CN216719831U

CN216719831U - Relay module

Info

Publication number: CN216719831U
Application number: CN202123439041.5U
Authority: CN
Inventors: 李坤峰; 刘金枪; 邱桂林
Original assignee: Xiamen Hongfa Electroacoustic Co Ltd
Current assignee: Xiamen Hongfa Electroacoustic Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-10
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a relay module, which comprises a PCB (printed circuit board), a base, a locking block, a plurality of relays and output connecting terminals, wherein the relays and the output connecting terminals are arranged on the PCB; the other end of the locking block in the sliding direction is positioned outside the base; the other end of the locking block in the sliding direction is provided with a first screw hole. After the locking block is provided with the first screw hole, the mounting universality of the utility model is better, and the mounting requirements of a client with a guide rail and a client without the guide rail can be simultaneously met.

Description

Relay module

Technical Field

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

Background

At present, prior art's relay module generally includes PCB board, base, latch segment to and set up a plurality of relays and output terminal on the PCB board, and the PCB board sets up on the base, and the latch segment slides and sets up in the one end bottom of base, and the latch segment is located the base below in its ascending one end of slip side, and is equipped with the fixture block that is used for blocking the guide rail. When the relay module is installed, the base is in sliding fit with the guide rail, and then the guide rail is clamped by the clamping block of the locking block, so that the base and the guide rail are fixed relatively. Therefore, the relay module is suitable for the use places with the guide rails, but is inconvenient to install and fix for the use places without the guide rails.

SUMMERY OF THE UTILITY MODEL

The utility model provides a relay module aiming at the technical problems in the prior art, which not only keeps a structure required by the installation of a guide rail, but also can meet the installation condition without the guide rail.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a relay module comprises a PCB, a base, a locking block, a plurality of relays and output connecting terminals, wherein the relays and the output connecting terminals are arranged on the PCB; the other end of the locking block in the sliding direction is positioned outside the base; the other end of the locking block in the sliding direction is provided with a first screw hole.

Furthermore, the position of the locking piece between the two ends of the locking piece in the sliding direction is provided with an elastic deformation part for driving the locking piece to reset along the direction of enabling the clamping block to clamp the guide rail, and the elastic deformation part is provided with a clamping column which is clamped at the bottom of the base.

Furthermore, the other end of the base is provided with an installation lug, the installation lug is provided with a second screw hole, and the first screw hole and the second screw hole are vertically communicated.

Furthermore, the output wiring terminal is provided with a plurality of groups of pins which are distributed along a preset direction and correspond to the relays one by one, and each group comprises a plurality of pins; and the bottom end of the output wiring terminal is provided with a blocking part between every two adjacent groups of pins respectively, and the blocking part separates the two groups of pins adjacent to the blocking part.

Furthermore, the blocking part comprises at least one vertical baffle, and the length direction of the baffle is perpendicular to the preset direction.

Further, the bottom end of the baffle is flush with the bottom ends of the pins, or the bottom end of the baffle is lower than the bottom ends of the pins.

Furthermore, a plurality of pins of each group are distributed along the length direction of the baffle respectively.

Further, the relays are distributed along the preset direction.

Furthermore, each pin respectively passes downwards a pin hole correspondingly arranged on the PCB, and the blocking part passes downwards a through hole correspondingly arranged on the PCB.

The PCB further comprises an input wiring terminal, the input wiring terminal is arranged on the PCB, and the relays are positioned between the input wiring terminal and the output wiring terminal; the input wiring terminal and the output wiring terminal are respectively spring wiring terminals.

The relay socket further comprises a shell with an opening at the lower end, the shell is connected with the base, and the plurality of relays are contained in a shell cavity of the shell; the PCB is provided with a plurality of light-emitting light sources which are in one-to-one correspondence with the relays, the shell is provided with a plurality of light guide columns which are in one-to-one correspondence with the light-emitting light sources, and the bottom ends of the light guide columns face the corresponding light-emitting light sources respectively.

Compared with the prior art, the utility model has the following beneficial effects:

1. the other end of the locking block in the sliding direction is provided with the first screw hole, so that the locking block is suitable for use places with guide rails, and can also be directly fixed and installed by screws, and the locking block is also suitable for use places without guide rails. Therefore, the installation universality is better, and the installation requirements of the client with the guide rail and the client without the guide rail can be met simultaneously.

2. The mounting lug is arranged at the other end of the base, and the second screw hole is arranged on the mounting lug, so that when the screw is used for fixing and mounting, the second screw hole and the first screw hole can be used for realizing bilateral fixation on the base, and the stability of the base after fixation is improved.

