CN111157308A - Food fast detector with continuous sampling function - Google Patents
Food fast detector with continuous sampling function Download PDFInfo
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- CN111157308A CN111157308A CN201911419115.3A CN201911419115A CN111157308A CN 111157308 A CN111157308 A CN 111157308A CN 201911419115 A CN201911419115 A CN 201911419115A CN 111157308 A CN111157308 A CN 111157308A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
- B01D36/045—Combination of filters with centrifugal separation devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Chemical Kinetics & Catalysis (AREA)
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- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a food fast detector with continuous sampling function, in particular to the technical field of food fast detection, which comprises a driving motor, a fixed disc, a liquid inlet device and a vibration device, wherein the output end of the driving motor is fixed with the lower part of the fixed disc; the oscillating device comprises a fixed seat; the liquid inlet device comprises an outer cylinder, a first liquid storage cylinder, a piston cylinder, a second liquid storage cylinder, a sample liquid cylinder and a sample inlet pipe; the outer cylinder body is elastically connected with the fixed seat; the first liquid storage cylinder is sleeved in the outer cylinder body and provided with a first through hole, the first liquid storage cylinder is provided with a piston rod, and the end part of the piston rod is fixed with the piston; the piston is arranged in the piston cylinder in a sliding mode, the piston cylinder is fixedly communicated with the second liquid storage cylinder, the second liquid storage cylinder is provided with a sealing plug, and the side wall of the second liquid storage cylinder is provided with a second through hole; one end of the sample inlet pipe is communicated with the sample liquid cylinder, and the other end of the sample inlet pipe is communicated with the first liquid storage cylinder. The invention has the advantage of continuous liquid feeding in the centrifugal process of the sample solution.
Description
Technical Field
The invention relates to the technical field of food quick inspection, in particular to a food quick inspection instrument with a continuous uninterrupted sample feeding function.
Background
The rapid detection technology is widely applied to the fields of medical diagnosis, bacterial detection, inspection and quarantine, food safety monitoring of environment and pesticide residue and the like, veterinary diagnosis, drug detection, drug screening, dynamic monitoring of biological reaction process, scientific research and the like, and comprises rapid diagnosis and detection of biological carried pathogens, cancer markers, heart markers, various hormones, illegal addition/pesticide/veterinary drug residue and the like. The rapid detection technology is particularly widely applied to the field of food detection, for example, a kit is used for qualitatively or semi-quantitatively detecting illegal additive/pesticide/veterinary drug residues in a food detection sample liquid, and a portable spectrometer or a chromatograph-mass spectrometer is used for quantitatively detecting hazardous substances in food.
In the technical field of traditional food quantitative quick test, the pretreatment steps of a technician on a sample are as follows: weighing a sample to be tested, crushing, extracting, centrifuging, purifying and concentrating to obtain a sample solution to be tested for on-machine analysis. However, the technician has the following problems in the pretreatment process of the sample: (1) when the extraction and centrifugation steps are performed, the sample liquid is usually poured into a centrifuge tube directly and then placed on a centrifuge for processing, so that part of precipitates are accumulated together, and the precipitation of the target component to be detected is not facilitated. (2) After the centrifugation of technical staff is finished, still need to carry out filtration purification treatment to the sample liquid, lead to the increase of experimental time, be not conform to the location of examining soon.
Disclosure of Invention
The invention provides a food fast detector with continuous sampling function, which has the advantage of continuous liquid feeding in the centrifugal process of sample solution.
