CN107525745A - A kind of infiltration rate analyzer and infiltration rate measure control terminal - Google Patents
A kind of infiltration rate analyzer and infiltration rate measure control terminal Download PDFInfo
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- CN107525745A CN107525745A CN201710828030.5A CN201710828030A CN107525745A CN 107525745 A CN107525745 A CN 107525745A CN 201710828030 A CN201710828030 A CN 201710828030A CN 107525745 A CN107525745 A CN 107525745A
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- 230000008595 infiltration Effects 0.000 title abstract 11
- 238000001764 infiltration Methods 0.000 title abstract 11
- 239000007788 liquid Substances 0.000 claims abstract description 298
- 238000012360 testing method Methods 0.000 claims abstract description 160
- 238000005259 measurement Methods 0.000 claims abstract description 41
- 238000012544 monitoring process Methods 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims description 95
- 239000012085 test solution Substances 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 8
- 230000035515 penetration Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 12
- 239000012530 fluid Substances 0.000 abstract 1
- 239000008280 blood Substances 0.000 description 8
- 210000004369 blood Anatomy 0.000 description 8
- 230000002175 menstrual effect Effects 0.000 description 8
- 230000036541 health Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003821 menstrual periods Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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Abstract
The invention provides a kind of infiltration rate analyzer and infiltration rate measure control terminal, it is related to hygiene article sector, to improve the measurement accuracy of amenities infiltration rate.The infiltration rate analyzer includes casing and the timing unit of test fluid time is absorbed for measuring amenities, and liquid feeding unit and base are respectively equipped with the top of the casing；The base has the arcwall face for placing amenities, and the arcwall face is located at below the tap hole of the liquid feeding unit.The infiltration rate measure control terminal applies automatically control in infiltration rate analyzer mentioned above, the terminal including information input unit, control unit, monitoring unit and processing unit to test process.Infiltration rate analyzer provided by the invention and infiltration rate measure control terminal are used for the infiltration rate for determining amenities.
Description
Technical Field
The invention relates to the field of sanitary products, in particular to an absorption speed tester and an absorption speed testing control terminal.
Background
The sanitary towel is a sanitary product commonly used in the female menstrual period, and the absorption speed of the sanitary towel is an important technical index for measuring the absorption performance of the sanitary towel, so that sanitary towel manufacturers have strict requirements on the absorption speed of the sanitary towel.
At present, the instrument that survey sanitary towel absorption rate used is shown in fig. 1, this absorption rate apparatus is including the base 01 that has mount 011, be equipped with objective table 02 on the base 01, be equipped with the swash plate 002 that is used for placing the sanitary towel on the objective table 02, the contained angle that swash plate 002 and objective table's mesa were alpha, be equipped with the tapping funnel 03 of storage test solution on the mount 011, this tapping funnel 03 is located swash plate 002 board top, so that during the test, the test solution that tapping funnel 03 added enough accuracy flows on the sanitary towel 04 of placing on the swash plate 002, guarantee that the test is enough normal clear. However, in the process of testing the absorption rate of the sanitary towel, the absorption rate tester only simply tests the absorption rate of the sanitary towel to the test solution, and ignores the state of the sanitary towel in use and the influence of the state on the absorption rate, so that the absorption rate of the sanitary towel measured by the prior art cannot accurately reflect the absorption rate of menstrual blood of women in a physiological period when the sanitary towel is used.
Disclosure of Invention
The invention aims to provide an absorption rate determinator and an absorption rate determination control terminal, which are used for improving the accuracy of the measurement of the absorption rate of a sanitary towel and enabling a test result to accurately reflect the absorption rate of the sanitary towel to menstrual blood of a female in a physiological period when the sanitary towel is used.
In order to achieve the purpose, the invention adopts the following technical scheme:
an absorption speed tester comprises a box body and a timing unit for measuring the time of absorption test liquid of a sanitary product, wherein the top of the box body is respectively provided with a liquid adding unit and a base; the base is provided with an arc-shaped surface for placing sanitary products, and the arc-shaped surface is positioned below the liquid discharge port of the liquid feeding unit.
Compared with the prior art, in the absorption velocity determinator provided by the invention, the base is provided with the arc-shaped surface for placing the hygienic products, and the arc-shaped surface is positioned below the liquid discharge port of the liquid adding unit, so that the testing liquid added by the liquid adding unit can be ensured to flow onto the hygienic products placed on the arc-shaped surface of the base during testing, the timing unit can measure the time for the hygienic products to absorb the testing liquid, and the absorption velocity of the hygienic products can be obtained according to the volume of the testing liquid added by the liquid adding unit and the time for the hygienic products to absorb the testing liquid measured by the timing unit. Moreover, the position for placing the sanitary product is arranged on the arc-shaped surface of the base, so that the sanitary product can be in an arc-shaped bending state after being placed on the arc-shaped surface, and the state is close to the state of the sanitary towel when in use, therefore, the absorption speed determinator provided by the invention can improve the accuracy of determination of the absorption speed of the sanitary towel, and the absorption speed of the sanitary towel can accurately reflect the absorption speed of the sanitary towel to menstrual blood of women in the physiological period when in use.
In addition, in the absorption velocity determinator provided by the invention, the measuring module comprises a block body and a liquid flow channel arranged on the block body, the block body is positioned on the arc-shaped surface, the inlet of the liquid flow channel is opposite to the liquid discharge port of the liquid adding unit, and the outlet of the liquid flow channel is opposite to the arc-shaped surface of the base, so that when the liquid adding unit adds the test liquid, the test liquid passes through the inlet of the liquid flow channel and then flows along the liquid flow channel; and because the test liquid along the in-process that the liquid runner flows, test liquid and liquid runner rub each other for the velocity of flow of test liquid reduces gradually, just so can improve the measuring accuracy degree of the time that health supplies absorbed the test liquid, and can not lead to the measured health supplies to absorb the time of test liquid to have the deviation because of the acceleration of gravity of test liquid is too big.
