CN210720479U - Current terminal structure - Google Patents
Current terminal structure Download PDFInfo
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- CN210720479U CN210720479U CN201921101784.1U CN201921101784U CN210720479U CN 210720479 U CN210720479 U CN 210720479U CN 201921101784 U CN201921101784 U CN 201921101784U CN 210720479 U CN210720479 U CN 210720479U
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- current terminal
- current
- terminal
- screw
- limiting groove
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Abstract
The utility model discloses a current terminal structure in the electric power technical field, including insulating bottom plate and the conductive component who installs on insulating bottom plate, conductive component includes left current terminal and right current terminal, it has the input wiring screw to open on the left current terminal, it has the output wiring screw to open on the right current terminal, open one side that left current terminal set up relative to right current terminal has left spacing groove, open one side that right current terminal set up relative to left current terminal has right spacing groove, open on the left current terminal of left spacing groove downside has fixed screw one, open on the right current terminal of right spacing groove downside has two fixed screw holes two that set up at the interval in the length direction, current terminal connection piece has been placed on left current terminal and the right current terminal, current terminal connection piece can slide between left spacing groove and right spacing groove, open on the current terminal connection piece has two fixed orificial distances d 2's fixed orifices; the structure can realize the on-off of the current loop.
Description
Technical Field
The utility model belongs to the technical field of electric power, in particular to current terminal structure.
Background
With the popularization of the electric connector technology, the traditional electric connector current terminal comprises an insulating base plate and a conductive component arranged on the insulating base plate, the conductive component comprises a left current terminal and a right current terminal, the left current terminal is provided with an input wiring screw hole, the right current terminal is provided with an output wiring screw hole, an input wiring terminal screw is detachably connected with the left current terminal through the input wiring screw hole, an output wiring terminal screw is detachably connected with the right current terminal through the output wiring screw hole, the left current terminal and the right current terminal are electrically connected by reed switching contact, some current connecting reeds are tightened and fixed by double reeds and single screw, when the screw is screwed tightly, the reeds are injured, the current transformer is disconnected in operation, so that a secondary circuit of the current transformer is opened, high voltage is generated, and personnel and equipment are damaged; still some connect the reed behind the disconnection current return circuit, the reed takes off, places outside the current terminal, and is inconvenient when resumeing.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model discloses an overcome the weak point among the above-mentioned prior art, provide a current terminal structure, solved and not have the electric current function of opening circuit among the prior art and lead to recovering inconvenient technical problem, this structure can realize the break-make in electric current return circuit, connects reliably.
The purpose of the utility model is realized like this: a current terminal structure comprises an insulating bottom plate and a conductive assembly arranged on the insulating bottom plate, wherein the conductive assembly comprises a left current terminal and a right current terminal, an input wiring screw hole is formed in the left current terminal, an output wiring screw hole is formed in the right current terminal, an input wiring screw is detachably connected with the left current terminal through the input wiring screw hole by using an input wiring terminal screw, the output wiring terminal screw is detachably connected with the right current terminal through the output wiring screw hole by using an output wiring terminal screw, a left limiting groove is formed in one side, opposite to the right current terminal, of the left current terminal, a right limiting groove is formed in one side, opposite to the left current terminal, of the right current terminal, a first fixing screw hole is formed in the left current terminal on the lower side of the left limiting groove, two second fixing screw holes which are arranged at intervals in the length direction are formed in the right current terminal on the lower side of the right limiting groove, and the interval between the, the center distance of the two fixing screw holes II is d2, the d1 is the same as d2, current terminal connecting pieces are placed on the left current terminal and the right current terminal and can slide between the left limiting groove and the right limiting groove, and two fixing holes with the center distance of d2 are formed in the current terminal connecting pieces.
In the utility model, when the current loop is normally used, one end of the current terminal connecting sheet is placed on the left current terminal corresponding to the left limiting groove, the other end of the current terminal connecting sheet is placed on the right current terminal corresponding to the right limiting groove, the two fixing holes are coaxial with the first fixing screw hole and the second fixing screw hole respectively, the current input connecting screw passes through the fixing hole and is screwed into the first fixing screw hole, the current input connecting screw is screwed, the current output connecting screw passes through the fixing hole and is screwed into the second fixing screw hole, and the current output connecting screw is screwed to enable the current path; when the current loop is withdrawn, opening the current terminal connecting sheet, moving the current terminal connecting sheet to a right current terminal corresponding to the right limiting groove, wherein the two fixing holes are coaxial with the two fixing screw holes respectively, and screwing the current terminal connecting sheet on the right current terminal by using a current input connecting screw and a current output connecting screw to break the current; the utility model realizes the on-off of the current loop and has reliable connection; the method can be applied to the short circuit grounding work of the current loop.
In order to facilitate the test of the current loop, the left current terminal and the right current terminal are connected with spring pieces, and test jacks are formed in the spring pieces.
In order to facilitate the positioning of the left current terminal, the upper supporting part is provided with two upper positioning grooves I, one side of the left current terminal facing downwards is provided with two left positioning bulges extending downwards, and the left current terminal is respectively arranged in the two upper positioning grooves I through the two left positioning bulges.
