A plunger type high-frequency pulse valve and a blasting bead dripping system

By using a plunger-type high-frequency pulse valve to switch the liquid channel multiple times within the reciprocating cycle, combined with zirconia ceramic material, the problems of low efficiency and high cost in popping bead production are solved, achieving efficient and low-cost popping bead production.

CN224315544UActive Publication Date: 2026-06-02HUBEI CHINA TOBACCO INDUSTRY CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI CHINA TOBACCO INDUSTRY CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In existing technologies, the production of popping beads is inefficient and costly, making it difficult to achieve efficient and low-cost production.

Method used

A plunger-type high-frequency pulse valve is adopted, which switches the liquid channel between open and closed states four times in one reciprocating cycle. Combined with the processing precision and sealing performance of zirconia ceramic material, the pulse frequency is improved and the production cost is reduced.

Benefits of technology

It improves the efficiency of burst bead production, reduces production costs, ensures the stability of cutting fluid pressure, and produces burst beads with stable shapes, making it suitable for cigarette burst beads.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model belongs to the field of tobacco technology, specifically relating to a plunger-type high-frequency pulse valve and a menthol capsule dripping system. The plunger-type high-frequency pulse valve of this utility model includes a valve body and a plunger. The valve body includes a liquid channel and a plunger channel, the liquid channel being used to connect to a liquid pipeline. The plunger is movably disposed within the plunger channel and can cause the liquid channel to be in a conducting or blocking state. The plunger is configured to switch the conducting or blocking state of the liquid channel at least four times in one reciprocating cycle within the plunger channel. This patent can increase the pulse frequency generated by at least two times when using the same linear actuator, reducing production costs and improving production efficiency. The plunger-type high-frequency pulse valve is particularly suitable for the high-frequency, low-load application scenario of pulse generation of cutting fluid in menthol capsule dripping systems. This patent also provides a menthol capsule dripping system.
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Description

Technical Field

[0001] This utility model belongs to the field of tobacco technology, specifically relating to a plunger-type high-frequency pulse valve and a capsule dripping system. Background Technology

[0002] Flavor capsules, also known as flavor beads, are special capsule structures that encapsulate liquid flavorings and fragrances, encased in a semi-permeable membrane or sealed material. When a flavor capsule breaks under external force, it makes a slight sound, hence the colloquial name "flavor capsule" in the industry. Cigarette flavor capsules are capsules formed by encapsulating solids, liquids, or gases using natural or synthetic polymer materials, and are one of the technologies used for flavor compensation in cigarettes. They can reduce the harm of cigarettes themselves and lessen the irritation of smoke to the smoker's trachea and respiratory tract.

[0003] In applications such as cigarette filters, flavor capsules have a unique mechanism of action. They do not directly participate in the combustion process of cigarettes, but rather provide cigarette consumers with a personalized consumption experience. Specifically, consumers can squeeze the pre-embedded flavor capsule inside the filter to instantly release the liquid flavoring and fragrance contained within, creating a realistic and highly personalized aroma atmosphere, according to their own preferences and needs. Conversely, if consumers choose not to squeeze the flavor capsule, they can maintain the traditional tobacco flavor of the cigarette, satisfying diverse consumption needs.

[0004] The commonly used methods for preparing popping beads are concentric dripping and vibratory dripping. Concentric dripping involves using equipment to form a concentric liquid column of wall and core materials. The surface tension of the liquid in the wall material encapsulates the fragrance, which then passes through a cooling column under gravity and condenses into a semi-finished popping bead. This process is characterized by high stability and simple equipment operation. However, because the buoyancy of the liquid cancels out gravity during the bead formation process, the rate at which the bead falls after condensation is relatively low. Furthermore, relying solely on the surface tension of the wall material results in a slow forming speed and the potential for fragrance leakage. Vibratory dripping involves increasing the forced vibration of the concentric liquid column under low-speed jet conditions using a vibrator. This increases the surface wave velocity of the liquid, intensifies jet formation, and separates the concentric liquid columns. This process is characterized by high production speed, but the instability of the liquid surface wavelength leads to greater fluctuations in product quality and a higher defect rate.

