CN220986430U - Intelligent test junction box for electric power metering - Google Patents
Intelligent test junction box for electric power metering Download PDFInfo
- Publication number
- CN220986430U CN220986430U CN202321291455.4U CN202321291455U CN220986430U CN 220986430 U CN220986430 U CN 220986430U CN 202321291455 U CN202321291455 U CN 202321291455U CN 220986430 U CN220986430 U CN 220986430U
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- main board
- electric power
- shaped
- power metering
- intelligent test
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model relates to the technical field of electric power metering, in particular to an intelligent test junction box for electric power metering, which comprises a main board, wherein a plurality of wiring terminals are arranged on two sides of the main board, each wiring terminal comprises a U-shaped clamp, a nut, a screw rod and an elastic clamp, and the U-shaped clamp is welded on two sides of the main board; the nut is arranged inside the U-shaped card and is clamped with the side face of the U-shaped card; the screw rod is connected with the nut through threads, the first end of the screw rod extends into a space surrounded by the U-shaped clamp and the nut, and the second end of the screw rod is welded with the main board; the elastic clamp is arranged in the U-shaped clamp, is rotationally connected with the end part of the screw rod, adopts a flexible compacting mode to connect the terminal, has convenient installation and operation, good contact performance and small compacting resistance for a long time, is not easy to damage the surface of the wire, is not easy to loosen, and is not easy to fail; the production management flow can be closed loop, the time recording data function in the operation process is provided, the original working state is automatically maintained, and the working time of operators and the historical data record of the operated work items can be traced.
Description
Technical Field
The utility model relates to the technical field of electric power metering, in particular to an intelligent test junction box for electric power metering.
Background
In electronic metering, the currently used wiring device is a straight-through mechanical type, each interface is pressed by two screws in a wiring mode, and the structure is relatively simple.
The traditional joint junction box has the defects that the function switching needs manual operation, such as manually loosening or tightening a screw by using a screwdriver to stir a connecting piece, the time is long, the construction and the installation are inconvenient, the operation time is long, and the construction is inconvenient when the junction box is in or out because the distance between a junction hole and the space is small, so that the operation is inconvenient; when the function is switched, the disconnection and connection of the connecting piece are required to be manually operated, and the safety hidden trouble of fire caused by short circuit and open circuit can be caused by careless loosening or tightening of each screw.
The mode of using two screws to compress tightly the link is long easy not hard up of link screw time, and in the change process of time and temperature, the resistance of terminal can increase and generate heat and lead to the conduction performance to descend and cause the ignition, has the potential safety hazard.
Disclosure of utility model
Aiming at the defects in the prior art, the intelligent test junction box for electric power metering provided by the utility model adopts a flexible compacting mode to connect terminals, is convenient to install and operate, has good contact performance, is not easy to loosen and is not easy to fail.
The utility model provides an intelligent test junction box for electric power metering, which comprises a main board, wherein one side of the main board is provided with a plurality of wiring terminals, and each wiring terminal comprises:
The U-shaped card is arranged on one side of the main board;
the limiting piece is arranged on the inner side of the U-shaped card and is clamped with the side face of the U-shaped card;
The first end of the connecting rod extends into a space surrounded by the U-shaped clamp and the limiting piece, and the second end of the connecting rod is fixedly connected with the main board;
The elastic clamp is arranged in a space surrounded by the U-shaped clamp and the limiting piece, and is rotationally connected with the first end of the connecting rod.
Preferably, the elastic card is arranged in a U shape, the two side faces incline inwards, the side faces of the elastic card are perpendicular to the side faces of the U-shaped card, and arc-shaped grooves are formed in the two ends of the elastic card.
Preferably, the lower end of the connecting rod is provided with a diameter-reducing section, the elastic clamping sleeve is arranged on the diameter-reducing section, and the lower end of the diameter-reducing section is sleeved with a clamping ring.
Preferably, the two sides of the U-shaped clamp are provided with limiting grooves, and the two ends of the limiting piece are respectively provided with limiting protrusions which are clamped with the corresponding limiting grooves.
