A delivery window with advanced protection

Abstract

The utility model discloses a kind of delivery windows with senior protection function, including delivery window, further include: authority control system, for limiting operating authority by multiple identity authentication, and realize two-person cooperation unlocking;Power-off protection module, for providing continuous power supply for delivery window when external power interruption;Sealing interlock structure, for ensuring that two sides door cannot be opened simultaneously, and maintaining the air tightness of cavity;Sterilization purification component, for carrying out sterilization and air purification to delivery window inner cavity;Monitoring feedback device, for real-time monitoring cavity differential pressure and leakage state and providing operation feedback. Using the mode of new external control equipment, power supply, the conventional delivery window is reformed, and it can be used in places with special requirements.

Description

Technical Field

[0001] This utility model relates to the field of cleanroom engineering equipment technology, specifically to a transfer window with advanced protective functions. Background Technology

[0002] Traditional pass-through windows primarily use ultraviolet (UV) sterilization lamps for sterilization and employ a double-door interlocking logic to control their opening and closing. However, they suffer from the following technical drawbacks:

[0003] Insufficient access control: Relying solely on mechanical interlocks cannot meet the needs of hierarchical access control for operators in high-security scenarios (such as the transfer of hazardous materials);

[0004] Power outage management failure: The lack of emergency power supply may lead to the accumulation and loss of control of hazardous materials during a power outage;

[0005] The aforementioned shortcomings limit the application of traditional pass-through windows in high-standard cleanroom environments. Therefore, there is an urgent need for a pass-through window with multiple safety protections, intelligent control, and stable operation. Summary of the Invention

[0006] The purpose of this utility model is to provide a transfer window with advanced protection functions in order to solve the technical problems existing in the background art.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A pass-through window with advanced protection features includes the pass-through window itself, and further includes:

[0009] Access control systems are used to restrict access permissions through multi-factor authentication and enable two-person collaborative unlocking.

[0010] The power failure protection module is used to provide a continuous power supply to the pass-through window when the external power supply is interrupted;

[0011] A sealed interlocking structure is used to ensure that the two doors cannot be opened simultaneously and to maintain the airtightness of the cavity;

[0012] The sterilization and purification component is used to sterilize and purify the air inside the transfer window.

[0013] The monitoring and feedback device is used to monitor the pressure difference and leakage status of the cavity in real time and provide operational feedback.

[0014] In some embodiments, the access control system includes a fingerprint lock and an operation permission allocation module. The fingerprint lock is located at the upper front and rear ends of the transfer window and is electrically connected to the control panel. The operation permission allocation module requires two consecutive valid fingerprints to unlock the control panel.

[0015] In some embodiments, the power failure protection module includes a UPS power supply, which is installed inside the top box of the pass-through window and electrically connected to the electrical control box and the centrifugal fan, for maintaining the continuous operation of the centrifugal fan and control system during power failure.

[0016] In some embodiments, the sealing interlock structure includes an access control electromagnetic interlock and an integrally molded sealing strip. The access control electromagnetic interlock is installed on the front and rear door frames of the transfer window and uses a magnetic lock with feedback signal to achieve double-door interlocking. The integrally molded sealing strip is embedded in the inner side of the double-glazed airtight door of the transfer window and fits tightly against the frame of the transfer window.

[0017] In some embodiments, the sterilization and purification assembly includes an ultraviolet sterilization lamp, a high-efficiency filter, and a centrifugal fan. The ultraviolet sterilization lamp is installed on the inner side plate of the transfer window, the high-efficiency filter is disposed below the air outlet of the centrifugal fan, and the purified airflow is evenly distributed to the inner cavity of the transfer window through a diffuser.

[0018] In some embodiments, the monitoring feedback device includes a differential pressure gauge and a DOP leak detection device. The differential pressure gauge is installed at the upper front end of the transfer window to monitor the pressure difference between the inside and outside of the cavity. The DOP leak detection device is integrated at the end of the return air duct to detect the sealing performance of the filter device.

[0019] In some embodiments, the transfer window frame is made of stainless steel and fully welded, forming a transfer window cavity and a return air channel inside. A filter device is installed at the end of the return air channel for purifying the circulating air.