In addition, the outlet of the liquid flow channel is opposite to the arc-shaped base, the measuring module is in contact with the surface of the hygienic product during testing, and the outlet of the liquid flow channel is also in contact with the surface of the hygienic product, so that the testing liquid directly reaches the surface of the hygienic product after flowing out along the liquid flow channel, and the measuring accuracy of the time for the hygienic product to absorb the testing liquid is improved.
In addition, because the piece body of measuring module is located the arcwall face for when carrying out the absorption speed and survey, can also utilize the piece body of measuring module to compress tightly health supplies, prevent at the survey in-process, the skew takes place for health supplies's position.
The invention also provides an absorption speed measurement control terminal, so that the absorption speed measurement is automated. The absorption rate measurement control terminal is applied to the absorption rate measurement instrument provided by the technical scheme, and comprises:
an information input unit; the information input unit is used for inputting a set volume V of the test solution;
the main control unit is connected with the information input unit and is used for controlling the liquid adding unit to dropwise add the test liquid according to the set volume V of the test liquid; when the volume of the test solution dripped by the liquid adding unit reaches the set volume V of the test solution, controlling the liquid adding unit to stop dripping the test solution;
the monitoring unit is used for monitoring the volume of the test liquid dripped by the liquid adding unit;
the processing unit is connected with the monitoring unit, the main control unit and the information input unit respectively, and the processing unit is used for judging whether the volume of the test liquid dripped by the liquid adding unit reaches the set volume V of the test liquid, and when the volume of the test liquid dripped by the liquid adding unit reaches the set volume V of the test liquid, the absorption speed is obtained according to the set volume V of the test liquid and the time t of absorbing the test liquid measured by the timing unit.
Compared with the prior art, the absorption speed measurement control terminal provided by the invention has the same beneficial effects as the absorption speed measurement instrument provided by the technical scheme; in addition, in the absorption velocity measuring terminal provided by the invention, after the set volume V of the test solution is input through the information input unit, the main control unit can be used for automatically controlling the liquid adding unit to add the test solution; and in the process of adding the testing liquid by the liquid adding unit, the volume of the testing liquid added by the liquid adding unit is monitored by the monitoring unit, and when the processing unit confirms that the volume of the testing liquid added by the liquid adding unit reaches the set volume V of the testing liquid, the absorption speed of the hygienic product is calculated by the processing unit. Therefore, the absorption rate measurement control terminal provided by the invention can realize the automation of the absorption rate measurement.
Drawings
FIG. 1 is a schematic view showing the structure of a prior art absorption rate measuring instrument;
FIG. 2 is a schematic structural view of an absorption rate measuring instrument according to an embodiment of the present invention;
FIG. 3 is a front view of an absorption rate measuring instrument according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A' of FIG. 3;
FIG. 5 is a left side view of FIG. 3;
FIG. 6 is a top view of FIG. 3;
fig. 7 is a block diagram of an absorption rate measurement control terminal according to an embodiment of the present invention;
fig. 8 is a control flowchart of the absorption rate measurement control terminal according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides an absorption rate tester, which comprises a box body 1 and a timing unit 8 for measuring the time of absorption test liquid of a sanitary product, wherein the top of the box body 1 is respectively provided with a liquid adding unit 3 and a base 2 which are shown in figure 3; the base 2 is provided with an arc surface 20 for placing sanitary articles, and the arc surface 20 is positioned below the liquid discharging port of the liquid feeding unit 3.
It will be appreciated that the test procedure may also be applied to the absorption rate test of a sanitary article having liquid-absorbing properties, such as a sanitary napkin, panty liner, panty diaper or the like, to name but a few. The following describes the test process of the absorption rate measuring apparatus provided by the embodiment of the present invention when a sanitary napkin is used as a sanitary product, with reference to fig. 2, fig. 3 and fig. 7.
Firstly, the sanitary towel is arranged on the arc-shaped surface 20 of the base 2;
secondly, adding the test liquid to the surface of the sanitary towel by using the liquid adding unit 3, and stopping adding the test liquid to the liquid absorbing surface of the sanitary towel by using the liquid adding unit 3 when the volume of the liquid added by the liquid adding unit 3 reaches the set volume V of the test liquid; when the liquid adding unit 3 adds the test liquid to the liquid absorbing surface of the sanitary towel, the time t for the sanitary towel to absorb the test liquid is measured by using the timing unit 8 shown in figure 7;
and thirdly, obtaining the absorption speed V of the sanitary towel according to the time t for the sanitary towel to absorb the test liquid and the set volume V of the test liquid, wherein V is V/t.
Based on the structure of the absorption rate tester provided by the embodiment of the invention and the specific process for measuring the absorption rate of the sanitary towel, the base 2 is provided with the arc-shaped surface 20 for placing the sanitary products, and the arc-shaped surface 20 is positioned below the liquid discharge port of the liquid adding unit 3, so that the test liquid added by the liquid adding unit 3 can flow to the sanitary products placed on the arc-shaped surface 20 of the base 2 during the test, and the timing unit 8 can measure the time for the sanitary products to absorb the test liquid, so that the absorption rate v of the sanitary products can be obtained according to the volume of the test liquid added by the liquid adding unit 3 and the time for the sanitary products to absorb the test liquid. Moreover, because the position for placing the sanitary product is the base 20, the sanitary product is in an arc-shaped bending state, and the state is close to the state of the sanitary towel when in use, therefore, the absorption speed determinator provided by the embodiment of the invention can improve the accuracy of measuring the absorption speed of the sanitary towel, so that the absorption speed of the sanitary towel can accurately reflect the absorption speed of the sanitary towel to menstrual blood of women in the physiological period when in use.
It should be noted that, adjustable support legs can be further arranged at the bottom of the box body 1, so that the balance degree of the box body 1 can be conveniently adjusted, and the influence on the absorption speed measurement caused by the unbalance of the box body 1 is avoided.
