CN204461637U - A kind of thermocouple temperature measuring apparatus - Google Patents
A kind of thermocouple temperature measuring apparatus Download PDFInfo
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- CN204461637U CN204461637U CN201520138066.7U CN201520138066U CN204461637U CN 204461637 U CN204461637 U CN 204461637U CN 201520138066 U CN201520138066 U CN 201520138066U CN 204461637 U CN204461637 U CN 204461637U
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Abstract
The utility model discloses a kind of thermocouple temperature measuring apparatus for measuring coal burner wall temperature, comprise thermocouple temperature sensor and heat-conducting block, wherein, heat-conducting block is fixedly connected with the probe of thermocouple temperature sensor, and shutoff is opened in the through hole on coal burner housing.Compared with prior art, the heat-conducting block of this thermocouple temperature measuring apparatus is fixedly connected with the probe of thermocouple temperature sensor in advance, the through hole of coal burner housing is plugged in again with it, sealing combustion chamber is formed to be enclosed as the partial shell of coal burner and himself housing by heat-conducting block, so eliminate adjustment probe and thermometric blind hole relative position operation in prior art, simplify assembly technology.The more important thing is, probe to be fixedly connected with in advance with heat-conducting block and heat-conducting block as partial shell, can the true value of Real-time Obtaining coal burner case temperature, ensure that the accuracy of measurement result.
Description
Technical field
The utility model relates to coal burner wall temperature measurement technical field, particularly a kind of thermocouple temperature measuring apparatus.
Background technology
Coal burner put into operation in process, need the inner wall temperature of in real time monitoring coal burner, to ensure the safe operation of coal burner.
At present, the general actual temperature being measured coal burner inwall by thermocouple temperature sensor in real time, by control module, actual temperature is compared with design temperature again, finally according to the permission safe operating temperature that comparative result adjustment coal burner inner wall temperature extremely specifies.
As shown in Figure 1, particularly, the probe 1 ' of thermocouple temperature sensor is inserted in the thermometric blind hole 21 ' be opened on coal burner housing 2 ' periphery wall, and make its pop one's head in 1 with the wall temperature contacted with perception coal burner that offsets at the bottom of thermometric blind hole 21 ' hole, then be fixed by set nut and be installed on the upper outside end face of flange of coal burner.
But, due to thermocouple temperature sensor probe 1 ' for external diameter be the flexible pipe of about 3mm, and the distance at end to its locked position place is approximately 2000 ~ 3000mm.During installation, in order to ensure that probe contacts with offseting at the bottom of thermometric blind hole 21 ' hole, technician needs the relative position repeatedly adjusted between the two, and installation process wastes time and energy.
Nonetheless, due to the reason such as machining precision and alignment error in practical operation, cannot ensure that probe 1 ' contacts with offseting in real time at the bottom of thermometric blind hole 21 ' hole, such thermocouple temperature sensor cannot obtain the actual temperature of coal burner inwall, cause measurement result distortion and temperature control system was lost efficacy, the security incidents such as coal burner scaling loss blowing out may be caused.
In view of this, how simplifying the installation process of thermocouple temperature sensor and ensure probe and coal burner housing real-time contact, to ensure that thermocouple temperature sensor measures the accuracy of structure, is those skilled in the art's technical matterss urgently to be resolved hurrily.
Utility model content
For above-mentioned defect, core object of the present utility model is, a kind of thermocouple temperature measuring apparatus is provided, during to solve the test of existing thermocouple temperature sensor, its probe and coal burner housing real-time contact cannot be ensured and make the problem of test result distortion, simplifying the mounting process of thermocouple temperature sensor simultaneously.
In order to solve the problems of the technologies described above, a kind of thermocouple temperature measuring apparatus for measuring coal burner wall temperature provided by the utility model, comprise thermocouple temperature sensor and heat-conducting block, wherein, heat-conducting block is fixedly connected with the probe of thermocouple temperature sensor, and shutoff is opened in the through hole on coal burner housing.
