CN113188825A - Electric skin wiping sampling device - Google Patents
Electric skin wiping sampling device Download PDFInfo
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- CN113188825A CN113188825A CN202110487621.7A CN202110487621A CN113188825A CN 113188825 A CN113188825 A CN 113188825A CN 202110487621 A CN202110487621 A CN 202110487621A CN 113188825 A CN113188825 A CN 113188825A
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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
Abstract
The present disclosure provides an electric skin wiping sampling device, comprising: a wiping roller, the surface of which is covered with a wiping medium; one end of the control handle is used as a connecting end of the wiping roller, and the other end of the control handle is used as a holding end of an operator; the motor is connected with the wiping roller and is used for driving the wiping roller to roll under the action of a power supply; thus, a sample can be taken of the skin surface that is characteristic of the wiping pressure and speed. The problem that the skin is wiped and the sampling still needs to be manually carried out is solved; the wiping pressure and speed during sampling can be quantitatively represented; and by eliminating the difference of pressure and speed, the accuracy and repeatability of the sampling result are improved.
Description
Technical Field
The disclosure relates to the technical field of analysis and detection, in particular to an electric skin wiping sampling device.
Background
Chemicals can enter the body through dietary intake, air breathing and transdermal absorption. Therefore, transdermal exposure assessment is an important component in the framework of chemical risk characterization, and the skin-wiping sampling method is an important sample collection method for assessing transdermal exposure of chemicals.
Skin-wiping sampling method, can be understood as a method of collecting a contaminant from the skin by providing an external force to the wiping medium (wiping material and loaded solvent) that equals or exceeds the adhesion of the contaminant or contaminant carrier to the attachment surface. The sampling method for assessing the percutaneous exposure of contaminants has the following advantages: firstly, wiping and sampling skin to directly obtain pollutants attached to the skin; compared with indirect sampling of an environment medium, more additional factors (such as skin adhesion factors, dust particle size/properties and the like) do not need to be considered, and a more real and more accurate evaluation result can be obtained; the measurement result of the skin wiping sampling reflects the comprehensive result of the exposed multiple environmental sources, and the method does not need to carry out multi-medium environmental sampling and subsequent series of experiments and is the most practical and economic method; skin wiping is aimed at individual sampling, and compared with an environmental medium sampling method (such as dust), pollutants in a skin wiping sample can be better associated with an individual, and the method has greater advantages in researching individual exposure and related toxic effects. In general, skin-wiping sampling is a more advantageous sampling technique in characterizing human skin exposure and related effects than ambient media sampling.
However, the performance of the skin-wiping sampling method may be affected by a series of sampling parameters. The pressure applied by the operator during sampling and the wiping speed are considered to be important variables affecting the evaluation result. The effect of pressure and wiping speed on sampling performance has been well recognized, but to date this problem has been effectively solved and skin wiping sampling has still been performed manually. The perceived/experienced problem of pressure and speed applied by an individual to the wipe media during manual sampling necessarily increases the variability of the results employed. To eliminate operator variability to maintain data consistency as much as possible, the usual strategy is to allow only one operator to participate in the whole sampling in the same study; clearly, such a strategy is not practical in studies conducted at different times and different locations. In order to obtain research results with higher comparability and accuracy, an electric skin sampling instrument which can replace manual wiping needs to be developed, and the wiping pressure and speed during sampling are quantitatively represented; by eliminating the difference of pressure and speed, the accuracy and repeatability of the sampling result are improved. In addition, in addition to pressure and speed, sampling parameters that may affect the measurement result include the wiping material, the type and volume of solvent carried by the wiping material, the physicochemical properties of the target, the target load on the skin surface, the number of repeated wipes, and the like. Since these sampling parameters are affected by pressure and speed, the development of an electric skin-wiping sampling device also provides the possibility of quantitative characterization of these parameters.
Disclosure of Invention
Technical problem to be solved
Based on the above-mentioned problem, this disclosure provides a sampling device is wiped to electronic skin to alleviate technical problem such as skin wiping sampling still needs manual among the prior art.
(II) technical scheme
The present disclosure provides an electric skin wiping sampling device, comprising:
a wiping roller, the surface of which is covered with a wiping medium;
one end of the control handle is used as a connecting end of the wiping roller, and the other end of the control handle is used as a holding end of an operator; and
the motor is connected with the wiping roller and is used for driving the wiping roller to roll under the action of a power supply;
thus, a sample can be taken of the skin surface that is characteristic of the wiping pressure and speed.