Considering that the menstrual blood gradually flows onto the sanitary napkin when the sanitary article such as the sanitary napkin absorbs the menstrual blood secreted by the female physiological site during the actual use, the liquid adding unit 3 of the embodiment of the present invention has a certain gravity acceleration during the falling process when the test liquid is added, so that the test liquid is absorbed by the sanitary article at a relatively fast speed due to the gravity acceleration when the test liquid contacts with the surface of the sanitary article (the sanitary napkin absorbs the menstrual blood secreted by the female physiological site as a reference).
In order to overcome the problem, the embodiment further includes a measuring module 5, the measuring module 5 includes a block body and a liquid flow channel arranged on the block body, the block body is located on the arc-shaped surface 20, an inlet of the liquid flow channel is opposite to the liquid discharge port of the liquid adding unit 3, and an outlet of the liquid flow channel is opposite to the arc-shaped surface 20 of the base 2, so that when the liquid adding unit 3 adds the test liquid, the test liquid passes through the inlet of the liquid flow channel and then flows along the liquid flow channel; and because the test liquid along the in-process that the liquid runner flows, test liquid and liquid runner rub each other for the velocity of flow of test liquid reduces gradually, just so can improve the measuring accuracy degree of the time t that health supplies absorbed the test liquid, and can not lead to the measured health supplies to absorb the time t of test liquid to have a deviation because of the acceleration of gravity of test liquid is too big.
Moreover, since the outlet of the liquid flow channel is opposite to the arc-shaped base 20, and the measuring module 5 is in contact with the surface of the hygienic product during the test, and the outlet of the liquid flow channel is also in contact with the surface of the hygienic product, the test liquid directly reaches the surface of the hygienic product after flowing out along the liquid flow channel, which further improves the measurement accuracy of the time t for the hygienic product to absorb the test liquid.
In addition, because the block body of the measuring module 5 is positioned on the arc-shaped surface 20, when the absorption speed is measured, the sanitary product can be pressed by the block body of the measuring module 5, and the position of the sanitary product is prevented from being deviated in the measuring process.
It should be noted that, in order to prevent the liquid adding unit 3 from splashing when the test liquid is added, the test liquid falls into the liquid flow channel due to the action of gravity, a liquid storage conical groove is further arranged on the block body, a penetration groove communicated with the inlet of the liquid flow channel is arranged at the bottom of the liquid storage conical groove, the notch of the liquid storage conical groove is positioned below the liquid discharging port of the liquid adding unit, and meanwhile, the opening part of the liquid storage conical groove is required to be larger, so that the test liquid can enter the liquid storage conical groove more than the solution and enter the liquid flow channel through the penetration groove.
Optionally, the liquid flow channel may be opened on the surface of the block body, or inside the measuring module 5, and only when the liquid flow channel is opened on the surface of the measuring module, the liquid flow channel is equivalent to a slide for testing the liquid, and is relatively easy to implement in terms of process, but the disadvantage is that the risk of contamination of the testing liquid is easy to occur, and the liquid flow channel is opened inside the block body, so that the occurrence probability of contamination of the testing liquid can be reduced. The structure of the liquid flow passage may be a long groove structure, an arc structure, a zigzag structure or a structure imitating a vagina outlet, or may be other structures, which are not listed here.
Preferably, in order to enable the falling route of the test liquid added by the liquid adding unit to be closer to an actual state during testing, the structure of the liquid flow channel can be limited to be a vagina-imitating outlet structure, so that when the test liquid flows in the liquid flow channel, the flow speed of the test liquid can be reduced by friction between the liquid flow channel and the test liquid, and menstrual blood of a woman in a physiological period can flow in the vaginal opening through the liquid flow channel of the vagina-imitating outlet structure, so that the measurement accuracy of the time t for the sanitary product to absorb the test liquid is further improved after the test liquid reaches the surface of the sanitary product.
Further, to avoid the deviation caused by manual timing, referring to fig. 7, in the present embodiment, the timing unit 8 includes a first electrode 81 and a second electrode 82, and the first electrode 81 and the second electrode 82 are respectively connected to the timer 83; the first electrode 81 and the second electrode 82 are provided on the block body of the measurement module 5, and a detection gap is provided between the probe of the first electrode 81 and the probe of the second electrode 82, the detection gap being located at the outlet of the liquid flow channel.
Based on the specific structure of the timing unit in this embodiment, when the surface of the sanitary product is dry, a large potential difference can be formed between the first electrode 81 and the second electrode 82, and if the surface of the sanitary product has the test solution, the potential difference between the first electrode 81 and the second electrode 82 is relatively low, so that this embodiment can determine whether the test solution exists in the corresponding detection gap on the surface of the sanitary product by defining the detection gap between the probe of the first electrode 81 and the probe of the second electrode 82, so that during the test, the magnitude of the potential difference detected by the probe of the first electrode 81 and the probe of the second electrode 82 can be used. Since the detection gap is located at the outlet of the liquid flow channel, the potential difference between the potentials collected by the first electrode 81 and the second electrode 82 can be changed at the moment when the test liquid flows out of the liquid flow channel, and since the test liquid flows out of the liquid flow channel and then flows onto the surface of the sanitary product, the detection gap is located at the outlet of the liquid flow channel, so that the time for the sanitary product to absorb the test liquid can be more accurately tested.
Specifically, a preset potential difference threshold value may be set according to practical experience, the timer 83 is started when the potential difference between the first electrode 81 and the second electrode 82 is less than or equal to the preset potential difference threshold value, and the timer 83 is turned off when the potential difference between the first electrode 81 and the second electrode 82 is greater than the preset potential difference threshold value.
In other words, when the test is performed, it is indicated that the surface of the sanitary product is not filled with the test solution at the moment when the detection of the potential difference between the first electrode 81 and the second electrode 82 is just started to be greater than the preset potential difference threshold, the timer 83 is started to count time, and the potential difference between the first electrode 81 and the second electrode 82 is detected to be equal to the preset potential difference threshold along with the lapse of time, namely, the potential difference between the first electrode 81 and the second electrode 82 is reduced to a certain extent in a period of time, namely, the potential difference between the first electrode 81 and the second electrode 82 is smaller than the preset potential difference threshold in a period of time; after the liquid is added, the test liquid is absorbed by the hygienic product until the potential difference between the first electrode 81 and the second electrode 82 is greater than or equal to the preset potential difference threshold, and the timer 83 stops timing, so that the purpose of measuring the time t for the hygienic product to absorb the test liquid by the timing unit is fulfilled.
