Delivery window
By setting up double-sided sealed doors and bottom support in the transfer window, the problem of purifying blind spots during the item transfer process is solved, achieving better purification effect and anti-pollution in the clean room.
Patent Information
- Application Number
- CN202421476378.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The existing transfer window will cause cleaning blind spots to appear on one side and bottom of the item during the item transfer process, causing pollution in the clean room.
Design a transfer window, set up sealed doors on both sides, and set up support members to support items at the bottom of the transfer window to realize the closed circulation of the sealed window, while avoiding purification blind spots at the bottom of the items.
Through the closed circulation of sealed windows and the design of support parts, the purification blind spots at the bottom of the item are reduced, pollution affects the clean room, and the purification effect is improved.
Smart Images
Figure CN222810695U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to clean rooms, and more precisely to a transfer window. Background Art
[0002] A transfer window is an auxiliary equipment of a clean room, which is mainly used for the transfer of small items between clean areas and between clean areas and non-clean areas, so as to reduce the number of times the clean room door is opened and minimize the pollution to the clean room. For example, by setting a transfer window between the clean room and the external environment, the items entering the clean room from the external environment are purified to ensure that the cleanliness of the items entering the clean room meets the cleanliness requirements of the clean room.
[0003] When placing items in the existing transfer window, one side of the item will inevitably come into contact with the outside air, and the bottom of the item will come into contact with the bottom of the transfer window, resulting in purification dead corners on one side and the bottom of the item, causing pollution inside the clean room.
[0004] It can be seen that there is a need in the art to improve the existing transfer window structure to reduce purification dead corners and prevent contamination of the clean room. Utility Model Content
[0005] In view of this, the purpose of the utility model is to provide a transfer window with sealed doors on both sides and support members for supporting items at the bottom of the transfer window, so as to realize the closed circulation of the sealed window and avoid purification dead corners at the bottom of the items.
[0006] In order to achieve the above-mentioned purpose, the utility model provides a transfer window, including an outer shell, an inner cabin, a static pressure box and two hatches, the static pressure box and the inner cabin are arranged inside the outer shell and are arranged in sequence from top to bottom, a return air interlayer is formed between the inner cabin and the outer shell, the two hatches are respectively installed on the opposite sides of the outer shell, and the two hatches respectively form a seal for the inner cabin from the opposite sides of the inner cabin to isolate the external environment of the outer shell; the static pressure box is connected with the inner cabin and the return air interlayer, and a fan and a first filter are installed in the static pressure box in sequence from top to bottom; the air inlet of the fan is connected with the inner cabin through the return air interlayer, a support member for supporting items to be purified is arranged at the bottom of the inner cabin, the support member protrudes from the bottom surface of the inner cabin, and a space for air flow to enter and circulate from the side of the support member is provided between the top and bottom ends of the support member, and the space is connected with the upper space of the top end of the support member.
[0007] Preferably, the static pressure box has an air outlet on the side facing the inner cabin body; the inner cabin body has an opening on the side facing the static pressure box, and the static pressure box is connected to the opening after being installed in cooperation with the side facing the inner cabin body; the static pressure box has an air inlet on the top or side, and the air inlet of the fan faces the air inlet.
[0008] Preferably, the cabin door is provided with an observation window.
[0009] Preferably, a sealing strip is provided at the contact position between the cabin door and the inner cabin body.
[0010] Preferably, a plurality of return air ports are provided on the side wall of the inner cabin body, and the return air interlayer is connected with the inner cabin body through the return air ports.
[0011] Preferably, one or more second filters covering the return air outlet are installed in the return air interlayer in close contact with the return air outlet.
[0012] Preferably, the support member includes a plurality of convex strips arranged in parallel, and the convex strips protrude upward from the bottom surface of the inner cabin body.
[0013] Preferably, the support member includes a plurality of protrusions arranged in an array, and the protrusions protrude upward from the bottom surface of the inner cabin.
[0014] Preferably, the support member is a supporting bracket, and the supporting bracket is movably placed on the bottom surface of the inner cabin.
[0015] Preferably, the first filter is a high efficiency filter, and the second filter is a primary efficiency filter or a medium efficiency filter.
[0016] Compared with the prior art, the advantages of a transfer window disclosed by the utility model are: the transfer window can be self-circulating and purified after being sealed, reducing the interference of the external environment on the internal purification effect, and the purification effect is better; the transfer window supports the items from the bottom, reducing the purification dead corners at the bottom of the items, thereby preventing pollution to the clean room. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] 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 described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] like Figure 1 Shown is a cross-sectional schematic diagram of a transfer window of the utility model.
