Pluggable controller for reclosing circuit breaker

Abstract

A plug-in type controller for a reclosing circuit breaker comprises a housing with an opening at the upper end, and a plurality of first wiring grooves arranged at the bottom of the housing; the wiring board is fixedly arranged at the bottom of the housing, and the front and back surfaces of the wiring board are respectively provided with a first plugging terminal and a second plugging terminal; the second plugging terminal is arranged in a manner of penetrating through the first wiring groove; a switching power supply board; a main board; the upper surface of the operation panel is divided into an operation area and a display area; the display panel is located at the upper end of the operation panel, arranged in the display area and electrically connected with the operation panel through a connector, the display panel, the operation panel, the mainboard and the switching power supply panel are sequentially arranged in an overlapped mode and form an integral circuit board assembly through the connector, and the circuit board assembly is fixedly arranged at the opening of the housing. According to the circuit breaker, the operation panel and the display panel are both arranged above the main board through stacked arrangement, the longitudinal space in the circuit breaker is greatly utilized, the wiring board at the bottom is connected with the metering board in the shell in a pluggable mode, then rapid installation and disassembly are achieved, follow-up maintenance is facilitated, and meanwhile the space utilization rate is high.

Description

Technical Field

[0001] The utility model specifically relates to a plug-in controller for a reclosing circuit breaker. Background Art

[0002] In the related art, a few reclosing circuit breakers are equipped with detachable controllers. Limited by the overall layout of the reclosing circuit breaker, the spatial size of the detachable controller is relatively limited, and it cannot meet the layout requirements of various functional components such as control buttons and display screens. It is also easy to cause accidental touches during on-site operation, which greatly restricts the use function and safety performance of the detachable controller. If the spatial size of the detachable controller is unilaterally increased, the overall structure of the reclosing circuit breaker will be bloated and the reliability of the overall structure will be reduced. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a plug-in controller for a reclosing circuit breaker.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A plug-in controller for a reclosing circuit breaker, comprising:

[0006] A cover shell with an opening at the upper end, wherein a plurality of first wiring slots are provided at the bottom of the cover shell;

[0007] A wiring board is fixedly arranged at the bottom of the housing, and the front and back sides of the wiring board are respectively provided with a first plug-in terminal and a second plug-in terminal; and the second plug-in terminal is arranged through the first wiring slot;

[0008] A switch power board is placed in the housing and is softly connected to the first plug terminal of the wiring board;

[0009] A main board, located at the upper end of the switching power board, and electrically connected to the switching power board through a connector;

[0010] An operation panel, located at the upper end of the main board, and electrically connected to the main board via a connector, and its upper surface is divided into an operation area and a display area;

[0011] A display panel is located at the upper end of the operation panel, is arranged in the display area, and is electrically connected to the operation panel through a connector.

[0012] The display panel, the operation panel, the main board and the switch power supply panel are stacked in sequence and form an integral circuit board assembly through connectors, and the circuit board assembly is fixedly arranged at the opening of the cover shell.

[0013] A plurality of second wiring slots corresponding to the switch power board are arranged on the side wall of the housing, and a third plug-in terminal corresponding to the second wiring slots is arranged on the switch power board.

[0014] The inner wall of the housing is provided with a plurality of supporting columns for supporting the switch power supply board.

[0015] The inner wall of the cover shell is also provided with a slot which forms a limiting match with the switch power supply board.

[0016] The side wall on one side of the opening of the cover shell extends upward to form a supporting wall for supporting the operation panel.

[0017] A positioning column is arranged on the supporting wall.

[0018] A connecting piece for fixedly connecting with the intermediate shell is arranged on the outer side of the side wall of the cover shell, and a through hole is arranged on the connecting piece.

[0019] The beneficial effects of the utility model are as follows: the application arranges the operation panel and the display panel above the main board through a stacked arrangement, which greatly utilizes the longitudinal space inside the circuit breaker. The wiring board at the bottom is connected with the metering board located in the shell through plugging and unplugging, thereby realizing quick installation and disassembly, facilitating subsequent maintenance, and having high space utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic diagram of the structure used in a circuit breaker.

[0021] Figure 2 This is a schematic diagram of the structure of the utility model (with the middle housing omitted).

[0022] Figure 3 It is a structural schematic diagram of the utility model.

[0023] Figure 4 It is a cross-sectional schematic diagram of the utility model.

[0024] Figure 5 It is a schematic diagram of the structure of the circuit board inside the utility model.

[0025] Figure 6 The structure of the cover of the utility model is shown in FIG. Figure 1 .

[0026] Figure 7 The structure of the cover of the utility model is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] As shown in the figure, the utility model discloses a plug-in controller 2 for a reclosing circuit breaker, which is installed in an intermediate housing 1, and the second plug-in terminal at the bottom of the controller is directly plug-in connected to a metering plate 11 installed in the intermediate housing, thereby realizing a quick connection between the two.

[0030] The plug-in controller 2 includes a cover 21 and a terminal board 22, a switch power board 23, a main board 24, an operation panel 25 and a display panel 26 placed in the cover, wherein the switch power board, the main board, the operation panel and the display panel are stacked, thereby utilizing the longitudinal height inside the circuit breaker, and the operation panel, the display panel and the main board are arranged together, thereby reducing the occupied area of ​​the circuit breaker, thereby reducing the volume of the circuit breaker.

