Water quality detection device

By introducing an independent detection chamber and probe fixing structure into the water quality testing device, the problems of interference with the detection results by the electrolysis device and inconvenient installation are solved, achieving high-precision and low-cost water quality testing.

CN223897435UActive Publication Date: 2026-02-10GUANGDONG LASWIM WATER ENVIRONMENT EQUIP CO LTD
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Patent Information

Application Number
CN202520377777.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-02-10
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

The test results of existing swimming pool water quality testing devices are easily affected by the electrolysis device, and the unreasonable structural design makes installation and replacement inconvenient and results in low testing accuracy.

Method used

A water quality testing device was designed, comprising an independent testing chamber and a probe. The probe is fixed to the housing by a sealing sleeve. The water flow in the testing chamber is pressurized to achieve slow flow, thereby enhancing the testing accuracy. The installation is simplified by a fixing ring and a snap-fit ​​structure.

Benefits of technology

It improves the accuracy and ease of installation of water quality testing, has a simple structure and low cost, and provides more accurate test results.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223897435U_ABST
Patent Text Reader

Abstract

The utility model discloses a water quality detection device which comprises a shell, a water flow channel is arranged in the shell, a detection cavity is arranged in the water flow channel, one side of the detection cavity is provided with a detection cavity water inlet, and the other side of the detection cavity is provided with a detection cavity water outlet; water in the water flow channel can enter the detection cavity from the detection cavity water inlet and then flow out from the detection cavity water outlet. The water quality detection device further comprises a first probe and a second probe which extend into the detection cavity. When the device works, after water enters the water flow channel from the water inlet, due to the fact that the detection cavity is formed in the middle of the water flow channel, the water can only pass through the fixed cylinder channels on the two sides of the detection cavity, the water flowing through the fixed cylinder channels can generate a pressurization effect, and a part of the water enters the detection cavity from the water inlet of the detection cavity; slow flow is formed in the detection cavity, the first probe and the second probe in the detection cavity can make full contact with water flow, the detection precision is further improved, the structure is simple, and the cost is low.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a water quality detection device.

BACKGROUND

[0002] The existing sodium hypochlorite generator specially used for disinfecting swimming pool water mainly comprises a controller, an electrolytic device and a detection device. The detection device has the following defects: 1. The detection device is generally arranged in the same area as the electrolytic device, and the electrolytic device will affect the detection result of the detection device; 2. The detection device has no independent detection area, and the water flow rate of the water to be detected is too large, which will affect the detection result of the detection device; and 3. The detection device has an unreasonable structure design, and is inconvenient to install and replace.

SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art, providing a water quality detection device which is convenient to install and replace, can further improve the precision of water quality detection, has more accurate detection result of water quality, has a simple structure and low cost.

[0004] The utility model aims at overcoming the defects of the prior art, providing a water quality detection device which is convenient to install and replace, can further improve the precision of water quality detection, has more accurate detection result of water quality, has a simple structure and low cost.

[0005] A water quality detection device comprises a shell, a water flow channel is arranged in the shell, a detection cavity is arranged in the water flow channel, a detection cavity water inlet is arranged on one side of the detection cavity, and a detection cavity water outlet is arranged on the other side of the detection cavity; water in the water flow channel can enter the detection cavity from the detection cavity water inlet and flow out from the detection cavity water outlet; the water quality detection device further comprises a first probe and a second probe which are inserted into the detection cavity.

[0006] The water quality detection device comprises a shell, a water flow channel is arranged in the shell, a detection cavity is arranged in the water flow channel, a detection cavity water inlet is arranged on one side of the detection cavity, and a detection cavity water outlet is arranged on the other side of the detection cavity; water in the water flow channel can enter the detection cavity from the detection cavity water inlet and flow out from the detection cavity water outlet; the water quality detection device further comprises a first probe and a second probe which are inserted into the detection cavity.

[0007] The water quality detection device comprises a shell, a water flow channel is arranged in the shell, a detection cavity is arranged in the water flow channel, a detection cavity water inlet is arranged on one side of the detection cavity, and a detection cavity water outlet is arranged on the other side of the detection cavity; water in the water flow channel can enter the detection cavity from the detection cavity water inlet and flow out from the detection cavity water outlet; the water quality detection device further comprises a first probe and a second probe which are inserted into the detection cavity.

[0008] The water quality detection device comprises a shell, a water flow channel is arranged in the shell, a detection cavity is arranged in the water flow channel, a detection cavity water inlet is arranged on one side of the detection cavity, and a detection cavity water outlet is arranged on the other side of the detection cavity; water in the water flow channel can enter the detection cavity from the detection cavity water inlet and flow out from the detection cavity water outlet; the water quality detection device further comprises a first probe and a second probe which are inserted into the detection cavity.

[0009] The water quality detection device has the advantages that the two probe fixing bases are arranged on the shell, the outer thread is arranged on each probe fixing base, the tapered hole is arranged in each probe fixing base, the sealing sleeve is sleeved on the first probe and the second probe, and the nut is arranged on the first probe and the second probe.

