CN202534593U - Connector for electronic board of relay - Google Patents

Abstract

The utility model discloses a relay electronic board connector, which comprises a circuit board, a relay and a connector arranged on the circuit board, and the connector is provided with a plurality of connectors connected with the signal output terminals of the relay. An output port and a plurality of input ports connected to the signal input terminals of the relay. A diode is arranged on the circuit board, and the diode is connected in parallel to both ends of the coil of the relay. The circuit board is provided with piezoresistor installation slots and intermediate welding holes for spare pins of the relay. The connector has twenty conducting terminals connected to respective pins of the relay. The circuit board is a rectangular double-sided printed circuit board, and four corners of the circuit board are provided with installation and fixing holes. The utility model has the advantages of small volume, compact structure and beautiful appearance, realizes the centralized control of electrical components, simple and quick wire connection, and more reliable connection performance.

Description

Relay electronic board connector

technical field

The utility model relates to the technical field of relays, in particular to a relay electronic board connector.

Background technique

All kinds of existing relay circuit boards are all kinds of multi-relay combined circuit boards targetedly developed to realize various special functions, resulting in highly targeted and single functions, which cannot be applied in other components and circuits. A single electromagnetic plug-in relay is often used in electrical control circuits. The plug-in relay is connected to the wires in the circuit through the relay plug-in base, and the relay plug-in base and the wire are connected by manual crimping terminals. There are two processes of solidification and wire winding, resulting in exposed terminals, prone to false short-circuiting of foreign objects, unstable screw fixation, loose terminals, loose relays and other bad situations, and even the danger of accidental electric shock, and the wiring It is difficult to install, it is easy to connect wrong wires and it is inconvenient to overhaul and troubleshoot.

Utility model content

Based on this, aiming at the problems of the existing relay circuit board, it is necessary to propose a relay electronic board connector which can effectively solve the above problems.

The technical scheme of the utility model is: a relay electronic board connector, which includes a circuit board, a relay and a connector arranged on the circuit board, and the connector is provided with a plurality of signal outputs connected to the relay. An output port connected to the terminal and a plurality of input ports connected to the signal input terminals of the relay.

The above-mentioned technical solution assembles the relay and the connector on the same control circuit into a whole through the circuit board, and connects all the wires connected to the socket port of the relay to the external circuit through the connector, so that each contact of the relay The input and output of signals are carried out through the connector port, so as to achieve the purpose of centralized control of the above-mentioned electrical components, simplified wiring, convenient maintenance and troubleshooting. The combination of the circuit board and the connector replaces the plug-in base of the relay in the prior art, and the relay is preferably directly welded on the circuit board, so that the relay is more stable and works more reliably. It is best to use an MLC connector for the connector, which makes the wire connection more convenient and the connection performance is more reliable, and at the same time avoids undesired conditions such as exposed terminals, false short-circuits caused by foreign objects, unstable screw fixing, loose terminals, and relays loosening and falling off.

In one of the embodiments, a diode is provided on the circuit board, and the diode is connected in parallel to both ends of the coil of the relay. The purpose is to play the role of freewheeling protection for the coil of the relay. .

In one embodiment, the circuit board is provided with piezoresistor mounting slots and intermediate welding holes for spare pins of the relay. The installation position of protective components such as varistors and the spare intermediate welding hole for each contact of the relay are reserved on the circuit board, which is convenient for welding protective components or jumping between contacts of a single relay itself due to functional needs in the future. line, in parallel. If the varistor is welded, it can protect the circuit when the voltage and current in the circuit fluctuate or are too large. It has strong versatility and can be applied to various relays and functional circuits.

In one of the embodiments, the socket has twenty conducting terminals, and the twenty conducting terminals are connected with each pin of the relay. The connector is an MLC connector with twenty terminals, and the relay is an electromagnetic general relay with fourteen pins. By connecting the extra six terminals on the connector with certain six contact pins of the relay, one contact of the relay can have multi-bit input and output functions on the connector.

In one embodiment, the circuit board is a rectangular double-sided printed circuit board, and four corners of the circuit board are provided with installation and fixing holes. The purpose is to make the circuit board easy to route, and the line spacing of the designed copper foil conductor should be as wide as possible, so as to meet more circuit board design specification requirements and facilitate the installation of the circuit board.

