Novel handheld portable colloidal gold detector
By designing a limiting groove structure in the portable colloidal gold detector, the problem of misalignment or displacement of different test cards during insertion was solved, thus achieving stable fixation of the test cards and accuracy of the test data.
Patent Information
- Application Number
- CN202520183624.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Existing portable colloidal gold detectors are incompatible with different types of test cards, resulting in the test cards being inserted out of center or shifted, which affects the test results.
A limiting groove structure was designed, including a bayonet and a spring. The outer end of the bayonet is an arc shape with the outer side higher than the inner side. The spring provides elastic force to fix the detection card in the center after insertion, which is suitable for single, double, triple and quadruple detection cards.
It enables stable insertion of different types of detection cards, reduces the adverse effects of detection card displacement on detection data, and improves the accuracy and convenience of detection.
Smart Images
Figure CN223883578U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection equipment technical field, especially a novel handheld portable colloidal gold detector. BACKGROUND
[0002] With the progress of science and technology, the handheld portable colloidal gold detector based on the immune chromatography colloidal gold detection technology has been rapidly developed, and the handheld portable colloidal gold detector has the advantages of simple operation, strong specificity and high sensitivity, and is widely used in the fields of medical treatment, food safety, animal epidemic disease and the like, especially in the field of rapid detection of vegetable pesticide residues. The handheld portable colloidal gold detector has a circular ring type light guide plate in front of the colloidal gold detection card station in the inside of the handheld portable colloidal gold detector, and the middle part is hollow, which provides uniform light for the colloidal gold detection card. The rear side of the light guide plate is a CCD sensor, the CCD sensor probe is located in the hollow center of the light guide plate, the CCD sensor signal end is connected to the control system board in the handheld portable colloidal gold detector, and the control system board is also connected to a liquid crystal display, the light guide plate and a lithium battery. The lithium battery supplies power to each electrical component. When the colloidal gold detection card immersed in the liquid of vegetable and fruit samples is inserted into the card slot of the colloidal gold detection card station, the CCD sensor recognizes the photoelectric (image) information of the colloidal gold detection card, transmits the information to the control system board, and converts the information into pesticide residue data (positive and negative results and pesticide residue concentration data). The detection result information is displayed on the liquid crystal screen of the liquid crystal display, and the detection personnel can intuitively understand the pesticide residue amount in the detected vegetables and fruits.
[0003] In actual vegetable and fruit pesticide residue detection, the same kind of vegetables and fruits may need to detect multiple pesticide residues at the same time. Therefore, the prior art has appeared colloidal gold multi-detection cards that can simultaneously detect multiple pesticide residues. The colloidal gold multi-detection card has a relatively high cost, and some application scenarios do not need to simultaneously detect multiple vegetable and fruit pesticide residues. Different users will select suitable single, double, triple or quadruple colloidal gold detection cards. Since the widths of different types of colloidal gold detection cards are different, the portable colloidal gold detector needs to adapt to the insertion detection of the quadruple colloidal gold detection card, and the card slot of the colloidal gold detection card station has a relatively wide width. In order to make the detection result more real, the portable colloidal gold detector needs to detect the card in the center position of the card slot. Therefore, when the single, double or triple detection card is not inserted in place (and the single, double or triple detection card is relatively narrow in width, and the displacement of the handheld portable colloidal gold detector during detection will also cause the displacement of the detection card), the detection personnel without certain detection knowledge will have an adverse effect on the detection result. In summary, it is particularly necessary to provide a handheld portable colloidal gold detector that can be compatible with multiple detection cards. SUMMARY
[0004] In order to overcome the existing handheld portable colloidal gold detector due to the limitation of structure, there are disadvantages as described in the background art, the utility model provides based on portable colloidal gold detector body, application, the detection personnel can conveniently insert single, double or triple, quadruple detection card into the detection card slot, and can guarantee that different types of detection cards are fixed in the middle of the card slot, reduce the adverse effect of detection data caused by the displacement of detection card a kind of new handheld portable colloidal gold detector.
