Device and method for testing and analyzing sanitary care article liquid spread condition
Technical field
The present invention relates to a kind of device and method for detecting liquid spread condition, specifically, being related to a kind of for examining
The device and method for surveying the analysis sanitary care articles such as paper diaper and sanitary napkin liquid spread condition.
Background technique
Sanitary care article is essential article in the life of modern.Common sanitary care article includes mother and baby
Nursing materials, adult incontinent care's articles, feminien hygiene nursing materials, Pet care products etc. specifically include paper diaper, paper
Diaper, nursing pad etc..The brand multiplicity of sanitary care article, by taking paper diaper as an example, people can compare different brands in selection
The performance of product, liquid are an important indexs in the speed of the diffusion of paper diaper surface layer and core, while being also health shield
The production firm for managing articles carries out the important parameter of quality control to the product of production.
The domestic prior art by being accomplished manually, urinates the detection of the moisture diffusion situation of sanitary care article with paper
For the detection of trousers, common testing process is: manually paper diaper being placed on monitor station, and pour into a certain amount of coloured liquid
Body applies certain pressure by placing mass block, waits after a certain period of time, observe and measure colored liquid on paper diaper surface
Display area, and then liquid is calculated in the intracorporal diffusion velocity of paper diaper core.Meanwhile detecting the paper diaper of different model
When, need replacing monitor station.
Obviously, existing detection technique can only obtain the general speed that liquid is spread in paper diaper core, cannot be to expansion
The process of dissipating carries out real-time monitoring, and detects not general inconvenience, there are biggish error and wind by manually being detected mostly
Danger.
Summary of the invention
For above-mentioned defect in the prior art, the present invention provides a kind of for testing and analyzing the expansion of sanitary care article liquid
The device and method for dissipating situation, by reducing to artificial dependence and to diffusion process examinations, it is ensured that the standard of testing result
True property provides objective effective mass parameter for production firm, so that other techniques are controlled and improved.
To achieve the above object, the technical solution adopted by the present invention is that;
According to an aspect of the present invention, it provides a kind of for testing and analyzing the dress of sanitary care article liquid spread condition
It sets, described device includes: detection board, control host and display, the detection board and the control host, the control
Pass through wired between host processed and the display or wirelessly connects;
The detection board includes station, core detection module, surface layer detection module, pressure exerting arrangement and liquid injection
Mechanism;Wherein:
The station is used to place the sanitary care article to be detected of fixed different model;
The pressure exerting arrangement is located above the station, and connect with the control host, and the pressure exerting arrangement is in institute
It states and a pressure is applied to the sanitary care article to be detected being placed on station under control host control;
The liquid injection mechanism is connect with the control host, and the liquid injection mechanism is controlled in the control host
Under to sanitary care article injecting fluid to be detected;
The core detection module is connect with the control host, for detecting liquid in sanitary care article core to be detected
The spread condition in internal portion, and will test result and be transmitted to control host, control host by display display detect liquid to
Detect the intracorporal diffusion position of core of sanitary care article;
The surface layer detection module is connect with the control host, for detecting liquid in sanitary care article table to be detected
The spread condition of layer, and will test result and be transmitted to control host, control host shows that hygiene care to be detected is used by display
The relative humidity of the entire surface layer difference coordinate position of product, diffusion speed of the reflection liquid on the surface layer of sanitary care article to be detected
Degree.
Preferably, the pressure exerting arrangement includes pressure sensor, and the pressure sensor is placed in station and core inspection
It surveys between module, and is fixedly mounted on station, the output of the pressure sensor connects the control host, can be more preferable
Detection pressure exerting arrangement exerted pressure.
Preferably, the pressure exerting arrangement further comprises the machine for driving surface layer detection module to move up and down with flip-flop movement
Structure.
It is highly preferred that the mechanism for driving the up and down motion of surface layer detection module and flip-flop movement includes guide rail guide screw movement
Mechanism, movable panel, main pressure bar, the first auxiliary pressure bar, the second auxiliary pressure bar, overturning push rod;It is the main pressure bar, first auxiliary
Pressure bar, second auxiliary one end for pressing bar are connect with movable panel;One end of overturning push rod is connect with main pressure bar;Guide rail silk
Thick stick movement mechanism connects movable panel, and guide rail guide screw movement mechanism drives movable panel to move up and down, movable panel and then drive
Main pressure bar and the first auxiliary compression bar, the second auxiliary pressure bar and overturning push rod move up and down;It is applied around with master the one end for overturning push rod
The tie point of compression bar rotates, and overturns the other end connection surface layer detection module of push rod, while the first auxiliary compression bar, the second auxiliary pressure bar
The other end connect respectively with surface layer detection module.
