CN216983456U - High-strength pulse electric field sterilization device - Google Patents
High-strength pulse electric field sterilization device Download PDFInfo
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- CN216983456U CN216983456U CN202220739707.4U CN202220739707U CN216983456U CN 216983456 U CN216983456 U CN 216983456U CN 202220739707 U CN202220739707 U CN 202220739707U CN 216983456 U CN216983456 U CN 216983456U
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Abstract
The utility model discloses a high-strength pulse electric field sterilization device which comprises an upper insulating plate and a lower insulating plate which are symmetrically arranged at intervals, wherein a plurality of needle electrodes and a high-voltage pulse power supply which are equal in number and correspond in sequence are fixedly arranged on the upper insulating plate, each needle electrode penetrates through the upper insulating plate, the top of each needle electrode is connected with the cathode of the corresponding high-voltage pulse power supply through a cathode wire, an electrode plate is fixedly arranged on the upper surface of the lower insulating plate, and the anode of the high-voltage pulse power supply is electrically connected with the electrode plate. The utility model is not affected by the distance between the cathode and the anode emitter, and an electric field can be formed between each needle electrode and the electrode plate at the same time when the high-voltage pulse power supply is simultaneously turned on, thereby ensuring the uniformity of the electric field and improving the sterilization effect.
Description
Technical Field
The utility model relates to the technical field of food sterilization, in particular to a high-strength pulse electric field sterilization device.
Background
In food processing, various means are required to kill harmful microorganisms in food, so that the quality of the food is maintained and a certain preservation period is achieved. The high-voltage pulse electric field sterilization technology has received wide attention in the world due to short sterilization time, small temperature rise and obvious sterilization effect, is a novel food sterilization technology which is newly developed and most active internationally at present, and is generally applied to food sterilization. The high-voltage pulse electric field sterilization principle is that food is placed between two electrodes, pulse type high-voltage electricity is applied to the two electrodes, an instant high-voltage pulse electric field is generated between the two electrodes and acts on the food, cell membranes of microorganisms in the food are broken down under the action of a strong electric field, irreparable rupture or perforation is generated, cell tissues are damaged, the microorganisms are inactivated to promote bacteria to die, and the food sterilization is realized.
In the high-voltage pulse electric field sterilization device in the prior art, a high-voltage pulse power supply simultaneously controls two electrode plates which are respectively positioned at the upper part and the lower part, a plurality of needle electrodes are respectively arranged at the corresponding positions of the upper electrode plate and the lower electrode plate, the needle electrode positioned at the upper part is connected with a cathode of the high-voltage pulse power supply to form a cathode emitter, and the needle electrode positioned at the lower part is connected with an anode of the high-voltage pulse power supply to form an anode emitter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength pulse electric field sterilization device aiming at the defects in the prior art, which can form a more uniform electric field and improve the sterilization effect.
The technical scheme for realizing the aim of the utility model is as follows:
a high-strength pulse electric field sterilization device comprises an upper insulating plate and a lower insulating plate which are symmetrically arranged at intervals, wherein a plurality of needle electrodes and high-voltage pulse power supplies which are equal in quantity and correspond in sequence are fixedly installed on the upper insulating plate, each needle electrode penetrates through the upper insulating plate, the top of each needle electrode is connected with the cathode of the corresponding high-voltage pulse power supply through a cathode wire, a plate electrode is fixedly installed on the upper surface of the lower insulating plate, and the anode of each high-voltage pulse power supply is electrically connected with the plate electrode.
Furthermore, the upper insulating plate comprises an upper plate body and a lower plate body which are fixedly connected, a through hole is formed in the center of the upper plate body, and the needle electrodes are uniformly and fixedly arranged on the lower plate body in an array mode and distributed in the area where the through hole is located.
Furthermore, the high-voltage pulse power supply is fixedly arranged on the upper plate body and is uniformly distributed on two sides of the through hole.
