Water quality pH meter for water quality detection

Abstract

The utility model discloses a water quality pH meter for water quality detection, which belongs to the technical field of water quality pH meters and comprises a test box, a telescopic rod, a detection cylinder and a liquid storage box. The telescopic rod is fixedly embedded in the top of the test box, the telescopic rod is of a freely telescopic structure, and a rotating frame is rotatably mounted at the top end of the telescopic rod; and four groups of mounting bases are clamped and pressed at the bottom in the test box. By designing a combined pH meter composed of a test box, a liquid storage box, a rotating frame, a detection module jack, a test machine body and the like, water to be tested can be respectively fed into four groups of storage cavities, the pH value of the water is tested by utilizing independent test electrodes in the cavities, and after detection is finished, the water is quickly cleaned and discharged through a cleaning structure, so that the detection efficiency is greatly improved. The use of other detection electrodes and analysis units is not influenced, and the water quality detection electrode can be quickly recycled and continuously used after being cleaned, so that the water quality detection efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality pH meters, in particular to a water quality pH meter for water quality detection. Background Art

[0002] pH meter is a commonly used instrument, which is mainly used to accurately measure the pH value of liquid medium. It can also measure the MV value of ion electrode potential when equipped with corresponding ion selective electrode. Therefore, pH meter is widely used in industry, agriculture, scientific research, environmental protection and other fields.

[0003] Existing water quality pH meters require a lot of preparation work before use, such as calibration, cleaning, and temperature measurement. Usually, a type of water quality can only be tested once. If the water quality in different areas is changed for accurate testing, the electrode needs to be cleaned again to test other water qualities. This will cause frequent shutdowns and calibrations of the equipment, greatly delaying the detection work. If the number of pH meters is increased, the cost of use will increase, so this problem needs to be solved. Utility Model Content

[0004] The main purpose of the utility model is to provide a water quality pH meter for water quality detection.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] A water quality pH meter for water quality testing comprises a test box, a telescopic rod, a detection tube and a liquid storage box; the telescopic rod is embedded and fixed on the top of the test box, the telescopic rod is a freely retractable structure, and a rotating frame is rotatably mounted on the top of the telescopic rod; four groups of mounting bases are clamped on the bottom of the test box, and the detection tube is screwed on the mounting base; a sewage pipe runs through the inner wall of the mounting base, and the bottom of the sewage pipe is connected to a sewage tank in the liquid storage box.

[0007] Preferably, the bottom bearing of the rotating frame is connected to a testing machine body, a current amplifier is arranged in the testing machine body, and a socket is integrally installed at the bottom of the testing machine body.

[0008] Preferably, a detection module is sealed and embedded on the top cover of the test box, a glass motor and a reference motor are fixed to the bottom of the detection module, an electronic module connecting the glass motor and the reference motor is inside the detection module, and a detection module jack is formed on the top of the detection module.

[0009] Preferably, the detection module jack is hot-pluggably connected to the socket, a retractable wire is electrically connected to the top of the test machine body, one end of the bottom of the retractable wire is connected to a power module, and a control panel is provided on the power module.

[0010] Preferably, cleaning nozzles are fixed through both sides of the bottom of the mounting base, a cleaning pipe is plugged into the bottom of the cleaning nozzle, and the cleaning pipe is inserted into the distilled water tank inside the liquid storage box.

[0011] Preferably, a cleaning pump is connected to the bottom of the cleaning pipe, a sewage discharge cover is buckled on the outer wall of the sewage tank, and a second water injection hole is opened on the outer wall of the distilled water tank.

[0012] Preferably, a first water injection hole is opened on the top of the test box, the first water injection hole is communicated with the inside of the detection cylinder, and a valve assembly is nested on the sewage pipe.