[0005] Both concentric dripping and vibratory dripping methods require a pulse generator to pulse the cutting fluid, cutting the continuous concentric liquid column into burst beads. Existing pulse generators typically include a pulse valve and a driver to drive the pulse valve. To improve burst bead production efficiency, the operating frequency of the driver is usually increased to raise the pulse frequency. However, when the frequency of existing drivers exceeds 50Hz, ensuring frequency consistency and pressure stability for burst bead production success results in extremely high operating costs, creating a bottleneck in burst bead production efficiency and hindering further low-cost, efficient, and reliable burst bead production. Utility Model Content

[0006] The purpose of this invention is to improve the production efficiency of cigarette flavoring capsules. To solve this technical problem, the solution adopted by this invention is as follows:

[0007] In the first aspect, this patent provides a plunger-type high-frequency pulse valve, including a valve body and a plunger; the valve body includes a liquid passage and a plunger passage; the liquid passage is used to connect to a liquid pipeline; the plunger is movably disposed in the plunger passage and can make the liquid passage be in a conducting state or a blocking state, and the plunger is configured to switch the conducting state or blocking state of the liquid passage not less than an even number of times in one reciprocating cycle in the plunger passage.

[0008] Furthermore, the plunger includes a first plunger section, a second plunger section, and a third plunger section. The first plunger section is adapted to the plunger channel so that when the first plunger section is in the liquid channel, it is sealed to prevent liquid from passing through, thus creating a blocking state. When the second plunger section is in the liquid channel, liquid can pass through its side, thus creating a conducting state in the liquid channel. The third plunger section is adapted to the plunger channel so that when the third plunger section is in the liquid channel, it is sealed to prevent liquid from passing through, thus creating a blocking state.

[0009] Furthermore, the second plunger section is located between the first plunger section and the third plunger section.

[0010] Furthermore, the plunger channel, the first plunger section, the second plunger section, and the third plunger section are all cylindrical.

[0011] Furthermore, the diameter of the second plunger section is 40%–50%, 50%–70%, or 70%–90% of the diameter of the first plunger section.

[0012] Furthermore, the axis of the liquid channel is perpendicular to the axis of the plunger channel.

[0013] Furthermore, the plunger and / or at least the valve body including the inner surface of the plunger channel is made of zirconia ceramic material.

[0014] Furthermore, the machining accuracy error of the plunger and the inner surface of the plunger channel is no greater than ±0.001mm, ±0.0005mm or ±0.00001mm.

[0015] Secondly, this patent provides a bursting bead dripping system, including a contents pump, an encapsulation pump, a pulse cutting device, a bursting bead forming barrel, a pulse valve driving device, a plunger-type high-frequency pulse valve, and a pressurizing pump; the contents pump is used to pump the contents liquid, and the encapsulation pump is used to pump the encapsulation liquid; the contents liquid and the encapsulation liquid form a concentric liquid column in the pulse cutting device; the pressurizing pump is used to pump the cutting fluid; the pulse valve driving device drives the plunger-type high-frequency pulse valve to reciprocate, and the plunger-type high-frequency pulse valve causes the cutting fluid to form a cutting fluid pulse, and the cutting fluid pulse acts on the concentric liquid column to cut the concentric liquid column into bursting beads that drip into the forming fluid in the bursting bead forming barrel.

[0016] Furthermore, the pressure pump is connected to one end of the liquid channel of the plunger-type high-frequency pulse valve, and the other end of the liquid channel of the plunger-type high-frequency pulse valve is connected to the pulse cutting device.

[0017] Furthermore, the pulse valve drive device is a linear voice coil motor.

[0018] Compared with the prior art, the beneficial effects of this utility model are at least as follows:

[0019] 1. This patent provides a plunger-type high-frequency pulse valve, which is particularly suitable for bouncy drop systems. By providing a plunger-type high-frequency pulse valve that switches between on and off states four times within a single stroke (i.e., twice on), this patent doubles the pulse frequency when using the same linear actuator, significantly reducing production costs and improving production efficiency. It is especially suitable for the high-frequency, low-load application scenario of pulse generation in cutting fluid within bouncy drop systems.

