CN200957306Y - Pallet for microwave closed extractor - Google Patents
Pallet for microwave closed extractor Download PDFInfo
- Publication number
- CN200957306Y CN200957306Y CN 200620046668 CN200620046668U CN200957306Y CN 200957306 Y CN200957306 Y CN 200957306Y CN 200620046668 CN200620046668 CN 200620046668 CN 200620046668 U CN200620046668 U CN 200620046668U CN 200957306 Y CN200957306 Y CN 200957306Y
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- housed
- extractor
- circuit board
- infrared
- turning cylinder
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Abstract
The utility model discloses a tray of airtight microwave digestion extractor, in particular a tray with several tanks which can carry out an independent measurement of pressure and temperature, which is composed of a turntable, a central shielding tube, a digestion extraction tank, a linkage lever, a sensitive shaft, a displacement sensor, a temperature sensor, a signal processing circuit board, an infrared transmitting tube, an infrared light guide rod, a power supply conduction hollow tube, a power ring header, an infrared signal receiver and a signal receiver circuit board. The pressure and the temperature in the tanks are passed to the signal processing circuit board by means of the linkage lever, the sensitive shaft, the displacement sensor and the temperature sensor; and then the signal is delivered to the signal receiver circuit board to be processed finally by means of the infrared transmitting tube and the infrared signal receiver.
Description
Technical field
The utility model relates to a kind of pallet that is used for microwave airtight digestion extractor, especially the pallet of multiple tank independence pressure measurement thermometric.
Background technology
The microwave closed is cleared up extractor by sensor, magnetron, waveguide, microwave radial chamber, rotating disk and the airtight digestion extractor formation of medium (normally acid) and sample is housed, the microwave that magnetron produces by waveguide transmission in the microwave radial chamber, the airtight digestion extractor places on the interior rotating disk of microwave radial chamber, accepts microwave irradiation in the rotation of rotating disk.Be heated after being contained in the emittance of medium in the airtight digestion extractor and absorption of sample microwave, thereby quicken the speed of its chemical reaction.Owing to can expand after medium and sample are heated, so be provided with the elastomer that a pressurized can be out of shape, clear up volume in the extractor with increase at the top of clearing up extractor, prevent to clear up the extractor explosion.In microwave airtight digestion extractive reaction, need in time to understand the situation of clearing up the pressure and temperature in the extractor.Existing method is to place center of turntable in the microwave radial chamber with clearing up extractor, a displacement plate that is subjected to the elastomer constraint is housed at the top of clearing up extractor, clear up in the microwave closed that is positioned at the center of turntable place and to make a call to a hole on the extractor, and installation sensitive axes and temperature sensing device, one end of sensitive axes places on the displacement plate of clearing up the extractor top, and the other end places on the displacement transducer.When the variation of clearing up the extractor internal pressure makes displacement plate drive sensitive axes generation upper and lower displacement, displacement-pressure function relation by displacement transducer output is converted to force value, the temperature sensing device measurement temperature value of clearing up extractor again, to realize the control to reaction.Though this method can be carried out the thermometric pressure measurement to single jar, thereby can control course of reaction by the regulation and control microwave power.But, needs clear up when extraction when carrying out multiple tank, owing to be subjected to placing restrictions on of structure, usually can only get of placing center of turntable and clear up extractor as representing jar, estimate that by the displacement of its displacement plate all clear up the force value in the extractor, temperature value also is so to survey its typical value estimation.In addition, in practice because each composition of clearing up the sample of handling in extractor difference to some extent, can cause speed, the pressure of its chemical reaction that very big-difference is arranged, and the heating using microwave temperature rise is rapid, so can not control pressure, the temperature of chemical reaction in each jar real-time and accurately, cause clearing up individually the explosion accident that causes behind the extractor overvoltage excess temperature and occur repeatedly.
Summary of the invention
The purpose of this utility model provides a kind of pallet that is used for microwave airtight digestion extractor, can carry out independent, thermometric pressure measurement in real time to a plurality of extractors of clearing up simultaneously by this pallet, to improve the accuracy and the security of microwave airtight digestion extraction experiments.
