CN111579272A - Multifunctional carbon fiber trace material evidence sampling brush - Google Patents
Multifunctional carbon fiber trace material evidence sampling brush Download PDFInfo
- Publication number
- CN111579272A CN111579272A CN202010442427.2A CN202010442427A CN111579272A CN 111579272 A CN111579272 A CN 111579272A CN 202010442427 A CN202010442427 A CN 202010442427A CN 111579272 A CN111579272 A CN 111579272A
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- carbon fiber
- sampling brush
- sampling
- bristles
- brush
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 93
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 93
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000005070 sampling Methods 0.000 title claims abstract description 66
- 239000000463 material Substances 0.000 title claims description 13
- 239000002184 metal Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Abstract
The invention discloses a multifunctional carbon fiber trace physical evidence sampling brush which adopts conductive carbon fiber bristles. The multifunctional carbon fiber trace physical evidence sampling brush provided by the invention can be suitable for various complex sampling occasions, is convenient and fast to operate, and can effectively improve the evidence obtaining efficiency.
Description
Technical Field
The invention relates to a evidence obtaining technology, in particular to a trace material evidence sampling tool
Background
Most of the sampling methods of the conventional ion mobility spectrometer or other on-site analysis trace physical evidence detectors are test paper sampling methods, tweezers, cotton swabs or common sampling brushes.
At present, the detection means for trace physical evidence is many, and the corresponding research is more, but the existing trace sampling tools are various to aim at different samples. These sampling tools have many problems in practical use, mainly embodied in single function and low sampling efficiency.
For example, tweezers and the like are suitable for taking block-shaped samples, the test paper is suitable for taking samples with good adsorbability, and the efficiency of cotton swabs on trace powder samples or samples with poor adsorbability is reduced during transfer.
Therefore, the problem to be solved in the field is urgently needed to provide a trace sampling tool which is multifunctional, convenient to use and capable of improving sampling efficiency.
Disclosure of Invention
To solve the problems of the existing trace sampling tool, a multifunctional trace sampling tool scheme which is convenient to use is needed.
Therefore, the invention aims to provide a multifunctional carbon fiber trace physical evidence sampling brush which can be used for quickly and efficiently sampling different samples.
In order to achieve the purpose, the multifunctional carbon fiber trace physical evidence sampling brush provided by the invention adopts conductive carbon fiber bristles.
Further, the sampling brush comprises carbon fiber bristles and a power supply assembly, and a conductive loop is formed by connection between the carbon fiber bristles and the power supply assembly.
Furthermore, the sampling brush comprises at least one carbon fiber bristle, and each carbon fiber bristle can be respectively connected with the power supply assembly to form a conductive loop.
Furthermore, the power supply assembly is connected with the carbon fiber bristles through a metal wiring clamp.
Further, still include the stalk portion in the sample brush, the carbon fiber brush hair evagination sets up on the stalk portion, power module sets up in the stalk portion.
Further, the shank is an insulating shank.
Further, a lifting assembly is arranged on the handle portion.
Furthermore, the sampling brush also comprises a control assembly, and the control assembly controls the conduction state of a conductive loop between the power supply assembly and the carbon fiber bristles.
Further, the control assembly is disposed on the handle.
The multifunctional carbon fiber trace physical evidence sampling brush provided by the invention is suitable for various complex sampling occasions, is convenient and fast to operate, and can effectively improve the evidence obtaining efficiency.
Moreover, this multi-functional carbon fiber trace material evidence sample brush has high temperature resistant, antifriction, electric conduction, heat conduction and corrosion resistant etc. good characteristics, and the reliability is high.
Moreover, this multi-functional carbon fiber trace material evidence sample brush wholly constitutes simple structure, and is small, and the practicality is strong.
Drawings
The invention is further described below in conjunction with the appended drawings and the detailed description.
Fig. 1 is a diagram illustrating a structure of a multifunctional carbon fiber trace physical evidence sampling brush according to an embodiment of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
The scheme that conventional trace sampling tools take samples based on clamping, gluing and other sampling modes is abandoned in the embodiment, the carbon fiber bristles which can conduct electricity are innovatively adopted to serve as a sampling main body, sampling of different samples is further realized based on different electrifying states (such as time) of the carbon fiber bristles, the performance of the carbon fiber bristles can be adjusted by adjusting the electrifying states (such as time) of the carbon fiber bristles, and then sampling of different samples is realized.
