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 PDF

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Publication number
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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China
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test fluid
infiltration rate
electrode
unit
measurement module
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Inventor
张清文
史记
张岩
张越
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China National Pulp and Paper Research Institute
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China National Pulp and Paper Research Institute
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Priority to CN201710828030.5A priority Critical patent/CN107525745A/en
Publication of CN107525745A publication Critical patent/CN107525745A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

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

A kind of infiltration rate analyzer and infiltration rate measure control terminal
Technical field
The present invention relates to hygiene article sector, and in particular to a kind of infiltration rate analyzer and the control of infiltration rate measure are eventually End.
Background technology
Sanitary napkin is a kind of commonly used amenities of women physiological period, and its infiltration rate is to weigh sanitary napkin absorbent properties An important technology index, therefore, there are strict requirements in sanitary napkin manufacturer to the infiltration rate of sanitary napkin.
At present, instrument used in sanitary napkin infiltration rate is determined as shown in figure 1, the infiltration rate analyzer includes carrying The base 01 of fixed mount 011, base 01 are provided with objective table 02, and objective table 02 is provided with the swash plate 002 for being used for placing sanitary napkin, The angle that the table top of swash plate 002 and objective table is in is α, and fixed mount 011 is provided with the dram funnel (DF) 03 of storage test fluid, and this is put Liquid funnel 03 is located above the plate of swash plate 002, make it that the test fluid added by dram funnel (DF) 03 enough accurately flows to swash plate when testing On the sanitary napkin 04 placed on 002, ensure that test is enough normally carried out.But this infiltration rate analyzer is in test sanitary napkin It is simply simple to test infiltration rate of the sanitary napkin to test fluid during infiltration rate, and have ignored sanitary napkin and using When state in which, and its influence to infiltration rate, therefore, the sanitary napkin infiltration rate that prior art is determined, not It can accurately reflect when sanitary napkin uses to the infiltration rate of women physiological period menses.
The content of the invention
It is an object of the invention to provide a kind of infiltration rate analyzer and infiltration rate measure control terminal, defended with improving While raw towel infiltration rate measurement accuracy so that test result can accurately reflect sanitary napkin and women is given birth to when in use The infiltration rate of reason phase menses.
In order to achieve the above object, the present invention adopts the following technical scheme that:
A kind of infiltration rate analyzer, including casing and the timing list that the test fluid time is absorbed for measuring amenities Member, liquid feeding unit and base are respectively equipped with the top of the casing;The base has the arcwall face for placing amenities, described Arcwall face is located at below the tap hole of the liquid feeding unit.
Compared with prior art, in infiltration rate analyzer provided by the invention, base has the arc for placing amenities Shape face, and because arcwall face is located at the lower section of the tap hole of liquid feeding unit, so when being tested, it is ensured that liquid feeding unit Added test fluid, which can flow to, to be placed on the amenities of arcwall face possessed by base, is defended so as to obtain timing unit measurement Raw articles for use absorb the time of test fluid, so as to the test fluid volume according to added by liquid feeding unit and the health measured by timing unit Articles for use absorb the time of test fluid, obtain the infiltration rate of amenities.The position for placing amenities is additionally, since in base On possessed arcwall face, this make it that amenities can be in camber case of bending after being placed into arcwall face, and this state with State in which approaches sanitary napkin when in use, and therefore, infiltration rate analyzer provided by the invention can improve sanitary napkin suction Receive the accuracy of velocity determination so that the infiltration rate of sanitary napkin can accurately reflect sanitary napkin when in use to women physiological period The infiltration rate of menses.
Moreover, in infiltration rate analyzer provided by the invention, measurement module includes block body, and is located at block body Flow channel for liquids, block body are located on arcwall face, and the entrance of flow channel for liquids is relative with the tap hole of liquid feeding unit, and flow channel for liquids goes out Mouth is relative with the arcwall face of base so that for liquid feeding unit when adding test fluid, test fluid passes through the entrance of flow channel for liquids, Ran Houyan Flow channel for liquids flowing;And during being flowed due to test fluid along flow channel for liquids, test fluid and flow channel for liquids phase mutual friction, So that the flowing velocity of test fluid is gradually reduced, this makes it possible to the measurement for improving the time that amenities absorbs test fluid is accurate Degree, without because the acceleration of gravity of test fluid is excessive, causing measured amenities to absorb the time of test fluid Deviation.
Further, since the outlet of flow channel for liquids is relative with arc-shaped base, and measurement module and amenities in test Surface contacts, and the outlet of flow channel for liquids is also to be contacted with the surface of amenities, therefore, when test fluid flows out along flow channel for liquids Afterwards, directly reach amenities surface, this also improve amenities absorb test fluid time accuracy of measurement.
Further, since the block body of measurement module is located on arcwall face so that when carrying out infiltration rate measure, additionally it is possible to Amenities is compressed using the block body of measurement module, is prevented in continuous mode, the position of amenities shifts.
Present invention also offers a kind of infiltration rate to determine control terminal, to cause infiltration rate measure automation.The suction The infiltration rate analyzer that velocity determination control terminal applies provide in above-mentioned technical proposal is received, the infiltration rate determines terminal Including:
Information input unit;Described information input block is used for input test liquid setting volume V;
The main control unit being connected with described information input block, the main control unit are used to set body according to the test fluid Product V controls the liquid feeding unit that test fluid is added dropwise;Reach test fluid setting in the test fluid volume that the liquid feeding unit is added dropwise During volume V, the liquid feeding unit is controlled to stop that test fluid is added dropwise;
Monitoring unit, the monitoring unit are used to monitor the test fluid volume that the liquid feeding unit is added dropwise;
The processing unit being connected respectively with monitoring unit, main control unit and information input unit, the processing unit are used for Judge whether the test fluid volume that the liquid feeding unit is added dropwise reaches the test fluid setting volume V, in the liquid feeding unit When the test fluid volume being added dropwise reaches the test fluid setting volume V, volume V and timing unit are set according to the test fluid The time t of the absorption test fluid of measurement, be absorbed speed.
