Outdoor operation equipment

Abstract

The utility model discloses outdoor operation equipment, and the equipment comprises a power output assembly which is set to output power, so as to carry out outdoor operation; the walking assembly is arranged to support the outdoor operation equipment to walk; the energy equipment is used for providing electric energy for the outdoor operation equipment; the energy equipment comprises a shell; the plurality of battery cells are configured to be mounted in the shell; the mounting bracket is arranged in the shell, a plurality of assembling parts for mounting the battery cells are arranged in the mounting bracket, and a limiting piece for limiting the movement of the battery cells is arranged in each assembling part. According to the outdoor operation equipment, the energy equipment can well limit the battery cell, and shaking of the battery cell in the shell is reduced.

Description

[Technical Field]

[0001] This application relates to the technical field of outdoor equipment, and particularly to an outdoor working equipment. [Background Art]

[0002] With the development of new energy technologies, more and more outdoor working equipment uses energy devices to provide power. Energy devices are generally formed by connecting multiple single-cell batteries in series and parallel, and a battery management system (BMS) is also added. They can be directly applied as independent modules to other devices.

[0003] However, in existing energy devices, the battery cells are installed in the housing through brackets, etc. Since the battery cells are not fixed, relative movement of the battery cells relative to the brackets will occur, resulting in damage to the battery cells. Although some fixing components for fixing the battery cells are installed on the brackets, these fixing components occupy a large space, which is not conducive to the overall layout design of the energy device, wastes a lot of space inside the energy device, and greatly reduces the capacitance of the energy device.

[0004] In view of this, it is necessary to provide an improved energy device to overcome the defects of the prior art. [Summary of the Utility Model]

[0005] Aiming at the deficiencies of the prior art, the purpose of this application is to provide an outdoor working equipment, which optimizes the structural layout of the energy device on the outdoor working equipment.

[0006] The technical solution adopted by this application to solve the problems of the prior art is: an outdoor working equipment, including: a power output component configured to output power to perform outdoor work; a traveling component configured to support the outdoor working equipment to travel; and an energy device configured to provide electrical energy for the outdoor working equipment; the energy device includes a housing, and the housing is provided with: a plurality of battery cells configured to be installed in the housing; a mounting bracket disposed in the housing, and the mounting bracket is provided with a plurality of assembly parts for mounting the battery cells, and each of the assembly parts is provided with a limiting member for restricting the movement of the battery cells.

[0007] A further improvement is that: the limiting member protrudes from the inner wall of the assembly part into the assembly part.

[0008] A further improvement is that: the battery cell is a cylindrical battery cell, the assembly part is a circular assembly part, and the ratio of the length of the limiting member in the direction parallel to the axis of the battery cell to the length of the battery cell in the axial direction is greater than or equal to 0.02 and less than or equal to 0.05.

[0009] A further improvement solution is as follows: A limiting part is provided at the end of the assembly part. In the axial direction of the battery cell, the ratio of the projected area of the limiting part to the projected area of a single end face of the battery cell is greater than or equal to 0.002 and less than or equal to 0.003.

[0010] A further improvement solution is as follows: In the axial direction of the battery cell, the ratio of the projected area of the limiting part to the projected area of the end face of a single battery cell is greater than or equal to 0.0025 and less than or equal to 0.0028.

[0011] A further improvement solution is as follows: The ratio of the area of the side wall of the battery cell located inside the assembly part to the area of the entire side wall of the battery cell is greater than or equal to 1 / 3 and less than or equal to 1 / 2.

[0012] A further improvement solution is as follows: The limiting part is provided at any one of the middle part and both ends of the assembly part.

[0013] A further improvement solution is as follows: The shortest distance between the battery cells assembled in the assembly part is greater than or equal to 2 mm.

[0014] A further improvement solution is as follows: The mounting bracket includes a first bracket and a second bracket, and assembly parts are provided on both the first bracket and the second bracket.

[0015] A further improvement solution is as follows: An electrode connecting piece is connected between the battery cells, and through holes for the electrode connecting piece to leak out are provided on both the first bracket and the second bracket to communicate with the assembly part.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] For the outdoor working equipment of the present application, by providing a limiting part in its energy equipment, not only a good fixing effect is achieved on the battery cells, but also the space occupied by the limiting part is small, making the overall layout design of the energy equipment more reasonable. More battery cells can be installed in the same space of the energy equipment, increasing the capacitance of the energy equipment, and thus improving the endurance of the electrical equipment adapted to the energy equipment. [Description of the Drawings]

[0018] The following further details the specific embodiments of the present application with reference to the drawings:

[0019] Figure 1 It is a three-dimensional view of the energy equipment according to an embodiment of the present application;

[0020] Figure 2 It is a structural schematic diagram of the battery cell layout of the energy equipment according to an embodiment of the present application;

[0021] Figure 3It is a schematic diagram of the internal structure of an energy device according to an embodiment of the present application;

[0022] Figure 4 It is a schematic diagram of the structure of an electrode connecting piece of an energy device according to an embodiment of the present application;

[0023] Figure 5 It is a schematic diagram of the structure of an electrode connecting piece of an energy device from another angle according to an embodiment of the present application;

[0024] Figure 6 It is a schematic diagram of the internal structure of an energy device from another angle according to an embodiment of the present application;

