Outdoor unit, and heating, ventilation, and air conditioning device

Abstract

Disclosed in embodiments of the present application are an outdoor unit, and a heating, ventilation, and air conditioning device. The outdoor unit comprises: a housing, the housing being internally provided with an accommodating cavity; a partition member, provided in the accommodating cavity, so as to divide the accommodating cavity into a fan cavity and a compressor cavity; a circuit board, the circuit board being provided in the compressor cavity and connected to the partition member, and the housing being further provided with a first ventilation opening in communication with the compressor cavity; and a first filter screen, the first filter screen covering the first ventilation opening.

Description

Outdoor unit and heating and ventilation equipment

[0001] Related applications

[0002] The present application claims priority to the following Chinese patent application:

[0003] Application No. 2024220015668, filed on August 16, 2024, and entitled "Outdoor unit and heating and ventilation equipment";

[0004] The entire contents of which are hereby incorporated by reference. TECHNICAL FIELD

[0005] The present application relates to the technical field of household appliances, and in particular to an outdoor unit and a heating and ventilation equipment. BACKGROUND

[0006] During use of the heating and ventilation equipment, the circuit board of the control host generates a certain amount of heat during operation. At the same time, mosquitoes and other insects will like to enter the installation space of the circuit board to keep warm. Therefore, when installing the circuit board, not only ventilation and heat dissipation need to be considered, but also insect prevention design needs to be considered.

[0007] In related technologies, the circuit board is arranged in a circuit box, and the circuit box is installed in the internal space of the outdoor unit. The circuit box can complete heat dissipation and insect prevention of the circuit board. However, the structure of the circuit box is complex, and the circuit box also increases the cost of the entire machine, thereby causing the assembly process of the entire machine to be complex and the cost to be high. SUMMARY

[0008] The present application provides an outdoor unit and a heating and ventilation equipment, which aims to solve the problems of complex assembly process and high cost of the entire machine caused by the setting of the circuit box.

[0009] In a first aspect, the present application provides an outdoor unit, which comprises: a machine shell, an internal part of the machine shell having a containing cavity; a partition piece arranged in the containing cavity to separate the containing cavity into a fan cavity and a compressor cavity; a circuit board arranged in the compressor cavity and connected with the partition piece, the machine shell further being provided with a first ventilation opening in communication with the compressor cavity; and a first filter screen covering the first ventilation opening.

[0010] The outdoor unit of the present application directly sets the circuit board in the compressor cavity and fixedly connects the circuit board to the partition, so that an additional circuit box for heat dissipation and insect prevention of the circuit board is not necessary. In other words, the compressor cavity functions as the circuit box for protecting the circuit board in the related art. Further, the casing is further provided with a first ventilation opening in communication with the compressor cavity, and the first filter screen covers the first ventilation opening. The heat of the circuit board can be dissipated to the outside through the first ventilation opening, and the first filter screen can prevent insects from entering the compressor cavity through the first ventilation opening, so that the compressor cavity can also complete the heat dissipation and insect prevention of the circuit board. In this way, the heat dissipation and insect prevention of the circuit board can be ensured, and the cost of the whole machine and the assembly process of the whole machine can be reduced.

[0011] In some embodiments, the outdoor unit further comprises a second filter screen, and the casing is further provided with a second ventilation opening in communication with the compressor cavity, and the second filter screen covers the second ventilation opening.

[0012] In some embodiments, the first ventilation opening and the second ventilation opening are both located on the side of the partition close to the compressor cavity, the first ventilation opening is located on the upper surface of the casing, and the second ventilation opening is located on the side wall of the casing.

[0013] In some embodiments, the first ventilation opening is located on the side of the partition close to the fan cavity, the second ventilation opening is located on the side of the partition close to the compressor cavity, the first ventilation opening is located on the upper surface of the casing, and the second ventilation opening is located on the side wall of the casing, and the first ventilation opening is also in communication with the fan cavity.

[0014] In some embodiments, the first ventilation opening is located on the side of the partition close to the fan cavity and is provided on the upper surface of the casing.

[0015] The partition comprises a main body portion and a first flange connected to the main body portion, the first flange is bent towards the side of the main body portion close to the fan cavity to form a gap on the top of the main body portion, and the compressor cavity is in communication with the first ventilation opening through the gap.

