Double-spraying cargo shower

By designing a tunnel-shaped structure for the dual-spray cargo shower chamber and an intelligent control system, the problems of automated entry and exit of unmanned transport vehicles and all-round air showering were solved, realizing automated entry and exit of unmanned transport vehicles and all-round air showering dust removal, reducing mechanical parts and sanitary dead corners.

CN224195475UActive Publication Date: 2026-05-05CHINA CONSTR EIGHTH BUREAU SOUTH CHINA CONSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA CONSTR EIGHTH BUREAU SOUTH CHINA CONSTR CO LTD
Filing Date
2025-05-12
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing air shower rooms require manual operation, making it impossible to achieve automated entry and exit of unmanned transport vehicles. Furthermore, the limited air shower area results in numerous mechanical parts and unsanitary corners.

Method used

Design a dual-spray cargo shower chamber with a tunnel-shaped structure and two sets of air shower mechanisms installed on both sides. Combined with an interlock door controller, microwave sensor and air shower control panel, it enables unmanned transport vehicles to reciprocate in the cargo shower chamber for all-round air showering, reducing mechanical parts and sanitary dead corners.

Benefits of technology

It enables automated entry and exit of unmanned transport vehicles and all-round air shower dust removal, reducing mechanical parts and unsanitary corners, and improving the degree of automation and cleaning effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224195475U_ABST
Patent Text Reader

Abstract

The utility model relates to a double-spraying cargo shower which comprises a cargo shower body, an inlet and an outlet of the cargo shower body are each provided with a roller shutter door, an interlocking door controller and a first microwave sensor are installed on the outer side of the inlet of the cargo shower body, and a second microwave sensor is installed on the inner side of the inlet of the cargo shower body. Two sets of air shower mechanisms are installed in the side walls of the left side and the right side of the cargo shower body respectively, and an air shower control panel is installed on the inner side wall of one side of the cargo shower body. The device has the beneficial effects that the unmanned transport vehicle and loaded cargoes reciprocate among the four sets of air shower mechanisms for air shower dust removal, a driving mechanism does not need to be arranged to drive the air shower mechanisms to move, and mechanical parts and sanitary dead angles exposed in the air shower space in the cargo shower are reduced; and the unmanned transport vehicle can conveniently enter and exit from the cargo shower and carry out air shower.
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Description

Technical Field

[0001] This utility model relates to the field of cargo shower technology, and in particular to a double-spray cargo shower chamber. Background Technology

[0002] A cargo shower is an essential passageway for goods entering a cleanroom. It reduces contamination caused by goods entering and exiting the cleanroom. As goods enter the clean area, a fan blows highly purified, clean air through the air shower nozzles, removing dust adhering to the surfaces. It is a versatile local purification device installed between the cleanroom and non-cleanroom areas. The front and rear doors of the cargo shower are electronically interlocked, also functioning as an airlock to prevent unpurified air from entering the clean area.

[0003] Existing cargo shower rooms require manual operation, which is not convenient for unmanned transport vehicles to automatically enter and exit the cargo shower room and air shower. Moreover, the air shower area of ​​the existing cargo shower room is limited, and the air shower equipment needs to be driven to carry out comprehensive air shower dust removal, resulting in many mechanical parts exposed in the air shower space of the cargo shower room and many unsanitary corners. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned problems existing in the prior art and to provide a double-spray cargo shower room.

[0005] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:

[0006] A dual-spray cargo shower chamber includes a tunnel-shaped cargo shower chamber body for unmanned transport vehicles to move back and forth.

[0007] The inlet and outlet of the cargo shower room are each equipped with a set of roller shutter doors. An interlock door controller and a first microwave sensor are installed on the outside of the inlet of the cargo shower room. A second microwave sensor is installed on the inside of the inlet of the cargo shower room. The signal input terminal of the interlock door controller is connected to the signal output terminal of the first microwave sensor and the signal output terminal of the second microwave sensor through cables. The signal output terminal of the interlock door controller is connected to the signal input terminals of the two sets of roller shutter doors through cables.

[0008] Two air shower mechanisms are installed on each of the left and right side walls of the cargo shower chamber body. An air shower control panel is installed on the inner side wall of one side of the cargo shower chamber body. The signal output terminal of the air shower control panel is connected to the signal input terminal of the four air shower mechanisms through cables. The air shower control panel is bidirectionally connected to the interlock door controller.

[0009] The cargo shower body includes a 304 sandblasted stainless steel outer casing and a 304 sandblasted stainless steel inner liner, with the 304 sandblasted stainless steel inner liner installed inside the 304 sandblasted stainless steel outer casing.

[0010] Each air shower unit includes a pre-filter, a fan, a high-efficiency filter, and stainless steel nozzles. The fan is installed between a 304 sandblasted stainless steel outer casing and a 304 sandblasted stainless steel inner liner. The pre-filter and stainless steel nozzles are installed on the 304 sandblasted stainless steel inner liner, with the pre-filter located below the stainless steel nozzles. The fan's air inlet faces the pre-filter. The high-efficiency filter is installed between the fan's air outlet and the stainless steel nozzles. The fan's signal input terminal is connected to the signal output terminal of the air shower control panel.