[0025] Figure 7 It is a schematic diagram of the structure of an electrode connecting piece of an energy device according to an embodiment of the present application;

[0026] Figure 8 It is a schematic diagram of the structure of a battery cell structure of an energy device according to an embodiment of the present application;

[0027] Figure 9 It is a schematic diagram of the positional relationship among a BMS board, positive and negative electrode plates, and a conductive member of an energy device according to an embodiment of the present application;

[0028] Figure 10 It is a schematic diagram of the structure of a conductive member of an energy device according to an embodiment of the present application;

[0029] Figure 11 It is a schematic diagram of the structure of a positive electrode plate of an energy device according to an embodiment of the present application;

[0030] Figure 12 It is a schematic diagram of the structure of a second bracket of an energy device according to an embodiment of the present application;

[0031] Figure 13 It is a schematic diagram of the structure of a second bracket of an energy device from another angle according to an embodiment of the present application;

[0032] Figure 14 It is a schematic diagram of the structure of a second bracket of an energy device from another angle according to an embodiment of the present application;

[0033] Figure 15 It is a schematic diagram of the structure of a second bracket of an energy device from another angle according to an embodiment of the present application;

[0034] Figure 16 It is a schematic diagram of the structure of an energy device with a shock-absorbing structure according to an embodiment of the present application;

[0035] Figure 17 It is a schematic diagram of the overall structure of an outdoor working device according to an embodiment of the present application;

[0036] Figure 18It is a schematic diagram of the overall structure of an outdoor working device according to another embodiment of the present application;

[0037] Figure 19 It is a schematic diagram of the overall structure of an outdoor working device according to another embodiment of the present application;

[0038] Figure 20 It is a schematic diagram of the overall structure of an outdoor working device according to another embodiment of the present application.

[0039] Meanings of the reference numerals in the figure:

[0040] 100, energy device; 101, output battery cell group; 102, odd-row battery cell group; 103, even-row battery cell group; 104, mounting bracket; 1041, first bracket; 1042, second bracket; 105, first mating surface; 106, second mating surface; 107, assembly part; 108, limiting part; 109, electrode connecting piece; 1091, recessed structure; 1092, protruding structure; 1093, second connecting part; 110, through hole; 111, BMS board; 112, positive electrode plate; 1121, first mating part; 1122, second mating part; 1123, inclined surface; 113, battery cell; 1131, end face; 1132, side wall; 1133, protruding structure; 114, negative electrode plate; 115, mounting seat; 116, conductive part; 1161, pin; 1162, fixing hole; 117, collecting part; 1171, first connecting part; 118, supporting part; 119, shock-absorbing structure; 120, plane; 121, handle; 122, heat dissipation slot; 123, limiting part; 200, main frame; 300, operation component; 400, seat; 500, traveling component; 600, power output component. [Specific Embodiments]

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0042] An energy device (battery pack) is generally formed by connecting multiple single battery cells in series and parallel, and a battery management system (BMS, Battery Management Systems) is also added, and it can be directly applied as an independent module to other devices.

[0043] However, for existing energy devices, the layout of their battery cells is relatively traditional. Generally, all the battery cells are arranged neatly or all the battery cells are arranged in a staggered manner. Such a setting sometimes cannot well adapt to the installation of other components within the energy device, resulting in insufficient utilization of the overall internal space of the energy device.

[0044] Moreover, for existing energy devices, the heat dissipation efficiency of the battery cells is improved by staggering the battery cells, that is, the battery cell groups in adjacent different rows are set at different heights, and usually the two most distal battery cell groups in opposite rows are selected as the positive and negative output terminals. Due to the different heights of the battery cell groups at both ends, the positive and negative electrode plates are often set to different lengths to adapt to the battery cell groups of different heights, so that the output terminals of the positive and negative electrode plates are at the same height, and then the positive and negative electrode plates are connected to the BMS board at the same height. However, if electrode plates of different lengths are used for connection, it not only increases the complexity of the production of the positive and negative electrode plates, but also indirectly increases the assembly cost of the energy device.

[0045] Furthermore, the battery cell group at the higher end will occupy the space of the energy device. To adapt to the installation of other components, the height of the energy device will be increased as a whole, resulting in a relatively large space required for the overall energy device and affecting the adaptability of the energy device to other devices (such as outdoor operation devices or power tools).

[0046] Please refer to Figures 1 to 19 An energy device 100 according to an embodiment disclosed in the present application is shown, including a housing and a plurality of battery cells 113 disposed within the housing. The plurality of battery cells 113 are configured as follows: a first battery cell group, including two output battery cell groups 101 having the same height on a plane 120, and the output battery cell groups 101 are configured to be connected to the positive or negative electrode of the energy device 100 to output electric energy externally; a second battery cell group, including an odd-numbered row battery cell group 102 and an even-numbered row battery cell group 103, and the odd-numbered row battery cell group 102 and the even-numbered row battery cell group 103 are arranged in a staggered manner on the plane 120; wherein, the height of the output battery cell groups 101 is different from the height of both the odd-numbered row battery cell group 102 and the even-numbered row battery cell group 103.