In order to achieve the purpose, the invention provides the following technical scheme:
a food fast detector with continuous and uninterrupted sample introduction function is characterized by comprising a driving motor, a fixed disc, a liquid inlet device and a vibration device, wherein the output end of the driving motor is fixed below the fixed disc; the oscillating device comprises a fixed seat; the liquid inlet device comprises an outer cylinder, a first liquid storage cylinder for receiving sample solution, a piston cylinder, a second liquid storage cylinder for receiving filtered sample solution, a sample liquid cylinder and a sample inlet pipe; the outer cylinder body is elastically connected with the fixed seat; the first liquid storage cylinder is sleeved inside the outer cylinder, a first through hole for sample solution to pass through is formed in the side wall of the first liquid storage cylinder, a piston rod is fixedly arranged at one end, back to the fixed seat, of the first liquid storage cylinder, and the end part of the piston rod is fixed with the piston; the piston is arranged in the piston cylinder in a sliding mode, one end, back to the piston, of the piston cylinder is fixedly communicated with the second liquid storage cylinder, one end, facing the piston cylinder, of the second liquid storage cylinder is provided with a sealing plug, and a second through hole for allowing filtered sample liquid to flow into is formed in the side wall of the second liquid storage cylinder; one end of the sample inlet pipe is communicated with the sample liquid cylinder, and the other end of the sample inlet pipe is communicated with the first liquid storage cylinder.
Preferably, the oscillation device further comprises a fixed support rod, an upper fixed disc, a side fixing rod and a first elastic piece, wherein one end of the fixed support rod is fixed to the upper end of the fixed disc, the upper fixed disc is fixed to one end of the fixed support rod, the side fixing rod is fixedly arranged at the side end of the upper fixed disc, the first elastic piece is sleeved on the side fixing rod, a limiting ring is arranged at the side end of the side fixing rod, correspondingly, one end of the first elastic piece is fixed to the limiting ring, and the other end of the first elastic piece is fixed to the bottom end of the first liquid storage cylinder.
Preferably, the fixing seat is provided with a positioning seat, the end part of the outer cylinder body is fixedly sleeved with the positioning seat in a sealing manner, and the middle part of the positioning seat is provided with a through hole which is matched with the first elastic part to penetrate through.
Preferably, a positioning slide rail is arranged above the fixed disc, correspondingly, a fixed support is arranged at the lower end of the outer cylinder body, one end of the fixed support, which is fixed with the outer cylinder body, is in an arc shape, and the other end of the fixed support is in sliding connection with the positioning slide rail.
Preferably, the liquid inlet device further comprises a connecting rod, a U-shaped connecting rod and a liquid outlet joint; one end of the connecting rod is fixed with the side end of the fixed disc, one end of the U-shaped connecting rod is rotatably connected with one end of the connecting rod, which is back to the fixed disc, and the other end of the U-shaped connecting rod is fixed with the side end of the sample liquid cylinder; the liquid outlet joint is detachably arranged at the opening end of the sample liquid cylinder, a liquid inlet joint is arranged at one end, back to the first liquid storage cylinder, of the sample inlet pipe, an inserting pipe is arranged at the upper end of the liquid outlet joint, and correspondingly, an inserting groove matched with the inserting pipe is formed in the liquid inlet joint.
As preferred, inlet means is still including the fixed establishment who prevents to go out liquid joint and liquid inlet joint and break away from, fixed establishment includes spacing rotation pin, last spacing connecting rod, swivel head and second elastic component, the upper end of fixing base is equipped with the holding tank, the one end of second elastic component is fixed mutually with the tank bottom of holding tank, and the other end is fixed mutually with the lower extreme of last spacing connecting rod, it is fixed mutually with the side of swivel head to go up the spacing connecting rod, the one end of going up spacing connecting rod dorsad swivel head is equipped with the spacing clamp of the spacing rotation pin embedding of adaptation, spacing rotation pin rotates with the fixed disk to be connected, the one end of spacing rotation pin dorsad fixed disk is equipped with the fixed spacing portion of laminating with spacing clamp upper end, the swivel head is fixed with the side spiro union of fixing base.
Preferably, the number of the fixing seats is multiple, and two adjacent fixing seats are connected through an arc-shaped spring.
Preferably, the outer sides of the two side walls of the fixed seats are provided with limiting sliding rings for preventing the fixed seats from being separated due to centrifugation, and the fixed seats are connected in series through the limiting sliding rings.
