CN113113791A - Terminal block plug-in wiring system - Google Patents
Terminal block plug-in wiring system Download PDFInfo
- Publication number
- CN113113791A CN113113791A CN202110382775.XA CN202110382775A CN113113791A CN 113113791 A CN113113791 A CN 113113791A CN 202110382775 A CN202110382775 A CN 202110382775A CN 113113791 A CN113113791 A CN 113113791A
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- Prior art keywords
- lead
- terminal
- plug
- terminal block
- wiring system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to the technical field of electric power overhaul, and discloses a terminal strip plug-in wiring system.A lead wire assembly comprises a first lead wire and a second lead wire, wherein a signal terminal is arranged on a terminal strip of equipment to be tested, the first lead wire is connected with the signal terminal, and the second lead wire is connected with a measuring end of measuring equipment; the wiring assembly comprises a first wiring head and a second wiring head, the first wiring head is connected with one end, away from the signal terminal, of the first lead, the second wiring head is connected with one end, away from the measuring equipment, of the second lead, and the first wiring head and the second wiring head can be connected in an inserting mode to connect the measuring equipment with the terminal strip. The invention does not need to be short-circuited again after the stitches are removed, thereby improving the maintenance efficiency. And the operation is simple, the overhaul operation can be completed by one person, the labor is saved, and the overhaul cost is reduced. Meanwhile, the wire end does not need to be pressed manually, so that the safety accident caused by the contact of the maintainer and the electric wire is avoided, and the personal safety of the maintainer is ensured.
Description
Technical Field
The invention relates to the technical field of electric power overhaul, in particular to a terminal strip plug-in wiring system.
Background
The end of a thread generally only is needle type iron material on the existing market, because the end of a thread is great and the unable direct contact of terminal row short connecting piece screw when using, generally adopts following two kinds of schemes, scheme one when carrying out relevant maintenance test and need the wiring: and disassembling the wiring of the terminal block, then carrying out short circuit, and contacting with an alligator clip after the short circuit. Scheme II: an elongated tip end is brought into contact with a terminal block short tab screw, and then a normal end is brought into contact with the elongated end.
However, in the first scheme, secondary wiring needs to be disassembled, secondary side incoming call risks exist during disassembly, and meanwhile, protection misoperation can be caused when a secondary side line is restored after disassembly; scheme two has sharp-end of a thread can't fix on the terminal row, must have someone to be responsible for holding the end of a thread during the maintenance operation, causes the personnel risk of electrocuting easily to need the cooperation of a plurality of people to accomplish the operation, extravagant manpower, it is with high costs to overhaul.
Disclosure of Invention
Based on the above problems, the invention aims to provide a terminal strip plug-in wiring system, which can realize the quick connection between a terminal strip and a measuring device, does not need a maintenance worker to press a connector lug, avoids the risk of electric shock, ensures the safety of the maintenance worker, can finish maintenance operation by one person, and saves manpower.
In order to achieve the purpose, the invention adopts the following technical scheme:
a terminal block pluggable wiring system comprising:
the lead assembly comprises a first lead and a second lead, a signal terminal is arranged on a terminal row of the equipment to be measured, the first lead is connected with the signal terminal, and the second lead is connected with a measuring end of the measuring equipment;
the wiring assembly comprises a first wiring head and a second wiring head, the first wiring head is connected with one end of the signal terminal, the second wiring head is connected with one end of the measuring equipment, the second wiring head is connected with the second lead, the first wiring head and the second wiring head can be connected in an inserting mode, and the measuring equipment is connected with the terminal row.
As a preferable scheme of the terminal block plug-in wiring system of the present invention, adapters are disposed on both the first lead and the second lead, the adapter of the first lead is connected to the first connector lug, and the adapter of the second lead is connected to the second connector lug.
As a preferable scheme of the terminal strip plug-in wiring system of the present invention, the adapter includes a handheld portion and a plug, the handheld portion is connected to the plug, the first lead and the second lead both penetrate through the handheld portion and are connected to the plug, and plug holes are formed in bottoms of the first connector and the second connector, and the plug is inserted into the plug holes.
