CN220493371U - Electric power simulation signal conversion equipment cabinet with wide frequency, wide voltage and multiple types of interfaces - Google Patents

Abstract

The utility model discloses a power simulation signal conversion equipment cabinet with a wide frequency, wide voltage and multiple types of interfaces, belongs to the technical field of cabinets, and solves the problem that various interfaces are matched with various independent IO boards of the same cabinet from interfaces of a power real-time simulator. The portable electronic device comprises a box body and a box cover movably matched with the box body, wherein a baffle is arranged in the box body, the baffle is matched with the box cover to form a first installation area for installing a signal conversion board card, a second installation area for installing a data processing card and a third installation area for installing a power supply module, one side of the first installation area is provided with a plurality of IO interfaces matched with the signal conversion board card, and the box cover is provided with a plurality of IO interfaces matched with the signal conversion board card. The utility model is used for integrating the wide-frequency wide-voltage multi-type interface power simulation signal conversion equipment.

Description

Electric power simulation signal conversion equipment cabinet with wide frequency, wide voltage and multiple types of interfaces

Technical Field

A case of a wide-frequency wide-voltage multi-type interface power simulation signal conversion device is used for integrating the wide-frequency wide-voltage multi-type interface power simulation signal conversion device, and belongs to the technical field of cases.

Background

In the current power hardware in a loop real-time simulation system, the external equipment such as a relay protection device, a controller and the like which need to be connected is provided with equipment with digital input and output and analog input and output electric signal IO interfaces, the existing scheme is that the equipment is connected with external equipment through the IO interfaces of the power real-time simulator or the independent IO boards of the same cabinet which are matched with the equipment, and the technical problems are as follows:

1) Different types of IO boards are scattered, namely, various interfaces are derived from the interfaces of the power real-time simulator and various independent IO boards of the same cabinet matched with the interfaces, which is not beneficial to the early planning of the system (not beneficial to hierarchical management), the actual construction of the system and the later maintenance of the system, and faults are easy to occur (namely, the interfaces cannot be clearly configured, so that a certain interface is easy to be connected too much, the problem is easy to occur, and the like);

2) The number of IO interfaces of the power real-time simulator or the number of independent IO boards of the same cabinet which can be externally connected is limited, and the power real-time simulator is not suitable for a power hardware in-loop real-time simulation scene with large IO interface number requirements;

3) The IO interfaces of the power real-time simulator or the independent IO boards of the same cabinet matched with the power real-time simulator are intensively arranged in the simulator cabinet, the wiring density in the simulator cabinet is high, the distance between the signal sending interface and the receiving equipment is long, and the problems of signal interference and attenuation and great influence on the stability and accuracy of simulation exist.

Disclosure of Invention

The utility model aims to provide a case of a wide-frequency wide-voltage multi-type interface power simulation signal conversion device, which solves the problems that various interfaces are derived from interfaces of a power real-time simulator and various independent IO (input/output) boards of the same cabinet matched with the interfaces, are not beneficial to early planning of a system, actual construction of the system and later maintenance of the system, and are easy to cause faults.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a wide frequency wide voltage multi-type interface electric power emulation signal conversion equipment machine case, includes the box, with box clearance fit's case lid, be provided with the baffle in the box, the baffle cooperatees with the case lid and forms the first installation region of installation signal conversion integrated circuit board, the second installation region of installation data processing card and the third installation region of installation power supply module, first installation region one side is provided with a plurality of IO interfaces with signal conversion integrated circuit board matched with on the case lid.

Further, the box body comprises a bottom panel, a front panel and a rear panel which are connected with the bottom panel, and a left side panel and a right side panel which are connected with the front panel, the rear panel and the bottom panel;

the front panel is provided with an air inlet, and the left side panel and the right side panel are provided with air outlet;

a first installation area for installing a signal conversion board card is formed by the baffle and the rear panel, a second installation area for installing a data processing card is formed between the baffle and the left side panel, and a third installation area for installing a power supply module is formed between the second installation area, the baffle and the front panel;

the back panel is provided with a power interface, a communication interface and a plurality of IO interfaces matched with the signal conversion board card;

the third installation area comprises a line pressing area and a power supply area, and the line pressing area is arranged adjacent to the baffle.

Further, the line pressing area is provided with a line pressing plate which is movably matched with the bottom plate.

Further, a plurality of heat dissipation through holes which are used for accommodating the connecting wires of the signal conversion board card and pass through and are arranged below the line pressing board are arranged on the baffle.

Further, a filter plate is arranged on the front panel, and through holes corresponding to the air inlet holes are formed in the filter plate.

Further, a handle is further arranged on the front panel.

Further, the communication interface comprises a JTAG aviation interface, an Ethernet LAN interface, an SMA interface and an SFP interface;

the back panel is also provided with a communication indication lamp hole;

the filter board is provided with a power supply indicator lamp hole and an operation indicator lamp hole for installing the power supply indicator lamp and the operation indicator lamp, and the front panel is provided with indicator lamp display holes corresponding to the power supply indicator lamp hole and the operation indicator lamp hole.

Further, the air outlet hole on the left side panel and the air outlet hole on the right side panel are respectively arranged adjacent to the second installation area and the first installation area.

Further, the box body is integrally arranged; or (b)

The bottom panel is integrally arranged with the left side panel and the right side panel, and the front panel and the rear panel are movably matched with the bottom panel, the left side panel and the right side panel.

Further, the size of the box body is 480 x 400 x 88.9mm;

the IO interfaces are arranged in a double-layer mode, and the number of the IO interfaces is 8.

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

1. according to the utility model, different types of IO (input/output) boards (signal conversion boards) are arranged in a first installation area through the box body, the data processing boards are arranged in a second installation area, and the power supply module is arranged in a third installation area, and the signal conversion boards, the data processing boards and the power supply module are integrated in the box body through the box body partition, so that the early planning (such as grading management) of the system, the actual construction of the system and the later maintenance of the system are facilitated, and meanwhile, the problem of easy fault initiation is avoided;

2. the utility model is provided with the line pressing area, and the line pressing area is arranged adjacent to the baffle plate, so that the connecting line in the shell is conveniently fixed in the area, and the subsequent overhaul is convenient;

3. the utility model is provided with the line pressing plate, so that the connecting line is conveniently fixed on the bottom panel through the line pressing plate, and the disorder of the connecting line is avoided;

4. the heat dissipation through holes are arranged on the baffle plate, so that connecting wires in the first installation area can conveniently pass through and are arranged below the line pressing plate, the connecting wires can be distributed and limited, and meanwhile, the heat dissipation through holes can also play a role in heat dissipation;

5. the utility model provides a filter plate to facilitate the filtration of dust;

6. the utility model is provided with the handle to facilitate the movement of the box body and the like;

7. at least 8 IO interfaces can be arranged, and the method is suitable for a real-time simulation scene of power hardware in a loop with large IO interface number requirements;

8. the utility model sets the signal conversion board card and the like in the box body, can effectively avoid the problems of overlarge density of connecting wires or overlong connecting wires in the box body and long distance between the signal sending interface and the receiving equipment, thereby effectively avoiding the problems of signal interference and attenuation and great influence on the stability and accuracy of simulation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an expanded structure of the utility model with a signal conversion board card, a data processing card and a power supply module mounted thereon;

FIG. 3 is a schematic view of the structure of the case body provided with the baffle and the line pressing plate;

FIG. 4 is a schematic view of the unfolded structure of the case of the present utility model;

FIG. 5 is a schematic view of a filter plate according to the present utility model;

FIG. 6 is a schematic view of a baffle plate according to the present utility model;

FIG. 7 is a schematic view of a medium voltage wire board according to the present utility model;

in the figure: 1-box, 2-case lid, 3-bottom panel, 4-front panel, 5-rear panel, 6-left side panel, 7-right side panel, 8-baffle, 9-inlet opening, 10-outlet opening, 11-power interface, 12-communication interface, 13-IO interface, 14-line ball board, 15-heat dissipation through hole, 16-filter board, 17-through hole, 18-JTAG avionics interface, 19-Ethernet LAN interface, 20-SMA interface, 21-SFP interface, 22-communication indicator light hole, 23-power indicator light hole, 24-operation indicator light hole, 25-indicator light display hole, 26-handle.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

Example 1

In order to solve the problems that various interfaces are derived from the interfaces of the power real-time simulator and various independent IO board cards of the same cabinet matched with the interfaces, the early planning, the actual construction and the later maintenance of the system are not facilitated, and faults are easy to cause. As shown in fig. 1-7, a case of a power simulation signal conversion device with a wide frequency, wide voltage and multiple types of interfaces is provided, which is characterized in that: comprises a box body 1 and a box cover 2 which is movably matched with the box body 1; the box body 1 comprises a bottom panel 3, a front panel 4 and a rear panel 5 which are connected with the bottom panel 3, and a left side panel 6 and a right side panel 7 which are connected with the front panel 4, the rear panel 5 and the bottom panel 3; a baffle plate 8 is arranged in the box body 1, a first installation area for installing a signal conversion board card is formed by the baffle plate 8 and the rear panel 5, a second installation area for installing a data processing card is formed between the baffle plate and the left panel 6, and a third installation area for installing a power supply module is formed between the second installation area, the baffle plate 8 and the front panel 4; the front panel 4 is provided with an air inlet 9, and the left side panel 6 and the right side panel 7 are provided with air outlet 10; the back panel 5 is provided with a power interface 11, a communication interface 12 and a plurality of IO interfaces 13 matched with the signal conversion board card.

In practice, an air inlet 9 is formed in the rear front panel 4, air outlets 10 are formed in the left side panel 6 and the right side panel 7, a power interface 11, a communication interface 12 and a plurality of IO interfaces 13 matched with signal conversion boards are formed in the rear panel 5, the box body is assembled or integrally formed, after the box body is assembled, a baffle is assembled through matching of threaded columns and screws, after the baffle is assembled as shown in fig. 2, a plurality of signal conversion boards (assembled through the threaded columns and the screws) are assembled in a first formed installation area, each signal conversion board is matched with the IO interface 13, a data processing card is assembled in a second installation area, and a power supply module is assembled in a third installation area. According to the utility model, different types of IO (input/output) boards (signal conversion boards) are arranged in a first installation area through the box body, the data processing boards are arranged in a second installation area, and the power supply module is arranged in a third installation area, and the signal conversion boards, the data processing boards and the power supply module are integrated in the box body through the box body partition, so that the early planning (such as grading management) of the system, the actual construction of the system and the later maintenance of the system are facilitated, and meanwhile, the problem of easy fault initiation is avoided.

Example 2

On the basis of embodiment 1, the third installation region includes a crimping region and a power supply region, the crimping region being disposed adjacent to the baffle plate 8. The line pressing area is arranged, and the line pressing area and the baffle are adjacently arranged, so that the connecting line in the shell is conveniently fixed in the area, and the subsequent overhaul is convenient.

The line pressing area is provided with a line pressing plate 14 which is movably matched with the bottom plate. The purpose that sets up the line ball board is, is convenient for fix the connecting wire on the bottom plate through the line ball board to avoid the connecting wire to be mixed and disorderly, be provided with the mounting hole on the line ball board, and set up the screw thread post on through the bottom plate and fix with the screw cooperatees.

Example 3

On the basis of embodiment 2, the baffle plate 8 is provided with a plurality of heat dissipation through holes 15 through which connecting wires for accommodating the signal conversion board pass and are arranged below the wire pressing plate. The purpose of setting up the heat dissipation through-hole on the baffle is convenient for be located the connecting wire of first installation region and pass and put under the line ball board to can distribute spacingly to each connecting wire, the heat dissipation through-hole can also play radiating effect simultaneously. If the connecting wire passes through and then radiates heat by using the vacant space, or radiates heat by using the unused heat radiation through holes.

Example 4

On the basis of embodiment 3, a filter plate 16 is disposed on the front panel, a through hole 17 corresponding to the air inlet 9 is disposed on the filter plate 16, a radiator fan is mounted at the through hole 17, and the fan is located in the power supply area of the third mounting area. The purpose of the filter plate is to facilitate the filtering of dust.

Example 5

On the basis of embodiment 4, the front panel 4 is further provided with one or two handles 26, which are provided for the purpose of facilitating the movement of the case, etc.

Example 6

Based on embodiment 5, the communication interface 12 includes a JTAG air interface 18, an Ethernet LAN interface 19, an SMA interface 20, and an SFP interface 21;

the rear panel 5 is also provided with a communication indicator light hole 22; the data processing board card mates with an ethernet LAN interface 19, an SMA interface 20, an SFP interface 21 and a communication indicator light hole 22.

The filter board 16 is provided with a power indicator hole 23 and an operation indicator hole 24 for installing a power indicator and an operation indicator, and the front panel 4 is provided with an indicator display hole 25 corresponding to the power indicator hole 23 and the operation indicator hole 24.

The air outlet 10 on the left side panel 6 and the air outlet 10 on the right side panel 7 are respectively adjacent to the second installation area and the first installation area. The air drawn in by the cooling fan through the air inlet hole passes through the cooling through holes and other areas on the baffle plate and then exits from the air outlet hole, thereby playing a role in cooling.

Example 7

On the basis of embodiment 6, the case 1 is integrally provided; or (b)

The bottom panel 3 is integrally arranged with the left side panel 6 and the right side panel 7, and the front panel 4 and the rear panel 5 are movably matched with the bottom panel 3, the left side panel 6 and the right side panel 7.

The size of the box body 1 is 480 x 400 x 88.9mm, and the box body is a quasi-server cabinet;

the number of the IO interfaces 13 is 8, and the number of the IO interfaces is two, and each layer is 4.

In summary, the box body is used for assembling and fixing 8 signal conversion board cards, namely 2 digital quantity input cards, 2 digital quantity output cards, 2 analog quantity input cards and 2 analog quantity output cards, wherein 1 digital quantity output card is set to 1kHz frequency and 220VDC output voltage, the other 1 digital quantity output card is set to 1MHz frequency and 24VDC output voltage, 2 digital quantity input and output cards are set to 1MHz frequency and 24VDC voltage input, and the 2 analog quantity input cards and the 2 analog quantity output cards are set to 100kHz and + -10 VDC voltage to execute analog quantity input and output tasks.

The power supply with larger power is needed for upgrading various functional modules embedded in the later stage of the box body, 2 areas are reserved in the box body for assembling and accommodating 2 power supply modules, the assembled power supply modules support AC/DC 220V voltage, the voltage can be converted into +/-5V, +/-15V and +/-24V direct current voltage required by other components, and the power supply is 35W. In practice, the box body can be assembled and fixed with 1 power supply module, the other power supply assembly position is left as a reserved area for non-assembly, the assembled power supply module converts the 220V alternating current power supply into +/-5 VDC, +/-15 VDC and +/-24 VDC voltages, working power is provided for other components, and the output power of the power supply is set to be 35W.

Two through holes are arranged on the filter plate, and 2 independent cooling fans with cooling power of 5W are respectively matched for cooling the equipment.

The signal conversion board card is routed to the data processing board card (the data processing board card comprises MCU, FPGA and other operation components, and can be connected with external equipment such as an upper computer through the interface containing Aurora protocol, ethernet protocol and SMA, and SFP interface), and the connection wire is covered by the traffic line pressing board, so that the power supply connection wire of the power supply module and other functional modules is completed, and the box cover is installed after the installation in the box body is completed.

The box body correspondingly accommodates the assembled equipment, and can be connected with and linked with electric signal equipment such as an electric power real-time simulator such as a moment of action, an RTDS (real time digital system), an RTLAB (real time laboratory) and the like to participate in an electric power real-time simulation task.

In summary, the utility model integrates the functional module related to the electrical signal IO interface in the loop real-time simulation system, is beneficial to the early planning, actual construction and later maintenance of the system, and reduces the failure rate of the system; the box body is used for arranging and planning the integrated space, so that the space utilization rate is improved, and a larger number of IO interfaces can be configured to adapt to the real-time simulation scene of the power hardware with large IO interface requirements in the loop; after the box body integrates the functional modules, the integrated equipment can be distributed according to the space position condition of the field equipment, so that wiring in the simulator cabinet is reduced, the IO signal transmission distance is shortened, and the anti-interference and anti-attenuation effects are facilitated.

Claims (10)

1. The utility model provides a wide frequency wide voltage multi-type interface electric power simulation signal conversion equipment machine case, includes box (1), with box (1) movable fit's case lid (2), its characterized in that: be provided with baffle (8) in box (1), baffle (8) cooperate with case lid (2) and form the first installation region of installation signal conversion integrated circuit board, install the second installation region of data processing card and install the third installation region of power supply module, first installation region one side is provided with a plurality of IO interfaces (13) with signal conversion integrated circuit board matched with on case lid (2).

2. The wide-frequency wide-voltage multi-type interface power simulation signal conversion equipment cabinet according to claim 1, wherein: the box body (1) comprises a bottom panel (3), a front panel (4) and a rear panel (5) which are connected with the bottom panel (3), and a left side panel (6) and a right side panel (7) which are connected with the front panel (4), the rear panel (5) and the bottom panel (3);

an air inlet hole (9) is formed in the front panel (4), and air outlet holes (10) are formed in the left side panel (6) and the right side panel (7);

a first installation area for installing a signal conversion board card is formed by the baffle (8) and the rear panel (5), a second installation area for installing a data processing card is formed between the baffle and the left side panel (6), and a third installation area for installing a power supply module is formed between the second installation area, the baffle (8) and the front panel (4);

the rear panel (5) is provided with a power interface (11), a communication interface (12) and a plurality of IO interfaces (13) matched with the signal conversion board card;

the third installation area comprises a line pressing area and a power supply area, and the line pressing area is arranged adjacent to the baffle (8).

3. The wide-frequency wide-voltage multi-type interface power simulation signal conversion equipment cabinet according to claim 2, wherein: and the line pressing area is provided with a line pressing plate (14) which is movably matched with the bottom plate.

4. A wide frequency wide voltage multi-type interface power emulation signal conversion equipment cabinet according to claim 3, wherein: the baffle (8) is provided with a plurality of heat dissipation through holes (15) which are used for accommodating the connecting wires of the signal conversion board card and are arranged below the line pressing plate.

5. The wide frequency, wide voltage, multi-type interface power emulation signal conversion equipment cabinet of claim 4, wherein: the front panel is provided with a filter plate (16), and the filter plate (16) is provided with a through hole (17) corresponding to the air inlet (9).

6. The wide-frequency wide-voltage multi-type interface power simulation signal conversion equipment cabinet according to claim 5, wherein: the front panel (4) is also provided with a handle (26).

7. The wide-frequency wide-voltage multi-type interface power simulation signal conversion equipment cabinet according to claim 6, wherein: the communication interface (12) comprises a JTAG aviation interface (18), an Ethernet LAN interface (19), an SMA interface (20) and an SFP interface (21);

the rear panel (5) is also provided with a communication indication lamp hole (22);

the filter board (16) is provided with a power supply indication lamp hole (23) and an operation indication lamp hole (24) for installing a power supply indication lamp and an operation indication lamp, and the front panel (4) is provided with an indication lamp display hole (25) corresponding to the power supply indication lamp hole (23) and the operation indication lamp hole (24).

8. The wide frequency wide voltage multi-type interface power emulation signal conversion equipment cabinet of claim 7, wherein: the air outlet holes (10) on the left side panel (6) and the air outlet holes (10) on the right side panel (7) are respectively arranged adjacent to the second installation area and the first installation area.

9. The wide-frequency wide-voltage multi-type interface power simulation signal conversion equipment cabinet according to any one of claims 2-8, wherein: the box body (1) is integrally arranged; or (b)

The bottom panel (3) is integrally arranged with the left side panel (6) and the right side panel (7), and the front panel (4) and the rear panel (5) are movably matched with the bottom panel (3), the left side panel (6) and the right side panel (7).

10. The wide frequency, wide voltage, multi-type interface power emulation signal conversion equipment cabinet of claim 9, wherein: the size of the box body (1) is 480 x 400 x 88.9mm;

the IO interfaces (13) are arranged in a double-layer mode, and the number of the IO interfaces is 8.