Power bin heat dissipation assembly and power head thereof

Abstract

The utility model discloses a power bin heat dissipation assembly and a power head thereof. The power bin heat dissipation assembly comprises a bin head shell, a heat dissipation body arranged at the inner bottom of the bin head shell, a cover body and a control panel arranged at the top of the cover body, wherein the heat dissipation body is arranged at the upper part of the cover body; the device further comprises a bin head seat, an assembling assembly is arranged on the bin head seat and can be assembled with the bin head shell, a motor body is arranged on the bin head seat, an output shaft at one end of the motor body penetrates through a through hole where the bin head seat is located and is connected with a coupler used for connection of an execution element, and a net cover is arranged at the end, away from the coupler, of the motor body. And a fan is arranged in the mesh enclosure and acts on the end part of the output shaft at the other end of the motor body. The heat dissipation body is arranged between the control panel and the motor body, when the motor body works, wind generated by the fan vertically acts on the motor body, the heat dissipation body and the control panel, so that heat generated by all parts is taken away, the structure is compact, and the heat dissipation effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of power machinery, and particularly relates to a power cabin heat dissipation assembly and a power head thereof. Background Art

[0002] A power cabin generally consists of an engine, a transmission, a transmission device, a control system, etc.; in garden machinery products, it has been converted from traditional oil power to a situation where oil and battery drive are parallel. As the most important component of battery-driven garden machinery, different power heads are equipped for different garden machinery, and these components will generate a large amount of heat during operation. To ensure the normal operation of the power cabin and prevent overheating, the heat needs to be dissipated;

[0003] In the existing power head, when the driving motor drives the actuating element to work, both the motor and its control system board will generate a large amount of heat. Considering that mechanical energy will be generated during the operation of the motor itself, how to utilize this mechanical energy to achieve the heat dissipation process of the entire cabin. Therefore, a power cabin heat dissipation assembly and a power head are designed and provided. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a power cabin heat dissipation assembly and a power head thereof. By placing the heat dissipation body between the control board and the motor body, when the motor body works, the wind generated by the fan acts vertically on the motor body, the heat dissipation body and the control board, thereby taking away the heat generated by each component. The structure is compact and the heat dissipation effect is good.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A power cabin heat dissipation assembly includes: a cabin head shell, a heat dissipation body arranged at the inner bottom of the cabin head shell, a cover body, the heat dissipation body is placed at the upper part of the cover body, and a control board arranged at the top of the cover body; it further includes a cabin head seat, an assembly component is arranged on the cabin head seat and can be assembled with the cabin head shell, a motor body is arranged on the cabin head seat, the output shaft at one end of the motor body passes through the through hole where the cabin head seat is located and is connected with a coupling for connecting an actuating element, and a mesh cover is arranged at the end of the motor body far from the coupling; a fan is arranged inside the mesh cover, the fan acts on the end of the output shaft at the other end of the motor body, when the cabin head seat and the cabin head shell are assembled, the motor body is placed below the heat dissipation body and at the same time inside the cover body.

[0006] Preferably, the heat dissipation body is formed into a cone shape from bottom to top, and a second support conduction strip is arranged around the heat dissipation body for assembling and connecting to the inner bottom of the cabin head shell.

[0007] Preferably, a groove is opened at the bottom of the heat dissipation body, and a convex column arranged at the top of the mesh cover and adapted to the groove, and the mesh cover is provided with grid ventilation holes.

[0008] Preferably, a convex column connection assembly is provided between the top of the cover body and the bottom of the control board for assembling the control board and the cover body to form a gap.

[0009] Preferably, the convex column connection assembly includes an installation frame and a plurality of insertion columns provided on the bottom surface of the installation frame, and further includes a plurality of through grooves opened on the top of the cover body, and the plurality of insertion columns can be inserted into the through grooves.

[0010] Preferably, the installation frame is in a frame shape for accommodating the control board, and a plurality of long grooves are further opened at the bottom of the installation frame.

[0011] Preferably, the motor body, the heat dissipation body, the cover body, and the control board are all vertically assembled, and a plurality of holes are provided in the middle of the heat dissipation body for communicating the areas where the motor body and the control board are located.

[0012] Preferably, the assembly component includes a plurality of assembly strips fixed to the bottom of the cartridge head seat, a bolt is provided at the end of each assembly strip, and an assembly groove provided at the bottom of the cartridge head shell and adapted to the assembly strip, and a threaded hole is provided in each assembly groove for screwing in the bolt.

[0013] Preferably, an inclined extension plate is provided at the end of the transverse section of the cartridge head seat, a plurality of heat dissipation fins are provided on the outer wall of the extension plate, and a heat conduction strip is provided on the inner wall of the extension plate. Further, a first support conduction strip is provided at the bottom of the transverse section of the cartridge head seat. When the cartridge head seat is assembled with the cartridge head shell, the top end of the first support conduction strip acts on the periphery of the heat dissipation body, and the heat conduction strip is connected to one of the first support conduction strips.