Compared with prior art, the beneficial effect of infiltration rate measure control terminal provided by the invention and above-mentioned technical side The beneficial effect for the infiltration rate analyzer that case provides is identical;In addition, in infiltration rate measure terminal provided by the invention, After setting volume V by information input unit input test liquid, just liquid feeding unit can be automatically controlled to add survey using main control unit Test solution;And during liquid feeding unit adds test fluid, the test fluid volume added by liquid feeding unit, place are monitored by monitoring unit Test fluid volume added by reason unit confirmation liquid feeding unit is calculated when reaching test fluid setting volume V by processing unit The infiltration rate of amenities.Therefore, infiltration rate measure control terminal provided by the invention enables to infiltration rate to determine Automation.
Brief description of the drawings
Fig. 1 is the structural representation of infiltration rate analyzer in the prior art;
Fig. 2 is the structural representation of infiltration rate analyzer provided in an embodiment of the present invention;
Fig. 3 is the front view of infiltration rate analyzer provided in an embodiment of the present invention;
Fig. 4 is the A-A ' sectional views in Fig. 3;
Fig. 5 is Fig. 3 left view;
Fig. 6 is Fig. 3 top view;
Fig. 7 is the structured flowchart of infiltration rate provided in an embodiment of the present invention measure control terminal;
Fig. 8 is the control flow chart of infiltration rate provided in an embodiment of the present invention measure control terminal.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
The embodiments of the invention provide a kind of infiltration rate analyzer, as shown in Fig. 2 the infiltration rate analyzer includes case Body 1 and the timing unit 8 that the test fluid time is absorbed for measuring amenities, the top of casing 1 is respectively equipped with as shown in Figure 3 Liquid feeding unit 3 and base 2;Base 2 is provided with the arcwall face 20 for being used for placing amenities, and arcwall face 20 is located at liquid feeding unit The lower section of 3 tap hole.
It is understood that the test process is readily applicable to the absorption speed with the amenities for absorbing liquid properties Degree test, has that to absorb the amenities of liquid properties can be sanitary napkin, protection pad, paper diaper etc., numerous to list herein.Under When face illustrates infiltration rate analyzer provided in an embodiment of the present invention using sanitary napkin as amenities with reference to Fig. 2, Fig. 3 and Fig. 7 Test process.
The first step, sanitary napkin is placed on the arcwall face 20 of base 2;
Second step, add test fluid to the surface of sanitary napkin using liquid feeding unit 3, when the liquid volume added by liquid feeding unit 3 Reach test fluid setting volume V, liquid feeding unit 3 stops adding test fluid to the imbibition face of sanitary napkin;In liquid feeding unit 3 to sanitary napkin Imbibition face when adding test fluid, utilize timing unit 8 as shown in Figure 7 to measure the time t that sanitary napkin absorbs test fluid;
3rd step, the time t of test fluid is absorbed according to sanitary napkin and test fluid sets volume V, obtains the absorption of sanitary napkin Speed v, wherein, v=V/t.
The structure of the infiltration rate analyzer provided based on the embodiments of the present invention and its absorption speed for measuring sanitary napkin The detailed process of degree understands that base 2 has the arcwall face 20 for placing amenities, and because arcwall face 20 is located at liquid feeding unit 3 Tap hole lower section, so when being tested, it is ensured that the test fluid added by liquid feeding unit 3 can flow to and be placed on bottom Possessed by seat 2 on the amenities of arcwall face 20, so that obtaining timing unit 8 measures the time that amenities absorbs test fluid, So as to which the test fluid volume according to added by liquid feeding unit 3 and amenities absorb the time of test fluid, the suction of amenities is obtained Receive speed v.The position for being additionally, since placement amenities is base 20 so that amenities is in camber case of bending, and this State in which approaches state when in use with sanitary napkin, and therefore, infiltration rate analyzer provided in an embodiment of the present invention can Improve the accuracy of sanitary napkin infiltration rate measurement so that the infiltration rate of sanitary napkin can accurately reflect when sanitary napkin uses pair The infiltration rate of women physiological period menses.
It should be noted that adjustable support leg can also be set in the bottom of casing 1, to facilitate the degree of balance of regulating box 1, Avoid, because casing 1 is uneven, having an impact infiltration rate measurement.
And in view of in actual use, this kind of amenities of such as sanitary napkin is being absorbed secreted by female pathology position Menses when, menses are gradually flowed on sanitary napkin, and the liquid feeding unit 3 of the embodiment of the present invention is when adding test fluid, added Test fluid there is certain acceleration of gravity during wandering, when causing the test fluid to be contacted with the surface of amenities, because For acceleration of gravity the reason for so that test fluid (absorbs women life to be absorbed than faster speed by amenities with sanitary napkin The menses of position secretion are managed as reference).
In order to overcome this problem, the present embodiment also includes measurement module 5, and measurement module 5 includes block body, and is located at The flow channel for liquids of block body, block body are located on arcwall face 20, and the entrance of flow channel for liquids is relative with the tap hole of liquid feeding unit 3, The outlet of flow channel for liquids is relative with the arcwall face 20 of base 2 so that for liquid feeding unit 3 when adding test fluid, test fluid passes through liquid The entrance of runner, flowed then along flow channel for liquids;And during being flowed due to test fluid along flow channel for liquids, test fluid with Flow channel for liquids phase mutual friction so that the flowing velocity of test fluid is gradually reduced, and this makes it possible to improve amenities to absorb test The time t of liquid accuracy of measurement, without because the acceleration of gravity of test fluid is excessive, causing measured amenities to be inhaled The time t of Acceptance Tests liquid is deviated.
