CN111238424A - Device and method for detecting deformation quantity - Google Patents
Device and method for detecting deformation quantity Download PDFInfo
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- CN111238424A CN111238424A CN202010106003.9A CN202010106003A CN111238424A CN 111238424 A CN111238424 A CN 111238424A CN 202010106003 A CN202010106003 A CN 202010106003A CN 111238424 A CN111238424 A CN 111238424A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/24—Measuring arrangements characterised by the use of fluids for measuring the deformation in a solid
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Abstract
The invention discloses a device and a method for detecting deformation, comprising a container, an upper cover arranged on an opening at the upper part of the container, and a hollow measuring cylinder; the upper cover is provided with an opening penetrating through the upper cover, the measuring cylinder is arranged in the opening, and the lower opening of the measuring cylinder is communicated with the inside of the container; scales extending from bottom to top are arranged on the measuring cylinder; the top of the measuring cylinder is provided with an upper opening communicated with the inside of the measuring cylinder and the lower opening; after the object to be measured is placed in the container, liquid is injected into the container until the liquid level reaches one scale value on the measuring cylinder, then the object to be measured deforms, the liquid reaches the other scale value, and the deformation quantity of the object can be obtained by combining the variation of the scale values and the density of the liquid. And measurement accuracy can be realized through changing the graduated flask of different scale accuracies, and the suitability is strong and measure simply convenient.
Description
Technical Field
The invention relates to the technical field of object deformation detection.
Background
The accurate detection of the deformation quantity of the deformable object belongs to an essential process in the test work of various deformable products. For the deformation quantity measurement of irregular deformable objects, the volume change of the object is difficult to directly measure, and for the deformation quantity of the object, particularly the irregular deformation quantity, the accurate measurement is more required to meet the product test requirement.
In the prior art, the technical scheme for rapidly and conveniently detecting the deformation quantity of the object is relatively lacked.
For example, in the prior art, chinese patent application publication No. CN89102471A discloses a sampler for measuring oil in water, which is characterized in that a bottle bottom lining cover is tightly sealed with the bottom of a sampling bottle by placing the sampler in sewage at a certain depth, and then the sampler is fixed by a fastening nut, so that an inner pull rod cannot slide downwards, and then the sampling bottle is lifted out of the water, and the bottle bottom cover is screwed on. Cm and ml are on the sampling bottle. When the water level in the bottle rises by 1cm, the corresponding water level rises by about 100 ml. The smallest scale measurable was 0.5cm, 50 ml. The sampler for measuring oil in water in the scheme can not be accurate to smaller accuracies such as 20ml, 10ml, 5ml, 1ml, 0.5ml, 0.2ml, 0.1ml and the like, and is not suitable for accurately measuring the deformation quantity of a product capable of generating deformation. The sampler for measuring oil in water mainly aims at oil samplers such as sewage and the like, and can not measure the deformation of the object to be measured in any state from the deformation level 0 to the deformation in the process period. And the sampler for measuring oil in water has high product cost and complicated assembly.
Therefore, a new technical solution is urgently needed to solve the above problems.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a device capable of conveniently detecting the deformation quantity of an object, and has the advantages of simple structure, low cost and accurate detection result.
The invention also provides a detection method using the device.
The technical scheme is as follows: the device for detecting the deformation quantity provided by the invention can adopt the following technical scheme:
a device for detecting deformation comprises a container, an upper cover arranged on an opening at the upper part of the container, and a hollow measuring cylinder; the upper cover is provided with an opening penetrating through the upper cover, the measuring cylinder is arranged in the opening, and the lower opening of the measuring cylinder is communicated with the inside of the container; scales extending from bottom to top are arranged on the measuring cylinder; the top of the measuring cylinder is provided with an upper opening communicated with the inside of the measuring cylinder and the lower opening; the container is sealed with the upper cover, and the measuring cylinder is positioned in the open hole and sealed with the upper cover.
Furthermore, the upper cover is also provided with a jack which penetrates through the upper cover and is communicated with the interior of the container, and a sealing element which is arranged in the jack and is of a hollow structure.
