Portable dissolved oxygen tester

Abstract

The utility model relates to the technical field of portable testers, and discloses a portable dissolved oxygen tester which comprises a base, a first groove is formed in the right side of the top of the base, a display screen is connected to the first groove in a sliding mode, a circular groove is formed in the left side of the top of the base, and a rotating plate is rotationally connected to the interior of the circular groove. A second groove is formed in the top of the rotating plate, the front side and the rear side of the top of the second groove are fixedly connected with the same transverse plate, a third groove is formed in the rear side of the bottom of the base, a probe is arranged in the third groove, and the top of the display screen communicates with a connecting line. And the other end of the connecting line penetrates through the circular groove and the third groove and is communicated with the right end of the probe. According to the dissolved oxygen tester, the transverse plate is rotated to drive the rotating plate to rotate, recycle and release the connecting wire, so that the connecting wire is neatly stored, the connecting wire is not easy to damage, and the service life of the dissolved oxygen tester is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of portable measuring instruments, in particular to a portable dissolved oxygen measuring instrument. Background Art

[0002] Oxygen exists in the form of gas in the air, but when it comes into contact with water, some oxygen molecules enter the water and exist in a dissolved state. The dissolved oxygen content is one of the important indicators to measure the self-purification ability of water and the quality of water.

[0003] Accurately measuring the dissolved oxygen content in water is of great significance in many fields, such as aquaculture, environmental protection, and scientific research experiments. Traditional dissolved oxygen measurement methods are often complicated to operate and the equipment is bulky, making it inconvenient to perform rapid detection on site.

[0004] Most portable dissolved oxygen meters currently available on the market have connecting cables that are simply tied with ropes and cannot be neatly stored. The connecting cables and probes are inconvenient to carry and store, and are easily damaged, thereby reducing the service life of the dissolved oxygen meter and failing to meet user needs. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a portable dissolved oxygen meter, which aims to improve the problem that the connecting cables of most portable dissolved oxygen meters in the existing technology are simply tied with ropes and cannot be neatly stored. The connecting cables and probes are inconvenient to carry and store, and are easily damaged, thereby reducing the service life of the dissolved oxygen meter and failing to meet the needs of users.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a portable dissolved oxygen meter, comprising a base, a first groove is provided on the right side of the top of the base, and a display screen is slidably connected to the first groove, a circular groove is provided on the left side of the top of the base, a rotating plate is rotatably connected inside the circular groove, a second groove is provided on the top of the rotating plate, and the front and rear sides of the top of the second groove are fixedly connected to the same horizontal plate, a third groove is provided on the rear side of the bottom of the base, a probe is provided inside the third groove, a connecting wire is connected to the top of the display screen, the other end of the connecting wire passes through the circular groove and the third groove and is connected to the right end of the probe, a rotating shaft is rotatably connected to the rear side of the top of the base, and a shell is fixedly connected to one side of the rotating shaft, and a protective mechanism is provided at the bottom of the base, which is used to protect the probe from falling.

[0007] As a further description of the above technical solution:

[0008] The protective mechanism includes a first hollow plate, which is fixedly connected to the rear side of the bottom of the base. L-shaped plates are fixedly connected to the left and right sides of the bottom of the first hollow plate. The bottoms of the two L-shaped plates are rotatably connected to fixing bolts. The bottom of the base is fixedly connected to a second hollow plate. A movable plate is slidably connected to the inside of the second hollow plate. The bottom front side of the movable plate is fixedly connected to a limiting rod.

[0009] As a further description of the above technical solution:

[0010] The left and right ends of the front side of the shell are fixedly connected to the limit plates, and the left and right ends of the front side of the base are fixedly connected to the fixing plates. One side of the two fixing plates is rotatably connected to the limit bolts, and one end of the two limit bolts passes through the fixing plate and is threadedly connected to the limit plate.

[0011] As a further description of the above technical solution:

[0012] A fourth groove is provided on the front side of the base, and a handle is rotatably connected inside the fourth groove.

[0013] As a further description of the above technical solution:

[0014] A sealing groove is provided on the top of the base, and a sealing strip is fixedly connected to the bottom of the shell.

[0015] As a further description of the above technical solution:

[0016] A fifth groove is formed on the top of the shell, and a transparent cover is fixedly connected to the interior of the fifth groove.

[0017] As a further description of the above technical solution:

[0018] The left and right ends of the rear sides of the base and the shell are fixedly connected with supporting feet, and the rear sides of the plurality of supporting feet are fixedly connected with rubber pads.

[0019] As a further description of the above technical solution:

[0020] A fixing groove is provided on the front side of the top of the base, and a temperature sensor is fixedly connected inside the fixing groove.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the rotating plate is driven to rotate by rotating the horizontal plate to recycle and release the connecting wire, and the probe is stored in the third groove, so as to achieve neat storage of the connecting wire, convenient carrying of the probe, and not easy to cause damage, thereby increasing the service life of the dissolved oxygen meter and meeting the needs of users.

