CN210326200U - Low-voltage distribution network portable termination - Google Patents

Abstract

The utility model discloses a portable wiring device for a low-voltage distribution network, which comprises an insulating base, a cover body and a metal connector; the cover body and the insulating base are connected to form a combined body, the metal connector is arranged in the combined body, and the power supply side lead penetrates through the insulating base and is electrically connected with the load side lead through the metal connector. The utility model overcomes because of traditional mode of connection operating procedure is numerous and diverse, cause the drawback that staff work efficiency is low, reduced the damage that traditional mode of connection caused to the low pressure wire is insulating to the time that the user has a power failure has further been shortened.

Description

Low-voltage distribution network portable termination

Technical Field

The utility model relates to a power system termination's technical field, more specifically relates to a low voltage distribution network portable termination.

Background

In consideration of safety and economy, power lines of a low-voltage distribution network all adopt insulated wires wrapped by insulating covers, but in normal operation or maintenance periods of the low-voltage distribution network at ordinary times, the insulated wires in different places of the distribution lines need to be connected or disconnected for many times on many occasions.

For example, when the three-phase load of the low-voltage distribution network is unbalanced, in order to not affect the normal power consumption of a user, a power grid worker needs to perform phase modulation processing on the original three-phase load, a main switch of a distribution station area needs to be disconnected before phase modulation, the user needs to have a power failure, a connection port at the T-shaped connection position of an overload phase line of the original low-voltage power line needs to be stripped during phase modulation, the phase line with a lower load is selected to be reconnected, the time of the worker is consumed, and the time of the power failure of the user is indirectly caused; when power failure maintenance is carried out, the insulating wire skin of the insulated wire needs to be stripped, then the grounding wire is arranged, the grounding wire is dismantled after maintenance is finished, and then the grounding wire is wrapped back to the insulating opening through the insulating tape; when the distribution station has a power failure, in order to improve the power consumption quality of users, a temporary power generation vehicle needs to be connected into the low-voltage distribution network, and the temporary power generation vehicle needs to be connected into the low-voltage distribution network by stripping an insulating wire skin of an insulating wire or untying a wire lug of a low-voltage switch outlet of the station.

The insulation of the low-voltage wire is damaged to a certain extent under the above conditions, and the stability of the circuit is poor due to repeated connection and disconnection of the wire, so that the circuit is easy to power off and has potential safety hazards; in addition, because the operation steps of the connection are various, a large amount of time is consumed for workers, and the results of low working efficiency of the workers and long power failure time of users are also caused.

SUMMERY OF THE UTILITY MODEL

For avoiding above-mentioned traditional mode of connection to cause the phenomenon of damage to low pressure wire insulation to take place, and for overcoming because the operating procedure of traditional mode of connection is numerous, cause the drawback that staff work efficiency is low, the utility model provides a portable termination of low voltage distribution network to the time that the user has a power failure has further been shortened.

The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least.

In order to achieve the above technical effects, the technical scheme of the utility model as follows:

a portable wiring device for a low-voltage distribution network comprises an insulating base, a cover body and a metal connector; the lid is connected with insulating base and becomes a combination, metal connector sets up in the inside of combination, and power side wire penetrates insulating base to load side wire is connected through metal connector electricity, accomplishes the wiring of power side and load side in the low-voltage distribution lines, and the wiring that changes power side or load side only needs to be realized through the regulation to metal connector, avoids peeling off the insulating skin waste time of wire, and is convenient high-efficient.

Preferably, the device is further provided with a plurality of fixing clamps arranged on the back face of the insulating base, the fixing clamps and the insulating base are integrally formed, and the insulating base is fixed on the power supply side lead through the fixing clamps.

Preferably, a plurality of power supply wiring grooves are uniformly formed in one end of the front face of the insulating base, and a load wiring groove which is coaxial with the power supply wiring grooves is formed in the other end of the insulating base.

Preferably, the metal connectors are uniformly arranged along the perpendicular bisector direction of the bottom edge of the front surface of the insulating base.

