Colloidal gold method and fluorescence method integrated dual-function detector

By integrating the sample plate, fixing box, and sliding box design, the problem of existing equipment being unable to simultaneously perform colloidal gold method and fluorescence method detection is solved, realizing efficient and pollution-free detection of food samples.

CN223883581UActive Publication Date: 2026-02-06南京微测生物科技有限公司
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Patent Information

Application Number
CN202423061538.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2026-02-06
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing testing equipment is not suitable for simultaneously testing food samples using colloidal gold and fluorescence methods. It is also prone to contamination during sample transfer or cutting, leading to inaccurate test results.

Method used

Design a dual-function detector that integrates colloidal gold method and fluorescence method. By setting up a sample plate, fixed box and sliding box in the chassis, food samples are cut by insert plate and the colloidal gold method and fluorescence method are realized in the same device to avoid sample contamination.

Benefits of technology

This technology enables efficient completion of colloidal gold and fluorescence methods for food testing in the same device, avoiding contamination during sample transfer and cutting, and ensuring the accuracy of test results.

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Abstract

The utility model discloses a difunctional detector integrating colloidal gold method and fluorescence method, which relates to the field of food detection, and comprises a case, a colloidal gold test paper board and a sample adding board are placed in the case, the difunctional detector also comprises a sample board, the sample board is arranged in the case, at least two mutually independent food samples are arranged on the sample board, and the two food samples are respectively connected with the colloidal gold test paper board and the sample adding board. A liquid dropping head for dropping a sample liquid is arranged in the case corresponding to one food sample, the liquid flowing out of the food sample after liquid dropping can be dropped into the colloidal gold test paper of the corresponding colloidal gold test paper plate, and the other food sample on the sample plate can be immersed into the sample adding groove of the sample adding plate. According to the utility model, the insertion plate is used for slitting a food sample, one part of the food sample is mixed with a sample solution and then directly flows out to the colloidal gold test paper, and the other part of the food sample can be inserted into the corresponding sample adding groove to be further detected by a fluorescence method, so that the same equipment is used for completing the detection of the food sample in two modes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to food detection field, concretely is a double function detection appearance of colloid gold method and fluorescence method in one. BACKGROUND

[0002] Food safety refers to that food is non-toxic, harmless, meets the nutrition requirement, does not cause any acute, subacute or chronic harm to human health, along with the improvement of people's life quality and living standard, people put forward higher requirement to food safety, and the detection of prohibited drug and food additive of meat and aquatic products is also more and more strict, and the requirement of related inspection method and inspection device is also higher and higher.

[0003] When the colloid gold method is used to detect the additive content in food in the prior art, the food needs to be cut and placed in sample liquid first, then the sample liquid is sucked and added on the detection test paper, and whether the food sample is qualified is judged by observing the change of the detection test paper, and the fluorescence method is also a commonly used detection method in food detection, when the fluorescence method is used to detect food, the food sample is placed on the cover plate, and the cover plate with the food sample is placed on the sample adding plate with the face of the food sample downward, the food sample reacts with the sample liquid in the groove of the sample adding plate, and whether the food sample is qualified is reflected.

[0004] For the above related technology, the colloid gold method and the fluorescence method in the food detection field have advantages and disadvantages, the existing colloid gold method is easy to contaminate the food sample due to improper operation during operation, causing inaccurate detection results and other problems, and the use of the fluorescence method to detect the food sample also has the problem of easy contamination of the food sample, when the colloid gold method and the fluorescence method are used to detect the food sample in the laboratory respectively, the food sample is easy to be contaminated during the transfer or cutting of the food sample, and the existing detection equipment is not easy to detect the food sample by the colloid gold method and the fluorescence method simultaneously. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims at providing a double function detection appearance of colloid gold method and fluorescence method in one, to solve the technical problem that the existing detection equipment is not easy to detect the food sample by the colloid gold method and the fluorescence method simultaneously.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of double-function detector integrating colloidal gold method and fluorescence method, including cabinet, the cabinet is placed with colloidal gold test paper board and sample plate, further including sample plate, the sample plate is set in cabinet, at least two independent food samples are on the sample plate, the cabinet is provided with drop head for drop sample liquid corresponding one food sample, the liquid of food sample after dripping can be dropped into the colloidal gold test paper of corresponding colloidal gold test paper, another food sample on the sample plate can be immersed into the sample slot of sample plate.

