Test tool for quickly connecting direct current bus during aging

Abstract

The utility model discloses a test tool for quickly connecting a direct current bus during aging, which comprises a body and the direct current bus, a connecting hole penetrating through the upper end surface and the lower end surface of the body is arranged in the body, a probe is arranged in the connecting hole, one end of the direct current bus extends into the connecting hole from the upper end of the connecting hole and is electrically connected with one end of the probe, and the other end of the direct current bus is electrically connected with the probe. The other end of the probe extends out of the lower end of the connecting hole; the supporting plate is arranged opposite to the lower end face of the body and is elastically connected with the body; a pressing plate is arranged on the side wall of the body, the pressing plate is elastically connected with the body, a buckle is arranged on the pressing plate, when the body is connected with a workpiece to be subjected to aging test, the buckle can be clamped with the workpiece to be subjected to aging test, and when the pressing plate is pressed, the buckle can be separated from the workpiece to be subjected to aging test. Disassembly and assembly are convenient, and the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the direct current bus aging test field especially relates to a test tool that connects the direct current bus fast during aging. BACKGROUND

[0002] With the continuous development of new energy vehicles, how to realize the cost reduction and efficiency increase, how to avoid potential quality risks and other problems become the most important, in the aging test field, the current high voltage direct current bus test mainly still adopts the artificial screwing mode to connect the product and equipment high voltage direct current bus, there is the problem of long assembly time and low efficiency, there is also potential quality risk such as missing screwing, screw dropping into the controller interior, damaging the controller direct current bus screw hole when screwing. UTILITY MODEL CONTENTS

[0003] In view of the above-mentioned deficiencies existing in the prior art, the utility model aims at providing a test tool that connects the direct current bus fast during aging, to solve the problems of long operation time and potential quality risk in the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme as follows: a test tool that connects the direct current bus fast during aging, comprising a body and a direct current bus, a connecting hole penetrating through the upper and lower end faces of the body is formed in the body, and a probe is arranged in the connecting hole, one end of the direct current bus extends into the connecting hole from the upper end of the connecting hole and is electrically connected with one end of the probe, the other end of the probe extends out from the lower end of the connecting hole, wherein the probe comprises a probe seat and a probe head, the probe seat is tightly inserted into the connecting hole, the probe head is electrically connected with the direct current bus and is a resilient structure, so that the probe head can move up and down along the axial direction under the action of axial pressure; a pressing plate is arranged on the side wall of the body, the pressing plate is elastically connected with the body, and a buckle is arranged on the pressing plate, when the body is connected with a workpiece to be aged and tested, the buckle can be clamped with the workpiece to be aged and tested, and the pressing plate can be pressed to make the buckle disengage from the clamping with the workpiece to be aged and tested.

[0005] As optimization, a pressing block is installed on the upper end of the body, a pressing groove is formed on the side of the pressing block close to the body, and the direct current bus extends along the pressing groove and is bent to extend into the connecting hole from the upper end of the connecting hole.

[0006] As optimization, a mounting groove is formed on the side wall of the body, and a limiting plate is arranged on the body and crosses the mounting groove, the pressing plate is mounted in the mounting groove, wherein the lower end of the pressing plate is rotatably mounted in the mounting groove through a rotating shaft, a reset spring is arranged between the upper end of the pressing plate and the groove bottom of the mounting groove, and the pressing plate is attached to the limiting plate under the action of the reset spring.

[0007] As optimization, the buckle is a triangular prism structure with a right-angled triangle cross section, a face corresponding to one of the right-angled sides is perpendicular to the surface of the pressing plate, and the outer normal of the inclined face corresponding to the inclined side is inclined downward.

[0008] As optimization, the body comprises a first block and a second block for connecting with the workpiece to be aged, the first block is larger than the second block in size, the longitudinal cross section of the body as a whole is T-shaped, and a step structure is arranged around the connection between the first block and the second block to form a limiting structure for connecting with the workpiece to be aged.

[0009] The probe head comprises a sleeve and an inner sleeve which are coaxially and slidably connected and electrically connected, the sleeve is electrically connected with the DC bus, and a spring is arranged between the inner sleeve and the sleeve, so that the inner sleeve can move up and down in the sleeve under axial pressure.

