CN201242525Y

CN201242525Y - Tri-angle intelligent vancometer

Info

Publication number: CN201242525Y
Application number: CNU2007200975651U
Authority: CN
Inventors: 周励军
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-08
Filing date: 2007-11-08
Publication date: 2009-05-20
Anticipated expiration: 2017-11-08

Abstract

The utility model relates to a three-angle intelligent glossiness instrument, which comprises measuring modes of three angles, including 20 degrees, 60 degrees and 85 degrees, and requires no recalibration of the nominal value when being switched to different angle modes for measurement. The measuring instrument adopts a msp 430 singlechip as a control processing chip, and consists of a signal sampling circuit, a signal processing circuit and a display circuit, the three ports of the single-chip microcomputer; namely, the P3.5, P3.6 and P3.7, are respectively used for receiving communication commands from three buttons; the value input, calibration, and angle switching functions of the glossiness instrument are controlled by the three buttons. The measuring angles can be switched by pressing the buttons, the nominal value can be stored into the nonvolatile memory of the singlechip by pressing the value input key, so the three-angle intelligent glossiness instrument has the advantages that the intelligent storage of the calibration value is realized, the switching angle requires no frequent calibration, the errors caused by manual calibration are reduced, and the measurement is convenient.

Description

Angular intelligence vancometer

One, technical field:

This product is for measuring the instrument of some body surface characteristic index-gloss unit (Gs).As: the surface after paint, printing ink, coating, paper, plastics, the processing of stone, pottery, metal surface etc.

Two, background technology:

Initial paint class coating gloss degree detecting instrument has 20 °, 60 °, 85 ° three kinds, wherein 60 ° of vancometers are applicable to all colored paint paint films, but for the very high colored paint paint film of glossiness, then 20 ° of vancometers can give better discriminating, 85 ° of vancometers of colored paint paint film in butt joint semi-dull pool can give better discriminating, will carry three glossiness instruments so the user wants to carry out full test, both improve the acquisition expenses of equipment, also inconvenient on-the-spot the use.Therefore derived the angular vancometer afterwards, the function that is about to three kinds of vancometers comes together on the machine.

In the prior art, angular vancometer structure is: three parts that take measurement of an angle are contained on the mechanical hook-up according to standard group, the sensor output terminal of each angle is received on the input switch terminal of amplifier, light source is received the output switch terminal of corresponding light source power, a their shared amplifier and light source powers, when a certain angle was worked, the light source of this angle and sensor were switched output terminal and the amplifier input terminal that switch is received light source power respectively.

The mode of operation of domestic existing angular vancometer is: " the mechanical switch handoff angle----the respective sensor acquired signal----the signal amplification----potentiometer conditioning signal amplitude---A/D conversion shows numerical value ".The value of setting up standard is to select corresponding on-gauge plate and adjusting to expose potentiometer by the user to finish, because potentiometer needs user's manual adjustments, regulate its levels of precision at every turn and all can change, and holds easy Touch and trigger changing generation error.Especially now angular one vancometer on the market, when switching different angles with mechanical switch and measure, angle of every switching must regulator potentiometer be set the standard value under this angle.

Three, summary of the invention:

(1) goal of the invention

Change the existing angular vancometer value of setting up standard mode, make the locked storage of calibration back standard value, the loaded down with trivial details work of need not angle of every switching proofreading nominal value more again can be accomplished promptly to change promptly and be surveyed, reduce the error that manual adjustment produces, make measuring process more convenient.

(2) technical scheme

In order to reach this order ground, the technical scheme of angular intelligence vancometer is to be circuit control core with the single-chip microcomputer, by signal sample circuit, signal processing circuit, display circuit, the man-machine interface keyboard circuit is formed, it is characterized in that: three road light source power supply circuit (6) are by single-chip microcomputer (4) P4.0, P4.1, three ports of P4.2 are controlled respectively and are carried out the light source selection, three road light sensors (2) acquired signal is received msp430 single-chip microcomputer (4) P6.1 respectively after amplifying by No. three amplifiers (3) output, P6.4, three A/D input ends of P6.7 carry out signal Processing, single-chip microcomputer (4) P2.0, two ports of P2.1 connect display module, single-chip microcomputer (4) P3.5, P3.6, three ports of P3.7 are used for receiving the communication command of three buttons respectively, control the number of putting of vancometer respectively by three buttons, calibration, the indexing function.

