Heat dissipation structure for mowing robot and mowing robot

Abstract

The utility model discloses a heat dissipation structure for a mowing robot and the mowing robot. The heat dissipation structure comprises heat dissipation fins, a heat conduction block and a connection heat dissipation plate. The plurality of radiating fins are arranged on one side of the connecting radiating plate; the heat conduction block is arranged on the other side of the connecting heat dissipation plate, a plurality of heat conduction bosses are arranged on the heat conduction block, the heat conduction bosses directly make contact with heat dissipation components and conduct heat of the heat dissipation components, and meanwhile the heat conduction bosses protrude out of the surface of the heat conduction block, so that the heat dissipation efficiency is improved. Therefore, a gap is formed between the heat dissipation component and the surface of the heat conduction block, the heat dissipation area of the heat conduction block is increased due to the existence of the gap, and the heat conduction block has heat conduction and heat dissipation functions; the heat radiated by the heat radiation component sequentially passes through the heat conduction boss, the heat conduction block, the connection heat radiation plate and the heat radiation fins, multi-stage heat radiation is realized, and the heat radiation effect is good; the heat dissipation device is applied to the mowing robot and has the effects of timely heat dissipation, slow speed of electronic components and long service life of the electronic components.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation accessories for lawn mowing robots, in particular to a heat dissipation structure for lawn mowing robots and the lawn mowing robots. Background Art

[0002] With the development of science and technology and the increasing demand for intelligence, lawn mowing robots, as an automated agricultural equipment, have been widely used in turf maintenance in lawns, gardens and other places.

[0003] The core control board of the mowing robot is responsible for processing sensor input, executing decision-making algorithms, controlling motor movement, managing power, achieving remote communication, storing data, monitoring security, and supporting software updates. It is the brain of the mowing robot's intelligent operation.

[0004] There are several electronic components on the core control board. The electronic components will generate a lot of heat during operation. The heat dissipation of the core control board is crucial to the performance and life of the lawn mowing robot. Insufficient heat dissipation will lead to the decline of the stable performance of the lawn mowing robot, accelerate the aging of electronic components, and even cause thermal runaway of the electronic components. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a heat dissipation structure for a lawn mowing robot and the lawn mowing robot, which are convenient for the lawn mowing robot to dissipate heat.

[0006] The first technical solution adopted by the utility model to solve its technical problem is:

[0007] A heat dissipation structure for a lawn mowing robot comprises: a heat sink, a heat conducting block and a connecting heat dissipation plate;

[0008] The heat sinks are in multiple pieces and are arranged on one side of the connecting heat sink;

[0009] The heat-conducting block is arranged on the other side of the connecting heat sink, and a plurality of heat-conducting bosses are arranged on the heat-conducting block, and the heat-conducting bosses are in direct contact with the heat-dissipating components of the control board.

[0010] In the heat dissipation structure as described above, a heat conduction pipeline is arranged in the connecting heat dissipation plate, and a coolant is filled in the heat conduction pipeline.

[0011] In the heat dissipation structure as described above, the heat conducting pipe is arranged on the connecting heat dissipation plate in a curved shape, and the range of the connecting heat dissipation plate covered by the heat conducting pipe is area A;

[0012] The range covered by the heat conducting block connected to the heat sink is area B;

[0013] There is a relationship between the area A and the area B: A>B.

[0014] In the heat dissipation structure as described above, the heat sinks are arranged equidistantly along the connecting heat sink plate, and the heat sink 1 covers the connecting heat sink plate 3 in area C, and there is a relationship between area B and area C: C>B.

[0015] In the heat dissipation structure as described above, the plurality of heat sinks are arranged in two rows vertically along the connecting heat sink plate.

[0016] In the heat dissipation structure as described above, the thermal conductivity of the heat-conducting block and the heat-conducting boss is greater than the thermal conductivity of the heat sink.

[0017] In the heat dissipation structure as described above, the connecting heat dissipation plate is provided with connecting ears parallel to the connecting heat dissipation plate, and the connecting ears are used to fix the heat dissipation structure on the lawn mowing robot.

[0018] In the heat dissipation structure as described above, the connecting heat dissipation plate is further provided with a foot column, and the foot column is arranged adjacent to the heat conduction block;

[0019] The control panel is provided with connection holes corresponding to the foot posts.