Preferably, the core detection module is the probe in detecting module of array.
It is highly preferred that the probe in detecting module of the array includes: probe pcb board fixed plate, probe pcb board, probe aperture
Plate and probe, probe pcb board, probe pcb board fixed plate, probe orifice plate are set gradually according to from the supreme sequence in bottom:
The probe pcb board fixed plate is placed on the pressure sensor in pressure exerting arrangement, and the probe pcb board is fixed on
Probe pcb board fixed plate, the probe orifice plate are fixed on probe pcb board, and sanitary care article to be detected is placed on probe orifice plate
On.Probe is uniformly installed, the signal that probe will test passes to control host in probe pcb board fixed plate.
It is highly preferred that being provided with the telltale mark of sanitary care article to be detected on the probe orifice plate.
It is highly preferred that the profile of different model, specification sanitary care article to be detected is provided on the probe orifice plate,
And the middle position of probe orifice plate is provided with central cross label, sanitary care article to be detected is positioned;
Alternatively, being provided with orthogonal reference axis on the probe orifice plate, and set in orthogonal reference axis
Scale is set, sanitary care article to be detected is positioned.
Preferably, the surface layer detection module is the humidity sensor detection module of array.
It is highly preferred that the humidity sensor detection module of the array includes: humidity sensor pcb board fixed plate, humidity
Sensor pcb board and overlay film, humidity sensor pcb board, humidity sensor pcb board fixed plate and overlay film are suitable according to from top to bottom
Sequence is set gradually:
The humidity sensor pcb board fixed plate is fixed on the bottom of pressure exerting arrangement, and the humidity sensor pcb board is fixed
In the lower part of humidity sensor pcb board fixed plate, the overlay film is covered on the lower surface of humidity sensor pcb board.
It is highly preferred that humidity sensor detection lug is provided on the humidity sensor pcb board, the humidity sensor inspection
It surveys piece output and connects the control host, array square hole is provided on the overlay film, array square hole is for making humidity sensor PCB
Humidity sensor detection lug on plate is preferably contacted with the surface of sanitary care article to be detected.
In the present invention, the control host connects the surface layer detection module, the core detection module, liquid note
Mechanism and the pressure exerting arrangement are penetrated, it can the automatic ration control liquid injection mechanism injection scale of construction and the control pressing machine
Structure applies pressure size automatically.
According to another aspect of the present invention, it provides a kind of for testing and analyzing sanitary care article liquid spread condition
Method, described method includes following steps:
Step 1: sanitary care article to be detected is placed on core detection module;
Step 2: pressure exerting arrangement drives surface layer detection module to move downward, sanitary care article to be detected, Zhi Daoda are contacted
Stop and keep when to preset pressure;
Step 3: liquid of the liquid injection mechanism to the injection point of sanitary care article to be detected injection set amount;
Step 4: being transmitted to control host when core detection module detects the liquid of diffusion, control real on host display
When show liquid in the intracorporal diffusion position of sanitary care article core to be detected;
Step 5: being transmitted to control host when surface layer detection module detects the liquid of diffusion, control host passes through display
The relative humidity of the upper entire surface layer difference coordinate position of real-time display sanitary care article to be detected, and then reflect liquid to be checked
Survey the diffusion velocity on sanitary care article surface layer;
When the relative humidity on the sanitary care article surface layer to be detected detected is greater than the humidity threshold of setting, show to examine
It measures liquid and is had begun in sanitary care article to be detected and occur bleeding back phenomenon.
Compared with prior art, the beneficial effects of the present invention are:
The present invention can quantitatively control injecting fluid amount and carry out automatic application certain pressure, can detect liquid in real time
In the core of sanitary care article to be detected and the diffusion parameter on surface layer, and whether can detecte sanitary care article to be detected
Phenomenon is bled back, accurate comprehensive diffusion parameter can be provided for the production firm of sanitary care article, greatly reduced simultaneously
Influence of the subjective factor of people to testing result.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the device overall structure diagram of one embodiment of the invention;
Fig. 2 is a kind of structural schematic diagram of the probe orifice plate of one embodiment of the invention;
Fig. 3 is another structural schematic diagram of the probe orifice plate of one embodiment of the invention;
Fig. 4 is the structural schematic diagram of the pressure exerting arrangement of one embodiment of the invention;
Fig. 5 is the schematic diagram after the pressure exerting arrangement overturning of one embodiment of the invention;
In figure: 1 is detection board, and 2 be control host, and 3 be display, and 4 be paper diaper;
101 be station, and 102 be core detection module, and 103 be surface layer detection module, and 104 be liquid injection mechanism, 105
For pressure exerting arrangement;
1021 be probe pcb board fixed plate, and 1022 be probe pcb board, and 1023 be probe orifice plate, and 1024 be probe;
1031 be humidity sensor pcb board fixed plate, and 1032 be humidity sensor pcb board, and 1033 be overlay film;
1041 be guide rail guide screw movement mechanism, and 1042 be movable panel, and press bar based on 1043, and 1044 be the first auxiliary pressure
Bar, 1045 be the second additional pressure applicator bar, and 1046 be overturning push rod;1051 be pressure sensor.