[0016] In some embodiments, the first filter screen comprises a first filter portion, a second filter portion and a mounting portion, the first filter portion covers the first ventilation opening, the mounting portion is fixedly connected to the first flange, and one end of the second filter portion is connected to the first filter portion and the other end is connected to the mounting portion.

[0017] In some embodiments, the outdoor unit further comprises a duct partition plate arranged in the fan cavity, the duct partition plate comprising a first sub-plate and a second sub-plate, the first sub-plate being arranged opposite to the first flange, the first sub-plate being provided with a first opening, one end of the second sub-plate being connected to the first sub-plate, and the other end being connected to the top of the shell, the first sub-plate, the second sub-plate and the first flange forming a duct, one end of the duct being in communication with the first vent, and the other end being in communication with the first opening.

[0018] In some embodiments, the first filter screen has a plurality of first mesh holes, and in any one of the first mesh holes, the distance between any two points on the edge of the first mesh hole is less than or equal to 5 mm.

[0019] In some embodiments, the second filter screen has a plurality of second mesh holes, and in any one of the second mesh holes, the distance between any two points on the edge of the second mesh hole is less than or equal to 5 mm.

[0020] In some embodiments, the shell comprises a bottom plate and a top cover, the top of the partition is connected to the top cover, and the bottom of the partition is connected to the bottom plate, the bottom plate is further provided with a plurality of first grooves, each first groove and the partition form a water passage.

[0021] The outdoor unit further comprises a plurality of sealing members connected to the partition, each sealing member being arranged between the first groove and the partition, the sealing member abutting against the first groove, and the side surface of the sealing member close to the first groove being provided with at least one second groove.

[0022] In some embodiments, each second groove and the first groove form a third mesh hole, and in any one of the third mesh holes, the distance between any two points on the edge of the third mesh hole is less than or equal to 5 mm.

[0023] In some embodiments, the bottom of the partition is provided with a second flange, and the partition is connected to the bottom plate through the second flange.

[0024] The sealing member comprises a clamping portion, a water passing portion, and a blocking portion connecting the clamping portion and the water passing portion, the clamping portion is provided with a clamping groove, the clamping portion is connected to the second flange through the clamping groove, the water passing portion abuts against the first groove, and the second groove is arranged on the side surface of the water passing portion close to the first groove.

[0025] In some embodiments, the outdoor unit further comprises a fan, a first heat exchanger and a compressor, the fan and the first heat exchanger are arranged in the fan cavity, and an air outlet opposite to the fan is arranged on the casing of the fan cavity, and the compressor is arranged in the compressor cavity.

[0026] The outdoor unit further comprises a second heat exchanger, and the second heat exchanger is arranged in the compressor cavity.

[0027] In a second aspect, the present application provides a heating and ventilation device comprising the outdoor unit of the first aspect. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0029] Fig. 1 is a top view structural schematic diagram of an outdoor unit according to an embodiment of the present application;

[0030] Fig. 2 is a cross-sectional structural schematic diagram of an outdoor unit according to an embodiment of the present application;

[0031] Fig. 3 is an enlarged structural schematic diagram of M in Fig. 2;

[0032] Fig. 4 is a cross-sectional structural schematic diagram of A-A in Fig. 2;

[0033] Fig. 5 is a cross-sectional structural schematic diagram of an outdoor unit according to another embodiment of the present application;

[0034] Fig. 6 is a cross-sectional structural schematic diagram of B-B in Fig. 5;

[0035] Fig. 7 is an enlarged structural schematic diagram of N in Fig. 5;

[0036] Fig. 8 is a structural schematic diagram of a sealing member according to an embodiment of the present application.

[0037] Explanation of reference signs:

[0038] 10 - outdoor unit;

[0039] 100 - casing, 101 - containing cavity, 1011 - fan cavity, 1012 - compressor cavity, 102 - first vent, 103 - second vent, 110 - bottom plate, 111 - first groove, 120 - top cover, 130 - water passage;

[0040] 200 - partition, 210 - body portion, 220 - first flange, 230 - notch, 240 - second flange

[0041] 300 - circuit board, 310 - heat sink

[0042] 400 - first filter screen, 401 - first mesh, 410 - first filter portion, 420 - second filter portion, 430 - mounting portion

[0043] 500 - second filter screen, 501 - second mesh

[0044] 600 - air duct partition, 601 - air duct, 610 - first sub-plate, 611 - first opening, 620 - second sub-plate

