CN105333969A - Temperature measuring device - Google Patents
Temperature measuring device Download PDFInfo
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- CN105333969A CN105333969A CN201510884864.9A CN201510884864A CN105333969A CN 105333969 A CN105333969 A CN 105333969A CN 201510884864 A CN201510884864 A CN 201510884864A CN 105333969 A CN105333969 A CN 105333969A
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- temperature measuring
- measuring staff
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- pressing plate
- joint
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Abstract
The invention discloses a temperature measuring device and relates to the technical field of temperature measurement. The device comprises an adjusting rod, a hollow temperature measurement rod, a press plate and a connector, wherein a thermocouple is installed inside the temperature measurement rod, the temperature measurement rod is fixedly connected with the press plate, and the adjusting rod penetrates through the press plate and is used for supporting the press plate and limiting the movement of the press plate; the connector is installed on a container of liquid to be measured, a measurement rod through hole allowing the temperature measurement rod to pass through is formed in the connector so that one end of the temperature measurement rod can make contact with the liquid to be measured, a sealing part is arranged at the end, making contact with the container of the liquid to be measured, of the measurement rod through hole and is used for sealing the binding face of the connector and the container of the liquid to be measured, and a sealing device used for sealing the connector and the temperature measurement rod is arranged at the other end of the measurement rod through hole; the adjusting rod is installed on the connector, and the temperature measurement rod is driven to move by moving the press plate. The device has the advantages that temperature measurement is achieved under high temperature and high pressure, and the measurement position is adjustable.
Description
Technical field
The present invention relates to technical field of temperature measurement, be specifically related to a kind of temperature measuring equipment.
Background technology
In the field high temperature and pressure tests such as machinery, petrochemical complex, Aero-Space, bioengineering, need measure ultrahigh pressure vessel internal temperature, therefore need to design a kind of temperature measuring equipment, can meet: (1) high temperature high voltage resistant (200 DEG C, 250MPa) simultaneously, (2) measuring position real-time, tunable, (3) can realize measuring-signal to lead to (normal temperature and pressure environment) container from (high temperature and high pressure environment) in container.Domestic and international existing temperature measuring equipment, its measuring position is unadjustable; And the signal transfer function do not had under superhigh pressure difference operating mode.
Summary of the invention
The object of this invention is to provide a kind of temperature measuring equipment, to solve or at least to alleviate the problem at least one place existing in background technology.
Technical scheme of the present invention is: provide a kind of temperature measuring equipment, comprise adjuster bar; Temperature measuring staff, described temperature measuring staff is hollow structure, and inside is provided with thermopair; Pressing plate; Described temperature measuring staff is fixedly connected with described pressing plate, and described adjuster bar is through described pressing plate, and adjuster bar is for supporting pressing plate and limiting the movement of pressing plate; Joint, described jiont treatment is on fluid to be measured container, joint is provided with the measuring staff through hole for making described temperature measuring staff pass, make the end thereof contacts fluid to be measured of temperature measuring staff, one end that described measuring staff through hole contacts with described fluid to be measured container is provided with seal, for the binding face of sealing adaptor and fluid to be measured container, the other end of described measuring staff through hole is provided with the packoff for sealing adaptor and temperature measuring staff; Described adjuster bar is arranged on described joint; By moving press plate band dynamic temperature measuring staff shift position.
Preferably, described seal is pad, and described pad is circular, and its center is provided with through hole, is symmetrically arranged with circular cone in the axial both ends of the surface of pad, and the axial width of pad increases progressively to central through hole place from outward flange on the cross section that it crosses center.
Preferably, described joint is provided with pad mounting groove, described pad mounting groove is provided with seamed edge, described seamed edge is for compressing the circular cone of described pad.
Preferably, described seamed edge is provided with rounding, and fillet size is R0.2 ~ R0.5.
Preferably, described packoff comprises gland, red copper pad and special-shaped teflon gasket, and described special-shaped teflon gasket is compressed by described red copper pad by described gland.
Preferably, described teflon gasket comprises evagination halfbody and indent halfbody, and described evagination halfbody and described indent half mates.
Preferably, the described external diameter of temperature measuring staff and the ratio of internal diameter are greater than 1.1.
Preferably, one end that described temperature measuring staff gos deep into fluid to be measured container is set to spherical end surface.
Preferably, described adjuster bar is set to screw rod, and screw rod is provided with two, and one end of described screw rod is connected with described joint screw thread, and screw rod is provided with nut, and described nut is for limiting the position of described pressing plate.