Furthermore, a main sealing element is arranged in the open hole, the main sealing element is provided with a sealing hole for accommodating the lower part of the measuring cylinder, and a plurality of sealing rib positions are arranged on the inner side of the sealing hole.
Further, still be equipped with the auxiliary seal spare of fixed graduated flask bottom in the sealed hole of main seal spare, auxiliary seal spare be equipped with graduated flask below irregular outer convex part complex recess, auxiliary seal spare is located sealed hole below and fixed graduated flask, a plurality of sealing rib positions are in auxiliary seal spare top, and sealing rib position is direct sealed with the contact of graduated flask outer wall.
Furthermore, a limiting part which extends downwards to the inside of the container is arranged below the upper cover, and the opening extends downwards to the bottom of the limiting part and penetrates through the limiting part to be communicated with the inside of the container.
Further, a sealing ring is arranged at the contact part of the upper cover and the container.
Has the advantages that: compared with the prior art, the device provided by the invention has a simple structure, and the principle is that after an object to be measured is placed in a container, liquid is injected into the container until the liquid level reaches one scale value on the measuring cylinder, then after the object to be measured deforms, the liquid reaches the other scale value, and the deformation quantity of the object can be obtained by combining the variation of the scale values and the density of the liquid. And measurement accuracy can be realized through changing the graduated flask of different scale accuracies, and the suitability is strong and measure simply convenient.
The invention also provides a detection method using the device correspondingly to detect the deformation quantity of the object to be detected, and the following technical scheme can be adopted:
a detection method using the above apparatus for detecting a deformation amount, comprising the steps of:
(1) opening the upper cover, and placing the object to be detected into the container; the deformation initial state of the object to be measured is 0;
(2) sealing the upper cover and the container to enable the liquid level of the liquid in the container to reach or overflow the lowest scale of the measuring cylinder, and reading the numerical value corresponding to the liquid level and the scale at the moment and recording as M1;
(3) controlling the deformation of the object to be detected, increasing the volume of the object to be detected, raising the liquid level until the deformation of the object to be detected is completed, reading the numerical value corresponding to the liquid level and the scale at the moment, and recording as M2;
(4) obtaining the deformation V of the object to be measured
V＝|M2-M1|。
Further, the object to be measured takes place deformation through self, if through cell-phone APP control or other wireless control deformation, need not external other components.
Or the object to be measured is provided with a pipeline extending out of the container, the upper cover is also provided with an insertion hole penetrating through the upper cover and communicated with the interior of the container, and a sealing element arranged in the insertion hole, the sealing element is of a hollow structure, the pipeline extends out of the container through the hollow structure, and the pipeline and the sealing element are sealed.
The detection method provided by the invention can also adopt the following technical scheme:
a detection method using the above apparatus for detecting a deformation amount, comprising the steps of:
(1) opening the upper cover, and placing the object to be detected into the container; the deformation initial state of the object to be measured is 0;
(2) sealing the upper cover and the container to enable the liquid level of the liquid in the container to reach the highest scale of the measuring cylinder or be lower than the highest scale of the measuring cylinder, and reading a numerical value corresponding to the liquid level and the scale at the moment, and recording the numerical value as M1;
(3) controlling the deformation of the object to be detected, reducing the volume of the object to be detected, reducing the liquid level until the deformation of the object to be detected is completed, reading the numerical value corresponding to the liquid level and the scale at the moment, and recording as M2;
(4) obtaining the deformation V of the object to be measured
V＝|M2-M1|。
Drawings
FIG. 1 is a schematic sectional perspective view of the apparatus for detecting deformation amount of the present invention, showing a state where an object to be measured is located in a container;
FIG. 2 is an exploded perspective view of the device for detecting deformation of the present invention;
FIG. 3 is an exploded perspective view of the measuring cylinder and the sealing member;