It is relative with arc-shaped base 20 to be additionally, since the outlet of flow channel for liquids, and in test, measurement module 5 is used with health The surface contact of product, the outlet of flow channel for liquids and is contacted with the surface of amenities, therefore, when test fluid is along flow channel for liquids After outflow, the surface of amenities is directly reached, this also further improves the survey that amenities absorbs the time t of test fluid Measure the degree of accuracy.
Further, since the block body of measurement module 5 is located on arcwall face 20 so that when carrying out infiltration rate measure, also The block body of measurement module 5 can be utilized to compress amenities, prevented in continuous mode, the position of amenities occurs partially Move.
It should be noted that in order to prevent liquid feeding unit 3 when adding test fluid, because Action of Gravity Field causes test fluid to fall into Flow channel for liquids is splashed, and reservoir cone tank is additionally provided with block body, and the bottom of reservoir cone tank is provided with and flow channel for liquids The infiltration groove of entrance connection, the notch of reservoir cone tank is located at below the tap hole of liquid feeding unit, while requires reservoir taper The opening portion of groove is bigger, and what such test fluid was capable of more solution enters reservoir cone tank, and enters liquid by permeating groove Body runner.
Optionally, flow channel for liquids can be opened in the surface of block body, can also be opened in the inside of measurement module 5, only When being the surface for being opened in measurement module, flow channel for liquids and is easier to realize equivalent to the slide of test fluid in technique, but The risk that test fluid pollution easily occurs is disadvantageous in that, and flow channel for liquids is opened in the inside of block body, can be reduced The probability of happening of test fluid pollution.As for the structure of flow channel for liquids, can be long trough structure, arcuate structure, Z-shaped structure or Imitative vaginal outlet structure, naturally it is also possible to be other structures, just do not enumerate herein.
Preferably, and in order that the route of wandering of test fluid when must test added by liquid feeding unit is more nearly actual shape State, the structure of flow channel for liquids can be limited as imitative vaginal outlet structure, when this make it that test fluid flows in flow channel for liquids, not only The flowing velocity of test fluid can be reduced by flow channel for liquids and test fluid friction, moreover, it is also possible to be flowed through by test fluid imitative The flow channel for liquids of vaginal outlet structure, simulation women physiological period menses flowed in introitus, so as to ensure that test fluid to Up to after the surface of amenities, the accuracy of measurement that amenities absorbs the time t of test fluid is further improved.
Further, in order to avoid deviation caused by manual timing, referring to Fig. 7, timing unit 8 includes in the present embodiment First electrode 81 and second electrode 82, first electrode 81 and second electrode 82 are connected with timer 83 respectively;The He of first electrode 81 Second electrode 82 is located on the block body of measurement module 5, is had between the probe of first electrode 81 and the probe of second electrode 82 Detector gap, the detector gap are located at the outlet of flow channel for liquids.
, can be with first in the surface dry of amenities knowable to concrete structure based on timing unit in the present embodiment The larger potential difference of formation between electrode 81 and second electrode 82, and if there are feelings existing for test fluid on the surface of amenities Condition, the potential difference ratio between first electrode 81 and second electrode 82 is relatively low, and therefore, the present embodiment is by limiting first electrode 81 There is detector gap between probe and the probe of second electrode 82 so that in test, the probe of first electrode 81 can be utilized The size of the potential difference detected with the probe of second electrode 82, to judge that the surface of amenities corresponds to whether detector gap deposits In test fluid.And because detector gap is located at the outlet of flow channel for liquids, so when test fluid is in the moment of trickle runner, just Can the potential difference of current potential that is gathered of first electrode 81 and second electrode 82 with regard to that can change, and because test fluid is flowing out After flow channel for liquids, the surface of meeting horse back runner amenities, therefore, the outlet that detector gap is located at flow channel for liquids can more be defined True test amenities absorbs the time of test fluid.
Specifically, preset potential difference threshold value can be set according to practical experience, first electrode 81 and second electrode 82 it Between potential difference when being less than or equal to preset potential difference threshold value, start timer 83, between first electrode 81 and second electrode 82 Potential difference when being more than preset potential difference threshold value, close timer 83.
In other words, when testing progress, just start to detect the potential difference between first electrode 81 and second electrode 82 More than the poor threshold value of preset potential, then the surface for representing amenities this moment does not have test fluid, without timing, and pushing away over time Move, detect that the potential difference between first electrode 81 and second electrode 82 is equal to preset potential difference threshold value, now timer 83 is opened Beginning timing, and the potential difference within a period of time between first electrode 81 and second electrode 82 has certain reduction, also It is to say, the potential difference within a period of time between first electrode 81 and second electrode 82 is less than preset potential difference threshold value;And adding After liquid, as test fluid is absorbed by amenities, until the potential difference between first electrode 81 and second electrode 82 is more than Equal to the poor threshold value of preset potential, timer 83 stops timing, absorbs test fluid so as to complete timing unit measurement amenities Time t purpose.