[0005] The technical scheme adopted by the utility model to solve its technical problems is:
[0006] A novel handheld portable colloidal gold detector, comprising a portable colloidal gold detector body, further comprising a limiting groove; the limiting groove has at least two, each limiting groove comprising a bayonet, a fixed shell and a spring, the inner side end and the upper end of the fixed shell are open structure, the spring has at least two, the outer sides of the two springs are fixedly installed on the upper and lower parts of the inner side end of the fixed shell, and the outer side end of the bayonet is fixedly installed on the inner side end of the two springs; the outer side end of the bayonet is located in the inner side end of the fixed shell, and the lower end of the two limiting grooves is installed in the lower end of the detection card station of the portable colloidal gold detector body.
[0007] Further, the upper outer side to the inner side of the two bayonets is an outer high and inner low circular arc structure, and the heights of the two bayonets are consistent.
[0008] Further, the front and rear width of the two bayonets is less than the front and rear width of the inner side end of the fixed shell, and the upper end height of the bayonet is higher than the height of the fixed shell, and the lower end of the bayonet is located in the upper end of the inner lower part of the fixed shell.
[0009] Further, the front and rear width of the inner side end of the bayonet is greater than the front and rear thickness of the detection card, and the height of the bayonet is lower than the height of the detection card.
[0010] Further, when the two bayonets are located at the inner stop point, the spacing between the inner outer side ends of the two bayonets is less than the width of the single detection card, and when the two bayonets are located at the outer stop point, the spacing between the inner outer side ends of the two bayonets is greater than the width of the quadruple detection card.
[0011] The utility model discloses a beneficial and significant effect compared with prior art is: in the utility model, because the spacing between the inside and outside end of two clamping ports is less than the width of single detection card, when two clamping ports are located at the outer stop point, the spacing between the inside and outside end of two clamping ports is slightly greater than the width of four detection cards, in this way, detection personnel insert single or two, three, four cards between two clamping ports, and under the elastic force of spring, two clamping ports move to the inside end, can effectively insert detection card between two clamping ports, reduce the adverse effect of detection data caused by detection card displacement. BRIEF DESCRIPTION OF DRAWINGS
[0012] The utility model will be further explained below combining with the drawings and examples.
[0013] Figure 1 It is the whole overhead plane structure schematic diagram of the utility model.
[0014] Figure 2 It is the whole side plane structure schematic diagram of the utility model.
[0015] Figure 3 It is the local structure schematic diagram of the utility model. DETAILED DESCRIPTION
[0016] Figure 1 、 2 , 3 shows a new type handheld portable colloidal gold detector, including portable colloidal gold detector body 1, still has the limit groove 2, the limit groove 2 has same two, and each limit groove 2 includes clamping port 21, fixed shell 22 and spring 23, and the inside end and the upper end of fixed shell 22 are open structure, and spring 23 has two, and the outside of two springs 23 is fixedly installed on the inside end upper and lower portion of fixed shell 22, and the outside end of clamping port 21 is fixedly installed on the inside end of two springs 23, the outside end of clamping port 21 is located in the inside end of fixed shell 22, and the lower end outside of two limit grooves 1 is welded in the detection card station 101 lower end of portable colloidal gold detector body 1, and colloidal gold detection card 102 is inserted into the inside of the clamping port 21 of two limit grooves from top to bottom.
[0017] Figure 1 、 2As shown in FIGS. 1-3, the upper outer side to the inner side of the two clamps 21 is an outer high and inner low circular arc structure 211, and the heights of the two clamps 21 are consistent. The outer front and rear width of the two clamps 21 is less than the inner side end front and rear width of the fixed shell 22, and the upper end height of the clamp 21 is higher than the height of the fixed shell 22, and the lower end of the clamp 21 is located at the upper end of the lower part of the fixed shell 22. The front and rear width of the inner side end of the clamp 21 is slightly larger than the front and rear thickness of the detection card 102, and the height of the clamp 21 is lower than the height of the detection card 102. When the two clamps 21 are located at the inner stop point, the distance between the inner side ends of the two clamps 21 is less than the width of the single detection card 102, and when the two clamps 21 are located at the outer stop point, the distance between the inner side ends of the two clamps 21 is slightly larger than the width of the four detection card 102.
