CN115902088B - Nanometer titanium dioxide photocatalysis screen virus killing performance testing device - Google Patents
Nanometer titanium dioxide photocatalysis screen virus killing performance testing device Download PDFInfo
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- CN115902088B CN115902088B CN202310218469.1A CN202310218469A CN115902088B CN 115902088 B CN115902088 B CN 115902088B CN 202310218469 A CN202310218469 A CN 202310218469A CN 115902088 B CN115902088 B CN 115902088B
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Abstract
The invention relates to the technical field of virus detection. The invention discloses a nano titanium dioxide photocatalytic screen virus killing performance testing device, which comprises a test tube body, wherein a titanium net and a testing component are arranged in the test tube body, the testing component is arranged in a sealing tube, the testing component comprises a collecting swab head, the collecting swab head extends out of the sealing tube to the bottom surface of the titanium net, after the collecting swab head is continuously contacted with the sealing tube for a set time, the collecting swab head is soaked in a liquid storage tube, after the set time, a sampling liquid in the liquid storage tube is dripped in a test paper box, and a result of whether the virus killing performance of the titanium net is qualified or not is obtained based on the color change in the test paper box; the nano titanium dioxide photocatalytic screen virus disinfection performance testing device is simple in structure, convenient to operate, flexible to use, and convenient for laboratory personnel to operate, and meets the requirement of virus collection and test of a titanium net.
Description
Technical Field
The invention relates to the field of virus detection, in particular to a nano titanium dioxide photocatalytic screen virus killing performance testing device.
Background
The disinfection epidemic prevention robot is called as disinfection robot for short, and the robot is a carrier. The existing sterilizing robots in the market mostly adopt disinfectant spraying, ultrasonic atomization and ultraviolet sterilization methods; according to the research of domestic and foreign patents, the research shows that: spraying disinfectant, sterilizing effect is not obvious and can cause corrosion to the ground, and is harmful to human health, eyes, respiratory tract systems or skin are stimulated or damaged, ultrasonic atomization and ultraviolet disinfectant can not be used as daily disinfection measures, respiratory tract infection can be caused by long-term contact, bronchial mucosa and alveoli are damaged, or anaphylactic reaction occurs, especially for old, young women and children with low immunity, viral transmission is blocked, and the effect of environment disinfection is limited.
The applicant improves the mode of the disinfection robot, adopts nano titanium dioxide to prepare a corresponding screen to disinfect viruses under the condition of photocatalysis, however, when the screen is researched and developed, the disinfection capability of the screen is required to be further tested, and the traditional acquisition and detection test mode is too dependent on manpower, and is very troublesome when the acquisition and detection test is carried out on the other side surface of the screen.
Disclosure of Invention
The invention aims to solve the problems and provide the nano titanium dioxide photocatalytic screen virus disinfection performance testing device which is simple in structure and reasonable in design.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a nano titanium dioxide photocatalysis screen cloth virus disinfection performance testing arrangement, includes the test tube body, the test tube body includes upper junction portion, test portion and lower junction portion, upper junction portion and lower junction portion are connected the tuber pipe respectively, titanium net has been placed to the inside of test portion, the below of titanium net is provided with sealed tube, test assembly and drive arrangement, the tuber pipe above the titanium net is the air-supply line, blows in the air admission test tube body that has corresponding virus, the tuber pipe below the titanium net is the tuber pipe that goes out, test assembly sets up in the sealed tube, test assembly includes gathers the swab head, drive arrangement drives to gather the swab head and stretches out to the bottom surface of titanium net from the sealed tube, after the time of continuous contact settlement, will gather the swab head and soak in the stock solution intraductally, after the time of settlement, will stock solution intraductal sampling liquid drops in the test paper box, based on the colour change in the test paper box, obtains the qualified result of this titanium net's virus disinfection performance.
As a further optimization scheme of the invention, a screen socket sealing part is arranged on the surface of the test part corresponding to the position of the titanium mesh, and a test piece replacement sealing part is arranged on the surface of the test part corresponding to the position of the test paper box.
As a further optimization scheme of the invention, the sealing tube comprises a fixing part, wherein the surface of the fixing part is provided with an extending hole, the extending hole is covered with a movable door plate, and the movable door plate can move transversely to open or close the extending hole.
