Device parallelization device and installation method

Abstract

This invention relates to the field of parallel installation technology, providing a parallel device and installation method for equipment. The parallel device includes a chassis and parallel components. The chassis has an abutment surface and a mounting surface, which are adjacent to each other and arranged at an angle. The parallel components have a first state and a second state. In the first state, both ends of the parallel components are connected to the mounting surface. In the second state, only one end of the parallel components is connected to the mounting surface, and the other end is used to connect to the mounting surface of another chassis when the abutment surfaces of two chassis are in contact. By installing parallel components on the chassis of the equipment, when multiple devices need to be connected, only the installation state of the parallel components on the chassis needs to be adjusted, and the parallel connection of the devices can be quickly completed without complex tools, significantly shortening installation and maintenance time. Connecting two chassis using parallel components can also improve the stability of the equipment after parallel connection.

Description

Technical Field

[0001] This invention belongs to the field of parallel installation technology, and particularly relates to a parallel device and installation method for equipment. Background Technology

[0002] Currently, in fields such as industrial control and power electronics, it is often necessary to use parallel connection devices to install multiple devices of the same specifications (such as power modules and control units) in parallel to achieve the purposes of capacity expansion, redundancy backup, or centralized management. This also makes the equipment layout more organized and saves space. However, most existing devices are fixed in parallel using direct flange connection, welding, or complex bolt arrays, resulting in complex structures and cumbersome operations when connecting devices in parallel. Summary of the Invention

[0003] The purpose of this invention is to provide a device for parallel connection of equipment and an installation method, which aims to solve the technical problems of complex structure and cumbersome operation of existing equipment when it is connected in parallel.

[0004] The present invention is implemented as follows: Firstly, a parallel device for connecting equipment is provided. The parallel device includes a chassis and a parallel component. The chassis has an abutment surface and a mounting surface. The mounting surface and the abutment surface are adjacent to each other and arranged at an angle. The parallel component has a first state and a second state. When the parallel component is in the first state, both ends of the parallel component are connected to the mounting surface. When the parallel component is in the second state, only one end of the parallel component is connected to the mounting surface. The other end of the parallel component is used to connect to the mounting surface of the other chassis when the abutment surfaces of the two chassis abut against each other.

[0005] In an optional embodiment, the mounting surface has a number of connecting components matching the number of the parallel components. Each connecting component includes two mutually spaced mounting holes. When the parallel component is in the first state, both ends of the parallel component are connected to the mounting surface through the two mounting holes fasteners. When the parallel component is in the second state, one end of the parallel component is connected to the mounting surface through the mounting holes fasteners. The other end of the parallel component is used to connect to the mounting surface of the other chassis through the mounting holes fasteners on the other chassis when the abutting surfaces of the two chassis abut against each other.

[0006] In an optional embodiment, the distance between two mounting holes in the same connecting component is a first distance, and the distance between the two mounting holes and the abutting surface is a second distance, wherein the ratio between the first distance and the second distance is greater than or equal to 2.

[0007] In an optional embodiment, there are two abutting surfaces and two mounting surfaces. The two abutting surfaces are arranged opposite each other along a first direction, and the two mounting surfaces are arranged opposite each other along a second direction. The first direction and the second direction are arranged at an angle, and at least one of the parallel components is provided on each mounting surface in the area near the abutting surface.

[0008] In an alternative embodiment, the parallel device further includes a mounting flange, which is detachably connected to the abutment surface of the chassis.

[0009] In an optional embodiment, the mounting surface is further recessed with receiving grooves for accommodating the parallel components. The number of receiving grooves matches the number of parallel components. The receiving grooves are all located in the area of ​​the mounting surface near the abutting surface, and the sidewalls of the receiving grooves facing the abutting surface are provided with clearance openings.

[0010] In an alternative embodiment, the ratio between the length and width of the receiving groove is greater than or equal to 2, and the parallel component is adapted to the shape of the receiving groove.

[0011] In an optional embodiment, the chassis is further provided with a first positioning structure, which is located on the abutment surface. The first positioning structure is used to cooperate with the second positioning structures on other chassis to achieve positioning between adjacent chassis.

[0012] In an alternative embodiment, the first positioning structure includes a protrusion, and the second positioning structure includes a positioning groove that engages with the protrusion.

