CN218848226U - Direct current shunt - Google Patents
Direct current shunt Download PDFInfo
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- CN218848226U CN218848226U CN202222853776.0U CN202222853776U CN218848226U CN 218848226 U CN218848226 U CN 218848226U CN 202222853776 U CN202222853776 U CN 202222853776U CN 218848226 U CN218848226 U CN 218848226U
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- bottom plate
- shunt
- shielding shell
- direct current
- fixedly connected
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Abstract
The utility model discloses a direct current shunt, including the shunt body, the top of shunt body is provided with shielding case, and the bottom of shunt body is provided with first bottom plate and second bottom plate, is provided with the concatenation subassembly between first bottom plate and the second bottom plate, the top fixedly connected with plug bush of first bottom plate and second bottom plate. The utility model has the advantages that: the inserted bar on the first bottom plate is inserted in the jack on the second bottom plate, and make the plug bush cup joint the surface at the fixed block, and the cutting with the shielding shell lower extreme is inserted in the bar inslot at fixed strip top, make the position of first bottom plate and second bottom plate fixed, pass T type groove and thread groove threaded connection with the set screw, shielding shell is last to set up a plurality of louvres and fin, thereby can be to the quick discharge of heat that produces when shunt body test current, first bottom plate, easy dismounting between second bottom plate and the shielding shell, and connect stably, the not hard up condition influence test result can not appear.
Description
Technical Field
The utility model relates to a shunt technical field specifically is a direct current shunt.
Background
A shunt is an instrument for measuring direct current and is made according to the principle that when direct current passes through a resistor, voltage is generated across the resistor. Shunts are commonly used to provide a constant low resistance for large current ranges. Usually in parallel with the moving coil of a current meter or galvanometer. There are two types of connections, internal and external to the meter. In the technical field of electronic metering, a direct current shunt can be used for sampling and detecting current limiting, backflow and current equalizing of power supplies of a battery management system, an electronic complete machine, a communication system and an automatic control system, the direct current shunt is manufactured according to the principle that when direct current passes, voltage is generated at two ends of a resistor, the direct current shunt is a low resistor, and when the direct current passes, secondary voltage drop is generated to be displayed by a secondary instrument.
However, the structure of the dc shunt for shielding the external magnetic field is unstable and easy to loosen in installation, and is cumbersome to assemble and disassemble, so that the current measurement result is not accurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a direct current shunt.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a direct current shunt, includes the shunt body, the top of shunt body is provided with shielding case, the bottom of shunt body is provided with first bottom plate and second bottom plate, be provided with the concatenation subassembly between first bottom plate and the second bottom plate, the top fixedly connected with plug bush of first bottom plate and second bottom plate, be provided with coupling assembling between shielding case and first bottom plate and the second bottom plate, a plurality of louvres have been seted up on shielding case's surface, shielding case's both sides fixedly connected with fin.
Preferably, the shunt body comprises two fixing blocks, and a connecting column is fixedly connected between the two fixing blocks.
Preferably, a thread groove is formed in the top of the fixing block, a T-shaped groove is formed in the top of the shielding shell, a positioning screw is arranged in the T-shaped groove, and the lower end of the positioning screw is connected in the thread groove in a threaded mode.
Preferably, the splicing assembly comprises an inserting rod and an inserting hole, the inserting rod is fixedly connected to one side, close to the second bottom plate, of the first bottom plate, the inserting hole is formed in one side, close to the first bottom plate, of the second bottom plate, and the inserting rod is inserted into the inserting hole.
Preferably, coupling assembling includes the cutting, cutting fixed connection is in shielding shell's bottom, the equal fixedly connected with fixed strip in top of first bottom plate and second bottom plate, the bar groove has been seted up at the top of fixed strip, the cutting is pegged graft in the bar inslot.
The beneficial effects of the utility model are that: the utility model provides a direct current shunt, through setting up first bottom plate and second bottom plate, the inserted bar on the first bottom plate is pegged graft in the jack on the second bottom plate, and make the plug bush cup joint the surface at the fixed block, make first bottom plate and second bottom plate and fixed block carry out stable being connected, then cover shielding shell at the top of shunt body, make the spliced pole in the shunt body be located shielding shell's inboard, and peg graft the inserted bar of shielding shell lower extreme in the bar inslot at fixed bar top, thereby can carry out secondary connection with shielding shell and first bottom plate and second bottom plate, and make the rigidity of first bottom plate and second bottom plate, can not take place the skew, pass T type groove and thread groove threaded connection with the set screw at last, make the stable top outside of installing at the shunt body of shielding shell, can play the effect of shielding external magnetic field to the shunt body, and set up a plurality of louvres and fin on the shielding shell, thereby can discharge the heat that produces when testing current to the shunt body fast, it is better, can make the test current operation of shunt body more accurate through the above-mentioned structure, and the first bottom plate can not hard up the second and the stable test the condition, and the dismouting can not appear.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention;
fig. 2 is a perspective view of the shielding case structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-2, the utility model provides a pair of direct current shunt, including shunt body 1, shunt body 1's top is provided with shielding shell 5, shielding shell 5 can shield external magnetic field, lead to the result inaccuracy because of external magnetic field when preventing test current, shunt body 1's bottom is provided with first bottom plate 2 and second bottom plate 3, be provided with concatenation subassembly 4 between first bottom plate 2 and the second bottom plate 3, first bottom plate 2 and second bottom plate 3 are connected through concatenation subassembly 4, the top fixedly connected with plug bush 6 of first bottom plate and second bottom plate, first bottom plate 2 and second bottom plate 3 are connected with shunt body 1 through plug bush 6, be provided with coupling assembling 8 between shielding shell 5 and first bottom plate 2 and the second bottom plate 3, shielding shell 5 is connected with first bottom plate 2 and second bottom plate 3 through coupling assembling 8, stable in structure is difficult not hard up, make test current operation more stable, a plurality of louvres 51 have been seted up on shielding shell 5's surface, shielding shell 5's both sides fixedly connected with shielding shell 53, set up a plurality of fin 51 and second bottom plate 3, can be better when test current heat dispersion production heat, heat dispersion body 1 is better.
The current divider body 1 comprises two fixing blocks 11, a connecting column 12 is fixedly connected between the two fixing blocks 11, and the connecting column 12 and the fixing blocks 11 can be used for data acquisition of current testing.
The top of the fixed block 11 is provided with a threaded groove 111, the top of the shielding shell 5 is provided with a T-shaped groove 52, a positioning screw 7 is arranged in the T-shaped groove 52, the lower end of the positioning screw 7 is in threaded connection with the threaded groove 111, and the positioning screw 7 penetrates through the T-shaped groove 52 and is in threaded connection with the threaded groove 111, so that the shielding shell 5 is stably installed on the outer side of the top of the shunt body 1.
Coupling assembling 8 includes cutting 81, cutting 81 fixed connection is in the bottom of shielding shell 5, the equal fixedly connected with fixed strip 82 in top of first bottom plate 2 and second bottom plate 3, bar groove 83 has been seted up at the top of fixed strip 82, cutting 81 is pegged graft in bar groove 83, peg graft the cutting 81 of 5 lower extremes of shielding shell in the bar groove 83 at fixed strip 82 top, thereby can carry out the secondary connection with shielding shell 5 and first bottom plate 2 and second bottom plate 3, and make the rigidity of first bottom plate 2 and second bottom plate 3, the skew can not take place.
The working principle is as follows: the plug rod 41 on the first base plate 2 is plugged into the jack 42 on the second base plate 3, the plug bush 6 is sleeved on the surfaces of the fixing blocks 11 on two sides of the connecting column 12, the first base plate 2 and the second base plate 3 are primarily connected with the fixing blocks 11, then the shielding shell 5 is covered on the top of the shunt body 1, the connecting column 12 in the shunt body 1 is located on the inner side of the shielding shell 5, the plug strip 81 at the lower end of the shielding shell 5 is plugged into the strip-shaped groove 83 at the top of the fixing strip 82, the shielding shell 5 can be secondarily connected with the first base plate 2 and the second base plate 3, the positions of the first base plate 2 and the second base plate 3 are fixed, deviation cannot occur, finally, the positioning screw 7 penetrates through the T-shaped groove 52 to be in threaded connection with the threaded groove 111, the shielding shell 5 is stably installed on the outer side of the top of the shunt body 1, the effect of shielding the external magnetic field shielding shell 1 can be achieved, a plurality of radiating holes 51 and radiating fins 53 are arranged on the shielding shell 5, the radiating holes can discharge heat generated when the current of the shunt body 1 is tested, the heat of the shunt can be discharged, the shunt body, the radiating performance of the shunt can be better, the quick testing structure, and the situation of the first base plate can be prevented from affecting the second base plate 3, and the looseness of the testing, and the testing, the situation of the testing can be more convenient and the second base plate 3, and the testing can be more convenient and the situation of the testing can be realized, and the situation of the first base plate can be more.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A direct current shunt, includes shunt body (1), its characterized in that: the top of shunt body (1) is provided with shielded enclosure (5), the bottom of shunt body (1) is provided with first bottom plate (2) and second bottom plate (3), be provided with concatenation subassembly (4) between first bottom plate (2) and second bottom plate (3), the top fixedly connected with plug bush (6) of first bottom plate and second bottom plate, be provided with coupling assembling (8) between shielded enclosure (5) and first bottom plate (2) and second bottom plate (3), a plurality of louvres (51) have been seted up on the surface of shielded enclosure (5), the both sides fixedly connected with fin (53) of shielded enclosure (5).
2. A dc splitter according to claim 1, wherein: the flow divider body (1) comprises two fixing blocks (11), and a connecting column (12) is fixedly connected between the two fixing blocks (11).
3. A direct current shunt according to claim 2, wherein: thread groove (111) have been seted up at the top of fixed block (11), T type groove (52) have been seted up at the top of shielding shell (5), be provided with set screw (7) in T type groove (52), the lower extreme threaded connection of set screw (7) is in thread groove (111).
4. A direct current shunt according to claim 1, wherein: the splicing assembly (4) comprises an inserting rod (41) and a jack (42), the inserting rod (41) is fixedly connected to one side, close to the second base plate (3), of the first base plate (2), the jack (42) is formed in one side, close to the first base plate (2), of the second base plate (3), and the inserting rod (41) is inserted into the jack (42).
5. A direct current shunt according to claim 1, wherein: coupling assembling (8) are including cutting (81), cutting (81) fixed connection is in the bottom of shielding shell (5), the equal fixedly connected with fixed strip (82) in top of first bottom plate (2) and second bottom plate (3), bar groove (83) have been seted up at the top of fixed strip (82), cutting (81) are pegged graft in bar groove (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853776.0U CN218848226U (en) | 2022-10-28 | 2022-10-28 | Direct current shunt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853776.0U CN218848226U (en) | 2022-10-28 | 2022-10-28 | Direct current shunt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218848226U true CN218848226U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222853776.0U Active CN218848226U (en) | 2022-10-28 | 2022-10-28 | Direct current shunt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218848226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116647984A (en) * | 2023-06-10 | 2023-08-25 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
-
2022
- 2022-10-28 CN CN202222853776.0U patent/CN218848226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116647984A (en) * | 2023-06-10 | 2023-08-25 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
| CN116647984B (en) * | 2023-06-10 | 2024-05-28 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
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