CN113358898A - Collision indicating device - Google Patents
Collision indicating device Download PDFInfo
- Publication number
- CN113358898A CN113358898A CN202110759338.5A CN202110759338A CN113358898A CN 113358898 A CN113358898 A CN 113358898A CN 202110759338 A CN202110759338 A CN 202110759338A CN 113358898 A CN113358898 A CN 113358898A
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- China
- Prior art keywords
- liquid
- collision
- indicating device
- indicating
- container
- Prior art date
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Links
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Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/006—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of fluid seismic masses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
The invention discloses a collision indicating device, comprising: the shell is provided with an accommodating space; and the indicating part is arranged in the accommodating space and comprises a container, a sealed cavity is arranged in the container, a first liquid and a second liquid which are preset in amount and are not mutually soluble are arranged in the sealed cavity from top to bottom, and the density of the first liquid is greater than that of the second liquid. According to the collision indicating device, before a collision event occurs, the first liquid and the second liquid are arranged in the sealing cavity from top to bottom, when the collision event occurs and the acceleration generated by the collision event exceeds the threshold value, the positions of the first liquid and the second liquid are exchanged, and then the collision event is indicated through the position change of the first liquid and the second liquid. The collision indicating device is beneficial to improving the indicating precision.
Description
Technical Field
The invention relates to the technical field of indicating equipment, in particular to a collision indicating device.
Background
Patent publication CN103597360B discloses a collision indicating device, in which an indicating liquid is directly disposed in a horizontally disposed liquid storage chamber, and in which the indicating liquid flows out of the horizontally disposed liquid storage chamber and contacts a capillary gap disposed at the front end of a storage chamber in the event of a collision, thereby providing a visual collision indication.
The collision indicating device has two problems, namely, because the liquid storage cavity of the collision indicating device is not sealed, the indicating liquid is exposed to the air for a long time, the viscosity of the indicating liquid changes along with the volatilization of the components of the indicating liquid, and the viscosity of the indicating liquid increases along with the increase of time, and the phenomenon is particularly serious in summer, and the indicating precision of the collision indicating device is influenced. The liquid storage cavity of the collision indicating device is horizontally arranged, indicating liquid is fixed in the liquid storage cavity under the action of surface tension, the liquid level of the indicating liquid is similar to an inverted comma shape under the action of gravity instead of a standard cambered surface, and when the indicating device responds to a collision event, the liquid level position of the lower end bulge becomes a stress breakthrough point, so that the indicating device is easy to have false indication under the condition that the impact acceleration is smaller than a threshold value, and the indicating precision of the collision indicating device is influenced.
Disclosure of Invention
Based on this, it is necessary to provide a collision indicating apparatus in which the indicating accuracy is stable.
A collision indicating device comprising:
the shell is provided with an accommodating space; and
the indicating part, the indicating part is located in the accommodation space, the indicating part includes the container, establish sealed chamber in the container, from the top down is equipped with the predetermined amount and the immiscible first liquid and second liquid in the sealed chamber, the density of first liquid is greater than the density of second liquid.
In one embodiment, the first liquid has a first color and the second liquid has a second color.
In one embodiment, the first liquid is an aqueous solution and the second liquid is an oil solution.
In one embodiment, the bottom of the sealed chamber is provided with a trigger material.
In one embodiment, the trigger material is a water sensitive trigger material.
In one embodiment, the trigger material is selected from any one of bentonite, water-swellable rubber, and water-absorbent resin. The trigger material has a third color.
In one embodiment, the container is provided with a breach and the breach is provided with a sealing material.
In one embodiment, the accommodating space is further provided with an adsorbing material.
In one embodiment, the shell is further provided with an adhesive layer and a release layer.
