CN213209908U - Non-woven fabric tester - Google Patents
Non-woven fabric tester Download PDFInfo
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- CN213209908U CN213209908U CN202022438683.2U CN202022438683U CN213209908U CN 213209908 U CN213209908 U CN 213209908U CN 202022438683 U CN202022438683 U CN 202022438683U CN 213209908 U CN213209908 U CN 213209908U
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Abstract
The utility model relates to a non-woven fabric tester, which comprises a testing arm, a base, a pressure spring and a controller, wherein the rear end part of the testing arm is hinged at the rear end part of the base, one end of the pressure spring is connected to the middle part of the testing arm, and the other end of the pressure spring is connected to the middle part of the base; a first groove is formed in the front end of the base, and a first illumination intensity sensor is arranged in the first groove; the front end part of the test arm is provided with a second groove, and when the front end part of the test arm is closed to the front end part of the base by the pressure spring under the action of external force, the second groove corresponds to the first groove; an LED lamp and a second illumination intensity sensor are arranged in the second groove; the controller comprises a shell arranged on the test arm, a display screen and a switch key are arranged on the surface of the shell, and a lithium battery, a processor and an LED drive circuit module are arranged in the shell; the circuit modules are connected in a matching way. This non-woven fabrics tester can scientific detection non-woven fabrics's luminousness.
Description
Technical Field
The utility model relates to a non-woven fabrics tester.
Background
The non-woven fabric has no warp and weft, is very convenient to cut and sew, is light in weight and easy to shape, and has the characteristics of short process flow, high production rate, high yield, low cost, wide application, multiple raw material sources and the like. Is suitable for manufacturing clothing lining cloth, medical and sanitary disposable operating gowns, bed sheets and the like.
The light transmittance of the nonwoven fabric is one of the criteria for evaluating the performance of the nonwoven fabric, and for example, in the manufacture of a clothing interlining, the lower the light transmittance of the nonwoven fabric, the better the sunscreen effect, and the better the privacy. In the actual purchasing process of the non-woven fabric, the non-woven fabrics produced by different manufacturers have different light transmittance due to different material components and thicknesses.
At present, generally, one side of the non-woven fabric is irradiated through light, then the purchasing personnel observe the condition that light permeates the non-woven fabric to judge the printing opacity effect of non-woven fabric, have very big artificial subjective impression to because ambient lighting's difference, also can influence people's subjective impression, do not have scientific test equipment in the market at present.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a non-woven fabrics tester can the scientific luminousness that detects the non-woven fabrics.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a non-woven fabric tester comprises a testing arm, a base, a pressure spring and a controller, wherein the rear end part of the testing arm is hinged to the rear end part of the base, one end of the pressure spring is connected to the middle part of the testing arm, and the other end of the pressure spring is connected to the middle part of the base; when the pressure spring is not subjected to external force, the front end part of the pressure spring supporting the testing arm is separated from the front end part of the base;
a first groove is formed in the front end of the base, and a first illumination intensity sensor is arranged in the first groove;
the front end part of the test arm is provided with a second groove, and when the front end part of the test arm is closed to the front end part of the base by the external force of the pressure spring, the second groove corresponds to the first groove; an LED lamp and a second illumination intensity sensor are arranged in the second groove;
the controller comprises a shell arranged on the test arm, a display screen and a switch key are arranged on the surface of the shell, and a lithium battery, a processor and an LED drive circuit module are arranged in the shell; the processor and the LED driving circuit module are respectively electrically connected with the lithium battery, the LED driving circuit module is electrically connected with the processor, the LED lamp is electrically connected with the LED driving circuit module, and the first illumination intensity sensor, the second illumination intensity sensor, the display screen and the switch key are respectively electrically connected with the processor.
Further, a light touch switch is arranged at the front end part of the testing arm, and when the front end part of the testing arm leans against the front end part of the base, the base touches the light touch switch; the tact switch is electrically connected with the processor.
By adopting the technical scheme, the beneficial effects of the utility model are that: when the non-woven fabric tester is used, the switch key of the controller is pressed, and then the non-woven fabric to be detected is placed between the testing arm and the base. Then the testing arm is pressed down to enable the front end part of the testing arm to be close to the front end part of the base, the base touches the tact switch to be conducted, the processor controls the LED lamp to be turned on at the moment, and meanwhile, the second illumination intensity sensor detects illumination intensity I in the second groove0The first illumination intensity sensor detects illumination intensity I in the first groove1Then the intensity of the illumination I absorbed by the non-woven fabric to be detected can be calculatedt=I0-I1The light transmittance A ═ lg (I) of the nonwoven fabric to be detected can be calculated according to the formula of the light transmittance0÷It) And displayed on the display screen. This non-woven fabrics tester can scientific detection non-woven fabrics's luminousness.
Drawings
FIG. 1 is a schematic view of the embodiment of the present invention showing the front end of the test arm separated from the front end of the base;
FIG. 2 is a schematic diagram of a state in which the front end of the test arm abuts against the front end of the base according to an embodiment of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a schematic structural diagram of a controller according to an embodiment of the present invention;
fig. 5 is a circuit connection block diagram of an embodiment of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 5, the present embodiment provides a non-woven fabric tester, which includes a testing arm 1, a base 2, a pressure spring 3, a controller 4, an LED lamp 5, a first illumination intensity sensor 6, a second illumination intensity sensor 7, and a tact switch 8.
