CN201935882U - Laser type asphalt softening point tester - Google Patents
Laser type asphalt softening point tester Download PDFInfo
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- CN201935882U CN201935882U CN2011200005492U CN201120000549U CN201935882U CN 201935882 U CN201935882 U CN 201935882U CN 2011200005492 U CN2011200005492 U CN 2011200005492U CN 201120000549 U CN201120000549 U CN 201120000549U CN 201935882 U CN201935882 U CN 201935882U
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- circuit
- softening point
- laser
- type asphalt
- asphalt softening
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Abstract
The utility model discloses a laser type asphalt softening point tester. The tester comprises a heat-resistant glass beaker, a test piece bracket, a host box, a laser, an electric heating tube, a temperature sensor, a stirrer and an organic glass plate, wherein the heat-resistant glass beaker is arranged above the host box; the test piece bracket is arranged in the heat-resistant glass beaker; the organic glass plate is buckled on the rim of the heat-resistant glass beaker; the test piece bracket is formed by supporting an upper metal plate and a lower metal plate through two metal rods; the upper metal plate is provided with two test holes and is parallel to the lower metal plate; an MC9RS08KA microcontroller, a photo-induction circuit, a motor driving circuit, a heating circuit and a light emitting diode (LED) digital display circuit are arranged in the host box; the photo-induction circuit is connected with a buzzer; and the front face of the host box is provided with an LED digital display screen, a power switch and a start/stop button. The tester has the advantages of high automatic temperature rise accuracy, reliable temperature measurement and low cost.
Description
Technical field
The utility model relates to a kind of laser type asphalt softening point tester, specifically be applied to the petroleum bitumen detection range, the mensuration of petroleum bitumen common counter softening point especially is with the on-site measurement instrument as construction enterprises, the scientific research of scientific research institution also can be applicable to the monitoring of supervision department.
Background technology
The softening point of pitch is the important indicator of pitch, the response to temperature of its reflection pitch.The softening point of pitch provides theoretical foundation to high grade pavement with the selection of pitch.
China standard T0606-2000 regulation, ball and ring method is measured the petroleum bitumen softening point, the pitch sample is packed in the copper ring of given size, placing diameter on asphalt test is 9.35mm, quality is the steel ball of 3.5 ± 0.05g, and copper ring is placed in water or the glycerine, and control temperature per minute raises 5 ℃ ± 0.5 ℃, steel ball passes the pitch sample, and the temperature when sinking to reaching 25.4mm is the softening point (with a ℃ expression) of this pitch sample.
At present, the instrument of the softening point measurement that China is commonly used generally has two classes, first kind instrument is that large beaker is placed on the electric furnace, control temperature-rise period with thermometer, realize temperature controlling in the temperature-rise period, this method manual operation influence is bigger, finally causes the result error of softening point very big.
Second quasi-instrument is controlled temperature-rise period with host computer, has reduced the error of manual operation, but the judgement of test endpoint is also sunk on the iron plate by observing steel ball with eyes, and this method can cause that also the people is the error that causes.Simultaneously, this instrument connects host computer, and it involves great expense, and the equipment heaviness is inconvenient to carry.
Summary of the invention
At defective that exists in the above-mentioned prior art or deficiency, the purpose of this utility model provides a kind of laser type asphalt softening point tester, automatically heat up according to the heating rate of setting in the time of can being implemented in the mensuration asphalt softening point by this device, with the red laser is light source, with optoelectronic switch monitoring test terminal point, and start buzzer warning, prompting testing crew record data, make test operation more easy, the result is more accurate.Simultaneously, automatic control of the present utility model does not rely on expensive instrument realization sequencing controls such as robot calculator, and cost is lower.
In order to reach above purpose, the utility model adopts following technical solution:
A kind of laser type asphalt softening point tester, comprise the pyroceram beaker, the test specimen frame, it is characterized in that, also comprise mainframe box, laser instrument, electrothermal tube, temperature sensor, stirrer and poly (methyl methacrylate) plate, described pyroceram beaker above mainframe box, the described pyroceram beaker of described test specimen frame inside, described poly (methyl methacrylate) plate is buckled on the rim of a cup of pyroceram beaker;
The support that described test specimen frame is made up of two Metallic rod support upper strata sheet metals and lower metal plate has instrument connection on the sheet metal of described upper strata; Upper strata sheet metal and lower metal plate are parallel to each other; Described laser instrument places on the lower metal plate;
Described mainframe box inside is provided with the digital display circuit of MC9RS08KA microcontroller, photoinduction circuit, motor-drive circuit, data acquisition circuit, heater circuit and LED; Described mainframe box front is provided with LED digital display screen, switch and startup/stop button; Described switch, startup/stop button, LED digital display screen, electrothermal tube, temperature sensor, stirrer link to each other with the MC9RS08KA microcontroller respectively; In the described photoinduction circuit photoresistance is set, described photoresistance is arranged on the lower metal plate; Described photoresistance and laser instrument are distributed in the both sides of described instrument connection, and three's upright position point-blank.
