CN107894397A - Self-adapting type graphite furnace self-locking device - Google Patents
Self-adapting type graphite furnace self-locking device Download PDFInfo
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- CN107894397A CN107894397A CN201711359882.0A CN201711359882A CN107894397A CN 107894397 A CN107894397 A CN 107894397A CN 201711359882 A CN201711359882 A CN 201711359882A CN 107894397 A CN107894397 A CN 107894397A
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- graphite
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- heater
- furnace
- lens barrel
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 50
- 239000010439 graphite Substances 0.000 title claims abstract description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 229920001342 Bakelite® Polymers 0.000 claims description 9
- 239000004637 bakelite Substances 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000009738 saturating Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 abstract description 6
- 230000003044 adaptive effect Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 3
- 230000005283 ground state Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000705 flame atomic absorption spectrometry Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Resistance Heating (AREA)
Abstract
Self-adapting type graphite furnace self-locking device, it is characterised in that：It includes fixed furnace part (1), movable furnace part (2), linkage (3) and base component (4), the fixed furnace part (1) is on the base component, the movable furnace part (2) is connected with the base component (4), and the relative position between the movable furnace part (2) and the fixed furnace part (1) can be adjusted by the linkage (3).The graphite furnace self-locking device that the adaptive graphite length of tube temperature becomes, locking function can be realized with the variable linkage of itself crank length completely, it is compact-sized, function-stable is reliable, without self-locking impact, while can in the graphite furnace atomizer course of work adaptive graphite-pipe length change amount.The service life of graphite-pipe can effectively be extended, reduce use cost.
Description
Technical field
The invention belongs to species analysis Instrument technology field, is exactly specifically to be related to self-adapting type graphite furnace self-locking device.
Background technology
Atomic Absorption Spectrometer is a kind of extremely important analysis method in analytical chemistry field, is widely used in metallurgical work
Industry.Atomic absorption spectrography (AAS) is that the side of quantitative analysis is carried out using the degree of absorption of the ground state atom characteristic radiation line of tested element
Method.Both some major constituents measure can be carried out, and can carries out ppm, ppb level determination of trace, and Atomic Absorption Spectrometer can determine more
Kind element, wherein flame atomic absorption spectrometry can measure 10-9The g/mL orders of magnitude, graphite oven atomic absorption can measure 10-13g/
The mL orders of magnitude.
Atomic Absorption Spectrometer is made up of light source, atomizer, beam splitting system and detecting system, Atomic Absorption Spectrometer
Operation principle be that sample is converted into steam in atomizer, because temperature is relatively low, most of atoms are in ground state, when from sky
When single beam that heart cathode modulation radiation emission goes out is by sample steam, because the electronics in radiation frequency and atom is by ground state transition
The frequency of energy to required for compared with highly excited level is corresponding, and a part of light is by Atomic absorption, i.e. RESONANCE ABSORPTION.Another part is not
Absorbed light is signal Analysis, is received by photodetector system.Due to the degree that sharp Line beam weakens by absorption and original
The concentration of analytical element is directly proportional in sub- steam, so measurement result is compared with standard, so that it may obtain the element in sample
Content.
Graphite furnace atomizer is one of most important device of atomic absorption analyzer device, and analyst coverage almost covers
All metallic elements, and sensitivity highest, it is widely used in the trace detection of element.Graphite furnace atomizer is inhaled to atom
The photometric performance indications of contracture light have important influence.Graphite furnace body will lead to high current, cooling water and protective gas, this
So that the internal structure of graphite furnace body is complicated.The body of heater of graphite furnace atomizer in the course of the work, on the one hand will be to graphite
Pipe is clamped, the existing huge temperature difference before and after on the other hand being heated due to graphite-pipe during atomizing so that graphite
Pipe length change amount caused by expanding with heat and contract with cold reaches 1-1.2mm, therefore, it is necessary to fixes the relative position between body of heater and movable body of heater
The length change of graphite-pipe can be adapted to automatically to avoid graphite-pipe from being broken in heating process by moving.So graphite furnace body structure
It is whether reasonable, not only directly affect the service life of graphite-pipe and graphite furnace itself, and accuracy of detection can be influenceed, it is existing
The fastening of some graphite furnaces realizes mainly by the action of pneumatic operated valve, and pneumatic operated valve impacts larger when acting, easily cause the damage of graphite-pipe
It is bad.
