CN202075054U - Pressure contact type temperature measuring device of thermocouple - Google Patents
Pressure contact type temperature measuring device of thermocouple Download PDFInfo
- Publication number
- CN202075054U CN202075054U CN2011201898377U CN201120189837U CN202075054U CN 202075054 U CN202075054 U CN 202075054U CN 2011201898377 U CN2011201898377 U CN 2011201898377U CN 201120189837 U CN201120189837 U CN 201120189837U CN 202075054 U CN202075054 U CN 202075054U
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- temperature measuring
- pressure head
- hollow
- pressing head
- thermocouple
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Abstract
The utility model discloses a pressure contact type temperature measuring device of a thermocouple, which is simple to operate and reliable to use. The temperature measuring device comprises a thermocouple and a pressing device used for maintaining the working end of the thermocouple to be closely contacted with the surface of an object to be measured. The pressing device comprises a hollow piece fixed with a corresponding position of the surface of the object to be measured. The hollow portion of the hollow piece is provided with an adjusting piece and a pressing head, the adjusting piece is connected with the hollow piece in threaded mode, the pressing head protrudes out from the other end of the hollow piece, and the adjusting piece provides pressure of a protruding end of the pressing head on the working end of the thermocouple. Further, an elastic body is arranged between the adjusting piece and the pressing head. The protruding end of the pressing head is provided with a shallow round recessed groove for holding the working end of the thermocouple. The pressing head is made of hard thermal insulation materials. The hollow piece is in a shape of a cylinder, and the containing pressing head end of the hollow piece is provided with a contracting opening. Correspondingly, one end of the pressing head arranged on the hollow portion is provided with a circumferential flange used for preventing the pressing head from fully dropping.
Description
Technical field
The utility model relates to a kind of thermocouple temperature measuring apparatus, particularly a kind of press contact thermocouple temperature measuring apparatus.
Background technology
Thermopair is a temperature element commonly used in the temperature measuring instrument, is that tinsel two ends by two kinds of heterogeneities engage and constitute the loop.When using thermocouple temperature measurement, the working end of thermopair is contacted with object to be measured, utilize the Seebeck effect of thermopair that the temperature difference of working end and reference end is converted to thermopower, send Displaying Meter to.
When measuring the solid work piece surface temperature, for guaranteeing that thermopair is reliable, steady operation, generally use spot welder temperature thermocouple silk direct spot welding at solid surface.But material for some weldability differences, as aluminium, aluminium alloy, pottery etc., the spot welding thermopair is difficulty relatively, and causes thermopair to come off from solid work piece surface because of the difference of expansion coefficient and the variation of solid material composition in the heating process, is difficult to realize the measurement to temperature.
Granted publication number is a kind of guided missile high speed thermal shock test pottery bullet surface transient temperature measuring apparatus for the Chinese utility model patent of CN 2529225 Y discloses, its thermopair leading portion bow is lain prone at ceramic bullet surface, the working end point of thermopair is welded into round bead shape temperature-sensitive portion and is limited in the shallow circular groove of ceramic bullet surface, the thermopair of arcuate ends is fixed on the ceramic surface by high-temp glue and compressing tablet, the arch portion place of thermopair is provided with flexure strip, its partial fixing is at ceramic surface, part perk and elasticity are pushed down the thermopair arch portion, fully contact with ceramic bullet surface with the working end that guarantees thermopair.From technique scheme as can be seen, the working end of thermopair and ceramic bullet surface fixedly be not to be the working end that directly power is applied to thermopair to the arch portion applied pressure of thermopair by flexure strip, this structure makes thermopair must curve certain shape, and thermocouple temperature measurement complicated operating process, reliability are not high.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple to operate, service-strong press contact thermocouple temperature measuring apparatus.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A kind of press contact thermocouple temperature measuring apparatus, comprise thermopair and the hold down gag that keeps this thermopair working end and object under test surface closely to contact, described hold down gag comprises and the fixing hollow object of described object under test surface relative position, this hollow object hollow part is provided with regulating part and pressure head, this regulating part is threaded with hollow object, pressure head stretches out from the hollow object other end, provides the pressure of pressure head external part to the thermopair working end by regulating part.
Further, be provided with elastic body between described regulating part and the pressure head.
Preferably, described elastic body is a spring.