Further, in order to make the measuring module 5 press against the surface of the hygienic device during testing and leave the surface of the hygienic device when not being tested, so as to conveniently put in the hygienic device or take out the hygienic device which has been tested, the absorption rate measuring apparatus provided by the embodiment further comprises a measuring module control unit 4 as shown in fig. 2, fig. 4 and fig. 5; the measuring module control unit 4 is used for controlling the measuring module 5 to press the surface of the hygienic product during testing; wherein,
the measuring module control unit 4 comprises a first motor 41 and a power transmission mechanism 42 for converting rotary motion into linear motion, the first motor 41 can be any motor capable of providing rotary motion, such as a servo motor, and the first motor 41 is arranged in the box body 1; a power interface of the first motor 41 is connected to a first controllable switch 43, the types of the first controllable switch 43 are many, for example, a common photoelectric switch, an electromagnetic switch, and other switches having a distance measurement function, a power output end of the first motor 41 is connected to a power input end of a power transmission mechanism 42, and a power output end of the power transmission mechanism 42 is connected to a carrying mechanism 40 for carrying the measurement module 5; the power transmission mechanism 42 is used for controlling the bearing mechanism 40 to move up and down above the testing surface 20 of the base 2;
the first controllable switch 43 is used for detecting the distance between the measuring module 5 and the hygienic product, when the distance between the measuring module 5 and the hygienic product is greater than 0, the first motor 41 is turned on, and when the distance between the measuring module 5 and the hygienic product is equal to 0, the first motor 41 is turned off.
When a test is required, the first controllable switch 43 may be a photoelectric switch or other switch capable of realizing distance detection, the first controllable switch 43 detects the distance between the measuring module 5 and the hygienic product, and when the distance between the measuring module 5 and the hygienic product is found to be greater than 0, the first motor 41 is turned on, the power transmission mechanism 42 converts the rotary motion provided by the first motor into linear motion, and the bearing mechanism 40 is controlled to move up and down above the arc-shaped surface 20 of the base 2; when the first controllable switch 43 detects that the distance between the measuring module 5 and the hygienic product is equal to 0, the first controllable switch 43 turns off the first motor 41 to ensure that the measuring module 5 and the hygienic product are in a contact state.
Specifically, as shown in fig. 4, the absorption rate measuring instrument provided in the above embodiment further includes a top cover plate 11 located at the top of the box body 1, an installation space for installing the power transmission mechanism 42 is formed between the top cover plate 11 and the top of the box body, the power transmission mechanism 42 includes a first guide shaft 421, a second guide shaft 422, and a first lead screw 423 located between the first guide shaft 421 and the second guide shaft 422; the first lead screw 423 may be a conventional ball screw, or other similar lead screws.
One end of the first guide shaft 421 and one end of the second guide shaft 422 are respectively fixedly connected with the top of the box body 1, the other end of the first guide shaft 421 and the other end of the second guide shaft are fixedly connected with the top cover plate 11, one end of the first lead screw 423 is in power connection with the power output end of the first motor 41 through the coupler 400, the other end of the first lead screw 423 is movably installed in an installation hole formed in the top cover plate 11, the first guide shaft 421 and the second guide shaft 423 are respectively connected with a fixed block in a sliding manner, and a nut of the first lead screw 423 is respectively fixedly connected with the fixed block of the first guide shaft 421 and the fixed block of the second guide shaft 422; the fixed block slidably connected to the first guide shaft 421 is connected to the supporting mechanism 40.
The process of how the power transmission mechanism 42 converts the rotary motion into the linear motion is described in detail below with reference to fig. 4:
the coupling 400 transmits the rotation motion provided by the first motor 41 to the first lead screw 423, so that the first lead screw 423 rotates along with the rotation of the output shaft of the first motor 41, and in the process of rotating the first lead screw 423, the nut of the first lead screw 423 gradually moves towards the top of the box body, and the nut of the first lead screw 423 also drives the fixed block of the first guide shaft 421 to move towards the top of the box body along the first guide shaft 421, and drives the fixed block of the second guide shaft 422 to move towards the top of the box body along the second guide shaft 422; since the fixing block slidably connected to the first guide shaft 421 is connected to the bearing mechanism 40, when the nut of the first lead screw 423 drives the fixing block of the first guide shaft 421 to move along the first guide shaft 421 to the top of the box, the fixing block of the first guide shaft 421 also drives the bearing mechanism 40 to move along the top of the box until the measuring module 5 and the hygienic articles are in a contact state.
It can be understood that, after the test is completed, the first motor can be opened manually, and the direction of the rotary motion provided by the output shaft of the first motor is opposite to the direction of the rotary motion mentioned before, so that the fixing block of the first guide shaft 421 also drives the bearing mechanism 40 to move in the direction away from the top of the box body, so that the measuring module 5 is separated from the hygienic product, thereby ensuring that the hygienic product subjected to the test is taken down from the arc-shaped surface 20 of the base 2.
Further, the bearing mechanism 40 in the above embodiment includes a moving plate 403 and a lifting claw connected to a plate surface of the moving plate 403, the lifting claw is connected to the plate surface of the moving plate 403 through a guide pillar, and a side edge of the moving plate 403 is connected to a power output end of the power transmission mechanism 42, so as to ensure that the power transmission mechanism 42 can drive the moving plate to move between the arc-shaped test surface 20 and a drip hole of the liquid adding unit 3. As for the specific structure of the lifting claw is various,
for example: referring to fig. 5, the lifting claw comprises a first L-shaped supporting plate 401 and a second L-shaped supporting plate 402, and the measuring module 5 is located in an area surrounded by the first L-shaped supporting plate 401 and the second L-shaped supporting plate 402; one end of the first L-shaped supporting plate 401 and one end of the second L-shaped supporting plate 402 are both arranged on the surface of the moving plate 403, so that when the measuring module 5 has a liquid flow channel, the outlet position of the liquid flow channel can be opposite to the gap position formed between the first L-shaped supporting plate 401 and the second L-shaped supporting plate 402, and thus, the first L-shaped supporting plate 401 and the second L-shaped supporting plate 402 cannot block the outlet of the liquid flow channel body, and the smooth passing of the test liquid through the liquid flow channel is ensured.