Specific embodiment
Further description of the technical solution of the present invention below, and the following description is only to understand technical solution of the present invention
It is used, is not used in and limits the scope of the invention, protection scope of the present invention is subject to claims.
As shown in Figure 1, a kind of for testing and analyzing the embodiment of the device of paper diaper moisture diffusion situation, described device packet
Include: detection board 1, control host 2, display 3 detect and lead between board 1 and control host 2, control host 2 and display 3
It crosses wired or wirelessly connects;
The detection board 1 includes station 101, core detection module 102, surface layer detection module 103, liquid injection machine
Structure 104, pressure exerting arrangement 105, for the station 101 for placing fixed paper diaper 4, the pressure exerting arrangement 104 is located at the behaviour
Make the top of platform 101, connect with the control host 2 and under the control for controlling host 2 to being placed on station 101
Paper diaper 4 apply a pressure, specific pressure size may be set according to actual conditions;The liquid injection mechanism 104 and institute
State the connection of control host 2 and under the control host 2 control to 4 injecting fluid of paper diaper, specific amount of liquid can be according to reality
The setting of border situation;The core detection module 102 is connect with the control host 2, and the core detection module 102 is for detecting
Spread condition of the liquid inside 4 core of paper diaper, and will test result and be transmitted to control host 2, control host 2 passes through display
Core intracorporal diffusion position of the 3 real-time display liquid in paper diaper 4;The surface layer detection module 103 connects with the control host 2
It connects, for detecting liquid in the spread condition on 4 surface layer of paper diaper, and will test result and be transmitted to control host 2, control host 2 is logical
Cross the relative humidity of the entire surface layer difference coordinate position of 3 real-time display paper diaper of display 4, table of the reflection liquid in paper diaper 4
The diffusion velocity of layer.
The control host 2 connects the surface layer detection module 103, the core detection module 102, the liquid injection
Mechanism 104, the pressure exerting arrangement 105, energy automatic ration control described in the 104 injection scale of construction of liquid injection mechanism and control
Pressure exerting arrangement 105 applies pressure size automatically, and the diffusion that can detect liquid in real time in core and surface layer to paper diaper 4 is joined
Number, and can detecte whether paper diaper 4 bleed back phenomenon.
In part preferred embodiment of the present invention, the core detection module 102 can use following preferred structure.
As shown in Figure 1, the core detection module 102 includes probe pcb board fixed plate 1021,1022 and of probe pcb board
Probe orifice plate 1023 and probe 1024, the surface layer detection module 103 include humidity sensor pcb board fixed plate 1031, wet
Sensor pcb board 1032, overlay film 1033 are spent, includes pressure sensor 1051 in the pressure exerting arrangement 105;
The pressure sensor 1051 is fixed on station 101, and the probe pcb board fixed plate 1021 is placed on pressure
On sensor 1051, the probe pcb board 1022 is fixed in probe pcb board fixed plate 1021, and the probe orifice plate 1023 is solid
It is scheduled on probe pcb board 1022, paper diaper 4 are placed on probe orifice plate 1023, the humidity sensor pcb board fixed plate 1031
It is fixed on the bottom of pressure exerting arrangement 105, the humidity sensor pcb board 1032 is fixed on humidity sensor pcb board fixed plate
1031 lower part, the overlay film 1033 are covered on the lower surface of humidity sensor pcb board 1032;
The pressure exerting arrangement 105 drives surface layer detection module 103 to move downward, until pressure sensor 1051 detects one
Fixed pressure value;The holding of surface layer detection module 103 is pressed together on above paper diaper 4;Designing on the probe orifice plate 1023 has
Special telltale mark is placed on the positioning on probe orifice plate 1023 for paper diaper 4;The humidity sensor pcb board 1032
On be provided with humidity sensor detection lug, design has the square hole of array on the overlay film 1033, and array square hole is for passing humidity
Humidity sensor detection lug on sensor pcb board 1032 is more preferably contacted with the surface of paper diaper 4.
In part preferred embodiment of the present invention, the probe orifice plate 1023 can use following preferred structure.
