CN212300594U

CN212300594U - Conduction device for auxiliary measurement of color difference value of curved surface object

Info

Publication number: CN212300594U
Application number: CN202020556276.9U
Authority: CN
Inventors: 陈国良; 徐永贤; 王平
Original assignee: Pionmi Innovation Technology Guangzhou Co ltd
Current assignee: Pionmi Innovation Technology Guangzhou Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-01-05
Anticipated expiration: 2030-04-15

Abstract

The utility model provides a conduction device for assisting measurement curved surface object colour difference value, form the enclosed environment through elastic rubber ring and workstation surface, make the measured surface of testee be in under the enclosed environment, avoid the interference of various external coloured lights, improve measurement accuracy, the testee that is extruded by elastic rubber ring can well be fixed simultaneously, or place in the top of workstation, also avoid the shake that leads to because of handheld testee, improve measurement accuracy, simultaneously, the image information of testee can loop through convex lens, reflector, pentaprism arrival finder under the light source effect, obtain forward image, and handheld part and the detection port of handheld color difference appearance all are located the left end, more accord with the use habit of original handheld color difference appearance, can directly push down the elastic rubber ring through pushing down handheld part, not only accord with the use habit, the detection probe of the hand-held color difference meter cannot be damaged by being pressed in the pressing process.

Description

Conduction device for auxiliary measurement of color difference value of curved surface object

Technical Field

The utility model belongs to the technical field of the colour detects, concretely relates to a conduction device for auxiliary measurement curved surface object colour difference value.

Background

The color difference meter is a color detecting instrument which is used most widely in the market, mainly simulates the characteristic of observing colors by human eyes, measures and displays the color difference delta E and delta LAB values of a sample and a detected sample according to the LAB and LCH principles of CIE color space, is mainly used for color allocation, color difference control and color quality improvement in industry, is widely applied to the color management field of the industries such as plastic, printing, paint ink, textile, printing and dyeing clothes and the like, has small volume and convenient carrying of the handheld color difference meter in the prior art, is convenient for detecting the planar color difference of a miniature object, needs to hold an object by hand when measuring the color difference of the curved surface of the miniature object, cuts the curved surface of the object to the testing surface of a detecting probe, is not only inconvenient, but also shakes can be generated by the handheld object to influence the measuring accuracy, and only the cut part contacts the testing surface, the rest positions of the test surface are exposed in the external space, and the measured data are infected by various colored lights outside and can also influence the accuracy of measurement.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to overcome the above technical problems, the present invention provides a transmission device for auxiliary measurement of a color difference value of a curved object, comprising a main body and a lower body, wherein the main body and the lower body are provided with a cavity inside, the lower body is vertically fixed at the left end of the main body and is located below the main body, the main body and the lower body are communicated with each other, the lower body sequentially comprises a detection port and a convex lens from bottom to top, the lower end of the detection port is provided with an elastic rubber ring, the upper end of the detection port is provided with a light source, the main body sequentially comprises a reflector and a pentaprism from left to right, the upper end of the pentaprism comprises a viewfinder, the viewfinder is located directly above the pentaprism, the reflector is located directly above the lower body, and the reflector reflects and transmits image information to the pentaprism, the pentaprism finally conducts image information to an upper viewfinder; the left end and the right-hand member of the upper surface of the main engine body are all provided with a handheld portion for fixing a handheld color difference meter and a C-shaped fixing frame for fixing one end of a detection probe of the handheld color difference meter, the opening of the C-shaped fixing frame faces downwards, the lower end of the C-shaped fixing frame is fixed to the upper surface of the main engine body through a torsion screw pin, and the two sides of the C-shaped fixing frame are fixed to the two sides of the handheld color difference meter through a transverse insertion torsion screw pin.

Further, the elastic rubber ring is a polyurethane rubber ring. The polyurethane adhesive has the advantages of high elasticity, high bonding strength and high initial adhesion, can be fully contacted with the surface of a measured object during measurement or fully contacted with the surface of a workbench to form a closed cavity, avoids the interference of various external colored lights, and further improves the measurement accuracy.

Further, the angle of inclination formed by the mirror and the horizontal position is 45 °.

Furthermore, the C-shaped fixing frame is provided with a polyurethane adhesive layer, and the polyurethane adhesive layer is positioned on the contact surface of the C-shaped fixing frame and the handheld color difference meter. The polyurethane adhesive layer has high bonding strength, large initial adhesion and large friction force, and can further avoid the deviation of a handheld color difference meter and further improve the measurement accuracy.

