CN205861532U - Full-automatic formaldehyde tester - Google Patents
Full-automatic formaldehyde tester Download PDFInfo
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- CN205861532U CN205861532U CN201620860194.7U CN201620860194U CN205861532U CN 205861532 U CN205861532 U CN 205861532U CN 201620860194 U CN201620860194 U CN 201620860194U CN 205861532 U CN205861532 U CN 205861532U
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- monochromator
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- sensor
- control circuit
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Abstract
This utility model relates to Textile Test equipment, discloses a kind of full-automatic formaldehyde tester, and including casing, monochromator, point source, motor, station apparatus, sensor, control circuit plate, motor, display screen are all connected with control circuit plate；Motor is arranged on monochromator side, and station apparatus is arranged on by monochromator, and point source is positioned at the light entrance of monochromator, and sensor is arranged on the light delivery outlet of station apparatus；Receiving optical signal through sensor by the monochromatic light of monochromator splitting after station apparatus, then be delivered to control circuit plate, display is on a display screen.This utility model can be automatically adjusted monochromatic grating angle by motor, thus automatically derives the monochromatic output of different wave length, and the optical signal that sensor receives can show test structure the most on a display screen, simple to operation, it is achieved automatization.
Description
Technical field
This utility model relates to Textile Test equipment, has particularly related to a kind of full-automatic formaldehyde tester.
Background technology
At present, existing formaldehyde tester can not be automatically adjusted the monochromatic light of output different wave length, it is impossible to automatically derives survey
Examination structure, practicality is poor, and can not disposable test light through the saturating color ratio of two or more different solutions, need
It is accomplished by more taking a slide after often surveying a kind of solution, during operating cost, inefficient.
Summary of the invention
This utility model is for the monochromatic shortcoming that can not be automatically adjusted different wave length in prior art, it is provided that a kind of
Full-automatic formaldehyde tester.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:
Full-automatic formaldehyde tester, the monochromator including casing, being arranged in casing, point source, for regulating monochrome
The motor of instrument output wavelength, for placing the station apparatus of cuvette, for receiving what the sensor of signal was connected with sensor
Control circuit plate, box outer surface is provided with display screen, and motor, display screen are all connected with control circuit plate；Motor is arranged on monochrome
Instrument side, station apparatus is arranged on by monochromator, and point source is positioned at the light entrance of monochromator, and sensor is arranged on station dress
The light delivery outlet put；After station apparatus, receive optical signal through sensor by the monochromatic light of monochromator splitting, then transmit
To control circuit plate, display is on a display screen.
As preferably, station apparatus includes the pedestal being fixedly installed in casing and the station being removably set in pedestal
Unit, pedestal is provided with slide rail, and station unit lower end is provided with the chute coordinated with slide rail, and pedestal is additionally provided with screw rod, screw rod with
Pedestal is rotationally connected, and is provided with motor outside pedestal, and the output shaft of motor is connected with screw rod one end, motor and control
Circuit board processed connects, and station unit lower end is fixed with the nut coordinated with screw rod.
As preferably, station unit is evenly equipped with at least two station.
As preferably, station is four, and four stations are arranged side by side.
As preferably, it is connected between light delivery outlet and the light input port of station apparatus of monochromator and has light transmission logical
Road.
As preferably, successively it is connected between sensor with control circuit plate and has amplifier and a/d converter.
This utility model, owing to have employed above technical scheme, has significant technique effect: automatically can be adjusted by motor
Saving monochromatic grating angle, thus automatically derive the monochromatic output of different wave length, the optical signal that sensor receives can
The final test structure that shows on a display screen, simple to operation, it is achieved automatization；Additionally the different station on station unit leads to
The cooperation crossing motor, screw rod and nut realizes being automatically adjusted, and can disposably measure the formaldehyde data of different solutions, improve work
Efficiency.
Accompanying drawing explanation
Fig. 1 is the structure chart of this utility model embodiment,
Fig. 2 is the structure figure of station unit.
The toponym that in accompanying drawing, each number designation is referred to is as follows: wherein 1 casing, 2 monochromators, 3 point sources,
4 motors, 5 station apparatus, 6 sensors, 7 control circuit plates, 8 light transmission channels, 9 amplifiers, 10 AD
Transducer, 11 pedestals, 12 station unit, 13 stations, 14 slide rails, 15 chutes, 16 screw rods, 17 stepping electricity
Machine, 18 nuts, 19 shaft couplings, 20 display screens.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment
Full-automatic formaldehyde tester, as shown in Figure 1 to Figure 2, the monochromator 2 that including casing 1, is arranged in casing 1, sets
Put the point source 3 at monochromator 2 light entrance, for regulating the motor 4 of monochromator 2 output wavelength, for placing cuvette
Station apparatus 5, for receiving the control circuit plate 7 that the sensor 6 of signal is connected with sensor 6, casing 1 outer surface is provided with
Display screen 20, motor 4, display screen 20 are all connected with control circuit plate 7.Filled through station by the monochromatic light of monochromator 2 light splitting
Receiving optical signal through sensor 6 after putting 5, then be delivered to control circuit plate 7, display is on display screen 20.