[0020] 2. This patent achieves four switching operations (opening or closing) of the plunger within one reciprocating stroke through a segmented design of the plunger using a simple structure. The cylindrical structure has low resistance and its reliability is sufficient to meet the requirements for pulse generation of the cutting fluid in the bursting drop system.

[0021] 3. The plunger-type high-frequency pulse valve in the bursting bead dripping system of this patent does not change the movement speed of the plunger. Therefore, the cutting fluid pressure in the pipeline can be kept stable during the bursting bead cutting process, thereby making the bursting bead shape stable and not deformed, which is especially suitable for cigarette bursting beads. Attached Figure Description

[0022] The above description of this utility model and the following detailed embodiments will be better understood when read in conjunction with the accompanying drawings. It should be noted that the drawings are merely examples of the claimed technical solution.

[0023] Figure 1 A process flow diagram for the popping bead drop production system;

[0024] Figure 2 This is a schematic diagram illustrating the working principle of the BB pellet cutting device.

[0025] Figure 3 A three-dimensional view of a plunger-type high-frequency pulse valve;

[0026] Figure 4 This is a cross-sectional view of a plunger-type high-frequency pulse valve.

[0027] Figure 5 Cross-sectional views of a plunger-type high-frequency pulse valve in different motion states;

[0028] Figure 6 This is a schematic diagram showing the connection between the pulse valve drive device and the plunger-type high-frequency pulse valve.

[0029] in:

[0030] 100: Plunger-type high-frequency pulse valve;

[0031] 110: Plunger;

[0032] 111: Connecting part;

[0033] 112: First plunger section;

[0034] 113: Second plunger section;

[0035] 114: Third plunger section;

[0036] 120: Valve body;

[0037] 121: Liquid channel;

[0038] 121a: First connecting part;

[0039] 121b: First passageway section;

[0040] 121c: Second connecting part;

[0041] 121d: Second passage section;

[0042] 122: Plunger passage;

[0043] 200: Contents pump;

[0044] 300: Package pump;

[0045] 400: Pressure pump;

[0046] 500: Circulating pump;

[0047] 600: Pulse cutting device;

[0048] 610: Content fluid channel;

[0049] 620: Encapsulation fluid channel;

[0050] 630: Concentric columnar channel;

[0051] 640: Cutting fluid channel;

[0052] 700: Bursting bead molding barrel;

[0053] 710: Molding liquid;

[0054] 800: Pulse valve drive device;

[0055] 810: Linear voice coil motor;

[0056] 821: First connecting buckle;

[0057] 822: Second connecting buckle;

[0058] 830: Pulse valve seat;

[0059] 840: Pulse drive base;

[0060] 900: Explosive beads. Detailed Implementation

[0061] The detailed features and advantages of this utility model are described below in specific embodiments. The content is sufficient to enable any person skilled in the art to understand the technical content of this utility model and implement it accordingly. Based on the specification, claims and drawings disclosed in this specification, those skilled in the art can easily understand the related objectives and advantages of this utility model.

[0062] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0063] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Unless otherwise specified, the experimental methods described in the various embodiments of this utility model are conventional methods, and the materials and reagents used in the following embodiments are commercially available unless otherwise specified.

[0064] like Figures 1-6 This utility model provides a plunger-type high-frequency pulse valve 100, which is suitable for a popping bead dripping system. It generates pressure pulses by opening and closing the oil pressure pipeline to control the size and frequency of the popping bead dripping process. The plunger-type high-frequency pulse valve 100 includes a plunger 110 and a valve body 120.

[0065] The valve body 120 includes a liquid passage 121 and a plunger passage 122. The liquid passage 121 is used to connect to a liquid pipeline; the plunger 110 is movably disposed in the plunger passage 122 and is able to put the liquid passage 121 into a conducting state or a blocking state. The plunger 110 is configured to switch the conducting state or blocking state of the liquid passage 121 four times in one reciprocating cycle within the plunger passage 122.

