An intelligent sterile airflow barrier device for an embryo incubator

By designing an intelligent sterile airflow barrier device in the embryo culture incubator, a dynamic sterile barrier is formed by using a flow guiding structure and a filter membrane layer, which solves the pollution and energy consumption problems caused by opening the door and achieves a sterile and energy-optimized embryo culture environment.

CN224313545UActive Publication Date: 2026-06-02TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH
Filing Date
2026-04-16
Publication Date
2026-06-02

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Abstract

This utility model belongs to the field of embryo tissue culture technology, specifically relating to an intelligent sterile airflow barrier device for an embryo culture chamber. It includes a culture chamber with a vertical plate on the front and a horizontal plate on the top. The top edge of the vertical plate is fixedly connected to one side of an arc plate, the other side of the arc plate is fixedly connected to one side of the horizontal plate, the other side of the horizontal plate is fixedly connected to one side of an inclined plate, and the other side of the inclined plate is fixedly connected to the back of the culture chamber. This utility model can continuously blow clean the hands of operators when opening and closing the culture chamber door, effectively preventing contaminated air from directly entering the chamber; it can also effectively clean residual contaminants in the chamber cavity caused by eddies or dead corners; and it can save energy and extend the service life of the silent fan.
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Description

Technical Field

[0001] This utility model belongs to the field of embryo tissue culture technology, specifically relating to an intelligent sterile airflow barrier device for an embryo culture incubator. Background Technology

[0002] In the assisted reproductive technology system, the embryo incubator is the core equipment for maintaining early embryonic development in vitro. The constancy and cleanliness of its internal microenvironment directly determine the embryo's developmental potential and clinical outcome. The temperature inside the incubator is typically maintained at 37 degrees Celsius, humidity greater than 95%, and the gas concentration is maintained at 6% carbon dioxide and 5% oxygen. Embryo culture needs to be carried out in a sterile, non-toxic, odorless, and dust-free environment to ensure healthy embryonic development. As the "cradle" of embryonic growth and development, the cleanliness of the incubator's internal environment is crucial for embryo survival and development.

[0003] Chinese Patent Application No. CN201820632135.3 discloses an embryo culture box with a protective cover to prevent unauthorized contact. The box includes an embryo culture box and a protective cover. The protective cover features a protective base plate with cylindrical sliding rods perpendicular to the base plate at each of its four corners. Each of the four sets of cylindrical sliding rods has several cylindrical sleeves. Two mutually perpendicular hinged posts are located on the sides of each sleeve, and each hinged post is hinged to a hinged connecting rod. One end of each connecting rod is hinged to a hinged post, and the other end is hinged to one end of an adjacent connecting rod. A protective net is placed between two parallel connecting rods at the same height on the same surface. The embryo culture box is placed on the protective base plate and surrounded by the protective net. When protection is needed, the top sleeve is pulled upwards, and the folded protective net unfolds upwards through the hinged structure. When protection is not needed, the top sleeve is pressed down to the bottom, and the protective net folds. The operation is simple, and the protective effect is excellent.

