CN115236468A - Charger withstand voltage test device - Google Patents

Abstract

The invention discloses a charger withstand voltage testing device, which belongs to the technical field of electrical testing equipment. The present invention includes a base, on which a fixing frame is fixedly connected; a lifting plate is slidably connected in the fixing frame, and a plurality of test head assemblies are fixedly connected on the lifting plate; the test head assembly includes a connecting frame, and the connecting frame is in an inverted U-shaped structure, A connection seat is connected in the connection frame, and a test head for testing the charger is fixedly connected to the connection seat; a push plate is slidably connected to the base, and the push plate is fixedly connected with a test board through a first connecting rod, and the test board is provided with a test board and a test board. The first one corresponds to the test slot, and the charger to be tested is connected to the test slot. In the invention, the air cylinder drives the lifting plate to descend, and simultaneously drives a plurality of test head assemblies to test the charger, thereby improving the test efficiency of the charger.

Description

Charger withstand voltage test device

technical field

The invention relates to the technical field of electrical testing equipment, in particular to a charger withstand voltage testing device.

Background technique

Before the charger leaves the factory, it needs to perform a number of performance parameter tests, such as functional test, charging indication test, charging characteristic test, rated output voltage test, rated output current test, short-circuit current value test, no-load energy consumption test, Charging capacity test and charging time test, etc., only if these test results are qualified, the charger can be exported to the market.

The testing equipment of the current technology has the technical defects that only one charger can be tested at a time, the efficiency is low, and the rejection rate of inferior products cannot meet the standard, and it cannot adapt to the testing and production process of mass chargers in production. The test of the finished product is usually carried out separately, and the test is performed manually by a single device. The number of finished chargers for each test is one or two, which has low work efficiency and increases labor costs.

SUMMARY OF THE INVENTION

In view of the above-mentioned technical deficiencies, the purpose of the present invention is to provide a charger withstand voltage test device, by connecting a plurality of test head assemblies on the lifting board, and connecting a plurality of chargers on the test board, so as to achieve simultaneous testing of multiple chargers. The purpose of the test is to solve the problem of low test efficiency of the existing charger.

In order to solve the above technical problems, the present invention adopts the following technical solutions: the present invention provides a charger withstand voltage test device, including a base, and a fixing frame is fixedly connected to the base; a lifting plate is slidably connected in the fixing frame, and the lifting and lowering A plurality of test head assemblies are fixedly connected on the board; the test head assemblies include a connecting frame, the connecting frame is in an inverted U-shaped structure, a connecting seat is connected in the connecting frame, and a connecting seat is fixedly connected to the connecting seat for testing The test head of the charger; a push plate is slidably connected to the base, the push plate is fixedly connected with a test board through a first connecting rod, and the test board is provided with a test slot corresponding to the test head one-to-one, A charger to be tested is connected in the test slot.

Preferably, the fixing frame has an inverted U-shaped structure, a cylinder seat is fixedly connected to the fixing frame, a cylinder is installed on the cylinder seat, and the piston rod of the cylinder is fixedly connected to the lifting plate.

Preferably, a pair of vertical sliding rails are provided on both inner sides of the fixing frame, and a sliding block slidingly connected with the sliding rails is fixedly connected to the lifting plate.

Preferably, the connecting seat is slidably connected in the connecting frame, vertical sliding holes are provided on both sides of the connecting frame, and a limiting block slidably connected to the sliding holes is provided on the connecting seat; and A second spring is fixedly connected between the connecting seat and the top of the connecting frame.

Preferably, the connecting frame is fixedly connected with a screw rod, and the lifting plate is provided with a bar-shaped hole which is matched and connected with the screw rod one by one.

Preferably, the surface of the connection seat is provided with a clamping groove that is matched with the test head, the test head is fixedly connected in the clamping groove by a clamp plate, and the clamp plate is fixedly connected to the connection base by bolts; and the An indicator light is fixedly connected to the connection frame.

Preferably, a pair of support plates are symmetrically slidably connected in the test groove, the inner wall of the test groove is provided with a chute that is slidably connected to the support plates, and a second support plate is fixedly connected to the bottom of the test groove. a spring; the support plate is provided with a first through hole matched with the charger plug, and the test slot is provided with a connection hole connected with the charger plug.

Preferably, the test plate is fixedly connected with a pressure plate corresponding to the test slot one-to-one, and the pressure plate is provided with a second through hole matched with the test head.