In order to facilitate the placement of the measuring module 5 in the area surrounded by the first L-shaped supporting plate 401 and the second L-shaped supporting plate 402, but not to block the outlet of the liquid flow channel, it is possible to define that the measuring module has a protruding portion extending from the gap position serving as the supporting plate, and the protruding portion is provided with an extending channel communicated with the liquid flow channel, so that the liquid flow channel is communicated with the outside through the extending channel arranged at the protruding portion, thereby solving the problem of blocking of the liquid flow channel by the first L-shaped supporting plate 401 and the second L-shaped supporting plate 402.
Further, referring to fig. 2, 5 and 6, the liquid adding unit 3 includes a liquid discharging module 31, a liquid storage tank 32, and a second controllable switch 33 for controlling the liquid discharging amount of the liquid discharging module 31, where the second controllable switch 33 has a plurality of types, such as a photoelectric switch, an electromagnetic switch, and other switches with flow measurement function; of course, the liquid adding unit 3 may also include a waste liquid tank 34 for recovering waste liquid, and the liquid reservoir 32 and the waste liquid tank 34 are provided at the top of the tank.
As shown in fig. 4, the tapping module 31 includes a tapping cover disposed at the top of the tank, a lower mounting plate is disposed at the bottom of the tapping cover, an upper mounting plate is disposed between the upper mounting plate and the top of the tapping cover, the upper mounting plate and the top of the tapping cover form a motor mounting area, a second motor 311 is disposed in the motor mounting area, the second motor 311 can be any motor capable of providing a rotary motion, such as a synchronous motor, and the second controllable switch 33 is limited to be connected to a power interface of the second motor 311, so as to ensure that the second controllable switch 33 controls the second motor 311 to be turned on and turned off;
a liquid discharge control installation area is formed between the upper installation plate and the lower installation plate, a plunger pump 312, a second lead screw 313, a third guide shaft and a fourth guide shaft are arranged in the liquid discharge control installation area, and the second controllable switch 33 is connected with a power interface of the plunger pump 312 so as to ensure that the second controllable switch 33 controls the plunger pump to be turned on and off;
one end of a third guide shaft and one end of a fourth guide shaft are respectively fixedly connected with the upper mounting plate, the other end of the third guide shaft and the other end of the fourth guide shaft are respectively fixedly connected with the lower mounting plate, one end of a second lead screw 313 penetrates through the upper mounting plate to be in power connection with the power output end of the second motor 311, the other end of the second lead screw 313 is movably mounted in a mounting hole formed in the lower mounting plate, a nut of the second lead screw 313 is connected with a plunger of a plunger pump 312, the plunger pump 312 is arranged on the third guide shaft and the fourth guide shaft, a working cavity inlet of the plunger pump 312 is communicated with the liquid storage tank 32, a working cavity outlet of the plunger pump 312 is connected with a hose 35 penetrating through the bottoms of the lower mounting plate and the liquid discharge cover, and the hose 35 is provided with a one-way valve.
The second controllable switch 33 is used for detecting the volume of the test liquid passing through the hose 35, when the volume of the test liquid passing through the hose 35 is less than or equal to the set volume of the test liquid, the second motor 311 and the plunger pump 312 are turned on, and when the volume of the test liquid passing through the hose is greater than the set volume of the test liquid, the second motor 311 and the plunger pump 312 are turned off.
During specific work, the volume of the test liquid passing through the hose 35 is detected by the second controllable switch 33, when the volume of the test liquid passing through the hose 35 is smaller than or equal to the set volume of the test liquid, the second motor 311 and the plunger pump 312 are turned on, the rotary motion provided by the second motor 311 is converted through the second lead screw, the plunger of the plunger pump 312 is driven by the nut on the second lead screw 313 to move linearly, the plunger pump 312 is driven to suck the test liquid in the liquid storage tank 32, the test liquid is conveyed to the hose 35 through the working cavity of the plunger pump, and the test liquid flows out through the hose 35.
It should be noted that, as shown in fig. 2 and fig. 3, a testing table 12 may be further disposed on the top of the box body 1 in the above embodiments, and correspondingly, the base 2, the liquid adding unit 3, and the first guide shaft and the second guide shaft in the power transmission mechanism are disposed on the testing table 12, and in order to prevent the base 2 from moving on the testing table 12, a limiting groove 120 may be disposed on the testing table 12, so that the base is fixed in the limiting groove 120, and the base 2 may be prevented from moving on the testing table 12 by the limiting groove 120.
An embodiment of the present invention further provides an absorption rate measurement control terminal, which is applied to the absorption rate measurement instrument provided in the foregoing technical solution, and as shown in fig. 7, the absorption rate measurement control terminal includes: an information input unit 901; the information input unit 901 is used for inputting a set volume V of the test solution and a preset potential difference threshold;
the main control unit 902 is connected with the information input unit 901, and the main control unit 902 is used for controlling the liquid adding unit 3 to add the test liquid according to the set volume V of the test liquid; when the volume of the test solution added by the liquid adding unit 3 reaches the set volume V of the test solution, controlling the liquid adding unit 3 to stop adding the test solution dropwise;
the monitoring unit 903, the monitoring unit 903 is used for monitoring the volume of the test liquid added by the liquid adding unit 3;
and the processing unit 904 is connected with the monitoring unit 903, the main control unit 902 and the information input unit 901, and the processing unit 904 is used for judging whether the volume of the test liquid added by the liquid adding unit 3 reaches the set volume V of the test liquid or not, and when the volume of the test liquid added by the liquid adding unit 3 reaches the set volume V of the test liquid, the absorption speed V of the hygienic product is obtained according to the set volume V of the test liquid and the time t for absorbing the test liquid by the hygienic product measured by the timing unit 8.