[0013] Secondly, a device installation method is provided, including the following steps: Arrange the devices in the installation order and keep multiple devices aligned; Adjust the parallel component from the first state to the second state from the equipment chassis, and use fasteners to fasten the parallel component to the two chassis respectively, so that the parallel component is connected between two adjacent devices; The parallel-connected equipment is installed as a whole in the cabinet.

[0014] The technical advantage of the first aspect of this invention is that when the equipment is used alone, the parallel component is in a first state, with both ends of the parallel component connected to the mounting surface, thus allowing the parallel component to be installed on its corresponding chassis. When multiple devices need to be connected in parallel, the contact surfaces of two adjacent chassis can be brought together, and then the two parallel components on the two adjacent chassis can be adjusted to a second state, so that only one end of the parallel component is connected to the mounting surface, and the other end of the parallel component is connected to the mounting surface of the other chassis, thereby realizing the parallel connection between the two chassis. Compared with the prior art, by installing parallel components on the chassis of the equipment, when multiple devices need to be spliced, only the installation state of the parallel components on the chassis needs to be adjusted, and the parallel connection of the equipment can be quickly completed without complex tools, significantly shortening the installation and maintenance time. At the same time, using parallel components to connect two chassis can also improve the stability of the equipment after parallel connection.

[0015] It is understandable that the beneficial effects of the second aspect mentioned above can be found in the relevant descriptions in the first aspect mentioned above, and will not be repeated here. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the parallel device provided in the embodiment of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure of the parallel device provided in the embodiment of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the structure of two chassis in parallel connection according to an embodiment of the present invention. Figure 1 ; Figure 4 This is a schematic diagram of the structure of two chassis in parallel connection according to an embodiment of the present invention. Figure 2 ; Figure 5 yes Figure 3 Enlarged structural diagram at point A; Figure 6 This is a schematic diagram of the structure of two chassis connected in parallel according to an embodiment of the present invention; Figure 7 This is a partial structural diagram of two chassis connected in parallel according to an embodiment of the present invention; Figure 8This is a flowchart illustrating the device installation method provided in an embodiment of the present invention.

[0018] Explanation of reference numerals in the attached figures: 1. Chassis; 11. Mounting surface; 12. Abutment surface; 2. Parallel component; 21. Through hole; 3. Connecting assembly; 31. Mounting hole; 4. Receiving groove; 41. Clearance opening; 5. First positioning structure; 51. Protrusion; 6. Second positioning structure; 61. Positioning groove; 7. Mounting flange; 8. Screw. Detailed Implementation

[0019] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0020] In the description of this invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0021] In this embodiment, according to Figure 1 The XYZ Cartesian coordinate system established in the diagram is defined as follows: the first direction can be the Y-axis direction, the second direction can be the Z-axis direction, and the third direction can be the X-axis direction. Specifically, the side located in the positive X-axis direction is defined as front, and the side located in the negative X-axis direction is defined as back; the side located in the positive Y-axis direction is defined as left, and the side located in the negative Y-axis direction is defined as right; the side located in the positive Z-axis direction is defined as up, and the side located in the negative Z-axis direction is defined as down.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0023] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0024] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0025] Please refer to Figures 1 to 4 As shown, in this embodiment of the invention, a device parallel connection device is provided. The device parallel connection device includes a chassis 1 and a parallel connection component 2. The chassis 1 has an abutment surface 12 and a mounting surface 11. The mounting surface 11 and the abutment surface 12 are adjacent and set at an angle. The parallel connection component 2 has a first state and a second state. When the parallel connection component 2 is in the first state, both ends of the parallel connection component 2 are connected to the mounting surface 11. When the parallel connection component 2 is in the second state, only one end of the parallel connection component 2 is connected to the mounting surface 11. The other end of the parallel connection component 2 is used to connect to the mounting surface 11 of the other chassis 1 when the abutment surfaces 12 of the two chassis 1 abut against each other.

[0026] Specifically, chassis 1 refers to a shell-like structure with a certain amount of accommodating space. Chassis 1 can be the outer shell of equipment, and electrical components are installed inside or on chassis 1 to form power modules or control modules, etc. Mounting surface 11 and contact surface 12 both refer to surface structures with a certain area. When the overall shape of chassis 1 is a cuboid or cube, the included angle between mounting surface 11 and contact surface 12 can be a right angle. The contact surfaces 12 of two chassis 1 can abut each other directly or indirectly. For example, when two contact surfaces 12 abut indirectly, a support member can be provided between the two contact surfaces 12, and the two contact surfaces 12 abut against the support member respectively.

