PH meter with cleaning system

Abstract

The utility model relates to the technical field of pH meters, in particular to a pH meter with a cleaning system, which comprises a pen-type pH meter and a cleaning frame, one side of the cleaning frame is fixedly connected with a transparent storage tube, the other side of the cleaning frame is fixedly connected with a first water tank, a second water tank and an air collecting box, a push rod in the first water tank is pushed, and the first water tank and the second water tank are communicated with each other. The piston head pushes liquid to be sprayed out from the spray head through the bifurcated pipe, the probe of the PH meter is flushed through deionized water, after flushing is completed, the deionized water is discharged through the water outlet, then the push rod in the second water tank is pushed downwards, the saturated potassium chloride solution is sprayed out again, the probe is flushed again, and after flushing is completed, the saturated potassium chloride solution is still discharged through the water outlet. After the fan is powered on and started, air is continuously blown towards the probe through the exhaust pipe, the drying speed of the probe is increased, the pen type PH meter is more convenient to clean, the sensitivity of the probe is conveniently kept, and errors of detection data are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to pH meter technical field, concretely is a kind of pH meter with cleaning system. BACKGROUND

[0002] Acid-base meter is a kind of instrument for measuring pH value, also called pH meter, acid-base detector, it is the instrument for measuring solution pH value using pH indicating electrode with potential method, PH meter probe will contact various solutions in the process of use, impurities in solution such as organic matter, inorganic matter, colloid etc. are easily attached on the surface of probe, these pollutants can change the nature of probe surface, affect ion exchange and potential balance between probe and solution, so as to cause the deviation of measurement result, for this, the cleaning of probe is necessary, and in actual use, non-professional staff often ignore this problem.

[0003] And the cleaning process of probe is also relatively complex, needs to use deionized water and saturated potassium chloride solution to clean respectively, first, deionized water is used to flush probe, to remove most of the impurities and dirt on the surface of probe, then saturated potassium chloride solution is used to flush or soak probe, to restore the performance of probe, maintain sensitivity, finally deionized water is used to flush probe again to remove saturated potassium chloride solution, repeated operation, complex, for non-professional staff, they cannot completely operate according to cleaning steps, often make the sensitivity of PH meter probe after cleaning not well restored and maintained, for this, a kind of PH meter with cleaning system is set, cleaning steps are set in cleaning system, so that non-professional staff can accurately complete cleaning work, which provides great assistance for accurate measurement of PH meter. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the application provides a kind of pH meter with cleaning system, including pen type PH meter, also including cleaning frame, the side of the cleaning frame is fixedly connected with transparent storage tube, the other side of the cleaning frame is fixedly connected with water tank No. 1, water tank No. 2 and air collector box;

[0005] The pen type PH meter is stored in the transparent storage tube, the water tank No. 1 and the water tank No. 2 are arranged in parallel, and the piston head is movably installed in the water tank No. 1 and the water tank No. 2, the water tank No. 1 and the water tank No. 2 are fixedly communicated with the transparent storage tube through the bifurcated pipe, and the air collector box is communicated with the transparent storage tube through the exhaust pipe.

[0006] In some embodiments, a first sealing ring is fixedly connected to an upper position in the transparent storage tube, a second sealing ring is fixedly connected to a middle position of the transparent storage tube, the pen type PH meter passes through the first sealing ring and the second sealing ring in sequence, and the probe of the pen type PH meter extends into a lower position of the transparent storage tube.

[0007] In some embodiments, the lower part of the transparent storage tube is provided with a cutoff, and the bottom of the transparent storage tube is provided with a water outlet, and a sealing plug is movably installed in the water outlet.

[0008] In some embodiments, one end of the bifurcated pipe is bifurcated into two joints, and is respectively connected with the first water tank and the second water tank, the other end of the bifurcated pipe extends into the transparent storage tube and is fixedly connected with a spray head, the spray head is located below the pen-type PH meter probe, an on-off valve is movably installed on the bifurcated pipe, and a one-way valve is fixedly connected to each of the two joints of the bifurcated pipe.

[0009] In some embodiments, the lower end of the push rod is fixedly connected with a connecting plate, and the piston head is fixedly connected to the bottom of the connecting plate, and the connecting plate and the piston head are movably installed in the first water tank or the second water tank.

[0010] In some embodiments, the lower part of the first water tank and the second water tank is fixedly connected with a support column, and the first water tank and the second water tank are fixedly connected to the cleaning frame through the support column.

[0011] In some embodiments, the fan is fixedly connected in the air collecting box, and one end of the air exhaust pipe extends into the transparent storage tube and is located below the pen-type PH meter probe.

