CN103398934B - A kind of fabric water permeability resistance hydrostatic pressing test machine and control system and method for testing - Google Patents
A kind of fabric water permeability resistance hydrostatic pressing test machine and control system and method for testing Download PDFInfo
- Publication number
- CN103398934B CN103398934B CN201310356170.9A CN201310356170A CN103398934B CN 103398934 B CN103398934 B CN 103398934B CN 201310356170 A CN201310356170 A CN 201310356170A CN 103398934 B CN103398934 B CN 103398934B
- Authority
- CN
- China
- Prior art keywords
- pressurization tank
- fabric
- pressure
- pressurization
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention provides the method for testing of a kind of fabric water permeability resistance hydrostatic pressing test machine, the control system of a kind of fabric water permeability resistance hydrostatic pressing test machine, a kind of fabric water permeability resistance hydrostatic pressing test machine, relate to both mechanically and electrically controlling technical field。It solve the problem that existing tester architecture is big, noise is high, the scope of application is little。This fabric water permeability resistance hydrostatic pressing test machine, including pressurization tank, clamp system, pressurization/pressure relief mechanism and catch basin；Fabric is clamped by clamp system and pressure (hydraulic) water slot fit；Pressurization/pressure relief mechanism is arranged between bottom surface and the catch basin of pressurization tank, and catch basin is positioned at below pressurization tank。This control system includes display unit, controls module, clamps control unit, pressure signal collecting unit, water inlet/go out water control unit and controller。This control method realizes the clamping of test machine, pressure regulation water inlet, water outlet etc. by this control system and controls。Have that structure letter is gathered, noise is little, efficiency is high, apply the features such as wide。
Description
Technical field
The present invention relates to the test of a kind of fabric water permeability resistance, especially a kind of fabric water permeability resistance hydrostatic pressing test machine, for controlling the control system of fabric water permeability resistance hydrostatic pressing test machine and the method for testing of this fabric water resistant hydrostatic pressing test machine。
Background technology
Fabric water permeability resistance hydrostatic test is a kind of to bear hydrostatic pressing to represent that water passes through the resistance that fabric runs into fabric。Under standard atmospheric conditions, the one side of sample is born the hydraulic pressure continuing to rise, until there being the infiltration of three places, and the force value that record is now is hydrostatic pressing。The hydrostatic pressing that fabric can bear is more big, and water proofing property or water permeability resistance are more good。The hydraulic pressure of test can apply hydraulic pressure from the above and below of sample。
Fabric water permeability resistance can be as piece market demand growth and what the raising of the technical requirement of textile product was constantly come into one's own by industry。Recently as the increase in demand of the domestic and international market of China Textile, in order to reach purpose for export, outlet fabric has to comply with the foreign trade country index request to textile, and hydrostatic pressing is exactly one of which important indicator。Europe client is higher to the requirement of textile water pressure resistance performance, general minimum requirements is at 5.88KPa, have even at 9.8KPa, and in MILSTD, the water pressure resistance minimum requirements of waterproof product is 13.7KPa, and the water pressure resistance of Self-Defense Forces's raincoat is at more than 13.75KPa。Therefore, the quality of the water pressure resistance performance of fabric will directly affect the market efficiency of fabric。
Chinese patent Authorization Notice No. 2115357U, application number 91239096.6 patent disclosure a kind of " hydrostatic pressure generating device for fabric impermeability performance test instrument ", this device is mainly made up of pressure source, cylindrical metal corrugated tube, pressure transducer and hydrostatic pressure delivery hose, described cylindrical metal corrugated tube and a pressure source are connected, and cylindrical metal corrugated tube and pressure source form a hydrostatic pressure generator。Although this device reduces volume, but adopts step motor drive cylinder bellows fashion volume relatively big, and has the following disadvantages: 1. the special construction of corrugated tube forms its processed complex of containment structures；2. after corrugated tube injection water, between upper end with motor, palpiform becomes to seal, and corrugated tube is processed into sealing configurations difficult, sealing is poor, so force value is difficult to quickly put on when the fabric of detection high hydrostatic pressure value, it could even be possible to be unable to reach static pressure force value because leaking；The sealing structure of the flexible principle 3. adopted in corrugated tube work, the pressurized water injected can only be the water capacity in cylinder corrugated tube, therefore maximum hydrostatic pressure is directly defined, hydrostatic pressure cannot be carried out adjusting, if in this case detected fabric elasticity is better, supercharging hydraulic pressure owing to injecting cannot detect final hydrostatic pressing value not, and therefore detection range is little；4. motor is more difficult with coupling of corrugated tube, structure is complicated；5. owing to occurring as soon as, when the moment of motor is big not or pulse frequency is higher than No Load Start frequency, the phenomenon crying howl；Vibration can be produced when low frequency, therefore noise is big, serious vibration and affect the test result of sensor, thus causing the test error of hydrostatic pressing value；6. sensor is contained in the upper end of cylindrical metal corrugated tube, and cylindrical metal corrugated tube is compressed downwards under the driving of motor, had been detached from the detection of sensor by the water surface after compressing and can't detect force value；7. the pipe fitting being connected with corrugated tube is pressure delivery hose, this structure pressurization time flexible pipe compressive deformation and dividing potential drop, therefore hydrostatic pressing poor stability, add cost。
Summary of the invention
The present invention is directed to the problems referred to above of existing fabric water permeability resistance hydrostatic compression testing device, it is proposed that a kind of fabric water permeability resistance hydrostatic pressing test machine, this hydrostatic pressing test machine has the feature of simple in construction；Proposing the control system of a kind of fabric water permeability resistance hydrostatic pressing test machine, this control system can make this water press testing machine continuous pressure realize Based Intelligent Control；Proposing the method for testing of a kind of fabric water permeability resistance hydrostatic pressing test machine, this method of testing has easy to operate, efficiency high。
