CN103267593B - Automatic thermocouple verifying system - Google Patents
Automatic thermocouple verifying system Download PDFInfo
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- CN103267593B CN103267593B CN201310142368.7A CN201310142368A CN103267593B CN 103267593 B CN103267593 B CN 103267593B CN 201310142368 A CN201310142368 A CN 201310142368A CN 103267593 B CN103267593 B CN 103267593B
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- branch road
- relay
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- closed contact
- assay furnace
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Abstract
The invention relates the field of thermocouple verifying systems, in particular to an automatic thermocouple verifying system which comprises a temperature controlling instrument, a switching device and multiple verifying furnaces which are respectively electrically connected with the temperature controlling instrument. The switching device is used for switching make-and-break between the temperature control instrument and any of the verifying furnaces. The automatic thermocouple verifying system does not need to wait for detection until the verifying furnaces are cooled so as to achieve continuous detection and improves the efficiency of the automatic thermocouple verifying system.
Description
Technical field
The present invention relates to thermocouple verification system field, particularly relate to a kind of thermocouple auto-verification system.
Background technology
At present, thermocouple auto-verification system comprises microcomputer, detector, temperature controller and an assay furnace.Described detector and temperature controller are electrically connected with described microcomputer respectively; Described temperature controller and described detector are electrically connected with described assay furnace respectively.Described temperature controller realizes the control of the furnace temperature of assay furnace by the heating voltage changing assay furnace.When the furnace temperature of assay furnace reaches a predetermined temperature in testing requirement, detector detects the thermoelectrical potential of the thermopair be placed in assay furnace, and the thermoelectrical potential detected is sent to microcomputer, and this thermoelectrical potential stores by microcomputer.Microcomputer control temperature controller proceeds to next temperature detecting point, namely when the furnace temperature in temperature controller control verification stove reaches second predetermined temperature in testing requirement, detector detects the thermoelectrical potential of thermopair, and the thermoelectrical potential detected is sent to microcomputer, this thermoelectrical potential stores by microcomputer, continuation like this, until furnace temperature reaches in testing requirement, last makes a reservation for stable, and after last thermoelectrical potential of detecting stores by microcomputer, the multiple thermoelectrical potentials stored contrast with the thermoelectrical potential of standard couple during corresponding temperature by microcomputer respectively, calculate the deviation between each thermoelectrical potential and standard hot gesture, if one of them deviation exceedes predetermined deviation, then judge that this thermopair is defective.Otherwise thermopair is qualified.
An assay furnace in thermocouple auto-verification system is in one-time detection process, and furnace temperature constantly changes according to testing requirement.After terminating once complete detection, after assay furnace must being cooled, again heat up and could continue to detect.And in the process of assay furnace cooling, whole thermocouple auto-verification system is in holding state, cannot carry out testing, causes thermocouple auto-verification system effectiveness low.
Summary of the invention
The object of the present invention is to provide a kind of thermocouple auto-verification system, to solve the problem.
A kind of thermocouple auto-verification system, the multiple stage assay furnace comprising temperature controller, switching device shifter and be electrically connected with described temperature controller respectively; Described switching device shifter is for switching the break-make between temperature controller and arbitrary assay furnace.
Compared with prior art, the advantage of the embodiment of the present invention is: this thermocouple auto-verification system comprises multiple stage assay furnace, detect at an assay furnace in the process terminating cooling, the assay furnace cooled can be cut off the connection with temperature controller by switching device shifter, then by another, the assay furnace be in holding state is connected with temperature controller, this assay furnace is made to be in wait state, detect again after not needing to wait for assay furnace cooling, realize the continuity detected, thus improve the efficiency of thermocouple auto-verification system.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the thermocouple auto-verification system of the embodiment of the present invention.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
As shown in Figure 1, a kind of thermocouple auto-verification system, the multiple stage assay furnace comprising temperature controller 111, switching device shifter and be electrically connected with described temperature controller 111 respectively; Described switching device shifter is for switching the break-make between temperature controller 111 and arbitrary assay furnace.
This thermocouple auto-verification system comprises multiple stage assay furnace, detect at an assay furnace in the process terminating cooling, the assay furnace cooled can be cut off the connection with temperature controller 111 by switching device shifter, then the assay furnace another be in holding state is connected with temperature controller 111, make this assay furnace wait state, detect again after not needing to wait for assay furnace cooling, realize the continuity detected, thus improve the efficiency of thermocouple auto-verification system.