Compared with prior art, the heat-conducting block of this thermocouple temperature measuring apparatus is fixedly connected with the probe of thermocouple temperature sensor in advance, the through hole of coal burner housing is plugged in again with it, sealing combustion chamber is formed to be enclosed as the partial shell of coal burner and himself housing by heat-conducting block, so eliminate adjustment probe and thermometric blind hole relative position operation in prior art, simplify assembly technology.The more important thing is, probe to be fixedly connected with in advance with heat-conducting block and heat-conducting block as partial shell, can the true value of Real-time Obtaining coal burner case temperature, ensure that the accuracy of measurement result.
Preferably, the outer face of described heat-conducting block offers thermometric blind hole, and described probe to be fixedly plugged in described blind hole and to contact with offseting at the bottom of hole.
Preferably, described probe is extended in the axial direction by the outer wall of described thermometric blind hole extension along coal burner after bending, and is fixedly connected with described coal burner.
Preferably, the bending angle of described probe is greater than 90 °.
Preferably, the inner face of described heat-conducting block is positioned at the inner wall outside of described coal burner and has predetermined safe distance between the two, weares and teares because coal dust washes away to prevent described heat-conducting block inner face.
Preferably, described predetermined safe distance is 1.5mm to 3mm.
Preferably, described heat-conducting block is specially high thermoconductivity heat-conducting block.
Preferably, also comprise probe protection pullover, described probe protection sleeve is sheathed on described probe and is fixedly connected with described heat-conducting block.
Preferably, also comprise support set, described support set is fixedly connected with described probe protection sleeve, and for limiting the shake of described probe relative to described probe protection sleeve.
Preferably, described probe protection sleeve and described heat-conducting block and described support set are all welded to connect.
Accompanying drawing explanation
Fig. 1 shows the partial structurtes schematic diagram of existing thermocouple temperature measuring apparatus and coal burner assembly;
Fig. 2 shows the concrete structure schematic diagram of thermocouple temperature measuring apparatus provided by the utility model;
Fig. 3 shows the partial structurtes schematic diagram of the device of thermocouple measurement shown in Fig. 2 and coal burner assembly;
Fig. 4 shows A place close-up schematic view in Fig. 3.
Corresponding relation in Fig. 1 between Reference numeral and all parts title:
1 ' probe, 2 ' housing, 21 ' thermometric blind hole.
Corresponding relation in Fig. 1 to Fig. 4 between Reference numeral and all parts title:
1 probe, 2 heat-conducting blocks, 3 probe protection sleeves, 4 support sets, 5 housings.
Embodiment
Core of the present utility model is, a kind of New-type thermocouple temperature measuring equipment is provided, to ensure that thermocouple temperature sensor probe is fixed with coal burner relative position, thus ensures the accuracy of its test result, meanwhile, the mounting process of thermocouple temperature sensor is simplified.
Now in conjunction with Figure of description, describe concrete structure and the operating process thereof of thermo-electric couple temperature measuring apparatus provided by the utility model in detail.It should be noted that, the noun of locality " interior " adopted when stating heat-conducting block herein and " outward " are with the burning chamber of coal burner for benchmark sets, and heat-conducting block in burning chamber side is, otherwise is outward away from burning chamber side.
Refer to Fig. 2 and Fig. 3, wherein, Fig. 2 shows the structural representation of thermocouple temperature measuring apparatus embodiment provided by the utility model, and Fig. 3 shows the partial structurtes schematic diagram of the device of thermocouple measurement shown in Fig. 2 and coal burner assembly.
Known see Fig. 2, thermocouple temperature measuring apparatus that this embodiment provides comprises thermocouple temperature sensor and heat-conducting block 2, wherein, the housing 5 of coal burner offers the through hole be communicated with its burning chamber, heat-conducting block 2 to be plugged in this through hole and to be welded and fixed with the housing 5 of coal burner and is connected, also namely heat-conducting block 2 carrys out this through hole of shutoff as coal burner partial shell, and enclosing with the housing 5 of coal burner the burning chamber being formed and seal, the probe 1 of thermocouple temperature sensor is welded and fixed to be connected on heat-conducting block 2 and to offset with heat-conducting block 2 and contacts.
The probe of thermocouple temperature sensor please continue see Fig. 2 with the mode that is specifically fixedly connected with of heat-conducting block, heat-conducting block 2 offers thermometric blind hole, the probe 1 of thermocouple temperature sensor to insert in this thermometric blind hole and contacts with offseting at the bottom of the rough emptying aperture of thermometric, and the outer face of pop one's head in 1 periphery wall and heat-conducting block 2 is welded to connect.
