CN113820523B - High-efficient electric quantity measurement joint junction box - Google Patents
High-efficient electric quantity measurement joint junction box Download PDFInfo
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- CN113820523B CN113820523B CN202111031663.6A CN202111031663A CN113820523B CN 113820523 B CN113820523 B CN 113820523B CN 202111031663 A CN202111031663 A CN 202111031663A CN 113820523 B CN113820523 B CN 113820523B
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- 238000005259 measurement Methods 0.000 title claims description 5
- 238000002788 crimping Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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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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Abstract
The invention discloses a high-efficiency electric quantity metering combined junction box which comprises a junction box body, wherein the junction box body comprises a box body and a box cover, and a plurality of junction holes are formed in the box body; the rotary connecting unit is arranged in the wiring hole and comprises a telescopic component and a rotary component; the telescopic component comprises a first sleeve, a second sleeve and an elastic piece, the rotary component comprises a rotary core, a limiting piece and a clamping piece, the second sleeve axially slides in the first sleeve, the second sleeve slides to drive the rotary core to rotate in the second sleeve, and the first sleeve, the second sleeve and the rotary core are concentric. The high-efficiency electric quantity metering combined junction box has the functions of mechanical linkage, self-locking and switching, has the series advantages of light weight, good insulativity and the like of the original equipment, realizes the function of quickly switching the internal connecting sheet without electrified operation, has simple and quick operation mode, greatly improves the working efficiency when the electric meter is disassembled and assembled, and is beneficial to reducing faults such as phase failure, current interruption and the like of the electric meter.
Description
Technical Field
The invention relates to the technical field of marketing metering, in particular to a high-efficiency electric quantity metering combined junction box.
Background
The combined junction box for electric energy metering is widely applied to a secondary circuit of a transformer substation, is arranged at the front end of a metering meter in a metering box (cabinet) and an ammeter box, and has the function of ensuring that the ammeter can be replaced and disassembled under the condition of uninterrupted load, guaranteeing the safety of electrified operators, reserving a junction terminal for measurement and playing a pivotal role in an electric metering circuit.
The junction box can disconnect the voltage of the input voltage line of the ammeter through an obvious breakpoint, the current line does not keep the short circuit state of the secondary side of the current transformer through the ammeter, and the high voltage generated by the open circuit operation of the secondary side of the current transformer is avoided, so that the personal safety of electrified operators is ensured; the current mainstream electric energy metering combined junction box discovers that when an outer cover is opened and then an inner connecting sheet is stirred, a screw needs to be directly screwed by a screw driver, and if an operator is not skilled enough or the insulation performance of the screw driver is reduced, the operation has great potential safety hazard; in addition, taking three-phase four-wire junction box as an example, when dismantling the ammeter, need to loosen 20 screws earlier in electrified, screw tightening after switching the connection piece, light stir the junction box connection piece just need last more than 5 minutes with the live operation time, seriously influences work efficiency. In addition, because all connecting sheets are loosened in sequence, fault events such as phase failure and flow interruption of the ammeter can be caused.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above and/or existing problems with high efficiency electrical metering combination junction boxes.
Therefore, the invention aims to solve the problems that the operation process of the traditional metering junction box is complex and the working efficiency is low because the high-efficiency electric quantity metering junction box is needed.
In order to solve the technical problems, the invention provides the following technical scheme: the high-efficiency electric quantity metering combined junction box comprises a junction box body, wherein the junction box body comprises a box body and a box cover, and a plurality of junction holes are formed in the box body; the rotary connecting unit is arranged in the wiring hole and comprises a telescopic component and a rotary component; the telescopic component comprises a first sleeve, a second sleeve and an elastic piece, the rotary component comprises a rotary core, a limiting piece and a clamping piece, the second sleeve axially slides in the first sleeve, the second sleeve slides to drive the rotary core to rotate in the second sleeve, and the first sleeve, the second sleeve and the rotary core are concentric.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the first sleeve is characterized in that one end of the first sleeve is provided with an opening, the other end of the first sleeve is provided with a round hole, one end of the second sleeve is provided with an opening and a limiting ring, the other end of the second sleeve is provided with a cylindrical head, the cylindrical head penetrates through the round hole, and the limiting ring is located outside the opening of the first sleeve.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the diameter of the cylindrical head is smaller than that of the second sleeve, an annular cavity is formed at the end of the cylindrical head of the first sleeve, the elastic piece is arranged in the annular cavity, and the elastic piece is sleeved on the cylindrical head.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the first sleeve is characterized in that a first sliding head is arranged on the inner wall of the first sleeve in the radial direction, a strip-shaped hole is formed in the side wall of the second sleeve, the whole rotary core is a cylinder, a sliding groove is formed in the cylindrical surface of the rotary core, the first sliding head penetrates through the strip-shaped hole and is connected with the sliding groove in a matched mode, and the sliding groove is in a spiral shape.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the limiting piece is installed on the round surface of the cavity inside the second sleeve, the limiting piece is distributed along the radial direction of the second sleeve, the limiting piece is provided with a cavity, the clamping piece is installed in the cavity of the limiting piece, one end of the rotary core is attached to the limiting piece, and the clamping piece moves in the limiting piece.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the rotary core is provided with a plurality of arc grooves on the round surface of the limiting piece, the limiting piece is provided with a sliding hole on one surface of the rotary core, one end of the clamping piece is vertically provided with a second sliding head, and the second sliding head penetrates through the sliding hole and is connected with the arc grooves in a matched mode.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: a plurality of clamping holes are uniformly formed in the inner wall of the first sleeve at the annular cavity, and the clamping pieces penetrate through the clamping holes.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the inside cavity of box body just divide into crimping layer and wire arrangement layer, the crimping layer is located and is close to one side of lid, the crimping layer divide into voltage wiring district, current wiring district, voltage wiring district and current wiring district are evenly crisscross distribution, wiring hole intercommunication crimping layer and wire arrangement layer.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the wire arrangement layer evenly distributed has a plurality of wiring rows, the wiring row is equipped with on cavity rectangle and both ends rectangle face and puts the line hole, be equipped with a plurality of through-holes on the wiring row lateral wall, also be equipped with a plurality of inlet wire holes on the non-adjacent both sides wall of box body, put the line hole with the inlet wire hole is concentric, the through-hole with the line hole is concentric.
