Drinking water pH value detection device

Abstract

The invention relates to the technical field of drinking water detection, in particular to a drinking water pH value detection device which is used for solving the problems that large-scale detection is inconvenient and continuous detection is easy to cause errors in the existing detection means. The device comprises a conveying mechanism, a plurality of to-be-detected drinking water is placed on the conveying mechanism, a detection mechanism comprises two sets of vertical rods, lantern rings are slidably connected to the vertical rods, pH value detection probes are installed on the outer walls of the lantern rings, protrusions are arranged on the inner walls of the lantern rings, sliding grooves matched with the protrusions are formed in the side walls of the vertical rods, and the upper sections and the lower sections of the sliding grooves are vertically arranged. The middle section of the sliding groove is obliquely arranged. Wiping cotton is arranged on the side portion of the vertical rod, and when the protrusion slides on the inclined section of the sliding groove, the pH value detection probe makes contact with the wiping cotton; after one piece of drinking water is detected and before another piece of drinking water is detected, the device can erase residual liquid on the pH value detection probe, so that the detection accuracy is improved.

Description

Technical Field

[0001] The invention relates to the technical field of drinking water detection, and in particular to a drinking water pH value detection device. Background Art

[0002] Traditional methods for testing the pH value of drinking water mostly rely on manual operations, and testers need to use a handheld pH meter to test water samples one by one.

[0003] This method is inefficient, especially when a large number of water samples need to be tested, and the manpower and time costs are extremely high.

[0004] Moreover, manual operation is easily affected by subjective factors, such as the operator's proficiency and the accuracy of readings, which can easily introduce measurement errors.

[0005] In addition, although some existing automated testing equipment has improved the testing efficiency to a certain extent, it still has many shortcomings.

[0006] Some equipment has a complex structure and high cost, which is not conducive to large-scale promotion and application; some equipment cannot effectively solve the problem of cleaning the detection probe during the detection process, resulting in mutual contamination between different water samples and inaccurate measurement results.

[0007] For example, after testing a highly acidic water sample, if there is acidic substance left on the probe, when the next water sample is tested, the residual substance will mix into the new water sample, changing its original pH value and thus interfering with the measurement. Summary of the invention

[0008] The invention provides a drinking water pH value detection device to solve the problems that existing detection means are inconvenient for large-scale detection and are prone to errors in continuous detection.

[0009] In order to alleviate the above technical problems, the technical solution provided by the present invention is: A drinking water pH value detection device comprises a detection mechanism, wherein the detection mechanism comprises a vertical pole, and a wiping cotton is arranged on the side of the vertical pole; A ring is slidably connected to the vertical pole, a pH value detection probe is installed on the outer wall of the ring, a protrusion is provided on the inner wall of the ring, and a slide groove cooperating with the protrusion is opened on the side wall of the vertical pole. The upper and lower sections of the slide groove are vertical, and the middle section of the slide groove is inclined. When the protrusion slides in the inclined section of the slide groove, the ring rotates ninety degrees, and when the protrusion slides from top to bottom in the inclined section of the slide groove, the pH value detection probe contacts the wiping cotton.

[0010] Preferably, a switching mechanism is further included, wherein the switching mechanism includes an electric telescopic rod, wherein an output end of the electric telescopic rod is provided with a clamping arm group formed by two electric clamping arms, wherein the two electric clamping arms correspond to the two vertical poles, wherein one vertical pole is a working vertical pole and the other vertical pole is a standby vertical pole; When it is necessary to switch the pH detection probe, release the clamp on the working pole, and then the electric telescopic rod drives the clamp arm group to rise to a high position, and the other electric clamp arm clamps the spare pole and then drives the pH detection probe on the spare pole to rotate and descend to a low position to perform the detection work.

[0011] Preferably, a calibration mechanism is further included, which includes a rotating frame, a receiving component is provided at the end of the rotating frame, and the side and bottom of the receiving component are open; the rotating frame reciprocates within a range of ninety degrees in a horizontal plane, and after the rotating frame rotates ninety degrees, the pH value detection probe to be calibrated rotates into the receiving component.