Control measure:

Integrated circuit by single-chip microcomputer msp430 as control chip, No. three amplifiers 7650 (1), 7650 (2), 7650 (3) receive the inner A/D converter p6.1 of msp430, p6.4, p6.7 end input measurement signal, three road light source power supply circuit tps7301 (1), tps7301 (2), 3 ends of tps7301 (3) are received the p4.0 of msp430 respectively, p4.1, p4.2 also realizes carrying out switching controls by Single Chip Microcomputer (SCM) program.The man-machine interface aspect is button 1 then, button 2, and button 3 is received the p3.5 of msp430l35, p3.6, the p3.7 end, whether continue the scanning monitoring by single-chip microcomputer has key to press.Single-chip microcomputer also to sp708 reset circuit 5 pin under-voltage output monitor, provide serial data to display module 0403.Above function executing is produced by program software.

Entire circuit provides 3.3v power supply vcc by tps7333 (LDO), 7660 provide 7650 required negative supply-vcc, the input end of No. three amplifiers 7650 is received respectively on three road light sensors, the I/O mouth P3.5 of single-chip microcomputer msp430, p3.6, p3.7 connects button 1, button 2, button 3 is set to the timing scan button and whether presses signal, the I/O mouth p6.1 of msp430, p6.4, p6.7 is set to the A/D pattern and receives the output terminal of three 7650 amplifiers, the I/O mouth p4.0 of msp430, p4.1 respectively, p4.2 is set to output, receive tps7301 (1) respectively, tps7301 (2), 3 ends of tps7301 (3) switch three road light sources.I/O mouth p2.0, p2.1 are set to output, are connected to the serial input terminal of lcd module 0403 and the clock end numerical value when showing the signal measured after handling and calibration, and the REST that 7 pin of sp708 are connected to msp430 has held reset response, and 4 pin are voltage acquisition termination R1, R2.R1 other end ground connection, another termination of R2 vcc.When vcc voltage drops to the 5 port output low levels of 3.2v sp708 when following, this is connected to the I/O mouth p5.5 of msp430, and display shows under-voltage sign when collecting the p5.5 end for low-voltage.

(3) technique effect

The beneficial effects of the utility model are, make that angular vancometer calibration back standard value is locked, and each handoff angle need not to proofread again standard value, reduces the error that frequent manually adjustment brings, and makes things convenient for the user to measure.

Four, description of drawings:

Fig. 1 is the utility model hardware block diagram.

Five, embodiment:

With vancometer stored calibration value is example

Press power switch, instrument is in measurement pattern, shown in Figure 1, pushing button 2 can switch to required amplification channel and corresponding light source power supply passage, by the p4.0 of msp430, p4.1, the p4.2 mouth outputs to tps7301 (1), tps7301 (2), 3 ends of tps7301 (3) are selected three road light sources, switch to required passage.Transfer zero plate at this passage and measuring mouthful, then this passage light sensor is subjected to the light source irradiation output signal and receives the inner A/D converter of msp430 through 7650 amplifiers and handle gathering zero signal this moment, pushes button 3 this passage zero point to be set.

Under measurement pattern, push button and 1 enter the calibration pattern, this moment most significant digit " flicker ", move to low level push button under this pattern 2 " flickers " position, push button again 2 the time when being displaced to lowest order, " flicker " position moves on to most significant digit again, push button and put number by " 0～9～0 " on 3 " flicker " position, by pressing the nominal value that is equipped with of button 2 and button 3, setting pushes button behind the nominal value 1 enters measurement pattern parameter this moment and is stored in the unit of corresponding nonvolatile memory, therefore outage back parameter and null value can not lost, more than realize by scm software control.When directly measuring after the start again, need not reset.The operation that is provided with above the repetition of same different passages gets final product.Can measure behind the calibration value.

Technical indicator of the present invention:

The instrument index meets national metrological verification regulations JJG696 one-level vancometer standard, is applicable to the measurement of mirror luster degree such as coating, paint, printing ink, plastics, stone material, floor, wooden furniture surface.

1 indication range: 0.0-300.0 (gloss unit) (GS)

2 errors of indication: ± 1.2 gloss unit (GS)

3 degree of stability: 0.4 gloss unit (GS)/30 minute.

Claims

1. angular intelligence vancometer, with the single-chip microcomputer is circuit control core, by signal sample circuit, signal processing circuit, display circuit, the man-machine interface keyboard circuit is formed, it is characterized in that: three road light source power supply circuit (6) are by single-chip microcomputer (4) P4.0, P4.1, three ports of P4.2 are controlled respectively and are carried out the light source selection, three road light sensors (2) acquired signal is received msp430 single-chip microcomputer (4) P6.1 respectively after amplifying by No. three amplifiers (3) output, P6.4, three A/D input ends of P6.7 carry out signal Processing, single-chip microcomputer (4) P2.0, two ports of P2.1 connect display module, single-chip microcomputer (4) P3.5, P3.6, three ports of P3.7 are used for receiving the communication command of three buttons respectively, control the number of putting of vancometer respectively by three buttons, calibration, the indexing function.