CN112890811B - Micron-sized electric heating iodine spray gun - Google Patents
Micron-sized electric heating iodine spray gun Download PDFInfo
- Publication number
- CN112890811B CN112890811B CN202110055391.7A CN202110055391A CN112890811B CN 112890811 B CN112890811 B CN 112890811B CN 202110055391 A CN202110055391 A CN 202110055391A CN 112890811 B CN112890811 B CN 112890811B
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- China
- Prior art keywords
- spray gun
- heating
- pressure bin
- electric heating
- heating pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007921 spray Substances 0.000 title claims abstract description 41
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052740 iodine Inorganic materials 0.000 title claims abstract description 37
- 239000011630 iodine Substances 0.000 title claims abstract description 37
- 238000005485 electric heating Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 2
- 238000003958 fumigation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 210000004243 sweat Anatomy 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- 230000037406 food intake Effects 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- FEMOMIGRRWSMCU-UHFFFAOYSA-N ninhydrin Chemical compound C1=CC=C2C(=O)C(O)(O)C(=O)C2=C1 FEMOMIGRRWSMCU-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
- A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention provides a micron-sized electrothermal iodine spray gun, which comprises a spray gun body, wherein the spray gun body comprises a gun rod and a gun handle; the gun rod is internally provided with a heating pressure bin, the outer surface of the heating pressure bin is provided with an electric heating plate with a certain thickness, the inside of the heating pressure bin is provided with an inner wall backboard, the inner wall backboard is connected with the miniature air compressor through a pressure sealing connecting rod in the pipe diameter, the inside of the heating pressure bin is also provided with a metal net, the metal net is connected with a miniature rotary motor so as to drive the heating pressure bin to rotate, one end of the heating pressure bin is connected with a variable nozzle, the variable nozzle is provided with a switch lock, the switch lock is connected with a trigger device, and the trigger device is connected with the miniature air compressor; the gun handle is internally provided with a lithium battery and a miniature transformer, one end of the miniature transformer is electrically connected with the lithium battery, and the other end of the miniature transformer is electrically connected with an electric heating plate. The invention mainly utilizes an electric heating vortex heating mode and a micron-sized spraying mode to achieve the effects of improving fumigation efficiency and saving energy.
Description
Technical Field
The invention relates to the technical field of spray guns, in particular to a micron-sized electric heating iodine spray gun.
Background
The conventional methods for displaying sweat fingerprints of common paper, wall fingerprints, sweat fingerprints on thermosensitive paper and the like, such as silver nitrate displaying method, ninhydrin solution method, DFO method and the like, cannot effectively display sweat fingerprints on objects. When the thermosensitive paper encounters an organic solvent, black pollution background can be generated on the surface of the medicinal film, fingerprint appearance is affected, even the whole film surface is blackened, and the fingerprints on the thermosensitive paper disappear. Sweat-latent fingerprints on walls are more incompetent in the traditional method. When the latent fingerprints of the thermal paper are displayed by the direct heating method, the display temperature is difficult to master, the detection material is easy to pollute, the fingerprints on the film surface of the thermal paper can only be displayed, the fingerprints on the back surface can not be solved, and the effective display of the fingerprints on the thermal paper is limited. The iodine fumigation method can effectively show the sweat latent fingerprints remained on the wall body on the thermosensitive paper, and the iodine fog spray display can show not only fresh fingerprints, but also old fingerprints on the thermosensitive paper with better preservation and difficult-to-show objects such as the wall body.
Disclosure of Invention
According to the technical problems that the traditional iodine fumigation fingerprint has long fumigation time, is difficult to control concentration and is easy to volatilize, the micron-sized electric heating iodine spray gun is provided. The invention mainly utilizes an electric heating vortex heating mode and a micron-sized spraying mode to achieve the effects of improving fumigation efficiency and saving energy, thereby reducing the ingestion of toxic and harmful substances (iodine) by technicians and ensuring the physical safety of the technicians.
The invention adopts the following technical means:
the micron-sized electrothermal iodine spray gun comprises a spray gun body, wherein the spray gun body comprises a gun rod and a gun handle; the gun rod is internally provided with a heating pressure bin, the outer surface of the heating pressure bin is provided with an electric heating plate with a certain thickness, the inside of the heating pressure bin is provided with an inner wall backboard, the inner wall backboard is connected with the micro air compressor through a pressure sealing connecting rod in the pipe diameter, the inside of the heating pressure bin is also provided with a metal net, the metal net is connected with a micro rotary motor so as to drive the heating pressure bin to rotate, one end of the heating pressure bin is connected with a variable nozzle, the variable nozzle is provided with a switch lock, the switch lock is connected with a trigger device, and the trigger device is connected with the micro air compressor;
the gun handle is internally provided with a lithium battery and a miniature transformer, one end of the miniature transformer is electrically connected with the lithium battery, and the other end of the miniature transformer is electrically connected with the electric heating plate.