[0027] Parallel component 2 refers to a component with a certain volume, which can be block-shaped, plate-shaped, or column-shaped. Parallel component 2 can be connected to chassis 1 by means of snap-fit, plug-in, or fastener connection, and can adjust itself from the first state to the second state by means of sliding or rotation.

[0028] The parallel connection device provided in this embodiment of the invention has the following characteristics: When a device is used alone, the parallel component 2 is in a first state, with both ends of the parallel component 2 connected to the mounting surface 11, thus allowing the parallel component 2 to be installed on the corresponding chassis 1. When multiple devices need to be connected in parallel, the contact surfaces 12 of two adjacent chassis 1 can be brought into contact with each other, and then both parallel components 2 on the two adjacent chassis 1 can be adjusted to a second state, so that only one end of the parallel component 2 is connected to the mounting surface 11, and the other end of the parallel component 2 is connected to the mounting surface 11 of the other chassis 1, thereby realizing the parallel connection between the two chassis 1. Compared with the prior art, by installing the parallel component 2 on the chassis 1 of the device, when multiple devices need to be spliced, only the installation state of the parallel component 2 on the chassis 1 needs to be adjusted, and the parallel connection of the devices can be quickly completed without complex tools, significantly shortening the installation and maintenance time. At the same time, using the parallel component 2 to connect the two chassis 1 can also improve the stability of the devices after parallel connection.

[0029] It should be noted that by standardizing the specifications and installation method of the parallel component 2, it can be compatible with the parallel connection of multiple devices of the same specifications, reducing manufacturing costs and improving structural reusability. The parallel component 2 is installed on the chassis 1 and can be readily accessed when the devices are connected in parallel, eliminating the need for additional parallel blocks. This reduces the cost and inventory management pressure associated with manufacturing the additional parallel component 2, making parallel connection of devices more convenient.

[0030] In an optional embodiment, please refer to Figure 5 Parallel component 2 can be a parallel plate, which allows parallel component 2 to have a smaller thickness, thereby reducing the space occupied by parallel component 2 after installation.

[0031] In one embodiment, see Figure 5 The mounting surface 11 has a number of connecting components 3 matching the number of parallel components 2. Each connecting component 3 includes two mounting holes 31 spaced apart from each other. When the parallel component 2 is in the first state, both ends of the parallel component 2 are fastened to the mounting surface 11 through the two mounting holes 31. When the parallel component 2 is in the second state, one end of the parallel component 2 is fastened to the mounting surface 11 through the mounting hole 31. The other end of the parallel component 2 is used to be fastened to the mounting surface 11 of the other chassis 1 through the mounting hole 31 when the abutting surfaces 12 of the two chassis 1 abut against each other.

[0032] Specifically, the connecting component 3 refers to the component that can connect the parallel component 2 to the chassis 1. The connecting component 3 can be used to install and fix the parallel component 2 through snap-fit, plug-in, or fastener connection. The mounting hole 31 refers to a hole structure with a certain depth, and the inner wall of the mounting hole 31 can be provided with threads for threaded connection with fasteners. Two mounting holes 31 in the same connecting component 3 can be spaced apart along a third direction.

[0033] Fastener connection refers to the parallel component 2 being fixed to the chassis 1 using fasteners. A through hole 21, whose position matches that of the mounting hole 31, can be provided on the parallel component 2. During installation, the fastener can pass through the through hole 21 and then be threaded into the mounting hole 31. The cap of the fastener can then be used to press and fix the parallel component 2 to the chassis 1, making the installation of the parallel component 2 more convenient and secure.

[0034] In this embodiment, mounting holes 31 are provided on the mounting surface 11 of the chassis 1, and every two mounting holes 31 form a connecting component 3. When the parallel component 2 is in the first state, both ends of the parallel component 2 are connected to the mounting surface 11 by fasteners through the two mounting holes 31 respectively. When the parallel component 2 needs to be adjusted to the second state, one of the fasteners fixing the parallel component 2 can be loosened, allowing the parallel component 2 to be adjusted to the second state after rotating a certain angle. At this time, the other end of the parallel component 2 can be connected to the mounting surface 11 of the other chassis 1 by fasteners through the mounting hole 31 on the other chassis 1 when the abutting surfaces 12 of the two chassis 1 abut against each other, thereby ensuring a more secure and quick connection between the parallel component 2 and the chassis 1.

