram of the L-shaped plate and the fixed plate structure of the present invention; Figure 5 Exploded schematic diagram of the two arc plate structures of the present invention; Figure 6 Schematic diagram of the internal structure of the detection chamber of the present invention; Figure 7 Schematic diagram of the linear guide rail and the lead screw drive assembly structure of the present invention; Figure 8 For the present invention Figure 7 Partial enlarged view at position A in; Figure 9 Exploded schematic diagram of the installation component structure of the present invention.

[0018] In the figure: 1, outer shell; 2, sampling chamber; 3, detection chamber; 4, analyzer body; 5, sampling cylinder; 51, outer layer; 52, heat insulation layer; 53, inner layer; 6, rotating bracket; 61, fixed cylinder; 62, arc plate; 63, extension plate; 64, fixed plate; 65, L-shaped plate; 66, first magnet; 67, groove; 68, second magnet; 7, first motor; 8, water outlet pipe; 9, drainage trough; 10, test tube rack; 11, test tube for detection; 12, discharge pipe; 13, linear guide rail; 14, cross plate; 15, mounting plate; 16, probe; 17, second motor; 18, lead screw; 19, sleeve; 20, slide rail; 21, cleaning brush; 22, support plate; 23, vertical rod; 24, pulley; 25, belt; 26, motor; 27, water delivery mechanism; 28, water inlet pipe; 29, ultrasonic cleaning tank; 30, hot air blower; 31, air inlet pipe; 32, nozzle; 33, ultraviolet germicidal lamp; 34, upper annular plate; 35, lower annular plate; 36, screw; 37, hand-tightening nut; 38, clamping assembly; 381, micro electric push rod; 382, insertion rod; 383, through groove; 384, baffle; 385, clamping block. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Embodiment 1 Please refer to Figures 1 to 5As shown in the figure, the present invention provides a water quality detection and analysis device, which includes a housing 1, a sampling chamber 2, a detection chamber 3 and an analyzer body 4. The detection chamber 3 is arranged above the sampling chamber 2, the analyzer body 4 is fixed on the top of the housing 1, and the probe 16 is connected to the analyzer body 4 through a wire. The device further includes: Three sampling cylinders 5, which are arranged inside the sampling chamber 2. Each of the three sampling cylinders 5 includes an outer layer 51, a heat insulation layer 52 and an inner layer 53. An anti-slip pad is arranged on the inner wall of the inner layer 53. The heat insulation layer 52 is made of rock wool board material. The three sampling cylinders 5 store multiple water samples of the same water body respectively, and the multiple samples improve the accuracy of subsequent detection; A rotating bracket 6, which is rotatably arranged between the two sides of the inner wall of the sampling chamber 2. A first motor 7 is fixedly connected to one side of the sampling chamber 2, and the output end of the first motor 7 is fixedly connected to the rotating bracket 6 through a connecting shaft. Before detection and sampling, the first motor 7 drives the rotating bracket 6 to rotate, thereby driving the sampling cylinder 5 to rotate, so as to uniformly mix the water body and substances therein and prevent precipitation. The rotating bracket 6 includes three fixed cylinders 61, which are arranged horizontally in sequence from left to right. Each of the three fixed cylinders 61 is assembled by two arc-shaped plates 62. An extension plate 63 is fixedly connected between every two arc-shaped plates 62. Fixing plates 64 and L-shaped plates 65 are respectively fixedly connected to the surfaces of the two fixed cylinders 61 on both sides. The fixing plates 64 and L-shaped plates 65 are respectively fixed on the front and rear arc-shaped plates 62. A first magnet 66 is fixedly connected to the back of the front extension plate 63, and a groove 67 is formed on the front of the rear extension plate 63, and a second magnet 68 is fixedly connected to the inner wall of the groove 67. The arrangement of the first magnet 66 and the second magnet 68 improves the stability and accuracy of the assembly of the rotating bracket 6; A clamping component 38, which is arranged between the fixing plate 64 and the L-shaped plate 65. The clamping component is used to fixedly connect the fixing plate 64 and the L-shaped plate 65 by rotation, so as to fix the sampling cylinder 5 in the rotating bracket 6; The clamping component 38 includes a micro electric push rod 381. An insertion rod 382 penetrates between the fixing plate 64 and the L-shaped plate 65. A through groove 383 is formed on the surface of the end of the insertion rod 382 extending out of the L-shaped plate 65. The micro electric push rod 381 is fixed on the inner wall of the through groove 383. Baffles 384 are fixedly connected to both ends of the micro electric push rod 381. Clamping blocks 385 are fixedly connected to the sides of the two baffles 384 facing away from each other. The clamping component 38 facilitates the assembly and disassembly of the rotating bracket 6; A water outlet pipe 8 is communicated with the bottom of the surface of the sampling cylinder 5. A solenoid valve is arranged in the water outlet pipe 8. A drain groove 9 is formed on the bottom of the inner wall of the detection chamber 3 to facilitate the discharge of waste water from the detection chamber 3. A test tube rack 10 is fixedly connected to the bottom of the drain groove 9. Three test tubes 11 are arranged on the top of the test tube rack 10, and a discharge pipe 12 is communicated with the bottom of the test tube 11. A solenoid valve is arranged in the discharge pipe 12 to facilitate the discharge of the water sample after detection and the waste water during cleaning.