[0004] While current mainstream incubators can maintain a stable environment statically, they have certain drawbacks in use: The drastic environmental changes caused by opening the door allow cold, dry, dust- and microbial-rich unfiltered air from outside to rush in instantly, leading to a sharp drop in temperature and humidity and an imbalance in gas composition. Even with brief opening, it takes tens of minutes to restore stability, posing a periodic heat shock and osmotic pressure threat to the embryos. Furthermore, the airflow organization within traditional incubators often contains eddies or dead zones, resulting in residual contaminants and increasing the risk of cross-contamination. How to construct an effective dynamic sterile barrier without compromising operational convenience is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides an intelligent sterile airflow barrier device for embryo incubators. This invention utilizes the coordinated operation of vertical plates, arc plates, horizontal plates, inclined plates, sliding door assemblies, air inlet assemblies, controller assemblies, and filter plate assemblies. It continuously blows clean the hands of operators when the incubator door is opened or closed, effectively preventing contaminated air from directly entering the incubator and ensuring a stable sterile environment inside. It also effectively cleans residual contaminants in the incubator cavity caused by eddies or dead corners, and saves energy while extending the lifespan of the silent fan.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An intelligent sterile airflow barrier device for an embryo incubator includes an incubator with a vertical plate on the front and a horizontal plate on the top. The top edge of the vertical plate is fixedly connected to one side of an arc plate, the other side of the arc plate is fixedly connected to one side of the horizontal plate, the other side of the horizontal plate is fixedly connected to one side of an inclined plate, and the other side of the inclined plate is fixedly connected to the back of the incubator. An inner plate assembly is fixedly connected inside the incubator. The inner plate assembly is composed of an inner vertical plate, an inner arc plate, and an inner horizontal plate connected in sequence. The side of the inner vertical plate away from the inner arc plate is fixedly connected to the bottom of the incubator, and the side of the inner horizontal plate away from the inner arc plate is fixedly connected to the inclined plate. The inner plate assembly divides the interior of the incubator into two separate spaces. The incubator's inner cavity houses an air inlet assembly and a petri dish platform. Multiple petri dishes are evenly spaced on the top surface of the platform. The platform is located between the air inlet assembly and the filter plate assembly. The air inlet assembly and the petri dish platform are fixedly connected to the bottom of the incubator. The air inlet assembly is located where the bottom of the incubator meets the vertical plate. An air injection pipe passes through the side of the incubator, connecting the inner cavity to the outside. Multiple air outlets are located on the inclined plate. The air inlet assembly is located between the inner wall of the vertical plate and the outer wall of the inner vertical plate, while the air outlets are located between the inner wall of the horizontal plate and the inner horizontal plate.

[0008] Furthermore, the air intake assembly includes a filter plate, which is fixedly connected to the bottom surface of the incubator. The bottom surface of the filter plate is connected to the inner cavity of the air intake channel, and the inner cavity of the air intake channel is connected to the outside.

[0009] Furthermore, the air intake assembly includes an air intake crossbar, which is fixedly connected to the top of the filter plate, and multiple silent fans are arranged inside the air intake crossbar along the length of the air intake assembly.

[0010] Furthermore, a filter plate assembly is provided at the junction of the back and bottom surfaces of the incubator. The filter plate assembly includes an adsorption filter plate and multiple circulating fans. The two sides of the adsorption filter plate are fixedly connected to the back of the incubator and the side of the culture dish platform, respectively. The multiple circulating fans are installed on the inner wall of the back of the incubator and are all located in the cavity between the adsorption filter plate and the bottom surface of the incubator.

[0011] Furthermore, the culture dish platform has an air passage, and the cavity between the adsorption filter plate and the bottom surface of the incubator is connected to the space between the culture dish platform and the inner wall of the inner vertical plate through the air passage. The circulating fan is directly opposite the air passage.

[0012] Furthermore, the inner horizontal plate has a hollowed-out center and an inner sliding door is installed thereon. The hollowed-out center of the horizontal plate also has a sliding door assembly installed thereon. The sliding door assembly includes a sliding door and a sliding rail. Both sliding rails are fixedly connected to the top surface of the horizontal plate. The length direction of the sliding rails is consistent with the length direction of the horizontal plate. Both sliding doors are slidably connected to the sliding rails and located between the two sliding rails.

[0013] Furthermore, the incubator includes multiple heating rods, which are fixedly connected to the inner wall of the inclined plate at even intervals.

[0014] Furthermore, the incubator includes a water tank, which is housed within the incubator cavity and fixedly connected to the bottom surface of the incubator. The water tank is located between the air inlet assembly and the petri dish platform, and the top surface of the water tank is located below the air passage.