In an embodiment of the present disclosure, the wiping roller includes:
a roller;
the roller sleeve is sleeved outside the roller, and the surface of the roller sleeve is covered with a wiping medium; and
and the pressure sensor is arranged on the surface of the roller and used for collecting the pressure of the wiping roller when rolling on the surface of the skin.
In the embodiment of the disclosure, the opposite side of the wiping roller and one side of the motor connection end is connected with the roller through a sliding ring, and is pivoted with the sliding ring through a shaft sleeve fixed on the control handle.
In an embodiment of the present disclosure, the lever includes:
the upper control handle cover is pivoted with the wiping roller to form the connecting end;
the main control board is arranged in the upper cover of the control handle, can receive pressure information collected by the pressure sensor and processes the pressure information to form display information; and
and the display module is arranged on the main control board, can receive the display information, displays the display information and can display the rotating speed of the motor, so that the wiping pressure and speed can be monitored in real time.
In the disclosed embodiment, the upper control handle cover is provided with a display hole through which the display module can be viewed.
In an embodiment of the present disclosure, the control handle further comprises:
the control handle lower cover can be buckled with the control handle upper cover, and the control handle lower cover is provided with a battery jar, the battery jar can be placed with a battery, and is covered with the battery jar through a battery cover.
In the embodiment of the present disclosure, the main control board can also adjust the rotation speed of the motor.
In an embodiment of the present disclosure, the electric skin-wiping sampling device further includes:
the first end cover can be buckled with the arrangement side of the motor of the connecting end; and
the second end cover can be buckled with the opposite side of the motor at the connecting end.
In embodiments of the present disclosure, the wiping media is a soft, flexible block or strip.
In the embodiment of the disclosure, the upper control handle cover, the lower control handle cover, the battery cover, the first end cover and the second end cover are all made of metal materials or polymer materials.
(III) advantageous effects
According to the technical scheme, the electric skin wiping sampling device disclosed by the invention has at least one or part of the following beneficial effects:
(1) the problem that the skin is wiped and the sampling still needs to be manually carried out is solved;
(2) the wiping pressure and speed during sampling can be quantitatively represented; and
(3) by eliminating the difference of pressure and speed, the accuracy and repeatability of the sampling result are improved.
Drawings
Fig. 1 is an external view of an electric skin-wiping sampling device according to an embodiment of the present disclosure.
Fig. 2 is an exploded schematic view of an electric skin-wiping sampling device according to an embodiment of the present disclosure.
[ description of main reference numerals in the drawings ] of the embodiments of the present disclosure
1 control handle upper cover
2 Main control board
3 first end cap
4 pressure film sensor
5 brushless motor
6 lower cover of control handle
7 cell
8 Battery cover
9 second end cap
10 shaft sleeve
11 slip ring
12 roller sleeve
13 wiping media
14 roller
Detailed Description
The electric skin wiping sampling device solves the problem that manual skin wiping sampling is still needed, and can quantitatively represent wiping pressure and speed in sampling; and by eliminating the difference of pressure and speed, the accuracy and repeatability of the sampling result are improved. Can overcome the main defects of the prior skin wiping and sampling.
For the purpose of promoting a better understanding of the objects, aspects and advantages of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
In an embodiment of the present disclosure, there is provided an electric skin-wiping sampling device, as shown in fig. 1 to 2, comprising: a wiping roller capable of rolling, the outer layer of which is attached with a wiping medium 13; a control handle having a connection end that is pivotally connectable to the wiping roller; the motor, set up in link one side, the control handle can be for the motor power supply drives the wiping roller rotates, and then wiping medium 13 gathers the chemical sample on the skin.
In an embodiment of the present disclosure, a wiping roller includes: a roller sleeve 12, the wiping medium 13 is attached to the outer wall of the roller sleeve 12; the roller 14, the roller cover 12 is sleeved outside the roller 14, and the roller 14 is connected with a rotating shaft of the motor.
In the embodiment of the present disclosure, the opposite side of the wiping roller and the motor connection end is connected to the roller 14 through a sliding ring 11, and is pivotally connected to the sliding ring 11 through a shaft sleeve 10 fixed to a control handle.
In the embodiment of the present disclosure, a pressure sensor is disposed between the roller sleeve 12 and the roller 14, and the pressure sensor can acquire pressure information of the roller 14 pressing the skin.