[0012] The utility model at least has the following beneficial effects:

[0013] In the first water tank and the second water tank, deionized water and saturated potassium chloride solution are respectively added, the push rod in the first water tank is pushed, the piston head pushes the liquid to be sprayed from the spray head through the bifurcated pipe, the probe of the PH meter is washed, after washing, the deionized water is discharged through the water outlet, then the push rod and the piston head in the second water tank are pushed downward, so that the saturated potassium chloride solution is sprayed to wash the probe again, after washing, the water outlet is discharged again, then the fan is powered on and started, air is continuously blown to the probe through the air exhaust pipe, the drying speed of the probe is accelerated, the pen-type PH meter is more convenient to clean, the sensitivity of the probe is maintained, and the detection data is prevented from being erroneous. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is another structure schematic view of the utility model in another direction;

[0016] Figure 3 It is a structure schematic view of the pen-type PH meter in the transparent storage tube;

[0017] Figure 4 It is the cross section structure schematic view of the transparent storage tube of the utility model;

[0018] Figure 5 It is the fan structure schematic view in the wind collecting box of the utility model;

[0019] Figure 6 It is the structure schematic view of the first water tank and the second water tank of the utility model.

[0020] In the drawing: 1, pen type pH meter; 2, cleaning frame; 3, transparent storage tube; 4, first sealing ring; 5, second sealing ring; 6, cut-off port; 7, water outlet; 8, sealing plug; 9, bifurcated pipe; 10, spray head; 11, on-off valve; 12, check valve; 13, first water tank; 14, second water tank; 15, push rod; 16, connecting plate; 17, piston head; 18, support column; 19, wind collecting box; 20, fan; 21, exhaust pipe. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment one:

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 , the utility model provides a kind of technical scheme: a pH meter with cleaning system, including pen type pH meter 1, still including cleaning frame 2, cleaning frame 2 one side is fixedly connected with transparent storage tube 3, and the other side of cleaning frame 2 is fixedly connected with first water tank 13, second water tank 14 and wind collecting box 19;

[0024] Pen type pH meter 1 is stored in transparent storage tube 3, first water tank 13 and second water tank 14 are arranged in parallel, and piston head 17 is movably installed in first water tank 13 and second water tank 14, and first water tank 13 and second water tank 14 are fixedly communicated with transparent storage tube 3 by bifurcated pipe 9;

[0025] Further, first sealing ring 4 is fixedly connected to the upper position in transparent storage tube 3, second sealing ring 5 is fixedly connected to the middle of transparent storage tube 3, pen type pH meter 1 passes through first sealing ring 4 and second sealing ring 5 in turn, and the probe position of pen type pH meter 1 extends into the lower position of transparent storage tube 3;

[0026] The pen type PH meter 1 is sealed by the first sealing ring 4 and the second sealing ring 5 in sequence, so that the liquid in the transparent storage tube 3 is prevented from flowing upward and damaging the electrical elements above the pen type PH meter 1, and the first sealing ring 4 and the second sealing ring 5 support and position the pen type PH meter 1, so that the pen type PH meter 1 is positioned in the transparent storage tube 3 by a large static friction force, thereby preventing the pen type PH meter 1 from falling.

[0027] Further, the lower part of the transparent storage tube 3 is provided with a cutoff 6, and the bottom surface of the transparent storage tube 3 is provided with a water outlet 7, and the water outlet 7 is movably provided with a sealing plug 8.

[0028] The cutoff 6 is provided to prevent the liquid level from rising upward, and the liquid in the transparent storage tube 3 is provided with a maximum liquid level, and when the liquid is higher than the height of the cutoff 6, the liquid will flow out from the cutoff 6, thereby guiding the excess liquid out.

[0029] Further, one end of the bifurcated pipe 9 is bifurcated into two joints, and is in communication with the first water tank 13 and the second water tank 14 respectively, the other end of the bifurcated pipe 9 extends into the transparent storage tube 3 and is fixedly connected with a spray head 10, the spray head 10 is located below the probe of the pen type PH meter 1, a on-off valve 11 is movably installed on the bifurcated pipe 9, and a one-way valve 12 is fixedly connected to the two joints of one end of the bifurcated pipe 9 respectively.

[0030] The one-way valve 12 prevents the liquid in the first water tank 13 and the second water tank 14 from flowing into the other tank, so that the first water tank 13 and the second water tank 14 can only discharge liquid and prevent backflow, the on-off valve 11 is used to control whether the bifurcated pipe 9 operates, and the bifurcated pipe 9 penetrates the partition plate at the middle position of the cleaning frame 2.

[0031] Further, the lower end of the push rod 15 is fixedly connected with a connecting plate 16, a piston head 17 is fixedly connected to the bottom surface of the connecting plate 16, and the connecting plate 16 and the piston head 17 are movably installed in the first water tank 13 or the second water tank 14, a support column 18 is fixedly connected to the lower part of the first water tank 13 and the second water tank 14, and the cleaning frame 2 is fixedly connected to the first water tank 13 and the second water tank 14 through the support column 18.

[0032] The lower end of the push rod 15 is fixedly connected with the piston head 17 through the connecting plate 16, the piston head 17 is pressed down in the first water tank 13 or the second water tank 14, so as to spray the liquid out through the spray head 10 and flush the pen type PH meter 1, when it is necessary to add liquid, the piston head 17 and the push rod 15 are pulled out, then the external liquid is directly poured into the first water tank 13 or the second water tank 14, and then the piston head 17 is reinstalled in the first water tank 13 or the second water tank 14.

