Swimming pool water escherichia coli detection device
By designing a swimming pool water E. coli detection device that includes a base, a liquid guide tube, and a lifting device, the problems of cumbersome and inaccurate manual sampling are solved, and quantitative sampling and balanced addition are achieved, thus improving detection efficiency.
Patent Information
- Application Number
- CN202422952694.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing methods for detecting E. coli in swimming pool water involve cumbersome and inaccurate manual sampling, which affects the uniformity of dilution of the test strips.
A detection device was designed, comprising a base, a top plate, a liquid guide tube, a sample liquid cylinder, a pipette, and a lifting device. The lifting device controls the lifting of the liquid collection component to achieve quantitative sampling, and a photoelectric switch controls the liquid release, simplifying manual operation.
It improves sampling accuracy and ease of operation, ensures the even addition of water samples from multiple test strips, and enhances testing efficiency.
Smart Images
Figure CN223522553U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water quality detection technical field more specifically, the utility model relates to a kind of swimming pool water coliform bacteria detection device. BACKGROUND
[0002] Coliform bacteria is a kind of conditional pathogenic bacteria, it can cause gastrointestinal infection or urinary tract and other local tissue organ infection of human and various animals under certain conditions, can cause great harm to human and animal.Coliform bacteria is the resident bacteria in human or animal intestinal tract, widely exists in food, water and other environments, coliform bacteria is prone to cause people to appear diarrhea and other diseases, so the defense of coliform bacteria is imperative.At present, along with the improvement of living conditions, people often swim in swimming pool for swimming training, and in order to guarantee the health of water quality, coliform bacteria detection in water of public swimming pool is necessary.
[0003] When the detection method of coliform bacteria in downstream swimming pool water is tested by adding water sample to detection sheet, the use of detection sheet involves multiple groups, i.e.multiple tests are carried out before and after dilution of water sample, so there is the tediousness of pipetting addition of water sample in container by manual tool frequently;At the same time, when water sample in container is extracted by manual tool, there is the deficiency of content accuracy, which affects the balance of water sample addition of multiple detection sheets. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a technical scheme capable of solving the above problems to overcome the above deficiencies.
[0005] To achieve the above object, the utility model provides the following technical scheme: a swimming pool water coliform bacteria detection device is used for detecting coliform bacteria in swimming pool water, comprising base and top plate fixedly connected on the base, test card support for coliform bacteria detection card placement is arranged on the base, liquid guide pipe is fixedly penetrated in the top plate, sample liquid cylinder is detachably connected to the top end of the liquid guide pipe, liquid guide pipe is fixedly connected with pipette on the outer surface, liquid guide pipe is provided with liquid taking assembly, and lifting device for controlling the lifting of liquid taking assembly is arranged at the bottom end of the liquid guide pipe.
[0006] In a preferred embodiment, the number of test card supports is multiple, and the multiple test card supports are arranged in a stepped manner.
[0007] In a preferred embodiment, the bottom end of the sample liquid cylinder is fixedly connected with a threaded head, and the sample liquid cylinder is threadedly connected with the liquid guide pipe through the threaded head.
[0008] In a preferred embodiment, the liquid taking assembly comprises a sealing slide rod slidingly connected in the liquid guide pipe and a liquid taking groove opened on the sealing slide rod, and the liquid inlet end of the pipette is arranged to face the liquid taking groove, and the output end of the lifting device is fixedly connected at the bottom end position of the sealing slide rod.
[0009] In a preferred embodiment, the bottom corners of the base are fixedly connected with anti-skid pads.
[0010] In a preferred embodiment, the rear side of the base is provided with a storage box.
[0011] In a preferred embodiment, the liquid outlet end of the pipette is provided with a nozzle, and the side of the pipette is provided with a photoelectric switch fixedly connected to the base.
[0012] The technical effects and advantages of the utility model are as follows:
[0013] The swimming pool water E. coli detection device of the utility model, through the cooperation of the communication of the liquid guide pipe and the sample liquid cylinder and the communication of the liquid guide pipe and the pipette, the liquid taking assembly is driven by the lifting device to perform periodic lifting action, so that the quantitative swimming pool water sample can be extracted, the water sample is added by manually holding the self-sealing bag provided with the detection paper sheet and directly sleeving on the pipette, the liquid releasing control is realized by using the photoelectric switch induction type, the liquid releasing amount is accurate, the convenience of pipetting is met, and the detection efficiency is high. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.
