CN212615285U - Peristaltic pump based on infrared induction control flow - Google Patents
Peristaltic pump based on infrared induction control flow Download PDFInfo
- Publication number
- CN212615285U CN212615285U CN202020714413.7U CN202020714413U CN212615285U CN 212615285 U CN212615285 U CN 212615285U CN 202020714413 U CN202020714413 U CN 202020714413U CN 212615285 U CN212615285 U CN 212615285U
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- China
- Prior art keywords
- support
- gear
- pump cover
- roller
- motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
The utility model discloses a peristaltic pump based on infrared induction control flow, including motor, motor support, ring gear, internal tooth, gear support, driven gear, driving gear, pump cover, gyro wheel support and a plurality of gyro wheel, the pump cover is inside to have the hose along its inner wall extension, the exit end and the entry end of hose all extend to the pump cover outside from the pump cover lateral part, the gyro wheel outer wall supports presses the hose lateral wall and can force hose elastic deformation, motor support bottom is connected with the sensor support, the fixed infrared sensor that is provided with in sensor support lower part, the fixed cooperation that is provided with on the second output shaft of motor infrared sensor's response impeller. The peristaltic pump based on the infrared induction flow control has the advantages that the peristaltic pump is simple in structure, stable and reliable in performance, high in flow control precision, low in implementation cost and the like, and the peristaltic pump cannot be used in the prior art.
Description
Technical Field
The utility model relates to a pump body, especially a peristaltic pump based on infrared induction control flow.
Background
Peristaltic pumps are pumps that deliver fluid by alternately squeezing and releasing flexible delivery tubing, and are used in many fields of production and life. The existing peristaltic pump generally has the technical defects of complex structure, difficult assembly and production, low production efficiency, high implementation cost, poor stability and reliability and the like due to the structural or design limitation.
In addition, the existing peristaltic pump is difficult to detect and control the rotating speed and the flow rate when in use, the function can be realized only by using an additional detection and control device, the flow rate control precision is poor, the implementation cost is high, the application is not convenient enough, and the use experience is seriously reduced.
Therefore, the present invention is directed to provide a new technical solution to solve the existing technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a peristaltic pump based on infrared induction control flow has solved technical defect such as current peristaltic pump structure complicacy, implementation cost height, rotational speed and flow control difficulty, flow control precision low.
The utility model provides a technical scheme that its technical problem adopted is:
a peristaltic pump based on infrared induction flow control comprises a motor and a motor support which are fixed with each other, wherein a gear ring is arranged on the upper portion of the motor support, the gear ring is provided with internal teeth, a gear support capable of rotating radially is arranged inside the gear ring, a driven gear is arranged between the gear support and the motor support, the motor is a double-output-shaft motor, a first output shaft of the motor penetrates through the motor support and extends into the gear ring, a driving gear is fixedly arranged on a portion, extending into the gear ring, of the first output shaft of the motor, the driving gear is meshed with the driven gear, the driven gear is meshed with the internal teeth of the gear ring, a pump cover with an internal cavity is arranged on the upper portion of the gear ring, a roller support is arranged in the internal cavity of the pump cover, the bottom of the roller support is connected with the gear support, the infrared sensor is fixedly arranged on the lower portion of the sensor support, and an induction impeller matched with the infrared sensor is fixedly arranged on a second output shaft of the motor.
As a further improvement of the technical scheme, a sensor circuit board is further arranged on the sensor support, a sensor connecting slot is formed in the sensor circuit board, and the infrared sensor is arranged on the sensor circuit board.
As a further improvement of the above technical solution, the number of the driven gears is three, and the driving gear and the three driven gears jointly form a planetary gear set;
a driven gear mounting shaft extends downwards from the gear bracket, and the driven gear is arranged on the driven gear mounting shaft;
the roller support is provided with roller mounting shafts, the rollers are mounted on the roller mounting shafts, the number of the rollers is four, and the number of the roller mounting shafts is four.
As a further improvement of the above technical solution, the roller bracket includes a bracket upper plate, a roller bracket lower plate, and a roller bracket intermediate connecting shaft and a roller bracket intermediate connecting plate connected between the roller bracket upper plate and the roller bracket lower plate, and both ends of the roller mounting shaft are respectively mounted on the roller bracket upper plate and the roller bracket lower plate.