[0012] Preferably, a rotating rod is connected to the middle part of the rotating frame, a key on the rotating rod is slidably connected to a gear ring, and both of the two electric clamping arms are connected to racks that mesh with the gear ring. When the two electric clamping arms switch the clamping state, the rack drives the rotating rod to rotate ninety degrees.

[0013] Preferably, the two racks are connected with baffles, and the two end surfaces of the gear ring are respectively fitted with the two baffles and the two electric clamping arms.

[0014] Preferably, the calibration mechanism further comprises a piston cylinder, and the piston cylinder is used for pumping flushing liquid into the receiving component.

[0015] Preferably, a piston rod is slidably connected in the piston cylinder, and an extension plate is connected to the top of the piston rod. The extension plate is connected to the electric clamping arm. When the electric telescopic rod is raised or lowered, the extension plate is driven to rise or fall, thereby driving the piston rod to slide back and forth in the corresponding piston cylinder.

[0016] Preferably, two of the upright poles and one of the calibration mechanisms form a detection unit, and the drinking water pH value detection device is provided with two detection units.

[0017] Preferably, it also includes a conveying mechanism; the conveying mechanism includes a workbench, the workbench is symmetrically rotatably connected with two pulleys, a conveyor belt is transmission-connected between the two pulleys, and a placement rack is connected to the conveyor belt.

[0018] The beneficial effects of the present invention are analyzed as follows: A drinking water pH value detection device comprises a detection mechanism, which comprises a vertical pole, and a wiping cotton is arranged on the side of the vertical pole; a collar is slidably connected to the vertical pole, a pH value detection probe is installed on the outer wall of the collar, a protrusion is arranged on the inner wall of the collar, and a slide groove cooperating with the protrusion is opened on the side wall of the vertical pole, the upper section and the lower section of the slide groove are vertical, and the middle section of the slide groove is inclined, when the protrusion slides in the inclined section of the slide groove, the collar rotates ninety degrees, and when the protrusion slides from top to bottom in the inclined section of the slide groove, the pH value detection probe contacts the wiping cotton.

[0019] The drinking water to be tested is moved to the lower part of the pH value detection probe in turn. When the conveying mechanism transfers the drinking water to the position opposite the vertical pole, the ring on the vertical pole is at the uppermost position of the vertical pole, and then the ring slides down along the vertical pole, and the protrusion in the ring slides in the slide groove, so that the ring can rotate ninety degrees after moving down, and the pH value detection probe is inserted into the container containing drinking water to detect the pH value of the drinking water. After the pH value detection of the drinking water in the current container is completed, the ring rises again, and the wiping cotton fixedly placed on the side of the vertical pole can contact the pH value detection probe when the ring rotates ninety degrees, so that the drinking water in the previous container adhering to the pH value detection probe is wiped off, ensuring that there will be no interference when measuring the pH value of the next drinking water. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the related technologies, the drawings required for use in the specific embodiments or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the conveying mechanism of the present invention; Figure 3 It is a structural schematic diagram of the column of the present invention; Figure 4 It is a structural schematic diagram of the wiping cotton of the present invention; Figure 5 It is a structural schematic diagram of the electric telescopic rod of the present invention; Figure 6 It is a structural schematic diagram of the electric clamping arm of the present invention; Figure 7 It is a structural schematic diagram of the calibration mechanism of the present invention; Figure 8 For the present invention Figure 7 The structural diagram of part A in the figure; Fig. 9It is a structural schematic diagram of the placement rack of the present invention.