The utility model also comprises following technical characterictic:
Described LED digital display screen links to each other with the MC9RS08KA microcontroller by the digital display circuit of LED.
Described electrothermal tube links to each other with the MC9RS08KA microcontroller by heater circuit.
Described temperature sensor links to each other with the MC9RS08KA microcontroller by data acquisition circuit.
Described stirrer links to each other with the MC9RS08KA microcontroller by motor-drive circuit.
Be connected with hummer in the described photoinduction circuit.
Described laser instrument is the red laser diode of wavelength 650nm.
Described laser instrument, instrument connection all have two, and described photoinduction circuit has two, and the laser instrument of homonymy and the photoresistance in the photoinduction circuit are distributed in the both sides of the instrument connection of homonymy, make the three the upright position point-blank.
The beneficial effects of the utility model:
(1) sensitive to the temperature reflection, the degree of accuracy that heats up automatically height has reduced personal error.
(2) this device is provided with stirrer, can make heat conduction rapider, in the temperature-rise period in the beaker temperature even, temperature measuring is more reliable.
(3) this device adopts photoinduction circuit to judge test endpoint, and hummer rings simultaneously, reminds testing crew record test figure.
(4) light source of the photoinduction in this device is selected the red laser diode of wavelength 650nm for use, and energy of light source is strong, low price.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the synoptic diagram of photoinduction circuit.
Below in conjunction with the drawings and specific embodiments the utility model is further explained explanation.
Embodiment
As shown in Figure 1, laser type asphalt softening point tester of the present utility model, comprise pyroceram beaker 17, test specimen frame 12, mainframe box 18, laser instrument 5, electrothermal tube 4, temperature sensor 9, stirrer 8 and poly (methyl methacrylate) plate 11, pyroceram beaker 17 is above mainframe box 18, test specimen frame 12 is in pyroceram beaker 17 inside, and poly (methyl methacrylate) plate 11 is buckled on the rim of a cup of pyroceram beaker 17.Laser instrument 5 is the red laser diode of wavelength 650nm.
The support that test specimen frame 12 is made up of two Metallic rod support upper strata sheet metals 15 and lower metal plate 16 has instrument connection 7 on the upper strata sheet metal 15; Upper strata sheet metal 15 and lower metal plate 16 are parallel to each other; Described laser instrument 5 places on the lower metal plate 16.
Fig. 2 is photoinduction circuit figure, and external AC connects photoresistance R respectively
3, variable resistor R
2, capacitor C
2, diac D, bidirectional thyristor T, hummer SPK; Fixed value resistance R
1, capacitor C
1The circuit of forming the two-way brilliant lock of protection.
The trigger voltage of diac D is about 30V.During laser instrument 5 irradiations, the resistance of photoresistance 6 is low, and the dividing potential drop that A is ordered is lower than 30V, and diac D ends, and bidirectional thyristor T triggerless electric current is off-state.When steel ball drive pitch blocks the light of laser instrument 5, photoresistance R
3Resistance increase, the A point voltage is greater than 30V, trigger electrode G conducting, bidirectional thyristor T is conducting state, hummer starts, and reminds the testing crew record data.
Motor-drive circuit is identical with the motor-drive circuit of common propeller mixer.Data acquisition circuit is identical with the data acquisition circuit of the employing of SYD-4509 digital display asphalt penetrometer.Heater circuit adopts simple and easy pure water heating control circuit.The digital display circuit of LED is identical with the digital display circuit of the LED of XMTA digital display adjusting apparatus.
Use the step of the utility model laser type asphalt softening point tester test softening point as follows:
One, preliminary work
According to the T0602 rules preparing asphalt sample among the JTJ052-2000, and it is cast in the sample ring, wipes test specimen off.
Two, test procedure
1, the softening point of pitch sample adopts this kind method in time below 80 ℃:
1. place Water Tank with Temp.-controlled to be incubated sample ring, test specimen frame 12, steel ball and steel ball locating ring according to the T0602 rules among the JTJ052-2000.
2. will add distilled water in the Pyrex Beaker glass 17, the sample ring and the test specimen frame 12 that fill the pitch sample are put into heat-resisting burning glass cylinder 17.