In an embodiment of the present disclosure, the lever includes: the upper control handle cover 1 is pivoted with the wiping roller to form the connecting end; the main control board 2 is arranged in the control handle upper cover 1 and can receive the pressure information and process the pressure information to form display information; and the display module is arranged on the main control board 2 and can receive the display information and display the display information.
In the disclosed embodiment, the upper control handle cover 1 is provided with a display hole through which the display module can be viewed.
In an embodiment of the present disclosure, the control handle further comprises: and the control handle lower cover 6 can be buckled with the control handle upper cover 1, and the control handle lower cover 6 is provided with a battery jar which can be used for placing a battery 7 and is covered with the battery jar through a battery cover 8.
In the embodiment of the present disclosure, the main control board 2 can also adjust the rotation speed of the motor.
In an embodiment of the present disclosure, the electric skin-wiping sampling device further includes: the first end cover 3 can be buckled with the arrangement side of the motor of the connecting end; a second end cap 9 that can be fastened to the opposite side of the motor side of the connection end;
in the embodiment of the present disclosure, the wiping medium 13 is a soft and flexible block/strip-shaped object such as gauze, non-woven fabric, and commercial wet tissue.
In particular, in the embodiment of the disclosure, the invention aims to provide an electric skin wiping sampling device for wiping and sampling skin, and the electric skin wiping sampling device can replace manual wiping and is driven by a motor to collect chemicals on human skin in a pressure and speed controllable manner. The invention can be suitable for collecting heavy metal, organic pollutants and other chemicals attached to the skin of various professional groups based on the purpose of percutaneous exposure evaluation, and has wide application prospect in the fields of specific professional exposure evaluation, environmental exposure evaluation, human health risk evaluation and the like of the chemicals.
In the embodiment of the disclosure, the electric skin wiping sampling device for skin wiping sampling provided by the invention comprises a main control board, a display module, a brushless motor matched with the main control board and the display module, a pressure film sensor, a roller, a slip ring, a shaft sleeve, a roller sleeve, a battery 7 and an outer cover;
furthermore, the main control board and the display module are provided with corresponding circuits and interfaces connected with the brushless motor, the pressure film sensor and the battery 7;
further, the brushless motor is used for controlling the acquisition speed and setting high, medium and low three-gear speeds;
furthermore, the pressure film sensor is used for controlling the acquisition of pressure, and the induction force of the arranged pressure film sensor is greater than 20 g;
further, the roller is set to be a roller type and is used for wrapping wiping media during sampling;
furthermore, the slip ring and the shaft sleeve are matched with a roller for use, so that the roller can move under the driving of a motor;
further, the roller sleeve is larger than the roller, and the roller sleeve is made of soft rubber. On one hand, the contact pressure is favorably transmitted to the pressure sensor between the roller sleeve and the roller; on the other hand, the sampler can maintain the comfort of the sampled person when contacting with the skin of the human body.
Further, the battery 7 is set to 18650 charged battery 7 to ensure sufficient usage time for sampling;
in the embodiment of the disclosure, the outer cover is provided with three parts, namely an upper control handle cover, a lower control handle cover, a second end cover, a first end cover and a battery cover. The upper cover and the lower cover of the control handle are arranged on the main control board and the display module part; the second end cover and the first end cover are arranged on the roller part and are used for two ends of the roller sleeve; the battery cover is in the battery 7 portion.
In the embodiment of the disclosure, in the electric skin wiping sampling device for skin wiping sampling, the main control board, the display module, the brushless motor and the pressure film sensor are all customized with a factory; the roller and the roller sleeve, the slip ring and the shaft sleeve, the battery 7 and the outer cover are all made of metal materials or high polymer materials; the metal material is aluminum alloy, stainless steel and the like, and the high polymer material is polytetrafluoroethylene or plastic with polytetrafluoroethylene coating on the surface, polyethylene, polypropylene and the like.
