A power control black box

Abstract

The utility model discloses a power control small black box, including control box, be equipped with power module and control module in control box, be equipped with at least one locating seat in control box, and locating seat includes two interval setting's locating plate and the pressing plate of detachable connection on two locating plate upper end, and the locating groove for accommodating control module is formed between two locating plates, and the both ends of pressing plate are equipped with the first clamping portion, and the second clamping portion that is equipped with with first clamping portion cooperation in locating plate, and the upper surface of control module can be pressed in the pressing plate, and is fixed on locating plate through the clamping cooperation of first clamping portion and second clamping portion. The utility model discloses control module convenient to dismount, and fixed reliably can realize positioning installation fast.

Description

Technical Field

[0001] This utility model relates to the field of control equipment technology, and in particular to a small black box for power control. Background Technology

[0002] Currently, power control boxes typically consist of a control box and internal power and control modules. Existing technologies mostly use screws to secure the control module. This method not only requires precise alignment of the screw holes on the control box and module during installation, which is inconvenient and has poor error tolerance, leading to low assembly efficiency; it also suffers from cumbersome installation processes, reliance on additional tools, easy loss or corrosion of screws, and repeated disassembly and reassembly that can cause thread stripping and decreased connection reliability. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings and deficiencies of the existing technology and to provide a small black box for power control.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a small black box for power control, comprising a control box, wherein a power module and a control module are disposed within the control box; at least one positioning seat is disposed within the control box, the positioning seat comprising two spaced positioning plates and a pressure plate detachably connected to the upper end of the two positioning plates, wherein a positioning groove for accommodating the control module is formed between the two positioning plates; the pressure plate has a first snap-fit ​​portion at both ends, and the positioning plate has a second snap-fit ​​portion that cooperates with the first snap-fit ​​portion; the pressure plate can be pressed against the upper surface of the control module and fixed to the positioning plate by the snap-fit ​​cooperation of the first snap-fit ​​portion and the second snap-fit ​​portion.

[0005] As a preferred embodiment of this utility model, the positioning plate is provided with a plurality of second locking parts at intervals along its height direction; the first locking parts at both ends of the pressure plate can engage with the second locking parts at different height positions to adjust the pressing height of the pressure plate.

[0006] As a preferred embodiment of this utility model, the first snap-fit ​​part and the second snap-fit ​​part are respectively a matching snap hook and snap block or a snap hole and a snap groove.

[0007] As a preferred technical solution of this utility model, the hook is a triangular prism-shaped block structure, and a guide slope is provided on the side of the hook facing the installation direction of the pressure plate.

[0008] As a preferred embodiment of this utility model, the pressure plate is provided with a movable hole, and an elastic pre-tightening plate is connected in the movable hole. The elastic pre-tightening plate can move up and down relative to the pressure plate.

[0009] As a preferred technical solution of this utility model, the elastic pretensioning plate has a protrusion on the side facing the control module. When the pressure plate is not subjected to external force, the lower end surface of the protrusion is lower than the lower end surface of the pressure plate.

[0010] As a preferred embodiment of this utility model, the width of the elastic pretensioning plate is smaller than the width of the movable hole, and the elastic pretensioning plate is located in the middle of the movable hole.

[0011] As a preferred embodiment of this utility model, the control box is provided with at least two positioning seats, and the at least two positioning seats are arranged in a straight line along the length or width direction of the control box.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. The control module is quickly installed and fixed by engaging the first snap-fit ​​part at both ends of the pressure plate with the second snap-fit ​​part on the positioning plate. This structure eliminates the traditional screw locking method, eliminating the need for precise alignment of screw holes and any additional tools during installation, greatly simplifying the operation and significantly improving assembly efficiency.

[0013] 2. By setting multiple second locking parts at intervals along the height direction of the positioning plate, the pressure plate can be matched with locking parts of different heights according to the thickness of different control modules, thereby flexibly adjusting the pressing height of the pressure plate. This design allows a single-specification positioning seat to adapt to a variety of control modules of different sizes, enhancing product versatility and reducing production and inventory costs.