[0011] Each air shower unit has 16 stainless steel nozzles arranged in a rectangular array.

[0012] The roller shutter door is an electric PVC roller shutter door.

[0013] The roller shutter door has a transparent viewing window in the middle.

[0014] In this configuration, a pair of infrared beam sensors are installed on the outer side of the inlet and the outer side of the outlet of the cargo shower body, respectively. The signal input terminal of the interlock door controller is connected to the signal output terminal of the two pairs of infrared beam sensors via cables.

[0015] LED lights are installed on the top inner side of the cargo shower chamber body.

[0016] The beneficial effects of this utility model are as follows: a tunnel-shaped cargo shower chamber body is provided, and two sets of air shower mechanisms are installed on each side wall of the cargo shower chamber body. The unmanned transport vehicle moves back and forth in the cargo shower chamber body, so that the unmanned transport vehicle and the loaded goods move back and forth between the four sets of air shower mechanisms for air shower dust removal. There is no need to set up a drive mechanism to drive the movement of the air shower mechanism, reducing the mechanical parts and sanitary dead corners exposed in the air shower space of the cargo shower chamber; the automatic opening and closing of the roller shutter door and the air shower mechanism are realized through the interlocking door controller, the first microwave sensor, the second microwave sensor, and the air shower control panel, so as to facilitate the unmanned transport vehicle to enter and exit the cargo shower chamber and to undergo air shower. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0018] Figure 1 This is a three-dimensional view of the rear side of the double-spray cargo shower chamber in this utility model;

[0019] Figure 2 This is a schematic diagram of the main structure of the double-spray cargo shower chamber in this utility model;

[0020] Figure 3 This is a side view of the structure of the double-spray cargo shower chamber in this utility model;

[0021] The following are the labels in the diagram: 1. Cargo shower body; 101. 304 sandblasted stainless steel outer casing; 102. 304 sandblasted stainless steel inner liner; 2. Roller shutter door; 201. Transparent viewing window; 3. Interlock door controller; 4. First microwave sensor; 5. Second microwave sensor; 6. Air shower mechanism; 601. Primary filter screen; 602. Fan; 603. High-efficiency filter; 604. Stainless steel nozzle; 7. Air shower control panel; 8. Infrared beam sensor; 9. LED lighting. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] like Figures 1 to 3 As shown, a dual-spray cargo shower chamber includes a tunnel-shaped cargo shower chamber body 1 for unmanned transport vehicles to move back and forth. The cargo shower chamber body 1 includes a 304 sandblasted stainless steel outer casing 101 and a 304 sandblasted stainless steel inner liner 102. The 304 sandblasted stainless steel inner liner 102 is installed in the 304 sandblasted stainless steel outer casing 101.

[0024] A set of roller shutter doors 2 are installed at the entrance and exit of the cargo shower body 1, and a transparent viewing window 201 is provided in the middle of the roller shutter door 2.

[0025] In this embodiment, the roller shutter door 2 is an electric PVC roller shutter door.

[0026] An interlock door controller 3 and a first microwave sensor 4 are installed on the outside of the entrance of the cargo shower body 1. A second microwave sensor 5 is installed on the inside of the entrance of the cargo shower body 1. The signal input terminal of the interlock door controller 3 is connected to the signal output terminal of the first microwave sensor 4 and the signal output terminal of the second microwave sensor 5 through cables. The signal output terminal of the interlock door controller 3 is connected to the signal input terminal of the two sets of roller shutter doors 2 through cables.

[0027] Two air shower mechanisms 6 are installed on each of the left and right side walls of the cargo shower body 1. An air shower control panel 7 is installed on the inner side wall of one side of the cargo shower body 1. The signal output terminal of the air shower control panel 7 is connected to the signal input terminal of the four air shower mechanisms 6 through cables. The air shower control panel 7 is bidirectionally connected to the interlock door controller 3.

[0028] To prevent unmanned transport vehicles from being crushed by the roller shutter door when entering or exiting the cargo shower body 1, a pair of infrared beam sensors 8 are installed on the outside of the entrance and the outside of the exit of the cargo shower body 1, respectively. The signal input terminal of the interlock door controller 3 is connected to the signal output terminal of the two pairs of infrared beam sensors 8 through cables.

[0029] Each air shower unit 6 includes a primary filter plate 601, a fan 602, a high-efficiency filter 603, and stainless steel nozzles 604. The fan 602 is installed between the 304 sandblasted stainless steel outer casing 101 and the 304 sandblasted stainless steel inner liner 102. The primary filter plate 601 and the stainless steel nozzles 604 are installed on the 304 sandblasted stainless steel inner liner 102, with the primary filter plate 601 located below the stainless steel nozzles 604. The air inlet of the fan 602 faces the primary filter plate 601. The high-efficiency filter 603 is installed between the air outlet of the fan 602 and the stainless steel nozzles 604. The signal input terminal of the fan 602 is connected to the signal output terminal of the air shower control panel 7.

