Inverter test equipment

Abstract

The utility model belongs to the field of test equipment, particularly relates to inverter test equipment, and aims to solve the problems that the conventional inverter product is usually tested after being developed, so that the corresponding parameter attributes of the inverter are known, and the direct current input to the inverter is usually gradually increased when the inverter product is detected, so that the corresponding parameter attributes of the inverter cannot be detected. In order to solve the problem that the personal safety of experimenters is threatened due to the fact that the maximum electric quantity conversion quantity of the inverter is tested when the inverter is subjected to electric leakage or fire at the moment, the following scheme is provided: the device comprises a placing frame, and the top of the placing frame is hinged with a cover plate. When the inverter testing device is used, the fixing mechanism fixes the position of the inverter, so that the stability during testing is enhanced, the potential safety hazard during testing is further reduced, and the safety testing mechanism provides a safe testing environment, so that the safety of testing personnel is guaranteed, and the testing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test equipment technical field especially relates to a kind of inverter test equipment. BACKGROUND

[0002] Inverter is a kind of equipment that converts direct current into alternating current, its working principle mainly utilizes the switching characteristic of semiconductor device, controls power voltage and current by fast switching, to realize the conversion of direct current into corresponding frequency and voltage alternating current, when the input direct current passes through semiconductor device in inverter, it will be divided into a series of pulse signals, and after filtering and adjusting, the same frequency, amplitude and waveform alternating current as required output is generated.

[0003] Inverter product is usually tested after development, to obtain the corresponding parameter properties of the inverter, and when detecting, the input direct current is usually gradually increased, to test the maximum power conversion capacity, and at this time, inverter is prone to leakage or fire hazard, to threaten the personal safety of experimental personnel.

[0004] For the above problems, the utility model file proposes an inverter test equipment. INVENTION CONTENTS

[0005] The utility model provides an inverter test equipment, solves the shortcoming that inverter product is usually tested after development in prior art, to obtain the corresponding parameter properties of the inverter, and when detecting, the input direct current is usually gradually increased, to test the maximum power conversion capacity, and at this time, inverter is prone to leakage or fire hazard, to threaten the personal safety of experimental personnel.

[0006] The utility model provides the following technical scheme:

[0007] An inverter test equipment, comprising a placing frame, the top of the placing frame is hingedly connected with a cover plate, and the side of the cover plate and the side of the placing frame are jointly provided with two lock catches;

[0008] A fixing mechanism is arranged inside the placing frame to securely fix the inverter.

[0009] A safety test mechanism is arranged inside the placing frame to more safely test the inverter.

[0010] In a possible design, the fixing mechanism includes a sliding groove, a fixing plate, a threaded lead screw and a motor, the sliding groove is arranged on the inner wall of the bottom side of the placing frame, the top and the bottom of the fixing plate are fixedly connected with sliding blocks, one of the sliding blocks is slidingly connected in the sliding groove, the other sliding block is threadedly connected to the outer wall of the threaded lead screw, one end of the threaded lead screw is threadedly connected to the output end of the motor, the bottom of the motor is fixedly connected with a rectangular block, the bottom of the rectangular block is fixedly connected to the top of the placing frame, the top of the placing frame is fixedly connected with a lifting plate, and the other end of the threaded lead screw is rotatably connected to one side of the lifting plate.

[0011] In a possible design, one side of the placing frame is fixedly connected with a baffle, an insulation box is arranged in the placing frame, and one side of the insulation box is tightly attached to one side of the baffle. One side of the lifting plate is provided with a lifting groove.

[0012] In a possible design, the safety test mechanism includes a test socket, a connecting line, a plug, a lifting block and a test pen, one side of the test socket is fixedly connected to one side of the placing frame, one end of the connecting line is electrically connected to one side of the plug, the other end of the connecting line penetrates through the inner wall of one side of the placing frame and is electrically connected to one side of the test socket, the lifting block is slidingly connected in the lifting groove, one side of the lifting block is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a fixing ring, and the outer wall of the test pen is fixedly connected to the inner wall of the fixing ring.