Further, in order that obtain measurement module 5 is pressed on surface of sanitary in test, and when not testing, Neng Gouli Surface of sanitary is opened, amenities is put into facilitate or takes out the amenities that has been completed, what the present embodiment provided Infiltration rate analyzer also includes the measurement module control unit 4 as shown in Fig. 2, Fig. 4 and Fig. 5;Measurement module control unit 4 is used Surface of sanitary is pressed on when controlling measurement module 5 in test;Wherein,
The measurement module control unit 4 includes the first motor 41 and for gyration to be converted into the dynamic of linear motion Force transmission mechanism 42, the first motor 41 can be that can arbitrarily provide the motor of gyration, such as servomotor, the first motor 41 It is located in casing 1;The power interface of first motor 41 is connected with the first gate-controlled switch 43, and the species of the first gate-controlled switch 43 compares More such as common optoelectronic switch, electromagnetic switch etc. have the switch of range measurement function, the clutch end of the first motor 41 It is connected with the power intake of power transmission mechanism 42, the clutch end of power transmission mechanism 42 carries measurement module with being used for 5 load carrier 40 connects;Power transmission mechanism 42 is used to control load carrier 40 to transport up and down above the test surfaces 20 of base 2 It is dynamic;
First gate-controlled switch 43 is used to detect the distance between measurement module 5 and amenities, in measurement module 5 and health When the distance between articles for use are more than 0, the first motor 41 is opened, when the distance between measurement module 5 and amenities is equal to 0, Close the first motor 41.
When needing to be tested, the first gate-controlled switch 43 can be the switch of the achievable distance detection such as optoelectronic switch, the One gate-controlled switch 43 detect the distance between measurement module 5 and amenities, discovery measurement module 5 and amenities between away from During from more than 0, the first motor 41 is opened, the gyration that the first motor provides is converted to straight line and transported by power transmission mechanism 42 Dynamic, control control load carrier 40 moves up and down above the arcwall face 20 of base 2;Measurement is detected in the first gate-controlled switch 43 When the distance between module 5 and amenities are equal to 0, the first gate-controlled switch 43 closes the first motor 41, to ensure measurement module 5 Contact condition is in amenities.
Specifically, as shown in figure 4, the infiltration rate analyzer that above-described embodiment provides also is included positioned at the top of casing 1 Lamina tecti 11, forms the installing space for installing power transmission mechanism 42 between lamina tecti 11 and the top of casing, power passes Transfer mechanism 42 includes the first guide shaft 421, the second guide shaft 422, and between the first guide shaft 421 and second guide shaft 422 The first leading screw 423;First leading screw 423 can be common ball-screw or other similar to leading screw.
The top of one end of first guide shaft 421 and one end of the second guide shaft 422 respectively with casing 1 is fixedly connected, and first leads The other end of the other end of axle 421 and the second guide shaft is fixedly connected with lamina tecti 11, one end and the first motor of the first leading screw 423 41 clutch end is movably arranged on lamina tecti 11 and opened up by the power connector of shaft coupling 400, the other end of the first leading screw 423 Mounting hole in, the first guide shaft 421 and the second guide shaft 423 slidably connect fixed block, the nut difference of the first leading screw 423 respectively It is fixedly connected with the fixed block of the first guide shaft 421 and the fixed block of the second guide shaft 422;The fixation that first guide shaft 421 is slidably connected Block is connected with load carrier 40.
The process how power transmission mechanism 42 to be converted to gyration linear motion is described in detail with reference to Fig. 4:
The gyration that first motor 41 provides is passed to the first leading screw 423 by shaft coupling 400 so that the first leading screw 423 Rotated with the rotation of the output shaft of the first motor 41, during the first leading screw 423 rotates, the nut of the first leading screw 423 Gradually moved to direction where casing top, and the nut of the first leading screw 423 also drives the fixed block of the first guide shaft 421 along the One guide shaft 421 moves to direction where casing top, and drive the fixed block of the second guide shaft 422 along the second guide shaft 422 to Direction movement where casing top;And because the fixed block that the first guide shaft 421 is slidably connected is connected with load carrier 40, therefore, The fixed block of the first guide shaft 421 is driven to be moved along the first guide shaft 421 to direction where casing top in the nut of the first leading screw 423 When dynamic, the fixed block of the first guide shaft 421 also drives load carrier 40 to be moved to direction where casing top, until ensureing to measure mould Block 5 is in contact condition with amenities.
It is understood that after the completion of test, the first motor can also be manually opened, and cause the first motor Output shaft provide gyration contrast to gyration it is in opposite direction, the fixed block also band of such first guide shaft 421 Dynamic load carrier 40 moves to away from direction where casing top so that measurement module 5 separates with amenities, so as to ensure by Amenities by test is removed from the arcwall face 20 of base 2.
Further, the load carrier 40 in above-described embodiment includes movable plate 403, and connects with the plate face of movable plate 403 The lifting claw connect, lifting claw are connected to the plate face of movable plate 403 by guide pillar, and side and the power of movable plate 403 transmit The clutch end connection of mechanism 42, to ensure that power transmission mechanism 42 can drive movable plate in arcuation test surfaces 20 and liquid feeding Moved between the liquid droping port of unit 3.It is varied as the concrete structure of lifting claw,
Such as:Referring to Fig. 5, lifting claw includes the first L-type supporting plate 401 and the second L-type supporting plate 402, measurement module 5 In the region that the first L-type supporting plate 401 and the second L-type supporting plate 402 surround;One end and second of first L-type supporting plate 401 One end of L-type supporting plate 402 is each provided at the plate face of movable plate 403 so that, can be by liquid when measurement module 5 has flow channel for liquids The interstitial site formed between the outlet port of body runner and the first L-type supporting plate 401 and the second L-type supporting plate 402 is relative, so The outlet of the first L-type supporting plate 401 and the barrier liquid runner body of the second L-type supporting plate 402 would not be caused, ensure that test fluid can Smoothly pass through flow channel for liquids.