The content of the invention
The purpose of the present invention is easy to graphite-pipe in graphite-pipe heating process aiming at existing graphite furnace atomizer
The technological deficiency of fracture, there is provided self-adapting type graphite furnace self-locking device, the adaptive graphite-pipe of energy is caused by characteristic of expanding with heat and contract with cold
Length change amount, solve pneumatic operated valve impulsive force it is excessive cause graphite-pipe damage the defects of, effectively extend graphite-pipe
Service life.
Technical scheme
In order to realize above-mentioned technical purpose, the self-adapting type graphite furnace self-locking device that the present invention designs, it is characterised in that：It
Including fixed furnace part, movable furnace part, linkage and base component, the fixed furnace part are mounted in the pedestal
On part, the movable furnace part is connected with the base component, the movable furnace part and the fixed body of heater portion
Relative position between part can be adjusted by the linkage.
Further, the fixed furnace part includes fixed body of heater, graphite cone one, graphite-pipe, gas path joint one, lens barrel
One, saturating ultraviolet quartz glass one, lens barrel end cap one, O-ring seal one, water pipe head one, copper conductor connection terminal；
The ultraviolet quartz glass one is fitted in one end of lens barrel one, the other end of the lens barrel one by lens barrel end cap one
It is mounted in after loading onto O-ring seal one in the mounting groove one on the fixed body of heater side end, the fixed body of heater opposite side end
Mounting groove two is built with graphite cone one, and the graphite-pipe is inserted into the graphite cone one, the gas path joint one and copper conductor
Connection terminal is mounted in the side end face of the fixed body of heater, and the water pipe head one stretches into institute mounted in the lower surface of the fixed body of heater
State base component.
Further, the movable furnace part includes movable body of heater, lens barrel two, saturating ultraviolet quartz glass two, lens barrel end cap
Two, O-ring seal two, graphite cone two, the axis of guide, gas path joint two, water pipe head two, circuit connects, linkage connecting pin, tightly
Determine screw and O-ring seal three；
The ultraviolet quartz glass two is pressed one end of lens barrel two, the other end of the lens barrel two by lens barrel end cap two
It is mounted in after loading onto O-ring seal two in the mounting groove three on the movable body of heater side end, on the movable body of heater opposite side end
O-ring seal three is set with, graphite cone two is inserted into the mounting groove four at the movable body of heater opposite side end, and the axis of guide fixes dress
On the movable furnace part, linkage connecting pin is connected mounted in the movable body of heater with the linkage.
Further, the linkage includes banking stop, nut, spring, crank, rotating shaft, hinge, handle, connecting rod and axle
Use snap ring；
The crank is passed through from the hole in rotating shaft and hinge, and spring is cased with the crank, and the crank is worn from hinge
The one end crossed utilizes nut locking, and handle is housed in the rotating shaft, and the hinge connection has connecting rod, the connecting rod and the connecting rod
Mechanism connecting pin is connected, and the rotating shaft is on base component.
Further, the base component includes pedestal, electric bakelite fixed block, linear bearing and holding screw, the straight line
Bearing is arranged in the hole of electric bakelite fixed block and compressed by holding screw, passes through screw between pedestal and electric bakelite fixed block
Connection.
Beneficial effect
Self-adapting type graphite furnace self-locking device provided by the invention, can be completely with the variable connecting rod machine of itself crank length
Structure realizes locking function, compact-sized, function-stable is reliable, no self-locking impact, while can be worked in graphite furnace atomizer
During adaptive graphite-pipe length change amount.The service life of graphite-pipe can effectively be extended, reduce use cost.