Furthermore, binding posts are fixedly arranged on both sides of the electrode plate, and the high-voltage pulse power supplies positioned on both sides of the through hole are electrically connected with the binding posts through two anode wires respectively).
Further, the orthographic projection area of the electrode plate is larger than that of the through hole.
Furthermore, the middle part of the needle-shaped electrode is provided with an annular limiting boss.
Further, a support assembly suitable for forming a gap between the upper insulating plate and the lower insulating plate is arranged between the upper insulating plate and the lower insulating plate.
Furthermore, the upper insulating plate and the lower insulating plate are both of square structures, and arc chamfers are arranged at corners of the upper insulating plate and the lower insulating plate.
Further, the support assembly comprises four guide posts which are respectively and fixedly connected with four corners of the upper insulating plate and the lower insulating plate.
By adopting the technical scheme, the utility model has the following beneficial effects:
(1) compared with the traditional high-voltage pulse electric field sterilization device in which all needle electrodes are controlled by one high-voltage pulse power supply, the high-voltage pulse electric field sterilization device is not influenced by the distance between the cathode and the anode emitter, and when the high-voltage pulse power supplies are simultaneously turned on, an electric field can be simultaneously formed between each needle electrode and the electrode plate, so that the uniformity of the electric field is ensured, and the sterilization effect is improved; in addition, the lower insulating plate adopts an electrode plate to replace a needle electrode in the traditional structure, so that the structure is simplified, and the manufacturing cost is reduced.
(2) The through holes are arranged, so that the design length of the needle-shaped electrode is shortened, and the manufacturing cost is reduced; mounting a needle-shaped electrode on the lower plate body in advance, and mounting the needle-shaped electrode on the square edge; the needle electrodes are uniformly arranged in an array, so that the uniformity of an electric field is further ensured.
(3) The high-voltage pulse power supplies are uniformly distributed on two sides of the through hole, so that the high-voltage pulse power supplies are conveniently connected with the needle-shaped electrodes, and the arrangement of the wires is convenient to realize.
(4) The utility model is convenient to be connected with a high-voltage pulse power supply by arranging the binding post on the electrode plate.
(5) The projection area of the electrode plate is larger than that of the through hole, so that the uniformity of an electric field is further ensured.
(6) The annular limiting boss is arranged on the needle-shaped electrode, so that the needle-shaped electrode is more convenient to mount, and meanwhile, all the needle-shaped electrodes are basically positioned on the same horizontal plane, so that the whole body is more attractive.
(7) According to the utility model, by arranging the supporting component, a gap is formed between the upper insulating plate and the lower insulating plate, and meanwhile, the whole electric field forms a whole body, so that the electric field can be directly placed in a scene needing sterilization, and different use requirements are met.
(8) The upper and lower insulating plates are of square structures, so that the sterilization device is convenient to match with the existing sterilization assembly line/equipment, the applicability is wider, and meanwhile, the corners are provided with the chamfers, so that potential safety hazards caused by sharp corners are avoided.
(9) The support assembly is of a guide pillar structure, so that the structure is simplified, the blocking of food is reduced to the maximum extent, and the dead angle is avoided to influence the sterilization effect.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a perspective view of the present invention;
fig. 2 is a front view of the present invention.