A kind of fabric water permeability resistance hydrostatic pressing test machine, it is characterised in that described hydrostatic pressing test machine includes framework, is arranged on the pressurization tank on framework, clamp system, pressurization/pressure relief mechanism and catch basin；Described clamp system coordinates with the end face of pressurization tank fabric is clamped；Described pressurization/pressure relief mechanism is arranged between bottom surface and the catch basin of pressurization tank, and described catch basin is positioned at the lower section of pressurization tank。
Described clamp system includes pressure strip and the driving mechanism driving pressure strip to move up and down。Driving mechanism drives pressure strip can be clamped in by fabric when moving down between pressure strip and pressurization tank。
Described pressure strip has through hole, and described through hole is positioned at the surface of pressurization tank, and described through hole is equal to the notch size of pressurization tank。Through-hole aperture restriction Main Function is to provide extending space when pressurized expansion for fabric, is beneficial to fabric is clearly seen that when water permeability resistance is tested the elasticity of fabric stretches the situation of rising and fabric seeps water situation in order to test machine has open sightingpiston simultaneously。
Described pressure strip has downwardly convex clamping face, sets rounding between described clamping face and the hole wall of through hole。Under convex clamping face for coordinating with pressurization tank end face, fabric is clamped, damaged and affect test when rounding is set to prevent from fabric elasticity from stretching rising。
Described driving mechanism includes connecting plate, some guide posts and the actuator being fixed on framework, described some guide posts are slidably arranged in framework and upper end is connected with pressure strip, described connecting plate is connected in the middle part of some guide posts, and described actuator can drive connecting plate to drive some guide posts to move up and down。
Described framework is provided with guide holder, and described actuator is installed on guide holder。
Described some guide posts are slidably arranged on guide holder, and the lower end of some guide posts has limited block。When guide post slides upward, limited block prevents the mobile excess of stroke。
Motor that described actuator includes being installed on guide holder, the screw mandrel being connected on motor output shaft by shaft coupling and the nut being installed on connecting plate, described screw mandrel and nut screw connection。The cooperation rotating through screw mandrel and nut of motor makes connecting plate move up and down, thus driving some guide posts to drive pressure strip to move。
The second structure: motor, the gear being connected on motor output shaft that described actuator includes being installed on guide holder and be vertically installed in the tooth bar on connecting plate, described wheel and rack coordinates。The cooperation rotating through gear and tooth bar of motor makes connecting plate move up and down, thus driving some guide posts to drive pressure strip to move。
The present invention is except two kinds of above-mentioned actuators, it is possible to directly drive connecting plate to drive guide post to move by the mode of hydraulic pressure or air pressure。
The end face of described pressurization tank offers arcuate groove, in described arcuate groove, is provided with sealing ring。Sealing ring is O-ring seals, and sealing ring exposes pressurization tank summit portion less than 1/2nd circular arcs when being placed on arcuate groove, more than three/three-arc, this is arranged on when sealing ring is extruded mainly to arcuate groove both sides stress, decrease and the extruding of arcuate groove notch, extend the service life of sealing ring, improve sealing property。When clamping face on pressure strip compresses fabric with pressurization tank end face, sealing ring plays clamping and the effect sealed, it is ensured that fabric is compacted, water in tank does not overflow between pressurization tank and pressure strip。
Described pressurization tank be laterally provided with overflow groove。This overflow groove is for reclaiming because testing careless and excessive water droplet。
Described pressing mechanism includes the water inlet pipe connecting catch basin and pressurization tank, the peristaltic pump being arranged on water inlet pipe, and described water inlet pipe is arranged on the bottom surface of pressurization tank。When peristaltic pump is opened, the water in catch basin is sent in pressurization tank by water inlet pipe, and the water in pressurization tank increases gradually。
Described pressure relief mechanism includes the outlet pipe connecting catch basin and pressurization tank, the relief valve being arranged on outlet pipe, and described outlet pipe is arranged on the bottom surface of pressurization tank。When relief valve is opened, the water in pressurization tank is expelled back in catch basin by outlet pipe, and the water in pressurization tank is by minimizing。
The bottom surface of described pressurization tank is provided with sensor。This sensor is pressure transducer, the pressure of the tank that pressurizes during for detecting fabric water test。
The top of described catch basin is lower than the bottom surface of pressurization tank。Time the effect of this setting is easy for opening relief valve under gravity, for being back in catch basin after the water pressure release of supercharging。
Described framework is provided with controller, control panel and control chamber, described controller is arranged in control chamber, described control panel is provided with display screen, and described pressure transducer and controller electrically connect, and the pressure of pressure transducer detection can be shown on a display screen by controller。
The control system of a kind of fabric water permeability resistance hydrostatic pressing test machine, it is characterised in that described control system includes: the display unit shown for input and output；Control module for user setup parameter, input operation；For controlling fabric clamping or the clamping control unit unclamped；For gathering the pressure signal collecting unit of pressure (hydraulic) water trough inner water pressure；For regulating the flow of inlet water of pressurization tank or carrying out the water inlet of draining control/go out water control unit；Receive operation and control the signal of module, pressure signal collecting unit or water inlet/go out water control unit, and control clamping control unit and fabric is clamped, controls water inlet control unit and regulate flow of inlet water, control water control unit and carry out draining or be sent to by the signal of pressure acquisition unit collection on display unit the controller of display。