Brief description of the drawings
Accompanying drawing 1 is the product figure of the embodiment of the present invention.
Accompanying drawing 2 is the exploded view of the embodiment of the present invention.
Accompanying drawing 3 is the exploded view that furnace part is fixed in the embodiment of the present invention.
Accompanying drawing 4 is the structural representation that furnace part is fixed in the embodiment of the present invention.
Accompanying drawing 5 is the exploded view of movable furnace part in the embodiment of the present invention.
Accompanying drawing 6 is the structural representation of movable furnace part in the embodiment of the present invention.
Accompanying drawing 7 is the structural representation of linkage in the embodiment of the present invention.
Accompanying drawing 8 is the exploded view of base component in the embodiment of the present invention.
Accompanying drawing 9 is the structural representation of base component in the embodiment of the present invention.
Accompanying drawing 10 is the course of work schematic diagram of the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the present invention will be further described.
Embodiment
As shown in figure 1 and 2, self-adapting type graphite furnace self-locking device, it includes fixed furnace part 1, movable body of heater portion
Part 2, linkage 3 and base component 4, the fixed furnace part 1 is on the base component, the movable furnace part
2 are connected with the base component 4, the relative position energy quilt between the movable furnace part 2 and the fixed furnace part 1
The linkage 3 is adjusted.
As shown in figures 3 and 4, the fixed furnace part 1 includes fixed body of heater 101, graphite cone 1, graphite-pipe
103, gas path joint 1, lens barrel 1, saturating ultraviolet quartz glass 1, lens barrel end cap 1, O-ring seal 1,
Water pipe head 1, copper conductor connection terminal 110；
The ultraviolet quartz glass 1 is fitted in one end of lens barrel 105 1, the lens barrel by lens barrel end cap 1
One 105 other end is mounted in the 101a of mounting groove one on the fixed side of body of heater 101 1 after loading onto O-ring seal 1,
For the 101b of mounting groove two of 101 another side of fixed body of heater built with graphite cone 1, the graphite-pipe 103 is inserted into institute
State in graphite cone 1, the gas path joint 1 and copper conductor connection terminal 110 are mounted in the side of the fixed body of heater 101
Face, the water pipe head 1 stretch into the base component 4 mounted in the lower surface of the fixed body of heater 101.
As depicted in figures 5 and 6, the movable furnace part 2 includes movable body of heater 201, lens barrel 2 204, saturating ultraviolet quartz
Glass 2 205, lens barrel end cap 2 203, O-ring seal 2 206, graphite cone 2 207, the axis of guide 202, gas path joint 2 210, water
Pipe joint 2 211, terminal 212, linkage connecting pin 213, holding screw 214 and O-ring seal 3 215；
The ultraviolet quartz glass 2 205 is pressed one end of lens barrel 2 204, the lens barrel by lens barrel end cap 2 203
2 204 other end is mounted in the 201a of mounting groove three on the movable side of body of heater 201 1 after loading onto O-ring seal 2 206,
O-ring seal 3 215 is set with 201 another side of movable body of heater, graphite cone 2 207 is inserted into the movable body of heater
In the 201b of mounting groove four of 201 another sides, the axis of guide 202 is installed on the movable furnace part 2, linkage connection
Pin 213 is connected mounted in the movable body of heater 201 with the linkage 3.
As shown in Figure 7, the linkage 3 includes banking stop 301, nut 302, spring 303, crank 304, rotating shaft
305, hinge 306, handle 307, connecting rod 308 and axle snap ring 309；
The crank 304 is passed through from the hole in rotating shaft 305 and hinge 306, and spring 303, institute are cased with the crank 304
State crank 304 to lock using nut 302 from one end that hinge 306 passes through, handle 307, the hinge are housed in the rotating shaft 305
306 are connected with connecting rod 308, and the connecting rod 308 is connected with the linkage connecting pin 213, and the rotating shaft 305 is mounted in pedestal
On part 4.
