CN-224202855-U - Dissolved oxygen test auxiliary device

Abstract

The utility model belongs to the technical field of liquid sampling and detecting devices, and relates to a dissolved oxygen testing auxiliary device which comprises a dissolved oxygen testing probe, a collecting box and an agitating device, wherein the collecting box cavity is divided into a slow flow area and a detecting area through a filter plate, a capping is detachably arranged at the top of the collecting box, the dissolved oxygen testing probe penetrates through the capping and is positioned in the detecting area, the agitating device is positioned in the detecting area, a second water drain port is formed in the detecting area, and a water inlet and a first water drain port are formed in the slow flow area. According to the utility model, the flow speed of water flow is buffered through the slow flow area, so that the water flow is more stable, the generation of bubbles is reduced, the dissolved oxygen content in the water is more accurately detected by the dissolved oxygen test probe, the water sample in the detection area is more uniform through stirring, the detection error caused by the non-uniformity of the water sample is avoided, the accuracy of the dissolved oxygen test is further improved, and the first water drain port and the second water drain port are respectively used for discharging the water samples in the slow flow area and the detection area.

Inventors

• LU CANG
• LI KAI
• YANG JIAJIE

Assignees

• 济南轩盛环保科技有限公司

Dates

Publication Date

20260505

Application Date

20250523

Claims (6)

1. 1. The dissolved oxygen test auxiliary device is characterized by comprising a dissolved oxygen test probe (1), a collection box (2) and an agitating device (3), wherein the cavity of the collection box (2) is divided into a slow flow area (21) and a detection area (22) through a filter plate (4), a capping (8) is detachably arranged at the top of the collection box (2), the dissolved oxygen test probe (1) penetrates through the capping (8) and is positioned in the detection area (22), the agitating device (3) is positioned in the detection area (22), a second water outlet (7) is formed in the detection area (22), and a water inlet (5) and a first water outlet (6) are formed in the slow flow area (21).
2. 2. The dissolved oxygen test auxiliary device according to claim 1, wherein a slow flow slope (211) is arranged in the slow flow area (21), the top surface of the slow flow slope (211) is in threaded connection with one end of a filter plate (4), the other end of the filter plate (4) is in butt joint with a collecting box (2), one end, close to a water inlet (5), of the slow flow slope (211) is provided with a first water draining slope, and the first water draining slope is communicated with a first water draining port (6).
3. 3. The dissolved oxygen test auxiliary device according to claim 2, wherein the water inlet (5) is externally connected with a pump body, a liquid suction hose (51) is arranged on the pump body, a water suction filter head (53) is arranged at a liquid suction end of the liquid suction hose (51), and a balancing weight (52) is arranged on the water suction filter head (53).
4. 4. The dissolved oxygen test auxiliary device according to claim 1, wherein a moving slope (221) is arranged in the detection area (22), the moving slope (221) is back to the flow slowing area (21), one end, close to the second water drain port (7), of the moving slope (221) is provided with a second water drain slope, the second water drain slope is communicated with the second water drain port (7), and the other end of the moving slope (221) is clamped with the filter plate (4).
5. 5. The dissolved oxygen test auxiliary device according to claim 4, wherein the stirring device (3) comprises a first stirring fan (31) and a second stirring fan (32), the first stirring fan (31) is arranged on the capping (8), the stirring end of the first stirring fan (31) is positioned above the migration slope (221), and the second stirring fan (32) is positioned above the filter plate (4).
6. 6. The dissolved oxygen test auxiliary device according to claim 1, wherein a handle is arranged on the capping (8), a probe buckle (9) is clamped on the handle, the dissolved oxygen test probe (1) is fixedly arranged on the capping (8) through the probe buckle (9), and an observation hole is formed in the capping (8).

Description

Dissolved oxygen test auxiliary device Technical Field The utility model relates to the technical field of liquid sampling and detecting devices, in particular to a dissolved oxygen test auxiliary device. Background The dissolved oxygen tester is a sewage treatment detection device, the principle of measurement by the dissolved oxygen analyzer is that the solubility of oxygen in water depends on temperature, pressure and salt dissolved in water, the dissolved oxygen tester is small-sized and handheld and also has a large table type, different dissolved oxygen testers can be used in different environments, and a membrane cap at the lower end of an electrode head extends into a beaker and contacts a sewage sample and waits for a detection result. But before oxygen content detects, need gather the water source, but current collection auxiliary device is got water and is mingled with debris easily to because intake water sample velocity of flow is too fast unstable, the great bubble that mingles with in the rivers most likely appears, influences dissolved oxygen tester probe and detects. Disclosure of utility model In order to solve the inconvenience of the existing collection auxiliary device in sampling, the utility model provides a dissolved oxygen test auxiliary device. The dissolved oxygen test auxiliary device comprises a dissolved oxygen test probe, a collection box and an agitating device, wherein the collection box cavity is divided into a slow flow area and a detection area through a filter plate, a capping is detachably arranged at the top of the collection box, the dissolved oxygen test probe penetrates through the capping and is positioned in the detection area, the agitating device is positioned in the detection area, a second water outlet is formed in the detection area, and a water inlet and a first water outlet are formed in the slow flow area. Through above technical scheme, make rivers velocity of flow obtain buffering through the slow flow district, make rivers more steady, reduce the production of bubble, be favorable to dissolving oxygen test probe more accurately to detect the dissolved oxygen content in the aquatic, make the water sample in the detection zone more even through stirring, avoided the detection error that leads to because of the water sample is inhomogeneous, further improve the accuracy of dissolving oxygen test, first water discharge port and second water discharge port are used for discharging the water sample in slow flow district and the detection zone respectively. Preferably, a slow flow slope is arranged in the slow flow area, the top surface of the slow flow slope is in threaded connection with one end of the filter plate, the other end of the filter plate is in butt joint with the collecting box, a first water draining slope is arranged at one end, close to the water inlet, of the slow flow slope, and the first water draining slope is communicated with a first water draining port. Preferably, the water inlet is externally connected with a pump body, a liquid suction hose is arranged on the pump body, a liquid suction filter head is arranged at a liquid suction end of the liquid suction hose, and a balancing weight is arranged on the liquid suction filter head. According to the technical scheme, the slow flow slope can guide and buffer water flow entering from the water inlet, so that the water flow can flow to the filter plate more stably, bubbles and turbulence generated by water flow impact are reduced, the accuracy of dissolved oxygen testing is improved, sample liquid slowly overflows the filter plate, bubble impurities are filtered, the water pumping filter head can effectively filter out larger impurities in a water sample, the impurities are prevented from entering the collection box to influence detection results, the pump body and the liquid pumping hose are also protected from being blocked and damaged by the impurities, the water pumping filter head is kept at a stable position in the water through the balancing weight, and the water pumping filter head is prevented from being shifted back and forth or floating due to water flow impact or buoyancy. Preferably, a moving slope is arranged in the detection area, the moving slope leans against the slow flow area, a second water draining slope is arranged at one end of the moving slope, which is close to the second water draining port, the second water draining slope is communicated with the second water draining port, and the other end of the moving slope is clamped with the filter plate. Preferably, the stirring device comprises a first stirring fan and a second stirring fan, wherein the first stirring fan is arranged on the sealing top, the stirring end of the first stirring fan is positioned above the migration slope, and the second stirring fan is positioned above the filter plate. Through above technical scheme, the water sample filtered from the filter plate is guided by the back of the moving slope a