CN211654699U - PCB relay device - Google Patents

Abstract

The utility model discloses a PCB relay device, including the PCB bottom plate, wherein, the PCB bottom plate includes input, output to and the multiunit of setting between input and output encapsulates the good relay, and every group relay includes a plurality of normally open contacts and a plurality of normally closed contact, the relay is fixed in through the contact pin of bottom on the PCB bottom plate. The utility model discloses to take the multiunit relay integration of a plurality of normally closed contacts of a plurality of normally open on special design's PCB bottom plate, solve the maintenance difficult problem that the wiring leads to too much, reduce whole size, solved plug-in relay and drop the scheduling problem easily, the relay fuselage is transparent, and inside action is clear visible, makes things convenient for maintenance personal to diagnose the trouble.

Description

PCB relay device

Technical Field

The utility model belongs to a PCB circuit board especially relates to a PCB relay device.

Background

At present, the domestic lifter industry uses a control system consisting of various relays or PCB (printed circuit board), the working principle of a common relay is that a plurality of relays are connected by wires according to a pre-designed schematic diagram, and the control purpose is achieved through the suction sequence and action of the relays. A single PCB integrated circuit realizes the control of the lifter with the function similar to a relay circuit through a gate logic circuit.

Traditional base plug-in relay, the installation can't be accomplished firmly, appears relay and base separation in the transportation easily, and in addition, the wiring point of base plug-in is very many, and there are 8 by 2 binding post in every relay usually, and the range upon range of distribution of binding post is difficult to the wiring and maintain. Traditional PCB board is with relay with the electric current contact less, under the condition that the relay contact is few, if will realize that equal function needs more groups of relays, for example: the existing PCB board carries the same current and normally opens 1 normally closed contact at most, just so need 2 relays can be equal to the function of plug-in relay completely, and 2 contacts of relay will reach 2 groups of contacts of synchronous ratio a relay and will be difficult, are difficult to realize the synchronous interlocking of multiunit contact, also can't make effective judgement to the operating condition of relay.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned defect that exists among the prior art, the utility model aims at providing a PCB relay device of improvement to solve the problem of the too much trouble affirmation of maintaining difficult, the inconvenient maintenance personal of wiring that original PCB board relay exists.

The utility model adopts the technical scheme as follows:

the utility model provides a PCB relay device, includes the PCB bottom plate, the PCB bottom plate includes input, output and sets up the multiunit encapsulated relay between input and output, and every group relay includes a plurality of normally open contacts and a plurality of normally closed contact, the relay is fixed in through the contact pin of bottom on the PCB bottom plate.

Further, the input and the output of PCB bottom plate all include a plurality of binding post that set up side by side, the binding post of input connects external control contact, and the binding post of output connects and treats accuse component, through the multiunit contact interlocking mechanism between the relay realizes the corresponding control of input and output.

Further, a transparent cover is arranged outside the relay.

Further, an LED indicator light is arranged on an input or output line of the relay.

Further, a plurality of groups of the relays are arranged side by side.

Furthermore, after the contact pin at the bottom of the relay is inserted into the hole in the PCB bottom plate, the contact pin is welded and fixed through soldering tin.

Furthermore, the plurality of groups of relays comprise a group of delay relays.

Furthermore, the contact pin is flat, and the opening is a flat opening.

Compared with the prior art, the utility model provides a PCB relay device has following technological effect:

1. compare traditional base plug-in relay, the relay is directly fixed on the PCB bottom plate through the contact pin soldering tin of lower part, and the installation is more firm, and need not redundant binding post, and binding post is few, easy to maintain.

2. Compared with the traditional PCB relay, the interlocking mechanism is adopted among the contacts of the multiple groups of relays, so that the quantity of the relays required for realizing the same function is small, and the synchronous interlocking of the multiple groups of contacts can be conveniently realized; the relay is transparent, and the LED lamp is convenient for fault diagnosis and abnormity judgment of an operator.

Drawings

Fig. 1 is a schematic structural diagram of a PCB relay device in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a PCB backplane in an embodiment of the present invention.