Compared with the prior art, the electric skin wiping sampling device for wiping skin for sampling has the following advantages:
in the embodiment disclosed by the invention, the skin wiping sampling method is designed aiming at the defects that the skin wiping sampling method needs manual operation and the pressure and the speed are uncontrollable when chemicals on the skin are wiped and sampled. To date, wipe acquisition of chemicals on skin has been accomplished manually, and there has been no way to quantify the pressure and speed of application of an individual to the wipe media. To eliminate operator variability to maintain data consistency as much as possible, the usual strategy is to allow only one operator to participate in the whole sampling in the same study; however, such strategies are not practical in studies conducted at different times and different locations. In order to obtain a research result with higher comparability and accuracy, an electric skin sampling device capable of replacing manual wiping is developed, and the wiping pressure and speed during sampling are quantitatively represented; by eliminating the difference of pressure and speed, the accuracy and repeatability of the sampling result are improved. The electric skin wiping sampling device of the invention has the following working process: i) pressing a roller of the sampling device on the skin, and starting the sampling device; the roller is driven by a motor to slowly rotate at a constant speed, so that a wiping medium (such as gauze) wrapped on the roller uniformly collects chemical samples on the skin. ii) the film pressure sensor on the roller transmits the information of the pressure of the roller pressing the skin to the display module, and the pressure of the sampling device pressing the skin is controlled according to the pressure value of the display module. iii) the motor speed is also read by the display module, so that the roller speed can be controlled according to different requirements. iv) adopt 18650 rechargeable battery, increase sampling device duration of operation, and work convenience. v) the material, size and shape of the part at the position contacting with the skin can be selected according to different requirements. The electric skin sampling device disclosed by the invention can be suitable for collecting chemicals such as heavy metals and organic pollutants attached to the skin of various professional groups, and has a wide application prospect in the fields of specific professional exposure evaluation, environment exposure evaluation, human health risk evaluation and the like of the chemicals.
In the embodiment disclosed, as shown in fig. 2, the device for electrically wiping skin and sampling the skin of the invention comprises a control handle upper cover 1, a main control board 2 and a display module 2 thereon, a first end cover 3, a pressure film sensor 4, a brushless motor 5, a control handle lower cover 6, a 18650 type battery 7, a battery cover 8, a second end cover 9, a shaft sleeve 10, a slip ring 11, a roller sleeve 12, a wiping medium 13 and a roller 14.
In the disclosed embodiment, as shown in fig. 2, the electric skin-wiping sampling device of the present invention works as follows: i) pressing the sampling device roller 14 against the skin, activating the sampling device; the roller 14 is driven by the motor 5 to rotate slowly and uniformly, so that the wiping medium (such as gauze) wrapped on the roller uniformly collects chemical samples on the skin. ii) the film pressure sensor 4 on the roller transmits the information of the pressure of the roller pressing the skin to the main control board and the display module 2, and the pressure of the sampling device pressing the skin is controlled according to the pressure value displayed by the main control board and the display module 2. iii) the rotational speed of the motor 5 is also read by the main control board and the display module 2, so that the rotational speed of the roller can be controlled according to different requirements. iv) the adoption of 18650 charged batteries 7, increase the sampling device duration of operation, and the convenience of operation.
In the embodiment disclosed by the invention, the material, size and shape of the part at the contact position of the electric skin wiping sampling device and the skin can be selected and manufactured according to different requirements.
In the disclosed embodiment, the inventive electric skin wiping sampling device can be made of the following materials: metal materials such as aluminum alloy and stainless steel, or polymer materials such as polytetrafluoroethylene or plastics with polytetrafluoroethylene coating, polyethylene and polypropylene.
In the disclosed embodiment, the invention can also be applied to the collection of chemicals on the skin of any part of the human body.
So far, the embodiments of the present disclosure have been described in detail with reference to the accompanying drawings. It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Further, the above definitions of the various elements and methods are not limited to the various specific structures, shapes or arrangements of parts mentioned in the examples, which may be easily modified or substituted by those of ordinary skill in the art.
From the above description, those skilled in the art should have a clear understanding of the disclosed motorized skin-wiping sampling device.
In summary, the present disclosure provides an electric skin wiping sampling device, which solves the problem that skin wiping sampling still needs to be performed manually, and can quantitatively characterize wiping pressure and speed during sampling; and by eliminating the difference of pressure and speed, the accuracy and repeatability of the sampling result are improved.
It should also be noted that directional terms, such as "upper", "lower", "front", "rear", "left", "right", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present disclosure. Throughout the drawings, like elements are represented by like or similar reference numerals. Conventional structures or constructions will be omitted when they may obscure the understanding of the present disclosure.