fig. 4 is a schematic sectional perspective view of the measuring cylinder and the sealing member after installation.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
Example one
Referring to fig. 1 to 4, the present embodiment discloses a device for detecting deformation amount, which includes a container 1, an upper cover 2 mounted on an upper opening of the container 1, and a hollow measuring cylinder 3. The upper cover 2 is provided with an opening 21 penetrating through the upper cover 2, the measuring cylinder 3 is arranged in the opening 21, and the lower opening of the measuring cylinder 3 is communicated with the interior of the container. The graduated cylinder 3 is provided with scales 31 extending from bottom to top. The top of the measuring cylinder 3 is provided with an upper opening 32 communicating with the inside and the lower opening of the measuring cylinder 3. The contact part of the upper cover 2 and the container 1 is provided with a sealing ring 4, so that the sealing is formed between the container 1 and the upper cover 2. The lower part of the upper cover 2 is provided with a limiting part 22 which extends downwards to the inside of the container, when the object 10 to be measured is placed in the container 1, the limiting part 22 is used for downwards abutting against the object 10 to be measured, so that the object 10 to be measured is prevented from floating and moving after the liquid is injected into the container 1, and measurement errors are avoided. Meanwhile, the containers 1 are made of transparent materials, and the deformation state of the object to be detected can be observed between the containers 1. The opening extends downwards to the bottom of the limiting part and penetrates through the limiting part to be communicated with the inside of the container. The measuring cylinder 3 is positioned in the opening 21 and forms a seal with the upper cover 2 through the action of a sealing piece. Specifically, a main seal 5 is arranged in the opening 21, the main seal 5 is provided with a seal hole 51 for accommodating the lower part of the measuring cylinder 3, and a plurality of seal rib positions 52 are arranged inside the seal hole 51.
For a measuring cylinder 3 with a regular cylindrical bottom, the main seal 5 can form a seal directly with the measuring cylinder 3. In some cases, however, the measuring cylinder 3 used has an irregular outward projection 33 due to the bottom, as shown in fig. 3. An auxiliary sealing member 6 for fixing the bottom of the measuring cylinder is further arranged in the sealing hole 51 of the main sealing member 5, the auxiliary sealing member 6 is provided with a groove matched with the irregular outer convex part 33 below the measuring cylinder, and after the auxiliary sealing member 6 is matched with the measuring cylinder 3, the periphery of the auxiliary sealing member 6 is used as a regular cylinder so as to form a seal with the main sealing member 5. The auxiliary seal 6 is located below the seal hole 51 and fixes the measuring cylinder 3. The sealing rib positions 52 are arranged above the auxiliary sealing element 6, and the sealing rib positions 52 are directly contacted and sealed with the outer wall of the measuring cylinder 3. It should be noted that the measuring cylinder 3 in this embodiment is not limited to be cylindrical, and measuring cylinders with other shapes, such as a square cross section, can achieve the same function, and are not described herein again.
In this embodiment, the object to be measured takes place deformation through self, if through cell-phone APP control or other wireless control deformation, then need not external other components. After the object 10 to be measured is placed in the container 1, the upper cover 2 and the container 1 are directly sealed. On the other hand, as shown in fig. 1, if the object 10 to be measured has the pipeline 11 extending to the outside of the container 1, in order to enable the pipeline 11 to extend out of the upper cover 2 without damaging the sealing performance of the whole structure, the upper cover 2 is further provided with an insertion hole 23 penetrating the upper cover 2 and communicating with the inside of the container, and a sealing member 24 installed in the insertion hole 23. The sealing member 24 is a hollow structure, the pipeline 11 extends out of the container 1 through the hollow structure, and the pipeline 11 and the sealing member 24 are sealed.
Example two
With reference to the device embodiment in the first embodiment and fig. 1 to 4, the present embodiment provides a detection method using the device for detecting a deformation amount, including the following steps:
(1) opening the upper cover 2, and placing the object to be detected 10 into the container 1; the deformation amount of the object 10 to be measured is initially 0.
(2) And sealing the upper cover 2 and the container 1, enabling the liquid level of the liquid in the container 1 to reach or overflow the lowest scale of the measuring cylinder, and reading the numerical value corresponding to the scale at the moment, wherein the numerical value is recorded as M1.
