Wild mushroom resource recovery cultivation equipment

Abstract

The wild mushroom resource recovery cultivation equipment comprises a hollow base with the upper end and the lower end open, a transparent protection cover is detachably installed at the upper end of the base, a through hole arranged on the outer side of a trunk in a sleeving mode is formed in the middle of the protection cover, a wrapping assembly used for wrapping the trunk is arranged in the through hole, and a fixing assembly is arranged on the protection cover; the protective cover comprises a first shell, a sealing strip and a second shell, the lower ends of the first shell and the second shell are clamped to the base, the first shell and the second shell are in bilateral symmetry and are connected together through the sealing strip, the through holes are formed in the middle of the first shell and the middle of the second shell, and a plurality of water guide rings are arranged at the upper ends in the first shell and the upper end in the second shell. The protective cover protects symbiotic plants, provides an environment with appropriate temperature and humidity for the symbiotic plants and wild mushrooms, can avoid interference of other infectious microbes, prevents damage of insect pests and bird damage to the wild mushrooms, and ensures the yield and quality of the wild mushrooms.

Description

Technical Field

[0001] The invention relates to the technical field of wild mushroom planting equipment, and in particular to a wild mushroom resource recovery and cultivation equipment. Background Art

[0002] With the growing demand for edible and medicinal fungi and the increasing awareness of protecting natural ecosystems, the sustainable use of wild fungi has become a research hotspot. In particular, symbiotic wild fungi, such as truffles and boletus, enjoy a high reputation in the market due to their unique flavor and high nutritional value. However, the natural growth environment of these fungi is affected by many factors, including habitat loss, climate change, and over-collection, resulting in a decrease in their wild resources. Therefore, it is crucial to achieve the resource recovery of wild fungi.

[0003] Symbiotic wild mushrooms are difficult to cultivate. Due to their symbiotic needs, they need to be cultivated together with symbiotic tree seedlings, which not only promotes the growth of edible mushrooms, but also enhances the resistance and growth potential of trees. However, the survival rate of symbiotic tree seedlings cannot be guaranteed after they are planted, which affects the yield of wild mushrooms. Summary of the invention

[0004] The purpose of the present invention is to provide a wild mushroom resource recovery and cultivation device, which protects the rear-end symbiotic seedlings infected by wild mushroom hyphae through a first protective cover, improves the survival rate of the symbiotic seedlings, and can also better protect the grown wild mushrooms.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A wild mushroom resource recovery and cultivation device comprises a base which is hollow inside and opened at both ends, a transparent protective cover is detachably mounted on the upper end of the base, a through hole which is sleeved on the outside of a tree trunk is opened in the middle of the protective cover, a wrapping component for wrapping the tree trunk is arranged in the through hole, and a fixing component used in conjunction with the base is arranged on the protective cover;

[0007] The protective cover includes a first shell, a sealing strip and a second shell, the lower ends of the first shell and the second shell are both snap-connected to the base, the first shell and the second shell are bilaterally symmetrical and connected together by the sealing strip, the through hole is opened in the middle of the first shell and the second shell, a plurality of water inlet holes are evenly opened at the upper ends of the first shell and the second shell, a plurality of water guide rings are provided at the upper ends of the first shell and the second shell, the cross-section of the water guide ring is a right triangle, the long right-angled side of the water guide ring is attached to the first shell, and the lower end of the short right-angled side of the water guide ring is a water outlet point.

[0008] By adopting the above technical solution, the base is fixed on the side of the symbiotic sapling, and then the protective cover is set on the side of the trunk and connected to the base, so that heat preservation and moisture retention can be achieved, providing a suitable living environment for the symbiotic sapling and wild mushrooms. Of course, the protective cover can also protect the wild mushrooms from being contaminated by other bacteria, avoid affecting the growth of the target wild mushrooms, and can prevent insect and bird damage to a certain extent, ensuring the quality of the wild mushrooms.

