Drive control device

Abstract

The utility model relates to a drive control device which comprises an outer shell, an inner shell assembled on the outer shell and an installation support connected to the inner shell, the installation support is used for installing a power assembly, the inner shell is used for installing a circuit board assembly, and the circuit board assembly is electrically connected with the power assembly. And the inner shell is detachably connected with the outer shell. The circuit board assembly is installed in the inner shell, the inner shell and the outer shell are detachably assembled, and overall prefabricated modular installation is achieved. And the inner shell and the mounting bracket are independent structures and are assembled and connected. The circuit board assembly is correspondingly installed in the inner shell, the power assembly is correspondingly installed on the installation support, and the inner shell and the installation support are integrally installed in the outer shell. The inner shell and the outer shell are locked and connected through a fastener, and disassembly and assembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of light shielding, in particular to an electric curtain, and more particularly to a drive control device. Background Art

[0002] An electric curtain is provided with a circuit board assembly for controlling the operation of a motor. The circuit board assembly is directly installed inside a casing, and then the opening of the casing is closed by a cover to limit the installation of the circuit board assembly inside the casing. For example, Chinese published document CN218128026 U discloses a motor assembly for a curtain and a draw curtain. The control circuit board includes a first circuit board and a second circuit board, and the first circuit board and the second circuit board are directly installed inside the casing.

[0003] However, the driving device of the electric curtain is also provided with a driving motor and other cooperating transmission mechanisms. The control circuit board is directly installed on the casing, which is inconvenient for connecting the driving wiring of the driving motor, and there are technical problems of inconvenient replacement and maintenance, so improvement is needed. Summary of the Utility Model

[0004] To overcome the problems existing in the related art, an embodiment of the utility model provides a drive control device.

[0005] According to a first aspect of an embodiment of the utility model, a drive control device is provided, which includes a housing, an inner housing assembled to the housing, and a mounting bracket connected to the inner housing. The mounting bracket is used for mounting a power assembly, the inner housing is used for mounting a circuit board assembly, the circuit board assembly is electrically connected to the power assembly, and the inner housing is detachably connected to the housing.

[0006] In one embodiment, a plurality of limiting ribs are spaced and protruded on the outer peripheral wall of the inner housing, and the limiting ribs are slidably fitted to the inner peripheral wall of the housing.

[0007] In one embodiment, a wire routing groove is formed on the mounting bracket and guides towards the circuit board assembly.

[0008] In one embodiment, the mounting bracket includes two side frames, and the wire routing groove is formed between the two side frames.

[0009] In one embodiment, a guiding member is provided on the inner housing, and a guiding hole is formed on the guiding member. The guiding hole is located between the wire routing groove and the circuit board assembly.

[0010] In one embodiment, the inner housing is provided with a plurality of sliding grooves, and the circuit board assembly is correspondingly inserted into the sliding grooves.

[0011] In one embodiment, a receiving space is formed inside the inner shell. The circuit board assembly at least includes a circuit board. The control board is inserted into the receiving space and is electrically connected to the power assembly.

[0012] In one embodiment, the circuit board assembly further includes a power supply board or a lithium battery. The power supply board or the lithium battery is installed in the receiving space and is electrically connected to the control board.

[0013] In one embodiment, the inner shell is provided with a partition. The partition divides the receiving space into an upper space and a lower space. The control board is located in the upper space, and the power supply board or the lithium battery is located in the lower space.

[0014] In one embodiment, the drive control device includes a tail end cover. The tail end cover is provided with at least one functional hole, and the circuit board assembly is provided with a functional member corresponding to the functional hole.

[0015] The technical solutions provided by the embodiments of the present invention may include the following beneficial effects: The circuit board assembly is installed in the inner shell. The inner shell and the outer shell are detachably assembled to achieve overall prefabricated modular installation. The inner shell and the mounting bracket are independent structures and are assembled and connected to each other. The circuit board assembly is correspondingly installed in the inner shell, and the power assembly is correspondingly installed in the mounting bracket. The inner shell and the mounting bracket are integrally installed in the outer shell. The inner shell and the outer shell are locked and connected by fasteners, which is convenient for disassembly and assembly.

[0016] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, showing embodiments consistent with the present invention and used together with the specification to explain the principles of the present invention.

[0018] Figure 1 is a schematic structural diagram of a drive control device shown according to an exemplary embodiment.

