CN205069521U - Modular relay - Google Patents

Abstract

The utility model discloses a modular relay, including last casing, base, electromagnetism relay module, insulating boot, load input board, insurance module. A plurality of electromagnetic relay modules are mounted on the base; the insulating cover is matched with the base to insulate and isolate the electromagnetic relay modules; the load input plate is arranged on the insulating cover and is insulated and isolated from the electromagnetic relay module through the insulating cover; and the load input plate is connected with the load input end of the electromagnetic relay module through the insurance module. The utility model discloses during the implementation, the load input pin of load input board links to each other with load circuit, utilizes load connection pin and insurance module to realize and decide the electric connection that the contact draws forth the piece, realizes the single load input of modularization electrical apparatus, many controllable load output, compact structure, reasonable in design.

Description

A modular relay

technical field

The utility model relates to a relay, in particular to a modular relay with a plurality of relay control units.

Background technique

Relays are widely used in the electromechanical field. In complex equipment and systems, in order to realize the control of multiple control commands or multiple devices, it is often necessary to set several relays on one circuit node, and realize one control through one relay. The issuing of commands or the operational control of a device.

Most of the current relays are of a single type. Specifically, a relay can only realize one or more selective breaking or simultaneous opening and breaking, and cannot freely change the time control of multi-way breaking. For example, in In the car, to realize the independent control of the four window glass lifts, it is necessary to set up four relays on the control output node to control the four sets of window lift control circuits respectively. A relay requires an independent load input, which makes the overall circuit more complex and takes up a lot of space. At the same time, after the circuit is complicated, its failure rate also increases exponentially, which cannot meet the needs of equipment or devices that require high stability. use needs.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the existing single relay and provide a modular relay that can control multiple circuits at the same time.

In order to achieve the above object, the technical solution adopted in the utility model is:

A modular relay includes an upper shell, a base, an electromagnetic relay module, an insulating cover, a load input board, and an insurance module.

Several electromagnetic relay modules are installed on the base;

The insulating cover cooperates with the base to insulate and isolate the electromagnetic relay modules;

The load input board is installed on the insulating cover, and is insulated and isolated from the electromagnetic relay module through the insulating cover;

The load input board is connected to the load input end of the electromagnetic relay module through an insurance module;

The upper casing covers the base, the electromagnetic relay module, the insulating cover, the load input board and the assembly composed of the insurance module;

The electromagnetic relay module includes an iron core, a coil assembly, a yoke, an armature, and a reed;

The iron core is inserted into the coil assembly, the yoke is connected and matched with the iron core, and the yoke, the iron core and the coil are combined to form a magnetic circuit unit;

The connecting pins of the coil assembly protrude downward from the base;

The armature is installed on one side of the magnetic circuit unit and connected with the reed;

The reed is provided with a movable contact;

The reed is electrically connected with the movable contact lead-out piece embedded in the base;

The movable contact lead-out piece is provided with a load output pin, and the load output pin protrudes downward from the base;

The fixed contact is installed on the base and matched with the movable contact on the reed;

The fixed contact is electrically connected to the lead-out sheet of the fixed contact;

The lead-out piece of the fixed contact is embedded in the base;

The fixed contact lead-out piece is provided with a load output pin, and the load output pin protrudes downward from the base;

The lead-out piece of the fixed contact is provided with a load connection pin;

A thermal fuse is installed in the insurance module;

The load input board is provided with a load input pin, and the load input pin protrudes downward from the base;

The load input board is also provided with several load connection pins;

The insurance module is connected to two load connection pins on the load input board and the fixed contact lead-out piece, so that the load input board and the fixed contact lead-out piece are electrically connected;

The bottom of the base is also connected with the lower casing, and the lower casing is used to protect the load output pins, load input pins and connection pins.

Furthermore, an isolation plate is provided in the lower housing for isolating the pins between the electromagnetic relay modules and between the electromagnetic relay modules and the load input board.

When the utility model is implemented, the load input pin of the load input board is connected with the load circuit, and the load connection pin and the insurance module are used to realize the electrical connection with the lead-out sheet of the fixed contact, so as to realize the single load input of the modularized electrical appliance, and the Controlled load output, compact structure, reasonable design.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the connection structure between the base of the present invention and the electromagnetic relay module.

Fig. 3 is a structural schematic diagram of the load input board of the present invention.

The labels in the figure are:

(1) Upper shell

(2) Base

(3) Electromagnetic relay module

(4) Insulation cover

(5) Load input board

(6) Insurance module

(7) Iron core

(8) Coil assembly

(9) Yoke iron

(10) armature

(11) reed

(12) Connection pins

(13) Moving contact

(14) fixed contact

(15) Load output pin

(16) Load output pin

(17) Load connection pins

(18) Load connection pin.

detailed description

For the convenience of further understanding of the utility model, an embodiment is given in conjunction with the accompanying drawings to further illustrate the utility model.