Further, described pressure head external part is provided with the shallow circular pit of admitting described thermopair working end.
Further, described pressure head adopts hard insulating material.
Preferably, described hard insulating material is a pottery.
Further, described hollow object is a tubular article, and it holds the pressure head end and has reducing, and corresponding, the end that pressure head is positioned at hollow part has the side face flange that prevents that pressure head from all deviating from.
Further, described tubular article is connected with work top by web member.
Preferably, described regulating part is for screwing spanner.
The utility model is pressed on the object under test surface by the working end of pressure head with thermopair, the pressure of pressure head obtains by the helical rotation of regulating part and hollow object, pressure head provides the working end of thermopair reliably to contact with the object under test surface with suitable contact force, thus the temperature of reliable measurements object under test.Compare with prior art, the utility model is simple to operate, and is easy to use, and thermometric is reliable, the temperature survey in the time of can being widely used in the solid work heating.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Fig. 1 is a structural representation of the present utility model.
Temperature curve when Fig. 2 heats for the aluminium row who records by the utility model and the comparison of the temperature curve that records by the spot welding mode.
Among the figure: 1 pressure head, 2 tubular hollow object, 3 screw spanner, 4 springs, 5 Displaying Meters, 6 thermopairs, 7 aluminium row, 8 web members.
Embodiment
Connotation of the present utility model is by pressure head the thermopair working end directly to be pressed in the object under test surface, thereby has eliminated thermocouple temperature measurement complicated operating process in the prior art, the defective that reliability is not high.Pressure head is that rotation by regulating part obtains to the thermopair working end application of force.
Below in conjunction with embodiment and the corresponding accompanying drawing elaboration concrete to connotation of the present utility model, the object under test in the present embodiment is elected aluminium row 7 as, and certainly, object under test also can be some materials as weldability differences such as aluminium alloy, potteries.
Fig. 1 shows structural representation of the present utility model, cut-open view specifically.Can find out clearly that from figure a kind of press contact thermocouple temperature measuring apparatus comprises tubular hollow object 2.Tubular hollow object 2 is connected with work top (not shown) by web member 8, arranges 7 relative positions and fixes to guarantee tubular hollow object 2 and aluminium.Here it is pointed out that work top can be a workpiece itself, hollow object can be other hollow object with hollow part.Tubular hollow object 2 hollow parts are provided with in turn and screw spanner 3, spring 4 and pressure head 1.Screw spanner 3 and tubular hollow object 2 thread connection, pressure head 1 stretches out from tubular hollow object 2 other ends, and spring 4 is screwing between spanner 3 and the pressure head 1.Screw spanner 3 by rotation, can regulate and keep the pressure of 1 pair of thermopair 6 working end of pressure head, and then provide the working end of thermopair 6 reliably to contact with aluminium row 7 with suitable contact force.The spanner 3 that screws here is a kind of of regulating part, mainly is to hold for the ease of free-hand twisting.Regulating part can also be and structures such as the double-screw bolt of tubular hollow object 2 thread connection, bolt.The spring 4 here also can adopt other elastic body, mainly is in order to guarantee that still making pressure head 1 that thermopair 6 working ends are pressed in aluminium closely arranges on 7 surfaces under aluminium row 7 is expanded with heat and contract with cold situation.From above-mentioned effect as can be seen, also spring 4 can be set, will screw spanner 3 and directly contact, also lose this effect simultaneously with pressure head 1.The pressure head 1 preferred hard insulating material that adopts better adopts stupalith, and the heat radiation in the time of can avoiding thermometric guarantees the thermometric degree of accuracy.Because the working end of thermopair 6 is round bead shape usually, for the ease of admitting the working end of thermopair 6, the external part of pressure head 1 is provided with shallow circular pit.In order to make pressure head 1 be unlikely to skid off tubular hollow object 2, specially be provided with a kind of position limiting structure, promptly hold the pressure head end in tubular hollow object 2 reducing is set, corresponding, the end that pressure head 1 is positioned at tubular hollow object 2 hollow parts has the side face flange that prevents that pressure head 1 from all deviating from from tubular hollow object 2.In addition, the thermopair 6 common and supporting uses of Displaying Meter 5, recorder or electronic controller.