Control circuit plate 7 controls motor 4 and works, and motor 4 rotates through the angle of the grating in regulation monochromator 2 and realizes
The monochromatic light output of different wave length.
It is connected between light delivery outlet and the light input port of station apparatus 5 of monochromator 2 and has light transmission channel 8, rise
To leaded light effect.
Motor 4 is arranged on monochromator 2 side, and it is other that station apparatus 5 is arranged on monochromator 2, and sensor 6 is arranged on station apparatus
The light delivery outlet of 5, is successively connected between sensor 6 with control circuit plate 7 and has amplifier 9 and a/d converter 10, and sensor 6 will
The optical signal received is converted to the signal of telecommunication, then after being amplified by amplifier 9, is converted to digital signal transmission through a/d converter 10
To control circuit plate 7, carry out after being processed by control circuit plate 7 showing result on display screen 20.
Station apparatus 5 includes the pedestal 11 being fixedly installed in casing 1 and the station list being removably set in pedestal 11
Unit 12, pedestal 11 is provided with two one slide rails 14 along its length, and two one slide rails 14 are positioned at station unit 12 lower end, station unit
12 lower ends are provided with the chute 15 coordinated with slide rail 14, and pedestal 11 is additionally provided with screw rod 16, screw rod 16 and pedestal 11 along its length
Being rotationally connected, be provided with motor 17 outside pedestal 11, the output shaft of motor 17 is by shaft coupling 19 and screw rod 16 one end
Connecting, motor 17 is connected with control circuit plate 7, and station unit 12 lower end is fixed with the nut 18 coordinated with screw rod 16.
Motor 17 rotates and drives screw rod 16 to rotate, thus drives station unit 12 to move.It is evenly equipped with at least two on station unit 12
Individual station 13, in the present embodiment, station 13 is four, and four stations 13 are arranged side by side, and drive station by motor 17
13 so that each station 13 can successively move to the position alignd with the light input port of station apparatus 5, thus realization can be once
Property the formaldehyde of four different products is tested.Light input port and the light delivery outlet of station apparatus 5 are separately positioned on pedestal 11
Two ends.In the present embodiment, control circuit plate 7 is single-chip microcomputer.
Before test, the fabric sample through accurate weighing is placed in 40 DEG C of water-baths extraction certain time, extracts from fabric
Take or by steam moisture absorption by formaldehyde absorption dissolve in water, then formalin acetylacetone,2,4-pentanedione is developed the color (yellow), and puts into
In cuvette.The absorption selective to visible ray of this yellow compound, thus use and standard solution colorimetric method analytical concentration.
The content of formaldehyde in sample can be measured on textile formaldehyde analyzer.
Gas lamp used in this application is point source 3, it is provided that the light of full spectrum, and light enters monochromator 2 by light pitch
From variation change light by wave band, form the output of different wavelength light.Motor 4 rotates the monochromatic light forming different wave length
Output, arrives the cuvette on station 13, has 4 different stations 13, can be regulated the position of station 13 by motor 4, reach
The purpose of test different station 13.Monochromatic light is different by the light-absorbing intensity of liquid different colours in cuvette, inhales
Light after receipts is through the reception of sensor 6, and is converted to the signal of telecommunication, is amplified into a/d converter 10 by amplifier 9, conversion
For digital signal, enter single-chip microcomputer, and transfer data to display screen 20.Single-chip microcomputer record data draw signal curve, obtain
The light-absorbing intensity of liquid after sample colour developing.In like manner test in the case of not placing liquid sample its completely through
The intensity of the light in the case of light, records data.
By under identical conditions successively test light have through liquid and the data ratio that do not obtains through liquid
Draw the transmittance of liquid sample.The absorbance of liquid can be calculated by transmittance.If liquid is the formaldehyde of standard
Content solution just can demarcate this instrument, and in the case of strength of fluid is equal, they colour developing absorbances are the same.And pass through
Testing standard solution calibrates straight line under concentration determination, and making abscissa is x, and vertical coordinate is y, the phase of straight line and abscissa
Intersection point is (a, 0), and the slope of this straight line is b, and obtaining formula is y=bx+a, i.e. can confirm that by calculating known 2 points of straight line
A, b value of this straight line, reaches the demarcation effect to instrument.