The beneficial effects of the utility model are:

1) Small size, compact structure, beautiful appearance, realize centralized control of electrical components, simple and fast wire connection, and more reliable connection performance;

2) It is easy to manufacture, greatly improves the production efficiency, is easy to assemble and install, and is convenient for maintenance and troubleshooting;

3) The installation position of protective components such as piezoresistors is reserved to facilitate the protection of the circuit;

4) There are spare middle soldering holes for each pin of the relay reserved on the circuit board, and spare terminals for some relay contact pins are reserved on the connector, with the same contact of the relay on the connector The multi-bit input and output function realizes the expansion of the jumper and series and parallel functions of the relay contacts, making the product more general and more serialized;

5) It realizes the convenience and general use of a single relay and the combined function expansion of multiple relays connected in series and parallel.

Description of drawings

Fig. 1 is a schematic structural view of the relay electronic board connector described in the embodiment of the present invention;

Fig. 2 is an exploded schematic diagram of the relay electronic board connector described in Fig. 1;

Figure 3 is a schematic diagram of the plane distribution of each component;

Explanation of reference signs:

10-circuit board, 20-relay, 30-socket, 40-diode, 50-varistor installation groove, 60-middle welding hole, 70-installation fixing hole.

Detailed ways

Embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

Example:

As shown in FIGS. 1 to 3 , a relay electronic board connector includes a circuit board 10 and a relay 20 and a socket 30 disposed on the circuit board 10 . The socket 30 is provided with a plurality of output ports connected to the signal output ends of the relay 20 and a plurality of input ports connected to the signal input ends of the relay 20 .

In this embodiment, the circuit board 10 is provided with a diode 40 , and the diode 40 is connected in parallel to both ends of the coil of the relay 20 , so as to protect the coil of the relay 20 from freewheeling. .

In this embodiment, the circuit board 10 is provided with a piezoresistor installation slot 50 and a middle welding hole 60 for each pin of the relay 20 for backup. The installation position of protective components such as varistors and the spare middle welding hole 60 for each contact of relay 20 are reserved on the circuit board 10, so as to facilitate welding of protective components or contacts of a single relay 20 itself due to functional requirements in the future. Jumper and connect in parallel. If the varistor is welded, it can protect the circuit when the voltage and current in the circuit fluctuate or are too large. It has strong versatility and can be applied to various relays 20 and functional circuits.

In this embodiment, the socket 30 has 20 energized terminals, and the 20 energized terminals are connected to each pin of the relay 20 . The connector 30 is an MLC connector with 20 terminals, and the relay 20 is an electromagnetic general relay with 14 pins. By connecting the extra six energized terminals on the connector 30 to some six contact pins of the relay 20 , one contact of the relay 20 can have multi-bit input and output functions on the connector 30 .

In this embodiment, the circuit board 10 is a rectangular double-sided printed circuit board 10, and the four corners of the circuit board 10 are provided with mounting and fixing holes 70, which can make the circuit board 10 convenient for wiring. The spacing should be as wide as possible, which can meet more circuit board design specification requirements and facilitate circuit board installation.

The utility model assembles the relay 20, the connector 30 and the diode 40 on the same control circuit into a whole through the circuit board 10, and connects all the wires connected with the plug-in base port of the relay 20 to the outside through the connector 30. The circuit connection enables each contact of the relay 20 to input and output signals through the port of the connector 30, so as to achieve the purpose of centralized control of the above-mentioned electrical components, simplified wiring, and convenient maintenance and troubleshooting. The combination of the circuit board 10 and the connector 30 replaces the plug-in base of the relay 20 in the prior art, and the relay 20 is preferably directly welded on the circuit board 10, so that the relay 20 is more stable and works more reliably. The connector 30 is preferably an MLC connector 30, which makes the connection of wires more convenient and the connection performance more reliable, and at the same time avoids problems such as exposed terminals, false short-circuiting of foreign objects, unstable screw fixing, loose terminals, and loosening of the relay 20. Condition.

The above-mentioned embodiments only express the specific implementation manners of the utility model, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and these all belong to the protection scope of the utility model.

Claims (5)

1. relay electron plate connector; It is characterized in that; It comprises circuit board and is located at relay and the connector on the circuit board that said connector is provided with a plurality of output ports that are connected with the signal output part of said relay and a plurality of input ports that are connected with the signal input part of said relay.

2. relay electron plate connector according to claim 1 is characterized in that said circuit board is provided with diode, and this diode is parallel to the coil two ends of said relay.

3. relay electron plate connector according to claim 1 and 2 is characterized in that, said circuit board is provided with the piezo-resistance mounting groove and supplies the subsequent use middle welding hole of each pin of relay.

4. relay electron plate connector according to claim 1 is characterized in that, it is extreme that said connector has 20 energisings, and these 20 energisings extremely are connected with each pin of said relay.

5. relay electron plate connector according to claim 1 is characterized in that said circuit board is the double-sided printed-circuit board of rectangle, is provided with at said circuit board four jiaos and installs and fixes the hole.

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