Reverse osmosis membrane detection device and reverse osmosis membrane detection method

Abstract

The invention discloses a reverse osmosis membrane detection device and a reverse osmosis membrane detection method. The reverse osmosis membrane detection device comprises a left vertical plate, a right vertical plate, a fixed block, a sealing and pressing mechanism, a moving and overturning mechanism and a supporting cylinder mechanism, reverse osmosis membrane group filter elements with different sizes can be positioned after being placed in the supporting cylinder mechanism, and are pushed to the position under the sealing and pressing mechanism through the moving and overturning mechanism, and then the bottom of the sealing and pressing mechanism is inserted into the inner side of the supporting cylinder mechanism and is in contact with the position above the reverse osmosis membrane group filter elements; then external liquid is discharged into the reverse osmosis membrane group filter element and then is discharged from the bottom of the supporting cylinder mechanism, the performance of the reverse osmosis membrane is judged by detecting the discharged liquid, and the reverse osmosis membrane group filter elements with different sizes can be detected through self-adaptive sealing matching of the supporting cylinder mechanism and the sealing and pressing mechanism; and the filter element enters and exits from the detection station through the moving and overturning mechanism, so that the filter element is convenient to disassemble, assemble and replace, and the detection applicability and the working efficiency are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of reverse osmosis membrane detection, and specifically to a reverse osmosis membrane detection device and a reverse osmosis membrane detection method. Background Art

[0002] A reverse osmosis membrane is an artificial semi-permeable membrane with certain characteristics made by simulating a biological semi-permeable membrane, and is the core component of reverse osmosis technology. The principle of reverse osmosis technology is that under the action of a pressure higher than the osmotic pressure of the solution, other substances are separated from water based on the fact that they cannot pass through the semi-permeable membrane; the membrane pores of the reverse osmosis membrane are very small, so it can effectively remove dissolved salts, colloids, microorganisms, organic substances, etc. in water.

[0003] Currently, Chinese Patent Application No.: CN202210930346.6 discloses a reverse osmosis membrane detection device and a reverse osmosis membrane detection method. The reverse osmosis membrane detection device includes: a membrane element, including a sealing strip, a first reverse osmosis membrane and a second reverse osmosis membrane; both sides of the sealing strip are respectively attached to the first end face of the first reverse osmosis membrane and the second end face of the second reverse osmosis membrane to form a membrane bag; the first end face and the second end face are opposite, and a containing cavity is formed between the first end face, the sealing strip and the second end face. The containing cavity has a liquid injection port, and the containing cavity is communicated with the outside through the liquid injection port; the liquid injection port is used for injecting a staining solution, and the containing cavity is used for containing the staining solution.

[0004] However, in the process of detecting the reverse osmosis membrane of the prior art, due to the different sizes of the reverse osmosis membrane filter elements, when detecting reverse osmosis membranes of different sizes, it usually relies on fixed jigs, which are inconvenient to adapt to filter elements of different sizes, and the disassembly and assembly of the reverse osmosis filter element require multi-step manual intervention and frequent manual adjustment, with low automation, poor adaptability to the reverse osmosis membrane filter element and low detection efficiency. Summary of the Invention

[0005] The purpose of the present invention is to provide a reverse osmosis membrane detection device and a reverse osmosis membrane detection method to solve the problems raised in the above background art.

[0006] To achieve the above object, the present invention adopts the following technical solutions: A reverse osmosis membrane detection device includes a left vertical plate, a right vertical plate, fixing blocks, a sealing and pressing mechanism, a tilting mechanism, and a supporting cylinder mechanism. The bottom of the right side of the left vertical plate is fixedly connected to the right vertical plate. Fixing blocks are provided on the left side of the left vertical plate and the right side of the right vertical plate. The upper parts inside the left vertical plate and the right vertical plate are fastened with a sealing and pressing mechanism. The front side of the bottom of the left vertical plate and the right vertical plate is embedded with a tilting mechanism. The top side of the tilting mechanism is fastened with a supporting cylinder mechanism, and the supporting cylinder mechanism is arranged below the sealing and pressing mechanism. The sealing and pressing mechanism includes a first driving body arranged on the upper side of the left side of the left vertical plate. The output end of the first driving body penetrates into the interior of the left vertical plate, and a rotating column is coaxially rotated on the right side of the output end. A gear block is fixedly wrapped around the middle side of the outer surface of the rotating column, and the right end of the rotating column is rotatably connected to the right vertical plate. A hollow tooth column is meshed and driven on the front side of the gear block. The hollow tooth column longitudinally penetrates and slides inside a positioning sleeve. The positioning sleeve is fixedly connected to the middle side inside a rectangular seat. The left and right sides of the rectangular seat are respectively locked and fixed to the left vertical plate and the right vertical plate through fastening bolts. The bottom end of the hollow tooth column is fixedly connected to a chassis. On both the left and right sides of the top of the chassis, guide columns are fixedly connected, and the two guide columns respectively penetrate and slide inside the left and right sides of the interior of the rectangular seat. A rubber sheet is arranged on the bottom side of the chassis. A liquid inlet pipe is fixedly penetrated inside the hollow tooth column, and the bottom side of the liquid inlet pipe penetrates through the middle sides of the chassis and the rubber sheet.