The assembling technology procedure of thermocouple temperature measuring apparatus is: first, offers thermometric blind hole at heat-conducting block 2, to be inserted by the probe 1 of thermocouple temperature sensor in thermometric blind hole and to make it contact with offseting at the bottom of hole, both are being welded and fixed connection; Secondly, heat-conducting block 2 to be plugged in the through hole on coal burner housing 5 and to be welded to connect with housing 5; Finally, the probe of thermocouple temperature sensor is axially extended to flange along housing periphery wall, then is lock onto on the flange of coal burner by set nut.For the ease of the concrete structure of thermocouple temperature sensor and the assembly technology with coal burner thereof, please also refer to Fig. 4, the figure shows A place close-up schematic view in Fig. 3.
As described in the background art, in prior art coal burner outer wall on directly offer thermometric blind hole, thermocouple temperature sensor probe 1 inserts thermometric blind hole and adjusts it again with offseting at the bottom of hole and contact, and finally fixes thermocouple temperature sensor again.
Obviously, compared with prior art, the heat-conducting block 2 of this thermocouple temperature measuring apparatus is fixedly connected with the probe 1 of thermocouple temperature sensor in advance, the through hole of coal burner housing 5 is plugged in again with it, sealing combustion chamber is formed to be enclosed as the partial shell of coal burner and himself housing by heat-conducting block 2, so eliminate in prior art and adjust probe 1 and thermometric blind hole relative position operation, simplify assembly technology.The more important thing is, probe 1 to be fixedly connected with in advance with heat-conducting block 2 and heat-conducting block 2 as partial shell, can the true value of Real-time Obtaining coal burner case temperature, ensure that the accuracy of measurement result.
In addition, as previously mentioned, probe 1 is plugged in the thermometric blind hole of heat-conducting block 2, and contacts with offseting at the bottom of thermometric hole, and the outer face of its periphery wall and heat-conducting block 2 is welded to connect.Like this, can ensure on the one hand the contact area of probe 1 and heat-conducting block 2, being directly welded to connect again first by thermometric blind hole positioning probe 1 and thermal hole during installation, without the need to artificial or tool locating, thus simplifies welding technology; On the other hand, compared with probe 1 being directly fixedly connected on the outer face of heat-conducting block 2, adopt mounting means in this embodiment can shorten distance between probe 1 test point and housing 5 inwall, so can response time of shortening heat thermocouple sensor, also can reduce coal burner installation environment temperature to the impact of test result simultaneously, thus can measuring accuracy be improved.
Further, in order to prevent high temperature coal dust in the burning chamber of coal burner, its wearing and tearing are caused to washing away of heat-conducting block 2, as shown in Figure 4, in this programme, the inner face of heat-conducting block 2 is positioned at coal burner inner wall outside and keeps predetermined safe distance between the two, this predetermined safe distance is 1.5mm (millimeter) to 3mm (millimeter) under normal circumstances, the best results when predetermined safe distance is 2mm (millimeter).Can ensure that heat-conducting block 2 temperature and inner wall temperature are consistent substantially like this, also can reduce the erosive wear of coal dust to heat-conducting block 2, extend its serviceable life.In addition, when heat-conducting block 2 and coal burner are welded to connect, using the inner face of heat-conducting block 2 with install the madial wall of through hole as face of weld, welding technology can be simplified.
Continue known see Fig. 2, the probe 1 of thermocouple temperature sensor extends to through flange along coal burner periphery wall after bending in the axial direction by after thermometric blind hole, and is locked by set nut and is connected on coal burner.
The section of stretching out of thermocouple temperature sensor is arranged along coal burner periphery wall, and connection and reasonable arrangement is compact, takies installing space little, can prevent it from interferenceing with other equipment outside simultaneously.Be appreciated that according to erecting stage physical condition, those skilled in the art can be adjusted its arrangement on the basis that satisfied employing thermocouple temperature sensor measures coal burner inner wall temperature function, processing and assembly technology requirement.