The utility model comprises rotating disk, displacement transducer, temperature sensor, it is characterized in that: a central shield tube is housed in the center of rotating disk, place by the five equilibrium shape and clear up extractor at the periphery place, top cover is equipped with in upper end at the central shield tube, bottom is equipped with in the lower end, bottom is by being bolted on the rotating disk, and the coupling sleeve by the bottom center is fixed on the microwave closed and clears up on the power output connector of turning cylinder one end in the extractor microwave radial chamber, on top cover, linkage lever is housed by the five equilibrium shape, connect top cover in the middle of the linkage lever, one end is pressed on the displacement plate of clearing up extractor, the other end is pressed in and is the five equilibrium shape and is installed on the sensitive axes in the central shield tube, in the central shield tube under sensitive axes displacement transducer is housed, in the central shield tube under displacement transducer signal processing circuit board is housed, infrared transmitting tube is housed on the signal processing circuit board, infrared transmitting tube is with power supply conduction hollow pipe outward, infrared transmitting tube is concentric with turning cylinder, the other end of turning cylinder is in the outer outer cover of microwave radial chamber, and power transmission gear is housed, axle sleeve is housed in the middle of the turning cylinder, and axle sleeve and outer cover are connected the microwave closed clear up on the extractor casing by being connected clamp nut on the axle sleeve, turning cylinder is a hollow body, infrared light guide rod and power connection are housed in its hollow body, power connection connects power supply conduction hollow pipe, one end of infrared light guide rod is along extending outside the hollow body, and the power supply collector ring is housed, the infrared signal receiver is housed in the outer cover under the power supply collector ring, the infrared signal receiver is concentric with turning cylinder, and be fastened on signal receiving lines plate on the outer cover, place at rotating disk and to clear up the extractor place temperature sensor is housed, have circuit to be connected between temperature sensor and the signal processing circuit board.During work, the motor output shaft that the microwave closed is cleared up extractor rotates by gear drive power transmission gear, power transmission gear driven turning cylinder rotates, and the power output connector of turning cylinder one end drives that bottom makes rotating disk, clears up extractor, central shield tube and top cover rotate together.When in being in the microwave radial chamber, clearing up sample in the extractor and medium by heating using microwave, the jar internal pressure can raise, the promotion displacement plate rises, displacement is proportional to force value, so linkage lever promotes sensitive axes and does corresponding displacement, displacement transducer is exported corresponding variation voltage to signal processing circuit board, is positioned at the temperature sensor of clearing up the extractor bottom simultaneously and also the temperature signal that records is transported to signal processing circuit board.Signal processing circuit board is made the time-division multiplex analog-to-digital conversion with displacement signal and temperature signal, being converted to infrared signal by infrared transmitting tube after encoded again the processing sends by the centre bore of power supply conduction hollow pipe, through the infrared light guide rod be transmitted to the infrared signal receiver, signal receiving lines plate becomes the signal of telecommunication, can obtain pressure, temperature data by decoder reduction again.
The utility model is owing to adopted said structure, can be simultaneously clear up extractor and carry out independent, thermometric pressure measurement in real time being in the microwave radial chamber each, solved the experimental error that produces because of estimation, also avoided the explosion accident that causes behind the extractor overvoltage excess temperature because of clearing up individually, clearing up extractive reaction for control in real time provides convenience.Owing to adopted said structure, solved microwave electromagnetic field infrared light has been transmitted the strongly disturbing problem of signal again.In addition, the utlity model has simple in structure, existing microwave airtight digestion extractor is slightly made improvements and can use.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is this apparatus structure cut-away view.
