CN114953808A - Output device for uniformly mixed liquid and preparation method - Google Patents

Output device for uniformly mixed liquid and preparation method Download PDF

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Publication number
CN114953808A
CN114953808A CN202210416218.XA CN202210416218A CN114953808A CN 114953808 A CN114953808 A CN 114953808A CN 202210416218 A CN202210416218 A CN 202210416218A CN 114953808 A CN114953808 A CN 114953808A
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CN
China
Prior art keywords
liquid
groups
barrel
glass ampoule
cylinder body
Prior art date
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Pending
Application number
CN202210416218.XA
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Chinese (zh)
Inventor
约瑟夫·莫尔
格雷戈里·努格斯特
基思·艾莉森
迈克尔·莫斯卡尔
克里斯·奥勒姆
何应强
罗小猛
李觉俊
许务思
何耀強
金朝阳
郭海腾
白文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Wenhaiyang Industry & Trading Co ltd
Crayola LLC
Original Assignee
Beijing Wenhaiyang Industry & Trading Co ltd
Crayola LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Wenhaiyang Industry & Trading Co ltd, Crayola LLC filed Critical Beijing Wenhaiyang Industry & Trading Co ltd
Priority to CN202210416218.XA priority Critical patent/CN114953808A/en
Publication of CN114953808A publication Critical patent/CN114953808A/en
Priority to AU2023202359A priority patent/AU2023202359A1/en
Priority to GB2305731.8A priority patent/GB2619408A/en
Priority to CA3197562A priority patent/CA3197562A1/en
Priority to US18/137,011 priority patent/US20230391130A1/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02Ink reservoirs
    • B43K5/025Ink reservoirs with multiple colours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K27/00Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
    • B43K27/003Multiple-point writing implements, e.g. multicolour; Combinations of writing implements only one holder being used either for the pencil or the pen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K27/00Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
    • B43K27/08Combinations of pens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02Ink reservoirs
    • B43K5/10Ink reservoirs with reserve ink chambers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18Arrangements for feeding the ink to the nibs

Abstract

The invention relates to an output device for uniformly mixing liquid and a preparation method thereof, wherein the output device comprises a barrel, a pen point, an end plug and a binary ink storage assembly, the barrel is of a hollow cylindrical structure which is made of bendable material and has two open ends, the pen point is embedded in the head end of the barrel, the end plug is plugged in the tail end of the barrel, the binary ink storage assembly comprises a plurality of glass ampoules which are arranged in pairs, and the glass ampoules are arranged in the barrel in parallel. The preparation method comprises the steps of preparing a plurality of control groups which accord with a single variable factor according to a plurality of variable factors, and determining the optimal combination scheme of the cylinder body of the output device, the specification of the glass ampoule bottle, the pen point material and the viscosity of the mixed liquid by combining the luminescence parameters among the plurality of control groups. The invention provides an output device with a reliable, simple and low-cost structure through a specific scheme, so as to solve the problem that liquid cannot be uniformly mixed and output when a chemiluminiscence pen is started.

Description

Output device for uniformly mixed liquid and preparation method
Technical Field
The invention relates to the technical field of multi-component liquid mixing, in particular to an output device for uniformly mixing liquid.
Background
At present, some devices of multi-component liquid mixing type need to output the mixed liquid to the outside through a porous adsorption material, for example, a chemiluminescent liquid of binary liquid reaction type is generally the device of output purpose.
Patent application No. CN96219763.7 (referred to as scheme 1) discloses a luminous writing pen, which is intended to provide a pen capable of outputting a reactive liquid, wherein the output end of the pen is an area controlled by a valve or a ball bearing to mix the liquids for reaction and output. The design has obvious defects that on one hand, chemiluminescent liquid is highly sensitive to impurities, and two reaction liquids are subjected to cross contamination to cause liquid early failure when an expensive valve or ball release structure works in an opening and closing mode, on the other hand, the open literature does not provide an air inlet and exhaust structure of a cylinder body, ink cannot be normally discharged when external atmosphere cannot enter a pen, and even if the open structure is provided with the air inlet and exhaust design, the problem of high sensitivity of the chemiluminescent liquid to the environment can cause the product to fail in the storage process. Patent application No. CN200820109821.9 (referred to as scheme 2) discloses a luminous liquid output device, which outputs a premixed liquid to the tip of an absorbent material by means of pressurization in a pen. The scheme adopts a separation structure which is complex in operation and expensive in cost, and meanwhile, the pressurization is not easy to control, so that the overflow condition is easily caused. The invention patent with the patent application number of 201810510419.X (recorded as scheme 3) discloses a liquid storage and release device and a pen, and provides a pen with a separation structure, particularly, two substances are simultaneously released in a movable cavity, a premixing cavity formed by a ball body, an orifice plate and a pen cavity is provided, and the liquid is released into a porous adsorption material at the front end to output reaction liquid after being mixed as much as possible. In the methods, the schemes 2 and 3 both propose a premixing step, because in practice, the general structure of the pen is provided with an adsorbing material similar to a foaming pen point or a cotton core, if the binary reaction liquid is not premixed, a certain probability exists that one liquid contacts the adsorbing material first, and in reality, the single-component liquid stops once the adsorbing material contacts the mixing step, and then even if the liquid is fully mixed, the single-component liquid with unreacted front end can only be pushed to continue to be pushed forward for output. And because of the chromatography phenomenon of the adsorption material, the liquid with single component can not be fully mixed with the subsequent liquid in the process, so that the liquid can not generate chemiluminescence reaction until being output to the top end of the pen point, namely, a defective product which does not emit light can be used by a user at the beginning with a certain probability. Scheme 3 is a complex scheme with high cost and uncertain effect, in which a premixing cavity body formed by a ball body, an orifice plate and a pen cavity is adopted. The invention patent with the patent application number of CN201822227787.1 (referred to as scheme 4) discloses a liquid storage and output device and a pen, which provides a technical scheme of extruding and piercing two liquid medicine film capsules respectively to output luminous ink to an output end, and such extruding and piercing scheme is difficult to provide synchronous binary liquid output and mixing functions. Although the buffer layer described in this solution has a mixing effect, it has been found in practice that it is instead a negative factor that the homogeneous output cannot be achieved due to the chromatographic properties of the fibrous adsorbent material. Therefore, the scheme 4 does not provide a specific scheme for controlling the mixing step reliably and effectively, so that once a certain reaction component contacts the pen point made of the porous liquid-absorbing material, the pen point cannot provide luminous ink output capable of emitting light in a normal mixing mode.
Disclosure of Invention
The invention aims to provide an output device for uniformly mixing liquid, which aims to solve the problem that the mixed liquid cannot be uniformly output due to insufficient mixing of a multi-component liquid mixing and outputting device in the prior art.
In order to realize the purpose, the invention adopts the following technical scheme:
an output device for uniformly mixing a liquid, comprising:
the cylinder body is of a hollow columnar structure made of bendable materials and is provided with an open head end and a closed tail end;
the pen point is embedded in the head end of the cylinder body, and the tip part of the pen point extends out of the head end of the cylinder body;
the binary ink storage assembly comprises two or more than two glass ampoules, binary reaction liquid is stored in the glass ampoules separately, and the glass ampoules are placed in the cylinder in parallel;
wherein the ratio of the inner diameter sectional area of the cylinder body to the sum of the outer diameter sectional areas of the plurality of glass ampoule bottles in the cylinder body is less than 3: 1.
Furthermore, a plurality of glass ampoule bottles of the binary ink storage assembly are arranged in pairs, and the length and the diameter of the plurality of glass ampoule bottles are the same, wherein the number of the glass ampoule bottles ranges from 2 to 8, the barrel body is matched with the glass ampoule bottles, and the barrel body is of a cylindrical structure with the inner diameter ranging from 3mm to 15 mm.
Furthermore, the volumes of the reaction solutions corresponding to the glass ampoule bottles are the same;
the length of the glass ampoule bottle is 60% -90% of the length of the inner space of the cylinder body;
the ratio of the length of the glass ampoule bottle to the diameter of the bottle body is more than 10: 1;
the diameter range of the glass ampoule bottle is 1.8-5.2 mm.
Further, the cylinder is of a columnar structure made of polyethylene materials.
Furthermore, the pen point is a bullet structure made of acrylic fiber materials.
Furthermore, a limiting clamping ring is fixed inside the barrel on the rear side of the pen point, the limiting clamping ring is of a columnar structure with a penetrating gap, and an exhaust gap is formed between the pen point and the barrel.
Further, a circular base is arranged at the rear of the limiting clamping ring inside the barrel, the circular base is fixedly connected with the rear end of the limiting clamping ring, a gap for liquid to flow into the limiting clamping ring through the gap is formed between the circular base and the rear end of the limiting clamping ring, and a gap for liquid to flow is formed between the outer wall of the circular base and the inner wall of the barrel.
