Field irrigation simulation system

Abstract

The invention relates to the technical field of agricultural equipment, in particular to a field irrigation simulation system which comprises a simulation mechanism used for simulating a field environment, a plurality of planting mechanisms used for planting crops, a plurality of real-time monitoring mechanisms used for monitoring the simulation mechanism and the planting mechanisms in real time and a plurality of irrigation mechanisms used for irrigating water and / or chemicals. And the electrical control unit is used for integral control. According to the invention, a series of work such as accurate simulation of a field environment, batch planting of crops, environment detection, crop detection and custom selection of multiple irrigation modes can be realized, the automation and custom degree is high, the integration degree is high, the occupied space is small, the environment in the simulation mechanism is conveniently and automatically adjusted according to simulation requirements, and the simulation efficiency is improved. Meanwhile, automatic irrigation of water and chemicals can be achieved, the working intensity of researchers is greatly reduced, real-time monitoring of the environment and crops can be achieved through the real-time monitoring mechanism, the monitoring precision is high, and research work can be conveniently carried out.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural equipment, and in particular to a field irrigation simulation system. Background Art

[0002] In order to deeply explore the specific effects of different environmental factors on crop growth and formulate more scientific and reasonable agricultural management measures, it is particularly important to carry out corresponding research activities. These studies cover many aspects, from soil quality, water source protection to climate adaptability, aiming to find ways to increase crop yields and enhance crop resistance, and are also committed to exploring sustainable agricultural models. The existing field environment simulation institutions are generally simulated greenhouses. Such devices take up a large space and cannot accurately control the original environmental factors such as soil and groundwater. There is a considerable interference with subsequent environmental simulation work. At the same time, due to its large internal space, the deployment of environmental detection devices, irrigation devices, crop detection devices and other equipment is arduous and inconvenient, resulting in large errors in the returned data and high maintenance costs in the later stage, which is not conducive to conducting research work. Summary of the invention

[0003] The technical problem to be solved by the present invention is as follows: the existing field simulation device occupies a large space and has many interference factors. The deployment of various equipment inside it is cumbersome and inconvenient. At the same time, there are defects such as large errors in the returned data and high subsequent maintenance costs, which is not conducive to carrying out research work.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: a field irrigation simulation system, comprising a simulation mechanism for simulating a field environment, a plurality of planting mechanisms for planting crops, a plurality of real-time monitoring mechanisms for real-time monitoring of the simulation mechanism and the planting mechanism, a plurality of irrigation mechanisms for irrigating water and / or chemicals, and an electrical control unit for overall control, wherein the simulation mechanism is provided with a plurality of environmental simulation stations, a plurality of planting mechanisms are respectively installed on the corresponding environmental simulation stations, a plurality of crop planting stations are provided in the planting mechanism, an irrigation part of the irrigation mechanism matches the plurality of crop planting stations, the real-time monitoring mechanism is provided with an environmental monitoring mechanism, a crop monitoring mechanism and a matrix monitoring mechanism, the monitoring part of the environmental monitoring mechanism is arranged inside the simulation mechanism and corresponds to the corresponding planting mechanism, the monitoring part of the crop monitoring mechanism and the monitoring part of the matrix monitoring mechanism are aligned with the corresponding crop planting station during inspection, and the simulation mechanism, the real-time monitoring mechanism and the irrigation mechanism are all electrically connected to the electrical control unit.

[0005] When the present invention works, it can achieve a series of tasks such as precise simulation of the field environment, batch planting of crops, environmental detection, crop detection, and custom selection of various irrigation methods. It has a high degree of automation and customization, a high degree of integration, occupies a small space, is convenient for automatically adjusting the environment inside the simulation mechanism according to simulation requirements, and can also achieve automatic irrigation of water and agents, greatly reducing the work intensity of researchers. The real-time monitoring mechanism can achieve real-time monitoring of the environment and crops, with high monitoring accuracy, facilitating the conduct of research work.

[0006] Preferably, a number of horizontal push-pull mechanisms are provided inside the simulation mechanism. The number of horizontal push-pull mechanisms are arranged in pairs on both sides inside the simulation mechanism, and both ends of the number of planting mechanisms are respectively connected to the telescopic parts of their corresponding horizontal push-pull mechanisms.