Described control module includes the on and off switch for test machine power on/off, starts or stops the testing and control switch of test, controls the clamping control switch of clamp system work, and carries out the operated key of parameter setting for operating display unit。On and off switch has opening power and closes two functions of power supply；Testing and control switch, for starting at any time or midway dwell test function, particularly can stop pressurization but not pressure release with stopping testing button when there being three place's water droplets to ooze out, keep hydrostatic pressing value 10～20 minutes；Clamping controls switch and has startup motor forward or reverse, and controls three functions of motor stalling。
Described clamping control unit includes for controlling the control circuit of motor forward and backward and time-out in clamp system, the travel switch of detection clamp system stroke。Being closed mode under travel switch normal condition, clamping controls switch by when rotating forward, and control circuit is activated, and motor rotates forward, and pressure strip moves down, until touching travel switch, control circuit is disconnected, motor stalls, and now fabric is clamped；When clamping controls switch by reversion, control circuit is activated, motor reversal, and pressure strip moves up, until touching travel switch, control circuit is disconnected, motor stalls, and now clamp system returns to initial position；When control circuit is in normal execution process, clamping controls switch by by when suspending, and control circuit disconnects, motor stalls, clamp system break-off。
Described pressure signal collecting unit includes pressure transducer, signal conditioning circuit, analog to digital conversion circuit, the simulated pressure signal of described pressure transducer detection is converted to digital signal by digital to analog converter and flows to controller after being processed by signal conditioning circuit。
Described signal conditioning circuit includes signal amplification circuit and signal filter circuit。The signal of collection is mainly amplified on the range needed for analog-digital converter by signal amplification, and by signal filter circuit filtering interference signals, it is ensured that the degree of accuracy of signal。
Described water inlet control unit includes digital regulation resistance, and described controller adjusts the discharge of peristaltic pump by adjusting digital regulation resistance。
Described controller also couples and has buzzer and/or printer。When buzzer is for button operation and spacing touching, send prompt tone, confirm to be triggered。Test fabric upper surface when printer is for printing test or meansigma methods and fabric hydraulic pressure test result, the testDate etc. of the hydraulic pressure climbing speed of lower surface, hydraulic pressure。
The method of testing of a kind of fabric water permeability resistance hydrostatic pressing test machine, it is characterised in that comprise the following steps:
(1) open test machine, be operated by key and preset the hydraulic pressure climbing speed of peristaltic pump；
(2) flattening of test fabric is covered on pressurization tank；
(3) starting motor to rotate forward, fabric is clamped on pressurization tank by clamp system down through pressure strip, and makes fabric constitute a closed environment with pressurization tank；
(4) peristaltic pump is opened to pressurization tank pressurization, till fabric face has the infiltration of three places, now closes peristaltic pump, watches the force value of pressure transducer detection, and record force value from display screen；
(5) after peristaltic pump stops 10 to 20 minutes, controller startup relief valve is opened, and is discharged by the water of 1/3 to 1/2 in pressurization tank, and closes relief valve；
(6) start motor reversal, unclamp clamp system, take out fabric；
(7) closing power supply, relief valve is opened, and the water in pressurization tank drains。
In described step (4), water in catch basin is delivered to while pressurization tank after opening by peristaltic pump, the pressure constantly of pressure transducer detection sends controller to and calculates hydraulic pressure climbing speed, and compare with default hydraulic pressure climbing speed, readjust the discharge in next cycle of peristaltic pump。
(1) to (6) step can be repeated after described step (6) operation and carry out the one or many test of various fabrics or a kind of fabric。
Described fabric is previously added suitable quantity of water before being clamped in pressurization tank, described in the water yield that is previously added and pressurization tank either flush。It is previously added water and can improve the efficiency of test, avoid air too much in pressurization tank simultaneously, cause the tank air pressure that pressurizes during test excessive。
The invention has the beneficial effects as follows:
(1) this test machine adopts the clamp system of lifting, design at the pressurization/pressure relief mechanism of pressure (hydraulic) water trench bottom and pressure detection mechanism, and therefore overall volume is little, structure simple is gathered, it is easy, easy to operate to process installation；
(2) present invention realizes the clamping of fabric by fixed pressurization tank and the clamp system automatically controlled, and fabric is stable, reliable after being clamped；
(3) when water inlet controls, hydraulic pressure climbing speed can be adjusted after comparing with preset value, and can be continuously added to water and boost, and therefore the testing efficiency of this test machine hydrostatic pressing is high, boosting space is relatively big, complete machine is applied widely；And adopting peristaltic pump to be automatically adjusted the inflow of pressurization tank, it is higher that noise is low, discharge adjusts precision sensitive, hydrostatic pressing test；
(4) when going out water management, the method adopting segmentation water outlet, can effectively improve repeatedly the hydrostatic pressing testing efficiency of fabric, reduce testing cost；
(5) force value when user can directly be observed the infiltration situation of fabric by the through hole on pressure strip and display screen and be seeped water, therefore result viewing is convenient。
Accompanying drawing explanation
Fig. 1 is the structural representation of test machine of the present invention。
Fig. 2 is the top view of Fig. 1。
Fig. 3 is the partial structurtes schematic diagram of test machine of the present invention。
Fig. 4 is the Control system architecture schematic diagram of test machine of the present invention。
Number in the figure, clamp system 1, pressure strip 11, through hole 11a, clamping face 11b, pressurization tank 12, overflow groove 121, arcuate groove 122, sealing ring 123, guide post 13, guide holder 14, limited block 15, screw mandrel 16, motor 17, shaft coupling 171, connecting plate 18, nut 19, pressurization/pressure relief mechanism 2, relief valve 21, peristaltic pump 22, pressure transducer 23, water inlet pipe 24, outlet pipe 25, catch basin 3, framework 4, gripper shoe 41, spike 42, control chamber 5, controller 51, control panel 52, display screen 521, button 522；Printer 6, buzzer 7, filler pipe 8, display unit 101, testing and control switch 106, on and off switch 107, clamping control switch 108, operated key 109, control circuit 110, travel switch 1, travel switch 2 112, analog to digital conversion circuit 113, signal amplification circuit 114, signal filter circuit 115, digital regulation resistance 116, peristaltic pump driver 117。
Detailed description of the invention
The present invention is further illustrated below in conjunction with accompanying drawing。