[0047] By setting the height of the output battery cell groups 101 for electric energy output to be different from the height of both the odd-numbered row battery cell group 102 and the even-numbered row battery cell group 103 in this way, the internal space of the energy device 100 can be fully utilized, making the spatial layout of the energy device 100 more reasonable.

[0048] Such as Figure 1 and Figure 6As shown, an installation bracket 104 is further provided inside the housing of the energy device 100 of the present application. A plurality of assembly parts 107 are provided inside the installation bracket 104, and the assembly parts 107 are used to assemble the battery cells 113. And the position layout of each assembly part 107 is set according to the layout of the battery cells 113. The installation bracket 104 includes a first bracket 1041 and a second bracket 1042 combined together. Assembly parts 107 are provided on both the first bracket 1041 and the second bracket 1042, and the assembly parts 107 on the first bracket 1041 and the second bracket 1042 are arranged in correspondence. Both ends of the battery cell 113 are inserted into the assembly parts 107 on the first bracket 1041 and the second bracket 1042 respectively to be mounted on the installation bracket 104. After the first bracket 1041 and the second bracket 1042 are combined, they form a substantially square structure.

[0049] As Figure 2 shown, in a specific embodiment, the height h2 of the output battery cell group 101 is located between the height h1 of the odd-row battery cell groups 102 and the height h3 of the even-row battery cell groups 103. By setting the height h2 of the output battery cell group 101 between the height h1 of the odd-row battery cell groups 102 and the height h3 of the even-row battery cell groups 103, the output battery cell group 101 does not additionally occupy the space in the height direction, but only arranges between the height h1 of the odd-row battery cell groups 102 and the height h3 of the even-row battery cell groups 103, saving the space occupied by the layout of the energy device 100.

[0050] Furthermore, two rows of output battery cell groups 101 are respectively arranged at both ends in the arrangement direction of the second battery cell group. In the case where the height h2 of the two rows of output battery cell groups 101 is located between the height h1 of the odd-row battery cell groups 102 and the height h3 of the even-row battery cell groups 103, the two rows of output battery cell groups 101 are also located at both ends of the entire battery cell group layout. In this way, the battery cell groups enclose a square structure, and sufficient reserved space will be formed at the four corners of the square structure, and this reserved space area can be used to reinforce the structure of the installation bracket 104 at the four corners to increase the strength of the installation bracket 104, and further increase the anti-drop ability and anti-impact ability of the energy device 100.

[0051] Furthermore, at least one row of the two rows of output battery cell groups 101 is arranged between the second battery cell groups. Such a setting is beneficial for the output battery cell groups 101 to be closer in layout.

[0052] In a specific embodiment, the output battery cell group 101, the odd-row battery cell groups 102 and the even-row battery cell groups 103 have the same length. This makes the arrangement of the battery cells 113 more regular, and thus is beneficial for making the internal space layout of the housing more compact.

[0053] Please refer to Figure 2, in a specific embodiment, each of the first battery cell group and the second battery cell group includes an even number of battery cells 113, and the even number of battery cells 113 are connected in parallel in pairs. Preferably, the energy device 100 in the present application includes 32 battery cells 113, which are respectively arranged into 8 rows of battery cell groups, and each row of battery cell groups includes four battery cells 113. Among them, two rows are output battery cell groups 101, and the remaining are 3 rows of odd-numbered battery cell groups 102 and 3 rows of even-numbered battery cell groups 103, and adjacent two battery cells 113 in each row are connected in parallel to supply power externally. The 32 battery cells 113 can be set into 16 groups of battery cells 113 connected in parallel in pairs, and then the 16 groups of battery cells 113 are connected in series to output electric energy externally.

[0054] In the present application, the battery cell 113 is preferably a cylindrical battery cell 113, whose diameter is generally greater than 38 mm, preferably 40 mm, and the length of the battery cell 113 is generally greater than or equal to 130 mm, preferably 130 mm. And the nominal voltage of a single battery cell 113 is greater than or equal to 3.2 V, preferably 3.2 V. The nominal capacity of the battery cell 113 is greater than or equal to 15 Ah, preferably 20 Ah.

[0055] The weight of the energy device 100 assembled from the above battery cells is greater than or equal to 11.4 Kg, preferably 16 Kg. The nominal energy of the energy device 100 is greater than or equal to 1.54 Kwh, preferably 1.6 Kwh. The nominal voltage of the energy device 100 is greater than or equal to 51.2 v, preferably 58 v.

[0056] As Figure 9 shown, in a specific embodiment, one row of the two rows of output battery cell groups 101 is used to connect the positive electrode plate 112, and the other row is used to connect the negative electrode plate 114. The positive electrode plate 112 and the negative electrode plate 114 have the same height. Since the positive electrode plate 112 and the negative electrode plate 114 also need to be connected to other components, other components connected to the positive electrode plate 112 and the negative electrode plate 114 can be kept horizontal relative to the positive electrode plate 112 and the negative electrode plate 114, making the spatial layout of the energy device 100 more compact in the height direction.

[0057] In a specific embodiment, the distance between the positive electrode plate 112 and the negative electrode plate 114 is greater than or equal to 200 mm. Such a setting can effectively prevent the situation of short circuit caused by the positive electrode plate 112 and the negative electrode plate 114 being wired together during assembly or use. Preferably, the distance between the positive electrode plate 112 and the negative electrode plate 114 is 200 mm or 225 mm.