Preferably, the metal connector comprises a bolt, a connecting sheet and a lug, the connecting sheet is flat, two connecting holes are symmetrically arranged on two sides of a longitudinal central axis of the connecting sheet and comprise a power supply wiring connecting hole and a load wiring connecting hole, and a power supply wiring bolt hole matched with the power supply wiring connecting hole and a load wiring bolt hole matched with the load wiring connecting hole are uniformly arranged along the direction of a perpendicular bisector on the bottom edge of the front surface of the insulating base; the device is characterized in that the lug comprises a power lug and a load lug, the number of the lugs is the same as that of the connecting holes, two ends of the connecting sheet are respectively provided with a bent groove convenient for the lug to be attached, a bolt sequentially penetrates through one end of the power lug, the power wiring connecting hole and the power wiring bolt hole to fix one end of the connecting sheet on the insulating base, and sequentially penetrates through one end of the load lug, the load wiring connecting hole and the load wiring bolt hole to fix the other end of the connecting sheet on the insulating base The connecting sheet and the load lug are electrically connected with the load side wire, and in the process of disconnecting and rewiring, a worker can loosen the connection between the lug and the connecting sheet by only unscrewing the bolt, operate a certain specific phase wire without stripping the insulating skin of the wire and then recoiling the insulating opening, so that the time of the worker is saved, the operation is simplified, and the power failure time of a user is also reduced.

Preferably, the cover body is provided with a mounting hole for a bolt to pass through and a plug body for water prevention; the bolt passes through the mounting hole and is fixed in the lid on the insulating base, the diameter of cock body is the same with the diameter of mounting hole, and when preventing sleet weather, inside water smoke passed through the mounting hole entering device, can avoid the emergence of electric power accident.

Preferably, the number of the contact wire clamps is the same as that of the fixing clamps, the power supply wiring grooves, the metal connectors and the load wiring grooves, and the plurality of fixing clamps comprise a first fixing clamp, a second fixing clamp, a third fixing clamp and a fourth fixing clamp which are sequentially arranged from top to bottom along the back surface of the insulating base; the plurality of power wiring grooves comprise a first load wiring groove, a second load wiring groove, a third load wiring groove and a fourth load wiring groove which are sequentially arranged from top to bottom along the front end of the insulating base, and the plurality of load wiring grooves comprise a first load wiring groove, a second load wiring groove, a third load wiring groove and a fourth load wiring groove which are sequentially arranged from top to bottom along the front end of the insulating base. The metal connector comprises a first metal connector, a second metal connector, a third metal connector and a fourth metal connector which are sequentially arranged from top to bottom.

The first fixing clamp is used for fixing a power supply side A-phase wire, and the power supply side A-phase wire is used as an electric transfer port of the first fixing clamp through a first contact wire clamp, is led into a wiring device, passes through the first power supply wiring groove and is connected to one end of a first metal connector power supply lug; the second fixing clamp is used for fixing a power side B-phase wire, the power side B-phase wire is used as an electric transfer port of the second contact wire clamp, the wiring device is introduced and penetrates through the second power wiring groove to be connected into one end of a second metal connector power wire lug, the third fixing clamp is used for fixing a power side C-phase wire, the power side C-phase wire is used as an electric transfer port of the third contact wire clamp, the wiring device is introduced and penetrates through the third power wiring groove to be connected into one end of a third metal connector power wire lug, the fourth fixing clamp is used for fixing a power side zero line, the power side zero line is used as an electric transfer port of the fourth contact wire clamp, the wiring device is introduced and penetrates through the fourth power wiring groove to be connected into one end of a fourth metal connector power wire lug.

A load side lead penetrating through the load wiring groove is connected into one end of the load lug, the load side lead comprises a load side live wire and a load side zero line, and if the load is an A-phase load, the load side live wire can be connected into one end of the load lug of the first metal connector through the first load wiring groove; if the phase B load is detected, the load side live wire is connected to one end of the load lug of the second metal connector through the second load wiring groove; if the load is C-phase load, the load side live wire is connected to one end of a load lug of the third metal connector through the third load wiring groove; and the load side zero wire is connected to one end of the load wire lug of the fourth metal connector through the fourth load wiring groove. The power side lead is electrically connected with the load side lead through the power lug, the connecting sheet and the load lug in sequence.

The power supply side wire is electrically connected with the power supply wire lug in an access mode, the load side wire is electrically connected with the load wire lug in an access mode, the wire lug of the wiring device adopts the conventional wire lug, a through hole which can be directly used for directly facilitating direct insertion of a wire conductor is formed in one end of the conventional wire lug, and the design of a bolt is matched, so that the trouble that the reconnection wire is repeatedly stripped to form an insulation opening due to the change of different power supply phase wires or loads is avoided, the convenience and the rapidness are realized, and the working efficiency of workers is improved.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

(1) the utility model provides a termination with power side joint recess and load side joint wiring recess branch side design, the nimble of the side wiring of being convenient for load is used.