[0015] Furthermore, a controller assembly is fixedly connected to the outer wall of the vertical plate facing away from the inner cavity of the incubator, and a sensor assembly is fixedly connected to the top surface of the culture dish platform. The temperature sensor, humidity sensor and gas concentration sensor in the sensor assembly are all electrically connected to the controller assembly through wires laid on the inner wall of the incubator.

[0016] Furthermore, the bottom surface of the incubator is fixedly connected to two supports, each support including a connecting plate. The top surface of the connecting plate is fixedly connected to the bottom surface of the incubator, and a triangular bracket is fixedly connected to the bottom surface of the connecting plate. A reinforcing plate is fixedly connected to the middle of the triangular bracket.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] (1) This utility model can effectively prevent contaminated air from directly entering the incubator when the incubator door is opened and closed, thus ensuring a stable sterile state inside the incubator. This is because the structure of the incubator is designed in a sequential manner from front to back as a flow guide structure composed of vertical plates, arc plates, horizontal plates, and inclined plates. Inner plate filter membranes are installed inside the filter membrane layer of the incubator according to the same outline. By setting inner vertical plate filter membranes, inner arc plate filter membranes, and inner horizontal plate filter membranes on the inner wall of the filter membrane layer, the inner cavity of the incubator is divided into two spaces. The filter membrane layer of the culture dish is placed in the inner space separated by the inner plate filter membrane layer. This allows the filtered clean air blown into the incubator from the air inlet assembly to first rise along the vertical plate. The clean air flows horizontally along the inner curved surface of the arc plate, guided by the arc plate. It then flows horizontally near the bottom of the horizontal plate. Multiple air outlet filter membranes are located between the inner wall of the horizontal plate filter membrane and the outer wall of the inner horizontal plate filter membrane. Finally, the clean air flows to the inclined plate and exits through the air outlet filter membrane to the outside of the incubator. This ensures that when the sliding door is opened, external impurities on the operator's hands are first blown away by the clean air. Although the sliding door is connected to the outside, the continuous flow of clean air between the sliding door and the inner sliding door filter membrane forms an air barrier, effectively blocking the low-temperature, dry, dust- and microbial-rich unfiltered air from outside the incubator, creating an effective dynamic sterile barrier and ensuring a stable sterile environment inside the incubator.

[0019] (2) In this invention, the residual pollutants in the inner cavity caused by eddies or dead corners in the chamber are effectively cleaned. Because the internal structure of the filter membrane layer of the inner plate assembly in the incubator is arranged from front to back as an inner vertical plate, an inner arc plate, an inner horizontal plate and an inclined plate, an n-shaped flow guide structure is formed in the inner plate assembly filter membrane layer of the incubator to surround the culture dish platform. When cleaning the residual pollutants inside, the circulating fan filter membrane layer is started, and the internal air is blown out through the air passage filter membrane layer. The air flows along the internal flow guide contour, thereby constructing an effective dynamic sterile barrier around the culture dish platform. The airflow path is smooth and there are no eddies or dead corners. The residual pollutants inside can be circulated through the adsorption filter plate filter membrane layer. The adsorption filter plate filter membrane layer adsorbs the residual pollutants inside and avoids contaminating the culture dish filter membrane layer. The smooth contour design optimizes the uniformity of the flow field inside the chamber, provides an ultra-clean and stable culture environment for embryo development, and reduces the risk of cross-contamination.