As a preferable aspect of the terminal block plug-in type wiring system of the present invention, the hand-held portion is made of an insulating material, and the plug is made of a conductive material.
As a preferable scheme of the terminal strip plug-in type wiring system of the present invention, the first terminal is provided with an insertion groove, the second terminal is provided with an insertion projection, and the insertion projection is clamped in the insertion groove.
As a preferable scheme of the terminal strip plug-in type wiring system, a telescopic locking member is arranged on the inner side wall of the insertion groove, a clamping groove is correspondingly arranged on the side wall of the insertion protrusion, and the locking member can be clamped into the clamping groove.
As a preferable scheme of the terminal strip plug-in type wiring system of the present invention, an accommodating cavity is provided on an inner side wall of the insertion groove, and the locking member is slidably disposed in the accommodating cavity.
As a preferred embodiment of the terminal strip plug-in wiring system of the present invention, an elastic reset member is disposed in the accommodating cavity, one end of the elastic reset member is connected to an inner wall of the accommodating cavity, the other end of the elastic reset member is connected to the locking member, a guide surface is disposed on the locking member, and the insertion protrusion can push the locking member through the guide surface to compress the elastic reset member.
As a preferable scheme of the terminal block plug-in type wiring system of the present invention, the first lead and the second lead each include a plurality of leads, the signal terminal includes a plurality of leads, a wire is connected between each primary signal terminal and each secondary signal terminal of the terminal block, and each first lead is correspondingly connected in parallel with one wire.
As a preferable aspect of the terminal block plug-in type wiring system of the present invention, an insulating protective layer is provided outside each of the first and second terminal fittings.
The invention has the beneficial effects that:
when the terminal strip plug-in type wiring system provided by the invention is used for maintenance operation, only a first lead is connected in parallel on a wire between two signal terminals of a terminal strip of equipment to be tested, a first connector lug is arranged on the first lead, a second lead is connected on measuring equipment, a second connector lug is arranged on the second lead, and the first connector lug and the second connector lug are plugged to realize the connection of the measuring equipment and the terminal strip so as to carry out normal maintenance operation. After the overhaul is completed, the second connector lug is pulled out from the first connector lug, and then the first lead and the second lead are detached, so that the second connector lug is not needed to be short-circuited again after the disconnection, and the overhaul efficiency is improved. Compared with the method for connecting the terminal strip in the prior art, the terminal strip plug-in wiring system provided by the invention is simple to operate and convenient to use, can finish maintenance operation by one person, saves manpower and reduces maintenance cost. Meanwhile, the wire end does not need to be pressed manually, so that the safety accident caused by the contact of the maintainer and the electric wire is avoided, and the personal safety of the maintainer is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a terminal block plug-in wiring system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first connector lug and an adapter of a terminal block plug-in wiring system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second connector lug and an adapter of the terminal block plug-in wiring system according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first connector lug and a second connector lug of a terminal block plug-in type wiring system according to an embodiment of the present invention.
In the figure:
1-a lead assembly; 2-a wiring assembly; 3-an adapter;
11-a first lead; 12-a second lead;
21-a first connector lug; 22-a second terminal;
211-a plug groove; 212-a plug hole; 213-a locking member; 214-a receiving cavity; 215-a resilient return member; 221-inserting projection;
31-a hand-held portion; 32-a plug-in connector;
100-terminal row; 101-signal terminals; 102-a conductive line; 200-measuring device.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
As shown in fig. 1 to 4, the present embodiment provides a terminal strip plug-in wiring system, which can realize quick connection between a terminal strip 100 of a device to be tested and a measurement device 200, and includes a lead assembly 1 and a wiring assembly 2.