Preferably, one side of the main board provided with the wiring terminal is provided with a base box, the base box is connected with the main board in a detachable mode, a plurality of accommodating grooves are formed in the base box, a plurality of U-shaped cards are respectively arranged in the corresponding accommodating grooves, a plurality of wiring holes are formed in the base box, and the positions of the wiring holes are matched with the positions of the corresponding U-shaped cards respectively.
Preferably, one side of mainboard that deviates from the U type card is provided with the upper cover, and the upper cover can be dismantled with the mainboard and be connected, the second end of connecting rod extends to one side of mainboard that deviates from the U type card, is provided with the function indication lamp plate on the upper cover, the junction point position of function indication lamp plate matches with the position of corresponding connecting rod second end respectively.
Preferably, a transparent lead sealing cover is arranged on one side, away from the main board, of the upper cover, and the lead sealing cover is detachably connected with the upper cover.
Compared with the prior art, the intelligent test junction box for electric power metering has the beneficial effects that
Fruit tree
1. According to the utility model, the connecting rod is connected with the limiting piece, one end of the connecting rod is connected with the elastic clamp, the elastic clamp is fixed in the U-shaped clamp, when the U-shaped clamp is used, the elastic clamp flexibly compresses the butt line, the contact performance is good, the elastic clamp is not easy to loosen, faults are not easy to occur, no potential safety hazard exists in one functional flow of operation, the safe operation is ensured, the labor intensity is reduced, the construction quality is improved, no product safety accident is ensured, the installation is convenient, and the construction time is shortened.
2. According to the utility model, the accommodating groove is formed in the base box, the U-shaped card is arranged in the corresponding accommodating groove, short circuit caused by connection between adjacent wires is avoided, faults are not easy to occur, and the wiring safety is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a terminal structure according to the present utility model;
Fig. 3 is an exploded view of the terminal of the present utility model.
Reference numerals illustrate:
1. A lead sealing cover; 2. an upper cover; 3. a main board; 4. a base box; 5. a connection terminal; 51. a connecting rod; 52. a limiting piece; 53. an elastic clip; 54. a collar; 55. a U-shaped card; 56. a limit groove; 6. a wiring hole; 7. an accommodating groove.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to fig. 1 to 3, but it should be understood that the scope of the present utility model is not limited by the specific embodiments.
As shown in fig. 1 to 3, the intelligent test junction box for electric power metering provided by the utility model comprises a main board 3, wherein one side of the main board 3 is provided with a plurality of wiring terminals 5, the wiring terminals 5 are PCB wiring terminals, the wiring terminals 5 comprise a U-shaped card 55, a limiting piece 52, a connecting rod 51 and an elastic card 53, and the U-shaped card 55 is fixedly arranged on the main board 3; the limiting piece 52 is arranged on the inner side of the U-shaped card 55 and is clamped with the side face of the U-shaped card 55; the connecting rod 51 is detachably connected with the limiting piece 52, the first end of the connecting rod 51 extends into a space surrounded by the U-shaped clamp 55 and the limiting piece 52, and the second end of the connecting rod 51 is fixedly connected with the main board 3; the elastic card 53 is disposed in a space enclosed by the U-shaped card 55 and the limiting member 52, and the elastic card 53 is rotatably connected with the first end of the connecting rod 51.
Specifically, the limiting member 52 may be a nut, and the connecting rod 51 may be a screw, and the screw is screwed with the nut.
The wiring terminal can not generate heat in the current range of 1A-80A, can be applied to the tail wiring terminal of a plurality of industrial fields such as an electric energy meter, can be widely applied to the electric appliance wiring field or other electric fields, and can be applied to various open (civil switch, industrial and military product switch or wiring terminal) fields.
Further, the elastic card 53 is provided in a U shape, and both sides face inwards incline, the sides of the elastic card 53 are perpendicular to the sides of the U-shaped card, and both ends of the elastic card 53 are provided with arc grooves.