Above-mentioned collision indicating device, the container is vertical to be placed with in the accommodation space, before the collision incident, the sealed intracavity from the top down is provided with the air that the predetermined amount is mutually insoluble, first liquid and second liquid, and the density of first liquid is greater than the density of second liquid, when the collision incident, and the acceleration that the collision incident produced exceeds the threshold value, the original liquid level of first liquid and second liquid is destroyed by vibrations, the position of first liquid and second liquid takes place to recombine under the action of gravity, the heavier first liquid of density descends, the lighter second liquid of density rises, thereby make the position of first liquid and second liquid will take place to exchange, and then indicate the collision incident through the position change of first liquid and second liquid.
The collision indicating device provided by the invention has the beneficial effects that: on the one hand, the container is in a sealed state, and the change of liquid viscosity caused by volatilization of the components of the first liquid and the second liquid is avoided, so that the indicating precision is influenced. On the other hand, the container is in vertical state, and the liquid level of the first liquid and the second liquid in the sealed cavity is in the standard cambered surface under the action of surface tension, so that the center of the cambered surface of the container becomes a stress breakthrough point of a collision event, and the indication error caused by the liquid level of the special-shaped cambered surface due to the horizontal placement of the liquid storage device in the prior art is avoided.
Drawings
FIG. 1 is a schematic diagram of a collision indicating device in a first state according to an embodiment;
FIG. 2 is a schematic structural view of the collision indicating device shown in FIG. 1 in a second state;
FIG. 3 is a schematic structural view of another embodiment of a collision indicating device in a first state;
FIG. 4 is a schematic structural view of the collision indicating device shown in FIG. 3 in a second state;
FIG. 5 is a schematic structural view of another embodiment of a collision indicating device in a first state;
FIG. 6 is a schematic structural view of the collision indicating device shown in FIG. 5 in a second state;
FIG. 7 is a schematic structural view of the collision indicating device shown in FIG. 5 in a third state;
FIG. 8 is a schematic structural view of another embodiment of a collision indicating device in a first state;
FIG. 9 is a schematic structural view of the collision indicating device shown in FIG. 8 in a second state;
FIG. 10 is a schematic structural view of the collision indicating device shown in FIG. 8 in a third state;
FIG. 11 is a schematic structural view of another embodiment of a collision indicating device in a first state;
FIG. 12 is a schematic view of the collision indicating device shown in FIG. 11 in a second state;
fig. 13 is a schematic structural view of the collision indicating device shown in fig. 11 in a third state.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention can be embodied in many different forms than those herein described and many modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" or "in communication with" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "vertical", "horizontal", "left", "right" and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The crash indicating device will be described in further detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, an embodiment of a collision indicating apparatus includes: a housing 10 and an indication part 20.
The shell 10 is used for protecting the indicating part 20, the shell 10 is partially protruded outwards, a concave accommodating space 101 is formed inside the protruded part, and the accommodating space 101 is used for accommodating the indicating part 20.
Preferably, the housing 10 is made of a transparent material, and the user can observe the state of the indication part 20 through the housing 10, and the optional transparent material includes but is not limited to: PET, PVC, glass and acrylic.
In some embodiments, referring to fig. 3, the housing 10 is made of a non-transparent material, the housing 10 is partially protruded outward, the protrusion is provided with a viewing window, the position of the viewing window corresponds to the position of the first liquid 202 and/or the second liquid 203 of the indication portion 20, and after a collision event occurs, a user can see the position of the first liquid 202 and/or the second liquid 203 through the viewing window. Alternatively, non-transparent materials used to prepare the housing 10 include, but are not limited to: plastic, metal, wood.
The indicating part 20 is fixedly arranged in the accommodating space 101 and used for indicating whether a collision event that the acceleration exceeds a threshold value occurs, the indicating part 20 comprises a container 201, a sealing cavity 2011 is arranged in the container 201, and a predetermined amount of air, a first liquid 202 and a second liquid 203 are arranged in the sealing cavity 2011.
