Hydropower station multi-loop digital display control instrument

Abstract

The utility model relates to the technical field of digital display control instruments, in particular to a multi-loop digital display control instrument for a hydropower station, which comprises a control instrument body arranged in a shell, a plurality of heat dissipation holes arranged on the shell, a mounting bracket clamped with the shell, a plurality of avoiding holes arranged on a body part of the mounting bracket, and a plurality of heat dissipation holes arranged on the body part of the mounting bracket. The receding holes correspond to the heat dissipation holes and are matched with the heat dissipation holes in size and shape, for example, the heat dissipation holes are round, and the receding holes are round holes with the same size as the heat dissipation holes. The beneficial effects of the utility model are that the installation support is provided with the avoiding holes, and the avoiding holes correspond to the heat dissipation holes of the housing, thereby solving a problem that the heat dissipation holes are liable to be shielded when the control instrument is installed, and improving the heat dissipation performance of the control instrument after installation; and the shell is connected with the display panel in a clamping manner, so that internal electronic elements are convenient to overhaul and replace, the display panel is also convenient to replace, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of digital display controllers, in particular to a multi-loop digital display controller for a hydropower station. Background Art

[0002] The display controller is an instrument that collects, displays, controls, transmits, communicates, prints and processes various signals such as temperature, pressure, liquid level, speed, etc. on site, and constitutes a digital acquisition system and control system. It is widely used in many fields such as electricity, petrochemical, metallurgy, light industry, pharmaceuticals, aviation, etc.

[0003] The electronic components inside the existing display controller will generate a lot of heat when working. In order to dissipate this heat in time and prevent the controller from overheating and affecting its normal operation, a plurality of heat dissipation holes are usually provided on the shell of the controller to facilitate heat dissipation. However, when the controller is installed on an external electrical cabinet, the heat dissipation holes are often covered, resulting in poor heat dissipation, which in turn affects the normal operation of the controller. Summary of the invention

[0004] In view of the problem that the display controller in the above-mentioned prior art has poor heat dissipation performance when installed in an electrical cabinet, which affects the normal operation of the controller, the utility model provides a multi-circuit digital display controller for a hydropower station, and its technical solution is: a multi-circuit digital display controller for a hydropower station, comprising a shell, a controller body is placed in the shell, a plurality of heat dissipation holes are arranged on the shell, the shell is clamped with a mounting bracket, a plurality of avoidance holes are arranged on the body part of the mounting bracket, the avoidance holes are arranged corresponding to the heat dissipation holes and are adapted in size and shape, for example, the heat dissipation holes are circular, and the avoidance holes are circular holes of the same size corresponding to the heat dissipation holes.

[0005] As a preferred solution, plug-in parts are extended from both sides of the main body, and the plug-in parts are adapted to the plug-in ports of the electrical cabinet.

[0006] As a preferred solution, first card slots are provided on both sides of the shell, and card connection parts are extended from both sides of the mounting bracket. The card connection parts are provided with first buckles, and the first card slots cooperate with the first buckles to complete the card connection between the shell and the card connection parts.

[0007] As a preferred solution, the control instrument body is composed of a display panel and a host, the display panel is snap-connected to the housing, and the display panel is communicatively connected or electrically connected to the host.

[0008] As a preferred embodiment, at least two display areas, several function keys and several display alarm lights are set on the display panel. For example, the display panel may include a PV area and a SV area, wherein the PV area displays the measurement value of the signal currently detected by the controller, and the SV area displays the current measurement loop number.

[0009] As a preferred solution, second buckles are provided on both sides of the shell, and second slots are provided on both sides of the display panel. The second buckles cooperate with the second slots to complete the connection between the display panel and the shell.

[0010] Beneficial effects of the utility model:

[0011] By providing a mounting bracket with avoidance holes, the avoidance holes correspond to the heat dissipation holes of the shell, thereby solving the problem that the heat dissipation holes of the controller are easily blocked during installation, and improving the heat dissipation performance of the controller after installation; and the shell and the display panel are connected by a snap-on method, which is convenient for the inspection and replacement of internal electronic components, and also convenient for the replacement of the display panel, reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the mounting bracket and the upper part of the shell in the utility model.

[0014] Figure 3 It is a structural schematic diagram of the mounting bracket in the utility model.

[0015] Figure 4 It is the right view of the utility model.

[0016] In the figure: 1. shell; 11. heat dissipation hole; 12. first card slot; 13. second card buckle; 2. controller body; 21. display panel; 211. display area; 212. function key position; 213. second card slot; 214. display alarm light; 22. host; 3. mounting bracket; 31. body; 311. avoidance hole; 32. card connection part; 321. first card buckle; 33. plug-in part. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below based on the accompanying drawings and specific embodiments.