[0066] In other embodiments, the plunger 110 may also be configured to switch the liquid channel 121 in the open or closed state at least 4 times in a reciprocating cycle, for example, 6 times, 8 times, or 10 times.

[0067] Specifically, the plunger 110 includes a connecting part 111, a first plunger section 112, a second plunger section 113, and a third plunger section 114.

[0068] Specifically, the valve body 120 also includes a mounting surface 123 for easy installation and fixation.

[0069] The liquid channel 121 includes a first connecting part 121a, a first channel part 121b, a second connecting part 121c, and a second channel part 121d.

[0070] The first plunger section 112 and the third plunger section 114 have the same diameter and are adapted to the diameter of the plunger passage 122 so that when the first plunger section 112 moves between the first passage portion 121b and the second passage portion 121d, the liquid in the first passage portion 121b and the second passage portion 121d is blocked by the first plunger section 112; and when the third plunger section 114 moves between the first passage portion 121b and the second passage portion 121d, the liquid in the first passage portion 121b and the second passage portion 121d is blocked by the third plunger section 114.

[0071] The diameter of the second plunger section 113 is smaller than that of the first plunger section 112 or the third plunger section 114, and when the second plunger section 113 moves between the first channel section 121b and the second channel section 121d, the liquid in the first channel section 121b and the second channel section 121d can be connected by the first plunger section 112.

[0072] During one stroke of the plunger 110 reciprocating in the plunger channel 122, it has the following state:

[0073] State A: The plunger 110 is in the initial position, which is the limit state of downward movement. At this time, the first plunger section 112 is located between the first channel section 121b and the second channel section 121d. The first plunger section 112 blocks the first channel section 121b and the second channel section 121d, and the liquid in the first channel section 121b and the second channel section 121d cannot pass through.

[0074] State B: The plunger 110 moves upward from the starting position to halfway. At this time, the second plunger section 113 is located between the first channel section 121b and the second channel section 121d. The second plunger section 113 cannot block the first channel section 121b and the second channel section 121d. The liquid in the first channel section 121b and the second channel section 121d is connected and can flow through.

[0075] State C: The plunger 110 moves upward to its limit position. At this time, the third plunger section 114 is located between the first channel section 121b and the second channel section 121d. The third plunger section 114 blocks the first channel section 121b and the second channel section 121d again, and the liquid in the first channel section 121b and the second channel section 121d can no longer pass through.

[0076] State D: The plunger 110 returns to the halfway point from its extreme upward position. At this time, the second plunger section 113 is located between the first channel section 121b and the second channel section 121d. The second plunger section 113 cannot block the first channel section 121b and the second channel section 121d, and the liquid in the first channel section 121b and the second channel section 121d can flow through again.

[0077] State E: The plunger 110 returns to its initial position, which is the limit of downward movement, the same as in State A, completing the entire stroke. At this time, the first plunger section 112 is located between the first channel section 121b and the second channel section 121d. The first plunger section 112 blocks the first channel section 121b and the second channel section 121d, and the liquid in the first channel section 121b and the second channel section 121d cannot pass through.

[0078] To put it simply, the plunger 110 of this plunger-type high-frequency pulse valve 100 can open the liquid passage 121 twice in one reciprocating stroke from bottom to top and then from top to bottom. Compared with ordinary pulse valves that open once in one reciprocating stroke, this can increase the pulse frequency by 100%.

[0079] Preferably, the plunger 110 and the valve body 120, including at least the plunger passage 122, are made of zirconia ceramic. Zirconia ceramic is resistant to high temperatures and corrosion. Existing zirconia ceramic materials can achieve a machining accuracy of 0.0001mm and a mirror-like finish at a reasonable cost. Zirconia ceramic also has high sealing performance and a low coefficient of friction. By using zirconia ceramic material and a special plunger-type high-frequency pulse valve 100 structure, the pulse frequency generated by this plunger-type high-frequency pulse valve 100 can reach 120Hz.