The invention has the beneficial effects that:
in the invention, a technician can place the sample liquid in the sample liquid cylinder and drive the fixed disc to rotate by the driving motor. Because when rotating, centrifugal action makes the sample liquid in the sample liquid section of thick bamboo flow along the sampling tube (sample liquid section of thick bamboo is located the below, and centrifugal force upwards), directly enters into first liquid storage cylinder, and the sample liquid that enters into first liquid storage cylinder can flow outside the barrel inside through the filtering action of first liquid storage cylinder, can get into in the through-hole on the second liquid storage cylinder lateral wall through centrifugal action to realize the secondary filter. In order to accelerate the sample liquid to enter the second liquid storage cylinder, the piston cylinder is communicated with the second liquid storage cylinder for fixing, so that the piston can slide up and down in the piston cylinder in the centrifugal process, and the sample liquid outside the second liquid storage cylinder can be promoted to flow in. According to the invention, the food rapid detector is used for carrying out pretreatment operation on the sample, so that technicians can combine centrifugation and purification (filtration) in the experiment steps conveniently, and the time required by the experiment is saved. Meanwhile, the food rapid detector provided by the invention slowly feeds liquid in the centrifugal process, so that precipitation and accumulation in part of sample liquid can be prevented, and separation of effective substances is prevented from being interfered.
Drawings
Fig. 1 is a schematic structural diagram of a fast food inspection instrument with a continuous sampling function in this embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a fast food inspection apparatus with a continuous sampling function in this embodiment;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is an enlarged view of a portion C in fig. 3.
In the figure: 2. the device comprises a fixed disc, 21, a connecting rod, 22, a positioning slide rail, 23, a limiting rotation stop lever, 230, a fixing limiting part, 24, a U-shaped connecting rod, 25, a sample liquid cylinder, 26, a liquid outlet joint, 260, an insertion pipe, 27, a fixing support, 32, a positioning seat, 33, an outer cylinder body, 330, a sample inlet pipe, 331, a first liquid storage cylinder, 332, a piston rod, 333, a piston, 334, a piston cylinder, 335, a second liquid storage cylinder, 336, a liquid inlet joint, 34, a fixing seat, 35, a limiting slide ring, 36, an arc spring, 37, an upper fixed disc, 38, a side fixing rod, 380, a limiting ring, 39, a first elastic piece, 40, a fixing supporting rod, 51, a rotating head, 52, an upper limiting connecting rod, 520, a limiting clamp, 53 and a second elastic piece.
Detailed Description
The embodiment provides a technical scheme:
a food fast detector with continuous and uninterrupted sample introduction function comprises a driving motor, a fixed disc 2, a liquid inlet device and a vibration device, wherein the output end of the driving motor is fixed below the fixed disc 2; the oscillation device comprises a fixed seat 34; the liquid inlet device comprises an outer cylinder body 33, a first liquid storage cylinder 331 for receiving the sample solution, a piston cylinder 334, a second liquid storage cylinder 335 for receiving the filtered sample solution, a sample liquid cylinder 25 and a sample inlet pipe 330; the outer cylinder 33 is elastically connected with the fixed seat 34; the first liquid storage cylinder 331 is sleeved inside the outer cylinder 33, a first through hole for the sample solution to pass through is formed in the side wall of the first liquid storage cylinder 331, a piston rod 332 is fixedly arranged at one end, back to the fixing seat 34, of the first liquid storage cylinder 331, and the end part of the piston rod 332 is fixed with the piston 333; the piston 333 is arranged in the piston cylinder 334 in a sliding manner, one end of the piston cylinder 334, which is opposite to the piston 333, is fixedly communicated with the second liquid storage cylinder 335, one end of the second liquid storage cylinder 335, which faces the piston cylinder 334, is provided with a sealing plug, and the side wall of the second liquid storage cylinder 335 is provided with a second through hole for the filtered sample liquid to flow into; one end of the sample inlet tube 330 is communicated with the sample liquid cylinder 25, and the other end is communicated with the first liquid cylinder 331.