[0045] 700 - fan, 701 - air outlet, 710 - first heat exchanger, 720 - second heat exchanger, 800 - compressor

[0046] 900 - sealing member, 901 - second groove, 9011 - third mesh, 910 - clamping portion, 911 - clamping groove 911, 920 - water passing portion, 930 - blocking portion, 911 - clamping groove

[0047] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. Embodiments of the present application

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0049] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0050] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0051] In this application, unless specifically defined otherwise, the terms "connected", "fixed", and the like should be construed broadly and do not necessarily mean fixedly connected, but can mean removably connected, or integrally connected, or mechanically connected, or electrically connected, or directly connected, or indirectly connected via an intermediate medium, or internal communication between two elements, or interaction relationship between two elements, unless specifically defined otherwise. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0052] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection required by the present application.

[0053] In the related art, the circuit board is arranged in the circuit box, and the circuit box is installed in the indoor space of the outdoor unit. The circuit box can complete heat dissipation and insect prevention of the circuit board. However, the structure of the circuit box is complex, and the circuit box also increases the cost of the whole machine, thereby causing the assembly process of the whole machine to be complex and the cost to be high.

[0054] Therefore, the embodiments of the present application propose an outdoor unit and a heating and ventilation equipment, so as to reduce the cost of the whole machine and simplify the assembly process while achieving heat dissipation and insect prevention of the circuit board.

[0055] In a first aspect, the present application proposes an outdoor unit 10. As shown in FIGS. 1-3, the outdoor unit 10 includes a casing 100, a partition 200, a circuit board 300, and a first filter screen 400. The casing 100 has an accommodating cavity 101 inside, and the partition 200 is arranged in the accommodating cavity 101 to divide the accommodating cavity 101 into a fan cavity 1011 and a compressor cavity 1012. The circuit board 300 is arranged in the compressor cavity 1012 and connected with the partition 200, and the casing 100 is also provided with a first ventilation opening 102 communicating with the compressor cavity 1012, and the first filter screen 400 covers the first ventilation opening 102.

[0056] In the present application, the outdoor unit 10 comprises a casing 100, a partition 200, a circuit board 300 and a first filter screen 400. The casing 100 is a housing of the outdoor unit 10, which is usually composed of a bottom plate 110, a top cover 120 and a plurality of side plates connecting the bottom plate 110 and the top cover. The partition 200 is arranged in a receiving cavity 101 of the casing 100, thereby separating the receiving cavity 101 into a fan cavity 1011 and a compressor cavity 1012. The fan cavity 1011 refers to a chamber arranged to mount the fan 700, and the compressor cavity 1012 refers to a chamber arranged to mount the compressor. The circuit board 300 is an electrical control board or main board of the outdoor unit 10 or a heating and ventilation device comprising the outdoor unit 10, which is arranged to control the operation of the whole system. The circuit board 300 comprises a main board body and a plurality of electrical elements arranged on the main board body.

[0057] The outdoor unit 10 of the present application directly arranges the circuit board 300 in the compressor cavity 1012 and fixedly connects the circuit board 300 to the partition 200, thereby not needing to additionally arrange a circuit box for heat dissipation and insect prevention of the circuit board 300. In other words, the compressor cavity 1012 functions as the circuit box of the circuit board 300 in the related art. Further, the casing 100 is further provided with a first ventilation opening 102 communicating with the compressor cavity 1012, and the first filter screen 400 covers the first ventilation opening 102. The heat of the circuit board 300 can be dissipated to the outside through the first ventilation opening 102, and meanwhile the first filter screen 400 can prevent insects from entering the compressor cavity 1012 through the first ventilation opening 102, thereby enabling the compressor cavity 1012 to also complete the heat dissipation and insect prevention of the circuit board 300. In this way, the heat dissipation and insect prevention of the circuit board 300 can be ensured while reducing the cost of the whole machine and simplifying the assembly process of the whole machine.

[0058] It should be noted that the casing 100 of the outdoor unit 10 is of a split type structure, and therefore there will be an assembly gap between different components of the casing 100 when the casing 100 is assembled, which can serve as an air inlet, thereby forming a convection heat dissipation with the first ventilation opening 102, and thereby further improving the heat dissipation effect of the compressor cavity 1012 on the circuit board 300, and meanwhile the assembly gap is generally not too large and can also prevent insects from entering.

