CN220671838U - Pluggable relay control board card - Google Patents

Abstract

The utility model relates to a pluggable relay control board card. The relay control board is 18 paths of relay control board cards, each path of relay control board comprises a voltage stabilizing circuit, a relay driving circuit, a CAN communication circuit and a single chip microcomputer MCU, wherein the voltage stabilizing circuit is respectively connected with the relay driving circuit, the CAN communication circuit and the single chip microcomputer MCU, and the single chip microcomputer MCU is respectively connected with the relay driving circuit and the CAN communication circuit. The pluggable relay control board card has the advantages of simple structure, high cost performance, convenience in operation and universal applicability.

Description

Pluggable relay control board card

Technical Field

The utility model relates to the field of interfaces such as signal transmission and control, in particular to a pluggable relay control board card.

Background

The pluggable board cards which are more common in the market at present mainly comprise the following components: 1. PXI interface cards, CPCI interface cards, VPX interface cards, etc. These types of boards all have their own dimensions, standard interfaces and definitions, must follow their interface protocols, and are mostly expensive, pass less current, and are not cost effective; 2. and the memory strips, the display cards and other boards connected by golden fingers are small in size, simple to fix, easy to oxidize at the interface and single in use scene. And secondly, the relay control boards on the market are all direct connectors which are different in overall dimension, and when the relay control boards are matched with other equipment, a very small module is often used, and a large amount of wiring is required, so that the relay control boards are very inconvenient to install, overhaul, maintain and the like.

The pluggable relay control board card with small installation volume, high cost performance and convenient operation is invented by combining the self use requirement, changing the type of the connector on the basis of the first board card and customizing the interface and matching with the self-designed bottom plate.

Disclosure of Invention

The utility model aims to provide a pluggable relay control board card which is small in installation volume, high in cost performance and convenient to operate.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a but plug-in relay control panel card, relay control panel card is 18 way relay control panel cards, each way the relay control panel contains specific ID, each way relay control panel includes voltage stabilizing circuit, relay drive circuit, CAN communication circuit and singlechip MCU, voltage stabilizing circuit respectively with relay drive circuit, CAN communication circuit and singlechip MCU are connected, singlechip MCU respectively with relay drive circuit with CAN communication circuit connects.

Optionally, the voltage stabilizing circuit adopts an LM2596-5.0 switching voltage regulator, the voltage stabilizing circuit is a voltage-reducing type power management monolithic integrated circuit, and the voltage stabilizing circuit outputs a driving current of 5V maximum 3A.

Optionally, the relay driving circuit adopts 3 ULN2003 heavy current driving arrays, the relay driving circuit is controlled by a singlechip, and the relay driving circuit inputs 5VTTL level and outputs 500mA/50V.

Optionally, the CAN communication circuit adopts an MCP2515 CAN bus controller and a CTM8251K universal CAN isolation transceiver, and is used for realizing protocol communication of 1Mbps according to CAN 2.0B.

Optionally, the singlechip MCU adopts STC15F2K60S2 series singlechip.

Optionally, the relay control board further comprises a guide rail and a bottom plate, and each relay control board is connected with the bottom plate through the guide rail.

Optionally, the device further comprises a panel and a connector, wherein the panel is arranged on one side of the bottom plate, and the connector is arranged on the other side of the bottom plate.

Optionally, a pull-out aid is further included, the pull-out aid being disposed on the panel.

Optionally, the relay control board card has a size of 100 x 160mm.

Optionally, the power supply range of the relay control board card is 9-36V.

According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:

1) The installation is small, and the maintenance is convenient: through the plug mode, the problems that the external wiring of a relay control board on the market is messy, the installation and the maintenance are inconvenient and the like are avoided.

2) High cost performance: different from the traditional plug-in type board card, the use cost is greatly reduced by adopting own interfaces and interface definitions, and the current which can be born is larger.