Specifically, the container 201 includes a bottle body and a cover body, the bottle body is provided with a sealed cavity 2011 therein, the bottle body is made of a transparent material, so that a user can directly observe the states of the first liquid 202 and the second liquid 203 in the sealed cavity 2011 through the container 201, and the cover body is used for closing the bottle body to enable the bottle body to be in a sealed state, so that the vapor of one of the first liquid and the vapor of the second liquid 203 in the sealed cavity 2011 is prevented from being diffused to the outside, and the viscosity of the first liquid 202 and the viscosity of the second liquid 203 are maintained unchanged. Alternatively, materials that can be used to prepare the vials include, but are not limited to, glass and acrylic. Alternatively, the cover is made of ordinary rubber or plastic.
Further, the shape of bottle is cylindrical, and sealed chamber 2011 is also cylindrically, and when first liquid 202 and second liquid 203 were located in columniform sealed chamber 2011, the liquid level of first liquid 202 and second liquid 203 was the sunken cambered surface of rule under the effect of surface tension, consequently, kept away from the cambered surface center of sealed chamber 2011 wall in the impact event, the liquid level center easily becomes the stress breakthrough point of collision event because of taking place vibrations, because the rule of cambered surface is sunken, is favorable to making collision indicating device keep higher instruction precision.
Furthermore, the diameter of the sealed cavity 2011 is not less than 3mm and not more than 10mm, and by limiting the diameter of the sealed cavity 2011, the first liquid 202 and the second liquid 203 can be fixed in the sealed cavity 2011 through surface tension and capillary force, so that the positions of the first liquid 202 and the second liquid 203 cannot be recombined even if the first liquid 202 and the second liquid 203 are prevented from falling before use, and the smaller the diameter of the sealed cavity 2011 is, the larger the capillary force received by the first liquid 202 and the second liquid 203 is, and conversely, the larger the diameter of the sealed cavity 2011 is, the smaller the capillary force received by the first liquid 202 and the second liquid 203 is, so that the diameter of the sealed cavity 2011 can be controlled to achieve the purpose of adjusting the collision response threshold.
In some embodiments, referring to fig. 8 to 10, an opening 2012 is formed on the bottle body, a sealing material 2013 is formed on the opening 2012, and the sealing material 2013 has no ductility and can be broken under pressure, so that the first liquid 202 and the second liquid 203 in the sealed cavity 2011 flow out of the sealed cavity 2011. Alternative sealing materials 2013 include, but are not limited to, paraffin.
The first liquid 202, which is disposed in the upper portion of the sealed chamber 2011, may cooperate with the second liquid 203 to indicate a crash event.
Specifically, the first liquid 202 and the second liquid 203 are immiscible with each other, and the density of the first liquid 202 is higher than that of the second liquid 203, so that when the container 201 is placed in an inclined state, the first liquid 202 can be fixed on the upper portion of the sealed cavity 2011 by surface tension and capillary force, and the leveling phenomenon cannot occur.
Alternatively, the first liquid 202 is an aqueous solution, which is a common liquid, easy to dispose, and low in cost.
Preferably, a predetermined amount of antifreeze is added to the first liquid 202, and by increasing the amount of antifreeze, the freezing point of the first liquid 202 can be lowered, the first liquid 202 can be kept in a liquid state under different temperature environments, and the viscosity of the first liquid 202 can be maintained. The optional antifreeze comprises alcohol antifreeze, alcohol ether antifreeze, chlorinated hydrocarbon antifreeze and inorganic salt antifreeze. Alcoholic freezing point depressants include, but are not limited to, methanol, ethanol, isopropanol, ethylene glycol, propylene glycol, diethylene glycol; alcohol ether antifreezes include, but are not limited to, ethylene glycol butyl ether, propylene glycol butyl ether; chlorinated hydrocarbon antifreezes include, but are not limited to, ethylene glycol butyl ether acetate, methylene chloride, 1-dichloroethane, 1, 2-dichloroethane, dimethyl sulfoxide, formamide; inorganic salt type antifreezes include, but are not limited to, calcium chloride, sodium acetate, magnesium chloride, and the like.
