Surge tester

Abstract

The utility model discloses a surge tester, which relates to the technical field of surge testing devices and comprises a shell, a PLC (programmable logic controller) control module is arranged in the shell and connected with a power supply, the power supply is respectively connected with a display screen and an alternating-current input module, the PLC control module is further connected with a control signal module through a knockout plate, and the control signal module is connected with the alternating-current input module. The PLC control module is also connected with a direct current input module and a high-voltage capacitor through a shunt sampling module, the PLC control module is also connected with a control module, the high-voltage capacitor is also connected with the control module, the control module is connected with a resistor through a backward diode, and the resistor is also connected with a switch resistance value switching module. The shell is composed of the four butt-joint columns, the two side covers and the four side covers and is fixed through the bolts, the shell composed of the four butt-joint columns, the two side covers and the four side covers can be completely disassembled by disassembling the bolts on the side covers, the disassembling difficulty is small, and the overhaul efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of surge testing devices, in particular to a surge tester. Background Art

[0002] Surge testers are surge protection products designed specifically for communications, digital products, and semiconductor devices such as surge protection. Surge, as the name suggests, is a peak value that exceeds the stable value instantly, which includes surge voltage and surge current. Surge is also called sudden wave, as the name suggests, it is an instantaneous overvoltage that exceeds the normal working voltage. In essence, surge is a violent pulse that occurs in just a few millionths of a second.

[0003] However, the shells of existing surge testers are all made of one-piece molding. When repairing the tester, the test device needs to be disassembled, and the one-piece molded shell is difficult to disassemble, which greatly increases the disassembly time and reduces the repair efficiency. Therefore, the utility model proposes a surge tester. Utility Model Content

[0004] Technical issues solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a surge tester.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surge tester, comprising a shell, a PLC control module is arranged inside the shell, the PLC module is connected to a power supply, the power supply is respectively connected to a display screen and an AC input module, the PLC control module is also connected to a control signal module through a punching plate, the PLC control module is also connected to a DC input module and a high-voltage capacitor through a shunt sampling module, the PLC control module is also connected to a control module, the high-voltage capacitor is also connected to the control module, the control module is connected to a resistor through a reverse diode, the resistor is connected to a switch switching resistance module, the resistor is connected to a power output module through the switch switching resistance module, and the power output module is connected to a product under test;

[0008] The shell body is composed of four docking posts, two side covers and four side covers, each of the docking posts is provided with a docking groove, the edge of the side cover is provided with a second docking groove, the edge of the side cover is clamped in the inside of the docking groove and the second docking groove, the shell body is composed of four docking posts, two side covers and four side covers, and is fixed with bolts, and the shell body composed of four docking posts, two side covers and four side covers can be completely disassembled by removing the bolts on the side cover, the disassembly difficulty is small, and the maintenance efficiency is accelerated.

[0009] Preferably, an opening for installing a display screen is provided on the housing, and the display screen is installed at the opening.

[0010] Preferably, the high voltage capacitor is composed of six groups of 450V12000UF capacitors.

[0011] Preferably, a handle is fixedly connected to one side of the shell.

[0012] Preferably, a heat dissipation opening is provided on the shell.

[0013] Preferably, the docking column is further provided with a threaded hole, and bolts are inserted at the four corners of the side cover, and the bolts are installed inside the threaded hole.

[0014] Beneficial effects:

[0015] Compared with the existing technology, the surge tester has the following beneficial effects:

[0016] The shell of the utility model is composed of four docking columns, two side covers and four side covers, and is fixed with bolts. The shell composed of the four docking columns, two side covers and four side covers can be completely disassembled by removing the bolts on the side covers. The disassembly is easy and the maintenance efficiency is accelerated. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 This is a structural diagram of each module of the utility model.

[0020] In the figure:

[0021] 1. Shell; 101. Opening; 102. Docking column; 1021. Docking slot; 103. Side cover; 1031. Second docking slot; 104. Side cover; 105. Heat dissipation port; 2. PLC control module; 3. Power supply; 4. Display screen; 5. AC input module; 6. Feeding plate; 7. Control signal module; 8. Shunt sampling module; 9. DC input module; 10. High-voltage capacitor; 11. Control module; 12. Reverse diode; 13. Resistor; 14. Switch switching resistance module; 15. Power output module; 16. Product under test; 17. Handle; 18. Threaded hole; 19. Bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 to Figure 3 As shown, the utility model provides a technical solution: a surge tester, including a shell 1, a PLC control module 2 is arranged inside the shell 1, the PLC control module 2 is connected to a power supply 3, the power supply 3 is respectively connected to a display screen 4 and an AC input module 5, the PLC control module 2 is also connected to a control signal module 7 through a punching plate 6, the PLC control module 2 is also connected to a DC input module 9 and a high-voltage capacitor 10 through a shunt sampling module 8, the high-voltage capacitor 10 is composed of six groups of 450V12000UF capacitors, the PLC control module 2 is connected to a control module 11, the high-voltage capacitor 10 is also connected to the control module 11, the control module 11 is connected to a resistor 13 through a reverse diode 12, the resistor 13 is connected to a switch switching resistance module 14, the resistor 13 is connected to a power output module 15 through the switch switching resistance module 14, the power output module 15 is connected to a product under test 16, and the product under test 16 can be subjected to a surge test through the above structure.

[0024] The shell 1 of the present application is composed of four docking poles 102, two side covers 103 and four side covers 104, each docking pole 102 is provided with a docking groove 1021, the edge of the side cover 103 is provided with a second docking groove 1031, the edge of the side cover 104 is clamped in the inside of the docking groove 1021 and the second docking groove 1031, and a heat dissipation port 105 is provided on the shell 1. The shell 1 is composed of four docking poles 102, two side covers 103 and four side covers 104, and is fixed with bolts. The shell composed of the four docking poles 102, the two side covers 103 and the four side covers 104 can be completely disassembled by removing the bolts 19 on the side cover. The disassembly difficulty is small, and the maintenance efficiency is accelerated.

[0025] Please pay attention to Figure 1 and Figure 2 The shell 1 is provided with an opening 101 for installing a display screen, and the display screen 4 is installed at the opening 101. A handle 17 is fixedly connected to one side of the shell 1. The setting of the handle 17 can facilitate the staff to move the device, which is convenient to use. In addition, threaded holes 18 are also provided on the docking column 102, and bolts 19 are inserted at the four corners of the side cover 103. The bolts 19 are installed inside the threaded holes 18. When in use, the device can be disassembled by removing the bolts 19 on the side cover.

[0026] Working principle: The shell 1 is composed of four docking columns 102, two side covers 103 and four side covers 104, and is fixed with bolts. The shell composed of the four docking columns 102, the two side covers 103 and the four side covers 104 can be completely disassembled by removing the bolts 19 on the side covers. The disassembly is easy and the maintenance efficiency is accelerated.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Surge tester, characterized by: The invention comprises a housing (1), wherein a PLC control module (2) is arranged inside the housing (1), wherein the PLC control module (2) is connected to a power supply (3), wherein the power supply (3) is respectively connected to a display screen (4) and an AC input module (5), wherein the PLC control module (2) is also connected to a control signal module (7) via a punching plate (6), wherein the PLC control module (2) is also connected to a DC input module (9) and a high-voltage capacitor (10) via a shunt sampling module (8), wherein the PLC control module (2) is also connected to a control module (11), wherein the high-voltage capacitor (10) is also connected to the control module (11), wherein the control module (11) is connected to a resistor (13) via a reverse diode (12), wherein the resistor (13) is also connected to a switch switching resistance module (14), wherein the resistor (13) is connected to a power output module (15) via the switch switching resistance module (14), wherein the power output module (15) is connected to a product under test (16); The housing (1) is composed of four docking posts (102), two side covers (103) and four edge covers (104); each of the docking posts (102) is provided with a docking groove (1021); the edges of the side covers (103) are provided with a second docking groove (1031); the edges of the side covers (104) are snap-fitted into the interior of the docking groove (1021) and the second docking groove (1031).

2. The surge tester according to claim 1, characterized in that: The housing (1) is provided with an opening (101) for installing a display screen, and the display screen (4) is installed at the opening (101).

3. The surge tester according to claim 1, characterized in that: The high voltage capacitor (10) is composed of six groups of 450V 12000UF capacitors.

4. The surge tester according to claim 1, characterized in that: A handle (17) is also fixedly connected to one side of the housing (1).

5. The surge tester according to claim 1, characterized in that: The housing (1) is provided with a heat dissipation opening (105).

6. The surge tester according to claim 1, characterized in that: The docking column (102) is also provided with a threaded hole (18), and bolts (19) are inserted at the four corners of the side cover (103), and the bolts (19) are installed inside the threaded hole (18).

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