CN2072672U

CN2072672U - Vancometer

Info

Publication number: CN2072672U
Application number: CN 89208210
Authority: CN
Inventors: 李玉麟
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-06-01
Filing date: 1989-06-01
Publication date: 1991-03-06

Abstract

The utility model provides a vancometer which is used for measuring the surface gloss characteristic of articles, comprising a display instrument and a measuring probe, wherein, the measuring probe has a separated structure at an incident angle of 20DEG C., 45DEG C., 60DEG C., 75DEG C. and 85DEG C.; the display instrument can be exchanged with the measuring probe of various angles, and the gloss value can be read directly through the display instrument. The vancometer which has the advantages of small volume, light weight, high speed, accuracy and reliability can be used in the departments of the scientific research, the standard batching, the enterprise, etc.

Description

Vancometer

The utility model relates to a kind of Grossmeters that is used to measure the gloss appearance degree characteristic of metal or nonmetallic materials.

The described digital display multifunction surface of China utility model patent CN85204899U state detector, adopt incoming beam vertical or that tilt to shine tested object, this incident beam is received by optoelectronic sensor after reflection, and be converted to electric signal, carry out data presentation by Displaying Meter, video data and standard scale or curve contrast, can learn the physical quantity grade that desire is surveyed, and these standard scales or curve are just formulated according to the various physical criterion event data of this Instrument measuring, its optical parametric is not adopted international standards, and therefore accuracy and the stability of measuring is not high.Its measuring sonde incident of UGV-40 type Grossmeters and the reflected light path of Japan can be adjustable continuously in the 0-90 degree, when adjusting to greater than certain angle, because lenses touches object being measured, make between object being measured and the detecting head to produce slit part leakage of light and go out, cause the deviation of glossiness reading.

The purpose of this utility model be to provide the international ISO-2813 standard of a kind of employing and the ASTM-C346 of U.S. material association, C584, D4039,523 standards, can measure the gloss appearance characteristic of metal or nonmetallic materials with 20 °, 45 °, 60 °, 75 °, 85 ° geometric angle, stable performance, the accuracy height, the Grossmeters of favorable reproducibility.

The purpose of this utility model can reach by following measure.

Grossmeters described in the utility model adopts light reflection principle, with refractive index Nd(for example 1.567) welding glass under the state of table plane polishing, only natural light is reflected by this surface, its reflectivity is defined as 100 gloss.The optical measurement probe segment of this Grossmeters is a discrete, in the measuring sonde, the center line of incident beam should become certain angle of inclination E with the perpendicular line of tested person body surface respectively, and promptly the center line of incident beam becomes 20 ± 0.5 °, 45 ± 0.1 °, 60 ± 0.2 °, 75 ± 0.2 °, 85 ± 0.1 ° angle with the perpendicular line of tested body surface.When shining tested object by diversing lens and be received lens after reflection, incident beam receives, received by optoelectronic sensor by receiving diaphragm again, be converted to electric signal, amplify the glossiness data that operational data Displaying Meter part just can directly read tested object by the input of five-core cable line, the demonstration of data can be numeral or moving-coil display type.This amplify computing, data presentation instrument part can with 20 °, 45 °, 60 °, 75 °, 85 ° optical measurement probe interworking, but and the AC and DC power supply dual-purpose, have the energising voltage indicator.Consider that Grossmeters is when the center line of the incident beam that carries out measuring sonde becomes the measurement at 85 degree angles with the perpendicular line of tested body surface, for avoiding measuring sonde lens minute surface and tested object to be in contact with one another, in 85 ° of measuring sondes, set up a pair of catoptron.

The center line of the optoelectronic sensor of light degree of translating meter described in the utility model should overlap with the mirror surface image of the center line of incident beam, and angle E ' should equal to have accordingly the angle E of the incident beam of same tolerances between optoelectronic sensor light beam and perpendicular line.Transmit and receive lens and all can adopt the achromatic lens group, its diversing lens beam size is 30mm.In order to limit the measurement hot spot, the emission diaphragm is being set respectively on the focal plane of diversing lens and on the focal plane of receiver lens and is receiving diaphragm.

Below in conjunction with drawings and Examples Grossmeters described in the utility model is described in further detail.

Fig. 1 is the measuring sonde optical system schematic diagram of Grossmeters described in the utility model.

Fig. 2 is the measuring sonde optical system diagram of Grossmeters described in the utility model.

Fig. 3 is the figure of measuring sonde portion of Grossmeters described in the utility model.

Fig. 4 is the numeral demonstration of Grossmeters described in the utility model or the complete machine line graph of Grossmeters.

Fig. 5 is the 85 degree measuring sonde figure of portion of Grossmeters described in the utility model.