Further, the light source is a ring-shaped LED lamp, and the outer side of the ring-shaped LED lamp is fixed on the inner side of the lower machine body. Can evenly and fully provide light for the inside of the lower machine body, and further improve the measurement accuracy.

Further, the viewfinder is an optical viewfinder. The optical viewfinder does not need a large amount of power supplies like an electronic viewfinder, is not easy to reflect light compared with the electronic viewfinder, has higher viewing accuracy, and more accurately transmits images to the detection probe of the handheld color difference meter.

Further, the lower body is detachably mounted to the main body. When the curved surface of the object to be detected is too large or too small, the detection port and the convex lens with corresponding specifications and sizes need to be replaced, so that the detection port can better wrap and fix the object to be detected, and the proper convex lens can zoom the image of the object to be detected into an image with proper size through the convex lens and inversely project the image on the reflector.

The utility model discloses the beneficial effect who produces is: the elastic rubber ring and the surface of the workbench form a closed environment, the surface to be detected of the object to be detected is in the closed environment, the interference of various external colored lights is avoided, the measurement accuracy is improved, meanwhile, the object to be detected extruded by the elastic rubber ring can be well fixed or placed above the workbench, the shaking caused by holding the object to be detected by hands is also avoided, the measurement accuracy is improved, meanwhile, the image information of the object to be detected can sequentially pass through the convex lens, the reflector and the pentaprism under the action of a light source to reach the viewfinder to obtain a forward image, and the hand-held part and the detection port of the hand-held color difference meter are both positioned at the left end, so that the hand-held color difference meter more accords with the use of the original hand-held color difference meter, the elastic rubber ring can be directly pressed by pressing the hand-held part, the use habit is not only accorded with, and the damage caused by pressing the detection probe of.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic structural diagram of the detection port of the present invention;

wherein, 1, the main body; 2. a lower machine body; 3. a probe port; 4. a convex lens; 31. an elastic rubber ring; 32. a light source; 5. a reflective mirror; 6. a pentaprism; 7. a viewfinder; 8. a C-shaped fixing frame; 81. a torsion screw pin; 82. a polyurethane adhesive layer; 9. a hand-held colorimeter; 91. a measured object; 92. detecting a probe; 93. a display screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1-4 show a transmission device for auxiliary measurement of color difference of curved object of the present invention, which comprises a main body 1 and a lower body 2, wherein the main body 1 and the lower body 2 are provided with a cavity inside, the lower body 2 is vertically fixed at the left end of the main body 1 and is located below the main body 1, the main body 1 is communicated with the cavity inside the lower body 2, the cavity inside the lower body 2 sequentially comprises a detection port 3 and a convex lens 4 from bottom to top, the lower end of the detection port 3 is provided with an elastic rubber ring 31, the upper end of the detection port 3 is provided with a light source 32, the cavity inside the main body 1 sequentially comprises a reflector 5 and a pentaprism 6 from left to right, the upper end of the pentaprism 6 comprises a viewfinder 7, the viewfinder 7 is located directly above the pentaprism 6, the reflector 5 is located directly above the lower body 2, the reflector 5 reflects and transmits image information to the pentaprism 6, the pentaprism 6 finally conducts the image information to the viewfinder 7 above; the left end and the right-hand member of the upper surface of the main machine body 1 are all provided with a handheld part for fixing the handheld color difference meter 9 and a C-shaped fixing frame 8 for fixing one end of a detection probe 92 of the handheld color difference meter 9, the opening of the C-shaped fixing frame 8 faces downwards, the lower end of the C-shaped fixing frame 8 is fixed on the upper surface of the main machine body 1 through a torsion screw pin 81, and two sides of the C-shaped fixing frame 8 are fixed on two sides of the handheld color difference meter 9 through transversely inserting the torsion screw pin 81.

The elastic rubber ring 31 is a polyurethane rubber ring. Polyurethane glue elasticity is big, and bonding strength is high, and the initial viscous force is big, can fully contact with measured object 91 surface when measuring, or with workstation surface full contact formation airtight cavity, avoids outside various coloured light to disturb, further improves measurement accuracy.

The mirror 5 forms an angle of inclination of 45 deg. with the horizontal.

The contact surface of the C-shaped fixing frame 8 and the handheld color difference meter 9 is provided with a polyurethane glue layer 82. The polyurethane adhesive layer 82 is high in bonding strength, large in initial adhesion and large in friction, so that the handheld color difference meter 9 can be further prevented from deviating, and the measurement accuracy is further improved.

The light source 32 is a ring-shaped LED lamp, and the outer side of the ring-shaped LED lamp is fixed to the inner side of the lower body 2. Can evenly and fully provide light for the inside of the lower machine body 2, and further improve the measuring accuracy.

