CN208654104U - A kind of fid detector of ultralow detection limit - Google Patents
A kind of fid detector of ultralow detection limit Download PDFInfo
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- CN208654104U CN208654104U CN201821402946.0U CN201821402946U CN208654104U CN 208654104 U CN208654104 U CN 208654104U CN 201821402946 U CN201821402946 U CN 201821402946U CN 208654104 U CN208654104 U CN 208654104U
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- Prior art keywords
- collector
- fixedly connected
- air hose
- detection limit
- welding
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 239000001257 hydrogen Substances 0.000 claims abstract description 48
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 48
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 21
- 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 12
- 230000010287 polarization Effects 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 10
- 238000005452 bending Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 150000002500 ions Chemical class 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 150000001722 carbon compounds Chemical class 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011208 chromatographic data Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model discloses a kind of fid detectors of ultralow detection limit, including body and dust cap, dust cap is provided at the inner tip of the body, the dust cap is fixedly connected by welding in the inner tip of body, collector is provided with below the dust cap, the collector is fixedly connected on the bottom end of dust cap by card slot, the left and right ends of the center outer surface of the collector are provided with insulating trip, the insulating trip is fixed by screws at the center outer surface of collector, pressing plate is provided on the right side of the body, the pressing plate and insulating trip keep horizontal, the pressing plate is fixedly connected by welding on the right side of body, air hose and hydrogen pipe can be protected not to generate pipeline because of bending under normal external force and be bent the phenomenon that blocking, and mutually twining between pipeline and pipeline can be prevented to connect , stablizing for gas is transmitted so that air hose and hydrogen pipe be effectively protected, practicability is stronger.
Description
Technical field
The utility model relates to detector technologies fields, and in particular to a kind of fid detector of ultralow detection limit.
Background technique
Fid detector belongs to mass flow rate sensitive detector, not only has the characteristics that high sensitivity, linear range are wide, but also to behaviour
Make condition variation relative insensitivity, stability is good, is particularly suitable for doing constant or micro conventional analysis, FID detection in the market
The general detection of device is limited to: 1 × 1 × 10-11G/s (methane) order of magnitude, is widely used in volatile hydrocarbon and many
The detection of carbon compound, because responding fast being used cooperatively the quick analysis of achievable trace with capillary analysis technology,
It is one of most widely used detector in gas-chromatography instrument.Simultaneously gas chromatograph can be equipped with two independent hydrogen flames from
Sonization detector, FID use hydrogen as combustion gas, wherein mixed with helium, the eluant, eluents such as nitrogen, in a cylindric electrode
Nozzle at burn.Nozzle and inter-electrode voltage are up to several hectovolts, when carbon containing solute burns at nozzle, the electronics of generation/
Ion pair is collected generation electric current at nozzle and electrode, which is amplified and transmitted recorder or computerized data acquisition
At the A/D converter of system.
But when being detected at present with fid detector, detection is limited to: 1 × 1 × 10-11G/s (methane) order of magnitude,
It needs to connect hydrogen and air for detector when being difficult meet the needs of market-oriented, while detecting, and is transported to gas
When need use hose, hose is softer because of its quality when in use, when hose is mutually touched, easily there is a phenomenon where knot.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of fid detector of ultralow detection limit, solve it is set forth above
When being detected using fid detector, detection limit is not accurate enough, and needs to connect hydrogen and air for detector, and to gas
It needs to use hose when body is transported, hose is softer because of its quality when in use, when hose is mutually touched, easily knots
The phenomenon that, so that the problem of preventing the normal conveying of obstruction gas, influencing the normal use of detector, reaches and stablizes transport gas
Effect.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of FID inspections of ultralow detection limit
Device, including body and dust cap are surveyed, dust cap is provided at the inner tip of the body, the dust cap is by being welded and fixed
It is connected to the inner tip of body, collector is provided with below the dust cap, the collector is fixedly connected by card slot
In the bottom end of dust cap, the left and right ends of the center outer surface of the collector are provided with insulating trip, and the insulating trip passes through spiral shell
Silk is fixedly connected at the center outer surface of collector, and pressing plate is provided on the right side of the body, and the pressing plate and insulating trip are protected
Water holding is flat, and the pressing plate is fixedly connected by welding on the right side of the right side of body, the pressing plate letter that is fixedly connected by welding
Number pipe, the signal pipe are internally provided with signal wire, and the signal pipe is socketed signal wire, one end of the signal wire and collection
Pole is fixedly connected by welding, and nozzle is provided with below the collector, ion chamber's pedestal is provided with below the nozzle,
Ion chamber's pedestal is fixedly connected by welding at the inner bottom of body the bottom of by, and the bottom end of the nozzle passes through grafting
It is fixedly connected on the bottom end of ion chamber's pedestal, polarization motor is provided with below the signal pipe, the polarization motor passes through weldering
Connect the right lateral surface for being fixedly connected on body, the right end of the polarization motor is fixedly connected by welding electric wire, and the polarization is electric
The left end of machine extends through the inside of body, and air hose is provided on the left of the body, and the right end of the air hose passes through socket
It is connected to the left side of body, hydrogen pipe is provided with below the air hose, the right end of the hydrogen pipe is equally connected by socket
It connects in the left side of body, the socket that one end of the hydrogen pipe passes through connects nozzle, the air hose and hydrogen pipe by pipeline
Outer surface is provided with anti-knotting device, the anti-knotting device socket air hose and hydrogen pipe.
