CN203981215U - A kind of thermometric crystal fixed carbon probe - Google Patents
A kind of thermometric crystal fixed carbon probe Download PDFInfo
- Publication number
- CN203981215U CN203981215U CN201420435668.4U CN201420435668U CN203981215U CN 203981215 U CN203981215 U CN 203981215U CN 201420435668 U CN201420435668 U CN 201420435668U CN 203981215 U CN203981215 U CN 203981215U
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- China
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- carbon
- thermopair
- compensating wire
- molten steel
- temperature thermocouple
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Abstract
The utility model discloses a kind of thermometric crystal fixed carbon probe, comprising: temperature thermocouple, determine carbon thermopair, molten steel solidification crystallisation chamber, protection paper tube, tin hat, paper cap, compensating wire, post assembly and plastics connector; Plastics connector is fixed on molten steel solidification crystallisation chamber end; Post assembly is connected on plastics connector; Post assembly comprises: temperature positive terminal, determine carbon positive terminal and negative terminal; The cold junction positive pole of temperature thermocouple is connected with temperature positive terminal by compensating wire; The cold junction positive pole of determining carbon thermopair by compensating wire with determine carbon positive terminal and be connected; Determine the cold junction negative pole of carbon thermopair and the cold junction negative pole of temperature thermocouple is connected with negative terminal by compensating wire.This thermometric crystal fixed carbon probe can ensure test result quick and precisely, improves assembling capacity, and reduces greatly material cost.
Description
Technical field
The utility model relates to liquid metal sensor technical field, particularly a kind of thermometric crystal fixed carbon probe.
Background technology
The main steelmaking equipment of China is the compound blow converter of oxygen top blown or the oxygen end, top at present, if at the middle and later periods of bessemerizing and terminal and under the situation of falling stove not, use a kind of quick accurate detection mode, molten steel in stove is carried out to instant accurate composition detection, and take corresponding technological operation can improve terminal hit rate according to detecting the data obtained, shorten the heat, improve molten steel quality and can reduce various consumption.
Have both at home and abroad at present the method for testing of carbon content in " crystal fixed carbon " Fast Measurement molten steel is applied to the example in application technology and the application on hand-held fast detecting probe, but its structure adopts hard connection, and the hard copper binding post cost using that connects is higher, and hardwired assembling is not high, simultaneously higher to the sealing requirements of whole device.
Utility model content
For addressing the above problem, the utility model provides a kind of can ensure test result quick and precisely, improves assembling capacity, and reduces greatly the thermometric crystal fixed carbon probe of material cost.
A kind of thermometric crystal fixed carbon probe that the utility model provides, comprising: temperature thermocouple, determine carbon thermopair, molten steel solidification crystallisation chamber, protection paper tube, tin hat and paper cap; Described molten steel solidification crystallisation chamber is arranged on described protection paper tube inside; The cold junction of described temperature thermocouple is fixed in described molten steel solidification crystallisation chamber; Described tin hat and paper cap coordinate described temperature thermocouple are hidden with molten steel solidification crystallisation chamber; Describedly determine carbon thermopair and be arranged on described molten steel solidification crystallization chamber; The described cold junction of determining carbon thermopair is fixed in described molten steel solidification crystallisation chamber; Described thermometric crystal fixed carbon probe also comprises:
Compensating wire, post assembly and plastics connector;
Described plastics connector is arranged in described protection paper tube; Described plastics connector is fixed on described molten steel solidification crystallisation chamber end;
Described post assembly is connected on described plastics connector; Described post assembly comprises: temperature positive terminal, determine carbon positive terminal and negative terminal;
The cold junction positive pole of described temperature thermocouple is connected with described temperature positive terminal by described compensating wire;
The described cold junction of determining carbon thermopair is anodal to be determined carbon positive terminal and is connected with described by described compensating wire;
Describedly determine the cold junction negative pole of carbon thermopair and the cold junction negative pole of temperature thermocouple and be connected with described negative terminal by described compensating wire, form described temperature thermocouple and determine the common negative pole of carbon thermopair and be connected.