The viewfinder 7 is an optical viewfinder 7. The optical viewfinder 7 does not need a large amount of power supply as the electronic viewfinder 7 does, and compared with the electronic viewfinder 7, the optical viewfinder is not easy to reflect light, has higher framing accuracy, and more accurately transmits the image to the detection probe 92 of the handheld color difference meter 9.

The lower body 2 is detachably mounted to the main body 1. When the curved surface of the object 91 to be measured is too large or too small, the detection port 3 and the convex lens 4 with corresponding specifications and sizes need to be replaced, so that the detection port 3 can better wrap and fix the object 91 to be measured, and the proper convex lens 4 can zoom the image of the object 91 to be measured into an image with proper size through the convex lens and inversely focus the image on the reflector 5.

The working mode is as follows: (1) placing the handheld color difference meter 9 in the opening of the C-shaped fixing frame 8, and adjusting the appropriate position, namely, the detection probe 92 of the handheld color difference meter 9 is opposite to and abutted against the viewfinder 7, two sides of the C-shaped fixing frame 8 are fixed on two sides of the handheld color difference meter 9 by transversely inserting the torsion screw pin 81, so that the handheld color difference meter 9 is fixed in the opening of the C-shaped fixing frame 8, and the lower end of the C-shaped fixing frame 8 is fixed on the upper surface of the main machine body 1 by the torsion screw pin 81; (2) the handheld color difference meter 9 is pressed downwards, the elastic rubber ring 31 is pressed to the measured object 91 or is close to a working table top on which the measured object 91 is placed, the measured surface of the measured object 91 is ensured to be positioned inside the detection port 3, the elastic rubber ring 31 and the working table top form a closed environment, the light source 32 provides light for the inside of the lower machine body 2, the measured object 91 forms an inverted image in the reflector 5 through the convex lens 4, the inverted image forms forward image information relative to the detection probe 92 of the handheld color difference meter 9 in the viewfinder 7 under the action of the pentaprism 6, accordingly, color difference detection is completed in the handheld color difference meter 9, and color difference analysis result information is obtained from the display screen 93.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "left end," "right end," and the like are used herein for descriptive purposes only.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A conduction device for assisting in measuring the color difference value of a curved object is characterized by comprising a main machine body and a lower machine body, wherein cavities are arranged in the main machine body and the lower machine body, the lower machine body is vertically fixed at the left end of the main machine body and is positioned below the main machine body, the main machine body is communicated with the cavities in the lower machine body, the cavities in the lower machine body sequentially comprise a detection port and a convex lens from bottom to top, an elastic rubber ring is arranged at the lower end of the detection port, a light source is arranged at the upper end of the detection port, the cavities in the main machine body sequentially comprise a reflector and a pentaprism from left to right, the upper end of the pentaprism comprises a viewfinder, the viewfinder is positioned right above the pentaprism, the reflector is positioned right above the lower machine body, and the reflector reflects and conducts image information to the pentaprism, the pentaprism finally conducts image information to an upper viewfinder;

the left end and the right-hand member of the upper surface of the main engine body all are equipped with the handheld portion that is used for fixed handheld color difference appearance and are used for fixing the C type mount of the test probe one end of handheld color difference appearance, the opening part of C type mount is down, the lower extreme of C type mount is fixed in through torsion screw round pin the upper surface of the main engine body, the both sides of C type mount are fixed through transversely inserting torsion screw round pin the both sides of handheld color difference appearance.

2. The conducting device for assisting in measuring color difference values of a curved surface object according to claim 1, wherein the elastic rubber ring is a polyurethane rubber ring.

3. A conducting apparatus for assisting the measurement of the value of a chromatic difference of a curved object according to claim 1, wherein the angle of inclination of the mirror with respect to the horizontal is 45 °.

4. The conducting device for assisting in measuring the color difference value of a curved surface object according to claim 1, wherein the C-shaped fixing frame is provided with a polyurethane adhesive layer, and the polyurethane adhesive layer is positioned on the contact surface of the C-shaped fixing frame and the handheld color difference meter.

5. The conduction device for assisting in measuring the color difference value of a curved surface object according to claim 1, wherein the light source is a circular ring type LED lamp, and the outer side of the circular ring type LED lamp is fixed to the inner side of the lower body.

6. The conducting device for assisting in measuring the color difference value of a curved object according to claim 1, wherein the viewfinder is an optical viewfinder.

7. The conducting device for assisting the measurement of the color difference value of a curved surface object according to claim 1, wherein the lower body is detachably mounted to the main body.