And for convenience by measurement module 5 is placed on the first L-type supporting plate 401 and the second L-type supporting plate 402 surrounds Region, but will not barrier liquid runner outlet, can limit measurement module has protuberance, and the protuberance is from as supporting plate The region stretched out of interstitial site, protuberance offers the extension passage connected with flow channel for liquids, so allows for flow channel for liquids By being located at the extension passage and external communication of protuberance, so as to solve the first L-type supporting plate 401 and the second L-type supporting plate The stop problem of 402 pairs of flow channel for liquids.
Further, Fig. 2, Fig. 5 and Fig. 6 are referred to, liquid feeding unit 3 includes tapping module 31, fluid reservoir 32 and control and put Second gate-controlled switch 33 of the tapping amount of liquid module 31, the species of the second gate-controlled switch 33 is relatively more, such as optoelectronic switch, electromagnetic switch Deng the switch with flow measurement function;Of course for Recycling of waste liquid, liquid feeding unit 3 can also include exhausted bath box 34, fluid reservoir 32 and exhausted bath box 34 be located at casing top.
As shown in figure 4, tapping module 31 includes being located at the tapping cover of casing top, the bottom of tapping cover is provided with lower installation Upper mounting plate, the top formation motor installation of upper mounting plate and tapping cover are provided between the top of plate, upper mounting plate and tapping cover Region, the second motor 311 is provided with motor installation region, and the second motor 311 can be the electricity that can arbitrarily provide gyration Machine, such as synchronous motor, and be connected by limiting the second gate-controlled switch 33 with the power interface of the second motor 311, to ensure the Two gate-controlled switches 33 control the opening and closing of the second motor 311;
Installation region is controlled formed with tapping between upper mounting plate and the lower installation board, tapping control is set in installation region There are plunger pump 312, the second leading screw 313, the 3rd guide shaft and the 4th guide shaft, the power supply of the second gate-controlled switch 33 and plunger pump 312 connects Mouth connection, to ensure the opening and closing of the second gate-controlled switch 33 control plunger pump;
One end of 3rd guide shaft and one end of the 4th guide shaft are fixedly connected with upper mounting plate respectively, the other end of the 3rd guide shaft It is fixedly connected respectively with lower installation board with the other end of the 4th guide shaft, one end of the second leading screw 313 passes through upper mounting plate and second The clutch end power connector of motor 311, the other end of the second leading screw 313 are movably arranged on the installation opened up on lower installation board Kong Zhong, the nut of the second leading screw 313 are connected with the plunger of plunger pump 312, and plunger pump 312 is located at the 3rd guide shaft and described On four guide shafts, the working chamber entrance of plunger pump 312 connects with fluid reservoir 32, the outlet of the working chamber of plunger pump 312 be connected with through The flexible pipe 35 of the bottom of lower installation board and tapping cover, flexible pipe 35 are provided with check valve 350.
Second gate-controlled switch 33 is used for the volume for detecting the test fluid passed through in flexible pipe 35, when the test passed through in flexible pipe 35 When liquid product is less than or equal to test fluid setting volume, the second motor 311 and plunger pump 312 are opened, when what is passed through in the flexible pipe When test fluid volume is more than test fluid setting volume, the second motor 311 and plunger pump 312 are closed.
During specific works, the volume of the test fluid passed through in the second gate-controlled switch 33 detection flexible pipe 35, when logical in flexible pipe 35 When the test fluid volume crossed is less than or equal to test fluid setting volume, the second motor 311 and plunger pump 312, the second motor 311 are opened The gyration of offer is changed by the second leading screw so that the nut on the second leading screw 313 drives the plunger of plunger pump 312 Move along a straight line, so as to drive plunger pump 312 to draw the test fluid in fluid reservoir 32, will be surveyed by the working cavity of plunger pump Test solution is conveyed to flexible pipe 35 so that test fluid is flowed out by flexible pipe 35.
It should be noted that as shown in Figures 2 and 3, the top of above-described embodiment middle case 1 can also set testboard 12, accordingly, the first guide shaft and the second guide shaft in base 2, liquid feeding unit 3 and power transmission mechanism are each provided at testboard 12 On, and in order to prevent base 2 from being moved on testboard 12, stopper slot 120 can be set on testboard 12 so that base is fixed on In stopper slot 120, it is possible to prevent base 2 to be subjected to displacement on testboard 12 by stopper slot 120.
The embodiment of the present invention additionally provides a kind of infiltration rate measure control terminal, is provided applied to above-mentioned technical proposal Infiltration rate analyzer, as shown in fig. 7, infiltration rate measure control terminal includes:Information input unit 901;Information inputs Unit 901 is used for input test liquid setting volume V and preset potential difference threshold value;
The main control unit 902 being connected with information input unit 901, main control unit 902 are used to set volume V according to test fluid Control liquid feeding unit 3 plus test fluid;When the test fluid volume added by liquid feeding unit 3 reaches test fluid setting volume V, control adds Liquid unit 3 stops that test fluid is added dropwise;
Monitoring unit 903, monitoring unit 903 are used to monitor the test fluid volume added by liquid feeding unit 3;
The processing unit 904 being connected respectively with monitoring unit 903, main control unit 902 and information input unit 901, processing Unit 904 is used to judge whether the test fluid volume added by liquid feeding unit 3 to reach test fluid setting volume V, in the institute of liquid feeding unit 3 When the test fluid volume added reaches test fluid setting volume V, the health that volume V and timing unit 8 measure is set according to test fluid Articles for use absorb the time t of test fluid, obtain the infiltration rate v of amenities.
The control method flow of the infiltration rate measure control terminal of the present embodiment offer is provided with reference to Fig. 8.