The carbon fiber bristles in this embodiment are made of corresponding carbon fibers, and the specific configuration may be determined according to actual requirements, which is not described herein. Such as, but not limited to, corresponding stripes, etc.
The carbon fiber brush hair formed by the method has the excellent characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, so that the carbon fiber brush hair can be suitable for various complex sampling occasions.
Meanwhile, the carbon fiber brush hair can generate different performance changes according to different electrifying time states, so that efficient sampling is realized. Specifically, the carbon fiber bristles can generate a certain electrostatic adsorption effect after being initially electrified, and can effectively collect some solidified organic matter samples or powder samples; meanwhile, the carbon fiber brush hair can emit certain heat after being electrified, and can directly heat a sample.
From this, based on this sampling brush that carbon fiber brush hair formed can be after the circular telegram, will have strong adsorption effect to powdered sample under carbon fiber brush hair's electrostatic adsorption effect. Moreover, after long-time electrification, the carbon fiber bristles emit heat, so that solidified organic matter samples which are not easy to volatilize are heated and volatilized, and then are adsorbed on the carbon fibers through the electrostatic adsorption function.
Further, the number of carbon fiber bristles is determined by the corresponding arrangement of the sampling brush. In order to ensure the sampling effect, a plurality of carbon fiber bristles can be adopted, each carbon fiber bristle can independently generate the electrostatic adsorption and/or heating effect, and the plurality of carbon fiber bristles are matched with each other, so that the electrostatic adsorption and/or heating effect of the whole sampling brush can be enhanced.
The sampling brush formed based on the carbon fiber brush hair realizes sampling of different samples and is suitable for various complex sampling occasions.
Based on this sample brush that carbon fiber brush hair formed, can directly send the sample on the sample brush into equipment to detect according to actual conditions after the sample, also can be through sample pretreatment mode, with the sample processing become liquid or transfer to other test paper on, send into equipment again and detect.
Therefore, the sampling brush formed based on the carbon fiber bristles can effectively overcome the problems of the existing sampling tool, and has very high practicability.
Referring to fig. 1, a schematic diagram of a multifunctional carbon fiber trace material evidence sampling brush formed based on the above scheme is shown.
As can be seen, the multifunctional carbon fiber witness sample brush 100 mainly comprises a bundle of carbon fiber bristles 110, an operating handle 120, a power supply assembly 130 and a control assembly 140.
The operating handle 120 constitutes a holding operating member of the entire sampling brush 100 for carrying other constituent members.
The operating handle 120 is provided by an insulating scheme, and the specific structural form can be determined according to actual requirements, which is not limited herein. Such as a structure form which is convenient for holding operation of an operator or a structure form which is convenient for installation and use, etc.
In addition, this embodiment is provided with a lifting ring 121 as a lifting component on the operating handle 120, so as to improve the practicability of the sampling brush.
Here, a bundle of carbon fiber bristles 110 as a sampling manipulation body; the carbon fiber brush bristles are composed of a plurality of carbon fiber brush bristles, and the forming form and/or the number of the carbon fiber brush bristles can be determined according to actual requirements, and are not limited herein.
In the bundle of carbon fiber bristles 110, both ends of each carbon fiber bristle are respectively inserted into one end of the operating handle 120 to form a closed loop structure with the operating handle 120, and simultaneously, the main body of the carbon fiber bristle protrudes outside the operating handle 120.
The form of the carbon fiber brush staples 110 is not limited herein, and the length and thickness thereof can be determined according to the actual sampling condition.
The plurality of carbon fiber bristles are independently arranged, and the plurality of carbon fiber bristles are distributed in a parallel manner or other staggered manner, which is not limited herein.
In this embodiment, the power supply assembly 130 is disposed in the operating handle 120 and connected to two ends of all the carbon fiber bristles in the bundle of carbon fiber bristles 110, so as to be connected to all the carbon fiber bristles in the bundle of carbon fiber bristles 110 to form a corresponding conductive loop, thereby supplying power to each carbon fiber bristle 110.
The specific configuration of the power module 130 is not limited in this example, and may be determined according to actual needs.