The application calculates fixing 9 point that uses of standard curve and tests, and uses standard solution volume concentration respectively
It is (0,15,30,75,150,225,300,450,600) mg/kg.By standard solution, diluent liquid concentration, configure display
Solution.After completing, the absorbance of 9 concentration of test installed by instrument, poor divided by absorbance by concentration difference, calculates 8 absorbances
With the slope of concentration, it is averaging method by weighting and calculates G-bar b value, calculating a value, so calculating in dimension computer
Carry out, solve and be previously calculated and to calculate by the way of manual trace.
In a word, the foregoing is only preferred embodiment of the present utility model, all according to this utility model claim institute
Impartial change and the modification made, all should belong to the covering scope of this utility model patent.
Claims (6)
1. full-automatic formaldehyde tester, the point source (3) including casing (1), being arranged in casing (1), is used for placing colorimetric
The station apparatus (5) of ware, for receiving the control circuit plate (7) that the sensor (6) of signal is connected, casing with sensor (6)
(1) outer surface is provided with display screen (20), it is characterised in that: also include the monochromator (2) being arranged in casing (1), be used for adjusting
The motor (4) of joint monochromator (2) output wavelength, motor (4), display screen (20) are all connected with control circuit plate (7)；Motor (4)
Being arranged on monochromator (2) side, it is other that station apparatus (5) is arranged on monochromator (2), and point source (3) is positioned at the light of monochromator (2)
Porch, sensor (6) is arranged on the light delivery outlet of station apparatus (5)；By the monochromatic light of monochromator (2) light splitting through work
Position device (5) receives optical signal by sensor (6), then is delivered to control circuit plate (7), and display is on display screen (20).
Full-automatic formaldehyde tester the most according to claim 1, it is characterised in that: station apparatus (5) includes being fixedly installed
Pedestal (11) in casing (1) and the station unit (12) being removably set in pedestal (11), pedestal (11) is provided with cunning
Rail (14), station unit (12) lower end is provided with the chute (15) coordinated with slide rail (14), pedestal (11) is additionally provided with screw rod (16),
Screw rod (16) is rotationally connected with pedestal (11), and pedestal (11) outside is provided with motor (17), the output shaft of motor (17)
Being connected with screw rod (16) one end, motor (17) is connected with control circuit plate (7), station unit (12) lower end be fixed with
The nut (18) that screw rod (16) coordinates.
Full-automatic formaldehyde tester the most according to claim 2, it is characterised in that: station unit is evenly equipped with at least on (12)
Two stations (13).
Full-automatic formaldehyde tester the most according to claim 3, it is characterised in that: station (13) is four, four stations
(13) it is arranged side by side.
Full-automatic formaldehyde tester the most according to claim 1, it is characterised in that: the light delivery outlet of monochromator (2) with
Connect between the light input port of station apparatus (5) and have light transmission channel (8).
Full-automatic formaldehyde tester the most according to claim 1, it is characterised in that: sensor (6) and control circuit plate (7)
Between successively connect and have amplifier (9) and a/d converter (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860194.7U CN205861532U (en) | 2016-08-10 | 2016-08-10 | Full-automatic formaldehyde tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860194.7U CN205861532U (en) | 2016-08-10 | 2016-08-10 | Full-automatic formaldehyde tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861532U true CN205861532U (en) | 2017-01-04 |
Family
ID=57658385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620860194.7U Active CN205861532U (en) | 2016-08-10 | 2016-08-10 | Full-automatic formaldehyde tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205861532U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340260A (en) * | 2017-03-29 | 2017-11-10 | 宁波方太厨具有限公司 | Organic matter detection sensor and its detection method |
| CN107340253A (en) * | 2017-03-29 | 2017-11-10 | 宁波方太厨具有限公司 | Hand-held organic matter detection terminal and its detection method |
| CN107340251A (en) * | 2017-03-29 | 2017-11-10 | 宁波方太厨具有限公司 | A kind of water quality on-line detecting system |
-
2016
- 2016-08-10 CN CN201620860194.7U patent/CN205861532U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340260A (en) * | 2017-03-29 | 2017-11-10 | 宁波方太厨具有限公司 | Organic matter detection sensor and its detection method |
| CN107340253A (en) * | 2017-03-29 | 2017-11-10 | 宁波方太厨具有限公司 | Hand-held organic matter detection terminal and its detection method |
| CN107340251A (en) * | 2017-03-29 | 2017-11-10 | 宁波方太厨具有限公司 | A kind of water quality on-line detecting system |
| CN107340253B (en) * | 2017-03-29 | 2024-01-16 | 宁波方太厨具有限公司 | Handheld organic matter detection terminal and detection method thereof |
| CN107340260B (en) * | 2017-03-29 | 2024-01-16 | 宁波方太厨具有限公司 | Organic matter detection sensor and detection method thereof |
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