[0007] By using the above technical scheme, the sample liquid structure is arranged in the cabinet to drip liquid to the sample plate, the food sample is cut by the insertion plate in the fixed box and the sliding box, part of the mixed sample liquid directly flows out to the colloidal gold test paper, and the other part of the food sample in the fixed box is inserted into the corresponding sample slot to be further detected by fluorescence method after the sample plate is inverted, and the same equipment is used to complete the detection of the food sample in two ways.

[0008] The utility model further sets up, the sample plate is fixedly connected with fixed box along length direction interval, the sample plate is slidably connected with the sliding box of fixed box symmetry along width direction, the sliding box and fixed box can be inserted insertion plate between, the insertion plate is used to cut food sample, the bottom of sliding box is provided with liquid leakage port.

[0009] As preferably, the insertion plate can cut the food sample in the box after being inserted between the fixed box and the sliding box, thereby facilitating the subsequent detection of the food sample.

[0010] The utility model further sets up, the insertion plate is fixedly connected with the pressing piece for closing the top surface of sliding box at each sliding box position.

[0011] As preferably, the pressing piece can effectively prevent the food sample in the sliding box from being contaminated.

[0012] The utility model further sets up, the retractable telescopic column is installed in the cabinet, and the drop head is arranged on the end of the telescopic column towards the collecting hopper.

[0013] As preferably, the collecting hopper can collect the sample liquid dropped by the drop head.

[0014] The utility model further sets up, the insertion plate is provided with the misalignment port avoiding the drop head.

[0015] As preferably, the drop head is prevented from impacting the insertion plate during the extension and retraction of the telescopic column.

[0016] The utility model further sets up, fixed column is fixedly connected on the case, the jack is set in the position of corresponding fixed column on the sample board.

[0017] As preferred, the fixed column cooperates with the jack to limit the sample board.

[0018] The utility model further sets up, the position of the colloidal gold test paper for collecting the liquid to be detected is located directly below the drop port.

[0019] As preferred, the liquid after contacting the food sample can be accurately dropped into the position of the colloidal gold test paper for collecting the liquid to be detected.

[0020] In summary, the utility model mainly has the following beneficial effects:

[0021] 1、 the utility model discloses a sample liquid structure for dripping liquid to the sample board direction is arranged in the case, and the food sample is cut by the plug-in board in the fixed box and the sliding box, wherein a part of mixed sample liquid directly flows out to the colloidal gold test paper, and another part of food sample in the fixed box is inserted into the corresponding sample adding groove in the fluorescent method for further detection after the sample board is inverted, and two mode detections for the food sample are completed by using the same equipment.

[0022] 2、 the utility model discloses that the fixed box and the sliding box are arranged on the sample board respectively, and the sample is cut into two parts by the plug-in board, and the food sample after detection can be conveniently separated after the plug-in board is directly slid, so that the remaining another part of food sample can directly carry out subsequent detection work of another mode. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the detection state perspective drawing of the utility model;

[0024] Figure 2 It is the detection state perspective drawing of the utility model; Figure 1 It is the enlarged view of A in the utility model.

[0025] Figure 3 It is another detection state perspective drawing of the utility model;

[0026] Figure 4 It is the sample board explosion view of the utility model;

[0027] Figure 5 It is the sample board explosion view of the utility model; Figure 4 It is the enlarged view of B in the utility model.

[0028] EXPLANATION OF REFERENCE NUMERALS:

[0029] 1, case; 2, sample plate; 201, slide rail; 202, drop port; 203, jack; 3, plugboard; 301, tablet; 302, collection bucket; 303, staggered port; 4, fixed box; 401, perforated plate; 5, sliding box; 501, leakage port; 6, colloidal gold test paper plate; 7, colloidal gold test paper; 8, telescopic column; 9, drop head; 10, fixed column; 11, sample plate; 12, sample groove; 13, case cover. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.

[0031] The embodiments will be described below according to the overall structure of the utility model.