[0019] Figure 2 is an exploded schematic diagram of a drive control device shown according to an exemplary embodiment.

[0020] Figure 3 is an end face schematic diagram of a circuit board assembly installed in an inner shell and an outer shell shown according to an exemplary embodiment.

[0021] Figure 4 is a three-dimensional schematic diagram of a circuit board assembly installed in an inner shell shown according to an exemplary embodiment.

[0022] Figure 5It is an assembly schematic diagram showing the assembly of the end cap to the housing according to an exemplary embodiment.

[0023] In the figure, there are housing 10; inner housing 20; sliding part 21; partition 22; clamping rib 23; limiting rib 24; stop end 25; sliding groove 26; assembly part 27; support part 28; guiding part 29; guiding hole 291; cutting groove 292; circuit board assembly 30; control board 31; power supply board 32; functional part 33; power assembly 40; mounting bracket 50; wire routing groove 51; side frame 52; end cap 60; clamping part 61; clamping groove 62; functional hole 63; front end cap 70; plugging ring 71; guiding part 72; fastener 80. Detailed implementation manners

[0024] Among them, the attached drawings are only for illustrative purposes, showing only schematic diagrams rather than physical drawings, and should not be construed as a limitation to this patent; in order to better illustrate the embodiments of the present invention, some components in the attached drawings will be omitted, enlarged or reduced, which do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the attached drawings may be omitted.

[0025] In the attached drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components; in the description of the present invention, it should be understood that if terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the attached drawings. It is only for the convenience of describing the present invention 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. Therefore, the terms describing the positional relationship in the attached drawings are only for illustrative purposes and should not be construed as a limitation to this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0026] In the description of the present invention, unless otherwise clearly specified and limited, if terms such as "connection" are used to indicate the connection relationship between components, this term should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Such as Figures 1 to 4As shown in the figure, the present utility model provides a drive control device, which includes a housing 10, an inner housing 20 assembled in the housing 10, and a mounting bracket 50 connected to the inner housing 20. The mounting bracket 50 is used to mount the power component 40, and the inner housing 20 is used to mount the circuit board component 30. The circuit board component 30 and the power component 40 are electrically connected. The inner housing 20 and the housing 10 are locked by fasteners 80 to form a detachable connection structure. Both the inner housing 20 and the mounting bracket 50 are hollow frame structural members, and the overall structural shape is stable and has an internal installation space. The inner housing 20 and the mounting bracket 50 are provided with hole structures for threading cables to conduct wiring and electricity.

[0028] The housing 10 is a thin-walled structural member, and both the mounting bracket 50 and the inner housing 20 are installed inside the housing 10. Among them, the circuit board component 30 is installed in the inner housing 20, and the inner housing 20 and the housing 10 are detachably assembled to achieve overall prefabricated modular installation. The inner housing 20 and the mounting bracket 50 are independent structures and are assembled and connected to each other. The circuit board component 30 is correspondingly installed in the inner housing 20, the power component 40 is correspondingly installed in the mounting bracket 50, and the inner housing 20 and the mounting bracket 50 are integrally installed in the housing 10. The inner housing 20 and the housing 10 are locked and connected by fasteners 80, which is convenient for disassembly and assembly.

[0029] In one embodiment, the inner housing 20 is inserted and slidably connected to the housing 10. The outer peripheral wall of the inner housing 20 and the inner peripheral wall of the housing 10 cooperate to slide to define the installation position and insertion direction of the inner housing 20. Preferably, the housing 10 is provided with a tubular profile, and the inner housing 20 is inserted into the cavity area of the housing 10.

[0030] The outer peripheral wall of the inner housing 20 is defined by the inner peripheral wall of the housing 10. The inner housing 20 has a sliding guiding performance and no swinging property, thereby improving the consistency and accuracy of assembly. Preferably, the housing 10 has a rectangular thin-walled structure, and at least part of the inner housing 20 is set to fit the rectangular thin-walled structure of the housing 10 to form a defining fit.

[0031] Further preferably, a plurality of limiting ribs 24 are distributed at intervals and protrude from the outer peripheral wall of the inner housing 20. The limiting ribs 24 slide and fit with the inner peripheral wall of the housing 10. The limiting ribs 24 are rib structures that locally protrude from the outer peripheral wall of the inner housing 20, and the limiting ribs 24 are distributed around the outer peripheral wall of the inner housing 20. At least part of the contact part between the inner housing 20 and the housing 10 is in contact through the limiting ribs 24, thereby reducing the bonding area and improving the convenience and accuracy of sliding fit.

