CN114121333A - Radioactive ion distribution device - Google Patents
Radioactive ion distribution device Download PDFInfo
- Publication number
- CN114121333A CN114121333A CN202111191832.2A CN202111191832A CN114121333A CN 114121333 A CN114121333 A CN 114121333A CN 202111191832 A CN202111191832 A CN 202111191832A CN 114121333 A CN114121333 A CN 114121333A
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- CN
- China
- Prior art keywords
- fixedly connected
- steering
- wall
- isolation box
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002285 radioactive effect Effects 0.000 title claims abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000002955 isolation Methods 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 2
- 238000009423 ventilation Methods 0.000 claims 2
- 150000002500 ions Chemical class 0.000 abstract description 23
- 238000003384 imaging method Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000002547 new drug Substances 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
- G21H5/00—Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for
- G21H5/02—Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for as tracers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a radioactive ion distribution device, which relates to the technical field of imaging, and aims to solve the problems that the conventional radioactive ions are inconvenient to distribute, waste is easy to cause, and the irradiation risk is increased; the left side of receiving mechanism is equipped with the mechanism of blowing, and the mechanism of blowing drives receiving mechanism through first steering gear and rotates, be connected with the intake pipe on the mechanism of blowing, the top of intake pipe is connected with the nitrogen gas jar. The invention not only facilitates quantitative material receiving and blowing, does not need close-range operation of medical personnel, improves the safety of the medical personnel, but also facilitates automatic distribution of the blowing direction of radioactive ions, and simultaneously, the device can be repeatedly used, and the automation degree and the integration degree of the device are improved.
Description
Technical Field
The invention relates to the technical field of imaging, in particular to a radioactive ion distribution device.
Background
As the corollary of imaging, nuclear medicine has outstanding advantages in the aspect of detecting and wiping diseases such as tumor/heart/kidney, and the like, but develops slowly as a basic targeting tracer; hospitals and researches with scientific research capability effectively attach more and more importance to the research and development of new drugs. However, the radioactive specificity of the reagent is not capable of achieving random distribution of other reagents, and the precursor serving as the raw material is expensive, so that the radioactive ion distribution device is not only wasted but also increases the exposure risk of researchers when the reagent is used for one time, and therefore, the radioactive ion distribution device is proposed.
Disclosure of Invention
The radioactive ion distribution device provided by the invention solves the problems that the existing radioactive ions are inconvenient to distribute, waste is easy to cause, and the irradiation risk is increased.
In order to achieve the purpose, the invention adopts the following technical scheme:
the radioactive ion distribution device comprises an isolation box, wherein the inner wall of the bottom of the isolation box is rotatably connected with a material receiving mechanism, a liquid storage tank fixedly connected with the inner wall of the top of the isolation box is arranged above the material receiving mechanism, and a first steering gear is arranged on the material receiving mechanism; the left side of the material receiving mechanism is provided with an air blowing mechanism, the air blowing mechanism drives the material receiving mechanism to rotate through a first steering gear, the air blowing mechanism is connected with an air inlet pipe, the top end of the air inlet pipe is connected with a nitrogen tank, and the nitrogen tank is fixedly arranged on the inner wall of the top of the isolation box; the right side of receiving mechanism is equipped with lift allocation mechanism, lift allocation mechanism activity runs through the shielded box, lift allocation mechanism's left side activity cover is equipped with the fixing base, and the inner wall fixed connection of fixing base and shielded box, the bottom fixedly connected with of fixing base connects the trachea.
Preferably, the material receiving mechanism comprises a rotating shaft which is rotatably connected with the inner wall of the bottom of the isolation box, the first steering gear is fixedly sleeved outside the rotating shaft, the top of the rotating shaft is fixedly connected with a disc, a plurality of air blowing holes are arranged on the disc in an array along the circumferential direction of the disc, an air blowing hopper fixedly connected with the disc is arranged above the air blowing hole, a quantitative pipe is fixedly connected with the top of the air blowing hopper, a ball valve is sleeved in the blowing hopper, a valve rod is arranged on the ball valve, one end of the valve rod is fixedly connected with an opening and closing gear, the inner wall of the front side of the isolation box is fixedly connected with an opening rack, the inner wall of the back side of the isolation box is fixedly connected with a closing rack, the tooth of opening the rack sets up, the tooth of closed rack sets up down, open equal fixedly connected with connecting rod on rack and the closed rack, and the other end of connecting rod and the inner wall fixed connection of shielded cell.