As a further optimization scheme of the invention, the driving device drives the test assembly and the movable door plate to transversely move or move upwards until the collecting swab head is contacted with the bottom surface of the titanium mesh.
As a further optimization scheme of the invention, the test component comprises a connecting rod piece, the connecting rod piece comprises a bottom pipe piece, an upper rod piece is inserted into the upper end of the bottom pipe piece, the upper rod piece is fixedly connected with the top wall of the sealing pipe, a push rod piece is fixedly connected to the surface of the bottom pipe piece, one end of the push rod piece is in sliding connection with the movable door plate, a liquid storage pipe is fixedly connected to the push rod piece, and the collecting swab head is clamped in the upper end head of the liquid storage pipe.
As a further optimization scheme of the invention, the liquid storage tube comprises a tube shell, wherein the interior of the tube shell is stored with sampling liquid, and the bottom of the tube shell is provided with a sealing leather sheath; the test piece replacement sealing part is composed of two groups of semi-ring pipes, the joint of the two groups of semi-ring pipes and the test part is sealed, the inner wall of the semi-ring pipe is fixedly connected with a test piece, the test piece comprises a middle pipe and a bottom plate arranged at the bottom of the middle pipe, and the test paper box is arranged on the surface of the bottom plate; the inside fixedly connected with guide needle tubing of well pipe, guide needle tubing's lower extreme corresponds the test paper box sets up.
As a further optimization scheme of the invention, the driving device comprises a lifting driving assembly, a movable outer tube, a rotary pipe fitting and a pull plate, wherein the driving end of the lifting driving assembly penetrates through the movable outer tube and is connected with the pull plate, the rotary pipe fitting is arranged in the pull plate, a clamping groove part is formed in the outer surface of the rotary pipe fitting, a clamping head is fixedly connected with the inner wall of the pull plate, the clamping head is inserted into the clamping groove part to slide, the upper end head of the rotary pipe fitting is provided with a rotary plate, and a clamping block part is arranged on the outer surface of the rotary plate.
As a further optimization scheme of the invention, the movable outer tube comprises an outer tube shell, a bottom rotating groove, a middle rotating groove and a top rotating groove are sequentially formed in the inner wall of the outer tube shell from bottom to top, an upper slide way is formed between the top rotating groove and the middle rotating groove, a lower slide way is formed between the bottom rotating groove and the middle rotating groove, the upper slide way is not communicated with the lower slide way, and the clamping block piece can rotate in the bottom rotating groove, the middle rotating groove or the top rotating groove.
As a further optimization scheme of the invention, the upper end of the rotating plate is fixedly connected with a supporting pipe, the upper end of the supporting pipe is fixedly connected with a rotating plate, the upper end of the rotating plate is provided with a movable clamping plate, the surface of the rotating plate is provided with an arc-shaped chute, the surface of the movable clamping plate is provided with a strip-shaped chute, the bottom end of the bottom pipe fitting penetrates through the strip-shaped chute of the movable clamping plate and then is inserted into the arc-shaped chute of the rotating plate, and the movable clamping plate and the rotating plate form the bottom of the sealing pipe.
As a further optimization scheme of the invention, the side wall of the movable clamping plate is fixedly connected with the limiting slide block, and the movable clamping plate is slidably connected to the inner wall of the test part through the limiting slide block.
As a further optimization scheme of the invention, the inside of the sealing tube is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with the movable door plate, the inner wall surface of the movable door plate is provided with an up-and-down slideway, and the push rod piece is inserted into the up-and-down slideway to slide up and down.
As a further optimization scheme of the invention, the surfaces of the upper connecting part and the lower connecting part are connected with sealing reinforcement parts.
