VHP sterilization transfer cabin

Abstract

The utility model discloses a VHP sterilization transfer cabin, which relates to the technical field of sterilization equipment and comprises a shell, a transfer cavity is arranged in the shell, and cavity doors are arranged in front of and behind the transfer cavity; the air inlet assembly is arranged on the outer wall of the shell, and the air inlet assembly communicates with the transfer cavity; the exhaust assembly is arranged on the outer wall of the shell, the air inlet assembly and the exhaust assembly are symmetrically arranged relative to the shell, the exhaust assembly communicates with the transfer cavity, and the structures of the exhaust assembly and the air inlet assembly are the same; the air inlet assembly comprises a flow equalizing cabin, the flow equalizing cabin is provided with a first opening and a second opening, the first opening is communicated with the transfer cavity, a flow equalizing plate is mounted on the first opening, multiple rows of vent holes are formed in the flow equalizing plate, each row comprises a plurality of vent holes, and the distances between the adjacent vent holes are equal; the air inlet cabin is connected to the flow equalizing cabin, the air inlet cabin comprises an air inlet and an air outlet, the air outlet is communicated with the second opening, and the air inlet is communicated with the vaporized hydrogen peroxide generator. According to the VHP sterilization transfer cabin, no-dead-corner disinfection treatment on objects is realized, and the disinfection time is shortened.

Description

Technical Field

[0001] The utility model relates to the field of sterilization equipment, in particular to a VHP sterilization transfer cabin. Background Art

[0002] VHP (Vaporized Hydrogen Peroxide) sterilization technology is an effective and environmentally friendly sterilization method widely used in the biopharmaceutical field in recent years.

[0003] The VHP sterilization transfer chamber is connected to a vaporized hydrogen peroxide generator to provide vaporized hydrogen peroxide to the interior of the transfer chamber. It is used to transfer various clean and dry objects that need to be transferred in aseptic production from low-level clean areas to high-level clean areas for aseptic transfer.

[0004] The vaporized hydrogen peroxide in the existing VHP sterilization transfer chamber flows from top to bottom, so the sterilized objects cannot quickly and effectively contact the vaporized hydrogen peroxide, resulting in poor sterilization effect and long sterilization time.

[0005] Therefore, how to provide a VHP sterilization transfer chamber to ensure that objects are fully sterilized and disinfected is a technical problem that technical personnel in this field currently need to solve. Utility Model Content

[0006] The utility model aims to provide a VHP sterilization transfer cabin, which solves the technical problems of poor sterilization effect and long sterilization time of the existing VHP sterilization transfer cabin.

[0007] To achieve the above object, the utility model provides a VHP sterilization transfer cabin, comprising:

[0008] A housing, wherein a transfer cavity is provided in the housing, and cavity doors are provided at the front and rear of the transfer cavity;

[0009] An air intake assembly, disposed on the outer wall of the shell, the air intake assembly being communicated with the transfer chamber;

[0010] An exhaust assembly is arranged on the outer wall of the shell, the air intake assembly and the exhaust assembly are symmetrically arranged with respect to the shell, the exhaust assembly is communicated with the transfer chamber, and the exhaust assembly and the air intake assembly have the same structure;

[0011] Wherein, the air intake assembly comprises:

[0012] A flow balancing chamber, the flow balancing chamber is connected to the shell, the flow balancing chamber is provided with a first opening and a second opening, the first opening is communicated with the transfer chamber, a flow balancing plate is installed on the first opening, the flow balancing plate is provided with multiple rows, each row contains a number of vents, and the spacing between adjacent vents is equal;

[0013] An air inlet chamber is connected to the flow equalizing chamber, the air inlet chamber comprises an air inlet and an air outlet, the air outlet is communicated with the second opening, and the air inlet is communicated with the vaporized hydrogen peroxide generator.

[0014] The air intake assembly further includes a filter module, which is detachably connected to the flow equalizing chamber. The filter module contacts the second opening to filter the vaporized hydrogen peroxide entering the flow equalizing chamber.