[0020] The beneficial effects that a transfer window with advanced protection features disclosed in this application may bring include, but are not limited to:

[0021] Hierarchical access control: Through dual fingerprint verification and access allocation, the regulatory requirements for the transfer of hazardous materials are met;

[0022] Power outage emergency protection: UPS power supply (17) ensures that the equipment continues to run for at least 2 hours after a power outage to avoid the risk of items being left behind;

[0023] High sealing performance: The integrally molded sealing strip (15) is combined with magnetic interlock, which improves the air tightness by more than 40%;

[0024] Intelligent monitoring: Differential pressure and leakage detection data are displayed in real time on the control panel (12), which facilitates quick troubleshooting. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the present invention.

[0026] Figure 2 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0028] Conversely, this application covers any substitutions, modifications, equivalent methods, and schemes made within the spirit and scope of this application as defined in the claims. Furthermore, to provide the public with a better understanding of this application, certain specific details are described in detail below. However, this application can be fully understood by those skilled in the art even without these detailed descriptions.

[0029] like Figure 1 As shown, this utility model discloses a pass-through window with advanced protective functions, comprising: a pass-through window frame 1, a double-glazed airtight door 2, a pass-through window inner cavity 3, a pass-through window return air channel 4, a filter device 5, an electrical control box 6, a centrifugal fan 7, a high-efficiency filter 8, a diffuser 9, an access control electromagnetic interlock 10, an ultraviolet sterilization lamp 11, a control panel 12, a differential pressure gauge 13, a DOP leak detection device 14, an integrally molded sealing strip 15, a fingerprint password lock 16, and a UPS power supply 17.

[0030] like Figure 2 As shown, the pass-through window frame 1 is made of high-quality stainless steel and fully welded. Double-layered glass airtight doors 2 are installed at the front and rear. The pass-through window inner cavity 3 is formed inside the pass-through window. A pass-through window return air channel 4 is formed between the inner and outer cavities. A filter device 5 is installed at the end of the pass-through window return air channel. An electrical control box 6 is installed on the upper side plate of the pass-through window. A centrifugal fan 7 is installed on the upper part of the bottom-mounted air supply device. A high-efficiency filter 8 is installed below the air outlet of the fan. A diffuser 9 is installed at the upper end of the pass-through window inner cavity. Access control electromagnetic interlocks 10 are installed on the door frames at both the front and rear ends. An ultraviolet sterilization lamp 11 is installed on the inner side plate of the pass-through window. An explosion-proof control panel 12, a differential pressure gauge 13, and a DOP leak detection device 14 are installed on the upper part of the front and rear ends of the pass-through window. An integrally formed sealing strip 15 is installed on the inner side of the double-layered glass airtight door. A fingerprint password lock 16 is installed on the upper part of the front and rear ends of the pass-through window. A UPS power supply 17 is installed in each top box.

[0031] Electromagnetic interlocking refers to the use of magnetic locks with feedback signals for interlocking, ensuring that the two doors cannot be open simultaneously. Meanwhile, the integrally molded sealing strip on the embedded airtight door ensures excellent sealing of the cavity, better preventing powdery substances from spreading to the external area.

[0032] Fingerprint lock access refers to the access granted to the control panel via fingerprint lock. This requires two consecutive valid fingerprints to unlock the control panel. Its purpose is to facilitate collaborative operations in pharmaceutical factories where staff must supervise each other when retrieving items.

[0033] UPS power supply means that the power provided by the UPS can supply power to the pass-through window for an extended period of time during a power outage, preventing dangerous goods from being left unattended during an emergency power failure and ensuring the safe storage of the goods.

[0034] The functional components of this application are as follows:

[0035] Access control system:

[0036] The fingerprint lock 16 is installed on the upper part of the front and rear ends of the pass-through window and is electrically connected to the control panel 12;

[0037] The operation requires the fingerprints of two authorized personnel to be entered consecutively in order to unlock the operation permissions of control panel 12, ensuring dual supervision.

[0038] Power failure protection module:

[0039] The UPS power supply 17 is integrated inside the top box and is connected to the centrifugal fan 7 through the electrical control box 6;

[0040] When power is lost, it automatically switches to UPS power supply to maintain equipment operation for at least 2 hours and issues an alarm through the control panel (12).

[0041] Sealed interlock structure:

[0042] The access control electromagnetic interlock 10 uses a magnetic lock with feedback signal and is installed on the front and rear door frames;

[0043] When one door is opened, the other door automatically locks, and the sealing strip 15 expands under pressure to ensure the airtightness of the cavity.