[0020] (3) This utility model can save energy and extend the service life of the silent fan; the silent fan in the sliding door and the air inlet assembly are electrically connected to the controller assembly. The silent fan is configured such that when the operator opens the sliding door, it transmits an electrical signal to the controller assembly. The controller assembly that receives the electrical signal transmits an electrical signal to the silent fan. The silent fan that receives the electrical signal starts and draws in the outside air through the air inlet channel. The air that is drawn in becomes clean air after passing through the filter plate containing multiple layers of filter membrane. The clean air enters the inner cavity of the incubator through the air inlet crossbar and flows along the internal guide contour. When the sliding door is closed, it transmits an electrical signal to the controller assembly again. The controller assembly that receives the electrical signal a second time transmits an electrical signal to the silent fan again. The silent fan that receives the electrical signal a second time continues to run for a period of time and then shuts down. This can ensure that the air inside the incubator is fully purified and avoid the waste of energy caused by the continuous operation of the silent fan, thus extending the service life of the silent fan. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of an intelligent sterile airflow barrier device for an embryo incubator according to the present invention. Figure 1 ;

[0022] Figure 2 This is a schematic cross-sectional view of an intelligent sterile airflow barrier device for an embryo incubator according to the present invention. Figure 1 ;

[0023] Figure 3 This is a schematic diagram of the overall structure of an intelligent sterile airflow barrier device for an embryo incubator according to the present invention. Figure 2 ;

[0024] Figure 4 This is a schematic cross-sectional view of an intelligent sterile airflow barrier device for an embryo incubator according to the present invention. Figure 2 ;

[0025] Figure 5 This is a schematic cross-sectional view of an intelligent sterile airflow barrier device for an embryo incubator according to the present invention. Figure 3 ;

[0026] Figure 6 This is a partial cross-sectional structural diagram of an intelligent sterile airflow barrier device for an embryo incubator according to the present invention.

[0027] Figure 7 This is a schematic diagram of the support structure of an intelligent sterile airflow barrier device for an embryo incubator according to the present invention.

[0028] The attached figures are labeled as follows:

[0029] 100. Incubator; 101. Vertical panel; 102. Curved panel; 103. Horizontal panel; 104. Slanted panel; 1041. Air outlet; 105. Curved glass; 106. Heating rod; 107. Water tank; 108. Inner layer panel assembly; 1081. Inner vertical panel; 1082. Inner curved panel; 1083. Inner horizontal panel; 1084. Inner sliding door;

[0030] 200. Sliding door assembly; 201. Sliding door; 202. Sliding track;

[0031] 300. Air intake assembly; 301. Air intake crossbar; 302. Filter plate; 303. Air intake duct; 304. Silent fan;

[0032] 400. Controller assembly;

[0033] 500. Petri dish stand; 501. Petri dish; 502. Air passageway;

[0034] 600. Filter plate assembly; 601. Adsorption filter plate; 602. Circulating fan;

[0035] 700. Support; 701. Connecting plate; 702. Triangular bracket; 703. Reinforcing plate;

[0036] 800. Sensor assembly; 801. Temperature sensor; 802. Humidity sensor; 803. Gas concentration sensor;

[0037] 900. Gas injection tube. Detailed Implementation

[0038] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention. Furthermore, the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0039] refer to Figures 1-7As shown, this embodiment provides an intelligent sterile airflow barrier device for an embryo culture chamber, including a culture chamber 100. The front of the culture chamber is a vertical plate 101, and the top surface is a horizontal plate 103. The top edge of the vertical plate 101 is fixedly connected to one side of an arc plate 102, the other side of the arc plate 102 is fixedly connected to one side of the horizontal plate 103, the other side of the horizontal plate 103 is fixedly connected to one side of an inclined plate 104, and the other side of the inclined plate 104 is fixedly connected to the back of the culture chamber 100. An inner plate assembly 108 is fixedly connected inside the incubator 100. The inner plate assembly 108 is composed of an inner vertical plate 1081, an inner arc plate 1082, and an inner horizontal plate 1083 connected in sequence. The inner vertical plate 1081 is fixedly connected to the bottom surface of the incubator 100 on the side away from the inner arc plate 1082, and the inner horizontal plate 1083 is fixedly connected to the inclined plate 104 on the side away from the inner arc plate 1082. The inner plate assembly 108 divides the interior of the incubator 100 into two separate spaces. The incubator 100 houses an air inlet assembly 300 and a petri dish platform 500. Multiple petri dishes 501 are evenly spaced on the top surface of the petri dish platform 500, which is located between the air inlet assembly 300 and the filter plate assembly 600. The air inlet assembly 300 and the petri dish platform 500 are fixedly connected to the bottom surface of the incubator 100. The air inlet assembly 300 is located at the junction of the bottom surface of the incubator 100 and the vertical plate 101. An air injection pipe 900 passes through the side of the incubator 100, connecting the inner cavity of the incubator 100 to the outside. Multiple air outlets 1041 are opened on the inclined plate 104. The air inlet assembly 300 is located between the inner wall of the vertical plate 101 and the outer wall of the inner vertical plate 1081, and the air outlets 1041 are located between the inner wall of the horizontal plate 103 and the inner horizontal plate 1083.

