Sampling device for water effect test of water purifier

Abstract

The utility model belongs to the technical field of water purifier testing, and provides a sampling device for a water purifier water effect test, which comprises a water supply pipeline, and a water purifier sample to be tested, a first water taking valve, a second water taking valve and a third water taking valve which are sequentially arranged on the water supply pipeline in series, the water purifier sample to be tested is arranged close to the water inlet of the water supply pipeline, and the first water taking valve, the second water taking valve and the third water taking valve are three-way valves with water taking ports. The sampling device for the water effect test of the water purifier, provided by the utility model, is simple in structure and convenient to use, can realize automatic quantitative water taking and sampling in the water effect test process of the water purifier, reduces complicated operations in the test process, reduces the labor intensity of experimenters and improves the test efficiency.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water purifier test technical field, especially relate to a sampling device for water efficiency test of water purifier. BACKGROUND

[0002] Water purifier is the equipment for filtering and purifying water body that people often need to use in daily life, and there are strict detection standards for the product quality of water purifier at present, including the water purification amount, concentrated water amount, total water inflow, water purification flow and removal effect of water purifier product, which all need to be recorded in detail in the test. According to the requirements in GB 34914-2021 'water efficiency limit value and water efficiency grade of water purifier', the water purification flow and removal rate test need to be carried out when the water purification amount of water purifier reaches 0%, 25%, 50%, 75% and 100% of the rated total water purification amount in turn in the water efficiency test process, and the water purification of (300±2) s is collected at the specified time sampling point, the water amount is measured, the collection is carried out every 5 min, a total of 3 times, and the arithmetic average value of the three test values is taken as the experimental result of water purification flow. However, the existing test process is generally manually operated by experimenters, and since the water efficiency test requires water to be taken under continuous water purification state, the whole test process is time-consuming, assuming that the rated water purification amount of the water purifier sample to be tested is 4000L, and the water purification flow is calculated at 1 L / min, the total water efficiency test process needs 66.7 hours, and the experimenter needs to be on duty or adopt the experimenter alternately shifts duty, the labor intensity of the experimenter is large, and it is time-consuming and laborious, in addition, the accuracy and reliability of the test result are influenced by human interference factors or misoperation in the manual operation test process.

[0003] Therefore, it is necessary to design a sampling device for water efficiency test of water purifier which can at least solve the above problems and defects. SUMMARY

[0004] The utility model discloses to solve above technical problem, propose a kind of sampling device for water efficiency test of water purifier, simple structure is used conveniently, can realize the automatic quantitative water sampling in the water efficiency test process of water purifier, reduce the complicated operation of test test process, reduce the labor intensity of experimenter, improve test efficiency.

[0005] The technical scheme of the utility model is:

[0006] The utility model proposes a kind of sampling device for water efficiency test of water purifier, including water supply pipeline, and the water purifier sample to be measured, first water valve, second water valve and third water valve are sequentially and in series arranged on water supply pipeline;

[0007] The to-be-tested water purifier sample is arranged close to the water inlet of the water supply pipeline, and the first water taking valve, the second water taking valve and the third water taking valve are all three-way valves provided with water inlets.

[0008] Preferably, the water purifier water efficiency test sampling device further comprises a control unit, and the first water taking valve, the second water taking valve and the third water taking valve are all electric three-way valves electrically connected with the control unit.

[0009] Preferably, the water supply pipeline is further provided with a water inlet flow meter and a purified water flow meter in communication therewith, and the water inlet flow meter is arranged close to the water inlet of the water supply pipeline.

[0010] The purified water flow meter is located between the to-be-tested water purifier sample and the first water taking valve, and the purified water flow meter is connected with the control unit.

[0011] Preferably, the water purifier water efficiency test sampling device further comprises a sampling platform, and the sampling platform is provided with at least one group of sample storage tables containing three sampling containers.

[0012] Preferably, the sampling platform is further provided with a conveying table and a driving motor connected with the conveying table.

[0013] The sample storage table is fixedly arranged on the conveying table, and the driving motor is connected with the control unit.

[0014] Preferably, the sample storage table is arranged in parallel and spaced apart in five groups, and the five groups of sample storage tables correspond to water taking and sampling at 0%, 25%, 50%, 75% and 100% stages of the rated total purified water amount of the to-be-tested water purifier sample, respectively.

[0015] Compared with the prior art, the water purifier water efficiency test sampling device has the following advantages and effects:

[0016] (1) The first water taking valve, the second water taking valve and the third water taking valve arranged in series on the water supply pipeline can keep three water taking and sampling operations in a continuous purified water state, so that subsequent three sampling measurement and test result calculation are facilitated, the complexity and complexity of the test process are reduced, and the convenience of the test is improved.