[0007] Preferably, the first driving body includes a driving motor, a worm connected to the output of the driving motor, and a worm gear meshed and driven on one side of the worm. The middle part of the worm gear is connected to the rotating column.

[0008] Preferably, an arc-shaped recess is formed at the rear side of the rectangular seat, and the rotating column is located inside the arc-shaped recess. A through groove is formed in the middle part of the rear of the positioning sleeve, and the gear block penetrates through the middle part inside the through groove.

[0009] Preferably, the tilting mechanism includes a frame whose top left and right sides are respectively connected to the left vertical plate and the right vertical plate, two springs arranged on the left and right sides inside the frame, two sliders respectively connected to the front sides of the two springs, two slide rails respectively slidably connected to the sides of the sliders close to the frame, two rectangular grooves respectively formed in the front parts of the left and right sides of the frame, a guide groove formed in the middle part of the top of the rectangular groove, and a tilting structure penetrating through the front side inside the frame. The two slide rails are respectively fixed to the left and right sides of the inner wall of the frame. The guide groove is arc-shaped. The left and right sides of the tilting structure respectively penetrate through the two rectangular grooves and the guide groove, and the left and right sides of the rear part of the tilting structure respectively contact the two sliders. The middle part of the top of the tilting structure is fastened to the supporting cylinder mechanism.

[0010] Preferably, the turning structure includes a mounting seat fixed to the right front side of the bottom of the frame, a second driving body arranged on the right side of the mounting seat, a first short rod connected to the left output end of the second driving body, a shaft rod coaxially rotating at the bottom left of the first short rod, a second short rod connected to the left end of the shaft rod, a first long rod rotatably connected to the top left of the first short rod, a second long rod rotatably connected to the top of the second short rod near the mounting seat side, a first support block connected to the rear side of the left part of the first long rod, a second support block connected to the rear side of the right part of the second long rod, a carrier fixedly connected to the top sides of the first support block and the second support block, and a convex piece fixedly connected to the middle side of the top of the carrier. The structure of the second driving body is the same as that of the first driving body. The shaft rod penetrates and rotates inside the front lower side of the frame. The first support block and the second support block are respectively connected to the inner sides of two rectangular grooves and a guiding groove, and the rear sides of the first support block and the second support block are respectively in contact with and slide on two sliders. The top side of the convex piece is fastened to the support cylinder mechanism.

[0011] Preferably, both the first support block and the second support block are in a T-shaped structure, and column rods and rectangular moving blocks are rotatably arranged on the rear sides and bottom sides of the first support block and the second support block respectively. The column rods and rectangular moving blocks on the first support block and the second support block are respectively slidably arranged inside two rectangular grooves and a guiding groove.

[0012] Preferably, the support cylinder mechanism includes a bin cylinder with its middle side at the bottom fastened to the turning and flipping mechanism. A liquid outlet pipe is embedded in the left side of the bottom of the bin cylinder. A partition is fixed to the bottom side inside the bin cylinder. A cavity is formed between the bottom of the partition and the bin cylinder. A cover seat is arranged in the middle of the cavity, and the upper and lower sides of the cover seat are respectively fixed to the partition and the bin cylinder. A servo motor is fastened to the bottom side inside the bin cylinder. The output end of the servo motor at the top is connected with a driving gear. A driven gear is meshed and driven on the left side of the driving gear. A rotating rod is coaxially rotatably connected to the middle side of the top of the driven gear, and the rotating rod penetrates and rotates inside the middle of the partition. The top end of the rotating rod is connected with the positioning structure, and the positioning structure is installed on the top of the partition. No less than ten hollow holes for liquid circulation are formed inside the partition.

[0013] Preferably, the positioning structure includes a turntable with its middle side at the bottom connected to the rotating rod, three upright columns penetrating and sliding inside the turntable, three guide rods rotatably connected to the bottom ends of the three upright columns, and plug columns respectively penetrating and rotating inside the three guide rods on the side far from the upright columns. The bottom of the plug column is fastened to the partition.

[0014] Preferably, three arc-shaped through grooves with the same structure and size are equidistantly formed inside the top side of the turntable, and the three upright columns respectively penetrate and slide inside the three arc-shaped through grooves.

[0015] In addition, the present invention also provides a reverse osmosis membrane detection method, which uses the above reverse osmosis membrane detection device and includes the following steps:

[0016] S1. After placing the cylindrical reverse osmosis membrane filter element in the bin of the support cylinder mechanism, center it. Drive the flipping structure through the transfer and flipping mechanism to adjust the position inside the bin, so that the bin is located directly below the sealing and pressing mechanism;

[0017] S2. Start the first driving body of the sealing and pressing mechanism. Drive the gear block through the worm and worm gear to drive the hollow tooth column to press down, so that the chassis and the rubber sheet are inserted into the bin and form a sealed cavity with the end face of the filter element. Inject a high-pressure liquid mixture of 1.0 - 2.0 MPa fluorescent dye, conductive salt and raw water into the filter element through the liquid inlet pipe. When liquid continuously flows out of the liquid outlet pipe and the pressure drop > 0.03 MPa / min, it is determined that the filter element seal fails;