[0031] The cover shell is open at the top, and a plurality of first wiring slots 211 are arranged at the bottom of the cover shell. A baffle plate 212 is arranged along the circumference of the outer edge of the first wiring slot to protect the second plug-in terminal.

[0032] The terminal block is fixed at the bottom of the housing, and the first plug-in terminal 222 and the second plug-in terminal 221 are respectively provided on the front and back sides of the terminal block; and the second plug-in terminal is arranged through the first wiring slot. The terminal block is directly fixed to the bottom of the housing by screws, which is convenient for plugging and unplugging with the metering board in the circuit breaker housing, reducing the wiring harness, making the interior tidier, and avoiding the influence of the wiring harness on the product.

[0033] The switch power board is placed in the cover shell and is softly connected to the first plug terminal of the wiring board. The electrical connection between the switch power board and the wiring board is achieved through the soft connection, which can better adapt to different switch power boards.

[0034] The main board is located at the upper end of the switching power board and is electrically connected to the switching power board through a connector. The main board is supported by the connector and arranged above the switching power board. The connector can use pins, which can both play the role of electrical connection and support both.

[0035] The operation panel is located at the upper end of the main board and is electrically connected to the main board through a connector. The upper surface of the operation panel is divided into an operation area and a display area. A plurality of arrays of operation buttons are arranged in the operation area, and the operation panel is independently arranged from the display area. The display panel can be appropriately located in the display area without affecting the normal operation of the operation buttons.

[0036] The display panel is located at the upper end of the operation panel, is arranged in the display area, and is electrically connected to the operation panel through a connector.

[0037] The display panel, the operation panel, the main board and the switch power supply panel are stacked in sequence and form an integral circuit board assembly through connectors, and the circuit board assembly is fixedly arranged at the opening of the cover shell.

[0038] The side wall of the housing is provided with a plurality of second wiring slots 218 corresponding to the switch power board, and the switch power board is provided with third plug terminals 231 corresponding to the second wiring slots. The interface for convenient power supply is connected to the switch power board, and the second wiring slots opened on the side can better cooperate with the third plug terminals.

[0039] The inner wall of the housing is provided with a plurality of support columns 216 for supporting the switching power board. The inner wall of the housing is also provided with a card slot 214 which forms a limit fit with the switching power board. The edge of the circuit board is protruding and fits with the card slot. The circuit board assembly is supported and fixed by the support columns, and the circuit board assembly and the housing can be fastened by screws.

[0040] The side wall of the opening side of the cover shell extends upward to form a support wall 215 for supporting the operating panel, which can better support the operating panel and maintain the distance between the operating panel and the main board when the operating panel is subjected to external force, thereby preventing the connector from being compressed and deformed.

[0041] The support wall is provided with a positioning column 217 to position the operating panel and prevent it from shifting.

[0042] A connecting piece 213 for fixedly connecting with the intermediate shell is disposed on the outer side of the side wall of the shell. A through hole is disposed on the connecting piece for fixing the shell in the intermediate shell to maintain a reliable connection between the two.

[0043] The embodiments should not be regarded as limiting the present invention, but any improvements based on the spirit of the present invention should be within the protection scope of the present invention.

Claims

1. A plug-in controller for a reclosing circuit breaker, characterized in that: It includes: A cover shell with an opening at the upper end, wherein a plurality of first wiring slots are provided at the bottom of the cover shell; A wiring board is fixedly arranged at the bottom of the housing, and the front and back sides of the wiring board are respectively provided with a first plug-in terminal and a second plug-in terminal; and the second plug-in terminal is arranged through the first wiring slot; A switch power board is placed in the housing and is softly connected to the first plug terminal of the wiring board; A main board, located at the upper end of the switching power board, and electrically connected to the switching power board through a connector; An operation panel, located at the upper end of the main board, and electrically connected to the main board via a connector, and its upper surface is divided into an operation area and a display area; A display panel is located at the upper end of the operation panel, is arranged in the display area, and is electrically connected to the operation panel through a connector. The display panel, the operation panel, the main board and the switch power supply panel are stacked in sequence and form an integral circuit board assembly through connectors, and the circuit board assembly is fixedly arranged at the opening of the cover shell.

2. A plug-in controller for a reclosing circuit breaker according to claim 1, characterized in that: A plurality of second wiring slots corresponding to the switch power board are arranged on the side wall of the housing, and a third plug-in terminal corresponding to the second wiring slots is arranged on the switch power board.

3. A plug-in controller for a reclosing circuit breaker according to claim 1, characterized in that: The inner wall of the housing is provided with a plurality of supporting columns for supporting the switch power supply board.

4. A plug-in controller for a reclosing circuit breaker according to claim 3, characterized in that: The inner wall of the cover shell is also provided with a slot which forms a limiting match with the switch power supply board.

5. The plug-in controller for a reclosing circuit breaker according to claim 1, characterized in that: The side wall on one side of the opening of the cover shell extends upward to form a supporting wall for supporting the operation panel.

6. A plug-in controller for a reclosing circuit breaker according to claim 5, characterized in that: A positioning column is arranged on the supporting wall.

7. The plug-in controller for a reclosing circuit breaker according to claim 1, characterized in that: A connecting piece for fixedly connecting with the intermediate shell is arranged on the outer side of the side wall of the cover shell, and a through hole is arranged on the connecting piece.

Images