Relay protection data converter

Abstract

The utility model discloses a relay protection data converter which comprises a relay protection converter body, and the outer side surface of the relay protection converter body is provided with a PCIe expansion slot designed by a pluggable protocol daughter card. The top of the relay protection converter body is provided with a heat dissipation copper plate and an air exhaust cylinder which are used for improving the heat dissipation performance, and a dust screen which is convenient to disassemble, assemble and clean, the PCIe expansion slot is reserved on the side surface of the relay protection converter body, and an automatic protocol identification algorithm is configured; a decoding mode is automatically switched by detecting a data frame header feature code (such as an Ethernet type field xBA), the problem of interconnection of equipment of multiple manufacturers is solved, a heterogeneous communication environment of a new energy station is adapted, meanwhile, the heat dissipation performance of a relay protection converter body is improved by utilizing a heat dissipation copper plate, an exhaust cylinder and a dust screen, and stable operation of the equipment within a normal temperature range is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to methyl tert -butyl ether preparation technical field, concretely is a relay protection data converter. BACKGROUND

[0002] The relay protection data converter is a kind of key equipment in the relay protection device of power system, mainly for converting analog signal into digital signal, so that microcomputer or other digital processing system can further process and analyze these signals, and the relay protection data converter is a kind of hardware circuit, usually also called A / D (analog-digital) converter.It compares the input analog signal (such as voltage, current, etc.) with analog reference quantity, and is converted into digital quantity output by decoding circuit, and the relay protection data converter is indispensable equipment in power system, it provides important support for the safe operation and fault handling of power system by converting analog signal into digital signal.

[0003] At present, the relay protection device in power system needs to interface multiple signal sources, and single converter only supports specific communication protocol, which leads to additional configuration of protocol gateway when multiple-vendor equipment is interconnected, and the equipment lacks heat dissipation structure design, which is easy to produce high temperature and affect operation efficiency.

[0004] Therefore, a relay protection data converter is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved by the utility model

[0006] In view of the deficiencies of prior art, the purpose of the utility model is to provide a relay protection data converter, to solve the problem that the relay protection device in power system needs to interface multiple signal sources under prior art, single converter only supports specific communication protocol, which leads to additional configuration of protocol gateway when multiple-vendor equipment is interconnected, and the equipment lacks heat dissipation structure design, which is easy to produce high temperature and affect operation efficiency.

[0007] 2. Technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme:

[0009] A relay protection data converter, including relay protection converter body, the outer side of the relay protection converter body is equipped with the PCIe extension slot of pluggable protocol daughter card design, the top of the relay protection converter body is equipped with the heat dissipation copper plate and the exhaust cylinder of improving heat dissipation performance and the dustproof net of being convenient for dismounting and cleaning.

[0010] As the preferred scheme of the utility model, the PCIe extension slot is externally provided with a buckle type protective cover plate, the PCIe extension slot supports insertion of IEC 61850-9-2, GOOSE, DNP3 different protocol processing modules, and is compatible with twelve mainstream power communication protocols, and the replacement time is less than three seconds.

[0011] As the preferred scheme of the utility model, the top of the relay protection converter body is provided with a sliding groove on both inner sides, the dustproof net is provided with a sliding plate at both ends of the bottom and is slidingly installed on the inner side of the sliding groove, and the bottom of the dustproof net is provided with a two-centimeter gap with the top of the heat dissipation copper plate.

[0012] As the preferred scheme of the utility model, the dustproof net is symmetrically provided with a connecting plate with a round hole groove at both ends of one side, the connecting plate can be clamped into the groove at one end of the sliding groove on the top of the relay protection converter body and is fixed by screwing, a U-shaped groove is formed at one end of the dustproof net, and the outer ring surface of the air exhaust cylinder is attached to the inner side of the U-shaped groove.

[0013] As the preferred scheme of the utility model, the air exhaust cylinder is embeddedly installed on the heat dissipation copper plate, the air exhaust cylinder is made of plastic material, a check valve is installed at the inner top of the air exhaust cylinder, and an air exhaust fan is installed at the inner bottom of the air exhaust cylinder.