The lead assembly 1 comprises a first lead 11 and a second lead 12, a signal terminal 101 is arranged on a terminal row 100 of the device to be measured, the first lead 11 is connected with the signal terminal 101, and the second lead 12 is connected with a measuring end of the measuring device 200; the terminal assembly 2 comprises a first terminal 21 and a second terminal 22, the first terminal 21 being connected to the end of the first lead 11 remote from the signal terminals 101, the second terminal 22 being connected to the end of the second lead 12 remote from the measuring device 200, the first terminal 21 and the second terminal 22 being able to be plugged together in order to connect the measuring device 200 to the terminal block 100.
When the terminal strip plug-in wiring system provided by this embodiment is used for maintenance operation, only the first lead 11 needs to be connected in parallel to the wire 102 between the two signal terminals 101 of the terminal strip 100 of the device to be tested, the first connector lug 21 is installed on the first lead 11, the second lead 12 is connected to the measuring device 200, the second connector lug 22 is installed on the second lead 12, the first connector lug 21 and the second connector lug 22 are plugged, so that the connection between the measuring device 200 and the terminal strip 100 can be realized, and normal maintenance operation is performed. After the overhaul is finished, the second connector lug 22 is pulled out from the first connector lug 21, and then the first lead 11 and the second lead 12 are detached, so that short circuit is avoided after disconnection, and the overhaul efficiency is improved. Compare in prior art connection terminal row 100's method, the terminal row plug-in wiring system that this embodiment provided, easy operation, convenient to use can accomplish alone and overhaul the operation, uses manpower sparingly, reduces the cost of overhaul. Meanwhile, the wire end does not need to be pressed manually, so that the safety accident caused by the contact of the maintainer and the electric wire is avoided, and the personal safety of the maintainer is ensured.
Optionally, the exterior of the first and second terminals 21 and 22 are each provided with an insulating protective layer. Preferably, the outer surfaces of the first connector lug 21 and the second connector lug 22 are coated with insulating paint, so that electric shock of a maintainer in a wiring process is prevented, and the safe operation of maintenance is ensured. In other embodiments, a rubber insulating sleeve may be wrapped outside the first connector lug 21 and the second connector lug 22, as long as the insulating protection function is achieved.
Preferably, the first terminal 21 and the second terminal 22 of the present embodiment are rectangular. In other embodiments, the first terminal 21 and the second terminal 22 may be an ellipsoid or the like, and the shape of the first terminal 21 and the second terminal 22 is not limited herein.
As shown in fig. 2 and fig. 3, optionally, the first lead 11 and the second lead 12 are both provided with the adapter 3, the adapter 3 of the first lead 11 is connected to the first connector lug 21, and the adapter 3 of the second lead 12 is connected to the second connector lug 22. Specifically, the adapter 3 includes a handheld portion 31 and a plug 32 connected to each other, the first lead 11 and the second lead 12 both penetrate through the handheld portion 31 and are connected to the plug 32, insertion holes 212 are provided at the bottoms of the first connector lug 21 and the second connector lug 22, and the plug 32 is inserted into the insertion holes 212. When the first connector lug 21 and the second connector lug 22 are installed, the hand-held part 31 is held by hand, and the plug connector 32 is correspondingly inserted into the plug holes 212 of the first connector lug 21 and the second connector lug 22, so that the operation is simple, and the connection speed of the first lead 11 and the second lead 12 can be improved.
As shown in fig. 1, optionally, the first connector lug 21 is provided with an insertion groove 211, the second connector lug 22 is provided with an insertion protrusion 221, and the insertion protrusion 221 is clamped in the insertion groove 211. When the first lead 11 and the second lead 12 are connected, the first connector lug 21 is firstly plugged with the adapter 3 of the first lead 11, and then the second connector lug 22 is plugged with the adapter 3 of the second lead 12. Finally, the first connector lug 21 and the second connector lug 22 are plugged to complete the connection of the first lead 11 and the second lead 12, the operation is convenient, and the quick connection of the measuring device 200 and the device terminal strip 100 to be measured can be realized.