Preferably, a predetermined amount of thickening agent is added to the first liquid 202, the viscosity of the first liquid 202 can be adjusted by adding the thickening agent, and the change in the viscosity of the first liquid 202 can adjust the surface tension of the first liquid 202 and the capillary force of the sealed cavity 2011 on the first liquid 202, so as to adjust the collision response value of the collision indicating device. It is to be understood that commercially available aqueous thickeners may be used as the thickener in the present invention.
Preferably, the first liquid 202 has a first color. By providing the first color, it is convenient to observe whether the position of the first liquid 202 changes.
The second liquid 203, which is disposed in the lower portion of the sealed chamber 2011, may cooperate with the first liquid 202 to indicate a crash event.
Specifically, the second liquid 203 is immiscible with the first liquid 202, and the density of the second liquid 203 is lower than that of the first liquid 202, and the second liquid 203 and the first liquid 202 form a mixed liquid having a distinct liquid surface boundary. When the container 201 is placed in a toppling manner, the second liquid 203 can be fixed at the lower part of the sealed cavity 2011 through surface tension and capillary force, and the leveling phenomenon cannot occur.
The optional second liquid 203 is an oil solution, which is a common liquid, and is easy to prepare and low in cost.
Optionally, the second liquid 203 is at least one of orange oil, silicone oil, arachidonic acid, undecane, methyl oleate, trans-linoleic acid, linolenic acid, ethyl oleate, dodecane, diethyl maleate, tridecane, linoleic acid, palmitoleic acid, glyceryl triacetate, diethyl sebacate, n-butyl myristate, methyl laurate (methyl laurate), n-tetradecane, n-decanol, oleyl alcohol, isopropyl myristate, pentadecane.
Preferably, the second liquid 203 at least comprises a predetermined amount of orange oil, silicone oil and arachidonic acid, the melting point of the oil solution is lower than minus 50 ℃, the oil solution can be used as an antifreeze, and the freezing point of the second liquid 203 can be greatly reduced by mixing the oil solution in a certain proportion, so that the second liquid 203 can be kept in a liquid state under different temperature environments, and the actual use requirement can be met.
Preferably, the second liquid 203 has a second color, and the second color is different from the first color, thereby facilitating distinguishing the states of the first liquid 202 and the second liquid 203.
In another embodiment, referring to fig. 5 to 7, a trigger material 204 is further disposed at the bottom of the sealed cavity 2011, the trigger material 204 is insensitive to the second liquid 203 and sensitive to the first liquid 202, and the trigger material 204 may change in physical form after contacting the first liquid 202.
Specifically, the trigger material 204 is disposed at the bottom of the sealed cavity 2011 and completely soaked in the second liquid 203, and due to the fact that the trigger material 204 is insensitive to the second liquid 203 which is in direct contact with the trigger material 204, the trigger material 204 does not change in physical form under normal conditions, and due to the fact that the trigger material 204 is sensitive to the first liquid 202, after the trigger material 204 is in contact with the first liquid 202, the trigger material 204 can change in physical form significantly. Alternative physical form changes include, but are not limited to, changes in volume form, changes in color form, and changes in shape.
In the illustrated embodiment, the first solution is an aqueous solution, the trigger material 204 is a water-sensitive trigger material 204, and the volume morphology of the trigger material 204 changes significantly when contacted with water.
Specifically, the trigger material 204 may absorb moisture, which upon absorption will expand significantly in volume, thereby indicating a crash event through a change in volume morphology. Optional trigger material 204 includes at least one of bentonite, water-swellable rubber, and water-absorbent resin. It should be understood that other water-swellable materials may also be used as the trigger material 204 of the present invention.
Preferably, the trigger material 204 has a third color to facilitate a user in observing a change in the volumetric shape of the trigger material 204.