[0058] As Figure 6 and Figure 7As shown, in a specific embodiment, a collector 117 for collecting information of a plurality of battery cells 113 is provided on the mounting bracket 104. A first connection portion 1171 is provided on the collector 117. A plurality of electrode connection pieces 109 are connected between the battery cells 113. A second connection portion 1093 is provided on the electrode connection piece 109. The first connection portion 1171 is used to connect with the second connection portion 1093. Further, the first connection portion 1171 is an opening on the collector 117, and the second connection portion 1093 is a connecting piece capable of mating with the opening. The connecting piece is a convex block that is inserted and mated with the opening, and the convex block and the electrode connection piece 109 are an integrally formed structure. During the specific assembly process, after the connecting piece is connected to the opening, the two are fixedly connected by welding.

[0059] As Figure 3 and Figure 6 shown, further, electrode connection pieces 109 are connected to both ends of the plurality of battery cells 113. Along the direction parallel to the axis of the battery cell 113, the ratio of the projected area of the collector 117 to the total projected area of all the electrode connection pieces 109 at one end of the battery cell 113 is greater than or equal to 1 / 3 and less than or equal to 1 / 2. Such a setting makes the area of the electrode connection pieces 109 covered by the collector 117 smaller, which is beneficial to the heat dissipation of the battery cell 113, thereby helping the battery to achieve an ideal charge and discharge state. Preferably, the ratio of the projected area of the collector 117 to the total projected area of all the electrode connection pieces 109 at one end of the battery cell 113 is 1 / 3, 2 / 5 or 1 / 2.

[0060] As Figure 4 , Figure 5 and Figure 7 shown, the thickness of the electrode connection piece 109 is greater than 0.5 mm and less than or equal to 1.8 mm, which is beneficial to improving the firmness of the connection between the electrode connection piece 109 and the positive or negative electrode of the battery cell 113, so as to prevent the electrode connection piece 109 from being welded through. Preferably, the thickness of the electrode connection piece 109 is 0.6 mm, 1 mm, 1.5 mm or 1.8 mm.

[0061] In a specific embodiment, the sum of the numbers of the positive electrode plate 112, the negative electrode plate 114 and the electrode connection piece 109 of the present application is 17. There are two collectors 117 in total, and they are distributed at both ends of the battery cell 113. Therefore, there are at least 17 collection points on the two collectors 117, and each collection point respectively collects different positive electrode plates 112, negative electrode plates 114 and electrode connection pieces 109.

[0062] As Figure 4 , Figure 5 and Figure 8As shown, further, a recessed structure 1091 is provided in the area where the electrode connecting piece 109 is connected to the battery cell 113, and a protruding structure 1133 is provided at the end of the battery cell 113. When the electrode connecting piece 109 and the battery cell 113 are assembled, the protruding structure 1133 of the battery cell 113 is located within the recessed structure 1091. This is beneficial for shortening the distance of the entire energy device 100 along the axis direction of the battery cell 113, making the energy device 100 compact. Specifically, both ends of the battery cell 113 are convex structures.

[0063] Of course, during the production and processing of the electrode connecting piece 109, the recessed structure 1091 of the electrode connecting piece 109 is formed by stamping. As a result, a protruding-shaped structure 1092 is formed on the opposite side of the recessed structure 1091 of the electrode connecting piece 109, and the protruding structure 1133 of the battery cell 113 can also be connected to the protruding-shaped structure 1092 of the electrode connecting piece 109. This will provide sufficient heat dissipation gaps between the end of the battery cell 113 and the electrode connecting piece 109, which is beneficial for the heat dissipation of the battery cell 113.

[0064] As Figure 4 , Figure 5 and Figure 7 shown, further, the electrode connecting piece 109 can be a rhombus structure or a strip structure. In a specific embodiment, during assembly, a rhombus-structured electrode connecting piece 109 can be used at one end of the battery cell group, and a strip-structured electrode connecting piece 109 can be used at the other end. Of course, the electrode connecting pieces 109 of the same structure can be used at both ends of the battery cell group. For example, rhombus-structured electrode connecting pieces 109 (such as Figure 4 or Figure 5 ) can be used at both ends of the battery cell group, or strip-structured electrode connecting pieces 109 (such as Figure 7 ) can be used at both ends of the battery cell group.

[0065] Please also refer to Figure 9 and Figure 10 . In a specific embodiment, conductive members 116 are respectively connected between the BMS board 111 and the positive electrode plate 112 and the negative electrode plate 114. One side of a conductive member 116 is used for being attached to the positive electrode plate 112 or the negative electrode plate 114, and the other side is used for being attached to the BMS board 111. By providing the conductive member 116 between the positive electrode plate 112 or the negative electrode plate 114 and the BMS board 111, the electrical contact between the two is made more stable.