The wiring is limited through the arc-shaped groove, and the elastic clamp 53 flexibly compresses the wiring.
Further, the lower end of the screw is provided with a diameter reducing section, an elastic clamp 53 is sleeved on the diameter reducing section, and a clamping ring 54 is sleeved at the lower end of the diameter reducing section.
Further, the two sides of the U-shaped card 55 are provided with limiting grooves 56, and two ends of the nut are respectively provided with limiting protrusions, and the limiting protrusions are clamped with the corresponding limiting grooves 56.
Further, one side of the main board 3 provided with the wiring terminal 5 is provided with a base box 4, the base box 4 is connected with the main board 3 in a disassembling mode, a plurality of accommodating grooves are formed in the base box 4, a plurality of U-shaped cards 55 are respectively arranged in the corresponding accommodating grooves 7, a plurality of wiring holes 6 are formed in the base box 4, and the positions of the wiring holes 6 are respectively matched with the positions of the corresponding U-shaped cards 55.
The overall dimension of the wiring hole 6 of the base box 4 is 4.4-6mm, and the wiring hole is connected with the position of the wiring terminal 5 of the main board 3, and the terminal is connected with the pin of the magnetic latching relay. The main board and the handset are connected by a data line to communicate and control the main board function to realize operation. The housing wire aperture has a 4.4MM hole outer chamfer of 0.5X45 degrees. The communication interfaces are all provided with dustproof silicon rubber plugs.
The main board 3 is connected with the base box 4 by four special screws, the screws are finished by adopting a cold working process, the torque is related to the access wire diameter or the current, the torque is reasonably used, and the manual or electric selection is realized. The screw adopts a T62 material cold extrusion processing technology to form damping, the design has uniqueness, the decimal point design, the manufacturing technology is complex and difficult, and the duplication is avoided.
Further, one side of the main board 3 deviating from the U-shaped card 55 is provided with an upper cover 2, the upper cover 2 is detachably connected with the main board 3, the second end of the screw rod extends to one side of the main board 3 deviating from the U-shaped card 55, a function indication lamp panel is arranged on the upper cover 2, and connection points of the function indication lamp panel are respectively matched with positions of the second ends of the corresponding screw rods.
The upper cover 2 is engraved with a wiring mark to solve the problem of wrong wiring.
Further, a transparent lead sealing cover 1 is arranged on one side, away from the main board 3, of the upper cover 2, the lead sealing cover 1 is detachably connected , with the upper cover 2, the base box 4 is connected with the upper cover 2 through two screws, and the upper cover 2 is connected with the lead sealing cover 1 through two screws. The joint of the base box 4 and the upper cover 2 is provided with a 0.5mm silicon rubber sealing ring, and the joint of the upper cover 2 and the lead sealing cover 1 is also provided with a silicon rubber sealing ring. The shell materials of the device are PC polymer.
The application method and the principle are as follows:
According to the intelligent test junction box for electric power metering, the U-shaped clamp 55 and the elastic clamp 53 are arranged and connected through the screw rod and the nut, the elastic clamp 53 is limited at the first end of the screw rod in the U-shaped clamp 55, and the elastic clamp 53 is used for flexibly compacting a line, so that the junction box is good in contact performance, not easy to loosen and not easy to cause faults, has no potential safety hazard in the operation of one functional flow, ensures safe operation, reduces labor intensity, improves construction quality and ensures that no product safety accident occurs. The installation is convenient, and the construction time is shortened.
The utility model is applied to the large-power electric energy metering three-phase four-wire and three-phase three-wire, the product has the greatest advantages of good intrinsic safety performance, 100 tens of thousands of times of operation reliability, good on-off times of contact current, extremely high reliability (current test is up to 80A/1H) of the design of the wiring terminal for the product, 20 minutes for the former work flow, and the function flow can be completed only by 10 mS.
