A high power shunt

Abstract

The utility model discloses a high -power shunt, specifically at shunt technical field, including installation base, the inside end surface of installation base is equipped with the installation slot, one side of inside end surface of installation slot is equipped with a plurality of shunt resistance board, both ends of shunt resistance board all are equipped with connecting lug, the inside of installation slot is equipped with a plurality of spacing connecting pressboard, both sides of spacing connecting pressboard outer end surface all are equipped with spacing lug, the utility model discloses practical use, through the corresponding setting state of spacing connecting pressboard, spacing lug, connecting lug, installation slot and concave limit groove, can replace the number of shunt resistance board according to the size of power current conveniently, thereby increases the applicability of high -power shunt, and under the state that spacing connecting pressboard and spacing lug outer end surface and concave limit groove's inside end surface are adapted, can make shunt resistance board installation more stable.

Description

Technical Field

[0001] This utility model relates to the field of shunt technology, and more specifically, to a high-power shunt. Background Technology

[0002] Shunts are widely used in current measurement and can be used for backflow, current limiting, current sharing, sampling, and detection of power supplies in communication systems, electronic devices, and automated control systems. The main characteristic of a shunt is that it is a low-resistance device with a sampling terminal. Traditional shunts use sampling lines to sample the current flowing through the manganese copper shunt. For example, patent CN217212887U discloses a power precision shunt, which includes a main body composed of a base plate and a sampling plate. The base plate and the sampling plate are arranged side by side, and a resistor is provided between the base plate and the sampling plate to electrically connect the two. A plug is fixedly connected to the base plate. The sampling plate has a sampling hole, and the area around the sampling hole is the sampling area. The edges of the base plate and the sampling plate are each formed with upwardly bent pins. The main body is covered with a PCB board. Holes are made on the PCB board at the corresponding positions of the plug, the sampling area, and the pins, and are welded and fixed to the pins. Specifically, the product uses clips to fix the PCB board in place by welding, and then inserts it into the power socket of the power module of a new energy vehicle through the plug rod. The installation process is simple and convenient, and the stability is good.

[0003] When the above-mentioned device is in operation, it uses the locking pins to fix the PCB board by welding, and then inserts it into the power socket of the power module of the new energy vehicle through the plug rod. The installation process is simple and convenient and has good stability. However, it can only shunt the current within a limited range and cannot adjust the shunt resistor plate according to the required current size, so its applicability is poor. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a high-power shunt. The technical problem to be solved by the present invention is: how to make the shunt resistor plate suitable for shunting current of different magnitudes.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-power shunt, including a mounting base, wherein the inner end face of the mounting base is provided with a mounting groove, and one side of the inner end face of the mounting groove is provided with a plurality of shunt resistor plates, and both ends of the shunt resistor plates are provided with connecting protrusions.

[0006] The mounting groove is provided with multiple limiting connecting pressure plates inside. Both sides of the outer end face of the limiting connecting pressure plates are provided with limiting protrusions. Both ends of the shunt resistor plate and the end face of the limiting connecting pressure plates are provided with locking sliding holes. Both sides of the upper end of the mounting base are provided with concave limiting grooves.

[0007] In a preferred embodiment, a connecting mounting block is provided on one side of the outer end face of the mounting base, and a concave groove is provided on one side of the outer end face of the shunt resistor plate.

[0008] In a preferred embodiment, a movable locking block is provided on the outer side of the upper end of the connecting mounting block, and a mounting sliding hole is provided in the middle of the end face of both the connecting mounting block and the movable locking block.

[0009] In a preferred embodiment, a locking bolt is provided inside the mounting slide hole, and a hexagonal groove is provided at the lower end of the connecting mounting block on the lower side of the mounting slide hole.

[0010] In a preferred embodiment, the end faces of the connecting mounting block and the movable card block that are in contact with each other are provided with matching protrusions.

[0011] In a preferred embodiment, the lower end of the mounting base is provided with a threaded hole, and the locking slide hole is provided with a locking screw.

[0012] In a preferred embodiment, the inner end face of the mounting groove is adapted to the outer end face of the limiting connection pressure plate, and the inner end face of the mounting groove is adapted to the outer end faces of both sides of the shunt resistor plate.

[0013] In a preferred embodiment, the outer end faces of the connecting protrusion and the limiting protrusion in the top view direction are adapted to the inner end face of the concave limiting groove in the top view direction, and the diameter of the inner end face of the locking sliding hole is larger than the outer end face of the locking screw thread rod.

[0014] In a preferred embodiment, the surfaces of the matching protrusions at the contact points of the connecting mounting block and the movable locking block are mutually adapted, and the outer end face of the locking bolt nut is adapted to the inner end face of the hexagonal groove.

[0015] In a preferred embodiment, the adapter protrusion is arranged in a wavy state in the right-view direction, and the outer end face of the threaded hole is adapted to the outer end face of the locking screw by threads.

[0016] The technical effects and advantages of this utility model are as follows:

[0017] In practical use, by setting the limiting connecting plate, limiting protrusion, connecting protrusion, mounting groove and concave limiting groove in a corresponding manner, the number of shunt resistor plates can be easily changed according to the size of the power supply current, thereby increasing the applicability of the high-power shunt. At the same time, when the outer end face of the limiting connecting plate and the limiting protrusion is adapted to the inner end face of the concave limiting groove, the installation of the shunt resistor plate can be more stable, so that the shunt resistor plate can shunt current of different sizes, thereby effectively increasing the applicability of the shunt resistor plate.

[0018] Meanwhile, with the corresponding settings of the connecting mounting block, movable locking block, and adapter protrusion, the power supply wires can be connected and fixed through the adapter protrusion, and the connecting mounting block and movable locking block can be locked and fixed through the locking bolts, thereby effectively increasing the stability of the high-power shunt installation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the overall main structure of this utility model.

[0021] Figure 3 This is a schematic diagram of the overall connection structure of this utility model.

[0022] Figure 4 This is a schematic diagram of the mounting base structure of this utility model.

[0023] The attached figures are labeled as follows: 1. Mounting base, 2. Connecting mounting block, 3. Movable locking block, 4. Shunt resistor plate, 5. Locking bolt, 6. Locking screw, 7. Concave groove, 8. Limiting connecting pressure plate, 9. Limiting protrusion, 10. Connecting protrusion, 11. Locking sliding hole, 12. Mounting groove, 13. Concave limiting groove, 14. Mounting sliding hole, 15. Threaded hole, 16. Hexagonal groove, 17. Adapting protrusion. Detailed Implementation

[0024] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, they are provided so that the description of this disclosure will be more complete and fully convey the concept of the exemplary embodiments to those skilled in the art. The drawings are merely illustrative of this disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and therefore repeated descriptions of them will be omitted.

[0025] Furthermore, the described features, structures, or characteristics can be combined in any suitable manner in one or more exemplary embodiments. Numerous specific details are provided in the following description to give a full understanding of exemplary embodiments of this disclosure. However, those skilled in the art will recognize that the technical solutions of this disclosure can be practiced with one or more of the specific details omitted, or other methods, components, steps, etc., can be employed. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring various aspects of this disclosure.

[0026] This utility model provides a high-power shunt, such as Figure 1 and 2As shown, it includes a mounting base 1, a connecting mounting block 2 is provided on one side of the outer end face of the mounting base 1, and a concave groove 7 is provided on one side of the outer end face of the shunt resistor plate 4.

[0027] The upper end of the connecting mounting block 2 is provided with a movable locking block 3. The surfaces of the adapter protrusions 17 at the contact points of the connecting mounting block 2 and the movable locking block 3 are mutually adapted, so that the positive and negative wires of the power supply can be connected and fixed by connecting the connecting mounting block 2 and the movable locking block 3.

[0028] like Figure 3 and 4 As shown, the inner end face of the mounting base 1 is provided with a mounting groove 12. One side of the inner end face of the mounting groove 12 is provided with multiple shunt resistor plates 4, which can be easily adjusted according to the magnitude of the current, thereby increasing the applicability of the shunt. Both ends of the shunt resistor plate 4 are provided with connecting protrusions 10.

[0029] The mounting groove 12 is provided with multiple limiting connecting pressure plates 8 inside. Both sides of the outer end face of the limiting connecting pressure plate 8 are provided with limiting protrusions 9. Locking sliding holes 11 are opened at both ends of the shunt resistor plate 4 and the end face of the limiting connecting pressure plate 8.

[0030] Both sides of the upper end of the mounting base 1 are provided with concave limiting grooves 13. When installing and replacing the shunt resistor plate 4, the workers install the shunt resistor plate 4 and the limiting connecting pressure plate 8 in sequence inside the mounting groove 12, and make the limiting protrusion 9 and the connecting protrusion 10 stuck inside the concave limiting groove 13. The middle of the end face of the connecting mounting block 2 and the movable locking block 3 are provided with mounting sliding holes 14, and the mounting sliding holes 14 are provided with locking bolts 5 inside.

[0031] The lower end of the connecting mounting block 2 has a hexagonal groove 16 on the lower side of the mounting sliding hole 14. The end faces of the connecting mounting block 2 and the movable locking block 3 that fit together are provided with matching protrusions 17. The operator places the power cord on the upper end of the connecting mounting block 2, installs the movable locking block 3 on the upper end of the connecting mounting block 2, and then locks the movable locking block 3 and the connecting mounting block 2 together with the locking bolt 5. The matching protrusions 17 on the inner end faces of the movable locking block 3 and the connecting mounting block 2 will fit together to lock and fix the power cord. The lower end of the mounting base 1 is provided with a threaded hole 15.

[0032] The locking slide hole 11 is provided with a locking screw 6 inside. The inner end face of the mounting groove 12 is adapted to the outer end face of the limiting connection pressure plate 8. The inner end face of the mounting groove 12 is adapted to the outer end faces of both sides of the shunt resistor plate 4.

[0033] The outer end faces of the connecting protrusion 10 and the limiting protrusion 9 in the top view direction are adapted to the inner end face of the concave limiting groove 13 in the top view direction, and the diameter of the inner end face of the locking sliding hole 11 is larger than the outer end face of the threaded rod of the locking screw 6.

[0034] The outer end face of the locking bolt 5 nut is adapted to the inner end face of the hexagonal groove 16, the adapting protrusion 17 is set in a wavy state in the right view direction, and the outer end face of the threaded hole 15 is adapted to the outer end face of the locking screw 6 through threads.

[0035] Finally, it should be noted that: the accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-power shunt, comprising a mounting base (1), characterized in that: The mounting base (1) has an inner end face with a mounting groove (12), and a plurality of shunt resistor plates (4) are provided on one side of the inner end face of the mounting groove (12). Both ends of the shunt resistor plate (4) are provided with connecting protrusions (10). The mounting groove (12) is provided with multiple limiting connecting pressure plates (8). Both sides of the outer end face of the limiting connecting pressure plate (8) are provided with limiting protrusions (9). Both ends of the shunt resistor plate (4) and the end face of the limiting connecting pressure plate (8) are provided with locking sliding holes (11). Both sides of the upper end of the mounting base (1) are provided with concave limiting grooves (13).

2. A high-power shunt according to claim 1, characterized in that: The mounting base (1) has a connecting mounting block (2) on one side of its outer end face, and the shunt resistor plate (4) has a concave groove (7) on one side of its outer end face.

3. A high-power shunt according to claim 2, characterized in that: The upper end of the connecting mounting block (2) is provided with a movable locking block (3), and the middle of the end face of both the connecting mounting block (2) and the movable locking block (3) is provided with a mounting sliding hole (14).

4. A high-power shunt according to claim 3, characterized in that: The mounting slide hole (14) is provided with a locking bolt (5), and the lower end of the connecting mounting block (2) is provided with a hexagonal groove (16) on the lower side of the mounting slide hole (14).

5. A high-power shunt according to claim 3, characterized in that: The end faces of the connecting mounting block (2) and the movable card block (3) that are in contact with each other are provided with matching protrusions (17).

6. A high-power shunt according to claim 1, characterized in that: The lower end of the mounting base (1) is provided with a threaded hole (15), and the inside of the locking slide hole (11) is provided with a locking screw (6).

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