[0017] (2) The control unit connected with the first water taking valve, the second water taking valve and the third water taking valve can complete three water taking and sampling operations in sequence and at intervals by controlling the opening and closing of the water taking valves, so that the test operation difficulty is reduced, manual intervention is not required, and water taking and sampling in the water efficiency test process can be automatically completed.

[0018] (3) the water purification flow meter arranged on the water supply pipeline and between the water purification machine sample to be tested and the first water taking valve, the water purification flow meter and the control unit are connected, so as to automatically control the water taking valve to take water and sample when the water purification quantity reaches 0%, 25%, 50%, 75%, 100% of the rated water purification quantity of the water purification machine, the degree of automation is high, and the test efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 FIG. 1 is a structural schematic view of the sampling device for water efficiency test of a water purification machine in the embodiment 1 of the present application;

[0020] Figure 2 FIG. 5 is a connection principle schematic view of the control unit in the sampling device for water efficiency test of a water purification machine in the embodiment 1 of the present application;

[0021] Figure 3 FIG. 6 is a structural schematic view of the sampling device for water efficiency test of a water purification machine in the embodiment 2 of the present application;

[0022] Figure 4 FIG. 7 is a structural schematic view of the sampling platform in the sampling device for water efficiency test of a water purification machine in the embodiment 2 of the present application;

[0023] Figure 5 FIG. 5 is a connection principle schematic view of the control unit in the sampling device for water efficiency test of a water purification machine in the embodiment 1 of the present application;

[0024] The drawings show that the present application provides a sampling device for water efficiency test of a water purification machine, which comprises a water supply pipeline 1, and a water purification machine sample 2 to be tested, a first water taking valve 3, a second water taking valve 4 and a third water taking valve 5 which are arranged in sequence and connected in series on the water supply pipeline 1. DETAILED DESCRIPTION

[0025] In order to make the skilled in the art better understand the present application, the present application will be further described in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application.

[0026] Embodiment 1:

[0027] As shown in Figures 1-2 The present application provides a sampling device for water efficiency test of a water purification machine, which comprises a water supply pipeline 1, and a water purification machine sample 2 to be tested, a first water taking valve 3, a second water taking valve 4 and a third water taking valve 5 which are arranged in sequence and connected in series on the water supply pipeline 1.

[0028] Further, the water sampling device for water efficiency test of the water purifier in the embodiment further comprises a control unit, the first water valve 3, the second water valve 4 and the third water valve 5 are electrically connected with the control unit.

[0029] The water supply pipeline 1 is further provided with a water inlet flow meter 6 and a purified water flow meter 7 in communication with the water supply pipeline 1, the water inlet flow meter 6 is arranged close to the water inlet of the water supply pipeline 1 and is located at the front side (water inlet side) of the water purifier sample 2 to be tested, so as to record the water inlet flow during the water efficiency test; the purified water flow meter 7 is located between the water purifier sample 2 to be tested and the first water valve 3, so as to record and monitor the purified water flow during the water efficiency test, and the purified water flow meter 7 is connected with the control unit.

[0030] In the specific test process, the control unit receives the flow data signal of the purified water flow meter 7, and when the purified water flow reaches 0%, 25%, 50%, 75% and 100% of the rated purified water volume of the water purifier sample 2 to be tested, respectively, the control unit sends water sampling signals to the first water valve 3, the second water valve 4 and the third water valve 5 in sequence and at intervals, and it should be noted that under normal conditions, the first water valve 3, the second water valve 4 and the third water valve 5 are all in a state of being connected in series with the water supply pipeline 1 to ensure that the water efficiency test is in a continuous purified water state, and at the same time, the water inlets of the first water valve 3, the second water valve 4 and the third water valve 5 are all in a closed state, when the first water valve 3 receives the water sampling signal sent by the control unit, it is switched to a side connection state in communication with the water inlet thereof, and the purified water flows out through the water inlet of the first water valve 3 for sampling, and after collecting water for 300s (300±2s), the first water valve 3 is reset, and the sampling of the second water valve 4 and the third water valve 5 is carried out in sequence, and since the water sampling principle and process of the second water valve 4 and the third water valve 5 are the same as those of the first water valve 3, they will not be described here.

[0031] Embodiment 2:

[0032] The embodiment 2 of the utility model is used for Figures 3-5 illustration. In addition, the parts which are not different from the embodiment 1 are omitted and the same reference signs are assigned.