Furthermore, the limiting snap ring is used as a ventilation plug-in, is preferably made of ABS (acrylonitrile-butadiene-styrene) plastic, is of a hollow cylindrical structure with two open ends, and is provided with a front end facing the head end of the barrel body and a rear end facing the tail end of the barrel body, the pen point is embedded in an opening in the front end of the limiting snap ring, the outer wall of the pen point is seamlessly assembled with the inner wall of the barrel body, a first through hole communicated with the inner space of the limiting snap ring is formed in the outer side wall of the front end of the limiting snap ring, a first slot is formed in the outer side wall of the front end of the limiting snap ring, which is opposite to the first through hole, and a first ventilation channel for connecting the first through hole and the first slot is formed in the outer wall of the limiting snap ring;
the first ventilation channel extends from the first through hole as a starting point in the circumferential direction, vertically turns to the direction of the rear end of the limiting snap ring until the position close to the intersection point of the first ventilation channel is close to the rear end of the limiting snap ring, and reversely extends in the circumferential direction to form a spiral labyrinth type structure which is formed by winding and extending from the front end of the limiting snap ring to the rear end of the limiting snap ring, and after the first ventilation channel extends to the rear end of the limiting snap ring, vertically turns to the position close to the intersection point of the first ventilation channel at the rear end, linearly extends to the front end of the first ventilation channel, and is communicated with the first slot.
Further, a notch is formed at the first slot at the front end of the limiting snap ring.
Further, the end of the cylinder 1 is an open structure, and an end plug is sealed at the end of the cylinder 1.
Further, an exhaust gap is formed between the end plug and the barrel, and an exhaust filtering structure is arranged on the end plug and used for guiding air flow to the exhaust gap.
Further, the end plug is a cylindrical structure with a hollow interior, and has an open end facing the barrel end and a closed end far away from the barrel end, a second through hole communicating with the interior space of the end plug is formed in the end face of the open end of the end plug, a second slot is formed in the outer side wall of the closed end of the end plug on the side opposite to the second through hole, and a second vent channel connecting the second through hole and the second slot is formed in the outer wall of the end plug;
the second ventilation channel extends from the second through hole as a starting point along the circumferential direction, turns vertically to the direction of the closed end of the end plug until the position close to the self intersection point, and extends along the circumferential direction reversely to form a spiral labyrinth structure extending from the open end of the end plug to the closed end of the end plug, and after extending to the closed end of the end plug, turns vertically to the position close to the self intersection point at the closed end and extends straightly to the closed end of the end plug and is communicated with the second slot.
Further, the end plug comprises a plugging pipe column and a circular end cap which are integrally formed from an opening end to a closing end, the diameter of the plugging pipe column is smaller than the inner diameter of the tail end of the cylinder body, the diameter of the circular end cap is larger than or equal to the outer diameter of the tail end of the cylinder body, and the second slot extends to the circular end cap.
Based on the output device, the invention also provides a preparation method, which comprises the following steps:
preparing a plurality of output devices with different structural combinations according to variable factors including the specifications of the cylinder body and the glass ampoule bottle, the pen point material and the viscosity of the mixed liquid;
inducing and grouping a plurality of output devices which accord with a single variable factor to obtain a plurality of comparison groups based on the same variable factor;
the method comprises the steps of carrying out a drawing experiment by combining a plurality of control groups under the same variable factor, collecting luminous parameters output by mixed luminous liquid in the control groups, and evaluating and selecting an optimal scheme for uniformly outputting the mixed luminous liquid under a single variable factor according to the luminous parameters among the control groups;
and determining the optimal combination scheme of the cylinder body of the output device, the specification of the glass ampoule bottle, the pen point material and the viscosity of the mixed liquid according to the optimal scheme selected under the multiple single variable factors.
Further, the method for determining the specifications of the cylinder body and the glass ampoule bottle comprises the following steps: the method comprises the steps of configuring output devices with glass ampoules with different diameters in a dye calibration mode, forming two groups of comparison groups, externally labeling two groups of reaction liquid with the dye, respectively absorbing the wavelengths of dyes with different colors based on the two groups of reaction liquid, respectively outputting mixed luminous liquid of the two groups of comparison groups to a paper surface, evaluating the mixing characteristics of the two groups of comparison groups of reaction liquid in the two groups of comparison groups according to the concentration change of the two dyes in the collected ink marks by measuring the ink marks of the mixed luminous liquid of the two groups of comparison groups at the initial, middle and end writing stages on the paper surface, and determining the proportion of the inner diameter sectional area of a cylinder body to the sum of the outer diameter sectional areas of a plurality of glass ampoules in the cylinder body.
Furthermore, the cylinder sizes of the output devices of the two groups of comparison groups are consistent, the comparison group with the large diameter of the glass ampoule bottles is the output device with the two glass ampoule bottles, and the two glass ampoule bottles are respectively filled with the luminescent liquid and the activating liquid;
the control group with small diameter of the glass ampoules is an output device with four glass ampoules, wherein two glass ampoules are filled with the luminous liquid, and the other two glass ampoules are filled with the activating liquid.
Further, the method for determining the specifications of the cylinder body and the glass ampoule bottle comprises the following steps: the method comprises the steps of configuring output devices with different numbers of glass ampoules, forming a plurality of groups of comparison groups, outputting mixed luminous liquid of the plurality of groups of comparison groups to a paper surface respectively, drawing lines, measuring and recording the length of the drawn lines of each group of comparison groups from a drawing starting point to a luminous position, evaluating the mixing characteristics of binary reaction liquid in the plurality of groups of comparison groups according to the length of the drawn lines, and determining the proportion of the inner diameter sectional area of a cylinder body to the sum of the outer diameter sectional areas of a plurality of glass ampoules in the cylinder body.
Further, multiple control groups included:
the output device is provided with two glass ampoule bottles, and the cross section of a cylinder body of the output device is oblong;
the output device is provided with two glass ampoule bottles, and the cross section of a cylinder body of the output device is circular;
the device is provided with output devices with more than two glass ampoule bottles, and the cross section of a cylinder body of the device is circular;
the inner diameter of the cylinder body is matched with the number of the glass ampoule bottles, and the inner diameter of the cylinder body with more glass ampoule bottles is larger than the inner diameter of the cylinder body with less glass ampoule bottles.
Further, the method for determining the pen point material comprises the following steps: and (3) configuring output devices with pen points made of different materials to form a plurality of groups of comparison groups, and evaluating the mixing characteristics of the binary reaction liquids in the plurality of groups of comparison groups according to the recorded and calculated average time from mixing of the binary reaction liquids of each group of comparison groups to wetting of the pen points, the length from non-luminescence to luminescence of the lines drawn on the paper surface by the mixed luminescent liquid, and the luminescence degree output to the paper surface by the output devices, and determining the optimal material scheme of the pen points.
Further, the method for determining the viscosity of the mixed liquid comprises the following steps: respectively configuring a plurality of luminescent liquids with different viscosities and a plurality of activating liquids with different viscosities, combining the luminescent liquids and the activating liquids into a plurality of output devices containing the luminescent liquids and the activating liquids in pairs to form a plurality of groups of comparison groups, the mixed luminescent liquid of a plurality of groups of contrast groups is respectively output to the paper surface in a mode of externally labeling a binary reaction liquid with dye based on the fact that the binary reaction liquid respectively absorbs the wavelengths of the dyes with different colors, and the concentration of two dyes in the mixed luminescent liquid painting and calligraphy ink in each group of comparison groups is measured, an ideal central value is set, and according to the concentration ratio of the two dyes in the comparison groups, calculating and obtaining the discrete state of the mixed state and the ideal central value of the luminous liquid and the activating liquid in the group of the control group through a formula, and according to the calculated deviation between the discrete state and the ideal central value, evaluating the mixing characteristics of the binary reaction liquid in the multiple groups of control groups, and determining the optimal viscosity interval of the binary reaction liquid.
Further, the viscosity interval with the optimal mixing effect is determined by the determination method of the viscosity of the mixed liquid as follows: the viscosity ratio of the luminescent liquid to the activating liquid ranges from 0.6 to 1.6.
Further, the viscosity interval with the optimal mixing effect is determined by the determination method of the viscosity of the mixed liquid as follows: any combination of a luminescent liquid having a viscosity in the range of 35-253.5cpp and an activating liquid having a viscosity in the range of 20-235 cpp.