[0018] S3. The liquid is discharged from the liquid outlet pipe at the bottom side of the bin after passing through the filter element. Install an optical sensor for detecting fluorescence and a conductivity sensor for detecting salt below the liquid outlet pipe 62. When the fluorescence intensity and conductivity increase abnormally, it is determined that leakage is caused by membrane breakage;

[0019] S4. After the detection, drive the chassis and the rubber sheet to move out of the bin. Drive the flipping structure through the transfer and flipping mechanism to adjust the bin to be pushed forward and tilted, so as to take out the cylindrical reverse osmosis membrane filter element from the bin.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The reverse osmosis membrane detection device of the present invention can place reverse osmosis membrane group filter elements of different sizes inside the support cylinder mechanism for positioning, and push them to directly below the sealing and pressing mechanism through the transfer and flipping mechanism. Then, insert the bottom of the sealing and pressing mechanism inside the support cylinder mechanism and contact above the reverse osmosis membrane group filter element to further fix the position of the reverse osmosis membrane group filter element. Then, discharge external liquid into the reverse osmosis membrane group filter element, and discharge the liquid after filtration detection from the bottom of the support cylinder mechanism. Judge the performance of the reverse osmosis membrane by detecting the discharged liquid. And through the adaptive sealing cooperation of the support cylinder mechanism and the sealing and pressing mechanism, reverse osmosis membrane group filter elements of different sizes can be detected. And the filter element can enter and exit the detection station through the transfer and flipping mechanism, which is convenient for disassembling, installing and replacing the filter element, improving the applicability and working efficiency of the detection.

[0022] A recess in an arc shape is formed at the rear side of the rectangular base of the present invention, and the rotating column is located inside the arc-shaped recess. A through groove is formed in the middle of the rear part of the positioning sleeve, and the gear block is disposed through the middle part inside the through groove, so that the front side of the gear block is in meshing contact with the hollow tooth column, thereby realizing the adjustment of the longitudinal position of the hollow tooth column by the rotation of the gear block. The bottom side of the liquid inlet pipe is disposed through the middle part inside the chassis and the rubber sheet, and is connected to the external liquid end through the liquid inlet pipe, so that the external liquid enters the inside of the liquid inlet pipe and is discharged from the middle position at the bottom side of the rubber sheet, so as to discharge the external liquid into the reverse osmosis membrane group filter element after the chassis and the rubber sheet are inserted into the support cylinder mechanism. Sealing is achieved through the contact between the rubber sheet and the top of the reverse osmosis membrane group filter element, so as to detect reverse osmosis membrane group filter elements of different sizes and improve the adaptability of detection.

[0023] Both the first support block and the second support block of the present invention are in a T-shaped structure. When the column rod and the rectangular moving block are not in the same horizontal position, when the first long rod and the second long rod act, they respectively drive the top side positions of the first support block and the second support block to perform a rotation action with the rectangular moving block as the fulcrum along the inside of the guiding groove. And when the column rod disengages from the inside of the guiding groove until it is in the same horizontal position as the rectangular moving block, the first support block and the second support block are driven to perform a lateral displacement in the front-rear direction, so that the first support block and the second support block perform a displacement action of moving back and forth and tilting forward.

[0024] Three arc-shaped through grooves with the same structure and size are equidistantly formed inside the top side of the turntable of the present invention. The three upright columns respectively penetrate and slide inside the three arc-shaped through grooves. When the turntable rotates, the guiding rod performs a rotation action with the inserting column as the fulcrum through the cooperation of the arc-shaped through groove and the upright column, so that the three upright columns move away from or close to each other, so as to clamp and position reverse osmosis membrane group filter elements of different sizes for use and improve the adaptability range of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of the present invention;

[0026] Figure 2 is a schematic structural diagram of the sealing and pressing mechanism of the present invention;

[0027] Figure 3 is a schematic rear view structural diagram of the connection between the gear block and the hollow tooth column of the present invention;

[0028] Figure 4 is a schematic structural diagram of the connection between the moving and flipping mechanism and the support cylinder mechanism of the present invention;

[0029] Figure 5 is a schematic structural diagram of the present invention when the flipping structure moves to the front side and makes an inclined push;

[0030] Figure 6 is a schematic structural diagram of the inside of the support cylinder mechanism of the present invention;

[0031] Figure 7 This is a schematic top view of the connection between the turntable and the column of the present invention.