[0066] As Figure 10, Further, a plurality of pins 1161 are provided at the edge of the conductive member 116, and jacks mating with the pins 1161 are provided on the BMS board 111. The conductive member 116 is a sheet-like structure. Preferably, the conductive member 116 is a square sheet-like structure. The pins 1161 are provided around the square sheet-like structure, and the pins 1161 are arranged on the same side of the conductive member 116. During installation, the pins 1161 are inserted into the jacks, and then the conductive member 116 is welded to the BMS board 111 by welding, which increases the connection stability and firmness between the two. When assembling, the positive electrode plate 112 or the negative electrode plate 114 is located below, the conductive member 116 is in the middle, and the BMS board 111 is above. Then, the positive electrode plate 112 or the negative electrode plate 114 is connected to the BMS board 111 by screwing. The sheet-like conductive member 116 is beneficial to its full contact and fit with the BMS board 111 and the positive electrode plate 112 or the negative electrode plate 114, maintaining a good electrical signal connection. Of course, the connection between the positive electrode plate 112 or the negative electrode plate 114 and the BMS board 111 can also be other fixing methods, such as snap connection, bonding, tin soldering, etc., as long as the normal connection between the two can be ensured.

[0067] In a specific embodiment, the acquisition member 117 is connected to the BMS board 111 through a wire harness, so that the acquisition member 117 can timely transmit the information of the battery cell 113 collected to the BMS board 111, and then control the charging and discharging of the battery cell 113 through the BMS board 111. Of course, the connection between the acquisition member 117 and the BMS board 111 can also be other connection methods other than the wire harness.

[0068] In a specific embodiment, the extending direction of the BMS board 111 is arranged parallel to the axis direction of the battery cell 113, making the layout between the BMS board 111 and the battery cell 113 more compact and saving space.

[0069] Please also refer to Figure 11 , In a specific embodiment, the outer surface of the mounting bracket 104 includes a first mating surface 105. A mounting seat 115 is provided on the mounting bracket 104, and a second mating surface 106 is included on the mounting seat 115. First mating portions 1121 and second mating portions 1122 are respectively provided on the positive electrode plate 112 and the negative electrode plate 114. The first mating portion 1121 is used to cooperate with the first mating surface 105, and the second mating portion 1122 is used to cooperate with the second mating surface 106. The setting of multiple mating portions increases the mounting stability of the positive electrode plate 112 and the negative electrode plate 114.

[0070] In a specific embodiment, a groove is formed on one surface of the mounting seat 115, and this groove is used to mount the BMS board 111. The BMS board 111 is fixed in the groove of the mounting seat 115 by screwing.

[0071] Further, both the first mating portion 1121 and the second mating portion 1122 of the positive electrode sheet 112 extend towards the same side of the positive electrode sheet 112, and both the first mating portion 1121 and the second mating portion 1122 of the negative electrode sheet 114 extend towards the same side of the negative electrode sheet 114. Specifically, the first mating portion 1121 and the second mating portion 1122 are part of the positive electrode sheet 112. After the first mating portion 1121 is bent towards one side of the positive electrode sheet 112, it is bent again to form the second mating portion 1122. Similarly, after the first mating portion 1121 of the negative electrode sheet 114 is bent towards one side of the positive electrode sheet 112, it is bent again to form the second mating portion 1122. In specific operations, both the first mating portion 1121 and the second mating portion 1122 extend towards the side of the mounting bracket 104 to facilitate stable connection with the upper BMS board 111.

[0072] Further, an inclined surface 1123 is formed at the connection of the first mating portion 1121 and the second mating portion 1122 of the positive electrode sheet 112 or the negative electrode sheet 114, which cooperates with an inclined surface of the mounting seat 115 to increase the cooperation degree between the positive electrode sheet 112 or the negative electrode sheet 114 and the mounting seat 115, thereby increasing the stability of the installation of the positive electrode sheet 112 or the negative electrode sheet 114.

[0073] Please also refer to Figure 3 , in a specific embodiment, a limiting portion 123 is further provided on the mounting seat 115. The limiting portion 123 is used for limiting and cooperating with the side surface of the positive electrode sheet 112 or the negative electrode sheet 114, further increasing the stability of the installation of the positive electrode sheet 112 or the negative electrode sheet 114. It is also beneficial for the operator to quickly cooperate the positive electrode sheet 112 or the negative electrode sheet 114 with the mounting seat 115 when installing the positive electrode sheet 112 or the negative electrode sheet 114, improving the assembly efficiency.

[0074] In a specific embodiment, in order to reduce the shaking of the battery cell 113 within the mounting bracket 104, a plurality of fitting portions 107 adapted to assemble the battery cell 113 are provided on the mounting bracket 104, and a limiting member 108 for limiting the movement of the battery cell 113 is provided within the fitting portion 107. Generally, the fitting portion 107 is a mounting groove. During assembly, the battery cell 113 is assembled within the mounting groove. Through the setting of the limiting member 108, the shaking of the battery cell 113 is restricted, usually restricting the shaking of the battery cell 113 in its axial and radial directions, which can effectively prevent the outer wall of the battery cell 113 from being damaged due to large shaking, so as to prevent liquid leakage.

[0075] Further, the limiting member 108 protrudes from the inner wall of the assembling portion 107 into the inner cavity of the assembling portion 107, and the surface of the limiting member 108 that cooperates with the battery cell 113 is a guiding surface. When the battery cell 113 is assembled into the assembling portion 107, the guiding surface is conducive to guiding the movement of the battery cell 113 into the assembling portion 107, and the interference fit between the limiting member 108 and the outer wall of the battery cell 113 realizes the limitation of the battery cell 113 in the assembling portion 107.