3. Because the bottom end of the output wiring terminal is respectively provided with the blocking part between every two adjacent groups of pins, and the blocking part separates the two adjacent groups of pins, the creepage distance between the pins of the adjacent groups can be increased by using the blocking part, so that the creepage distance requirement for 300V industry can be met, the withstand voltage of a product is improved, and the reliability of the product is improved.

4. The baffle part comprises at least one vertical baffle, and the length direction of the baffle is perpendicular to the preset direction, so that the baffle part is simple in structure and easy to process.

5. Each pin respectively downwards penetrates through the corresponding pin hole on the PCB, and the blocking part downwards penetrates through the corresponding through hole on the PCB, so that the blocking part can also effectively isolate the pins of adjacent groups in the PCB, and the withstand voltage of a product is effectively improved.

The utility model is further explained in detail with the accompanying drawings and the embodiments; however, a relay module according to the present invention is not limited to the embodiment.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a schematic perspective view of the locking segment of the present invention;

fig. 3 is a schematic perspective view of an output terminal of the present invention;

fig. 4 is a perspective view of the assembled state of the PCB and the relay according to the present invention;

fig. 5 is a perspective view illustrating a PCB panel of the present invention in a combined state with input and output connection terminals, etc.;

FIG. 6 is an enlarged partial schematic view of FIG. 5;

fig. 7 is a partial structural view of the PCB panel and the output connection terminal of the present invention in a combined state;

FIG. 8 is an enlarged schematic view of portion A of FIG. 7;

fig. 9 is a partial structural view of a prior art PCB board and output terminals in a combined state;

the PCB comprises a PCB board 1, a PCB board 11, a pin hole 12, a through hole 2, a relay 3, an output wiring terminal 31, a pin 32, a baffle plate 4, an input wiring terminal 5, a base 51, an installation lug 511, a second screw hole 6, a shell 7, a locking block 71, a clamping block 72, a first screw hole 73, an elastic deformation part 74, a clamping column 8 and a light guide column.

Detailed Description

Referring to fig. 1 to 8, the relay module of the present invention includes a PCB 1, a base 5, a locking block 7, and a plurality of relays 2 and output connection terminals 3 disposed on the PCB 1, wherein the PCB 1 is disposed on the base 5, the locking block 7 is slidably disposed at the bottom of one end of the base 5, and one end of the locking block 7 in the sliding direction thereof is located below the base 5 and is provided with a locking block 71 for locking a guide rail; the other end of the locking block 7 in the sliding direction thereof is located outside the base 5 and is provided with a first screw hole 72. The number of the first screw holes 72 is one, but is not limited thereto, and in other embodiments, the number of the first screw holes is more than one.

In this embodiment, the other end of the base 5 is provided with a mounting lug 51, the mounting lug 51 is provided with a second screw hole 511, and the first screw hole 72 and the second screw hole 511 are vertically penetrated. One end and the other end of the base 5 are both ends of the base 5 in the length direction thereof. Thus, when the present invention is fixed and installed by using screws, the second screw hole 511 and the first screw hole 72 can be used to realize bilateral fixation of the base 5, thereby improving the stability of the base 5 after fixation.

In this embodiment, the position between the two ends of the locking block 5 in the sliding direction is provided with an elastic deformation portion 73 for driving the locking block 7 to return along the direction of making the locking block 71 lock the guide rail, the elastic deformation portion 73 is substantially zigzag and is located in a hollow portion of the locking block, a locking column 74 is arranged at a substantially middle portion of the elastic deformation portion 73, and the locking column 74 is locked at the bottom of the base 5.

In this embodiment, the output terminal 3 has a plurality of groups of pins distributed along a predetermined direction and corresponding to the plurality of relays 2, and each group includes a plurality of pins 31. And the parts of the bottom ends of the output wiring terminals 3 between every two adjacent groups of pins are respectively provided with a blocking part, and the blocking parts separate the two groups of pins adjacent to the blocking parts. The preset direction is specifically the width direction of the PCB board 1.

In this embodiment, the blocking portion includes a vertical baffle 32, and the length direction of the baffle 32 is perpendicular to the predetermined direction. In other embodiments, the baffle portion includes at least two vertical baffles 32, and the two vertical baffles 32 are spaced apart along the predetermined direction.

In this embodiment, the bottom end of the baffle 32 is flush with the bottom end of the pin 31, or the bottom end of the baffle 32 is lower than the bottom end of the pin 31. Therefore, when the pins 31 respectively pass through the corresponding pin holes 11 of the PCB 1, the blocking portion (i.e., the baffle 32)) also passes through the corresponding through holes 12 of the PCB 1. The through hole 12 is long and matched with the baffle 32. Each pin 31 is welded and fixed with the corresponding pin control 11.

In this embodiment, the plurality of pins 31 in each group are respectively distributed along the length direction of the baffle 32, and each group of pins 31 includes two pins 31, but is not limited thereto.