Preferably, described adjuster bar arranges and comprises spiro rod section and cylindrical section two parts, and the diameter of described cylindrical section is greater than the diameter of screw of described spiro rod section, and thread segment is through described pressing plate, and thread segment is connected with described joint screw thread away from the end of cylindrical section.
Beneficial effect of the present invention: in temperature measuring equipment of the present invention, temperature measuring staff is hollow structure, and its inside is provided with thermopair, temperature measuring staff gos deep into contacting with fluid to be measured in fluid to be measured container by joint, achieves the temperature survey under high-temperature and high-pressure conditions.
Temperature measuring staff is fixedly connected with pressing plate, can be with dynamic temperature measuring staff shift position, achieve the adjustable of measuring position by moving press plate.
Be provided with pad between the faying face of joint and fluid to be measured container, and joint be provided with pad mounting groove, in described pad mounting groove, be provided with seamed edge, be pressed on by described seamed edge on the end face of described pad, form linear sealing, can liquid high pressure be born.
Described seamed edge arranges the fillet of R0.2 ~ R0.5, and the mating surface on pad damages by pressure by the sharp limit that can not be formed because of seamed edge.
Teflon gasket can high temperature high voltage resistant, and red copper pad is metal sealing, and material is softer, stressed rear easy deformable seal, good sealing effect.
Temperature measuring staff designs according to thick cyclinder, and the ratio of its external diameter and internal diameter is greater than 1.1, can bear the high pressure of fluid to be measured.
One end that temperature measuring staff gos deep into fluid to be measured container is set to spherical end surface, the axial force that the high pressure that farthest can reduce fluid to be measured produces temperature measuring staff.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of temperature measuring equipment one embodiment of the present invention;
Fig. 2 is the pad of the temperature measuring equipment shown in Fig. 1 and the sealing schematic diagram of joint;
Fig. 3 is the sealing schematic diagram of the temperature measuring staff of the temperature measuring equipment shown in Fig. 1.
Wherein: 1-adjuster bar, 2-temperature measuring staff, 3-pressing plate, 4-gland, 5-joint, 51-seamed edge, 6-red copper pad, 7-teflon gasket, 8-pad.
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
As shown in Figure 1 to Figure 3, a kind of temperature measuring equipment, comprises adjuster bar 1; Temperature measuring staff 2, temperature measuring staff 2 is hollow structure, and inside is provided with thermopair; Pressing plate 3; Temperature measuring staff 2 is fixedly connected with pressing plate 3, and adjuster bar 1 is through pressing plate 3, and adjuster bar 1 is for supporting pressing plate 3 and limiting the movement of pressing plate 3; Joint 5, joint 5 is arranged on fluid to be measured container, joint 5 is provided with the measuring staff through hole for making temperature measuring staff 2 pass, make the end thereof contacts fluid to be measured of temperature measuring staff 2, one end that measuring staff through hole contacts with described fluid to be measured container is provided with seal, for the binding face of sealing adaptor 5 with fluid to be measured container, the other end of measuring staff through hole is provided with for the packoff of sealing adaptor 5 with temperature measuring staff 2; Adjuster bar 1 is arranged on joint 5; Dynamic temperature measuring staff 2 shift position is with by moving press plate 3.
In the present embodiment, joint 5 is fixedly connected with fluid to be measured container by screw thread.
In temperature measuring equipment of the present invention, temperature measuring staff 2 is hollow structure, and its inside is provided with thermopair, and temperature measuring staff 2 gos deep into contacting with fluid to be measured in fluid to be measured container by joint, achieves the temperature survey under high-temperature and high-pressure conditions.
Temperature measuring staff 2 is fixedly connected with pressing plate 3, can be with dynamic temperature measuring staff 2 shift position, achieve the adjustable of measuring position by moving press plate 3.
Temperature-measuring element selects thermopair, and its advantage is, thermocouple measuring temperature scope is comparatively wide, and anti shock and vibration is good, is more suitable for dangerous rugged environment.Response is fast, because their volume is little, thermal capacity is low, and thermopair is fast to temperature variation response, especially when induced junction chalaza is exposed, can make response in hundreds of millisecond to temperature variation.Because thermopair does not need excitation power supply, therefore not easily spontaneous heating, uses safer.
In the present embodiment, described seal is pad 8, and pad 8 is circular, and its center is provided with through hole, is symmetrically arranged with circular cone in the axial both ends of the surface of pad 8, and the axial width of pad 8 increases progressively to central through hole place from outward flange on the cross section that it crosses center.