[0010] Compared with the prior art, the utility model has the advantages that: by adopting the overall design of the connecting joint, the high-voltage DC bus and the workpiece to be aged can be quickly connected, the operation efficiency is improved, meanwhile, through the cooperation of the elastic probe and the buckle on the pressing plate, after connection, the elastic force of the elastic probe can ensure the clamping stability of the buckle and the workpiece, thereby improving the connection stability, and the body can be easily disassembled by pressing the pressing plate, the structure is simple, the use is convenient, and the quality risk is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] In the drawing: 1 body, 2 DC bus, 3 probe, 4 pressing plate, 5 buckle, 6 pressing block, 7 limiting plate, 8 limiting structure. DETAILED DESCRIPTION

[0013] The utility model will be further described below in combination with the drawings and examples.

[0014] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Therefore, the detailed description of the embodiments of the utility model provided in the drawings below is not intended to limit the scope of the claimed utility model, but only represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0015] It should be noted that similar reference numerals and letters refer to like items in the accompanying drawings, and once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. In the description of the application, it needs to be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed during use, and are only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application. In addition, the terms "first", "second", "third", and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance. In addition, the terms "horizontal", "vertical", and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. In the description of the application, it also needs to be explained that unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0016] Embodiment: see Figure 1 A test tool for quickly connecting a DC bus during aging includes a body 1 and a DC bus 2, the body 1 includes a first block integrally formed and arranged above and below, and a second block for cooperating with the to-be-aged test workpiece, the size of the first block is larger than that of the second block, so that the longitudinal section of the body 1 as a whole is T-shaped, and a step structure is provided around the connection between the first block and the second block to form a limiting structure 8 cooperating with the to-be-aged test workpiece. A connecting hole is formed in the body 1, which penetrates the upper and lower end faces, and a probe 3 is arranged in the connecting hole, one end of the DC bus 2 extends into the connecting hole from the upper end of the connecting hole and is electrically connected to one end of the probe 3 by welding, and the other end of the probe 3 extends out from the lower end of the connecting hole. A compression block 6 is installed on the upper end of the body 1, a compression groove is formed on the side of the compression block 6 close to the body 1, and the DC bus 2 extends along the compression groove and is bent to extend into the connecting hole from the upper end of the connecting hole, so that the DC bus 2 is relatively fixed in the connecting hole to prevent it from moving up and down and loosening.

[0017] The probe 3 comprises a probe base and a probe head, the probe base is closely inserted into the connecting hole, and the probe head is electrically connected with the DC bus 2 and is a resilient structure, so that the probe head can move up and down along the axial direction under the action of axial pressure. Specifically, the probe head comprises an outer sleeve and an inner sleeve which are coaxially and slidably connected and electrically connected, the outer sleeve is electrically connected with the DC bus 2, and a spring is arranged between the inner sleeve and the outer sleeve, so that the inner sleeve can move up and down in the outer sleeve under the action of axial pressure. In this way, when the tool is connected with the workpiece, the elastic force of the probe head can provide a certain counterforce, so that the clamping of the buckle 5 with the workpiece is more stable and firm, and loosening is prevented.

[0018] A pressing plate 4 is arranged on the side wall of the body 1, the pressing plate 4 is elastically connected with the body 1, and a buckle 5 is arranged on the pressing plate 4, when the body 1 is connected with the workpiece to be aged and tested, the buckle 5 can be clamped with the workpiece to be aged and tested, the pressing plate 4 is pressed, and the buckle 5 can be disengaged from the clamping with the workpiece to be aged and tested. Specifically, a mounting groove is formed in the side wall of the body 1, and a limiting plate 7 is arranged on the body 1 and crosses over the mounting groove, the pressing plate 4 is mounted in the mounting groove, wherein the lower end of the pressing plate 4 is rotatably mounted in the mounting groove through a rotating shaft, and a reset spring is arranged between the upper end of the pressing plate 4 and the groove bottom of the mounting groove, under the action of the reset spring, the pressing plate 4 is attached to the limiting plate 7.

[0019] By adopting the overall design of the connecting joint, the high-voltage DC bus and the workpiece to be aged and tested can be quickly connected, and the operation efficiency is improved. At the same time, by cooperating the elastic probe and the buckle on the pressing plate, after connection, under the action of the elastic force of the elastic probe, the clamping stability of the buckle with the workpiece is ensured, so that the connection stability is improved, and by pressing the pressing plate, the body can be easily disassembled, the structure is simple, the use is convenient, and the quality risk is reduced.

[0020] The buckle 5 is a triangular prism structure with a straight angle triangle cross section, one straight angle side corresponds to a surface perpendicular to the surface of the pressing plate 4, and the outer normal of the inclined surface corresponding to the inclined side faces downward.

[0021] In use, the whole test tool is placed on the DC bus 2 copper bar position of the workpiece to be aged and tested, and then pressed downward, in the pressing process, the probe 3 quickly contacts the DC bus 2 copper bar of the workpiece to be aged and tested, the limiting structure 8 reaches the specified position, the buckle 5 is clamped with the corresponding structure in the workpiece to be aged and tested, so as to clamp the workpiece to be aged and tested, at the same time, the probe head is in abutment with the corresponding structure in the workpiece to be aged and tested, and the spring is compressed, under the action of the elastic force of the spring, the clamping is firm, the DC bus 2 copper bar of the workpiece to be aged and tested is in firm contact with the probe 3, when disassembling, the buckle 5 is loosened by pressing the pressing plate 4, under the action of the elastic force of the spring, the tool rises, and is quickly taken off, so that the operation efficiency is improved.

[0022] Finally, it needs to be explained that the above examples are only used to illustrate the technical solutions of the present application, but not to limit the technical solutions, and those of ordinary skill in the art should understand that those who modify or equivalently replace the technical solutions of the present application without departing from the purpose and scope of the present application should be covered in the scope of the claims of the present application.

Claims

1. A test fixture for quickly connecting a DC bus during aging, characterized in that, The device includes a main body and a DC bus. A connecting hole is formed in the main body, penetrating its upper and lower ends. A probe is placed in the connecting hole. One end of the DC bus extends into the connecting hole from the upper end and is electrically connected to one end of the probe. The other end of the probe extends out from the lower end of the connecting hole. The probe includes a probe base and a probe head. The probe base is tightly inserted into the connecting hole. The probe head is electrically connected to the DC bus and has an elastic structure, allowing it to move up and down along its axial direction under axial pressure. A pressing plate is provided on the side wall of the main body. The pressing plate is elastically connected to the main body and has a latch. When the main body is connected to the workpiece to be tested for aging, the latch can engage with the workpiece. Pressing the pressing plate disengages the latch from the workpiece.

2. The test fixture for quickly connecting a DC bus during aging as described in claim 1, characterized in that: A clamping block is installed at the upper end of the main body. A clamping groove is opened on the side of the clamping block near the main body. The DC bus extends along the clamping groove and bends before entering the connection hole from the upper end of the connection hole.

3. The test fixture for quickly connecting a DC bus during aging as described in claim 1, characterized in that: An installation groove is provided on the side wall of the main body, and a limiting plate is provided on the main body that spans the installation groove. The pressing plate is installed in the installation groove. The lower end of the pressing plate is rotatably installed in the installation groove via a rotating shaft, and a return spring is provided between the upper end and the bottom of the installation groove. Under the action of the return spring, the pressing plate and the limiting plate are in contact.

4. The test fixture for quickly connecting a DC bus during aging as described in claim 1, characterized in that: The buckle is a triangular prism structure with a right-angled triangle cross-section. The face corresponding to one right-angled side is perpendicular to the surface of the pressing plate, and the outer normal of the inclined face corresponding to the hypotenuse faces diagonally downward.

5. The test fixture for quickly connecting a DC bus during aging as described in claim 1, characterized in that: The body includes an integrally formed first block and a second block for connecting with the workpiece to be aged. The first block is larger than the second block, so that the longitudinal section of the body is T-shaped. A stepped structure is provided around the connection between the first block and the second block to form a limiting structure for cooperating with the workpiece to be aged.

6. The test fixture for quickly connecting a DC bus during aging as described in claim 1, characterized in that: The probe head includes an outer sleeve and an inner sleeve that are coaxially slidably connected and electrically connected. The outer sleeve is electrically connected to a DC bus, and a spring is provided between the inner sleeve and the outer sleeve, so that the inner sleeve can move up and down in the outer sleeve under axial pressure.

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