Liquid crystal display type intelligent controller

Abstract

The utility model relates to a liquid crystal display type intelligent controller. The technical problem to be solved by the utility model is to provide a liquid crystal display type intelligent controller. According to the technical scheme, the controller comprises a controller upper shell and a fuse device, the fuse device comprises a fuse seat, a fuse, a fuse insertion core and an insertion core fixing column, and the fuse seat comprises a fuse seat upper bearing part, a fuse seat lower clamping part and a fuse seat connecting pin. A standby placing opening is formed in the fuse seat upper bearing part, a fuse clamping opening is formed in the fuse seat lower clamping part, and the fuse insertion core is provided with an insertion core clamping opening and an insertion core fixing hole; the controller upper shell is provided with an upper shell butt joint cavity. The liquid crystal display type intelligent controller has the advantages that the fuse adopts the design that the shell is arranged externally, the fuse seat is convenient to mount and dismount, a standby fuse can be placed on the fuse seat, the practicability is strong, the later maintenance is also convenient, and the safety of the liquid crystal display type intelligent controller is better guaranteed.

Description

Technical Field

[0001] The utility model relates to a liquid crystal display type intelligent controller. Background Art

[0002] The LCD display type intelligent controller is an advanced control device used in power systems. It combines the reclosing function with the LCD display technology and can perform multiple functions such as fault detection, protection control and communication. Most of the existing LCD display type intelligent controllers are not equipped with fuses, which makes the internal components of the controllers very easy to be damaged when the circuit is impacted by overload and short circuit. The few with fuses are installed inside the controller housing. When the fuse is damaged, it is very difficult to replace and maintain it. In view of this, the existing intelligent controllers are improved and optimized. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide a liquid crystal display type intelligent controller.

[0004] The technical solution adopted by the liquid crystal display type intelligent controller of the utility model: It is characterized in that it includes a controller upper shell and a fuse device, the fuse device includes a fuse seat, a fuse, a fuse core and a core fixing column arranged at both ends of the fuse seat and connected to the fuse, the fuse seat includes an upper receiving portion of the fuse seat, a lower clamping portion of the fuse seat and a fuse seat connecting foot, the upper receiving portion of the fuse seat is provided with a spare placement port for inserting the fuse, the lower clamping portion of the fuse seat is provided with a fuse clamping port for clamping the middle part of the fuse, the fuse core is provided with a core clamping port for clamping the end of the fuse and a core fixing hole corresponding to the core fixing column; an upper shell docking cavity is provided on the upper shell of the controller, the fuse seat is clamped in the upper shell docking cavity, an upper shell through hole is provided in the upper shell docking cavity, and the core fixing column passes through the upper shell through hole to electrically connect the fuse core with the controller circuit board.

[0005] A fuse seat support block is provided at the bottom of the fuse seat connecting foot, a support block clamping recess is provided on the fuse seat support block, and an upper shell inner clamping hook which is clamped with the support block clamping recess is provided in the upper shell docking cavity.

[0006] The fuse device also includes a fastening spring, the upper shell docking cavity is provided with a spring lower positioning groove, the fuse seat connecting foot is provided with a spring upper positioning groove, the lower end of the fastening spring is placed in the spring lower positioning groove and the upper end thereof is against the spring upper positioning groove.

[0007] It also includes an end sealing plate, and end sealing plate turning columns are arranged at both ends of the end sealing plate. The upper shell docking cavity is provided with an upper shell turning hole connected to the end sealing plate turning columns.

[0008] The end sealing plate is provided with an end sealing plate prying opening, and the fuse seat connecting foot is provided with a fuse seat hand lifting groove.

[0009] The clamping portion under the fuse seat is provided with a clamping portion elastic groove at the fuse clamping opening.

[0010] The advantages of the LCD display type intelligent controller of the utility model are: the fuse adopts an external shell design, the fuse holder is easy to install and disassemble and can hold spare fuses, it is highly practical and convenient for later maintenance, so that the safety of the LCD display type intelligent controller is better guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0012] Figure 1 It is a structural schematic diagram of the liquid crystal display type intelligent controller of the utility model;

[0013] Figure 2 It is an exploded view of the fuse device of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the fuse holder of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the upper shell of the controller of the utility model;

[0016] Figure 5 yes Figure 4 A magnified image of

[0017] Figure 6 It is a structural schematic diagram of the fuse insert of the utility model;

[0018] Figure 7 It is a structural schematic diagram of the end sealing plate of the utility model. DETAILED DESCRIPTION

