Water quality detection pen
By improving the probe assembly structure of the water quality testing pen, the probe is made in close contact with the testing reagent, eliminating the influence of air bubbles and achieving more accurate and stable water quality testing.
Patent Information
- Application Number
- CN202422727280.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-11-08
AI Technical Summary
Existing water quality testing pens are prone to leaving air bubbles near the probe during testing, resulting in inaccurate and unstable test data.
A water quality testing pen was designed. The probe assembly includes a probe shell, a circuit board, a waterproof sealing ring, a thermal testing area, and a metal probe. The bottom of the probe hole is sealed with special adhesive. The probe is in close contact with the test reagent to ensure that no air bubbles are left behind. The data is transmitted to the circuit board through an electrochemical reaction and displayed in real time.
This ensures the accuracy and stability of the detection data, and improves the speed and efficiency of the detection process.
Smart Images

Figure CN223711503U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a water quality detection pen. BACKGROUND
[0002] When the customer uses the existing water quality detection pen product, due to the structure limitation of the probe part, often there is bubble attached to the probe vicinity when the water quality detection pen detects water, which directly affects the accuracy and stability of the detection data. SUMMARY
[0003] The utility model wants to solve the technical problem: provide a water quality detection pen, overcome the existing water quality detection pen generally existing when using product detection water quality, the bubble is left in the probe vicinity, make the detection data inaccurate, not timely, unstable technical problem.
[0004] To solve the above technical problem, the technical scheme that the utility model adopts is: the water quality detection pen includes the detection pen display component of being placed in the upper portion and the detection head component of being placed in the lower portion, the detection head component includes the circuit board of being placed in the detection head shell and waterproof seal ring, heat sensitive test area, metal probe one test area, metal probe two test area, detection head water channel, probe hole, the bottom of detection head component is equipped with heat sensitive head and heat sensitive hole, metal probe test area is equipped with metal probe, and the metal probe includes metal probe one and metal probe two, and the bottom of probe hole is sealed with special glue, and the probe hole is open semicircular hole, and the probe pressed into the hole exposes the half of the circumferential surface in the detection head water channel and is in close contact with the detection reagent, and in the detection head water channel, the metal probe and heat sensitive head form heat sensitive test area with the detection reagent respectively, and there is no space between the metal probe and the detection head shell.
[0005] Further, the water quality detection pen is provided with a detection pen protective cover.
[0006] Further, the bottom of the detection head shell is provided with two probe holes.
[0007] After adopting the above technical scheme, the utility model brings the technical effect that the detection data is more accurate, more stable and faster. BRIEF DESCRIPTION OF DRAWINGS
[0008] Figure 1 It is the structural schematic diagram of the utility model,
[0009] Figure 2 It is the detection head component structural schematic diagram of the utility model,
[0010] Figure 3 It is the explosion schematic diagram of the detection head component of the utility model,
[0011] Figure 4 It is the side view schematic diagram of the detection head component of the utility model,
[0012] Figure 5 A-A sectional view of the detection head assembly of the utility model Figure 1 ,
[0013] Figure 6 A-A sectional view of the detection head assembly of the utility model Figure 2 ,
[0014] Figure 7 A-A sectional view of the detection head assembly of the utility model
[0015] 1—Detection pen display assembly, 2—Detection head assembly, 3—Detection pen protective cover, 4—Thermistor head, 5—Detection head water channel, 6—Metal probe, 7—Probe hole, 8—Thermistor hole, 9—Detection head shell, 10—Metal probe one, 11—Metal probe two, 12—Thermistor test area, 13—Metal probe one test area, 14—Metal probe two test area. DETAILED DESCRIPTION
[0016] The principles and features of the utility model will be described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.
[0017] According to Figures 1-7 As shown in the figure, the water quality detection pen comprises a detection pen display assembly 1 placed at the upper part and a detection head assembly 2 placed at the lower part, the detection head assembly 2 comprises a detection head shell 9 and a circuit board placed in the detection head shell 9, a waterproof sealing ring, a thermistor test area 12, a metal probe one test area 13, a metal probe two test area 14, a detection head water channel 5, a probe hole 7, and the bottom of the detection head assembly 2 is provided with a thermistor head 4 and a thermistor hole 8, so that the test temperature can be obtained more directly and quickly, and the test data can be temperature compensated; the metal probe test area is provided with a metal probe 6, the metal probe 6 comprises a metal probe one 10 and a metal probe two 11, the metal probe 6 and the thermistor head 4 are pressed into the corresponding hole positions in sequence through a special tool, the bottom of the probe hole 7 is sealed with special glue, the probe hole 7 is an open semicircular hole, the probe pressed into the hole is in close contact with the detection reagent with half of the circumferential surface exposed in the detection head water channel 5, in the detection head water channel 5, the metal probe 6 and the thermistor head 4 form the thermistor test area 12 with the detection reagent respectively, there is no space between the metal probe 6 and the detection head shell 9, no air bubbles are left when water flows around the metal probe 6, the environment is relatively stable, and the detection data is more accurate and efficient. Through electrochemical reaction, the data signal is transmitted to the adapter circuit board, the adapter circuit board and the detection pen display assembly 1 are connected through a connector, and then the signal is transmitted to the main control circuit board in the detection pen display assembly 1, the circuit board calculates and displays the measured data in real time.
[0018] As a preferred, the water quality detection pen is provided with a detection pen protective cover 3.
[0019] Preferably, the bottom of the probe head housing 9 is provided with two probe holes 7.
[0020] The working and using process steps of the utility model are as follows: holding the water quality detection pen, taking off the detection pen protective cover 3, putting the probe part of the metal probe 6 into the reagent in the detection area, making the liquid surface between the lowest water level line MIN and the highest water level line MAX on the water quality detection pen, staying for several seconds, reading the data after the data is stable, and obtaining the data.
Claims
1. A water quality detection pen comprising a detection pen display assembly (1) disposed at an upper portion and a probe head assembly (2) disposed at a lower portion, characterized in that, The probe head assembly (2) comprises a probe head shell (9) and a circuit board, a waterproof sealing ring, a thermal sensitive testing area (12), a metal probe one testing area (13), a metal probe two testing area (14), a probe head water channel (5), a probe hole (7), a bottom of the probe head assembly (2) is provided with a thermal sensitive head (4) and a thermal sensitive hole (8), the metal probe testing area is provided with a metal probe (6), the metal probe (6) comprises a metal probe one (10) and a metal probe two (11), the metal probe (6) and the thermal sensitive head (4) are pressed into corresponding hole positions in sequence through special tools, the bottom of the probe hole (7) is sealed with special glue, the probe hole (7) is an open semicircular hole, the probe pressed into the hole exposes a half of a circumferential surface in the probe head water channel (5) to tightly contact with a detection reagent, in the probe head water channel (5), the metal probe (6) and the thermal sensitive head (4) respectively form the thermal sensitive testing area (12) with the detection reagent, and there is no space between the metal probe (6) and the probe head shell (9).
2. The water quality test pen of claim 1, wherein The water quality detection pen is provided with a detection pen protective cover (3).
3. The water quality test pen according to claim 1 or 2, characterized in that The bottom of the probe head shell (9) is provided with two probe holes (7).