[0021] Embodiment 2 Based on Example 1, please refer to Figure 2 , Figures 6 to 8 As shown, the specific improvements are as follows: linear guides 13 are arranged on both sides of the top of the inner wall of the detection chamber 3. The linear guide 13 is a common component in industrial manufacturing, and is composed of several basic components such as a slider, a slideway and a ball bearing. It is used to drive the cross plate 14 to perform linear reciprocating motion, and the bottom of the linear guide 13 is provided with a cross plate 14 through the sliding of the slider. Screw drive assemblies are arranged on both sides of the bottom of the cross plate 14. A mounting plate 15 is arranged between the two screw drive assemblies, and three probes 16 are fixedly connected to the bottom of the mounting plate 15. The three probes 16 detect the three test tubes 11 respectively to improve the detection efficiency and accuracy. The screw drive assembly includes a second motor 17, which is slidably arranged on the inner wall of the detection chamber 3 through the bottom plate. The output end of the second motor 17 is fixedly connected with a screw 18, and the surface of the screw 18 is threadedly connected with a sleeve 19. The bottom of the cross plate 14 is fixedly connected with a slide rail 20, and the front of the sleeve 19 is slidably connected to the back of the slide rail 20 through a slider. The screw drive assembly is used to drive the probe 16 and the cleaning brush 21 to move up and down; A scrubbing mechanism is provided on the back of the mounting plate 15, and the scrubbing mechanism includes three cleaning brushes 21. Three support plates 22 are fixed on the back of the mounting plate 15 respectively. The cleaning brushes 21 and the support plates 22 are arranged in sequence from left to right horizontally. The tops of the three cleaning brushes 21 are provided with vertical rods 23 through mounting components. The surfaces of the three vertical rods 23 passing through one end of the support plates 22 are fixedly connected with pulleys 24. Every two pulleys 24 are connected by belts 25. The top of the middle support plate 22 is fixedly connected with a motor 26 through a bracket. The motor 26, the pulleys 24 and the belt 2 5 is set to realize rotational scrubbing, and the cleaning effect is better, and the output end of the motor 26 is fixedly connected to the top of the vertical rod 23, and the tops of the support plates 22 on both sides are rotatably connected to the tops of the vertical rods 23 on both sides through the brackets. A water delivery mechanism 27 is set on the back of the shell 1, and the water delivery mechanism 27 includes a water tank, a water pump and a water pumping pipe, and the water outlet end of the water delivery mechanism 27 is connected to the water inlet pipe 28, and the water outlet end of the water inlet pipe 28 passes through the support plate 22 and extends to the bottom of the support plate 22. The water delivery mechanism 27 sprays water into the detection test tube 11 through the water inlet pipe 28 to rinse the inside thereof.

[0022] Embodiment 3 In conjunction with Example 1 and Example 2, please refer to Figure 2As shown in the figure, the specific improvements are as follows: At the bottom of the inner wall of the detection chamber 3 and behind the test tube rack 10, there is a fixed connection with an ultrasonic cleaning tank 29, which is used to clean the used probe 16 and cleaning brush 21. A hot air blower 30 is fixed on the outside of the detection chamber 3, and the air outlet of the hot air blower 30 is connected to an air inlet pipe 31. The surface of the air inlet pipe 31 is fixedly connected with a spray head 32. There are multiple spray heads 32 to improve the drying efficiency. On the back of the inner wall of the detection chamber 3, there is a fixed connection with an ultraviolet germicidal lamp 33 to sterilize the probe 16, cleaning brush 21 and the inside of the detection chamber 3.