As preferably, the described compensating wire of described temperature thermocouple and described temperature positive terminal junction wears insulation protection tube outward;
The described compensating wire of described temperature thermocouple and described negative terminal junction wears described insulation protection tube outward;
Describedly determine carbon thermopair and the described described compensating wire of determining carbon positive terminal junction wears described insulation protection tube outward;
The described described compensating wire of determining carbon thermopair and described negative terminal junction wears described insulation protection tube outward.
A kind of thermometric crystal fixed carbon probe that the utility model provides is by by temperature thermocouple with determine carbon thermopair employing compensating wire and be connected, compared to existing technology, directly adopt copper binding post to connect, ensureing on the basis fast and accurately of test result, greatly reduce material cost, compensating wire is the form that is flexible coupling simultaneously, can reduce due to the sealing possibility that causes bleed-out not in place.Therefore, this thermometric crystal fixed carbon probe has not only ensured test result quick and precisely, improves the assembling capacity of whole device, and has reduced material cost.Be connected by adopting temperature thermocouple and determine the common negative pole of carbon thermopair and negative terminal, reduced the usage quantity of binding post, reduced the production cost installing.
Brief description of the drawings
Fig. 1 is the structural representation of the thermometric crystal fixed carbon probe that provides of the utility model embodiment.
Fig. 2 is the structure diagram of thermometric crystal fixed carbon probe of the prior art.
Fig. 3 is the structure diagram of the thermometric crystal fixed carbon probe that provides of the utility model embodiment.
Fig. 4 is the thermometric crystal fixed carbon probe compensating wire that provides of the utility model embodiment and the connection diagram of post assembly.
Embodiment
In order to understand the utility model in depth, below in conjunction with drawings and the specific embodiments, the utility model is elaborated.
Referring to accompanying drawing 1, the thermometric crystal fixed carbon probe that the utility model provides, comprising: temperature thermocouple 3, determine carbon thermopair 4, molten steel solidification crystallisation chamber, protection paper tube 6, tin hat 2 and paper cap 1; Molten steel solidification crystallisation chamber is arranged on protection paper tube 6 inside; The cold junction of temperature thermocouple 3 is fixed in molten steel solidification crystallisation chamber; Tin hat 2 and paper cap 1 coordinate with molten steel solidification crystallisation chamber temperature thermocouple 3 coverings; Determine carbon thermopair 4 and be arranged on molten steel solidification crystallization chamber; The cold junction of determining carbon thermopair 4 is fixed in molten steel solidification crystallisation chamber; This thermometric crystal fixed carbon probe also comprises: compensating wire 7, post assembly 5 and plastics connector; Plastics connector is arranged in protection paper tube 6; Plastics connector is fixed on molten steel solidification crystallisation chamber end; Post assembly 5 is connected on plastics connector; Temperature thermocouple 3 of the prior art and determine to adopt two long copper binding posts 8 to connect between carbon thermopair 4, i.e. hard connection, if because copper binding post 8 slightly seals the generation that is easy to cause bleed-out phenomenon not in place in assembling process, simultaneously, because the moulding process of copper binding post 8 is more complicated, so its material cost is higher; Hard anodal copper binding post 8 diameters that connect employing are 1.7mm.As a kind of preferred embodiment, the diameter of the compensating wire 7 that this thermometric crystal fixed carbon probe adopts is 1.0mm, be flexible coupling the compensating wire 7 that adopts and the cost of post assembly 5 only have hardwired copper binding post 8 cost 1/10, according to the production practices statistics of Wuhan Iron and Steel Plant, one block converter uses this thermometric crystal fixed carbon probe, compare and use probe of the prior art, in 1 year, reduce cost and reach 100,000 yuan.Meanwhile, this thermometric crystal fixed carbon probe adopts to be flexible coupling and greatly reduces due to the sealing possibility that causes bleed-out not in place.