[0019] like Figure 1-7As shown, the liquid crystal display type intelligent controller involved in the utility model comprises a controller upper shell 1 and a fuse device 2, wherein the fuse device 2 comprises a fuse holder 4, a fuse 5, a fuse core 6 and a core fixing column 7 arranged at both ends of the fuse holder 4 and docked with the fuse 5, wherein the fuse holder 4 comprises an upper receiving portion 10 of the fuse holder, a lower clamping portion 11 of the fuse holder and a fuse holder connecting foot 12, wherein a spare placement opening 14 for inserting the fuse 5 is provided in the upper receiving portion 10 of the fuse holder, a fuse clamping opening 15 for clamping the middle part of the fuse 5 is provided in the lower clamping portion 11 of the fuse holder, and the fuse core 6 is provided with a fuse clamping opening 15 for clamping the middle part of the fuse 5. A plug-in socket 16 for clamping the end of the fuse 5 and a plug-in fixing hole 18 corresponding to the plug-in fixing column 7 are provided; an upper shell docking cavity 17 is provided on the controller upper shell 1, and the fuse holder 4 is clamped in the upper shell docking cavity 17, and an upper shell through-hole 19 is provided in the upper shell docking cavity 17. After the plug-in fixing column 7 passes through the upper shell through-hole 19, the fuse plug 6 is electrically connected to the controller circuit board. The fuse adopts an upper shell external structure design. The fuse holder 4 is easy to install and disassemble and can hold spare fuses. It is highly practical and convenient for later maintenance, so that the safety of the LCD display type intelligent controller is better guaranteed.

[0020] A fuse seat support block 21 is provided at the bottom of the fuse seat connecting foot 12, and a support block clamping recess 22 is provided on the fuse seat support block 21. An upper shell inner clamping hook 23 which is clamped with the support block clamping recess 22 is provided in the upper shell docking cavity 17. The clamping arrangement ensures a firm connection, a compact structure and reliability.

[0021] The fuse device 2 also includes a fastening spring 8, the upper shell docking cavity 17 is provided with a spring lower positioning groove 25, and the fuse seat connecting foot 12 is provided with a spring upper positioning groove 26. The lower end of the fastening spring 8 is placed in the spring lower positioning groove 25 and the upper end thereof is against the spring upper positioning groove 26, so as to strengthen the clamping effect of the fuse clamping opening 15 on the fuse 5, prevent loosening caused by factors such as vibration, and make the contact more stable.

[0022] It also includes an end sealing plate 3, and end sealing plate turning columns 28 are provided at both ends of the end sealing plate 3. The upper shell docking cavity 17 is provided with an upper shell turning hole 29 connected to the end sealing plate turning columns 28 to prevent foreign matter from falling into the upper shell docking cavity 17, thereby providing better protection.

[0023] The end sealing plate 3 is provided with an end sealing plate prying opening 30 , and the fuse seat connecting leg 12 is provided with a fuse seat hand lifting groove 31 , which facilitates the disassembly of the fuse seat 4 .

[0024] The clamping portion 11 under the fuse holder is provided with a clamping portion elastic groove 33 at the fuse clamping opening 15 to improve the elasticity of the clamping portion 11 under the fuse holder when clamping, thereby preventing the fuse 5 from being difficult to clamp in.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims

1. A liquid crystal display type intelligent controller, characterized in that: The controller comprises an upper shell (1) and a fuse device (2), wherein the fuse device (2) comprises a fuse seat (4), a fuse (5), a fuse core (6) and a core fixing column (7) arranged at both ends of the fuse seat (4) and connected to the fuse (5); the fuse seat (4) comprises an upper receiving portion (10) of the fuse seat, a lower clamping portion (11) of the fuse seat and a fuse seat connecting foot (12); a spare placement opening (14) for inserting the fuse (5) is provided in the upper receiving portion (10) of the fuse seat, a fuse clamping opening (15) for clamping the middle part of the fuse (5) is provided in the lower clamping portion (11) of the fuse seat, and the fuse core (6) is provided with a core clamping opening (16) for clamping the end of the fuse (5) and a core fixing hole (18) corresponding to the core fixing column (7); The controller upper shell (1) is provided with an upper shell docking cavity (17), the fuse holder (4) is snap-fitted into the upper shell docking cavity (17), an upper shell through-hole (19) is provided in the upper shell docking cavity (17), and the core fixing column (7) passes through the upper shell through-hole (19) to electrically connect the fuse core (6) to the controller circuit board.

2. The liquid crystal display type intelligent controller according to claim 1, characterized in that: A fuse seat support block (21) is provided at the bottom of the fuse seat connecting leg (12), a support block clamping notch (22) is provided on the fuse seat support block (21), and an upper shell internal clamping hook (23) which is clamped to the support block clamping notch (22) is provided in the upper shell docking cavity (17).

3. The liquid crystal display type intelligent controller according to claim 1, characterized in that: The fuse device (2) further comprises a fastening spring (8), the upper shell docking cavity (17) is provided with a spring lower positioning groove (25), the fuse seat connecting foot (12) is provided with a spring upper positioning groove (26), the lower end of the fastening spring (8) is placed in the spring lower positioning groove (25) and the upper end thereof abuts against the spring upper positioning groove (26).

4. The liquid crystal display type intelligent controller according to claim 1, characterized in that: It also comprises an end sealing plate (3), both ends of which are provided with end sealing plate turning columns (28), and the upper shell docking cavity (17) is provided with an upper shell turning hole (29) which is connected to the end sealing plate turning columns (28).

5. The liquid crystal display type intelligent controller according to claim 4, characterized in that: The end sealing plate (3) is provided with an end sealing plate prying opening (30), and the fuse seat connecting foot (12) is provided with a fuse seat hand lifting groove (31).

6. The liquid crystal display type intelligent controller according to claim 1, characterized in that: The clamping portion (11) below the fuse seat is provided with a clamping portion elastic groove (33) at the fuse clamping opening (15).

Images