[0013] Beneficial technical effects of the utility model:

[0014] By designing a combined pH meter consisting of a test box, a liquid storage box, a rotating rack, a detection module jack and a test machine body, the water quality to be tested can be put into four groups of storage chambers respectively, and the pH value of the water quality can be tested using independent test electrodes in the chambers. After the test, the cleaning structure can be used to quickly clean and drain the waste without affecting the use of other detection electrodes and analysis units. After cleaning, it can be quickly recycled and used again, which greatly improves the efficiency of water quality detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a preferred embodiment of a water quality pH meter for water quality detection according to the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of a liquid storage box in a preferred embodiment of a water quality pH meter for water quality detection according to the utility model;

[0017] Figure 3 It is a top view of an opened test box in a preferred embodiment of a water quality pH meter for water quality testing according to the utility model.

[0018] The following are the descriptions of the reference numerals:

[0019] 1. Test box; 2. Liquid storage box; 3. Telescopic rod; 4. Telescopic line; 5. Test machine body; 6. Socket; 7. Detection module; 8. Detection module jack; 9. Valve assembly; 10. Sewage tank; 11. Distilled water tank; 12. Drain pipe; 13. Cleaning pipe; 14. Rotating frame; 15. Detection cylinder; 16. Mounting base; 17. Glass electrode; 18. Reference electrode; 19. Cleaning nozzle; 20. First water injection hole; 21. Second water injection hole; 22. Drain cover; 23. Cleaning pump; 24. Power module. DETAILED DESCRIPTION

[0020] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0021] like Figure 1-Figure 3 As shown, a water quality pH meter for water quality testing provided in this embodiment includes a test box 1, a telescopic rod 3, a detection tube 15 and a liquid storage box 2; a telescopic rod 3 is embedded and fixed on the top of the test box 1, and the telescopic rod 3 is a freely retractable structure, and a rotating frame 14 is rotatably installed on the top of the telescopic rod 3; four groups of mounting bases 16 are clamped on the bottom of the test box 1, and the detection tube 15 is screwed on the mounting base 16; a sewage pipe 12 runs through the inner wall of the mounting base 16, and the bottom of the sewage pipe 12 is connected to the sewage tank 10 in the liquid storage box 2, and the rotating frame 14 can rotate freely on the top of the telescopic rod 3 to realize the rotation of the test unit, and the test electrodes are placed directly above different detection tubes 15 for testing, eliminating the use of independent pH test units.

[0022] The bottom bearing of the rotating frame 14 is connected to the testing machine body 5, and a current amplifier is arranged inside the testing machine body 5. A socket 6 is integrally installed at the bottom of the testing machine body 5. The current amplifier inside the testing machine body 5 is used to amplify the current signals collected by the reference electrode 18 and the glass motor.

[0023] A detection module 7 is sealed and embedded on the top cover of the test box 1. A glass motor and a reference motor are fixed at the bottom of the detection module 7. An electronic module connecting the glass motor and the reference motor is inside the detection module 7. A detection module jack 8 is formed on the top of the detection module 7.

[0024] The detection module jack 8 is hot-pluggably connected to the socket 6. The top of the test machine body 5 is electrically connected to the telescopic wire 4. One end of the bottom of the telescopic wire 4 is connected to the power module 24. A control panel is provided on the power module 24. The control panel is used to start the cleaning pump 23 to inject high-pressure distilled water into the cleaning nozzle 19.

[0025] Cleaning nozzles 19 are fixed through both sides of the bottom of the mounting base 16 , and a cleaning pipe 13 is plugged into the bottom of the cleaning nozzle 19 . The cleaning pipe 13 is inserted into the distilled water tank 11 inside the liquid storage box 2 .

[0026] A cleaning pump 23 is connected to the bottom of the cleaning pipe 13 , a sewage cover 22 is buckled on the outer wall of the sewage tank 10 , and a second water injection hole 21 is opened on the outer wall of the distilled water tank 11 .

[0027] A first water injection hole 20 is provided on the top of the test box 1 , and the first water injection hole 20 is communicated with the inside of the detection cylinder 15 . A valve assembly 9 is nested on the sewage pipe 12 , and the valve assembly 9 is a hand valve to control the discharge of waste water in the detection cylinder 15 .