[0014] As the preferred scheme of the utility model, the check valve is opened when the air exhaust fan is started to blow upward, the check valve is automatically closed when the air exhaust fan is turned off, and the bottom of the air exhaust cylinder is in communication with the internal component installation cavity of the relay protection converter body. Advantages

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a relay protection data converter, which comprises a relay protection converter body, a PCIe extension slot is reserved on the side of the relay protection converter body, an automatic protocol identification algorithm is configured, a data frame header characteristic code (such as an Ethernet type fieldxBA) is detected, and a decoding mode is automatically switched, so that the interconnection difficulty of multi-vendor equipment is solved, the heterogeneous communication environment of a new energy station is adapted, the heat dissipation performance of the relay protection converter body is improved by using a heat dissipation copper plate, an air exhaust cylinder and a dustproof net, and stable operation of equipment in a normal temperature range is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model one kind relay protection data converter;

[0018] Figure 2 It is a relay protection converter body structure schematic view of the utility model one kind relay protection data converter;

[0019] Figure 3 It is a dustproof net structure schematic view of a relay protection data converter of the utility model;

[0020] Figure 4 It is a dustproof net structure schematic view of a relay protection data converter of the utility model;

[0021] In the drawing: 1, relay protection converter body; 11, PCIe extension slot; 12, heat dissipation copper plate; 13, sliding groove; 2, dustproof net; 21, sliding plate; 22, U-shaped groove; 3, exhaust cylinder; 31, check valve; 32, exhaust fan. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. EMBODIMENT

[0023] Please refer to Figures 1-4 , the embodiment provides a relay protection data converter, including relay protection converter body 1, the outside of relay protection converter body 1 is equipped with the PCIe extension slot 11 of pluggable protocol daughter card design, the top of relay protection converter body 1 is equipped with the heat dissipation copper plate 12 and exhaust cylinder 3 of improving heat dissipation performance and the dustproof net 2 of facilitating disassembly and cleaning, the relay protection data conversion in use, through reserving PCIe extension slot 11 on the side of relay protection converter body 1, configuration automatic protocol recognition algorithm, through detecting data frame header characteristic code such as Ethernet type field 0x88BA automatic switching decoding mode, solve the interconnection problem of multi-vendor equipment, adapt to new energy station heterogeneous communication environment, improve the heat dissipation performance of relay protection converter body 1 by using heat dissipation copper plate 12, exhaust cylinder 3 and dustproof net 2, guarantee the stable operation of equipment in normal temperature range.

[0024] In the embodiment, as Figure 2 Shown, the external installation of PCIe extension slot 11 has buckle type protective cover plate, PCIe extension slot 11 supports inserting IEC 61850-9-2, GOOSE, DNP3 different protocol processing module, and is compatible with twelve kinds of mainstream power communication protocol, and the replacement time is less than three seconds, so as to solve the interconnection problem of multi-vendor equipment, adapt to new energy station heterogeneous communication environment problem.

[0025] In the embodiment, as Figure 1 And Figure 3As shown, the top of the relay protection converter body 1 is provided with a sliding groove 13 on both inner sides, the bottom of the dust screen 2 is provided with a sliding plate 21 matched with the size of the sliding groove 13 and is slidingly installed on the inner side of the sliding groove 13, the bottom of the dust screen 2 is provided with a two-centimeter gap with the top of the heat dissipation copper plate 12, the dust screen 2 is symmetrically provided with a connecting plate with a round hole groove at both ends of one side, the connecting plate can be clamped into the groove at one end of the sliding groove 13 on the top of the relay protection converter body 1 and is fixed by a bolt, one end of the dust screen 2 is provided with a U-shaped groove 22, and the outer ring surface of the exhaust cylinder 3 is attached to the inner side of the U-shaped groove 22, so that the dust screen 2 can be easily disassembled and cleaned, and the ventilation and heat dissipation effect of the dust screen 2 is guaranteed.

