Carriage cooling system of autonomous navigation robot

Abstract

The utility model relates to the field of autonomous navigation robots, and particularly discloses an autonomous navigation robot compartment heat dissipation system which comprises a compartment, a first heat dissipation system is arranged in the compartment, and the first heat dissipation system comprises an air inlet and an air outlet which are located on the same horizontal plane of the compartment wall; wherein an air inlet fan is arranged on the air inlet, so that cold air outside the carriage is sucked into the carriage; an exhaust fan is arranged on the air outlet so as to blow hot air in the compartment out of the compartment; each air inlet at least corresponds to one air outlet, so that a heat dissipation air duct of the first heat dissipation system is formed; an included angle alpha is formed between each air inlet and the corresponding air outlet, and the range of the included angle alpha is larger than 90 degrees and smaller than 180 degrees, so that cold air entering the compartment is large in overlapping coverage area in the central area of the compartment, and the standing time is long. The two heat dissipation systems work cooperatively, cold air is concentrated in the center area, the cooling effect in the compartment space is good, normal operation of the robot is guaranteed, energy consumption is low, and environment friendliness is achieved.

Description

Technical Field

[0001] The utility model relates to the field of autonomous navigation robots, in particular to a heat dissipation system for a compartment of an autonomous navigation robot. Background Art

[0002] With the development of society and the requirements of the national intelligent manufacturing plan, the application of autonomous navigation robots has increased year by year. It is a general term for equipment with autonomous navigation functions, such as indoor cleaning robots, intelligent navigation vehicles, and drones.

[0003] Since a large number of electrical components are installed in the car, they will gradually generate heat over time. If the heat is too high and cannot be output quickly and in time, it will have a direct impact on the service life of the electrical components and the safety of the overall electrical box operation. Especially in summer applications, due to the high ambient temperature and the continuous heating of electronic components such as motor drivers in the car, the temperature inside the car is much higher than the external temperature. The higher temperature will cause components such as the driver to reduce power consumption, or even stop working due to excessive temperature. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a cooling system for a compartment of an autonomous navigation robot.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A heat dissipation system for a compartment of an autonomous navigation robot, comprising a compartment, wherein a first heat dissipation system is arranged in the compartment, wherein the first heat dissipation system comprises an air inlet and an air outlet located on the same horizontal plane on a compartment wall;

[0007] Wherein, an inlet fan is arranged on the air inlet to suck cold air outside the compartment into the compartment; an exhaust fan is arranged on the air outlet to blow hot air inside the compartment out of the compartment;

[0008] Each of the air inlets corresponds to at least one of the air outlets, thereby forming a heat dissipation duct of the first heat dissipation system;

[0009] There is an angle α between the air inlet and the corresponding air outlet, and the range of the angle is 90°<α<180°, so that the cold air entering the compartment has a large overlapping coverage area in the center area of ​​the compartment.

[0010] Furthermore, the range of the angle α is as follows: 120°≤α≤150°.

[0011] Furthermore, the angle α=140°.

[0012] Furthermore, at least two air inlets are provided, and at least two air outlets are provided.

[0013] Furthermore, a second heat dissipation system is provided in the carriage;

[0014] The second heat dissipation system comprises a second air inlet fan which is lower than and / or higher than the horizontal plane of the first heat dissipation system; and

[0015] a second exhaust fan installed at the same level as the second inlet fan;

[0016] The second air intake fan is installed upstream of the heat dissipation air duct in the vehicle compartment, and blows the sucked cold air toward the second exhaust fan, and the second exhaust fan blows the hot air of the second heat dissipation system toward the first heat dissipation system.

[0017] Furthermore, a temperature control switch is arranged in the compartment for starting and shutting down the second cooling system.

[0018] Furthermore, the second row of fans are fixedly connected to working components that need heat dissipation in the compartment through heat-conducting adhesive.

[0019] Furthermore, the working components include a driver.

[0020] Furthermore, the second air inlet fan is fixed in the vehicle compartment via a bracket.

[0021] Furthermore, at least one second air inlet fan is provided, and at least one second air exhaust fan is provided.

[0022] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0023] 1. The heat dissipation ducts of the utility model overlap with each other, so that the cold air sucked into the compartment is concentrated in the central area of ​​the compartment to cool the compartment. The cooling effect inside the compartment space is good, ensuring the normal operation of the robot.

[0024] 2. The utility model sets a second heat dissipation system for the components in the carriage, so as to further ensure the heat dissipation of the working components in the carriage and ensure its stable operation.