(2) The utility model provides a termination passes through the metal connector electricity with power side wire and load side wire and is connected, and the staff is through dismantling the flexibility of bolt in to the metal connector, can loosen being connected between lug and the connection piece, operates a certain concrete looks wire, and need not to peel off the insulating skin of wire and wraps back the insulating opening again, reduces the insulating damage that causes the low pressure wire, has practiced thrift staff's time, has simplified the operation to user's power off time has also been reduced.

(3) The utility model provides a termination is equipped with the cock body on the casing dismantled, after termination normally inserts low pressure distribution lines, the cock body can prevent during sleet weather, and inside water smoke passed through mounting hole access arrangement, avoided the emergence of electric power accident.

Drawings

Fig. 1 is the utility model provides a portable termination's overall structure perspective.

Fig. 2 is a schematic structural diagram of the metal connector according to the present invention.

Fig. 3 is a schematic structural diagram of the device access before phase modulation in the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the device access after phase modulation in the embodiment of the present invention.

Fig. 5 is the embodiment of the utility model provides an overall structure schematic diagram that the device is applied to and overhauls ground connection.

Fig. 6 is the utility model discloses in the embodiment of the device be applied to the overall structure sketch map who inserts the power generation car.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1-4, the portable wiring device for low-voltage distribution networks includes an insulating base 1, a cover 2, and 4 metal connectors 6 uniformly arranged along the perpendicular bisector direction of the bottom edge of the front surface of the insulating base 1, the cover 2 and the insulating base 1 are connected to form a combined body, the metal connectors 6 are arranged inside the combined body, the device further includes a fixing clamp 3 arranged on the back surface of the insulating base 1, referring to fig. 1, the fixing clamp 3 and the insulating base 1 are integrally formed, so that the wiring device is firmly fixed on the low-voltage three-phase four lines of the power side, the insulating base 1 is fixed on the power side conductor through the fixing clamp 3, both are made of acrylic plate materials, and are insulating and have sufficient mechanical strength. As shown in fig. 1, the power supply side wires include a power supply side a-phase wire 91, a power supply side B-phase wire 92, a power supply side C-phase wire 93 and a power supply side zero wire 94, and the detachable cover 2 is matched with the front surface of the insulating base 1; one end of the front surface of the insulating base 1 is uniformly provided with 4 power supply wiring grooves 4, and the other end is provided with a load wiring groove 5 which is coaxial with the power supply wiring grooves 4; the power supply side wire penetrates through the power supply wiring groove 4, and the load side wire penetrating through the load wiring groove 5 is electrically connected through the metal connector 6, so that wiring of the power supply side and the load side in the low-voltage distribution network is completed, wiring of the power supply side or the load side is changed only by adjusting the metal connector, time waste of insulation skin stripping of the wire is avoided, and convenience and high efficiency are achieved.

Referring to the structural diagram of the metal connector 6 shown in fig. 2, the metal connector 6 includes a bolt 61, a connecting sheet 62 and a lug 63, as shown in fig. 2, the connecting sheet 62 is flat, and two connecting holes 64 are symmetrically disposed on two sides of a longitudinal central axis of the connecting sheet 62, including a power connection connecting hole 641 and a load connection connecting hole 642.

As shown in fig. 3, power connection bolt holes 11 matching with the power connection holes 641 and load connection bolt holes 12 matching with the load connection holes 642 are uniformly provided along the perpendicular bisector direction of the bottom side of the front surface of the insulating base 1. Referring to fig. 2, the lug 63 includes a power lug 631 and a load lug 632, two ends of the connecting piece 62 are respectively provided with a bent slot 621 for facilitating the attachment of the lug 63, the bolt 61 sequentially passes through one end of the power lug 631, the power connection hole 641 and the power connection bolt hole 11 to fix one end of the connecting piece 62 on the insulating base 1, and sequentially passes through one end of the load lug 632, the load connection hole 642 and the load connection bolt hole 12 to fix the other end of the connecting piece 62 on the insulating base 1.