As shown in fig. 4, the oscillation device further includes a fixing support rod 40, an upper fixing tray 37, a side fixing rod 38 and a first elastic member 39, wherein one end of the fixing support rod 40 is fixed to the upper end of the fixing tray 2, the upper fixing tray 37 is fixed to the end of the fixing support rod 40 opposite to the fixing tray 2, the side fixing rod 38 is fixedly disposed at the side end of the upper fixing tray 37, the first elastic member 39 is sleeved on the side fixing rod 38, the side end of the side fixing rod 38 is provided with a limit ring 380, accordingly, one end of the first elastic member 39 is fixed to the limit ring 380, and the other end of the first elastic member is fixed to the bottom end of the first liquid storage cylinder. In order to enable the outer cylinder 33 to swing with a small amplitude during the centrifugation process, the side fixing rod 38 and the end of the first reservoir 331 are connected by a first elastic member 39 (spring) in this embodiment, so that the connection between the two is elastic.
In order to make the positioning effect of the outer cylinder 33 better and prevent the outer cylinder from falling off in the centrifugal process, the fixing seat 34 is provided with the positioning seat 32, the end part of the outer cylinder 33 is fixedly sleeved with the positioning seat 32 in a sealing manner, and the middle part of the positioning seat 32 is provided with a through hole for the first elastic part 39 to pass through.
As shown in fig. 5, a positioning slide rail 22 is disposed above the fixed disk 2, correspondingly, a fixed bracket 27 is disposed at the lower end of the outer cylinder 33, one end of the fixed bracket 27 fixed to the outer cylinder 33 is arc-shaped, and the other end is slidably connected to the positioning slide rail 22.
As shown in fig. 1, the liquid inlet device further comprises a connecting rod 21, a U-shaped connecting rod 24 and a liquid outlet joint 26; one end of the connecting rod 21 is fixed with the side end of the fixed disc 2, one end of the U-shaped connecting rod 24 is rotatably connected with one end of the connecting rod 21, which is back to the fixed disc 2, and the other end of the U-shaped connecting rod is fixed with the side end of the sample liquid cylinder 25; the liquid outlet joint 26 is detachably arranged at the opening end of the sample liquid cylinder 25, a liquid inlet joint 336 is arranged at one end of the sample inlet pipe 330, which is opposite to the first liquid storage cylinder 331, a plug-in pipe 260 is arranged at the upper end of the liquid outlet joint 26, and correspondingly, a plug-in groove for inserting the plug-in pipe 260 is arranged on the liquid inlet joint 336. During installation, the U-shaped connecting rod 24 can be turned over, so that the insertion pipe 260 on the liquid outlet joint 26 is aligned with the insertion groove, and liquid supply can be realized while centrifuging.
In this embodiment, the liquid inlet device further includes a fixing mechanism for preventing the liquid outlet connector 26 and the liquid inlet connector 336 from being separated, the fixing mechanism includes a limiting rotation stop lever 23, an upper limiting connecting rod 52, a rotating head 51 and a second elastic member 53, the upper end of the fixing base 34 is provided with a receiving groove, one end of the second elastic member 53 is fixed to the bottom of the receiving groove, the other end of the second elastic member is fixed to the lower end of the upper limiting connecting rod 52, the upper limiting connecting rod 52 is fixed to the side end of the rotating head 51, one end of the upper limiting connecting rod 52 facing away from the rotating head 51 is provided with a limiting clamp 520 matched with the limiting rotation stop lever 23 to be embedded, the limiting rotation stop lever 23 is rotatably connected with the fixing disc 2, one end of the limiting rotation stop lever 23 facing away from the fixing disc 2 is provided with a fixed limiting portion 230 fixed to the upper end of the. After inserting the inserting groove when inserting the plug tube 260, can upturning 23 and imbedding in the spacing clamp that spacing connecting rod tip set up, and the fixed spacing portion is fixed with the upper end laminating of spacing clamp, rotatable swivel head 51 (with the side spiro union of fixing base 34, be connected through spliced pole (showing in the figure) between swivel head 51 and the last spacing connecting rod 52, it is fixed with the spliced pole promptly to go up spacing connecting rod 52, the spliced pole passes through the bearing rotation with swivel head 51 and is connected), can realize fixing. Since the second elastic member (spring) always provides an upward pushing force to the upper limit connecting rod 52, the limit rotation blocking rod 23 can be prevented from falling off during the centrifugation.