[0025] 3. The opening or closing of the second cooling system is controlled by a temperature control switch, which reduces energy consumption and is environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present utility model, rather than limiting the present utility model.

[0027] Figure 1 A schematic diagram of the three-dimensional structure of the first embodiment of the present utility model;

[0028] Figure 2 yes Figure 1 Schematic diagram of heat dissipation from top view;

[0029] Figure 3 Schematic diagram of the heat dissipation effect when the air inlet and outlet are in the same straight line;

[0030] Figure 4 is with Figure 3 Schematic diagram of heat dissipation effects with different air inlet settings;

[0031] Figure 5 is a wind direction schematic diagram of Example 2;

[0032] Figure 6 yes Figure 5 Schematic diagram of three-dimensional heat dissipation;

[0033] Figure 7 is a control flow chart of the second heat dissipation system in Example 2;

[0034] Reference numerals:

[0035] 1. Carriage; 2. Inlet fan A1 of the first cooling system; 3. Inlet fan A2 of the first cooling system; 4. Exhaust fan B1 of the first cooling system; 5. Exhaust fan B2 of the first cooling system; 6. Inlet fan A3 of the second cooling system; 7. Exhaust fan B3 of the second cooling system. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings. The components of the embodiments of the utility model described and shown in the drawings herein can be arranged and designed in various different configurations. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0038] Unless otherwise defined, the technical terms or scientific terms used in this patent document shall be the common meanings understood by people with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the utility model patent specification and claims do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one", "one" or "the" do not indicate a quantity limit, but indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. It is only for the convenience of describing the 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 cannot be understood as a limitation on the utility model.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments can be combined with each other.

[0041] Embodiment 1:

[0042] See also Figure 1 , Figure 2 The utility model provides a heat dissipation system for a cabin of an autonomous navigation robot, including a cabin, in which a first heat dissipation system is arranged, the first heat dissipation system including an air inlet and an air outlet located on the same horizontal plane on the cabin wall; wherein an air inlet fan is arranged on the air inlet to suck cold air outside the cabin into the cabin; and an exhaust fan is arranged on the air outlet to blow hot air in the cabin out of the cabin.

[0043] See also Figure 3 and Figure 4Schematic diagram of heat dissipation effect comparison in a car compartment; two air inlets are provided, and two air outlets are provided. Each air inlet corresponds to at least one air outlet, thereby forming a heat dissipation duct of a first heat dissipation system; wherein an angle α is provided between the air inlet and the corresponding air outlet, α=140° (in this embodiment, the angle between each air inlet and the corresponding air outlet is 140°, wherein the angles between the air inlet and the corresponding different air outlets may be different), so that the cold air entering the car compartment overlaps a large area in the center of the car compartment (please refer to Figure 2 The circular schematic area inside the middle carriage 1) and the residence time are long.

[0044] The positions of the air inlets and outlets are set according to the heat dissipation simulation analysis in the car, and the key heat dissipation areas are analyzed to adjust the layout of the heat dissipation ducts in the car - that is, according to the simulation results, the air intake and exhaust volumes of the car are determined, and then the fan power and fan selection, quantity, and position arrangement are calculated; in this embodiment, part of the car wall is directly set according to the air inlet angle (140°) to facilitate the installation of the inlet fan.

[0045] Here, the installation method of the intake fan and exhaust fan adopts a simple sheet metal hole-digging and inlaying method, which is easy to install, disassemble and replace, and has low cost.

[0046] Here, both the air inlet fan and the exhaust fan use DC motors, and a rain cover and a protective net or a filter are set outside the air inlet to ensure safe use.

[0047] Embodiment 2

[0048] Different from the above embodiment, please refer to Figure 5 , Figure 6 In this embodiment, in addition to the first cooling system, a second cooling system is provided in the vehicle compartment; in this embodiment, the second cooling system includes a second fan intake fan which is lower than the horizontal plane where the first cooling system is located. In other embodiments, the second cooling system may be higher than the horizontal plane where the first cooling system is located according to the arrangement of the electrical components.

[0049] The second heat dissipation system further includes a second exhaust fan installed at the same level as the second inlet fan. One second inlet fan is provided, and one second exhaust fan is provided. The number and position of the second exhaust fan are adjusted according to the arrangement of the actual electrical components and are not limited.

[0050] Among them, the second air intake fan is installed upstream of the heat dissipation air duct in the car to absorb cold air, and it blows the sucked cold air to the second exhaust fan. The second exhaust fan blows the hot air of the second heat dissipation system to the first heat dissipation system, and is taken away from the car by the second heat dissipation system.