[0015] Figure 1 It is a first view angle structural schematic view of the swimming pool water E. coli detection device of the utility model.
[0016] Figure 2 It is a second view angle structural schematic view of the swimming pool water E. coli detection device of the utility model.
[0017] Figure 3 It is a structural schematic view of the sample liquid cylinder of the utility model.
[0018] Figure 4 It is a plane structural schematic view of the liquid guide pipe, the pipette and the liquid taking assembly of the utility model.
[0019] The reference signs are: 1, base; 2, test card carrier; 3, top plate; 4, liquid guide pipe; 5, sample liquid cylinder; 51, threaded head; 6, pipette; 7, liquid taking assembly; 71, sealing slide column; 72, liquid taking groove; 8, lifting device; 9, non-slip pad; 10, storage box; 11, photoelectric switch; 12, nozzle. DETAILED DESCRIPTION
[0020] The embodiments of the present application will be described in detail by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.
[0021] In combination with reference Figures 1-4 The present application provides a kind of swimming pool water coliform detection device, it is used to detect coliform in swimming pool water, including base 1 and fixedly connected on base 1 top plate 3, base 1 and top plate 3 can provide structural support for a kind of swimming pool water coliform detection device, base 1 is provided with test card carrier 2 for coliform detection card placement, test card carrier 2 can be used to place the self-sealing bag of detection paper sheet equipped with coliform test, top plate 3 is fixedly penetrated with liquid guide pipe 4, the top end of liquid guide pipe 4 is detachably connected with sample liquid cylinder 5, sample liquid cylinder 5 can be used to store swimming pool water sample after detection processing, sample liquid cylinder 5 when actually used, it can be sealed relatively with cover structure cover to realize use, and when using cover structure, it needs to be configured with safety valve, the outer surface of liquid guide pipe 4 is fixedly connected with pipette 6, pipette 6 position can cooperate with the self-sealing bag of detection paper sheet equipped with coliform test to add water sample, liquid guide pipe 4 is provided with liquid taking assembly 7, liquid taking assembly 7 can take out swimming pool water sample in sample liquid cylinder 5, and liquid taking assembly 7 is moved to self-sealing bag by pipette 6, the bottom end of liquid guide pipe 4 is provided with lifting device 8 for controlling the lifting of liquid taking assembly 7, lifting device 8 can adopt lifting motor.
[0022] The number of test card carriers 2 is multiple, and the multiple test card carriers 2 are arranged in a stepped manner. This design has the advantages of increasing the filling amount of the self-sealing bag containing the detection paper sheet and facilitating taking.
[0023] The bottom end of the sample liquid cylinder 5 is fixedly connected with a threaded head 51. The sample liquid cylinder 5 is threadedly connected with the liquid guide pipe 4 through the threaded head 51. The sample liquid cylinder 5 is threadedly detachably connected with the liquid guide pipe 4 through the threaded head 51. In this way, the sample liquid cylinder 5 can be conveniently detached for cleaning.
[0024] The liquid taking assembly 7 comprises a sealing slide column 71 slidably connected in the liquid guide pipe 4 and a liquid taking groove 72 formed on the sealing slide column 71, the liquid inlet end of the pipette 6 is arranged to face the liquid taking groove 72, and the output end of the lifting device 8 is fixedly connected at the bottom end position of the sealing slide column 71. In the present application, the sealing slide column 71 can be made of silica gel, which can meet the sealing property of rubber material and medical material while sliding in the liquid guide pipe 4. The inner bottom end of the liquid taking groove 72 is inclined, which can improve the thoroughness of liquid discharge.