Described assay furnace comprises two, i.e. the first assay furnace 106 and the second assay furnace 107; Described switching device shifter comprises power supply, stop button A, the first branch road 101 and the second branch road 102 in parallel; Two described assay furnaces are electrically connected with described temperature controller 111 respectively; Described first branch road 101 comprises relay J 1, the start button A1 of series connection; The normally opened contact J1-1k that described relay J 1 is arranged is in parallel with described start button A1; The normally opened contact J1-2k that described relay J 1 is arranged and normally opened contact J1-3k is arranged on the circuit that described temperature controller 111 is connected with described first assay furnace 106; Described second branch road 102 comprises relay J 2, the start button A2 of series connection; The normally opened contact J2-1k that described relay J 2 is arranged is in parallel with described start button A2; The normally opened contact J2-2k that described relay J 2 is arranged and normally opened contact J2-3k is arranged on the circuit that described temperature controller 111 is connected with described second assay furnace 107.
Namely, after pressing start button A1, the first branch road 101 conducting, relay J 1 is energized, and the normally opened contact J1-1k of relay J 1 is closed by the first branch road 101 self-locking, makes the conducting always after start button A1 upsprings of the first branch road 101.Meanwhile, normally opened contact J1-2k and J1-3k of relay J 1 closes, and the first assay furnace 106 is communicated with temperature controller 111, and the first assay furnace 106 is in wait state.After the first assay furnace 106 calibrating terminates, press stop button A, relay J 1 power-off, the first assay furnace 106 disconnects with temperature controller 111, begins to cool down.After pressing start button A2, the second branch road 102 conducting, relay J 2 is energized, and the normally opened contact J2-1k of relay J 2 is closed by the second branch road 102 self-locking, makes the conducting always after start button A2 upsprings of the second branch road 102.Meanwhile, normally opened contact J2-2k and J2-3k of relay J 2 closes, second assay furnace 107 is communicated with temperature controller 111, second assay furnace 107 is in wait state, make in the process cooled at the first assay furnace 106, second assay furnace 107 is that verification system continues to detect after running, and improves the efficiency of verification system.
In order to judge the duty of each relay, described first branch road 101 also comprises pilot lamp D1; Described second branch road 102 also comprises pilot lamp D2; Described pilot lamp D1 is in parallel with described relay J 1; Described pilot lamp D2 is in parallel with described relay J 2.Namely during the first relay power, pilot lamp D1 is also energized, and pilot lamp D1 is bright.
After pressing start button A2 when the first branch road 101 is energized, the second branch road 102 is energized, and the first assay furnace 106 is communicated with temperature controller 111 with the second assay furnace 107 simultaneously.In order to avoid the appearance of this situation, the normally closed contact J1-1b that described relay J 1 is arranged is connected on described second branch road 102; The normally closed contact J2-4b that described relay J 2 is arranged is connected on described first branch road 101.Namely when the first branch road 101 is energized, relay J 1 is energized, and normally closed contact J1-1b disconnects the second branch road 102, even if press start button A2, the second branch road 102 still cannot conducting; When second branch road 102 is energized, relay J 2 is energized, and normally closed contact J2-4b disconnects the first branch road 101, thus realizes the interlocking of the first branch road 101 and the second branch road 102.
Certainly, in order to improve the efficiency of this verification system further, described assay furnace also comprises the 3rd assay furnace 108; Described switching device shifter also comprises three branch road 103 in parallel with described first branch road 101.Described 3rd branch road 103 comprises relay J 3 and the start button A3 of series connection; The normally opened contact J3-1k that described relay J 3 is arranged is in parallel with described start button A3; The normally opened contact J3-2k that described relay J 3 is arranged and normally opened contact J3-3k is arranged on the circuit that described temperature controller 111 is connected with described 3rd assay furnace 108.Like this, when the first assay furnace 106 and the second assay furnace 107 are in the state of cooling, start button A3 can be pressed, make the 3rd assay furnace 108 be in wait state.
In order to make the first branch road 101, second branch road 102 and the 3rd branch road 103 interlock, the normally closed contact J3-3b that described relay J 3 is arranged is connected on described first branch road 101; The normally closed contact J3-4b that described relay J 3 is arranged is connected on described second branch road 102; The normally closed contact J1-2b that described relay J 1 is arranged and the normally closed contact J2-1b that described relay J 2 is arranged is connected on described 3rd branch road 103.
Certainly, described 3rd branch road 103 also comprises the pilot lamp D3 in parallel with described relay J 3.
