CN208984566U - A kind of air-flow method rate of drying tester - Google Patents

Abstract

The utility model discloses a kind of air-flow method rate of drying testers, including rack, rack inner cavity upper end is fixedly installed with infrared thermometry device and automatic liquid-dropping mechanism, the infrared thermometry device includes infrared probe and connecting rod, the connection visits outside and has been connected through a screw thread activity pressure rack, the frame upper end Middle face is fixedly installed with bellows, the bellows upper end is fixedly installed with sample platen, sample platen upper surface successively opens the first card slot and the second card slot from inside to outside, pressing sleeve is connected in first card slot, pressing plate is connected in second card slot, water droplet detection device is fixedly installed in the middle part of the rack inner cavity, the rack lower front surface is equipped with touch screen.The air-flow method rate of drying tester to calculate evaporation rate and the time of fabric, and can be equipped with automatic water dripping apparatus, good test effect by measurement specimen surface temperature change.

Description

A kind of air-flow method rate of drying tester

Technical field

The utility model relates to test machine technical field, specially a kind of air-flow method rate of drying tester.

Background technique

Air-flow method is a kind of test method of the corresponding rate of drying in maximum water absorption for test fabric.Row The testing standard referred in industry is U.S. AATCC200 standard.Party's law regulation secures the fabric to the wind of a specified size The outlet of case, the bellows are generated the air-flow of 2.5 meter per seconds by fan in the opening of clamping sample, and air velocity is by a hot line The monitoring of formula air velocity transducer.Meanwhile it being monitored with a non-contact infrared temperature sensor in tested sample test process The variation of temperature.Before rate test is dried, it is necessary to by attempting the different amounts of dripping, find the maximum water suction of the fabric Measure Vm.Existing test method is to start fabric on one side, fabric and starts timing under covering rapidly after hot plate center is dripped.With Each second kind of one temperature recorder records a temperature data.Testing time is measured with stopwatch.Process of dripping is then with hand-held drop Pipe executes.There are errors for existing manual testing's method, while testing efficiency is lower, in one group of test progress, staff Frequent operation is needed, efficiency is lower.Moreover, if fabric fixation is unstable, it is also necessary to which repetition is fixed, time-consuming and laborious.Cause This, it is proposed that a kind of air-flow method rate of drying tester.

Utility model content

The purpose of this utility model is to provide a kind of air-flow method rate of drying testers, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of air-flow method rate of drying tester, packet Including rack, rack inner cavity upper end are fixedly installed with infrared thermometry device and automatic liquid-dropping mechanism, the infrared thermometry Device includes infrared probe and connecting rod, has been connected through a screw thread activity pressure rack, the frame upper end on the outside of the connecting rod Middle face is fixedly installed with bellows, and the bellows upper end is fixedly installed with sample platen, and sample platen upper surface is from introversion The first card slot and the second card slot are successively opened outside, pressing sleeve, activity in second card slot are connected in first card slot It is connected with pressing plate, water droplet detection device is fixedly installed in the middle part of the rack inner cavity, the rack lower front surface, which is equipped with, to be touched Screen.

Preferably, the connecting rod lower end is fixedly installed with infrared probe, and the connecting rod and sample platen mutually hang down Directly, the infrared probe is set in the middle part of sample platen.

Preferably, the pressing sleeve lower end is cased with sample, and the sample is movably connected in the second card slot slot, the pressing sleeve with Anti-abrasion pad is equipped between pressing plate.

Preferably, air velocity transducer is equipped on the outside of the sample platen, the air velocity transducer is set to the center of sample, and Air velocity transducer and sample upper surface distance are 0.5~1mm.

Preferably, activity pressure rack lower end is equipped with the card slot to match with pressing plate lateral surface, the pressing plate activity grafting In in card slot.