As shown in fig. 4, optionally, a retractable locking member 213 is disposed on an inner sidewall of the insertion groove 211, a locking groove is correspondingly disposed on a sidewall of the insertion protrusion 221, and the locking member 213 can be locked into the locking groove. Specifically, the sidewall of the insertion groove 211 is provided with an accommodating cavity 214, and the locking member 213 is slidably disposed in the accommodating cavity 214. Further, hold and be provided with elasticity piece 215 that resets in the chamber 214, elasticity piece 215 that resets's one end and the interior wall connection who holds chamber 214, the other end is connected with retaining member 213, sets up the spigot surface on the retaining member 213, and grafting arch 221 can push retaining member 213 with compression elasticity piece 215 that resets through the spigot surface.
Through set up retaining member 213 on the inner wall at inserting groove 211, set up the draw-in groove on the grafting arch 221, can be in the same place first connector lug 21 is fixed with second connector lug 22, prevent the disconnection of pine after first connector lug 21 and the grafting of second connector lug 22, guarantee that first connector lug 21 pegs graft firmly with second connector lug 22, the contact is good. An accommodating cavity 214 is formed in the inner side wall of the insertion groove 211, and an elastic reset piece 215 is arranged in the accommodating cavity 214, so that the locking piece 213 can compress the elastic reset piece 215 under the pressing action of the insertion protrusion 221, and the locking piece 213 can slide in the accommodating cavity 214. When the locking member 213 is not pressed by the inserting protrusion 221, the locking member 213 can extend out of the receiving cavity 214 under the elastic force of the elastic restoring member 215 to be clamped into the slot. The guiding surface is provided on the locking member 213 to ensure that the insertion protrusion 221 can apply a pushing force to the locking member 213 while being inserted into the insertion groove 211, so that the locking member 213 can compress the elastic restoring member 215 and slide in the receiving cavity 214. In this embodiment, the elastic restoring member 215 is a restoring spring, and the locking member 213 is preferably a ball-shaped ball, and accordingly, the catching groove is a spherical groove.
As shown in fig. 1, optionally, each of the first lead 11 and the second lead 12 includes a plurality of leads, the signal terminal 101 includes a plurality of leads, one conductive wire 102 is connected between each of the primary signal terminal 101 and the secondary signal terminal 101 of the terminal row 100, and each of the first leads 11 is correspondingly connected in parallel with one conductive wire 102. After the first lead 11 is connected in parallel to the lead 102 of the terminal block 100, the lead 102 of the terminal block 100 does not need to be disassembled, so that the problem of protection misoperation caused by disassembling the lead 102 by maintainers is solved, and the electric shock hazard can be avoided.
In the terminal strip plug-in wiring system provided by this embodiment, when performing an overhaul operation, first, the first lead 11 is connected in parallel with the lead 102 between the two signal terminals 101 of the terminal strip 100 of the device under test, and then the adapter 3 at the end of the first lead 11 is plugged into the first connector lug 21. Likewise, the adapter 3 at the end of the second lead 12 on the measuring device 200 is plugged into the second connector lug 22. Then, the plugging projection 221 of the second connector lug 22 is inserted into the plugging groove 211 of the first connector lug 21, and the locking member 213 in the plugging groove 211 is clamped into the clamping groove of the plugging projection 221, so that the connection of the measuring device 200 and the terminal block 100 is completed. And finally, carrying out maintenance operation according to the maintenance requirement. After the maintenance is completed, the inserting projection 221 of the second connector lug 22 is pulled out from the inserting groove 211 of the first connector lug 21, and then the first lead 11 and the second lead 12 are removed.