In this embodiment, in order to further prevent the plurality of fixing seats 34 from being separated during the centrifugation process, the number of the fixing seats 34 is multiple, and two adjacent fixing seats 34 are connected by the arc-shaped spring 36.
In this embodiment, the outer sides of the two side walls of the fixed base 34 are provided with a limiting slip ring 35 for preventing the fixed base 34 from being separated due to centrifugation, and the fixed bases 34 are connected in series through the limiting slip ring 35.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A food fast detector with continuous and uninterrupted sample introduction function is characterized by comprising a driving motor, a fixed disc (2), a liquid inlet device and a vibration device, wherein the output end of the driving motor is fixed below the fixed disc (2);
the oscillating device comprises a fixed seat (34);
the liquid inlet device comprises an outer barrel body (33), a first liquid storage barrel (331) used for receiving a sample solution, a piston barrel (334), a second liquid storage barrel (335) used for receiving the filtered sample solution, a sample liquid barrel (25) and a sample inlet pipe (330);
the outer cylinder (33) is elastically connected with the fixed seat (34);
the first liquid storage cylinder (331) is sleeved inside the outer cylinder body (33), a first through hole for sample solution to pass through is formed in the side wall of the first liquid storage cylinder (331), a piston rod (332) is fixedly arranged at one end, back to the fixed seat (34), of the first liquid storage cylinder (331), and the end portion of the piston rod (332) is fixed to the piston (333);
the piston (333) is arranged in the piston cylinder (334) in a sliding mode, one end, back to the piston (333), of the piston cylinder (334) is fixedly communicated with the second liquid storage cylinder (335), one end, facing the piston cylinder (334), of the second liquid storage cylinder (335) is provided with a sealing plug, and a second through hole for allowing filtered sample liquid to flow into is formed in the side wall of the second liquid storage cylinder (335);
one end of the sample inlet pipe (330) is communicated with the sample liquid cylinder (25), and the other end is communicated with the first liquid storage cylinder (331).
2. The food fast detector with continuous and uninterrupted sample feeding function according to claim 1, it is characterized in that the oscillation device also comprises a fixed support rod (40), an upper fixed disc (37), a side fixed rod (38) and a first elastic piece (39), one end of the fixed supporting rod (40) is fixed with the upper end of the fixed disc (2), the upper fixed disk (37) is fixed with one end of the fixed support rod (40) back to the fixed disk (2), the side fixing rod (38) is fixedly arranged at the side end of the upper fixing disc (37), the first elastic piece (39) is sleeved on the side fixing rod (38), a limit ring (380) is arranged at the side end of the side fixing rod (38), one end of the first elastic piece (39) is fixed with the limiting ring (380), and the other end of the first elastic piece is fixed with the bottom end of the first liquid storage cylinder (331).
3. The food fast detector with continuous and uninterrupted sample feeding function according to claim 1, wherein the fixing seat (34) is provided with a positioning seat (32), the end of the outer cylinder (33) is fixed with the positioning seat (32) in a sealing and sleeving manner, and the middle of the positioning seat (32) is provided with a through hole for the first elastic member (39) to pass through.