[0044] Sterilization and purification components:

[0045] The ultraviolet sterilization lamp 11 is installed on the inner cavity side plate, and the sterilization cycle can be set through the control panel 12;

[0046] The airflow driven by the centrifugal fan 7 is purified by the high-efficiency filter 8 and then evenly distributed to the inner cavity 3 through the diffuser plate 9.

[0047] Monitoring feedback device:

[0048] The differential pressure gauge 13 displays the pressure difference between the inner cavity 3 and the external environment in real time, and triggers an audible and visual alarm when an abnormality occurs;

[0049] The DOP leak detection device 14 periodically tests the sealing performance of the end filter device 5 in the return air duct 4, and the data is fed back to the control panel 12.

[0050] Workflow

[0051] The operator completes dual-person verification using the fingerprint lock 16 and unlocks the control panel 12;

[0052] After placing the items in, close one side door and turn on the ultraviolet sterilization lamp 11 and centrifugal fan 7 for air rinsing and purification.

[0053] After purification is complete, the recipient opens the other door to retrieve the item after verifying their permissions.

[0054] During operation, differential pressure gauge 13 and DOP leak detection device 14 continuously monitor the equipment status, and automatically alarm and record fault information when abnormalities occur.

[0055] This invention has passed prototype testing and has been trial-tested in a pharmaceutical cleanroom. The results show that:

[0056] The power failure protection module successfully avoided the risks caused by three sudden power outages;

[0057] The access control system effectively blocked more than 20 unauthorized operations.

[0058] The sealing performance meets ISO 14644-1 Class 5 standards. This pass-through window can be widely used in high-standard clean environments in industries such as pharmaceuticals, chemicals, and electronics, and has significant market value.

[0059] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pass-through window with advanced protection features, comprising a pass-through window, characterized in that, Also includes: Access control systems are used to restrict access permissions through multi-factor authentication and enable two-person collaborative unlocking. The power failure protection module is used to provide a continuous power supply to the pass-through window when the external power supply is interrupted; A sealed interlocking structure is used to ensure that the two doors cannot be opened simultaneously and to maintain the airtightness of the cavity; The sterilization and purification component is used to sterilize and purify the air inside the transfer window. The monitoring and feedback device is used to monitor the pressure difference and leakage status of the cavity in real time and provide operational feedback.

2. The transfer window according to claim 1, characterized in that, The access control system includes a fingerprint lock (16) and an operation permission allocation module. The fingerprint lock (16) is located at the upper front and rear ends of the transfer window and is electrically connected to the control panel (12). The operation permission allocation module requires two valid fingerprints to be entered consecutively to unlock the operation permission of the control panel (12).

3. The transfer window according to claim 1, characterized in that, The power failure protection module includes a UPS power supply (17), which is installed inside the top box of the pass-through window and electrically connected to the electrical control box (6) and the centrifugal fan (7) to maintain the continuous operation of the centrifugal fan (7) and the control system when the power is off.

4. The transfer window according to claim 1, characterized in that, The sealing interlock structure includes an access control electromagnetic interlock (10) and an integrally molded sealing strip (15). The access control electromagnetic interlock (10) is installed on the front and rear door frames of the transfer window and uses a magnetic lock with feedback signal to achieve double door interlock. The integrally molded sealing strip (15) is embedded in the inner side of the double-layer glass airtight door (2) of the transfer window and fits tightly with the frame (1) of the transfer window.

5. The transfer window according to claim 4, characterized in that, The transfer window frame (1) is made of stainless steel and fully welded. It forms a transfer window cavity (3) and a return air channel (4) inside. A filter device (5) is installed at the end of the return air channel (4) for the purification of the circulating air.

6. The transfer window according to claim 1, characterized in that, The sterilization and purification assembly includes an ultraviolet sterilization lamp (11), a high-efficiency filter (8), and a centrifugal fan (7). The ultraviolet sterilization lamp (11) is installed on the inner side plate of the transfer window, and the high-efficiency filter (8) is located below the air outlet of the centrifugal fan (7). The purified airflow is evenly distributed to the inner cavity (3) of the transfer window through the diffuser plate (9).

7. The transfer window according to claim 1, characterized in that, The monitoring feedback device includes a differential pressure gauge (13) and a DOP leak detection device (14). The differential pressure gauge (13) is installed at the upper front end of the transfer window and is used to monitor the pressure difference between the inside and outside of the cavity. The DOP leak detection device (14) is integrated at the end of the return air channel (4) and is used to detect the sealing performance of the filter device.

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