The invention has the beneficial effects that: the invention is convenient for testing and using the titanium net, is convenient for replacing the titanium net for a plurality of times, is convenient for cyclic testing and using, has simple structure, convenient operation and flexible use, meets the requirement of virus collection and testing of the titanium net, and is convenient for laboratory personnel to operate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic elevational view of the FIG. 1 structure of the present invention;
FIG. 3 is a schematic view showing the internal structure of the test part of the present invention;
FIG. 4 is a schematic view of the structure of the moving door panel of the present invention after actuation;
FIG. 5 is a schematic view showing the structure of the liquid storage tube after being moved up;
FIG. 6 is a schematic view of the structure of the liquid storage tube of the present invention when the liquid storage tube moves down;
FIG. 7 is a schematic diagram of the structure of the liquid storage tube and the middle tube of the present invention;
fig. 8 is a schematic structural view of the driving device of the present invention;
FIG. 9 is a schematic view of the structure of the rotating plate of the present invention;
FIG. 10 is a schematic diagram of a mobile card of the present invention;
FIG. 11 is a schematic view of the internal structure of the outer tube housing of the present invention;
FIG. 12 is a schematic view of the structure of the transfer plate member of the present invention;
FIG. 13 is a schematic view of the structure of the test piece replacement closure of the present invention;
fig. 14 is a schematic view of the inner wall structure of the moving door panel of the present invention.
In the figure: 1. a test tube body; 11. an upper connection part; 12. a test section; 121. a screen socket closing portion; 122. replacing the sealing part with a test piece; 13. a lower connecting part; 2. sealing the reinforcement; 3. titanium mesh; 4. sealing the tube; 41. a fixing part; 42. moving the door panel; 421. an upper slideway and a lower slideway; 5. a connecting rod piece; 51. a bottom pipe fitting; 52. an upper rod piece; 53. a pushing rod piece; 54. a liquid storage tube; 541. a tube housing; 542. collecting a swab head; 543. sealing the leather sheath; 6. a test piece; 61. a middle tube; 611. a guide needle tube; 62. a bottom plate; 63. a test paper box; 7. a driving device; 71. moving the outer tube; 711. an outer tube housing; 712. a bottom rotating groove; 713. a middle rotary groove; 714. a top turn tank; 715. a slide way is arranged; 716. a glidepath; 72. a support tube; 73. a rotating plate; 731. an arc chute; 74. moving the clamping plate; 741. a strip-shaped chute; 75. a limit slider; 76. a rotary pipe fitting; 761. a clamping groove piece; 762. a swivel plate member; 763. a clamping block piece; 77. pulling a plate; 771. a chuck.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
Example 1
As shown in fig. 1 to 4, the nano titanium dioxide photocatalytic screen virus killing performance testing device comprises a test tube body 1, the test tube body 1 comprises an upper connecting part 11, a testing part 12 and a lower connecting part 13, the upper connecting part 11 and the lower connecting part 13 are respectively connected with air pipes, a titanium net 3 is placed in the testing part 12, a sealing pipe 4, a testing component and a driving device 7 are arranged below the titanium net 3, the air pipe above the titanium net 3 is an air inlet pipe, air with corresponding viruses is blown into the test tube body 1, the air pipe below the titanium net 3 is an air outlet pipe, the testing component is arranged in the sealing pipe 4, the testing component comprises a collecting swab head 542, the driving device 7 drives the collecting swab head 542 to extend out of the sealing pipe 4 to the bottom surface of the titanium net 3, after the collecting swab head 542 is soaked in a liquid storage pipe 54 for a set time, sampling liquid drops in the liquid storage pipe 54 are placed in a box 63 after the set time, and a result of whether the virus killing performance of the titanium net 3 is qualified or not is obtained based on color change in the liquid storage box 63.
It should be noted that, in this embodiment, the description is based on the contents of fig. 1 and fig. 2 and part of fig. 3, and in this embodiment, the testing device may also be used in combination with a corresponding image capturing assembly, a control device and a display screen, specifically:
the test tube body 1 is respectively connected with corresponding air pipes through an upper connecting part 11 and a lower connecting part 13, wherein the air inlet pipe connected with the upper connecting part 11 blows in air with corresponding viruses, so that the air passes through the surface of the titanium net 3, whether viruses exist on the surface of the other side of the titanium net 3 or not is tested, and when the air is blown, the viruses penetrate through the titanium net 3, so that the virus disinfection performance of the titanium net 3 is known.
In practical use, it should be noted that, when the corresponding sealing space, i.e. the sealing tube 4, is disposed below the titanium mesh 3, so as to prevent the sampling swab head 542 from being affected by air during preliminary blowing, so that the sampling swab head 542 is dried or contaminated by virus in the air passing through the titanium mesh 3 (except when the virus permeability is tested alone), the driving device 7 in this embodiment may adopt a multi-joint manipulator or other moving mechanism to drive the sampling swab head 542 to extend out of the sealing tube 4, contact with the surface of the titanium mesh 3, then contact with the sampling liquid in the liquid storage tube 54, and finally drop the sampling liquid in the test paper box 63 (all of which is completed by the manipulator), so as to obtain the performance of the titanium mesh 3 based on the change of the test paper in the test paper box 63.