Embodiment one:
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of fabric water permeability resistance hydrostatic pressing test machine of the present invention, including framework 4, pressurization tank 12, clamp system 1, pressurization/pressure relief mechanism 2 and catch basin 3。
Framework 4 includes gripper shoe 41 and a spike 42, and gripper shoe 41 is positioned at the top of a spike 42, is installed with guide holder 14 at the middle part of a spike 42。Offering through hole in gripper shoe 41, the pressurization tank 12 of tubular is arranged in through hole and is fixed in gripper shoe 41, and the bottom surface of pressurization tank 12 is arranged on the lower section of gripper shoe 41, but is positioned at the top of guide holder 14；The end face of pressurization tank 12 offers arcuate groove 122, sealing ring 123 it is provided with in arcuate groove 122, sealing ring 123 is O-ring seals, and sealing ring 123 exposes pressurization tank 12 summit portion less than 1/2nd circular arcs when being placed on arcuate groove 122, this is arranged on main arcuately groove 122 both sides stress when sealing ring 123 is extruded, decrease and the extruding of arcuate groove 122 notch, extend the service life of sealing ring 123。Pressurization tank 12 be laterally provided with overflow groove 121, this overflow groove 121 is for reclaiming because testing careless and excessive water droplet；The bottom surface of pressurization tank 12 offers three screwed holes running through bottom surface: a screwed hole installs pressure transducer 23, for detecting the hydraulic pressure in pressurization tank 12；One screwed hole is installed into waterpipe jointing, makes water inlet pipe 24 be connected with pressurization tank 12；One screwed hole installs outlet pipe interface, makes outlet pipe 25 be connected with pressurization tank 12。
With reference to Fig. 1 and 3, clamp system 1 includes pressure strip 11 and the driving mechanism driving pressure strip 11 to move up and down。
Pressure strip 11 has downwardly convex clamping face 11b, under convex clamping face 11b for coordinating with pressurization tank 12 end face, fabric is clamped, and when the clamping face 11b on pressure strip 11 and pressurization tank 12 end face compression fabric, fabric is played clamping and the effect sealed by sealing ring 123 between the two, it is ensured that fabric is compacted, water in tank does not overflow between pressurization tank 12 and pressure strip 11；Pressure strip 11 offers through hole 11a, described through hole 11a is positioned at the surface of pressurization tank 12 and the diameter of the through hole 11a internal diameter equal to pressurization tank 12, through hole 11a is arranged on the top of pressurization tank 12 and defines the size in aperture, convenient viewing fabric is when water permeability resistance is tested, and the elasticity of fabric stretches the situation of rising and fabric infiltration situation。Between clamping face 11b and the hole wall of through hole 11a, set rounding, stretch with elasticity after preventing fabric clamping damaged when rising and affect test。
Driving mechanism includes 18, four guide posts 13 of connecting plate and the actuator being fixed on framework 4, four guide posts 13 are slidably arranged on gripper shoe 41 and guide holder 14 upper end of four guide posts 13 and are connected with pressure strip 11, the lower end of four guide posts 13 is respectively equipped with limited block 15, can certainly be connected on the spacing bigger limited block 15 of same, when making guide post 13 upward sliding, it is prevented that the mobile excess of stroke。Be installed with the connecting plate 18 that vertical four guide post 13 axis are arranged at the middle part of four guide posts 13, connecting plate 18 centre position is installed with a nut 19。Actuator is installed on guide holder 14, actuator in the present invention includes the motor 17 being installed on guide holder 14, the screw mandrel 16 being connected on motor 17 output shaft and the nut 19 being installed on connecting plate 18 by shaft coupling 171, and screw mandrel 16 is threadeded through connecting plate 18 with nut 19。Circumferentially rotating of motor 17 output shaft changes into moving up and down of nut 19 by the cooperation of screw mandrel 16 and nut 19, and namely connecting plate 18 moves up and down, thus driving four guide posts 13 to drive pressure strip 11 to move up and down, it is achieved the clamping of fabric with unclamp。The mode that can certainly pass through hydraulic pressure or air pressure directly drives connecting plate 18 to drive guide post 13 to move。
Pressurization/pressure relief mechanism 2 is arranged between bottom surface and the catch basin 3 of pressurization tank 12。Pressing mechanism includes the water inlet pipe 24 connecting catch basin 3 and pressurization tank 12, the peristaltic pump 22 being arranged on water inlet pipe 24, and this peristaltic pump 22 is fixed on framework 4, and water inlet pipe 24 one end is connected on the bottom surface of pressurization tank 12, and the other end is connected on catch basin 3。When peristaltic pump 22 is opened, the water in catch basin 3 is pumped in pressurization tank 12 by water inlet pipe 24, and the water in pressurization tank 12 increases gradually。Pressure relief mechanism includes the outlet pipe 25 connecting catch basin 3 and pressurization tank 12, the relief valve 21 being arranged on outlet pipe 25, and outlet pipe 25 one end is connected on the bottom surface of pressurization tank 12, and the other end is connected on catch basin 3。When relief valve 21 is opened, the water in pressurization tank 12 is expelled back in catch basin 3 by outlet pipe 25, and the water in pressurization tank 12 is by minimizing。
The top of catch basin 3 is provided with filler pipe 8；When catch basin 3 being added water, it is possible to by closing the water intaking valve on filler pipe 8, seal so that catch basin 3 is formed；Catch basin 3 laterally offer two holes: one arranges water inlet tube interface, and for being connected with water inlet pipe 24, another one arranges outlet pipe interface, for being connected with outlet pipe 25；The top of catch basin 3 is lower than the bottom surface of pressurization tank 12, time the effect of this setting is easy for opening relief valve 21 under gravity, for being back in catch basin 3 after the water pressure release of supercharging, the bottom of catch basin 3 can arrange outlet valve, for being discharged by the water in catch basin 3。
For realizing Based Intelligent Control, being provided with control chamber 5, controller 51 and control panel 52 on framework 4, controller 51 is arranged in control chamber 5, and control panel 52 includes button 522 and display screen 521；Button 522 is correspondingly arranged with the on and off switch 107 controlled in module, clamping control switch 108, operated key 109, testing and control switch 106；Operated key 109 includes left and right, upper and lower and confirmation totally five keys；Pressure transducer 23 and controller 51 electrically connect, and the pressure of pressure transducer 23 detection can be shown on display screen 521 by controller 51。The on and off switch 107 of test machine, clamping can be controlled switch 108, testing and control switch 106 and operated key 109 and be operated by the button 522 on control panel 52。