In the present embodiment, joint 5 is provided with pad mounting groove, described pad mounting groove is provided with seamed edge 51, described seamed edge 51 is for compressing the circular cone of described pad 8.Be pressed on the end face of described pad by described seamed edge 51, form linear sealing.
In the present embodiment, described seamed edge is provided with rounding, and fillet size is R0.2 ~ R0.5.Its advantage is, the mating surface on pad damages by pressure by the sharp limit that can not be formed because of seamed edge.
Be understandable that, the size of described seamed edge rounding is not limited in the numerical value announced in the present embodiment.Can also set according to actual conditions, such as, in an alternative embodiment, described seamed edge rounding is R0.4; In another alternative, described seamed edge rounding is R0.3; And the size of described seamed edge rounding can set arbitrarily between R0.2 ~ R0.5.
Be understandable that, described pad 8 is not limited in the version announced in the present embodiment.Can also set according to actual service condition, such as, one alternative be in embodiment, pad 8 is set to red copper pad, and red copper pad is metal seal, and the temperature range that can bear is wider, and red copper mat material matter is softer, is easily out of shape after being squeezed, can sealed high-temp high-pressure liquid.
In the present embodiment, described packoff comprises gland 4, red copper pad 6 and special-shaped teflon gasket 7, and gland 4 is fixedly connected with joint 5 by screw thread, and by tightening gland 4, described special-shaped teflon gasket 7 is compressed by described red copper pad 6 by gland 4.Teflon gasket can high temperature high voltage resistant, and red copper pad is metal sealing, and material is softer, stressed rear easy deformable seal.
Teflon gasket and temperature measuring staff 2 fit tightly, and because teflon gasket is nonmetal, opposing metallic temperature measuring staff 2 is softer, can not cause wearing and tearing to metal temperature measuring staff 2.
In the present embodiment, teflon gasket 7 comprises evagination halfbody and indent halfbody, and described evagination halfbody and described indent half mates.Teflon gasket 7 deforms after being subject to the pressure of gland 4, forms sealing to temperature measuring staff 2.
Because temperature measuring staff 2 needs to bear liquid high pressure, when designing, utilize thick-cylinder theory, the external diameter of temperature measuring staff 2 and the ratio of internal diameter are greater than 1.1.The high pressure of fluid to be measured can be born.
Be understandable that, the external diameter of temperature measuring staff 2 and the actual ratio of interior warp can set according to actual conditions.Such as, in an alternative embodiment, the external diameter of temperature measuring staff 2 and the actual ratio of interior warp are 1.2; In another alternative, the external diameter of temperature measuring staff 2 and the actual ratio 1.5 of interior warp; Or the actual ratio of the external diameter of temperature measuring staff 2 and interior warp is set as 2.Be understandable that, the external diameter of temperature measuring staff 2 and the actual ratio of interior warp are only greater than 1.1.
In the present embodiment, one end that temperature measuring staff 2 gos deep into fluid to be measured container is set to spherical end surface.The axial force that the high pressure that farthest can reduce fluid to be measured produces temperature measuring staff.
In the present embodiment, adjuster bar 1 is set to screw rod, and screw rod is provided with two, and one end of screw rod is threaded with joint 5, and screw rod is provided with nut, and nut is for limiting the position of pressing plate 3.Because temperature measuring staff 2 contacts with tested highly pressurised liquid, its end can be subject to axially outside thrust, forces temperature measuring staff 2 to have the trend of axially outwards movement, the axial force that nut transmits for keeping out temperature measuring staff 2 pairs of pressing plates 3.
Be understandable that, the quantity of screw rod also can be set to 1, and its advantage is, simple to operate.
Be understandable that, the true form of adjuster bar 1 can also set according to actual conditions, such as, in an alternative embodiment, adjuster bar arranges and comprises spiro rod section and cylindrical section two parts, the diameter of cylindrical section is greater than the diameter of screw of spiro rod section, and thread segment is through pressing plate 3, and thread segment is threaded with joint 5 away from the end of cylindrical section.When the mobile temperature measuring staff 2 of needs changes measuring position, only need rotary regulating lever 1, simple to operation, work efficiency is high.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a temperature measuring equipment, is characterized in that: comprise
Adjuster bar (1);
Temperature measuring staff (2), described temperature measuring staff (2) is hollow structure, and inside is provided with thermopair;
Pressing plate (3); Described temperature measuring staff (2) is fixedly connected with described pressing plate (3), described adjuster bar (1) is through described pressing plate (3), and adjuster bar (1) is for supporting pressing plate (3) and limiting the movement of pressing plate (3);
Joint (5), described joint (5) is arranged on fluid to be measured container, joint (5) is provided with the measuring staff through hole for making described temperature measuring staff (2) pass, make the end thereof contacts fluid to be measured of temperature measuring staff (2), one end that described measuring staff through hole contacts with described fluid to be measured container is provided with seal, for the binding face of sealing adaptor (5) with fluid to be measured container, the other end of described measuring staff through hole is provided with for the packoff of sealing adaptor (5) with temperature measuring staff (2);
Described adjuster bar (1) is arranged on described joint (5);
By moving press plate (3) band dynamic temperature measuring staff (2) shift position.