[0032] In the figure: left vertical plate - 1, right vertical plate - 2, fixing block - 3, sealing and pressing mechanism - 4, moving and turning mechanism - 5, supporting cylinder mechanism - 6, first driving body - 41, rotating column - 42, gear block - 43, hollow tooth column - 44, positioning sleeve - 45, rectangular seat - 46, fastening bolt - 47, chassis - 48, guiding column - 49, rubber sheet - 410, liquid inlet pipe - 411, through slot - 451, frame - 51, spring - 52, slider - 53, slide rail - 54, rectangular slot - 55, guiding slot - 56, turning position structure - 57, mounting seat - 571, second driving body - 572, first short rod - 573, shaft rod - 574, second short rod - 575, first long rod - 576, second long rod - 577, first supporting block - 578, second supporting block - 579, carrier - 5710, convex piece - 5711, column rod - 5791, rectangular moving block - 5792, storage cylinder - 61, liquid outlet pipe - 62, partition - 63, cover seat - 64, servo motor - 65, driving gear - 66, driven gear - 67, rotating rod - 68, positioning structure - 69, turntable - 691, column - 692, guide rod - 693, inserting column - 694, arc - shaped through slot - 695. Detailed implementation manners

[0033] In order to further explain the technical solution of the present invention, the following will be elaborated in detail through specific embodiments.

[0034] Please refer to Figure 1 , the present invention provides a reverse osmosis membrane detection device, including a left vertical plate 1, a right vertical plate 2, a fixing block 3, a sealing and pressing mechanism 4, a moving and turning mechanism 5 and a supporting cylinder mechanism 6. The bottom of the right side of the left vertical plate 1 is fixedly connected to the right vertical plate 2. Fixing blocks 3 are arranged on the left side of the left vertical plate 1 and the right side of the right vertical plate 2. The sealing and pressing mechanism 4 is fastened on the upper part inside the left vertical plate 1 and the right vertical plate 2. The moving and turning mechanism 5 is embedded in the front side of the bottom of the left vertical plate 1 and the right vertical plate 2. The top side of the moving and turning mechanism 5 is fastened to the supporting cylinder mechanism 6, and the supporting cylinder mechanism 6 is arranged below the sealing and pressing mechanism 4. The top of the sealing and pressing mechanism 4 is connected to the external liquid end. After placing the reverse osmosis membrane group filter element inside the supporting cylinder mechanism 6 for positioning, the supporting cylinder mechanism 6 is pushed into directly below the sealing and pressing mechanism 4 through the moving and turning mechanism 5, and then the bottom of the sealing and pressing mechanism 4 is inserted into the inside of the supporting cylinder mechanism 6 and contacts above the reverse osmosis membrane group filter element, so as to fix the position of the reverse osmosis membrane group filter element. Then, external liquid is discharged into the reverse osmosis membrane group filter element, and the liquid after filtration detection is discharged from the bottom of the supporting cylinder mechanism 6. The performance of the reverse osmosis membrane is judged by detecting the discharged liquid. And through the adaptive sealing cooperation between the supporting cylinder mechanism 6 and the sealing and pressing mechanism 4, reverse osmosis membrane group filter elements of different sizes can be detected, improving the applicability and efficiency of detection.

[0035] Please refer to Figure 1 、 Figure 2 and Figure 3 For this, the present invention provides a reverse osmosis membrane detection device. The sealing and pressing mechanism 4 includes a first driving body 41 disposed on the upper side of the left vertical plate 1 on the left side. The output end of the first driving body 41 penetrates through the left vertical plate 1 and a rotating column 42 is coaxially rotated on the right side of the output end. A gear block 43 is fixedly wrapped around the middle side of the outer surface of the rotating column 42, and the right end of the rotating column 42 is rotatably connected to the right vertical plate 2. Under the action of the first driving body 41, the rotating column 42 drives the gear block 43 to perform a stable rotation action, and after rotation, the position of the gear block 43 is ensured to be fixed and not to rotate under the action of external force. A hollow tooth column 44 is meshed and driven on the front side of the gear block 43. The hollow tooth column 44 longitudinally penetrates and slides inside a positioning sleeve 45, so that under the action of the gear block 43, the hollow tooth column 44 makes a stable longitudinal position movement inside the positioning sleeve 45. The positioning sleeve 45 is fixedly connected to the middle side inside a rectangular seat 46. The left and right sides of the rectangular seat 46 are respectively locked and fixed to the left vertical plate 1 and the right vertical plate 2 through fastening bolts 47. The bottom end of the hollow tooth column 44 is fixedly connected to a chassis 48. When the hollow tooth column 44 longitudinally displaces, the height position where the chassis 48 is located is changed. Guide columns 49 are fixedly connected to both the left and right sides of the top of the chassis 48, and the two guide columns 49 respectively penetrate and slide inside the left and right sides of the rectangular seat 46. Through the limiting cooperation between the guide columns 49 and the rectangular seat 46, the stability of the hollow tooth column 44 and the chassis 48 when longitudinally changing positions is ensured, and it is not easy to generate position deviation. A rubber sheet 410 is provided on the bottom side of the chassis 48. A liquid inlet pipe 411 is fixedly penetrated inside the hollow tooth column 44. The bottom side of the liquid inlet pipe 411 penetrates through the middle sides of the chassis 48 and the rubber sheet 410. By connecting the liquid inlet pipe 411 to an external liquid end, external liquid enters the inside of the liquid inlet pipe 411 and is discharged from the middle position at the bottom side of the rubber sheet 410, so that after the chassis 48 and the rubber sheet 410 are inserted into the support cylinder mechanism 6, the external liquid is discharged into the reverse osmosis membrane group filter element. Sealing is achieved through the contact between the rubber sheet 410 and the top of the reverse osmosis membrane group filter element, so as to detect reverse osmosis membrane group filter elements of different sizes and improve the adaptability of detection.