The wiring device can close the loop production management flow, and one operation function flow has an operation time recording function and can provide operation basis. The original working state is automatically maintained. The operator's working time and which work item record is operated can be traced (an electronic record can hold 20). The use effect is good.
The utility model has the function of preventing electricity theft, the electric energy experiment test changes the meter, the meter is calibrated, the current open circuit in the working process is avoided, and the safety accident caused by the voltage contact is avoided. Low carbon, environmental protection, no pollution, recoverability, no energy consumption during normal operation and light weight
The foregoing disclosure is merely illustrative of preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any variations within the scope of the present utility model will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides an electric power measurement intelligent test terminal box, includes mainboard (3), its characterized in that, be provided with a plurality of binding post (5) on mainboard (3), binding post (5) include:
The U-shaped card (55) is arranged on one side of the main board (3);
The limiting piece (52) is arranged at the inner side of the U-shaped card (55) and is clamped with the side face of the U-shaped card (55);
The connecting rod (51) is detachably connected with the limiting piece (52), the first end of the connecting rod (51) extends into a space surrounded by the U-shaped clamp (55) and the limiting piece (52), and the second end of the connecting rod (51) is fixedly connected with the main board (3);
The elastic clamp (53) is arranged in a space surrounded by the U-shaped clamp (55) and the limiting piece (52), and the elastic clamp (53) is rotationally connected with the first end of the connecting rod (51).
2. The intelligent test terminal box for electric power metering as set forth in claim 1, wherein the elastic card (53) is provided in a U shape, and both side surfaces are inclined inwards, the side surface of the elastic card (53) is perpendicular to the side surface of the U-shaped card, and both ends of the elastic card (53) are provided with arc grooves.
3. The intelligent test junction box for electric power metering according to claim 1, characterized in that the lower end of the connecting rod (51) is provided with a diameter-reducing section, the elastic clamp (53) is sleeved on the diameter-reducing section, and the lower end of the diameter-reducing section is sleeved with a clamping ring (54).
4. The intelligent test junction box for electric power metering according to claim 1, wherein limiting grooves (56) are formed in two side faces of the U-shaped card (55), limiting protrusions are respectively arranged at two ends of the limiting piece (52), and the limiting protrusions are clamped with the corresponding limiting grooves (56).
5. The intelligent test junction box for electric power metering according to claim 1, wherein a base box (4) is arranged on one side of the main board (3) where the wiring terminal (5) is arranged, the base box (4) is detachably connected with the main board (3), a plurality of accommodating grooves are formed in the base box (4), a plurality of U-shaped cards (55) are respectively arranged in the corresponding accommodating grooves (7), a plurality of wiring holes (6) are formed in the base box (4), and the positions of the wiring holes (6) are respectively matched with the positions of the corresponding U-shaped cards (55).
6. The intelligent test junction box for electric power metering according to claim 1, wherein an upper cover (2) is arranged on one side, deviating from the U-shaped card (55), of the main board (3), the upper cover (2) is detachably connected with the main board (3), the second end of the connecting rod (51) extends to one side, deviating from the U-shaped card (55), of the main board (3), a functional indicator light plate is arranged on the upper cover (2), and connection points of the functional indicator light plate are respectively matched with positions of the second ends of the corresponding connecting rods (51).
7. The intelligent test junction box for electric power metering according to claim 6, wherein a transparent lead sealing cover (1) is arranged on one side of the upper cover (2) away from the main board (3), and the lead sealing cover (1) is detachably connected with the upper cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321291455.4U CN220986430U (en) | 2023-05-25 | 2023-05-25 | Intelligent test junction box for electric power metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321291455.4U CN220986430U (en) | 2023-05-25 | 2023-05-25 | Intelligent test junction box for electric power metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220986430U true CN220986430U (en) | 2024-05-21 |
Family
ID=91069879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321291455.4U Active CN220986430U (en) | 2023-05-25 | 2023-05-25 | Intelligent test junction box for electric power metering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220986430U (en) |
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2023
- 2023-05-25 CN CN202321291455.4U patent/CN220986430U/en active Active
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