Further, described assay furnace also comprises the 4th assay furnace 109; Described switching device shifter also comprises four branch road 104 in parallel with described first branch road 101; Described 4th branch road 104 comprises relay J 4 and the start button A4 of series connection; The normally opened contact J4-1k that described relay J 4 is arranged is in parallel with described start button A4; The normally opened contact J4-2k that described relay J 4 is arranged and normally opened contact J4-3k is arranged on the circuit that described temperature controller 111 is connected with described 4th assay furnace 109.
The normally closed contact J4-2b that described relay J 4 is arranged is connected on described first branch road 101; The normally closed contact J4-3b that described relay J 4 is arranged is connected on described second branch road 102; The normally closed contact J4-4b that described relay J 4 is arranged is connected on described 3rd branch road 103; The normally closed contact J2-2b that the normally closed contact J1-3b that described relay J 1 is arranged, described relay J 2 are arranged and the normally closed contact J3-1b that described relay J 3 is arranged is connected on described 4th branch road 104.Namely the interlocking of the first branch road 101, second branch road 102, the 3rd branch road 103 and the 4th branch road 104 is realized.
Described 4th branch road 104 also comprises the pilot lamp D4 in parallel with described relay J 4.
Further, described assay furnace also comprises the 5th assay furnace 110; Described switching device shifter also comprises five branch road 105 in parallel with described first branch road 101; Described 5th branch road 105 comprises relay J 5 and the start button A5 of series connection; The normally opened contact J5-1k that described relay J 5 is arranged is in parallel with described start button A5; The normally opened contact J5-2k that described relay J 5 is arranged and normally opened contact J5-3k is arranged on the circuit that described temperature controller 111 is connected with described 5th assay furnace 110.
The normally closed contact J5-1b that described relay J 5 is arranged is connected on described first branch road 101; The normally closed contact J5-2b that described relay J 5 is arranged is connected on described second branch road 102; The normally closed contact J5-3b that described relay J 5 is arranged is connected on described 3rd branch road 103; The normally closed contact J5-4b that described relay J 5 is arranged is connected on described 4th branch road 104; The normally closed contact J3-2b that the normally closed contact J2-3b that the normally closed contact J1-4b that described relay J 1 is arranged, described relay J 2 are arranged, described relay J 3 are arranged and the normally closed contact J4-1b that described relay J 4 is arranged is connected on described 5th branch road 105.Namely the interlocking of the first branch road 101, second branch road 102, the 3rd branch road 103, the 4th branch road 104 and the 5th branch road 105 is realized.
Described 5th branch road 105 also comprises the pilot lamp D5 in parallel with described relay J 5.
In addition, this verification system also comprises microcomputer and detector; Described detector and described temperature controller 111 are electrically connected with described microcomputer respectively; Described in every platform, assay furnace is electrically connected with described detector respectively.
On the basis of above-described embodiment, this verification system also comprises power light D and power switch K; Described power switch K is in parallel with described power light D again with after described power sources in series.
Certainly, this verification system can also comprise more multiple stage assay furnace, and correspondingly, switching device shifter can comprise more branch roads, for controlling the break-make of corresponding assay furnace and temperature controller 111.
The principle of work that this verification system is concrete is: when power switch closes, and power light D is bright, and each assay furnace, relay are all in off-position.When pressing the start button of a certain assay furnace, as pressed the start button A1 of the first assay furnace 106, corresponding D pilot lamp is bright, simultaneously, relay J 1 is with some excitation, and normally opened contact J1-1k, J1-2k, J1-3k are closed, and the first assay furnace 106 is connected, be in wait state state, normally closed contact J1-1b, J1-2b, J1-3b, J1-4b disconnect, and other four roads branch road is disconnected, and other four assay furnaces are in off state, achieve interlocking, open by mistake to prevent other four assay furnaces.When thermocouple auto-verification system starts, the first assay furnace 106 works simultaneously; When pressing stop button A, the first assay furnace 106 quits work, and switching device shifter returns to original state.When pressing the button of another stove, as pressed the start button A3 of the 3rd assay furnace 108, corresponding pilot lamp D3 is bright, meanwhile, and the charged excitation of relay J 3.Normally opened contact J3-1k, J3-2k, J3-3k are closed, 3rd assay furnace 108 is connected, be in wait state, normally closed contact J3-1b, J3-2b, J3-3b, J3-4b disconnect, other four assay furnace function circuits are made all to be in off state, achieve interlocking, open by mistake to prevent other four assay furnaces.When thermocouple auto-verification system starts, the 3rd assay furnace 108 works simultaneously; When pressing stop button, the 3rd assay furnace 108 quits work, and switching device shifter returns to original state again ... by that analogy.Achieve a certain assay furnace work complete later when cooling, other a certain assay furnace still can work on, and within one day, repeatedly can examine and determine the object of thermopair.