Further, the viscosity interval with the optimal mixing effect is determined by the determination method of the viscosity of the mixed liquid as follows: any combination of a luminescent liquid having a viscosity in the range of 80-180cpp and an activating liquid having a viscosity in the range of 70-176 cpp.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. through arranging an output device composed of a barrel, a pen point, an end plug, a binary ink storage assembly and the viscosity of a binary reaction liquid, based on experimental evaluation of the viscosity of the barrel, the pen point, a glass ampoule bottle and the binary reaction liquid, the barrel, the pen point, the glass ampoule bottle and the binary reaction liquid with the most suitable specifications are selected, and the optimal combination mode of the components is determined, so that the output device with a reliable, simple and low-cost structure is determined, and the problem that the liquid cannot be uniformly mixed and output when a chemiluminiscence pen is started is solved;
2. through set up the vent structure between nib and barrel, between end plug and barrel respectively to for a large amount of liquid flow provides the space in the vent channel as required, thereby when keeping along with writing or painted exhaust intracavity writing liquid, realize the pressure balance between barrel intracavity pressure and the nib department total pressure, liquid mixing can even output when guaranteeing the chemiluminescence pen starts, and avoid ink to leak from the barrel.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic view of an overall structure of an output device for uniformly mixing liquids according to embodiment 1 of the present invention;
fig. 2 is a schematic view of the overall structure of an output device for uniformly mixing liquids according to embodiment 2 of the present invention;
fig. 3 is an exploded view of a device for uniformly mixing liquids according to embodiment 2 of the present invention;
fig. 4 is a schematic structural assembly view of a limit snap ring and a pen point of the output device for uniformly mixing liquids according to embodiment 2 of the present invention;
fig. 5 is a schematic structural view of a limiting snap ring of an output device for uniformly mixing liquids according to embodiment 2 of the present invention;
fig. 6 is a schematic structural diagram of an end plug of an output device for uniformly mixing liquid provided by embodiment 2 of the invention;
FIG. 7 is a peak diagram of the absorption of a luminescent liquid according to a method of the present invention;
FIG. 8 is a peak absorption diagram of an activating solution in accordance with one embodiment of the present invention;
FIG. 9 is a peak diagram of absorption of a mixed luminescent liquid according to a method of the present invention;
FIG. 10 is a graph illustrating the relationship between the concentration of red dye in the mixed solution and the ABS value according to an embodiment of the present invention;
FIG. 11 is a graph illustrating the relationship between the concentration of blue dye in the mixed solution and the ABS value according to a manufacturing method of the present invention;
FIG. 12 shows the relationship between the pen container and the glass ampoule bottle with different cross-sectional area ratios according to one embodiment of the present invention.
The reference symbols in the drawings denote the following:
1. a barrel; 2. a pen point; 3. an end plug; 31. a second through hole; 32. a second slot; 33. a second vent passage; 34. inserting a pipe column; 35. a circular end cap; 4. a glass ampoule bottle; 5. a limit snap ring; 51. a first through hole; 52. a first slot; 53. a first vent passage; 54. a recess; 55. a circular base; 6. and (7) capping.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Because the device of many first liquid mixing output among the prior art, because of mixing inadequately and leading to the mixed liquid can not evenly export. Based on the existing liquid mixing output device, the invention determines the optimal combination scheme of the specification of the barrel and the glass ampoule bottle of the output device, the pen point material and the viscosity of the mixed liquid according to the optimal scheme selected under a plurality of single variable factors by respectively carrying out the binary reaction liquid mixing drawing experiment of the single variable factors on the barrel, the glass ampoule bottle of the binary reaction liquid and the pen point structure of the output device, thereby providing a specific scheme to control the reliability and effectiveness of the mixing step, preparing the output device with a reliable, simple and low-cost structure, and effectively solving the problem that the liquid cannot be uniformly mixed and output when the liquid mixing output device is used.
The embodiment of the present invention will be described in detail by examples.
Example 1
As shown in fig. 1, the present invention provides an output device for uniformly mixing liquids, which comprises a barrel 1, a pen point 2 and a binary ink storage assembly, and is specifically set as follows:
the barrel 1 is a hollow cylindrical structure made of bendable material and has an open head end and a closed tail end, and preferably, the barrel 1 is a cylindrical structure made of low-pressure polyethylene. The pen point 2 is embedded in the head end of the cylinder 1, and the tip part of the pen point 2 extends out of the head end of the cylinder 1 to be used as the output end of the output device, preferably, the pen point 2 is a bullet head structure made of acrylic fiber materials. The binary ink storage component comprises two or more than two glass ampoules 4, binary reaction liquid is stored in the glass ampoules in a separated mode, and the glass ampoules 4 are placed in the barrel body 1 in parallel. Wherein, the ratio of the inner diameter sectional area of the cylinder body 1 to the sum of the outer diameter sectional areas of the plurality of glass ampoules 4 in the cylinder body 1 is less than 3:1, and preferably less than 2: 1.
Further, the plurality of glass ampoules 4 of the binary ink storage assembly are arranged in pairs, and the length and diameter of the plurality of glass ampoules are the same, and the number thereof is in the range of 2-8, and the preferred glass ampoules 4 are four or six or eight, with four being most preferred. Based on the number of glass ampoules 4, the cylinder body 1 is adapted to the glass ampoules 4, namely, the cylinder body 1 is in a cylindrical structure with an inner diameter ranging from 3mm to 15mm, preferably from 5mm to 12mm, and preferably, the cylinder body 1 with an inner diameter of 11mm is matched with four glass ampoules 4 with an outer diameter of 4 mm.
Preferably, in the above parallel arrangement method of the glass ampoule bottles 4, a paired two-branch arrangement mode is to place one glass ampoule bottle 4 in another slightly larger glass ampoule bottle 4, and in view of the non-synchronization of the inner and outer glass cores during starting, another pair of glass ampoule bottles 4 sleeved in pairs with opposite charging sequences is arranged, so that the equivalent effect of the above paired arrangement scheme can be achieved.
Furthermore, the volumes of the reaction solutions corresponding to the glass ampoule bottles 4 are the same;
the length of the glass ampoule bottle 4 is 60-90% of the length of the inner space of the cylinder body 1;
the ratio of the length of the glass ampoule 4 to the diameter of the body is greater than 10:1, and preferably greater than 15: 1;
the diameter of the glass ampoule 4 is in the range of 1.8-5.2mm, and preferably 2.1-4.3 mm;
the height of the liquid medicine in the glass ampoule 4 is more than 50%, preferably 75%, of the length of the glass ampoule 4.
Through the structure arrangement, the invention selects the cylinder body 1, the pen point 2 and the glass ampoule bottle 4 with the most suitable specification based on the experimental evaluation of the cylinder body 1, the pen point 2 and the glass ampoule bottle 4, and determines the optimal combination mode of the components, thereby determining the output device with a reliable, simple and low-cost structure, and solving the problem that the liquid cannot be uniformly mixed and output when the chemical luminous pen is started.
Furthermore, a limiting snap ring 5 is fixed at the rear side of the pen point 2 in the cylinder 1 and is used for being cushioned between the pen point 2 and the glass ampoule bottle 4 so as to prevent the pen point 2 from retreating. The limiting snap ring 5 is of a cylindrical structure with a through gap, and can be a'm' -shaped cylinder with a gap besides an annular center hole mode, so that the limiting snap ring 5 can filter and exhaust air. Wherein, an exhaust gap is formed between the pen point 2 and the cylinder 1.
Example 2
As shown in fig. 2 and 3, the exhaust gas filtering apparatus differs from embodiment 1 in that, based on the exhaust gas filtering structure in embodiment 1, the following specific arrangements are provided:
referring to fig. 4 and 5, the limiting snap ring 5 is a ventilation plug, and is a hollow cylindrical structure with two open ends, which is made of ABS material (ABS plastic is a terpolymer of three monomers of acrylonitrile (a), butadiene (B), and styrene (S), and the relative contents of the three monomers can be changed at will to make various resins), and has a front end facing the head end of the cylinder and a rear end facing the tail end of the cylinder, and the pen point 2 is embedded in the opening at the front end of the limiting snap ring 5. The outer wall of the limiting snap ring 5 and the inner wall of the barrel body 1 are assembled in a seamless mode. A first through hole 51 communicated with the inner space of the limiting snap ring 5 is formed in the outer side wall of the front end of the limiting snap ring 5, a first slot 52 is formed in the outer side wall of the front end of the limiting snap ring 5, which is opposite to the first through hole 51, and a first ventilation channel 53 connected with the first through hole 51 and the first slot 52 is formed in the outer wall of the limiting snap ring 5;
the first ventilation channel 53 extends along the circumferential direction with the first through hole 51 as a starting point until the position close to the intersection point of the first ventilation channel vertically turns to the rear end direction of the limiting snap ring 5 and reversely extends along the circumferential direction to form a spiral labyrinth structure extending from the front end of the limiting snap ring 5 to the rear end of the limiting snap ring 5 in a winding manner, and the first ventilation channel 53 extends to the rear end of the limiting snap ring 5, perpendicularly turns to the front end of the first ventilation channel 53 at the position close to the intersection point of the first ventilation channel at the rear end, and is communicated with the first slot 52. Preferably, a notch 54 is formed at the first slot 52 at the front end of the retainer ring 5.
As described above, the outer wall of the retainer snap ring 5 is tightly and completely fitted inside the cylinder 1.
Further, a circular base 55 is arranged inside the cylinder 1 behind the limit snap ring 5. Circular base 55 is connected with the rear end of spacing snap ring 5 admittedly, and is formed with the gap that supplies liquid to flow into spacing snap ring 5 inside from barrel 1 between the rear end of circular base 55 and spacing snap ring 5. The diameter of the circular base 55 is slightly smaller than the inner diameter of the cylinder 1, so that a gap for liquid to flow is formed between the outer wall of the circular base 55 and the inner wall of the cylinder 1. By this arrangement, the mixing liquid around the circular base 55 can flow from within the cartridge 1 into the retaining collar 5 and at the same time prevent larger particles, such as glass fragments, which may be generated when one or more glass ampoules 4 are broken.
