CN205752026U - CNC relay module - Google Patents

Abstract

The utility model provides a numerical control relay module, numerical control relay module includes PCB circuit board and numerical control relay, numerical control relay installs on the PCB circuit board and is connected with PCB circuit board electricity, still be equipped with input terminal and output terminal on the PCB circuit board of numerical control relay both sides respectively, input terminal and output terminal are connected with numerical control relay electricity respectively, be equipped with the almag layer between numerical control relay and the PCB circuit board, be equipped with the EVA layer between almag layer and the numerical control relay. The utility model discloses simple structure, the stable performance.

Description

CNC relay module

technical field

The utility model belongs to the field of relays, in particular to a relay module.

Background technique

The relay is an electrical control device, which is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit when the change of the input quantity meets the specified requirements. It has an interactive relationship between the control system and the controlled system. Relay is an automatic switching element with isolation function. It is widely used in remote control, telemetry, communication, automatic control, mechatronics and power electronic equipment. It is one of the most important control elements. Relays are now widely used in machine tool control cabinets, but the existing relays are single, occupy a large area, and are troublesome to install.

Chinese patent CN 203312161 discloses a relay module, which is characterized in that it includes terminals, relays, contacts, and a base, the terminals are located on one side of the relay, the contacts are located on the relay, and multiple relays are sequentially fixed on the base . However, the device is complicated and has unstable performance.

Utility model content

The purpose of the utility model is to creatively provide a numerical control relay module in order to overcome the problems of complex structure and unstable performance of the existing numerical control relay module.

In order to achieve the above object, the utility model provides a numerical control relay module, which is characterized in that: the numerical control relay module includes a PCB circuit board and a numerical control relay, and the numerical control relay is installed on the PCB circuit board and connected with the PCB circuit board Electrically connected, the PCB circuit boards on both sides of the numerically controlled relay are also provided with input terminals and output terminals respectively, and the input terminals and output terminals are respectively electrically connected to the numerically controlled relay, and an aluminum magnesium alloy is arranged between the numerically controlled relay and the PCB circuit board An EVA layer is arranged between the alloy layer, the aluminum-magnesium alloy layer and the numerical control relay.

As a further description of the numerical control relay module described in the present invention, one side of the numerical control relay is also provided with an LED light for displaying the energization status of the numerical control relay.

It can be seen that, because the utility model provides a kind of numerical control relay module, described numerical control relay module comprises PCB circuit board and numerical control relay, and described numerical control relay is installed on PCB circuit board and is electrically connected with PCB circuit board, so The PCB circuit boards on both sides of the numerically controlled relay are also provided with input terminals and output terminals respectively, and the input terminals and output terminals are respectively electrically connected to the numerically controlled relays. An aluminum-magnesium alloy layer is arranged between the numerically controlled relay and the PCB circuit board. An EVA layer is arranged between the magnesium alloy layer and the numerical control relay. The utility model has simple structure and stable performance.

Description of drawings

Fig. 1 is the structural representation of the digital control relay module of the present utility model;

Fig. 2 is a sectional view of the digital control relay module of the present invention.

The reference signs are explained as follows:

PCB circuit board 1, CNC relay 2, input terminal 3, output terminal 4, LED light 5, magnesium alloy layer 6, EVA layer 7

detailed description

In order to enable the examiner to further understand the structure, features and other purposes of the utility model, the attached preferred embodiments are attached with accompanying drawings in detail as follows. The embodiments illustrated in the accompanying drawings are only used to illustrate the utility model Technical solutions, not limited to any form, size or proportion.

As shown in Figure 1, a kind of numerical control relay module provided by the utility model, described numerical control relay module comprises PCB circuit board 1 and numerical control relay 2, and described numerical control relay 2 is installed on the PCB circuit board 1 and is connected with PCB circuit board The board 1 is electrically connected, and the PCB circuit board 1 on both sides of the numerical control relay 2 is also provided with an input terminal 3 and an output terminal 4 respectively, and the input terminal 3 and the output terminal 4 are electrically connected with the numerical control relay 2 respectively, and the numerical control relay 2 An aluminum-magnesium alloy layer 6 is provided between the PCB circuit board 1 to prevent malfunctions caused by electromagnetic interference, and the weight is also light. An EVA layer 7 is provided between the aluminum-magnesium alloy layer 6 and the numerical control relay 2 to improve insulation strength.

One side of the numerically controlled relay 2 is also provided with an LED light 5 for displaying the electrification of the numerically controlled relay 2 .

It should be declared that the content of the above utility model and specific implementation methods are intended to prove the practical application of the technical solutions provided by the utility model, and should not be interpreted as limiting the scope of protection of the utility model. Those skilled in the art may make various modifications, equivalent replacements or improvements within the spirit and principle of the present utility model. The scope of protection of the utility model shall be determined by the appended claims.

Claims (2)

1. a numerical control relay module, it is characterised in that: described numerical control relay module includes PCB and numerical control relay Device, described numerical control relay is arranged in PCB and electrically connects with PCB, the PCB of described numerical control relay both sides Further respectively have input terminal and lead-out terminal, input terminal and lead-out terminal on circuit board to be electrically connected with numerical control relay respectively Connect, be provided with almag layer between described numerical control relay and PCB, be provided with between almag layer and numerical control relay EVA layer.

2. numerical control relay module as claimed in claim 1, it is characterised in that: the side of described numerical control relay is additionally provided with aobvious The LED of registration control relay power situation.