4. The food fast detector with the continuous uninterrupted sample feeding function according to claim 1, characterized in that a positioning slide rail (22) is arranged above the fixed disk (2), correspondingly, a fixed bracket (27) is arranged at the lower end of the outer cylinder (33), one end of the fixed bracket (27) fixed with the outer cylinder (33) is arc-shaped, and the other end is connected with the positioning slide rail (22) in a sliding manner.
5. The food fast detector with continuous and uninterrupted sample feeding function according to claim 1, wherein the liquid inlet device further comprises a connecting rod (21), a U-shaped connecting rod (24) and a liquid outlet joint (26);
one end of the connecting rod (21) is fixed with the side end of the fixed disc (2), one end of the U-shaped connecting rod (24) is rotatably connected with one end of the connecting rod (21) back to the fixed disc (2), and the other end of the U-shaped connecting rod is fixed with the side end of the sample liquid cylinder (25);
the liquid outlet joint (26) is detachably arranged at the opening end of the sample liquid cylinder (25), a liquid inlet joint (336) is arranged at one end, back to the first liquid storage cylinder (331), of the sample inlet pipe (330), a plug pipe (260) is arranged at the upper end of the liquid outlet joint (26), and correspondingly, a plug groove for inserting the plug pipe (260) in an adaptive manner is formed in the liquid inlet joint (336).
6. The food fast detector with continuous and uninterrupted sample feeding function according to claim 5, wherein the liquid inlet device further comprises a fixing mechanism for preventing the liquid outlet joint (26) and the liquid inlet joint (336) from being separated, the fixing mechanism comprises a limit rotation stop lever (23), an upper limit connecting rod (52), a rotating head (51) and a second elastic member (53), the upper end of the fixing seat (34) is provided with a holding tank, one end of the second elastic member (53) is fixed with the tank bottom of the holding tank, the other end of the second elastic member is fixed with the lower end of the upper limit connecting rod (52), the upper limit connecting rod (52) is fixed with the side end of the rotating head (51), one end of the upper limit connecting rod (52) opposite to the rotating head (51) is provided with a limit clamp (520) embedded with the adaptive limit rotation stop lever (23), the limit rotation stop lever (23) is rotatably connected with the fixing disk (2), spacing rotation pin (23) one end dorsad fixed disk (2) is equipped with spacing clamp (520) upper end laminating fixed spacing portion (230), the side spiro union of head (51) and fixing base (34) is fixed in the rotation.
7. The food fast detector with the continuous uninterrupted sample feeding function according to claim 1, characterized in that the number of the fixing seats (34) is multiple, and two adjacent fixing seats (34) are connected through an arc-shaped spring (36).
8. The food fast detector with continuous and uninterrupted sample feeding function according to claim 7, wherein the outer sides of the two side walls of the fixed seat (34) are provided with a limiting slip ring (35) for preventing the fixed seat from being separated due to centrifugation, and a plurality of the fixed seats (34) are connected in series through the limiting slip ring (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911419115.3A CN111157308A (en) | 2019-12-31 | 2019-12-31 | Food fast detector with continuous sampling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911419115.3A CN111157308A (en) | 2019-12-31 | 2019-12-31 | Food fast detector with continuous sampling function |
Publications (1)
| Publication Number | Publication Date |
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| CN111157308A true CN111157308A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911419115.3A Withdrawn CN111157308A (en) | 2019-12-31 | 2019-12-31 | Food fast detector with continuous sampling function |
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| CN (1) | CN111157308A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122269A (en) * | 2019-12-31 | 2020-05-08 | 绿城农科检测技术有限公司 | Food fast detector with continuous sampling function |
-
2019
- 2019-12-31 CN CN201911419115.3A patent/CN111157308A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122269A (en) * | 2019-12-31 | 2020-05-08 | 绿城农科检测技术有限公司 | Food fast detector with continuous sampling function |
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Application publication date: 20200515 |
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| WW01 | Invention patent application withdrawn after publication |