CN214122006U

CN214122006U - Test paper strip detection device

Info

Publication number: CN214122006U
Application number: CN202023281663.5U
Authority: CN
Inventors: 程一航; 胡恒龙
Original assignee: Shanghai Taihui Biotechnology Co ltd
Current assignee: Shanghai Taihui Biotechnology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-03
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of immunity detection devices, and discloses a test strip detection device which is matched with a mobile phone to detect the content of a fluorescent substance to be detected on a test strip, and comprises a cassette, a light source and a focusing module; the light source and the focusing module are both arranged in the dark box; the top of the cassette is provided with a light-transmitting opening for transmitting a light path, and the side of the cassette is provided with an insertion opening for horizontally inserting the test strip; the light-transmitting opening and the test strip region to be tested are arranged up and down correspondingly; the light source directly irradiates the test strip for exciting the fluorescent substance; the focusing module is arranged between the light-transmitting opening and the test strip region to be tested and used for adjusting the focal length of the mobile phone camera during photographing. The utility model discloses detection device cooperation mobile terminal such as cell-phone or flat board detects the test paper strip. The light source excites the fluorescent substance on the test strip, the content of the fluorescent substance is obtained by combining the picture shot by the mobile phone after excitation with the built-in software and program of the mobile phone and calibrating the picture with the preset standard curve. The detection device is small and exquisite, and convenient to carry has enlarged application environment scope.

Description

Test paper strip detection device

Technical Field

The utility model belongs to the technical field of immunodetection device, in particular to test paper strip detection device.

Background

The immunochromatography technology is one of the most important technologies of in-vitro diagnosis bedside examination technology, has the characteristics of strong specificity, simplicity in operation, rapidness and the like, and is widely applied to important fields of clinical diagnosis, environmental monitoring, food safety and the like. The technology is a detection method combining antigen-antibody specificity immunoreaction, chromatographic technology and chromatographic detection. The principle is as follows: the specific antibody is firstly fixed in a certain zone of the nitrocellulose membrane, after one end of the dried nitrocellulose membrane is immersed in a sample (urine or serum), the sample electrophoreses on the membrane made of strip-shaped fibers by virtue of capillary action, a substance to be detected is combined with a ligand in a certain area on the membrane to generate specific immunoreaction, and the area displays a certain color or emits a certain intensity of emitted light under the excitation of specific exciting light, so that qualitative or quantitative specific immunodiagnosis is realized.

After the sample to be detected reacts with the matching reagent, a corresponding detection device is needed to measure the parameters of the sample to be detected. The detection device sequentially acquires, analyzes and strengthens the functional processing through the image of the software, and finally obtains a test result. The immunochromatography technology is simple and rapid to operate, has good specificity and clear result, is easy to judge and store, only needs simple instruments and materials, and is commonly used for bedside detection and non-hospital large-area screening. In order to be widely applied to the basic application, the chromatographic detection device tends to be developed towards the direction of micro-size and portability.

However, the existing detection device cannot detect the reagent strip to be detected at any time and any place.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a test paper strip detection device has solved further expansion test paper strip detection device application environment scope, accomplishes the technical problem that can carry out the detection anytime and anywhere.

The utility model provides a technical scheme as follows: a test strip detection device is matched with a mobile phone and used for detecting the content of a fluorescent substance to be detected on a test strip, and comprises a dark box, a light source and a focusing module; the light source and the focusing module are both arranged in the dark box;

the top of the cassette is provided with a light-transmitting opening for transmitting a light path, and the side of the cassette is provided with an insertion opening for horizontally inserting the test strip; the light-transmitting opening and the test strip region to be tested are arranged up and down correspondingly;

the light source directly irradiates the test strip and is used for exciting a fluorescent substance;

the focusing module is arranged between the light-transmitting opening and the test strip area to be tested and used for adjusting the focal length of the mobile phone camera during photographing.

The area to be detected of the test strip is a light-emitting area where the fluorescent substance is located, namely, areas where the T line and the C line are located.

The light-transmitting opening is only used for collecting light rays reflected or refracted by the test strip into the camera of the mobile phone during testing; the cassette is used for ensuring that stray light interference is avoided during testing.

The mobile phone provides a camera, a light-transmitting opening for shading and a signal processing module for the detection device. The mobile phone is a common smart phone in the market, and can be replaced by a tablet and other smart mobile terminals.