[0010] The water quality detection device has the advantages that the water inlet of the detection cavity is arranged at the lower part of the front of the circular tube fixing cylinder, and the water outlet of the detection cavity is arranged at the upper part of the rear of the circular tube fixing cylinder.

[0011] The water quality detection device has the advantages that the inlet of the water flow channel is provided with the water flow switch and the temperature detection rod.

[0012] The water quality detection device has the advantages that the grounding rod is arranged downstream of the detection cavity in the water flow channel.

[0013] The water quality detection device has the advantages that the acid adding device is arranged downstream of the detection cavity in the water flow channel.

[0014] The water quality detection device has the advantages that the alkali adding device is arranged downstream of the detection cavity in the water flow channel.

[0015] The water quality detection device has the advantages that the alkali adding device is arranged downstream of the detection cavity in the water flow channel.

[0016] When the water quality detection device works, the water enters the water flow channel from the water inlet and then flows out from the water outlet, at the same time, a part of the water enters the detection cavity from the water inlet of the detection cavity and then flows out from the water outlet of the detection cavity, and the first probe and the second probe inserted into the detection cavity can detect the water in the detection cavity.

[0017] When the water quality detection device works, the water enters the water flow channel from the water inlet, the middle part of the water flow channel is provided with the detection cavity, the water can only pass through the fixed cylinder channels on both sides of the detection cavity, the water flowing through the fixed cylinder channels can be pressurized, a part of the water enters the detection cavity from the water inlet of the detection cavity, and the water flows slowly in the detection cavity, the first probe and the second probe in the detection cavity can fully contact the water flow, and the detection precision is further improved.

DRAWINGS

[0018] Figure 1 is a perspective view of the water quality detection device;

[0019] Figure 2 is a top view of the water quality detection device;

[0020] Figure 3 isFigure 2 AA sectional view.

[0021] Explanation of reference numerals in the attached figures:

[0022] Housing 1; Housing external thread 101; Water flow channel 2; Inlet 201; Outlet 202; Detection chamber 3; Detection chamber inlet 4; Detection chamber outlet 5; First probe 6; Second probe 7; Circular tube-shaped fixing cylinder 8; Sealing ring 12; Fixing ring 13; Notch 14; Locking block 82; Probe fixing seat 15; External thread 16; Conical opening 17; Sealing sleeve 18; Nut 19; Water flow switch 21; Temperature detection rod 22; Grounding rod 23; Acid adder 24; Alkali adder 25.

Detailed Implementation Methods

[0023] The present invention will be further described below with reference to the accompanying drawings:

[0024] A water quality testing device includes a housing 1, a water flow channel 2 within the housing 1, an inlet 201 and an outlet 202 within the water flow channel 2, and a testing chamber 3 within the water flow channel 2. A testing chamber inlet 4 is located on one side of the testing chamber 3, and a testing chamber outlet 5 is located on the other side of the testing chamber 3. Water in the water flow channel 2 can enter the testing chamber 3 through the testing chamber inlet 4 and then flow out through the testing chamber outlet 5. The device also includes a first probe 6 and a second probe 7 extending into the testing chamber 3. Water enters the water flow channel 2 through the inlet 201 and flows out through the outlet 202. Simultaneously, a portion of the water enters the testing chamber 3 through the testing chamber inlet 4 and then flows out through the testing chamber outlet 5. The first probe 6 and the second probe 7 extending into the testing chamber 3 can detect the water within the testing chamber 3.

[0025] The detection cavity 3 of this utility model can be an integral structure with the shell 1, or it can be a separate structure.

[0026] The first probe 6 of this invention can be a pH probe, a zirconium oxide oxygen probe, etc.

[0027] The second probe 7 of this invention can be an ORP probe, an ozone probe, a turbidity probe, etc.

[0028] like Figures 1-3 As shown, the housing 1 is in the shape of a cylindrical tube, and a cylindrical fixed cylinder 8 is fitted inside the housing 1. The detection chamber 3 is located in the middle of the cylindrical fixed cylinder 8. Fixed cylinder channels (not shown in the figure) are formed on both sides of the detection chamber 3. The fixed cylinder channels are connected to the detection chamber inlet 4 and the detection chamber outlet 5. Sealing rings 12 are provided between the front and back of the cylindrical fixed cylinder and the housing 1. The sealing rings 12 can be used for shock absorption and to prevent water that has not passed through the detection chamber inlet 4 from entering the detection chamber 3. The first probe 6 and the second probe 7 pass through the housing 1 and extend into the detection chamber 3.

[0029] The utility model discloses a first probe 6 and second probe 7 are connected with the sensor on the circular tube fixed cylinder 8.

[0030] The detection cavity water inlet 4 is a small mouth and is arranged at the lower part of the front of the circular tube fixed cylinder 8.