The operation principle of the present invention: placing a sealing ring 123 on the arcuate groove 122 on pressurization tank 12, and be layered on pressurization tank 12 by the flattening of test fabric, fabric need to more than the external diameter of pressurization tank 12；By operating on the button 522 of control panel 52, controller 51 starts motor 17 and is moved down by clamp system 1, until fabric is clamped between pressure strip 11 and pressurization tank 12 by pressure strip 11, making fabric lower surface constitute a closed environment with pressurization tank 12, now motor 17 stops motor 17 and operates；Controller 51 is opened, peristaltic pump 22 is intake, the hydraulic pressure climbing speed that peristaltic pump 22 presets according to controller 51 is sent in pressurization tank 12 by water inlet pipe 24 from catch basin 3, increasing the pressure data that controller 51 sends according to pressure transducer 23 simultaneously to pressurization tank 12 and carry out data process, the flooding parameter preset with controller 51 compares the inflow readjusting peristaltic pump 22；Such iterative cycles automatically controls the hydraulic pressure increment of pressurization tank 12, until pressurization tank 12 in hydraulic pressure increase to fabric face have three places infiltration till, close peristaltic pump 22, stopping peristaltic pump 22 and send water to pressurization tank 12, the hydraulic pressure now recorded from pressure transducer 23 is fabric water permeability resistance hydrostatic pressing value。After test machine detection, according to the time preset on controller 51, automatically start control relief valve 21 and open, or manually opened relief valve 21, the water in pressurization tank 12 is back to catch basin 3 under gravity；After pressure release completes, controller 51 is issued an order and is opened motor 17, and motor 17 will move on clamp system 1, until pressure strip 11 departs from, with pressurization tank 12, the original position arrived before starting, completes hydrostatic pressing test。
Embodiment two:
Actuator in the present embodiment includes the screw mandrel 16 being rotatably connected on guide holder 14 and the nut 19 being installed on connecting plate 18, and the upper end of screw mandrel 16 coordinates with nut 19, and the lower end of screw mandrel 16 is provided with turning handle。Circumferentially rotating of screw mandrel 16 makes nut 19 move up and down along screw mandrel 16, and namely connecting plate 18 moves up and down, thus driving four guide posts 13 to drive pressure strip 11 to move up and down, it is achieved the clamping of fabric with unclamp。Other structure in the present embodiment is identical with embodiment one。
Embodiment three:
Motor 17, the gear being connected on motor 17 output shaft that actuator in the present embodiment includes being installed on guide holder 14 and be vertically installed in the tooth bar on connecting plate 18, wheel and rack coordinates, circumferentially rotating of motor 17 output shaft changes into moving up and down of tooth bar by the cooperation of gear and tooth bar, namely connecting plate 18 moves up and down, thus driving four guide posts 13 to drive pressure strip 11 to move up and down, it is achieved the clamping of fabric with unclamp。Other structure in the present embodiment is identical with embodiment one。
Embodiment four:
The gear being rotatably connected on guide holder 14 that actuator in the present embodiment includes being installed on guide holder 14 coordinates with gear and is fixedly connected on connecting plate 18 upper rack, and gear is connected to can the handle that rotates of driven gear。Manually band fixed handle rotate after, gear driven tooth bar moves up and down, and namely connecting plate 18 moves up and down, thus driving four guide posts 13 to drive pressure strip 11 to move up and down, it is achieved the clamping of fabric with unclamp。Other structure in the present embodiment is identical with embodiment。
Embodiment five:
With reference to shown in Fig. 4, the control system of this fabric water permeability resistance hydrostatic pressing test machine is in the fabric water permeability resistance hydrostatic pressing test machine of embodiment one and embodiment three, and this control system includes controller 51, clamping control unit, pressure signal collecting unit, water inlet/go out water control unit, display unit 101, controls module, buzzer 7, printer 6。Controller 51 is singlechip controller, singlechip controller can receive the signal controlling module, pressure signal collecting unit or water inlet/go out water control unit 105/106, and control clamping control unit and fabric is clamped, controls water inlet control unit and regulate flow of inlet water, control water control unit and carry out draining, the signal of pressure acquisition unit collection is sent on display unit 101 display or the signal controlling module input is processed。
The content of display unit 101 can be shown on display screen 521, this display unit 101 mainly include the pressure of pressurization tank 12 show, the hydraulic pressure climbing speed setting of the flow indication of peristaltic pump 22, peristaltic pump 22, the startup/stopping of peristaltic pump 22, the close/open of relief valve 21, the test surfaces of fabric, testDate, and test result when test machine is automatically switched off after off-test and meansigma methods。
Control module, it is arranged on control panel 52, including the on and off switch 107 for controlling test machine power on/off, for starting or stoping the testing and control switch 106 of test machine, controlling the clamping control switch 108 of clamp system 1 work, and carry out the operated key 109 of parameter setting for operating display unit 101。When on and off switch 107 is in open mode, test machine is energized；When being closed, test machine power-off。During testing and control switch 106 startup, peristaltic pump carries out supercharging test；Test occurs when three place water droplets overflow, and closes testing and control switch 106, and peristaltic pump suspends water inlet, keep the fixing hydraulic pressure value of pressurization tank 12 1 after about 10～20 minutes controller 51 automatically start relief valve 21 and carry out pressure release。Clamping control switch 108 has startup motor 17 forward or reverse and controls three functions of motor 17 stall: as in figure 2 it is shown, when F key pressed by clamping control switch 108, motor 17 rotates forward, and connecting plate 18, four guide posts 13, pressure strips 11 move down；When R key pressed by clamping control switch 108, motor 17 reverses, and connecting plate 18, four guide posts 13, pressure strips 11 move up；When S key pressed by clamping control switch 108, motor 17 stops operating, and 18, four guide posts 13 of connecting plate, pressure strip 11 stop lifting。Operated key 109 includes left and right, up and down and confirm totally five keys, operates about this, the content in display unit 101 can be selected by upper and lower four keys, by middle acknowledgement key the content selected can be confirmed or performed by controller 51。