In this embodiment, the present invention further includes an input connection terminal 4, the input connection terminal 4 is disposed on the PCB board 1, and the plurality of relays are located between the input connection terminal 4 and the output connection terminal 3. The input wiring terminal 4 and the output wiring terminal 3 are respectively spring wiring terminals.

In this embodiment, the present invention further includes a housing 6 with an opening at the lower end, and the housing 6 is connected to the base 5 and accommodates the plurality of relays 2 in the housing cavity thereof. The utility model also comprises a locking block 7 for fixing the base 5 on the guide rail, wherein the locking block 7 is arranged at the bottom of one end of the base 5. In this embodiment, be equipped with on the PCB board 1 with a plurality of luminescent light sources of relay 2 one-to-one, shell 6 sets up with a plurality of leaded light post 8 of luminescent light source one-to-one, corresponding luminescent light source is faced respectively to each leaded light post 8 bottom.

According to the relay module, the locking block 5 is also provided with the first screw hole 72, so that the relay module is suitable for use places with guide rails, and can also be directly fixed and installed by screws, and the relay module is also suitable for use places without guide rails. Therefore, the method has better installation universality and can simultaneously meet the installation requirements of the client with the guide rail and the client without the guide rail.

In the relay module of the present invention, the creepage distance between each two adjacent groups of pins of the output terminal is L1+ L2+ L3+ L4+ L5, as shown in fig. 8, wherein L1 and L5 are the distance between the baffle 32 and the two adjacent groups of pins, L2 and L4 are the vertical distances between the bottom end of the baffle 32 and the bottom surface of the PCB board 1, and L3 is the thickness of the baffle 32. If the baffle 32 is not disposed at the bottom end of the output terminal 3, the creepage distance between each two adjacent groups of pins is L, as shown in fig. 9, where L is the distance between two adjacent groups of pins. Compared with L, the sum of L1, L2, L3, L4 and L5 has the advantages that L2 and L4 are added, so that the creepage between adjacent groups of pins on the output side of the high-voltage power supply can be obviously increased, the requirement of the creepage distance for 300V industry can be met, the withstand voltage of a product is improved, and the reliability of the product is improved.

The above embodiments are only used to further illustrate the relay module of the present invention, but the present invention is not limited to the embodiments, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the technical solution of the present invention.

Claims

1. A relay module comprises a PCB, a base, a locking block, a plurality of relays and output connecting terminals, wherein the relays and the output connecting terminals are arranged on the PCB; the other end of the locking block in the sliding direction is positioned outside the base; the method is characterized in that: the other end of the locking block in the sliding direction is provided with a first screw hole.

2. The relay module according to claim 1, wherein: the locking block is provided with an elastic deformation part between two ends in the sliding direction for driving the locking block to reset along the direction of clamping the guide rail by the clamping block, and the elastic deformation part is provided with a clamping column which is clamped at the bottom of the base.

3. The relay module according to claim 1 or 2, wherein: the other end of the base is provided with an installation lug, the installation lug is provided with a second screw hole, and the first screw hole and the second screw hole are vertically communicated.

4. The relay module according to claim 1, wherein: the output wiring terminal is provided with a plurality of groups of pins which are distributed along a preset direction and correspond to the relays one by one, and each group comprises a plurality of pins; and the bottom end of the output wiring terminal is provided with a blocking part between every two adjacent groups of pins respectively, and the blocking part separates the two groups of pins adjacent to the blocking part.

5. The relay module according to claim 4, wherein: the baffle part comprises at least one vertical baffle, and the length direction of the baffle is vertical to the preset direction.

6. The relay module according to claim 5, wherein: the bottom end of the baffle is flush with the bottom ends of the pins, or the bottom end of the baffle is lower than the bottom ends of the pins.

7. The relay module according to claim 5, wherein: the pins of each group are distributed along the length direction of the baffle plate respectively; the relays are distributed along the preset direction.

8. The relay module according to any one of claims 4-7, wherein: each pin respectively downwards penetrates through a pin hole correspondingly arranged on the PCB, and the blocking part downwards penetrates through a through hole correspondingly arranged on the PCB.

9. The relay module according to claim 1, wherein: the PCB is characterized by also comprising an input wiring terminal, wherein the input wiring terminal is arranged on the PCB, and the relays are positioned between the input wiring terminal and the output wiring terminal; the input wiring terminal and the output wiring terminal are respectively spring wiring terminals.

10. The relay module according to claim 1, wherein: the shell is connected with the base and contains the relays in a shell cavity of the shell; the PCB is provided with a plurality of light-emitting light sources which are in one-to-one correspondence with the relays, the shell is provided with a plurality of light guide columns which are in one-to-one correspondence with the light-emitting light sources, and the bottom ends of the light guide columns face the corresponding light-emitting light sources respectively.