[0015] The filtering module comprises:

[0016] A connecting column is provided on the flow balancing chamber, and the connecting column is symmetrically arranged about the second opening;

[0017] An air inlet filter is installed between the connecting columns, and one end of the air inlet filter abuts against the inner side of the second opening;

[0018] A clamping bolt and a clamping plate, wherein the clamping bolt and the clamping plate cooperate with the connecting column to achieve the clamping of the air inlet filter.

[0019] A sealing member is provided between the air inlet filter and the flow balancing chamber.

[0020] The flow balancing chamber is provided with a connecting seat, which is symmetrically arranged with respect to the first opening. The flow balancing plate is fixed by cooperating with the connecting seat through connecting bolts.

[0021] The air inlet is communicated with the vaporized hydrogen peroxide generator through an air inlet pipeline, and a first pneumatic valve is provided on the air inlet pipeline.

[0022] A concentration sensor is arranged in the transfer cavity.

[0023] Compared with the above-mentioned background technology, the utility model provides a VHP sterilization transfer chamber. When in use, first open the front cavity door to place the object to be sterilized into the transfer chamber, then close the front cavity door, open the first pneumatic valve of the air intake assembly, and input the vaporized hydrogen peroxide into the transfer chamber through the flow equalizing chamber and the air intake chamber. Since the air vents of the air intake assembly of the present application are evenly distributed on the flow equalizing plate, the air flow of vaporized hydrogen peroxide enters the transfer chamber evenly. Since the structure of the exhaust assembly is the same as that of the air intake assembly, and the air intake assembly and the exhaust assembly are symmetrically arranged with respect to the shell, the air vents on the flow equalizing plate of the exhaust assembly correspond one-to-one with the air vents on the flow equalizing plate of the air intake assembly, thereby achieving consistent negative air pressure everywhere. Therefore, the air flow in the transfer chamber flows evenly from the flow equalizing plate of the air intake assembly to the flow equalizing plate of the exhaust assembly, which can greatly reduce purification dead corners, realize dead-angle-free disinfection of objects, and shorten the disinfection time. When the disinfection is completed, close the first air valve and discharge the hydrogen peroxide gas in the transfer chamber through the exhaust assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the main cross-section structure of a VHP sterilization transfer chamber provided in an embodiment of the utility model;

[0026] Figure 2 A schematic diagram of the axial side of a VHP sterilization transfer chamber provided by an embodiment of the utility model;

[0027] Figure 3 for Figure 2 Another perspective structural diagram;

[0028] Figure 4 The present invention is a right side cross-sectional schematic diagram of a VHP sterilization transfer cabin provided in an embodiment of the present invention.

[0029] in:

[0030] 1-housing, 2-transmission chamber, 3-intake assembly, 4-exhaust assembly, 5-connecting seat, 6-connecting bolt;

[0031] 31-flow equalizing chamber, 32-flow equalizing plate, 33-vent, 34-air intake chamber, 35-connecting column, 36-air intake filter, 37-clamping bolt, 38-clamping plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0034] See also Figure 1-3 The present application provides a VHP sterilization transfer chamber, comprising a shell 1, a transfer chamber 2 is provided in the shell 1, and chamber doors are provided at the front and rear of the transfer chamber 2, that is, the shell 1 is hinged with a front chamber door and a rear chamber door at the front and rear of the shell 1, thereby achieving the sealing of the transfer chamber 2 and ensuring the sterilization effect of the VHP sterilization transfer chamber;

[0035] An air intake assembly 3 is disposed on the outer wall of the housing 1, the air intake assembly 3 is communicated with the transfer chamber 2, and the air intake assembly 3 is used to blow vaporized hydrogen peroxide into the transfer chamber 2;

[0036] The exhaust assembly 4 is arranged on the outer wall of the shell 1. The air intake assembly 3 and the exhaust assembly 4 are symmetrically arranged with respect to the shell 1. The exhaust assembly 4 is communicated with the transfer chamber 2. The exhaust assembly 4 and the air intake assembly 3 have the same structure. The exhaust assembly 4 is used to discharge and collect the vaporized hydrogen peroxide in the transfer chamber 2.