Further, the anti-knotting device includes gum cover and spring, and the outer surface of the air hose and hydrogen pipe is all provided with
It is equipped with gum cover, the left and right ends of the gum cover pass through glue connection rubber connecting sleeve.
Further, the gum cover of the air tube outer surface and spring and the gum cover of hydrogen tube outer surface and the size of spring
It is all different.
Further, the spring has certain ductility, and the spring can carry out the swing of any direction.
Further, there are four the insulating trip is arranged altogether, the size of the insulating trip, specification are all the same, described
Insulating trip is fixed by screws in collector middle-end outer surface.
Further, the top end of the body is connected with road of connecting wires.
Further, the two sides of the nozzle are provided with temperature sensor.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
1) the phenomenon that air hose and hydrogen pipe generate knotting in order to prevent when, using, has used anti-knotting device, anti-knotting
Device is provided with gum cover and spring, and which use spring, spring can be socketed in when in use by connecting the gum cover at both ends
Air hose and hydrogen pipe form a kind of protection to air hose and hydrogen pipe after spring socket.
2), because spring itself has certain coefficient of elasticity, air hose and hydrogen can be protected under normal external force
Pipe does not generate pipeline because of bending and is bent the phenomenon that blocking, and mutually twining between pipeline and pipeline can be prevented to connect,
It is transmitted to which air hose and hydrogen pipe be effectively protected to stablizing for gas, practicability is stronger.
3), the two sides of nozzle are provided with temperature sensor, and the temperature sensor of nozzle two sides, which can monitor, generates fire at nozzle
The temperature of flame can easily control the temperature of nozzle when in use in this way, more humanized.
4) when, fid detector is detected, detection limit be can achieve are as follows: 1 × 1 × 10-13G/s (methane) order of magnitude, makes
Its precision is higher.
Detailed description of the invention
Fig. 1 be the utility model proposes one kind it is ultralow detection limit fid detector entirety structural schematic diagram；
Fig. 2 be the utility model proposes one kind it is ultralow detection limit fid detector nozzle structural schematic diagram；
Fig. 3 be the utility model proposes one kind it is ultralow detection limit the anti-knotting device structural schematic diagram of fid detector；
Fig. 4 be the utility model proposes one kind it is ultralow detection limit fid detector collecting pole structure schematic diagram；
In figure: 1- air hose；2- hydrogen pipe；The anti-knotting device of 3-；The ion chamber 4- pedestal；5- body；6- electric wire；The pole 7-
Change voltage；8- nozzle；9- signal wire；10- signal pipe；11- pressing plate；12- collector；13- dust cap；14- insulating trip；31- glue
Set；32- spring.
In the technical program:
31 gum covers, 32 springs.Contain the innovative component of essence for the utility model.