[0013] In a possible design, the top of the connecting rod is provided with a hook, one side of the hook is rotatably connected to one side of the lifting plate through a rotating shaft, and one side of the placing frame is provided with a mounting hole.

[0014] In a possible design, the insulation box is made of plastic material, the insulation box is provided with a plug-in groove in the inside, a plug-in plate is inserted in the plug-in groove, one side of the insulation box is provided with a through hole, and the top of the insulation box is fixedly connected with two pull handles.

[0015] In a possible design, the cover plate is provided with observation windows on both sides, so as to facilitate observation of the inverter under test.

[0016] In the application, when used, first, the inverter is placed in the inside of the insulation box, meanwhile, the slot in the inside of the insulation box is inserted with the plugboard, so as to fix the inverter, then the insulation box is placed in the inside of the placing frame, and one side of the insulation box is tightly fitted to the baffle, then the motor is started, the output end of the motor drives the screw rod to rotate, since one end of the screw rod is rotationally connected to one side of the lifting plate, and the outer wall of the screw rod is threadedly connected to the inside of the sliding block on the top of the fixed plate, meanwhile, the sliding block on the bottom of the fixed plate is slidingly connected to the inside of the sliding groove, therefore, when the screw rod rotates, the fixed plate is driven to move along the sliding groove, until the insulation box with the inverter is safely and stably fixed in the inside of the placing frame, after the inverter is fixed, the output wire of the direct current can be installed on the input end of the inverter through the mounting hole and the through hole, at this time, the position of the test pen can be adjusted by sliding the lifting block in the lifting groove, therefore, the test pen is connected with the lifting block through the fixing ring and the connecting rod, so that the test pen can move along with the sliding of the lifting block, at this time, the leakage of the inverter can be tested, the test end of the test pen can be fitted to the top of the inverter in the insulation box, the inverter is tested, if there is no leakage, the inverter can be electrically connected with the test equipment through the test socket, the plug and the connecting wire, the connection of the connecting wire and the inverter can also be completed by passing through the through hole, at this time, the cover plate can be closed, and the two lock buckles are locked, so that the test intensity can be further strengthened, the test personnel can be prevented from being injured due to the fire or leakage caused by the excessive voltage in the inverter, if the inverter is normal after the test, the cover plate can be reset, the test pen is used to test whether there is leakage, if there is no other condition, the test pen can be separated from the top of the inverter by using the hook to hang the connecting rod, so as to facilitate the next operation of the test personnel.

[0017] In the utility model, the inverter testing equipment can be safely and stably fixed in the placing frame through the fixing mechanism, so that the safety in the test process is enhanced.

[0018] In the utility model, the inverter testing equipment can help the test personnel to test under the condition of being safer through the safety test mechanism, so that the personal safety of the test personnel is further protected.

[0019] In the utility model, the fixing mechanism enhances the stability during the test by fixing the position of the inverter, so that the hidden danger during the test is reduced, and the safety test mechanism provides a safe test environment, so that the safety of the test personnel is guaranteed and the test efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view structural schematic diagram of the inverter testing equipment provided by the utility model embodiment;

[0021] Figure 2An opening state structural schematic diagram of the inverter testing equipment provided by the embodiment of the utility model;

[0022] Figure 3 An enlarged sectional view structural schematic diagram of the placing frame part of the inverter testing equipment provided by the embodiment of the utility model;

[0023] Figure 4 An enlarged structural schematic diagram of the placing frame part of the inverter testing equipment provided by the embodiment of the utility model.

[0024] Reference signs:

[0025] 1, placing frame;2, cover plate;3, lock catch;4, test socket;5, connecting line;6, plug;7, sliding slot;8, fixed plate;9, threaded screw;10, motor;11, lifting plate;12, lifting block;13, hook;14, insulating box;15, plugboard;16, pull handle;17, through hole;18, baffle;19, mounting hole;20, test pen. Specific implementation

[0026] 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, not all the embodiments.

[0027] Embodiment 1

[0028] Please refer to Figures 1-4 A kind of test equipment, including: placing frame 1, the top of placing frame 1 is hinged with cover plate 2, the side of cover plate 2 and the side of placing frame 1 are provided with two lock catches 3 in common, both sides of cover plate 2 are all provided with observation window, for facilitating observation inverter in testing, so that can be closed and locked using two lock catches 3 when testing, the state of inverter is observed when testing by observation window.

[0029] The fixing mechanism is arranged inside the placing frame 1 and is used for fixing the inverter safely and stably. The fixing mechanism comprises a sliding groove 7, a fixing plate 8, a threaded lead screw 9 and a motor 10. The sliding groove 7 is arranged on the inner wall of the bottom side of the placing frame 1. The top and bottom of the fixing plate 8 are fixedly connected with sliding blocks. One of the sliding blocks is slidingly connected inside the sliding groove 7, and the other sliding block is threadedly connected with the outer wall of the threaded lead screw 9. One end of the threaded lead screw 9 is threadedly connected with the output end of the motor 10. The bottom of the motor 10 is fixedly connected with a rectangular block. The bottom of the rectangular block is fixedly connected with the top of the placing frame 1. The top of the placing frame 1 is fixedly connected with a lifting plate 11. The other end of the threaded lead screw 9 is rotatably connected with one side of the lifting plate 11. Thus, the inverter can be placed inside the insulation box 14. At the same time, the plug-in slot inside the insulation box 14 is plugged with the plug-in plate 15, so as to fix the inverter. Then, the insulation box 14 is placed inside the placing frame 1 and is tightly attached to the baffle 18 on one side. Then, the motor 10 is started. The output end of the motor 10 drives the threaded lead screw 9 to rotate. Since one end of the threaded lead screw 9 is rotatably connected with one side of the lifting plate 11, and the outer wall of the threaded lead screw 9 is threadedly connected with the sliding block on the top of the fixing plate 8, and the sliding block on the bottom of the fixing plate 8 is slidingly connected inside the sliding groove 7, when the threaded lead screw 9 rotates, the fixing plate 8 is driven to move along the sliding groove 7, until the insulation box 14 with the inverter is safely and stably fixed inside the placing frame 1.

[0030] The safety testing mechanism is arranged inside the placing frame 1, and is used for testing the inverter more safely. The safety testing mechanism comprises a testing socket 4, a connecting wire 5, a plug 6, a lifting block 12 and a test pen 20. One side of the testing socket 4 is fixedly connected to one side of the placing frame 1. One end of the connecting wire 5 is electrically connected to one side of the plug 6. The other end of the connecting wire 5 penetrates through the inner wall of one side of the placing frame 1 and is electrically connected to one side of the testing socket 4. The lifting block 12 is slidingly connected inside the lifting groove. One side of the lifting block 12 is fixedly connected with a connecting rod. The other end of the connecting pipe is fixedly connected with a fixing ring. The outer wall of the test pen 20 is fixedly connected to the inner wall of the fixing ring. Therefore, after the inverter is fixed, the output line of the direct current can be installed in the input end of the inverter through the mounting hole 19 and the through hole 17. At this time, the lifting block 12 can be used to slide inside the lifting groove, so as to adjust the position of the test pen 20. The test pen 20 is connected with the lifting block 12 through the fixing ring and the connecting rod, and can move along with the sliding of the lifting block 12. At this time, the inverter can be tested for leakage. The test end of the test pen 20 can be attached to the top of the inverter in the insulation box 14 to test the inverter. If there is no leakage, the inverter can be electrically connected with the testing equipment through the testing socket 4, the plug 6 and the connecting wire 5. The connection of the connecting wire 5 with the inverter can also be completed by penetrating through the through hole 17. At this time, the cover plate 2 can be closed, and the two buckles 3 can be locked, so as to continue to strengthen the test intensity, prevent the inverter from being overheated and causing fire or leakage, and prevent the tester from being injured.

[0031] The application can be used in the field of testing equipment, and can also be used in other fields applicable to the application.

[0032] Embodiment 2

[0033] On the basis of embodiment 1, the following improvements are made:

[0034] An inverter testing device applied to the field of testing equipment comprises:

[0035] One side of the inner wall of the placing frame 1 is fixedly connected with a baffle 18. An insulation box 14 is arranged inside the placing frame 1. One side of the insulation box 14 is closely attached to one side of the baffle 18, so as to facilitate quick determination of the position of the insulation box 14. One side of the lifting plate 11 is provided with a lifting groove, so that the lifting block 12 can be used to slide inside the lifting groove, so as to adjust the position of the test pen 20.

[0036] A hook 13 is arranged at the top of the connecting rod. One side of the hook 13 is rotatably connected to one side of the lifting plate 11. The placing frame 1 is provided with a mounting hole 19, so that the output line of the direct current can be installed in the input end of the inverter through the mounting hole 19 and the through hole 17.

[0037] The insulating box 14 is made of plastic material, a slot is formed in the inside of the insulating box 14, the slot is inserted with the plugboard 15, a through hole 17 is formed in one side of the insulating box 14, and two pull handles 16 are fixedly connected to the top of the insulating box 14, so that the insulating box 14 is convenient to take, and the practicability of the device is improved.

[0038] However, as known by those skilled in the art, the working principles and wiring methods of the test socket 4, the connecting wire 5, the plug 6, the motor 10 device and the tester 20 device are common, which belong to conventional means or common general knowledge, and will not be described here again, and those skilled in the art can make any selection according to the needs or convenience.

[0039] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application; in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An inverter test apparatus, characterized by, Include: Put the frame (1), the top of the frame (1) is hinged with a cover plate (2), one side of the cover plate (2) is provided with two lock catch (3) together with one side of the frame (1); The fixing mechanism is provided in the inside of the frame (1), which is used for fixing the inverter safely and stably; The safety test mechanism is provided in the inside of the frame (1), which is used for testing the inverter more safely, the safety test mechanism includes test socket (4), connecting line (5), plug (6), lifting block (12) and test pen (20), one side of the test socket (4) is fixedly connected to one side of the frame (1), one end of the connecting line (5) is electrically connected to one side of the plug (6), the other end of the connecting line (5) passes through the inner wall of one side of the frame (1) and is electrically connected to one side of the test socket (4), the lifting block (12) is slidably connected in the inside of the lifting groove, one side of the lifting block (12) is fixedly connected with a connecting rod, the other end of the connecting pipe is fixedly connected with a fixing ring, the outer wall of the test pen (20) is fixedly connected to the inner wall of the fixing ring.

2. The inverter test apparatus according to claim 1, characterized by The fixing mechanism includes sliding groove (7), fixed plate (8), threaded lead screw (9) and motor (10), the sliding groove (7) is opened on the bottom inner wall of the frame (1), the top and bottom of the fixed plate (8) are fixedly connected with sliding blocks, one of the sliding blocks is slidably connected in the inside of the sliding groove (7), the other sliding block is threadedly connected in the inside of the threaded lead screw (9), one end of the threaded lead screw (9) is threadedly connected to the output end of the motor (10), the bottom of the motor (10) is fixedly connected with a rectangular block, the bottom of the rectangular block is fixedly connected to the top of the frame (1), the top of the frame (1) is fixedly connected with a lifting plate (11), the other end of the threaded lead screw (9) is rotatably connected to one side of the lifting plate (11).

3. An inverter test apparatus according to claim 2, wherein One side of the frame (1) is fixedly connected with a baffle (18), an insulating box (14) is placed in the inside of the frame (1), one side of the insulating box (14) is closely attached to one side of the baffle (18), one side of the lifting plate (11) is provided with a lifting groove.

4. The inverter test apparatus of claim 1, wherein The top of the connecting rod is provided with a hook (13), one side of the hook (13) is rotatably connected to one side of the lifting plate (11), one side of the frame (1) is provided with a mounting hole (19).

5. The inverter test apparatus of claim 3, wherein The material of the insulating box (14) is plastic material, the inside of the insulating box (14) is provided with a slot, the inside of the slot is inserted with a plug (15), one side of the insulating box (14) is provided with a through hole (17), the top of the insulating box (14) is fixedly connected with two pull handles (16).

6. The inverter test apparatus of claim 1, wherein Both sides of the cover plate (2) are provided with observation windows for convenient observation of the inverter under test.

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