[0022] icon: 100, conveying mechanism; 110, workbench; 120, water tank; 121, partition; 130, pulley; 140, conveyor belt; 141, placement rack; 150, circulation pump; 200, detection mechanism; 210, upright pole; 211, slideway; 220, collar; 221, protrusion; 230, pH value detection probe; 240, wipe cotton; 300, switching mechanism; 310, electric telescopic rod; 320, electric clamping arm; 330, arc-shaped clamping claw; 34 0, swivel; 400, calibration mechanism; 410, swivel rod; 420, gear ring; 430, rack; 431, baffle; 440, swivel frame; 450, receiving component; 451, rubber baffle; 460, drain pipe; 470, piston cylinder; 471, piston rod; 472, extension plate; 473, spring; 474, extraction tube; 475, discharge pipe; 500, classification mechanism; 510, neutral jaw; 520, alkaline jaw; 530, acid jaw. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They 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 direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0026] Furthermore, the terms “first”, “second”, and “third” are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it 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 an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0028] For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] like Figure 1-Figure 9 As shown, a drinking water pH value detection device provided by the present application includes a conveying mechanism 100, a plurality of drinking water to be detected is placed on the conveying mechanism 100, and also includes a detection mechanism 200, the detection mechanism 200 includes two sets of vertical rods 210, a ring 220 is slidably connected to the vertical rod 210, a pH value detection probe 230 is installed on the outer wall of the ring 220, a protrusion 221 is provided on the inner wall of the ring 220, and a slide groove 211 cooperating with the protrusion 221 is opened on the side wall of the vertical rod 210, and the slide groove The upper and lower sections of 211 are both vertically arranged, and the middle section of the slide 211 is inclined. When the protrusion 221 slides in the inclined section of the slide 211, the ring 220 rotates ninety degrees, and when the protrusion 221 slides from bottom to top in the inclined section of the slide 211, the conveying mechanism 100 conveys the drinking water to be tested at the rear to the testing position; a wiping cotton 240 is arranged on the side of the vertical rod 210, and when the protrusion 221 slides in the inclined section of the slide 211, the pH value detection probe 230 contacts the wiping cotton 240.

[0030] The working mechanism of the drinking water pH value detection device provided in this embodiment is as follows: The multiple drinking waters to be tested are placed in containers respectively. The containers can be glass test tubes. The glass test tubes are placed on the conveying mechanism 100. The conveying mechanism 100 conveys the multiple drinking waters to be tested, and moves the distance between two adjacent drinking waters each time, so that the multiple drinking waters to be tested are moved to the lower part of the pH value detection probe 230 in turn. When the conveying mechanism 100 transfers the drinking water to the position facing the vertical rod 210, the ring 220 on the vertical rod 210 is at the uppermost position of the vertical rod 210, and then the ring 220 moves along the vertical rod 210. 0 slides down, and the protrusion 221 in the ring 220 slides in the slide groove 211, so that the ring 220 can rotate ninety degrees after moving down, and the pH value detection probe 230 is inserted into the container containing drinking water to detect the pH value of the drinking water. After the pH value detection of the drinking water in the current container is completed, the ring 220 rises again. When the pH value detection probe 230 moves out of the container containing drinking water, the conveying mechanism 100 conveys the drinking water to be detected again, so that the next drinking water to be detected moves to a position directly opposite to the vertical rod 210; The slide groove 211 has a vertical section and an inclined section. When the protrusion 221 slides from the vertical section to the inclined section, the collar 220 can rotate 90 degrees. The wiping cotton 240 fixedly placed on the side of the vertical rod 210 can contact the pH value detection probe 230 when the collar 220 rotates 90 degrees, so that the drinking water in the previous container adhered to the pH value detection probe 230 is wiped off, ensuring that the pH value measurement of the next drinking water will not be interfered; A groove is provided in the middle of the wiping cotton 240, and the pH detection probe 230 passes through the groove to ensure the wiping effect and avoid the residue of liquid droplets. The wiping cotton 240 is adaptively replaced or dried regularly according to the use time and the characteristics of the manufacturing material; The pH value detection probes 230 are arranged on both sets of upright poles 210, so that the pH value of the same drinking water can be measured twice, thereby reducing the possibility of measurement errors.