[0019] like Figure 2 Shown Figure 1 Schematic diagram of the BB section.
[0020] like Figure 3 The figure shows a top view of a support member of a transfer window of the utility model.
[0021] like Figure 4 The figure shows a top view of a variant of a support member of a transfer window of the utility model.
[0022] like Figure 5 Shown is a schematic diagram of a variant of a support member of a transfer window of the utility model. DETAILED DESCRIPTION
[0023] 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.
[0024] like Figures 1 to 3As shown, a transfer window of the present application includes an outer shell 1, an inner cabin 2, a static pressure box 10 and two hatches 15, the static pressure box 10 and the inner cabin 2 are arranged inside the outer shell 1 and are arranged in sequence from top to bottom, a return air interlayer 14 is formed between the inner cabin 2 and the outer shell 1, and there is a gap between the inner cabin and the outer shell, at least part of the gap serves as the above-mentioned return air interlayer 14, the two hatches 15 are respectively installed on the opposite sides of the outer shell 1, and the two hatches 15 respectively form a seal for the inner cabin from the opposite sides of the inner cabin 2 to isolate the external environment of the outer shell 1, so as to ensure that when the hatches 15 are closed, the external environment of the outer shell 1 is isolated from the internal environment of the inner cabin 2. The static pressure box 10 and the inner cabin 2 are arranged in sequence from top to bottom inside the outer shell 1. The static pressure box 10 is connected to the inner cabin 2 and the return air interlayer 14. The fan 11 and the first filter 12 are installed in the static pressure box 3 from top to bottom. The air inlet of the fan 11 is also connected to the inner cabin 2 through the return air interlayer 14. It can be understood that when the fan 11 is running, the air inlet of the fan 11 draws air from the return air interlayer, and the air outlet of the fan exhausts air and is filtered by the first filter. After the air is sent from the connection between the static pressure box and the inner cabin to the inner cabin 2, the air circulates inside the inner cabin 2 and is discharged to the return air interlayer 14 and enters the fan 11 again. A support 21 for supporting the items to be purified is set at the bottom of the inner cabin 2, and the support 21 protrudes from the bottom surface of the inner cabin 2. There is a space between the top and bottom ends of the support member 21 for air flow to enter and circulate from the side of the support member 21, and the space is connected to the upper space of the top end of the support member. It can be understood that the upper space at the top end of the support member 21 is connected to the lower space, and there is a space for air circulation between the top and bottom ends of the support member 21. Here, the space is not completely closed on the side of the support member 21, so that when the support member 21 carries items, the air flow in the inner cabin 2 can enter the space through the side of the support member 21 and blow the bottom of the items.
[0025] It is worth noting that the doors on both sides are usually interlocked, which can be mechanical interlocking or electromagnetic interlocking. There is no specific limitation here. The static pressure box 10 can also be set from the lower part or side of the inner cabin 2 and communicate with the inner cabin 2. The transfer window seals the inner cabin 2 through the door 15 to prevent interference from the external environment; the circulation and purification inside the inner cabin 2 is realized through the structure of circulating air guide between the static pressure box 10 and the inner cabin 2; by setting the support 21, the bottom of the object can be supported, so that the bottom of the object is partially suspended and the bottom of the object is exposed, reducing the purification dead corner at the bottom of the object and preventing pollution to the clean room.
[0026] The static pressure box 10 has an air outlet on the side facing the inner cabin 2; the inner cabin 2 has an opening on the side facing the static pressure box 10, and the static pressure box 10 is connected to the opening after being installed in cooperation with the side facing the inner cabin 2. The static pressure box 10 has an air inlet in a direction not facing the inner cabin (such as the top or the side), and the air inlet of the fan 11 faces the air inlet. The cooperation installation here can be a clearance fit, a transition fit, etc. The air inlet of the fan 11 is connected to the return air interlayer through the air inlet, and the air outlet of the fan 11 faces the first filter 12.
[0027] The transfer window further includes a control unit 3, which is mounted on the outer shell 1 and electrically connected to the fan 11 to control the working state of the fan. It is understandable that the control unit 3 may include a control panel or control buttons, and a control circuit connected to the control panel or control buttons.
