CN1601251B - Closure part between temperature sensor and inner pot of closure slack pot, as temperature measurement device - Google Patents
Closure part between temperature sensor and inner pot of closure slack pot, as temperature measurement device Download PDFInfo
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- CN1601251B CN1601251B CN03151144.9A CN03151144A CN1601251B CN 1601251 B CN1601251 B CN 1601251B CN 03151144 A CN03151144 A CN 03151144A CN 1601251 B CN1601251 B CN 1601251B
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- temperature
- jar
- airtight
- optical fiber
- seal piston
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Abstract
The invention relates to a closing component between temperature-measuring sensor and internal tank of closed counteracting tank, including sample-dissolving cup and seal piston cover. The sample-dissolving cup is covered with the described seal piston cover, the described seal piston cover includes upper and cover for covering sample-dissolving cup and sealing pipe extended into sample-dissolving cup, the described upper cover and sealing pipe are formed into one body. The described upper cover also includes apron edge tightly contacted with inner side wall of sample-dissolving cup. Said closing component is simple in production process, convenient for operation, and can implement true closing. Said invention also relates to a temperature-measuring device including temperature display and temperature-measuring sensor inserted into sealing pipe in the closing component.
Description
Technical field
The present invention relates to a kind of closing element and temperature measuring equipment thereof, relate in particular to a kind of closing element and temperature measuring equipment thereof between clearing up in the analytical sample in the temperature probe and airtight digestion jar jar with microwave energy.
Background technology
In the analytical chemistry field, utilizing microwave energy to clear up in the process of the analytical sample in the airtight digestion jar, temperature has important effect for the foundation and the research of the methods such as clearing up, extract, synthesize of sample.But how can accurately record the temperature of sample and solvent in the airtight digestion jar by temperature probe safely in microwave field, the airtight problem between solving again in temperature probe and the airtight digestion jar jar is the difficulty very big technical matters of pendulum in face of the technician.Because, solve temp sensing function, nature can be run into three big technical barriers: the first, the temperature element of putting in microwave field must be not absorb microwave energy, itself does not produce self-heating again; The second, must reach highly airtight between temperature probe and the airtight digestion jar; The 3rd, detected solution all is the sour solvent with deep-etching, therefore must solve the etch-proof problem of temperature probe.
Existing airtight thermometry all exists various drawbacks at present, can not really solve this three difficult problems:
1. airtight between temperature probe and the airtight digestion jar is to adopt various seals to reach " airtight " through mechanical connections and by means of external force.Its shortcoming is a lot of: 1) seal requirement on machining accuracy height, and the assembly processing capacity is big; 2) connect complexity, complex operation step; 3) more crucial problem is, owing to be by mechanical connection, it is airtight by external force temperature probe and airtight digestion jar to be coupled together realization; If the pressure that chemical reaction produces in the counteracting tank surpass by external force will cause counteracting tank to leak, do not reach obturation effect.In the patent No. 01210852.9, be with airtight high-pressure reaction pot and thermometric joint in conjunction with and constitute; This thermometric joint has the double end nut of center pit by quartz ampoule, and the gland of the dop of band center pit and band center pit constitutes; During use, quartz ampoule or the coated temperature sensor probe that resistant material arranged are by the center pit of dop and the center pit of double end nut, and the screw by cover insert gland bonnet the taper convex mouth through hole and go deep into then gland and double end nut being spirally connected in the molten sample cup.
2. adopt the thermocouple temperature measurement sensor.The thermocouple temperature measurement sensor must connect the whole thermometric process of finishing by plain conductor.And plain conductor meeting sparking in microwave field causes lead heating even burning.In order to address this problem, need to adopt a series of measures such as several roads bonding.This has just increased the loaded down with trivial details and complicacy of device.Temperature measurer as patent 02265624.3 is made up of vapor tight tank and temperature probe.Vapor tight tank is a double-decker, in be provided with the temperature probe that is with quartz glass sleeve.It is connected with detachable rotary type plug by shielded cable, terminal ground connection of the other end of rotary type plug, and two terminals link to each other with temperature digital display regulator by two temperature signal lines in addition.Instrument top also must be left a twisted wire view window in addition and be observed inner complicated line and have and deny stranded and twist into two parts.
Thermopair is easy to generate electric spark in the course of the work, and tends to releasing hydrogen gas in the redox reaction process, and hydrogen is run into electric spark and can be blasted.So the relevant expert pointed out once that thermometric should not adopt thermopair in the microwave digestion system.
Summary of the invention
Closing element between the technical issues that need to address of the present invention have provided in a kind of temperature probe and the airtight digestion jar jar is intended to solve at present by external force and temperature probe and airtight digestion jar is coupled together the defective that realizes that airtight and seal requirement on machining accuracy height, assembly processing capacity are big, is connected complexity, complex operation step;
The technical issues that need to address of the present invention also provide a kind of temperature measuring equipment, are intended to solve complicated, not easy-operating defective in the present thermometric process.