The following describes the flow of the control method of the absorption rate measurement control terminal according to this embodiment with reference to fig. 8.
S1: the information input unit 901 inputs a set volume V of the test solution;
s5: the control unit 902 controls the liquid adding unit 3 to add the test liquid according to the set volume V of the test liquid;
s6: the monitoring unit 903 monitors the volume of the test solution added by the liquid adding unit 3;
s7, the processing unit judges whether the volume of the test liquid added by the liquid adding unit 3 reaches the set volume V of the test liquid, if so, the step S8 is executed, otherwise, the step S5 is executed;
and S8, obtaining the absorption speed V of the sanitary product according to the set volume V of the test solution and the time t for the sanitary product to absorb the test solution measured by the timing unit 8.
According to the specific control process of the absorption rate measurement control terminal provided by the embodiment, the information input unit 901 is connected with the main control unit 902, so that after the information input unit 901 inputs the set volume V of the test solution and the test starting instruction, the main control unit 902 can be used for automatically controlling the liquid adding unit to add the test solution, in the process of adding the test solution to the liquid adding unit 3, the monitoring unit 903 is used for monitoring the volume of the test solution added by the liquid adding unit 3, and the processing unit 904 is used for confirming that the volume of the test solution added by the liquid adding unit reaches the set volume V of the test solution, and the processing unit 904 is used for calculating the absorption rate of the hygienic products. Therefore, the absorption rate measurement control terminal provided in the present embodiment can automate the absorption rate measurement.
Specifically, the absorption rate measuring instrument further includes a measuring module control unit 4 connected to the main control unit 902; the information input unit 901 is further used for inputting a test starting instruction, and the main control unit 902 is further used for controlling the measuring module to contact with the hygienic product placed on the arc-shaped surface according to the test starting instruction before the liquid adding unit is controlled to add the test liquid according to the set volume V of the test liquid, so that the measuring module 5 compresses the hygienic product;
the monitoring unit 903 is also used for monitoring the distance between the measuring module 5 and the surface of the hygienic product;
the processing unit 904 is further configured to determine whether the distance between the measuring module 5 and the surface of the hygienic device is equal to 0, and determine that the measuring module 5 is in contact with the surface of the hygienic device when the distance between the measuring module 5 and the surface of the hygienic device is equal to 0.
In specific implementation, between S1 and S5, the method further comprises the following steps:
s2, the main control unit 902 controls the measuring module 5 to contact with the hygienic products placed on the arc-shaped surface according to the test starting instruction, so that the measuring module 5 compresses the hygienic products; specifically, the main control unit 902 controls the start of the measurement module control unit 4; the measuring module control unit 4 controls the measuring module to contact with the hygienic products placed on the arc-shaped surface;
s3, the monitoring unit 903 monitors the distance between the measuring module 5 and the sanitary product;
s4, the processing unit 904 judges whether the distance between the measuring module and the hygienic product is equal to 0, if yes, the step S5 is executed, otherwise, the step S2 is executed;
referring to fig. 7, when the timing unit 8 includes the first electrode 81, the second electrode 82 and the timer 83, the first electrode 81 and the second electrode 82 are respectively connected to the monitoring unit 903, the main control unit 902 is connected to the timer 83, and the timer 83 is connected to the processing unit 904; the monitoring unit 903 is further configured to monitor the electric potential measured by the first electrode 81 and the electric potential measured by the second electrode 82;
the processing unit 904 is further configured to obtain a potential difference between the first electrode 81 and the second electrode 82 according to the potential measured by the first electrode 81 and the potential measured by the second electrode 82; judging whether the potential difference between the first electrode 81 and the second electrode 82 is less than or equal to a preset potential difference threshold value;
the main control unit 902 is further configured to control the timer 83 to time when the potential difference is less than or equal to the preset potential difference threshold, and control the timer 83 to stop timing when the potential difference is greater than the preset potential difference threshold, so as to obtain the time t of absorbing the test solution measured by the timing unit.
In this case, when the absorption rate of the sanitary product is measured, after S4 of the control flow, the method further includes the following steps:
s5': a first electrode 81 measuring potential and a second electrode 82 measuring potential;
s6': the monitoring unit 903 monitors the potential measured by the first electrode 81 and the potential measured by the second electrode 82;
s7': the processing unit 904 obtains the potential difference between the first electrode 81 and the second electrode 82 according to the potential measured by the first electrode 81 and the potential measured by the second electrode 82;
s8', the processing unit 904 judges whether the potential difference between the first electrode 81 and the second electrode 82 is less than or equal to a preset potential difference threshold;
if so, the control unit 902 controls the timer 83 to start timing, the timer 83 sends the measured time to the processing unit 904, and then S6' is executed, otherwise, the main control unit 902 controls the timer to stop timing, obtains the time t of absorbing the test solution measured by the timing unit, and executes S8.
Referring to fig. 4, when the absorption rate measuring apparatus further includes the measuring module control unit 4, the measuring module control unit 4 includes the first motor 41, the power transmission mechanism 42, and the carrying mechanism 40; referring to fig. 7, the main control unit 902 and the monitoring unit 903 are connected to the first controllable switch 43;
the monitoring unit 903 is used for monitoring the distance between the measuring module 5 detected by the first controllable switch 43 and the hygienic product;
the control unit 902 is configured to control the first controllable switch 43 to start the first motor 41 according to the test start instruction, and control the first controllable switch 43 to stop the first motor 42 when the measuring module 5 contacts with the hygienic product.
Referring to fig. 4, when the liquid adding unit includes the liquid discharging module 31, the liquid storage tank 32 and the second controllable switch 33 for controlling the liquid discharging amount of the liquid discharging module 31, referring to fig. 7, the control unit 902 and the monitoring unit 903 are further connected to the second controllable switch 3;
the monitoring unit 903 is used for detecting the volume of the test liquid passing through the hose, and determining the volume of the test liquid added by the liquid adding unit 3 according to the volume of the test liquid passing through the hose.