[0040] In this invention, when the incubator 100 is opened and closed for operation, contaminated air from the outside can be effectively prevented from directly entering the interior of the incubator, ensuring a stable sterile state inside the incubator 100. This is because the incubator 100 is designed with a flow-guiding structure consisting of a vertical plate 101, an arc plate 102, a horizontal plate 103, and an inclined plate 104 arranged sequentially from front to back. An inner layer plate assembly 108 is installed inside the incubator 100 according to the same outline. By setting the inner vertical plate 1081, inner arc plate 1082, and inner horizontal plate 1083 on the inner wall of the incubator 100, the inner cavity of the incubator is divided into two spaces. The culture dish platform 500, which holds the culture dish 501, is housed in the inner space separated by the inner layer plate assembly 108. This allows the filtered clean air blown into the incubator 100 from the air inlet assembly 300 to first flow along the vertical plate 101... The clean air flows upwards and is guided by the arc plate 102, causing it to flow horizontally along the inner arc surface of the arc plate 102. Then, it flows horizontally near the bottom of the horizontal plate 103. Because the inclined plate 104 has multiple air outlets 1041, which are located between the inner wall of the horizontal plate 103 and the outer wall of the inner horizontal plate 1083, the clean air finally flows to the inclined plate 104 and flows out from the air outlets 1041 to the outside of the incubator. This allows the clean air to blow away external impurities on the operator's hands when the sliding door 201 is opened. Although the sliding door 201 is connected to the outside, the continuous flow of clean air between the sliding door 201 and the inner sliding door 1084 forms an air barrier, which can effectively block the low-temperature, dry, dust- and microbial-rich unfiltered air outside the incubator from entering the door, thus constructing an effective dynamic sterile barrier and ensuring a stable sterile state inside the incubator 100.

[0041] It is worth noting that the gas injection pipe 900 can be connected to gas cylinders of different gases to inject the gas that needs to be injected into the inner cavity of the incubator 100 through the gas injection pipe 900, so that the carbon dioxide concentration in the gas composition inside the incubator 100 is maintained at 6% and the oxygen concentration is maintained at 5%. Moreover, the gas injection pipe 900 is connected to an air intake solenoid valve. The air intake solenoid valve can open the air intake after the gas concentration sensor 803 detects the change in gas concentration. This is existing technology and will not be described in detail.

[0042] Furthermore, the air intake assembly 300 includes a filter plate 302, which is fixedly connected to the bottom surface of the incubator 100. The bottom surface of the filter plate 302 is connected to the inner cavity of the air intake channel 303, and the inner cavity of the air intake channel 303 is connected to the outside.

[0043] Furthermore, the air intake assembly 300 includes an air intake crossbar 301, which is fixedly connected to the top of the filter plate 302. Multiple silent fans 304 are arranged inside the air intake crossbar 301 along the length of the air intake assembly 300.