[0032] Preferably, the inner housing 20 is provided with a sliding part 21 having a rectangular thin-walled structure. At least two limiting ribs 24 are distributed on each rectangular surface of the sliding part 21, and the limiting ribs 24 are slidably abutted and connected with the inner wall surface of the housing 10.

[0033] Further preferably, the inner shell 20 is provided with a stop end 25 which is provided with a plurality of mounting holes. The stop end 25 abuts against the outer shell 10, and the fastener 80 passes through the mounting holes and is locked to the outer shell 10. The inner shell 20 is inserted into the cavity area of the outer shell 10 until the stop end 25 abuts against the end of the outer shell 10 to form a plug-in positioning installation. Preferably, the stop end 25 protrudes from the edge of the sliding portion 21 into a flange shape to adapt to and position the end of the outer shell 10. As a preference, the outer surface of the stop end 25 is flush with the surface of the outer shell 10 to improve the aesthetics.

[0034] The inner shell 20 includes a bracket portion 28 connected to one end of the sliding portion 21 and an assembly portion 27 integrated with the bracket portion 28. The bracket portion 28 includes two or more connecting walls which are connected to the assembly portion 27, and there is a hole structure between adjacent two connecting walls for the wires of the circuit board assembly 30 to shuttle through. The assembly portion 27 is connected to the mounting bracket 50 to form a detachable mounting structure. Preferably, the connecting walls are inclined and the cross-sectional dimension of the assembly portion 27 is small.

[0035] In an embodiment, a wire routing groove 51 is formed on the mounting bracket 50 and guides towards the circuit board assembly 30. The power assembly 40 is installed in the mounting bracket 50, and one end of the power assembly 40 is electrically connected to the circuit board assembly 30 through a wire. The mounting bracket 50 is provided with the wire routing groove 51 which is arranged along the surface of the mounting bracket 50 to accommodate the wires. Preferably, a signal element is provided at the end of the outer shell, and the wires between the circuit board assembly 30 and the signal element are laid along the wire routing groove 51.

[0036] In a preferred embodiment, the mounting bracket 50 includes two side frames 52, and the wire routing groove 51 is formed between the two side frames 52. The mounting bracket 50 is provided with two side frames 52 on the side facing the inner shell 20, and the side frames 52 are arranged at intervals, and the space between the two side frames 52 forms the wire routing groove 51. The two side frames 52 form a bracket structure which can not only keep the mounting bracket 50 in a complete structural form but also provide a wire routing space and a mounting space.

[0037] Both ends of the side frame 52 are respectively connected to the mounting end and the connecting end of the mounting bracket 50. The power assembly 40 is connected to the mounting end, and the inner shell 20 is connected to the connecting end. Preferably, the side frames 52 are symmetrically distributed on the mounting bracket 50.

[0038] Further, to guide the wires to shuttle through, a guiding member 29 is provided on the inner shell 20, and a guiding hole 291 is formed on the guiding member 29. The guiding hole 291 is located between the wire routing groove 51 and the circuit board assembly 30. The guiding member 29 is arranged on the inner shell 20. Optionally, the guiding member is integrally formed with the inner shell; or the guiding member 29 is detachably connected to the inner shell 20 to define the wiring position of the wires in the inner shell 20 and the mounting bracket 50.

[0039] Preferably, the guiding member 29 is disposed at the end of the inner housing 20, and the guiding hole 291 is in the shape of a long hole to facilitate the threading of the wire. Further preferably, the guiding member 29 is provided with a cutting groove 292 which cuts the narrow side of the guiding member 29 to form an elastic structure. The wire can be snapped into the guiding hole 291 along the cutting groove 292 to facilitate the confinement of the wire. Preferably, the cutting groove 292 is inclined with respect to the narrow side to prevent the wire from detaching.