1 air hose, 2 hydrogen pipes, 4 ion chamber's pedestals, 6 electric wires, 9 signal wires, 11 pressing plates, 13 dust caps, 32 springs.For reality
The existing essential connectivity component of technical solutions of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of FID detector of ultralow detection limit, packet
Body 5 and dust cap 13 are included, dust cap 13 is provided at the inner tip of body 5, dust cap 13 is fixedly connected by welding
The inner tip of body 5, the lower section of dust cap 13 are provided with collector 12, and collector 12 is fixedly connected on dust cap by card slot
13 bottom end, the left and right ends of the center outer surface of collector 12 are provided with insulating trip 14,14 company of being screwed of insulating trip
It connecing at the center outer surface of collector 12, the right side of body 5 is provided with pressing plate 11, and pressing plate 11 and insulating trip 14 keep horizontal,
Pressing plate 11 is fixedly connected by welding on the right side of body 5, and the right side of pressing plate 11 is fixedly connected by welding signal pipe 10, signal
Pipe 10 is internally provided with signal wire 9, and signal pipe 10 is socketed signal wire 9, and one end of signal wire 9 and collector 12 are solid by welding
Fixed connection, the lower section of collector 12 are provided with nozzle 8, and the lower section of nozzle 8 is provided with ion chamber's pedestal 4, and ion chamber's pedestal 4 passes through
Bottom is fixedly connected by welding at the inner bottom of body 5, and the bottom end of nozzle 8 is connected to ion chamber's pedestal by being plugged and fixed
4 bottom end, when fid detector is detected, so that can achieve detection limit is 1 × 1 × 10-13G/s (methane) order of magnitude,
Keep its precision higher.The lower section of signal pipe 10 is provided with polarization motor 7, and polarization motor 7 is fixedly connected by welding in body 5
The right end of right lateral surface, polarization motor 7 is fixedly connected by welding electric wire 6, and the left end of polarization motor 7 extends through the interior of body 5
Portion, the left side of body 5 are provided with air hose 1, and the right end of air hose 1 is connected to the left side of body 5 by socket, air hose 1
Lower section is provided with hydrogen pipe 2, and the right end of hydrogen pipe 2 equally passes through the left side that socket is connected to body 5, and one end of hydrogen pipe 2 is logical
The socket crossed connects nozzle 8 by pipeline, and air hose 1 and 2 outer surface of hydrogen pipe are provided with anti-knotting device 3, anti-knotting dress
Set 3 socket air hoses 1 and hydrogen pipe 2.
Wherein, the anti-knotting device 3 includes gum cover 31 and spring 32, and the outer surface of air hose 1 and hydrogen pipe 2 is all provided with
It is equipped with gum cover 31, the left and right ends of gum cover 31 pass through glue connection rubber connecting sleeve 31, and which use spring 32, spring 32 is being used
When can be socketed in air hose 1 and hydrogen pipe 2 by connecting the gum cover 31 at both ends, spring 32 be socketed after to air hose 1 and hydrogen
Pipe 2 forms a kind of protection, and because spring 32 itself has certain coefficient of elasticity, air hose can be protected under normal external force
1 and hydrogen pipe 2 pipeline is not generated because of bending and is bent the phenomenon that blocking, and can prevent between pipeline and pipeline
It mutually twines and connects, stablizing for gas is transmitted so that air hose 1 and hydrogen pipe 2 be effectively protected, practicability is stronger.
Wherein, the gum cover 31 and spring 32 of the gum cover 31 and spring 32 of 1 outer surface of air hose and 2 outer surface of hydrogen pipe
Size be all different, air hose 1 and hydrogen pipe 2 caliber are different, so the size of corresponding anti-knotting device 3 also not phase
Together, the size of the size of anti-knotting device 3 can be selected according to different calibers then.
Wherein, the spring 32 has certain ductility, and spring 32 can carry out the swing of any direction, can be convenient in this way
Air hose 1 and hydrogen pipe 2 carry out convenient and fast position movement when in use, in this way on the basis of not changing pipeline original function,
The phenomenon that occurring winding between pipeline and knotting is prevented, is more used.
Wherein, there are four the insulating trip 14 is arranged altogether, the size of insulating trip 14, specification are all the same, insulating trip 14
Being fixed by screws can prevent that the surface of body 5 generates charge in 12 middle-end outer surface of collector in this way, and
It can prevent after use, the phenomenon that shocking by electricity when user touches 5 surface of body.