Be proven, this thermocouple auto-verification system improves front every day can only examine and determine a stove both 8 thermopairs, after improvement, 1 assay furnace work just can examine and determine a stove both 8 thermopairs in 3 hours, in one day, the continuous working of 5 assay furnace difference just can examine and determine 40 thermopairs in 15 hours.Be equivalent to 1 cover thermocouple auto-verification system and become 5 cover thermocouple auto-verification systems.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a thermocouple auto-verification system, is characterized in that, the multiple stage assay furnace comprising temperature controller, switching device shifter and be electrically connected with described temperature controller respectively;
Described switching device shifter is for switching the break-make between temperature controller and arbitrary assay furnace;
Described assay furnace comprises two, i.e. the first assay furnace and the second assay furnace; Described switching device shifter comprises power supply, stop button A, the first branch road in parallel and the second branch road;
Two described assay furnaces are electrically connected with described temperature controller respectively;
Described first branch road comprises relay J 1, the start button A1 of series connection; The normally opened contact J1-1k that described relay J 1 is arranged is in parallel with described start button A1; The normally opened contact J1-2k that described relay J 1 is arranged and normally opened contact J1-3k is arranged on the circuit that described temperature controller is connected with described first assay furnace;
Described second branch road comprises relay J 2, the start button A2 of series connection; The normally opened contact J2-1k that described relay J 2 is arranged is in parallel with described start button A2; The normally opened contact J2-2k that described relay J 2 is arranged and normally opened contact J2-3k is arranged on the circuit that described temperature controller is connected with described second assay furnace;
The normally closed contact J1-1b that described relay J 1 is arranged is connected on described second branch road; The normally closed contact J2-4b that described relay J 2 is arranged is connected on described first branch road.
2. thermocouple auto-verification system as claimed in claim 1, it is characterized in that, described first branch road also comprises pilot lamp D1; Described second branch road also comprises pilot lamp D2;
Described pilot lamp D1 is in parallel with described relay J 1; Described pilot lamp D2 is in parallel with described relay J 2.
3. thermocouple auto-verification system as claimed in claim 2, it is characterized in that, described assay furnace also comprises the 3rd assay furnace; Described switching device shifter also comprises the 3rd branch road with described first branch circuit parallel connection;
Described 3rd branch road comprises relay J 3 and the start button A3 of series connection; The normally opened contact J3-1k that described relay J 3 is arranged is in parallel with described start button A3; The normally opened contact J3-2k that described relay J 3 is arranged and normally opened contact J3-3k is arranged on the circuit that described temperature controller is connected with described 3rd assay furnace;
The normally closed contact J3-3b that described relay J 3 is arranged is connected on described first branch road; The normally closed contact J3-4b that described relay J 3 is arranged is connected on described second branch road;
The normally closed contact J1-2b that described relay J 1 is arranged and the normally closed contact J2-1b that described relay J 2 is arranged is connected on described 3rd branch road;
Described 3rd branch road also comprises the pilot lamp D3 in parallel with described relay J 3.
4. thermocouple auto-verification system as claimed in claim 3, it is characterized in that, described assay furnace also comprises the 4th assay furnace; Described switching device shifter also comprises the 4th branch road with described first branch circuit parallel connection;
Described 4th branch road comprises relay J 4 and the start button A4 of series connection; The normally opened contact J4-1k that described relay J 4 is arranged is in parallel with described start button A4; The normally opened contact J4-2k that described relay J 4 is arranged and normally opened contact J4-3k is arranged on the circuit that described temperature controller is connected with described 4th assay furnace;
The normally closed contact J4-2b that described relay J 4 is arranged is connected on described first branch road; The normally closed contact J4-3b that described relay J 4 is arranged is connected on described second branch road; The normally closed contact J4-4b that described relay J 4 is arranged is connected on described 3rd branch road;
The normally closed contact J2-2b that the normally closed contact J1-3b that described relay J 1 is arranged, described relay J 2 are arranged and the normally closed contact J3-1b that described relay J 3 is arranged is connected on described 4th branch road;
Described 4th branch road also comprises the pilot lamp D4 in parallel with described relay J 4.