The reference numbers in the drawings are:
the device comprises an upper insulating plate 1, an upper plate body 1-1, a through hole 1-1-1, a lower plate body 1-2, a lower insulating plate 2, a needle electrode 3, an annular limiting boss 3-1, a high-voltage pulse power supply 4, an electrode plate 5, a binding post 6 and a supporting assembly 7.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
(example 1)
The high-intensity pulsed electric field sterilization apparatus shown in fig. 1 to 2 includes an upper insulating plate 1 and a lower insulating plate 2 which are symmetrically spaced apart from each other, thereby forming a space suitable for food to pass between the upper insulating plate 1 and the lower insulating plate 2. Nine needle electrodes 3 and a high-voltage pulse power supply 4 which correspond to each other are respectively and fixedly arranged on the upper insulating plate 1, each needle electrode 3 penetrates through the upper insulating plate 1, and the top of each needle electrode is connected with the cathode of the corresponding high-voltage pulse power supply 4 through a cathode wire, so that a cathode emitter is formed; the upper surface of the lower insulating plate 2 is fixedly provided with a plate electrode 5, and the anodes of all the high-voltage pulse power supplies 4 are electrically connected with the plate electrode 5, so that an anode emitter is formed. Each needle electrode 3 of the embodiment is provided with the independent high-voltage pulse power supply 4, compared with the traditional high-voltage pulse electric field sterilization device in which all needle electrodes are controlled by one high-voltage pulse power supply, the high-voltage pulse electric field sterilization device is not influenced by the distance between the cathode and the anode emitter, and when the high-voltage pulse power supplies 4 are simultaneously turned on, an electric field can be simultaneously formed between each needle electrode 3 and the electrode plate 5, so that the uniformity of the electric field is ensured, and the sterilization effect is improved; in addition, one electrode plate 5 is adopted on the lower insulating plate 2 to replace a needle-shaped electrode in the traditional structure, so that the structure is simplified, and the manufacturing cost is reduced.
Particularly, the supporting component 7 is arranged between the upper insulating plate 1 and the lower insulating plate 2, so that a gap is formed between the upper insulating plate and the lower insulating plate, meanwhile, the whole electric field forms a whole body, and the whole electric field can be directly placed in a scene needing sterilization, so that different use requirements are met. The supporting component 7 comprises four guide posts which are respectively fixedly connected with four corners of the upper insulating plate 1 and the lower insulating plate 2, so that the structure is simplified on one hand, and on the other hand, the maximized reduction can block food, so that dead angles are avoided and the sterilization effect is not influenced.
The upper insulating plate 1 and the lower insulating plate 2 are both of a square structure with the side length of 300mm, so that the sterilization device is convenient to match with the existing sterilization assembly line/equipment, and the sterilization device is wider in applicability. Simultaneously, the corners of the upper insulating plate 1 and the lower insulating plate 2 are provided with arc chamfers, so that potential safety hazards caused by sharp corners are avoided.
The upper insulating plate 1 comprises an upper plate body 1-1 and a lower plate body 1-2 which are fixedly connected, a square through hole 1-1-1 is formed in the center of the upper plate body 1-1, and the needle electrode 3 is fixedly arranged on the lower plate body 1-2 and distributed in the area where the through hole 1-1-1 is located, so that the design length of the needle electrode 3 is shortened, and the manufacturing cost is reduced; the needle electrodes 3 are uniformly distributed in the area where the through holes 1-1-1 are located in an array manner, so that the uniformity of an electric field is further ensured. The middle part of each needle electrode 3 is provided with an annular limiting boss 3-1, so that the installation is more convenient, and meanwhile, all the needle electrodes 3 are basically positioned on the same horizontal plane, and the whole body is more attractive. The high-voltage pulse power supplies 4 are uniformly and fixedly arranged on two sides of the through holes 1-1-1, four are arranged on the left side, five are arranged on the right side, and are conveniently connected with the needle electrodes 3, so that the wiring tidiness is realized.
In order to facilitate the electrical connection between the high-voltage pulse power supply 4 and the electrode plate 5, the left side and the right side of the electrode plate 5 are fixedly provided with the binding posts 6, the anodes of all the high-voltage pulse power supplies 4 positioned on the left side share one anode wire to be connected with the binding post 6 on the left side, and the anodes of all the high-voltage pulse power supplies 4 positioned on the right side share one anode wire to be connected with the binding post 6 on the right side. Meanwhile, the orthographic projection area of the electrode plate 5 is larger than that of the through hole 1-1, and the uniformity of an electric field is further ensured.