[0020] In the heat dissipation structure as described above, there are a plurality of heat-conducting bosses, and the contact area between each heat-conducting boss and the heat dissipation component is positively correlated with the volume of the heat dissipation component in contact.

[0021] The second technical solution adopted by the utility model to solve its technical problem is:

[0022] A lawn mowing robot has the above-mentioned heat dissipation structure.

[0023] The beneficial effects of the utility model are:

[0024] The heat-conducting boss is in direct contact with the heat-dissipating component to conduct heat to the heat-dissipating component. At the same time, since the heat-conducting boss is arranged to protrude from the surface of the heat-conducting block, there is a gap between the heat-dissipating component and the surface of the heat-conducting block. The existence of the gap increases the heat-dissipating area of ​​the heat-conducting block, so that the heat-conducting block has both heat-conducting and heat-dissipating functions. The heat dissipated by the heat-dissipating component passes through the heat-conducting boss, the heat-conducting block, the connecting heat-dissipating plate and the heat-dissipating fin in sequence, and the heat dissipation is multi-stage, and the heat dissipation effect is good.

[0025] The heat dissipation structure of the utility model is applied to a lawn mowing robot, and the lawn mowing robot has the effects of timely heat dissipation, slow speed of electronic components and long service life of the electronic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] Figure 1 is a three-dimensional diagram of the heat dissipation structure in the first embodiment;

[0028] Figure 2 is a top view of the heat dissipation structure in the first embodiment;

[0029] Figure 3 is a front view of the heat dissipation structure in the first embodiment;

[0030] Figure 4 is a bottom view of the heat dissipation structure in the first embodiment;

[0031] Figure 5 is a schematic diagram of the connection structure of the heat dissipation structure and the connection plate in the first embodiment;

[0032] Figure 6 is an exploded view of the heat dissipation structure in the second embodiment;

[0033] Figure 7 is a three-dimensional diagram of the heat dissipation structure in the second embodiment;

[0034] The reference numerals are as follows:

[0035] 1-heat sink; 2-heat conducting block; 21-heat conducting boss; 211-large heat conducting boss; 212-small heat conducting boss; 3-connecting heat sink; 31-connecting ear; 32-foot column; 4-heat conducting pipeline; 51-connecting hole. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other.

[0037] Reference Figure 1-Figure 4 , Embodiment 1: A heat dissipation structure for a lawn mowing robot, comprising: a heat sink 1, a heat conducting block 2 and a connecting heat dissipation plate 3;

[0038] The heat sink 1 is composed of a plurality of pieces and arranged on one side of the connecting heat sink 3;

[0039] The heat conducting block 2 is arranged at the other side of the connection heat sink 3, and a plurality of heat conducting bosses 21 are arranged on the heat conducting block 2, and the heat conducting bosses 21 are in direct contact with the heat dissipation components of the control board.

[0040] When in use, the heat-conducting boss 21 is in direct contact with the heat-dissipating component to conduct the heat of the heat-dissipating component. At the same time, since the heat-conducting boss 21 is arranged to protrude from the surface of the heat-conducting block 2, there is a gap between the heat-dissipating component and the surface of the heat-conducting block 2. The existence of the gap increases the heat dissipation area of ​​the heat-conducting block 2, so that the heat-conducting block 2 has both heat-conducting and heat-dissipating functions; air can circulate between adjacent heat sinks 1, and the air can take away the heat on the heat sink 1 while circulating.

[0041] Compared with the solution in which the heat-conducting boss is directly connected to the heat sink, if the heat dissipation of some heat-dissipating components is large, local overheating may easily occur on the heat sink, resulting in unsatisfactory heat dissipation. The heat-conducting block in this embodiment is in contact with the heat sink over a large area, which can increase the heat conduction efficiency and reduce the occurrence of local overheating on the heat sink.

[0042] In this embodiment, the heat dissipated by the heat dissipation component passes through the heat conduction boss, the heat conduction block, the connecting heat dissipation plate and the heat sink in sequence. The heat is conducted step by step and the heat is also dissipated step by step, so the heat dissipation effect is good.

[0043] Preferably, the heat sink 1 is arranged perpendicular to the connecting heat sink plate 3 .