By shown in Figure 1, a central shield tube (5) is housed in the center of rotating disk (10), place by the five equilibrium shape and clear up extractor (13) at the periphery place.In the upper end of central shield tube (5) top cover (2) is housed, bottom (9) is equipped with in the lower end, bottom (9) is by being bolted on the rotating disk (10), and the coupling sleeve by bottom (9) center is fixed on the microwave closed and clears up on the power output connector of turning cylinder (14) one ends in the extractor microwave radial chamber (1).Upward linkage lever (11) is housed at top cover (2) by the five equilibrium shape, connect top cover (2) in the middle of the linkage lever (11), one end is pressed on the displacement plate (12) of clearing up extractor (13), and the other end is pressed in and is the five equilibrium shape and is installed on the sensitive axes (3) in the central shield tube (5).In the central shield tube (5) under sensitive axes (3) displacement transducer (4) is housed, in the central shield tube (5) under displacement transducer (4) signal processing circuit board (6) is housed.Infrared transmitting tube (7) is housed on the signal processing circuit board (6), the outer power supply conduction hollow pipe (8) that is with of infrared transmitting tube (7), infrared transmitting tube (7) is concentric with turning cylinder (14).The other end of turning cylinder (14) is in the outer outer cover (23) of microwave radial chamber (1), and power transmission gear (21) is housed.Axle sleeve (17) is housed in the middle of the turning cylinder (14), and axle sleeve (17) and outer cover (23) are connected the microwave closed clear up on the extractor casing by being connected clamp nut (22) on the axle sleeve (17).Turning cylinder (14) is a hollow body, and infrared light guide rod (16) and power connection (15) are housed in its hollow body.Power connection (15) connects power supply conduction hollow pipe (8), and the end edge of infrared light guide rod (16) extends outside the hollow body, and power supply collector ring (18) is housed.In the outer cover (23) under power supply collector ring (18) infrared signal receiver (20) is housed, infrared signal receiver (20) is concentric with turning cylinder (14), and is fastened on the signal receiving lines plate (19) on the outer cover (23).Place the indent (24) of clearing up extractor (13) at rotating disk (10) and locate to be equipped with temperature sensor (25), temperature sensor (25) is linked signal processing circuit board (6) by the shielded cable that is embedded in the rotating disk (10).During work, the motor output shaft that the microwave closed is cleared up extractor rotates by gear drive power transmission gear (21), power transmission gear (21) drives turning cylinder (14) and rotates, and the power output connector of turning cylinder (14) one ends drives that bottom (9) makes rotating disk (10), clears up extractor (13), central shield tube (5) and top cover (2) rotate together.When in being in microwave radial chamber (1), clearing up sample in the extractor (13) and medium by heating using microwave, the jar internal pressure can raise, promoting displacement plate (12) rises, displacement is proportional to force value, so linkage lever (11) promotes sensitive axes (3) and does corresponding displacement, the corresponding variation voltage of displacement transducer (4) output is positioned at the temperature sensor (25) of clearing up extractor (13) bottom simultaneously and also the temperature signal that records is transported to signal processing circuit board (6) to signal processing circuit board (6).Signal processing circuit board (6) is made the time-division multiplex analog-to-digital conversion with displacement signal and temperature signal, encoded again processing back is converted to infrared signal by infrared transmitting tube (7) and sends by the centre bore that power supply conducts hollow pipe (8), through infrared light guide rod (16) be transmitted to infrared signal receiver (20), signal receiving lines plate (19) becomes the signal of telecommunication, can obtain pressure, temperature data by decoder reduction again.
Signal processing circuit board (6) required the power supply supply: wherein negative pole is to borrow the power output connector of metal shell, turning cylinder (14) one ends as ground wire, positive pole be by signal receiving lines plate (19) go up the brush that connects and power supply collector ring (18) in rotation, remain contact form.Power supply collector ring (18) passes to power connection (15) by the thin wire in turning cylinder (14) hollow body again and contacted with it power supply conduction hollow pipe (8) is delivered to signal processing circuit board (6).Therefore the power line positive pole is in masked state, is not subjected to the influence of microwave electromagnetic field fully, and pressure, temperature signal form with light after Direct Sampling transmits, and also is not subjected to the interference of microwave electromagnetic field fully.