Preferably, a pair of sliding rods are fixedly connected to the base, the sliding rods are fixedly connected to the base through a connecting block, and the push plate is slidably connected to the sliding rod; a connection is fixedly connected to the base A handle is hinged on the connecting plate, a push rod is fixedly connected to the push plate, one end of the push rod is hinged with a connecting piece, and one end of the connecting piece is rotatably connected with the push rod; and the A guide block slidably connected with the push rod is fixedly connected on the connecting plate.

Preferably, a track is fixedly connected to the base, and a positioning block for positioning the test board is slidably connected to the track; a pull rod is fixedly connected to the positioning block, and one end of the pull rod is fixedly connected to a tensioning A support, the tension support is fixedly connected with the base.

The beneficial effects of the present invention are:

1. In the present invention, the air cylinder drives the lifting plate to descend, and at the same time drives a plurality of test head assemblies to test the charger, thereby improving the test efficiency of the charger.

2. The test head assembly of the present invention is provided with a connecting frame, a connecting seat and a second spring, and through the elastic force of the second spring, the test head is stably inserted into the USB port of the charger to ensure connection stability.

3. The present invention further ensures the stability of the connection between the charger and the test head by providing a support plate and a first spring in the test slot, and a pressure plate is fixedly connected to the test plate, so that the charger is stably connected in the test slot. , and avoid the problem of charger offset when the test head assembly rises

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a charger withstand voltage test device provided by an embodiment of the present invention.

FIG. 2 is a schematic front view of FIG. 1 .

FIG. 3 is a schematic diagram of the structure of the base.

FIG. 4 is a schematic diagram of the structure of the fixing frame.

FIG. 5 is a schematic view of the structure of the lift plate.

FIG. 6 is a schematic structural diagram of a test head assembly.

FIG. 7 is a schematic diagram of the structure of the test board.

FIG. 8 is a schematic front view of the test board.

Description of reference numerals: 1-base, 2-fixed frame, 21-slide rail, 22-cylinder block, 3-cylinder, 4-test plate, 41-test groove, 42-support plate, 43-slide groove, 44- Pressure plate, 45-second through hole, 46-connection hole, 47-first spring, 48-first through hole, 5-test head assembly, 51-connection frame, 52-screw, 53-connection seat, 54-clamp plate , 55-Test head, 56-Second spring, 57-Slide hole, 58-Limit block, 59-Indicator light, 6-Lifting plate, 61-Slider, 62-Bar hole, 7-Tie rod, 71- Tensioning support, 8-charger, 9-push plate, 10-slide bar, 11-connection block, 12-connection plate, 13-connector, 14-handle, 15-push rod, 16-guide block, 17 -The first connecting rod, 18-track, 19-positioning block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Embodiment: As shown in Figures 1-2, the present invention provides a charger withstand voltage test device, which can test the voltage and current of multiple chargers at the same time. This embodiment includes a base 1, which is fixedly connected with a fixed Frame 2; a lifting plate 6 is slidably connected in the fixing frame 2, and a plurality of test head assemblies 5 are fixedly connected to the lifting plate 6. The number of the test head assemblies 5 in this embodiment is 5, and the test head assembly 5 can be charged when it is lowered. A push plate 9 is slidably connected to the base 1, the push plate 9 is fixedly connected to the test plate 4 through the first connecting rod 17, and one end of the first connecting rod 17 is fixedly connected to the push plate 9 through a nut, and the test plate 4 There is a connection sleeve fixedly connected with the first connection rod 17 , the charger 8 is connected to the test board 4 , and the charger 8 is in one-to-one correspondence with the test head assembly 5 .

As shown in FIG. 3 , a pair of sliding rods 10 are fixedly connected to the base 1 , the sliding rods 10 are fixedly connected to the base 1 through a pair of connecting blocks 11 , the connecting blocks 11 are fixed on the base, and the push plate 9 and the two sliding rods 10 sliding connection; a connecting plate 12 is fixedly connected to the base 1, a handle 14 is hinged on the connecting plate 12, a push rod 15 is fixedly connected to the push plate 9, and one end of the push rod 15 is hinged with a connecting piece 13, and the connecting piece 13 includes a For the chain plate of the C-shaped structure, one end of the push rod 15 and the handle 14 is connected with the connecting piece 13 by a pin, and there is friction between the handle 14 and the connecting piece 13. Rotating the handle 14 drives the push plate 9 to move back and forth. , the position of the test board 4 is kept stable by the friction force between the handle 14 and the connecting piece 13 .

In order to ensure the accurate position of the test board 4, a pair of rails 18 are fixedly connected on the base 1, and the rails 18 are slidably connected with a positioning block 19 for positioning the test board 4, and the position of the test board 4 is positioned by the positioning block 19; And the positioning block 19 is fixedly connected with a pull rod 7, one end of the pull rod 7 is fixedly connected with a tensioning support 71 through a nut, the tensioning support 71 is fixedly connected with the base 1, and the position of the test board 4 can be adjusted through the pulling rod 7 to ensure its Precise location.

As shown in Figure 4-5, the fixing frame 2 has an inverted U-shaped structure including two vertical plates and a horizontal plate. A cylinder base 22 is fixedly connected to the fixing frame 2, and a cylinder 3 is installed on the cylinder base 22. The cylinder 3 piston rod It is fixedly connected with the lifting plate 6, and the test head assembly 5 is moved up and down by the air cylinder; a pair of vertical slide rails 21 are provided on both inner sides of the fixing frame 2, and the lifting plate 6 is fixedly connected with a sliding block 61 that is slidably connected to the slide rails 21. , to ensure the stable lifting of the lifting plate 6, and at the same time, the lifting plate 6 is provided with a strip hole 62 that is connected with the test head assembly 5 one by one, so that the position of the test head assembly 5 can be easily corrected.

As shown in FIG. 6 , the test head assembly 5 includes a connecting frame 51 . The connecting frame 51 has an inverted U-shaped structure. A connecting seat 53 is slidably connected to the connecting frame 51 , and a test head for testing the charger 8 is fixedly connected to the connecting seat 53 . 55, wherein, the test head 55 is an existing device, and the test head 55 is a connector with a test function that is inserted into the USB interface of the charger 8; The limit block 58 is slidably connected to the sliding hole 57 , and a second spring 56 is fixedly connected between the connection base 53 and the top of the connection frame 51 , through the action of the second spring 56 , the test head 55 can be stably connected to the charger 8 , and has the effect of protecting the charger 8 and the test head 55, the surface of the connection base 53 is provided with a clamping groove that is matched with the test head 55, the test head 55 is fixedly connected in the clamping groove through the clamp plate 54, and the clamp plate 54 is connected to the clamp through bolts. The seat 53 is fixedly connected to facilitate the disassembly of the test head 55; and the connecting frame 51 is fixedly connected with an indicator light 59, and the test results of each charger 8 are observed through the indicator light; 52 is fixedly connected with the bar hole 62 through a pair of nuts, and by changing its position in the bar hole 62, the positional accuracy of the test head 55 can be corrected.

As shown in FIGS. 7-8 , the test board 4 is provided with a test slot 41 corresponding to the test head 55 one-to-one. The test slot 41 is connected with the charger 8 to be tested, and a pair of support plates 42 are symmetrically slidably connected in the test slot 41 . , the inner wall of the test slot 41 is provided with a chute 43 that is slidably connected to the support plate 42, and a first spring 47 is fixedly connected between the support plate 42 and the bottom of the test slot 41, through the action of the first spring 47, the charger 8 is stably connected In the test slot 41; the support plate 42 is provided with a first through hole 48 that is matched with the plug of the charger 8, and the test slot 41 is provided with a contact hole 46 connected to the plug of the charger 8, and the plug of the charger 8 is inserted when in use. At the same time, the test board 4 is fixedly connected with a pressure plate 44 corresponding to the test slot 41 one-to-one, and the pressure plate 44 is provided with a second through hole 45 matched with the test head 55. The pressure plate 44 ensures the stability of the charger 8 It is connected in the test slot 41, and at the same time, the problem of driving the charger 8 along with the test head assembly 5 is avoided when the test head assembly 5 rises.

When in use, insert the chargers 8 to be tested into the test slots 41 one by one, then turn the handle 14 to drive the test board 4 to move to the position of the positioning block 19, the cylinder 3 drives the test head assembly 5 to descend, and the test head 55 is inserted into the charger. In 8, the voltage, current and other performances of the charger 8 are tested, and the test results can be observed through the indicator light 59. After the test is completed, the cylinder 3 drives the test head assembly 5 to rise, and the present invention can detect multiple chargers 8 at the same time. , thereby improving the detection efficiency of the charger 8 .

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (10)

1. The charger withstand voltage testing device is characterized by comprising a base (1), wherein a fixing frame (2) is fixedly connected to the base (1);

the fixed frame (2) is internally and slidably connected with a lifting plate (6), and a plurality of test head assemblies (5) are fixedly connected to the lifting plate (6);

the test head assembly (5) comprises:

the charger testing device comprises a connecting frame (51), wherein the connecting frame (51) is of an inverted U-shaped structure, a connecting seat (53) is connected in the connecting frame (51), and a testing head (55) for testing the charger is fixedly connected to the connecting seat (53);

sliding connection has push pedal (9) on base (1), push pedal (9) survey test panel (4) through head rod (17) fixedly connected with, be equipped with on survey test panel (4) with test groove (41) of test head (55) one-to-one, test inslot (41) in-connection has charger (8) of waiting to detect.

2. The charger voltage withstand testing device of claim 1, wherein the fixing frame (2) is an inverted U-shaped structure, a cylinder block (22) is fixedly connected to the fixing frame (2), a cylinder (3) is mounted on the cylinder block (22), and a piston rod of the cylinder (3) is fixedly connected to the lifting plate (6).

3. The withstand voltage testing device of the charger according to claim 1 or 2, wherein a pair of vertical sliding rails (21) are arranged on two inner side surfaces of the fixing frame (2), and a sliding block (61) which is connected with the sliding rails (21) in a sliding manner is fixedly connected to the lifting plate (6).

4. The withstand voltage testing device of the charger according to claim 3, wherein the connecting seat (53) is slidably connected in the connecting frame (51), vertical sliding holes (57) are arranged at two sides of the connecting frame (51), and a limiting block (58) slidably connected with the sliding holes (57) is arranged on the connecting seat (53);

and a second spring (56) is fixedly connected between the connecting seat (53) and the top of the connecting frame (51).

5. The withstand voltage testing device of the charger according to claim 1 or 4, wherein a screw (52) is fixedly connected to the connecting frame (51), and the lifting plate (6) is provided with strip-shaped holes (62) which are in one-to-one fit connection with the screw (52).

6. The withstand voltage testing device of the charger according to claim 5, characterized in that the surface of the connecting base (53) is provided with a clamping groove which is matched and connected with the testing head (55), the testing head (55) is fixedly connected in the clamping groove through a clamping plate (54), and the clamping plate (54) is fixedly connected with the connecting base (53) through a bolt;

and an indicator lamp (59) is fixedly connected to the connecting frame (51).

7. The device for testing withstand voltage of a charger of claim 1, 4 or 6, wherein a pair of support plates (42) are symmetrically and slidably connected in the test slot (41), a sliding groove (43) slidably connected with the support plates (42) is formed in the inner wall of the test slot (41), and a first spring (47) is fixedly connected between the support plates (42) and the bottom of the test slot (41);

the supporting plate (42) is provided with a first through hole (48) matched with the plug of the charger (8), and the test slot (41) is provided with a connecting hole (46) connected with the plug of the charger (8).

8. The device for testing withstand voltage of a charger according to claim 7, wherein the test board (4) is fixedly connected with press plates (44) corresponding to the test slots (41), and the press plates (44) are provided with second through holes (45) matched with the test heads (55).

9. The charger withstand voltage testing device according to claim 1 or 8, wherein a pair of sliding rods (10) are fixedly connected to the base (1), the sliding rods (10) are fixedly connected to the base (1) through connecting blocks (11), and the push plate (9) is slidably connected with the sliding rods (10);

a connecting plate (12) is fixedly connected to the base (1), a handle (14) is hinged to the connecting plate (12), a push rod (15) is fixedly connected to the push plate (9), a connecting piece (13) is hinged to one end of the push rod (15), and one end of the connecting piece (13) is rotatably connected with the push rod (15);

and a guide block (16) which is connected with the push rod (15) in a sliding way is fixedly connected on the connecting plate (12).

10. The withstand voltage testing device of charger according to claim 9, characterized in that a rail (18) is fixedly connected to the base (1), and a positioning block (19) for positioning the testing board (4) is slidably connected to the rail (18);

the positioning block (19) is fixedly connected with a pull rod (7), one end of the pull rod (7) is fixedly connected with a tensioning support (71), and the tensioning support (71) is fixedly connected with the base (1).

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