2. temperature measuring equipment as claimed in claim 1, it is characterized in that: described seal is pad (8), described pad (8) is circular, its center is provided with through hole, be symmetrically arranged with circular cone in the axial both ends of the surface of pad (8), the axial width of pad (8) increases progressively to central through hole place from outward flange on the cross section that it crosses center.
3. temperature measuring equipment as claimed in claim 2, it is characterized in that: (5) are provided with pad mounting groove with described joint, described pad mounting groove is provided with seamed edge (51), described seamed edge (51) is for compressing the circular cone of described pad (8).
4. temperature measuring equipment as claimed in claim 3, it is characterized in that: described seamed edge (51) is provided with rounding, fillet size is R0.2 ~ R0.5.
5. temperature measuring equipment as claimed in claim 1, it is characterized in that: described packoff comprises gland (4), red copper pad (6) and special-shaped teflon gasket (7), described special-shaped teflon gasket is compressed by described red copper pad by described gland (4).
6. temperature measuring equipment as claimed in claim 5, is characterized in that: described teflon gasket comprises evagination halfbody and indent halfbody, and described evagination halfbody and described indent half mates.
7. temperature measuring equipment as claimed in claim 1, is characterized in that: the described external diameter of temperature measuring staff (2) and the ratio of internal diameter are greater than 1.1.
8. temperature measuring equipment as claimed in claim 1, is characterized in that: one end that described temperature measuring staff (2) gos deep into fluid to be measured container is set to spherical end surface.
9. temperature measuring equipment as claimed in claim 1, it is characterized in that: described adjuster bar (1) is set to screw rod, screw rod is provided with two, one end of described screw rod is threaded with described joint (5), screw rod is provided with nut, and described nut is for limiting the position of described pressing plate (3).
10. temperature measuring equipment as claimed in claim 1, it is characterized in that: described adjuster bar (1) arranges and comprises spiro rod section and cylindrical section two parts, the diameter of described cylindrical section is greater than the diameter of screw of described spiro rod section, thread segment is through described pressing plate (3), and thread segment is threaded with described joint (5) away from the end of cylindrical section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884864.9A CN105333969B (en) | 2015-12-04 | 2015-12-04 | A kind of temperature measuring equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884864.9A CN105333969B (en) | 2015-12-04 | 2015-12-04 | A kind of temperature measuring equipment |
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| CN105333969A true CN105333969A (en) | 2016-02-17 |
| CN105333969B CN105333969B (en) | 2018-07-13 |
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| CN201510884864.9A Active CN105333969B (en) | 2015-12-04 | 2015-12-04 | A kind of temperature measuring equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067148A (en) * | 2015-09-19 | 2015-11-18 | 成都创年科技有限公司 | Special liquid temperature detection combined device for chemical experiment |
| CN108020333A (en) * | 2017-11-27 | 2018-05-11 | 中国电子科技集团公司第四十八研究所 | A kind of temp probe and assembly method for aircraft |
| CN109443681A (en) * | 2018-10-19 | 2019-03-08 | 北京理工大学 | A kind of test splice suitable under high vacuum and high-temperature and high-pressure conditions |
| CN110501374A (en) * | 2018-05-16 | 2019-11-26 | 安东帕普卢泰克有限责任公司 | For closing the device and liquid analysis system that are used for the container of liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067148A (en) * | 2015-09-19 | 2015-11-18 | 成都创年科技有限公司 | Special liquid temperature detection combined device for chemical experiment |
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| CN110501374A (en) * | 2018-05-16 | 2019-11-26 | 安东帕普卢泰克有限责任公司 | For closing the device and liquid analysis system that are used for the container of liquid |
| CN109443681A (en) * | 2018-10-19 | 2019-03-08 | 北京理工大学 | A kind of test splice suitable under high vacuum and high-temperature and high-pressure conditions |
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| Publication number | Publication date |
|---|---|
| CN105333969B (en) | 2018-07-13 |
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