Clamping control unit is used for controlling fabric clamping or unclamping, and clamping control unit includes the control circuit 110 for controlling motor 17 forward and backward and time-out in clamp system 1, the travel switch of motor driver and control clamp system 1 stroke。Owing to the moment needed for clamp system 11 is relatively larger, it is necessary to the motor 17 of the bigger statical moment of power goes to perform, by single-chip microcomputer and motor driver cooperating, thus realizing the stable start and stop of motor 17。
Clamping controls switch 108 and coordinates, with control circuit 110, the rotating forward that can realize motor 17, reverses and stop operating。Travel switch includes travel switch 1 and travel switch 2 112, and the signal of travel switch 1 and travel switch 2 112 can pass to controller 51, and original state is all closed mode；Travel switch 1 is arranged on the end face of pressurization tank 12, and is positioned at outside the sealing ring 123 on pressurization tank 12；When F key pressed by clamping control switch 108, control circuit 110 is activated, motor 17 rotates forward, pressure strip 11 moves down, and the clamping face 11b of pressure strip 11 touches with the end face of pressurization tank 12, clamping face 11b top pressure travel switch 1, travel switch 1 disconnects, control circuit 110 is disconnected, and motor 17 stops operating, and now fabric is clamped；Travel switch 2 112 is arranged on guide holder 14, when R key pressed by clamping control switch 108, control circuit 110 is activated, and motor 17 reverses, and pressure strip 11 moves up, limited block 15 and the guide holder 14 of guide post 13 lower end are touched, limited block 15 2 top pressure travel switch 2 112, travel switch 2 112 is opened, and control circuit 110 is disconnected, motor 17 stops operating, and now clamp system 1 returns to initial position；When control circuit 110 is in normal execution process, when clamping control switch 108 is pressed to F key, control circuit 110 disconnects, and motor 17 stops operating, clamp system 1 break-off。
Pressure signal collecting unit is for gathering the hydraulic pressure in pressurization tank 12, pressure signal collecting unit includes pressure transducer 23, signal conditioning circuit, analog to digital conversion circuit 113, signal conditioning circuit includes signal amplification circuit 114 and signal filter circuit 115, the signal of collection is amplified on the range needed for analog to digital conversion circuit 113 by signal amplification circuit 114 by the simulated pressure signal of pressure transducer 23 detection, and by converting digital signal to by analog to digital conversion circuit 113 and flow to controller 51 after signal filter circuit 115 filtering interference signals, controller 51 force value detected is sent in display unit 101 show, so as the force value can observed accurately in real time in pressurization tank 12。
Water inlet control unit is for regulating the flow of inlet water of pressurization tank 12, and water inlet control unit includes digital regulation resistance 116, peristaltic pump driver 117；Middle controller 51 of the present invention changes the magnitude of current of peristaltic pump 22 by digital regulation resistance 116, thus adjusting the discharge of peristaltic pump 22 so that the hydraulic pressure adjusted in time in pressurization tank 12, the application of digital regulation resistance 116 has that degree of regulation height, noise be low, the feature of long working life。In whole control program, the control of peristaltic pump 22 discharge is according to the hydraulic pressure constantly recorded by pressure transducer 23 in Quick Acquisition supercharging groove, and calculate hydraulic pressure climbing speed by controller, this hydraulic pressure climbing speed is compared with the hydraulic pressure climbing speed value preset, thus adjust the controlled quentity controlled variable of digital regulation resistance 116, thus regulating the uninterrupted of peristaltic pump 22, in order to by constant in setting value for the hydraulic pressure climbing in pressurization tank 12。The driving of peristaltic pump 22 is run by digital regulation resistance 116 and driver 117 and regulates speed flow。
Go out water control unit, go out water control unit and open or close for controlling relief valve 21, when, after the hydrostatic pressing detecting fabric, singlechip controller controls water control unit according to the time preset and starts relief valve 21, makes the water in pressurization tank 12 be discharged in catch basin 3。
Described controller 51 also couples and has buzzer 7 and/or printer 6。When buzzer 7 is for button operation and spacing touching, send prompt tone, confirm to be triggered。Fabric upper surface when printer 6 is for printing test or the hydraulic pressure climbing speed of lower surface, the meansigma methods of test pressure and test result, testDate etc.。
Embodiment six:
The method of testing of a kind of fabric water permeability resistance hydrostatic pressing test machine, comprises the following steps:
(1) power-on switch 107, manual operation operated key 109, preset the hydraulic pressure climbing speed of peristaltic pump 22 on the display unit 101 of display screen 521 correspondence；
(2) flattening of test fabric is covered on pressurization tank, and strain；
(3) pressing clamping and control the F key in switch 108, motor 17 rotates forward and starts, and clamp system 1 moves down, and is clamped on pressurization tank 12 by fabric by pressure strip 11, and makes fabric lower surface and pressurization 12 one-tenth one closed environments of tank structure；Controlling while the F key in switch 108 is activated in clamping, before namely fabric is not clamped, controller 51 starts peristaltic pump 22 and fully opens and be quickly previously added suitable quantity of water in pressurization tank 12, described in the water yield that is previously added flush with tank 12 end face that pressurizes。It is previously added water and can improve the efficiency of test, avoid air too much in pressurization tank 12 simultaneously, cause the tank 12 air pressure that pressurizes during test excessive。
(4) after fabric is clamped, peristaltic pump 22 continues to pressurize to pressurization tank 12, water in catch basin 3 is extracted into pressurization tank 12 by peristaltic pump 22, the pressure of pressure transducer 23 detection sends controller 51 to and calculates hydraulic pressure climbing speed, and compare with default hydraulic pressure climbing speed, readjust the flow in next cycle of peristaltic pump 22 till fabric face has the infiltration of three places, now close peristaltic pump 22, from display screen 521, watch the force value of pressure transducer 23 detection and record force value, or directly initiating printer 6 and select force of impression value；
(5) after peristaltic pump 22 stops 10 to 20 minutes, controller 51 starts relief valve 21 and opens, and is discharged by the water of 1/3 to 1/2 in pressurization tank 12, and closes relief valve 21；Water section in pressurization tank 12 is discharged, and prepares for the test of fabric hydrostatic pressing again, improves efficiency, reduces cost, and when avoiding clamp system to unclamp, water overflows simultaneously；
(6) pressing clamping and control the R key in switch 108, motor 17 reversion starts, and pressure strip 11 separates with pressurization tank 12, takes out fabric；