Grossmeters described in the utility model is by luminous original paper (1); color filter (2); condenser (3); emission diaphragm (4); diversing lens (5); little diaphragm (6); catoptron (7; 9); receiver lens (10); receive diaphragm (11); frosted glass (12); optoelectronic sensor (13); light cover (14); receive mirror pipe group (15); protective cover (16); transmitting mirror pipe group (17); optical measurement probe segment that little diaphragm (18) is formed and amplification computing; data presentation instrument part this two large divisions form, and its optical measurement probe segment is a discrete.This Grossmeters is to supply with the luminous original paper (1) of measuring sonde by one group of high-precision regulated power supply of output among the mu balanced circuit L by the five-core cable line when carrying out work, required light source when measuring.Send light source irradiation color filter (2) after luminous original paper (1) energising, after light passes through color filter (2), formed illuminant-C or be similar to into function correction light source (D65 light source), then by one group of condenser (3) the illuminant-C that forms by color filter (2) back or be similar to function correction light source (D65) light source) carry out optically focused and launching on the diaphragm (4), formed sheet laser, sheet laser on diversing lens (5), has formed directional light by emission diaphragm (4) optically focused on the focal plane that is arranged on diversing lens (5).The following diaphragm (6) that can increase different-diameter at diversing lens (5) limits its measurement irradiated area.The beam size of this diversing lens (5) is diameter 30mm.When the tested object of level land rayed (8), and fixed, the center line of incident beam should become 20 ± 0.5 °, 45 ± 0.1 °, 60 ± 0.2 °, 75 ± 0.2 °, 80 ± 0.1 ° angle with the perpendicular line on tested object (8) surface respectively to its incident angle according to properties of materials.The surface that the directional light that forms at diversing lens (5) shines tested object (8) by certain angle after reflection, the receiver lens (10) identical by same diversing lens (5) angle receives, converge on the reception diaphragm (11) on the focal plane that is arranged on receiver lens, be converted to electric signal by optoelectronic sensor (13) by frosted glass (12).The center line of its optoelectronic sensor (13) should overlap with the mirror surface image of incident beam center line, and angle E ' should equal to have accordingly the angle E of the incident beam of same tolerances between optoelectronic sensor (13) light beam and perpendicular line.Receive by optoelectronic sensor (13), electrical signal converted exports computing to by the five-core cable line and amplifies, amplify in the circuit of data presentation instrument part, directly demonstrate the gloss value of tested object (8) after the computing by Displaying Meter with numeral or moving-coil display type.This computing amplification, data presentation instrument part can with 20 °, 45 °, 60 °, 75 °, 85 ° optical measurement probe interworking, and be provided with and regulate RV zero point ₂Regulate RV with benchmark ₁Knob except that mainly as measuring the indication, also is provided with switch K ₃, double as energising indication and the indication of checking input direct voltage.Consider that in addition Grossmeters is when the center line of the incident beam that carries out measuring sonde becomes the measurement at 85 degree angles with the perpendicular line on tested object (8) surface, promptly for 85 degree measuring sondes, for the minute surface of avoiding diversing lens (5) and receiver lens (10) contacts with tested object (8), in its 85 ° of measuring sondes, set up a pair of catoptron (7,9), form 85 ± 0.1 incident angle and reflection angle, reduced its volume.

Grossmeters described in the utility model amplifies computing, is provided with the zeroing circuit part, computing, amplification circuits, rectification circuit part, mu balanced circuit part, AC and DC change-over circuit part in the circuit of data presentation instrument part.Optical measurement probe and amplification computing, interconnecting of data presentation instrument part by the five-core cable line, wherein two core out-put supplies use for luminous original paper (1), two cores are with the electric signal input computing of optoelectronic sensor (13) conversion, carry out data presentation in the amplifying circuit, a core is a ground wire.The Grossmeters of each model, its circuit parameter are slightly different, but its primary structure is identical.

Grossmeters described in the utility model is applicable to the mensuration of employing according to the national GB9754-88 prescribed by standard project of international standard formulation, its stable performance, accuracy height, favorable reproducibility, can measure the gloss appearance characteristic of metal or nonmetallic materials with 20 °, 45 °, 60 °, 75 °, 85 ° geometric angle, amplify computing, data presentation instrument part can with 20 °, 45 °, 60 °, 75 °, 85 ° optical measurement probe interworking, and the AC and DC power supply is dual-purpose.

Claims

1, a kind of by optical measurement probe segment and amplification computing, the Grossmeters that the data presentation instrument is partly formed, it is characterized in that the optical measurement probe segment is a discrete, the center line of incident beam becomes 20 ± 0.5 °, 45 ± 0.1 °, 60 ± 0.2 °, 75 ± 0.2 °, 85 ± 0.1 ° angle with the Surface Vertical line of tested object (8) in the optical measurement probe, amplify computing, data presentation instrument part can with 20 °, 45 °, 60 °, 75 °, 85 ° optical measurement probe segment interworking.

2, Grossmeters according to claim 1 is characterized in that emission diaphragm (4) is arranged on the focal plane of diversing lens (5) in the optical measurement probe, receives diaphragm (11) and is arranged on the focal plane of receiver lens (10).

3, Grossmeters according to claim 1 is characterized in that being provided with a pair of catoptron (7,9) in 85 ° of optical measurement probes.

4, Grossmeters according to claim 1, the center line that it is characterized in that the optoelectronic sensor (13) in the optical measurement probe should overlap with the mirror surface image of incident beam center line, and angle E ' should equal to have accordingly the angle E of the incident beam of same tolerances between optoelectronic sensor (13) light beam and perpendicular line.

5, Grossmeters according to claim 1 is characterized in that amplifying computing, but data presentation instrument part AC and DC power supply is dual-purpose, and is provided with the energising voltage indicator, and the demonstration of gloss value can be digital display type or moving-coil display type.