CN203191247U - Asphalt thin film oven capable of sensing temperature to start timing - Google Patents
Asphalt thin film oven capable of sensing temperature to start timing Download PDFInfo
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- CN203191247U CN203191247U CN 201320111846 CN201320111846U CN203191247U CN 203191247 U CN203191247 U CN 203191247U CN 201320111846 CN201320111846 CN 201320111846 CN 201320111846 U CN201320111846 U CN 201320111846U CN 203191247 U CN203191247 U CN 203191247U
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Abstract
The utility model discloses an asphalt thin film oven capable of sensing temperature to start timing. The asphalt thin film oven comprises a thin film oven, a time and temperature controller and a temperature sensor, wherein the time and temperature controller is arranged on a top plate of the thin film oven, the temperature sensor is arranged on a side plate of the rotary thin film oven, and a probe of the temperature sensor extends in the thin film oven; the time and temperature controller and the temperature sensor are connected. Specifically, three connecting wires at a lead cooling end of the temperature sensor are respectively connected with a thermoresistance terminal on the time and temperature controller and comprise two green leads and a red lead, wherein the two green leads are connected with a NO.1 terminal and a NO.2 terminal on the time and temperature controller respectively, and the red lead is connected with a NO.3 terminal. The asphalt thin film oven is simple to combine and convenient to operate. When the temperature in the oven reaches 163 DEG C, a temperature sensing device automatically starts timing and automatically prompts a tester after the constant-temperature heating lasts for five hours, the tester can stop heating, and thus the accuracy of aging time can be ensured. Therefore, the practicability of the asphalt thin film oven is high.
Description
Technical field
The utility model relates to the asphalt film baking oven that a kind of temperature-sensitive excites timing, and this baking oven begins self-clocking when internal temperature reaches 163 ℃, auto-alarm-signal keying device prompting behind the lasting heated at constant temperature pitch test specimen 5h.
Background technology
The asphalt film baking oven is mainly used in measuring the mass loss after the bi tumenf orr oad film heats, and according to the heating variation of the character such as pen., viscosity, ductility and brittle point of residue afterwards, the ageing properties of evaluation pitch, test method is according to " highway engineering pitch and asphalt testing regulations " JTG E20-2011.Thin film oven must reach 163 ℃ at 0.25h after the pitch test specimen is put into, heat 5h down for 163 ℃ in steady temperature then, mix and stir the heat ageing of process when constructing at the scene with the simulation asphalt film, specifically can pacify " pitch and the asphalt pavement performance " write, page number 191-192 with reference to the Shen Jin of People's Transportation Press.At present, common thin film oven can pick up counting when putting into the pitch test specimen, and behind timing 5.25h, stop to heat, but common thin film oven can only guarantee the temperature inside the box and reach 163 ℃ at 0.25h with interior, but can not accurately be 0.25h, so 5.25h understands the pitch test specimen and has heated 0.5h have certain error under 163 ℃ of constant temperature when amounting to.Every kind of test apparatus and can not guarantee the digestion time of 5h under 163 ℃ of conditions each heat time heating time, and heat time heating time is more long, ageing of asphalt is more serious, and these have brought test error for the ageing of asphalt standard.In addition, adopt manual time-keeping can bring again that time precision is inaccurate, the defective of labor intensive.Therefore, developing the asphalt film baking oven that a kind of temperature-sensitive excites timing is very to be necessary for the ageing properties of estimating pitch.
Summary of the invention
Defective or deficiency at above-mentioned prior art existence, the purpose of this utility model is, the asphalt film baking oven that provides a kind of temperature-sensitive to excite timing, this baking oven be by arranging the temperature-sensitive self-clocking to common thin film oven, when having realized the automatic temperature sensor in the process of the test.The utility model combination is simple and easy, easy to operate, after temperature in the baking oven reaches 163 ℃, and the temperature sensing device self-clocking, prompting automatically behind the heated at constant temperature 5h, testing crew can stop heating, can guarantee the accurate, practical of digestion time.