3. sample ring is placed in the instrument connection 7 of upper strata sheet metal 15 of test specimen frame 12.Steel ball is placed on pitch sample central authorities in the sample ring.Electrothermal tube 4, temperature sensor 9 and stirrer 8 are put into the pyroceram beaker.
4. energized is pressed the power switch 1 on the mainframe box 18, checks whether laser instrument 5 is luminous normal.As normally then pressing startup/stop button 2, the MC9RS08KA microprocessor controls stirrer 8 in the mainframe box, electrothermal tube 4 work.The red light irradiation of laser instrument 5 emissions this moment is to photoresistance 6.Photoresistance 6 resistances are very little, and bidirectional thyristor T is in off state.Simultaneously, temperature sensor 5 is measured water temperature in the pyroceram beaker 2, be shown on the LED screen 3 by data acquisition circuit and the digital display circuit of LED, the MC9RS08KA microcontroller is according to preset program, and the rate of heat addition that the power of control electrothermal tube 4 makes it reaches 5 ± 0.5 ℃/min.
5. the pitch sample raises with the fluid temperature in the Pyrex Beaker and softens, dropped by the action of gravity of steel ball, when contacting with the surface of the sheet metal 16 of lower floor, the ruddiness of laser instrument 5 emissions is blocked all or part of by the pitch sample, photoresistance 6 resistances increase, bidirectional thyristor T is in conducting state, the hummer SPK that is connected in the light-operated circuit gives the alarm, this moment, testing crew can be by the time and the temperature reading of data of LED display 3 demonstrations, and this temperature is the softening point of the pitch sample of testing.
6. press startup/stop button, powered-down.Test finishes.
2, pitch sample softening point adopts this kind method in time more than 80 ℃
1. place constant temperature glycerine to be incubated sample ring, test specimen frame 12, steel ball and steel ball locating ring according to the T0602 rules among the JTJ052-2000.
2. add distilled water in the pyroceram beaker 17 of laser type asphalt softening point tester, the sample ring and the test specimen frame that fill the pitch sample are put into pyroceram beaker 17.
3. the method that following test procedure adopts in time below 80 ℃ with the softening point of pitch sample.
Be higher than 120 ℃ if estimate the sample softening point, then sample ring and sample base plate all should be preheated to 80～100 ℃.
In specific implementation process, need do two groups of experiments simultaneously, therefore, laser instrument 5, instrument connection 7 all are provided with two, photoinduction circuit is set to two, two instrument connections 7 lay respectively at the both sides of upper strata sheet metal, article two, photoinduction circuit is distinguished external AC, photoresistance 6 in two laser instruments 5, two photoinduction circuits is separately positioned on the both sides of lower metal plate 16, the laser instrument 5 of homonymy and the photoresistance 6 in the photoinduction circuit are distributed in the both sides of the instrument connection 7 of homonymy, make the three the upright position point-blank.
After the experiment beginning, laser instrument 5 is to launching laser with the photoresistance of its homonymy.The pitch sample raises with the fluid temperature in the Pyrex Beaker and softens, dropped by the action of gravity of steel ball, when contacting with the surface of the sheet metal 16 of lower floor, the ruddiness of laser instrument 5 emissions of homonymy is blocked all or part of by the pitch sample of homonymy, photoresistance 6 resistances of homonymy increase, bidirectional thyristor T is in conducting state, the hummer SPK that is connected in the light-operated circuit of homonymy gives the alarm, this moment, testing crew can be by the time and the temperature reading of data of LED display 3 demonstrations, and this temperature is the softening point of the pitch sample of testing.Testing crew has write down the data result of both sides instrument connection medium pitch samples respectively in this experiment.
The foregoing description only is a preferable example of the present utility model; this example describes the technical solution of the utility model and essential implementation in detail; be not to be that protection domain of the present utility model is limited; all any simple modification and equivalent structure transformation or modifications of being done according to the utility model spirit all should be encompassed within the protection domain of the present utility model.