[0014] 3. The elastic pre-tightening plate on the pressure plate can move up and down relative to the pressure plate, and its protrusions can continuously apply elastic pressure to the surface of the control module after the pressure plate is pressed. This structure not only ensures the initial clamping force, but also effectively compensates for possible gap loosening in a vibration environment, greatly improving the reliability and shock resistance of the connection, and avoiding the risk of module loosening due to vibration. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of this utility model; Figure 3 This is a schematic diagram of the structure of the control box base of this utility model; Figure 4 yes Figure 3 A magnified view of part A; Figure 5 This is a front structural diagram of the pressure plate of this utility model; Figure 6 This is a schematic diagram of the back structure of the pressure plate of this utility model.

[0016] Reference numerals: 1. Control box; 2. Power module; 3. Control module; 4. Positioning seat; 5. Positioning plate; 6. Pressure plate; 7. Positioning groove; 8. First snap-fit ​​part; 9. Second snap-fit ​​part; 10. Guide slope; 11. Movable hole; 12. Elastic pre-tightening plate; 13. Protrusion; 14. Base; 15. Box cover. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] like Figure 1-6The power control black box shown includes a control box 1, which includes a base 14 and a cover 15 (using snap-fit ​​or screw fixing, etc.). The control box 1 contains a power module 2 and a control module 3. The control box 1 contains at least one positioning seat 4, which includes two spaced positioning plates 5 and a pressure plate 6 detachably connected to the upper end of the two positioning plates 5. A positioning groove 7 for accommodating the control module 3 is formed between the two positioning plates 5. The pressure plate 6 has a first snap-fit ​​part 8 at both ends, and the positioning plate 5 has a second snap-fit ​​part 9 that cooperates with the first snap-fit ​​part 8. The pressure plate 6 can be pressed against the upper surface of the control module 3 and fixed to the positioning plate 5 by the snap-fit ​​cooperation of the first snap-fit ​​part 8 and the second snap-fit ​​part 9. The improvement of this application lies in the mechanical fixing structure and installation method of the internal modules of the power control black box. As for how the power control black box adjusts the brightness of the display screen, and how the power supply and control module 3 are electrically connected via cables or circuits, these all employ existing mature technologies and are not the focus of this application. In this embodiment, the control module 3 is a commercially available module, such as products from brands like Xiezhu, Weilaiju, and Aolaiwei. The selection of the control module 3 is not the focus of this application. The black box in this embodiment uses a black casing and integrates the control module 3 and the power module 2. The size of the power control black box is typically within the range of (length ≤ 400mm, width ≤ 300mm, height ≤ 60mm), which is a compact design. The specific dimensions of this application are 364mm (length) x 271.5mm (width) x 50mm (height). Within this range and compared to similar power control black boxes, it has higher space utilization and is more compact.

[0020] The control module 3 is quickly installed and fixed by engaging the first snap-fit ​​portion 8 at both ends of the pressure plate 6 with the second snap-fit ​​portion 9 on the positioning plate 5. This structure eliminates the traditional screw locking method, eliminating the need for precise alignment of screw holes and any additional tools during installation, greatly simplifying the operation and significantly improving assembly efficiency.

[0021] The positioning plate 5 has multiple second engaging portions 9 spaced apart along its height direction; the first engaging portions 8 at both ends of the pressure plate 6 can engage with the second engaging portions 9 at different height positions to adjust the pressing height of the pressure plate 6. In this embodiment, the first engaging portion 8 and the second engaging portion 9 are respectively a matching hook and a locking block or a locking hole and a locking groove. The hook is a triangular prism-shaped block structure, and a guide slope 10 is provided on the side of the hook facing the installation direction of the pressure plate 6.

[0022] By providing multiple second latching parts 9 at intervals along the height of the positioning plate 5, the pressure plate 6 can be matched with latching parts of different heights according to the thickness of different control modules 3, thereby flexibly adjusting the pressing height of the pressure plate 6. This design allows a single-specification positioning seat 4 to accommodate various control modules 3 of different sizes, enhancing product versatility and reducing production and inventory costs.