[0026] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 4 , the exhaust cylinder 3 is embeddedly installed on the heat dissipation copper plate 12, the exhaust cylinder 3 is made of plastic material, the inner top of the exhaust cylinder 3 is provided with a check valve 31, and the inner bottom of the exhaust cylinder 3 is provided with an exhaust fan 32, the check valve 31 is opened when the exhaust fan 32 is started to blow upward, the check valve 31 is automatically closed when the exhaust fan 32 is closed, and the bottom of the exhaust cylinder 3 is in communication with the internal component installation cavity of the relay protection converter body 1, so that the heat dissipation performance of the device inside can be effectively accelerated by the exhaust fan 32, and foreign matters can be prevented from entering the internal components of the relay protection converter body 1 by the check valve 31.

[0027] Working principle: the relay protection data conversion, when in use, is provided with a buckle type protective cover plate outside the PCIe expansion slot 11, the PCIe expansion slot 11 supports inserting IEC 61850-9-2, GOOSE, DNP3 different protocol processing modules, and is compatible with twelve mainstream power communication protocols, the replacement time is less than three seconds, so as to solve the interconnection problem of devices of multiple manufacturers, adapt to the heterogeneous communication environment of new energy stations, and improve the natural heat dissipation performance of the relay protection converter body 1 by the heat dissipation copper plate 12 and the dust screen 2, and the heat generated inside the device is discharged from the exhaust cylinder 3 by the exhaust fan 32, so as to effectively accelerate the heat dissipation performance of the device inside, prevent foreign matters from entering the internal components of the relay protection converter body 1 by the check valve 31, and guarantee the stable operation of the device.

[0028] All the technical features in the embodiment can be freely combined according to actual needs.

[0029] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A relay protection data converter, comprising a relay protection converter body (1), characterized in that: The outer side of the relay protection converter body (1) is provided with a PCIe expansion slot (11) with a pluggable protocol daughter card design. The top of the relay protection converter body (1) is equipped with a heat dissipation copper plate (12) to improve heat dissipation performance, an exhaust duct (3), and a dustproof mesh (2) for easy disassembly and cleaning.

2. The relay protection data converter according to claim 1, characterized in that: The PCIe expansion slot (11) is equipped with a snap-on protective cover. The PCIe expansion slot (11) supports the insertion of different protocol processing modules such as IEC 61850-9-2, GOOSE, and DNP3, and is compatible with twelve mainstream power communication protocols. The replacement time is less than three seconds.

3. A relay protection data converter according to claim 1, characterized in that: The top two inner sides of the relay protection converter body (1) are provided with sliding grooves (13). The bottom ends of the dustproof net (2) are equipped with sliding plates (21) that match the size of the sliding groove (13) and are slidably installed on the inner side of the sliding groove (13). There is a two-centimeter gap between the bottom of the dustproof net (2) and the top of the heat dissipation copper plate (12).

4. A relay protection data converter according to claim 1, characterized in that: The dustproof net (2) has connecting plates with round hole slots symmetrically installed at both ends on one side. The connecting plates can be inserted into the groove at one end of the top slide groove (13) of the relay protection converter body (1) and tightened by bolts. The dustproof net (2) has a U-shaped groove (22) at one end. Part of the outer ring surface of the exhaust duct (3) is in contact with the inner side of the U-shaped groove (22).

5. A relay protection data converter according to claim 4, characterized in that: The exhaust duct (3) is embedded in the heat dissipation copper plate (12). The exhaust duct (3) is made of plastic material. A check valve (31) is installed on the top inner side of the exhaust duct (3), and an exhaust fan (32) is installed on the bottom inner side of the exhaust duct (3).

6. A relay protection data converter according to claim 5, characterized in that: When the exhaust fan (32) is started, it blows air upwards, which will open the check valve (31). When the exhaust fan (32) is turned off, the check valve (31) will automatically close. The bottom of the exhaust duct (3) is connected to the internal component mounting cavity of the relay protection converter body (1).

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