The control device can adopt a singlechip for control, the camera is used for collecting color change in the test paper box 63, and the display screen is used for displaying information collected by the camera or is matched with a corresponding image recognition system to obtain a final result.
In this embodiment, the single chip microcomputer is a typical embedded microcontroller (Microcontroller Unit) and is composed of an arithmetic unit, a controller, a memory, an input/output device and the like, which corresponds to a microcomputer. It emphasizes self-provisioning (without external hardware) and cost savings over general-purpose microprocessors used in personal computers. Its advantages are small size, easy installation, less storage, simple input and output interface and low consumption of functions. In this embodiment, the model of the singlechip is not required; the camera is a high-definition camera optimally.
Further, the surfaces of the upper connecting part 11 and the lower connecting part 13 are respectively connected with a sealing reinforcement 2 for fastening the connection with the corresponding air duct to prevent leakage.
Of course, when the device in this application is used, the test should be performed in the closed space, and the corresponding protection requirement should be satisfied, and when the camera and the display screen are not used, the test part 12 may be optimally set to be transparent, so as to facilitate the observation of the change of the test paper box 63; of course, the test paper cassette 63 may be taken out for observation, taking care of protection; an ultraviolet lamp may be provided above the titanium mesh 3 for use, and the ultraviolet lamp may be attached to the inner wall of the test part 12.
Example 2
On the basis of the above-described embodiment 1, it is further noted that, as shown in fig. 1 to 14:
specifically, the surface of the test part 12 is provided with a screen socket sealing part 121 corresponding to the titanium mesh 3, the surface of the test part 12 is provided with a test piece replacement sealing part 122 corresponding to the test paper box 63, and both the two parts can be connected with a sealing strip and a screw for fixing.
The screen socket closing part 121 is a sealing door body, and is used for closing or opening a port where the titanium mesh 3 can be placed, and a corresponding limiting piece is arranged on the inner wall of the testing part 12, so that the titanium mesh 3 can be conveniently plugged in, and the titanium mesh 3 cannot move up and down in the testing part 12.
The test piece replacement sealing part 122 is actually formed by two groups of semi-ring pipes, the joint of the two groups of semi-ring pipes and the test part 12 is sealed, the inner wall of the semi-ring pipe is fixedly connected with the test piece 6, the test piece 6 comprises a middle pipe 61 and a bottom plate 62 arranged at the bottom of the middle pipe 61, and the test paper box 63 is placed on the surface of the bottom plate 62; the inside of the middle tube 61 is fixedly connected with a guide needle tube 611, and the lower end of the guide needle tube 611 is arranged corresponding to the test paper box 63.
It should be further noted that, the test part 12 may be cut off directly at the position of the test part replacement sealing part 122, or may be hollowed out, so that the insertion of the middle tube 61 and the bottom plate 62 is not affected, and the test part replacement sealing part 122 may be butted together in a semi-circular tube shape, so as to seal the surface of the test part 12.
Further, the sealing tube 4 includes a fixing portion 41, and an extending hole is formed in the surface of the fixing portion 41, the extending hole is covered with a moving door plate 42, and the moving door plate 42 can move laterally to open or close the extending hole.
Still further defined, the drive means 7 drives the test assembly to traverse or move up the moving door panel 42 until the collection swab head 542 contacts the bottom surface of the titanium mesh 3.
Specifically, the test assembly includes a connection rod 5, the connection rod 5 includes a bottom pipe 51, an upper rod 52 is inserted at the upper end of the bottom pipe 51, the upper rod 52 is fixedly connected with the top wall of the sealing tube 4, a push rod 53 is fixedly connected with the surface of the bottom pipe 51, one end of the push rod 53 is slidably connected with the moving door plate 42, a liquid storage tube 54 is fixedly connected with the push rod 53, and the collecting swab head 542 is clamped in the upper end of the liquid storage tube 54.
Further, the liquid storage tube 54 includes a tube housing 541, a sampling liquid is stored in the tube housing 541, and a sealing sheath 543 is disposed at the bottom of the tube housing 541.