Example two
As shown in fig. 1 to 4, the present embodiment provides a terminal block plug-in wiring system, wherein the same or corresponding components as or to the first embodiment are denoted by the same reference numerals as the first embodiment. For the sake of simplicity, only the difference between the second embodiment and the first embodiment is described, in which the handheld portion 31 is made of an insulating material and the plug 32 is made of a conductive material. Preferably, the hand-held portion 31 is made of hard plastic, and the hand-held portion 31 and the plug 32 are integrally injection molded. In other embodiments, the rubber material may be used to process the handle 31, as long as it can perform an insulating function to protect the safety of the maintenance personnel.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A terminal block pluggable wiring system, comprising:
the lead assembly (1) comprises a first lead (11) and a second lead (12), a signal terminal (101) is arranged on a terminal row (100) of equipment to be measured, the first lead (11) is connected with the signal terminal (101), and the second lead (12) is connected with a measuring end of measuring equipment (200);
termination assembly (2) comprising a first termination (21) and a second termination (22), the first termination (21) being connected with the end of the first lead (11) remote from the signal terminal (101), the second termination (22) being connected with the end of the second lead (12) remote from the measuring device (200), the first termination (21) and the second termination (22) being able to be plugged in order to connect the measuring device (200) with the terminal block (100).
2. The terminal block plug-in connection system according to claim 1, characterized in that a connection adapter (3) is arranged on each of the first lead (11) and the second lead (12), the connection adapter (3) of the first lead (11) is connected to the first terminal (21), and the connection adapter (3) of the second lead (12) is connected to the second terminal (22).
3. The terminal block plug-in wiring system according to claim 2, wherein the adapter (3) comprises a handheld portion (31) and a plug connector (32) which are connected, the first lead (11) and the second lead (12) both penetrate through the handheld portion (31) and are connected with the plug connector (32), plug holes (212) are formed in the bottoms of the first connector block (21) and the second connector block (22), and the plug connector (32) is inserted into the plug holes (212).
4. Terminal block plug-in connection system according to claim 3, characterized in that the hand-held part (31) is made of an insulating material and the plug-in connector (32) is made of an electrically conductive material.
5. The plug-in connection system of a terminal block according to claim 1, wherein a plug-in groove (211) is provided on the first terminal (21), a plug-in projection (221) is provided on the second terminal (22), and the plug-in projection (221) is clamped in the plug-in groove (211).
6. The terminal block pluggable wiring system as claimed in claim 5, wherein a retractable locking member (213) is disposed on an inner side wall of the insertion groove (211), a slot is correspondingly disposed on a side wall of the insertion protrusion (221), and the locking member (213) can be snapped into the slot.
7. The terminal block plug-in connection system according to claim 6, wherein an accommodating cavity (214) is formed in an inner side wall of the insertion groove (211), and the locking member (213) is slidably disposed in the accommodating cavity (214).
8. The terminal block pluggable wiring system according to claim 7, wherein an elastic reset member (215) is disposed in the accommodating cavity (214), one end of the elastic reset member (215) is connected to an inner wall of the accommodating cavity (214), the other end of the elastic reset member is connected to the locking member (213), a guide surface is disposed on the locking member (213), and the plugging protrusion (221) can push the locking member (213) through the guide surface to compress the elastic reset member (215).
9. The terminal block pluggable wiring system according to claim 1, wherein the first lead (11) and the second lead (12) each comprise a plurality of wires, the signal terminals (101) comprise a plurality of wires, one wire (102) is connected between each primary signal terminal (101) and each secondary signal terminal (101) of the terminal block (100), and each first lead (11) is correspondingly connected with one wire (102) in parallel.
10. Terminal block plug-in wiring system according to any one of claims 1 to 9, characterised in that the first and second terminal lug (21, 22) are each provided on their outside with an insulating protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382775.XA CN113113791A (en) | 2021-04-09 | 2021-04-09 | Terminal block plug-in wiring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382775.XA CN113113791A (en) | 2021-04-09 | 2021-04-09 | Terminal block plug-in wiring system |
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| CN113113791A true CN113113791A (en) | 2021-07-13 |
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| CN202110382775.XA Pending CN113113791A (en) | 2021-04-09 | 2021-04-09 | Terminal block plug-in wiring system |
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