Particularly, in view of the probe 1 bending process of thermocouple temperature sensor, in order to prevent bending part from making the bending of probe 1 build-in test circuit impaired because amount of deflection is excessive, 1 bending angle of popping one's head in is more preferably greater than 90 degree.
Further; as shown in Figure 2; thermo-electric couple temperature measuring apparatus also comprises probe protection sleeve 3; Single port and the heat-conducting block 2 of this probe protection sleeve 3 are welded to connect; another port and support set 4 are welded to connect; one end of the probe 1 of thermocouple temperature sensor extends through probe 1 protective casing by thermometric blind hole and runs through support set 4, and extends to flange along the periphery wall of coal burner in the axial direction and be fixedly connected with.
Concrete assembling process is; heat-conducting block 2 has the location shaft part suitable with probe protection sleeve 3 endoporus; during installation; first probe protection sleeve 3 is sheathed on this shaft part location, location; at promotion probe protection sleeve 3, the face of weld of its end face and heat-conducting block 2 is offseted, finally by welding gear, both are welded to connect.Equally; support set 4 is also provided with the location shaft part suitable with probe protection sleeve 3 endoporus; during installation; first probe protection sleeve 3 is sheathed on this shaft part location, location; at promotion probe protection sleeve 3, the face of weld of its end face and support set 4 is offseted, finally by welding gear, both are welded to connect.
As previously mentioned, in this programme, probe protection sleeve 3 is all welded to connect with heat-conducting block 2 and support set 4, is appreciated that compared with traditional thread connecting mode, is welded to connect, low cost of manufacture simple to connecting component structure.Certainly, be fixedly connected with support set 4 with heat-conducting block 2 at satisfied probe 1 protection sleeve, process and assembly technology requirement basis on, bonding, the mode such as to be threaded also can be adopted between two coupling assemblings to connect.
It should be noted that, in this programme, the effect of probe protection sleeve is, protection probe 1 exempts from external impact impact loading, and dust etc. also can be prevented in coal burner working environment to be attached to probe 1 outer wall and to reduce its measuring accuracy simultaneously.
In addition, because in this programme, the thermocouple temperature sensor probe periphery wall of 1 and the outer face of heat-conducting block 2 are welded to connect, consider based on welding technology, between probe protection sleeve inwall and probe 1 periphery wall, there is tolerance clearance, such coal burner is operationally because of under equipment vibrations and fan action, probe 1 is very easily shaken and is scratched with the sharp edges of probe protection sleeve 3 and damage in probe protection sleeve 3, based on this, above-mentioned support set is provided with in this programme, 1 is popped one's head in relative to the shake of probe protection sleeve 3 in mode, prevent the problem that scratches from occurring, to extend its serviceable life.
Finally, it should be noted that, in order to the shortening heat galvanic couple temperature sensor response time, improve its measuring accuracy, in this programme, heat-conducting block 2 is high hot cell transmission rate metal heat-conducting block, is specially stainless steel heat-conducting block.Be appreciated that and meeting the mounting hole of shutoff coal burner to simulate its partial shell 5, and stationary heat galvanic couple temperature sensor functionality, processing and assembly technology require that on basis, heat-conducting block 2 also can adopt other high hot cell transmission rate metal materials to make.
In addition; in view of probe protection sleeve 3 and heat-conducting block 2 and support set are all welded to connect; in order to simplify welding technology; improve and be welded to connect intensity; in this programme, probe protection sleeve 3, heat-conducting block 2 and support set three all adopt identical material to make; in other words, probe protection sleeve 3, heat-conducting block 2 and support set are made by stainless steel.
The foregoing is only preferred implementation of the present utility model, do not form the restriction to the utility model protection domain.Any do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within claims of the present utility model.
Claims (10)
1. a thermocouple temperature measuring apparatus, for measuring the wall temperature of coal burner, comprise thermocouple temperature sensor, it is characterized in that, also comprise heat-conducting block (2), described heat-conducting block (2) is fixedly connected with the probe (1) of described thermocouple temperature sensor, and shutoff is opened in the through hole of described coal burner housing (5).
2. thermocouple temperature measuring apparatus as claimed in claim 1, it is characterized in that, the outer face of described heat-conducting block (2) offers thermometric blind hole, and it is interior and contact with offseting at the bottom of its hole that described probe (1) fixedly is plugged in described thermometric blind hole.