The main control unit 902 is configured to control the second controllable switch 33 to start the second motor 311 and the plunger pump 312 after determining that the measurement module is in contact with the hygienic product, and control the second controllable switch 311 to turn on the second motor 311 and the plunger pump 312 when the volume of the test solution dripped by the liquid adding unit 3 reaches the set volume V of the test solution.
It should be noted that the absorption speed measurement control terminal provided in this embodiment is stored in the computer host in the form of software, but may also be integrated in the form of a logic circuit in the circuit board, and for convenience of operation and control, the absorption speed measurement control terminal provided in this embodiment is stored in the computer host, and the display 6 of the computer is provided at the top of the housing of the absorption speed measurement instrument. In addition, this embodiment can also set up the printer of computer integration at the box top to the convenience prints out the assay result. Or the printer is arranged in the box body, and a printer window is arranged on the side wall of the box body, so that the printed measuring result can be conveniently taken out of the printer in the box body.
It can be understood that, in this embodiment, a power socket and a computer serial port may be disposed on the box body, so as to conveniently supply power to the motor and the computer which need to supply power.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (13)
1. An absorption speed tester is characterized by comprising a box body and a timing unit for measuring the time of absorbing test liquid by a sanitary product, wherein the top of the box body is respectively provided with a liquid adding unit and a base; the base is provided with an arc-shaped surface for placing sanitary articles, and the arc-shaped surface is positioned below the liquid discharge port of the liquid feeding unit;
the absorption velocity determinator further comprises a measuring module positioned on the arc-shaped surface, the measuring module comprises a block body and a liquid flow channel arranged on the block body, the inlet of the liquid flow channel is opposite to the liquid discharge port of the liquid adding unit, and the outlet of the liquid flow channel is opposite to the arc-shaped surface of the base.
2. The absorption rate measuring instrument according to claim 1, wherein the timing unit comprises a first electrode and a second electrode, the first electrode and the second electrode being connected to the timer, respectively; the first electrode and the second electrode are arranged on the block body, and a detection gap positioned at an outlet of the liquid flow channel is formed between the probe of the first electrode and the probe of the second electrode;
and starting the timer when the potential difference between the first electrode and the second electrode is less than or equal to a preset potential difference threshold value, and closing the timer when the potential difference between the first electrode and the second electrode is greater than the preset potential difference threshold value.
3. The absorption rate measuring instrument according to claim 1, wherein a liquid cone is provided on the block body, a penetration groove communicating with the inlet of the liquid flow path is provided at the bottom of the liquid cone, and a notch of the liquid cone is located below a tapping port of the liquid adding unit.
4. The absorption rate measuring instrument according to claim 3, wherein the liquid flow path is provided on the surface of or in the block body, and the liquid flow path has a long groove structure, an arc structure or a pseudo-vaginal outlet structure.
5. The absorption rate measuring instrument according to any one of claims 1 to 4, further comprising a measuring module control unit for controlling the measuring module to press against the hygienic device during a test; the measuring module control unit comprises a first motor and a power transmission mechanism for converting rotary motion into linear motion, and the first motor is arranged in the box body; the power supply interface of the first motor is connected with the first controllable switch, the power output end of the first motor is connected with the power input end of the power transmission mechanism, and the power output end of the power transmission mechanism is connected with the bearing mechanism for bearing the measuring module;
the first controllable switch is used for detecting the distance between the measuring module and the sanitary product, when the distance between the measuring module and the surface of the sanitary product is larger than 0, the first motor is started, and when the distance between the measuring module and the surface of the sanitary product is equal to 0, the first motor is stopped;
the power transmission mechanism is used for controlling the bearing mechanism to move up and down above the arc-shaped surface of the base.
6. The absorption rate measuring instrument according to claim 5, further comprising a top cover plate located on the top of the housing, an installation space being formed between the top cover plate and the top of the housing for installing the power transmission mechanism, the power transmission mechanism including a first guide shaft, a second guide shaft, and a first lead screw located between the first guide shaft and the second guide shaft;
one end of the first guide shaft and one end of the second guide shaft are fixedly connected with the top of the box body respectively, the other end of the first guide shaft and the other end of the second guide shaft are fixedly connected with the top cover plate, one end of the first lead screw is in power connection with the power output end of the first motor through a coupler, the other end of the first lead screw is movably installed in an installation hole formed in the top cover plate, the first guide shaft and the second guide shaft are respectively in sliding connection with a fixed block, and a nut of the first lead screw is fixedly connected with the fixed block of the first guide shaft and the fixed block of the second guide shaft respectively; and the fixed block which is connected with the first guide shaft in a sliding way is connected with the bearing mechanism.
7. The absorption rate measuring instrument according to claim 5, wherein the supporting mechanism comprises a moving plate, a guide post connected to a plate surface of the moving plate, and a first L-shaped supporting plate and a second L-shaped supporting plate connected to the guide post, the measuring module is located in an area surrounded by the first L-shaped supporting plate and the second L-shaped supporting plate, and a side edge of the moving plate is connected to a power output end of the power transmission mechanism.