[0031] After water enters the water flow channel 2 from the water inlet 201, the middle part of the water flow channel 2 is provided with the detection cavity 3, so that the water can only pass through the fixed cylinder channel on both sides of the detection cavity 3, the water flowing through the fixed cylinder channel can be pressurized, a part of the water enters the inside of the detection cavity through the detection cavity water inlet 4, and slow flow is formed in the inside of the detection cavity, the first probe 6 and the second probe 7 in the detection cavity can fully contact the water flow, and the detection accuracy is further improved.

[0032] The inner wall of the shell 1 is provided with a fixing ring 13, and the circular tube fixed cylinder 8 is provided with a buckle (not shown in the figure) matched with the fixing ring 13.

[0033] The fixing ring 13 is provided with a slot 14, and the circular tube fixed cylinder 8 is provided with a clamping block 82 matched with the slot 14.

[0034] The shell 1 is provided with two probe fixing bases 15, the outer thread 16 is arranged on each probe fixing base 15, the tapered hole 17 with a large upper part and a small lower part is arranged in each probe fixing base 15, the sealing sleeve 18 is sleeved on the first probe 6 and the second probe 7 and inserted into the tapered hole, and the nut 19 matched with the outer thread 16 is further arranged on the first probe 6 and the second probe 7.

[0035] The inlet of the water flow channel 2 is provided with the water flow switch 21 and the temperature detection rod 22.

[0036] The downstream of the detection cavity 3 in the water flow channel 2 is provided with the grounding rod 23 which is mainly made of materials with good conductivity, such as copper, galvanized steel or stainless steel.

[0037] The downstream of the detection cavity 3 in the water flow channel 2 is provided with the acid adding device 24.

[0038] A downstream of the detection cavity 3 in the water flow channel 2 is provided with an alkali adding device 25. The alkali adding device 25 can control the inflow of alkaline liquid, such as sodium hydroxide, potassium hydroxide, etc. into the water flow channel 2, for adjusting the pH value. The alkali adding device 25 is provided with an alkali adding valve, which can be a manual, pneumatic, electric and electromagnetic valve, etc.

[0039] The front and rear ends of the shell 1 are provided with shell external threads 101, which are convenient for connecting with other parts of the sodium hypochlorite generator or other parts.

Claims

1. A water quality testing device, comprising a housing (1) and a water flow channel (2) provided inside the housing (1), characterized in that... The water flow channel (2) is provided with a detection chamber (3), and a detection chamber inlet (4) is provided on one side of the detection chamber (3), and a detection chamber outlet (5) is provided on the other side of the detection chamber (3). The water in the water flow channel (2) can enter the detection chamber (3) through the detection chamber inlet (4) and then flow out through the detection chamber outlet (5). The water quality detection device also includes a first probe (6) and a second probe (7) that extend into the detection chamber (3).

2. The water quality testing device according to claim 1, characterized in that... The housing (1) is in the shape of a round tube. A round tube fixed cylinder (8) is fitted inside the housing (1). The detection chamber (3) is located in the middle of the round tube fixed cylinder (8). Fixed cylinder channels are formed on both sides of the detection chamber (3). The fixed cylinder channels are connected to the water inlet (4) and water outlet (5) of the detection chamber. A sealing ring (12) is provided between the round tube fixed cylinder (8) and the housing (1). The first probe (6) and the second probe (7) pass through the housing (1) and extend into the detection chamber (3).

3. The water quality testing device according to claim 2, characterized in that... The inner wall of the housing (1) is provided with a fixing ring (13), and the cylindrical fixing cylinder (8) is provided with a buckle that cooperates with the fixing ring (13).

4. A water quality testing device according to claim 3, characterized in that... The fixing ring (13) has a notch (14), and the cylindrical fixing cylinder (8) has a locking block (82) that matches the notch (14).

5. A water quality testing device according to claim 1, characterized in that... The housing (1) is provided with two probe mounting bases (15), each probe mounting base (15) is provided with an external thread (16), each probe mounting base (15) is provided with a tapered opening (17) that is larger at the top and smaller at the bottom, the first probe (6) and the second probe (7) are fitted with sealing sleeves (18) that are inserted into the tapered openings, and the first probe (6) and the second probe (7) are also provided with nuts (19) that mate with the external thread (16).

6. A water quality testing device according to claim 2, characterized in that... The inlet (4) of the detection chamber is located at the lower part in front of the cylindrical fixed cylinder (8); the outlet (5) of the detection chamber is located at the upper part behind the cylindrical fixed cylinder (8).

7. A water quality testing device according to claim 1, characterized in that... The inlet of the water flow channel (2) is equipped with a water flow switch (21) and a temperature detection rod (22).

8. A water quality testing device according to claim 1, characterized in that... A grounding rod (23) is provided downstream of the detection chamber (3) inside the water flow channel (2).

9. A water quality testing device according to claim 1, characterized in that... An acidifier (24) is provided downstream of the detection chamber (3) inside the water flow channel (2).

10. A water quality testing device according to claim 1, characterized in that... Downstream of the detection chamber (3) in the water flow channel (2) is an alkali adder (25).