(7) turn off the power switch 107, relief valve 21 is opened, and drains the water in pressurization tank 12。
Described step (6) operation after can repeat (1st) to (6) step carry out various fabrics or a kind of fabric one or many test。Namely, after once test terminates, can again test to step (6) by step (1) with regard to same fabric another side or same class fabric, or to step (6), one or many test is carried out by step (1) with regard to different fabrics。The operation principle of the present invention: during original state, pressure strip 11 separates with pressurization tank 12, being positioned at extreme higher position, now first power-on switch 107, manual operation operated key 109 presets the hydraulic pressure climbing speed in pressurization tank 12 on the display unit 101 of display screen 521 correspondence。Placing a sealing ring 123 on the arcuate groove 122 of pressurization tank 12, and covered by test fabric tensioning spreader on pressurization tank 12, fabric need to more than the external diameter of pressurization tank 12。Pressing clamping on control panel 52 and control the F key of switch, the control circuit 110 in clamping control unit is activated, and motor 17 rotates forward, and clamp system 1 moves down, until travel switch 1 is touched, motor 17 stops operating；Now, fabric is clamped between the clamping face 11b of pressure strip 11 and pressurization tank 12 by pressure strip 11, because the setting of sealing ring 123, fabric be clamped time principal contact surfaces be pressure strip 11 clamping face 11b, sealing ring 123 towards clamping this side of face 11b and pressurization tank 12 end face, this arrange make fabric lower surface with pressurization tank 12 constitute a closed environment；While F key in clamping control switch 108 is activated, namely before fabric is not clamped, controller 51 starts peristaltic pump 22 and fully opens and be quickly previously added suitable quantity of water in pressurization tank 12, described in the water yield that is previously added flush with tank 12 end face that pressurizes or slightly below the end face of the tank 12 that pressurizes。The quick duty that peristaltic pump 22 fully opens directly is adjusted to, according to the signal that triggers of travel switch 1, the duty compared with default hydraulic pressure climbing speed by controller 51, now pressure signal collecting unit 106 is started working, pressure transducer 23 gathers the pressure in pressurization tank 12 constantly, and give controller 51 by signal amplification circuit 114 and signal filter circuit 115, controller 51 sends signal after calculating hydraulic pressure climbing speed and comparing with preset value, and the flow of inlet water of next periodic peristaltic pump 22 is adjusted by digital regulation resistance 116, water in catch basin 3 is sent in pressurization tank 12 by water inlet pipe 24 according to flow control signal by peristaltic pump 22, constantly increase pressure to fabric, such iterative cycles automatically controls the hydraulic pressure increment of pressurization tank 12, until pressurization tank 12 in hydraulic pressure increase to fabric face have three places infiltration till, close peristaltic pump 22, stop peristaltic pump 22 and send water to pressurization tank 12, now pressure transducer 23 survey hydraulic pressure be fabric water permeability resistance hydrostatic pressing value；After in the present invention, the infiltration of three places can pass through manual observation, manual-lock testing and control switch 106 makes peristaltic pump 22 stop operating, peristaltic pump 22 can also be automatically controlled by controller 51 after signal being fed back to controller 51 by image acquisition to quit work, thus realizing intelligentized control method。Test machine is once tested after terminating, and after the time presetting 10 to 20 minutes on controller 51, automatically starts relief valve 21 and opens, and the water row of 1/3 to 1/2 in pressurization tank 12 is back in catch basin 3；Press clamping and control the R key in switch 108, control circuit 110 in clamping control unit is activated, motor 17 reversion starts, pressure strip 11 rises, until travel switch 2 112 is triggered, namely limited block 15 contacts with travel switch 2 112, now pressure strip 11 returns to original state, pressure strip 11 separates with pressurization tank 12, takes out fabric, completes a hydrostatic pressing test；Certainly in this course, pressure strip 11 not necessarily returns to original state, and user can observe pressure strip 11 and depart from pressurization tank 12, and the S key controlling in switch 108 by manually pressing clamping stops rising by clamp system 1。If now also needing to test further the hydrostatic pressing of same fabric another side, or the fabric hydrostatic pressing in the different identical hydraulic pressure climbing speed of fabric or different hydraulic pressure climbing speed situation, operator can test again by above-mentioned step。After all tests terminate, pressing on and off switch 107, controller 51 automatically controls relief valve 21 and opens, and drains the water in pressurization tank 12；Because pressurization tank 12 is higher than catch basin 3, as long as so the water relief valve pressurizeed in tank can drain after opening automatically。In test operation, it is possible to manually open testing and control switch 106, signal pass to controller 51 start peristaltic pump 22 send water arrive pressurization tank 12；Or artificial testing and control of closing switchs 106 signals and passes to controller 51 and stop peristaltic pump 22 and send water to pressurization tank 12。
Content described in this specification embodiment is only enumerating of the way of realization to inventive concept; being not construed as of protection scope of the present invention is only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and in those skilled in the art according to present inventive concept it is conceivable that equivalent technologies means。
Claims (2)
1. a fabric water permeability resistance hydrostatic pressing test machine, it is characterised in that described hydrostatic pressing test machine includes framework, is arranged on the pressurization tank on framework, clamp system, pressurization/pressure relief mechanism and catch basin；Described clamp system coordinates with the end face of pressurization tank fabric is clamped；Described pressurization/pressure relief mechanism is arranged between bottom surface and the catch basin of pressurization tank, and described catch basin is positioned at the lower section of pressurization tank；Described clamp system includes pressure strip and the driving mechanism driving pressure strip to move up and down；Described pressure strip has through hole, and described through hole is positioned at the surface of pressurization tank, and described through-hole diameter is equal to the notch size of pressurization tank；Described pressure strip has downwardly convex clamping face, sets rounding between described clamping face and the hole wall of through hole；Described driving mechanism includes connecting plate, some guide posts and the actuator being fixed on framework, described some guide posts are slidably arranged in framework and upper end is connected with pressure strip, described connecting plate is connected in the middle part of some guide posts, and described actuator can drive connecting plate to drive some guide posts to move up and down；Described framework is provided with guide holder, and described actuator is installed on guide holder；Described some guide posts are slidably arranged on guide holder, and the lower end of some guide posts has limited block；Motor that described actuator includes being installed on guide holder, the screw mandrel being connected on motor output shaft by shaft coupling and the nut being installed on connecting plate, described screw mandrel and nut screw connection；Offering arcuate groove on the end face of pressurization tank, be provided with sealing ring in arcuate groove, sealing ring is O-ring seals, and when being placed on arcuate groove, sealing ring exposes pressurization tank summit portion less than 1/2nd circular arcs。