[0035] In one embodiment, see Figure 5 In the same connecting component 3, the distance between the two mounting holes 31 is the first distance, and the distance between the two mounting holes 31 and the abutment surface 12 is the second distance. The ratio between the first distance and the second distance is greater than or equal to 2. Specifically, the distance between the mounting hole 31 and the abutment surface 12 refers to the shortest distance between the mounting hole 31 and the edge of the abutment surface 12. Since the chassis 1 is usually a cuboid or cube, the abutment surface 12 and the mounting surface 11 are usually perpendicular to each other. In this case, the distance between the mounting hole 31 and the abutment surface 12 refers to the perpendicular distance between the axis of the mounting hole 31 and the abutment surface 12, which can also be considered as the distance along the first direction.

[0036] In this embodiment, two through holes 21 are provided on the parallel component 2, the positions of which match the mounting holes 31, and the distance between the two through holes 21 is also a first distance. When the abutting surfaces 12 of the two chassis 1 abut against each other, the minimum distance between the two mounting holes 31 on the two adjacent chassis 1 is twice the second distance. At this time, the ratio between the first distance and the second distance is set to be greater than or equal to 2, so as to avoid the problem that the parallel component 2 cannot be connected to the two chassis 1 at the same time due to the distance between the two through holes 21 being too small.

[0037] In one specific embodiment, please refer to Figure 5 The first distance is twice the second distance. When the mating surfaces 12 of the two chassis 1 abut against each other, the distance between the two mounting holes 31 on the two adjacent chassis 1 is equal to the first distance, so that the parallel components 2 can be easily switched between the two states.

[0038] In one embodiment, see Figure 1 or Figure 2 There are two abutment surfaces 12 and two mounting surfaces 11. The two abutment surfaces 12 are arranged opposite each other along a first direction, and the two mounting surfaces 11 are arranged opposite each other along a second direction. The first direction and the second direction are arranged at an angle, and at least one parallel component 2 is provided on each mounting surface 11 near the abutment surface 12. Specifically, both the abutment surface 12 and the mounting surface 11 refer to surface structures with a certain area. The angle between the first direction and the second direction can be a right angle. In this case, by arranging the two abutment surfaces 12 opposite each other along the first direction and the two mounting surfaces 11 opposite each other along the second direction, the abutment surfaces 12 and the mounting surfaces 11 can form a rectangle.

[0039] In this embodiment, two mounting surfaces 11 arranged opposite each other along a second direction are provided on the chassis 1, and at least one parallel component 2 is provided on each mounting surface 11 near the abutment surface 12. When the chassis 1 is connected in parallel with an adjacent chassis 1, the parallel components 2 are provided on both sides of the abutment surface 12 to connect the two chassis 1, increasing the number of connection points when the equipment is connected in parallel, which can improve the stability of the equipment after parallel connection.

[0040] In one embodiment, see Figure 1 or Figure 2The parallel connection device also includes a mounting flange 7, which is detachably connected to the contact surface 12 of the chassis 1. Specifically, the mounting flange 7 refers to a connecting component of a certain length, which can be made by bending sheet metal. The mounting flange 7 can be detachably connected to the contact surface 12 of the chassis 1 by means of snap-fit, plug-in, or fastener connection. In this embodiment, by detachably providing the mounting flange 7 on the contact surface 12 of the chassis 1, the equipment can be fixed to the cabinet through the mounting flange 7, making the installation and fixing of the equipment more convenient. At the same time, by detaching the mounting flange 7 from the contact surface 12, when the contact surfaces 12 of the two chassis 1 abut against each other, the mounting flange 7 installed on the contact surface 12 can be removed, making the parallel connection of the equipment more convenient.

[0041] In one embodiment, see Figures 3 to 5 The mounting surface 11 is also recessed with a receiving groove 4 for accommodating the parallel component 2. The number of receiving grooves 4 matches the number of parallel components 2. The receiving grooves 4 are all located on the mounting surface 11 in the area close to the abutment surface 12. The receiving groove 4 has an avoidance opening 41 on the side wall facing the abutment surface 12.