As a further improvement of the technical scheme, the upper part of the gear bracket extends upwards to form gear bracket clamping teeth, the lower part of the roller bracket extends downwards to form roller bracket clamping teeth and a roller bracket positioning cylinder, the gear bracket clamping teeth are meshed with the roller bracket clamping teeth, and the inner side wall of the gear bracket clamping teeth is abutted against the outer side wall of the roller bracket positioning cylinder.
As a further improvement of the above technical scheme, be provided with inside baffle between gear bracket and the gyro wheel support, the intermediate position of inside baffle is provided with through-hole in the middle of the baffle, gear bracket latch and gyro wheel support latch follow pass and gear bracket latch and the outer wall of gyro wheel support latch support the inside wall that leans on through-hole in the middle of the baffle, inside baffle with the ring gear is integrated into one piece.
As a further improvement of the technical scheme, the gear ring fastening part is arranged on the side part of the outer side wall of the gear ring, the pump cover elastic buckle matched with the gear ring fastening part is arranged on the side part of the pump cover, and the pump cover elastic buckle is fastened on the gear ring fastening part and enables the pump cover and the gear ring to be fixedly connected with each other.
As a further improvement of the technical scheme, the upper part of the gear ring is provided with a positioning concave ring, the lower part of the pump cover is provided with a positioning convex rib matched with the positioning concave ring, and the positioning convex rib is inserted into the positioning concave ring to enable the pump cover and the gear ring to be mutually positioned.
As a further improvement of the technical scheme, an inner pump cover shaft extends downwards from the upper wall surface inside the pump cover, a central hole of the roller support is formed in the middle of the roller support, the inner pump cover shaft is inserted into the central hole of the roller support, and the roller support can rotate around the inner pump cover shaft.
As a further improvement of the technical scheme, the pump cover is provided with two through-going slots, and the hose extends from one through-going slot into the pump cover and extends along the inner wall of the pump cover and further extends from the other through-going slot to the outside of the pump cover; the motor is fixedly connected to the motor support through a first connecting screw, and the sensor support and the gear ring are fixedly connected with the motor support through a second screw.
The utility model has the advantages that: the utility model provides a peristaltic pump based on infrared induction control flow, this kind of peristaltic pump based on infrared induction control flow have simple structure, the advantage that the stable performance is reliable, when using, accessible infrared inductor induction motor's rotational speed, and then the flow parameter of pump that can convert, can realize the purpose of accurate control peristaltic pump flow finally, have implementation cost low, control accuracy advantage such as high.
In conclusion, the peristaltic pump based on infrared induction flow control overcomes the technical defects that the existing peristaltic pump is complex in structure, high in implementation cost, difficult in rotating speed and flow control, low in flow control precision and the like.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic assembly view of the present invention;
FIG. 2 is a schematic view of another angle of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural view of a gear rack of the present invention;
FIG. 5 is a schematic structural view of the roller bracket according to the present invention;
FIG. 6 is a schematic view of another structure of the roller bracket of the present invention;
fig. 7 is a schematic structural view of the ring gear of the present invention;
fig. 8 is a schematic structural view of another angle of the ring gear in the present invention;
fig. 9 is a schematic structural view of the pump cover of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical features of the present invention can be combined interactively without conflicting with each other, as shown in fig. 1 to 9.
A peristaltic pump based on infrared induction flow control comprises a motor 1 and a motor support 11 which are fixed with each other, wherein a gear ring 2 is arranged on the upper portion of the motor support 11, the gear ring 2 is provided with internal teeth 21, a gear support 3 capable of rotating in the radial direction is arranged inside the gear ring 2, a driven gear 42 is arranged between the gear support 3 and the motor support 11, the motor 1 is a double-output-shaft motor, a first output shaft of the motor 1 penetrates through the motor support 11 and extends into the internal portion of the gear ring 2, a driving gear 41 is fixedly arranged on the portion, extending into the internal portion of the gear ring 2, of the first output shaft of the motor 1, the driving gear 41 is meshed with the driven gear 42, the driven gear 42 is meshed with the internal teeth 21 of the gear ring 2, a pump cover 5 with an internal cavity is arranged on the upper portion of the gear ring 2, and, the bottom of the roller support 6 is connected with the gear support 3, a plurality of rollers 60 are arranged on the roller support 6, a hose 7 extends from the inner wall of the pump cover 5, the outlet end and the inlet end of the hose 7 extend from the side part of the pump cover 5 to the outside of the pump cover 5, the outer wall of each roller 60 is abutted against the side wall of the hose 7 and can force the hose 7 to elastically deform, the bottom of the motor support 11 is connected with a sensor support 8, the end part of the hose 7 extending to the outside of the pump cover 6 is connected with a hose connector 71, the lower part of the sensor support 8 is fixedly provided with an infrared sensor 91, and a second output shaft of the motor 1 is fixedly provided with an induction impeller 92 matched with the infrared sensor 91.