Compared with prior art, the utility model has the beneficial effects that the air-flow method rate of drying tester, passes through setting Infrared thermometry device, automatic liquid-dropping mechanism, air velocity transducer, sample platen, water droplet detection device, touch screen and bellows knot Structure can be measured with infrared probe in certain ring using the maximum water absorption of blotting paper or water droplet detection means measure fabric Under the conditions of border (temperature and humidity, wind speed), the variation of specimen surface temperature, to characterize the time required for liquid evaporating completely, to count The evaporation rate and evaporation time for calculating fabric, can be dripped automatically by water droplet automatic liquid-dropping mechanism, reach raising drying The effect of rate test instrument working efficiency；Pass through setting activity pressure rack, the first card slot, pressing sleeve, the second card slot and pressure plate structure, energy Enough stablize to sample is fixed, and is effectively prevent in test process, and there is a phenomenon where relaxations for sample holder, is reached raising rate of drying and is surveyed Try the effect of instrument test effect.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the side view broken section structural schematic diagram of the utility model；

Fig. 3 is the broken section structural schematic diagram of the utility model.

In figure: 1 rack, 2 infrared thermometry devices, 3 connecting rods, 4 infrared probes, 5 automatic liquid-dropping mechanisms, 6 Bellows, 7 samples, 8 sample platens, 9 air velocity transducers, 10 water droplet detection devices, 11 touch screens, 12 activity pressure racks, 13 First card slot, 14 pressing sleeves, 15 second card slots, 16 pressing plates, 17 anti-abrasion pads.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of air-flow method rate of drying tester, including Rack 1, the 1 inner cavity upper end of rack are fixedly installed with infrared thermometry device 2 and automatic liquid-dropping mechanism 5, and the infrared ray is surveyed Warm device 2 includes infrared probe 4 and connecting rod 3, and the infrared thermometry device temperature control is at 15-50 DEG C ± 0.1 DEG C.Institute It states 3 lower end of connecting rod and is fixedly installed with infrared probe 4, the connecting rod 3 is mutually perpendicular to sample platen 8, the infrared ray Probe 4 is set to 8 middle part of sample platen.The 4 model LHI778 (HAIMAN) of infrared probe, the automatic liquid-dropping mechanism 5 It is interior that a certain amount of deionized water can be added, the maximum water absorption of fabric is detected by blotting paper or water droplet detection device.It is described It has been connected through a screw thread activity pressure rack 12 on the outside of connecting rod 3, has been fixedly installed with bellows 6, the wind in the middle part of 1 upper surface of rack 6 specification of case is bellows specification: 165mm × 165mm × 27.5mm ± 1mm, and 6 opening diameter of bellows are as follows: 130.0mm ± 1mm, wind 6 wind speed of case are as follows: 0.2m/s -4.5m/s ± 0.1m/s.6 upper end of bellows is fixedly installed with sample platen 8, the sample platen 8 upper surfaces successively open the first card slot 13 and the second card slot 15 from inside to outside, are connected with pressing sleeve in first card slot 13 14,14 lower end of pressing sleeve is cased with sample 7, and the sample 7 is movably connected in 15 slot of the second card slot, the pressing sleeve 14 and pressing plate Anti-abrasion pad 17 is equipped between 16.By the way that sample 7 to be wrapped on pressing sleeve 14, pressing sleeve 14 is stuck in 13 slot of the first card slot downwards, Pressing plate 16 is stuck in 15 slot of the second card slot again, while sample 7 being pressed in 15 slot of the second card slot downwards, the sample 7 is to knit Object.Air velocity transducer 9 is equipped on the outside of the sample platen 8, the air velocity transducer 9 is set to the center of sample 7, and wind speed senses Device 9 and 7 upper surface of sample distance are 0.5~1mm.The 9 model GFW15 (prosperity) of air velocity transducer, second card slot Pressing plate 16 is connected in 15,12 lower end of activity pressure rack is equipped with the card slot to match with 16 lateral surface of pressing plate, the pressure Plate 16 is actively plugged in card slot.12 inner cavity of activity pressure rack has been connected through a screw thread in connecting rod 3, by connecting rod 3 It moves up and down, can sample 7 be fixed and be removed.Pass through setting activity pressure rack 12, the first card slot 13, pressing sleeve 14, the second card slot 15 and 16 structure of pressing plate, sample 7 can be stablized and fix, effectively prevent in test process, showing for relaxation occurs for the clamping of sample 7 As achieving the effect that improve rate of drying tester test effect.Water droplet detection dress is fixedly installed in the middle part of 1 inner cavity of rack 10 are set, 1 lower front surface of rack is equipped with touch screen 11.The air-flow method rate of drying tester is surveyed by setting infrared ray Warm device 2, automatic liquid-dropping mechanism 5, air velocity transducer 9, sample platen 8,6 knot of water droplet detection device 10, touch screen 11 and bellows Structure can be measured with infrared probe 4 in certain ring using the maximum water absorption of blotting paper or water droplet detection means measure fabric Under the conditions of border (temperature and humidity, wind speed), the variation of specimen surface temperature, to characterize the time required for liquid evaporating completely, to count The evaporation rate and evaporation time for calculating fabric, can be dripped automatically by water droplet automatic liquid-dropping mechanism 5, reach raising drying The effect of rate test instrument working efficiency.