It should be noted that, the collecting swab head 542 is clamped in the upper end of the liquid storage tube 54, the clamping is only a traditional elastic clamping, such as an elastic rubber member with an arc surface is inserted into the groove, when the bottom tube 51 moves up continuously, the collecting swab head 542 will be forcibly released from the clamping due to the force, so as to drop into the liquid storage tube 54, and when the liquid storage tube 54 moves down, the sealing leather sheath 543 will be punctured by the guiding needle tube 611, so that the corresponding liquid falls down into the test paper box 63.
Further, in the present embodiment, the following driving device 7 is disclosed:
specifically, the driving device 7 includes a lifting driving assembly, a moving outer tube 71, a rotating tube 76 and a pulling plate 77, the driving end of the lifting driving assembly penetrates through the moving outer tube 71 and is connected with the pulling plate 77, the rotating tube 76 is disposed inside the pulling plate 77, a clamping groove 761 is formed in the outer surface of the rotating tube 76, a clamping head 771 is fixedly connected to the inner wall of the pulling plate 77, the clamping head 771 is inserted into the clamping groove 761 to slide, a rotating plate 762 is disposed at the upper end of the rotating tube 76, and a clamping block 763 is disposed on the outer surface of the rotating plate 762.
Further, the movable outer tube 71 includes an outer tube housing 711, a bottom rotating groove 712, a middle rotating groove 713 and a top rotating groove 714 are sequentially formed in the inner wall of the outer tube housing 711 from bottom to top, an upper slide 715 is formed between the top rotating groove 714 and the middle rotating groove 713, a lower slide 716 is formed between the bottom rotating groove 712 and the middle rotating groove 713, the upper slide 715 is not communicated with the lower slide 716, and the clamping block piece 763 can rotate in the bottom rotating groove 712, the middle rotating groove 713 or the top rotating groove 714.
Further, the upper end of the rotating plate 762 is fixedly connected with the supporting tube 72, the upper end of the supporting tube 72 is fixedly connected with the rotating plate 73, the upper end of the rotating plate 73 is provided with the moving clamping plate 74, the surface of the rotating plate 73 is provided with the arc-shaped chute 731, the surface of the moving clamping plate 74 is provided with the strip-shaped chute 741, the bottom end of the bottom pipe fitting 51 penetrates through the strip-shaped chute 741 of the moving clamping plate 74 and then is inserted into the arc-shaped chute 731 of the rotating plate 73, and the moving clamping plate 74 and the rotating plate 73 form the bottom of the sealing tube 4.
Further, a limiting slider 75 is fixedly connected to a side wall of the moving clamping plate 74, and the moving clamping plate 74 is slidably connected to an inner wall of the testing portion 12 through the limiting slider 75.
It is also necessary to supplement that the inside of the sealing tube 4 is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with the moving door plate 42, the inner wall surface of the moving door plate 42 is provided with an up-down slideway 421, and the push rod piece 53 is inserted into the up-down slideway 421 to slide up and down.
Specifically, when the driving device 7 works, the pulling plate 77 is driven to move up and down by the lifting driving assembly, and the lifting driving assembly can select an air cylinder, a hydraulic rod and other telescopic moving components, initially, the rotating plate 762 and the clamping block 763 are all located in the middle rotating groove 713, and the clamping block 763 is located at the end of the lower slideway 716, when the driving end of the lifting driving assembly moves up, namely, the pulling plate 77 moves up, the clamping block 763 in the rotating plate 76 cannot move up, so that the pulling plate 77 drives the rotating plate 76 to rotate by the clamping head 771 until the clamping block 763 enters the end of the upper slideway 715, at this time, along with the rotation of the whole rotating plate 76, the rotating plate 73 is rotated, and the bottom end of the bottom pipe 51 is limited by the arc-shaped sliding groove 731 and the bar-shaped sliding groove 741, so as to move towards the center of the testing part 12, and the connection of the pushing rod 53 and the moving door plate 42 is pushed open; the pull plate 77 continues to move upward, and the clamping block piece 763 moves upward in the upper slide 715, so that the bottom pipe fitting 51 and the liquid storage pipe 54 with the collecting swab head 542 move upward until the collecting swab head 542 contacts with the bottom surface of the titanium mesh 3, and collecting is completed; after that, the pull plate 77 is moved up to the limit, so that the collection swab head 542 drops into the liquid storage tube 54, the pull plate 77 is moved down again, when the clamping block piece 763 enters the end of the upper slideway 715, that is, the rotating plate piece 762 reaches the position of the middle rotating groove 713, at this time, the clamping block piece 763 is limited again, so that the bottom pipe piece 51 and the moving door plate 42 are reset, when the clamping block piece 763 rotates to the end of the lower slideway 716, the pull plate 77 continues to move down, so that the liquid storage tube 54 contacts with the guide needle tube 611 in the middle pipe 61, and after the guide needle tube 611 is inserted into the liquid storage tube 54, the liquid drops into the test paper box 63, so as to complete the corresponding virus detection.