In another embodiment, referring to fig. 8 to 10, an adsorbing material 205 is disposed between the sidewall of the accommodating space 101 and the container 201, and the adsorbing material 205 has a good liquid adsorbing capacity and can adsorb the colored first liquid 202 and/or the colored second liquid 203 flowing out through the opening 2012, so as to indicate the collision event by changing the color of the adsorbing material 205. Alternative adsorbent materials 205 include, but are not limited to, paper and woven cloth.
In another embodiment, referring to fig. 11 to 13, the collision indicating device further includes an adhesive layer 30 and a release layer 40.
Specifically, the adhesive layer 30 is disposed on one side of the housing 10 close to the accommodating space 101, the release layer 40 is disposed on one side of the adhesive layer 30 away from the housing 10, the collision indicating device can be conveniently attached to a product or a package by disposing the adhesive layer 30, the release layer 40 is disposed to prevent the collision indicating device from being mistakenly adhered before practical use, and double-sided adhesive materials with the release layer 40 sold in the market can be used as the adhesive layer 30 and the release layer 40 of the invention.
In the collision indicating device, the container 201 is vertically placed in the accommodating space 101, before a collision event occurs, the first liquid 202 and the second liquid 203 which are insoluble with each other are arranged in the sealed cavity 2011 from top to bottom, and the density of the first liquid 202 is greater than that of the second liquid 203. When a collision event occurs and the acceleration generated by the collision event exceeds a threshold value, the first liquid 202 and the second housing 10 can be mechanically vibrated in the sealed cavity 2011 due to the presence of air in the sealed cavity 2011, so that when the acceleration generated by the vibration causes the arc-shaped liquid surfaces of the first liquid 202 and the second liquid 203 to break, the first liquid 202 and the second liquid 203 are recombined under the action of gravity, the first liquid 202 sinks under the action of gravity due to high density, and the second liquid 203 rises relative to the first liquid 202 due to low density until the first liquid 202 and the second liquid 203 completely exchange positions, thereby indicating the collision event.
The collision indicating device provided by the invention has the beneficial effects that: on one hand, the container 201 is in a sealed state, so that the change of the viscosity of the first liquid 202 and the second liquid 203 caused by the volatilization of the components is avoided, and the indication precision is further influenced. On the other hand, the container 201 is in a vertical state, and the liquid levels of the first liquid 202 and the second liquid 203 in the sealed cavity 2011 are in a standard arc surface under the action of surface tension, so that the center of the arc surface becomes a stress breakthrough point of a collision event, and an indication error caused by the liquid level of a special-shaped arc surface in the prior art is avoided.
Specific examples are as follows.
Example 1
Referring to fig. 1 to 2, the present embodiment provides a collision indicating device, which includes a housing 10 and an indicating portion 20.
The casing 10 is formed by molding a transparent material PET, and the casing 10 partially protrudes outward, and the inside of the protrusion forms an accommodating space 101. The indicating part 20 is vertically arranged in the accommodating space 101, the indicating part 20 comprises a transparent container 201, the container 201 comprises a bottle body and a cover body, the bottle body is made of glass, the cover body is made of rubber, a sealing cavity 2011 is arranged in the bottle body, and a predetermined amount of air and a first liquid 202 and a second liquid 203 which are insoluble with each other are arranged in the sealing cavity 2011 from top to bottom, wherein the density of the first liquid 202 is greater than that of the second liquid 203, in the embodiment, the first liquid 202 is a colorless aqueous solution, and the second liquid 203 is red linolenic acid.
In the collision indicating device, the container 201 is vertically placed in the accommodating space 101, before a collision event occurs, the first liquid 202 and the second liquid 203 which are insoluble with each other are arranged in the sealed cavity 2011 from top to bottom, and the density of the first liquid 202 is greater than that of the second liquid 203. When a collision event occurs and the acceleration generated by the collision event exceeds a threshold value, the first liquid 202 and the second housing 10 can be mechanically vibrated in the sealed cavity 2011 due to the presence of air in the sealed cavity 2011, so that when the acceleration generated by the vibration causes the arc-shaped liquid surfaces of the first liquid 202 and the second liquid 203 to break, the first liquid 202 and the second liquid 203 are recombined under the action of gravity, the first liquid 202 sinks under the action of gravity due to high density, and the second liquid 203 rises relative to the first liquid 202 due to low density until the first liquid 202 and the second liquid 203 completely exchange positions, thereby indicating the collision event.