Fig. 3 is a circuit diagram of a relay in an embodiment of the present invention.

Fig. 4 is a structural diagram of a relay in an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the embodiment of the present invention discloses a PCB relay device, which can be applied to the electrical control of a lifter or other related device controls, the device includes: PCB bottom plate, PCB bottom plate include input 1, output 2, set up the relay 3 that the multiunit encapsulation is good between input 1 and output 2. The input and the output of PCB bottom plate all include a plurality of binding post that set up side by side, and the binding post of input 1 connects external control contact, for example can external power supply, control button contact or other external control system's contact, and the binding post of output 2 connects and treats accuse component, for example connects gas circuit solenoid valve, oil circuit solenoid valve, two-way solenoid valve, the motor contact coil etc. of machine of lifting.

Every group relay 3 includes a plurality of normally open contacts and a plurality of normally closed contact, in this embodiment, with four groups of relays, four groups relay 3 sets up side by side, and every group relay 3 is two normally open contacts, and two normally closed contacts are the example, and the contact interlocking mechanism between the multiunit relay realizes the corresponding control of input and output, and the output activation that corresponds the difference is realized at last through 4 groups of normally open of relay after the input point switch-on of difference, mutual interlocking between the normally closed contact, finally reaches functions such as the rising of controlling respectively waiting to control equipment, descends, locking. The multi-group relay comprises a current relay and a time delay relay, and the time delay relay is arranged to prolong the working time of the element component. The interlocking among the relays is realized by the contact and the coil among the relays and the line connection among the relays. Each group of relays is connected with the coils of other devices to be controlled, such as the coils of a motor.

Traditional relay on conventional PCB board, because the structure of relay itself, with the current contact less, will realize under the less condition of relay contact that equal function then needs more group relay to cooperate jointly, so be difficult to realize the synchronous interlocking of multiunit contact, nevertheless the utility model discloses install on the PCB bottom plate with the function application combination of two sets of normally open two sets of normally closed that every group relay that the relay on the original base plug-in possessed possesses, solved the too many shortcoming of single base plug-in binding post promptly, also solved the difficult shortcoming that realizes synchronous interlocking of conventional PCB board relay.

Referring to fig. 2 and 4, in this embodiment, the relay is fixed on the PCB bottom plate through the bottom pin, the pin is flat, the end of the pin 6 is also provided with an opening for convenient wiring and welding, and the pin 6 of the flat pin of the relay is welded and fixed by enlarging a solder welding spot after being inserted into the special opening 5 on the PCB, so that the fixation is firm and the circuit performance is stable.

In addition, the relay on traditional PCB bottom plate is the relay of black or have other colours basically, when the relay trouble appears, needs the professional to judge the trouble, the utility model discloses be equipped with insulating translucent cover 4 in the relay outside, translucent cover 4 is fixed as an organic whole with relay 3 itself, and through translucent cover 4, the inside action of relay 3 is clear visible, for example which contacts are for opening, which is for closing, makes things convenient for operating personnel to judge the trouble of relay.

Further, be provided with miniature LED pilot lamp on the input or output line of relay, the pilot lamp sets up in translucent cover 4, makes things convenient for the operator to the judgement of anomaly, and operating personnel accessible pilot lamp observes the action sequence and makes unusual preliminary judgement.

The working principle of the relay of the present invention will be described with reference to fig. 3.

Four groups of relays K1, K2, K3 and K4 are arranged between the input end J1 and the output end J2. K1, K2, K3 and K4 are two normally open two normally closed contacts, and K4 is a time delay relay.