[0040] In one embodiment, the circuit board assembly 30 is mounted on the inner housing 20 and moves with the inner housing 20. Among them, the inner housing 20 is provided with a plurality of sliding grooves 26, and the circuit board assembly 30 is correspondingly and slidably confined in the sliding grooves 26. The sliding grooves 26 are used to form and confine the edges of the circuit board assembly 30 and to define the mounting position of the circuit board assembly 30. For example, a locking bolt is provided at the open end of the sliding groove 26 to position and limit the movement range of the circuit board assembly 30. Alternatively, the circuit board assembly 30 slides along the sliding groove 26 and is locked to the inner housing 20 by a fastener 80. Alternatively, the circuit board assembly 30 slides along the sliding groove 26. The circuit board assembly 30 is composed of two or more circuit boards, and adjacent circuit boards are connected and combined to be assembled and connected to the inner housing 20.

[0041] In one embodiment, a receiving space is formed inside the inner housing 20. The circuit board assembly 30 at least includes a control board 31 which is inserted into the receiving space. The control board 31 is electrically connected to the power assembly 40. One end of the wire is connected to the control board 31, and the other end passes through the inner housing 20 and is connected to the terminal of the power assembly 40 along the guiding hole 291 and the wire routing groove 51, thereby achieving electrical connection. Not only are the wires not messy, but the wire harness is concentrated and convenient for management.

[0042] Preferably, the circuit board assembly 30 further includes a power supply board 32 or a lithium battery. The power supply board 32 or the lithium battery is mounted in the receiving space and is electrically connected to the control board 31. The power supply board 32 or the lithium battery, as the second part of the components of the circuit board assembly 30, can provide stable power or electrical energy for the control board 31.

[0043] In a preferred embodiment, the inner housing 20 is provided with a partition 22. The partition 22 divides the space distribution of the inner housing 20 into an upper space and a lower space. The control board 31 is located in the upper space, and the power supply board 32 or the lithium battery is located in the lower space. The control board 31 is electrically connected to the power assembly 40. The partition 22 divides the space of the inner housing 20, thereby forming different electrical cavities. The partition 22 can also improve the structural strength and stability of the inner housing 20.

[0044] Both the upper space and the lower space are provided with sliding grooves 26. The control board 31 is confined to the sliding groove 26 in the upper space, and the power supply board 32 is confined to the sliding groove 26 in the lower space. The control board 31 and the power supply board 32 are electrically connected to perform corresponding control functions and power supply functions. The electrical connection between the control board 31 and the power supply board 32 is partitioned, reducing mutual interference and maintaining a suitable electrical connection effect.

[0045] As Figures 2 to 5 shown, in one embodiment, the drive control device includes a tail end cover 60. The tail end cover 60 is provided with at least one functional hole 63, and the circuit board assembly 30 is provided with a functional component 33 corresponding to the functional hole 63. The tail end cover 60 is fastened to the end of the outer shell 10 to close the end of the outer shell 10. The functional hole 63 penetrates the tail end cover 60, so that the functional component 33 on the circuit board assembly 30 is aligned with or passes through the tail end cover 60 to realize the external connection part. For example, the tail end cover 60 is provided with a power cord hole for the power cord to be inserted and connected. Alternatively, the tail end cover 60 is provided with a signal hole, and the functional component 33 is set as a signal terminal, and the signal terminal passes through the signal hole to form an assembly connection.

[0046] In one embodiment, the tail end cover 60 presses the inner shell 20, and the fastener 80 passes through the tail end cover 60 and the inner shell 20 and is locked to the outer shell 10. The tail end cover 60 presses and fixes the inner shell 20 to the outer shell 10, and the three are locked and connected by the fastener 80, with a good connection effect. Preferably, the tail end cover 60 is provided with an extension cavity, and the extension cavity corresponds to the cavity area of the outer shell 10. One end of the circuit board assembly 30 is inserted into the extension cavity and is cooperatively connected with the tail end cover 60 to align the functional component 33 and the functional hole 63 and facilitate the assembly connection.

[0047] Further preferably, the tail end cover 60 includes a clamping portion 61 formed by partial protrusion and a clamping groove 62 provided on the clamping portion 61. The inner shell 20 is provided with a clamping rib 23. The clamping portion 61 is inserted into the outer shell 10, and the clamping rib 23 is clamped and connected with the clamping groove 62. The tail end cover 60 is a cover body structure, and the clamping portion 61 protrudes from the opposite sides of the tail end cover 60 to form a flat elastic cantilever structure. The clamping groove 62 is recessed or penetrated from the outer surface of the clamping portion 61 to form a receiving space. The outer peripheral wall of the inner shell 20 is locally convex with a clamping rib 23, and the clamping portion 61 is inserted into the outer shell 10 and is guided and positioned with the outer shell 10.