Working principle: when testing fabric maximum water absorption, sample is fastened on experimental bench with embroidery hoop, is beaten in fan It cannot be sagging before opening.Dripped with TM79 in specimen surface, judge absorption rate whether < 30s, be not otherwise suitable for this experiment. It opens fan and sample is dried up into 5min.Fan is closed, blotting paper is put.The device of water droplet can also can be detected with other.Open wind It fans, test sample surface temperature is samples dried temperature after 5min.In the case where contacting sample, with 0.2 ± 0.0016mL/ The speed of s is dripped 0.1 ± 0.003mL tertiary effluent.If the device that blotting paper or detection are dripped detects water droplet, sample is blown It is dry, discharge reduction 10% is then continued above step, otherwise sample is dried up, increased 0.1mL and test again, until sample In the critical value for detecting that water droplet is passed through and is not passed through, i.e. maximum water holding capacity.Fabric drying rate and drying time are tested When, infrared temperature probe is placed on sample center, at 1cm high from sample.It opens fan and sample is dried up into 5min.Take filter paper away (if there is).Sample is air-dried into drying temperature.

Air velocity transducer is placed in the center of sample, close to specimen surface, the wind speed of sample is passed through in test.It selects respectively most The water of big water absorption 10%, 25%, 50%, 75% is dripped in specimen surface, the temperature of specimen surface of record per second, directly Reach drying temperature to temperature.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of air-flow method rate of drying tester, including rack (1), it is characterised in that: rack (1) the inner cavity upper end is fixed Infrared thermometry device (2) and automatic liquid-dropping mechanism (5) are installed, the infrared thermometry device (2) includes infrared probe (4) it has been connected through a screw thread activity pressure rack (12) with connecting rod (3), connecting rod (3) outside, rack (1) upper surface Middle part is fixedly installed with bellows (6), and bellows (6) upper end is fixedly installed with sample platen (8), on the sample platen (8) End face successively opens the first card slot (13) and the second card slot (15) from inside to outside, is connected with pressure in first card slot (13) It covers (14), is connected with pressing plate (16) in second card slot (15), be fixedly installed with water droplet in the middle part of rack (1) inner cavity Detection device (10), rack (1) lower front surface are equipped with touch screen (11).

2. a kind of air-flow method rate of drying tester according to claim 1, it is characterised in that: under the connecting rod (3) End is fixedly installed with infrared probe (4), and the connecting rod (3) is mutually perpendicular to sample platen (8), the infrared probe (4) it is set in the middle part of sample platen (8).

3. a kind of air-flow method rate of drying tester according to claim 1, it is characterised in that: pressing sleeve (14) lower end It is cased with sample (7), the sample (7) is movably connected in the second card slot (15) slot, between the pressing sleeve (14) and pressing plate (16) Equipped with anti-abrasion pad (17).

4. a kind of air-flow method rate of drying tester according to claim 1, it is characterised in that: the sample platen (8) Outside is equipped with air velocity transducer (9), and the air velocity transducer (9) is set to the center of sample (7), and air velocity transducer (9) and examination Sample (7) upper surface distance is 0.5~1mm.

5. a kind of air-flow method rate of drying tester according to claim 1, it is characterised in that: the activity pressure rack (12) Lower end is equipped with the card slot to match with pressing plate (16) lateral surface, and the pressing plate (16) is actively plugged in card slot.