Wherein, the top end of the body 5 is connected with road of connecting wires, after can be used in this way, to entire detector
Carry out discharge treatment, after electric discharge, when entire body 5 surface charge be in the state of a dynamic equilibrium.
Wherein, the two sides of the nozzle 8 are provided with temperature sensor, and the temperature sensor of 8 two sides of nozzle can monitor nozzle 8
Place generates the temperature of flame, can easily control the temperature of nozzle 8 when in use in this way, more humanized.
The fid detector of the ultralow detection limit of one kind that the utility model is mentioned, is needing to carry out in use, by sample
It is placed on the nozzle 8 of 4 top of ion chamber's pedestal, is supplied by hydrogen pipe 2, hydrogen is lighted at nozzle 8, and
By 8 structure detection of fid detector different spray nozzles obtain data (environment temperature: 18 DEG C, relative humidity: 55%, power supply 220V
(AC), detector structure is constant, and 8 aperture diameter of nozzle is in 0.5mm and 0.3mm, using methane as standard gas (methane in nitrogen
10.0*10-6Mol/mol), sample volume 0.5mL (quantitative loop), post case temperature section: 5-300 DEG C, the detection limit done compares real
Test): when 8 bore of nozzle is 0.5mm, measurement result is 3.1/3.6/3.3/3.9/4.1/3.6 and 3.5 respectively, is counted flat
Mean value: 3.6 × 10-11g/s；Touch mouthpiece diameter be 0.3mm when, measurement result is 5.6/5.2/5.9/5.1/5.4/ respectively
5.2 and 6.1, arithmetic average: 5.5 × 10-13G/s, when detecting fid detector, detection limit be can achieve are as follows: 1 × 1
×10-13G/s (methane) order of magnitude, keeps its precision higher, therefore deduces that aperture becomes smaller, and the detection line of detector can reduce,
So the detection of volatile hydrocarbon and many carbon compounds is widely used in, because response is fast and capillary analysis
Technology is used cooperatively the quick analysis of achievable trace, and sample is placed in hydrogen flame after lighting and is burnt, and generates ion
Stream, at this time in the case where electric wire 6 is powered, polarizing voltage 7 generates polarized electric field, makes negative ions under the action of polarized electric field
The movement of orientation reaches collector 12 to produce faint current signal, the signal that current signal passes through 11 right side of pressing plate
Line 9 is transmitted, and after transmission after micro current amplifier amplification, processing, then is transported to Chromatographic data system, and is made
The phenomenon that used time, air hose 1 and hydrogen pipe 2 generated knotting in order to prevent, has used anti-knotting device 3, and anti-knotting device 3 is arranged
Gum cover 31 and spring 32, which use spring 32, the gum cover 31 that spring 32 can pass through connection both ends when in use is socketed
In air hose 1 and hydrogen pipe 2, spring 32 forms a kind of protection to air hose 1 and hydrogen pipe 2 after being socketed, because spring 32 itself has
There is certain coefficient of elasticity, air hose 1 and hydrogen pipe 2 can be protected not to generate pipeline because of bending under normal external force
It is bent the phenomenon that blocking, and mutually twining between pipeline and pipeline can be prevented to connect, so that air hose 1 be effectively protected
Stablizing for gas is transmitted with hydrogen pipe 2, practicability is stronger, and the polarized electric field generation generated in order to prevent when in use
Charge is attached to the surface of body 5, is provided on the top of body 5 and connects electric equipment, so as to effectively eliminate device after use
The charge on 5 surface of body prevents user from accidentally contacting that 5 surface of body such as occurs shocking by electricity the safety accidents, to make the safety of detector
Coefficient is higher, feels more relieved.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made,
It should fall within the protection scope of the present utility model, technical content requested for protection of the utility model, all
It is all described in the claims.