Each needle electrode 3 of the embodiment is provided with the independent high-voltage pulse power supply 4, compared with the traditional high-voltage pulse electric field sterilization device in which all needle electrodes are controlled by one high-voltage pulse power supply, the high-voltage pulse electric field sterilization device is not influenced by the distance between the cathode and the anode emitter, and when the high-voltage pulse power supplies 5 are simultaneously turned on, an electric field can be simultaneously formed between each needle electrode 3 and the electrode plate 5, so that the uniformity of the electric field is ensured, and the sterilization effect is improved; in addition, one electrode plate 5 is adopted on the lower insulating plate 2 of the embodiment to replace the needle-shaped electrode 3 in the traditional structure, so that the structure is simplified, and the manufacturing cost is reduced.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A high-intensity pulse electric field sterilization device is characterized in that: the electrode plate comprises an upper insulating plate (1) and a lower insulating plate (2) which are symmetrically arranged and are arranged at intervals, wherein a plurality of needle electrodes (3) and high-voltage pulse power supplies (4) which are equal in quantity and correspond in sequence are fixedly installed on the upper insulating plate (1), each needle electrode (3) penetrates through the upper insulating plate, the top of each needle electrode is connected with the cathode of the corresponding high-voltage pulse power supply (4) through a cathode wire, an electrode plate (5) is fixedly installed on the upper surface of the lower insulating plate (2), and the anode of each high-voltage pulse power supply (4) is electrically connected with the electrode plate (5).
2. The high-intensity pulsed electric field sterilization device according to claim 1, wherein: the upper insulating plate (1) comprises an upper plate body (1-1) and a lower plate body (1-2) which are fixedly connected, a through hole (1-1-1) is formed in the center of the upper plate body (1-1), and the needle electrodes (3) are uniformly and fixedly arranged on the lower plate body (1-2) in an array mode and distributed in the area where the through hole (1-1-1) is located.
3. The high-intensity pulsed electric field sterilization device according to claim 2, wherein: the high-voltage pulse power supply (4) is fixedly arranged on the upper plate body (1-1) and uniformly distributed on two sides of the through hole (1-1-1).
4. A high intensity pulsed electric field sterilization apparatus according to claim 3, wherein: binding posts (6) are fixedly arranged on two sides of the electrode plate (5), and the high-voltage pulse power supplies (4) positioned on two sides of the through hole (1-1-1) are electrically connected with the binding posts (6) through two anode wires respectively.
5. The high-intensity pulsed electric field sterilization device according to claim 2, wherein: the orthographic projection area of the electrode plate (5) is larger than that of the through hole (1-1-1).
6. The high-intensity pulsed electric field sterilization device according to claim 1, wherein: the middle part of the needle-shaped electrode (3) is provided with an annular limiting boss (3-1).
7. The high-intensity pulsed electric field sterilization device according to claim 1, wherein: and a supporting component (7) suitable for forming a gap between the upper insulating plate (1) and the lower insulating plate (2) is arranged between the upper insulating plate (1) and the lower insulating plate (2).
8. The high-intensity pulsed electric field sterilization apparatus according to claim 7, wherein: the upper insulating plate (1) and the lower insulating plate (2) are both of square structures, and arc chamfers are arranged at corners.
9. The high-intensity pulsed electric field sterilization apparatus according to claim 7, wherein: the supporting component (7) comprises four guide posts which are respectively and fixedly connected with four corners of the upper insulating plate (1) and the lower insulating plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739707.4U CN216983456U (en) | 2022-03-31 | 2022-03-31 | High-strength pulse electric field sterilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739707.4U CN216983456U (en) | 2022-03-31 | 2022-03-31 | High-strength pulse electric field sterilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216983456U true CN216983456U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220739707.4U Active CN216983456U (en) | 2022-03-31 | 2022-03-31 | High-strength pulse electric field sterilization device |
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| Country | Link |
|---|---|
| CN (1) | CN216983456U (en) |
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- 2022-03-31 CN CN202220739707.4U patent/CN216983456U/en active Active
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