Furthermore, it should be noted that the sealing leather sheath 543 may be thicker, and may have a good sealing effect after being separated from the guiding needle tube 611; the middle tube 61 is not necessarily a solid tube body, but may be a tube body with a grooved surface, which only provides corresponding support for the guide needle tube 611; the surface opening of the test section 12 (for use in connection with the lift drive assembly and pull plate 77) is relatively short, and dynamic seals, such as rubber folding plates, may be added for use in conjunction therewith.
Furthermore, the virus condition of the air after passing through the titanium mesh 3 can be tested, and the air can be deformed and used according to the principle; before the use of the device, a wet collection swab head 542 should be installed; the test paper box 63 is a detection card of the corresponding virus, and in actual use, the detection card corresponding to the corresponding virus can be selected to be matched with the device.
It should be noted that, this nano titanium dioxide photocatalysis screen cloth virus disinfects capability test device, when using, whole device is convenient for carry out experimental test to titanium net 3 and uses, is convenient for change titanium net 3 many times, and cyclic test uses, and whole device simple structure, convenient operation uses in a flexible way, satisfies the virus collection test of titanium net 3 and uses, makes things convenient for laboratory personnel to operate.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (10)
1. The nano titanium dioxide photocatalysis screen virus disinfection performance testing device is characterized by comprising a test tube body (1), wherein the test tube body (1) comprises an upper connecting part (11), a testing part (12) and a lower connecting part (13), the upper connecting part (11) and the lower connecting part (13) are respectively connected with air pipes, a titanium net (3), a sealing pipe (4), a testing component and a driving device (7) are arranged in the testing part (12), the air pipes above the titanium net (3) are air inlet pipes, air with corresponding viruses is blown into the test tube body (1), the air pipes below the titanium net (3) are air outlet pipes, the testing component is arranged in the sealing pipe (4), the testing component comprises a collecting swab head (542), the driving device (7) drives the collecting swab head (542) to extend out of the bottom surface of the titanium net (3) from the sealing pipe (4), after the titanium net (3) is continuously contacted with the titanium net, the collecting swab head (542) is soaked in a liquid storage pipe (54), after the titanium net (3) is continuously contacted with the titanium net, the titanium net is continuously contacted with the titanium net (3), whether the color of a liquid in a paper box (63) is changed or not, and whether the color of the titanium box (63) is qualified or not is detected, and the result is obtained; the liquid storage tube (54) and the test paper box (63) are arranged in the test tube body (1).
2. The nano-titanium dioxide photocatalytic screen virus killing performance testing device according to claim 1, wherein a screen socket sealing part (121) is arranged on the surface of the testing part (12) corresponding to the position of the titanium screen (3), and a test piece replacement sealing part (122) is arranged on the surface of the testing part (12) corresponding to the position of the test paper box (63).
3. The nano-titania photocatalytic screen virus killing performance testing device according to claim 2, wherein the sealing tube (4) comprises a fixing portion (41), an extending hole is formed in the surface of the fixing portion (41), the extending hole is covered with a movable door plate (42), and the movable door plate (42) can move transversely to open or close the extending hole.
4. The nano-titania photocatalytic screen virus killing performance testing device according to claim 3, wherein the driving device (7) drives the testing component to move transversely or upwards with the movable door plate (42) until the collecting swab head (542) is in contact with the bottom surface of the titanium mesh (3).