5. thermocouple auto-verification system as claimed in claim 4, it is characterized in that, described assay furnace also comprises the 5th assay furnace; Described switching device shifter also comprises the 5th branch road with described first branch circuit parallel connection;
Described 5th branch road comprises relay J 5 and the start button A5 of series connection; The normally opened contact J5-1k that described relay J 5 is arranged is in parallel with described start button A5; The normally opened contact J5-2k that described relay J 5 is arranged and normally opened contact J5-3k is arranged on the circuit that described temperature controller is connected with described 5th assay furnace;
The normally closed contact J5-1b that described relay J 5 is arranged is connected on described first branch road; The normally closed contact J5-2b that described relay J 5 is arranged is connected on described second branch road; The normally closed contact J5-3b that described relay J 5 is arranged is connected on described 3rd branch road; The normally closed contact J5-4b that described relay J 5 is arranged is connected on described 4th branch road;
The normally closed contact J3-2b that the normally closed contact J2-3b that the normally closed contact J1-4b that described relay J 1 is arranged, described relay J 2 are arranged, described relay J 3 are arranged and the normally closed contact J4-1b that described relay J 4 is arranged is connected on described 5th branch road;
Described 5th branch road also comprises the pilot lamp D5 in parallel with described relay J 5.
6. thermocouple auto-verification system as claimed in claim 5, is characterized in that, also comprise microcomputer and detector;
Described detector and described temperature controller are electrically connected with described microcomputer respectively;
Described in every platform, assay furnace is electrically connected with described detector respectively.
7. the thermocouple auto-verification system according to any one of claim 1 ~ 6, is characterized in that, also comprises power light D and power switch K;
Described power switch K is in parallel with described power light D again with after described power sources in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142368.7A CN103267593B (en) | 2013-04-23 | 2013-04-23 | Automatic thermocouple verifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142368.7A CN103267593B (en) | 2013-04-23 | 2013-04-23 | Automatic thermocouple verifying system |
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| Publication Number | Publication Date |
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| CN103267593A CN103267593A (en) | 2013-08-28 |
| CN103267593B true CN103267593B (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310142368.7A Expired - Fee Related CN103267593B (en) | 2013-04-23 | 2013-04-23 | Automatic thermocouple verifying system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108332882B (en) * | 2018-04-23 | 2024-03-08 | 山西迪思凯瑞科技有限公司 | Verification system of furnace temperature tracker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102143A (en) * | 1986-04-01 | 1987-10-14 | 北京工业大学 | The automatic calibrator of industrial thermocouple |
| CN2070639U (en) * | 1990-06-18 | 1991-02-06 | 王建祥 | Anticipating replying device for knowledge competition |
| CN201251489Y (en) * | 2008-09-08 | 2009-06-03 | 云南铝业股份有限公司 | Device for improving thermocouple calibration efficiency |
| CN201639354U (en) * | 2010-03-05 | 2010-11-17 | 江苏捷诚车载电子信息工程有限公司 | Power supply switching circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59200934A (en) * | 1983-04-28 | 1984-11-14 | Oki Electric Ind Co Ltd | Measuring method of temperature measuring resistor |
| JP3457175B2 (en) * | 1998-03-26 | 2003-10-14 | 株式会社 日立インダストリイズ | Temperature sensor inspection method and device |
-
2013
- 2013-04-23 CN CN201310142368.7A patent/CN103267593B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102143A (en) * | 1986-04-01 | 1987-10-14 | 北京工业大学 | The automatic calibrator of industrial thermocouple |
| CN2070639U (en) * | 1990-06-18 | 1991-02-06 | 王建祥 | Anticipating replying device for knowledge competition |
| CN201251489Y (en) * | 2008-09-08 | 2009-06-03 | 云南铝业股份有限公司 | Device for improving thermocouple calibration efficiency |
| CN201639354U (en) * | 2010-03-05 | 2010-11-17 | 江苏捷诚车载电子信息工程有限公司 | Power supply switching circuit |
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| CN103267593A (en) | 2013-08-28 |
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Effective date of registration: 20170726 Address after: 028000 No. 3, unit 6, 4 power plant street, Horqin district, the Inner Mongolia Autonomous Region, Tongliao Patentee after: Bao Jinying Address before: 028011 No. 2, unit 25, 3 power plant street, Horqin district, the Inner Mongolia Autonomous Region, Tongliao Patentee before: Shen Yanqiu |
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