As shown in figs. 8 and 9, the base component 4 includes pedestal 401, electric bakelite fixed block 402, the He of linear bearing 403
Holding screw 404, the linear bearing 403 are arranged in the hole of electric bakelite fixed block 402 and compressed by holding screw 404,
Connected between pedestal 401 and electric bakelite fixed block 402 by screw 405.
The course of work of the present embodiment is：As shown in Figure 10, when needing to open graphite furnace replacing graphite-pipe, counterclockwise
Turning knob handle 307, the spring 303 being enclosed between crank 304 and hinge 306 are compressed, and crank 304 participates in the effective of motion
Length shortens, elongated again after the continuation of crank 304 rotate counterclockwise crosses the position conllinear with connecting rod 308, continues counterclockwise
Turn knob handle 307, spring 303 again slowly open by elongated driving activity body of heater, when hinge is flicked and banking stop by spring 303
Effective active length of crank 304 reaches maximum and keeps constant during 301 contact, and now the pretightning force of spring can pass through nut
302 are adjusted.
When needing to close graphite furnace, joystick knob 307, driving of the movable body of heater in slider-crank mechanism are rotated clockwise
Under move right, when movable body of heater reaches two graphite cone 1 and stone on fixed body of heater 101 and movable body of heater 201
Ink cone 2 207 will be contacted with graphite-pipe 103, continue to rotate clockwise joystick knob 307, and spring 303 is slowly compressed, now,
The length of spring 303 reaches most short, and spring 303 is slowly elongated again after crossing the position, upper raised points and electric glue when connecting rod 308
After wooden fixed block 401 contacts, still there is certain elastic force on spring 303, the power can keep two graphite cones 1 and stone
Ink cone 2 207 compresses graphite-pipe 103.When graphite-pipe heating is elongated, because the decrement of spring not yet reaches maximum, therefore
It can continue to be compressed to compensate the elongation of graphite-pipe, now be added in the increase before the thrust on graphite-pipe extends than heating
The maximum incrementss for being no more than spring force of value, so selecting suitable spring rate to compensate the elongation of graphite-pipe again
It can play a part of compressing graphite-pipe.For example, when selection central diameter is 11mm, line footpath 0.8mm, number of active coils 6, number of total coils
For 8 spring when, its rigidity is about 0.506n/mm, when the length of graphite-pipe increases 2mm, the compression that is added on graphite-pipe
The maximum only increase 1.12N of power.Thrust before graphite-pipe heating is 10.13N, therefore a kind of described adaptive graphite length of tube
The graphite furnace atomizer device of change can effectively compress graphite-pipe, can effectively prevent graphite-pipe in heating process again
It is middle to be broken.
Claims (5)
1. self-adapting type graphite furnace self-locking device, it is characterised in that：It includes fixed furnace part (1), movable furnace part
(2), linkage (3) and base component (4), the fixed furnace part (1) is on the base component, the travelling oven
Body component (2) is connected with the base component (4), between the movable furnace part (2) and the fixed furnace part (1)
Relative position can be adjusted by the linkage (3).
2. self-adapting type graphite furnace self-locking device as claimed in claim 1, it is characterised in that：The fixed furnace part (1)
Including fixed body of heater (101), graphite bores one (102), graphite-pipe (103), gas path joint one (104), lens barrel one (105), saturating purple
Outer quartz glass one (106), lens barrel end cap one (107), O-ring seal one (108), water pipe head one (109), copper conductor connection
Terminal (110)；
The ultraviolet quartz glass one (106) is fitted in one end of lens barrel (105) one, the mirror by lens barrel end cap one (107)
The other end of one (105) of cylinder loads onto mounting groove of the O-ring seal one (108) afterwards on the fixed side of body of heater (101) one
In one (101a), the mounting groove two (101b) of another side of the fixed body of heater (101) bores one (102) built with graphite, described
Graphite-pipe (103) is inserted into the graphite and bored in one (102), the gas path joint one (104) and copper conductor connection terminal (110)
Mounted in the side end face of the fixed body of heater (101), the water pipe head one (109) is mounted in the lower end of the fixed body of heater (101)
The base component (4) is stretched into face.