The rear end of the test arm 1 is hinged to the rear end of the base 2 (the hinge technology is conventional in the art and will not be described in detail here). One end of the pressure spring 3 is connected to the middle part of the test arm 1, and the other end of the pressure spring 3 is connected to the middle part of the base 2; when the pressure spring 3 is free from external force, the pressure spring 3 supports the front end part of the test arm 1 to be separated from the front end part of the base 2, as shown in fig. 1.
The front end of the base 21 is provided with a first groove 20, and the first illumination intensity sensor 6 is arranged in the first groove 20. The front end of the testing arm 1 is provided with a second groove 10, and when the front end of the testing arm 1 is pressed against the front end of the base 2 by the pressure spring 3 under the action of external force, the second groove 10 corresponds to the first groove 20, as shown in fig. 2 and 3. LED lamp 5 and second illumination intensity sensor 7 set up in second recess 10, and it should be noted that, should not shelter from LED lamp 5 and shine and wait to detect non-woven fabrics 100 when second illumination intensity sensor 7 installs.
The controller 4 comprises a shell 40 arranged on the test arm 1, a display screen 41 and a switch key 42 are arranged on the surface of the shell 40, and a processor 43, a lithium battery 44 and an LED drive circuit module 45 are arranged in the shell 40. In this embodiment, preferably, the processor is an AT89C51 series single chip microcomputer. All the electronic components and the circuit module are existing equipment.
The processor 43 and the LED driving circuit module 45 are electrically connected to the lithium battery 44, the LED driving circuit module 45 is electrically connected to the processor 43, the LED lamp 5 is electrically connected to the LED driving circuit module 45, the first illumination intensity sensor 6, the second illumination intensity sensor 7, the tact switch 8, the display screen 41 and the switch key 42 are electrically connected to the processor 43 through wires (not shown in the figure, in the field, the wires are laid by conventional technical means, and the non-woven fabric tester is not affected by the wiring scheme of the wires, which is not described in detail herein).
When the non-woven fabric tester is used, the switch key 42 of the controller 4 is pressed, and then the non-woven fabric 100 to be tested is placed between the testing arm 1 and the base 2. Then the testing arm 1 is pressed down to enable the front end part of the testing arm 1 and the front end part of the base 2 to be closed, the tact switch 8 is switched on, at the moment, the processor 43 controls the LED lamp to be turned on 5, and meanwhile, the second illumination intensity sensor 7 detects illumination intensity I in the second groove 100The first light intensity sensor 6 detects the light intensity I in the first groove 201Then the intensity of the illumination I absorbed by the non-woven fabric to be detected can be calculatedt=I0-I1The light transmittance a ═ lg (I) of the nonwoven fabric to be detected can be calculated from the formula of the light transmittance (the formula of the light transmittance is a known technique)0÷It) And displayed on the display screen 41. The controller 4 may be powered off by the switch key 42. If no operation is performed within a certain time (the tact switch 8 is in the off state), the controller 4 is automatically turned off. This non-woven fabrics tester can scientific detection non-woven fabrics's luminousness.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. A non-woven fabrics tester which characterized in that: the testing device comprises a testing arm, a base, a pressure spring and a controller, wherein the rear end part of the testing arm is hinged to the rear end part of the base, one end of the pressure spring is connected to the middle part of the testing arm, and the other end of the pressure spring is connected to the middle part of the base; when the pressure spring is not subjected to external force, the front end part of the pressure spring supporting the testing arm is separated from the front end part of the base;
a first groove is formed in the front end of the base, and a first illumination intensity sensor is arranged in the first groove;
the front end part of the test arm is provided with a second groove, and when the front end part of the test arm is closed to the front end part of the base by the external force of the pressure spring, the second groove corresponds to the first groove; an LED lamp and a second illumination intensity sensor are arranged in the second groove;
the controller comprises a shell arranged on the test arm, a display screen and a switch key are arranged on the surface of the shell, and a lithium battery, a processor and an LED drive circuit module are arranged in the shell; the processor and the LED driving circuit module are respectively electrically connected with the lithium battery, the LED driving circuit module is electrically connected with the processor, the LED lamp is electrically connected with the LED driving circuit module, and the first illumination intensity sensor, the second illumination intensity sensor, the display screen and the switch key are respectively electrically connected with the processor.
2. The non-woven fabric tester according to claim 1, characterized in that: the front end part of the test arm is provided with a light touch switch, and when the front end part of the test arm leans against the front end part of the base, the base touches the light touch switch; the tact switch is electrically connected with the processor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022438683.2U CN213209908U (en) | 2020-10-28 | 2020-10-28 | Non-woven fabric tester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022438683.2U CN213209908U (en) | 2020-10-28 | 2020-10-28 | Non-woven fabric tester |
Publications (1)
Publication Number | Publication Date |
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CN213209908U true CN213209908U (en) | 2021-05-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202022438683.2U Active CN213209908U (en) | 2020-10-28 | 2020-10-28 | Non-woven fabric tester |
Country Status (1)
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CN (1) | CN213209908U (en) |
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2020
- 2020-10-28 CN CN202022438683.2U patent/CN213209908U/en active Active
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