S1:The input test liquid of information input unit 901 setting volume V;
S5:Control unit 902 sets volume V control liquid feedings unit 3 plus test fluid according to test fluid;
S6:Monitoring unit 903 monitors the test fluid volume added by liquid feeding unit 3;
S7:Processing unit judges whether the test fluid volume added by liquid feeding unit 3 reaches test fluid setting volume V, if It is then to perform S8, otherwise, performs S5;
S8:The time t for the amenities absorption test fluid that volume V and timing unit 8 measure is set according to test fluid, is obtained The infiltration rate v of amenities.
The specific control process of the infiltration rate measure control terminal provided by above-described embodiment, because information is defeated Enter unit 901 to be connected with main control unit 902 so that the input test liquid of information input unit 901 sets volume V and test starting refers to After order, liquid feeding unit can be automatically controlled to add test fluid using main control unit 902, and in liquid feeding unit 3 plus the mistake of test fluid Cheng Zhong, the test fluid volume added by liquid feeding unit 3 is monitored by monitoring unit 903, and liquid feeding list is confirmed by processing unit 904 Test fluid volume added by member calculates the absorption of amenities by processing unit 904 when reaching test fluid setting volume V Speed.Therefore, the infiltration rate measure control terminal that the present embodiment provides enables to infiltration rate measure automation.
Specifically, when the above-mentioned infiltration rate analyzer also measurement module control unit including being connected with main control unit 902 4;Information input unit 901 is additionally operable to input test enabled instruction, and main control unit 902 is additionally operable to setting volume according to test fluid Before test fluid is added dropwise in V control liquid feeding units, used according to the health that test initiation command controls measurement module and is placed on arcwall face Product contact so that measurement module 5 compresses the amenities;
Monitoring unit 903 is additionally operable to monitor the distance between measurement module 5 and surface of sanitary;
Processing unit 904 is additionally operable to judge whether the distance between measurement module 5 and surface of sanitary are equal to 0, is surveying When measuring the distance between module 5 and surface of sanitary equal to 0, determine that measurement module 5 contacts with surface of sanitary.
When it is implemented, between S1 and S5, also comprise the following steps:
S2:Main control unit 902 controls measurement module 5 to be connect with being placed on the amenities of arcwall face according to test initiation command Touch so that measurement module 5 compresses the amenities;Specifically main control unit 902 controls measurement module control unit 4 to start; Measurement module control unit 4 controls measurement module to be contacted with being placed on the amenities of arcwall face;
S3:Monitoring unit 903 monitors the distance of measurement module 5 and amenities;
S4:Processing unit 904 judges whether the distance of measurement module and amenities is equal to 0, if it is, S5 is performed, Otherwise, S2 is performed;
Referring to Fig. 7, when timing unit 8 includes first electrode 81, second electrode 82 and timer 83, first electrode 81 It is connected respectively with monitoring unit 903 with second electrode 82, main control unit 902 is connected with timer 83, and timer 83 is single with processing Member 904 connects;Monitoring unit 903 is additionally operable to monitor the current potential measured by first electrode 81 and the electricity measured by second electrode 82 Position;
Processing unit 904 is additionally operable to the current potential according to measured by first electrode 81 and the electricity measured by the second electrode 82 Position, obtains the potential difference between first electrode 81 and second electrode 82;Judge the electricity between first electrode 81 and second electrode 82 Whether potential difference is less than or equal to preset potential difference threshold value;
Main control unit 902 is additionally operable to when potential difference is less than or equal to preset potential difference threshold value, and control timer 83 is counted When, when potential difference is more than preset potential difference threshold value, control timer 83 stops timing, and the absorption for obtaining timing unit measurement is surveyed The time t of test solution.
Now, when testing the infiltration rate of amenities, after the S4 of above-mentioned control flow, also comprise the following steps:
S5’:First electrode 81 measures current potential and second electrode 82 measures current potential;
S6’:Monitoring unit 903 monitors the current potential measured by first electrode 81 and the current potential measured by second electrode 82;
S7’:Current potential of the processing unit 904 according to measured by first electrode 81 and the current potential measured by second electrode 82, are obtained Potential difference between first electrode 81 and second electrode 82;
S8’:It is default that processing unit 904 judges whether the potential difference between first electrode 81 and second electrode 82 is less than or equal to Potential difference threshold value;
If it is, control unit 902 controls timer 83 to start timing, the time determined is sent to by timer 83 Processing unit 904, S6 ' is then performed, otherwise, main control unit 902 controls timer to stop timing, obtains timing unit measurement The time t of test fluid is absorbed, and performs S8.
Referring to Fig. 4, when infiltration rate analyzer also includes measurement module control unit 4, measurement module control unit 4 is wrapped When including the first motor 41, power transmission mechanism 42 and load carrier 40;Referring to Fig. 7, main control unit 902 and monitoring unit 903 It is connected with the first gate-controlled switch 43;
Monitoring unit 903 is used to monitor the distance between measurement module 5 and amenities of the detection of the first gate-controlled switch 43;
Control unit 902 is used to control the first gate-controlled switch 43 to start the first motor 41 according to test initiation command, is surveying When amount module 5 contacts with amenities, the first gate-controlled switch 43 of control closes the first motor 42.
Referring to Fig. 4, when liquid feeding unit includes tapping module 31, fluid reservoir 32 and the tapping amount of control tapping module 31 During the second gate-controlled switch 33, referring to Fig. 7, control unit 902 and monitoring unit 903 are also connected with the second gate-controlled switch 3;
Monitoring unit 903 is used for the volume for detecting the test fluid passed through in flexible pipe, according to the test fluid passed through in flexible pipe Volume determines the test fluid volume added by liquid feeding unit 3.