Further, the micron-sized electric heating type iodine spray gun is also provided with an electronic flow control meter, the electronic flow control meter comprises a sensor and a display screen, the sensor is arranged in the heating pressure bin, and the display screen is arranged on the shell of the spray gun body.
Further, an electronic temperature controller is arranged on the electric heating plate and used for controlling the temperature of the heating plate.
Further, one end of the heating pressure bin is further provided with a material injection hole and a pressure valve, wherein the pressure valve is arranged in the heating pressure bin and used for controlling the pressure in the heating pressure bin.
Further, a capacitor is connected between the switch lock and the trigger device, and the trigger device is used for controlling the state of the switch lock, so as to control the ejection of iodine vapor in the heating pressure bin.
Further, the variable nozzle is controlled by the internal reed, and the diameter of the internal pipe of the nozzle is changed by the upward and downward movement of the reed, so that the diameter of the nozzle is variable.
Further, a reverse flow valve is also arranged in the heating pressure bin.
Further, an electric heating device is arranged on the variable nozzle.
Further, after the trigger device is finished in stroke, the miniature air compressor brings the inner wall backboard back to the initial firing position, and the switch lock is closed.
Compared with the prior art, the invention has the following advantages:
the micron-sized electrothermal iodine spray gun provided by the invention mainly utilizes an electrothermal vortex heating mode and a micron-sized spraying mode to achieve the effects of improving fumigation efficiency and saving energy, thereby reducing the ingestion of toxic and harmful substances (iodine) by technicians and guaranteeing the physical safety of the technicians.
For the reasons, the invention can be widely popularized in the fields of spray guns and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic diagram of a micron-sized electrothermal iodine spray gun according to the present invention.
Fig. 2 is a schematic view of a variable nozzle according to the present invention.
In the figure: 1, heating a pressure bin; 2. an electric heating plate; 3. an inner wall backboard; 4. a connecting rod is sealed by pressure inside the pipe diameter; 5. a miniature air compressor; 6. a miniature rotary motor; 7. a variable nozzle; 8. a switch lock; 9. a triggering device; 10. a lithium battery; 11. a micro transformer; 12. an electronic flow control meter; 13. an electronic temperature controller; 14. a material injection hole; 15. a pressure valve; 16. a reed.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
As shown in fig. 1, the invention provides a micron-sized electrothermal iodine spray gun, which comprises a spray gun body, wherein the spray gun body comprises a gun rod and a gun handle; the gun rod is internally provided with a heating pressure bin 1, the outer surface of the heating pressure bin 1 is provided with an electric heating plate 2 with a certain thickness, the inside of the heating pressure bin 1 is provided with an inner wall backboard 3, the inner wall backboard 3 is connected with a miniature air compressor 5 through a pressure sealing connecting rod 4 in the pipe diameter, the inside of the heating pressure bin 1 is also provided with a metal net, the metal net is connected with a miniature rotary motor 6 so as to drive the heating pressure bin 1 to rotate, one end of the heating pressure bin 1 is connected with a variable nozzle 7, the variable nozzle 7 is provided with a switch lock 8, the switch lock 8 is connected with a trigger device 9, and the trigger device 9 is connected with the miniature air compressor 5; the gun handle is internally provided with a lithium battery 10 and a miniature transformer 11, one end of the miniature transformer 11 is electrically connected with the lithium battery 10, and the other end is electrically connected with the electric heating plate 2.
In specific implementation, as a preferred embodiment of the present invention, with continued reference to fig. 1, the micron-scale electrothermal iodine spray gun is further provided with an electronic flow controller 12, wherein the electronic flow controller 12 comprises a sensor and a display screen, the sensor is arranged in the heating pressure bin 1, and the display screen is arranged on the shell of the spray gun body.
In particular, as a preferred embodiment of the present invention, the electric heating plate 2 is provided with an electronic temperature controller 13 for controlling the temperature of the heating plate.
In specific implementation, as a preferred embodiment of the present invention, with continued reference to fig. 1, one end of the heating pressure chamber 1 is further provided with a material injection hole 14 and a pressure valve 15, where the pressure valve 15 is disposed in the pressure chamber with the pipe diameter inside the cavity, so as to control the internal pressure of the heating pressure chamber 1.