[0031] Regarding the structure of the switching mechanism 300, specifically: The switching mechanism 300 includes an electric telescopic rod 310, and each of the two vertical poles 210 forms a group. Two electric telescopic rods 310 are provided, and the two electric telescopic rods 310 are respectively arranged at the middle position between the corresponding two vertical poles 210; the output end of the electric telescopic rod 310 is symmetrically connected to two electric clamping arms 320, and the electric clamping arms 320 are connected to arc-shaped clamping claws 330, and the ring 220 is rotatably connected to a rotating ring 340. When one of the arc-shaped clamping claws 330 is clamped on the rotating ring 340, the corresponding pH value detection probe 230 is in a working state, and the other arc-shaped clamping claw 330 is away from the rotating ring 340, so that when the electric telescopic rod 310 is extended and retracted, one of the rings 220 is driven to move vertically; when the difference in the detection values ​​of the two groups of pH value detection probes 230 in the working state is large, after the electric telescopic rod 310 is extended to the maximum length, the two electric clamping arms 320 switch the clamping state.

[0032] Only one of the two pH value detection probes 230 in the same group is in working state, that is, one of the two electric clamping arms 320 is in clamping state, and the other is in releasing state. When the electric clamping arms 320 are in clamping state, the arc-shaped clamping claws 330 are clamped on the rotating ring 340, so that the extension and retraction of the electric telescopic rod 310 can drive the clamped rotating ring 340 to rise and fall. Since the rotating ring 340 is rotatably connected with the collar 220, it will not interfere with the rotation of the collar 220. According to the interval distance between the two groups of detection mechanisms 200, the control system sets the interval time for the two groups of pH detection probes 230 to obtain the pH value of the same drinking water, so that the pH values ​​of the same drinking water detected twice are matched. After the two groups of pH detection probes 230 detect the same drinking water, if the difference in the measured pH values ​​is large, it means that the pH detection probes 230 need to be calibrated. At this time, the two pH detection probes 230 in the same group switch their working states. After the electric telescopic rod 310 is extended to the longest length, the control system controls the electric clamping arm 320 in the current clamping state to release, and the other electric clamping arm 320 is in the clamping state, so that the other ring 220 is driven by the electric telescopic rod 310 to slide vertically. At this time, the pH detection probe 230 that was in the working state before stops working, and the other pH detection probe 230 starts working. By switching the pH detection probes 230, the detection of the pH value of the drinking water will not be suspended due to the pH detection probes 230, thereby ensuring the detection efficiency.

[0033] Regarding the structure of the calibration mechanism 400, specifically: The calibration mechanism 400 includes a rotating frame 440, and receiving components 450 are arranged at both ends of the rotating frame 440. The receiving component 450 has an upper port and a side port. The side port of the receiving component 450 is connected to two rubber baffles 451. The rotating frame 440 reciprocates within a range of ninety degrees. After the rotating frame 440 rotates ninety degrees, the pH value detection probe 230 in the turning direction of the rotating frame 440 pushes the rubber baffle 451 and moves into the corresponding receiving component 450.

[0034] The pH detection probe 230 that stops working after switching then enters the calibration state. The calibration mechanism 400 of this embodiment can perform an immersion cleaning method and an activation treatment method to eliminate the electrode memory effect of the pH detection probe 230. When the pH detection probe 230 is in a non-working state, the rotating frame 440 rotates toward the pH detection probe 230 in a non-working state. At this time, the pH detection probe 230 can push the two rubber baffles 451 of the receiving component 450 to deform, and pass through the gap between the two rubber baffles 451 to enter the receiving component 450. After the pH detection probe 230 enters the receiving component 450, it can then be calibrated; The rubber baffle 451 may also be replaced by other deformable and restorable non-magnetic materials, which can ensure that the pH detection probe 230 enters and exits the receiving component 450 and that the flushing liquid or other liquid in the receiving component 450 does not splash out.