And the shapes and sizes of the respective components in the drawings do not reflect actual sizes and proportions, but merely illustrate the contents of the embodiments of the present disclosure. Furthermore, in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Unless otherwise indicated, the numerical parameters set forth in the specification and attached claims are approximations that can vary depending upon the desired properties sought to be obtained by the present disclosure. In particular, all numbers expressing quantities of ingredients, reaction conditions, and so forth used in the specification and claims are to be understood as being modified in all instances by the term "about". Generally, the expression is meant to encompass variations of ± 10% in some embodiments, 5% in some embodiments, 1% in some embodiments, 0.5% in some embodiments by the specified amount.
Furthermore, the word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.
The use of ordinal numbers such as "first," "second," "third," etc., in the specification and claims to modify a corresponding element does not by itself connote any ordinal number of the element or any ordering of one element from another or the order of manufacture, and the use of the ordinal numbers is only used to distinguish one element having a certain name from another element having a same name.
In addition, unless steps are specifically described or must occur in sequence, the order of the steps is not limited to that listed above and may be changed or rearranged as desired by the desired design. The embodiments described above may be mixed and matched with each other or with other embodiments based on design and reliability considerations, i.e., technical features in different embodiments may be freely combined to form further embodiments.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Also in the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the disclosure, various features of the disclosure are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various disclosed aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that is, the claimed disclosure requires more features than are expressly recited in each claim. Rather, as the following claims reflect, disclosed aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this disclosure.
The above-mentioned embodiments are intended to illustrate the objects, aspects and advantages of the present disclosure in further detail, and it should be understood that the above-mentioned embodiments are only illustrative of the present disclosure and are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (10)
1. An electric skin-wiping sampling device comprising:
a wiping roller, the surface of which is covered with a wiping medium;
one end of the control handle is used as a connecting end of the wiping roller, and the other end of the control handle is used as a holding end of an operator; and
the motor is connected with the wiping roller and is used for driving the wiping roller to roll under the action of a power supply;
thus, a sample can be taken of the skin surface that is characteristic of the wiping pressure and speed.
2. The motorized skin-wiping sampling device of claim 1, wherein the wiping roller comprises:
a roller;
the roller sleeve is sleeved outside the roller, and the surface of the roller sleeve is covered with a wiping medium; and
and the pressure sensor is arranged on the surface of the roller and used for collecting the pressure of the wiping roller when rolling on the surface of the skin.
3. The device for electrically wiping and sampling skin as claimed in claim 2, wherein the wiping roller is connected with the roller through a sliding ring at the side opposite to the motor connection end, and is pivoted with the sliding ring through a shaft sleeve fixed on a control handle.
4. The motorized skin-wiping sampling device of claim 2, wherein the control handle comprises:
the upper control handle cover is pivoted with the wiping roller to form the connecting end;
the main control board is arranged in the upper cover of the control handle, can receive pressure information collected by the pressure sensor and processes the pressure information to form display information; and
and the display module is arranged on the main control board, can receive the display information, displays the display information and can display the rotating speed of the motor, so that the wiping pressure and speed can be monitored in real time.
5. The powered skin-wiping sampling device of claim 4, wherein the lever cover is provided with a display aperture through which the display module can be viewed.
6. The motorized skin-wiping sampling device of claim 4, wherein the control handle further comprises:
the control handle lower cover can be buckled with the control handle upper cover, and the control handle lower cover is provided with a battery jar, the battery jar can be placed with a battery, and is covered with the battery jar through a battery cover.
7. The motorized skin-wiping sampling device of claim 4, wherein the master control board is further capable of regulating a rotational speed of the motor.
8. The motorized skin-wiping sampling device of claim 1, further comprising:
the first end cover can be buckled with the arrangement side of the motor of the connecting end; and
the second end cover can be buckled with the opposite side of the motor at the connecting end.
9. The motorized skin wipe sampling device of claim 1, wherein the wiping medium is a soft flexible block or strip.
10. The electric skin wiping sampling device of claim 1, wherein the upper control handle cover, the lower control handle cover, the battery cover, the first end cover and the second end cover are all made of metal materials or polymer materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487621.7A CN113188825A (en) | 2021-04-30 | 2021-04-30 | Electric skin wiping sampling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110487621.7A CN113188825A (en) | 2021-04-30 | 2021-04-30 | Electric skin wiping sampling device |
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| CN113188825A true CN113188825A (en) | 2021-07-30 |
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Application publication date: 20210730 |