[0032] First embodiment:

[0033] A kind of double-function detector integrating colloidal gold method and fluorescence method, please refer to Figures 1-5 , including case 1, case 1 is rotatably connected with the case cover 13 for protecting the device in case 1, colloidal gold test paper plate 6 and sample plate 11 are placed in case 1, specifically, colloidal gold test paper plate 6 is spaced apart and is provided with colloidal gold test paper 7 for colloidal gold method detection, and sample plate 11 is spaced apart and is provided with sample groove 12 for fluorescence method detection, colloidal gold method and fluorescence method are both known technology in food detection field, further including sample plate 2, sample plate 2 is arranged in case 1, at least two independent food samples are provided on sample plate 2, specifically, the number of independent food samples corresponds to the number of colloidal gold test paper 7 and sample groove 12, corresponding one of food samples in case 1 is provided with drop head 9 for drop sample liquid, the liquid of food sample after dripping can be dropped into colloidal gold test paper 7 of corresponding colloidal gold test paper plate 6, another food sample on sample plate 2 can be immersed into sample groove 12 of sample plate 11.

[0034] In the above embodiment, specifically, please refer to Figures 1-5 , sample plate 2 is fixedly connected with fixed box 4 along length direction, sample plate 2 is slidably connected with sliding box 5 symmetrical to fixed box 4 along width direction, slide rail 201 for sliding of sliding box 5 is fixedly arranged on sample plate 2, plugboard 3 can be inserted between sliding box 5 and fixed box 4, plugboard 3 is used for cutting food sample, the food sample cut into two parts is detected by colloidal gold method and fluorescence method respectively, the bottom end of sliding box 5 is provided with leakage port 501, plugboard 3 can cut food sample in box after being inserted between fixed box 4 and sliding box 5, and then it is convenient for subsequent detection of food sample.

[0035] Further, the top surface of the fixed box 4 is connected with a perforated plate 401, which is used to avoid the food sample from falling out of the fixed box 4 during the process of inverting the sample plate 2, and the holes on the perforated plate 401 can make the detection liquid in the sample groove 12 better contact with the food sample in the fixed box 4, and also can avoid the fixed box 4 from discharging the liquid in the sample groove 12 due to too fast immersion speed when immersed in the sample groove 12.

[0036] In the above embodiment, please refer to Figures 3-5 , the fixed column 10 is fixedly connected to the case 1, and the insertion hole 203 is arranged on the sample plate 2 corresponding to the position of the fixed column 10, and the fixed column 10 is used to limit the sample plate 2 after cooperating with the insertion hole 203, which can avoid the sample plate 2 from sliding during the process of sliding the insertion plate 3 along the sliding rail 201 to make the sliding box 5 separate from the sample plate 2, and further make the sliding box 5 smoothly leave the sample plate 2, and the position of the colloidal gold test paper 7 for collecting the to-be-detected liquid is located directly below the liquid drop port 202, so that the liquid after contacting with the food sample can accurately drop into the position of the colloidal gold test paper 7 for collecting the to-be-detected liquid.

[0037] Second embodiment:

[0038] A dual-function detector integrating colloidal gold method and fluorescence method, please refer to Figures 1-5 , the pressing plate 301 for closing the top surface of the sliding box 5 is fixedly connected to the insertion plate 3 corresponding to the position of each sliding box 5, and the collecting bucket 302 is fixedly connected to the top end of the pressing plate 301, which can effectively avoid the food sample in the sliding box 5 from being polluted, and the collecting bucket 302 can well collect the liquid dropped by the liquid drop head 9.

[0039] In the above embodiment, please refer to Figures 1-5 , the telescopic column 8 is installed in the case 1, specifically, the telescopic rod is installed in the case 1 corresponding to each telescopic column 8, the spring hose is arranged in the telescopic column 8 for conveying the sample liquid, the liquid drop head 9 is arranged at the end of the telescopic column 8 towards the collecting bucket 302, the liquid drop head 9 outputs the sample liquid under the supply of the liquid supply pump in the case 1, and the collecting bucket 302 can collect the sample liquid dropped by the liquid drop head 9, the leakage port 501 is arranged at the bottom end of the sliding box 5, and the sample liquid dropped into the sliding box 5 flows out from the leakage port 501 after mixing with the food sample, further, in order to make the sample liquid better flow out from the leakage port 501, the end of the sliding box 5 far away from the leakage port 501 is slightly higher than the end close to the leakage port 501.