[0025] Specifically, when it is needed to take the sample of the pool water into the sample liquid cylinder 5, the sealing slide column 71 is controlled to move upward by the lifting device 8, and the sealing slide column 71 can extend into the sample liquid cylinder 5 under the sliding guidance of the liquid guide pipe 4. By arranging the cavity structure of the liquid taking groove 72, the liquid taking groove 72 can conveniently store a certain amount of water sample. Finally, the sealing slide column 71 is lowered by the lifting device 8 until the liquid taking groove 72 is connected and communicated with the pipette 6, and then the collected water sample can be discharged through the pipette 6, so as to quantitatively add the pool water sample into the self-sealing bag containing the test paper sheet. The self-sealing bag with the added water sample is then placed in the incubator for culture. In this way, when a large number of test paper sheets are used, the complexity of manually adding liquid into the self-sealing bag frequently can be avoided, and since the water sample in the liquid taking groove 72 is completely filled with a certain amount of water sample, the balance of water sample addition can be ensured when liquid is added to a large number of test paper sheets.
[0026] The bottom corners of the base 1 are fixedly connected with anti-skid pads 9, which can increase the stability of the base 1 placed on the table top.
[0027] The rear side of the base 1 is provided with a storage box 10, which can improve the storage space to facilitate the storage of the apparatus for E. coli detection and improve the use functionality.
[0028] The liquid outlet end of the pipette 6 is provided with a nozzle 12, which can facilitate the insertion of the self-sealing bag to fill the water sample on the pipette 6. One side of the pipette 6 is provided with a photoelectric switch 11 fixedly connected to the base 1. In the present application, the photoelectric switch 11 is electrically connected to the lifting device 8 through the controller. The photoelectric switch 11 detects the operation of the pipette 6 position, that is, after the self-sealing bag is sleeved on the pipette 6, the photoelectric switch 11 can provide a pipetting signal. The photoelectric switch 11 controls the lifting device 8 to move periodically by means of the controller. The periodic movement of the lifting device 8 is to first control the sealing slide column 71 to slide upward in the liquid guide pipe 4, store the water sample in the sample liquid cylinder 5 through the liquid taking groove 72, and then lower the sealing slide column 71 to discharge the water sample in the liquid taking groove 72 through the pipette 6.
Claims
1. A swimming pool water E. coli detection device for detecting E. coli in swimming pool water, comprising a base (1) and a top plate (3) fixedly connected to the base (1), characterized in that: The base (1) is provided with a test card support (2) for placing an E. coli detection card, the top plate (3) is fixedly provided with a liquid guide pipe (4) penetrating through, the top end of the liquid guide pipe (4) is detachably connected with a sample liquid cylinder (5), the outer surface of the liquid guide pipe (4) is fixedly connected with a pipette (6) in communication, the liquid guide pipe (4) is provided with a liquid taking assembly (7), and the bottom end of the liquid guide pipe (4) is provided with a lifting device (8) for controlling the lifting of the liquid taking assembly (7).
2. A swimming pool water E. coli detection device according to claim 1, characterized in that: The number of the test card supports (2) is multiple, and the multiple test card supports (2) are arranged in a stepped manner.
3. The swimming pool water E. coli detection device of claim 1, wherein: The bottom end of the sample liquid cylinder (5) is fixedly connected with a threaded head (51), and the sample liquid cylinder (5) is threadedly connected with the liquid guide pipe (4) through the threaded head (51).
4. The swimming pool water E. coli detection device of claim 1, wherein: The liquid taking assembly (7) comprises a sealing slide column (71) slidably connected in the liquid guide pipe (4) and a liquid taking groove (72) formed in the sealing slide column (71), the liquid inlet end of the pipette (6) is arranged to face the liquid taking groove (72), and the output end of the lifting device (8) is fixedly connected to the bottom end position of the sealing slide column (71).
5. The swimming pool water E. coli detection device of claim 1, wherein: The bottom corners of the base (1) are fixedly connected with anti-skid pads (9).
6. The swimming pool water E. coli detection device of claim 1, wherein: The rear side of the base (1) is provided with a storage box (10).
7. The swimming pool water E. coli detection device of claim 1, wherein: The liquid outlet end of the pipette (6) is provided with a nozzle (12), one side of the pipette (6) is provided with a photoelectric switch (11), and the photoelectric switch (11) is fixedly connected to the base (1).