[0036] Among them, the first driving body 41 includes a driving motor, a worm connected to the output of the driving motor, and a worm gear meshed and driven on one side of the worm. The middle part of the worm gear is connected to the rotating column 42, so as to prevent the rotating column 42 from rotating in position under the action of external force when the driving motor does not act. An arc-shaped depression is provided at the rear side of the rectangular seat 46, and the rotating column 42 is located inside the arc-shaped depression. A through groove 451 is provided in the middle of the rear part of the positioning sleeve 45, and the gear block 43 penetrates through the middle part inside the through groove 451, so as to facilitate the meshing contact between the front side of the gear block 43 and the hollow tooth column 44, and thus realize the adjustment of the longitudinal position movement of the hollow tooth column 44 through the rotation of the gear block 43.

[0037] Please refer to Figure 1 、 Figure 4 and Figure 5 For the present invention, a reverse osmosis membrane detection device is provided. The transfer and turning mechanism 5 includes a frame 51 whose left and right sides at the top are respectively connected to the left vertical plate 1 and the right vertical plate 2, two springs 52 arranged on the left and right sides inside the frame 51, two sliders 53 respectively connected to the front sides of the two springs 52, and two slide rails 54 respectively slidably connected to the sides of the sliders 53 close to the frame 51. The sliders 53 can move back and forth on the slide rails 54, and the springs 52 provide a forward restoring force to the sliders 53. Two rectangular grooves 55 are respectively opened in the front parts of the left and right sides of the frame 51, a guide groove 56 is arranged in the middle of the top side of the rectangular groove 55, and a turning structure 57 is arranged through the front side inside the frame 51. The two slide rails 54 are respectively fixed to the left and right sides of the inner wall of the frame 51. The guide groove 56 is arc-shaped. The left and right sides of the turning structure 57 respectively penetrate into the two rectangular grooves 55 and the guide groove 56, so that the turning structure 57 completes the back-and-forth position movement and the forward-tilting movement track under the guiding and limiting action of the rectangular grooves 55 and the guide groove 56. The left and right sides of the rear part of the turning structure 57 are respectively in contact with the two sliders 53, and the sliders 53 provide a certain restoring force to the turning structure 57. The middle part of the top side of the turning structure 57 is fastened to the support cylinder mechanism 6, so as to drive the support cylinder mechanism 6 to perform back-and-forth position movement and forward-tilting displacement action under the action of the turning structure 57, thereby facilitating the quick disassembly and assembly of the reverse osmosis membrane group filter element inside the support cylinder mechanism 6.

[0038] Among them, the flipping structure 57 includes a mounting seat 571 fixed to the right front side of the bottom of the frame 51, a second driving body 572 arranged on the right side of the mounting seat 571, a first short rod 573 connected to the left output end of the second driving body 572, a shaft rod 574 coaxially rotating at the bottom left of the first short rod 573, and a second short rod 575 connected to the left end of the shaft rod 574. Taking the second driving body 572 as the power source, the first short rod 573 drives the second short rod 575 to perform a synchronous turning movement through the shaft rod 574. A first long rod 576 is rotatably connected to the top left of the first short rod 573, and a second long rod 577 is rotatably connected to the top of the second short rod 575 near the mounting seat 571. The first short rod 573 drives the first long rod 576 to perform a turning movement, and the second short rod 575 drives the second long rod 577 to perform a turning movement. A first support block 578 is connected to the rear left of the first long rod 576, a second support block 579 is connected to the rear right of the second long rod 577, a carrier 5710 is fixedly connected to the top sides of the first support block 578 and the second support block 579, and a tab 5711 is fixedly connected to the middle of the top of the carrier 5710. The two long rods drive the two support blocks to drive the carrier 5710 and the tab 5711 to perform a displacement movement. The structure of the second driving body 572 is the same as that of the first driving body 41. The shaft rod 574 passes through and rotates inside the front lower side of the frame 51. The first support block 578 and the second support block 579 are respectively connected to the inner sides of the two rectangular grooves 55 and the guide groove 56, so that the first support block 578 and the second support block 579 perform a forward and backward position movement and a forward tilting displacement movement under the limiting and guiding action of the rectangular groove 55 and the guide groove 56. The rear sides of the first support block 578 and the second support block 579 are respectively in contact with and slide on the two sliders 53, and the sliders 53 play a role of supporting and resetting at the rear side. The top side of the tab 5711 is fastened to the support cylinder mechanism 6 to install and fix the support cylinder mechanism 6, thereby driving the support cylinder mechanism 6 to act.