[0009] The present invention is further configured as follows: the base includes a support ring, an inner bottom plate, an outer bottom plate, an inner baffle ring and a water retention layer, the inner bottom plate is arranged on the inner side of the support ring, the inner baffle ring is arranged on the inner side of the inner bottom plate, the support ring, the inner bottom plate and the inner baffle ring form an annular storage cavity, the outer bottom plate is arranged on the outer side of the support ring, the lower ends of the first shell and the second shell are both provided with a card slot, the card slot can be clamped on the upper end of the support ring, the water retention layer is arranged in the storage cavity, and the water outlet point of the water guide ring is located on the inner side of the inner baffle ring.

[0010] By adopting the above technical solution, the soil will press down the outer bottom to facilitate fixing the base, while the internal storage cavity can store the water-retaining layer, allowing the water-retaining layer to store a certain amount of water, which can then evaporate continuously and then drip to the symbiotic trees through the water guide ring.

[0011] The present invention is further configured as follows: the covering assembly includes a first covering sheet and a second covering sheet, the first covering sheet is provided with two sheets and are respectively provided in the through holes of the first shell and the second shell, the second covering sheet is provided with two sheets and are respectively provided in the through holes of the first shell and the second shell, the second covering sheet is provided at the lower end of the first covering sheet, a plurality of first cutting lines are evenly arranged on the first covering sheet from the axis of the through hole along the radius outward, a plurality of second cutting lines are evenly arranged on the second covering sheet from the axis of the through hole along the radius outward, and the first cutting lines and the second cutting lines are staggered with each other.

[0012] By adopting the above technical solution, the first covering sheet and the second covering sheet can be bent and covered on the peripheral side of the trunk, and the two can cooperate with each other to reduce the gap. Of course, such a covering assembly can be changed as the trunk becomes thicker, and has strong adaptability.

[0013] The present invention is further configured as follows: a clamping ring is provided on the circumferential side of the support ring, the fixing assembly includes a pressing plate, a sealing ring, a water collecting ring, a sleeve ring, a connecting rod and a clamping block, the pressing plate is arranged at the upper end edge of the first shell and the second shell, the sealing ring is arranged at the lower end of the pressing plate, the water collecting ring is arranged at the upper end of the pressing plate, the sleeve ring is arranged on the circumferential side of the upper end of the first shell and the second shell, the connecting rod is provided with a plurality of and is evenly connected to the lower end of the sleeve ring, the clamping block is arranged at the lower end of the connecting rod, and the clamping block can be clamped on the clamping ring.

[0014] By adopting the above technical solution, the pressing plate, sealing ring, water collecting ring and sleeve ring are connected to the clamping ring through the connecting rod and the clamping block, and the first shell and the second shell are pressed on the base to form a detachable fixation, which is simple, convenient and easy to disassemble.

[0015] The present invention is further configured as follows: a through groove is provided at the upper ends of the first shell and the second shell between two adjacent water guide rings, a swivel is rotatably connected inside the pressing plate, an insertion port is provided on the conversion, the insertion port matches the through groove, and when the insertion port is located between the first shell and the second shell, the insertion port is blocked and closed by the first shell and the second shell.

[0016] By adopting the above technical solution, the rotating ring can be rotated to open the insertion port, which is convenient for collecting wild mushrooms and spraying water or wild mushroom spore liquid into the protective cover.

[0017] The present invention is further configured as follows: a mounting block is provided outside the first shell, a control panel is provided on the mounting block, a water pump, a battery and a water tank are provided on the mounting block, one end of the water pump is connected to the water tank, the other end of the water pump is connected to a nozzle, the nozzle is installed on the inner side of the first shell and the second shell, a temperature sensor and a humidity sensor are provided on the inner side of the first shell, and the water pump, the battery, the temperature sensor and the humidity sensor are all electrically connected to the control panel.

[0018] By adopting the above technical solution, the control panel controls the various electronic components to work together, the temperature sensor detects problems inside the protective cover, the humidity sensor detects the humidity inside the protective cover, and the water in the water tank is pumped out by the water pump and sprayed out from the nozzle to facilitate the adjustment of temperature and humidity.