Preferably, a sensor circuit board 93 is further disposed on the sensor support 8, a sensor connection slot 94 is disposed on the sensor circuit board 93, and the infrared sensor 91 is disposed on the sensor circuit board 93.
Preferably, there are three driven gears 42, and the driving gear 41 and the three driven gears 42 together form a planetary gear set;
a driven gear mounting shaft 31 extends downwards from the gear bracket 3, and the driven gear 42 is arranged on the driven gear mounting shaft 31;
the roller bracket 6 is provided with roller mounting shafts 61, the rollers 60 are mounted on the roller mounting shafts 61, the number of the rollers 60 is four, and the number of the roller mounting shafts 61 is four.
Preferably, the roller bracket 6 includes a bracket upper plate 62, a roller bracket lower plate 63, and a roller bracket middle connecting shaft 64 and a roller bracket middle connecting plate 65 connected between the roller bracket upper plate 62 and the roller bracket lower plate 63, and both ends of the roller mounting shaft 61 are respectively mounted on the roller bracket upper plate 62 and the roller bracket lower plate 63.
Preferably, the upper portion of the gear bracket 3 extends upwards to form a gear bracket latch 301, the lower portion of the roller bracket 6 extends downwards to form a roller bracket latch 601 and a roller bracket positioning cylinder 602, the gear bracket latch 301 and the roller bracket latch 601 are engaged with each other, and the inner side wall of the gear bracket latch 301 abuts against the outer side wall of the roller bracket positioning cylinder 602.
Preferably, an inner partition plate 22 is arranged between the gear bracket 3 and the roller bracket 6, a partition plate middle through hole 221 is arranged at the middle position of the inner partition plate 22, the gear bracket latch 301 and the roller bracket latch 601 pass through the partition plate middle through hole 221, the outer walls of the gear bracket latch 301 and the roller bracket latch 601 abut against the inner side wall of the partition plate middle through hole 221, and the inner partition plate 22 and the gear ring 2 are integrally formed.
Preferably, the side portion of the outer side wall of the gear ring 2 is provided with a gear ring fastening portion 201, the side portion of the pump cover 5 is provided with a pump cover elastic buckle 501 matched with the gear ring fastening portion 201 for use, and the pump cover elastic buckle 501 is fastened on the gear ring fastening portion 201 and enables the pump cover 5 and the gear ring 2 to be fixedly connected with each other.
Preferably, the upper part of the ring gear 2 has a positioning concave ring 202, the lower part of the pump cover 5 has a positioning convex rib 502 used for matching with the positioning concave ring 202, and the positioning convex rib 502 is inserted into the positioning concave ring 202 and enables the pump cover 5 and the ring gear 2 to be mutually positioned.
Preferably, the pump cover inner shaft 51 extends downwards from the inner upper wall surface of the pump cover 5, the roller bracket 6 has a roller bracket central hole 66 at the middle position, the pump cover inner shaft 51 is inserted into the roller bracket central hole 66, and the roller bracket 6 can rotate around the pump cover inner shaft 51.
Preferably, the pump cover 5 is provided with two through holes 52, and the hose 7 extends from one of the through holes 52 into the inside of the pump cover 5, extends along the inner wall of the pump cover 5, and further extends from the other through hole 52 to the outside of the pump cover 5; the motor 1 is fixedly connected to the motor bracket 11 by a first connecting screw 111, and the sensor bracket 8 and the ring gear 2 are fixedly connected to the motor bracket 11 by a second screw 112.