Referring to fig. 1 and 2, the wiring device is further provided with a contact wire clamp 7, the contact wire clamp 7 is used as an electrical transfer port of a power side wire of the low-voltage distribution network, the power side wire is led into the wiring device, the power side a phase wire 91, the power side B phase wire 92, the power side C phase wire 93 and the power side zero line 94 which are fixed by the fixing clamp 3 pass through the contact wire clamp 7 and pass through the power wiring groove 4 to be connected to one end of the power lug 631, the load side wire passing through the load wiring groove 5 is connected to one end of the load lug 632, the power side wire is electrically connected with the load side wire through the power lug 631, the connecting sheet 62 and the load lug 632 in sequence, in the process of disconnecting and reconnecting, a worker only needs to unscrew the bolt 61 to loosen the connection between the lug 63 and the connecting sheet 62 to operate a specific phase wire without stripping an insulating sheath of the wire and then wrapping back an insulating opening again, the time of workers is saved, the operation is simplified, and therefore the power failure time of users is reduced.

As shown in fig. 1, the detachable housing 2 is provided with a mounting hole 21 for allowing a bolt 61 to pass through and a plug body 22 for waterproofing; bolt 61 will dismantle on casing 2 is fixed in insulation base 1 through mounting hole 21, cock body 22 diameter is the same with mounting hole 21 diameter, and after termination normally inserted low voltage distribution network, cock body 22 is filled in the mounting hole 21 that can dismantle the casing, and when preventing sleet weather, inside water smoke passed through mounting hole 21 entering device, avoided the emergence of electric power accident.

Referring to fig. 1 to 4, the number of the fixing clips 3 is the same as the number of the contact clips 7, the power supply wiring grooves 4, the metal connectors 6 and the load wiring grooves 5, and the fixing clips 3 include a first fixing clip 31, a second fixing clip 32, a third fixing clip 33 and a fourth fixing clip 34 which are sequentially arranged from top to bottom; the power supply wiring groove 4 comprises a first power supply wiring groove 41, a second power supply wiring groove 42, a third power supply wiring groove 43 and a fourth power supply wiring groove 44 which are sequentially arranged from top to bottom; the contact wire clamp 7 comprises a first contact wire clamp 71, a second contact wire clamp 72, a third contact wire clamp 73 and a fourth contact wire clamp 74 which are arranged in sequence from top to bottom; the load wiring groove 5 comprises a first load wiring groove 51, a second load wiring groove 52, a third load wiring groove 53 and a fourth load wiring groove 54 which are arranged from top to bottom in sequence; the metal connector 6 includes a first metal connector 601, a second metal connector 602, a third metal connector 603, and a fourth metal connector 604 sequentially arranged from top to bottom.

Wherein, the first fixing clip 31 is used for fixing the power side A phase conductor 91, the power side A phase conductor 91 is used as an electric transfer port through the first contact clip 71, a wiring device is introduced, the first contact clip 71 is used as an electric transfer port to be connected to one end of the power wire ear 631 of the first metal connector 601 through the first power wire connecting groove 41, the second fixing clip 32 is used for fixing the power side B phase conductor 92, the power side B phase conductor 92 is used as an electric transfer port through the second contact clip 72 to be connected to the wiring device, the second power wire connecting groove 42 is connected to one end of the power wire ear 631 of the second metal connector 602 through the second power wire connecting groove 42, the third fixing clip 33 is used for fixing the power side C phase conductor 93, the power side C phase conductor 93 is used as an electric transfer port through the third contact clip 73 to be connected to one end of the power wire ear 631 of the third metal connector 603 through the third power wire connecting groove 43, the fourth fixing clip 34 is used for fixing the power side zero wire 94, the power-side neutral wire 94 is then routed through the fourth contact clip 74 as its electrical interface to the wiring device, through the fourth power wiring recess 44 and into one end of the power lug 631 of the fourth metallic connector 604.

A load side conductor passing through the load wiring groove 5 is connected to one end of the load lug 632, the load side conductor comprises a load side live wire 81 and a load side zero wire 82, as shown in fig. 1, the load in fig. 1 is a C-phase load, and the C-phase load side live wire 81 is connected to one end of the load lug 632 of the third metal connector 603 through the third load wiring groove 53; the power-side C-phase conductor 93 is electrically connected to the C-phase load-side live wire 81 through the third load wiring groove 43, the power lug 631 of the third metal connector 603, the connection piece 62, and the load lug 632 in this order.