[0051] The opening or closing of the second cooling system is controlled by a temperature control switch, and the starting temperature and the closing temperature are set, which can effectively reduce energy consumption.

[0052] The second row of fans is mainly provided to dissipate heat from the electrical components in the compartment, so it is preferably fixed to the working components in the compartment that need to dissipate heat through heat-conducting glue. The working components are preferably drivers.

[0053] The second air inlet fan is used to absorb cold air from the first heat dissipation system, so it is fixed to a position near the air inlet in the vehicle compartment through a bracket.

[0054] See also Figure 5 , Figure 6 , Wind direction diagram, the first cooling system on the upper layer uses four fans (two in and two out), and there is an obtuse angle between the in and out, and the second cooling system on the lower layer uses two fans (one in and one out)

[0055] A1 and A2 are the inlet fans of the first cooling system, and B1 and B2 are the exhaust fans of the first cooling system, so as to form convection cooling for the upper components in the compartment;

[0056] A3 is the inlet fan of the second cooling system, and B3 is the exhaust fan of the second cooling system; the inlet fan A3 blows heat to the exhaust fan B3, and then the exhaust fan B3 blows the heat to the first cooling system on the upper layer, and finally the exhaust fans B1 and B2 discharge the heat out of the car.

[0057] See also Figure 7 The working control process of the heat dissipation system is as follows: when the autonomous navigation robot is working, the first heat dissipation system is turned on at the same time, and when the temperature reaches the upper limit through temperature detection, the second heat dissipation system is turned on, and when the temperature detection reaches the lower limit of the temperature, the second heat dissipation system is turned off; the entire heat dissipation control process is more energy-saving and environmentally friendly.

[0058] The utility model has a novel structure and can adjust the fan heat dissipation layout in the compartment according to actual conditions, so as to achieve heat dissipation of at least two layers of components inside the compartment, thereby ensuring that the electronic components can maintain normal operation in summer.

[0059] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A cooling system for a compartment of an autonomous navigation robot, comprising a compartment, wherein a first cooling system is arranged in the compartment, wherein the first cooling system comprises an air inlet and an air outlet located on the same horizontal plane on a compartment wall; in, An inlet fan is arranged on the air inlet to suck cold air outside the compartment into the compartment; an exhaust fan is arranged on the air outlet to blow hot air inside the compartment out of the compartment; Features: Each of the air inlets corresponds to at least one of the air outlets, thereby forming a heat dissipation duct of the first heat dissipation system; There is an angle α between the air inlet and the corresponding air outlet, and the range is 90°<α< 180°, so that the cold air entering the compartment overlaps a large area in the center area of ​​the compartment.

2. The autonomous navigation robot compartment cooling system according to claim 1 is characterized in that: The range of the angle α is as follows: 120°≤α≤150°.

3. The autonomous navigation robot compartment cooling system according to claim 2, characterized in that: Angle α=140°.

4. The autonomous navigation robot compartment cooling system according to claim 1 or 3, characterized in that: At least two air inlets are provided, and at least two air outlets are provided.

5. The autonomous navigation robot compartment cooling system according to claim 4, characterized in that: A second heat dissipation system is provided in the carriage; The second heat dissipation system comprises a second air inlet fan which is lower than and / or higher than the horizontal plane of the first heat dissipation system; and a second exhaust fan installed at the same level as the second inlet fan; The second air intake fan is installed upstream of the heat dissipation air duct in the vehicle compartment, and blows the sucked cold air toward the second exhaust fan, and the second exhaust fan blows the hot air of the second heat dissipation system toward the first heat dissipation system.

6. The autonomous navigation robot compartment cooling system according to claim 5, characterized in that: A temperature control switch is arranged in the compartment to start and shut down the second heat dissipation system.

7. The autonomous navigation robot compartment cooling system according to claim 5, characterized in that: The second row of fans are fixedly connected to working components that need heat dissipation in the compartment through heat-conducting glue.

8. The autonomous navigation robot compartment cooling system according to claim 7, characterized in that: The working components include a driver.

9. The autonomous navigation robot compartment cooling system according to claim 5, characterized in that: The second air inlet fan is fixed in the vehicle compartment through a bracket.

10. The autonomous navigation robot compartment cooling system according to any one of claims 5, 6, 7, 8, and 9, characterized in that: At least one second air inlet fan is provided, and at least one second air exhaust fan is provided.

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