[0059] Of course, other ways can also be used to improve the heat dissipation effect of the compressor cavity 1012 on the circuit board 300. For example, in some embodiments, as shown in FIG. 2, the outdoor unit 10 further comprises a second filter screen 500, and the casing 100 is further provided with a second ventilation opening 103 in communication with the compressor cavity 1012, and the second filter screen 500 covers the second ventilation opening 103. That is, in the present embodiment, the second ventilation opening 103 is formed in a countercurrent heat dissipation manner with the first ventilation opening 102 by additionally providing the second ventilation opening 103 in communication with the compressor cavity 1012 on the casing 100, thereby further improving the heat dissipation effect of the compressor cavity 1012 on the circuit board 300, and meanwhile, the second ventilation opening 103 is covered by the second filter screen 500, which can also prevent mosquitoes from entering, thereby further improving the mosquito-proof effect on the circuit board 300.

[0060] Alternatively, the first filter screen 400 can cover the first ventilation opening 102 by welding, detachable connection or the like, and the second filter screen 500 can cover the second ventilation opening 103 by welding, detachable connection or the like, which are not limited in the present application.

[0061] Alternatively, in some embodiments, as shown in FIG. 2, the outdoor unit 10 further comprises a heat sink 310 for dissipating heat from the circuit board 300, and the heat sink 310 is arranged in the fan cavity 1011 and connected to the back surface of the circuit board 300. By arranging the heat sink 310, the heat dissipation effect on the circuit board 300 can be further improved.

[0062] Alternatively, the heat sink 310 can be assembled by a plurality of heat dissipation fins.

[0063] Alternatively, the heat sink 310 is further connected to the partition 200 to improve the reliability of the connection of the heat sink 310.

[0064] In some embodiments, the first ventilation opening 102 and the second ventilation opening 103 are both located on the side of the partition 200 close to the compressor cavity 1012, the first ventilation opening 102 is located on the upper surface of the casing 100, and the second ventilation opening 103 is located on the side wall of the casing 100. Since the heat of the circuit board 300 will heat the air, and the hot air will rise. In the present embodiment, the first ventilation opening 102 is arranged on the upper surface of the casing 100, so that the hot air is more smoothly discharged from the outdoor unit, and the hot air is prevented from flowing back. The second ventilation opening 103 is arranged on the side wall of the casing 100, and the position of the side wall is relatively low, so that the second ventilation opening 103 is more likely to suck in the air in the surrounding environment. Therefore, the heat dissipation effect of the countercurrent heat dissipation can be further improved. In addition, the first ventilation opening 102 and the second ventilation opening 103 are both located on the side of the partition 200 close to the compressor cavity 1012, so that the first ventilation opening 102 and the second ventilation opening 103 can directly communicate with the compressor cavity 1012.

[0065] In some embodiments, as shown in FIGS. 2 and 3, the first vent 102 is located on one side of the partition 200 close to the fan cavity 1011, the second vent 103 is located on one side of the partition 200 close to the compressor cavity 1012, the first vent 102 is located on the upper surface of the casing 100, and the second vent 103 is located on the side wall of the casing 100. The first vent 102 is further in communication with the fan cavity 1011.

[0066] In the present embodiment, the first vent 102 is located on the upper surface of the casing 100, and the second vent 103 is located on the side wall of the casing 100, which is conducive to improving the heat dissipation effect of the convection cooling. Further, the first vent 102 is located on one side of the partition 200 close to the fan cavity 1011, and the first vent 102 is further in communication with the fan cavity 1011. That is, the first vent 102 is in communication with both the compressor cavity 1012 and the fan cavity 1011, and the first vent 102, the fan cavity 1011 and the compressor cavity 1012 are all in a state of communication. The reason for such arrangement is that, first, the fan 700 will be arranged in the fan cavity 1011, and the fan 700 will actively blow air, and then blow the air out through the air outlet 701 of the fan cavity 1011, which will form a negative pressure area in the fan cavity 1011. By setting the first vent 102, the fan cavity 1011 and the compressor cavity 1012 in a state of communication, the hot air in the compressor cavity 1012 is affected by the negative pressure and enters the fan cavity 1011, so that the hot air is discharged through the air outlet of the fan cavity 1011. That is, forced convection of hot air from the compressor cavity 1012 to the fan cavity 1011 can be formed, which is conducive to further improving the heat dissipation effect on the circuit board 300. Second, the first vent 102 is located on one side of the partition 200 close to the fan cavity 1011, so that the first vent 102 does not directly face the circuit board 300. When it rains, the external rainwater will not directly fall on the circuit board 300 through the first vent 102, which is also conducive to improving the waterproof effect of the circuit board 300.