[0042] Specifically, the receiving groove 4 refers to a groove structure with a certain depth, which can be formed on the side wall of the chassis 1 by stamping or machining. The clearance opening 41 refers to the structure formed by removing a portion of the side wall of the receiving groove 4. In this embodiment, by providing the receiving groove 4 on the mounting surface 11 of the chassis 1, the parallel component 2 can be installed into the receiving groove 4 during installation. Through the receiving effect of the receiving groove 4, the parallel component 2 is prevented from protruding too much from the mounting surface 11, making the appearance of the parallel component 2 flatter after installation.

[0043] In addition, a clearance opening 41 is provided on the side wall of the receiving groove 4 facing the contact surface 12. When the parallel component 2 is adjusted from the first state to the second state, the parallel component 2 can extend from the clearance opening 41 to the outside of the receiving groove 4, so that when the parallel component 2 is connected between the two chassis 1, it can still be installed in the receiving groove 4.

[0044] In one embodiment, see Figure 5 The ratio between the length and width of the receiving groove 4 is greater than or equal to 2, and the shape of the parallel component 2 is adapted to the receiving groove 4. Specifically, the length of the receiving groove 4 can refer to the dimension along a third direction. The width of the receiving groove 4 can refer to the dimension along a first direction.

[0045] In this embodiment, the parallel component 2 is adapted to the shape of the receiving groove 4 by ensuring that the ratio between the length and width of the receiving groove 4 is greater than or equal to 2. This allows the receiving groove 4 to still accommodate the ends of both parallel components 2 when the parallel component 2 is adjusted from the first state to the second state, making the installation of the parallel component 2 more convenient.

[0046] In one embodiment, see Figure 5 The chassis 1 is also provided with a first positioning structure 5, which is located on the abutment surface 12. The first positioning structure 5 is used to cooperate with the second positioning structures 6 on other chassis 1 to achieve positioning between adjacent chassis 1. Specifically, the first positioning structure 5 and the second positioning structure 6 refer to components that can position objects. In this embodiment, by providing a first positioning structure 5 on the chassis 1, which is located on the abutment surface 12, and cooperating with the second positioning structures 6 on other chassis 1 to achieve positioning between adjacent chassis 1, the positioning between the two chassis 1 is made more accurate.

[0047] In an optional embodiment, please refer to Figure 7 Two abutment surfaces 12 are provided on the chassis 1. The first positioning structure 5 can be provided on one of the abutment surfaces 12, and a second positioning structure 6 can be provided on the other abutment surface 12 of the chassis 1, so that multiple chassis 1 can be connected in parallel in sequence along the first direction.

[0048] In one embodiment, see Figure 7 The first positioning structure 5 includes a protrusion 51, and the second positioning structure 6 includes a positioning groove 61 that engages with the protrusion 51. Specifically, the protrusion 51 refers to a component with a certain height. The protrusion 51 can be integrally formed with the chassis 1, and can be manufactured by stamping or bending. Alternatively, the protrusion 51 can be a separate component, connected to the chassis 1 by welding or fasteners. The positioning groove 61 refers to a groove structure with a certain depth, which can be manufactured by stamping or bending.

[0049] In this embodiment, a protrusion 51 is provided on the abutment surface 12 of the chassis 1, and a positioning groove 61 is provided on the abutment surface 12 of adjacent chassis 1. When the abutment surfaces 12 of the two chassis 1 abut against each other, the protrusion 51 can be inserted into the positioning groove 61, and positioning is achieved through the insertion and cooperation of the two, making the positioning of the two chassis 1 more accurate.

[0050] Secondly, please refer to Figure 8 A device installation method is provided, comprising the following steps: S1: Arrange the devices in the installation order and keep multiple devices aligned.

[0051] Specifically, before assembly, the parallel component 2 is in its first state and is fully installed within the receiving groove 4. Equipment alignment refers to the alignment of the receiving grooves 4 on the chassis 1.

[0052] S2: Adjust the parallel component 2 from the first state to the second state from the equipment chassis 1, and use fasteners to fasten the parallel component 2 to the two chassis 1 respectively, so that the parallel component 2 is connected between the two adjacent devices.

[0053] Specifically, the parallel component 2 is mounted on the chassis 1 by fasteners. When the parallel component 2 is adjusted from the first state to the second state, one of the two fasteners fixing the parallel component 2 can be loosened and the parallel component 2 can be rotated 90°. Then, the end of the parallel component 2 can be connected to another chassis 1 by fasteners.