[0044] In this invention, residual contaminants remaining in the inner cavity due to eddies or dead corners within the incubator are effectively cleaned. The internal structure of the inner plate assembly 108 in the incubator 100, arranged sequentially from front to back, consists of an inner vertical plate 1081, an inner arc plate 1082, an inner horizontal plate 1083, and an inclined plate 104. This forms an n-shaped flow-guiding structure surrounding the culture dish platform 500 within the inner plate assembly 108 of the incubator 100. When cleaning residual contaminants, the circulating fan 602 is activated, drawing out the internal contaminants. Air is blown out through the air passage 502 and flows along the internal guide contour, thereby creating an effective dynamic sterile barrier around the culture dish platform 500. This airflow path is smooth and has no eddy dead corners. It can circulate the internal residual pollutants through the adsorption filter plate 601, and the adsorption filter plate 601 adsorbs the internal residual pollutants to avoid contaminating the culture dish 501. The smooth contour design optimizes the uniformity of the flow field in the chamber, providing an ultra-clean and stable culture environment for embryo development and reducing the risk of cross-contamination.

[0045] Furthermore, a filter plate assembly 600 is provided at the junction of the back and bottom surfaces of the incubator 100. The filter plate assembly 600 includes an adsorption filter plate 601 and multiple circulating fans 602. The two sides of the adsorption filter plate 601 are fixedly connected to the back of the incubator 100 and the side of the culture dish platform 500, respectively. The multiple circulating fans 602 are installed on the inner wall of the back of the incubator 100 and are all located in the cavity between the adsorption filter plate 601 and the bottom surface of the incubator 100.

[0046] Furthermore, the culture dish platform 500 has an air passage 502, and the cavity between the adsorption filter plate 601 and the bottom surface of the incubator 100 is connected to the space between the culture dish platform 500 and the inner wall of the inner vertical plate 1081 through the air passage 502. The circulating fan 602 is directly opposite the air passage 502.

[0047] Furthermore, the inner horizontal plate 1083 has a hollowed-out center and an inner sliding door 1084 is installed thereon. The horizontal plate 103 also has a hollowed-out center and a sliding door assembly 200 is installed thereon. The sliding door assembly 200 includes a sliding door 201 and a slide rail 202. Both slide rails 202 are fixedly connected to the top surface of the horizontal plate 103. The length direction of the slide rail 202 is consistent with the length direction of the horizontal plate 103. Both sliding doors 201 are slidably connected to the slide rails 202 and located between the two slide rails 202.

[0048] In this invention, both the arc plate 102 and the inner arc plate 1082 are equipped with opposing arc-shaped glass 105 to facilitate operators to observe the condition of the culture dish 501 inside the incubator 100 from the outside.

[0049] Furthermore, the incubator 100 includes a plurality of heating rods 106, which are fixedly connected to the inner wall of the vertical plate 101 at even intervals.

[0050] In this invention, the heating rod 106 is electrically connected to the controller assembly 400 so that the temperature inside the incubator 100 can be adjusted by the adjustment key on the controller assembly 400, which is the prior art.

[0051] Furthermore, the incubator 100 includes a water tank 107, which is housed in the inner cavity of the incubator 100 and fixedly connected to the bottom surface of the incubator 100. The water tank 107 is located between the air inlet assembly 300 and the petri dish platform 500, and the top surface of the water tank 107 is located below the air passage 502.

[0052] In this invention, the water tank 107 inside the incubator 100 is filled with an appropriate amount of water as needed, and the humidity inside the incubator 100 is controlled by the evaporation of the water.

[0053] Furthermore, a controller assembly 400 is fixedly connected to the outer wall of the vertical plate 101 facing away from the inner cavity of the incubator 100, and a sensor assembly 800 is fixedly connected to the top surface of the culture dish platform 500. The temperature sensor 801, humidity sensor 802 and gas concentration sensor 803 in the sensor assembly 800 are all electrically connected to the controller assembly 400 through wires laid on the inner wall of the incubator 100.