3. self-adapting type graphite furnace self-locking device as claimed in claim 1, it is characterised in that：The movable furnace part (2)
Including movable body of heater (201), lens barrel two (204), saturating ultraviolet quartz glass two (205), lens barrel end cap two (203), O-ring seal
Two (206), graphite bore two (207), the axis of guide (202), gas path joint two (210), water pipe head two (211), terminal
(212), linkage connecting pin (213), holding screw (214) and O-ring seal three (215)；
The ultraviolet quartz glass two (205) is pressed one end of lens barrel two (204), the mirror by lens barrel end cap two (203)
The other end of two (204) of cylinder loads onto mounting groove of the O-ring seal two (206) afterwards on the movable side of body of heater (201) one
In three (201a), O-ring seal three (215) is set with another side of the movable body of heater (201), graphite is bored two (207) and inserted
In the mounting groove four (201b) of another side of the movable body of heater (201), the axis of guide (202) is installed on the travelling oven
On body component (2), linkage connecting pin (213) is connected mounted in the movable body of heater (201) with the linkage (3).
4. self-adapting type graphite furnace self-locking device as claimed in claim 1, it is characterised in that：The linkage (3) includes
Banking stop (301), nut (302), spring (303), crank (304), rotating shaft (305), hinge (306), handle (307), connecting rod
(308) and axle is with snap ring (309)；
The crank (304) is passed through from the hole in rotating shaft (305) and hinge (306), and spring is cased with the crank (304)
(303), the crank (304) is locked from one end that hinge (306) passes through using nut (302), is equipped with the rotating shaft (305)
Handle (307), the hinge (306) are connected with connecting rod (308), the connecting rod (308) and the linkage connecting pin (213)
It is connected, the rotating shaft (305) is on base component (4).
5. self-adapting type graphite furnace self-locking device as claimed in claim 1, it is characterised in that：The base component (4) includes
Pedestal (401), electric bakelite fixed block (402), linear bearing (403) and holding screw (404), linear bearing (403) peace
Compressed in the hole of electric bakelite fixed block (402) and by holding screw (404), pedestal (401) and electric bakelite fixed block
(402) connected between by screw (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359882.0A CN107894397A (en) | 2017-12-18 | 2017-12-18 | Self-adapting type graphite furnace self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359882.0A CN107894397A (en) | 2017-12-18 | 2017-12-18 | Self-adapting type graphite furnace self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107894397A true CN107894397A (en) | 2018-04-10 |
Family
ID=61807580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711359882.0A Pending CN107894397A (en) | 2017-12-18 | 2017-12-18 | Self-adapting type graphite furnace self-locking device |
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Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022530A (en) * | 1974-03-22 | 1977-05-10 | Bodenseewerk Perkin-Elmer & Co. Gmbh | Device for atomizing a sample for flameless atomic absorption measurements |