[0080] Advantageously, the higher the machining precision, the stronger the reliability of the sealed liquid channel 121, and the correspondingly enhanced its durability.

[0081] Specifically, the bursting bead dripping system includes a control system, a contents pump 200, an encapsulation pump 300, a pulse cutting device 600, a bursting bead forming tank 700, a pulse valve driving device 800, a plunger-type high-frequency pulse valve 100, a pressurizing pump 400, and a circulation pump 500. The inlet of the pressurizing pump 400 is connected to a container (not shown in the figure) for holding the cutting fluid, and the outlet of the pressurizing pump 400 is connected to one end of the liquid channel 121 of the plunger-type high-frequency pulse valve 100. The other end of the liquid channel 121 of the plunger-type high-frequency pulse valve 100 is connected to the pulse cutting device 600. The circulation pump 500 is used to draw the molding liquid into the popping bead molding tank 700 and to provide power for the molding liquid to flow out of the popping bead molding tank 700. Specifically, the inlet of the circulation pump 500 is connected to a container (not shown in the figure) for holding the molding liquid, the first outlet of the circulation pump 500 is connected to the inlet of the popping bead molding tank 700, and the second outlet of the circulation pump 500 is connected to the outlet of the popping bead molding tank 700.

[0082] Because the plunger-type high-frequency pulse valve 100 in the bursting bead dripping system of this patent does not change the movement speed of the plunger 110, the cutting fluid pressure in the pipeline can be kept stable during the bursting bead cutting process, resulting in stable and undeformed bursting bead shape, making it particularly suitable for cigarette bursting beads. Typical cigarette bursting bead diameters are 3.5mm to 5.0mm, such as 3.5mm to 4.0mm, 4.0mm to 4.5mm, or 4.5mm to 5.0mm. Typical cigarette bursting bead encapsulation wall thicknesses are 0.6mm to 0.9mm, such as 0.6mm to 0.7mm, 0.7mm to 0.8mm, or 0.8mm to 0.9mm. Cigarette bursting beads are characterized by small diameter and thin encapsulation wall, requiring high precision in the stability of the cutting fluid frequency and pressure during the forming process. Unstable pressure in the cutting fluid pipeline can easily lead to defective products, such as deformed or misshapen beads.

[0083] The contents are usually essential oils.

[0084] The encapsulation material is typically a glue, and those skilled in the art can select an acceptable encapsulation material from the prior art, such as a glue composed of gellan gum, agar, and water.

[0085] Cutting fluid and forming fluid are usually white oil.

[0086] The pulse cutting device 600 includes a liquid channel 610, a fluid channel 620, a concentric column channel 630, and a cutting fluid channel 640.

[0087] Among them, the inner liquid channel 610 and the encapsulation liquid channel 620 form a concentric cylindrical channel 630 in a section of the pulse cutting device 600 near the outlet end, with the inner liquid channel 610 located inside the encapsulation liquid channel 620.

[0088] The cutting fluid channel 640 is located at the end of the outlet side of the concentric cylindrical channel 630, and is a coaxial annular gap forming the concentric cylindrical channel 630.

[0089] The liquid channel 121 of the plunger-type high-frequency pulse valve 100 is connected to the cutting fluid channel 640.

[0090] The pulse valve drive device 800 is a reciprocating drive device, such as a pneumatic cylinder or an electric cylinder. The connecting portion 111 of the plunger-type high-frequency pulse valve 100 is connected to the pulse valve drive device 800. When the pulse valve drive device 800 reciprocates, the connecting portion 111 drives the plunger 110 of the plunger-type high-frequency pulse valve 100 to reciprocate. Specifically, the connecting portion 111 includes threads and is threadedly connected to the pulse valve drive device 800.

[0091] More specifically, the pulse valve drive device 800 includes a linear voice coil motor 810, a first connecting buckle 821, a second connecting buckle 822, a pulse valve seat 830, and a pulse drive seat 840.