3. thermocouple temperature measuring apparatus as claimed in claim 2, it is characterized in that, described probe (1) is extended along coal burner outer wall after bending in the axial direction by described thermometric blind hole extension, and is fixedly connected with described coal burner.
4. thermocouple temperature measuring apparatus as claimed in claim 3, it is characterized in that, the bending angle of described probe (1) is greater than 90 °.
5. the thermocouple temperature measuring apparatus according to any one of Claims 1-4, it is characterized in that, the inner face of described heat-conducting block (2) is positioned at the inner wall outside of described coal burner and has predetermined safe distance between the two, weares and teares because coal dust washes away to prevent described heat-conducting block (2) inner face.
6. thermocouple temperature measuring apparatus as claimed in claim 5, it is characterized in that, described predetermined safe distance is 1.5mm to 3mm.
7. thermocouple temperature measuring apparatus as claimed in claim 5, it is characterized in that, described heat-conducting block (2) is specially high thermoconductivity heat-conducting block.
8. thermocouple temperature measuring apparatus as claimed in claim 5; it is characterized in that; also comprise probe protection sleeve (3), described probe protection sleeve (3) is sheathed on described probe (1) and is fixedly connected with described heat-conducting block (2).
9. thermocouple temperature measuring apparatus as claimed in claim 8; it is characterized in that; also comprise support set (4); described support set (4) is fixedly connected with described probe protection sleeve (3), and for limiting the shake of described probe (1) relative to described probe protection sleeve (3).
10. thermocouple temperature measuring apparatus as claimed in claim 9, is characterized in that, described probe protection sleeve (3) is all welded to connect with described heat-conducting block (2) and described support set (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520138066.7U CN204461637U (en) | 2015-03-11 | 2015-03-11 | A kind of thermocouple temperature measuring apparatus |
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| CN201520138066.7U CN204461637U (en) | 2015-03-11 | 2015-03-11 | A kind of thermocouple temperature measuring apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105642828A (en) * | 2016-01-11 | 2016-06-08 | 共享装备股份有限公司 | Cavity body and casting temperature measuring method for in-cavity ageing |
| CN107884097A (en) * | 2017-11-22 | 2018-04-06 | 西安航天动力研究所 | A kind of short thermoelectric couple calibration system |
| CN108387320A (en) * | 2018-02-08 | 2018-08-10 | 北京航空航天大学 | A kind of permanent mold casting quick response temperature thermocouple |
| CN108414106A (en) * | 2018-02-08 | 2018-08-17 | 北京航空航天大学 | A kind of casting mould quick response temperature thermocouple |
| CN112945408A (en) * | 2021-02-19 | 2021-06-11 | 山东英信计算机技术有限公司 | Temperature sensor, printed circuit board and server |
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2015
- 2015-03-11 CN CN201520138066.7U patent/CN204461637U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642828A (en) * | 2016-01-11 | 2016-06-08 | 共享装备股份有限公司 | Cavity body and casting temperature measuring method for in-cavity ageing |
| CN105642828B (en) * | 2016-01-11 | 2017-12-26 | 共享装备股份有限公司 | The casting temp measuring method of timeliness in cavity and type |
| CN107884097A (en) * | 2017-11-22 | 2018-04-06 | 西安航天动力研究所 | A kind of short thermoelectric couple calibration system |
| CN107884097B (en) * | 2017-11-22 | 2023-08-25 | 西安航天动力研究所 | Short thermocouple calibration system |
| CN108387320A (en) * | 2018-02-08 | 2018-08-10 | 北京航空航天大学 | A kind of permanent mold casting quick response temperature thermocouple |
| CN108414106A (en) * | 2018-02-08 | 2018-08-17 | 北京航空航天大学 | A kind of casting mould quick response temperature thermocouple |
| CN108414106B (en) * | 2018-02-08 | 2019-07-12 | 北京航空航天大学 | A kind of casting mould quick response temperature thermocouple |
| CN112945408A (en) * | 2021-02-19 | 2021-06-11 | 山东英信计算机技术有限公司 | Temperature sensor, printed circuit board and server |
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