5. The nano-titania photocatalytic screen virus killing performance testing device according to claim 4, wherein the testing component comprises a connecting rod piece (5), the connecting rod piece (5) comprises a bottom pipe piece (51), an upper rod piece (52) is inserted into the upper end of the bottom pipe piece (51), the upper rod piece (52) is fixedly connected with the top wall of the sealing pipe (4), a push rod piece (53) is fixedly connected with the surface of the bottom pipe piece (51), one end of the push rod piece (53) is in sliding connection with the movable door plate (42), the push rod piece (53) is fixedly connected with a liquid storage pipe (54), and the collecting swab head (542) is clamped in the upper end head of the liquid storage pipe (54).
6. The nano-titanium dioxide photocatalytic screen virus killing performance testing device according to claim 5, wherein the liquid storage tube (54) comprises a tube shell piece (541), a sampling liquid is stored in the tube shell piece (541), and a sealing leather sheath (543) is arranged at the bottom of the tube shell piece (541); the test piece replacement sealing part (122) is composed of two groups of semi-ring pipes, the joint of the two groups of semi-ring pipes and the test part (12) is sealed, the inner wall of the semi-ring pipe is fixedly connected with a test piece (6), the test piece (6) comprises a middle pipe (61) and a bottom plate (62) arranged at the bottom of the middle pipe (61), and the test paper box (63) is placed on the surface of the bottom plate (62); the inside of well pipe (61) is fixedly connected with guide needle tubing (611), the lower extreme of guide needle tubing (611) corresponds test paper box (63) setting.
7. The nano-titania photocatalytic screen virus killing performance testing device according to claim 6, wherein the driving device (7) comprises a lifting driving assembly, a movable outer tube (71), a rotary tube (76) and a pull plate (77), the driving end of the lifting driving assembly penetrates through the movable outer tube (71) and is connected with the pull plate (77), the rotary tube (76) is arranged in the pull plate (77), a clamping groove part (761) is formed in the outer surface of the rotary tube (76), a clamping head (771) is fixedly connected with the inner wall of the pull plate (77), the clamping head (771) is inserted into the clamping groove part (761) to slide, a rotary plate (762) is arranged at the upper end head of the rotary tube (76), and a clamping block part (763) is arranged on the outer surface of the rotary plate (762).
8. The nano-titania photocatalytic screen virus killing performance testing device according to claim 7, wherein the movable outer tube (71) comprises an outer tube housing (711), a bottom rotating groove (712), a middle rotating groove (713) and a top rotating groove (714) are sequentially formed in the inner wall of the outer tube housing (711) from bottom to top, an upper slide (715) is formed between the top rotating groove (714) and the middle rotating groove (713), a lower slide (716) is formed between the bottom rotating groove (712) and the middle rotating groove (713), the upper slide (715) is not communicated with the lower slide (716), and the clamping block piece (763) can rotate in the bottom rotating groove (712) or the middle rotating groove (713) or the top rotating groove (714).
9. The nano-titania photocatalytic screen virus killing performance testing device according to claim 8, wherein the upper end of the rotating plate member (762) is fixedly connected with a supporting tube (72), the upper end of the supporting tube (72) is fixedly connected with a rotating plate (73), the upper end of the rotating plate (73) is provided with a movable clamping plate (74), the surface of the rotating plate (73) is provided with an arc-shaped chute (731), the surface of the movable clamping plate (74) is provided with a strip-shaped chute (741), the bottom end of the bottom pipe member (51) penetrates through the strip-shaped chute (741) of the movable clamping plate (74) and then is inserted into the arc-shaped chute (731) of the rotating plate (73), and the movable clamping plate (74) and the rotating plate (73) form the bottom of the sealing tube (4).
10. The nano-titania photocatalytic screen virus killing performance testing device according to claim 9, wherein a telescopic rod is fixedly connected to the inside of the sealing tube (4), one end of the telescopic rod is fixedly connected with the movable door plate (42), an up-down slide way (421) is formed on the inner wall surface of the movable door plate (42), and the push rod piece (53) is inserted into the up-down slide way (421) to slide up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310218469.1A CN115902088B (en) | 2023-03-09 | 2023-03-09 | Nanometer titanium dioxide photocatalysis screen virus killing performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310218469.1A CN115902088B (en) | 2023-03-09 | 2023-03-09 | Nanometer titanium dioxide photocatalysis screen virus killing performance testing device |
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