Main control unit 902 is used for after it is determined that measurement module contacts with amenities, controls the second gate-controlled switch 33 to start Second motor 311 and plunger pump 312, when the test fluid volume that liquid feeding unit 3 is added dropwise reaches test fluid setting volume V, control Make the second gate-controlled switch 311 and open the second motor 311 and plunger pump 312.
It should be noted that the infiltration rate measure control terminal that the present embodiment provides is to be stored in meter in the form of software Calculate in machine host, naturally it is also possible to be to be integrated in the circuit board in the form of logic circuit, and operate and control for convenience System, in main frame, the display 6 of the computer is located at the infiltration rate measure control terminal storage that the present embodiment provides The casing top of infiltration rate analyzer.In addition, the present embodiment can also be arranged at beating for computer integration in casing top Print machine, measurement result is printed to facilitate.Or printer is located in casing, and open up printing aircraft window in the side wall of casing Mouthful, so that easily the measurement result printed to be taken out from the printer in casing.
It is understood that the present embodiment can set outlet, serial ports of computers on casing, to facilitate to needs Motor, the computer power supply of power supply.
In the description of above-mentioned embodiment, specific features, structure, material or feature can be in any one or more Combined in an appropriate manner in individual embodiment or example.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (13)

1. a kind of infiltration rate analyzer, it is characterised in that when absorbing test fluid including casing and for measuring amenities Between timing unit, be respectively equipped with liquid feeding unit and base at the top of the casing;The base, which has, places amenities Arcwall face, the arcwall face are located at below the tap hole of the liquid feeding unit;
The infiltration rate analyzer also includes the measurement module on the arcwall face, and the measurement module includes block sheet Body, and the flow channel for liquids of the block body is located at, the entrance of the flow channel for liquids is relative with the tap hole of the liquid feeding unit, The outlet of the flow channel for liquids is relative with the arcwall face of the base.
2. infiltration rate analyzer according to claim 1, it is characterised in that the timing unit include first electrode and Second electrode, the first electrode and second electrode are connected with timer respectively;The first electrode and the second electrode are set On the block body, there is going out positioned at the flow channel for liquids between the probe of the first electrode and the probe of second electrode The detector gap of mouth;
When potential difference between the first electrode and the second electrode is less than or equal to preset potential difference threshold value, described in startup Timer, when the potential difference between the first electrode and the second electrode is more than preset potential difference threshold value, described in closing Timer.
3. infiltration rate analyzer according to claim 1, it is characterised in that the block body is provided with reservoir taper Groove, the bottom of the reservoir cone tank are provided with the infiltration groove connected with the entrance of the flow channel for liquids, the reservoir cone tank Notch be located at below the tap hole of the liquid feeding unit.
4. infiltration rate analyzer according to claim 3, it is characterised in that the flow channel for liquids is located at the block body Surface or inside, the flow channel for liquids is long trough structure, arcuate structure or imitative vaginal outlet structure.
5. the infiltration rate analyzer according to any one of Claims 1 to 4, it is characterised in that the infiltration rate measure Instrument also includes being used for the measurement module control unit for controlling the measurement module to be pressed on the amenities in test;The survey Amount module control unit includes the first motor and the power transmission mechanism for gyration to be converted to linear motion, described First motor is located in the casing;The power interface of first motor is connected with the first gate-controlled switch, first motor Clutch end and power transmission mechanism power intake connect, the clutch end of the power transmission mechanism is with being used for Carry the load carrier connection of the measurement module;
First gate-controlled switch is used to detect the distance between the measurement module and the amenities, in the measurement mould When the distance between block and surface of sanitary are more than 0, first motor is opened, in the measurement module and amenities When the distance between surface is equal to 0, first motor is closed;
The power transmission mechanism is used to control the load carrier to move up and down above the arcwall face of the base.
6. infiltration rate analyzer according to claim 5, it is characterised in that the infiltration rate analyzer also includes position In the lamina tecti of casing top, formed between the lamina tecti and the top of the casing for installing the power transmission mechanism Installing space, the power transmission mechanism includes the first guide shaft, the second guide shaft, and positioned at first guide shaft and described the The first leading screw between two guide shafts;
One end of first guide shaft and one end of the second guide shaft are fixedly connected with the top of the casing respectively, and described first leads The other end of the other end of axle and second guide shaft is fixedly connected with the lamina tecti, one end of first leading screw with it is described The clutch end of first motor is movably arranged on the top cover by shaft coupling power connector, the other end of first leading screw In the mounting hole that plate opens up, first guide shaft and the second guide shaft slidably connect fixed block, the spiral shell of first leading screw respectively Mother stock is not fixedly connected with the fixed block of first guide shaft and the fixed block of second guide shaft;First guide shaft, which slides, to be connected The fixed block connect is connected with the load carrier.
7. infiltration rate analyzer according to claim 5, it is characterised in that the load carrier includes movable plate, with The guide pillar of the plate face connection of the movable plate, and the first L-type supporting plate and the second L-type supporting plate being connected with the guide pillar, it is described Measurement module is located at the region that the first L-type supporting plate and the second L-type supporting plate surround, the side of the movable plate with it is described The clutch end connection of power transmission mechanism.