In order to facilitate the positioning of the right current terminal, an upper positioning groove II is further formed in the upper supporting part, two right positioning protrusions extending downwards are arranged on one side, facing downwards, of the right current terminal, and the right current terminal is arranged in the two upper positioning grooves II through the two right positioning protrusions respectively.
In order to conveniently take and place the current terminal connecting sheet, an insulating handle is arranged on the current terminal connecting sheet.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is an explosion structure diagram of the conductive assembly of the present invention.
Fig. 3 is a structural diagram of the middle insulation base plate of the present invention.
Fig. 4 is a top view of the current terminal connecting piece of the present invention.
Fig. 5 is a top view of the middle left current terminal of the present invention.
Fig. 6 is a partially enlarged view of a portion a in fig. 1.
Fig. 7 is a partially enlarged view of fig. 1 at B.
Fig. 8 is a structural diagram of the middle ground terminal of the present invention.
Fig. 9 is a front view of the current terminal connecting piece of the present invention.
The testing device comprises an insulating bottom plate 1, a lower supporting part 101, an upper supporting part 102, a first positioning groove 103, a second positioning groove 104, a conductive assembly 2, a 201 input wiring screw hole, a 202 input wiring terminal screw, a 203 left current terminal, a 204 fixed screw hole I, a 205 current input connecting screw, a 206 current output connecting screw, a 207 grounding screw, a 208 output wiring terminal screw, a 209 output wiring screw hole, a 210 right current electron, a 211 fixed screw hole II, a 212 right limiting groove, a 213 left limiting groove, a 214 insulating handle, a 215 upper grounding screw hole, a 216 current terminal connecting sheet, a 217 output wiring terminal screw, a 218 fixing hole, a 219 testing jack, a 220 left positioning bulge, a 221 right positioning bulge, a 3 grounding terminal and a 301 lower grounding screw hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 9, a current terminal structure comprises an insulating base plate 1 and a conductive assembly 2 mounted on the insulating base plate 1, wherein the conductive assembly 2 comprises a left current terminal 203 and a right current terminal 210, the left current terminal 203 is provided with an input wiring screw hole 201, the right current terminal 210 is provided with an output wiring screw hole 209, the input wiring terminal screw 202 is detachably connected with the left current terminal 203 through the input wiring screw hole 201, the output wiring terminal screw 217208 is detachably connected with the right current terminal 210 through the output wiring screw hole 209, one side of the left current terminal 203 opposite to the right current terminal 210 is provided with a left limiting groove 213, one side of the right current terminal 210 opposite to the left current terminal 203 is provided with a right limiting groove 212, the left current terminal 203 at the lower side of the left limiting groove 213 is provided with a first fixing screw hole 204, the right current terminal 210 at the lower side of the right limiting groove 212 is provided with two fixing screw holes 211 spaced in the length direction, the distance between the first fixing screw hole 204 and the second fixing screw hole 211 abutting against the first fixing screw hole 204 is d1, the center distance between the two second fixing screw holes 211 is d2, d1 is the same as d2, the left current terminal 203 and the right current terminal 210 are provided with current terminal connecting sheets 216, the current terminal connecting sheets 216 are provided with insulating handles 214, the current terminal connecting sheets 216 can slide between the left limiting groove 213 and the right limiting groove 212, and the current terminal connecting sheets 216 are provided with two fixing holes 218 with the center distance of d 2; spring pieces are connected to the left current terminal 203 and the right current terminal 210, and test jacks 219 are formed in the spring pieces.
In order to facilitate the positioning of the left current terminal 203 and the right current terminal 210, the upper supporting part 102 is provided with two upper positioning grooves one 103, one downward side of the left current terminal 203 is provided with two left positioning protrusions 220 extending downward, and the left current terminal 203 is respectively arranged in the two upper positioning grooves one 103 through the two left positioning protrusions 220; the upper supporting portion 102 is further provided with a second upper positioning groove 104, the downward side of the right current terminal 210 is provided with two right positioning protrusions 221 extending downward, and the right current terminal 210 is respectively arranged in the two second upper positioning grooves 104 through the two right positioning protrusions 221.