Above-mentioned power side wire and power lug 631's access, load side wire is the electricity with load lug 632's access and is connected, termination's lug 63 adopts conventional lug, lug 63 one end all exists the through-hole that can directly be convenient for wire conductor disect insertion, and the design of cooperation bolt 61, avoided because the power that different phase lines correspond or the change of load need repeatedly peel off the wire insulating skin, the insulating open-ended trouble of involution again, high convenience and fastness, improve staff's work efficiency, the time that the user has a power failure has been reduced.

Embodiments of the wiring device are further described below in connection with different applications of the wiring device.

1. The wiring device is applied to phase modulation of low-voltage distribution network loads. When the low-voltage distribution network is unbalanced in load, in order not to influence normal power consumption of a user, a power grid worker needs to phase-modulate the original load, a master switch of a distribution station area is disconnected in the traditional mode before phase modulation, the user is powered off, an insulation skin at the position of an overload phase line T of the original low-voltage power line needs to be stripped during phase modulation, then a phase line with lower load is selected for connection again, when the wiring device is applied, as shown in figure 3, a power side A phase conductor 91, a power side B phase conductor 92, a power side C phase conductor 93 and a power side zero line 94 respectively penetrate through a power wiring groove 4 through a contact wire clamp 7 to be connected with one end of a metal connector 6, wherein the other end of a first metal connector 601 in the metal connector 6 is connected with a phase load side, namely, the single-phase load is connected with the A phase power side conductor, the power side A phase conductor 91 is overloaded for a certain period of time, phase modulation processing needs to be carried out on the A-phase load, and the B-phase lead load on the power supply side is not high after detection, as shown in fig. 4, a worker only needs to take down the plug body 22 on the detachable shell 2, unscrew the bolt 61 of the first metal connector 601, pull out the live wire on the A-phase load side, then access the plug body into the through hole of the load wire ear 632 of the second metal connector 602 connected with the B-phase lead 92 on the power supply side, and screw down the bolt 62 of the second metal connector 602, so that the load phase modulation work can be completed.

2. The wiring device is applied to a quick connection ground wire for maintenance. When the low-voltage distribution network is in power failure maintenance, according to the requirements of electric power safety working procedures, a worker needs to hang a temporary grounding wire on a low-voltage wire at the outgoing line position of a distribution station area, at the moment, an insulating skin at one end of the low-voltage wire needs to be stripped, then the temporary grounding wire is installed, and after the maintenance is finished, the grounding wire is dismantled and then the gap is wrapped by insulating adhesive tape. As shown in fig. 5, when the wiring device is applied to power failure maintenance, at the outgoing line position of the platform area, a power side phase a wire 91, a power side phase B wire 92, a power side phase C wire 93 and a power side zero line 94 pass through the first power wiring groove 41, the second power wiring groove 42, the third power wiring groove 43 and the fourth power wiring groove 44 of the power wiring groove 4 from top to bottom in sequence, the head of a complete set of temporary grounding wire 10 passes through the first load wiring groove 51, the second load wiring groove 52, the third load wiring groove 53 and the fourth load wiring groove 54 of the load wiring groove 5 from top to bottom in sequence, and is connected to the through holes of the load wire ears 632 of the metal connector 6 respectively corresponding to each other, and then a worker can change the quick grounding of the maintenance line by tightening the bolt 61, thereby reducing the trouble of peeling the insulating tape and the tape.

3. The wiring device is applied to a quick access power generation vehicle. When a line has a fault and needs to be temporarily powered off, in order to improve the power consumption quality of a user, a low-voltage distribution network generally needs to be connected into a temporary generator car, but the connection of the temporary generator car needs to disconnect a lug of a platform area low-voltage switch outgoing line, then the low-voltage outgoing line is connected with a generator car outgoing line, and the process is relatively complicated, for example, as shown in a schematic diagram of the temporary generator car connected by the wiring device shown in fig. 6, at a platform area outgoing line position, a power side A phase lead 91, a power side B phase lead 92, a power side C phase lead 93 and a power side zero line 94 sequentially pass through a first power supply wiring groove 41, a second power supply wiring groove 42, a third power supply wiring groove 43 and a fourth power supply wiring groove 44 of a power supply wiring groove 4 from top to bottom, and a line head of the temporary generator car sequentially passes through a first load wiring groove 51, a second load wiring groove 52 and a fourth, The third load wiring groove 53 and the fourth load wiring groove 54 are connected to the through holes of the load lugs 632 of the metal connectors 6 respectively corresponding to the third load wiring groove and the fourth load wiring groove, namely, a worker only needs to unscrew the bolt 61 and screws the wire ends of the generator car after sequentially connecting to the load wiring grooves 5, so that the temporary generator car is connected, the power supply speed of the generator car is increased, the power failure time of a user is shortened, and the power utilization quality of the user is improved.