[0014] A power head, which includes the aforementioned power cartridge heat dissipation assembly.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the present utility model, the heat dissipation body is placed between the control board and the motor body. When the motor body is working, the wind generated by the fan acts vertically on the motor body, the heat dissipation body and the control board, so as to take away the heat generated by each component to achieve the heat dissipation effect. At the same time, the above vertical setting can reduce the space requirement on the one hand, and has good heat dissipation effect on the other hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is Figure 1 the first disassembled structural schematic diagram of

[0019] Figure 3 is Figure 1Schematic diagram of the second-way disassembly structure;

[0020] Figure 4 is Figure 3 Schematic diagram of the structure from another perspective;

[0021] Figure 5 is Figure 2 Schematic diagram of the structure from another perspective;

[0022] Figure 6 is Figure 1 Schematic diagram of the structure from another perspective;

[0023] Figure 7 is Figure 6 Schematic diagram of the state disassembly structure.

[0024] In the figure: 1. Hopper head shell; 2. Hopper head seat; 211. Assembly strip; 212. Bolt; 213. Assembly groove; 214. Heat dissipation fin; 215. First support conduction strip; 216. Heat conduction strip; 217. Extension plate; 3. Motor body; 311. Coupling; 312. Mesh cover; 313. Convex column; 4. Heat dissipation body; 411. Second support conduction strip; 412. Hole; 413. Groove; 5. Cover body; 511. Through groove; 6. Control board; 611. Installation frame; 612. Long groove; 613. Insertion post. Detailed implementation mode

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model 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 should not be construed as a limitation of the present utility model. The following will introduce each embodiment of the present utility model in detail with reference to the drawings.

[0026] Embodiment 1

[0027] Please refer to Figures 1 to 7, the present utility model preferably provides a technical solution: a power compartment heat dissipation assembly, comprising: a compartment head shell 1, a heat dissipation body 4 and a cover body 5 disposed at the inner bottom of the compartment head shell 1, the heat dissipation body 4 is placed on the upper part of the cover body 5, and a control board 6 disposed on the top of the cover body 5; further comprising a compartment head seat 2, an assembly component is provided on the compartment head seat 2, which can be assembled with the compartment head shell 1, a motor body 3 is provided on the compartment head seat 2, an output shaft at one end of the motor body 3 passes through a through hole where the compartment head seat 2 is located and is connected with a coupling 311 for connecting an actuating element, and a net cover 312 is provided at an end of the motor body 3 away from the coupling 311; a fan is built in the net cover 312, the fan acts on the end of the output shaft at the other end of the motor body 3, when the compartment head seat 2 and the compartment head shell 1 are assembled, the motor body 3 is placed below the heat dissipation body 4 and simultaneously inside the cover body 5.

[0028] In the embodiment of this application, the power compartment serves as the power of the actuating element, and its main components are the drive system and the control system. When the power head is an important component of a garden machine of the drive type, the driving force generally adopts motor drive. Considering that a large amount of heat will be generated when the motor works, in this application, as Figure 1 , 2 and as shown in 3, the motor body 3 adopts an improved method of a double-shaft motor, the coupling 311 is connected as the actuating end for work, and a fan is connected to the other end. When it works, the fan rotates, which can dissipate heat from the motor body 3 itself. The fan adopts a double-sided fan blade setting, which can generate wind in two directions up and down, or a motor with a fan by itself can also be used;

[0029] Through the further setting of the heat dissipation body 4, as Figure 2 , placed between the control board 6 and the motor body 3, on the one hand, the heat dissipation body 4 can dissipate heat from the motor body 3 and the control board 6. At the same time, when the motor body 3 works, the wind generated by the fan acts vertically on the motor body 3, the heat dissipation body 4 and the control board 6, so as to take away the heat generated by each component to achieve the heat dissipation effect. At the same time, the above vertical setting can reduce the space requirement on the one hand and has good heat dissipation effect on the other hand.

[0030] Furthermore, the heat dissipation body 4 is formed into a cone shape from bottom to top, and a second support conduction strip 411 is provided on the periphery where the heat dissipation body 4 is located for assembling and connecting to the inner bottom of the compartment head shell 1.

[0031] As Figure 2 shown, through the existing mature technology of the heat dissipation body 4, heat is transferred from the heat source to the surrounding environment through conduction, convection and radiation, etc., to maintain the normal operating temperature of the equipment. It is in a cone shape, the upper surface is larger, and it can conduct the heat generated by the control board 6 below the control board 6. The lower surface is smaller and acts above the motor body 3, and can conduct the heat generated by the motor body 3, and is limited and fixed to the inner bottom of the compartment head shell 1 through two second support conduction strips 411 provided on both sides.