As shown in Fig. 2, being a kind of structural schematic diagram of probe orifice plate 1023, it is provided with not on the probe orifice plate 1023
The profile of same model, specification paper diaper 4, and the middle position of probe orifice plate 1023 is provided with central cross label, in order to
Paper diaper 4 are positioned.
As shown in figure 3, being another structural schematic diagram of probe orifice plate 1023, it is arranged on the probe orifice plate 1023
There is orthogonal reference axis, and scale is set in orthogonal reference axis, in order to be positioned to paper diaper 4.
It in the above-described embodiments,, can be in other embodiments using paper diaper 4 as sanitary care article to be detected
It is other articles, such as sanitary napkin etc..
As shown in Figure 1, wherein pressure exerting arrangement 105 is using the component that can simply move up and down.It is preferred in part of the present invention
In embodiment, the pressure exerting arrangement 105 can use following preferred structure.
It as shown in Figure 4, Figure 5, is the preferred structure schematic diagram of pressure exerting arrangement 105, the pressure exerting arrangement 105 further include: lead
Rail guide screw movement mechanism 1041, movable panel 1042, the auxiliary pressure bar 1044 of main pressure bar 1043, first, the second auxiliary pressure bar
1045, push rod 1046 is overturn, in which:
The main pressure bar 1043, the first auxiliary pressure bar 1045 of auxiliary pressure bar 1044, second one end and movable panel
1042 connections;One end of overturning push rod 1046 is connect with main pressure bar 1043;Guide rail guide screw movement mechanism 1041 connects mobile face
Plate 1042;Guide rail guide screw movement mechanism 1041 drives movable panel 1042 to move up and down, and movable panel 1042 drives master to apply in turn
Compression bar 1043 and the first auxiliary pressure bar 1045 of auxiliary compression bar 1044, second and overturning push rod 1046 move up and down;Overturn push rod
1046 one end can be rotated around the tie point with main pressure bar 1043, and mould is detected on the other end connection surface layer of overturning push rod 1045
Block 103, while the other end of the first auxiliary pressure bar 1045 of auxiliary compression bar 1044, second is connect with surface layer detection module 103 respectively;Institute
It states overturning push rod 1046 to rotate around the tie point with the main pressure bar 1043, and then drives the surface layer detection module 103
It is rotated around the tie point.
By the preferred structure of pressure exerting arrangement 105 described above, surface layer detection module 103 can be driven to move up and down and overturn
Movement, realization automation in the detection process, without artificial or additional intervention.
Based on above-mentioned apparatus, in section Example of the present invention, one kind is for testing and analyzing paper diaper moisture diffusion situation
Method, the described method comprises the following steps:
Step 1: pressure sensor 1051 is fixed on station 101;
Step 2: core detection module 102 is fixed on above pressure sensor 1051;
Step 3: the positioning of paper diaper 4 is placed on probe orifice plate 1023;
Step 4: pressure exerting arrangement 105 drives surface layer detection module 103 to move downward, and contacts paper diaper 4, until pressure passes
Sensor 1051 detects the pressure value of setting, and keeps the pressure value;
Step 5: fixation injection point of the liquid injection mechanism 104 on paper diaper 4 injects a certain amount of liquid;
Step 6: it when the probe 1024 of array detects the liquid of diffusion on core detection module 102, can export corresponding
For electric signal to control host 2, corresponding diffusion position in the core of paper diaper 4 can be shown on the display 3 by controlling host 2;
Step 7: when the humidity sensor of array detects the liquid of diffusion on surface layer detection module 103, meeting output phase is answered
Electric signal to control host 2, can show the diffusion position of the surface layer liquid of paper diaper 4 on the display 3;
Step 8: when the humidity sensor on surface layer detection module 103 detects that the layer humidity of paper diaper 4 is greater than setting
Humidity value when, show in paper diaper 4 that liquid has begun and occurs bleeding back phenomenon;
Step 9: pressure exerting arrangement 105 drives surface layer detection module 103 to move upwards, and leaves 4 surface of paper diaper.
A kind of device and method for testing and analyzing sanitary care article liquid spread condition of the present invention, can be with
Quantitatively control injecting fluid amount and carry out it is automatic apply certain pressure, can core of the real-time detection liquid in paper diaper 4 simultaneously
And the diffusion parameter on surface layer, and can monitor whether liquid bleeds back phenomenon in paper diaper 4, it is the factory of paper diaper 4
Quotient provides accurate comprehensive diffusion parameter, while greatly reducing influence of the subjective factor to testing result of people.
The foregoing is merely section Examples of the invention, not do any restrictions to technical scope of the invention,
Any modification made all within the spirits and principles of the present invention, equivalent replacement and improvement etc., should be included in guarantor of the invention
Within the scope of shield.