| GB1482847A (en) * | 1974-03-22 | 1977-08-17 | Bodenseewerk Perkin Elmer Co | Device for atomizing a sample for flameless atomic absorption spectroscopy measurements |
| US4895443A (en) * | 1987-06-19 | 1990-01-23 | The Perkin-Elmer Corporation | Method and apparatus for electrothermal atomization of samples |
| DE9001771U1 (en) * | 1990-02-15 | 1990-04-19 | Ringsdorff-Werke GmbH, 5300 Bonn | Graphite tube furnace with locked sample carrier for atomic absorption spectroscopy |
| EP0423517A1 (en) * | 1989-10-18 | 1991-04-24 | Bodenseewerk Perkin-Elmer Gmbh | Dosing device for analytical instruments |
| RU2112959C1 (en) * | 1997-05-28 | 1998-06-10 | Товарищество с ограниченной ответственностью "Кортэк" | Atomic absorption spectrometer and mounting fixture for it |
| JP2000065738A (en) * | 1998-08-26 | 2000-03-03 | Hitachi Ltd | Atomic absorption photometer |
| CN101294895A (en) * | 2007-04-29 | 2008-10-29 | 马怡载 | Transverse heating graphite furnace constant magnetic field Zeeman atomic absorption photometer for non-standard analysis |
| CN101382487A (en) * | 2008-08-04 | 2009-03-11 | 马怡载 | Novel transverse heating graphite furnace with cover for transversal magnetic field Zeeman atomic absorption photometer |
| CN201296660Y (en) * | 2008-11-14 | 2009-08-26 | 上海光谱仪器有限公司 | Graphite oven end favorable to accurate fastening motion |
| CN101734652A (en) * | 2008-11-14 | 2010-06-16 | 上海光谱仪器有限公司 | Pneumatic clamping graphite furnace head |
| CN202057535U (en) * | 2011-03-18 | 2011-11-30 | 安徽皖仪科技股份有限公司 | Auxiliary sample introduction device for graphite furnace |
| CN103626381A (en) * | 2012-08-27 | 2014-03-12 | 浙江富通光纤技术有限公司 | Graphite furnace for sintering glass loose mass |
| CN203595663U (en) * | 2013-11-15 | 2014-05-14 | 上海仪电分析仪器有限公司 | Atomizer position autocorrelation device |
| CN204116222U (en) * | 2014-11-04 | 2015-01-21 | 福州艾迪康医学检验所有限公司 | The clamping device of graphite-pipe in a kind of elemental analyser |
| CN104534864A (en) * | 2014-12-01 | 2015-04-22 | 咸阳华光窑炉设备有限公司 | Electrically-heating continuous internal-heating high temperature rotary kiln |
| CN204405527U (en) * | 2015-02-09 | 2015-06-17 | 王雷钧 | A kind of graphite furnace graphite-pipe stationary installation |
| CN105115923A (en) * | 2015-09-22 | 2015-12-02 | 上海光谱仪器有限公司 | Detachable AC Zeeman graphite furnace atomizer |
| CN105142256A (en) * | 2015-09-16 | 2015-12-09 | 苏州汇科机电设备有限公司 | Feeding structure of high-temperature vacuum sintering furnace |
| CN105157424A (en) * | 2015-09-16 | 2015-12-16 | 苏州汇科机电设备有限公司 | High-temperature vacuum sintering furnace capable of heating with graphite heating rods |
| CN105371965A (en) * | 2015-11-30 | 2016-03-02 | 上海仪电分析仪器有限公司 | Temperature measurement device of atomizer graphite furnace |
| CN206513970U (en) * | 2016-12-16 | 2017-09-22 | 甘洛鑫晶源新材料有限公司 | A kind of sealing connecting component for preventing graphite-pipe by thermal destruction |
| CN208206765U (en) * | 2017-12-18 | 2018-12-07 | 上海仪电分析仪器有限公司 | Self-adapting type graphite furnace self-locking device |
-
2017
- 2017-12-18 CN CN201711359882.0A patent/CN107894397A/en active Pending
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022530A (en) * | 1974-03-22 | 1977-05-10 | Bodenseewerk Perkin-Elmer & Co. Gmbh | Device for atomizing a sample for flameless atomic absorption measurements |