Example:

As shown in FIGS. 1-3 , the present invention includes an upper casing 1 , a base 2 , an electromagnetic relay module 3 , an insulating cover 4 , a load input board 5 , and a safety module 6 .

Several electromagnetic relay modules 3 are installed on the base 2;

The insulating cover 4 cooperates with the base 2 to insulate and isolate the electromagnetic relay modules 3;

The load input board 5 is installed on the insulating cover 4, and is insulated and isolated from the electromagnetic relay module 3 through the insulating cover 4;

The load input board 5 is connected with the load input end of the electromagnetic relay module 3 through the insurance module 6;

The upper casing 1 covers the base 2, the electromagnetic relay module 3, the insulating cover 4, the load input board 5 and the safety module 6 to form an assembly;

The electromagnetic relay module 3 includes an iron core 7, a coil assembly 8, a yoke 9, an armature 10, and a reed 11;

The iron core 7 is inserted into the coil assembly 8, the yoke 9 is connected and matched with the iron core 7, and the yoke 9 is combined with the iron core 7 and the coil 8 to form a magnetic circuit unit;

The connecting pins 12 of the coil assembly 8 protrude downward from the base 2;

The armature 9 is installed on one side of the magnetic circuit unit and connected with the reed 11;

The reed 11 is provided with a movable contact 13;

The reed 11 is electrically connected to the movable contact lead-out piece embedded in the base 2;

The movable contact lead-out piece is provided with a load output pin 19, and the load output pin 19 protrudes downward from the base 2;

The fixed contact 14 is installed on the base 2 and matched with the movable contact 13 on the reed 11;

The fixed contact 14 is electrically connected to the lead-out sheet of the fixed contact;

The lead-out piece of the fixed contact is embedded in the base 2;

The fixed contact lead-out piece is provided with a load output pin 16, and the load output pin protrudes downward from the base 2;

The lead-out piece of the fixed contact is provided with a load connection pin 17;

A thermal fuse is installed in the insurance module 6;

The load input board 5 is provided with a load input pin 15;

Several load connection pins 18 are also provided on the load input board 5;

The insurance module 6 connects the load input board 8 and the two load connection pins 17, 18 on the fixed contact lead-out sheet, so that the load input board 5 and the fixed contact lead-out sheet are electrically connected;

The bottom of the base 2 is also connected with the lower casing 20 , and the lower casing 20 is used to protect the load output pins 16 , 19 , the load input pins 15 and the connection pins 12 .

The above is only a preferred implementation of the present utility model, and does not limit the present utility model in any form. Any skilled person who is familiar with this field may use the above technical content to change or modify it into an equivalent implementation of equivalent changes. For example, here, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the technical solution of the present utility model still belong to the scope of the technical solution of the present utility model .

Claims (6)

1. a modular relay, is characterized in that: comprise upper shell, pedestal, electromagnetism relay module, insulating cover, load tablet, insurance module, described pedestal is provided with some electromagnetism relay module; Described insulating cover coordinates with pedestal, will carry out insulation isolation between electromagnetism relay module; Described load tablet is arranged on insulating cover, is insulated isolate by insulating cover and electromagnetism relay module; Described load tablet is connected by insurance module with between the load input terminal of electromagnetism relay module.

2. a kind of modular relay as described in claim 1, is characterized in that: pedestal, electromagnetism relay module, insulating cover, load tablet and insurance module coordinate the sub-assembly of composition within it coated by described upper shell.

3. a kind of modular relay as described in claim 1, is characterized in that: described electromagnetism relay module comprises iron core, coil block, yoke, armature, reed; Described iron core inserts coil block, and yoke is connected with iron core and coordinates, and described armature installs magnetic circuit unit side, and is connected with reed; Described reed is provided with moving contact; Yoke and iron core and coil combination form magnetic circuit unit; The connection pin of described coil block stretches out pedestal downwards; Described reed and the moving contact lead-out tablet be inlaid in pedestal are electrically connected; Described moving contact lead-out tablet is provided with load output pin, and this load output pin stretches out pedestal downwards; On fixed contact mounting base, coordinate with the moving contact contraposition on reed; Described fixed contact and fixed contact lead-out tablet are electrically connected; Described fixed contact lead-out tablet is inlaid in pedestal; Described fixed contact lead-out tablet is provided with load output pin, and this load output pin stretches out pedestal downwards; Described fixed contact lead-out tablet is provided with load and connects pin.

4. a kind of modular relay as described in claim 1 or 3, is characterized in that: described load tablet is provided with load input pin, and this load input pin stretches out pedestal downwards; Described load tablet is also provided with some loads and connects pin; Described insurance module connects load tablet and is connected pin with two loads on fixed contact lead-out tablet, makes load tablet and fixed contact lead-out tablet realize being electrically connected.

5. a kind of modular relay as described in claim 1, is characterized in that: be equiped with thermal fuse in described insurance module.

6. a kind of modular relay as described in claim 1, is characterized in that: also with under a lower house connect below described pedestal, is also provided with division board in described lower house.