[0044] Reference Figure 5-Figure 6 Embodiment 2 is a further improvement of Embodiment 1: a heat conducting pipe 4 is provided in the connecting heat sink 3, and a coolant is contained in the heat conducting pipe 4; when the coolant flows in the heat conducting pipe 4, the heat transferred from the heat conducting block 2 to the connecting heat sink 3 can be further uniformly distributed, and the heat transferred from the connecting heat sink 3 to each of the heat sinks 1 can be uniformly distributed; wherein the coolant is a conventional coolant, such as water plus a component having a low surface tension, such as ethylene glycol coolant in an alcohol-based coolant.

[0045] Specifically, the heat conducting pipe 4 is disposed on the connecting heat sink 3 in a curved shape, and the range of the connecting heat sink 3 covered by the heat conducting pipe 4 is area A;

[0046] The area covered by the heat conducting block 2 and connected to the heat sink 3 is area B;

[0047] There is a relationship between the area A and the area B: A>B.

[0048] The curved setting of the heat conducting pipe 4 can increase the contact surface area between the coolant and the heat conducting element, thereby improving the heat exchange efficiency between the coolant and the connected heat sink; area A is larger than area B, which can improve the heat exchange efficiency from the heat conducting block 2 to the connected heat sink 3, and utilize the coolant in the heat conducting pipe 4 to further evenly distribute the heat transferred from the heat conducting block 2 to the connected heat sink 3.

[0049] Furthermore, the heat sinks 1 are arranged equidistantly along the connecting heat sink 3 (wherein the horizontal direction can refer to Figure 2 The area of ​​the heat sink 1 covering the heat sink 3 is area C, and there is a relationship between area B and area C: C>B. That is, the distribution area of ​​the heat sink 3 is larger than that of the heat conducting block 2, and the heat dissipation area is increased in the structure of the heat sink 3. In addition, the area of ​​area C is larger than that of area B, and there are more heat sinks 1 distributed in area C or the distance between the heat sinks 1 is larger, which further increases the contact area between the air and the heat dissipation structure and improves the heat dissipation effect.

[0050] The above scheme presents a scheme of air circulation between adjacent heat sinks 1; in practical applications, the air flow direction is often irregular; specifically, the plurality of heat sinks 1 are connected to the heat sink 3 vertically (wherein the horizontal direction can refer to Figure 2 In this way, the heat sinks along the vertical direction of the heat sink plates 3 also have air guide channels for air circulation, and under the same application environment, the heat dissipation effect of the heat dissipation structure is further improved.

[0051] Furthermore, the thermal conductivity of the heat-conducting block 2 and the heat-conducting boss 21 is greater than the thermal conductivity of the heat sink 1. In the early stage of the control board operation, the temperature of the heat-dissipating components is greater than that of the heat-conducting block 2. Therefore, the large thermal conductivity of the heat-conducting block 2 helps to quickly transfer the temperature from the high-temperature area (heat-dissipating components) to the low-temperature area (heat sink 1), thereby achieving rapid heat dissipation of the heat-dissipating components.

[0052] Preferably, the heat conducting block 2 and the heat conducting boss 21 may be made of copper alloy, and the heat sink 1 may be made of aluminum alloy.

[0053] Furthermore, the connecting heat sink 3 is provided with a connecting ear 31 parallel to the connecting heat sink 3, and the connecting ear 31 is used to fix the heat dissipation structure on the lawn mower robot. Specifically, the connecting ears 31 are multiple and distributed along the circumference of the connecting heat sink 3; the lawn mower robot is provided with connecting holes corresponding to the connecting ears 31, and the connecting ears 31 are installed corresponding to the connecting holes by screw and nut fixing, so that the heat dissipation structure can be fixed on the lawn mower robot.

[0054] Furthermore, the connecting heat sink 3 is also provided with a foot column 32, and the foot column 32 is arranged adjacent to the heat conducting block 2;

[0055] The control board is provided with a connection hole 51 corresponding to the foot 32. The setting of the foot 32, on the one hand, assists the heat dissipation structure to be fixed on the control board; on the other hand, since the heat conductive block 2 is in direct contact with the heat dissipation component when in use, in order to avoid the heat conductive block 2 squeezing the heat dissipation component under the action of external force or when the lawn mowing robot is driving on a bumpy road, the foot 32 is provided to provide a support point for the heat dissipation structure on the control board, so as to avoid the heat conductive block 2 squeezing the heat dissipation component and causing damage to the heat dissipation component.