[0092] The linear voice coil motor 810 is connected to the first connecting buckle 821, and the plunger-type high-frequency pulse valve 100 is threadedly connected to the second connecting buckle 822. The first connecting buckle 821 and the second connecting buckle 822 are fastened and pinned together to facilitate the high-frequency reciprocating motion of the linear voice coil motor 810 and to facilitate the maintenance or replacement of the plunger-type high-frequency pulse valve 100.

[0093] The 810 linear voice coil motor has a high reciprocating frequency and high reliability.

[0094] A linear voice coil motor 810 is installed on the inner side of one end of a pulse drive seat 840, and a plunger-type high-frequency pulse valve 100 is installed on the inner side of the other end of the pulse drive seat 840. When the linear voice coil motor 810 extends toward the side where the plunger-type high-frequency pulse valve 100 is located, the pulse drive seat 840 provides a reaction force to keep the valve body 120 in a fixed position and allow the plunger 110 to move downward.

[0095] The pulse drive seat 840 is connected to the pulse valve seat 830, and the pulse valve seat 830 abuts against the mounting surface 123 of the plunger-type high-frequency pulse valve 100. When the linear voice coil motor 810 retracts to the side away from the plunger-type high-frequency pulse valve 100, the pulse valve seat 830 provides a reaction force to keep the valve body 120 in the same position and the plunger 110 moves upward.

[0096] The pulse valve drive device 800, pressurization pump 400, circulation pump 500, contents pump 200 and package pump 300 are all connected to the control system.

[0097] The pressure pump 400 gear pump provides the power for the flow of the cutting fluid. The control system controls the reciprocating frequency of the pulse valve drive device 800 to control the opening and closing frequency of the plunger-type high-frequency pulse valve 100. When the cutting fluid passes through the plunger-type high-frequency pulse valve 100, it generates pulses of a set frequency in the cutting fluid channel 640, that is, it obtains the cutting fluid of the set frequency. When the cutting fluid flows into the cutting fluid channel 640, it generates an annular pulse cutting effect on the liquid column formed in the concentric column channel 630.

[0098] The liquid column formed in the concentric column channel 630 is cut and dripped into the bursting bead forming barrel 700. The bursting bead forming barrel 700 contains a forming liquid 710. The cut liquid forms bursting beads 900 under the action of surface tension in the forming liquid 710. The bursting bead 900 is a capsule containing liquid encapsulated by an encapsulating material.

[0099] The description of the embodiments in this specification refers to Marks' Standard Handbook for Mechanical Engineers (11th edition and other editions prior to the filing date of this application), published by McGraw-Hill, Inc.; DeGarmo's Materials and Processes in Manufacturing (13th edition and other editions prior to the filing date of this application), published by Wiley; Machinery's Handbook (32nd edition and other editions prior to the filing date of this application), published by Industrial Press Inc.; Mechanical Design Handbook (6th edition and other editions prior to the filing date of this application), edited by Cheng Daxian, published by Chemical Industry Press; and Modern Mechanical Design Handbook (6th edition and other editions prior to the filing date of this application), edited by Wen Bangchun, published by Machinery Industry Press.

[0100] In this specification, references to "an embodiment" or "a specific implementation" mean that a particular feature, structure, or characteristic described in connection with that embodiment / specific implementation is included in at least one embodiment / specific implementation of this patent. Therefore, the phrase "in one embodiment / specific implementation" appearing in various places in this specification does not necessarily refer to the same embodiment / setting, but rather to potentially different embodiments. Furthermore, specific features, structures, or characteristics may be combined in one or more embodiments / settings in any suitable manner, as will be apparent to those skilled in the art from this disclosure.

[0101] Similarly, it should be understood that in the above description of exemplary embodiments / specific implementations of this patent, various features of this patent are sometimes combined in a single embodiment / specific implementation or its figures and descriptions, with the aim of simplifying the disclosure and aiding in the understanding of one or more of the various patent aspects. However, except for expressly stated instructions to the contrary or obvious technical contradictions or exclusions, the method of description of this patent should not be construed as reflecting an intention that the claimed patent features are more than those expressly stated in each claim. Rather, the patentable aspects reflected in the claims lie in not all the features of a single foregoing disclosed embodiment / specific implementation. Therefore, the claims following the detailed description are expressly incorporated herein by reference, and each claim exists independently as a separate embodiment / specific implementation of this patent.