[0023] Embodiment 4 Combined with Embodiments 1 to 3, please refer to Figure 8 and Figure 9 As shown in the figure, the specific improvements are as follows: The installation component includes an upper annular plate 34 fixedly connected to the bottom end of the vertical rod 23. The top end of the cleaning brush 21 is fixedly connected with a lower annular plate 35, and a screw rod 36 is fixedly connected to the top of the lower annular plate 35. The top end of the screw rod 36 penetrates through the upper annular plate 34 and extends to the outside of the upper annular plate 34. A hand-tightening nut 37 is threadedly connected to the surface of the end of the screw rod 36 extending outside the upper annular plate 34. The setting of the installation component facilitates the manual loading and unloading of the cleaning brush 21, with simple and rapid operation, enabling the bristles of the cleaning brush 21 to be separately disassembled and replaced after aging and wear, extending the service life of this mechanism.

[0024] At the same time, the content not described in detail in this specification belongs to the well-known prior art in the art, and the model parameters of each electrical appliance are not specifically limited. Conventional equipment adapted to the device can be used.

[0025] During use, place the sampling cylinder 5 between the two arc-shaped plates 62, then assemble the rotating bracket 6. The first magnet 66 adsorbs to the second magnet 68. At the same time, insert the insertion rod 382 through the fixing plate 64 and the L-shaped plate 65, and then start the micro electric push rod 381 to drive the clamping block 385 out of the through groove 383, assembling and fixing the fixing plate 64 and the L-shaped plate 65, thereby fixing the sampling cylinder 5. Conversely, the sampling cylinder 5 can be disassembled. By using multiple sampling cylinders 5 to store multiple water samples of the same water body respectively, the accuracy of subsequent detection is improved. The setting of the heat insulation layer 52 prevents the transfer of external heat, maintains the stability of the environment inside the sampling cylinder 5, and avoids changes in some physical parameters and chemical components of the water body caused by temperature changes. By starting the first motor 7, the rotating bracket 6 drives the sampling cylinder 5 to rotate, thereby uniformly mixing the water body and the substances therein. Then, open the solenoid valve of the water outlet pipe 8 to discharge the mixed water sample into the test tube 11. The test tube 11 is placed on the test tube rack 10. Start the linear guide rail 13 to drive the lower lead screw drive assembly and the probe 16 to move above the test tube 11. Then, driven by the lead screw drive assembly, the probe 16 enters the test tube 11 to detect the water sample, and the detection result is displayed through the analyzer body 4; After the detection is completed, the probe 16 is removed, the solenoid valve of the discharge pipe 12 is opened to discharge the water sample. Then, driven by the linear guide rail 13 and the lead screw drive assembly, the cleaning brush 21 is vertically moved into the test tube 11. Start the motor 26, and through the transmission of the belt 25 and the belt pulley 24, drive the three cleaning brushes 21 to rotate simultaneously. At the same time, water is conveyed into the water inlet pipe 28 through an external water conveyance mechanism, and the water inlet pipe 28 sprays water into the test tube 11 to achieve rotating brushing. The waste water after brushing flows out of the device through the discharge pipe 12 and the drain pipe, which is convenient for automatically cleaning the test tube 11 after detection and avoiding pollution of the next water body detection caused by residues. After the cleaning is completed, driven by the linear guide rail 13 and the lead screw drive assembly, the probe 16 and the cleaning brush 21 enter the ultrasonic cleaning tank 29 for cleaning. After cleaning, move upward, and the hot air blower 30 dries them through the air inlet pipe 31 and the nozzle 32, and the ultraviolet germicidal lamp 33 sterilizes the probe 16, the cleaning brush 21, and the detection chamber 3 to improve the accuracy of subsequent detection; After the bristles of the cleaning brush 21 are aged and worn, manually unscrew the hand-tightening nut 37 from the screw rod 36, and then separate the upper annular plate 34 from the lower annular plate 35, and the cleaning brush 21 can be disassembled and replaced separately.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water quality detection and analysis device, comprising a housing (1), a sampling chamber (2), a detection chamber (3) and an analyzer body (4), characterized in that: It further includes: Three sampling cylinders (5), which are arranged inside the sampling chamber (2). Each of the three sampling cylinders (5) includes an outer layer (51), a heat insulation layer (52) and an inner layer (53); A rotating bracket (6), which is rotatably arranged between the two sides of the inner wall of the sampling chamber (2). One side of the sampling chamber (2) is fixedly connected with a first motor (7), and the output end of the first motor (7) is fixedly connected with the rotating bracket (6) through a connecting shaft. The rotating bracket (6) includes three fixed cylinders (61), and each of the three fixed cylinders (61) is assembled by two arc-shaped plates (62). An extension plate (63) is fixedly connected between every two arc-shaped plates (62). A fixing plate (64) and an L-shaped plate (65) are respectively fixedly connected to the surfaces of the two fixed cylinders (61) on both sides. A first magnet (66) is fixedly connected to the back surface of the front extension plate (63), and a groove (67) is formed on the front surface of the rear extension plate (63), and a second magnet (68) is fixedly connected to the inner wall of the groove (67); A clamping component (38), which is arranged between the fixing plate (64) and the L-shaped plate (65). The clamping component is used to fixedly connect the fixing plate (64) and the L-shaped plate (65) by rotation, so as to fix the sampling cylinder (5) inside the rotating bracket (6).