[0033] As Figures 3-5 shown, the water sampling device for water efficiency test of the water purifier further comprises a sampling platform 8, the sampling platform 8 is provided with at least one set of sample storage table 81 containing three sampling containers 82, and the sampling containers 82 are respectively located directly below the water inlets of the first water valve 3, the second water valve 4 and the third water valve 5.

[0034] Further, in combination with Figure 3 and Figure 4As shown, the sampling platform 8 is further provided with a conveying table 83 and a driving motor 84 connected with the conveying table 83; the sample storage table 81 is fixedly arranged on the conveying table 83, and the driving motor 84 is connected with the control unit to control the movement of the conveying table 83 so as to realize the switching of different groups of sample storage tables 81, thereby completing the automatic water sampling in different stages.

[0035] Specifically, referring to Figure 4 As shown, in the embodiment, the sample storage tables 81 are arranged in parallel and spaced apart in five groups, that is, the sample storage tables 81 are arranged in five rows and each row of sample storage tables 81 is arranged with three columns of sampling containers 82, wherein the five groups of sample storage tables 81 correspond to the water sampling and storage in the stages of 0%, 25%, 50%, 75% and 100% of the rated total water purification amount of the water purifier test sample 2, for example, after completing the water sampling in the 25% stage, the control unit sends an operation signal to the driving motor 84, and the driving motor 84 drives the conveying table 83 to move to transport the sample storage table 81 (25% stage) completing the water sampling to the outside and transport the sample storage table 81 (50% stage) not performing the water sampling to the right below the water inlet, so that the three empty sampling containers 82 are directly opposite the water inlets of the first water valve 3, the second water valve 4 and the third water valve 5 to perform the water sampling in the 50% stage, wherein the specific sampling process and principle of the water valve can refer to the content of the embodiment 1, which will not be described here again, and it should be noted that when the third water valve 5 completes the water sampling in the set time (300±2s), it is regarded as completing the water sampling in the current stage, and the control unit can immediately send an operation signal to the driving motor 84 or send the operation signal after a period of time (such as 10s).

[0036] Optionally, in some embodiments, the sample storage table 81 can be provided with more than five groups to realize the continuous water efficiency test of different water purifier test samples 2, thereby improving the operation efficiency of the test.

[0037] In summary, the sampling device for water efficiency test of a water purifier provided by the utility model has simple structure and convenient use, can realize automatic quantitative water sampling in the water efficiency test process of the water purifier, reduces the complicated operation in the test process, reduces the labor intensity of the experiment personnel, and improves the test efficiency.

[0038] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent change and modification within the range of the utility model should still belong to the range covered by the utility model.

Claims

1. A sampling device for water efficiency testing of a water purifier, characterized by: Including water supply pipeline (1), and the water supply pipeline (1) on the measured water purifier sample (2), first water valve (3), second water valve (4) and third water valve (5) are arranged in series; The measured water purifier sample (2) is arranged close to the water inlet of the water supply pipeline (1), the first water valve (3), the second water valve (4), the third water valve (5) are all three-way valves provided with water inlets; It also includes a sampling platform (8), the sampling platform (8) is provided with at least one group of sample storage platform (81) containing three sampling containers (82), the sampling container (82) is respectively located below the water inlet of the first water valve (3), the second water valve (4), the third water valve (5).

2. The water sampling device for water efficiency test of water purifier according to claim 1, characterized in that: It also includes a control unit, the first water valve (3), the second water valve (4), the third water valve (5) are all electric three-way valves connected with the control unit.

3. The water sampling device for water efficiency test of water purifier according to claim 2, characterized in that: The water supply pipeline (1) is also provided with water inlet flow meter (6) and water purifier flow meter (7) communicated with it, the water inlet flow meter (6) is arranged close to the water inlet of the water supply pipeline (1); The water purifier flow meter (7) is located between the measured water purifier sample (2) and the first water valve (3), and the water purifier flow meter (7) is connected with the control unit.

4. The water sampling device for water efficiency test of water purifier according to claim 2, characterized in that: The sampling platform (8) is also provided with conveying table (83), and drive motor (84) connected with conveying table (83); The sample storage platform (81) is fixedly arranged on the conveying table (83), and the drive motor (84) is connected with the control unit.

5. The water sampling device for water efficiency test of water purifier according to claim 4, characterized in that: The sample storage platform (81) is arranged in parallel and spaced apart, and five groups of the sample storage platform (81) correspond to the water storage sampling of the water purifier reaching 0%, 25%, 50%, 75% and 100% of the rated total water purifying capacity of the measured water purifier sample (2) respectively.

Images