[0102] Furthermore, while some embodiments / specific implementations described herein include, but are not limited to, other features included in other embodiments / specific implementations, combinations of features from different embodiments / specific implementations are intended to be within the scope of this patent and form different embodiments / specific implementations, as will be understood by those skilled in the art. For example, in the following claims, embodiments / specific implementations of any claim can be used in any combination.

Claims

1. A plunger-type high-frequency pulse valve, characterized in that, Includes valve body and plunger; The valve body includes a liquid passage and a plunger passage; The liquid channel is used to connect to a liquid pipeline; The plunger is movably disposed within the plunger channel and is capable of placing the liquid channel in a conducting state or a blocking state. The plunger is configured to switch the conducting state or the blocking state of the liquid channel at an even number of times, not less than 4, within one reciprocating cycle within the plunger channel.

2. The plunger-type high-frequency pulse valve according to claim 1, characterized in that, The plunger includes a first plunger section, a second plunger section, and a third plunger section; The first plunger section is adapted to the plunger channel so that when the first plunger section is in the liquid channel, the first plunger section and the plunger channel fit together and seal so that liquid cannot pass through the liquid channel to form the blocking state; When the second plunger section is in the liquid channel, the liquid can pass through the side of the second plunger section to make the liquid channel form the conductive state; The third plunger section is adapted to the plunger channel so that when the third plunger section is in the liquid channel, the third plunger section and the plunger channel fit together and seal so that the liquid cannot pass through the liquid channel to form the blocking state; The second plunger section is located between the first plunger section and the third plunger section.

3. The plunger-type high-frequency pulse valve according to claim 1, characterized in that, The plunger channel, the first plunger section, the second plunger section, and the third plunger section are all cylindrical.

4. The plunger-type high-frequency pulse valve according to claim 3, characterized in that, The diameter of the second plunger section is 40%–50%, 50%–70%, or 70%–90% of the diameter of the first plunger section.

5. The plunger-type high-frequency pulse valve according to claim 1, characterized in that, The axis of the liquid channel is perpendicular to the axis of the plunger channel.

6. The plunger-type high-frequency pulse valve according to claim 1, characterized in that, The plunger and / or at least the valve body including the inner surface of the plunger channel is made of zirconia ceramic material.

7. The plunger-type high-frequency pulse valve according to claim 1, characterized in that, The machining accuracy error of the plunger and the inner surface of the plunger channel is no greater than ±0.001mm, ±0.0005mm or ±0.00001mm.

8. A popping bead dripping system, characterized in that, Includes a contents pump, a package pump, a pulse cutting device, a bursting bead forming barrel, a pulse valve driving device, a pressurizing pump, and a plunger-type high-frequency pulse valve as described in any one of claims 1 to 7; The contents pump is used to pump the contents liquid; The package pump is used to pump liquid from the package; The contents liquid and the encapsulated liquid form a concentric liquid column within the pulse cutting device; The pressure pump is used to pump the cutting fluid; The pulse valve driving device drives the plunger-type high-frequency pulse valve to reciprocate. The plunger-type high-frequency pulse valve causes the cutting fluid to form cutting fluid pulses. The cutting fluid pulses act on the concentric liquid column to cut the concentric liquid column into burst beads that drip into the forming fluid in the burst bead forming barrel.

9. The popping bead dripping system according to claim 8, characterized in that, The pressurizing pump is connected to one end of the liquid channel of the plunger-type high-frequency pulse valve, and the other end of the liquid channel of the plunger-type high-frequency pulse valve is connected to the pulse cutting device.

10. The popping bead dripping system according to claim 8, characterized in that, The pulse valve drive device is a linear voice coil motor.