As a further preferred, the cassette comprises an upper cassette body and a lower base plate which can be seamlessly snapped together; the lower bottom plate is provided with a test strip sliding seat; the focusing module and the light source are fixed on the inner wall of the upper box body. After the upper box body is buckled with the lower bottom plate, the upper box body is lighttight except for the top light-transmitting opening.

Further preferably, the length of the test strip detection device is less than that of the mobile phone; the test strip detection device also comprises an auxiliary support component for horizontally and stably supporting the mobile phone; the auxiliary supporting component is arranged on the outer side of the cassette in a push-pull folding or overturning folding mode.

As a further preference, the auxiliary support assembly comprises a horizontal support and a vertical support; one side of the horizontal support piece is rotationally connected with the cassette, and the other side of the horizontal support piece is rotationally connected with the vertical support piece; after the auxiliary supporting assembly is turned over, the top of the horizontal supporting piece is coplanar with the top of the cassette, and the vertical supporting piece is vertical to the coplanar; before turning over, the horizontal supporting piece is attached to the outer side of the cassette, and the vertical supporting piece is located between the cassette and the horizontal supporting piece.

As a further preferred, the auxiliary supporting component comprises two right-angle plates arranged in parallel and a connecting piece for connecting the two right-angle plates; a horizontal first sliding rail is arranged on the side surface of the cassette, the auxiliary supporting component is provided with a sliding block which is matched with the first sliding rail to slide, or a right-angle plate is directly connected with the first sliding rail in a sliding manner; when the inner pushing is carried out, the two right-angle plates are respectively attached to the corresponding side surfaces of the right-angle plates, and the connecting piece is attached to the other side surface; when the mobile phone is pulled outwards, the gravity center of the mobile phone falls into a frame formed by the top of the hidden box and the tops of the two right-angle plates.

As a further preference, the auxiliary support assembly comprises two straight rods, a U-shaped assembly and a vertical rod; the two straight rods are respectively and rotatably connected to two sides of the opening of the U-shaped component; the vertical rod is rotatably connected to the bottom of the U-shaped assembly; the outer wall of the cassette is provided with a second slide rail for the straight rod to horizontally slide; when the auxiliary supporting assembly is pushed inwards, the straight rod is perpendicular to the U-shaped assembly, the straight rod slides into the second sliding rail, the U-shaped assembly is attached to the outer wall of the cassette, and the vertical rod is rotatably arranged on a symmetrical shaft of the U-shaped assembly and embedded into a groove formed in the outer side of the cassette; when the auxiliary supporting assembly is pulled outwards, the straight rod slides out of the sliding rail, the straight rod is horizontally coplanar with the U-shaped assembly, and the vertical rod is vertically perpendicular to the horizontal plane where the U-shaped assembly is located.

As a further preferred option, a first limiting piece is arranged between the straight rod and the U-shaped component; the first limiting piece is a right-angle turnover piece and comprises a connecting part and a blocking part; the connecting part is provided with a through hole for the straight rod to pass through with the rotating shaft of the U-shaped component; two sides of the blocking part respectively extend to the outer sides of the straight rod and the U-shaped component; and a second limiting part is arranged on the outer side of the vertical rod of the U-shaped component.

As a further preference, the focusing module comprises a focusing lens; and a filter plate is arranged between the focusing module and the light-transmitting opening.

As a further preference, the bottom of the test strip slide is provided with an incubation unit.

As a further preference, the light source is a line light source or a surface light source; the light source is symmetrically arranged on the top or inner wall of the magazine corresponding to the lateral direction of the test strip.

Preferably, a dark soft rubber pad is embedded at the edge of the light-transmitting opening and is used for being attached to the back of the mobile phone in a light-shielding manner.

Preferably, the position of the test strip inserted into the insertion opening is adjustable, and the insertion opening is provided with a light-shielding barrier member in the area outside the test strip.

Further preferably, the light shielding barrier is a dark root-shaped plastic arranged from bottom to top.

As a further preferred, the focusing module is connected with a telescopic rod; the end part of the telescopic rod can slide along a horizontal sliding rail arranged on the inner wall of the cassette.

Or a sucker or a hook which can be directly fixed on the light-transmitting opening is arranged on the focusing module.