Detailed implementation the utility model discloses in the time, after motor 1 began work, driving motor 1 passed through the planetary gear set drive gear support 3 rotates, gear support 3 drives gyro wheel support 6 and rotates, gyro wheel support 6 is rotating the in-process and is passing through gyro wheel 60 and to hose 7 wriggling extrusion, and liquid inhales and flows out from the other end from the one end of hose 7, realizes the pump liquid function.
During the working process of the peristaltic pump, the impeller 14 is arranged on the motor shaft, the second output shaft of the motor 1 rotates to drive the induction impeller 92 to rotate, and the infrared sensor 91 can measure the rotating speed of the induction impeller 92, so that the rotating speed of the motor 1 can be obtained, and further the rotating speed of the pump can be obtained; the infrared sensor 91 feeds a rotating speed signal back to the sensor circuit board 93, and the sensor circuit board 93 further controls the rotating speed of the motor to achieve the purpose of accurately controlling the flow, and has the advantages of high flow control precision and low implementation cost.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. The utility model provides a peristaltic pump based on infrared induction control flow which characterized in that: the motor comprises a motor (1) and a motor support (11) which are fixed with each other, wherein a gear ring (2) is arranged on the upper portion of the motor support (11), the gear ring (2) is provided with internal teeth (21), a gear support (3) capable of rotating in the radial direction is arranged inside the gear ring (2), a driven gear (42) is arranged between the gear support (3) and the motor support (11), the motor (1) is a double-output-shaft motor, a first output shaft of the motor (1) penetrates through the motor support (11) and extends into the gear ring (2), a driving gear (41) is fixedly arranged on a part of the first output shaft of the motor (1) extending into the gear ring (2), the driving gear (41) is meshed with the driven gear (42), the driven gear (42) is meshed with the internal teeth (21) of the gear ring (2), a pump cover (5) with an internal cavity is arranged on the upper portion of the gear ring, be provided with in the inner chamber of pump cover (5) gyro wheel support (6), gyro wheel support (6) bottom with gear support (3) are connected, be provided with a plurality of gyro wheels (60) on gyro wheel support (6), pump cover (5) are inside to have hose (7) along its inner wall extension, the exit end and the entry end of hose (7) all extend to pump cover (5) outside from pump cover (5) lateral part, gyro wheel (60) outer wall supports presses hose (7) lateral wall and can force hose (7) elastic deformation, motor support (11) bottom is connected with sensor support (8), sensor support (8) lower part is fixed and is provided with infrared sensor (91), the fixed cooperation that is provided with on the second output shaft of motor (1) induction impeller (92) of infrared sensor (91).
2. The peristaltic pump for controlling flow based on infrared induction of claim 1, wherein: still be provided with sensor circuit board (93) on sensor support (8), be provided with sensor connection slot (94) on sensor circuit board (93), infrared sensor (91) set up on sensor circuit board (93).
3. The peristaltic pump for controlling flow based on infrared induction of claim 1, wherein: the number of the driven gears (42) is three, and the driving gear (41) and the three driven gears (42) jointly form a planetary gear set;
a driven gear mounting shaft (31) extends downwards from the gear bracket (3), and the driven gear (42) is arranged on the driven gear mounting shaft (31);
be provided with roller mounting axle (61) on roller support (6), roller (60) are installed on roller mounting axle (61), roller (60) have four, roller mounting axle (61) have four.
4. The peristaltic pump for controlling flow based on infrared induction of claim 3, wherein: the roller bracket (6) comprises a bracket upper plate (62), a roller bracket lower plate (63), and a roller bracket intermediate connecting shaft (64) and a roller bracket intermediate connecting plate (65) which are connected between the roller bracket upper plate (62) and the roller bracket lower plate (63), wherein two ends of the roller mounting shaft (61) are respectively arranged on the roller bracket upper plate (62) and the roller bracket lower plate (63).
5. The peristaltic pump for controlling flow based on infrared induction of claim 1, wherein: gear support latch (301) has upwards been extended on gear support (3) upper portion, roller support (6) lower part downwardly extending has roller support latch (601) and roller support location drum (602), gear support latch (301) with roller support latch (601) intermeshing, gear support latch (301) inside wall supports and leans on roller support location drum (602) lateral wall.