By way of example, the illustrated embodiment is constructed with dry cells 131 and connecting leads 132, which are simple and reliable in construction, and easy to manufacture and later use.
Thus, the power module 130, which is composed of the dry battery 131 and the connecting wire 132, is integrally disposed in the operating handle 120, and the positive and negative electrodes thereof are respectively connected and conducted with the two ends of all the carbon fiber bristles 110 inserted into the operating handle 120 through the metal connecting clips 133 in a synchronous manner, so as to form a conductive loop with all the carbon fiber bristles 110.
For example, both ends of all the carbon fiber bristles 110 are respectively clamped by metal wire clamps 133, and here, both ends of each carbon fiber bristle 110 may be respectively clamped by metal wire clamps 133, or both ends of all the carbon fiber bristles 110 may be respectively clamped together by two metal wire clamps 133.
In this way, the metal terminal clip 133 is installed in the operating handle 120 and electrically connected to the dry cell 131 and the connecting wire 132 in the operating handle 120, so that each carbon fiber bristle 110 can be connected to the dry cell 131 to form a conductive loop, and the battery 131 supplies power to each carbon fiber bristle 110.
It should be noted that the power module 130 is not limited to be composed of dry batteries, and any other power scheme may be used; furthermore, the power of the power source and the arrangement scheme of the connecting wires can be determined according to actual requirements, and are not described herein.
The specific configuration of the metal terminal block 133 is not limited in this example, and may be determined according to actual requirements.
The control assembly 140 in this example is used to control the conduction state of the conductive circuit between the power supply assembly 130 and the carbon fiber bristles 110, i.e., to control the state in which the power supply assembly 130 supplies power to the carbon fiber bristles 110.
The specific structure of the control component 140 is not limited in this example, and may be determined according to actual requirements.
By way of example, also based on the illustrated solution, the control assembly is constituted by a corresponding control switch 140, the switch body 141 of the control switch 140 is connected to the power supply circuit of the power supply assembly 130 (i.e. the power supply circuit formed by connecting the dry battery 131 and the connecting wire 132 in series), and the power supply circuit of the power supply assembly 130 to the carbon fiber bristles 110 can be controlled to be switched on or off; the button 142 of the control switch 140 is provided on the operating handle 120, which facilitates the operation.
It should be noted here that, according to actual requirements, such as functional requirements, a plurality of different controllers may be additionally loaded to implement control of different functions, such as implementing on-time control, conducting current magnitude control, operating state indication, and the like.
In addition, as an alternative, the carbon fiber bristles 110, the power supply assembly 130 and the control assembly 140 in this example may be pre-assembled to form a modular assembly, which may be assembled to the handle 120 to form the sampling brush 100, thereby facilitating the actual production, replacement and maintenance of the sampling brush during use, and improving the practicability thereof.
The multifunctional carbon fiber trace physical evidence sampling brush 100 formed by the method has the advantages of compact and small integral structure and strong functions, and can realize rapid sampling of various samples; simultaneously, the sampling brush is very convenient to use and install.
For example, when the sampling brush 100 formed based on the embodiment is applied, if the electrostatic effect sampling is required, only the switch button on the handle needs to be pressed lightly, the power supply assembly in the handle is conducted with the carbon fiber bristles at the front end of the handle, the power supply assembly supplies power to the carbon fiber bristles, and after the carbon fiber bristles are electrified, the electrostatic adsorption effect is immediately generated to realize the rapid sampling function. If need heat the sample, just can press the sample switch for a long time, power supply module then keeps supplying power to the carbon fiber brush hair for carbon fiber brush hair releases the heat after last sufficient electric quantity of expert for the sample that is taken a sample begins to heat. The whole operation process is very simple and convenient; meanwhile, as the whole structure is simple, the follow-up maintenance is very convenient.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A multifunctional carbon fiber trace physical evidence sampling brush is characterized in that the sampling brush adopts conductive carbon fiber bristles.
2. The multifunctional carbon fiber trace material evidence sampling brush according to claim 1, wherein the sampling brush comprises carbon fiber bristles and a power supply assembly, and the carbon fiber bristles and the power supply assembly are connected to form a conductive loop.
3. The multifunctional carbon fiber trace material evidence sampling brush as claimed in claim 2, wherein the sampling brush comprises at least one carbon fiber bristle, and each carbon fiber bristle is connected with a power supply component to form a conductive loop.