[0007] Preferably, the planting mechanism includes a receiving tray for receiving the substrate and a water collecting tank for collecting excess water in the substrate. A number of limiting protrusions are convexly provided on the inner bottom surface of the receiving tray. The bottom surface of the receiving tray is arranged to be inclined from top to bottom along the moving direction of the excess water. The notch of the water collecting tank is arranged at the end of the moving path of the excess water. The limiting protrusions are provided with water permeable holes for the excess water to flow out, and the outlets of the water permeable holes are communicated with the water collecting tank.

[0008] Preferably, it further includes a water collecting mechanism. The water collecting mechanism includes a water collecting container, a liquid level detection device, a drainage device, a second ball valve and a check valve. The liquid inlet end of the water collecting container is communicated with the excess water outlet ends of a number of planting mechanisms. The liquid inlet end of the drainage device is communicated with the liquid outlet end of the water collecting container. The liquid outlet end of the drainage device is sequentially communicated with the corresponding wastewater treatment device through the second ball valve and the check valve. The detection part of the liquid level detection device is arranged inside the water collecting container. The control end of the drainage device and the signal output end of the liquid level detection device are both electrically connected to the electrical control unit.

[0009] Preferably, the irrigation mechanism includes a solenoid valve, a pressure reducing valve, a digital pressure gauge, an air inlet and exhaust valve, a first ball valve and an irrigation device. The liquid inlet end of the irrigation device is sequentially communicated with the corresponding liquid supply device through the first ball valve, the pressure reducing valve and the solenoid valve. The digital pressure gauge and the air inlet and exhaust valve are both arranged on the liquid path between the irrigation device and the pressure reducing valve. The control end of the solenoid valve and the signal output end of the digital pressure gauge are both electrically connected to the electrical control unit.

[0010] Preferably, the irrigation device is at least provided with one of a micro-spray head device, a bubbler head device, a drip irrigation tape and a subsurface irrigation pipe.

[0011] Preferably, the environmental monitoring mechanism is provided with at least one of a light intensity sensor, a temperature sensor, a humidity sensor, an atmospheric pressure sensor, an oxygen sensor and a carbon dioxide sensor.

[0012] Preferably, the real-time monitoring mechanism also includes a transferring mechanism for transferring a crop monitoring mechanism and a matrix monitoring mechanism, and the crop monitoring mechanism and the matrix monitoring mechanism are both installed on a transferring portion of the sensor transferring mechanism, and the monitoring portion of the crop monitoring mechanism and the monitoring portion of the matrix monitoring mechanism are aligned with the corresponding crop planting station under the drive of the transferring mechanism.

[0013] Preferably, the transfer mechanism includes a transfer track, a transfer mounting seat, a transmission assembly and a transfer drive device. The transfer track extends along the direction in which a plurality of crop planting stations are arranged, is arranged inside the simulation mechanism and is located above the corresponding planting mechanism. The transfer mounting seat can be slidably and limitedly mounted on the transfer track. The crop monitoring mechanism and the matrix monitoring mechanism are both mounted on the transfer mounting seat. The output portion of the transfer drive device is transmission-connected to the transfer mounting seat through the transmission assembly. Under the drive of the transfer drive device, the transfer mounting seat moves the monitoring portion of the crop monitoring mechanism and the monitoring portion of the matrix monitoring mechanism to be aligned with the corresponding crop planting station.

[0014] Preferably, a ventilation mechanism is further included, which includes a window cover and a window opening and closing device. A ventilation window is provided on the top of the simulation mechanism, and the window cover is covered on the ventilation window. One end of the window cover is rotatably limited and installed on the top of the simulation mechanism near the ventilation window. The output portion of the window opening and closing device is transmission-connected to the window cover. The window cover is flipped over by the drive of the window opening and closing device to expose the ventilation window. At least one ventilation opening is provided on the simulation mechanism, and each ventilation opening is covered with a ventilation fan.

[0015] The beneficial technical effects of the present invention include:

[0016] The present invention can realize a series of tasks such as accurate simulation of field environment, batch planting of crops, environmental detection, crop detection, and customized selection of various irrigation methods. It has a high degree of automation and customization, a high degree of integration, and occupies a small space. It is convenient to automatically adjust the environment in the simulation mechanism according to the simulation requirements. At the same time, it can also realize automatic irrigation of water and chemicals, which greatly reduces the workload of researchers. The use of a real-time monitoring mechanism can realize real-time monitoring of the environment and crops, with high monitoring accuracy, which is convenient for conducting research work.