When using the utility model thermometric, thermopair 6 working ends are placed the shallow circular groove of pressure head 1, and be installed in workpiece temperature place to be measured, the web member 8 of tubular hollow object 2 is connected with the workpiece table top, turn screws pulls, 3, thermopair 6 closely can be contacted with aluminium row 7 surfaces by spring 4, pressure head 1, thus the reliable measurements workpiece temperature.The temperature curve that temperature curve when as shown in Figure 2, utilizing the utility model to record aluminium row 7 heating and spot welding mode record is basic identical.
Need to prove; protection domain of the present utility model is not limited in the concrete structure among this embodiment; those skilled in the art can be after the spirit of understanding this patent and principle changes or revises it and reach equivalent purpose; and this equivalence change and modification all should be covered by the claim scope and define in the category.
Claims (9)
1. press contact thermocouple temperature measuring apparatus, comprise thermopair and the hold down gag that keeps this thermopair working end and object under test surface closely to contact, it is characterized in that: described hold down gag comprises and the fixing hollow object of described object under test surface relative position, this hollow object hollow part is provided with regulating part and pressure head, this regulating part is threaded with hollow object, pressure head stretches out from the hollow object other end, provides the pressure of pressure head external part to the thermopair working end by regulating part.
2. temperature measuring equipment according to claim 1 is characterized in that: be provided with elastic body between described regulating part and the pressure head.
3. temperature measuring equipment according to claim 2 is characterized in that: described elastic body is a spring.
4. according to claim 1,2 or 3 described temperature measuring equipments, it is characterized in that: described pressure head external part is provided with the shallow circular pit of admitting described thermopair working end.
5. according to claim 1,2 or 3 described temperature measuring equipments, it is characterized in that: described pressure head adopts hard insulating material.
6. temperature measuring equipment according to claim 5 is characterized in that: described hard insulating material is pottery.
7. according to claim 1,2 or 3 described temperature measuring equipments, it is characterized in that: described hollow object is a tubular article, and it holds the pressure head end and has reducing, and corresponding, the end that pressure head is positioned at hollow part has the side face flange that prevents that pressure head from all deviating from.
8. temperature measuring equipment according to claim 7 is characterized in that: described tubular article is connected with work top by web member.
9. according to claim 1,2 or 3 described temperature measuring equipments, it is characterized in that: described regulating part is for screwing spanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201898377U CN202075054U (en) | 2011-06-08 | 2011-06-08 | Pressure contact type temperature measuring device of thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201898377U CN202075054U (en) | 2011-06-08 | 2011-06-08 | Pressure contact type temperature measuring device of thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202075054U true CN202075054U (en) | 2011-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201898377U Expired - Fee Related CN202075054U (en) | 2011-06-08 | 2011-06-08 | Pressure contact type temperature measuring device of thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202075054U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661815A (en) * | 2012-05-15 | 2012-09-12 | 苏州大学 | Non-fixed contact type thermocouple |
| CN113566994A (en) * | 2021-07-08 | 2021-10-29 | 中国航发湖南动力机械研究所 | Bearing temperature measuring device |
| CN114623946A (en) * | 2022-03-11 | 2022-06-14 | 苏州热工研究院有限公司 | Thermoelectric potential probe |
-
2011
- 2011-06-08 CN CN2011201898377U patent/CN202075054U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661815A (en) * | 2012-05-15 | 2012-09-12 | 苏州大学 | Non-fixed contact type thermocouple |
| CN102661815B (en) * | 2012-05-15 | 2014-04-30 | 苏州大学 | Non-fixed contact type thermocouple |
| CN113566994A (en) * | 2021-07-08 | 2021-10-29 | 中国航发湖南动力机械研究所 | Bearing temperature measuring device |
| CN114623946A (en) * | 2022-03-11 | 2022-06-14 | 苏州热工研究院有限公司 | Thermoelectric potential probe |
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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: SHANDONG RESEARCH INST. OF ELECTRIC POWER Effective date: 20130510 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: SHANDONG RESEARCH INST. OF ELECTRIC POWER Effective date: 20130510 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250002 JINAN, SHANDONG PROVINCE TO: 100000 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130510 Address after: 100000 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Shandong Research Inst. of Electric Power Address before: 250002 Ji'nan City Central District, Shandong, No. 2 South Road, No. 500 Patentee before: Shandong Research Inst. of Electric Power |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20180608 |