8. the infiltration rate analyzer according to any one of Claims 1 to 4, it is characterised in that the liquid feeding unit includes Fluid reservoir, tapping module and the second gate-controlled switch for controlling tapping module tapping amount;The tapping module includes being located at casing The tapping cover at top;
The bottom of the tapping cover is provided with lower installation board, and upper installation is provided between the lower installation board and the top of the tapping cover Motor installation region is formed on the top of plate, the upper mounting plate and tapping cover, and the second motor is provided with the motor installation region, Second gate-controlled switch is connected with the power interface of second motor;
Installation region is controlled formed with tapping between the upper mounting plate and the lower installation board, the tapping controls installation region Provided with plunger pump, the second leading screw, the 3rd guide shaft and the 4th guide shaft;The power interface of second gate-controlled switch and the plunger pump Connection;One end of 3rd guide shaft and one end of the 4th guide shaft are fixedly connected with upper mounting plate respectively, and the described 3rd leads The other end of the other end of axle and the 4th guide shaft is fixedly connected with lower installation board respectively, and the plunger pump is located at the described 3rd On guide shaft and the 4th guide shaft, one end of second leading screw passes through the clutch end of the upper mounting plate and the second motor Power connector, the other end of second leading screw are movably arranged in the mounting hole opened up on the lower installation board, and described second The nut of leading screw is connected with the plunger of the plunger pump, and the working chamber entrance of the plunger pump connects with the fluid reservoir, described The working chamber outlet of plunger pump is connected with the flexible pipe of the bottom through the lower installation board and the tapping cover, and the flexible pipe is provided with Check valve;
Second gate-controlled switch is used for the volume for detecting the test fluid passed through in the flexible pipe, when the survey passed through in the flexible pipe When test solution volume is less than or equal to test fluid setting volume, second motor and plunger pump are opened, when what is passed through in the flexible pipe When test fluid volume is more than test fluid setting volume, second motor and plunger pump are closed.
9. a kind of infiltration rate measure control terminal, it is characterised in that applied to any one of the claim 1~8 absorption speed Analyzer is spent, the infiltration rate measure terminal includes:
Information input unit;Described information input block is used for input test liquid setting volume V;
The main control unit being connected with described information input block, the main control unit are used to set volume V according to the test fluid Control the liquid feeding unit that test fluid is added dropwise;Reach test fluid setting volume in the test fluid volume that the liquid feeding unit is added dropwise During V, the liquid feeding unit is controlled to stop that test fluid is added dropwise;
Monitoring unit, the monitoring unit are used to monitor the test fluid volume that the liquid feeding unit is added dropwise;
The processing unit being connected respectively with monitoring unit, main control unit and information input unit, the processing unit are used to judge Whether the test fluid volume that the liquid feeding unit is added dropwise reaches the test fluid setting volume V, is dripped in the liquid feeding unit When the test fluid volume added reaches the test fluid setting volume V, volume V is set according to the test fluid and timing unit measures Absorption test fluid time t, be absorbed speed.
10. infiltration rate measure control terminal according to claim 9, it is characterised in that when the timing unit includes When first electrode, second electrode and timer, the first electrode and second electrode are connected with 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 additionally operable to monitor the current potential measured by the first electrode and the current potential measured by the second electrode;
The processing unit is additionally operable to the current potential according to measured by the first electrode and the current potential measured by the second electrode, Obtain the potential difference between first electrode and second electrode;Judge whether is potential difference between the first electrode and second electrode Less than or equal to the poor threshold value of preset potential;
The main control unit is additionally operable to when the potential difference is less than or equal to preset potential difference threshold value, controls the timer to carry out Timing, when the potential difference is more than preset potential difference threshold value, control the timer to stop timing, obtain timing unit measurement Absorption test fluid time t.
11. infiltration rate measure control terminal according to claim 9, it is characterised in that when the infiltration rate determines Instrument also includes the measurement module control unit being connected with main control unit;Described information input block is additionally operable to input test startup and referred to Order;
The main control unit is additionally operable to before volume V is set according to the test fluid and controls the liquid feeding unit that test fluid is added dropwise, Measurement module is controlled to be contacted with being placed on the amenities of the arcwall face according to test initiation command so that the measurement module Compress the amenities;
The monitoring unit is additionally operable to monitor the distance between the measurement module and the surface of sanitary;
The processing unit is additionally operable to judge whether the distance between the measurement module and surface of sanitary are equal to 0, in institute When stating the distance between measurement module and surface of sanitary equal to 0, determine that the measurement module contacts with surface of sanitary.
12. infiltration rate according to claim 11 determines terminal, it is characterised in that the measurement module control unit bag When including the first motor, power transmission mechanism and load carrier;The main control unit and the monitoring unit and the first gate-controlled switch Connection;
The monitoring unit is used to monitor between the measurement module and surface of sanitary that first gate-controlled switch detects Distance;
The main control unit is used to control first gate-controlled switch to start first motor according to test initiation command, in institute When stating measurement module and being contacted with surface of sanitary, first gate-controlled switch is controlled to close first motor.
13. infiltration rate according to claim 11 determines terminal, it is characterised in that the liquid feeding unit includes liquid storage During the second gate-controlled switch of tank, tapping module and the control tapping module tapping amount, the main control unit and the monitoring Unit is also connected with second gate-controlled switch;
The monitoring unit is used for the volume for detecting the test fluid passed through in the flexible pipe, according to the test passed through in the flexible pipe The volume of liquid determines the test fluid volume that the liquid feeding unit is added dropwise;
The main control unit is used for after it is determined that measurement module contacts with surface of sanitary, and control second gate-controlled switch opens Second motor and plunger pump are moved, when the test fluid volume that the liquid feeding unit is added dropwise reaches test fluid setting volume V, Second gate-controlled switch is controlled to close second motor and plunger pump.
CN201710828030.5A 2017-09-14 2017-09-14 A kind of infiltration rate analyzer and infiltration rate measure control terminal Pending CN107525745A (en)

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CN109470602A (en) * 2018-11-02 2019-03-15 江西省美满生活用品有限公司 A kind of cunning milliosmolarity test device of baby paper diaper
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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
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