[0023] A movable hole 11 is provided on the pressure plate 6, and an elastic pretensioning plate 12 is connected inside the movable hole 11. The elastic pretensioning plate 12 can move up and down relative to the pressure plate 6. The side of the elastic pretensioning plate 12 facing the control module 3 has a protrusion 13. When the pressure plate 6 is not subjected to external force, the lower end surface of the protrusion 13 is lower than the lower end surface of the pressure plate 6. In this embodiment, the width of the elastic pretensioning plate 12 is smaller than the width of the movable hole 11, and the elastic pretensioning plate 12 is located in the middle of the movable hole 11.

[0024] The elastic pre-tightening plate 12 on the pressure plate 6 can move up and down relative to the pressure plate 6, and the protrusion 13 on it can continuously apply elastic pressure to the surface of the control module 3 after the pressure plate 6 is pressed. This structure not only ensures the initial clamping force, but also effectively compensates for possible gap loosening in a vibration environment, greatly improving the reliability and shock resistance of the connection, and avoiding the risk of module loosening due to vibration.

[0025] The control box 1 has at least two positioning seats 4, and these two positioning seats 4 are arranged in a straight line along the length or width of the control box 1. In this embodiment, four sets are preferably provided. The power module 2 has two sets. The positioning seats 4 are arranged in a straight line inside the control box 1. This modular design concept greatly improves the utilization rate of the internal space of the control box 1. Users can flexibly configure and install different numbers or types of control modules 3 according to actual functional requirements, which meets the development needs of product serialization and modularization.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A power control black box, comprising a control box (1), wherein the control box (1) contains a power module (2) and a control module (3); characterized in that: The control box (1) is provided with at least one positioning seat (4). The positioning seat (4) includes two spaced positioning plates (5) and a pressure plate (6) detachably connected to the upper end of the two positioning plates (5). A positioning groove (7) for accommodating the control module (3) is formed between the two positioning plates (5). The pressure plate (6) is provided with a first snap-fit ​​part (8) at both ends. The positioning plate (5) is provided with a second snap-fit ​​part (9) that cooperates with the first snap-fit ​​part (8). The pressure plate (6) can be pressed against the upper surface of the control module (3) and fixed to the positioning plate (5) by the snap-fit ​​cooperation of the first snap-fit ​​part (8) and the second snap-fit ​​part (9).

2. The power control black box according to claim 1, characterized in that: The positioning plate (5) has a plurality of second snap-fit ​​parts (9) spaced apart along its height direction; the first snap-fit ​​parts (8) at both ends of the pressure plate (6) can engage with the second snap-fit ​​parts (9) at different height positions to adjust the pressing height of the pressure plate (6).

3. The power control black box according to claim 2, characterized in that: The first snap-fit ​​part (8) and the second snap-fit ​​part (9) are respectively a matching snap hook and snap block or a snap hole and a snap groove.

4. The power control black box according to claim 3, characterized in that: The hook is a triangular prism-shaped block structure, and a guide slope (10) is provided on the side of the hook facing the installation direction of the pressure plate (6).

5. The power control black box according to claim 1, characterized in that: The pressure plate (6) has a movable hole (11), and an elastic pretensioning plate (12) is connected inside the movable hole (11). The elastic pretensioning plate (12) can move up and down relative to the pressure plate (6).

6. The power control black box according to claim 5, characterized in that: The elastic pretension plate (12) has a protrusion (13) on the side facing the control module (3). When the pressure plate (6) is not subjected to external force, the lower end face of the protrusion (13) is lower than the lower end face of the pressure plate (6).

7. The power control black box according to claim 5 or 6, characterized in that: The width of the elastic pretension plate (12) is smaller than the width of the movable hole (11), and the elastic pretension plate (12) is located in the middle of the movable hole (11).

8. The power control black box according to claim 1, characterized in that: The control box (1) is provided with at least two positioning seats (4), and the at least two positioning seats (4) are arranged in a straight line along the length or width of the control box (1).

Images