[0028] Working principle of this device:

[0029] Step 1: When the device is in use, the power module 24 is connected to the external power supply, and the buffer solution is added from the first water injection hole 20 to immerse the four groups of glass electrodes 17 and the reference electrode 18. The rotating frame 14 drives the test machine body 5 to move to the top of the detection module 7, the telescopic rod 3 moves down, the socket 6 is connected to the detection module jack 8, and the glass electrode 17 and the reference electrode 18 are calibrated. After the calibration is completed, the valve is opened to discharge the buffer solution from the sewage pipe 12 to the sewage tank 10 at the bottom;

[0030] Step 2: The water to be tested is added into the four sets of test tubes 15 from the first water injection hole 20, and the glass electrode 17 and the reference electrode 18 are immersed again, and then the device is rotated once to detect the pH value of the water quality, and it is displayed on the display screen of the test machine body 5;

[0031] Step 3: After the water quality has been tested, open the valve to discharge the sewage, and start the cleaning pump 23 to press the cleaning distilled water in the distilled water tank 11 into the cleaning pipe 13, and then into the cleaning nozzle 19. The outer periphery of the cleaning nozzle 19 is surrounded by spray holes, and the water column is sprayed to brush the outer wall of the electrode and the inner wall of the detection tube 15. The electrodes and tubes after brushing can be kept and recycled, which greatly saves the preparation time and improves the efficiency of different water quality detection.

[0032] The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A water quality pH meter for water quality testing, characterized in that: It comprises a test box (1), a telescopic rod (3), a detection tube (15) and a liquid storage box (2); The telescopic rod (3) is embedded and fixed in the top of the test box (1); the telescopic rod (3) is a freely telescopic structure; a rotating frame (14) is rotatably mounted on the top of the telescopic rod (3); Four sets of mounting bases (16) are clamped on the bottom of the test box (1), and the detection cylinder (15) is screwed on the mounting base (16); A sewage pipe (12) passes through the inner wall of the mounting base (16), and the bottom of the sewage pipe (12) is connected to the sewage tank (10) in the liquid storage tank (2).

2. A water quality pH meter for water quality testing according to claim 1, characterized in that: The bottom bearing of the rotating frame (14) is connected to a testing machine body (5), a current amplifier is provided inside the testing machine body (5), and a socket (6) is integrally installed at the bottom of the testing machine body (5).

3. A water quality pH meter for water quality testing according to claim 2, characterized in that: A detection module (7) is sealed and embedded in the top cover of the test box (1); a glass motor and a reference motor are fixed to the bottom of the detection module (7); an electronic module for connecting the glass motor and the reference motor is located inside the detection module (7); and a detection module socket (8) is formed on the top of the detection module (7).

4. A water quality pH meter for water quality testing according to claim 3, characterized in that: The detection module jack (8) is hot-pluggably connected to the socket (6); the top of the test machine body (5) is electrically connected to a retractable wire (4); one end of the bottom of the retractable wire (4) is connected to a power module (24); and a control panel is provided on the power module (24).

5. A water quality pH meter for water quality testing according to claim 4, characterized in that: Cleaning nozzles (19) are fixedly passed through the two sides of the bottom of the mounting base (16), a cleaning pipe (13) is plugged into the bottom of the cleaning nozzle (19), and the cleaning pipe (13) is inserted into the distilled water tank (11) inside the liquid storage box (2).

6. A water quality pH meter for water quality testing according to claim 5, characterized in that: A cleaning pump (23) is connected to the bottom of the cleaning pipe (13), a sewage discharge cover (22) is buckled on the outer wall of the sewage tank (10), and a second water injection hole (21) is opened on the outer wall of the distilled water tank (11).

7. A water quality pH meter for water quality testing according to claim 6, characterized in that: The top of the test box (1) is provided with a first water injection hole (20), the first water injection hole (20) is communicated with the interior of the detection cylinder (15), and a valve assembly (9) is nested on the sewage pipe (12).

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