[0067] In some embodiments, as shown in FIGS. 2 to 4, the first vent 102 is located on one side of the partition 200 close to the fan cavity 1011 and is arranged on the upper surface of the casing 100, and the partition 200 comprises a main body portion 210 and a first flange 220 connected to the main body portion 210. The first flange 220 is bent towards one side of the main body portion 210 close to the fan cavity 1011 to form a gap 230 on the top of the main body portion 210, and the compressor cavity 1012 is in communication with the first vent 102 through the gap 230.

[0068] In the embodiment, the first vent 102 is located at the side of the partition 200 close to the fan cavity 1011. That is, the first vent 102 directly communicates with the fan cavity 1011. In this case, the communication between the first vent 102 and the compressor cavity 1012 also needs to be realized. Specifically, the partition 200 is designed in the embodiment. The main body 210 of the partition 200 is arranged to be fixedly connected with the casing 100, and the first flange 220 is bent towards the side of the main body 210 close to the fan cavity 1011 to form a gap 230 at the top of the main body 210. The gap 230 is the communication passage between the first vent 102 and the compressor cavity 1012. Through this design, the fixed connection between the top of the partition 200 and the casing 100 is realized, and the communication between the first vent 102 and the compressor cavity 1012 is also realized.

[0069] It should be noted that in the embodiment, the first flange 220 is formed by bending a part of the partition 200, and the shape of the first flange 220 is consistent with the shape of the gap 230. Of course, in other embodiments, the first flange 220 can also be a separate component installed on the partition 200, and the present application does not limit this.

[0070] In some embodiments, as shown in FIGS. 2 to 4, the first filter screen 400 includes a first filter part 410, a second filter part 420, and a mounting part 430, the first filter part 410 is fixedly connected with the first vent 102, the mounting part 430 is fixedly connected with the first flange 220, one end of the second filter part 420 is connected with the first filter part 410, and the other end is connected with the mounting part 430.

[0071] The embodiment further proposes the structure of the first filter screen 400. The first filter part 410 can play a role in preventing insects for the first vent 102, and the second filter part 420 can play a role in preventing insects for the communication passage between the compressor cavity 1012 and the fan cavity 1011, thereby being conducive to improving the insect prevention effect on the circuit board 300. At the same time, the first filter part 410 covers the first vent 102 and is fixedly connected with the first vent 102, and the mounting part 430 is fixedly connected with the first flange 220, thereby realizing the fixation and connection of the first filter screen 400, and being conducive to improving the convenience of installation of the first filter screen 400.

[0072] In some embodiments, as shown in FIGS. 2-4, the outdoor unit 10 further comprises a duct partition 600 disposed in the fan cavity 1011, the duct partition 600 comprising a first sub-plate 610 and a second sub-plate 620, the first sub-plate 610 being disposed opposite the first flange 220, the first sub-plate 610 being provided with a first opening 611, one end of the second sub-plate 620 being connected to the first sub-plate 610 and the other end being connected to the top of the casing 100, the first sub-plate 610, the second sub-plate 620 and the first flange 220 forming a duct 601, one end of the duct 601 being in communication with the first vent 102 and the other end being in communication with the first opening 611.

[0073] In the present embodiment, the duct partition 600 is further disposed in the fan cavity 1011, and the duct partition 600 and the first flange 220 form the duct 601 from the fan cavity 1011 to the first vent 102. The duct 601 is in a meandering shape, and the duct 601 is also in communication with the compressor cavity 1012. When it is raining, under the structure of the labyrinthine duct, the water droplets thrown by the fan 700 are difficult to enter the compressor cavity 1012 through the duct 601, thereby further improving the waterproof effect on the circuit board 300.

[0074] In some embodiments, the first filter screen 400 has a plurality of first screen holes 401, and in any first screen hole 401, the distance between any two points on the edge of the first screen hole 401 is less than or equal to 5 mm. In this way, the blocking effect of the first screen hole 401 on mosquitoes is improved, thereby facilitating the reduction of the probability of mosquitoes entering the compressor cavity 1012, and further facilitating the improvement of the anti-mosquito effect on the circuit board 300.