Has the advantages that: the utility model discloses a test paper strip detection device, the mobile terminal of cooperation cell-phone or flat board class detects the test paper strip, the utility model discloses a detection device is equipped with the magazine of light-resistant for get rid of the influence of other light, be equipped with the light source in the magazine, be used for arousing the fluorescent substance on the test paper strip, the photo after the excitation is shot to the cell-phone, and combine built-in software of cell-phone and procedure, obtain the content of fluorescent substance after its and the calibration of prefabricated standard curve, thereby accomplish whole test procedure, the cell-phone is taken everywhere by modern, and supporting device is less, and the cross-section can only be the half size of cell-phone face screen.

The utility model discloses the device is small and exquisite convenient, conveniently carries, is suitable for the smart mobile phone, can accomplish the anytime and anywhere test to the accuracy obtains test data.

Drawings

The above features, technical features, advantages and modes of implementation of a test strip detection device will be further described in the following detailed description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of the test strip detection device of the present invention;

FIG. 2 is a schematic view from another perspective of FIG. 1;

FIG. 3 is a schematic diagram of the auxiliary support assembly of the inspection device of FIG. 2 after being turned over;

FIG. 4 is a schematic view of a hollow frame-shaped horizontal support;

FIG. 5 is a schematic structural view of the detecting device with the upper case removed;

FIG. 6 is a schematic view of the detection device with the auxiliary support assembly in the direct push-pull mode;

FIG. 7 is a schematic structural diagram of a detection device adapted to mobile phones of various models and with adjustable test strip positions.

Description of the reference numerals

1-a cassette; 11-upper box body; 111-light-transmitting opening; 112-insertion opening; 113-a light-blocking barrier; 12-a lower base plate; 13-a test strip slide;

2-a light source; 3-a focusing module;

41-auxiliary support component; 41-horizontal support; 42-a vertical support; 43-square plate; 44-a connector; 45-a first slide rail;

5-a filter plate; 6-incubation Unit.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

Examples

As shown in fig. 1, 2 and 5, a test strip detection device, which is used in combination with a mobile phone to detect the content of a fluorescent substance to be detected on a test strip, includes a cassette 1, a light source 2 and a focusing module 3; the light source 2 and the focusing module 3 are both arranged in the cassette 1;

the top of the cassette 1 is provided with a light-transmitting opening 111 for transmitting a light path, and the side direction is provided with an insertion opening 112 for horizontally inserting the test strip; the light-transmitting opening 111 is arranged corresponding to the test strip region to be tested up and down;

as shown in fig. 5, a light source 2 is directed at the strip for excitation of the fluorescent substance;

the focusing module 3 is arranged between the light-transmitting opening 111 and the test strip region to be measured and used for adjusting the focal length of the mobile phone camera during photographing.

In practical use, the detection device is matched with a mobile terminal such as a mobile phone or a tablet to quantitatively detect the test strip, as shown in fig. 1 and 2, the test strip detection device comprises a cassette 1, an insertion opening 112 is formed in a side wall of the cassette 1, and the test strip inserted from the insertion opening 112 is vertically arranged corresponding to a light-transmitting opening 111 formed in the top of the cassette 1.

The inner wall of the cassette 1 is provided with a light source 2 which can directly irradiate the test strip to be tested area, the light source is used for exciting the fluorescent substance in the area, the excited fluorescent substance can emit light with a specific wavelength, after the mobile phone takes a picture, the shot picture is analyzed, and the specific content of the fluorescent substance is obtained after the shot picture is calibrated with a preset standard curve by combining with the software and the program which are arranged in the mobile phone. The method specifically comprises the steps that a standard curve of fluorescent substance luminous intensity-fluorescent substance content is prestored in a storage unit inside the mobile phone, after a picture is shot by a mobile phone camera, a signal processing unit processes a pixel signal in the picture to obtain luminous intensity, and then the standard curve in the storage unit is called and fitted to obtain the fluorescent substance content.

In actual use, the camera ranges of different models of mobile phones are different, and when a mobile phone with low configuration is used, the picture is blurred when the height of the cassette 1 is small. Therefore, through repeated adjustment, the effect that the definition of the picture can be effectively increased by adding the focusing module 3 with the focusing function in front of the lens is obtained. Through the effect of focusing module 3, change the propagation path of light path, further shorten the focus for the camera also can clap clearly when being nearer apart from the test paper strip.