In addition, similar to the above embodiment, the wiring device can also be used for fast access of a low-voltage ring network, and the reliability of a low-voltage distribution network is improved.

The same or similar reference numerals correspond to the same or similar parts;

the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;

it should be understood that the words "front, back, upper, lower, bottom, longitudinal," etc. referring to the above embodiments of the present invention are described based on the drawings of the present invention, which are used for clarity of illustration and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A portable wiring device for a low-voltage distribution network is characterized by comprising an insulating base, a cover body and a metal connector; the cover body and the insulating base are connected to form a combined body, the metal connector is arranged in the combined body, and the power supply side lead penetrates through the insulating base and is electrically connected with the load side lead through the metal connector.

2. The portable wiring device for low-voltage distribution networks of claim 1, further comprising a plurality of fixing clips disposed on the back surface of the insulating base, wherein the fixing clips are integrally formed with the insulating base, and the insulating base is fixed to the power-side wire by the fixing clips.

3. The portable wiring device for the low-voltage distribution network according to claim 2, wherein a plurality of power source wiring grooves are uniformly formed at one end of the front surface of the insulating base, and a load wiring groove is formed at the other end of the front surface of the insulating base and is coaxial with the power source wiring grooves.

4. The portable wiring device for low-voltage distribution networks according to claim 3, wherein the metal connectors are uniformly arranged along the perpendicular direction from the bottom center of the front surface of the insulating base.

5. The portable wiring device for the low-voltage distribution network according to claim 4, wherein the metal connector comprises a bolt, a connecting sheet and a lug, the connecting sheet is flat, two connecting holes are symmetrically formed in two sides of a longitudinal central axis of the connecting sheet and comprise a power supply wiring connecting hole and a load wiring connecting hole, and a power supply wiring bolt hole matched with the power supply wiring connecting hole and a load wiring bolt hole matched with the load wiring connecting hole are uniformly formed in the direction of a perpendicular bisector in the bottom edge of the front surface of the insulating base; the wire lug comprises a power wire lug and a load wire lug, the number of the wire lug is the same as that of the connecting holes, two ends of the connecting sheet are respectively provided with a bent groove convenient for the attachment of the wire lug, a bolt sequentially penetrates through one end of the power wire lug, the power wiring connecting hole and the power wiring bolt hole to fix one end of the connecting sheet on the insulating base, and sequentially penetrates through one end of the load wire lug, the load wiring connecting hole and the load wiring bolt hole to fix the other end of the connecting sheet on the insulating base.

6. The portable wiring device for the low-voltage distribution network according to claim 5, further comprising a contact clip, wherein the power-side wire fixed by the fixing clip is inserted into one end of the power lug through the contact clip and passing through the power wiring groove, the load-side wire passing through the load wiring groove is inserted into one end of the load lug, and the power-side wire is electrically connected to the load-side wire through the power lug, the connecting piece and the load lug in this order.

7. The portable wiring device for the low-voltage distribution network according to claim 5, wherein the cover body is provided with a mounting hole for a bolt to pass through and a plug body for water prevention; the cover body is fixed on the insulating base through the mounting hole by the bolt.

8. The portable wiring device for low voltage distribution networks of claim 7 wherein the diameter of the plug body is the same as the diameter of the mounting hole.

9. The portable wiring device for low-voltage distribution networks of claim 6, wherein the number of the contact clamps is the same as that of the fixing clamps, the power supply wiring grooves, the metal connectors and the load wiring grooves.

10. The portable wiring device for the low-voltage distribution network according to claim 3 or 9, wherein the plurality of fixing clips are sequentially arranged from top to bottom along the back surface of the insulating base; the power supply wiring grooves are sequentially arranged from top to bottom along the front end of the insulating base, and the load wiring grooves are sequentially arranged from top to bottom along the front other end of the insulating base.

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