The round base 55 has a blocking effect on broken glass pieces, and another important function is that a mixed solution of luminous liquid/activation liquid which may not be fully mixed uniformly at the starting time is slightly stopped and contacted for mixing, and tests prove that the use of the limiting snap ring 5 with the round base 55 plays a good role in preventing serious uneven mixing in a high-viscosity liquid test compared with the direct use of the limiting snap ring 5, so that the application of high-viscosity ink is improved.
For example; a glass ampoule 4 for a high viscosity light emitting liquid/activating liquid was used as an output device by itself, in which the viscosity of the light emitting liquid was 330cp, in the evaluation mode D in example 3 below; the viscosity of the activating liquid is 300 cp; ten limiting snap rings 5 with circular bases 55 are used for manufacturing ten, ten limiting snap rings 5 with circular bases 55 are removed for manufacturing ten, and an output device is started according to the method of the evaluation mode D to test the distribution proportion of the first drawn marks of the red and blue dye after the pen point is wetted when the red and blue dye is started. If either the red Ca or blue Cb concentration is measured at 0ppm, it is flagged as a severe uneven mixing event.
Through experiments, the serious uneven mixing event of the output device manufactured by the limiting clamp ring 5 with the round base 55 is zero;
the serious mixing unevenness of the output device manufactured by removing the limit snap ring 5 of the round base 55 is three times.
In addition, the material selection of the limit snap ring 5 also has an influence on the output of the luminous liquid/the activation liquid, the ink output is uneven when non-polar materials such AS PP (polypropylene) or PE (polyethylene) and the like which are inert with the mixed liquid of the luminous liquid/the activation liquid are used, and the output characteristic of the mixed liquid of the luminous liquid/the activation liquid is smooth and stable when plastic materials with polar functional groups such AS ABS (acrylonitrile butadiene styrene), PC (polycarbonate), PC-ABS (acrylonitrile butadiene styrene), TPU (polyurethane), AS, PS and the like are used.
Preferably, the cap 6 is sleeved on the pen point 2, and the cap 6 is connected with the head end of the barrel 1 through a snap fit, so that the cap 6 is sleeved on the pen point 2 to prevent accidental marks or ink from drying.
As shown in fig. 6, the end of the barrel 1 is open and an end plug 3 is sealed at the end of the barrel 1. Preferably, an air exhaust gap is formed between the end plug 3 and the barrel 1, and an air exhaust filtering structure is arranged on the end plug 3 and used for guiding air flow to the air exhaust gap.
Further, the end plug 3 serves as a terminal blocking member, which is a cylindrical structure with a hollow interior, and has an open end facing the terminal end of the barrel body 1 and a closed end remote from the terminal end of the barrel body 1. A second through hole 31 communicated with the inner space of the end plug 3 is arranged on the end face of the open end of the end plug 3, a second slot 32 is arranged on the side opposite to the second through hole 31 on the outer side wall of the closed end of the end plug 3, and a second ventilation channel 33 connected with the second through hole 31 and the second slot 32 is arranged on the outer wall of the end plug 3;
the second ventilation channel 33 extends from the second through hole 31 in the circumferential direction until the position near the intersection point turns vertically toward the closed end of the end plug 3, and extends reversely in the circumferential direction to form a spiral labyrinth structure extending from the open end of the end plug 3 to the closed end of the end plug 3, and after the second ventilation channel 33 extends to the closed end of the end plug 3, the second ventilation channel turns vertically at the closed end near the intersection point and extends straight toward the closed end of the end plug 3, and is communicated with the second slot 32. Preferably, the end plug 3 comprises a plugging pipe column 34 and a circular end cap 35 which are integrally formed from an open end to a closed end, the diameter of the plugging pipe column 34 is smaller than the inner diameter of the tail end of the cylinder body 1, and the diameter of the circular end cap 35 is larger than or equal to the outer diameter of the tail end of the cylinder body 1. Wherein the second slot 32 extends to the circular end cap 35.
Wherein the closed wall of the vent channel is formed by a groove embedded in the outer surface of the main body (the limit snap ring 5 or the end plug 3) and the inner surface of the cylinder body 1, the outer surface of the main body is in close abutting contact with the inner surface of the cylinder body 1, so that the fluid in the vent channel cannot escape from between the main body and the cylinder body 1, and the vent channel forms a continuous closed channel from the through hole to the slot, and the fluid (mixed ink and air) can only flow into and out of the vent channel through the through hole or the slot.
Those skilled in the art will appreciate that the design (size, cross-sectional configuration, and pattern) of the vent channels can vary depending on a number of factors and can be adjusted to optimize the pressure balance of the ink at the pen tip. This design is intended to achieve a pressure balance or equalization between the ink chamber pressure and the total pressure at the marker tip or tip as the chamber is depleted of ink as it is written or painted. The design also needs to take into account the volume of ink that is expected to move due to pressure and temperature changes so that the channel is of sufficient size to accommodate the expected volume of ink without leaking when these changes occur. For example, the ink volume may be displaced by a change in air pressure due to reaction of the glow ink composition. Parameters including physical properties of the ink, such as surface tension, specific gravity, viscosity, and vapor pressure, may also be considered in determining the size and configuration of the vent channel to optimize its function. Pressure variations, including the ink head pressure, can be balanced and counteracted by capillary pressure. The cross-sectional area of the vent channel can be designed to achieve the appropriate capillary pressure to balance the system in static and dynamic applications. This capillary pressure in the vent channel is a function of the surface tension of the liquid and the surface energy of the vent channel material. Thus, the vent channel may be designed such that pressure changes at the pen tip are offset by capillary pressure at the ink/air interface at any point along the vent channel. The equilibrium pressure includes the capillary pressure provided by the nib material (similar to the meniscus formed by the ink on the tubular tip). It is within the ability of those skilled in the art to readily determine the ideal geometry of the vent passage based on these factors.
With the arrangement described above, the vent passage extending from the vent hole to the interior of the barrel 1 allows air to enter the output device to replace the volume of ink that flows out of the output device via the nib as the user writes or colors. This enables the ink inside the barrel 1 to continue to flow through the nib as the user writes or paints, and also enables the output device to achieve pressure equalisation in response to temperature and/or pressure changes which expand the volume of air inside the barrel 1, based on the vent holes and vent channels.
Example 3
The invention also provides a preparation method, which comprises the following steps:
preparing a plurality of output devices with different structural combinations according to variable factors including the specifications of the cylinder 1 and the glass ampoule bottle 4, the material of the pen point 2 and the viscosity of the mixed liquid;
inducing and grouping a plurality of output devices which accord with a single variable factor to obtain a plurality of comparison groups based on the same variable factor;
the method comprises the steps of carrying out a drawing experiment by combining a plurality of control groups under the same variable factor, collecting luminous parameters output by mixed luminous liquid in the control groups, and evaluating and selecting an optimal scheme for uniformly outputting the mixed luminous liquid under a single variable factor according to the luminous parameters among the control groups;
and determining the optimal combination scheme of the specifications of the cylinder 1 and the glass ampoule bottle 4 of the output device, the material of the pen point 2 and the viscosity of the mixed liquid according to the optimal scheme selected under a plurality of single variable factors.
As described above, an evaluation method a is provided:
since the chemiluminescence intensity continuously changes with time, temperature, environment, and the like, it is difficult to evaluate the mixed output situation as measured by the luminescence intensity written on the paper. Accordingly, the present invention also provides a method for assessing the specification of a cylinder and a glass ampoule, comprising: the method comprises the steps of configuring output devices with glass ampoules 4 with different diameters by adopting a dye calibration mode, forming two groups of comparison groups, externally labeling binary reaction liquid with the dye, respectively absorbing the wavelengths of dyes with different colors based on the binary reaction liquid, respectively outputting mixed luminous liquid of the two groups of comparison groups to a paper surface, evaluating the mixing characteristics of the binary reaction liquid in the two groups of comparison groups by measuring ink marks of initial, middle and final three writing stages of the mixed luminous liquid of the two groups of comparison groups on the paper surface according to the concentration change of the two dyes in the collected ink marks, and determining the proportion of the inner diameter sectional area of a cylinder body 1 to the sum of the outer diameter sectional areas of a plurality of glass ampoules 4 in the cylinder body 1.
Further, the method for acquiring the concentration change of the two dyes in the ink mark comprises the following steps: preparing dye external standard binary reaction liquid, respectively carrying out wavelength acquisition on the two reaction liquids through a full-wavelength scanning surface of an ultraviolet visible light absorption photometer to obtain absorption peak maps of the two reaction liquids, then carrying out wavelength acquisition on mixed luminescent liquid obtained by uniformly mixing the two reaction liquids through the full-wavelength scanning surface of the ultraviolet visible light absorption photometer to obtain the absorption peak map of the mixed liquid, sectionally changing the concentrations of the two dyes in the mixed liquid from low to high through a mode of mixing the two reaction liquids in a gradient manner, respectively measuring ABS absorption values of the concentrations of the two dyes in a plurality of change sections based on the absorption peak maps of the mixed liquid, determining a concentration standard curve regression equation of the two dyes according to parameter values of the concentrations of the dyes and the ABS absorption values, and measuring the ABS values of the absorption peaks of the two dyes by adopting visible light absorption based on ink marks drawn from an output device, and calculating the concentrations of the two dyes in the ink by using a concentration standard curve regression equation. The preparation of the dye external standard binary reaction liquid comprises the preparation of luminescent liquid and the preparation of activating liquid, wherein the preparation of the luminescent liquid comprises 4.9% of bis-oxalate, 95% of triethyl citrate and 78% of red fluorescent dye BASF Rot 3050.1000%; the activating solution comprises 2.9% of hydrogen peroxide, 97% of triethyl citrate, 100ppm of sodium salicylate and 0.1000% of blue dye bisalkane ether isoviolanthrone.