In practical use, as shown in fig. 7, the size of the light-transmitting opening 111 can be adjusted according to practical needs, for example, the light-transmitting opening 111 can be provided with an opening mode corresponding to the size and the lens step according to a practical use model of the photographing device. The light-transmitting opening 111 can be designed to be large, so that the smart phone can adapt to the mainstream style of smart phones in the market.

In one embodiment, the cassette 1 comprises an upper case 11 and a lower base 12 which can be hermetically fastened together; the lower bottom plate 12 is provided with a test strip sliding seat 13; the focusing module 3 and the light source 2 are fixed on the inner wall of the upper box body 11.

In practical use, in order to conveniently open the cassette 1, the original components arranged in the cassette 1 are replaced and maintained, and the cassette 1 is designed into an upper box body 11 and a lower bottom plate 12. The two are buckled, a dark room which is light-proof can be obtained, and the dark room is used for eliminating the influence of other light rays during detection. The lower plate 12 is provided with a strip slide 13 for inserting and extracting a strip, the strip slide 13 is disposed below the light-transmitting opening 111, and the strip position can be limited after the strip is inserted. The strip slide 13 can be set to determine the strip position without sliding, so that the variation caused by the position change during the test is not increased.

In one embodiment, the length of the test strip detection device is less than the length of the mobile phone; the test strip detection device also comprises an auxiliary support component 4 for horizontally and stably supporting the mobile phone; the auxiliary support member 4 is provided outside the cassette 1 by push-pull folding or flip folding.

In actual use, the detection device is designed to be capable of being smaller and portable, and only necessary components can be mounted. The size is smaller than the size of the mobile phone, the widths are approximately equal, and the length is smaller than the length of the mobile phone. Because the size of the detection device is small, if the detection device is only put on the mobile phone without support, the mobile phone is unstable and cannot be horizontally fixed on the top of the detection device. Therefore, the auxiliary supporting component 4 is added, so that the mobile phone can be horizontally and stably supported when needed. The auxiliary supporting component 4 realizes supporting during testing, and can still be conveniently folded after testing.

In one embodiment, as shown in fig. 1 and 3, the auxiliary support assembly 4 includes a horizontal support 41 and a vertical support 42; one side of the horizontal support 41 is rotatably connected with the cassette 1, and the other side is rotatably connected with the vertical support 42; after the auxiliary supporting assembly 4 is turned over, the top of the horizontal supporting member 41 is coplanar with the top of the cassette 1, and the vertical supporting member 42 is vertical and coplanar; before being turned over, the horizontal support 41 is attached to the outside of the cassette 1, and the vertical support 42 is located between the cassette 1 and the horizontal support 41.

In one embodiment, as shown in fig. 6, the auxiliary support assembly 4 includes two parallel disposed right-angle plates 43 and a connecting member 44 connecting the two right-angle plates 43; a horizontal first sliding rail 45 is arranged on the side surface of the cassette 1, and the auxiliary supporting component 4 is provided with a sliding block which is matched with the first sliding rail 45 to slide, or a right-angle plate 43 is directly connected with the first sliding rail 45 in a sliding way; when the inner push is carried out, the two right-angle plates 43 are respectively attached to the corresponding side surfaces of the right-angle plates 43, and the connecting piece 44 is attached to the other side surface; when the mobile phone is pulled out, the gravity center of the mobile phone falls into a frame body formed by the top of the cassette 1 and the tops of the two right-angle plates 43.

In one embodiment, the auxiliary support assembly 4 comprises two straight rods, a U-shaped assembly and a vertical rod; the two straight rods are respectively and rotatably connected to the two sides of the opening of the U-shaped component; the vertical rod is rotatably connected to the bottom of the U-shaped assembly; the outer wall of the cassette 1 is provided with a second slide rail for the straight rod to horizontally slide; when the auxiliary supporting component 4 is pushed inwards, the straight rod is perpendicular to the U-shaped component, the straight rod slides into the second sliding rail, the U-shaped component is attached to the outer wall of the cassette 1, and the vertical rod is rotatably arranged on a symmetrical shaft of the U-shaped component and embedded into a groove formed in the outer side of the cassette 1; when the auxiliary supporting component 4 is pulled outwards, the straight rod slides out of the sliding rail, the straight rod is horizontally coplanar with the U-shaped component, and the vertical rod is vertically perpendicular to the horizontal plane where the U-shaped component is located.