[0076] Further, the battery cell 113 is a cylindrical battery cell 113, the assembling portion 107 is a circular assembling portion 107, and the ratio of the length of the limiting member 108 in the radial direction of the battery cell 113 to the length of the diameter of the battery cell 113 is greater than or equal to 0.02 and less than or equal to 0.05. With such a setting, while ensuring that the limiting member 108 plays a role in limiting the battery cell 113, the limiting member 108 also occupies a relatively small space in the radial direction of the assembling portion 107. Therefore, when planning the assembling portion 107, the overall size of the assembling portion 107 will not be occupied by a large size of the limiting member 108, which helps the design of the compactness of the energy device 100. Preferably, the ratio of the length of the limiting member 108 in the radial direction of the battery cell 113 to the length of the diameter of the battery cell 113 is 0.02, 0.03 or 0.05.

[0077] Such as Figure 12 、 Figure 14 and Figure 15 In a specific embodiment, a supporting portion 118 is provided at the end of the assembling portion 107. In the axial direction of the battery cell 113, the ratio of the projected area of the supporting portion 118 to the projected area of a single end face 1131 of the battery cell 113 is greater than or equal to 0.002 and less than or equal to 0.003. Such a setting is also to ensure that while the limiting member 108 plays a role in limiting the battery cell 113, the limiting member 108 occupies a relatively small space.

[0078] The supporting portion 118 is used to limit the battery cell 113 during assembly so that the battery cell 113 remains within the assembling portion 107.

[0079] Please also refer to Figure 13, Further, in the axial direction of the battery cell 113, the ratio of the projected area of the support portion 118 to the projected area of the end face 1131 of a single battery cell 113 is greater than or equal to 0.0025 and less than or equal to 0.0028. Preferably, the ratio of the projected area of the support portion 118 to the projected area of the end face 1131 of a single battery cell 113 is 0.0025, 0.0026 or 0.0028. Such a setting makes the area of the support portion 118 smaller, and further makes the diameter of the through hole 110 at the end of the assembly portion 107 larger, which is beneficial to the heat dissipation of the battery cell 113 and also beneficial to the battery cell 113 to leak out more parts through the through hole 110 for connection with the remaining electrode connection pieces 109 or the positive connection piece or the negative connection piece.

[0080] In a specific embodiment, a limiting member 108 is provided at any one of the middle part and both ends of the assembly portion 107. Arranging a plurality of limiting members 108 in the axial direction of the battery cell 113 further helps to limit the swaying of the battery cell 113 in the assembly portion 107 and improves the stability of the battery cell 113.

[0081] Specifically, the limiting member 108 is a bump formed radially inward from the inner wall of the assembly portion 107.

[0082] In a specific embodiment, a plurality of limiting members 108 are provided. Preferably, three limiting members 108 are provided on the inner wall of an assembly portion 107. The three limiting members 108 can be on the same horizontal plane 120 in the axial direction or on different horizontal planes 120.

[0083] Such as Figure 16 , In a specific embodiment, a shock-absorbing structure 119 is provided on the mounting bracket 104. Further, the shock-absorbing structure 119 is a shock-absorbing foam provided on the outer periphery of the mounting bracket 104. It is beneficial to buffer the swaying of the mounting bracket 104 and the battery cell 113 in the housing and reduce the occurrence of damage to the battery cell 113.

[0084] Such as Figure 1 , Further, heat dissipation slots 122 are provided on the housing. The heat dissipation slots 122 are provided on two opposite faces of the housing to facilitate convection. Specifically, they are provided in the up and down directions of the housing. The setting of the heat dissipation slots 122 is beneficial to dissipate the heat generated when the battery cell 113 is charging or discharging.

[0085] Such as Figure 1 , A handle 121 is provided on the upper part of the housing. The handle 121 is beneficial for carrying the energy device 100 so that the energy device 100 can be assembled with other devices for charging or discharging the energy device 100.

[0086] In a specific embodiment, the ratio of the area of the side wall 1132 of the battery cell 113 located within the assembly portion 107 to the area of the entire side wall 1132 of the battery cell 113 is greater than or equal to 1 / 3 and less than or equal to 1 / 2. Such a setting ensures that the area enclosed within the assembly portion 107 does not exceed half of the side wall 1132 of the battery, which is conducive to the heat dissipation of the battery cell 113 and alleviates the occurrence of spontaneous combustion. Preferably, the ratio of the area of the side wall 1132 of the battery cell 113 located within the assembly portion 107 to the area of the entire side wall 1132 of the battery cell 113 is 1 / 3, 2 / 5, or 1 / 2.

[0087] As Figure 17 , this application also provides an outdoor working device, which includes the above-mentioned energy device 100. The energy device 100 includes: a housing and a plurality of battery cells 113 disposed within the housing; the plurality of battery cells 113 are configured as follows: a first battery cell group, including two rows of output battery cell groups 101 having the same height on a plane 120, and the output battery cell groups 101 are configured to be connected to the positive or negative electrode of the energy device 100 to output electrical energy externally; a second battery cell group, including an odd-row battery cell group 102 and an even-row battery cell group 103, and the odd-row battery cell group 102 and the even-row battery cell group 103 are arranged in an alternating manner on the plane 120; wherein, the height of the output battery cell groups 101 is different from the heights of both the odd-row battery cell groups 102 and the even-row battery cell groups 103.