[0032] Further, a groove 413 is formed at the bottom of the heat sink 4, and a convex post 313 is provided at the top of the mesh cover 312 and adapted to the groove 413. The mesh cover 312 is provided with mesh ventilation holes.

[0033] Such as Figure 4 , through the groove 413 formed at the bottom of the heat sink 4, when the cartridge head shell 1 and the cartridge head seat 2 are assembled, the convex post 313 can be docked and act on the groove 413. On the one hand, it is used to further stabilize the heat sink 4, and through contact conduction, it is more conducive to heat dissipation.

[0034] Embodiment 2

[0035] As another implementation manner of the present utility model, a convex post connection assembly is provided between the top of the cover body 5 and the bottom of the control board 6 for the assembly of the control board 6 and the cover body 5 and to form a gap.

[0036] In this implementation manner, an assembly method of the cover body 5 and the control board 6 is provided. Such as Figure 3 , 4 shown, through the provided convex post connection assembly, it is effectively ensured that a gap can be formed during the assembly of the two, which can further facilitate air circulation and heat dissipation.

[0037] Further, the convex post connection assembly includes a mounting frame 611, and a plurality of plug posts 613 provided on the bottom surface of the mounting frame 611. It also includes a plurality of through slots 511 formed at the top of the cover body 5, and the plurality of plug posts 613 can be inserted into the through slots 511.

[0038] Through the provided convex post connection assembly, such as Figure 3 , 4 , the plug post 613 can be adapted to the through slot 511. When the two are inserted, rapid assembly and limit fixation of the two can be achieved. In another function of the through slot 511, the through slot 511 can be used for the lower fan to act on the control board 6, further realizing the rapid heat dissipation process of the control board 6.

[0039] Further, the mounting frame 611 is in a frame shape for the internal placement of the control board 6, and a plurality of long slots 612 are also formed at the bottom of the mounting frame 611. Through the frame shape setting of the mounting frame 611 and the function of the long slots 612, a mounting and heat dissipation support seat body can be provided for the control board 6.

[0040] Embodiment 3

[0041] As other implementation manners of the present utility model, the motor body 3, the heat sink 4, the cover body 5, and the control board 6 are all vertically assembled, and a plurality of holes 412 are provided in the middle of the heat sink 4 for communicating the areas where the motor body 3 and the control board 6 are located. Such as Figure 2As shown, the above-mentioned components are vertically arranged. With the connecting function of the holes 412, on the one hand, the structure is compact, which can reduce the space requirement. On the other hand, the heat dissipation effect is good.

[0042] Embodiment 4

[0043] As another embodiment of the present invention, the assembly component includes a plurality of assembly strips 211 fixed to the bottom of the cartridge head seat 2. A bolt 212 is provided at the end of each assembly strip 211, and an assembly groove 213 adapted to the assembly strip 211 is provided at the bottom of the cartridge head shell 1. A threaded hole is provided in each assembly groove 213 for the bolt 212 to be screwed in.

[0044] In this embodiment, an assembly method of the cartridge head seat 2 and the cartridge head shell 1 is provided. As Figures 2 to 1 in the assembly process, the heat dissipation body 4, the cover body 5, and the control board 6 are placed inside the cartridge head shell 1. The motor body 3 is arranged on the cartridge head seat 2. Through the assembly strips 211 arranged on the cartridge head seat 2, when it is assembled into the assembly groove 213 at the bottom of the cartridge head shell 1 and locked by the bolt 212, the assembly process of the cartridge head seat 2 and the motor body 3 can be completed. In this way, the structures of the cartridge head shell 1 and the cartridge head seat 2 are detachable, which is convenient for replacing the components inside the cartridge head shell 1 and for maintenance in the later stage.

[0045] Embodiment 5

[0046] As another embodiment of the present invention, an inclined extension plate 217 is provided at the end of the transverse section of the cartridge head seat 2. A plurality of heat dissipation fins 214 are provided on the outer wall of the extension plate 217, and a heat conduction strip 216 is provided on the inner wall of the extension plate 217. A first support conduction strip 215 is further provided at the bottom of the transverse section of the cartridge head seat 2. When the cartridge head seat 2 is assembled with the cartridge head shell 1, the top of the first support conduction strip 215 acts on the periphery of the heat dissipation body 4, and the heat conduction strip 216 is connected to one of the first support conduction strips 215.