In one embodiment, a first limiting piece is arranged between the straight rod and the U-shaped component; the first limiting piece is a right-angle turnover piece and comprises a connecting part and a blocking part; the connecting part is provided with a through hole for the straight rod to pass through with the rotating shaft of the U-shaped component; two sides of the blocking part respectively extend to the outer sides of the straight rod and the U-shaped component; the U-shaped component is provided with a second limiting part on the outer side of the vertical rod.

In practical use, the auxiliary supporting component 4 can be designed in various ways, one is a direct folding and rotating mode (fig. 1 to 3), the other is a direct push-pull mode (fig. 6), and the other is a folding and push-pull combined mode. In the direct folding mode shown in fig. 3, the horizontal supporting member 41 is expanded to be horizontal, and the vertical supporting member 42 is expanded to be vertical. The horizontal supporting member 41 is plate-shaped (fig. 3) or hollow frame-shaped (fig. 4); can be square or U-shaped. In the direct push-pull mode shown in fig. 3, the frame body can be directly pulled in and pulled out along the first slide rail 45, so as to extend and shorten the length of the frame body. By combining the push-pull and folding modes, the auxiliary supporting component 4 can increase the length through folding and can also adjust the length through push-pull.

In one embodiment, as shown in fig. 5, the focusing module 3 includes a focusing lens; a filter 5 is arranged between the focusing module 3 and the light-transmitting opening 111.

In practical use, the focusing lens may be one to a plurality of convex lenses arranged in sequence. And obtaining a specific convex lens number range according to the calculation of the focal length and the height of the specific inspection device. The convex lens is a common focusing element, is convenient to obtain and is low in price.

In one embodiment, as shown in FIG. 5, the bottom of the strip slide 13 is provided with an incubation unit 6.

In practical use, the test strip is in different test environments, and the antigen and the antibody on the immune test strip have different sensitivity degrees at different temperatures, so that different test results can be obtained in different environments. The incubation unit 6 is provided with a fixed temperature, so that the environment can be regulated to the set temperature during testing, and the testing accuracy can be effectively ensured.

In one embodiment, the light source 2 is a line light source or a surface light source; the light source 2 is symmetrically arranged on the top or inner wall of the magazine 1 corresponding to the lateral direction of the test strip.

In actual use, the test strip is in a strip shape, the point light source emits light which is not uniformly dispersed, and the light irradiated on the test strip is different when the point light source is positioned at different positions, so that the error of the test data is larger. The variable can be further reduced by arranging symmetrical line light sources or surface light sources, so that excitation light can be relatively uniformly irradiated on the test strip, the light at each position is basically the same, and the accuracy of test data is improved.

In one embodiment, as shown in fig. 7, a dark soft rubber pad is embedded at the edge of the light-transmitting opening 111 for light-shielding attachment with the back of the mobile phone.

In actual use, soft rubber can avoid light and laminate at the back of cell-phone for light can avoid completely, reduces the error of test.

In one embodiment, the position of the insertion opening 112 for inserting the test strip is adjustable, and the insertion opening 112 is provided with a light-shielding barrier 113 at the region outside the test strip.

In one embodiment, the light blocking barrier 113 is a dark root-shaped plastic disposed from the bottom up.

In practical use, the detection device is matched with the positions of the cameras of different mobile phones, and the top light-transmitting opening 111 is enlarged. Correspondingly, the test paper strip slide seat 13 below the test paper strip slide seat can be horizontally arranged, the position is adjustable, and the corresponding test paper strip can slide left and right to realize fine adjustment. The insertion opening 112 is also opened a little bit correspondingly, and the position where the test strip is inserted is covered by the light-shielding barrier 113. The dark root-shaped plastic is soft brush which is similar to the fluff on the toothbrush and is soft, easy to push down under the action of external force and still can stand up when recovered. The dark soft brush at the insertion position of the test strip falls down along with the push of the test strip, and the test strip can be quickly ridged when being pulled out. The arrangement of the brush from bottom to top aims to prevent the color development area of the upward-facing test strip from being scraped by the brush to influence the detection result.

In one embodiment, the focusing module 3 is connected with a telescopic rod; the end of the telescopic rod can slide along a horizontal sliding rail arranged on the inner wall of the cassette 1.

Or, the focusing module 3 is provided with a sucker or a hook which can be directly fixed on the light-transmitting opening 111.