[0040] Further, the plug plate 3 is provided with a staggered opening 303 avoiding the dripping head 9, avoiding the impact of the dripping head 9 on the plug plate 3 during the extension and contraction of the telescopic column 8, and the telescopic column 8 is in the contracted state during the insertion of the plug plate 3, so that the worker can more comfortably insert the plug plate 3 in the vertical direction.

[0041] In the specific work, the sample is put into the sliding box 5 and the fixed box 4 from the top opening of the sliding box 5, then the jack 203 of the sample plate 2 is placed in the fixed column 10 in the case 1, the plug plate 3 is inserted between the fixed box 4 and the sliding box 5 to realize the slitting of the food sample, then the telescopic column 8 is controlled to be extended and the dripping head 9 is dripped, the liquid dripped by the dripping head 9 enters the sliding box 5 through the dripping port 202, the sample liquid after contacting with the food sample flows out from the leakage port 501 to the colloidal gold test paper 7 below, the colloidal gold method detection of the food sample is completed, then the plug plate 3 is held by both hands and slides away from the fixed box 4, so that all the sliding boxes 5 slide and are separated from the sample plate 2, then the sample plate 2 is inverted and inserted into the sample adding plate 11, each fixed box 4 on the sample plate 2 is matched with a sample adding groove 12, the fluorescence method detection of the food sample is completed, the food sample is not contacted again during the detection process, the food sample is effectively prevented from being contaminated, and the colloidal gold method detection and the fluorescence method detection of the food sample are efficiently completed.

[0042] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the range of the claims of the utility model, it is protected by the patent law.

Claims

1. A dual-function detector integrating colloidal gold method and fluorescence method, characterized in that, Include: The cabinet (1), the colloidal gold test paper board (6) and the sample plate (11) are placed in the cabinet (1); The sample plate (2) is arranged in the cabinet (1), and at least two independent food samples are arranged on the sample plate (2). The cabinet (1) is provided with a drop head (9) for adding sample liquid corresponding to one of the food samples. The liquid flowing out of the food sample after dropping can be dropped into the colloidal gold test paper (7) of the corresponding colloidal gold test paper board (6). Another food sample on the sample plate (2) can be immersed into the sample groove (12) of the sample plate (11).

2. The dual-function detector integrating colloidal gold method and fluorescence method according to claim 1, characterized in that: The sample plate (2) is fixedly connected with the fixed box (4) along the length direction, and the sample plate (2) is slidably connected with the sliding box (5) symmetrical to the fixed box (4) along the width direction.

3. The dual-function detector integrating colloidal gold method and fluorescence method according to claim 2, characterized in that: The sliding box (5) and the fixed box (4) can be inserted into the insertion plate (3), and the insertion plate (3) is used for cutting food samples. The bottom end of the sliding box (5) is provided with a liquid leakage port (501).

4. The dual-function detector integrating colloidal gold method and fluorescence method according to claim 3, characterized in that: The insertion plate (3) is fixedly connected with a pressing plate (301) for closing the top surface of the sliding box (5) corresponding to the position of each sliding box (5). The top end of the pressing plate (301) is fixedly connected with a collecting hopper (302).

5. The dual-function detector integrating colloidal gold method and fluorescence method according to claim 4, characterized in that: The cabinet (1) is provided with an extendable telescopic column (8), and the end of the telescopic column (8) is provided with a drop head (9) towards the collecting hopper (302).

6. The dual-function detector integrating colloidal gold method and fluorescence method according to claim 5, characterized in that: The insertion plate (3) is provided with a misalignment opening (303) avoiding the drop head (9).

7. The dual-function detector integrating colloidal gold method and fluorescence method according to claim 5, characterized in that: The cabinet (1) is fixedly connected with a fixed column (10), and the sample plate (2) is provided with a insertion hole (203) corresponding to the position of the fixed column (10).

8. The dual function detector integrating colloidal gold method and fluorescence method according to claim 3, characterized in that: The position of the colloidal gold test paper (7) for collecting the liquid to be detected is located directly below the drop port (202).

9. The dual function detector integrating colloidal gold method and fluorescence method according to claim 3, characterized in that: The top surface of the fixed box (4) is provided with a perforated plate (401).