Post assembly 5 comprises: temperature positive terminal 9, determine carbon positive terminal 11 and negative terminal 10; The cold junction positive pole of temperature thermocouple 3 is connected with temperature positive terminal 9 by compensating wire 7; The cold junction positive pole of determining carbon thermopair 4 by compensating wire 7 with determine carbon positive terminal 11 and be connected; Determine the cold junction negative pole of carbon thermopair 4 and the cold junction negative pole of temperature thermocouple 3 is connected with negative terminal 10 by compensating wire 7, form temperature thermocouple 3 with determine carbon thermopair 4 altogether negative pole be connected.Generally, plastics connector needs 4 contact points, and this thermometric crystal fixed carbon probe adopts temperature thermocouple 3 and determines carbon thermopair 4 negative pole connected mode altogether, cancels 1 connecting terminal, can greatly save production cost and simplify production routine.
This thermometric crystal fixed carbon probe has been done to 5 small-lot testings in Wuhan Iron and Steel Plant two refineries, respectively do the contrast test of 50 heats with the probe of available technology adopting hard connecting mode, test result shows, adopting the temperature of probe of hard connecting mode to survey into rate is 100%, and determining carbon, to survey into rate be 98%; The employing that the utility model provides is flexible coupling, and to survey into rate be 100% for the temperature of thermometric crystal fixed carbon probe of mode, and determining carbon, to survey into rate be 98%.Therefore, this thermometric crystal fixed carbon probe is applied to molten steel crystal and determine in the steel-making oxygen top-blown converter fast detecting process in carbon technique, bessemerizing the middle and later periods not under the state of falling stove, can carry out accurate detection fast to molten steel in stove.
Wherein, the outer insulation protection tube that wears of the compensating wire 7 of temperature thermocouple 3 and temperature positive terminal 9 junctions; The outer insulation protection tube that wears of compensating wire 7 of temperature thermocouple 3 and negative terminal 10 junctions; Determine carbon thermopair 4 and the outer insulation protection tube that wears of the compensating wire 7 of determining carbon positive terminal 11 junctions; Determine carbon thermopair 4 and wear insulation protection tube outward with the compensating wire 7 of negative terminal 10 junctions, insulation protection tube can prevent that compensating wire 7 from melting short circuit and cause probe failure and lost efficacy in molten steel.Temperature thermocouple 3 and determine the firm zero defect of cold junction solder joint of carbon thermopair 4, ensures that the Stability Analysis of Structures of compensating wire 7 tie points is reliable.
A kind of thermometric crystal fixed carbon probe that the utility model provides by by temperature thermocouple 3 with determine carbon thermopair 4 and adopt compensating wire 7 to be connected, compared to existing technology, directly adopt copper binding post 8 to connect, ensureing on the basis fast and accurately of test result, greatly reduce material cost, compensating wire 7 is the form that is flexible coupling simultaneously, can reduce due to the sealing possibility that causes bleed-out not in place.Therefore, this thermometric crystal fixed carbon probe has not only ensured test result quick and precisely, and compensating wire 7 itself have a larger flexibility, in the time of this thermometric crystal fixed carbon probe of assembling, can effectively improve assembling, and reduce material cost.Be connected by adopting temperature thermocouple 3 and determine the common negative pole of carbon thermopair 4 and negative terminal, reduced the usage quantity of binding post, reduced the production cost installing.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only embodiment of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. a thermometric crystal fixed carbon probe, comprising: temperature thermocouple (3), determine carbon thermopair (4), molten steel solidification crystallisation chamber, protection paper tube (6), tin hat (2) and paper cap (1); Described molten steel solidification crystallisation chamber is arranged on described protection paper tube (6) inside; The cold junction of described temperature thermocouple (3) is fixed in described molten steel solidification crystallisation chamber; Described tin hat (2) and paper cap (1) coordinate with molten steel solidification crystallisation chamber described temperature thermocouple (3) are hidden; Describedly determine carbon thermopair (4) and be arranged on described molten steel solidification crystallization chamber; The described cold junction of determining carbon thermopair (4) is fixed in described molten steel solidification crystallisation chamber; It is characterized in that, also comprise:
Compensating wire (7), post assembly (5) and plastics connector;
Described plastics connector is arranged in described protection paper tube (6); Described plastics connector is fixed on described molten steel solidification crystallisation chamber end;
Described post assembly (5) is connected on described plastics connector; Described post assembly (5) comprising: temperature positive terminal (9), determine carbon positive terminal (11) and negative terminal (10);
The cold junction positive pole of described temperature thermocouple (3) is connected with described temperature positive terminal (9) by described compensating wire (7);
The described cold junction of determining carbon thermopair (4) is anodal to be determined carbon positive terminal (11) and is connected with described by described compensating wire (7);
Describedly determine the cold junction negative pole of carbon thermopair (4) and the cold junction negative pole of temperature thermocouple (3) and be connected with described negative terminal (10) by described compensating wire (7), form described temperature thermocouple (3) and determine the common negative pole of carbon thermopair (4) and be connected.