[0033] When cleaning the probe of the pen-type pH meter 1, place the pen-type pH meter 1 inside the transparent storage tube 3. The pen-type pH meter 1 passes through the first sealing ring 4 and the second sealing ring 5 in sequence. Then, open the on / off valve 11 on the bifurcation tube 9. By pressing down the push rod 15 in the first water tank 13, the piston head 17 pushes the deionized water through the bifurcation tube 9 into the transparent storage tube 3, and finally sprays it out through the nozzle 10 to rinse the probe above. After rinsing with deionized water, open the sealing plug 8 to allow the deionized water to pass through easily. After the water outlet 7 is discharged, the sealing plug 8 is reinstalled into the water outlet 7 to seal the water outlet 7 again. Then, the push rod 15 in the second water tank 14 is pushed so that the saturated potassium chloride solution enters the transparent receiving tube 3 through the bifurcation tube 9 and is sprayed out again through the nozzle 10 to rinse the probe. After rinsing, the saturated potassium chloride solution is discharged again. Then, the push rod 15 in the first water tank 13 is operated again so that deionized water is sprayed out again to clean the probe and remove the residual saturated potassium chloride solution, thus completing the probe cleaning work.

[0034] Example 2:

[0035] Please see Figures 1 to 6 Based on Embodiment 1, this utility model provides another technical solution: the air collecting box 19 is connected to the transparent storage tube 3 through the exhaust pipe 21, a fan 20 is fixedly connected inside the air collecting box 19, and one end of the exhaust pipe 21 extends into the transparent storage tube 3 and is located below the probe of the pen-type pH meter 1.

[0036] After the probe of the pen-type pH meter 1 is cleaned, the fan 20 in the air collection box 19 is started, so that the fan 20 blows air through the exhaust pipe 21 into the transparent storage tube 3 to dry the probe of the pen-type pH meter 1, so that the probe can be dried quickly. Alternatively, when the probe of the pen-type pH meter 1 is soaked in potassium chloride solution, the fan 20 can be started to introduce air into the soaking potassium chloride solution, agitate the liquid and create a similar effect to stirring the liquid, so that the soaking effect of the probe is better.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pH meter with a cleaning system, comprising a pen-type pH meter (1), characterized in that: It also includes a cleaning rack (2), on one side of which a transparent storage tube (3) is fixedly connected, and on the other side of which a first water tank (13), a second water tank (14) and an air collection box (19) are fixedly connected; The pen-type pH meter (1) is housed in a transparent storage tube (3). The first water tank (13) and the second water tank (14) are arranged in parallel front to back, and a piston head (17) is movably installed in both the first water tank (13) and the second water tank (14). The first water tank (13) and the second water tank (14) are fixedly connected to the transparent storage tube (3) through a branch pipe (9). The air collection box (19) is connected to the transparent storage tube (3) through an exhaust pipe (21).

2. A pH meter with a cleaning system according to claim 1, characterized in that: A first sealing ring (4) is fixedly connected to the upper part of the transparent storage tube (3), and a second sealing ring (5) is fixedly connected to the middle part of the transparent storage tube (3). The pen-type pH meter (1) passes through the first sealing ring (4) and the second sealing ring (5) in sequence, and the probe of the pen-type pH meter (1) extends into the lower part of the transparent storage tube (3).

3. A pH meter with a cleaning system according to claim 2, characterized in that: The transparent storage tube (3) has a stop port (6) at its lower part and a water outlet (7) at its bottom surface. A sealing plug (8) is movably installed inside the water outlet (7).

4. A pH meter with a cleaning system according to claim 3, characterized in that: One end of the branch pipe (9) branches into two connectors, which are respectively connected to the No. 1 water tank (13) and the No. 2 water tank (14). The other end of the branch pipe (9) extends into the transparent receiving tube (3) and is fixedly connected to a nozzle (10). The nozzle (10) is located below the probe of the pen-type pH meter (1). An on / off valve (11) is movably installed on the branch pipe (9). One-way valves (12) are fixedly connected to the two connectors at one end of the branch pipe (9).

5. A pH meter with a cleaning system according to claim 4, characterized in that: The lower end of the push rod (15) is fixedly connected to a connecting plate (16), and the piston head (17) is fixedly connected to the bottom surface of the connecting plate (16). The connecting plate (16) and the piston head (17) are movably installed in the No. 1 water tank (13) or the No. 2 water tank (14).

6. A pH meter with a cleaning system according to claim 5, characterized in that: Support columns (18) are fixedly connected to the lower positions of the No. 1 water tank (13) and the No. 2 water tank (14), and the No. 1 water tank (13) and the No. 2 water tank (14) are fixedly connected to the cleaning rack (2) through the support columns (18).

7. A pH meter with a cleaning system according to claim 6, characterized in that: A fan (20) is fixedly connected inside the air collection box (19), and one end of the exhaust pipe (21) extends into the transparent storage tube (3) and is located below the probe of the pen-type pH meter (1).

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