[0054] In this invention, the controller assembly 400 receives electrical signals transmitted by the temperature sensor 801, humidity sensor 802, and gas concentration sensor 803 in real time, and converts the electrical signals into digital signals to display the temperature, humidity, and gas concentration inside the incubator 100 in real time on the panel screen of the controller assembly 400, so that the operator can adjust them according to the needs. This is prior art and will not be described in detail.

[0055] Furthermore, the bottom surface of the incubator 100 is fixedly connected to two supports 700. Each support 700 includes a connecting plate 701. The top surface of the connecting plate 701 is fixedly connected to the bottom surface of the incubator 100. A triangular bracket 702 is fixedly connected to the bottom surface of the connecting plate 701. A reinforcing plate 703 is fixedly connected to the middle part of the triangular bracket 702.

[0056] In this invention, both the sliding door 201 and the silent fan 304 in the air inlet assembly 300 are electrically connected to the controller assembly 400. The silent fan 304 is configured to transmit an electrical signal to the controller assembly 400 when the operator opens the sliding door 201. Upon receiving the electrical signal, the controller assembly 400 transmits an electrical signal to the silent fan 304, which then starts, drawing in outside air through the air inlet channel 303. The drawn-in air becomes clean air after passing through a filter plate 302 containing multiple layers of filter membranes. The clean air then passes through the air inlet crossbar. 301 enters the inner cavity of the incubator 100 and flows along the internal guide contour; when the sliding door 201 is closed, it transmits an electrical signal to the controller assembly 400 again. The controller assembly 400, which receives the electrical signal for the second time, transmits an electrical signal to the silent fan 304 again. The silent fan 304, which receives the electrical signal for the second time, continues to run for a period of time and then shuts down. This ensures that the air inside the incubator 100 is fully purified and avoids the waste of energy caused by the continuous operation of the silent fan 304. It realizes intelligent control of the silent fan 304 and extends the service life of the silent fan 304.

[0057] It is worth noting that differential pressure sensors are evenly arranged on the filter plate 302 of the air intake assembly 300. At the same time, the differential pressure sensors are electrically connected to the controller assembly 400. The differential pressure sensors monitor the resistance of airflow through the filter plate 302. When the resistance reaches the set threshold, the controller assembly 400 will prompt to replace the filter membrane layer in the filter plate 302.

Claims

1. An intelligent sterile airflow barrier device for an embryo incubator, characterized by, The incubator includes an incubator (100), the front of which is a vertical plate (101) and the top is a horizontal plate (103). The top edge of the vertical plate (101) is fixedly connected to one side of an arc plate (102), the other side of the arc plate (102) is fixedly connected to one side of the horizontal plate (103), the other side of the horizontal plate (103) is fixedly connected to one side of an inclined plate (104), and the other side of the inclined plate (104) is fixedly connected to the back of the incubator (100). An inner layer plate assembly is fixedly connected inside the incubator (100). The inner layer plate assembly (108) is composed of an inner vertical plate (1081), an inner arc plate (1082) and an inner horizontal plate (1083) connected in sequence. The inner vertical plate (1081) is fixedly connected to the bottom surface of the incubator (100) on the side away from the inner arc plate (1082), and the inner horizontal plate (1083) is fixedly connected to the inclined plate (104) on the side away from the inner arc plate (1082). The inner layer plate assembly (108) divides the interior of the incubator (100) into two separate spaces. The incubator (100) contains an air inlet assembly (300) and a petri dish platform (500). Multiple petri dishes (501) are evenly spaced on the top surface of the petri dish platform (500). The petri dish platform (500) is located between the air inlet assembly (300) and the filter plate assembly (600). The air inlet assembly (300) and the petri dish platform (500) are fixedly connected to the bottom surface of the incubator (100). The air inlet assembly (300) is located at the junction of the bottom surface of the incubator (100) and the vertical plate (101). The air injection pipe (900) passes through the side of the incubator (100) to connect the inner cavity of the incubator (100) with the outside. The inclined plate (104) has multiple air outlets (1041), the air inlet assembly (300) is located between the inner wall of the vertical plate (101) and the outer wall of the inner vertical plate (1081), and the air outlets (1041) are located between the inner wall of the horizontal plate (103) and the inner horizontal plate (1083). The inner horizontal plate (1083) has a hollowed-out center and an inner sliding door (1084) is installed thereon. The horizontal plate (103) has a hollowed-out center and a sliding door assembly (200) is installed thereon. The sliding door assembly (200) includes a sliding door (201) and a sliding rail (202). The two sliding rails (202) are fixedly connected to the top surface of the horizontal plate (103). The length direction of the sliding rail (202) is consistent with the length direction of the horizontal plate (103). The two sliding doors (201) are slidably connected to the sliding rail (202) and located between the two sliding rails (202).