Preferably, the mechanism of blowing includes fixed cover, the inner wall fixedly connected with double-shaft motor of fixed cover, double-shaft motor's top output shaft fixedly connected with flabellum, double-shaft motor's bottom output shaft fixedly connected with drive gear, and drive gear and the meshing transmission of first steering gear, intake pipe and fixed cover intercommunication.
Preferably, the lift allocation mechanism includes the push rod motor with the bottom inner wall fixed connection of shielded box, the output shaft fixedly connected with lifter plate of push rod motor, and lifter plate and fixed cover fixed connection, the top right side fixedly connected with steering rack of lifter plate, steering rack's front is equipped with movable sleeve and establishes the steering tube inside the fixing base, the outside fixed cover of steering tube is equipped with the second steering gear, and second steering gear and steering rack meshing transmission, the jet-propelled pipe of right-hand member fixedly connected with intercommunication with it of steering tube.
Preferably, the inside of fixing base has seted up the inserting groove, the inner wall of inserting groove is equipped with the sealing washer, the bottom of fixing base has seted up the air vent, and connects the trachea and pass through air vent and inserting groove intercommunication.
Preferably, the venthole has been seted up on the top left side of shielded box, the inside movable sleeve of venthole is equipped with the counter weight stopper, the bottom of liquid storage pot is equipped with the drain pipe, be equipped with the solenoid valve on the drain pipe, the top of liquid storage pot is equipped with the feed liquor pipe that runs through the shielded box.
Preferably, the both sides fixedly connected with bracing piece of biax motor, and the bracing piece is kept away from the one end of biax motor and the inner wall fixed connection of fixed cover, the top fixedly connected with sealing washer of fixed cover.
Preferably, a controller is installed on the top of the outer wall of the left side of the isolation box, and the controller is WT-QD-3 in model.
Preferably, the steering rack comprises a plate body and a plurality of teeth, and the teeth are hinged to the plate body, so that the steering rack is disengaged from the second steering gear when moving downwards, and the steering rack is normally engaged with the second steering gear when moving upwards for transmission.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the material receiving mechanism is arranged, quantitative material receiving can be carried out in the rotating process of the material receiving mechanism, continuous material receiving is facilitated, and meanwhile, opening and closing of the quantitative tube can be realized in the rotating process, so that subsequent material blowing and material receiving can be automatically carried out conveniently, close-range contact of medical personnel is avoided, and the safety of the medical personnel is improved;
2. according to the ion distribution device, the air blowing mechanism and the lifting and distributing mechanism are installed, the lifting and distributing mechanism can drive the air blowing mechanism to lift and drive the air spraying pipe to turn, so that ion distribution in different directions is facilitated, the air blowing mechanism can provide driving force for the material receiving mechanism when descending, and air blowing treatment can be performed after the air blowing mechanism ascends, so that the whole device is multipurpose, and the automation degree and the integration degree of the device are improved;
to sum up, the device is novel in design, and easy operation not only conveniently carries out the ration and connects the material and blow the material, does not need medical personnel's operation closely, improves medical personnel's security, but also makes things convenient for automatic distribution radioactive ion to blow off the direction, and equipment can used repeatedly simultaneously, improve equipment's degree of automation and integrated degree.
Drawings
Fig. 1 is a schematic cross-sectional view of a radioactive ion distribution apparatus according to the present invention;
FIG. 2 is a schematic cross-sectional view of the radioactive ion distribution apparatus of the present invention when the steering rack moves downward;
fig. 3 is a schematic front view of a second steering gear and a steering rack of the radioactive ion distribution apparatus according to the present invention;
fig. 4 is a schematic perspective view of an opening rack of the radioactive ion distribution apparatus according to the present invention;
FIG. 5 is a schematic perspective view of a disk and a quantitative tube of the radioactive ion distribution device according to the present invention;
fig. 6 is a schematic perspective view of a disc, a quantitative tube, an opening rack and a closing rack of the radioactive ion distribution device according to the present invention.