In order to achieve the above object, the utility model adopts following technical solution:
A kind of temperature-sensitive excites the asphalt film baking oven of timing, comprise thin film oven, time-temperature controller and temperature sensor, wherein, described time-temperature controller is installed on the thin film oven top board, described temperature sensor is installed on the side plate of rotating thin film baking oven, and the probe of temperature sensor stretches in the thin film oven; The time-temperature controller is connected with temperature sensor, specifically is three thermal resistance terminals that connect on lead difference temperature controller turn-on time of the lead cold junction of temperature sensor, and three connect leads and comprise two green pigtails and red lead wire; Wherein, two green pigtails respectively with the time-temperature controller on 1. number terminal be connected with 2. number terminal, red lead wire is connected with 3. number terminal.
The utility model also comprises following other technologies feature:
Described probe apart from the rotating disk 6 of thin film oven inside apart from 6mm.
Described thin film oven is selected 82 type asphalt film baking ovens for use.
The time-temperature controller is selected XMT7000T type time-temperature controller for use.
Temperature sensor is selected Pt100WZP-202 type temperature sensor for use.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of time-temperature controller.
Fig. 3 is the structural representation of temperature sensor.
Fig. 4 is the wiring diagram of time-temperature controller and temperature sensor.
Each label implication is as follows in the literary composition:
1, thin film oven, 2, the time-temperature controller, 3, temperature sensor, 4, probe, 5, pore, 6, rotating disk, 7, the SET key, 8,
Key, 9, the ▼ key, 10, ▲ key, 11, the SV window, 12, two green pigtails, 13, red lead wire, 14, the thermal resistance terminal, 15,1. number terminal, 16,2. number terminal, 17,3. number terminal.
Below in conjunction with the drawings and specific embodiments the utility model is further explained.
Embodiment
As shown in Figure 1-Figure 3, temperature-sensitive of the present utility model excites the asphalt film baking oven of timing, comprise thin film oven 1, time-temperature controller 2 and temperature sensor 3, wherein, described time-temperature controller 2 is installed on thin film oven 1 top board, described temperature sensor 3 is installed on the side plate of rotating thin film baking oven 1, and the probe 4 of temperature sensor 3 stretches in the thin film oven 1, probe 4 apart from the rotating disk 6 of thin film oven 1 inside apart from 6mm; Time-temperature controller 2 is connected with temperature sensor 1, specifically is that three 14, three connections of thermal resistance terminals leads that connect on lead difference temperature controller turn-on time 2 of the lead cold junction of temperature sensor 1 comprise two green pigtails 12 and red lead wire 13; Wherein, two green pigtails 12 respectively with time-temperature controller 2 on 1. number terminal 15 be connected with 2. number terminal 16, red lead wire 13 is connected with 3. number terminal 17.
In the present embodiment, selecting for use of each parts is as follows:
As shown in Figure 2, time-temperature controller 2 is selected XMT7000T type time-temperature controller for use, and timing range is 0～300min, carries hummer.Design temperature and time: when revising setting value, show under the metering system normal, pin the key 7 of SET, radix point and flicker appear in 11 positions of SV window, last row demonstration SP, press at this moment ▲ key 10 is to the adjusted desired temperature, press ▼ key 9 and regulate desired temperature downwards, press
Key 8 displacements are pressed SET key 7 and are finished the affirmation modification, return to normal display state automatically after under the state not according to any key about 20 seconds, and instrument admits to revise; Press SET key 7 again, row shows ST on the instrument, the following row display setting time, press this moment ▲ key 10 is to adjusted time set value, presses ▼ key 9 downward adjusting time set values, press
Key 8 displacements are pressed SET key 9 again and are withdrawed from the parameter setting.