[0039] Among them, both the first support block 578 and the second support block 579 are in a T-shaped structure, and column rods 5791 and rectangular moving blocks 5792 are rotatably arranged on the rear side and bottom side of the first support block 578 and the second support block 579 respectively. The column rods 5791 and rectangular moving blocks 5792 on the first support block 578 and the second support block 579 are respectively slidably arranged inside two rectangular grooves 55 and guiding grooves 56. The column rod 5791 on the first support block 578 is connected to the first long rod 576, and the column rod 5791 on the second support block 579 is connected to the second long rod 577. When the column rod 5791 and the rectangular moving block 5792 are not in the same horizontal position, when the first long rod 576 and the second long rod 577 act, they respectively drive the top side positions of the first support block 578 and the second support block 579 to perform a rotation action with the rectangular moving block 5792 as the fulcrum along the inside of the guiding groove 56. And when the column rod 5791 disengages from the inside of the guiding groove 56 until it is in the same horizontal position as the rectangular moving block 5792, it drives the first support block 578 and the second support block 579 to perform a lateral displacement in the front-back direction, so that the first support block 578 and the second support block 579 perform a displacement action of moving back and forth and tilting forward.

[0040] Please refer to Figure 1 、 Figure 6 and Figure 7 As shown in, the present invention provides a reverse osmosis membrane detection device. The support cylinder mechanism 6 includes a storage cylinder 61 whose middle side at the bottom is fastened to the moving and turning mechanism 5. The storage cylinder 61 performs a displacement action under the action of the moving and turning mechanism 5. A liquid outlet pipe 62 is embedded on the left side of the bottom of the storage cylinder 61. A partition plate 63 is fixed to the bottom side inside the storage cylinder 61. A cavity is formed between the bottom of the partition plate 63 and the storage cylinder 61. A cover seat 64 is arranged in the middle of the inside of the cavity, and the upper and lower sides of the cover seat 64 are respectively fixed to the partition plate 63 and the storage cylinder 61. A servo motor 65 is fastened to the bottom side inside the storage cylinder 61. The output end at the top of the servo motor 65 is connected to a driving gear 66. A driven gear 67 is meshed and driven on the left side of the driving gear 66. A rotating rod 68 is coaxially rotatably connected to the middle side at the top of the driven gear 67. Under the action of the servo motor 65, the driving gear 66 drives the rotating rod 68 to perform a rotating action through the cooperation with the driven gear 67. The rotating rod 68 penetrates and rotates inside the middle side of the partition plate 63. The top end of the rotating rod 68 is connected to the positioning structure 69, and the positioning structure 69 is installed on the top side of the partition plate 63, so as to drive the positioning structure 69 to act when the rotating rod 68 rotates, thereby clamping and positioning the reverse osmosis membrane group filter element at the outer side position. Not less than ten hollow holes for liquid circulation are opened in the partition plate 63 to facilitate the liquid to flow out and be detected outside.

[0041] Among them, the positioning structure 69 includes a turntable 691 with its bottom middle side connected to the rotating rod 68, three upright columns 692 penetrating and sliding inside the turntable 691, three guide rods 693 rotatably connected to the bottom ends of the three upright columns 692, and plug posts 694 respectively penetrating and rotating inside the three guide rods 693 on the side away from the upright columns 692. The bottom of the plug post 694 is fastened to the partition plate 63. Three arc-shaped through grooves 695 with the same structure and size are equidistantly arranged on the inner side of the top side of the turntable 691. The three upright columns 692 respectively penetrate and slide inside the three arc-shaped through grooves 695. When the turntable 691 rotates, the guide rod 693 makes a pivoting movement with the plug post 694 as the fulcrum through the cooperation of the arc-shaped through groove 695 and the upright column 692, so that the three upright columns 692 move away from or close to each other, so as to clamp and position the reverse osmosis membrane module filter elements of different sizes, and improve the adaptability range of detection.

[0042] The present invention provides a reverse osmosis membrane detection method, which uses the above-mentioned reverse osmosis membrane detection device, and the steps are as follows:

[0043] First, control and start the second driving body 572, so that the first short rod 573 drives the second short rod 575 to synchronously perform a pivoting movement through the shaft rod 574. The first short rod 573 drives the first long rod 576 to perform a pivoting movement, and the second short rod 575 drives the second long rod 577 to perform a pivoting movement. Through the two long rods, the two support blocks drive the carrier 5710 and the convex piece 5711 to move forward. Under the action of the guide groove 56, the carrier 5710 and the convex piece 5711 drive the cartridge 61 to tilt forward. Then, after placing the cylindrical reverse osmosis membrane filter element in the cartridge 61, control and start the servo motor 65. Under the action of the servo motor 65, the driving gear 66 drives the rotating rod 68 to perform a rotating movement through the cooperation with the driven gear 67. When the turntable 691 rotates, the guide rod 693 makes a pivoting movement with the plug post 694 as the fulcrum through the cooperation of the arc-shaped through groove 695 and the upright column 692, so that the three upright columns 692 approach each other, and center and position the reverse osmosis membrane module filter elements of different sizes placed inside the cartridge 61. Then, adjust the cartridge 61 to reset through the second driving body 572, so that the cartridge 61 is located directly below the sealing and pressing mechanism 4;

[0044] Second, start the first driving body 41, drive the hollow tooth column 44 to press down through the worm and gear to drive the gear block 43, so that the chassis 48 and the rubber sheet 410 are inserted into the cartridge 61 and form a sealed cavity with the end face of the filter element. And the liquid inlet pipe 411 is located above the top water inlet of the filter element. Inject a high-pressure liquid mixture of 1.0 - 2.0 MPa fluorescent dye, conductive salt and raw water into the filter element through the liquid inlet pipe 411. The high-pressure liquid is discharged from the liquid outlet pipe 62 after passing through the filter element. When the liquid continuously flows out of the liquid outlet pipe 62 and the pressure drop > 0.03 MPa / min, it is determined that the filter element seal fails;

[0045] Third, detect fluorescence and salinity below the liquid outlet pipe 62, and determine that leakage is caused by membrane breakage when the fluorescence intensity and conductivity increase abnormally;

[0046] Fourth, after detection, drive the chassis 48 and the rubber sheet 410 out of the silo 61, and then control the second driving body 572 to start to push the silo 61 forward and tilt it so as to take out the cylindrical reverse osmosis membrane filter element from the silo 61.

[0047] The above are only the preferred examples of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A reverse osmosis membrane detection device, comprising a left vertical plate (1), a right vertical plate (2) is fixedly connected to the bottom of the right side of the left vertical plate (1), and fixing blocks (3) are arranged on the left side of the left vertical plate (1) and the right side of the right vertical plate (2), characterized in that: It further includes a sealing and pressing mechanism (4) fastened to the upper inner sides of the left vertical plate (1) and the right vertical plate (2), a moving and turning mechanism (5) embedded in the front side of the bottoms of the left vertical plate (1) and the right vertical plate (2), and a supporting cylinder mechanism (6) fastened to the top side of the moving and turning mechanism (5). The supporting cylinder mechanism (6) is arranged below the sealing and pressing mechanism (4). The sealing and pressing mechanism (4) includes a first driving body (41) arranged on the upper left side of the left vertical plate (1). The output end of the first driving body (41) penetrates through the left vertical plate (1) and a rotating column (42) is coaxially rotated on the right side of the output end. A gear block (43) is wrapped and fixed on the middle side of the outer surface of the rotating column (42), and the right end of the rotating column (42) is rotatably connected to the right vertical plate (2). A hollow tooth column (44) is meshed and driven on the front side of the gear block (43). The hollow tooth column (44) longitudinally penetrates and slides inside a positioning sleeve (45). The positioning sleeve (45) is fixedly connected to the middle side inside a rectangular seat (46). The left and right sides of the rectangular seat (46) are respectively locked and fixed to the left vertical plate (1) and the right vertical plate (2) through fastening bolts (47). The bottom end of the hollow tooth column (44) is fixedly connected to a chassis (48). Guide columns (49) are fixedly connected to both the left and right sides of the top of the chassis (48), and the two guide columns (49) respectively penetrate and slide inside the left and right sides of the rectangular seat (46). A rubber sheet (410) is arranged on the bottom side of the chassis (48). A liquid inlet pipe (411) is fixedly penetrated inside the hollow tooth column (44). The bottom side of the liquid inlet pipe (411) penetrates through the middle sides of the chassis (48) and the rubber sheet (410).

2. The reverse osmosis membrane detection device according to claim 1, characterized in that: The first driving body (41) includes a driving motor, a worm connected to the output of the driving motor, and a worm gear meshed and driven on one side of the worm. The middle of the worm gear is connected to the rotating column (42).

3. The reverse osmosis membrane detection device according to claim 1, characterized in that: An arc-shaped recess is formed at the rear side of the rectangular seat (46), and the rotating column (42) is located inside the arc-shaped recess. A through groove (451) is formed in the middle of the rear part of the positioning sleeve (45), and the gear block (43) penetrates through the middle part inside the through groove (451).

4. The reverse osmosis membrane detection device according to claim 1, wherein: The shifting and flipping mechanism (5) includes a frame (51) with its left and right sides at the top connected to the left vertical plate (1) and the right vertical plate (2) respectively, two springs (52) arranged on the left and right sides inside the frame (51), two sliders (53) respectively connected to the front sides of the two springs (52), two slide rails (54) respectively slidably connected to the sides of the sliders (53) close to the frame (51), two rectangular slots (55) respectively opened at the front parts of the left and right sides of the frame (51), a guide slot (56) arranged at the middle of the top side of the rectangular slot (55), and a flipping structure (57) penetrating and arranged at the front side inside the frame (51). The two slide rails (54) are respectively fixed to the left and right sides of the inner wall of the frame (51). The guide slot (56) is arc-shaped. The left and right sides of the flipping structure (57) respectively penetrate and are arranged inside the two rectangular slots (55) and the guide slot (56), and the left and right sides of the rear part of the flipping structure (57) respectively contact the two sliders (53). The middle side of the top of the flipping structure (57) is fastened to the support cylinder mechanism (6).