The beneficial effects are as follows: on one hand, the container 201 is in a sealed state, so that the change of the viscosity of the first liquid 202 and the second liquid 203 caused by the volatilization of the components is avoided, and the indication precision is further influenced. On the other hand, the container 201 is in a vertical state, and the liquid levels of the first liquid 202 and the second liquid 203 in the sealed cavity 2011 are in a standard arc surface under the action of surface tension, so that the center of the arc surface becomes a stress breakthrough point of a collision event, and an indication error caused by the liquid level of a special-shaped arc surface in the prior art is avoided.
Example 2
Referring to fig. 3 to 4, the present embodiment provides a collision indicating device, which includes a housing 10 and an indicating portion 20.
The shell 10 is made of non-transparent plastic, a part of the shell 10 protrudes outwards, an accommodating space 101 is formed on the inner side of the protrusion, and an indication window 102 is arranged on the protrusion. Indicating part 20 is vertical to be located in accommodation space 101, indicating part 20 includes a transparent container 201, container 201 includes bottle and lid, the bottle is made by ya keli, the lid is made by plastics, establish sealed chamber 2011 in the bottle, from the top down is equipped with the air of predetermined amount and mutually insoluble first liquid 202 and second liquid 203 in the sealed chamber 2011, wherein, the density of first liquid 202 is greater than the density of second liquid 203, in this embodiment, first liquid 202 is colourless aqueous solution, and has added the antifreeze isopropyl alcohol of predetermined amount in the first liquid 202, second liquid 203 is the mixture of red linolenic acid and silicone oil.
In the collision indicating device, the container 201 is vertically placed in the accommodating space 101, before a collision event occurs, the first liquid 202 and the second liquid 203 which are insoluble with each other are arranged in the sealed cavity 2011 from top to bottom, and the density of the first liquid 202 is greater than that of the second liquid 203. When a collision event occurs and the acceleration generated by the collision event exceeds a threshold value, the first liquid 202 and the second housing 10 can be mechanically vibrated in the sealed cavity 2011 due to the presence of air in the sealed cavity 2011, so that when the acceleration generated by the vibration causes the arc-shaped liquid surfaces of the first liquid 202 and the second liquid 203 to break, the first liquid 202 and the second liquid 203 are recombined under the action of gravity, the first liquid 202 sinks under the action of gravity due to high density, and the second liquid 203 rises relative to the first liquid 202 due to low density until the first liquid 202 and the second liquid 203 completely exchange positions, thereby indicating the collision event.
The beneficial effects are as follows: on one hand, the container 201 is in a sealed state, so that the change of the viscosity of the first liquid 202 and the second liquid 203 caused by the volatilization of the components is avoided, and the indication precision is further influenced. On the other hand, the container 201 is in a vertical state, and the liquid levels of the first liquid 202 and the second liquid 203 in the sealed cavity 2011 are in a standard arc surface under the action of surface tension, so that the center of the arc surface becomes a stress breakthrough point of a collision event, and an indication error caused by the liquid level of a special-shaped arc surface in the prior art is avoided. In addition, by adding the antifreeze to the first liquid 202 and the second liquid 203, the freezing points of the first liquid 202 and the second liquid 203 can be greatly reduced, thereby meeting the use requirements in different temperature environments.
Example 3
Referring to fig. 5 to 7, the present embodiment provides a collision indicating device, which includes a housing 10 and an indicating portion 20.