In order to solve the problems of the technologies described above, closing element of the present invention is achieved through the following technical solutions:
This closing element comprises molten sample cup, seal piston cover; Described seal piston cover covers molten sample cup; Described seal piston cover comprises the loam cake that covers molten sample cup and gos deep into the sealed tube of molten sample cup; Described loam cake and sealed tube are one; Described loam cake also comprises with the madial wall of molten sample cup and connects airtight the shirt rim of touching mutually;
Temperature measuring equipment of the present invention is achieved through the following technical solutions:
This temperature measuring equipment comprises above-mentioned closing element, temperature probe, detachable thermometric line, temperature indicator, microwave cavity; In the sealed tube in the described temperature probe insertion closing element, an end of detachable thermometric line is connected with temperature probe, and the other end links to each other with the socket of temperature indicator by the areole in the microwave cavity.
Compared with prior art, closing element beneficial effect of the present invention is: processing is simple, and is easy to operate; The more important thing is and realize airtightly, reached truly airtight so as to pressure is self-service; Temperature measuring equipment beneficial effect of the present invention is: the process that realizes thermometric is simple especially, easily operation; Dismounting is without any need for auxiliary accessories and operation; The time spent can not pull up at any time, preserves, and has avoided staying for a long time being subjected to the acid mist corrosion in the furnace chamber or occupying the furnace chamber space.
Description of drawings
Fig. 1 is a closing element structural representation of the present invention;
Fig. 2 is a temperature measuring equipment structural representation of the present invention;
Wherein: seal piston cover 1, molten sample cup 2, temperature probe 3, temperature indicator 4, microwave cavity 5, closing element 6, detachable thermometric line 7, loam cake 11, sealed tube 12, socket 41, areole 51, shirt rim 111.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
As seen from Figure 1: the present invention includes molten sample cup 2, seal piston cover 1; Described seal piston cover 1 covers molten sample cup 2; Described seal piston cover 1 comprises loam cake 11 that covers molten sample cup and the sealed tube 12 that gos deep into molten sample cup; Described loam cake 11 and sealed tube 12 are one; Described loam cake 11 also comprises with the madial wall of molten sample cup and connects airtight the shirt rim 111 of touching mutually;
The material of described seal piston cover 1 is a teflon;
Described seal piston cover 1 is " T " shape.
Below principle of the present invention is described as follows:
Band seal of tube piston cap covers molten sample cup, makes the shirt rim of being with seal of tube piston cap be adjacent to the madial wall of molten sample cup, forms annular seal space.Temperature probe inserts in the sealed tube of band seal of tube piston cap.When the airtight digestion jar places when heating in the microwave dissolver, chemical reaction takes place and produces gas under the microwave energy effect in sample and solvent.Because the madial wall of molten sample cup is airtight, the gas that produces in jar forms pressure, and pressure is adjacent to the shirt rim of band seal of tube piston cap and the madial wall of molten sample cup.The pressure that produces is big more, pastes tightly more, and jar is airtight good more in the airtight digestion jar.Thus, the madial wall of molten sample cup has been formed an annular seal space with the outer wall that the shirt rim inwall and the band of band seal of tube piston cap are managed the sealed tube of piston cap; The tube chamber and the annular seal space of managing the piston cap sealed tube owing to band are obstructed, and temperature probe inserts tube chamber and sees through the temperature that its wall just can measure interior sample of annular seal space and solution indirectly like this, just can draw the actual temperature of sample and solution through conversion.
By Fig. 1, Fig. 2 as seen: this temperature measuring equipment comprises above-mentioned closing element 6, temperature probe 3, detachable thermometric line 7, temperature indicator 4, microwave cavity 5; In the sealed tube 12 that described temperature probe 3 inserts in the closing element 6, an end of detachable thermometric line 7 is connected with temperature probe 3, and the other end links to each other with the socket 41 of temperature indicator 4 by the areole 51 in the microwave cavity 5;
Described detachable thermometric line 7 is optical fiber temperature-measurement lines.
When in digestion process, needing thermometric, end optical fiber temperature-measurement line that optical fiber sensor head is housed is penetrated furnace chamber from the aperture of counteract appearance side, and the sealed tube bottom of inserting counteracting tank, the plug of the optical fiber temperature-measurement line other end is inserted in the socket of counteract appearance control panel side, connect temperature indicator, shut the furnace chamber door and the startup of counteract appearance.Be subjected to the radiation of microwave energy, sample and solvent chemically reactive in the counteracting tank produce pressure and temperature in jar, and temperature passes to the temperature indicator that is installed on the counteract appearance by the optical fiber temperature-measurement line.
When after thermometric finishes, not re-using, the optical fiber temperature-measurement line can be extracted from the sealed tube of counteracting tank at once, and the thermometric line is pulled out the counteract appearance furnace chamber, and pull up plug from socket.