Claims (7)
1. a kind of fid detector of ultralow detection limit, including body (5) and dust cap (13), it is characterised in that: the body
(5) it is provided at inner tip dust cap (13), the dust cap (13) is fixedly connected by welding in the inside of body (5)
Top is provided with collector (12) below the dust cap (13), and the collector (12) is fixedly connected on anti-by card slot
The left and right ends of the bottom end of dirt cap (13), the center outer surface of the collector (12) are provided with insulating trip (14), the insulation
Piece (14) is fixed by screws at the center outer surface of collector (12), is provided with pressing plate on the right side of the body (5)
(11), the pressing plate (11) and insulating trip (14) keep horizontal, and the pressing plate (11) is fixedly connected by welding in body (5)
Right side is fixedly connected by welding signal pipe (10) on the right side of the pressing plate (11), and signal pipe (10) are internally provided with
Signal wire (9), the signal pipe (10) are socketed signal wire (9), and one end and collector (12) of the signal wire (9) pass through welding
It is fixedly connected, is provided with nozzle (8) below the collector (12), be provided with ion chamber's pedestal below the nozzle (8)
(4), ion chamber's pedestal (4) is fixedly connected by welding at the inner bottom of body (5) bottom of by, the nozzle (8)
Bottom end by the way that the bottom end for being connected to ion chamber's pedestal (4) is plugged and fixed, polarization electricity is provided with below the signal pipe (10)
Machine (7), the polarization motor (7) are fixedly connected by welding on the right lateral surface of body (5), the right side of polarization motor (7)
End is fixedly connected by welding electric wire (6), and the left end of polarization motor (7) extends through the inside of body (5), the body
(5) it is provided on the left of air hose (1), the right end of the air hose (1) is connected to the left side of body (5) by socket, described
It is provided with below air hose (1) hydrogen pipe (2), the right end of the hydrogen pipe (2) equally passes through socket and is connected to body (5)
Left side, the socket that one end of the hydrogen pipe (2) passes through connect nozzle (8) by pipeline, the air hose (1) and hydrogen pipe
(2) outer surface is provided with anti-knotting device (3), anti-knotting device (3) socket air hose (1) and hydrogen pipe (2).
2. the fid detector of the ultralow detection limit of one kind according to claim 1, it is characterised in that: the anti-knotting device
It (3) include gum cover (31) and spring (32), the outer surface of the air hose (1) and hydrogen pipe (2) is provided with gum cover (31), institute
The left and right ends for stating gum cover (31) pass through glue connection rubber connecting sleeve (31).
3. the fid detector of the ultralow detection limit of one kind according to claim 2, it is characterised in that: the air hose (1) is outside
The gum cover (31) and spring (32) on surface are all different with the gum cover (31) of hydrogen pipe (2) outer surface and the size of spring (32).
4. the fid detector of the ultralow detection limit of one kind according to claim 2, it is characterised in that: spring (32) tool
There is certain ductility, the spring (32) can carry out the swing of any direction.
5. the fid detector of the ultralow detection limit of one kind according to claim 1, it is characterised in that: the insulating trip (14)
Altogether there are four settings, the size of the insulating trip (14), specification are all the same, and the insulating trip (14) is screwed
It is connected to collector (12) middle-end outer surface.
6. the fid detector of the ultralow detection limit of one kind according to claim 1, it is characterised in that: the top of the body (5)
Road of connecting wires is connected at end.
7. the fid detector of the ultralow detection limit of one kind according to claim 1, it is characterised in that: the two of the nozzle (8)
Side is provided with temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821402946.0U CN208654104U (en) | 2018-08-29 | 2018-08-29 | A kind of fid detector of ultralow detection limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821402946.0U CN208654104U (en) | 2018-08-29 | 2018-08-29 | A kind of fid detector of ultralow detection limit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208654104U true CN208654104U (en) | 2019-03-26 |
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ID=65792000
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821402946.0U Expired - Fee Related CN208654104U (en) | 2018-08-29 | 2018-08-29 | A kind of fid detector of ultralow detection limit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680686A (en) * | 2018-08-29 | 2018-10-19 | 宇博环保科技（苏州）有限公司 | A kind of fid detector of ultralow detection limit |
-
2018
- 2018-08-29 CN CN201821402946.0U patent/CN208654104U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680686A (en) * | 2018-08-29 | 2018-10-19 | 宇博环保科技（苏州）有限公司 | A kind of fid detector of ultralow detection limit |
| CN108680686B (en) * | 2018-08-29 | 2024-06-21 | 宇博环保科技（苏州）有限公司 | FID detector with ultralow detection limit |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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