[0019] The present invention is further configured as follows: an air duct connected to the first shell is provided on the mounting block, a fan and a one-way valve are provided in the air duct, and the fan is electrically connected to the control panel.

[0020] By adopting the above technical solution, when the humidity is too high, the moisture in the protective cover is discharged by the fan.

[0021] In summary, the present invention has the following beneficial effects:

[0022] First, the protective cover of the present invention protects the symbiotic plants, provides an environment with suitable temperature and humidity for the symbiotic plants and wild mushrooms, avoids interference from other bacteria, prevents insect pests and bird pests from harming the wild mushrooms, and ensures the yield and quality of the wild mushrooms.

[0023] Secondly, a storage cavity is provided in the base of the present invention for storing the water-retaining layer, which is convenient for subsequent continuous evaporation and drips onto the symbiotic seedlings through the water guide ring to ensure water for the growth of the symbiotic seedlings.

[0024] Thirdly, the covering assembly of the present invention reduces the gap between the through hole and the trunk by bending the first covering sheet and the second covering sheet to cover the trunk, and the first covering sheet and the second covering sheet can change as the trunk becomes thicker.

[0025] Fourthly, the fixing assembly in the present invention can be fixed in the clamping ring through the connecting rod and the clamping block, so as to press and fix the pressing plate, the sealing ring, the water collecting ring and the sleeve ring on the protective cover, so as to fix the first shell and the second shell, which is simple and convenient, and easy to disassemble.

[0026] Fifth, the fixed component in the present invention is provided with a rotating ring for convenient picking of wild mushrooms and watering, and the insertion port can be opened by rotating the rotating ring, which is convenient for operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 is a cross-sectional view of the mounting block of the present invention;

[0029] Figure 3 is a cross-sectional view of a fixed component in the present invention;

[0030] Figure 4 The present invention Figure 3 Enlarged view of point A in the middle.

[0031] In the figure: 1, base; 11, support ring; 12, inner bottom plate; 13, outer bottom plate; 14, inner retaining ring; 15, water retaining layer; 16, storage chamber; 17, snap ring; 2, protective cover; 21, through hole; 22, first shell; 23, sealing strip; 24, second shell; 25, water inlet hole; 26, water guide ring; 27, water outlet point; 28, through groove; 3, covering component; 31, first covering sheet; 32, second covering sheet; 33, first Dividing line; 34, second dividing line; 4, fixing assembly; 41, pressing plate; 42, sealing ring; 43, water collecting ring; 44, collar; 45, connecting rod; 46, clamping block; 47, swivel; 48, insertion port; 5, mounting block; 51, control panel; 52, water pump; 53, battery; 54, water tank; 55, air duct; 56, fan; 57, one-way valve; 6, nozzle; 71, temperature sensor; 72, humidity sensor. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0033] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “front”, “back”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0034] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Embodiment, a wild mushroom resource recovery cultivation equipment, such as Figures 1 to 4 As shown, it includes a base 1 which is hollow inside and open at both ends, and a transparent protective cover 2 is detachably installed on the upper end of the base 1, so as to facilitate observation of the situation inside the protective cover 2. A through hole 21 is provided in the middle of the protective cover 2 and is sleeved on the outside of the trunk, wherein the protective cover 2 includes a first shell 22, a sealing strip 23, and a second shell 24. The lower ends of the first shell 22 and the second shell 24 are both snap-fitted to the base 1, and the first shell 22 and the second shell 24 are bilaterally symmetrical and connected together through the sealing strip 23. The through hole 21 is provided in the middle of the first shell 22 and the second shell 24, and a plurality of water inlet holes 25 are evenly provided at the upper ends of the first shell 22 and the second shell 24. A plurality of water guide rings 26 are provided at the upper ends of the first shell 22 and the second shell 24, and the cross section of the water guide ring 26 is a right triangle, and the long right-angled side of the water guide ring 26 is attached to the first shell 22, and the lower end of the short right-angled side of the water guide ring 26 is a water outlet 27. The first shell 22 and the second shell 24 can be conveniently installed on the left and right sides of the symbiotic seedling, and the sealing strip 23 allows the first shell 22 and the second shell 24 to fit tightly. Since the protective cover 2 is a relatively closed environment, water vapor will adhere to the inner wall of the protective cover 2 after evaporation, and the water guide ring 26 is mainly used to guide water to gather together and drip into the base 1 to water the symbiotic seedling to face the harsh drought environment.