[0056] Preferably, the length of the foot column 32 is greater than the sum of the heights of the heat dissipation components, the heat conducting block 2 and the heat conducting boss 21 on the control board.

[0057] Furthermore, there are a plurality of heat-conducting bosses 21, and the contact area between each heat-conducting boss 21 and the heat-dissipating component is positively correlated with the volume of the heat-dissipating component in contact.

[0058] The following combination Figure 4 For example:

[0059] The heat-conducting boss 21 includes a large heat-conducting boss 211 and a small heat-conducting boss 212 (the heat-conducting boss 21 does not mean only two sizes, but is only used as an example for ease of understanding). A large heat-dissipating component has a large area of ​​the large heat-conducting boss 211 in contact with it. A large heat-dissipating area can help to more evenly distribute the heat generated by the heat-dissipating component, reduce the formation of local hot spots, and thus reduce the operating temperature of the control board.

[0060] Correspondingly, the small heat-dissipating components have a small area of ​​the small heat-conducting boss 212 in contact with them. On the one hand, it can save the manufacturing materials of the heat-conducting boss 21 and reduce the manufacturing cost. On the other hand, the gaps between each adjacent large heat-conducting boss 211 and small heat-conducting boss 212 can also be used for air circulation to improve the heat dissipation efficiency.

[0061] A lawn mowing robot has the above-mentioned heat dissipation structure. Compared with a robot without the above-mentioned heat dissipation structure, the lawn mowing robot has less local heating of the control board, timely heat dissipation, slow electronic components and long service life.

[0062] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A heat dissipation structure for a lawn mowing robot, characterized in that: include: A heat sink (1), a heat conducting block (2) and a connecting heat sink plate (3); The heat sink (1) is composed of a plurality of pieces and is arranged on one side of the connecting heat sink (3); The heat conducting block (2) is arranged on the other side of the connecting heat sink (3), and a plurality of heat conducting bosses (21) are arranged on the heat conducting block (2), and the heat conducting bosses (21) are in direct contact with the heat dissipation components of the control board.

2. The heat dissipation structure according to claim 1, characterized in that: A heat-conducting pipeline (4) is arranged inside the connecting heat-dissipating plate (3), and a cooling liquid is contained in the heat-conducting pipeline (4).

3. The heat dissipation structure according to claim 2, characterized in that: The range covered by the heat conducting pipe (4) and connected to the heat dissipation plate (3) is area A; The range covered by the heat conducting block (2) and the connected heat sink (3) is area B; There is a relationship between the area A and the area B: A>B.

4. The heat dissipation structure according to claim 3, characterized in that: The heat sinks (1) are arranged equidistantly laterally along the connecting heat sink (3); the range of the connecting heat sink (3) covered by the heat sink (1) is region C; and there is a relationship between region B and region C: C>B.

5. The heat dissipation structure according to claim 4, characterized in that: The plurality of heat sinks (1) are arranged vertically in two rows along the connecting heat sink plate (3).

6. The heat dissipation structure according to claim 1, characterized in that: The thermal conductivity of the heat-conducting block (2) and the heat-conducting boss (21) is greater than the thermal conductivity of the heat sink (1).

7. The heat dissipation structure according to claim 1, characterized in that: The connecting heat sink (3) is provided with a connecting ear (31) parallel to the connecting heat sink (3), and the connecting ear (31) is used to fix the heat dissipation structure on the lawn mowing robot.

8. The heat dissipation structure according to claim 1, characterized in that: The connecting heat sink (3) is also provided with a foot column (32), and the foot column (32) is arranged adjacent to the heat conducting block (2); The control panel is provided with a connection hole (51) corresponding to the foot column (32).

9. The heat dissipation structure according to claim 1, characterized in that: There are a plurality of heat-conducting bosses (21), and the area of ​​each heat-conducting boss (21) in contact with the heat-dissipating component is positively correlated with the volume of the heat-dissipating component in contact.

10. A lawn mowing robot, characterized in that: It has a heat dissipation structure as described in any one of claims 1 to 9.

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