6. The peristaltic pump for controlling flow based on infrared induction of claim 5, wherein: be provided with inside baffle (22) between gear support (3) and gyro wheel support (6), the intermediate position of inside baffle (22) is provided with through-hole (221) in the middle of the baffle, gear support latch (301) and gyro wheel support latch (601) are followed pass and gear support latch (301) and gyro wheel support latch (601) in through-hole (221) in the middle of the baffle outer wall support leans on the inside wall to through-hole (221) in the middle of the baffle, inside baffle (22) with ring gear (2) are integrated into one piece.
7. The peristaltic pump for controlling flow based on infrared induction of claim 1, wherein: the pump cover is characterized in that a gear ring fastening portion (201) is arranged on the side portion of the outer side wall of the gear ring (2), a pump cover elastic buckle (501) matched with the gear ring fastening portion (201) is arranged on the side portion of the pump cover (5), and the pump cover elastic buckle (501) is fastened on the gear ring fastening portion (201) and enables the pump cover (5) and the gear ring (2) to be fixedly connected with each other.
8. The peristaltic pump for controlling flow based on infrared induction of claim 1, wherein: the pump cover is characterized in that a positioning concave ring (202) is arranged at the upper part of the gear ring (2), a positioning convex rib (502) matched with the positioning concave ring (202) is arranged at the lower part of the pump cover (5), and the positioning convex rib (502) is inserted into the positioning concave ring (202) to enable the pump cover (5) and the gear ring (2) to be mutually positioned.
9. The peristaltic pump for controlling flow based on infrared induction of claim 1, wherein: the inner pump cover shaft (51) extends downwards from the upper wall surface inside the pump cover (5), a roller support center hole (66) is formed in the middle of the roller support (6), the pump cover shaft (51) is inserted into the roller support center hole (66), and the roller support (6) can rotate around the pump cover shaft (51).
10. An infrared-sensing-based flow control peristaltic pump as set forth in any one of claims 1-9, wherein: the pump cover (5) is provided with two through inlet and outlet grooves (52), the hose (7) extends into the pump cover (5) from one through inlet and outlet groove (52), extends along the inner wall of the pump cover (5) and further extends to the outside of the pump cover (5) from the other through inlet and outlet groove (52); the motor (1) is fixedly connected to the motor support (11) through a first connecting screw (111), and the sensor support (8) and the gear ring (2) are fixedly connected with the motor support (11) through a second screw (112).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020714413.7U CN212615285U (en) | 2020-04-30 | 2020-04-30 | Peristaltic pump based on infrared induction control flow |
| PCT/CN2020/089463 WO2021217705A1 (en) | 2020-04-30 | 2020-05-09 | Peristaltic pump capable of flow control based on infrared induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020714413.7U CN212615285U (en) | 2020-04-30 | 2020-04-30 | Peristaltic pump based on infrared induction control flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615285U true CN212615285U (en) | 2021-02-26 |
Family
ID=74710961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020714413.7U Active CN212615285U (en) | 2020-04-30 | 2020-04-30 | Peristaltic pump based on infrared induction control flow |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN212615285U (en) |
| WO (1) | WO2021217705A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100990817B1 (en) * | 2010-03-17 | 2010-10-29 | 손정헌 | A hose pump |
| CN103775316A (en) * | 2014-02-26 | 2014-05-07 | 苏州市玄天环保科技有限公司 | Long-life peristaltic pump |
| CN204376565U (en) * | 2015-02-11 | 2015-06-03 | 杜铁军 | The peristaltic pump system that a kind of brushless servo drives |
| US20180149152A1 (en) * | 2016-11-29 | 2018-05-31 | Takasago Electric, Inc. | Peristaltic pump device |
| CN208294745U (en) * | 2018-05-09 | 2018-12-28 | 卡川尔流体科技(上海)有限公司 | A kind of peristaltic pump with output fluted disc planetary reduction box and H-type synchronous disk |
| CN208918799U (en) * | 2018-10-23 | 2019-05-31 | 重庆杰恒蠕动泵有限公司 | A kind of planetary reduction gear quick mounting type peristaltic pump |
-
2020
- 2020-04-30 CN CN202020714413.7U patent/CN212615285U/en active Active
- 2020-05-09 WO PCT/CN2020/089463 patent/WO2021217705A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021217705A1 (en) | 2021-11-04 |
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