2. The water quality detection and analysis device according to claim 1, characterized in that: The clamping component (38) includes a micro electric push rod (381). A plug rod (382) penetrates between the fixing plate (64) and the L-shaped plate (65). A through groove (383) is formed on the surface of one end of the plug rod (382) extending out of the L-shaped plate (65). The micro electric push rod (381) is fixed to the inner wall of the through groove (383). A baffle (384) is fixedly connected to both ends of the micro electric push rod (381), and a clamping block (385) is fixedly connected to the side of each of the two baffles (384) facing away from each other.

3. A water quality detection and analysis device according to claim 1, characterized in that: A water outlet pipe (8) is communicated with the bottom of the surface of the sampling cylinder (5). A drainage groove (9) is formed on the bottom of the inner wall of the detection chamber (3), and a test tube rack (10) is fixedly connected to the bottom of the drainage groove (9). Three test tubes (11) are arranged on the top of the test tube rack (10), and a discharge pipe (12) is communicated with the bottom of the test tube (11).

4. A water quality detection and analysis device according to claim 1, characterized in that: Linear guide rails (13) are arranged on both sides of the top of the inner wall of the detection chamber (3), and a cross plate (14) is slidably arranged at the bottom of the linear guide rails (13) through sliders. Screw drive assemblies are arranged on both sides of the bottom of the cross plate (14). An installation plate (15) is arranged between the two screw drive assemblies, and three probes (16) are fixedly connected to the bottom of the installation plate (15).

5. The water quality detection and analysis device according to claim 4, characterized in that: The screw drive assembly includes a second motor (17). The second motor (17) is slidably arranged on the inner wall of the detection chamber (3) through a bottom plate. The output end of the second motor (17) is fixedly connected with a screw rod (18), and a sleeve (19) is threadedly connected to the surface of the screw rod (18). A slide rail (20) is fixedly connected to the bottom of the cross plate (14), and the front surface of the sleeve (19) is slidably connected to the back surface of the slide rail (20) through a slider.

6. A water quality detection and analysis device according to claim 4, characterized in that: A scrubbing mechanism is provided on the back surface of the mounting plate (15). The scrubbing mechanism includes three cleaning brushes (21). Three support plates (22) are respectively fixed on the back surface of the mounting plate (15). The top ends of the three cleaning brushes (21) are each provided with a vertical rod (23) through a mounting assembly. The surfaces of one ends of the three vertical rods (23) passing through the support plates (22) are all fixedly connected with belt pulleys (24). Each two belt pulleys (24) are connected by a belt (25) in a transmission manner. A motor (26) is fixedly connected to the top of the middle support plate (22) through a bracket, and the output end of the motor (26) is fixedly connected to the top of the vertical rod (23). The tops of the two side support plates (22) are each rotatably connected to the top ends of the two side vertical rods (23) through brackets.

7. A water quality detection and analysis device according to claim 6, characterized in that: A water supply mechanism (27) is provided on the back surface of the housing (1), and the water outlet end of the water supply mechanism (27) is communicated with a water inlet pipe (28). The water outlet end of the water inlet pipe (28) penetrates through the support plate (22) and extends to the lower part of the support plate (22).

8. A water quality detection and analysis device according to claim 3, characterized in that: A ultrasonic cleaning pool (29) is fixedly connected to the bottom of the inner wall of the detection chamber (3) and located at the rear side of the test tube rack (10). A hot air blower (30) is fixed on the outside of the detection chamber (3), and the air outlet of the hot air blower (30) is communicated with an air inlet pipe (31). A nozzle (32) is fixedly connected to the surface of the air inlet pipe (31). An ultraviolet germicidal lamp (33) is fixedly connected to the back surface of the inner wall of the detection chamber (3).

9. A water quality detection and analysis device according to claim 6, characterized in that: The mounting assembly includes an upper annular plate (34) fixedly connected to the bottom end of the vertical rod (23). The top end of the cleaning brush (21) is fixedly connected with a lower annular plate (35), and a screw rod (36) is fixedly connected to the top of the lower annular plate (35). The top end of the screw rod (36) penetrates through the upper annular plate (34) and extends to the outside of the upper annular plate (34). A hand-tightening nut (37) is threadedly connected to the surface of the end of the screw rod (36) extending to the outside of the upper annular plate (34).

Images