| GB1482847A (en) * | 1974-03-22 | 1977-08-17 | Bodenseewerk Perkin Elmer Co | Device for atomizing a sample for flameless atomic absorption spectroscopy measurements |
| US4895443A (en) * | 1987-06-19 | 1990-01-23 | The Perkin-Elmer Corporation | Method and apparatus for electrothermal atomization of samples |
| EP0423517A1 (en) * | 1989-10-18 | 1991-04-24 | Bodenseewerk Perkin-Elmer Gmbh | Dosing device for analytical instruments |
| DE9001771U1 (en) * | 1990-02-15 | 1990-04-19 | Ringsdorff-Werke GmbH, 5300 Bonn | Graphite tube furnace with locked sample carrier for atomic absorption spectroscopy |
| RU2112959C1 (en) * | 1997-05-28 | 1998-06-10 | Товарищество с ограниченной ответственностью "Кортэк" | Atomic absorption spectrometer and mounting fixture for it |
| JP2000065738A (en) * | 1998-08-26 | 2000-03-03 | Hitachi Ltd | Atomic absorption photometer |
| CN101294895A (en) * | 2007-04-29 | 2008-10-29 | 马怡载 | Transverse heating graphite furnace constant magnetic field Zeeman atomic absorption photometer for non-standard analysis |
| CN101382487A (en) * | 2008-08-04 | 2009-03-11 | 马怡载 | Novel transverse heating graphite furnace with cover for transversal magnetic field Zeeman atomic absorption photometer |
| CN101734652A (en) * | 2008-11-14 | 2010-06-16 | 上海光谱仪器有限公司 | Pneumatic clamping graphite furnace head |
| CN201296660Y (en) * | 2008-11-14 | 2009-08-26 | 上海光谱仪器有限公司 | Graphite oven end favorable to accurate fastening motion |
| CN202057535U (en) * | 2011-03-18 | 2011-11-30 | 安徽皖仪科技股份有限公司 | Auxiliary sample introduction device for graphite furnace |
| CN103626381A (en) * | 2012-08-27 | 2014-03-12 | 浙江富通光纤技术有限公司 | Graphite furnace for sintering glass loose mass |
| CN203595663U (en) * | 2013-11-15 | 2014-05-14 | 上海仪电分析仪器有限公司 | Atomizer position autocorrelation device |
| CN204116222U (en) * | 2014-11-04 | 2015-01-21 | 福州艾迪康医学检验所有限公司 | The clamping device of graphite-pipe in a kind of elemental analyser |
| CN104534864A (en) * | 2014-12-01 | 2015-04-22 | 咸阳华光窑炉设备有限公司 | Electrically-heating continuous internal-heating high temperature rotary kiln |
| CN204405527U (en) * | 2015-02-09 | 2015-06-17 | 王雷钧 | A kind of graphite furnace graphite-pipe stationary installation |
| CN105142256A (en) * | 2015-09-16 | 2015-12-09 | 苏州汇科机电设备有限公司 | Feeding structure of high-temperature vacuum sintering furnace |
| CN105157424A (en) * | 2015-09-16 | 2015-12-16 | 苏州汇科机电设备有限公司 | High-temperature vacuum sintering furnace capable of heating with graphite heating rods |
| CN105115923A (en) * | 2015-09-22 | 2015-12-02 | 上海光谱仪器有限公司 | Detachable AC Zeeman graphite furnace atomizer |
| CN105371965A (en) * | 2015-11-30 | 2016-03-02 | 上海仪电分析仪器有限公司 | Temperature measurement device of atomizer graphite furnace |
| CN206513970U (en) * | 2016-12-16 | 2017-09-22 | 甘洛鑫晶源新材料有限公司 | A kind of sealing connecting component for preventing graphite-pipe by thermal destruction |
| CN208206765U (en) * | 2017-12-18 | 2018-12-07 | 上海仪电分析仪器有限公司 | Self-adapting type graphite furnace self-locking device |
Non-Patent Citations (3)
| Title |
|---|
| 侯书恩, 常诚: "雾化进样石墨炉原子吸收光谱法的研究 Ⅰ.直接雾化进样装置及其性能", 岩矿测试, no. 01, 20 March 1993 (1993-03-20) * |
| 李选培: "石墨炉原子吸收光谱仪的研制和开发", 现代科学仪器, no. 03, 25 June 2005 (2005-06-25) * |
| 马治中, 李实, 何建玲: "纵向交流磁场塞曼原子吸收光谱仪的研制", 分析试验室, no. 03, 28 May 1993 (1993-05-28) * |
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