[0054] S3: Install the parallel-connected equipment as a whole in the cabinet.

[0055] Specifically, after the equipment is installed in the cabinet, it can be connected to the components on the cabinet through the mounting flange 7 on the outside of the chassis 1, which makes the parallel equipment more firmly and reliably fixed in the cabinet.

[0056] The equipment installation method provided in this embodiment of the invention, by installing a parallel component 2 on the equipment chassis 1, allows for quick parallel connection of multiple devices when they need to be spliced, simply by adjusting the installation state of the parallel component 2 on the chassis 1, without the need for complex tools, significantly shortening installation and maintenance time. Furthermore, connecting two chassis 1 using the parallel component 2 also improves the stability of the equipment after parallel connection.

[0057] The above description is merely a preferred embodiment of the present invention and only specifically describes the technical principles of the present invention. These descriptions are only for explaining the principles of the present invention and should not be construed as limiting the scope of protection of the present invention in any way. Based on this explanation, any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention, as well as other specific embodiments of the present invention that can be conceived by those skilled in the art without creative effort, should be included within the scope of protection of the present invention.

Claims

1. A device parallelization apparatus, characterized by, The device includes a chassis and parallel components. The chassis has an abutment surface and a mounting surface. The mounting surface and the abutment surface are adjacent to each other and are arranged at an angle. The parallel components have a first state and a second state. When the parallel components are in the first state, both ends of the parallel components are connected to the mounting surface. When the parallel components are in the second state, only one end of the parallel components is connected to the mounting surface. The other end of the parallel components is used to connect to the mounting surface of the other chassis when the abutment surfaces of the two chassis are in contact with each other.

2. The apparatus of claim 1 connected in parallel, wherein, The mounting surface has a number of connecting components matching the number of the parallel components. Each connecting component includes two mounting holes spaced apart from each other. When the parallel component is in the first state, both ends of the parallel component are connected to the mounting surface through the two mounting holes fasteners. When the parallel component is in the second state, one end of the parallel component is connected to the mounting surface through the mounting holes fasteners. The other end of the parallel component is used to connect to the mounting surface of the other chassis through the mounting holes fasteners on the other chassis when the abutting surfaces of the two chassis abut against each other.

3. The apparatus of claim 2 connected in parallel, wherein, The distance between the two mounting holes in the same connecting component is a first distance, and the distance between the two mounting holes and the abutting surface is a second distance. The ratio between the first distance and the second distance is greater than or equal to 2.

4. The apparatus of claim 1 connected in parallel, wherein, The number of abutting surfaces and mounting surfaces are both two. The two abutting surfaces are arranged opposite each other along a first direction, and the two mounting surfaces are arranged opposite each other along a second direction. The first direction and the second direction are arranged at an angle, and at least one of the parallel components is provided on each mounting surface in the area near the abutting surface.

5. The apparatus of claim 1 connected in parallel, wherein, The parallel connection device further includes a mounting flange, which is detachably connected to the contact surface of the chassis.

6. The apparatus of any one of claims 1 to 5, characterized in that, The mounting surface is also recessed with receiving grooves for accommodating the parallel components. The number of receiving grooves matches the number of parallel components. The receiving grooves are all located on the mounting surface near the abutting surface, and the sidewalls of the receiving grooves facing the abutting surface are provided with clearance openings.

7. The apparatus of claim 6 connected in parallel, wherein, The ratio between the length and width of the receiving groove is greater than or equal to 2, and the parallel component is adapted to the shape of the receiving groove.

8. The apparatus of claim 7 connected in parallel, wherein, The chassis is also provided with a first positioning structure, which is located on the abutment surface. The first positioning structure is used to cooperate with the second positioning structures on other chassis to achieve positioning between adjacent chassis.

9. The apparatus of claim 8 connected in parallel, wherein, The first positioning structure includes a protrusion, and the second positioning structure includes a positioning groove that engages with the protrusion.

10. A device mounting method for connecting a plurality of devices using the device connecting apparatus according to any one of claims 1 to 9, characterized by, Includes the following steps: Arrange the devices in the installation order and keep multiple devices aligned; Adjust the parallel component from the first state to the second state from the equipment chassis, and use fasteners to fasten the parallel component to the two chassis respectively, so that the parallel component is connected between two adjacent devices; The parallel-connected equipment is installed as a whole in the cabinet.

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