5. The reverse osmosis membrane detection device according to claim 4, characterized in that: The flipping structure (57) includes a mounting seat (571) fixed to the right front side of the bottom of the frame (51), a second driving body (572) arranged on the right side of the mounting seat (571), a first short rod (573) connected to the left output end of the second driving body (572), a shaft rod (574) coaxially rotating at the bottom left of the first short rod (573), a second short rod (575) connected to the left end of the shaft rod (574), a first long rod (576) rotatably connected to the top left of the first short rod (573), a second long rod (577) rotatably connected to the side of the top of the second short rod (575) close to the mounting seat (571), a first support block (578) connected to the rear side of the left part of the first long rod (576), a second support block (579) connected to the rear side of the right part of the second long rod (577), a carrier (5710) fixedly connected to the top sides of the first support block (578) and the second support block (579), and a convex piece (5711) fixedly connected to the middle side of the top of the carrier (5710). The second driving body (572) has the same structure as the first driving body (41). The shaft rod (574) penetrates and rotates inside the front lower side of the frame (51). The first support block (578) and the second support block (579) are respectively connected to the inner sides of the two rectangular slots (55) and the guide slot (56), and the rear sides of the first support block (578) and the second support block (579) respectively contact and slide on the two sliders (53). The top side of the convex piece (5711) is fastened to the support cylinder mechanism (6).

6. The reverse osmosis membrane detection device according to claim 5, wherein: Both the first support block (578) and the second support block (579) are in a T-shaped structure, and column rods (5791) and rectangular moving blocks (5792) are respectively rotatably arranged on the rear sides and bottom sides of the first support block (578) and the second support block (579), and the column rods (5791) and the rectangular moving blocks (5792) on the first support block (578) and the second support block (579) are respectively slidably arranged on the inner sides of the two rectangular slots (55) and the guide slot (56).

7. The reverse osmosis membrane detection device according to claim 1, wherein: The support cylinder mechanism (6) includes a silo (61) whose bottom middle side is fastened to the tipping mechanism (5). A liquid outlet pipe (62) is embedded in the left bottom side of the silo (61). A partition plate (63) is fixed to the bottom side inside the silo (61). A cavity is formed between the bottom of the partition plate (63) and the silo (61). A cover base (64) is arranged in the middle side inside the cavity, and the upper and lower sides of the cover base (64) are respectively fixed to the partition plate (63) and the silo (61). A servo motor (65) is fastened to the bottom side inside the silo (61). The output end of the top of the servo motor (65) is connected to a driving gear (66). A driven gear (67) is meshed and driven on the left side of the driving gear (66). A rotating rod (68) is coaxially rotatably connected to the middle side of the top of the driven gear (67), and the rotating rod (68) penetrates and rotates through the middle side inside the partition plate (63). The top end of the rotating rod (68) is connected to a positioning structure (69), and the positioning structure (69) is installed on the top side of the partition plate (63). No less than ten hollow holes for liquid circulation are formed inside the partition plate (63).

8. The reverse osmosis membrane detection device according to claim 7, wherein: The positioning structure (69) includes a turntable (691) whose bottom middle side is connected to the rotating rod (68), three upright columns (692) penetrating and sliding inside the turntable (691), three guide rods (693) rotatably connected to the bottom ends of the three upright columns (692), and plug columns (694) respectively penetrating and rotating inside the three guide rods (693) on the side far from the upright columns (692). The bottom of the plug column (694) is fastened to the partition plate (63).

9. The reverse osmosis membrane detection device according to claim 8, characterized in that: Three arc-shaped through grooves (695) with the same structure and size are equidistantly formed inside the inner side of the top of the turntable (691). The three upright columns (692) respectively penetrate and slide inside the three arc-shaped through grooves (695).

10. A reverse osmosis membrane detection method, using the reverse osmosis membrane detection device according to any one of claims 1-9, characterized in that: It includes the following steps: S1. After placing the cylindrical reverse osmosis membrane filter element into the silo (61) of the support cylinder mechanism (6), centering positioning is carried out. The tipping structure (57) is driven by the tipping mechanism (5) to adjust the position inside the silo (61) so that the silo (61) is located directly below the sealing and pressing mechanism (4). S2. Start the first driving body (41) of the sealing and pressing mechanism (4). Drive the gear block (43) through a worm and worm gear to drive the hollow tooth column (44) to press down, so that the chassis (48) and the rubber sheet (410) are inserted into the silo (61) and form a sealed cavity with the end face of the filter element. Inject a high-pressure liquid mixed with fluorescent dye, conductive salt and raw water with a pressure of 1.0 - 2.0 MPa into the filter element through the liquid inlet pipe (411). When liquid continuously flows out of the liquid outlet pipe (62) and the pressure drop > 0.03 MPa / min, it is determined that the filter element seal fails. S3. The liquid is discharged from the liquid outlet pipe (62) at the bottom side of the silo (61). An optical sensor for detecting fluorescence and a conductivity sensor for detecting salt are installed below the liquid outlet pipe (62). When the fluorescence intensity and conductivity increase abnormally, it is determined that the membrane is damaged and leaks. S4. After detection, drive the chassis (48) and the rubber sheet (410) out of the silo (61), and drive the turnover structure (57) through the turnover mechanism (5) to adjust the silo (61) to be pushed forward and tilted, so as to take out the tubular reverse osmosis membrane filter element from the silo (61).

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