[0030] Each air shower unit 6 has 16 stainless steel nozzles 604 arranged in a rectangular array.

[0031] An LED light 9 is installed on the top inner side of the cargo shower chamber body 1 to provide lighting for the air shower space inside the cargo shower chamber body 1.

[0032] Working principle:

[0033] When the unmanned transport vehicle carrying goods runs to the entrance of the cargo shower body 1, the first microwave sensor 4 detects the unmanned transport vehicle and sends a signal to the interlock door controller 3. The interlock door controller 3 controls the roller shutter door 2 at the entrance of the cargo shower body 1 to open, and the unmanned transport vehicle carrying goods enters the cargo shower body 1.

[0034] When the unmanned transport vehicle carrying goods fully enters the cargo shower chamber body 1, the interlock door controller 3 controls the roller shutter door 2 at the entrance of the cargo shower chamber body 1 to close. The interlock door controller 3 sends a signal to the air shower control panel 7 to close the roller shutter door. The air shower control panel 7 controls the fan to work and air shower the unmanned transport vehicle carrying goods. The unmanned transport vehicle carrying goods moves back and forth in the cargo shower chamber body 1.

[0035] When the air shower ends, the air shower control panel 7 sends a signal to the interlock door controller 3. The interlock door controller 3 controls the roller shutter door 2 at the exit of the cargo shower body 1 to open, and the unmanned transport vehicle carrying the goods drives out of the cargo shower body 1. Until the second microwave sensor can no longer detect the unmanned transport vehicle in the cargo shower body 1, the interlock door controller 3 controls the roller shutter door 2 at the exit of the cargo shower body 1 to close.

[0036] When the second microwave sensor 5 detects an unmanned transport vehicle in the cargo shower body 1, the unmanned transport vehicle carrying goods runs to the front of the entrance of the cargo shower body 1, and the interlock door controller 3 controls the roller shutter door 2 at the entrance of the cargo shower body 1 not to open, so as to avoid interruption of the air shower operation of the unmanned transport vehicle carrying goods in the cargo shower body.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A dual-spray cargo shower chamber, characterized in that, Includes a tunnel-shaped cargo shower chamber for unmanned transport vehicles to move back and forth: The inlet and outlet of the cargo shower room are each equipped with a set of roller shutter doors. An interlock door controller and a first microwave sensor are installed on the outside of the inlet of the cargo shower room. A second microwave sensor is installed on the inside of the inlet of the cargo shower room. The signal input terminal of the interlock door controller is connected to the signal output terminal of the first microwave sensor and the signal output terminal of the second microwave sensor through cables. The signal output terminal of the interlock door controller is connected to the signal input terminals of the two sets of roller shutter doors through cables. Two air shower mechanisms are installed on each of the left and right side walls of the cargo shower chamber body. An air shower control panel is installed on the inner side wall of one side of the cargo shower chamber body. The signal output terminal of the air shower control panel is connected to the signal input terminal of the four air shower mechanisms through cables. The air shower control panel is bidirectionally connected to the interlock door controller.

2. The dual-spray cargo shower chamber according to claim 1, characterized in that: The cargo shower chamber body includes a 304 sandblasted stainless steel outer casing and a 304 sandblasted stainless steel inner liner, with the 304 sandblasted stainless steel inner liner installed inside the 304 sandblasted stainless steel outer casing.

3. The dual-spray cargo shower chamber according to claim 2, characterized in that: Each air shower unit includes a pre-filter, a fan, a high-efficiency filter, and stainless steel nozzles. The fan is installed between a 304 sandblasted stainless steel outer casing and a 304 sandblasted stainless steel inner liner. The pre-filter and stainless steel nozzles are installed on the 304 sandblasted stainless steel inner liner, with the pre-filter located below the stainless steel nozzles. The fan's air inlet faces the pre-filter. The high-efficiency filter is installed between the fan's air outlet and the stainless steel nozzles. The fan's signal input terminal is connected to the signal output terminal of the air shower control panel.

4. The dual-spray cargo shower chamber according to claim 3, characterized in that: Each of the aforementioned air shower units has 16 stainless steel nozzles arranged in a rectangular array.

5. The dual-spray cargo shower chamber according to claim 1, characterized in that: The roller shutter door is an electric PVC roller shutter door.

6. The dual-spray cargo shower chamber according to claim 1, characterized in that: A transparent viewing window is provided in the middle of the roller shutter door.

7. The dual-spray cargo shower chamber according to claim 1, characterized in that: A pair of infrared beam sensors are installed on the outside of the inlet and the outside of the outlet of the cargo shower body, respectively. The signal input terminal of the interlock door controller is connected to the signal output terminal of the two pairs of infrared beam sensors through cables.

8. The dual-spray cargo shower chamber according to claim 1, characterized in that: LED lights are installed on the top inner side of the cargo shower chamber.