3) The operation is simple: the board card can work only by simple plugging and unplugging without complicated wiring and installation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a pluggable relay control board card assembly structure of the present utility model;

FIG. 2 is a schematic diagram of a voltage stabilizing circuit;

FIG. 3 is a schematic diagram of a relay drive circuit;

FIG. 4 is a schematic diagram of a CAN communication circuit;

fig. 5 is a schematic diagram of the principle of the relay control board circuit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model aims to provide a pluggable relay control board card which is small in installation volume, high in cost performance and convenient to operate. Through adopting European style socket DIN41612 and interface custom mode, reduce the integrated circuit board cost, cooperate own bottom plate simultaneously, applicable most 3U standard machine case on the market has reduced the space that the installation needs, and it is also very convenient to maintain.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Fig. 1 is a schematic diagram of a pluggable relay control board card assembly structure according to the present utility model. As shown in fig. 1, the utility model provides a pluggable relay control board, which is an 18-way relay control board, each relay control board comprises a specific identity ID, each relay control board comprises a voltage stabilizing circuit, a relay driving circuit, a CAN communication circuit and a singlechip microcomputer MCU, the voltage stabilizing circuit is respectively connected with the relay driving circuit, the CAN communication circuit and the singlechip microcomputer MCU, and the singlechip microcomputer MCU is respectively connected with the relay driving circuit and the CAN communication circuit.

The voltage stabilizing circuit adopts an LM2596-5.0 switching voltage regulator, is a voltage-reducing type power management monolithic integrated circuit, outputs a driving current of 5V maximum 3A, and has good linearity and load regulation characteristics. Fig. 2 is a schematic diagram of a voltage stabilizing circuit.

The relay driving circuit adopts 3 ULN2003 heavy current driving arrays, the relay driving circuit is controlled by a singlechip, the relay driving circuit inputs 5VTTL level, and the output reaches 500mA/50V. Fig. 3 is a schematic diagram of a relay driving circuit.

The CAN communication circuit adopts an MCP2515 CAN bus controller and a universal CAN isolation transceiver with a cyclic work CTM8251K, and CAN realize the communication of protocols which follow CAN 2.0B at maximum of 1 Mbps. Fig. 4 is a schematic diagram of a CAN communication circuit.

The MCU adopts STC15F2K60S2 series SCM, and has the characteristics of large storage capacity, rich interfaces and the like.

The pluggable relay control board card also comprises a guide rail and a bottom plate, and each relay control board is connected with the bottom plate through the guide rail. The pluggable relay control board card also comprises a panel and a connector, wherein the panel is arranged on one side of the bottom plate, and the connector is arranged on the other side of the bottom plate. The pluggable relay control board card also comprises a pull-up aid, and the pull-up aid is arranged on the panel.

The size of the relay control board is 100 x 160mm. The utility model adopts the 3UPXI board design, the size is consistent with that of the PXI board on the market, the connectors are different, and the utility model can be used on all PXI chassis by matching with the self bottom plate. The power supply range of the relay control board is 9-36V. Fig. 5 is a schematic diagram of the principle of the relay control board circuit.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present utility model and the core ideas thereof; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims (10)

1. The utility model provides a but plug-in relay control panel card, its characterized in that, relay control panel card is 18 way relay control panel cards, each way the relay control panel contains the ID of settlement, each way relay control panel includes voltage stabilizing circuit, relay drive circuit, CAN communication circuit and singlechip MCU, voltage stabilizing circuit respectively with relay drive circuit, CAN communication circuit and singlechip MCU are connected, singlechip MCU respectively with relay drive circuit with CAN communication circuit connects.

2. The pluggable relay control board card of claim 1, wherein the voltage stabilizing circuit adopts an LM2596-5.0 switching voltage regulator, the voltage stabilizing circuit is a buck power management monolithic integrated circuit, and the voltage stabilizing circuit outputs a drive current of 5V max 3A.

3. The pluggable relay control board card of claim 1, wherein the relay driving circuit adopts 3 ULN2003 high current driving arrays, the relay driving circuit is controlled by a single chip microcomputer, and the relay driving circuit inputs 5VTTL level and outputs 500mA/50V.

4. The pluggable relay control board card of claim 1, wherein the CAN communication circuit employs an MCP2515 CAN bus controller and a CTM8251K universal CAN isolation transceiver, the CAN communication circuit being configured to implement a 1Mbps CAN 2.0B compliant protocol communication.

5. The pluggable relay control board card of claim 1, wherein the single-chip microcomputer MCU is an STC15F2K60S2 series single-chip microcomputer.

6. The pluggable relay control board card of claim 1, further comprising a rail and a base plate, each of the relay control boards being connected to the base plate by the rail.

7. The pluggable relay control board card of claim 6, further comprising a faceplate and a connector, the faceplate being disposed on one side of the base plate and the connector being disposed on the other side of the base plate.

8. The pluggable relay control panel card of claim 7, further comprising a pull-up aid disposed on the panel.

9. The pluggable relay control card of claim 1, wherein the relay control card is 100 x 160mm in size.

10. The pluggable relay control board card of claim 1, wherein the power supply range of the relay control board card is 9-36V.