In this particular embodiment, the raising of the liquid in the container in this step may take a variety of forms, including: firstly, injecting liquid into the container 1 in the step (1), placing the object to be measured 10 into the container 1, and automatically raising the liquid level to reach or overflow the lowest scale of the measuring cylinder due to the volume extrusion effect of the object to be measured 10 and the limiting part 22 after the upper cover 2 is sealed with the container 1; or, firstly, injecting a certain amount of liquid into the container 1 in the step (1), placing the object to be measured 10 into the container 1, sealing the upper cover 2 and the container 1, and then injecting the liquid through the upper opening 32 of the excess cylinder 3 until the liquid level reaches or overflows the lowest scale of the excess cylinder; or in the step (1), no liquid is injected into the container, in the step (2), the object to be measured 10 is placed into the container 1, the upper cover 2 is sealed with the container 1, and then the liquid is injected through the upper opening 32 of the measuring cylinder 3 until the liquid level reaches or overflows the lowest scale of the measuring cylinder. The above three forms can all meet the requirement of making the liquid level in the container reach or overflow the lowest scale of the measuring cylinder in the step (2).
(3) And controlling the deformation of the object to be detected, increasing the volume of the object to be detected, rising the liquid level until the deformation of the object to be detected is completed, reading the numerical value corresponding to the liquid level and the scale at the moment, and recording the numerical value as M2.
(4) Obtaining the deformation V of the object to be measured
V＝|M2-M1|。
In this embodiment, it should be noted that the upper opening 32 of the measuring cylinder 3 plays a role of two purposes, after the integral structure is sealed, the upper opening 32 is an inlet for injecting liquid, and when the liquid level changes, the air pressure inside and outside the upper opening 32 is consistent to achieve the accurate liquid level change amount.
By the detection method provided by the embodiment, the accurate deformation quantity result of the to-be-detected object from small to large can be obtained. The measuring accuracy can be realized by replacing measuring cylinders with different scale accuracies, the applicability is strong, and the measurement is simple and convenient.
EXAMPLE III
The second embodiment can obtain the deformation quantity result of the object to be measured from small to large. And in order to obtain the deformation quantity results of the object to be detected from large to small, the deformation quantity results are obtained by the detection method provided by the implementation.
The present embodiment provides another detection method using the above device for detecting deformation amount, and with reference to fig. 1 to 4, the method includes the following steps:
(1) opening the upper cover 2, and placing the object to be detected 10 into the container 1; the deformation amount of the object 10 to be measured is initially 0.
(2) Sealing the upper cover 2 and the container 1, enabling the liquid level of the liquid in the container 1 to reach the highest scale of the measuring cylinder 3 or be lower than the highest scale of the measuring cylinder 3, and reading the numerical value corresponding to the liquid level and the scale at the moment, and recording the numerical value as M1; in this embodiment, the liquid in the container can be raised in this step in various ways as set forth in step (2) of the embodiment, and will not be described herein again.
(3) And controlling the deformation of the object to be detected 10, reducing the volume of the object to be detected 10, reducing the liquid level until the deformation of the object to be detected is completed, and reading the numerical value corresponding to the liquid level and the scale at the moment and recording the numerical value as M2.
(4) Obtaining the deformation V of the object 10 to be measured
V＝|M2-M1|。
By the detection method provided by the embodiment, accurate deformation quantity results of the size of the object to be detected from large to small can be obtained. Similarly, the measurement accuracy can be realized by replacing measuring cylinders with different scale accuracies, the applicability is strong, and the measurement is simple and convenient.
In addition, the present invention has many specific implementations and ways, and the above description is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The device for detecting the deformation quantity is characterized by comprising a container, an upper cover arranged on an opening at the upper part of the container and a hollow measuring cylinder; the upper cover is provided with an opening penetrating through the upper cover, the measuring cylinder is arranged in the opening, and the lower opening of the measuring cylinder is communicated with the inside of the container; scales extending from bottom to top are arranged on the measuring cylinder; the top of the measuring cylinder is provided with an upper opening communicated with the inside of the measuring cylinder and the lower opening; the container is sealed with the upper cover, and the measuring cylinder is positioned in the open hole and sealed with the upper cover.