The output devices of the two groups of comparison groups have the same cylinder body 1 size, the comparison group with the large diameter of the glass ampoule bottles 4 is the output device with the two glass ampoule bottles 4, and the two glass ampoule bottles 4 are respectively filled with the luminescent liquid and the activating liquid;
the control group with the small diameter of the glass ampoule bottles 4 is an output device with four glass ampoule bottles 4, wherein two glass ampoule bottles 4 are filled with luminous liquid, and the other two glass ampoule bottles 4 are filled with activating liquid.
To further illustrate the evaluation method of this embodiment, the following is exemplified:
as shown in fig. 7, the luminescent liquid was diluted 1000 times with ethyl acetate and scanned over the full wavelength with an ultraviolet-visible absorption spectrometer to obtain an absorption peak chart. A typical absorbance peak at 568nm from the red dye is visible in the visible range. As shown in fig. 8, the activation solution was diluted 1000 times with ethyl acetate and scanned over the full wavelength with an ultraviolet-visible absorption spectrometer to obtain an absorption peak diagram. A typical absorption peak at 641nm from blue dye is visible in the visible range. As shown in fig. 9, a dilution 1 of the luminescent liquid and the activating liquid: 1, scanning the surface with a full wavelength of an ultraviolet visible light absorption photometer to obtain an absorption peak diagram. Wherein peak 1# is the absorption peak of blue dye 641 nm; peak 2# is the absorbance peak at 568nm of the red dye. As shown in fig. 10 and 11, the concentrations of the two dyes in the mixed solution were varied stepwise from 0.1ppm to 0.9ppm by mixing 1000-fold dilutions of the luminescent solution and the activating solution in a gradient manner, and ABS absorption values were measured for each concentration, and a regression equation of the concentration standard curves of the two dyes was derived from the graphs.
The output device is composed of a barrel 1, a pen point 2, an end plug 3 and a glass ampoule bottle 4 which are shown in figure 1, wherein: the cylinder body 1 is made of LDPE (high pressure-low density polyethylene) with the inner diameter of 12mm and the length of 150mm, the high-pressure polyethylene material can be bent, the pen point 2 is made of absorbent acrylic fiber material with air holes, and glass ampoules 4 respectively containing binary reaction liquid are arranged.
Wherein, each glass ampoule bottle 4 with the outer diameter of 5.8mm and the length of 100mm is respectively filled with luminous liquid and activating liquid, the filling height is 80mm, and three luminous pens are manufactured; in addition, three luminous pens are manufactured, each luminous pen is provided with four glass ampoule bottles 4, and the size of each luminous pen is 4.6mm in diameter and 100mm in length. Wherein the two branches are filled with luminous liquid and the two branches are filled with activating liquid, and the medicine height is 80 mm.
And sequentially horizontally bending and starting the six output devices, vertically shaking each pen head for 5 times, after the pen head 2 is soaked in liquid, drawing a first initial ink mark with the length of about 20cm on the 1# quantitative filter paper, transversely drawing twenty lines on the copy paper with the size of A4, drawing a next middle-stage ink mark with the length of 20cm on the 2# quantitative filter paper, transversely drawing twenty lines on a new copy paper with the size of A4, and drawing a next tail sound ink mark with the length of 20cm on the 3# quantitative filter paper. The filter paper with three ink marks is cut off, the ink marks are soaked and dissolved by proper amount of ethyl acetate (when the measured ABS value exceeds the working curve range, the solvent can be properly added for dilution or the solvent is evaporated for concentration), then the ABS values of corresponding absorption peaks are respectively measured by visible light absorption photometers 568nm and 641nm, and the concentration of the corresponding red dye and the blue dye in the ethyl acetate dilution is calculated according to the absorption values by using corresponding concentration standard curve regression equation (refer to table 1).
Figure BDA0003606131890000131
TABLE 1 table for the concentration of different dyes in the ink drawn by the output device
As shown in Table 1, it is found from the principle that the closer the concentration ratio of the red dye to the blue dye in the ethyl acetate diluted solution is to 1.0, the more uniform the reaction solution outputted from each stage is. In table 1, the output mix of the three phases per pen can be seen from the red/blue ratios of the phases approaching or departing from 1.0: the ratio of the mixed output of the fluorescent pens of the two glass ampoules with the diameter of 5.8mm fluctuates on two sides of 1.0 more violently, which indicates that the binary reaction liquid is not mixed very uniformly in the whole using process, even the first pen fails to output any mixed component when being started, but all the mixed components are activated liquid, and no luminescence is generated under the condition, so that the difference of the brightness conditions of the chemiluminescence reaction can be expected to be larger, and the uniformity and the luminescence time of a picture can not be too stable; and the ratio data of the four luminous pens with 4.6mm glass ampoules is basically near 1.0, which indicates that the mixing effect is better, and the luminous condition can more easily achieve the expected effect of the formula.
As described above, unlike the evaluation method a, an evaluation method B is provided:
the evaluation method of the specification of the cylinder body 1 and the glass ampoule bottle 4 comprises the following steps: configuring an output device with different numbers of glass ampoules 4, forming a plurality of groups of comparison groups, respectively outputting mixed luminous liquid of the plurality of groups of comparison groups to a paper surface, drawing lines, measuring and recording the length of the drawn lines of each group of comparison groups from a drawing starting point to a luminous position, evaluating the mixing characteristics of the binary reaction liquid in the plurality of groups of comparison groups according to the length of the drawn lines, and further determining the proportion of the inner diameter sectional area of the cylinder body 1 to the sum of the outer diameter sectional areas of the plurality of glass ampoules 4 in the cylinder body 1.
Wherein the multiple control groups comprise:
the output device is provided with two glass ampoule bottles 4, and the cross section of a cylinder body 1 of the output device is oblong;
the output device is provided with two glass ampoule bottles 4, and the cross section of a cylinder body 1 of the output device is circular;
the device is provided with output devices with more than two glass ampoule bottles 4, and the cross section of a cylinder body 1 is circular;
the inner diameter of the barrel body 1 is matched with the number of the glass ampoule bottles 4, and the inner diameter of the barrel body 1 with more glass ampoule bottles 4 is larger than the inner diameter of the barrel body 1 with less glass ampoule bottles 4.
In this embodiment, the configuration of the binary reaction solution may be configured in a conventional manner, such as:
activating liquid: 1.5 percent of hydrogen peroxide; 98.5 percent of dimethyl phthalate; 100ppm of sodium salicylate;
luminescent liquid: 4.8% of bis-oxalate; 95% of butyl benzoate; fluorescent dye 1-Cl-BPEA 0.2%.
To further illustrate the evaluation method of this embodiment, the following is exemplified:
an output device is formed according to the structural schematic diagram of a cylinder body 1, a pen point 2, an end plug 3 and a glass ampoule bottle 4 shown in figure 1, the plastic cylinder body 1 is horizontally bent twice, the glass ampoule bottle 4 in the plastic cylinder body is broken, the plastic cylinder body is vertically shaken ten times, the pen point 2 is repeatedly scratched on a white copy paper with a 20cm long cross track after the liquid completely wets the pen point, and the scratching is stopped when the drawn line is observed to be uniform and normally luminous. The length from the start of the line to the full normal bright light position was measured and recorded. If the light is outputted in a normal mixed state, the light is normally emitted from the starting point, and the light is recorded as 0cm, and the longer the length, the worse the mixing is, and if the light is not emitted in a yellow color from the starting point, the light-emitting liquid is outputted without being mixed. If the colorless liquid leaves a mark at the starting point and the gradual line turns yellow, the activation liquid is output before being mixed.
As shown in FIG. 12, the inner diameter of the cylinder 1 of the No. 1-6 sample is 11mm, and the length of the cylinder is 16 cm; the cylinder 1 of sample No. 7 is oblong with inner dimension 13 x 6mm, the front end of the cylinder 1 is reshaped into a round tube shape and is connected with the pen point 2, and the length of the cylinder 1 is 16.3 cm; the pen point 2 is an acrylic fiber pen point with the diameter of 8mm, and the length of the glass ampoule bottle 4 is 70 mm; the height of the medicine is 55 mm; the No. 5 sample is a glass ampoule bottle 4 containing two activating liquids and one luminescent liquid, and the loading amounts are not equal. Specific experimental parameters refer to table 2.