[0018] Figure 1 、 2 As shown in FIGS. 1-3, the portable colloidal gold detector body has the advantages of simple operation, strong specificity, and high sensitivity, and is widely used in medical treatment, food safety, animal epidemic disease, and the like, and in particular, the portable colloidal gold detector body develops rapidly in the field of rapid detection of pesticide residues in vegetables. The portable colloidal gold detector body has a circular ring type light guide plate 103 in front of the colloidal gold detection card position in the inside of the portable colloidal gold detector body, and the middle part is empty, which provides uniform light for the colloidal gold detection card 102. The rear side of the light guide plate 103 is a CCD sensor 104, the probe of the CCD sensor 104 is located in the middle part of the hollow part of the light guide plate 103, the signal end of the CCD sensor 104 is connected to the control system board 105 in the portable colloidal gold detector body 1, and the control system board 105 is also connected to the liquid crystal display 106, the light guide plate 103, and the lithium battery 108. The lithium battery 108 supplies power to each electrical component. When the colloidal gold detection card 102 immersed in the liquid of vegetable and fruit samples is inserted into the card slot (between the inner sides of the two clamps 21) of the colloidal gold detection card position, the CCD sensor 104 recognizes the photoelectric (image) information of the colloidal gold detection card 102, and transmits the information to the control system board 105. After the control system board 105 converts the information into pesticide residue data (positive and negative results and pesticide residue concentration data), the detection result information is displayed on the liquid crystal screen of the liquid crystal display 106, and the detection personnel can intuitively understand the amount of pesticide residues in the vegetables and the like. The above-mentioned portable colloidal gold detector body 1 is a mature technology, and the working principle and technical scheme thereof are not protected in this application.
[0019] Figure 1 、 2, 3, in the new type, because the interval between the inner outer side ends of the two clamps 21 is less than the width of the single detection card 102, when the two clamps 21 are located at the outer stop point, the interval between the inner outer side ends of the two clamps 21 is slightly greater than the width of the four detection card 102, so that the detection personnel insert the single or two, three, four card 102 between the two clamps (from top to bottom, insert the detection card between the two clamps 21), under the elastic force of the two springs 23 of the two limiting grooves 2, the two clamps 102 move to the inner side end, effectively clamp the detection card 102 between the two clamps (the elastic force of the spring to the inside can prevent the detection card from loosening between the two clamps; when pulling out the detection card, because the spring is fixed between the two clamps, it can be pulled out upward conveniently), which reduces the adverse effect of detection data caused by the displacement of the detection card.
[0020] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.
[0021] In addition, it should be understood that, although the present application is described in the form of embodiments, the embodiments only contain one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A novel handheld portable colloidal gold detector, comprising a portable colloidal gold detector body, characterized in that, It also has a limiting slot; the limiting slot has at least two, each limiting slot includes a bayonet, a fixed shell and a spring, the inner side end and the upper end of the fixed shell are open structure, the spring has at least two, the outer side of the two springs is fixedly installed on the upper and lower parts of the inner side end of the fixed shell, the outer side end of the bayonet is fixedly installed on the inner side end of the two springs; the outer side end of the bayonet is located in the inner side end of the fixed shell, the lower end of the two limiting slots is installed in the lower end of the detection card station of the portable colloidal gold detector body, and the colloidal gold detection card is clamped into the inner side of the bayonet of the two limiting slots from top to bottom.
2. The novel hand-held portable colloidal gold detector according to claim 1, characterized in that, The upper part of the outer side to the inner side of the two bayonets is an outer high and inner low circular arc structure, and the heights of the two bayonets are consistent.
3. The novel hand-held portable colloidal gold detector according to claim 1, characterized in that, The front and back width of the two bayonets is less than the inner side end front and back width of the fixed shell, and the upper end height of the bayonet is higher than the fixed shell height, and the lower end of the bayonet is located in the upper end of the inner lower part of the fixed shell.
4. The novel hand-held portable colloidal gold detector according to claim 1, characterized in that, The front and back width of the inner side end of the bayonet is greater than the front and back thickness of the detection card, and the height of the bayonet is lower than the height of the detection card.
5. The novel hand-held portable colloidal gold detector according to claim 1, characterized in that, When the two bayonets are located at the inner stop point, the spacing between the inner side end of the two bayonets is less than the width of the single detection card, and when the two bayonets are located at the outer stop point, the spacing between the inner side end of the two bayonets is greater than the width of the four detection cards.