[0023] 2. In the present invention, the movable plate is limited by a limiting rod and fixed by a fixing bolt, thereby protecting the probe from easily falling from the third groove, reducing physical damage and daily wear of the probe, and thus extending its normal working time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a portable dissolved oxygen meter proposed in the present invention;

[0025] Figure 2 This is a right side view of a portable dissolved oxygen meter proposed in the present utility model;

[0026] Figure 3 This is a bottom view of a portable dissolved oxygen meter proposed by the utility model.

[0027] Legend:

[0028] 1. Base; 2. Protection mechanism; 201. First hollow plate; 202. L-shaped plate; 203. Fixing bolt; 204. Second hollow plate; 205. Movable plate; 206. Limiting rod; 3. First groove; 4. Display screen; 5. Circular groove; 6. Rotating plate; 7. Second groove; 8. Horizontal plate; 9. Connecting wire; 10. Third groove; 11. Probe; 12. Rotating shaft; 13. Housing; 14. Limiting plate; 15. Fixing plate; 16. Limiting bolt; 17. Fourth groove; 18. Handle; 19. Sealing groove; 20. Sealing strip; 21. Fifth groove; 22. Transparent cover; 23. Support foot; 24. Rubber pad; 25. Fixing groove; 26. Temperature sensor. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Reference Figure 1 、 Figure 2 and Figure 3, the utility model provides an embodiment: a portable dissolved oxygen meter, including a base 1, a first groove 3 is opened on the right side of the top of the base 1, the first groove 3 is slidably connected to the display screen 4, a circular groove 5 is opened on the left side of the top of the base 1, and a rotating plate 6 is rotatably connected inside the circular groove 5, and a second groove 7 is opened on the top of the rotating plate 6, and the front and rear sides of the top of the second groove 7 are fixedly connected to the same horizontal plate 8, a third groove 10 is opened on the rear side of the bottom of the base 1, and a probe 11 is arranged inside the third groove 10, and the top of the display screen 4 is connected with a connecting line 9, and the other end of the connecting line 9 passes through the circular groove 5 and the third groove 10 and is connected to the right end of the probe 11, the top rear side of the base 1 is rotatably connected to a rotating shaft 12, and one side of the rotating shaft 12 is fixedly connected to a shell 13, and a protective mechanism 2 is provided at the bottom of the base 1, which is used to protect the probe 11 from falling;

[0031] Specifically, the limit bolt 16 is rotated to cancel the limit on the limit plate 14, the housing 13 is opened and the shaft 12 rotates accordingly. At this time, the probe 11 can be pulled according to actual needs, and the length of the connecting line 9 can be appropriately extended by rotating the horizontal plate 8. When recovery is required, the horizontal plate 8 should be rotated in the opposite direction, and the rotating plate 6 is rotated accordingly, thereby pulling the connecting line 9 for recovery, thereby achieving neat storage of the connecting line 9, convenient carrying of the probe 11, and making it less likely to be damaged, thereby increasing the service life of the dissolved oxygen meter.

[0032] Reference Figure 3 The protection mechanism 2 includes a first hollow plate 201, which is fixedly connected to the rear side of the bottom of the base 1. L-shaped plates 202 are fixedly connected to the left and right sides of the bottom of the first hollow plate 201. The bottoms of the two L-shaped plates 202 are rotatably connected to fixing bolts 203. The bottom of the base 1 is fixedly connected to a second hollow plate 204. A movable plate 205 is slidably connected to the interior of the second hollow plate 204. The bottom front side of the movable plate 205 is fixedly connected to a limit rod 206.

[0033] Specifically, the movable plate 205 is accurately moved to the inside of the first hollow plate 201 to ensure that the limiting rod 206 effectively limits the movable plate 205. The movable plate 205 is firmly fixed by rotating the fixing bolt 203, thereby achieving the purpose of limiting the probe 11, protecting the probe 11 from easily falling from the third groove 10, reducing physical damage and daily wear to the probe 11, and thus extending its normal working time.

[0034] Reference Figure 1 and Figure 2The left and right ends of the front side of the shell 13 are fixedly connected to the limit plates 14, and the left and right ends of the front side of the base 1 are fixedly connected to the fixing plates 15. One side of the two fixing plates 15 is rotatably connected to the limit bolts 16. One end of the two limit bolts 16 passes through the fixing plates 15 and is threadedly connected to the limit plates 14. A fourth groove 17 is provided on the front side of the base 1. A handle 18 is rotatably connected to the inside of the fourth groove 17. A sealing groove 19 is provided on the top of the base 1, and a sealing strip 20 is fixedly connected to the bottom of the shell 13;

[0035] Specifically, the limiting plate 14, the fixing plate 15 and the limiting bolt 16 are used to fix the housing 13 and the base 1, the handle 18 makes it convenient for the user to carry the device, and the sealing groove 19 and the sealing strip 20 can make the housing 13 and the base 1 more completely sealed.