8. The absorption rate measuring instrument according to any one of claims 1 to 4, wherein the liquid adding unit comprises a liquid storage tank, a liquid discharging module, and a second controllable switch for controlling the liquid discharging amount of the liquid discharging module; the liquid discharging module comprises a liquid discharging cover arranged at the top of the box body;
a lower mounting plate is arranged at the bottom of the liquid discharging cover, an upper mounting plate is arranged between the lower mounting plate and the top of the liquid discharging cover, a motor mounting area is formed by the upper mounting plate and the top of the liquid discharging cover, a second motor is arranged in the motor mounting area, and the second controllable switch is connected with a power supply interface of the second motor;
a liquid discharge control installation area is formed between the upper installation plate and the lower installation plate, and is provided with a plunger pump, a second lead screw, a third guide shaft and a fourth guide shaft; the second controllable switch is connected with a power interface of the plunger pump; one end of the third guide shaft and one end of the fourth guide shaft are respectively and fixedly connected with an upper mounting plate, the other end of the third guide shaft and the other end of the fourth guide shaft are respectively and fixedly connected with a lower mounting plate, the plunger pump is arranged on the third guide shaft and the fourth guide shaft, one end of the second lead screw penetrates through the upper mounting plate and is in power connection with the power output end of the second motor, the other end of the second lead screw is movably arranged in a mounting hole formed in the lower mounting plate, a nut of the second lead screw is connected with a plunger of the plunger pump, an inlet of a working cavity of the plunger pump is communicated with the liquid storage tank, an outlet of the working cavity of the plunger pump is connected with a hose penetrating through the lower mounting plate and the bottom of the liquid discharge cover, and the hose is provided with a one-way valve;
the second controllable switch is used for detecting the volume of the test liquid passing through the hose, when the volume of the test liquid passing through the hose is smaller than or equal to the set volume of the test liquid, the second motor and the plunger pump are turned on, and when the volume of the test liquid passing through the hose is larger than the set volume of the test liquid, the second motor and the plunger pump are turned off.
9. An absorption rate measurement control terminal applied to the absorption rate measuring instrument according to any one of claims 1 to 8, the absorption rate measurement control terminal comprising:
an information input unit; the information input unit is used for inputting a set volume V of the test solution;
the main control unit is connected with the information input unit and is used for controlling the liquid adding unit to dropwise add the test liquid according to the set volume V of the test liquid; when the volume of the test solution dripped by the liquid adding unit reaches the set volume V of the test solution, controlling the liquid adding unit to stop dripping the test solution;
the monitoring unit is used for monitoring the volume of the test liquid dripped by the liquid adding unit;
the processing unit is connected with the monitoring unit, the main control unit and the information input unit respectively, and the processing unit is used for judging whether the volume of the test liquid dripped by the liquid adding unit reaches the set volume V of the test liquid, and when the volume of the test liquid dripped by the liquid adding unit reaches the set volume V of the test liquid, the absorption speed is obtained according to the set volume V of the test liquid and the time t of absorbing the test liquid measured by the timing unit.
10. The absorption rate measurement control terminal according to claim 9, wherein when the timing unit includes a first electrode, a second electrode, and a timer, the first electrode and the second electrode are connected to the monitoring unit, respectively; the master control unit is connected with the timer, and the timer is connected with the processing unit;
the monitoring unit is also used for monitoring the electric potential measured by the first electrode and the electric potential measured by the second electrode;
the processing unit is further used for obtaining a potential difference between the first electrode and the second electrode according to the potential measured by the first electrode and the potential measured by the second electrode; judging whether the potential difference between the first electrode and the second electrode is less than or equal to a preset potential difference threshold value or not;
the main control unit is further configured to control the timer to time when the potential difference is less than or equal to a preset potential difference threshold value, and control the timer to stop timing when the potential difference is greater than the preset potential difference threshold value, so as to obtain a time t for absorbing the test solution measured by the timing unit.
11. The absorption rate measurement control terminal according to claim 9, wherein when the absorption rate measurement instrument further comprises a measurement module control unit connected to the main control unit; the information input unit is also used for inputting a test starting instruction;
the main control unit is also used for controlling the measuring module to contact with the hygienic product placed on the arc-shaped surface according to a test starting instruction before controlling the liquid adding unit to dropwise add the test liquid according to the set volume V of the test liquid, so that the hygienic product is tightly pressed by the measuring module;
the monitoring unit is also used for monitoring the distance between the measuring module and the surface of the hygienic product;
the processing unit is further used for judging whether the distance between the measuring module and the surface of the hygienic product is equal to 0 or not, and when the distance between the measuring module and the surface of the hygienic product is equal to 0, the measuring module is determined to be in contact with the surface of the hygienic product.
12. The absorption rate measurement terminal according to claim 11, wherein the measurement module control unit comprises a first motor, a power transmission mechanism, and a carrying mechanism; the main control unit and the monitoring unit are connected with a first controllable switch;
the monitoring unit is used for monitoring the distance between the measuring module and the surface of the hygienic product, which is detected by the first controllable switch;
the main control unit is used for controlling the first controllable switch to start the first motor according to a test starting instruction, and controlling the first controllable switch to close the first motor when the measuring module is contacted with the surface of the hygienic product.
13. The absorption rate measurement terminal according to claim 11, wherein when the liquid adding unit includes a liquid storage tank, a liquid discharging module, and a second controllable switch for controlling the amount of liquid discharged from the liquid discharging module, the main control unit and the monitoring unit are further connected to the second controllable switch;
the monitoring unit is used for detecting the volume of the test liquid passing through the hose and determining the volume of the test liquid dripped by the liquid adding unit according to the volume of the test liquid passing through the hose;
the main control unit is used for controlling the second controllable switch to start the second motor and the plunger pump after the contact between the measuring module and the surface of the hygienic product is determined, and controlling the second controllable switch to close the second motor and the plunger pump when the volume of the test liquid dripped by the liquid adding unit reaches the set volume V of the test liquid.
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| CN109470602B (en) * | 2018-11-02 | 2021-02-23 | 江西省美满生活用品有限公司 | Smooth seepage amount testing arrangement of baby diaper |
| CN109443974A (en) * | 2018-12-26 | 2019-03-08 | 湖南康程护理用品有限公司 | A kind of multifunctional detecting device and method for absorbent article |
| CN112362560A (en) * | 2021-01-14 | 2021-02-12 | 南京沃智仪器科技有限公司 | Panty-shape diapers leak protection intellectual detection system |
| CN113358540A (en) * | 2021-06-04 | 2021-09-07 | 中科汇聚(福建)检测科技有限公司 | Simulation type sanitary towel absorption rate tester with heating function |
| CN113358540B (en) * | 2021-06-04 | 2024-05-03 | 中科汇聚(福建)检测科技有限公司 | Simulation sanitary towel absorption rate tester with heating function |
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