[0048] When the elastic deformation of the clamping portion 61 of the tail end cover 60 is complete and after passing over the clamping rib 23, it is reset so that the clamping groove 62 buckles the clamping rib 23 to form a plug-in positioning, and reduces or even avoids reverse pulling out, with a high combination tightness.

[0049] In one embodiment, the drive control device further includes a front end cover 70, the front end cover 70 is installed at the end of the housing 10, and the output end of the power assembly 40 can extend out of the front end cover 70. Alternatively, the front end cover 70 is provided with a drive hole that matches the output end of the corresponding power assembly 40.

[0050] The front end cover 70 is connected to the housing 10 in a plug-in manner, and the assembly of the two is convenient. The mounting bracket 50 is slidably connected to the front end cover 70, and the mounting bracket 50 is slidably connected along the plug-in direction of the front end cover 70 to form a telescopic and movable change of the power output. Preferably, the front end cover 70 is provided with a plug-in ring 71, and the inner side wall of the plug-in ring 71 is provided with a guiding portion 72. The plug-in ring 71 is inserted into the housing 10, and the mounting bracket 50 is slidably connected to the guiding portion 72 to form a guiding fit. Preferably, one of the guiding portion 72 and the plug-in ring 71 is provided as a groove, and the other is provided as a rib to form a complementary guiding fit.

[0051] Those skilled in the art will readily conceive of other embodiments of the present invention after considering the specification and practicing the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the present invention, which follow the general principles of the present invention and include known common knowledge or conventional technical means in the technical field not disclosed by the present invention. The specification and embodiments are only to be considered as exemplary, and the true scope and spirit of the present invention are pointed out by the following claims.

[0052] It should be understood that the present invention is not limited to the exact structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present invention is only limited by the appended claims.

Claims

1. A drive control device, characterized in that: The invention comprises an outer shell (10), an inner shell (20) mounted on the outer shell (10), and a mounting bracket (50) connected to the inner shell (20); the mounting bracket is used to mount a power assembly (40); the inner shell (20) is used to mount a circuit board assembly (30); the circuit board assembly (30) and the power assembly (40) are electrically connected; and the inner shell (20) and the outer shell (10) are detachably connected.

2. The drive control device according to claim 1, characterized in that: The outer peripheral wall of the inner shell (20) is provided with a plurality of limiting ribs (24) protruding at intervals and distributed thereon, and the limiting ribs (24) are slidably fitted to the inner peripheral wall of the outer shell (10).

3. The drive control device according to claim 1, characterized in that: A wiring groove (51) is formed on the mounting bracket (50) and guides the wiring groove in the direction of the circuit board assembly (30).

4. The drive control device according to claim 3, characterized in that: The mounting bracket (50) comprises two side frames (52), and the wiring trough (51) is formed between the two side frames (52).

5. The drive control device according to claim 3, characterized in that: The inner shell (20) is provided with a guide member (29), the guide member (29) is formed with a guide hole (291), and the guide hole (291) is located between the wiring groove (51) and the circuit board assembly (30).

6. The drive control device according to claim 1, characterized in that: The inner shell (20) is provided with a plurality of sliding grooves (26), and the circuit board assembly (30) is correspondingly plugged into the sliding grooves (26).

7. The drive control device according to claim 1, characterized in that: An accommodation space is formed in the inner shell (20), and the circuit board assembly (30) comprises at least a control board (31). The control board (31) is plugged into the accommodation space, and the control board (31) is electrically connected to the power assembly (40).

8. The drive control device according to claim 7, characterized in that: The circuit board assembly (30) further comprises a power board (32) or a lithium battery, wherein the power board (32) or the lithium battery is installed in the accommodation space, and the power board (32) or the lithium battery is electrically connected to the control board (31).

9. The drive control device according to claim 8, characterized in that: The inner shell (20) is provided with a partition (22), the partition (22) distributes the accommodation space into an upper space and a lower space, the control board (31) is located in the upper space, and the power board (32) or the lithium battery is located in the lower space.

10. The drive control device according to claim 1, characterized in that: The drive control device comprises a tail end cover (60), the tail end cover (60) is provided with at least one functional hole (63), and the circuit board assembly (30) is provided with a functional part (33) corresponding to the functional hole (63).

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