[0035] Among the optional methods of this embodiment, the more preferred ones are: A rotating rod 410 is connected to the middle of the rotating frame 440, and a gear ring 420 is slidably connected to the rotating rod 410. The two electric clamping arms 320 are both connected to a rack 430 meshing with the gear ring 420. When the two electric clamping arms 320 switch the clamping state, the rack 430 drives the rotating rod 410 to rotate ninety degrees.

[0036] One of the two pH detection probes 230 in the same group is in working state, and the other is in calibration state. When the two electric clamping arms 320 switch the clamping state, the relative position of the two electric clamping arms 320 drives the two racks 430 to move synchronously and in opposite directions, so that the two racks 430 drive the gear ring 420 to rotate ninety degrees. At this time, the gear ring 420 drives the rotating rod 410 to rotate, so that the rotating rod 410 drives the rotating frame 440 to rotate ninety degrees, so that the replaced pH detection probe 230 can be in calibration state.

[0037] Among the optional methods of this embodiment, the more preferred ones are: The two racks 430 are connected with blocking bars 431 , and both end surfaces of the gear ring 420 are respectively in contact with the two blocking bars 431 and the two electric clamping arms 320 .

[0038] Since the electric clamp arm 320 is raised and lowered following the extension and retraction of the electric telescopic rod 310, the extension and retraction of the electric telescopic rod 310 can drive the toothed ring 420 to slide on the rotating rod 410 through the electric clamp arm 320 and the baffle bar 431, ensuring that the rack 430 can always be engaged with the toothed ring 420, so that it can respond in time when the pH value detection probe 230 is switched. A key is provided inside the toothed ring 420, and a key groove that matches the key clearance is provided on the side wall of the rotating rod 410, ensuring that the toothed ring 420 can slide relative to the rotating rod 410 without relative rotation.

[0039] Among the optional methods of this embodiment, the more preferred ones are: The calibration mechanism 400 also includes four piston cylinders 470 corresponding to the four receiving components 450. The piston cylinders 470 are connected with an extraction pipe 474 and a discharge pipe 475. Both the extraction pipe 474 and the discharge pipe 475 are provided with a one-way valve. The extraction pipe 474 is connected to the external flushing liquid, and the discharge pipe 475 is connected to the adjacent receiving component 450. The bottom of the receiving component 450 is connected with a discharge pipe 460. The piston cylinder 470 is slidably connected with a piston rod 471 through a spring 473; the top of the piston rod 471 is connected with an extension plate 472. After the electric clamping arm 320 moves away from the corresponding swivel 340, the electric telescopic rod 310 is telescoped through the electric clamping arm 320 in the non-clamping state to drive the piston rod 471 to slide back and forth in the corresponding piston cylinder 470.

[0040] The pH value detection probe 230 corresponding to the electric clamp arm 320 in the non-clamping state is in the calibration state, and the pH value detection probe 230 is in the corresponding receiving part 450. When the electric clamp arm 320 no longer performs the clamping action, the overall width of the electric clamp arm 320 becomes larger, so that the electric clamp arm 320 can touch the extension plate 472 on the piston rod 471 corresponding to the receiving part 450, so that when the electric telescopic rod 310 reciprocates and retracts, the other pH value detection probe 230 is in the working state, and the electric clamp arm 320 in the non-clamping state is The corresponding piston rod 471 can be continuously pushed through the extension plate 472, so that the piston rod 471 slides back and forth in the corresponding piston cylinder 470, so that the piston cylinder 470 extracts the flushing liquid through the extraction tube 474, and discharges the flushing liquid into the receiving part 450 through the discharge tube 475, so that the pH value detection probe 230 in the receiving part 450 is flushed, and the flushing liquid after flushing the pH value detection probe 230 is discharged from the receiving part 450 through the discharge tube 460, so as to prevent excessive flushing liquid from remaining in the receiving part 450 and overflowing.