Claims (10)
1. laser type asphalt softening point tester, comprise pyroceram beaker (17), test specimen frame (12), it is characterized in that, also comprise mainframe box (18), laser instrument (5), electrothermal tube (4), temperature sensor (9), stirrer (8) and poly (methyl methacrylate) plate (11), described pyroceram beaker (17) is in the top of mainframe box (18), described test specimen frame (12) is in described pyroceram beaker (17) inside, and described poly (methyl methacrylate) plate (11) is buckled on the rim of a cup of pyroceram beaker (17);
The support that described test specimen frame (12) is made up of two Metallic rod support upper strata sheet metals (15) and lower metal plate (16) has instrument connection (7) on the described upper strata sheet metal (15); Upper strata sheet metal (15) and lower metal plate (16) are parallel to each other; Described laser instrument (5) places on the lower metal plate (16);
Described mainframe box (18) inside is provided with the digital display circuit of MC9RS08KA microcontroller, photoinduction circuit, motor-drive circuit, data acquisition circuit, heater circuit and LED; Described mainframe box (18) front is provided with LED digital display screen (3), switch (1) and startup/stop button (2); Described switch (1), startup/stop button (2), LED digital display screen (3), electrothermal tube (4), temperature sensor (9), stirrer (8) reduction of fractions to a common denominator do not link to each other with the MC9RS08KA microcontroller; Photoresistance (6) is set in the described photoinduction circuit, and described photoresistance (6) is arranged on the lower metal plate (16); Described photoresistance (6) and laser instrument (5) are distributed in the both sides of described instrument connection (7), and three's upright position point-blank.
2. laser type asphalt softening point tester as claimed in claim 1 is characterized in that, described LED digital display screen (3) links to each other with the MC9RS08KA microcontroller by the digital display circuit of LED.
3. laser type asphalt softening point tester as claimed in claim 1 is characterized in that, described electrothermal tube (4) links to each other with the MC9RS08KA microcontroller by heater circuit.
4. laser type asphalt softening point tester as claimed in claim 1 is characterized in that, described temperature sensor (9) links to each other with the MC9RS08KA microcontroller by data acquisition circuit.
5. laser type asphalt softening point tester as claimed in claim 1 is characterized in that, described stirrer (8) links to each other with the MC9RS08KA microcontroller by motor-drive circuit.
6. laser type asphalt softening point tester as claimed in claim 1 is characterized in that, is connected with hummer SPK in the described photoinduction circuit.
7. laser type asphalt softening point tester as claimed in claim 1 is characterized in that, described heater circuit adopts simple and easy pure water heating control circuit.
8. laser type asphalt softening point tester as claimed in claim 1 is characterized in that, described heater circuit adopts simple and easy pure water heating control circuit.
9. laser type asphalt softening point tester as claimed in claim 1 is characterized in that, described laser instrument (5) is the red laser diode of wavelength 650nm.
10. laser type asphalt softening point tester as claimed in claim 1, it is characterized in that, described laser instrument (5), instrument connection (7) all have two, described photoinduction circuit has two, photoresistance (6) in laser instrument of homonymy (5) and the photoinduction circuit is distributed in the both sides with the instrument connection (7) of its homonymy, make the three the upright position point-blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200005492U CN201935882U (en) | 2011-01-04 | 2011-01-04 | Laser type asphalt softening point tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200005492U CN201935882U (en) | 2011-01-04 | 2011-01-04 | Laser type asphalt softening point tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201935882U true CN201935882U (en) | 2011-08-17 |
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ID=44447400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200005492U Expired - Fee Related CN201935882U (en) | 2011-01-04 | 2011-01-04 | Laser type asphalt softening point tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201935882U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297283A (en) * | 2014-09-28 | 2015-01-21 | 广东惠利普路桥信息工程有限公司 | Softening point testing instrument for monitoring transmission data online |
| CN106596623A (en) * | 2017-01-16 | 2017-04-26 | 沧州航天科宇测试仪器有限公司 | Self-adaptive photoelectric detection device and method for asphalt softening point tester |
| CN107796842A (en) * | 2016-08-30 | 2018-03-13 | 苏州丰倍生物科技有限公司 | A kind of grease condensation point apparatus for automatically measuring |
| CN108037151A (en) * | 2017-12-15 | 2018-05-15 | 中山诚泰化工科技有限公司 | A kind of hot melt adhesive softening point tester |
-
2011
- 2011-01-04 CN CN2011200005492U patent/CN201935882U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297283A (en) * | 2014-09-28 | 2015-01-21 | 广东惠利普路桥信息工程有限公司 | Softening point testing instrument for monitoring transmission data online |
| CN107796842A (en) * | 2016-08-30 | 2018-03-13 | 苏州丰倍生物科技有限公司 | A kind of grease condensation point apparatus for automatically measuring |
| CN106596623A (en) * | 2017-01-16 | 2017-04-26 | 沧州航天科宇测试仪器有限公司 | Self-adaptive photoelectric detection device and method for asphalt softening point tester |
| CN108037151A (en) * | 2017-12-15 | 2018-05-15 | 中山诚泰化工科技有限公司 | A kind of hot melt adhesive softening point tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20120104 |