[0075] It should be noted that the distance between any two points on the edge of the first screen hole 401 being less than or equal to 5 mm means that the length of the connecting line segment between any two different points on the edge of the first screen hole 401 is less than or equal to 5 mm. For example, a first screen hole is a square, and the diagonal of the square is the longest line segment in the square, as long as the diagonal of the square is less than or equal to 5 mm, the distance between any two points on the edge of the first screen hole can meet the requirement that the distance between any two points on the edge of the first screen hole is less than or equal to 5 mm.

[0076] In some embodiments, the second filter screen 500 has a plurality of second screen holes 501, and in any second screen hole 501, the distance between any two points on the edge of the second screen hole 501 is less than or equal to 5 mm. In this way, the blocking effect of the second screen hole 501 on mosquitoes is improved, thereby facilitating the reduction of the probability of mosquitoes entering the compressor cavity 1012, and further facilitating the improvement of the anti-mosquito effect on the circuit board 300.

[0077] In some embodiments, as shown in FIG. 2 and FIG. 4, the shell 100 comprises a bottom plate 110 and a top cover 120, the top of the partition 200 is connected with the top cover 120, the bottom of the partition 200 is connected with the bottom plate 110, and the bottom plate 110 is further provided with a plurality of first grooves 111, each of which forms a water passage 130 together with the partition 200.

[0078] In the embodiment, the shell 100 comprises a bottom plate 110 and a top cover 120, and it is easy to understand that the shell 100 further comprises a plurality of side plates connecting the bottom plate 110 and the top cover 120. The top of the partition 200 is connected with the top cover 120, and the bottom of the partition 200 is connected with the bottom plate 110. Thus, the partition 200 is fixedly installed in the accommodating cavity 101. Since a small amount of condensate water is generated when the outdoor unit 10 is working, the condensate water needs to be discharged through the drain port at the bottom of the fan cavity 1011. Therefore, the embodiment is further provided with a plurality of first grooves 111 on the bottom plate 110, each of which forms a water passage 130 together with the partition 200. Through the water passage 130, the condensate water in the compressor cavity 1012 can be discharged into the fan cavity 1011, and then discharged through the drain port in the fan cavity 1011.

[0079] Since the water passage 130 generally has a large area, external mosquitoes can easily enter the compressor cavity 1012 through the water passage 130. Therefore, in some embodiments, as shown in FIG. 5 to FIG. 8, the outdoor unit 10 further comprises a plurality of sealing members 900 connected with the partition 200, each of which is arranged between the first groove 111 and the partition 200, abuts against the first groove 111, and is provided with at least one second groove 901 on the side surface close to the first groove 111. In this way, on the one hand, a part of the sealing member 900 can block the water passage 130, so as to prevent mosquitoes from entering the compressor cavity 1012 through the water passage 130. On the other hand, since the sealing member 900 abuts against the first groove 111, the second groove 901 of the sealing member 900 and the first groove 111 of the bottom plate 110 re-form a new small water passage (third mesh 9011), which can not only allow the condensate water to pass through, but also has a certain anti-mosquito effect. Thus, it is beneficial to further improve the anti-insect effect on the circuit board 300.

[0080] It is easy to understand that, since the second groove 901 and the first groove 111 of the bottom plate 110 re-form a new small water passage, without considering the elastic deformation of the sealing member 900, the shape of the surface of the sealing member 900 close to the first groove 111 is substantially the same as that of the inner surface of the first groove 111.

[0081] In some embodiments, each second groove 901 and the first groove 111 form a third mesh hole 9011, and the distance between any two points on the edge of the third mesh hole 9011 is less than or equal to 5 mm. In this way, the third mesh hole 9011 formed by the second groove 901 of the sealing piece 900 and the first groove 111 of the bottom plate 110 further improves the blocking ability of mosquitoes, thereby further improving the anti-insect effect on the circuit board 300.

[0082] It should be noted that the thickness of the sealing piece 900 is much greater than the thickness of the first filter screen 400 and the thickness of the second filter screen 500, so that the third mesh hole 9011 formed also has a certain thickness. In this way, in the above-mentioned embodiments, the two points on the edge of the third mesh hole 9011 refer to any two points on the edge of the third mesh hole 9011 in the cross section of the third mesh hole 9011 with respect to the plane perpendicular to the thickness direction of the partition piece 200.