[0041] Regarding the structure of the conveying mechanism 100, specifically: The conveying mechanism 100 includes a workbench 110 , on which two pulleys 130 are symmetrically rotatably connected, a conveyor belt 140 is transmission-connected between the two pulleys 130 , a placement rack 141 is connected to the conveyor belt 140 , and the drinking water to be tested is placed on the placement rack 141 .

[0042] The two pulleys 130 are driven by a motor. When the pulleys 130 rotate, they can drive the conveyor belt 140 to move, so that the placement rack 141 on the conveyor belt 140 drives the drinking water container to move. The control system controls the motor to start and stop intermittently. Each time the motor runs, the drinking water container is transported to the length of the placement rack 141. Then the motor stops running and the electric telescopic rod 310 begins to shorten. When the electric telescopic rod 310 is shortened and then extended to the maximum length, the motor starts again and repeats the above action.

[0043] Among the optional methods of this embodiment, the more preferred ones are: The conveying mechanism 100 further includes a water tank 120 . The two pulleys 130 are both located in the water tank 120 . The side wall of the container of the drinking water to be tested is in contact with the inner wall of the water tank 120 .

[0044] The water tank 120 is filled with constant temperature water, and a temperature control device, such as a heating wire or a cooling plate, may be provided in the water tank 120 to keep the water temperature in the water tank 120 constant, so that the temperature of the drinking water to be tested is maintained after being in the water tank 120, thereby eliminating the error factor of the temperature on the result of pH value detection; A notch is provided on the side of the placement rack 141 , and the drinking water container fits against the inner wall of the water tank 120 through the notch.

[0045] Among the optional methods of this embodiment, the more preferred ones are: A partition 121 is provided in the water tank 120 in the middle of the two pulleys 130, and a circulation pump 150 is connected to the workbench 110. The extraction end and the pumping end of the circulation pump 150 are respectively connected to the spaces on both sides of the partition 121. When the difference in the detection values ​​of the two groups of pH detection probes 230 in working state is large, the pumping speed of the circulation pump 150 increases.

[0046] The arrangement of the circulation pump 150 and the partition 121 allows the water in the water tank 120 to be in a flowing state, thereby ensuring the temperature uniformity inside the water tank 120. When the pH value detection probe 230 switches the working state, the pump speed of the circulation pump 150 increases, so that the water flow rate in the water tank 120 is accelerated, ensuring uniform temperature everywhere, so that when the water in the drinking water container is measured again after switching the pH value detection probe 230, the influencing factor of temperature is eliminated.

[0047] Regarding the structure of the classification mechanism 500, specifically: The classification mechanism 500 includes a neutral clamp 510, an alkaline clamp 520, and an acidic clamp 530 that slide on the workbench 110. The neutral clamp 510, the alkaline clamp 520, and the acidic clamp 530 can all be moved into the water tank 120. The neutral clamp 510 is spaced apart from the detection mechanism 200 on the same side by a first distance, the alkaline clamp 520 is spaced apart from the detection mechanism 200 on the same side by a second distance, and the acidic clamp 530 is spaced apart from the detection mechanism 200 on the same side by a third distance. When the drinking water is neutral and the detection mechanism 200 moves a first distance to the neutral clamp 510, the neutral clamp 510 clamps the corresponding drinking water container. When the drinking water after detection is alkaline and the detection mechanism 200 moves a second distance to the alkaline clamp 520, the alkaline clamp 520 clamps the corresponding drinking water container. When the drinking water after detection is acidic and the detection mechanism 200 moves a third distance to the acidic clamp 530, the acidic clamp 530 clamps the corresponding drinking water container.