Claims (3)
1. the closing element between in temperature probe and the airtight digestion jar jar comprises the seal piston cover (1) that covers as in the airtight digestion jar jar molten sample cup (2); It is characterized in that: described seal piston cover (1) comprises loam cake (11) that covers molten sample cup and the sealed tube (12) that gos deep into molten sample cup; Described loam cake (11) and sealed tube (12) are one; Described loam cake (11) comprises also with the madial wall of molten sample cup and connects airtight the shirt rim (111) of touching mutually that described seal piston cover (1) is " T " shape.
2. the closing element in temperature probe according to claim 1 and the airtight digestion jar between the jar, it is characterized in that: the material of described seal piston cover (1) is a teflon.
3. temperature measuring equipment, it is characterized in that: comprise claim 1 or 2 described closing elements (6), optical fiber sensor head as temperature probe (3), optical fiber temperature-measurement line as detachable thermometric line (7), the temperature indicator (4) that has socket (41) has the microwave cavity (5) of areole (51); In the sealed tube (12) in the described optical fiber sensor head insertion closing element (6), an end of optical fiber temperature-measurement line is connected with optical fiber sensor head, and the other end links to each other with the socket (41) of temperature indicator (4) by the areole (51) in the microwave cavity (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03151144.9A CN1601251B (en) | 2003-09-23 | 2003-09-23 | Closure part between temperature sensor and inner pot of closure slack pot, as temperature measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03151144.9A CN1601251B (en) | 2003-09-23 | 2003-09-23 | Closure part between temperature sensor and inner pot of closure slack pot, as temperature measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1601251A CN1601251A (en) | 2005-03-30 |
| CN1601251B true CN1601251B (en) | 2010-04-28 |
Family
ID=34659861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03151144.9A Expired - Lifetime CN1601251B (en) | 2003-09-23 | 2003-09-23 | Closure part between temperature sensor and inner pot of closure slack pot, as temperature measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1601251B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062171A (en) * | 2013-03-22 | 2014-09-24 | 北京瑞利分析仪器有限公司 | Miniature heating digestion device |
| CN103639034A (en) * | 2013-12-05 | 2014-03-19 | 东北林业大学 | Grinder capable of measuring temperature of suspension liquid in grinding cylinder |
| CN109142020B (en) * | 2018-09-04 | 2024-05-28 | 北京林电伟业电子技术有限公司 | Wireless microwave digestion instrument temperature field calibration device and wireless microwave digestion instrument |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4933529A (en) * | 1989-04-03 | 1990-06-12 | Savillex Corporation | Microwave heating digestion vessel |
| US5318754A (en) * | 1983-04-21 | 1994-06-07 | Cem Corporation | Microwave ashing apparatuses and components |
| US5459302A (en) * | 1991-12-23 | 1995-10-17 | Societe Prolabo | Apparatus and process for measuring the temperature of a sample heated in a microwave chamber |
| US5988877A (en) * | 1997-09-15 | 1999-11-23 | C E M Corporation | Method and apparatus for temperature calibration in microwave assisted chemistry |
| US6373040B2 (en) * | 1999-01-21 | 2002-04-16 | Cem Corporation | In-cavity connectors for system detectors in microwave assisted processes |
| CN2502779Y (en) * | 2001-02-28 | 2002-07-31 | 杜荣庆 | Closed high-pressure reaction tank |
| CN2550750Y (en) * | 2002-07-19 | 2003-05-14 | 李杰彬 | Temperature measurer for microwave clear-up and extraction system |
| CN2643313Y (en) * | 2003-09-23 | 2004-09-22 | 上海新仪微波化学科技有限公司 | Hermetic piece between temperature transducer and inter tank of hermetic slacking tank, and temperature measurement device thereof |
-
2003
- 2003-09-23 CN CN03151144.9A patent/CN1601251B/en not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318754A (en) * | 1983-04-21 | 1994-06-07 | Cem Corporation | Microwave ashing apparatuses and components |
| US4933529A (en) * | 1989-04-03 | 1990-06-12 | Savillex Corporation | Microwave heating digestion vessel |
| US5459302A (en) * | 1991-12-23 | 1995-10-17 | Societe Prolabo | Apparatus and process for measuring the temperature of a sample heated in a microwave chamber |
| US5988877A (en) * | 1997-09-15 | 1999-11-23 | C E M Corporation | Method and apparatus for temperature calibration in microwave assisted chemistry |
| US6373040B2 (en) * | 1999-01-21 | 2002-04-16 | Cem Corporation | In-cavity connectors for system detectors in microwave assisted processes |
| CN2502779Y (en) * | 2001-02-28 | 2002-07-31 | 杜荣庆 | Closed high-pressure reaction tank |
| CN2550750Y (en) * | 2002-07-19 | 2003-05-14 | 李杰彬 | Temperature measurer for microwave clear-up and extraction system |
| CN2643313Y (en) * | 2003-09-23 | 2004-09-22 | 上海新仪微波化学科技有限公司 | Hermetic piece between temperature transducer and inter tank of hermetic slacking tank, and temperature measurement device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1601251A (en) | 2005-03-30 |
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Granted publication date: 20100428 |