[0083] In some embodiments, as shown in FIGS. 7 and 8, the bottom of the partition piece 200 is provided with a second flange 240, the partition piece 200 is connected with the bottom plate 110 through the second flange 240, the sealing piece 900 includes a clamping portion 910, a water passing portion 920, and a blocking portion 930 connecting the clamping portion 910 and the water passing portion 920, the clamping portion 910 is provided with a clamping groove 911, the clamping portion 910 is clamped to the second flange 240 through the clamping groove 911, the water passing portion 920 abuts against the first groove 111, and the second groove 901 is arranged on the side surface of the water passing portion 920 close to the first groove 111.

[0084] In this embodiment, the partition piece 200 is connected with the bottom plate 110 through the second flange 240, thereby improving the convenience of the connection between the two. Further, the sealing piece 900 includes the clamping portion 910, the water passing portion 920, and the blocking portion 930. The clamping portion 910 is clamped to the second flange 240 through the clamping groove 911, so that the fixation of the sealing piece 900 can be realized. When the partition piece 200 is connected with the bottom plate 110, the sealing piece 900 is clamped between the first groove 111 and the second flange 240. The blocking portion 930 of the sealing piece 900 can block most of the water passing hole 130 formed by the first groove 111 of the bottom plate 110 and the partition piece 200, and the water passing portion 920 can block a small part of the water passing hole 130. The second groove 901 of the sealing piece 900 is formed on the side surface of the water passing portion 920 close to the first groove 111. In this way, the second groove 901 of the water passing portion 920 and the first groove 111 re-form the third mesh hole 9011 which simultaneously plays the roles of water passing and anti-insect. Therefore, it is beneficial to further improve the anti-insect effect on the circuit board 300 while ensuring drainage.

[0085] In some embodiments, as shown in FIG. 2 and FIG. 5, the outdoor unit 10 further comprises a fan 700, a first heat exchanger 710 and a compressor 800, the fan 700 and the first heat exchanger 710 are arranged in the fan cavity 1011, and the compressor 800 is arranged in the compressor cavity 1012. In this way, the fan 700 and the compressor 800 are designed in separate cavities, and the fan 700 can also dissipate heat for the first heat exchanger 710. Further, the casing 100 located in the fan cavity 1011 is further provided with an air outlet 701 opposite to the fan 700, the air outlet 701 is different from the first vent, and the air outlet 701 is configured to blow the air stirred by the fan 700.

[0086] Further, as shown in FIG. 2 and FIG. 5, the outdoor unit 10 further comprises a second heat exchanger 720, and the second heat exchanger 720 is arranged in the compressor cavity 1012. Since the first heat exchanger 710 and the second heat exchanger 720 are arranged in the casing 100 at the same time, in this case, the outdoor unit 10 can be regarded as an all-in-one machine. In this way, it is beneficial to realize the miniaturization of the heating and ventilation equipment.

[0087] In the second aspect, the present application provides a heating and ventilation equipment comprising the outdoor unit 10 of the first aspect. The heating and ventilation equipment can be an air conditioner, a heat pump, etc. The heating and ventilation equipment of the embodiments of the present application uses the outdoor unit 10 of the first aspect. The outdoor unit 10 directly arranges the circuit board 300 in the compressor cavity 1012 and fixedly connects the circuit board 300 to the partition 200, so that it is not necessary to additionally arrange a circuit box for dissipating heat and preventing insects for the circuit board 300. In other words, the compressor cavity 1012 acts as the circuit box of the circuit board 300 in the related art. Further, the casing 100 is further provided with the first vent 102 communicating with the compressor cavity 1012, and the first filter screen 400 covers the first vent 102. The heat of the circuit board 300 can be dissipated to the outside through the first vent 102, and at the same time, the first filter screen 400 can prevent insects from entering the compressor cavity 1012 through the first vent 102, so that the compressor cavity 1012 can also complete the heat dissipation and insect prevention for the circuit board 300. In this way, the heat dissipation and insect prevention for the circuit board 300 can be ensured, and at the same time, the cost of the whole machine can be reduced and the assembly process of the whole machine can be simplified.

[0088] In the drawings of the embodiments of the present application, the same or similar reference numerals correspond to the same or similar components; in the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the position relationship in the drawings are only exemplary and cannot be understood as a limitation of the present application, and for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0089] The above merely provides the preferred embodiment of the present application, and not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall fall in the protected scope of the present application.