2. thermometric crystal fixed carbon probe according to claim 1, is characterized in that:
The outer insulation protection tube that wears of described compensating wire (7) of described temperature thermocouple (3) and described temperature positive terminal (9) junction;
Outside the described compensating wire (7) of described temperature thermocouple (3) and described negative terminal (10) junction, wear described insulation protection tube;
Describedly determine carbon thermopair (4) and wear described insulation protection tube outward with the described described compensating wire (7) of determine carbon positive terminal (11) junction;
Outside the described described compensating wire (7) of determining carbon thermopair (4) and described negative terminal (10) junction, wear described insulation protection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435668.4U CN203981215U (en) | 2014-08-04 | 2014-08-04 | A kind of thermometric crystal fixed carbon probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435668.4U CN203981215U (en) | 2014-08-04 | 2014-08-04 | A kind of thermometric crystal fixed carbon probe |
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| Publication Number | Publication Date |
|---|---|
| CN203981215U true CN203981215U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420435668.4U Active CN203981215U (en) | 2014-08-04 | 2014-08-04 | A kind of thermometric crystal fixed carbon probe |
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| CN (1) | CN203981215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385804A (en) * | 2015-09-28 | 2016-03-09 | 武汉钢铁(集团)公司 | Integrated sand base and composite probe |
| CN114313301A (en) * | 2021-11-29 | 2022-04-12 | 中国航空工业集团公司沈阳飞机设计研究所 | Method for repairing thermocouple compensation lead on airplane |
-
2014
- 2014-08-04 CN CN201420435668.4U patent/CN203981215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385804A (en) * | 2015-09-28 | 2016-03-09 | 武汉钢铁(集团)公司 | Integrated sand base and composite probe |
| CN114313301A (en) * | 2021-11-29 | 2022-04-12 | 中国航空工业集团公司沈阳飞机设计研究所 | Method for repairing thermocouple compensation lead on airplane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN HUAFENG SENSING DEVICE CO., LTD. Free format text: FORMER OWNER: WUHAN IRON + STEEL (GROUP) CORP. Effective date: 20150611 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150611 Address after: 430223 C building, Wuhan hi tech Development Zone, Wuhan, Hubei, East Lake Patentee after: Wuhan Hua Feng senser element Co., Ltd Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 430080 Hubei City, Heilongjiang Province, Qingshan District, metallurgical street, No. 101, special street, No. 1, No. Patentee after: Wuhan Huafeng sensing technology Limited by Share Ltd Address before: 430223 C building, Wuhan hi tech Development Zone, Wuhan, Hubei, East Lake Patentee before: Wuhan Hua Feng senser element Co., Ltd |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430080 Block C, WISCO hi tech Industrial Park, Maodian Shanzhong Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Huafeng Sensor Technology Co.,Ltd. Address before: 430080 No.1, Yiyuan Street 101, Qingshan District, Wuhan City, Hubei Province Patentee before: WUHAN HUAFENG SENSING TECHNOLOGY Co.,Ltd. |