In the figure: 1 isolation box, 2 rotating shafts, 3 first steering gears, 4 discs, 5 blowing hoppers, 6 ball valves, 7 valve rods, 8 opening and closing gears, 9 opening racks, 10 closing racks, 11 connecting rods, 12 quantitative pipes, 13 blowing holes, 14 push rod motors, 15 lifting plates, 16 fixing covers, 17 double-shaft motors, 18 fan blades, 19 driving gears, 20 air inlet pipes, 21 nitrogen tanks, 22 fixing seats, 23 air receiving pipes, 24 steering pipes, 25 air injection pipes, 26 second steering gears, 27 steering racks, 28 liquid storage tanks and 29 counterweight plugs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1 and 4-6: the radioactive ion distribution device comprises an isolation box 1, wherein the inner wall of the bottom of the isolation box 1 is rotatably connected with a material receiving mechanism, a liquid storage tank 28 fixedly connected with the inner wall of the top of the isolation box 1 is arranged above the material receiving mechanism, and a first steering gear 3 is arranged on the material receiving mechanism;
a blowing mechanism is arranged on the left side of the material receiving mechanism and drives the material receiving mechanism to rotate through a first steering gear 3, an air inlet pipe 20 is connected to the blowing mechanism, a nitrogen tank 21 is connected to the top end of the air inlet pipe 20, and the nitrogen tank 21 is fixedly arranged on the inner wall of the top of the isolation box 1;
receiving mechanism's right side is equipped with lift allocation mechanism, and lift allocation mechanism activity runs through shielded box 1, and lift allocation mechanism's left side activity cover is equipped with fixing base 22, and the inner wall fixed connection of fixing base 22 and shielded box 1, and the bottom fixedly connected with of fixing base 22 connects trachea 23.
In the invention, the material receiving mechanism comprises a rotating shaft 2 rotatably connected with the inner wall of the bottom of an isolation box 1, a first steering gear 3 is fixedly sleeved outside the rotating shaft 2, a disc 4 is fixedly connected to the top of the rotating shaft 2, a plurality of air blowing holes 13 are formed in the disc 4 along the circumferential array of the disc 4, an air blowing hopper 5 fixedly connected with the disc 4 is arranged above the air blowing holes 13, a quantitative pipe 12 is fixedly connected to the top of the air blowing hopper 5, a ball valve 6 is sleeved inside the air blowing hopper 5, a valve rod 7 is installed on the ball valve 6, one end of the valve rod 7 is fixedly connected with an opening gear 8, the inner wall of the front side of the isolation box 1 is fixedly connected with an opening rack 9, the inner wall of the back side of the isolation box 1 is fixedly connected with a closing rack 10, teeth of the opening rack 9 are arranged upwards, teeth of the closing rack 10 are arranged downwards, connecting rods 11 are fixedly connected to both the opening rack 9 and the closing rack 10, and the other end of the connecting rods 11 is fixedly connected with the inner wall of the isolation box 1; the controller is electrically connected with the electromagnetic valve, the double-shaft motor 17 and the push rod motor 14 through leads, the opening and closing of the electromagnetic valve, the double-shaft motor 17 and the push rod motor 14 are controlled through the controller, when the lifting and descending allocation mechanism drives the blowing mechanism to move downwards, the driving gear 19 on the blowing mechanism is in meshing transmission with the first steering gear 3, the double-shaft motor 17 drives the rotating shaft 2 to rotate through the driving gear 19 and the first steering gear 3, the rotating shaft 2 drives the disc 4 to rotate, the disc 4 drives the blowing hopper 5 and the quantitative tube 12 to rotate, so that the quantitative tube 12 stops rotating below the liquid outlet pipe at the bottom of the liquid storage tank 28 when rotating, at the moment, the electromagnetic valve is started to be opened, the radioactive ions in the liquid storage tank 28 can conveniently flow into the quantitative tube 12, after the material receiving is completed, the disc 4 continues to rotate 90 degrees, and the quantitative tube 12 which completes the material receiving can pass through the opening rack 9, and switching gear 8 when opening rack 9 and rotating, can drive valve rod 7 and rotate, valve rod 7 can drive ball valve 6 and rotate, ball valve 6 can open gradually like this, and quantitative pipe 12 comes to the below of connecing trachea 23, push rod motor 14 can drive the mechanism of blowing to shift up and blow this moment, accomplish the back of blowing, lift allotment mechanism continues to drive the mechanism of blowing and moves down, can drive the rotation to disc 4 once more, and switching gear 8 can mesh the transmission with closed rack 10 this moment, switching gear 8 can drive valve rod 7 and rotate like this, valve rod 7 can drive ball valve 6 closed, conveniently carry out next time like this and connect the material, so reciprocal going on can realizing the continuity and blowing the material, and do not need the material receiving personnel to come the operation closely, be favorable to medical personnel's security.