[0036] Reference Figure 1 and Figure 2 A fifth groove 21 is formed on the top of the housing 13, and a transparent cover 22 is fixedly connected to the inside of the fifth groove 21. Support legs 23 are fixedly connected to the left and right ends of the rear side of the base 1 and the housing 13. The rear sides of the multiple support legs 23 are fixedly connected to rubber pads 24. A fixing groove 25 is formed on the front side of the top of the base 1, and a temperature sensor 26 is fixedly connected to the inside of the fixing groove 25.

[0037] Specifically, the transparent cover 22 facilitates observation of the interior of the housing 13 , the support feet 23 and the rubber pads 24 are more stable when placed on the ground, and the temperature sensor 26 measures the temperature of the solution to perform temperature compensation on the dissolved oxygen measurement result.

[0038] Working principle: When in use, first turn the limit bolt 16 to cancel the limit on the limit plate 14. At this time, open the shell 13 and rotate the shaft 12. At this time, you can pull the probe 11 as needed, and at the same time rotate the horizontal plate 8 to stretch the connecting line 9. When retracting, turn the horizontal plate 8 in the opposite direction. At this time, the rotating plate 6 rotates and pulls the connecting line 9 to retract;

[0039] When the probe 11 is not in use, the movable plate 205 is moved into the first hollow plate 201 so that the limiting rod 206 limits the movable plate 205 , and the fixing bolt 203 is rotated to fix the movable plate 205 and limit the probe 11 .

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A portable dissolved oxygen meter, comprising a base (1), characterized in that: The top right side of the base (1) is provided with a first groove (3), and the first groove (3) is slidably connected to a display screen (4). The top left side of the base (1) is provided with a circular groove (5), and a rotating plate (6) is rotatably connected inside the circular groove (5). The top of the rotating plate (6) is provided with a second groove (7), and the front and rear sides of the top of the second groove (7) are fixedly connected to the same horizontal plate (8). The bottom rear side of the base (1) is provided with a third groove (10), and the third groove (10) is provided with a plurality of grooves. 0) is provided with a probe (11) inside, the top of the display screen (4) is connected with a connecting line (9), the other end of the connecting line (9) passes through the circular groove (5) and the third groove (10) and is connected to the right end of the probe (11), the top rear side of the base (1) is rotatably connected with a rotating shaft (12), one side of the rotating shaft (12) is fixedly connected with a housing (13), and the bottom of the base (1) is provided with a protective mechanism (2), and the protective mechanism (2) is used to protect the probe (11) from falling.

2. A portable dissolved oxygen meter according to claim 1, characterized in that: The protection mechanism (2) comprises a first hollow plate (201), the first hollow plate (201) being fixedly connected to the rear side of the bottom of the base (1), the left and right sides of the bottom of the first hollow plate (201) being fixedly connected to L-shaped plates (202), the bottoms of the two L-shaped plates (202) being rotatably connected to fixing bolts (203), the bottom of the base (1) being fixedly connected to a second hollow plate (204), the interior of the second hollow plate (204) being slidably connected to a movable plate (205), and the bottom front side of the movable plate (205) being fixedly connected to a limiting rod (206).

3. A portable dissolved oxygen meter according to claim 1, characterized in that: The left and right ends of the front side of the housing (13) are fixedly connected to the limiting plates (14), and the left and right ends of the front side of the base (1) are fixedly connected to the fixing plates (15). One side of the two fixing plates (15) is rotatably connected to the limiting bolts (16), and one end of the two limiting bolts (16) passes through the fixing plate (15) and is threadedly connected to the limiting plate (14).

4. A portable dissolved oxygen meter according to claim 1, characterized in that: A fourth groove (17) is provided on the front side of the base (1), and a handle (18) is rotatably connected inside the fourth groove (17).

5. A portable dissolved oxygen meter according to claim 1, characterized in that: A sealing groove (19) is provided on the top of the base (1), and a sealing strip (20) is fixedly connected to the bottom of the housing (13).

6. A portable dissolved oxygen meter according to claim 1, characterized in that: A fifth groove (21) is provided on the top of the housing (13), and a transparent cover (22) is fixedly connected to the interior of the fifth groove (21).

7. A portable dissolved oxygen meter according to claim 1, characterized in that: The base (1) and the left and right ends of the rear sides of the housing (13) are fixedly connected with support legs (23), and the rear sides of the plurality of support legs (23) are fixedly connected with rubber pads (24).

8. A portable dissolved oxygen meter according to claim 1, characterized in that: A fixing groove (25) is provided on the front side of the top of the base (1), and a temperature sensor (26) is fixedly connected inside the fixing groove (25).

Images