[0028] The hatch 15 is preferably provided with an observation window to facilitate the operator to observe the purification status of the internal items. A sealing strip is provided at the contact position between the hatch 15 and the inner cabin body 3 to improve the sealing effect of the hatch.
[0029] The static pressure box 10 includes a box body and a diffuser plate, which is not specifically limited here. The diffuser plate is provided with an air outlet, which can be in the form of a porous plate, a diffuser, a nozzle, etc., to achieve uniform and efficient air outlet. The first filter 12 is connected to the inner cabin 2 through the air outlet of the static pressure box 10 facing the inner cabin 2 and the opening of the inner cabin 2 facing the static pressure box. The air inlet of the fan 11 is also connected to the inner cabin 2 through the return air interlayer 14. The first filter 12 filters the air entering the inner cabin 2, and the first filter 12 is preferably a high-efficiency filter.
[0030] At least one side wall of the inner cabin 2 is provided with a return air port 20, and the return air interlayer is connected to the inner cabin 2 through the return air port 20. The return air port 20 can be arranged in a multi-hole array. One or more second filters 13 covering the return air port 20 are installed in the return air interlayer 14 to filter the airflow discharged from the inner cabin into the return air interlayer 14. The second filter 13 can be a primary filter or a medium filter.
[0031] like Figure 3 As shown, the support member 21 is composed of a plurality of convex strips arranged in parallel, and the convex strips protrude upward from the bottom surface of the inner cabin 2. Objects are placed on the top of the plurality of convex strips, and the bottom part of the objects is suspended.
[0032] like Figure 4 As shown, the support member 21A is composed of a plurality of convex points arranged in an array, and the convex points protrude upward from the bottom surface of the inner cabin 2. The object is placed on the top of the plurality of convex points, and the bottom part of the object is suspended in the air.
[0033] like Figure 5As shown, the support member 21B is a supporting bracket, and the supporting bracket is movably placed on the bottom surface of the inner cabin 2. The object is placed on the top of the supporting bracket, and the bottom part of the object is suspended.
[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A transfer window, characterized in that: The invention comprises an outer shell, an inner cabin, a static pressure box and two hatches, the static pressure box and the inner cabin are arranged inside the outer shell and are arranged in sequence from top to bottom, a return air interlayer is formed between the inner cabin and the outer shell, the two hatches are respectively installed on two opposite sides of the outer shell, and the two hatches respectively form a seal for the inner cabin from two opposite sides of the inner cabin to isolate the external environment of the outer shell; the static pressure box is connected with the inner cabin and the return air interlayer, and a fan and a first filter are installed in the static pressure box in sequence from top to bottom; the air inlet of the fan is connected with the inner cabin through the return air interlayer, a support member for supporting items to be purified is arranged at the bottom of the inner cabin, the support member protrudes from the bottom surface of the inner cabin, and a space for air flow to enter and circulate from the side of the support member is provided between the top and bottom ends of the support member, and the space is connected with the upper space at the top of the support member.
2. The transfer window according to claim 1, characterized in that: The static pressure box has an air outlet on the side facing the inner cabin body; the inner cabin body has an opening on the side facing the static pressure box, and the static pressure box is connected to the opening after being installed in cooperation with the side facing the inner cabin body; the static pressure box has an air inlet on the top or side, and the air inlet of the fan faces the air inlet.
3. The transfer window according to claim 1, characterized in that: The cabin door is provided with an observation window.
4. The transfer window according to claim 1, characterized in that: A sealing strip is provided at the contact position between the cabin door and the inner cabin body.
5. The transfer window according to claim 1, characterized in that: The side wall of the inner cabin body is provided with a plurality of return air ports, and the return air interlayer is communicated with the inner cabin body through the return air ports.
6. The transfer window according to claim 5, characterized in that: One or more second filters covering the return air outlet are installed in the return air interlayer in close contact with the return air outlet.
7. The transfer window according to claim 1, characterized in that: The support member includes a plurality of convex strips arranged in parallel, and the convex strips protrude upward from the bottom surface of the inner cabin body.
8. The transfer window according to claim 1, characterized in that: The support member includes a plurality of convex points arranged in an array, and the convex points protrude upward from the bottom surface of the inner cabin body.
9. The transfer window according to claim 1, characterized in that: The support member is a supporting bracket, and the supporting bracket is movably placed on the bottom surface of the inner cabin.
10. The transfer window according to claim 6, characterized in that: The first filter is a high efficiency filter, and the second filter is a primary efficiency filter or a medium efficiency filter.