2. The apparatus for detecting a deformation amount according to claim 1, wherein: the upper cover is also provided with a jack which penetrates through the upper cover and is communicated with the inside of the container, and a sealing element which is arranged in the jack and is of a hollow structure.
3. The apparatus for detecting a deformation amount according to claim 1 or 2, wherein: the inside of the open hole is provided with a main sealing element which is provided with a sealing hole for accommodating the lower part of the measuring cylinder, and the inner side of the sealing hole is provided with a plurality of sealing rib positions.
4. The apparatus for detecting a deformation amount according to claim 3, wherein: still be equipped with the auxiliary seal spare of fixed graduated flask bottom in the sealed hole of main seal spare, the auxiliary seal spare be equipped with graduated flask below irregular outer convex part complex recess, the auxiliary seal spare is located sealed hole below and fixed graduated flask, a plurality of sealing rib positions are in auxiliary seal spare top, and sealing rib position is direct sealed with the contact of graduated flask outer wall.
5. The apparatus for detecting a deformation amount according to claim 1 or 2, wherein: a limiting part extending downwards into the container is arranged below the upper cover, and the opening extends downwards to the bottom of the limiting part and penetrates through the limiting part to be communicated with the inside of the container.
6. The apparatus for detecting a deformation amount according to claim 5, wherein: and a sealing ring is arranged at the contact part of the upper cover and the container.
7. A detection method using the apparatus for detecting a deformation amount according to any one of claims 1 to 6, comprising the steps of:
(1) opening the upper cover, and placing the object to be detected into the container; the deformation initial state of the object to be measured is 0;
(2) sealing the upper cover and the container to enable the liquid level of the liquid in the container to reach or overflow the lowest scale of the measuring cylinder, and reading the numerical value corresponding to the liquid level and the scale at the moment and recording as M1;
(3) controlling the deformation of the object to be detected, increasing the volume of the object to be detected, raising the liquid level until the deformation of the object to be detected is completed, reading the numerical value corresponding to the liquid level and the scale at the moment, and recording as M2;
(4) obtaining the deformation V of the object to be measured
V＝|M2-M1|。
8. The detection method according to claim 7, characterized in that: the object to be measured deforms by itself.
9. The detection method according to claim 8, characterized in that: the object to be measured is provided with a pipeline extending out of the container, the upper cover is also provided with a jack penetrating through the upper cover and communicated with the inside of the container, and a sealing element arranged in the jack, the sealing element is of a hollow structure, the pipeline extends out of the container through the hollow structure, and the pipeline and the sealing element are sealed.
10. A detection method using the apparatus for detecting a deformation amount according to any one of claims 1 to 6, comprising the steps of:
(1) opening the upper cover, and placing the object to be detected into the container; the deformation initial state of the object to be measured is 0;
(2) sealing the upper cover and the container to enable the liquid level of the liquid in the container to reach the highest scale of the measuring cylinder or be lower than the highest scale of the measuring cylinder, and reading a numerical value corresponding to the liquid level and the scale at the moment, and recording the numerical value as M1;
(3) controlling the deformation of the object to be detected, reducing the volume of the object to be detected, reducing the liquid level until the deformation of the object to be detected is completed, reading the numerical value corresponding to the liquid level and the scale at the moment, and recording as M2;
(4) obtaining the deformation V of the object to be measured
V＝|M2-M1|。
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010106003.9A CN111238424B (en) | 2020-02-20 | 2020-02-20 | Device and method for detecting deformation quantity |
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| CN202010106003.9A CN111238424B (en) | 2020-02-20 | 2020-02-20 | Device and method for detecting deformation quantity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729194A (en) * | 2020-12-30 | 2021-04-30 | 黄春峰 | Intelligent thickness detection device for polyethylene plastic product |
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| CN102052948B (en) * | 2010-11-16 | 2012-03-14 | 济南民天面粉有限责任公司 | Method for measuring volume of steamed bread |
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