In the invention, the left side of the top of the isolation box 1 is provided with an air outlet, a balance weight plug 29 is movably sleeved in the air outlet, the bottom of the liquid storage tank 28 is provided with a liquid outlet pipe, the liquid outlet pipe is provided with an electromagnetic valve, and the top of the liquid storage tank 28 is provided with a liquid inlet pipe penetrating through the isolation box 1.
In the invention, a controller is arranged at the top of the outer wall of the left side of the isolation box 1, and the model of the controller is WT-QD-3.
Example 2
Referring to FIGS. 1-3: the radioactive ion distribution device comprises a fixed cover 16, a double-shaft motor 17 is fixedly connected to the inner wall of the fixed cover 16, fan blades 18 are fixedly connected to the top end output shaft of the double-shaft motor 17, a driving gear 19 is fixedly connected to the bottom end output shaft of the double-shaft motor 17, the driving gear 19 is in meshing transmission with a first steering gear 3, an air inlet pipe 20 is communicated with the fixed cover 16, a lifting and adjusting mechanism comprises a push rod motor 14 fixedly connected with the bottom inner wall of an isolation box 1, a lifting plate 15 is fixedly connected to the output shaft of the push rod motor 14, the lifting plate 15 is fixedly connected with the fixed cover 16, a steering rack 27 is fixedly connected to the right side of the top of the lifting plate 15, a steering pipe 24 movably sleeved inside a fixed seat 22 is arranged on the front side of the steering rack 27, a second steering gear 26 is fixedly sleeved outside the steering pipe 24, and the second steering gear 26 is in meshing transmission with the steering rack 27, the right end of the steering pipe 24 is fixedly connected with an air injection pipe 25 communicated with the steering pipe; after the push rod motor 14 drives the lifting plate 15 to move downwards, the driving gear 19 is in meshing transmission with the first steering gear 3, so that the double-shaft motor 17 can drive the disc 4 to rotate, meanwhile, the lifting plate 15 can drive the steering rack 27 to move downwards, the steering rack 27 cannot be in meshing transmission with the second steering gear 26 when moving downwards, so that the steering pipe 24 cannot rotate, when the push rod motor 14 drives the lifting plate 15 to move upwards quickly, the fixed cover 16 can be attached to the bottom of the disc 4, the double-shaft motor 17 can drive the fan blades 18 to rotate for blowing, nitrogen in the nitrogen tank 21 can enter the fixed cover 16 through the air inlet pipe 20, so that the double-shaft motor 17 can drive the fan blades 18 to rotate to blow the nitrogen into the air blowing hopper 5 and the quantitative pipe 12, and at the moment, the ball valve 6 on the air blowing hopper 5 is opened, so that the nitrogen can blow radioactive ionic liquid into the fixed seat 22 and the air connecting pipe 23 and enter the steering pipe 24, finally, the jet pipe 25 is jetted, when the steering rack 27 moves upwards, the steering rack 27 is meshed with the second steering gear 26 for transmission, so that the steering rack 27 can drive the second steering gear 26 to rotate, the second steering gear 26 can drive the jet pipe 25 to rotate, and after the steering rack 27 moves upwards, the jet pipe 25 can be driven to rotate once, so that the ions are uniformly distributed.