[0047] In this embodiment, the further heat dissipation process of the heat dissipation fins 214 is introduced. After the cartridge head shell 1 and the cartridge head seat 2 are assembled, as Figure 2 shown, the top of the first support conduction strip 215 can directly act on the periphery of the heat dissipation body 4. At this time, the right first support conduction strip 215 is connected with the heat conduction strip 216, so that the heat on the heat dissipation body 4 can be further conducted to the extension plate 217, and then further heat dissipation is completed under the action of a plurality of heat dissipation fins 214.

[0048] Embodiment 6

[0049] As another embodiment of the present invention, a power head includes the power cartridge heat dissipation assembly as described above.

[0050] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated. There are various ways of detachable installation. For example, it can be in a manner of cooperation between plugging and buckling, or, for another example, in a manner of bolt connection, etc.

[0051] The specific description of the present utility model in the above embodiments is only for further illustration of the present utility model and cannot be construed as a limitation on the protection scope of the present utility model. Any non-essential improvements and adjustments made by those skilled in the art based on the content of the above utility model fall within the protection scope of the present utility model.

Claims

1. A power compartment heat dissipation assembly, characterized in that: include: A warehouse head shell (1), a heat sink (4) and a cover (5) arranged at the bottom of the warehouse head shell (1), the heat sink (4) being placed on the upper part of the cover (5), and a control panel (6) arranged on the top of the cover (5); It also includes a bin head seat (2), on which an assembly component is arranged, which can be assembled with the bin head shell (1), and on which a motor body (3) is arranged, wherein an output shaft at one end of the motor body (3) passes through a through hole where the bin head seat (2) is located and is connected to a coupling (311) for connecting an actuator, and a mesh cover (312) is arranged at the end of the motor body (3) away from the coupling (311); The mesh cover (312) has a built-in fan, which acts on the output shaft end of the other end of the motor body (3). When the bin head seat (2) and the bin head shell (1) are assembled, the motor body (3) is placed below the heat sink (4) and at the same time inside the cover body (5).

2. A power compartment heat dissipation assembly according to claim 1, characterized in that: The heat sink (4) is formed into a cone from the bottom upwards, and a second supporting conductive strip (411) is provided around the heat sink (4) for assembly and connection to the bottom of the bin head shell (1).

3. The power compartment heat dissipation assembly according to claim 1, characterized in that: The bottom of the heat sink (4) is provided with a groove (413), and a convex column (313) is arranged on the top of the mesh cover (312) and is adapted to the groove (413), and the mesh cover (312) is provided with mesh ventilation holes.

4. The power compartment heat dissipation assembly according to claim 1, characterized in that: The top of the cover body (5) and the bottom of the control panel (6) are provided with a convex column connection assembly, which is used for assembling the control panel (6) and the cover body (5) and forming a gap.

5. A power compartment heat dissipation assembly according to claim 4, characterized in that: The boss connection assembly comprises a mounting frame (611), and a plurality of plug posts (613) arranged on the bottom surface of the mounting frame (611), and also comprises a plurality of through slots (511) opened on the top of the cover body (5), wherein the plurality of plug posts (613) can be plugged into the through slots (511).

6. A power compartment heat dissipation assembly according to claim 5, characterized in that: The installation frame (611) is frame-shaped and is used for the built-in control panel (6), and a plurality of long grooves (612) are also provided at the bottom of the installation frame (611).

7. The power compartment heat dissipation assembly according to claim 1, characterized in that: The motor body (3), the heat sink (4), the cover body (5), and the control board (6) are all vertically assembled, and a plurality of holes (412) are provided in the middle of the heat sink (4) for connecting the motor body (3) and the control board (6) to the area where the motor body (3) and the control board (6) are located.

8. The power compartment heat dissipation assembly according to claim 1, characterized in that: The assembly component comprises a plurality of assembly strips (211) fixed to the bottom of the bin head seat (2), a bolt (212) being arranged at the end of each assembly strip (211), and an assembly groove (213) being arranged at the bottom of the bin head shell (1) and adapted to the assembly strip (211), and a threaded hole being arranged in each assembly groove (213) for screwing in the bolt (212).

9. The power compartment heat dissipation assembly according to claim 1, characterized in that: An inclined extension plate (217) is provided at the end of the transverse section of the warehouse head seat (2); a plurality of heat dissipation fins (214) are provided on the outer wall of the extension plate (217); and a heat conductive strip (216) is provided on the inner wall of the extension plate (217). The extension plate (217) also includes a first support conductive strip (215) provided at the bottom of the transverse section of the warehouse head seat (2); when the warehouse head seat (2) and the warehouse head shell (1) are assembled, the top end of the first support conductive strip (215) acts on the periphery of the heat sink (4), and the heat conductive strip (216) is connected to one of the first support conductive strips (215).

10. A power head, characterized in that: The power head includes a power bin heat dissipation assembly as described in any one of items 1-9.

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