In actual use, the position of the mobile phone camera is not fixed, and the position of the focusing unit is adjustable, so that the telescopic rod is convenient to move left and right, and the slide rail is convenient to move horizontally front and back. Similar to the X-axis and Y-axis motion.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a test paper strip detection device, cooperation cell-phone is used for detecting the content of the fluorescent substance that awaits measuring on the test paper strip, its characterized in that: comprises a cassette, a light source and a focusing module; the light source and the focusing module are both arranged in the dark box;

2. The test strip detection device of claim 1, wherein: the cassette comprises an upper box body and a lower bottom plate which can be seamlessly buckled; the lower bottom plate is provided with a test strip sliding seat; the focusing module and the light source are fixed on the inner wall of the upper box body.

3. The test strip detection device of claim 1, wherein: the mobile phone support device also comprises an auxiliary support component for horizontally and stably supporting the mobile phone; the auxiliary supporting component is arranged on the outer side of the cassette in a push-pull folding or overturning folding mode.

4. The test strip detection device of claim 3, wherein: the auxiliary support assembly comprises a horizontal support and a vertical support; one side of the horizontal support piece is rotationally connected with the cassette, and the other side of the horizontal support piece is rotationally connected with the vertical support piece; after the auxiliary supporting assembly is turned over, the top of the horizontal supporting piece is coplanar with the top of the cassette, and the vertical supporting piece is vertical to the coplanar; before turning over, the horizontal supporting piece is attached to the outer side of the cassette, and the vertical supporting piece is located between the cassette and the horizontal supporting piece.

5. The test strip detection device of claim 3, wherein: the auxiliary supporting component comprises two right-angle plates arranged in parallel and a connecting piece for connecting the two right-angle plates; a horizontal first sliding rail is arranged on the side surface of the cassette, the auxiliary supporting component is provided with a sliding block which is matched with the first sliding rail to slide, or a right-angle plate is directly connected with the first sliding rail in a sliding manner; when the inner pushing is carried out, the two right-angle plates are respectively attached to the corresponding side surfaces of the right-angle plates, and the connecting piece is attached to the other side surface; when the mobile phone is pulled outwards, the gravity center of the mobile phone falls into a frame formed by the top of the hidden box and the tops of the two right-angle plates.

6. The test strip detection device of claim 3, wherein: the auxiliary supporting assembly comprises two straight rods, a U-shaped assembly and a vertical rod; the two straight rods are respectively and rotatably connected to two sides of the opening of the U-shaped component; the vertical rod is rotatably connected to the bottom of the U-shaped assembly; the outer wall of the cassette is provided with a second slide rail for the straight rod to horizontally slide; when the auxiliary supporting assembly is pushed inwards, the straight rod is perpendicular to the U-shaped assembly, the straight rod slides into the second sliding rail, the U-shaped assembly is attached to the outer wall of the cassette, and the vertical rod is rotatably arranged on a symmetrical shaft of the U-shaped assembly and embedded into a groove formed in the outer side of the cassette; when the auxiliary supporting assembly is pulled outwards, the straight rod slides out of the sliding rail, the straight rod is horizontally coplanar with the U-shaped assembly, and the vertical rod is vertically perpendicular to the horizontal plane where the U-shaped assembly is located.

7. The test strip detection device of claim 6, wherein: a first limiting piece is arranged between the straight rod and the U-shaped component; the first limiting piece is a right-angle turnover piece and comprises a connecting part and a blocking part; the connecting part is provided with a through hole for the straight rod to pass through with the rotating shaft of the U-shaped component; two sides of the blocking part respectively extend to the outer sides of the straight rod and the U-shaped component; and a second limiting part is arranged on the outer side of the vertical rod of the U-shaped component.

8. The test strip detection device of claim 1, wherein: the focusing module comprises a focusing lens; and a filter plate is arranged between the focusing module and the light-transmitting opening.

9. The test strip detection device of claim 2, wherein: an incubation unit is arranged at the bottom of the test strip sliding seat.

10. The test strip detection device of claim 1, wherein: the light source is a linear light source or a surface light source; the light source is symmetrically arranged on the top or inner wall of the magazine corresponding to the lateral direction of the test strip.

11. The test strip detection device of claim 1, wherein: dark soft rubber pad is inlayed at light inlet edge for with the cell-phone back light-resistant laminating.