In the utility model, the current input line is screwed into the input wiring screw hole 201 through the input wiring terminal screw 202 to be connected with the left current terminal 203, and the current output line is screwed into the output wiring screw hole 209 through the output wiring terminal screw 208 to be connected with the right current terminal 210; the grounding terminal 3 can be arranged between the upper supporting part 102 and the lower supporting part 101, the grounding terminal 3 is grounded, two lower grounding threaded holes 301 can be formed in the grounding terminal 3, the two lower grounding threaded holes 301 are coaxial with the two upper grounding threaded holes 215 respectively, in the practical application of a current loop, the four current terminals of the utility model are arranged into a group, are used for current transformer secondary A, B, C and N phase respectively, and are grounded through a grounding wire after the four grounding terminals 3 are short-circuited; when the current loop is normally used, one end of a current terminal connecting sheet 216 is placed on a left current terminal 203 corresponding to the left limiting groove 213, the other end of the current terminal connecting sheet 216 is placed on a right current terminal 210 corresponding to the right limiting groove 212, the two fixing holes 218 are coaxial with the first fixing screw hole 204 and the second fixing screw hole 211 respectively, a current input connecting screw 205 is screwed into the first fixing screw hole 204 through the fixing hole 218, the current input connecting screw 205 is screwed, a current output connecting screw 206 is screwed into the second fixing screw hole 211 through the fixing hole 218, and the current output connecting screw 206 is screwed to enable current to pass; when the current loop is withdrawn, the left current terminal 203 and the right current terminal 210 need to be grounded, the grounding screw 207 is used for being inserted from the test jack 219, one grounding screw 207 is used for being screwed into the upper grounding threaded hole 215 of the left current terminal 203 and the lower grounding threaded hole 301 of the grounding terminal 3 in sequence, after the left current terminal 203 is grounded, the current terminal connecting sheet 216 is opened, the current terminal connecting sheet 216 is moved to the right current terminal 210 corresponding to the right limiting groove 212, the two fixing holes 218 are coaxial with the two fixing threaded holes 211 respectively, and the current connecting sheet 216 is screwed on the right current terminal 210 by using the current input connecting screw 205 and the current output connecting screw 206 so as to break the current; when the current terminal exits from the secondary load at the load side (the right current terminal 210 is the load side, i.e., the output side), in order to prevent the secondary open circuit of the current loop from generating high voltage, another grounding screw 207 is inserted into the test jack 219 of the right current terminal 210, the grounding screw 207 passes through the test jack 219 and then is screwed into the upper grounding threaded hole 215 of the right current terminal 210 and the lower grounding threaded hole 301 of the grounding terminal 3 in sequence, the right current terminal 210 and the grounding terminal 3 are connected and screwed, and then the right current terminal 210 is detached to output a secondary current line; when the current transformer stops running, the current terminal connecting sheet 216 is opened, the left side test jack 219 can be used for test wiring of the current transformer, the right side test jack 219 can be used for test wiring of load equipment, a load secondary line does not need to be dismounted, equipment misoperation caused by wiring errors is avoided, a current element can be temporarily added between the two test jacks 219 during running of the current transformer, a current loop secondary line does not need to be dismounted (the current element is connected in series and then is pulled out of the current terminal connecting sheet 216), and safety is improved; the utility model has convenient current on-off and reliable connection; the circuit can be applied to the work of switching on and switching off a current loop.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (5)
1. The utility model provides a current terminal structure, includes insulating bottom plate and installs the conductive component on insulating bottom plate, conductive component includes left current terminal and right current terminal, and it has the input wiring screw to open on the left current terminal, and it has the output wiring screw to open on the right current terminal, uses the input wiring terminal screw to be connected with left current terminal detachably through the input wiring screw, uses the output wiring terminal screw to be connected its characterized in that with right current terminal detachably through the output wiring screw: the left current terminal is provided with a left limiting groove at one side opposite to the right current terminal, the right current terminal is provided with a right limiting groove at one side opposite to the left current terminal, a first fixing screw hole is formed in the left current terminal at the lower side of the left limiting groove, a second fixing screw hole is formed in the right current terminal at the lower side of the right limiting groove at intervals in the length direction, the distance between the first fixing screw hole and the second fixing screw hole close to the first fixing screw hole is d1, the center distance between the two fixing screw holes is d2, d1 is the same as d2, current connecting sheet terminals are placed on the left current terminal and the right current terminal, the current connecting sheet can slide between the left limiting groove and the right limiting groove, and two fixing holes with the center distance of d2 are formed in the current connecting sheet.
2. A current terminal structure according to claim 1, wherein: and the left current terminal and the right current terminal are connected with spring pieces, and the spring pieces are provided with test jacks.
3. A current terminal structure according to claim 1, wherein: the insulation bottom plate is provided with an upper supporting part, the upper supporting part is provided with two upper positioning grooves I, one side of the left current terminal facing downwards is provided with two left positioning bulges extending downwards, and the left current terminal is arranged in the two upper positioning grooves I through the two left positioning bulges.
4. A current terminal structure according to claim 3, wherein: the upper supporting part is further provided with a second upper positioning groove, one side of the right current terminal facing downwards is provided with two right positioning bulges extending downwards, and the right current terminal is respectively arranged in the second upper positioning grooves through the two right positioning bulges.
5. A current terminal structure according to claim 1, wherein: and an insulating handle is arranged on the current terminal connecting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101784.1U CN210720479U (en) | 2019-07-15 | 2019-07-15 | Current terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101784.1U CN210720479U (en) | 2019-07-15 | 2019-07-15 | Current terminal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210720479U true CN210720479U (en) | 2020-06-09 |
Family
ID=70966244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921101784.1U Active CN210720479U (en) | 2019-07-15 | 2019-07-15 | Current terminal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210720479U (en) |
-
2019
- 2019-07-15 CN CN201921101784.1U patent/CN210720479U/en active Active
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