In the invention, the inside of the fixed seat 22 is provided with an inserting groove, the inner wall of the inserting groove is provided with a sealing ring, the bottom of the fixed seat 22 is provided with a vent hole, and the air receiving pipe 23 is communicated with the inserting groove through the vent hole.
In the invention, two sides of the double-shaft motor 17 are fixedly connected with supporting rods, one end of each supporting rod, far away from the double-shaft motor 17, is fixedly connected with the inner wall of the fixing cover 16, and the top of the fixing cover 16 is fixedly connected with a sealing ring.
In the present invention, the steering rack 27 includes a plate body and a plurality of teeth, and the teeth are hinged to the plate body, so that the steering rack 27 is disengaged from the second steering gear 26 when moving downward, and the steering rack 27 is normally engaged with the second steering gear 26 when moving upward.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191832.2A CN114121333B (en) | 2021-12-30 | 2021-12-30 | Radioactive ion distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191832.2A CN114121333B (en) | 2021-12-30 | 2021-12-30 | Radioactive ion distribution device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114121333A true CN114121333A (en) | 2022-03-01 |
| CN114121333B CN114121333B (en) | 2025-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111191832.2A Active CN114121333B (en) | 2021-12-30 | 2021-12-30 | Radioactive ion distribution device |
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| Country | Link |
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| CN (1) | CN114121333B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205256785U (en) * | 2015-12-30 | 2016-05-25 | 河南双辐科技有限公司 | Isotope intelligence split charging equipment |
| CN205790241U (en) * | 2016-06-27 | 2016-12-07 | 洛阳大生新能源开发有限公司 | A kind of powder feeder of lithium-ion battery electrolytes compounding kettle |
| CN108163235A (en) * | 2018-01-12 | 2018-06-15 | 东莞市博顿自动化科技有限公司 | A kind of automatic material filling machine |
| CN111055475A (en) * | 2019-12-17 | 2020-04-24 | 周义平 | Plastic drum production facility convenient to it is fixed based on blow molding technique |
| CN210671879U (en) * | 2019-09-19 | 2020-06-05 | 广东得臣机电有限公司 | Single-cycle fermentation room |
| CN111437479A (en) * | 2020-04-22 | 2020-07-24 | 高颜颜 | Intelligent breathing device for nursing of pediatric internal medicine |
| CN213583642U (en) * | 2020-12-25 | 2021-06-29 | 安阳昂佳电器有限公司 | Marine relay with protection mechanism |
-
2021
- 2021-12-30 CN CN202111191832.2A patent/CN114121333B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205256785U (en) * | 2015-12-30 | 2016-05-25 | 河南双辐科技有限公司 | Isotope intelligence split charging equipment |
| CN205790241U (en) * | 2016-06-27 | 2016-12-07 | 洛阳大生新能源开发有限公司 | A kind of powder feeder of lithium-ion battery electrolytes compounding kettle |
| CN108163235A (en) * | 2018-01-12 | 2018-06-15 | 东莞市博顿自动化科技有限公司 | A kind of automatic material filling machine |
| CN210671879U (en) * | 2019-09-19 | 2020-06-05 | 广东得臣机电有限公司 | Single-cycle fermentation room |
| CN111055475A (en) * | 2019-12-17 | 2020-04-24 | 周义平 | Plastic drum production facility convenient to it is fixed based on blow molding technique |
| CN111437479A (en) * | 2020-04-22 | 2020-07-24 | 高颜颜 | Intelligent breathing device for nursing of pediatric internal medicine |
| CN213583642U (en) * | 2020-12-25 | 2021-06-29 | 安阳昂佳电器有限公司 | Marine relay with protection mechanism |
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| Publication number | Publication date |
|---|---|
| CN114121333B (en) | 2025-03-25 |
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