CN215935170U

CN215935170U - Novel energy controller

Info

Publication number: CN215935170U
Application number: CN202121751734.5U
Authority: CN
Inventors: 李江辉; 叶孟军
Original assignee: Ningbo Sanxing Medical and Electric Co Ltd
Current assignee: Ningbo Sanxing Medical and Electric Co Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-01
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to a novel energy controller, which comprises a bottom shell, an upper cover, a PCB and a control chip, wherein the upper cover is covered on the bottom shell, the PCB is arranged between the bottom shell and the upper cover, the control chip is arranged on the PCB, the control chip is arranged on the back surface of the PCB, a metal plate capable of covering the control chip is arranged on the control chip, the bottom shell is made of a metal material, and the metal plate is connected with the bottom shell in a matched mode. The energy controller has a good heat dissipation effect.

Description

Novel energy controller

Technical Field

The utility model relates to the technical field of intelligent electric meters, in particular to a novel energy controller.

Background

The energy controller in the prior art mostly comprises a bottom shell, an upper cover covered on the bottom shell, a PCB arranged between the bottom shell and the upper cover, and a control chip, a display screen and other structures arranged on the front side of the PCB.

The highest temperature that tolerates of control chip generally is 125 degrees centigrade, because control chip is in high-speed running state more, and the power frequency is high, and calorific capacity is big, and the drain pan is the plastics material in addition, heat dispersion is poor, and if the ambient temperature that energy controller was located is higher, the temperature that leads to control chip very easily reaches or even surpasss 125 degrees centigrade, leads to control chip overheated and unable normal work, even burns out.

However, the existing energy controllers have not yet provided simple and effective heat dissipation measures.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a novel energy controller with a good heat dissipation effect.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a novel energy controller, includes drain pan, lid and closes upper cover on the drain pan, sets up the PCB board between drain pan and upper cover and set up the control chip on the PCB board, its characterized in that:

the control chip is arranged on the back of the PCB, a metal plate capable of covering the control chip is arranged on the control chip, the bottom shell is made of metal materials, and the metal plate is connected with the bottom shell in a matched mode.

Furthermore, a heat-conducting silicone grease layer which can be attached to the bottom shell is coated on the metal plate.

Further, the bottom shell is made of an aluminum material.

Further, the heat conduction coefficient of the heat conduction silicone grease layer material is 15W/m.k.

Furthermore, a raised line is arranged on the surface of one side, away from the upper cover, of the bottom shell.

Furthermore, a through hole is formed in the bottom shell, and the convex strip is enclosed around the through hole.

Furthermore, the energy controller also comprises a liquid crystal display screen, and the liquid crystal display screen is fixed on the front surface of the PCB through a liquid crystal support.

Furthermore, be provided with a plurality of fixed orificess on the PCB board, be provided with the fixed column on the liquid crystal support, the fixed column free end is provided with the fixed foot that can insert and establish in the fixed orifices, and wherein the tip of at least one fixed foot is provided with the trip.

Furthermore, a clamping groove is formed around the bottom shell, and buckles capable of being fixedly clamped with the clamping groove are arranged on the periphery of the upper cover.

Furthermore, the bottom shell is provided with a reinforcing rib at the position where the clamping groove is arranged.

Compared with the prior art, the utility model has the advantages that:

through setting up control chip at the back of PCB board to change the drain pan into the metal material by the plastics material, simultaneously through covering the metal sheet on control chip, the heat conduction that produces control chip dispels the heat to the drain pan, make heat radiating area big, the radiating effect is good, and the setting on heat conduction silicone grease layer can further improve the radiating effect of energy source controller, avoids appearing the too high condition of control chip temperature, provides the life of energy source controller.

Drawings

Fig. 1 is a schematic structural diagram of an energy controller according to the present application.

Fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Fig. 3 is a schematic structural view of fig. 2 in another direction.

Fig. 4 is a schematic structural diagram of a PCB and a liquid crystal in the present application.

Fig. 5 is an enlarged schematic view of a portion a in fig. 2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Fig. 1 to 5 are schematic structural diagrams of a preferred embodiment of the present invention, and as shown in the drawings, the novel energy controller includes a bottom case 1, an upper cover 2 covering the bottom case 1, a PCB 3 disposed between the bottom case 1 and the upper cover 2, and a control chip 4 disposed on the PCB 3, the control chip 4 is disposed on the back of the PCB 3, a metal plate 5 capable of covering the control chip 4 is disposed on the control chip 4, the bottom case 1 is made of a metal material, and the metal plate 5 is connected to the bottom case 1 in a matching manner. Through setting up control chip 4 at the back of PCB board 3 to set up metal sheet 5 and cover on control chip 4, the heat that produces in the 4 course of work of control chip can conduct drain pan 1 to the metal material through metal sheet 5, and drain pan 1 area is big, is favorable to the heat dissipation, thereby improves the radiating effect. It should be noted that the metal plate 5 may be inserted and fixed or welded on the PCB 3, and the metal plate 5 also has a shielding function, so as to prevent the control chip from being subjected to electromagnetic interference and improve the reliability of operation.