Claims

1. An outdoor unit, comprising: The outdoor unit comprises: a casing, an internal space of the casing having a receiving cavity; a partition arranged in the receiving cavity to divide the receiving cavity into a fan cavity and a compressor cavity; a circuit board arranged in the compressor cavity and connected with the partition, the casing further having a first air vent communicating with the compressor cavity; and a first filter screen covering the first air vent. The outdoor unit further comprises a second filter screen, the casing further having a second air vent communicating with the compressor cavity, and the second filter screen covering the second air vent.

2. The outdoor unit of claim 1, wherein, The first air vent and the second air vent are both located on a side of the partition close to the compressor cavity, the first air vent is located on an upper surface of the casing, and the second air vent is located on a side wall of the casing.

3. The outdoor unit of claim 2, wherein, The first air vent is located on a side of the partition close to the fan cavity, the second air vent is located on a side of the partition close to the compressor cavity, the first air vent is located on an upper surface of the casing, and the second air vent is located on a side wall of the casing, and the first air vent further communicates with the fan cavity.

4. The outdoor unit of claim 2, wherein, The first air vent is located on a side of the partition close to the fan cavity and is arranged on an upper surface of the casing.

5. The outdoor unit according to any one of claims 1-4, wherein, The partition comprises a main body and a first flange connected with the main body, the first flange is bent towards a side of the main body close to the fan cavity to form a gap on a top of the main body, and the compressor cavity communicates with the first air vent through the gap. The first filter screen comprises a first filter part, a second filter part, and a mounting part, the first filter part covers the first air vent, the mounting part is fixedly connected with the first flange, and one end of the second filter part is connected with the first filter part and the other end is connected with the mounting part.

6. The outdoor unit of claim 5, wherein, The outdoor unit further comprises an air duct partition arranged in the fan cavity, the air duct partition comprises a first sub-plate and a second sub-plate, the first sub-plate is arranged opposite to the first flange, the first sub-plate is provided with a first opening, one end of the second sub-plate is connected with the first sub-plate and the other end is connected with a top of the casing, and the first sub-plate, the second sub-plate, and the first flange form an air duct, one end of the air duct communicates with the first air vent and the other end communicates with the first opening.

7. The outdoor unit of claim 5, wherein, The first filter screen has a plurality of first mesh holes, and in any one of the first mesh holes, a distance between any two points on an edge of the first mesh hole is less than or equal to 5 mm. 8.The outdoor unit according to claim 1, wherein The second filter screen has a plurality of second mesh holes, and in any one of the second mesh holes, a distance between any two points on an edge of the second mesh hole is less than or equal to 5 mm.

9. The outdoor unit of claim 2, wherein, The casing comprises a bottom disc and a top cover, a top of the partition is connected with the top cover, a bottom of the partition is connected with the bottom disc, and the bottom disc is further provided with a plurality of first grooves, each of the first grooves forms a water passage together with the partition; 10.The outdoor unit according to any one of claims 1-9, wherein ​ The outdoor unit further comprises a plurality of sealing members connected to the partition, each of the sealing members being arranged between the first recess and the partition, the sealing member abutting against the first recess, and at least one second recess being arranged on a side surface of the sealing member close to the first recess. 11.The outdoor unit according to claim 10, wherein Each of the second recesses and the first recess form a third mesh, and a distance between any two points on an edge of the third mesh is less than or equal to 5 mm. 12.The outdoor unit according to claim 10, wherein A bottom of the partition is provided with a second flange, and the partition is connected to the bottom pan through the second flange. The sealing member comprises a clamping portion, a water passing portion, and a blocking portion connecting the clamping portion and the water passing portion, the clamping portion is provided with a clamping groove, the clamping portion is connected to the second flange through the clamping groove, the water passing portion abuts against the first recess, and the second recess is arranged on a side surface of the water passing portion close to the first recess. 13.The outdoor unit according to any one of claims 1-12, wherein, The outdoor unit further comprises a fan, a first heat exchanger, and a compressor, the fan and the first heat exchanger are arranged in the fan cavity, an air outlet opposite to the fan is arranged on the shell of the fan cavity, and the compressor is arranged in the compressor cavity. The outdoor unit further comprises a second heat exchanger, and the second heat exchanger is arranged in the compressor cavity.

14. A heating and ventilating apparatus wherein, An outdoor unit as claimed in any one of claims 1-13.

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