Figure BDA0003606131890000141
Figure BDA0003606131890000151
Table 2 table of lengths from starting point to light emitting position of line drawn by output device
As can be seen from table 2, the output devices of sample nos. 1#, 2# and 3# filled with ten, eight and six glass ampoules 4 have a maximum of 94% of mixed output in normal starting of fifty samples, and 92% of mixed output in normal starting of four glass ampoules 4, and the distances between the drawn lines of the light-emitting pens of the four glass ampoules 4 and the drawn lines of the eight and six glass ampoules 4 are not different from each other in value in terms of the distances between the drawn lines of the non-light-emitting tests of the fifty samples, but the average pen tip soaking time is significantly shorter, only about one minute. In the output devices of the samples 1#, 2# and 3#, the average soaking time required by the pen point 2 is about 2-3 minutes because the glass ampoule bottle 4 is broken and the liquid conveying is greatly blocked, so that the user experience is not good;
the unbalanced-charged sample No. 5 with three glass ampoules 4 can be normally mixed to output a written sample with the amount of less than 50%, and the mixing effect is the worst. When the sample No. 6 is in a configuration mode that the sectional area in the tube is more than two and less than three than that of the glass ampoule bottle 4, the glass ampoule bottles 4 are small in number and the space in the tube is large, so that the crushing time is not necessarily synchronous, the single liquid medicine is released and flows fast, the probability of non-uniform mixing and contact with the pen 3 is high, and the qualified mixing ratio is only 64%;
the sample No. 7 is that the cross section of the cylinder body 1 is changed into an oblong shape, the sectional area in the pipe is smaller than that of the glass ampoule bottle 4, but the two glass ampoule bottles 4 are crushed and unsynchronized, so the count proportion of normal qualified mixed output is 74 percent. However, the wetting time of the pen point 2 is short, the non-luminous distance of each pen stroke which is not qualified to output is 43cm on average, and the user still has high acceptance.
The experimental data can be seen in a comprehensive mode, the glass ampoule bottles 4 of the binary reaction liquid are arranged in pairs, the loading amount of the binary liquid is equal, and the liquid luminous pen is effectively improved and uniformly mixed and output is greatly facilitated. The space occupied by the four glass ampoules 4 in the cylinder body 1 is moderate, the four glass ampoules 2 can be simultaneously crushed at a high rate when the ampoule is bent and started, 2/3 probability can be generated to effectively mix even if only two ampoules are crushed, and in addition, the crushed glass slag volume is moderate, so that overlarge resistance can not be generated on liquid output, a good tray effect can be formed, and the uniform mixing of binary reaction liquid is promoted. Moreover, the cost of four glass ampoule bottles is lower than six, eight and ten glass ampoule bottles, and the assembly and counting are convenient.
As described above, unlike the evaluation method a and the evaluation method B, an evaluation method C is provided:
the evaluation method of the pen point 2 material comprises the following steps: configuring output devices with pen points 2 made of different materials and forming a plurality of groups of comparison groups, evaluating the mixing characteristics of the binary reaction liquids in the plurality of groups of comparison groups according to the recorded and calculated average time from mixing of the binary reaction liquids of each group of comparison groups to wetting of the pen points 2, the length from non-luminescence to luminescence of the lines drawn on the paper surface by the mixed luminescent liquid output and the luminescence degree output to the paper surface by the output devices, and determining the optimal material scheme of the pen points 2.
To further illustrate the evaluation method of this embodiment, the following is exemplified:
with a cross-sectional area of 50mm 2 The diameter or the section side length of the four-material pen point 2 is 7-8mm, and the length of the four-material pen point is 20 mm: the mixed release effect of the binary reaction liquid is tested by an acrylic pen point, a fiber pen point, a sintered pen point and a felt pen point.
The output devices are assembled by the four pen points 2, twenty output devices are assembled by each pen point 2, the average time from the start of the output device of each pen point 2 to the wetting of the pen point 2, the sum of the distances between the twenty output devices which do not emit light when drawing lines on paper and the light emitting situation when the human eyes observe that the paper surface stably writes are recorded and calculated after the bending is started, and the evaluation is carried out.
In this evaluation method, the liquid formulation in the second evaluation method was used, and the structural method of sample No. 4: four glass ampoule bottles 4 with the diameter of 4mm, wherein two of the glass ampoule bottles are filled with luminous liquid and two of the glass ampoule bottles are filled with activating liquid, the total volume of the liquid medicine is 2.1ml, and the specific experimental parameters refer to table 3.
Figure BDA0003606131890000161
TABLE 3 Pen point experiment parameter table of output device
As can be seen from table 3, the shortest ink discharging time, the smallest uneven output and the large output required for the uniform mixing of the acrylic nib 2 are the best material choices for the chemiluminescent liquid output medium. The absorption and conduction speed of the sintering pen point and the felt pen point to the luminous liquid is too low, the output quantity of the liquid is too small, and the sintering pen point and the felt pen point are not suitable for the pen point 2 material which is the most output device.
As described above, unlike the evaluation method a, the evaluation method B, and the evaluation method C, an evaluation method D is provided:
the method for determining the viscosity of the mixed liquid comprises the following steps: respectively configuring a plurality of luminous liquids with different viscosities and a plurality of activating liquids with different viscosities, combining the luminous liquids and the activating liquids into a plurality of output devices containing the luminous liquids and the activating liquids in pairs to form a plurality of groups of comparison groups, respectively outputting the mixed luminous liquids of the groups of comparison groups to a paper surface based on the wavelength of dyes with different colors respectively absorbed by the binary reaction liquids in a mode of evaluating dye external standard binary reaction liquids in the mode A, measuring the concentrations of two dyes of the mixed luminous liquids in each group of comparison groups for writing and painting ink marks, setting an ideal central value, calculating the discrete state of the mixed state of the luminous liquids and the activating liquids in the group of comparison groups and the ideal central value through a formula according to the concentration ratio of the two dyes in the comparison groups, and evaluating the mixing characteristics of the binary reaction liquids in the groups of comparison groups according to the calculated deviation of the discrete state and the ideal central value, and determining the optimal viscosity interval of the binary reaction solution.
To further illustrate the evaluation method of this embodiment, the following is exemplified:
based on the ratio of the luminescent liquid to the activating liquid in the evaluation mode A:
the preparation of the luminescent liquid comprises 4.9% of bis-oxalate, 95% of triethyl citrate and 78% of red fluorescent dye BASF Rot 3050.1000%;
the preparation of the activating solution comprises 2.9% of hydrogen peroxide, 97% of triethyl citrate, 100ppm of sodium salicylate and 0.1000% of blue dye bisalkane ether isoviolanthrone;
the average molecular weight of 2900 oxyethylene-polyoxypropylene block polymer L64 is used as a viscosity modifier to be mixed with triethyl citrate to adjust the medium-high viscosity of the base solvent. The low viscosity solvent is ethyl benzoate as a base solvent.
The above solvents were used to prepare luminescent liquids of different viscosities. The prepared liquid was measured at 25 ℃ using a LC-NDJ-5T spindle viscometer with spindle 0 and spindle 1 at the specified rotation speed range, and the measured viscosities are shown in Table 4:
Figure BDA0003606131890000171
Figure BDA0003606131890000181
TABLE 4 viscometer of different control groups
The above solvents were used to prepare activating solutions B of different viscosities. The prepared liquid was measured at 25 ℃ with spindle 0 and spindle 1 of an LC-NDJ-5T spindle viscometer, and the measured viscosities are given in table 5 below:
Figure BDA0003606131890000182
TABLE 5 viscosity table of different control groups of luminous liquids
500 luminescent liquids A0, A1, A2, A3, A4 and A5 in the upper table are respectively encapsulated in glass ampoules with the diameter of 4.6mm and the length of 100mm, 500 encapsulating activating liquids B0, B1, B2, B3, B4 and B5 in the upper table, and the height of the medicine is 80 mm.
The output device is composed of a barrel 1, a pen point 2, an end plug 3 and a glass ampoule bottle 4 which are shown in figure 1, wherein: the cylinder body 1 is made of low-pressure polyethylene with the inner diameter of 12mm and the length of 150mm and can be bent, the pen point 2 is made of absorbent acrylic fiber material with air holes, and the glass ampoule bottle 4 and the end plug 3 respectively hold binary reaction liquid. Each output device is filled with two glass ampoules 4 filled with luminous liquid and two glass ampoules 4 filled with activating liquid.
The luminescent liquids A0, A1, A2, A3, A4 and A5 are arranged in an orthogonal sequence; the combined relationship of the activating liquids B0, B1, B2, B3, B4 and B5 and two glass ampoules 4 are assembled into thirty-six output devices with viscosity relationship, and each combination produces five output devices with one hundred and eighty output devices. And respectively bending and starting the two parts, vertically shaking the parts five times, and drawing a first initial ink mark with the length of 20cm on the No. 1 quantitative filter paper after the pen point 2 is soaked in the liquid. The concentration Ca and the concentration Cb of the red and blue dyes in the ethyl acetate dilution of the first ink of each output unit were tested in the manner described in evaluation mode A, and the ratio K of Ca/Cb or Cb/Ca was calculated. Theoretically, the closer the ratio K is to 1, the closer the mixing effect of the luminescent liquid/the activating liquid is to the uniform mixing in the ideal state.