[0048] The classification mechanism 500 can classify drinking water containers according to the measured pH value. If the pH value detection probe 230 does not switch after measuring the same drinking water twice, the classification action is performed, and the control system controls the neutral jaw 510, the alkaline jaw 520 and the acidic jaw 530 to grab and classify drinking water with different pH values, thereby facilitating subsequent work.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A drinking water pH value detection device, characterized in that: The detection mechanism (200) comprises a vertical rod (210), and a wiping cotton (240) is arranged on the side of the vertical rod (210); A collar (220) is slidably connected to the vertical rod (210), a pH value detection probe (230) is installed on the outer wall of the collar (220), a protrusion (221) is arranged on the inner wall of the collar (220), a slide groove (211) cooperating with the protrusion (221) is opened on the side wall of the vertical rod (210), the upper and lower sections of the slide groove (211) are vertical, and the middle section of the slide groove (211) is inclined, when the protrusion (221) slides in the inclined section of the slide groove (211), the collar (220) rotates ninety degrees, and when the protrusion (221) slides from top to bottom in the inclined section of the slide groove (211), the pH value detection probe (230) contacts the wiping cotton (240).

2. The drinking water pH value detection device according to claim 1, characterized in that: It also includes a switching mechanism (300), the switching mechanism (300) including an electric telescopic rod (310), the output end of the electric telescopic rod (310) being provided with a clamping arm group formed by two electric clamping arms (320), the two electric clamping arms (320) corresponding to the two vertical poles (210), one of the vertical poles (210) being a working vertical pole (210), and the other vertical pole (210) being a standby vertical pole (210); When it is necessary to switch the pH value detection probe (230), the clamping of the working vertical pole (210) is released, and then the electric telescopic rod (310) drives the clamping arm group to rise to a high position, and the other electric clamping arm (320) clamps the spare vertical pole (210) and then drives the pH value detection probe (230) on the spare vertical pole (210) to rotate and descend to a low position and then perform the detection work.

3. The drinking water pH value detection device according to claim 2, characterized in that: The device also comprises a calibration mechanism (400), the calibration mechanism (400) comprising a rotating frame (440), a receiving component (450) being arranged at the end of the rotating frame (440), and the side and bottom of the receiving component (450) being open; the rotating frame (440) reciprocates within a range of ninety degrees in a horizontal plane, and after the rotating frame (440) rotates ninety degrees, the pH value detection probe (230) to be calibrated rotates and enters the receiving component (450).

4. The drinking water pH value detection device according to claim 3, characterized in that: A rotating rod (410) is connected to the middle of the rotating frame (440), a gear ring (420) is slidably connected to the rotating rod (410), and racks (430) meshing with the gear ring (420) are connected to the two electric clamping arms (320), and when the two electric clamping arms (320) switch the clamping state, the racks (430) drive the rotating rod (410) to rotate ninety degrees.

5. The drinking water pH value detection device according to claim 4, characterized in that: The two racks (430) are both connected to a retaining bar (431), and the two end surfaces of the gear ring (420) are respectively fitted with the two retaining bars (431) and the two electric clamping arms (320).

6. The drinking water pH value detection device according to claim 5, characterized in that: The calibration mechanism (400) further comprises a piston cylinder (470), wherein the piston cylinder (470) is used to pump flushing liquid toward the receiving component (450).

7. The drinking water pH value detection device according to claim 6, characterized in that: A piston rod (471) is slidably connected inside the piston cylinder (470), and an extension plate (472) is connected to the top of the piston rod (471). The extension plate (472) is connected to the electric clamping arm (320). When the electric telescopic rod (310) is raised or lowered, the extension plate (472) is driven to be raised or lowered, thereby driving the piston rod (471) to slide back and forth in the corresponding piston cylinder (470).

8. The drinking water pH value detection device according to claim 7, characterized in that: A detection unit is formed by two of the upright poles (210) and one of the calibration mechanisms (400), and the drinking water pH value detection device is provided with two detection units.

9. The drinking water pH value detection device according to claim 8, characterized in that: It also comprises a conveying mechanism (100); the conveying mechanism (100) comprises a workbench (110), two pulleys (130) are symmetrically rotatably connected to the workbench (110), a conveying belt (140) is transmission-connected between the two pulleys (130), and a placement rack (141) is connected to the conveying belt (140).

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