[0037] A wrapping assembly 3 for wrapping a tree trunk is provided in the through hole 21, so that the tree trunk can be well protected and the gap between the tree trunk and the through hole 21 can be reduced, thereby ensuring the stability of the environment in the protective cover 2. In this embodiment, the wrapping assembly 3 includes a first wrapping sheet 31 and a second wrapping sheet 32. The first wrapping sheet 31 has two sheets and is respectively arranged in the through holes 21 of the first shell 22 and the second shell 24. The second wrapping sheet 32 ​​has two sheets and is respectively arranged in the through holes 21 of the first shell 22 and the second shell 24. The second wrapping sheet 32 ​​is arranged at the lower end of the first wrapping sheet 31. A plurality of first dividing lines 33 are uniformly provided on the first wrapping sheet 31 from the axis of the through hole 21 along the radius outward, and a plurality of second dividing lines 34 are uniformly provided on the second wrapping sheet 32 ​​from the axis of the through hole 21 along the radius outward, and the first dividing lines and the second dividing lines 34 are staggered. The first dividing line 33 divides the first covering sheet 31, and the second dividing line divides the second covering sheet 32, so that the first covering sheet 31 and the second covering sheet 32 ​​can be wrapped on the tree trunk to adapt to tree trunks of different thicknesses, and can change as the tree trunk becomes thicker. The first dividing line and the second dividing line 34 are staggered to reduce the gap between them, and cooperate with each other to achieve a good heat preservation and moisture retention effect.

[0038] The base 1 includes a support ring 11, an inner bottom plate 12, an outer bottom plate 13, an inner baffle ring 14 and a water-retaining layer 15. The inner bottom plate 12 is arranged on the inner side of the support ring 11, and the inner baffle ring 14 is arranged on the inner side of the inner bottom plate 12. The support ring 11, the inner bottom plate 12 and the inner baffle ring 14 form an annular storage cavity 16. The outer bottom plate 13 is arranged on the outer side of the support ring 11. The lower ends of the first shell 22 and the second shell 24 are both provided with a slot, which can be clamped on the upper end of the support ring 11. The water-retaining layer 15 is arranged in the storage cavity 16, and the water outlet 27 of the water guide ring 26 is located on the inner side of the inner baffle ring 14. When the base 1 is used, it needs to be buried in the surrounding side of the symbiotic plant, and the soil is pressed on the outer bottom to fix it, and the water-retaining layer 15 is stored in the storage cavity 16 to facilitate subsequent water supply. The water stored in the water-retaining layer 15 can evaporate to the top of the protective cover 2, and then drip onto the symbiotic seedling through the water guide ring 26. The water-retaining layer 15 is a hydrogel crystal. Of course, the water-retaining layer 15 may also be made of other materials.

[0039] A fixing assembly 4 for use with the base 1 is provided on the protective cover 2. A snap ring 17 is provided on the peripheral side of the support ring 11, and the fixing assembly 4 includes a pressing plate 41, a sealing ring 42, a water collecting ring 43, a collar 44, a connecting rod 45 and a clamping block 46. The pressing plate 41 is provided at the upper edge of the first shell 22 and the second shell 24, the sealing ring 42 is provided at the lower end of the pressing plate 41, the water collecting ring 43 is provided at the upper end of the pressing plate 41, the collar 44 is provided on the upper peripheral side of the first shell 22 and the second shell 24, a plurality of connecting rods 45 are provided and are evenly connected to the lower end of the collar 44, and a clamping block 46 is provided at the lower end of the connecting rod 45, and the clamping block 46 can be clamped on the snap ring 17. The fixing assembly 4 is pressed on the upper ends of the first shell 22 and the second shell 24 by the pressing plate 41, the sealing ring 42, the water collecting ring 43 and the sleeve ring 44, and then clamped in the clamping ring 17 by the connecting rod 45 and the clamping block 46, so as to achieve a good fixing effect. The water collecting ring 43 is mainly used to collect rainwater and allow the rainwater to flow into the protective cover 2 from the water inlet.