However, the above-mentioned examination of the mixed system of the luminescent liquid and the activating liquid continues to use 1 as the central value, and when the K values are equal in some two cases of Ca/Cb >1 or Cb/Ca >1, it is judged that the description of the mixed effect in the two cases is equivalent, so the geometric standard deviation formula is applied:
Figure BDA0003606131890000191
in the above formula, A i The concentration Ca and Cb of the red dye and the blue dye in the stroke measured after the five pens in each group start the mixed writing, and the value of Ca/Cb is equal to K, which respectively obtain K1, K2, K3, K4 and K5;
replacing the geometric mean value mu in the above formula with the central value 1 as the expected value g ,n=5;
The operation result sigma g I.e. the discrete state of the mixed state of the group of luminescent liquid/activating liquid and the ideal central value 1, we will note the result as p, which indicates the state deviated from the ideal state of uniform mixing, and the larger the deviation of the p value from 1, the more uneven the initial mixing of the pen is, and the closer to 1, the better the mixing is. The P-values calculated from the thirty-six sets of measured data were entered into the following orthogonal table (see table 6) of different viscosity mixing relationships of luminescent liquids/active liquids, and the P-values of the respective sets were compared in table 6. (Note: because the test only examined the dye distribution in the first stroke after the nib was wetted, severe non-uniformity in mixing sometimes occurred, resulting in the concentration Ca or Cb of the red and blue dyes in the stroke not being detectable in a certain test, when this occurred, a new sample of the formulation was re-prepared for retesting.)
P value A-0 A-1 A-2 A-3 A-4 A-5
B-0 1.10 1.14 1.20 1.49 3.48 5.35
B-1 1.14 1.07 1.07 1.20 1.35 3.96
B-2 1.18 1.16 1.02 1.05 1.31 1.40
B-3 1.68 1.09 1.03 1.01 1.25 1.92
B-4 2.54 1.22 1.11 1.06 1.08 1.26
B-5 4.46 2.23 1.71 1.53 1.51 1.33
TABLE 6 p-value Table for thirty-six control groups
As can be seen from the data in the table above: when the luminescent liquid/activating liquid with large viscosity difference such as A-0 and B-5, B-4 or B-0 and A-4 and A-5 are matched into a group, the data deviation is larger than 1, and the mixing effect is poorer under the condition that the K value is 0 due to serious uneven mixing in the test for many times. And A2 and B2; a3 and B3; the mixing effect of the group with the viscosities of A4 and B4 being close is obviously optimal. The matching mixing condition of the luminescent liquid/the activating liquid with different viscosities of 20-250mpa.s has certain latitude, the p value is basically within 1.3, and the mixing effect is still good. Especially, the luminous liquid/activating liquid mixture with the viscosity of 70-180mpa.s has the p value within 1.2 basically, and the mutually compatible mixing effect of the luminous liquid/activating liquid with different viscosities is almost close to that of the luminous liquid/activating liquid mixture with the same viscosity, and has better effect. When the luminescent liquid and the activating liquid are low-viscosity liquids with the viscosity of less than 5cp at the same time, the liquid layer formed on the paper surface after mixing is thin, and the effect of light color is poor. When the luminous liquid and the activating liquid are high-viscosity liquids with the viscosity of more than 300cp, the individual difference of the mixing effect is large, the pen point wetting speed is slow, and the use experience is poor.
When the viscosity of the luminous liquid/the activation liquid is consistent or close to each other (the viscosity of the luminous liquid/the viscosity of the activation liquid is 0.6-1.6), the mixing effect is best when the luminous liquid/the activation liquid are matched;
the mixing effect is good when the viscosity of the luminous liquid is selected between 35 and 253.5cpp and the viscosity of the activating liquid is selected between 20 and 235cpp in any combination;
preferably, the mixing effect is best when the viscosity of the luminescent liquid is selected from 80-180cpp and the viscosity of the activating liquid is selected from 70-176cpp in any combination;
based on the evaluation methods, the invention carries out a binary reaction liquid mixed drawing experiment with a single variable factor through variable factors of the specifications of the barrel 1 and the glass ampoule bottle 4, the material of the pen point 2 and the viscosity of the mixed liquid, evaluates and selects an optimal scheme for uniformly outputting the mixed luminous liquid under the single variable factor according to the luminous parameters among the control groups based on a plurality of control groups with the single variable factor, and determines an optimal combination scheme of the specifications of the barrel 1 and the glass ampoule bottle 4, the material of the pen point 2 and the viscosity of the mixed liquid of the output device according to the selected optimal scheme under the plurality of single variable factors, thereby preparing the output device with a reliable, simple and low-cost structure, and solving the problem that the liquid cannot be uniformly output when the chemical luminous pen is started.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (23)

1. An output device for homogenously mixing a liquid, the output device comprising:
the cylinder body is of a hollow columnar structure made of bendable materials and is provided with an open head end and a closed tail end;
the pen point is embedded in the head end of the cylinder body, and the tip part of the pen point extends out of the head end of the cylinder body;
the binary ink storage assembly comprises two or more than two glass ampoules, binary reaction liquid is stored in the glass ampoules separately, and the glass ampoules are placed in the cylinder in parallel;
wherein the ratio of the inner diameter sectional area of the cylinder body to the sum of the outer diameter sectional areas of the plurality of glass ampoule bottles in the cylinder body is less than 3: 1.
2. A homogenously mixed liquid delivery apparatus as recited in claim 1, further comprising: the binary stores up a plurality of glass ampoule of china ink subassembly and sets up in pairs, and a plurality of glass ampoule's length and diameter are all the same, wherein, the quantity scope of glass ampoule is 2-8, the barrel with glass ampoule forms the adaptation, just the barrel is the internal diameter scope at 3-15 mm's drum structure.
3. A homogenously mixed liquid delivery apparatus as recited in claim 1, further comprising: the volumes of the reaction solutions corresponding to the glass ampoule bottles are the same;
the length of the glass ampoule bottle is 60% -90% of the length of the inner space of the cylinder body;
the ratio of the length of the glass ampoule bottle to the diameter of the bottle body is more than 10: 1;
the diameter range of the glass ampoule bottle is 1.8-5.2 mm.
4. A homogenously mixed liquid delivery apparatus as recited in claim 1, further comprising: the cylinder body is of a columnar structure made of polyethylene materials.
5. A homogenously mixed liquid delivery apparatus as recited in claim 1, further comprising: the pen point is a bullet head structure made of acrylic fiber materials.
6. A homogenously mixed liquid delivery apparatus as recited in claim 1, further comprising: the pen is characterized in that a limiting clamping ring is fixed on the rear side of the pen point inside the barrel, the limiting clamping ring is of a columnar structure with a penetrating gap, and an exhaust gap is formed between the pen point and the barrel.
7. A homogenously mixed liquid delivery apparatus as recited in claim 6, further comprising: the utility model discloses a liquid storage device, including barrel, limiting snap ring, be formed with the gap that spacing snap ring runs through the space, the barrel is inside to be equipped with circular base at the rear of spacing snap ring, circular base is connected with the rear end of spacing snap ring admittedly, just be formed with between the rear end of circular base and spacing snap ring and supply liquid certainly the inside inflow of barrel the gap that runs through of spacing snap ring, wherein, the outer wall of circular base with be formed with the clearance that supplies liquid to flow between the inner wall of barrel.
8. An apparatus for dispensing a homogenized mixture of liquids as defined in claim 6 or claim 7, further comprising: the limiting clamp ring is used as a ventilation plug-in unit, the material of the limiting clamp ring is preferably ABS plastic, the limiting clamp ring is of a hollow cylindrical structure with two open ends and is provided with a front end facing the head end of the barrel body and a rear end facing the tail end of the barrel body, the pen point is embedded in an opening in the front end of the limiting clamp ring, the outer wall of the pen point is seamlessly assembled with the inner wall of the barrel body, a first through hole communicated with the inner space of the limiting clamp ring is formed in the outer side wall of the front end of the limiting clamp ring, a first narrow slot is formed in the outer side wall of the front end of the limiting clamp ring, which is opposite to the first through hole, and a first ventilation channel connected with the first through hole and the first narrow slot is formed in the outer wall of the limiting clamp ring;
the first ventilation channel extends from the first through hole as a starting point in the circumferential direction, vertically turns to the direction of the rear end of the limiting snap ring until the position close to the intersection point of the first ventilation channel is close to the rear end of the limiting snap ring, and reversely extends in the circumferential direction to form a spiral labyrinth type structure which is formed by winding and extending from the front end of the limiting snap ring to the rear end of the limiting snap ring, and after the first ventilation channel extends to the rear end of the limiting snap ring, vertically turns to the position close to the intersection point of the first ventilation channel at the rear end, linearly extends to the front end of the first ventilation channel, and is communicated with the first slot.
9. A homogenously mixed liquid delivery apparatus as recited in claim 7, further comprising: the front end of the limiting snap ring is provided with a notch at the first slot.