Claims (1)
1, a kind of pallet that is used for microwave airtight digestion extractor, comprise rotating disk (10), displacement transducer (4), temperature sensor (25), it is characterized in that: a central shield tube (5) is housed in the center of rotating disk (10), place by the five equilibrium shape and clear up extractor (13) at the periphery place, in the upper end of central shield tube (5) top cover (2) is housed, bottom (9) is equipped with in the lower end, bottom (9) is by being bolted on the rotating disk (10), and be fixed on the power output connector of turning cylinder (14) one ends by the coupling sleeve of bottom (9) center, upward linkage lever (11) is housed at top cover (2) by the five equilibrium shape, connect top cover (2) in the middle of the linkage lever (11), one end is pressed on the displacement plate (12), the other end is pressed in and is the five equilibrium shape and is installed on the sensitive axes (3) in the central shield tube (5), in the central shield tube (5) under sensitive axes (3) displacement transducer (4) is housed, in the central shield tube (5) under displacement transducer (4) signal processing circuit board (6) is housed, infrared transmitting tube (7) is housed on the signal processing circuit board (6), the outer power supply conduction hollow pipe (8) that is with of infrared transmitting tube (7), infrared transmitting tube (7) is concentric with turning cylinder (14), the other end of turning cylinder (14) is in the outer cover (23), and power transmission gear (21) is housed, axle sleeve (17) is housed in the middle of the turning cylinder (14), and axle sleeve (17) and outer cover (23) are connected the microwave closed clear up on the extractor casing by being connected clamp nut (22) on the axle sleeve (17), turning cylinder (14) is a hollow body, infrared light guide rod (16) and power connection (15) are housed in its hollow body, power connection (15) connects power supply conduction hollow pipe (8), one end of infrared light guide rod (16) is along extending outside the hollow body, and power supply collector ring (18) is housed, in the outer cover (23) under power supply collector ring (18) infrared signal receiver (20) is housed, infrared signal receiver (20) is concentric with turning cylinder (14), and be fastened on signal receiving lines plate (19) on the outer cover (23), place the indent (24) of clearing up extractor (13) at rotating disk (10) and locate to be equipped with temperature sensor (25), temperature sensor (25) is linked signal processing circuit board (6) by the shielded cable that is embedded in the rotating disk (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620046668 CN200957306Y (en) | 2006-10-09 | 2006-10-09 | Pallet for microwave closed extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620046668 CN200957306Y (en) | 2006-10-09 | 2006-10-09 | Pallet for microwave closed extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200957306Y true CN200957306Y (en) | 2007-10-10 |
Family
ID=38784180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620046668 Expired - Fee Related CN200957306Y (en) | 2006-10-09 | 2006-10-09 | Pallet for microwave closed extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200957306Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685048B (en) * | 2008-09-25 | 2012-10-24 | 华南师范大学 | Purity detecting method and device for polysilicon |
| CN104848962A (en) * | 2015-04-21 | 2015-08-19 | 上海新拓分析仪器科技有限公司 | Microwave reaction device combining optical fiber temperature measurement and scanning pressure measurement technology |
-
2006
- 2006-10-09 CN CN 200620046668 patent/CN200957306Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685048B (en) * | 2008-09-25 | 2012-10-24 | 华南师范大学 | Purity detecting method and device for polysilicon |
| CN104848962A (en) * | 2015-04-21 | 2015-08-19 | 上海新拓分析仪器科技有限公司 | Microwave reaction device combining optical fiber temperature measurement and scanning pressure measurement technology |
| CN104848962B (en) * | 2015-04-21 | 2018-01-12 | 上海新拓分析仪器科技有限公司 | A kind of microwave reaction equipment of combination optical fiber temperature-measurement and scanning manometric technique |
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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: SHANGHAI XINTUO ANALYTICAL INSTRUMENTS TECHNOLOGY Free format text: FORMER OWNER: ZHANG HEQING Effective date: 20090403 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090403 Address after: Room 202, building 16, Triumph Industrial Zone, No. 105, Wu Wu Road, Shanghai, Xuhui District, China: 200232 Patentee after: Shanghai Xintuo Analytical Instruments Co., Ltd. Address before: Room 20, No. 1023, Lane 1804, Key Bridge Road, Shanghai, 200030 Patentee before: Zhang Heqing |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20151009 |
|
| EXPY | Termination of patent right or utility model |