[0037] Among them, the air intake component 3 includes:

[0038] The flow balancing chamber 31 is connected to the housing 1 and is provided with a first opening and a second opening. The first opening is communicated with the transfer chamber 2. A flow balancing plate 32 is installed on the first opening. The flow balancing plate 32 is provided with multiple rows of vents 33, each row containing a plurality of vents 33, and the spacing between adjacent vents 33 is equal.

[0039] The air intake cabin 34 is connected to the flow equalizing cabin 31. The air intake cabin 34 includes an air inlet and an air outlet. The air outlet is connected to the second opening. The air inlet is connected to the vaporized hydrogen peroxide generator. Specifically, the air inlet is connected to the vaporized hydrogen peroxide generator through an air intake pipe and a first pneumatic valve. Since the structure of the exhaust component 4 is the same as that of the air intake component 3, the air outlet of the exhaust component 4 is connected to the exhaust fan and the collection module through the air outlet pipe and the second pneumatic valve, and the first pneumatic valve and the second pneumatic valve are both connected to the controller by signal.

[0040] That is to say, the VHP sterilization transfer chamber provided by the utility model, when in use, first open the front cavity door to put the object to be sterilized into the transfer chamber 2, then close the front cavity door, the operator controls the controller to open the first pneumatic valve of the air intake component 3 and the second pneumatic valve of the exhaust component 4, and the input vaporized hydrogen peroxide is input into the transfer chamber 2 through the flow equalization chamber 31 and the air intake chamber. Since the air vents 33 of the air intake component 3 of the present application are evenly distributed on the flow equalization plate 32, the air flow of vaporized hydrogen peroxide evenly enters the transfer chamber 2. Since the structure of the exhaust component 4 is the same as that of the air intake component 3, and the air intake component 3 and The exhaust component 4 is symmetrically arranged with respect to the shell 1, so that the vent holes on the flow equalizing plate of the exhaust component 4 correspond one by one to the vent holes 33 on the flow equalizing plate 32 of the air intake component 3, thereby achieving consistent air negative pressure everywhere. Therefore, the airflow in the transfer chamber 2 flows evenly from the flow equalizing plate 9 of the air intake component 3 to the flow equalizing plate of the exhaust component, which can greatly reduce the purification dead corners, realize the dead corner-free disinfection of the objects, and shorten the disinfection time. After the disinfection is completed, the operator first closes the first air valve through the controller, and closes the second air valve after an interval of 10s, and discharges the hydrogen peroxide gas in the transfer chamber 2 through the exhaust component, and opens the front cavity door to take out the disinfected objects.

[0041] On the basis of the above embodiment, the air intake assembly 3 also includes a filter module, which is detachably connected to the flow equalizing chamber 31. The filter module abuts against the second opening to filter the vaporized hydrogen peroxide entering the flow equalizing chamber 31. The filter module includes a connecting column 35, which is arranged on the flow equalizing chamber 31 and is symmetrically arranged about the second opening; an air inlet filter 36 is installed between the connecting columns 35, and one end of the air inlet filter abuts against the inner side of the second opening; a clamping bolt 37 and a clamping plate 38, which cooperate with the connecting column 35 to clamp the air inlet filter 36.

[0042] That is to say, by setting a filter module in the air intake assembly 3 of the present application, the air can be filtered and particles in the air can be adsorbed to achieve the purpose of purifying the air. By means of the clamping bolts 37 and the clamping plate 38, the clamping bolts 37 and the clamping plate 38 cooperate with the connecting column 35 to realize the detachable connection of the air intake filter 36, which is convenient for disassembly of the air intake filter 36 and maintenance.

[0043] On the basis of the above-mentioned embodiment, a concentration sensor is provided in the transfer chamber 2 to monitor the concentration of vaporized hydrogen peroxide in the transfer chamber 2 .