10. A homogenously mixed liquid delivery apparatus as recited in claim 1, further comprising: the tail end of the cylinder body is of an open structure, and an end plug is packaged at the tail end of the cylinder body.
11. A homogenously mixed liquid delivery apparatus as recited in claim 10, further comprising: an exhaust gap is formed between the end plug and the barrel, and an exhaust filtering structure is arranged on the end plug and used for guiding airflow to the exhaust gap.
12. A homogenously mixed liquid delivery apparatus as recited in claim 11, further comprising: the end plug is of a cylindrical structure with a hollow interior and is provided with an opening end facing the tail end of the barrel body and a closed end far away from the tail end of the barrel body, a second through hole communicated with the interior space of the end plug is formed in the end face of the opening end of the end plug, a second slot is formed in the outer side wall of the closed end of the end plug on the side opposite to the second through hole, and a second ventilation channel connected with the second through hole and the second slot is formed in the outer wall of the end plug;
the second ventilation channel extends from the second through hole as a starting point along the circumferential direction, turns vertically to the direction of the closed end of the end plug until the position close to the self intersection point, and extends along the circumferential direction reversely to form a spiral labyrinth structure extending from the open end of the end plug to the closed end of the end plug, and after extending to the closed end of the end plug, turns vertically to the position close to the self intersection point at the closed end and extends straightly to the closed end of the end plug and is communicated with the second slot.
13. A homogenously mixed liquid delivery apparatus as recited in claim 12, further comprising: the end plug comprises a plugging pipe column and a circular end cap which are integrally formed from an opening end to a closed end, the diameter of the plugging pipe column is smaller than the inner diameter of the tail end of the cylinder body, the diameter of the circular end cap is larger than or equal to the outer diameter of the tail end of the cylinder body, and the second slot extends to the circular end cap.
14. A method of making the output device of any one of claims 1-13, comprising:
preparing a plurality of output devices with different structural combinations according to variable factors including the specifications of the cylinder body and the glass ampoule bottle, the material of the pen point and the viscosity of the mixed liquid;
inducing and grouping a plurality of output devices which accord with a single variable factor to obtain a plurality of comparison groups based on the same variable factor;
the method comprises the steps of carrying out a drawing experiment by combining a plurality of control groups under the same variable factor, collecting luminous parameters output by mixed luminous liquid in the control groups, and evaluating and selecting an optimal scheme for uniformly outputting the mixed luminous liquid under a single variable factor according to the luminous parameters among the control groups;
and determining the optimal combination scheme of the cylinder body of the output device, the specification of the glass ampoule bottle, the pen point material and the viscosity of the mixed liquid according to the optimal scheme selected under the multiple single variable factors.
15. A method of manufacture according to claim 14, wherein the method of determining the dimensions of the barrel and glass ampoule comprises: the method comprises the steps of configuring output devices with glass ampoules with different diameters by adopting a dye calibration mode, forming two groups of comparison groups, externally labeling a binary reaction liquid with the dye, respectively outputting mixed luminous liquid of the two groups of comparison groups to a paper surface on the basis that the binary reaction liquid absorbs the wavelengths of dyes with different colors, respectively measuring ink marks of the mixed luminous liquid of the two groups of comparison groups in three writing stages of the initial stage, the middle stage and the tail stage on the paper surface, evaluating the mixing characteristics of the binary reaction liquid in the two groups of comparison groups according to the concentration change of the two dyes in the collected ink marks, and determining the proportion of the sum of the inner diameter sectional area of a cylinder and the outer diameter sectional areas of a plurality of glass ampoules in the cylinder.
16. A preparation method according to claim 15, wherein the output devices of the two control groups have the same cylinder size, the control group with the larger diameter of the glass ampoule bottle is an output device with two glass ampoule bottles, and the two glass ampoule bottles are filled with the luminescent liquid and the activating liquid respectively;
the control group with small diameter of the glass ampoules is an output device with four glass ampoules, wherein two glass ampoules are filled with the luminous liquid, and the other two glass ampoules are filled with the activating liquid.
17. A method of manufacture according to claim 14, wherein the method of determining the dimensions of the barrel and glass ampoule comprises: the method comprises the steps of configuring output devices with different numbers of glass ampoules, forming a plurality of groups of comparison groups, outputting mixed luminous liquid of the plurality of groups of comparison groups to a paper surface respectively, drawing lines, measuring and recording the length of the drawn lines of each group of comparison groups from a drawing starting point to a luminous position, evaluating the mixing characteristics of binary reaction liquid in the plurality of groups of comparison groups according to the length of the drawn lines, and determining the proportion of the inner diameter sectional area of a cylinder body to the sum of the outer diameter sectional areas of a plurality of glass ampoules in the cylinder body.
18. A method of preparation according to claim 17 wherein the plurality of control groups comprises:
the output device is provided with two glass ampoule bottles, and the cross section of a cylinder body of the output device is oblong;
the output device is provided with two glass ampoule bottles, and the cross section of a cylinder body of the output device is circular;
the device is provided with output devices with more than two glass ampoule bottles, and the cross section of a cylinder body of the device is circular;
the inner diameter of the barrel is matched with the number of the glass ampoule bottles, and the inner diameter of the barrel with a large number of the glass ampoule bottles is larger than the inner diameter of the barrel with a small number of the glass ampoule bottles.
19. A method of manufacturing a pen as claimed in claim 14, wherein the step of determining the material of the nib comprises: and (3) configuring output devices with pen points made of different materials to form a plurality of groups of comparison groups, and evaluating the mixing characteristics of the binary reaction liquids in the plurality of groups of comparison groups according to the recorded and calculated average time from mixing of the binary reaction liquids of each group of comparison groups to wetting of the pen points, the length from non-luminescence to luminescence of the lines drawn on the paper surface by the mixed luminescent liquid, and the luminescence degree output to the paper surface by the output devices, and determining the optimal material scheme of the pen points.
20. A manufacturing method according to claim 14, wherein the determination method of the viscosity of the mixed liquid includes: respectively configuring a plurality of luminescent liquids with different viscosities and a plurality of activating liquids with different viscosities, combining the luminescent liquids and the activating liquids into a plurality of output devices containing the luminescent liquids and the activating liquids in pairs to form a plurality of groups of comparison groups, respectively outputting the mixed luminescent liquid of a plurality of groups of contrast groups to a paper surface in a mode of externally labeling a binary reaction liquid with the dye based on the fact that the binary reaction liquid respectively absorbs the wavelengths of the dyes with different colors, and the concentration of two dyes of the mixed luminescent liquid painting and calligraphy ink in each group of comparison groups is measured, an ideal central value is set, and according to the concentration ratio of the two dyes in the comparison groups, calculating and obtaining the discrete state of the mixed state and the ideal central value of the luminous liquid and the activating liquid in the group of the control group through a formula, and according to the calculated deviation between the discrete state and the ideal central value, evaluating the mixing characteristics of the binary reaction liquid in the multiple groups of control groups, and determining the optimal viscosity interval of the binary reaction liquid.
21. A method for preparing a beverage as set forth in claim 20, wherein the viscosity range in which the mixing effect is optimum is determined by the method for determining the viscosity of the mixing liquid as follows: the viscosity ratio of the luminescent liquid to the activating liquid is in the range of 0.6-1.6.
22. A method for preparing a beverage as set forth in claim 20, wherein the viscosity range in which the mixing effect is optimum is determined by the method for determining the viscosity of the mixing liquid as follows: any combination of a luminescent liquid having a viscosity in the range of 35-253.5cpp and an activating liquid having a viscosity in the range of 20-235 cpp.
23. A method for preparing a liquid product according to claim 20, wherein the viscosity range in which the mixing effect is optimum is determined by the method for determining the viscosity of the mixed liquid as follows: any combination of a luminescent liquid having a viscosity in the range of 80-180cpp and an activating liquid having a viscosity in the range of 70-176 cpp.
CN202210416218.XA 2022-04-20 2022-04-20 Output device for uniformly mixed liquid and preparation method Pending CN114953808A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202210416218.XA CN114953808A (en) 2022-04-20 2022-04-20 Output device for uniformly mixed liquid and preparation method
AU2023202359A AU2023202359A1 (en) 2022-04-20 2023-04-18 Output device for uniformly mixed liquid and method for making and using the same
GB2305731.8A GB2619408A (en) 2022-04-20 2023-04-19 Output device for uniformly mixed liquid and method for making and using the same
CA3197562A CA3197562A1 (en) 2022-04-20 2023-04-20 Output device for uniformly mixed liquid and method for making and using the same
US18/137,011 US20230391130A1 (en) 2022-04-20 2023-04-20 Output Device for Uniformly Mixed Liquid and Method for Making and Using the Same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210416218.XA CN114953808A (en) 2022-04-20 2022-04-20 Output device for uniformly mixed liquid and preparation method

Publications (1)

Publication Number Publication Date
CN114953808A true CN114953808A (en) 2022-08-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210416218.XA Pending CN114953808A (en) 2022-04-20 2022-04-20 Output device for uniformly mixed liquid and preparation method

Country Status (1)

Country Link
CN (1) CN114953808A (en)

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