In order to improve the heat conduction effect between the metal plate 5 and the bottom shell 1, the metal plate 5 is coated with the heat conduction silicone grease layer 6 which can be attached to the bottom shell 1, the heat conduction silicone grease layer 6 has good heat conduction performance, heat is conducted to the bottom shell 1 from the metal plate 5, and the coating is very convenient. In the present embodiment, the thermal conductivity of the material of the thermal conductive silicone grease layer 6 is 15W/m.k. Of course, other thermal conductivity of the material of the thermal silicone layer 6 may be used as required.

In this embodiment, the bottom case 1 is made of an aluminum material, and certainly, the metal plate 5 may be made of an aluminum material, which is beneficial to reducing the weight of the energy controller and saving the production cost.

In order to further improve the heat dissipation effect, the raised line 11 is arranged on the surface of one side, away from the upper cover 2, of the bottom shell 1, so that a certain distance is formed between the bottom shell 1 and the energy controller mounting surface, and heat dissipation is facilitated. In this embodiment, seted up through-hole 12 on the drain pan 1, sand grip 11 encloses to close around through-hole 12, sets up through-hole 12, can be convenient for energy controller inside air and outside circulate, is favorable to reducing the inside temperature of energy controller.

In this embodiment, the power controller further includes a liquid crystal display 71, and the liquid crystal display 71 is fixed to the front surface of the PCB board 3 by a liquid crystal bracket 72. By adopting the arrangement, the space between the liquid crystal display screen 71 and the PCB 3 can be used for arranging other components, the space utilization rate is high, the reduction of the volume of the energy controller is facilitated, and the cost is saved. As a preferred embodiment, a plurality of fixing holes 31 are provided on the PCB 3, a fixing post 721 is provided on the liquid crystal bracket 72, a fixing pin 722 capable of being inserted into the fixing hole 31 is provided at a free end of the fixing post 721, wherein a hook 723 is provided at an end of at least one fixing pin 722. During the assembly, insert fixed foot 722 in the fixed orifices, trip 723 and PCB board 3 joint avoid liquid crystal support 72 to drop, then assemble upper cover 2, and liquid crystal support 72 keeps away from PCB board 3 one end and realizes fixing with upper cover 2 butt. Simple structure and convenient assembly.

In this embodiment, a locking groove 13 is disposed around the bottom case 1, and a locking buckle 21 that can be locked and fixed with the locking groove 13 is disposed around the upper cover 2. With this design, the bottom case 1 and the upper cover 2 are very conveniently assembled. In order to improve the strength of the position of the clamping groove 13 and prevent the clamping groove 13 from being damaged in the process of detaching the upper cover 2, the bottom shell 1 is provided with a reinforcing rib 14 at the position where the clamping groove 13 is arranged.

While embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a novel energy controller, includes drain pan (1), approximately closes upper cover (2) on drain pan (1), sets up PCB board (3) between drain pan (1) and upper cover (2) and sets up control chip (4) on PCB board (3), its characterized in that:

the control chip (4) is arranged on the back of the PCB (3), the control chip (4) is provided with a metal plate (5) capable of covering the control chip, the bottom shell (1) is made of a metal material, and the metal plate (5) is connected with the bottom shell (1) in a matched mode.

2. The novel energy controller of claim 1, wherein:

and the metal plate (5) is coated with a heat-conducting silicone grease layer (6) which can be attached to the bottom shell (1).

3. The novel energy controller of claim 1, wherein:

the bottom shell (1) is made of aluminum materials.

4. The novel energy controller of claim 2, wherein:

the heat conduction coefficient of the material of the heat conduction silicone grease layer (6) is 15W/m.k.

5. The novel energy controller of claim 2, wherein:

and a raised line (11) is arranged on the surface of one side, away from the upper cover, of the bottom shell (1).

6. The novel energy controller of claim 5, wherein:

a through hole (12) is formed in the bottom shell (1), and the convex strips (11) surround the through hole (12).

7. The novel energy controller of claim 1, wherein:

the energy controller further comprises a liquid crystal display screen (71), and the liquid crystal display screen (71) is fixed on the front face of the PCB (3) through a liquid crystal bracket (72).

8. The novel energy controller of claim 7, wherein:

the PCB is characterized in that a plurality of fixing holes (31) are formed in the PCB (3), a fixing column (721) is arranged on the liquid crystal support (72), fixing pins (722) capable of being inserted into the fixing holes (31) are arranged at the free end of the fixing column (721), and a clamping hook (723) is arranged at the end of at least one fixing pin (722).

9. The novel energy controller of claim 1, wherein:

a clamping groove (13) is formed around the bottom shell (1), and buckles (21) which can be fixedly connected with the clamping groove (13) are arranged around the upper cover (2).

10. The novel energy controller of claim 9, wherein:

the bottom shell (1) is provided with a reinforcing rib (14) at the position where the clamping groove (13) is arranged.