[0040] A through slot 28 is provided at the upper end of the first shell 22 and the second shell 24 between two adjacent water guide rings 26. A swivel 47 is rotatably connected in the pressing plate 41. An insertion port 48 is provided on the conversion. The insertion port 48 matches the through slot 28. When the insertion port 48 is located between the first shell 22 and the second shell 24, the insertion port 48 is blocked and closed by the first shell 22 and the second shell 24. The position of the insertion port 48 is adjusted by rotating the swivel 47. When the insertion port 48 is adjusted to the through slot 28, it is convenient to collect wild mushrooms, and of course, it is also convenient to water and spray spore liquid. Of course, adjusting the size of the insertion port 48 can also adjust the temperature.

[0041] The first housing 22 is provided with a mounting block 5 outside, a control panel 51 is provided on the mounting block 5, a water pump 52, a battery 53 and a water tank 54 are provided on the mounting block 5, one end of the water pump 52 is connected to the water tank 54, the other end of the water pump 52 is connected to a nozzle 6, the nozzle 6 is installed on the inner side of the first housing 22 and the second housing 24, a temperature sensor 71 and a humidity sensor 72 are provided on the inner side of the first housing 22, the water pump 52, the battery 53, the temperature sensor 71 and the humidity sensor 72 are all electrically connected to the control panel 51. The mounting block 5 is provided with an air duct 55 connected to the first housing 22, a fan 56 and a one-way valve 57 are provided in the air duct 55, and the fan 56 is electrically connected to the control panel 51.

[0042] The control panel 51 can control the various electronic components to work together. The temperature sensor 71 and the humidity sensor 72 are used to detect the temperature and humidity respectively. When the temperature is too high, water can be sprayed by the water pump 52 or the fan 56 can be ventilated. When the humidity is too high, the fan 56 can be ventilated. Of course, when the humidity is too low, water can be sprayed by the water pump 52, which is simple and convenient. Since the symbiotic seedlings are planted together, they can be powered and controlled uniformly, and can be set as needed.

[0043] Usage method: After digging a planting pit, fix the base 1 on the side of the planting pit, then plant the infected symbiotic seedlings in the planting pit, and finally install the protective cover 2 and the fixing assembly 4. When installing the protective cover 2, the first wrapping sheet and the second wrapping sheet 32 ​​are bent upward and wrapped on the tree trunk. Then adjust the control panel 51 to control the temperature and humidity in the protective cover 2.

[0044] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A wild mushroom resource recovery and cultivation device, comprising a base (1) which is hollow inside and has openings at both ends, characterized in that: A transparent protective cover (2) is detachably mounted on the upper end of the base (1); a through hole (21) is provided in the middle of the protective cover (2) and is sleeved on the outside of the tree trunk; a wrapping component (3) for wrapping the tree trunk is provided in the through hole (21); and a fixing component (4) for use with the base (1) is provided on the protective cover (2); The protective cover (2) comprises a first shell (22), a sealing strip (23) and a second shell (24); the lower ends of the first shell (22) and the second shell (24) are both snap-connected to the base (1); the first shell (22) and the second shell (24) are bilaterally symmetrical and connected together through the sealing strip (23); the through hole (21) is provided in the middle of the first shell (22) and the second shell (24); the upper ends of the first shell (22) and the second shell (24) are evenly provided with a plurality of water inlet holes (25); the upper ends of the first shell (22) and the second shell (24) are both provided with a plurality of water guide rings (26); the cross section of the water guide ring (26) is a right triangle; the long right-angled side of the water guide ring (26) is in contact with the first shell (22); and the lower end of the short right-angled side of the water guide ring (26) is a water outlet point (27).