[0044] On the basis of the above-mentioned embodiment, a seal is provided between the air inlet filter 36 and the flow equalization chamber 31, and the sealing effect of the VHP sterilization transfer chamber is ensured by the provision of the seal.

[0045] Similarly, the exhaust component 4 is provided with an exhaust filter, and the exhaust filter can filter the air and absorb particles in the air.

[0046] On the basis of the above embodiment, a connecting seat 5 is provided on the flow equalizing chamber 31 , and the connecting seat 5 is symmetrically arranged with respect to the first opening. The flow equalizing plate 32 is fixed by cooperating with the connecting seat 5 through connecting bolts 6 .

[0047] The purpose of such a configuration is to realize the detachable connection of the flow equalizing plate 32 , and the air inlet filter 36 or the air outlet filter can be repaired through the detachable connection of the flow equalizing plate 32 .

[0048] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0049] This article uses specific examples to illustrate the principle and implementation of a VHP sterilization transfer chamber provided by the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A VHP sterilization transfer chamber, characterized in that: include: A housing (1), wherein a transfer chamber (2) is provided in the housing (1), and chamber doors are provided at the front and rear of the transfer chamber (2); An air intake assembly (3) is arranged on the outer wall of the shell (1), and the air intake assembly (3) is in communication with the transfer chamber (2); an exhaust assembly (4) disposed on the outer wall of the shell (1); the air intake assembly (3) and the exhaust assembly (4) are symmetrically disposed with respect to the shell (1); the exhaust assembly (4) is communicated with the transfer chamber (2); and the exhaust assembly (4) and the air intake assembly (3) have the same structure; Wherein, the air intake assembly (3) comprises: A flow balancing chamber (31), the flow balancing chamber (31) being connected to the shell (1), the flow balancing chamber (31) being provided with a first opening and a second opening, the first opening being in communication with the transfer chamber (2), a flow balancing plate (32) being mounted on the first opening, the flow balancing plate (32) being provided with a plurality of rows of vent holes (33) in each row, and the spacing between adjacent vent holes (33) being equal; An air inlet chamber (34) is connected to the flow equalizing chamber (31), the air inlet chamber (34) comprising an air inlet and an air outlet, the air outlet being in communication with the second opening, and the air inlet being in communication with a vaporized hydrogen peroxide generator.

2. The VHP sterilization transfer chamber according to claim 1, characterized in that: The air intake assembly (3) further comprises a filter module, which is detachably connected to the flow equalizing chamber (31), and the filter module contacts the second opening to filter the vaporized hydrogen peroxide entering the flow equalizing chamber (31).

3. The VHP sterilization transfer chamber according to claim 2, characterized in that: The filtering module comprises: A connecting column (35) is arranged on the flow equalizing chamber (31), and the connecting column (35) is symmetrically arranged with respect to the second opening; An air inlet filter (36) is installed between the connecting columns (35) and has one end abutting against the inner side of the second opening; A clamping bolt (37) and a clamping plate (38), wherein the clamping bolt (37), the clamping plate (38) cooperate with the connecting column (35) to achieve clamping of the air inlet filter (36).

4. The VHP sterilization transfer chamber according to claim 3, characterized in that: A sealing member is provided between the air inlet filter (36) and the flow equalizing chamber (31).

5. The VHP sterilization transfer chamber according to claim 1, characterized in that: The flow equalizing chamber (31) is provided with a connecting seat (5), the connecting seat (5) is symmetrically arranged with respect to the first opening, and the flow equalizing plate (32) is fixed by cooperating with the connecting seat (5) via connecting bolts (6).

6. The VHP sterilization transfer chamber according to claim 1, characterized in that: The air inlet is communicated with the vaporized hydrogen peroxide generator through an air inlet pipeline, and a first pneumatic valve is provided on the air inlet pipeline.

7. The VHP sterilization transfer chamber according to claim 1, characterized in that: A concentration sensor is arranged in the transfer chamber (2).

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