[0017] Other features and advantages of the present invention will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings:

[0019] Figure 1 It is a schematic structural diagram of a field irrigation simulation system;

[0020] Figure 2 It is a partial enlarged view of a field irrigation simulation system;

[0021] Figure 3 It is Figure 1 a partial enlarged view of the position A in

[0022] Figure 4 It is a connection schematic diagram of a field irrigation simulation system. Specific embodiments

[0023] The technical solutions of the embodiments of the present invention will be explained and described below in conjunction with the accompanying drawings of the embodiments of the present invention. However, the following embodiments are only the preferred embodiments of the present invention, not all of them. Based on the embodiments in the implementation manners, other embodiments obtained by those skilled in the art without creative efforts all fall within the protection scope of the present invention.

[0024] In the following description, terms such as "inner", "outer", "upper", "lower", "left", "right", etc. indicating orientation or position relationship are only for the convenience of describing the embodiments and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention.

[0025] Please refer to Figure 1 , this embodiment discloses a field irrigation simulation system, including a simulation mechanism 1 for simulating the field environment, several planting mechanisms 2 for planting crops, several real-time monitoring mechanisms 3 for real-time monitoring of the simulation mechanism 1 and the planting mechanism 2, several irrigation mechanisms 4 for irrigating water and / or medicaments, and an electrical control unit 5 for overall control. The following will be described in detail with reference to the accompanying drawings.

[0026] Please refer to Figures 1 to 4, in this embodiment, several environmental simulation workstations are provided inside the simulation mechanism 1, several planting mechanisms 2 are respectively installed on their corresponding environmental simulation workstations, several crop planting workstations are provided inside the planting mechanism 2, the irrigation parts of the irrigation mechanism 4 are matched with several crop planting workstations, the real-time monitoring mechanism 3 is provided with an environmental monitoring mechanism 31, a crop monitoring mechanism 32 and a substrate monitoring mechanism 33, the monitoring parts of the environmental monitoring mechanism 31 are arranged inside the simulation mechanism 1 and correspond to their respective corresponding planting mechanisms 2, the monitoring parts of the crop monitoring mechanism 32 and the substrate monitoring mechanism 33 are aligned with the corresponding crop planting workstations during inspection, and the simulation mechanism 1, the real-time monitoring mechanism 3 and the irrigation mechanism 4 are all electrically connected to the electrical control unit 5.

[0027] When this embodiment works, it can realize a series of operations such as precise simulation of the field environment, batch planting of crops, environmental detection, crop detection, and custom selection of various irrigation methods. It has a high degree of automation and customization, a high degree of integration, occupies a small space, is convenient for automatically adjusting the environment inside the simulation mechanism 1 according to simulation requirements, and can also realize automatic irrigation of water and agents, greatly reducing the work intensity of researchers. Using the real-time monitoring mechanism 3 can realize real-time monitoring of the environment and crops, with high monitoring accuracy and facilitating research work.

[0028] Preferably, several horizontal push-pull mechanisms 11 are provided inside the simulation mechanism 1. Several horizontal push-pull mechanisms 11 are arranged in pairs on both sides inside the simulation mechanism 1. The two ends of several planting mechanisms 2 are respectively connected to the telescopic parts of their corresponding horizontal push-pull mechanisms 11. When working, when it is necessary to view or replace the crops, only need to pull out the planting mechanism 2 outward, without repeatedly disassembling and assembling the planting mechanism 2. The operation is convenient and fast, and can reduce the labor intensity of researchers.

[0029] As a further improvement of this embodiment, the planting mechanism 2 includes a receiving tray 21 for receiving the substrate and a water collecting tank 22 for collecting the excess water in the substrate. Several limiting protrusions 211 are convexly provided on the inner bottom surface of the receiving tray 21. The bottom surface of the receiving tray 21 is arranged to be inclined from top to bottom along the moving direction of the excess water. The notch of the water collecting tank 22 is arranged at the end of the moving path of the excess water. The limiting protrusions 211 are provided with water permeable holes 2111 for the excess water to flow out. The outlet of the water permeable holes 2111 is communicated with the water collecting tank 22. When working, it can timely drain the excess water in the substrate and is also convenient for cleaning the planting mechanism 2 when replacing the substrate. It can drain the water in the planting mechanism 2 without additional drainage work.