2. a kind of fabric water permeability resistance hydrostatic pressing test machine as claimed in claim 1, it is characterized in that, described pressing mechanism includes the water inlet pipe connecting catch basin and pressurization tank, the peristaltic pump being arranged on water inlet pipe, and described water inlet pipe is arranged on the bottom surface of pressurization tank；Described pressure relief mechanism includes the outlet pipe connecting catch basin and pressurization tank, the relief valve being arranged on outlet pipe, and described outlet pipe is arranged on the bottom surface of pressurization tank；The top of described catch basin is lower than the bottom surface of pressurization tank。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310356170.9A CN103398934B (en) | 2013-08-07 | 2013-08-07 | A kind of fabric water permeability resistance hydrostatic pressing test machine and control system and method for testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310356170.9A CN103398934B (en) | 2013-08-07 | 2013-08-07 | A kind of fabric water permeability resistance hydrostatic pressing test machine and control system and method for testing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103398934A CN103398934A (en) | 2013-11-20 |
| CN103398934B true CN103398934B (en) | 2016-06-22 |
Family
ID=49562602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310356170.9A Expired - Fee Related CN103398934B (en) | 2013-08-07 | 2013-08-07 | A kind of fabric water permeability resistance hydrostatic pressing test machine and control system and method for testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103398934B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155228B (en) * | 2014-08-08 | 2016-08-24 | 山东省纺织科学研究院 | Textile is drenched with rain permeameter |
| CN104390890B (en) * | 2014-11-26 | 2017-03-29 | 温州市大荣纺织仪器有限公司 | Fabric hydrostatic pressure tester |
| CN106680183A (en) * | 2016-12-21 | 2017-05-17 | 宁波中物东方光电技术有限公司 | Fabric hydrostatic pressure test system and control method thereof |
| CN107655804A (en) * | 2017-08-26 | 2018-02-02 | 上海曼斐电器贸易有限公司 | A kind of seepage velocity test fixture |
| CN108982331B (en) * | 2018-09-05 | 2020-12-25 | 湖北万里防护用品有限公司 | High accurate fabrics infiltration nature check out test set |
| CN110736592B (en) * | 2019-10-16 | 2021-02-09 | 杨绍是 | Device for automatically clamping and preventing water leakage and checking waterproof effect of waterproof material |
| CN111642833B (en) * | 2020-04-22 | 2022-09-06 | 王峰 | Medical mask production equipment and quality rapid detection method of medical mask |
| CN112067210B (en) * | 2020-09-18 | 2021-06-04 | 绍兴金阳纺织有限公司 | Cloth leakproofness detection device based on sealed protective clothing safety inspection |
| CN113588442B (en) * | 2021-09-28 | 2022-02-01 | 胜利新大新材料股份有限公司 | Hydrostatic pressure testing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2347171Y (en) * | 1997-11-28 | 1999-11-03 | 山东省纺织科学研究院 | Fabric high pressure and static water pressure performance analyzer |
| CN201107312Y (en) * | 2007-07-20 | 2008-08-27 | 王志云 | Impervious test machine |
| CN102078930A (en) * | 2009-11-27 | 2011-06-01 | 苏州苏铸成套装备制造有限公司 | Die-drawing device for core shooter |
| CN203376242U (en) * | 2013-08-07 | 2014-01-01 | 胡红钱 | Hydrostatic pressure testing machine for water permeability resistance of fabric |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8705204D0 (en) * | 1987-03-05 | 1987-04-08 | British Millerain 1922 Co Ltd | Measuring permeability of sheet material |
-
2013
- 2013-08-07 CN CN201310356170.9A patent/CN103398934B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2347171Y (en) * | 1997-11-28 | 1999-11-03 | 山东省纺织科学研究院 | Fabric high pressure and static water pressure performance analyzer |
| CN201107312Y (en) * | 2007-07-20 | 2008-08-27 | 王志云 | Impervious test machine |
| CN102078930A (en) * | 2009-11-27 | 2011-06-01 | 苏州苏铸成套装备制造有限公司 | Die-drawing device for core shooter |
| CN203376242U (en) * | 2013-08-07 | 2014-01-01 | 胡红钱 | Hydrostatic pressure testing machine for water permeability resistance of fabric |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103398934A (en) | 2013-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103398934B (en) | A kind of fabric water permeability resistance hydrostatic pressing test machine and control system and method for testing | |
| CN212621316U (en) | Waterproof coiled material waterproof detector | |
| CN212329147U (en) | Pipeline perfusion cleaning device of endoscope | |
| CN201034785Y (en) | Liquid pressure calibrator | |
| CN202126341U (en) | Pressure test device | |
| CN203376242U (en) | Hydrostatic pressure testing machine for water permeability resistance of fabric | |
| CN103852347A (en) | Sampling method and device of ultra-deep underwater depth keeping sample | |
| CN214844682U (en) | Concrete impermeability test device | |
| CN203376584U (en) | Control system of fabric impermeability hydrostatic pressure testing machine | |
| CN218601053U (en) | Thin-wall long pipe body hydrostatic test device | |
| CN206450569U (en) | Fabric hydrostatic pressing test system fabric clamp assembly | |
| CN208688747U (en) | Kettle leakage inspector | |
| CN206450570U (en) | Fabric hydrostatic pressing test system | |
| CN211144658U (en) | Screw stress application oil beating and detection integrated machine | |
| CN104180954B (en) | Method for testing pressure of horizontal automatic pressure testing machine by use of heat collector channel | |
| CN206583768U (en) | Fabric hydrostatic pressing test system tune hydraulic member | |
| CN208283194U (en) | A kind of waterproof roll water permeabillity test instrument | |
| CN106680183A (en) | Fabric hydrostatic pressure test system and control method thereof | |
| CN108827548B (en) | Water leakage detection device and detection method for kettle | |
| CN111337413A (en) | A impervious capability test equipment for reinforced concrete structure | |
| CN218331125U (en) | Textile hydrostatic pressure tester | |
| CN106404546B (en) | A kind of waterproof testing machine | |
| CN219038766U (en) | Hydraulic engineering infiltration detection device | |
| CN201539396U (en) | Water pump pressure controller with adjustable starting pressure | |
| CN108126379A (en) | A kind of method of work and filter-pressing device of the filter-pressing device of included deviation-correcting function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20180807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |