CN215986167U - Rogowski coil detection mechanism and detection device with same - Google Patents
Rogowski coil detection mechanism and detection device with same Download PDFInfo
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- CN215986167U CN215986167U CN202122055262.6U CN202122055262U CN215986167U CN 215986167 U CN215986167 U CN 215986167U CN 202122055262 U CN202122055262 U CN 202122055262U CN 215986167 U CN215986167 U CN 215986167U
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Abstract
The utility model provides a Rogowski coil detection mechanism, which comprises a Rogowski coil and a fixing device, wherein the Rogowski coil is fixed on a base; the Rogowski coil comprises a base body; the basal body comprises a cylindrical part and a circular ring part; the fixing device comprises a first row of columns and a second row of columns; the Rogowski coil is arranged between the first row of columns and the second row of columns; a boss is fixed on one side of the second row of columns close to the Rogowski coil; the boss penetrates through a circular ring part on the Rogowski coil and is contacted with the first row of columns; the bottom walls of the first row of columns and the second row of columns are transversely provided with a plurality of second openings corresponding to each other; the fixing device also comprises a first sheet plate, a second sheet plate, a first cover plate and a second cover plate; the first sheet plate is positioned between the Rogowski coil and the first row of columns; the second sheet is located between the rogowski coil and the second row of columns. The Rogowski coil and the fixing device are arranged in the Rogowski coil detection mechanism, so that the Rogowski coil detection mechanism is convenient to operate and take and can meet the normal use of a test tool with a narrow space.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a Rogowski coil detection mechanism and a detection device with the Rogowski coil detection mechanism.
Background
The rapid development of the industry leads to the corresponding development of a plurality of industries, the electronic information industry is the most important one, people continuously and deeply research electronic products, and the performance of the electronic products is further improved; in the process of researching and analyzing the electronic product, in order to ensure that the effect of the electronic product in the application process can be fully exerted, higher requirements are put forward on the test of the electronic product; in the process of testing the electronic product, a reasonable clamping mode and a reasonable operation mode of processes before and after testing of the device are adopted, so that an efficient mode is achieved.
When a current detecting spiral coil in a test tool is installed at present, holes are required to be formed in two sides of a conductive copper-clad body on a circuit board substrate in the test tool, and then the spiral coil penetrates through the holes in the two sides and is buckled; the operation space of the test tool is narrow, the screw coil is often buckled by two hands, the operation efficiency is low, and the screw coil is inconvenient to fix on the circuit board substrate; in addition, the price of luo shi coil is expensive, and test fixture need be hard to trade, lead to luo shi coil needs constantly plug, the easy inner wall that makes public first outer wall and female head of this kind of long-time plug produces wearing and tearing, thereby influence luo shi coil's connection stability, during plug public head and female head, need manual application external force to extract public head or push into, the operation of plug can be pulled luo shi coil, thereby cause luo shi coil's damage easily, greatly influence luo shi coil's life and then improve the detection cost.
According to the above disadvantages, some enterprises have made relevant improvements to the fixing device, such as the reference document with publication number CN211979021U, which discloses a fixing device for a rogowski coil, comprising a rogowski coil, a male head, a female head and a mounting seat, wherein the mounting seat is fixed inside a transformer shell, one end of the rogowski coil is fixedly arranged, the other end of the rogowski coil is detachably connected to the mounting seat through the male head and the female head, the rogowski coil is annular, the male head is fixedly connected to an end part of the rogowski coil, the female head comprises a connecting part and a clamping cap, the male head and the connecting part are both cylindrical, the clamping cap is in an inverted barrel shape, the clamping cap is clamped on an outer wall of the connecting part, the connecting part is fixedly arranged on an upper end face of the female head and is a certain distance higher than an upper end face of the female head, a counter bore is arranged on the upper end face of the connecting part, a through hole is arranged on the upper end face of the clamping cap, and diameters of the counter bore and the through hole are both larger than the outer diameter of the male head; adopt this fixing device to carry out the fixed of luo shi coil, although can solve the harm of continuous plug to luo shi coil to a certain extent, there is the complicated, inconvenient scheduling problem of operation of structure, the device not only can't convenient the change in addition, but also still need the electrically conductive copper body both sides trompil on the circuit board base plate, make the luo shi coil pass both sides trompil again and carry out the lock, and test fixture's operating space is narrow and small, therefore the device is not fit for using in test fixture.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is that the Rogowski coil detection mechanism in the prior art has the problems of complex structure, inconvenience in operation, incapability of being replaced conveniently and unsuitably for a test tool with narrow space.
The utility model solves the technical problems through the following technical means:
a Rogowski coil detection mechanism comprises a Rogowski coil (12) and a fixing device (14); the Rogowski coil (12) comprises a base body (122); the base (122) comprises a cylindrical portion and an annular portion; the fixture (14) comprises a first row of columns (145), a second row of columns (147); the Rogowski coil (12) is arranged between the first row of columns (145) and the second row of columns (147); a boss (1472) is fixed on one side, close to the Rogowski coil (12), of the second row of columns (147); the boss (1472) penetrates through the annular part on the Rogowski coil (12) and is in mutual contact with the first row of columns (145); a plurality of second openings (1452) corresponding to each other are formed in the bottom walls of the first row of columns (145) and the second row of columns (147) in a transverse row; the fixing device (14) further comprises a first sheet plate (141), a second sheet plate (143), a first cover plate (148) and a second cover plate (149); the first sheet (141) is positioned between the Rogowski coil (12) and the first row of columns (145); the second sheet (143) is located between the Rogowski coil (12) and the second row of columns (147); the first cover plate (148) is fixed on the first sheet (141), and the second cover plate (149) is fixed on the second sheet (143); one side of the first cover plate (148) close to the first row of columns (145) and one side of the second cover plate (149) close to the second row of columns (147) are provided with second grooves (1482) with the same vertical cross section as the first row of columns (145); the first row of columns (145) are clamped between the first sheet plate (141) and a second groove (1482) in the first cover plate (148); the second row of columns (147) is clamped between the second sheet (143) and a second slot (1482) in the second cover plate (149).
When the device is used, the first row of columns are placed between the first sheet plate and the second open slot on the first cover plate, the first sheet plate and the first cover plate are fixed, the second row of columns are placed between the second sheet plate and the second open slot on the second cover plate, the second sheet plate and the second cover plate are fixed, and meanwhile, the bosses on the second row of columns penetrate through the circular ring part on the Rogowski coil to be in mutual contact with the first row of columns; this rogowski coil detection mechanism installs immediately before using fixedly, and does not do any dismantlement in the use, and the second trompil of accessible volleyball post bottom is inserted and pulled in circuit board or main circuit in the use, realizes quick plug and changes, has convenient operation, is convenient for take, is fit for advantages such as narrow and small test fixture in space.
Further, the first row of columns (145) and the second row of columns (147) are made of copper.
Furthermore, a die cavity (1412) with the same shape as the Rogowski coil (12) is formed in one side of the first sheet plate (141) and the second sheet plate (143) close to the Rogowski coil (12); one sides of the first sheet plate (141) and the second sheet plate (143) far away from the Rogowski coil (12) are provided with first slots (1414) with vertical sections identical to those of the first row of columns (145); the first sheet plate (141) and the second sheet plate (143) are provided with first openings (1413) close to the ring parts of the Rogowski coil (12); the first sheet plate (141) is fixedly connected with the second sheet plate (143), and the Rogowski coil (12) is positioned in a die cavity (1412) formed in the first sheet plate (141) and the second sheet plate (143); the first row of columns (145) are fixed in a first groove (1414) formed in the first sheet plate (141); the second row of columns (147) is fixed in a first groove (1414) formed in the second sheet plate (143); bosses (1472) on the second row of columns (147) sequentially penetrate through the first open holes (1413) on the second sheet plate (143), the Rogowski coil (12), and the first open holes (1413) on the first sheet plate (141) to be fixed with the first row of columns (145).
Further, the first row of columns (145) is clamped between a first slot (1414) on the first sheet (141) and a second slot (1482) on the first cover plate (148); the second row of columns (147) is clamped between a first slot (1414) in the second sheet (143) and a second slot (1482) in the second cover plate (149).
Further, the height of the first row of columns (145) is smaller than the height of the first cover plate (148), and the height of the first cover plate (148) is smaller than the height of the first sheet plate (141); the height of the second row of columns (147) is less than the height of the second cover plate (149), and the height of the second cover plate (149) is less than the height of the second sheet plate (143); the first cover plate (148), the second cover plate (149), the first sheet plate (141) and the second sheet plate (143) are all made of insulating materials.
Has the advantages that: through the position and the height setting of first plate, second plate, first apron, second apron, the better fixed Rogowski coil of being convenient for to can be fast, reliable plug, and the shape is pleasing to the eye.
The utility model also discloses a detection device using the Rogowski coil detection mechanism in any technical scheme, and the detection device further comprises a detection circuit board (2); the detection circuit board (2) comprises a substrate (21) and a second conducting layer (24); a plurality of groups of second conductive layers (24) are arranged on the top wall of the substrate (21); each group of the second conductive layers (24) comprises a first copper layer (242) and a second copper layer (244) which are arranged at intervals in the front-back direction; a plurality of first banana heads (2422) matched with the second opening holes (1452) are arranged on the first copper layer (242) in a row, and second banana heads (2442) parallel to the first banana heads (2422) are arranged on the second copper layer (244) in a row; second trompil (1452) seted up on first row of post (145), second row of post (147) bottom wall are inserted correspondingly on first banana head (2422), second banana head (2442).
When the device is used, after the Rogowski coil detection mechanism is installed and fixed, a detection circuit board is manufactured, namely after the substrate is manufactured, a plurality of groups of first copper layers and second copper layers which correspond to each other in pairs are arranged on the top wall of the substrate, and then a plurality of first banana heads and second banana heads are correspondingly arranged on the first copper layers and the second copper layers in rows, so that a gap bridge lap joint current detection mode is realized; when the banana head detection mechanism works, second openings at the bottom ends of a first row of columns and a second row of columns on the Rogowski coil detection mechanism are correspondingly inserted into a first banana head and a second banana head respectively; when current is introduced, the current sequentially passes through the first copper layer, the first banana head, the first rowed column (second rowed column), the Rogowski coil, the second rowed column (first rowed column), the second banana head and the second copper layer to detect the current; the Rogowski coil is always in a closed loop state in the use process through the arrangement, the Rogowski coil does not need to be plugged and pulled all the time, and therefore the service life of the Rogowski coil is prolonged.
Further, the base plate (21) is rectangular, and a convex plate (212) is integrally formed and fixed on the front wall of the base plate; the detection circuit board (2) further comprises a first conductive layer (22); the front half part of the first conducting layer (22) is positioned on the convex plate (212), and the rear half part is positioned on the substrate (21); the first conductive layer (22) is arranged in parallel with the length direction of the substrate (21); the first conducting layer (22) is fixed on the top wall and the bottom wall of the convex plate (212) and the base plate (21).
Further, the detection circuit board (2) further comprises an absorption capacitor (23); a plurality of absorption capacitors (23) are fixed on the top wall and the bottom wall of the substrate (21), the absorption capacitors (23) are positioned behind the first conductive layer (22), and the absorption capacitors (23) on the top wall of the substrate (21) and the absorption capacitors (23) on the bottom wall of the substrate (21) are arranged in a staggered mode; the absorption capacitor (23) is arranged in parallel with the length direction of the substrate (21); the second conducting layer (24) is fixed on the top wall of the substrate (21) and is positioned behind the absorption capacitor (23); the second conductive layer (24) is arranged in parallel to the longitudinal direction of the substrate (21).
Has the advantages that: the absorption capacitors are arranged in a vertically staggered manner, so that the use space of the circuit board can be effectively saved.
Further, the detection circuit board (2) further comprises a relay (26); two rows of relays (26) are respectively fixed on two sides of the top wall of the substrate (21), and each row of relays (26) is perpendicular to the length direction of the substrate (21); each row of the relays (26) comprises a plurality of small relays which are vertically connected in parallel; the relay (26) is located behind the absorption capacitor (23), and the second conductive layer (24) is located between the two rows of relays (26).
Further, the detection circuit board (2) further comprises a mounting hole (25); a plurality of mounting holes (25) penetrate through the substrate (21), the mounting holes (25) are located behind the second conducting layers (24), and the mounting holes (25) are located between the two rows of relays (26).
The utility model has the advantages that:
the Rogowski coil detection mechanism is provided with the Rogowski coil and the fixing device, when the Rogowski coil detection mechanism is used, the first row of columns are placed between the first sheet plate and the second open slot on the first cover plate, the first sheet plate and the first cover plate are fixed, then the second row of columns are placed between the second sheet plate and the second open slot on the second cover plate, the second sheet plate and the second cover plate are fixed, and meanwhile, the bosses on the second row of columns penetrate through the circular ring part on the Rogowski coil to be in mutual contact with the first row of columns; this rogowski coil detection mechanism installs immediately before using fixedly, and does not do any dismantlement in the use, and the second trompil of accessible volleyball post bottom is inserted and pulled in circuit board or main circuit in the use, realizes quick plug and changes, has convenient operation, is convenient for change, is fit for advantages such as narrow and small test fixture in space.
The detection device is provided with the Rogowski coil detection mechanism and the detection circuit board, and when the detection device is used, the detection circuit board is manufactured after the Rogowski coil detection mechanism is installed and fixed, namely after the substrate is manufactured, a plurality of groups of first copper layers and second copper layers which correspond to each other in pairs are arranged on the top wall of the substrate, and then a plurality of first banana heads and second banana heads are correspondingly arranged on the first copper layers and the second copper layers in rows, so that a gap bridge lap joint current detection mode is realized; the Rogowski coil can be always in a closed loop state in the use process through the arrangement, the Rogowski coil does not need to be always plugged and pulled, and therefore the service life of the Rogowski coil is prolonged.
According to the Rogowski coil fixing device, the Rogowski coil can be fixed better through the arrangement of the positions and the heights of the first sheet plate, the second sheet plate, the first cover plate and the second cover plate, so that the Rogowski coil can be inserted and pulled out quickly and reliably, and the Rogowski coil fixing device is attractive in shape.
The utility model can effectively save the use space of the circuit board by arranging the absorption capacitors in a vertically staggered manner.
Drawings
FIG. 1 is an enlarged exploded view of the Rogowski coil detection mechanism in the detection apparatus according to the embodiment of the present invention;
FIG. 2 is an enlarged exploded view of another view of the Rogowski coil detection mechanism in the detection apparatus according to the embodiment of the present invention;
FIG. 3 is an enlarged perspective view of the Rogowski coil detecting mechanism in the detecting device according to the embodiment of the present invention;
FIG. 4 is an enlarged bottom view of the Rogowski coil detecting mechanism in the detecting device according to the embodiment of the present invention;
FIG. 5 is an enlarged left side view of the Rogowski coil detecting mechanism in the detecting device according to the embodiment of the present invention;
FIG. 6 is an assembly view of a test device according to an embodiment of the present invention;
FIG. 7 is a perspective view of a detecting device according to an embodiment of the present invention;
FIG. 8 is a top view of a detection device according to an embodiment of the present invention;
fig. 9 is a front view of a detection apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1, 2 and 3, the present embodiment provides a rogowski coil detection mechanism 1, which includes a rogowski coil 12 and a fixing device 14.
As shown in fig. 1, the rogowski coil 12 includes a base 122, a male and a female 124; the top section of the base body 122 is a cylinder, and the bottom section of the base body 122 can be bent into a circular ring shape; the bottom end of the base 122 is a male end (not shown); the male and female members 124 are fixed on the cylinder at the top section of the base 122, and the male head at the bottom end of the base 122 can be inserted into the male and female members 124; the rogowski coil 12 of the present embodiment is in the shape of a closed loop formed by inserting a male head into a male female 124.
As shown in fig. 1, the fixing device 14 includes a first plate 141, a second plate 143, a first row of pillars 145, a second row of pillars 147, a first cover plate 148, and a second cover plate 149.
As shown in fig. 1 and 2, the vertical section of the first plate 141 is rectangular; a die cavity 1412 with the same shape as the rogowski coil 12 is formed in one side of the first sheet plate 141 close to the rogowski coil 12, and the height of the cylindrical part on the die cavity 1412 is smaller than that of the cylindrical part on the rogowski coil 12; a first notch 1414 with the same vertical section as the first row of columns 145 is formed in one side of the first sheet plate 141, which is far away from the rogowski coil 12; a first opening 1413 is formed in the first sheet plate 141, close to the annular part of the rogowski coil 12, and the diameter of the first opening 1413 is slightly smaller than that of the annular part of the rogowski coil 12; a handle 1416 is integrally fixed on one side of the top wall of the first plate 141 close to the rogowski coil 12, the handle 1416 is arranged in an arched shape, and a hole is formed in the middle of the handle 1416, so that the fixing device 14 can be conveniently taken out.
As shown in fig. 1 and 2, the second sheet 143 has the same structure as the first sheet 141; the first sheet plate 141 and the second sheet plate 143 are fixedly connected, and the rogowski coil 12 is positioned in a die cavity 1412 formed in the first sheet plate 141 and the second sheet plate 143; the first row of columns 145 are fixed in a first slot 1414 formed in the first plate 141; the second row of posts 147 is secured in a first slot 1414 formed in the second plate 143.
As shown in fig. 1 and 2, a rectangular sheet is disposed below the first row of pillars 145, and a semicircular sheet is integrally fixed to a middle position of a top wall of the rectangle.
As shown in fig. 1 and 2, a rectangular sheet is arranged below the second row of columns 147, and a semicircular sheet is integrally fixed at the middle position of the top wall of the rectangle; a circular boss 1472 is integrally fixed on one side of the second row of columns 147 close to the second plate 143; the upper semicircle of the boss 1472 is fixed at the semicircular position on the second row column 147, and the lower semicircle of the boss 1472 is fixed at the rectangular top section position on the second row column 147; the diameter of the boss 1472 is slightly smaller than the diameter of the first opening 1413; as shown in fig. 4, the bottom walls of the first row of pillars 145 and the second row of pillars 147 are respectively and transversely provided with a plurality of second openings 1452 corresponding to each other, and in this embodiment, the bottom walls of the first row of pillars 145 and the second row of pillars 147 are respectively and transversely provided with three second openings 1452.
As shown in fig. 1 and 2, the bosses 1472 of the second row of posts 147 sequentially penetrate through the first opening 1413 of the second plate 143, the rogowski coil 12, and the first opening 1413 of the first plate 141 to contact with the first row of posts 145.
As shown in fig. 1 and 2, the vertical section of the first cover plate 148 is rectangular; a second notch 1482 with the same vertical section as the first row of columns 145 is formed on one side of the first cover plate 148 close to the first row of columns 145; the height of the first row of pillars 145 is less than the height of the first cover plate 148, and as shown in fig. 3, the height of the first cover plate 148 is less than the height of the first plate 141.
As shown in fig. 1 and 2, the vertical section of the second cover plate 149 is rectangular; a second notch 1482 with the same vertical section as the second row of columns 147 is formed in one side of the second cover plate 149 close to the second row of columns 147; the height of the second row of columns 147 is less than the height of the second cover plate 149. as shown in FIG. 3, the height of the second cover plate 149 is less than the height of the second plate 143.
As shown in fig. 3, the first cover 148 is fixed to the first plate 141, and the second cover 149 is fixed to the second plate 143.
As shown in fig. 1, 2 and 5, the first row of posts 145 and the first plate 141 are fixed by the fixing posts 16 and the corresponding fixing holes 17; the second row of columns 147 and the second plate 143 are fixed by the fixing columns 16 and the matched fixing holes 17; the first sheet plate 141 and the second sheet plate 143 are fixed through the fixing posts 16 and the matching fixing holes 17, the rogowski coil 12 is positioned in a die cavity 1412 formed in the first sheet plate 141 and the second sheet plate 143, and a cylindrical part on the rogowski coil 12 extends out of the die cavity 1412; the boss 1472 penetrates through the rogowski coil 12, the first opening 1413 and the first row of columns 145 to be fixed through the fixed column 16 and the matched fixed hole 17; the first cover plate 148 and the first sheet plate 141 are fixed through the fixing column 16 and the matched fixing hole 17, and the first row of columns 145 is clamped between the first notch 1414 on the first sheet plate 141 and the second notch 1482 on the first cover plate 148; the second cover plate 149 and the second plate 143 are fixed through the fixing column 16 and the matched fixing hole 17, and the second row of columns 147 is clamped between the first notch 1414 on the second plate 143 and the second notch 1482 on the second cover plate 149; as shown in fig. 5, the bottom ends of the first row of pillars 145 and the second row of pillars 147 slightly protrude out of the slot.
The first plate 141, the second plate 143, the first cover plate 148 and the second cover plate 149 are made of insulating materials, and in the embodiment, the first plate 141, the second plate 143, the first cover plate 148 and the second cover plate 149 are all made of bakelite by milling, so that the insulating property is good, and the processing and the forming are easy; the first row of pillars 145 and the second row of pillars 147 are formed by milling red copper T2, and are plated with tin on the surfaces thereof to increase the conductivity and hardness and prevent oxidation.
When in use, the first row of columns 145 are placed in the first slot 1414 and fixed through the fixed columns 16 and the matched fixed holes 17; then, the second row of posts 147 is placed in the first slot 1414, and meanwhile, the bosses 1472 on the second row of posts 147 are placed in the first opening 1413 and are fixed through the fixing posts 16 and the matched fixing holes 17; then, the rogowski coil 12 is placed in a die cavity 1412 formed in the first sheet plate 141 and the second sheet plate 143, the first sheet plate 141, the first row of columns 145, the second sheet plate 143 and the second row of columns 147 are fixed through the fixing posts 16 and the matched fixing holes 17, and at this time, the bosses 1472 extend into the rogowski coil 12, the first openings 1413 and the first row of columns 145 are fixed through the fixing posts 16 and the matched fixing holes 17; then the first cover plate 148 is fixed on the first sheet plate 141 through the fixing column 16 and the matched fixing hole 17, and then the second cover plate 149 is fixed on the second sheet plate 143 through the fixing column 16 and the matched fixing hole 17; at this time, the first row of columns 145 is clamped between the first notch 1414 on the first sheet 141 and the second notch 1482 on the first cover plate 148, and the second row of columns 147 is clamped between the first notch 1414 on the second sheet 143 and the second notch 1482 on the second cover plate 149, so that the installation of the rogowski coil detection mechanism 1 is completed; this rogowski coil detection mechanism 1 installs immediately before using fixedly, and does not do any dismantlement in the use, and the second trompil 1452 of accessible volleyball post bottom inserts and pulls out in circuit board or main circuit in the use, realizes quick plug and changes, has convenient operation, is convenient for change, is fit for advantage such as narrow and small test fixture in space.
Example two
As shown in fig. 1, the present embodiment provides a detection apparatus, which includes a rogowski coil detection mechanism 1 and a detection circuit board 2.
As shown in fig. 6 and 7, the rogowski coil detection mechanism 1 is provided on the top wall of the detection circuit board 2.
As shown in fig. 1 to 5, the rogowski coil detection mechanism 1 is the rogowski coil detection mechanism 1 described in the first embodiment.
As shown in fig. 6 and 8, the detection circuit board 2 includes a substrate 21, a first conductive layer 22, an absorption capacitor 23, a second conductive layer 24, a mounting hole 25, and a relay 26.
As shown in fig. 6 and 8, the base plate 21 is rectangular, and an inverted U-shaped protruding plate 212 is integrally formed and fixed on the front wall thereof; the convex plate 212 is positioned in the middle of the base plate 21, and the length of the convex plate is smaller than that of the base plate 21; the first conductive layer 22, the absorption capacitor 23, the second conductive layer 24, the mounting hole 25, and the relay 26 are all located on the substrate 21.
As shown in fig. 6 and 8, the first conductive layer 22 is rectangular and has a length slightly smaller than that of the protruding plate 212, a front half portion of the first conductive layer 22 is located on the protruding plate 212, and a rear half portion is located on the substrate 21; the first conductive layer 22 is fixed on the top wall and the bottom wall of the convex plate 212 and the substrate 21; the material of the first conductive layer 22 is copper, and is plated on the substrate 21 and the bump 212 by a conventional process.
As shown in fig. 6 and 9, the absorption capacitor 23 is fixed on the top wall and the bottom wall of the substrate 21 and is located at the rear middle position of the first conductive layer 22; a plurality of absorption capacitors 23 are arranged, in this embodiment, eight absorption capacitors 23 are fixed on the top wall of the substrate 21 through the first fixing seat 232, seven absorption capacitors 23 are fixed on the bottom wall of the substrate 21 through the first fixing seat 232, and the absorption capacitors 23 on the top wall of the substrate 21 and the absorption capacitors 23 on the bottom wall of the substrate 21 are arranged in a staggered manner, so that the use space of the circuit board can be effectively saved; the first fixing base 232 penetrates the substrate 21 and is fixed to the substrate 21 by soldering.
As shown in fig. 4, 6 and 8, the second conductive layer 24 is fixed on the top wall of the substrate 21 and located at the rear middle position of the absorption capacitor 23; the second conductive layer 24 is provided with a plurality of sets, and the present embodiment exemplifies that the second conductive layer 24 is provided with two sets; each set of second conductive layers 24 includes a first copper layer 242 and a second copper layer 244 aligned and spaced back and forth, the copper layers being plated onto the substrate 21 using conventional processes; a plurality of first banana heads 2422 matched with the second opening holes 1452 are fixed on the first copper layer 242 in a horizontal row, a second banana head 2442 parallel to the first banana head 2422 is fixed on the second copper layer 244 in a horizontal row, and three corresponding banana heads are fixed on the copper layer in a horizontal row for transmitting current in the embodiment; as shown in fig. 9, the bottom end of the banana head penetrates the base plate 21 and is fixed with the base plate 21 by welding; during specific operation, the number of the banana heads can be set according to the magnitude of current, more banana heads are set when the current is large, and less banana heads are set when the current is small; the first banana head 422 and the second banana head 442 are both conductive banana heads and are a conductive body.
As shown in fig. 6 and 8, a plurality of mounting holes 25 are formed in a row on the substrate 21, in this embodiment, a pair of six mounting holes 25 are formed in a row on the substrate 21, and the mounting holes 25 are located at the rear middle position of the second conductive layer 24; the mounting hole 25 is a quincuncial shape and is penetrated and arranged.
As shown in fig. 6 and 8, the first conductive layer 22, the absorption capacitor 23, the second conductive layer 24, and the mounting hole 25 are all disposed in parallel with the longitudinal direction of the substrate 21, and are sequentially disposed at the front position of the substrate 21 from front to back.
As shown in fig. 6 and 8, two rows of relays 26 are arranged perpendicular to the length direction of the substrate 21 and are respectively fixed on two sides of the top wall of the substrate 21, each row of relays 26 includes a plurality of small relays connected in parallel in a vertical row, and in this embodiment, each row of relays 26 includes six relays 26; the relay 26 is positioned behind the absorption capacitor 23, and the second conductive layer 24 and the mounting hole 25 are positioned between the two rows of relays 26; as shown in fig. 9, the relay 26 is fixedly connected to the base 21 through the second fixing seat 262, the second fixing seat 262 is provided with four corners fixed to the bottom wall of the relay 26, and the second fixing seat 262 penetrates through the substrate 21 and is fixed to the substrate 21 by welding.
As shown in fig. 4, 5, 6, and 7, the second opening 1452 at the bottom end of the rowed column can be inserted into and pulled out from the banana head, and current detection is performed by bridging and overlapping, so that the rogowski coil 12 is always in a closed loop state in the using process, and the rogowski coil 12 is not required to be inserted and pulled out all the time, thereby prolonging the service life of the rogowski coil 12.
When in use, after the installation and fixation of the rogowski coil detection mechanism 1 are completed on the basis of the first embodiment, the detection circuit board 2 is manufactured, that is, after the substrate 21 is manufactured, a plurality of groups of first copper layers 242 and second copper layers 244 corresponding to each other in pairs are plated at the front section of the top wall of the substrate 21, and then a plurality of first banana heads 2422 and second banana heads 2442 matched with the second opening 1452 are correspondingly welded on the first copper layers 242 and the second copper layers 244 in rows, so that a bridging lap joint current detection mode is realized; during operation, the second opening 1452 at the bottom end of the upper row of posts of the rogowski coil detection mechanism 1 is respectively inserted into the first banana head 2422 and the second banana head 2442, and when current is applied, the current sequentially passes through the first copper layer 242, the first banana head 2422, the first row of posts 145 (the second row of posts 147), the rogowski coil, the second row of posts 147 (the first row of posts 145), the second banana head 2442 and the second copper layer 244 to detect the current.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A Rogowski coil detection mechanism is characterized by comprising a Rogowski coil (12) and a fixing device (14);
the Rogowski coil (12) comprises a base body (122); the base (122) comprises a cylindrical portion and an annular portion;
the fixture (14) comprises a first row of columns (145), a second row of columns (147);
the Rogowski coil (12) is arranged between the first row of columns (145) and the second row of columns (147);
a boss (1472) is fixed on one side, close to the Rogowski coil (12), of the second row of columns (147);
the boss (1472) penetrates through the annular part on the Rogowski coil (12) and is in mutual contact with the first row of columns (145);
a plurality of second openings (1452) corresponding to each other are formed in the bottom walls of the first row of columns (145) and the second row of columns (147) in a transverse row;
the fixing device (14) further comprises a first sheet plate (141), a second sheet plate (143), a first cover plate (148) and a second cover plate (149); the first sheet (141) is positioned between the Rogowski coil (12) and the first row of columns (145); the second sheet (143) is located between the Rogowski coil (12) and the second row of columns (147); the first cover plate (148) is fixed on the first sheet (141), and the second cover plate (149) is fixed on the second sheet (143); one side of the first cover plate (148) close to the first row of columns (145) and one side of the second cover plate (149) close to the second row of columns (147) are provided with second grooves (1482) with the same vertical cross section as the first row of columns (145); the first row of columns (145) are clamped between the first sheet plate (141) and a second groove (1482) in the first cover plate (148); the second row of columns (147) is clamped between the second sheet (143) and a second slot (1482) in the second cover plate (149).
2. A rogowski coil detection mechanism as claimed in claim 1, wherein: the first row of columns (145) and the second row of columns (147) are made of copper.
3. A rogowski coil detection mechanism as claimed in claim 1 or 2, characterised in that: a die cavity (1412) with the same shape as the Rogowski coil (12) is formed in one side of the first sheet plate (141) and the second sheet plate (143) close to the Rogowski coil (12); one sides of the first sheet plate (141) and the second sheet plate (143) far away from the Rogowski coil (12) are provided with first slots (1414) with vertical sections identical to those of the first row of columns (145); the first sheet plate (141) and the second sheet plate (143) are provided with first openings (1413) close to the ring parts of the Rogowski coil (12); the first sheet plate (141) is fixedly connected with the second sheet plate (143), and the Rogowski coil (12) is positioned in a die cavity (1412) formed in the first sheet plate (141) and the second sheet plate (143); the first row of columns (145) are fixed in a first groove (1414) formed in the first sheet plate (141); the second row of columns (147) is fixed in a first groove (1414) formed in the second sheet plate (143); bosses (1472) on the second row of columns (147) sequentially penetrate through the first open holes (1413) on the second sheet plate (143), the Rogowski coil (12), and the first open holes (1413) on the first sheet plate (141) to be fixed with the first row of columns (145).
4. A rogowski coil detection mechanism as claimed in claim 3, wherein: the first row of columns (145) are clamped between a first slot (1414) in the first sheet (141) and a second slot (1482) in the first cover plate (148); the second row of columns (147) is clamped between a first slot (1414) in the second sheet (143) and a second slot (1482) in the second cover plate (149).
5. The rogowski coil detection mechanism of claim 4, wherein: the height of the first row of columns (145) is less than the height of the first cover plate (148), and the height of the first cover plate (148) is less than the height of the first sheet plate (141); the height of the second row of columns (147) is less than the height of the second cover plate (149), and the height of the second cover plate (149) is less than the height of the second sheet plate (143); the first cover plate (148), the second cover plate (149), the first sheet plate (141) and the second sheet plate (143) are all made of insulating materials.
6. A detecting apparatus using the rogowski coil detecting mechanism of any one of claims 1 to 5, characterized in that: the detection circuit board (2) is also included;
the detection circuit board (2) comprises a substrate (21) and a second conducting layer (24);
a plurality of groups of second conductive layers (24) are arranged on the top wall of the substrate (21);
each group of the second conductive layers (24) comprises a first copper layer (242) and a second copper layer (244) which are arranged at intervals in the front-back direction;
a plurality of first banana heads (2422) matched with the second opening holes (1452) are arranged on the first copper layer (242) in a row, and second banana heads (2442) parallel to the first banana heads (2422) are arranged on the second copper layer (244) in a row;
second trompil (1452) seted up on first row of post (145), second row of post (147) bottom wall are inserted correspondingly on first banana head (2422), second banana head (2442).
7. A testing device according to claim 6, wherein: the base plate (21) is rectangular, and a convex plate (212) is integrally formed and fixed on the front wall of the base plate; the detection circuit board (2) further comprises a first conductive layer (22); the front half part of the first conducting layer (22) is positioned on the convex plate (212), and the rear half part is positioned on the substrate (21); the first conductive layer (22) is arranged in parallel with the length direction of the substrate (21); the first conducting layer (22) is fixed on the top wall and the bottom wall of the convex plate (212) and the base plate (21).
8. A testing device according to claim 7, wherein: the detection circuit board (2) further comprises an absorption capacitor (23); a plurality of absorption capacitors (23) are fixed on the top wall and the bottom wall of the substrate (21), the absorption capacitors (23) are positioned behind the first conductive layer (22), and the absorption capacitors (23) on the top wall of the substrate (21) and the absorption capacitors (23) on the bottom wall of the substrate (21) are arranged in a staggered mode; the absorption capacitor (23) is arranged in parallel with the length direction of the substrate (21); the second conducting layer (24) is fixed on the top wall of the substrate (21) and is positioned behind the absorption capacitor (23); the second conductive layer (24) is arranged in parallel to the longitudinal direction of the substrate (21).
9. A testing device according to claim 8, wherein: the detection circuit board (2) further comprises a relay (26); two rows of relays (26) are respectively fixed on two sides of the top wall of the substrate (21), and each row of relays (26) is perpendicular to the length direction of the substrate (21); each row of the relays (26) comprises a plurality of small relays which are vertically connected in parallel; the relay (26) is located behind the absorption capacitor (23), and the second conductive layer (24) is located between the two rows of relays (26).
10. A testing device according to claim 9, wherein: the detection circuit board (2) further comprises a mounting hole (25); a plurality of mounting holes (25) penetrate through the substrate (21), the mounting holes (25) are located behind the second conducting layers (24), and the mounting holes (25) are located between the two rows of relays (26).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055262.6U CN215986167U (en) | 2021-08-27 | 2021-08-27 | Rogowski coil detection mechanism and detection device with same |
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|---|---|---|---|
| CN202122055262.6U CN215986167U (en) | 2021-08-27 | 2021-08-27 | Rogowski coil detection mechanism and detection device with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687123A (en) * | 2021-08-27 | 2021-11-23 | 合肥科威尔电源系统股份有限公司 | Rogowski coil detection mechanism, detection device with Rogowski coil detection mechanism and detection method |
| CN113687123B (en) * | 2021-08-27 | 2024-05-28 | 科威尔技术股份有限公司 | Rogowski coil detection mechanism, detection device with same and detection method |
-
2021
- 2021-08-27 CN CN202122055262.6U patent/CN215986167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687123A (en) * | 2021-08-27 | 2021-11-23 | 合肥科威尔电源系统股份有限公司 | Rogowski coil detection mechanism, detection device with Rogowski coil detection mechanism and detection method |
| CN113687123B (en) * | 2021-08-27 | 2024-05-28 | 科威尔技术股份有限公司 | Rogowski coil detection mechanism, detection device with same and detection method |
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Address after: 230088 No.8 DALONGSHAN Road, hi tech Zone, Hefei City, Anhui Province Patentee after: Cowell Technology Co.,Ltd. Address before: 230088 No.8 DALONGSHAN Road, hi tech Zone, Hefei City, Anhui Province Patentee before: Hefei Kewei Power System Co.,Ltd. |