[0030] In specific implementation, it further includes a water collection mechanism 6, which can collect the discharged water. The water collection mechanism 6 includes a water collection container 61, a liquid level detection device 62, a drainage device 63, a second ball valve 64 and a check valve 65. The liquid inlet end of the water collection container 61 is communicated with the surplus water outlet ends of several planting mechanisms 2. The liquid inlet end of the drainage device 63 is communicated with the liquid outlet end of the water collection container 61. The liquid outlet end of the drainage device 63 is successively communicated with the corresponding wastewater treatment device through the second ball valve 64 and the check valve 65. The detection part of the liquid level detection device 62 is arranged inside the water collection container 61. The control end of the drainage device 63 and the signal output end of the liquid level detection device 62 are both electrically connected to the electrical control unit 5. During operation, the water collection container 61 is communicated with several water collection tanks 22 and collects the water therein. When the water level in the water collection container 61 rises to a preset position, the liquid level detection device 62 is triggered, and the drainage device 63 performs drainage work under the drive of the electrical control unit 5, with a high degree of automation and simplifying the work content of researchers.

[0031] Preferably, the irrigation mechanism 4 includes a solenoid valve 41, a pressure reducing valve 42, a digital pressure gauge 43, an air inlet and exhaust valve 44, a first ball valve 45 and an irrigation device 46. The liquid inlet end of the irrigation device 46 is successively communicated with the corresponding liquid supply device through the first ball valve 45, the pressure reducing valve 42 and the solenoid valve 41. The digital pressure gauge 43 and the air inlet and exhaust valve 44 are both arranged on the liquid path between the irrigation device 46 and the pressure reducing valve 42. The control end of the solenoid valve 41 and the signal output end of the digital pressure gauge 43 are both electrically connected to the electrical control unit 5. As a further improvement of this embodiment, when studying the growth of crops by various irrigation methods, the irrigation device 46 is at least provided with one of a micro-spray head device, a bubbler head device, a drip irrigation tape and a sub-surface irrigation pipe, and can be custom-adjusted according to factors such as crop type and research direction in actual work.

[0032] In this embodiment, the environmental monitoring mechanism 31 is at least provided with one of a light intensity sensor, a temperature sensor, a humidity sensor, an atmospheric pressure sensor, an oxygen sensor and a carbon dioxide sensor. Of course, any other existing environmental monitoring sensor can also be selected according to actual needs.

[0033] Preferably, the real-time monitoring mechanism 3 further includes a transfer mechanism 34 for transferring the crop monitoring mechanism 32 and the substrate monitoring mechanism 33. Both the crop monitoring mechanism 32 and the substrate monitoring mechanism 33 are installed on the transfer part of the sensor transfer mechanism 34. The monitoring parts of the crop monitoring mechanism 32 and the substrate monitoring mechanism 33 are aligned with the corresponding crop planting stations driven by the transfer mechanism 34. In specific implementation, the crop monitoring mechanism 32 can adopt any suitable monitoring device, such as a visible light camera, a multispectral camera, a hyperspectral camera, a thermal imaging camera, etc. The substrate monitoring mechanism 33 can also adopt any existing monitoring device, such as a soil multi-parameter sensor for monitoring parameters such as nitrogen, phosphorus, potassium content, temperature, humidity, conductivity, pH value, etc. in the soil.

[0034] In this embodiment, the transfer mechanism 34 includes a transfer track 341, a transfer mounting seat 342, a transmission component 343, and a transfer driving device 344. The transfer track 341 extends along the direction in which several crop planting stations are arranged inside the simulation mechanism 1 and is located above the corresponding planting mechanism 2. The transfer mounting seat 342 is slidably and limit-mounted on the transfer track 341. Both the crop monitoring mechanism 32 and the substrate monitoring mechanism 33 are installed on the transfer mounting seat 342. The output part of the transfer driving device 344 is in transmission connection with the transfer mounting seat 342 through the transmission component 343. The transfer mounting seat 342 drives the monitoring parts of the crop monitoring mechanism 32 and the substrate monitoring mechanism 33 to be aligned with the corresponding crop planting stations under the drive of the transfer driving device 344, which can reduce the number of devices, facilitate wiring, reduce equipment costs, and at the same time ensure the consistency of data collection and facilitate subsequent data processing work.

[0035] In this embodiment, a ventilation mechanism 7 is further included. The ventilation mechanism 7 includes a window cover plate 71 and a window opening and closing device 72. A ventilation window 12 is opened at the top of the simulation mechanism 1. The window cover plate 71 covers the ventilation window 12. One end of the window cover plate 71 is rotatably and limit-mounted at a position on the top of the simulation mechanism 1 close to the ventilation window 12. The output part of the window opening and closing device 72 is in transmission connection with the window cover plate 71. The window cover plate 71 is flipped under the drive of the window opening and closing device 72 to expose the ventilation window 12. At least one ventilation opening 13 is opened on the simulation mechanism 1, and a ventilation fan 131 is covered and installed on each ventilation opening 13. The environmental regulation effect is good, the accuracy of environmental regulation can be guaranteed, and it is suitable for use in research work with high accuracy.

[0036] The beneficial technical effects of this embodiment include: The present invention can achieve a series of tasks such as precise simulation of the field environment, batch planting of crops, environmental detection, crop detection, and customized selection of various irrigation methods. It has a high degree of automation and customization, a high degree of integration, occupies a small space, is convenient for automatically adjusting the environment inside the simulation mechanism according to simulation requirements, and can also achieve automated irrigation of water and agents, greatly reducing the work intensity of researchers. The use of a real-time monitoring mechanism can achieve real-time monitoring of the environment and crops, with high monitoring accuracy, facilitating research work.

[0037] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes but is not limited to the content described in the drawings and the above specific implementation manner. Any modification that does not deviate from the functional and structural principles of the present invention will be included in the scope of the claims.

Claims

1. A field irrigation simulation system, characterized in that: It includes a simulation mechanism (1) for simulating a field environment, several planting mechanisms (2) for planting crops, several real-time monitoring mechanisms (3) for real-time monitoring of the simulation mechanism (1) and the planting mechanisms (2), several irrigation mechanisms (4) for irrigation water and / or medicaments, and an electrical control unit (5) for overall control. There are several environmental simulation workstations in the simulation mechanism (1), and several planting mechanisms (2) are respectively installed on their corresponding environmental simulation workstations. There are several crop planting workstations in the planting mechanism (2). The irrigation parts of the irrigation mechanism (4) are matched with several crop planting workstations. The real-time monitoring mechanism (3) is provided with an environmental monitoring mechanism (31), a crop monitoring mechanism (32), and a substrate monitoring mechanism (33). The monitoring parts of the environmental monitoring mechanism (31) are arranged inside the simulation mechanism (1) and correspond to their respective planting mechanisms (2). The monitoring parts of the crop monitoring mechanism (32) and the substrate monitoring mechanism (33) are aligned with the corresponding crop planting workstations during patrol. The simulation mechanism (1), the real-time monitoring mechanism (3), and the irrigation mechanism (4) are all electrically connected to the electrical control unit (5).

2. The field irrigation simulation system according to claim 1, wherein: There are several horizontal push-pull mechanisms (11) in the simulation mechanism (1). Several horizontal push-pull mechanisms (11) are arranged in pairs on both sides inside the simulation mechanism (1). The two ends of several planting mechanisms (2) are respectively connected to the telescopic parts of their corresponding horizontal push-pull mechanisms (11).

3. The field irrigation simulation system according to claim 1, wherein: The planting mechanism (2) includes a receiving tray (21) for receiving the substrate and a water collecting tank (22) for collecting the excess water in the substrate. Several limiting protrusions (211) are convexly provided on the inner bottom surface of the receiving tray (21). The bottom surface of the receiving tray (21) is arranged to be inclined downward from top to bottom along the moving direction of the excess water. The notch of the water collecting tank (22) is arranged at the end of the moving path of the excess water. The limiting protrusions (211) are provided with water permeable holes (2111) for the excess water to flow out. The outlets of the water permeable holes (2111) are communicated with the water collecting tank (22).