2. The intelligent sterile airflow barrier device for an embryo incubator of claim 1, wherein, The air intake assembly (300) includes a filter plate (302), which is fixedly connected to the bottom surface of the incubator (100). The bottom surface of the filter plate (302) is connected to the inner cavity of the air intake channel (303), and the inner cavity of the air intake channel (303) is connected to the outside.

3. The intelligent sterile airflow barrier device for an embryo incubator of claim 2, wherein, The air intake assembly (300) includes an air intake crossbar (301), which is fixedly connected to the top of the filter plate (302). Multiple silent fans (304) are arranged inside the air intake crossbar (301) along the length of the air intake assembly (300).

4. The intelligent sterile airflow barrier device for an embryo incubator of claim 1, wherein, A filter plate assembly (600) is provided at the junction of the back and bottom surfaces of the incubator (100). The filter plate assembly (600) includes an adsorption filter plate (601) and multiple circulating fans (602). The two sides of the adsorption filter plate (601) are fixedly connected to the back of the incubator (100) and the side of the culture dish platform (500), respectively. The multiple circulating fans (602) are installed on the inner wall of the back of the incubator (100) and are all located in the cavity between the adsorption filter plate (601) and the bottom surface of the incubator (100).

5. The intelligent sterile airflow barrier device for an embryo incubator of claim 4, wherein, The culture dish platform (500) has an air passage (502). The cavity between the adsorption filter plate (601) and the bottom surface of the incubator (100) is connected to the space between the culture dish platform (500) and the inner wall of the inner vertical plate (1081) through the air passage (502). The circulating fan (602) is directly opposite the air passage (502).

6. The intelligent sterile airflow barrier device for an embryo incubator of claim 1, wherein, The incubator (100) includes a plurality of heating rods (106), which are fixedly connected to the inner wall of the inclined plate (104) at uniform intervals.

7. The intelligent sterile airflow barrier device for an embryo incubator of claim 1, wherein, The incubator (100) includes a water tank (107), which is housed in the inner cavity of the incubator (100) and fixedly connected to the bottom surface of the incubator (100). The water tank (107) is located between the air inlet assembly (300) and the petri dish platform (500), and the top surface of the water tank (107) is located below the air passage (502).

8. The intelligent sterile airflow barrier device for an embryo incubator of claim 1, wherein, A controller assembly (400) is fixedly connected to the outer wall of the vertical plate (101) facing away from the inner cavity of the incubator (100). A sensor assembly (800) is fixedly connected to the top surface of the culture dish platform (500). The temperature sensor (801), humidity sensor (802) and gas concentration sensor (803) in the sensor assembly (800) are all electrically connected to the controller assembly (400) through wires laid on the inner wall of the incubator (100).

9. The intelligent sterile airflow barrier device for an embryo incubator of claim 1, wherein, The bottom surface of the incubator (100) is fixedly connected to two supports (700). The supports (700) include a connecting plate (701). The top surface of the connecting plate (701) is fixedly connected to the bottom surface of the incubator (100). A triangular bracket (702) is fixedly connected to the bottom surface of the connecting plate (701). A reinforcing plate (703) is fixedly connected to the middle part of the triangular bracket (702).