[0088] The outdoor working device includes a main frame 200, a seat 400, a power output assembly 600, a traveling assembly 500, an operation assembly 300, and a power supply device.

[0089] Further, the main frame 200 extends in a first linear direction parallel to its front-rear direction on the working surface. Among them, the seat 400 is installed on the main frame 200 for the user to sit. The main frame 200 is also used to install the power output assembly 600, the traveling assembly 500, the operation assembly 300, and the power supply device. The power supply device is used to provide an energy source for the electrical units of the entire outdoor working device, such as enabling the cutting assembly to perform cutting operations, and enabling the traveling assembly 500 to support the main frame 200 and the related components on the main frame 200 to travel and for other electrical units to consume electricity. The power supply device includes a battery compartment and a battery pack, and the power supply device is specifically the above-mentioned energy device 100.

[0090] The power output component 600 is a workpiece for realizing the tool function. In this embodiment, the outdoor working device is a ride-on mower, and the power output component 600 is specifically a cutting component for outputting power to realize the mowing function of the ride-on mower. The cutting component is set to be 2 groups or 3 groups. The cutting component is arranged below the main frame 200. In one embodiment, the cutting component includes: a cutter head, a mowing element, and a cutting motor. The mowing element is used for cutting vegetation such as grass when rotating at a high speed. For example, the mowing element is a blade for cutting the vegetation on the lawn. The cutter head forms a mowing space for accommodating the mowing element, and at least part of the mowing element is located in the mowing space. In some embodiments, the number of mowing elements can be 2, and correspondingly, the number of cutting motors is also 2. The two cutting motors independently drive the two mowing elements respectively. In some embodiments, the number of mowing elements can be 3, and correspondingly, the number of cutting motors is also 3. The three cutting motors independently drive the three mowing elements respectively.

[0091] Of course, the power output component 600 can also be detached from the outdoor working device. In some embodiments, it can be understood that the power output component 600 can be replaced with other components. Therefore, the outdoor working device can not only cut vegetation, but also replace the cutting component with functional components such as snow shoveling, snow sweeping, snow blowing, and flushing. Those skilled in the art should be able to adaptively replace various functional components without creative labor, and the above should all be included in the protection scope of this embodiment.

[0092] The traveling component 500 includes traveling wheels arranged on the main frame 200 and a traveling motor for driving the traveling wheels. The traveling wheels are arranged on both sides of the main frame 200 so that the center of gravity of the outdoor working device is kept within the main frame 200 to reduce the probability of the outdoor working device tipping over during traveling. In one embodiment, the number of traveling wheels is set to 4, including 2 front traveling wheels and 2 rear traveling wheels. The front traveling wheels can be universal wheels. The traveling motor is connected to the rear traveling wheels and drives the rear traveling wheels to rotate. The 2 rear traveling wheels are both matched with the traveling motor, and the rotational speeds of the 2 traveling motors can be the same or different. When the user rides the outdoor working device straight ahead, the rotational speeds of the two traveling motors are approximately the same; when the user rides the outdoor working device to turn, the rotational speeds of the two traveling motors are different, and the outdoor working device turns to the side with the lower rotational speed of the traveling motor. In some embodiments, the diameter of the front traveling wheels is smaller than that of the rear traveling wheels. Of course, the number of traveling wheels can also be set to 3 or 5.

[0093] In one embodiment, the traveling wheels can be configured as a traveling device of other structures for supporting the outdoor working device to travel.

[0094] The operation component 300 includes a left joystick and a right joystick disposed on the left and right sides of the outdoor working device. The user controls the left and right joysticks to move the outdoor working device forward, backward, or turn. The operation component 300 can also be a steering wheel capable of controlling the outdoor working device. This application also includes a brake component, which is disposed on the upper surface in front of the main frame 200 for the user to step on to control the operating state of the outdoor working device.

[0095] The power supply device is arranged at the rear of the outdoor working device. The power supply device includes a battery pack, a BMS control board for controlling the output and input of the battery pack, and a battery compartment for installing the battery pack. The battery pack is specifically the above-mentioned energy device 100. The battery pack is electrically connected to the electrical connection terminals on the battery compartment through the electrical connection terminals on it to supply power to the outdoor working device. Preferably, the battery compartment can be set to accommodate battery packs with different capacitances to increase the adaptability of the outdoor working device to different battery packs. Among them, the battery pack can also be removed to supply power to other electric tools, increasing the versatility of the battery pack. Compared with the traditional use of fossil fuels as the energy source, the outdoor working device of this application is more environmentally friendly and more in line with the long-term development plan. Preferably, the battery pack is preferably a lithium iron phosphate battery core or a ternary lithium battery core.

[0096] As Figure 18 、 Figure 19 and Figure 20 shown, it is a schematic structural diagram of the outdoor working device in another embodiment.

[0097] The outdoor working device can be implemented as an agricultural working vehicle, specifically exemplified as a UTV vehicle, such as Figure 18 and Figure 19 or a tractor, such as Figure 20 . The battery compartment can be arranged at the front of the vehicle body of the UTV vehicle or the tractor. The battery compartment cover that can be opened is provided at the top of the battery compartment, and the battery pack is arranged inside the battery compartment. Of course, the battery pack 100 can also be arranged under the seat of the UTV vehicle or the tractor.