In a specific implementation, as a preferred embodiment of the present invention, a capacitor is connected between the switch lock 8 and the trigger device 9, and the trigger device 9 is used for controlling the state of the switch lock 8, and further controlling the ejection of iodine vapor in the heating pressure chamber 1.
In the embodiment of the present invention, as shown in fig. 2, the variable nozzle 7 is controlled by the internal reed 16, and the diameter of the nozzle is changed by moving the reed 16 up and down to change the diameter of the nozzle.
In order to verify the effectiveness of the micron-sized electric heating iodine spray gun of the present invention, the following experiments were performed:
indoor temperature: 25 ℃; humidity: 55%; experimental equipment: micron electrothermal iodine spray gun; iodine mass: 25g; electric plate power: 8.5w; and (3) a power supply: 2400mah Li battery; spray display distance: 50cm; volume of carrier: 0.5L; area of the electric heating plate: 16cm 2 The method comprises the steps of carrying out a first treatment on the surface of the Experimental data are as follows:
the experimental results show that: the micron electric heating iodine spray gun is provided with iodine mist which is sprayed out, the lift reaches the standard, and a small amount of iodine simple substance is attached to the electric heating sheet after condensation;
improvement: the electrothermal sheet of the electrode heating device in the kettle is connected to the spray head by a heat conductor, and the residual temperature is utilized to heat the spray pipe by the principle of solid heat conduction, so that the problem of iodine simple substance residue is solved.
The invention also provides a comparative example of the effect of the area of the electric heating plate on the experimental result, and the result is shown in the following table:
9cm 2 &12cm 2
| micron electrothermal iodine spray gun | |
| Time min | 1 |
| Temperature in bottle | 165 |
| Volatility% | 28 |
| Pressure bar in bottle | 2.4 |
| Head M | 0.45 |
12cm 2 &16cm 2
| Micron electrothermal iodine spray gun | |
| Time min | 1 |
| Temperature in bottle | 174 |
| Volatility% | 32 |
| Pressure bar in bottle | 2.6 |
| Lifting headM | 0.49 |
16cm 2 &20cm 2
| Micron electrothermal iodine spray gun | |
| Time min | 1 |
| Temperature in bottle | 194 |
| Volatility% | 37 |
| Pressure bar in bottle | 3 |
| Head M | 0.5 |
The results show that 15cm 2 Best effect, highest energy utilization, but from economic point of view, 16cm is preferred 2 Area group board.
In specific implementation, as a preferred embodiment of the invention, a counter-flow valve is also arranged in the heating pressure bin 1, and an electric heating device is arranged on the variable nozzle 7, so that the temperature is enough to sublimate the relevant iodine simple substance remained in the nozzle after the experiment is finished.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. The micron-sized electrothermal iodine spray gun comprises a spray gun body, wherein the spray gun body comprises a gun rod and a gun handle; the method is characterized in that:
the gun rod is internally provided with a heating pressure bin (1), the outer surface of the heating pressure bin (1) is provided with an electric heating plate (2) with a certain thickness, the inside of the heating pressure bin (1) is provided with an inner wall backboard (3), the inner wall backboard (3) is connected with a miniature air compressor (5) through a pressure sealing connecting rod (4) in the pipe diameter, the inside of the heating pressure bin (1) is also provided with a metal net, the metal net is connected with a miniature rotary motor (6), the heating pressure bin (1) is driven to rotate, one end of the heating pressure bin (1) is connected with a variable nozzle (7), the variable nozzle (7) is provided with a switch lock (8), the switch lock (8) is connected with a trigger device (9), and the trigger device (9) is connected with the miniature air compressor (5); the variable nozzle (7) is controlled by an internal reed (16), and the internal pipe diameter of the nozzle is changed by the up-and-down movement of the reed (16), so that the diameter of the nozzle is variable; an electric heating device is arranged on the variable nozzle (7);
the gun handle is internally provided with a lithium battery (10) and a miniature transformer (11), one end of the miniature transformer (11) is electrically connected with the lithium battery (10), and the other end of the miniature transformer is electrically connected with the electric heating plate (2).
2. The micrometer electrothermal iodine spray gun according to claim 1, further provided with an electronic flow control meter (12), the electronic flow control meter (12) comprising a sensor and a display screen, the sensor being arranged inside the heating pressure chamber (1), the display screen being arranged on the housing of the spray gun body.
3. Micrometer-scale electric heating iodine spray gun according to claim 1, characterized in that the electric heating plate (2) is provided with an electronic temperature controller (13) for controlling the temperature of the heating plate.