The housing 10 is made of acrylic, which is a transparent material, a part of the housing 10 protrudes outward, and an accommodating space 101 is formed inside the protrusion. Indicating part 20 is vertical to be located in accommodation space 101, indicating part 20 includes a transparent container 201, container 201 includes bottle and lid, the bottle is made by glass, the lid is made by rubber, establish sealed chamber 2011 in the bottle, from the top down has the air of predetermined amount and mutually insoluble first liquid 202 and second liquid 203 in the sealed chamber 2011, wherein, the density of first liquid 202 is greater than the density of second liquid 203, the bottom of sealed chamber 2011 is equipped with trigger material 204, can take place the change of physical form after trigger material 204 and the contact of first liquid 202. In this embodiment, the first liquid 202 is a colorless aqueous solution, a predetermined amount of diethylene glycol as an antifreeze is added to the first liquid 202, the second liquid 203 is red orange oil, and the trigger material 204 is water-swellable rubber.
In the collision indicating device, the container 201 is vertically placed in the accommodating space 101, before a collision event occurs, the first liquid 202 and the second liquid 203 which are insoluble with each other are arranged in the sealed cavity 2011 from top to bottom, and the density of the first liquid 202 is greater than that of the second liquid 203. When a crash event occurs and the acceleration from the crash event exceeds a threshold, the first liquid 202 and the second housing 10 may mechanically vibrate within the sealed cavity 2011 due to the presence of air within the sealed cavity 2011, and, therefore, when the acceleration caused by the shock causes the arc-shaped liquid surfaces of the first liquid 202 and the second liquid 203 to break, the first liquid 202 and the second liquid 203 recombine under the influence of gravity, the first liquid 202 due to its higher density, the second liquid 203, which sinks under the action of gravity, rises relative to the first liquid 202 due to its lower density, until the first liquid 202 is completely in the lower part of the sealed chamber 2011, the second liquid 203 is completely in the upper part of the sealed chamber 2011, thereby interchanging the positions of the first liquid 202 and the second liquid 203, at which point the first liquid 202 contacts the trigger material 204 causing the trigger material 204 to expand in volume, thereby indicating a crash event.
The beneficial effects are as follows: on one hand, the container 201 is in a sealed state, so that the change of the viscosity of the first liquid 202 and the second liquid 203 caused by the volatilization of the components is avoided, and the indication precision is further influenced. On the other hand, the container 201 is in a vertical state, and the liquid levels of the first liquid 202 and the second liquid 203 in the sealed cavity 2011 are in a standard arc surface under the action of surface tension, so that the center of the arc surface becomes a stress breakthrough point of a collision event, and an indication error caused by the liquid level of a special-shaped arc surface in the prior art is avoided. In addition, the trigger material 204 is arranged, so that the indication result is more obvious.
Example 4
Referring to fig. 8 to 10, the present embodiment provides a collision indicating device, which includes a housing 10 and an indicating portion 20.
The housing 10 is made of acrylic, which is a transparent material, a part of the housing 10 protrudes outward, and an accommodating space 101 is formed inside the protrusion. Indicating part 20 is vertical to be located in accommodation space 101, indicating part 20 includes a transparent container 201, container 201 includes bottle and lid, the bottle is made by glass, the lid is made by rubber, establish sealed chamber 2011 in the bottle, be equipped with opening 2012 on the bottle, opening 2012 is sealed by sealing material 2013 paraffin, from the top down has the air of predetermined amount and mutually insoluble first liquid 202 and second liquid 203 in the sealed chamber 2011, wherein, the density of first liquid 202 is greater than the density of second liquid 203, the bottom in sealed chamber 2011 is equipped with trigger material 204, trigger material 204 can take place the change of physical form after contacting with first liquid 202. An adsorbing material 205 is further provided between the container 201 and the side wall of the accommodating space 101. In this embodiment, the first liquid 202 is a colorless aqueous solution, a predetermined amount of antifreeze, propylene glycol butyl ether, is added to the first liquid 202, the second liquid 203 is red silicone oil, the trigger material 204 is red water-absorbent resin, and the adsorbing material 205 is water-absorbent paper.