4. A field irrigation simulation system according to claim 1, wherein: It also includes a water collecting mechanism (6). The water collecting mechanism (6) includes a water collecting container (61), a liquid level detection device (62), a drainage device (63), a second ball valve (64), and a check valve (65). The liquid inlet end of the water collecting container (61) is communicated with the excess water outlet ends of several planting mechanisms (2). The liquid inlet end of the drainage device (63) is communicated with the liquid outlet end of the water collecting container (61). The liquid outlet end of the drainage device (63) is sequentially communicated with the corresponding wastewater treatment device through the second ball valve (64) and the check valve (65). The detection part of the liquid level detection device (62) is arranged inside the water collecting container (61). The control end of the drainage device (63) and the signal output end of the liquid level detection device (62) are both electrically connected to the electrical control unit (5).

5. A field irrigation simulation system according to claim 1, characterized in that: The irrigation mechanism (4) includes a solenoid valve (41), a pressure reducing valve (42), a digital pressure gauge (43), an air inlet and exhaust valve (44), a first ball valve (45), and an irrigation device (46). The liquid inlet end of the irrigation device (46) is communicated with the corresponding liquid supply device through the first ball valve (45), the pressure reducing valve (42), and the solenoid valve (41) in sequence. The digital pressure gauge (43) and the air inlet and exhaust valve (44) are both arranged on the liquid path between the irrigation device (46) and the pressure reducing valve (42). The control end of the solenoid valve (41) and the signal output end of the digital pressure gauge (43) are both electrically connected to the electrical control unit (5).

6. The field irrigation simulation system according to claim 5, wherein: The irrigation device (46) is provided with at least one of a micro-sprinkler device, a bubbler device, drip irrigation tape, and a sub-irrigation pipe.

7. The field irrigation simulation system according to claim 1, wherein: The environmental monitoring mechanism (31) is provided with at least one of a light intensity sensor, a temperature sensor, a humidity sensor, an atmospheric pressure sensor, an oxygen sensor, and a carbon dioxide sensor.

8. A field irrigation simulation system according to claim 1, characterized in that: The real-time monitoring mechanism (3) further includes a transfer mechanism (34) for transferring the crop monitoring mechanism (32) and the substrate monitoring mechanism (33). The crop monitoring mechanism (32) and the substrate monitoring mechanism (33) are both installed on the transfer part of the sensor transfer mechanism (34). The monitoring parts of the crop monitoring mechanism (32) and the substrate monitoring mechanism (33) are aligned with the corresponding crop planting workstations under the drive of the transfer mechanism (34).

9. The field irrigation simulation system according to claim 8, characterized in that: The transfer mechanism (34) includes a transfer track (341), a transfer mounting seat (342), a transmission component (343), and a transfer driving device (344). The transfer track (341) extends along the direction in which a plurality of crop planting workstations are arranged, is arranged inside the simulation mechanism (1) and above the corresponding planting mechanism (2). The transfer mounting seat (342) is slidably and limit-mounted on the transfer track (341). The crop monitoring mechanism (32) and the substrate monitoring mechanism (33) are both installed on the transfer mounting seat (342). The output part of the transfer driving device (344) is in transmission connection with the transfer mounting seat (342) through the transmission component (343). The transfer mounting seat (342) drives the monitoring parts of the crop monitoring mechanism (32) and the substrate monitoring mechanism (33) to be aligned with the corresponding crop planting workstations under the drive of the transfer driving device (344).

10. A field irrigation simulation system according to claim 1, characterized in that: It further includes a ventilation mechanism (7), the ventilation mechanism (7) includes a window cover plate (71) and a window opening and closing device (72), a ventilation window (12) is formed at the top of the simulation mechanism (1), the window cover plate (71) is covered on the ventilation window (12), one end of the window cover plate (71) is rotatably and limitably installed at a position on the top of the simulation mechanism (1) close to the ventilation window (12), the output part of the window opening and closing device (72) is in transmission connection with the window cover plate (71), and the window cover plate (71) is flipped under the drive of the window opening and closing device (72) to expose the ventilation window (12). At least one ventilation opening (13) is formed on the simulation mechanism (1), and a ventilation fan (131) is covered and installed on each ventilation opening (13).

Images