2. The wild mushroom resource recovery and cultivation equipment according to claim 1 is characterized by: The base (1) comprises a support ring (11), an inner bottom plate (12), an outer bottom plate (13), an inner retaining ring (14) and a water retaining layer (15); the inner bottom plate (12) is arranged on the inner side of the support ring (11); the inner retaining ring (14) is arranged on the inner side of the inner bottom plate (12); the support ring (11), the inner bottom plate (12) and the inner retaining ring (14) form an annular storage cavity (16); the outer bottom plate (13) is arranged on the outer side of the support ring (11); the lower ends of the first shell (22) and the second shell (24) are both provided with a clamping groove, and the clamping groove can be clamped on the upper end of the support ring (11); the water retaining layer (15) is arranged in the storage cavity (16); and the water outlet point (27) of the water guide ring (26) is located on the inner side of the inner retaining ring (14).

3. The wild mushroom resource recovery cultivation equipment according to claim 2 is characterized by: The covering component (3) comprises a first covering sheet (31) and a second covering sheet (32); the first covering sheet (31) is provided with two sheets and is respectively provided in the through holes (21) of the first shell (22) and the second shell (24); the second covering sheet (32) is provided with two sheets and is respectively provided in the through holes (21) of the first shell (22) and the second shell (24); the second covering sheet (32) is provided at the lower end of the first covering sheet (31); a plurality of first dividing lines (33) are uniformly provided on the first covering sheet (31) from the axis of the through hole (21) along the radius outward; a plurality of second dividing lines (34) are uniformly provided on the second covering sheet (32) from the axis of the through hole (21) along the radius outward; the first dividing lines and the second dividing lines (34) are staggered with each other.

4. The wild mushroom resource recovery cultivation equipment according to claim 3 is characterized by: A snap ring (17) is provided on the circumferential side of the support ring (11); the fixing assembly (4) comprises a pressing plate (41), a sealing ring (42), a water collecting ring (43), a sleeve ring (44), a connecting rod (45) and a clamping block (46); the pressing plate (41) is provided at the upper edge of the first shell (22) and the second shell (24); the sealing ring (42) is provided at the lower end of the pressing plate (41); the water collecting ring (43) is provided at the upper end of the pressing plate (41); the sleeve ring (44) is provided on the circumferential side of the upper end of the first shell (22) and the second shell (24); a plurality of connecting rods (45) are provided and are evenly connected to the lower end of the sleeve ring (44); the clamping block (46) is provided at the lower end of the connecting rod (45); and the clamping block (46) can be clamped on the snap ring (17).

5. The wild mushroom resource recovery and cultivation equipment according to claim 4 is characterized by: A through groove (28) is provided at the upper ends of the first shell (22) and the second shell (24) between two adjacent water guide rings (26); a rotating ring (47) is rotatably connected inside the pressing plate (41); an insertion port (48) is provided on the conversion, and the insertion port (48) matches the through groove (28); when the insertion port (48) is located between the first shell (22) and the second shell (24), the insertion port (48) is blocked and closed by the first shell (22) and the second shell (24).

6. The wild mushroom resource recovery and cultivation equipment according to claim 5 is characterized by: A mounting block (5) is provided outside the first shell (22), a control panel (51) is provided on the mounting block (5), a water pump (52), a storage battery (53) and a water tank (54) are provided on the mounting block (5), one end of the water pump (52) is connected to the water tank (54), the other end of the water pump (52) is connected to a nozzle (6), the nozzle (6) is installed on the inner side of the first shell (22) and the second shell (24), a temperature sensor (71) and a humidity sensor (72) are provided on the inner side of the first shell (22), and the water pump (52), the storage battery (53), the temperature sensor (71) and the humidity sensor (72) are all electrically connected to the control panel (51).

7. The wild mushroom resource recovery and cultivation equipment according to claim 6 is characterized by: The mounting block (5) is provided with an air duct (55) connected to the first shell (22), the air duct (55) is provided with a fan (56) and a one-way valve (57), and the fan (56) is electrically connected to the control panel (51).

Images