[0098] The connection between the battery pack 100 and the UTV vehicle or the tractor is a detachable connection for easy replacement of the battery pack 100.

[0099] In this embodiment, the operation component 300 is the steering wheel 300 on the UTV vehicle or the tractor. The steering wheel 300 can be used to control the steering of the UTV vehicle or the tractor, and a display screen can be positioned on the steering wheel 300.

[0100] Specifically, the display screen can display the power of the battery pack 100, which helps the user judge the working area of the outdoor working device according to the remaining power to replace the battery pack 100.

[0101] The display screen can also display the information of the battery cell 113 collected in real time by the electrode connection piece 109, the positive electrode piece 112 or the negative electrode piece 114, which is convenient for users or maintenance personnel to accurately obtain the position of the faulty battery cell 113 in case of a fault, so as to perform timely maintenance or replacement of the battery cell 113.

[0102] Of course, the display screen can also display the operating temperature of the battery pack 100. Since too high or too low temperature will affect the actual endurance of the battery, and too high temperature will cause spontaneous combustion of the battery pack 100, resulting in dangerous accidents. Through the display screen, the situation of the operating temperature of the battery pack 100 can be understood in time, and corresponding measures can be taken, such as shutting down and other processing methods.

[0103] The steering wheel 300 is located in front of the seat on the vehicle frame, and its upper surface can be inclined at a certain angle towards the seat, which is convenient for the user to operate the steering wheel 300 and can be more facing the user's face, so as to facilitate the user to view the display screen. The steering wheel 300 can also be set to a structure with adjustable angle to meet the needs of different users for the inclination angle of the display screen. The steering wheel 300 can also be set to be height-adjustable. When users of different heights use it, they can adjust it according to their own height requirements. The height of the steering wheel can be adjusted manually or electrically.

[0104] Exemplarily, Figure 18 and Figure 19 both are UTV vehicles. Among them, Figure 18 the shown one is a UTV vehicle with a single-row seat, Figure 19 and the shown one is a UTV vehicle with a double-row seat. Attachment mechanisms, such as a carrying bucket, etc., can be provided at the tails of the UTV vehicle with a single-row seat and the UTV vehicle with a double-row seat.

[0105] Exemplarily, Figure 20 what is shown is a tractor, and a trailer can be hung at its tail.

[0106] This application is not limited to the above specific embodiments. Those of ordinary skill in the art can easily understand that, without departing from the principles and scope of this application, there are many alternative solutions for the energy equipment of this application. The protection scope of this application shall be subject to the content of the claims.

Claims

1. An outdoor working equipment, characterized in that: include: A power output assembly configured to output power to perform outdoor work; A walking assembly, configured to support the outdoor working equipment in walking; and, Energy equipment, configured to provide electrical energy to the outdoor working equipment; The energy device comprises a housing, in which is arranged: a plurality of battery cells configured to be installed in the housing; The mounting bracket is arranged in the shell, and a plurality of assembly parts for mounting the battery cells are arranged in the mounting bracket, and each of the assembly parts is provided with a limiting member for limiting the movement of the battery cells.

2. The outdoor working equipment according to claim 1, characterized in that: The limiting member is arranged to protrude from the inner wall of the assembling portion into the assembling portion.

3. The outdoor working equipment according to claim 1, characterized in that: The battery cell is a cylindrical battery cell, the assembly portion is a circular assembly portion, and the ratio of the length of the limiting member in a direction parallel to the battery cell axis to the length of the battery cell in the axial direction is greater than or equal to 0.02 and less than or equal to 0.

05.

4. The outdoor working equipment according to claim 1, characterized in that: A limiting portion is provided at the end of the assembly portion, and along the axial direction of the battery cell, the ratio of the projection area of ​​the limiting portion to the projection area of ​​a single end face of the battery cell is greater than or equal to 0.002 and less than or equal to 0.

003.

5. The outdoor working equipment according to claim 4, characterized in that: In the direction along the axis of the battery core, the ratio of the projection area of ​​the limiting portion to the projection area of ​​the end surface of a single battery core is greater than or equal to 0.0025 and less than or equal to 0.0028.

6. The outdoor working equipment according to claim 1, characterized in that: The ratio of the area of ​​the side wall of the battery core located in the assembly portion to the area of ​​the entire side wall of the battery core is greater than or equal to 1 / 3 and less than or equal to 1 / 2.

7. The outdoor working equipment according to claim 1, characterized in that: The limiting member is disposed at the middle portion of the assembly portion and at either end thereof.

8. The outdoor working equipment according to claim 1, characterized in that: The shortest distance between the battery cells assembled on the assembly portion is greater than or equal to 2 mm.

9. The outdoor working equipment according to claim 1, characterized in that: The mounting bracket includes a first bracket and a second bracket, and the first bracket and the second bracket are both provided with an assembly portion.

10. The outdoor working equipment according to claim 9, characterized in that: Electrode connecting sheets are connected between the battery cells, and the first bracket and the second bracket are both provided with through holes for the electrode connecting sheets to leak out and connect to the assembly part.

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