The step that application the utility model carries out the test of asphalt film baking oven is as follows:
1, time-temperature controller 2 is placed on thin film oven 1 top board, and be connected with temperature sensor 1, be three thermal resistance terminals 14 that connect on lead difference temperature controller turn-on time 2 of the lead cold junction of temperature sensor 1, two green pigtails 12 that are specially temperature sensor 3 lead cold junctions respectively with the time-temperature controller on 1. number terminal 15 be connected with 2. number terminal 16, another root red lead wire 13 is connected with 3. number terminal 17;
2, the probe 4 of the temperature sensor pore 5 from thin film oven 1 top is stretched into, vertically hang, probe 4 is apart from rotating disk 6 end face 6mm;
3, time-temperature controller 2 is connected power supply, press SET key 7, radix point and flicker appear in 11 positions of SV window, and last row shows SP, press this moment ▲ key 10 is 163 ℃ to the adjusted set temperature value, press SET key 7 again and finish the affirmation modification, press SET key 7 again, row shows ST, following row's display setting time on the instrument, press this moment ▲ key 10 or ▼ key 9 setting-up times are 300min, press SET key 7 again and withdraw from the parameter setting;
4, will inject each and contain sample bottle by the pitch test specimen of (JTJ052-2000) preparation, its quality is 50g ± 0.5g, and the quantity of selection Sheng sample bottle should be able to satisfy the sample needs of required test, selects 4 usually.Put into the bottle position of thin film oven 1 with containing the sample bottle, shut rotating thin film baking oven 1 and open the dial rotation switch behind the door, rotate with 5.5r/min ± 1r/min speed;
5, time-temperature controller 2 beginning self-clockings after the temperature in the thin film oven 1 reaches 163 ℃, behind the timing 300min, the buzzer warning prompting that time-temperature controller 2 carries;
6, the staff stops dial rotation and jets of heated air immediately, take out one by one immediately and contain the sample bottle, and the mixing to the clean container that rapidly sample inclined, in order to carrying out the test of the asphaltic nature behind the thin film heating test, but the pitch sample plasma bottle that does not allow to have crossed repeats heating to obtain more test.All pilot projects should all be finished in 72h.
Claims (5)
1. a temperature-sensitive excites the asphalt film baking oven of timing, it is characterized in that, comprise thin film oven (1), time-temperature controller (2) and temperature sensor (3), wherein, described time-temperature controller (2) is installed on thin film oven (1) top board, described temperature sensor (3) is installed on the side plate of rotating thin film baking oven (1), and the probe (4) of temperature sensor (3) stretches in the thin film oven (1); Time-temperature controller (2) is connected with temperature sensor 1, specifically be three thermal resistance terminals (14) that connect on lead difference temperature controller turn-on time (2) of the lead cold junction of temperature sensor (1), three connect leads and comprise two green pigtails (12) and red lead wire (13); Wherein, two green pigtails (12) respectively with time-temperature controller (2) on 1. number terminal (15) be connected with 2. number terminal (16), red lead wire (13) is connected with 3. number terminal (17).
2. temperature-sensitive as claimed in claim 1 excites the asphalt film baking oven of timing, it is characterized in that, described probe is 6mm apart from inner rotating disk 6 distances of thin film oven (1).
3. temperature-sensitive as claimed in claim 1 excites the asphalt film baking oven of timing, it is characterized in that, described thin film oven (1) is selected 82 type asphalt film baking ovens for use.
4. temperature-sensitive as claimed in claim 1 excites the asphalt film baking oven of timing, it is characterized in that, described time-temperature controller (2) is selected XMT7000T type time-temperature controller for use.
5. temperature-sensitive as claimed in claim 1 excites the asphalt film baking oven of timing, it is characterized in that, described temperature sensor (3) is selected Pt100WZP-202 type temperature sensor for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111846 CN203191247U (en) | 2013-03-12 | 2013-03-12 | Asphalt thin film oven capable of sensing temperature to start timing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111846 CN203191247U (en) | 2013-03-12 | 2013-03-12 | Asphalt thin film oven capable of sensing temperature to start timing |
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| Publication Number | Publication Date |
|---|---|
| CN203191247U true CN203191247U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320111846 Expired - Fee Related CN203191247U (en) | 2013-03-12 | 2013-03-12 | Asphalt thin film oven capable of sensing temperature to start timing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191247U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319342A (en) * | 2014-06-10 | 2016-02-10 | 苏州科技学院 | Asphalt aging instrument |
| CN109781766A (en) * | 2018-12-20 | 2019-05-21 | 广东省建筑科学研究院集团股份有限公司 | Heating and baking time determine method and Asphalt Emulsion Evaporation Residue preparation method |
-
2013
- 2013-03-12 CN CN 201320111846 patent/CN203191247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319342A (en) * | 2014-06-10 | 2016-02-10 | 苏州科技学院 | Asphalt aging instrument |
| CN109781766A (en) * | 2018-12-20 | 2019-05-21 | 广东省建筑科学研究院集团股份有限公司 | Heating and baking time determine method and Asphalt Emulsion Evaporation Residue preparation method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20160312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |