A driver board tester

Abstract

The utility model relates to the field of wind power converter, concretely is a kind of drive board tester, it includes: protective box, host case is set in protective box, host case bottom is set DC support capacitor, bridge rectifier, step-up transformer and control panel, power board is set on host case left side inner wall, DC support capacitor both ends are connected in parallel discharge resistance;And operation panel, set in host case top, DC1000V output socket, DC24V output socket, 2P air switch, keyboard, drive interface and AC220V input socket are set on operation panel, operation panel bottom is set main circuit interface board and pre-charge resistance. In the utility model, circuit principle logic is reasonably arranged, avoids connection wire intersection;Middle is placed to be measured drive board and IGBT, keyboard is placed in right lower corner, overall layout is reasonable, simple. Operation panel and host case adopt 5 series aviation aluminum, high strength quality light, convenient to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wind power converter, especially to a drive board tester. BACKGROUND

[0002] In the new energy wind power generation system, the drive board is one of the core components of the wind power converter, and occupies a very important position. In order to adapt to the replacement of domestic drive board, a portable drive board tester is applied.

[0003] The prior art product places the control panel on the operation panel, the keyboard is vertically inserted on the side, and the gap between the mainframe box and the protection box is large. This not only leads to insufficient test area space and inconvenient keyboard operation, but also makes the whole machine look rough and simple. The protection box adopts aluminum alloy medium fiber plate, has poor impact resistance, almost no waterproof and dustproof function, and the structure design is not reasonably arranged, which brings many inconveniences to the testers. UTILITY MODEL CONTENTS

[0004] The utility model aims at the unreasonable layout problem of the drive board tester in the background art, and provides a drive board tester.

[0005] The technical scheme of the utility model: a drive board tester, comprising:

[0006] A protection box is arranged in the mainframe box, a DC support capacitor, a bridge rectifier, a step-up transformer and a control panel are arranged at the bottom of the mainframe box, a power panel is arranged on the left inner wall of the mainframe box, and discharge resistors are connected in parallel at both ends of the DC support capacitor;

[0007] An operation panel is arranged on the top of the mainframe box, DC1000V output sockets, DC24V output sockets, 2P air switches, a keyboard, a drive interface and AC220V input sockets are arranged on the operation panel, a main circuit interface plate and a pre-charge resistor are arranged at the bottom of the operation panel, and two drive board test areas are arranged at the middle position of the operation panel.

[0008] Preferably, the DC1000V output sockets and the DC24V output sockets are rubber sockets connected to the top of the operation panel by nuts; the 2P air switches and the keyboard are installed on the top of the operation panel by metal parts and screws; and the AC220V input sockets are connected to the top of the operation panel by screws.

[0009] Preferably, the main circuit interface plate and the pre-charge resistor are connected to the back of the operation panel by screws.

[0010] Preferably, the DC support capacitor is installed at the bottom of the mainframe box by a nut; the bridge rectifier, the step-up transformer and the control panel are respectively installed at the bottom of the mainframe box by screws; and the power panel is installed on the left side of the inside of the mainframe box by screws.

[0011] Preferably, the center of the operation panel has two driver board test areas. On the left side of the driver board test area, the driver interface, AC220V input socket and DC1000V output socket are arranged side by side. On the right side of the driver board test area, the keyboard and 2P air switch are arranged side by side. Behind the driver board test area, multiple DC24V output sockets are arranged side by side.

[0012] Preferably, the control board is located at the front of the inner wall at the bottom of the main unit chassis, and the DC support capacitor, bridge rectifier and step-up transformer are arranged in parallel on the rear side of the control board.

[0013] Preferably, the AC220V input socket is connected to the input terminal of the 2P circuit breaker; the output terminal of the 2P circuit breaker is connected to the input terminal of the pre-charge resistor; the output terminal of the pre-charge resistor is connected to the input terminal of the step-up transformer; the output terminal of the step-up transformer is connected to the output terminal of the bridge rectifier; the output terminal of the bridge rectifier is connected to the DC support capacitor; the DC1000V output socket, the input terminal of the main circuit interface board, and the discharge resistor are all connected in parallel to the DC support capacitor; the 24V output terminal of the main circuit interface board is connected to the DC24V output socket; the keyboard, main circuit interface board, control board, and power board are connected by wires and copper core wires.

[0014] Compared with existing technologies, this utility model has the following beneficial technical effects: the control board is built-in, and the operation panel reserves sufficient testing space; the high-voltage socket is located in the upper left corner to prevent accidental electric shock; the low-voltage socket and air switch are located in the lower left and upper right corners, arranged logically according to circuit principles to avoid crossover of connecting wires; the driver board and IGBT under test are placed in the middle, and the keyboard is placed in the lower right corner, resulting in a reasonable and simple overall layout. The protective case is made of high-strength polypropylene, which is impact-resistant, high-temperature resistant, waterproof, dustproof, moisture-proof, and corrosion-resistant. The operation panel and main unit are made of 5-series aviation aluminum, which is strong, high-quality, lightweight, and easy to carry. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the protective box;

[0017] Figure 3 for Figure 2 The main view;

[0018] Figure 4 for Figure 3 AA section view in the middle;

[0019] Figure 5 for Figure 3 BB section view in the middle.

[0020] Attached reference numerals: 1. Operation panel; 2. DC1000V output socket; 3. DC24V output socket; 4. Protective box; 5. 2P air switch; 6. Keyboard; 7. Drive interface; 8. AC220V input socket; 9. Main circuit interface board; 10. Pre-charge resistor; 11. DC support capacitor; 12. Discharge resistor; 13. Bridge rectifier; 14. Step-up transformer; 15. Main unit chassis; 16. Control board; 17. Power supply board. Detailed Implementation

[0021] Example 1

[0022] like Figures 1-5 As shown, the driver board tester proposed in this utility model has two rubber sockets, DC1000V output socket 2 and DC24V output socket 3, which are connected to the operation panel 1 with nuts. A 2P air switch 5 and a keyboard 6 are mounted on the operation panel 1 using sheet metal parts and screws. A main circuit interface board 9 and a pre-charging resistor 10 are connected to the back of the operation panel 1 with screws. An AC220V input socket 8 is connected to the operation panel 1 with screws. A DC support capacitor 11 is mounted to the bottom of the main unit chassis 15 with nuts. A discharge resistor 12 is connected in parallel across the DC support capacitor 11. A bridge rectifier 13, a step-up transformer 14, and a control board 16 are respectively mounted to the bottom of the main unit chassis 15 with screws. A power board 17 is mounted to the left side of the inside of the main unit chassis 15 with screws.

[0023] Furthermore, in the middle of the operation panel 1 are two driver board test areas. On the left side of the driver board test area are a driver interface 7, an AC220V input socket 8, and a DC1000V output socket 2 arranged side-by-side. On the right side of the driver board test area are a keyboard 6 and a 2P air switch 5 arranged side-by-side. Behind the driver board test area are multiple DC24V output sockets 3 arranged side-by-side. The control board 16 is located at the front of the bottom inner wall of the main unit chassis 15. Behind the control board 16 are a DC support capacitor 11, a bridge rectifier 13, and a step-up transformer 14 arranged side-by-side.

[0024] Example 2

[0025] like Figures 1-5 As shown, the present invention proposes a driver board tester. Compared with Embodiment 1, this embodiment details the installation method and overall arrangement of each structure.

[0026] The DC 1000V output socket 2 and the DC 24V output socket 3 are rubber sockets, which are connected to the operation panel 1 by nuts; the 2P air switch 5 and the keyboard 6 are installed on the operation panel 1 by metal parts and screws; the AC 220V input socket 8 is connected to the operation panel 1 by screws; the main circuit interface board 9 and the pre-charge resistor 10 are connected to the back of the operation panel 1 by screws; the DC support capacitor 11 is installed at the bottom of the main box 15 by a nut; the bridge rectifier 13, the step-up transformer 14 and the control board 16 are respectively installed at the bottom of the main box 15 by screws; and the power board 17 is installed on the left side of the inside of the main box 15 by screws. The middle of the operation panel 1 is two drive board test areas, the drive interface 7, the AC 220V input socket 8 and the DC 1000V output socket 2 are distributed side by side on the left side of the drive board test area, the keyboard 6 and the 2P air switch 5 are distributed side by side on the right side of the drive board test area, and a plurality of DC 24V output sockets 3 are distributed side by side at the back of the drive board test area. The control board 16 is located at the front position of the inner wall at the bottom of the main box 15, and the DC support capacitor 11, the bridge rectifier 13 and the step-up transformer 14 are distributed side by side at the back of the control board 16.

[0027] Example three

[0028] As Figures 1-5 shown, the utility model discloses a kind of drive board testers, compared to example one or example two, the connection relationship between electrical components is introduced in detail in this embodiment.

[0029] The AC 220V input socket 8 is connected to the input end of the 2P air switch 5; the output end of the 2P air switch 5 is connected to the input end of the pre-charge resistor 10; the output end of the pre-charge resistor 10 is connected to the input end of the step-up transformer 14; the output end of the step-up transformer 14 is connected to the output end of the bridge rectifier 13; the output end of the bridge rectifier 13 is connected to the DC support capacitor 11; the DC 1000V output socket 2, the input end of the main circuit interface board 9 and the discharge resistor 12 are all connected in parallel to the DC support capacitor 11; the 24V output end of the main circuit interface board 9 is connected to the DC 24V output socket 3; the keyboard 6, the main circuit interface board 9, the control board 16 and the power board 17 are connected by wire and copper core wire.

[0030] Test principle: AC 220V mains through AC 220V input socket 8 and pre-charge resistor 10 for step-up transformer 14 provides power, step-up transformer 14 will be raised to 1000V again through bridge rectifier 13 into DC power supply, then connected in DC support capacitor 11, parallel discharge resistor 12 output to DC 1000V output socket 2;DC support capacitor 11 bypass output to power board 17, through power board 17 voltage regulation to DC 24V DC power supply, then to DC 24V output socket 3, main circuit interface board 9 and control panel 16 power supply;To be measured drive board connects drive interface 7 and DC 24V output socket 3, through the keyboard 6 test.

[0031] In conclusion, in the utility model, the control panel 16 is built-in, and the operation panel 1 reserves sufficient test space;The strong current socket is located at the upper left corner to prevent accidental electric shock of personnel;The weak current socket and the air switch are located at the lower left corner and the upper right corner, and are logically and reasonably arranged according to the circuit principle to avoid the crossing of connecting wires;The to-be-tested drive board and the IGBT are placed in the middle, and the keyboard 6 is placed at the lower right corner, so that the overall layout is reasonable and simple. The protective box 4 is made of high-strength polypropylene and is impact-resistant, high-temperature-resistant, waterproof, dustproof, moisture-proof and corrosion-resistant. The operation panel 1 and the main box 15 are made of 5-series aviation aluminum and are high in strength, light in weight and convenient to carry.

[0032] The above has made the detailed description of the embodiment of the utility model in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A driver board tester, comprising: The utility model relates to a kind of DC1000V high-voltage power supply, including: Protective box (4), main machine box (15) is provided in protective box (4), the bottom of main machine box (15) is provided with DC support capacitor (11), bridge rectifier (13), step-up transformer (14) and control panel (16), power panel (17) is provided on the left inner wall of main machine box (15), discharge resistance (12) is connected in parallel on the both ends of DC support capacitor (11); And operation panel (1) is provided on the top of main machine box (15), DC1000V output socket (2), DC24V output socket (3), 2P air switch (5), keyboard (6), drive interface (7) and AC220V input socket (8) are provided on operation panel (1), main circuit interface board (9) and pre-charge resistance (10) are provided on the bottom of operation panel (1), two drive board test areas are provided at the middle position of operation panel (1).

2. The drive plate tester of claim 1, wherein, DC1000V output socket (2) and DC24V output socket (3) are rubber socket, and are connected on the upper surface of operation panel (1) by nut;2P air switch (5) and keyboard (6) are installed on the upper surface of operation panel (1) by sheet metal and screw;AC220V input socket (8) is connected on the upper surface of operation panel (1) by screw.

3. The drive plate tester of claim 1, wherein, Main circuit interface board (9) and pre-charge resistance (10) are connected on the back of operation panel (1) by screw.

4. The drive plate tester of claim 1, wherein, DC support capacitor (11) is installed on the bottom of main machine box (15) by nut;Bridge rectifier (13), step-up transformer (14) and control panel (16) are installed on the bottom of main machine box (15) by screw respectively;Power panel (17) is installed on the left side of the inside of main machine box (15) by screw.

5. The drive board tester of claim 1, wherein, The middle of operation panel (1) is two drive board test areas, drive interface (7), AC220V input socket (8) and DC1000V output socket (2) are distributed side by side on the left side of drive board test area, keyboard (6) and 2P air switch (5) are distributed side by side on the right side of drive board test area, and a plurality of DC24V output sockets (3) are distributed side by side at the back of drive board test area.

6. The drive board tester of claim 1, wherein, Control panel (16) is located at the front position of the inner wall of the bottom of main machine box (15), and DC support capacitor (11), bridge rectifier (13) and step-up transformer (14) are distributed side by side at the back of control panel (16).

7. The drive board tester of claim 1, wherein, AC220V input socket (8) is connected to the input end of 2P air switch (5);The output end of 2P air switch (5) is connected to the input end of pre-charge resistance (10);The output end of pre-charge resistance (10) is connected to the input end of step-up transformer (14);The output end of step-up transformer (14) is connected to the output end of bridge rectifier (13);The output end of bridge rectifier (13) is connected to DC support capacitor (11);DC1000V output socket (2), main circuit interface board (9) input end and discharge resistance (12) are connected in parallel on DC support capacitor (11);The 24V output end of main circuit interface board (9) is connected to DC24V output socket (3);Keyboard (6), main circuit interface board (9), control panel (16), power panel (17) are connected by wire and copper core wire.

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