4. The micron-sized electric heating type iodine spray gun according to claim 1, wherein one end of the heating pressure bin (1) is further provided with a material injection hole (14) and a pressure valve (15), and the pressure valve (15) is arranged in the heating pressure bin (1) and used for controlling the pressure in the heating pressure bin (1).
5. The micron-sized electric heating type iodine spray gun according to claim 1, wherein a capacitor is connected between the switch lock (8) and the trigger device (9), and the trigger device (9) is used for controlling the state of the switch lock (8) so as to control the iodine vapor in the heating pressure bin (1) to be sprayed out.
6. The micron-sized electric heating type iodine spray gun according to claim 1, wherein a counter-flow valve is further arranged in the heating pressure bin (1).
7. The micrometer electrothermal iodine spray gun according to claim 1, wherein the trigger device (9) brings the inner wall back plate (3) back to the initial firing position by the micro air compressor (5) after the end of the stroke and closes the switch lock (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055391.7A CN112890811B (en) | 2021-01-15 | 2021-01-15 | Micron-sized electric heating iodine spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055391.7A CN112890811B (en) | 2021-01-15 | 2021-01-15 | Micron-sized electric heating iodine spray gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112890811A CN112890811A (en) | 2021-06-04 |
| CN112890811B true CN112890811B (en) | 2023-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110055391.7A Active CN112890811B (en) | 2021-01-15 | 2021-01-15 | Micron-sized electric heating iodine spray gun |
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| Country | Link |
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| CN (1) | CN112890811B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113746U (en) * | 1991-08-01 | 1992-08-26 | 王敬雷 | Induction heated finger-print display gun |
| CN101044982A (en) * | 2006-03-28 | 2007-10-03 | 张剑 | Fingerprint displaying spray gun |
| CN201469276U (en) * | 2009-08-20 | 2010-05-19 | 杜心全 | Multifunctional handprint displaying device |
| CN201469277U (en) * | 2009-09-05 | 2010-05-19 | 杜心全 | Sweat fingerprint powder display device |
| CN104127189A (en) * | 2014-08-26 | 2014-11-05 | 叶裕川 | Dust-free fingerprint gun |
| CN204121546U (en) * | 2014-09-24 | 2015-01-28 | 武汉凯进医疗技术有限公司 | The medical rifle of a kind of slight fever formula |
| CN107440724A (en) * | 2017-09-06 | 2017-12-08 | 昆明信诺莱伯科技有限公司 | A kind of portable field finger print fumigation display equipment |
| CN109125749A (en) * | 2018-09-28 | 2019-01-04 | 上海初拓科技有限公司 | A kind of micro high efficiency rate high-temperature steam sterilization module |
| CN208942148U (en) * | 2018-05-28 | 2019-06-07 | 庄捷 | A kind of smoked aobvious pen of portable fingerprint |
| CN111012534A (en) * | 2020-01-08 | 2020-04-17 | 吴成山 | Dental spray gun and using method thereof |
-
2021
- 2021-01-15 CN CN202110055391.7A patent/CN112890811B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113746U (en) * | 1991-08-01 | 1992-08-26 | 王敬雷 | Induction heated finger-print display gun |
| CN101044982A (en) * | 2006-03-28 | 2007-10-03 | 张剑 | Fingerprint displaying spray gun |
| CN201469276U (en) * | 2009-08-20 | 2010-05-19 | 杜心全 | Multifunctional handprint displaying device |
| CN201469277U (en) * | 2009-09-05 | 2010-05-19 | 杜心全 | Sweat fingerprint powder display device |
| CN104127189A (en) * | 2014-08-26 | 2014-11-05 | 叶裕川 | Dust-free fingerprint gun |
| CN204121546U (en) * | 2014-09-24 | 2015-01-28 | 武汉凯进医疗技术有限公司 | The medical rifle of a kind of slight fever formula |
| CN107440724A (en) * | 2017-09-06 | 2017-12-08 | 昆明信诺莱伯科技有限公司 | A kind of portable field finger print fumigation display equipment |
| CN208942148U (en) * | 2018-05-28 | 2019-06-07 | 庄捷 | A kind of smoked aobvious pen of portable fingerprint |
| CN109125749A (en) * | 2018-09-28 | 2019-01-04 | 上海初拓科技有限公司 | A kind of micro high efficiency rate high-temperature steam sterilization module |
| CN111012534A (en) * | 2020-01-08 | 2020-04-17 | 吴成山 | Dental spray gun and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN112890811A (en) | 2021-06-04 |
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