4. The multifunctional carbon fiber trace physical evidence sampling brush as claimed in claim 2 or 3, wherein the power supply assembly is connected with the carbon fiber bristles through metal wire clamps.
5. The multifunctional carbon fiber trace material evidence sampling brush according to claim 2 or 3, further comprising a handle part, wherein the carbon fiber bristles are convexly arranged on the handle part, and the power supply assembly is arranged in the handle part.
6. The multifunctional carbon fiber trace material evidence sampling brush of claim 5, wherein the handle is an insulating handle.
7. The multifunctional carbon fiber trace material evidence sampling brush as recited in claim 5, wherein a lifting assembly is disposed on the handle.
8. The multifunctional carbon fiber trace material evidence sampling brush according to claim 2 or 3, further comprising a control component, wherein the control component controls the conduction state of a conductive loop between a power supply component and the carbon fiber bristles.
9. The multifunctional carbon fiber trace material evidence sampling brush of claim 8, wherein the control assembly is disposed on a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442427.2A CN111579272A (en) | 2020-05-22 | 2020-05-22 | Multifunctional carbon fiber trace material evidence sampling brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442427.2A CN111579272A (en) | 2020-05-22 | 2020-05-22 | Multifunctional carbon fiber trace material evidence sampling brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111579272A true CN111579272A (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010442427.2A Pending CN111579272A (en) | 2020-05-22 | 2020-05-22 | Multifunctional carbon fiber trace material evidence sampling brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111579272A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87215197U (en) * | 1987-12-22 | 1988-10-12 | 益阳地区行政公署公安处 | Absorbor for dusts on the curved surface |
| JPH04275572A (en) * | 1991-03-04 | 1992-10-01 | Minolta Camera Co Ltd | Brush electrifier |
| CN2162663Y (en) * | 1993-06-30 | 1994-04-20 | 吴松 | High-voltage electrostatic footprint getting apparatus |
| CN1834610A (en) * | 2006-04-07 | 2006-09-20 | 张清宇 | Real time collection device for particles |
| CN201628652U (en) * | 2010-03-31 | 2010-11-10 | 北京市农林科学院 | Electrostatic absorbing device |
| CN203559252U (en) * | 2013-11-15 | 2014-04-23 | 蓝星(北京)化工机械有限公司 | Carbon fiber drying system |
| CN204755135U (en) * | 2015-06-11 | 2015-11-11 | 济南瑞华节能设备有限公司 | Carbon fiber dust remover |
| CN205002981U (en) * | 2015-08-28 | 2016-01-27 | 哈尔滨工程大学 | Police draws appearance with vestige |
| CN105305700A (en) * | 2015-10-22 | 2016-02-03 | 陈锦霞 | Carbon fiber brush |
-
2020
- 2020-05-22 CN CN202010442427.2A patent/CN111579272A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87215197U (en) * | 1987-12-22 | 1988-10-12 | 益阳地区行政公署公安处 | Absorbor for dusts on the curved surface |
| JPH04275572A (en) * | 1991-03-04 | 1992-10-01 | Minolta Camera Co Ltd | Brush electrifier |
| CN2162663Y (en) * | 1993-06-30 | 1994-04-20 | 吴松 | High-voltage electrostatic footprint getting apparatus |
| CN1834610A (en) * | 2006-04-07 | 2006-09-20 | 张清宇 | Real time collection device for particles |
| CN201628652U (en) * | 2010-03-31 | 2010-11-10 | 北京市农林科学院 | Electrostatic absorbing device |
| CN203559252U (en) * | 2013-11-15 | 2014-04-23 | 蓝星(北京)化工机械有限公司 | Carbon fiber drying system |
| CN204755135U (en) * | 2015-06-11 | 2015-11-11 | 济南瑞华节能设备有限公司 | Carbon fiber dust remover |
| CN205002981U (en) * | 2015-08-28 | 2016-01-27 | 哈尔滨工程大学 | Police draws appearance with vestige |
| CN105305700A (en) * | 2015-10-22 | 2016-02-03 | 陈锦霞 | Carbon fiber brush |
Non-Patent Citations (1)
| Title |
|---|
| 王元良 等, 北京航空航天大学出版社 * |
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Application publication date: 20200825 |