[0018] Example 1

[0019] like Figure 1 As shown, a multi-circuit digital display controller for a hydropower station includes a shell 1, a controller body 2 is placed in the shell 1, a plurality of heat dissipation holes 11 are arranged on the shell 1, the shell 1 is clamped with a mounting bracket 3, a body part 31 on the mounting bracket 3 is provided with a plurality of avoidance holes 311, the avoidance holes 311 are arranged corresponding to the heat dissipation holes 11 and have the same size and shape, so that the mounting bracket 3 will not block the heat dissipation holes 11.

[0020] Furthermore, plug-in parts 33 extend from both sides of the main body 31 , and the plug-in parts 33 are adapted to the plug-in ports of the electrical cabinet, so that the controller is fixed in the electrical cabinet.

[0021] like Figure 1-4 As shown, first card slots 12 are provided on both sides of the shell 1, and card connection parts 32 are extended on both sides of the mounting bracket 3. The card connection parts 32 are provided with first buckles 321. The first card slots 12 cooperate with the first buckles 321 to complete the card connection between the shell 1 and the card connection parts 32.

[0022] like Figure 1 As shown, the control instrument body 2 is composed of a display panel 21 and a host 22 . The display panel 21 is snap-fitted to the housing 1 , and the display panel 21 is in communication connection with the host 22 .

[0023] Furthermore, the display panel 21 is provided with two display areas 211, a plurality of function keys 212 and a plurality of display alarm lights 214. The function keys 212 include confirmation keys, shift keys, decrease keys and increase keys. When an abnormality is detected in any circuit, the corresponding alarm light 214 starts flashing to alarm.

[0024] Furthermore, the housing 1 is provided with second buckles 13 on both sides, and the display panel 21 is provided with second slots 213 on both sides. The second buckles 13 cooperate with the second slots 213 to complete the connection between the display panel 21 and the housing 1 .

[0025] The use process of the above-mentioned controller is as follows: first install the host 22 in the shell 1, then snap-fit ​​the display panel 21 with the shell 1 to complete the installation of the controller body 2, and then snap-fit ​​the mounting bracket 3 with the shell 1 so that each of its avoidance holes 311 corresponds to the heat dissipation holes 11 one by one to ensure that the heat dissipation holes 11 are not blocked, and then insert the plug-in part 33 into the slot in the electrical cabinet to complete the installation; another installation method is to first insert the plug-in part 33 on the mounting bracket 3 into the slot in the electrical cabinet, and then place the assembled controller under the mounting bracket 3 so that the first slot 12 on the shell 1 is snap-fitted with the first buckle 321 on the mounting bracket 3 to complete the installation.

Claims

1. A multi-circuit digital display controller for a hydropower station, comprising a housing (1), a controller body (2) being placed inside the housing (1), and a plurality of heat dissipation holes (11) being arranged on the housing (1), characterized in that: The housing (1) is snap-connected with the mounting bracket (3); a main body (31) on the mounting bracket (3) is provided with a plurality of avoidance holes (311); the avoidance holes (311) are arranged correspondingly to the heat dissipation holes (11) and are adapted in size and shape.

2. A multi-circuit digital display controller for a hydropower station according to claim 1, characterized in that: Plug-in portions (33) extend from both sides of the main body portion (31), and the plug-in portions (33) are compatible with the plug-in ports of the electrical cabinet.

3. A multi-circuit digital display controller for a hydropower station according to claim 1, characterized in that: The housing (1) is provided with first card slots (12) on both sides, the mounting bracket (3) extends from both sides of the card slots (32), the card slots (32) are provided with first buckles (321), and the first card slots (12) cooperate with the first buckles (321) to complete the card slot connection between the housing (1) and the card slots (32).

4. A multi-circuit digital display controller for a hydropower station according to claim 1, characterized in that: The control instrument body (2) is composed of a display panel (21) and a host (22); the display panel (21) is snap-connected to the housing (1); and the display panel (21) and the host (22) are communicatively connected or electrically connected.

5. A multi-circuit digital display controller for a hydropower station according to claim 4, characterized in that: The display panel (21) is provided with at least two display areas (211), a plurality of function keys (212) and a plurality of display alarm lights (214).

6. A multi-circuit digital display controller for a hydropower station according to claim 4, characterized in that: The housing (1) is provided with second buckles (13) on both sides, and the display panel (21) is provided with second slots (213) on both sides. The second buckles (13) cooperate with the second slots (213) to complete the connection between the display panel (21) and the housing (1).

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