The pins 9 and 10 of the input end J1 are connected with the normally open contact of the button 1, the K1 relay coil is electrified after the button is triggered, the AC2 and the AC-2 contact are closed, thus the pins 1 and 2 of the J1 are communicated with the pins 11 and 12 of the J2, the pin 1 and 2 of the J1 in the circuit are connected with the AC24V, the pin 11 and 12 of the J2 are connected with the control coil of the motor AC contactor, the pin 24V reaches the pin 3 or the pin 5 of the J2 after the other group of normally open contacts of the K1 are closed (for example, determined by a son-mother knob K2 of a lifter), the two-way electromagnetic valve is triggered, and the button 1 can control the motor contactor and the two-way electromagnetic valve, so that the motor is controlled. 3 of input J1, 4 the normally open contact of pin connection knob 2, K3 relay coil gets electric after the knob triggers, 2 group normally closed contact (B, C) switch to 2 normally open contact (A, D), thereby switch output J2 3, 4 and 7, 8 these 2 way solenoid valve control of this output J2 reach 5, 6 and 9, 10 these 2 way solenoid valve control, thereby realize the switching between the gas circuit of master and slave machine and the two-way valve, knob 2 is with regard to the switching of control master and slave machine. The 5, 6 pins of input J1 connect the normally open contact of button 3, and K2 relay coil gets electric after the button triggers, and 2 group normally open contact switch-ons, 1 pin of J2 gets electric like this, and 3 pins or 5 pins (for example by the primary and secondary knob K2 decision of machine of lifting) of J2 get electric to control oil return solenoid valve and two-way solenoid valve, thereby realize that the machine of lifting descends to safe latched position locking. Pins 7 and 8 of an input end J1 are connected with 1 group of normally open contacts of a button 4, pins 8 and 11 are connected with the other group of normally open contacts of the button 4 (pin 8 is a common point of pin 7 and pin 11), after the button is triggered, a coil of a K4 relay is electrified (can be a software delay of a delay relay or a series controller), at the moment, a 24V (24V) of a pin 11 of an input end J1 reaches a coil of the K1 through a normally closed contact of the K4 (delay connection and no action at the moment), a lifter rises (the same principle as that of triggering of an ascending button), after the delay of a delay relay K4 (software delay is adopted), the normally closed contact controls a K1 coil to be powered off and stop rising, 2 groups of normally open contacts are connected, one group of the normally closed contacts triggers the K2 so as to trigger descending locking, and the other group of pins 7 or 9 (determined by a knob K2 of the lifter) reaching an output end J2 to, the safety is opened, the locking is released, so that the lifting machine descends but is not locked, and the button 4 enables the lifting machine to ascend firstly and descend after the delay time is reached. Pins 13 and 14 of the input terminal J1 are connected to the rectified and filtered power supply, and 1 set of direct current 24V rectified and filtered power supply is provided externally.

The above is only the preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed as above by the preferred embodiment, but not limited to the present invention, and those skilled in the art can make some changes or modifications to equivalent embodiments using the above disclosed technical content without departing from the technical scope of the present invention, but all the simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the technical scope of the present invention.

Claims (8)

1. The utility model provides a PCB relay device, includes the PCB bottom plate, its characterized in that, the PCB bottom plate includes input, output to and the multiunit of setting between input and output encapsulates the good relay, and every group relay includes a plurality of normally open contacts and a plurality of normally closed contact, the relay is fixed in through the contact pin of bottom on the PCB bottom plate.

2. The PCB relay device of claim 1, wherein the input terminal and the output terminal of the PCB substrate each comprise a plurality of terminals arranged side by side, the terminals of the input terminal are connected with external control contacts, the terminals of the output terminal are connected with the element component to be controlled, and corresponding control of input and output is realized through a contact interlocking mechanism among a plurality of groups of relays.

3. The PCB relay device according to claim 1 or 2, wherein the relay is externally provided with a transparent cover.

4. The PCB relay device of claim 3, wherein an LED indicator light is provided on an input or output line of the relay.

5. The PCB relay device of claim 2, wherein a plurality of sets of the relays are arranged side by side.

6. The PCB relay device of claim 1, wherein the pins of the relay base are inserted into the openings of the PCB base plate and then fixed by soldering.

7. The PCB relay device of claim 1, wherein the plurality of sets of relays comprise a set of time delay relays.

8. The PCB relay device of claim 6, wherein the pin is flat and the opening is a flat mouth.

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