In the collision indicating device, the container 201 is vertically placed in the accommodating space 101, before a collision event occurs, the first liquid 202 and the second liquid 203 which are insoluble with each other are arranged in the sealed cavity 2011 from top to bottom, and the density of the first liquid 202 is greater than that of the second liquid 203. When a collision event occurs and the acceleration generated by the collision event exceeds a threshold value, the first liquid 202 and the second housing 10 can be mechanically vibrated in the sealed cavity 2011 due to the presence of air in the sealed cavity 2011, so when the acceleration generated by the vibration causes the arc-shaped liquid surfaces of the first liquid 202 and the second liquid 203 to break, the first liquid 202 and the second liquid 203 are recombined under the action of gravity, the first liquid 202 sinks under the action of gravity due to higher density, the second liquid 203 rises relative to the first liquid 202 due to lower density until the first liquid 202 is completely positioned at the lower part of the sealed cavity 2011 and the second liquid 203 is completely positioned at the upper part of the sealed cavity 2011, so that the positions of the first liquid 202 and the second liquid 203 are interchanged, at this time, the first liquid 202 contacts with the trigger material 204 to cause the volume expansion of the trigger material 204, the expansion of the trigger material 204 causes the extrusion of the seal material 2013, the sealing material 2013 is ruptured, thereby allowing the first liquid 202 and the second liquid 203 to flow out of the bottle and be absorbed by the absorbent material 205, thereby coloring the absorbent material 205 red, and further indicating a collision event by a color change of the absorbent material 205.
The beneficial effects are as follows: on one hand, the container 201 is in a sealed state, so that the change of the viscosity of the first liquid 202 and the second liquid 203 caused by the volatilization of the components is avoided, and the indication precision is further influenced. On the other hand, the container 201 is in a vertical state, and the liquid levels of the first liquid 202 and the second liquid 203 in the sealed cavity 2011 are in a standard arc surface under the action of surface tension, so that the center of the arc surface becomes a stress breakthrough point of a collision event, and an indication error caused by the liquid level of a special-shaped arc surface in the prior art is avoided. Further, by providing the opening 2012, the sealing material 2013, and the adsorbent 205, the indication result is made more conspicuous by the coloring of the adsorbent 205.
Example 5
Referring to fig. 11 to 13, the present embodiment is similar to embodiment 4, except that the collision indicating device further includes an adhesive layer 30 and a release layer 40 sequentially disposed on a side of the housing 10 close to the accommodating space 101.
Above-mentioned collision indicating device through setting up adhesive layer 30 and leaving type layer 40, can be convenient paste collision indicating device on the product or on the product packaging, facilitates the use.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A collision indicating device, comprising:
the shell is provided with an accommodating space; and
the indicating part, the indicating part is located in the accommodation space, the indicating part includes the container, establish sealed chamber in the container, from the top down is equipped with the predetermined amount and the immiscible first liquid and second liquid in the sealed chamber, the density of first liquid is greater than the density of second liquid.
2. The impact-indicating device of claim 1, wherein the first liquid has a first color and the second liquid has a second color.
3. The collision indicating device of claim 2, wherein the first liquid is an aqueous solution and the second liquid is an oil solution.
4. The impact indicating device of claim 3, wherein a bottom of the sealed chamber is provided with a trigger material.
5. The impact-indicating device of claim 4, wherein the trigger material is a water-sensitive trigger material.
6. The impact-indicating device of claim 5, wherein the trigger material is selected from any one of bentonite, water-swellable rubber, and water-absorbent resin.
7. The impact-indicating device of claim 5, wherein the trigger material has a third color.
8. The collision indicating device according to any one of claims 4 to 7, wherein the container is provided with a breach, and the breach is provided with a sealing material.
9. The impact-indicating device of claim 8, wherein the receiving space further comprises an absorbent material.
10. The collision indicating device of claim 1, wherein the housing further comprises an adhesive layer and a release layer.
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| CN202110344948 | 2021-03-31 | ||
| CN2021103449489 | 2021-03-31 |
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