As a preferable scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the rotary connection unit is arranged in the wiring holes of the voltage wiring area and the current wiring area, a plurality of connection pieces are arranged in the voltage wiring area and the current wiring area, and the connection pieces are pressed by the limiting rings.
The invention has the beneficial effects that: the invention has the functions of mechanical linkage, self-locking and switching, has the series of advantages of light weight, good insulativity and the like of the original equipment, realizes the function of quickly switching the internal connecting sheet without electrified operation, has simple and quick operation mode, greatly improves the working efficiency when the ammeter is disassembled and assembled, and is beneficial to reducing the faults of ammeter phase failure, flow failure and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of the overall assembly of a high efficiency, electricity metering combination junction box.
Fig. 2 is a block diagram of a wiring area of the high-efficiency electricity metering combination junction box.
Fig. 3 is a block diagram of a wiring harness of the high efficiency electricity metering combination junction box.
Fig. 4 is a cross-sectional view of a rotary connection unit in the combined junction box for high-efficiency electric quantity measurement.
Fig. 5 is an internal explosion structure diagram of the rotary connection unit of the high-efficiency electricity metering combination junction box.
Fig. 6 is a block diagram of a rotating core of the high efficiency electrical quantity metering combination junction box.
Fig. 7 is a block diagram of a retainer and a clip of a high efficiency electrical quantity metering combination junction box.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, in a first embodiment of the present invention, a high-efficiency electric quantity metering combined junction box is provided, which can ensure that operations such as line replacement and the like can be performed quickly under the condition that a load is not broken when an electric meter is replaced and disassembled, and is beneficial to ensuring the safety of operators.
The high-efficiency electric quantity metering combined junction box comprises a junction box body 100, a box body 101 and a box cover 102, wherein a plurality of junction holes 100a are formed in the box body 101; and a rotary connection unit 200 provided in the wiring hole 101a and including a telescopic member 201 and a rotary member 202; wherein, lid 102 is fixed on box body 101 through the bolt, and whole box body 101 and lid 102 are made by insulating material.
Specifically, the interior of the box body 101 is hollow and divided into a crimping layer 101a and a wire placing layer 101b, the crimping layer 101a is located at one side close to the box cover 102, the crimping layer 101a is divided into a voltage wire connecting area 101a-1 and a current wire connecting area 101a-2, the voltage wire connecting area 101a-1 and the current wire connecting area 101a-2 are uniformly distributed in a staggered mode, and the wire connecting holes 100a are communicated with the crimping layer 101a and the wire placing layer 101b. The rotary connection unit 200 is installed from within the wiring layer 101 a.
Further, the wiring layer 101b is uniformly distributed with a plurality of wiring rows 101b-1, the wiring rows 101b-1 are hollow rectangles, wiring holes 101b-2 are formed in rectangular surfaces at two ends, a plurality of through holes 101b-3 are formed in the side wall of the wiring row 101b-1, a plurality of wire inlet holes 101c are also formed in two non-adjacent side walls of the box body 101, the wiring holes 100b-2 are concentric with the wire inlet holes 101e, and the through holes 101b-3 are concentric with the wiring holes 101 a. The wire enters the wire row 101b-1 from the wire inlet hole 101c, and the wire can be pressed by the rotary connection unit 200 installed in the wire inlet hole 100 a.
Still further, the rotary connection unit 200 is installed in the connection holes 100a of the voltage connection region 101a-1 and the current connection region 101a-2, and the voltage connection region 101a-1 and the current connection region 101a-2 are provided with a plurality of connection pieces 100b, and the connection pieces 100b are made of conductive metal materials, which can be compressed by the rotary connection unit 200.
In this embodiment, the rotating assembly 202 is installed inside the telescopic assembly 201, the rotating assembly 202 can be rotated by pressing the telescopic assembly 201, and the telescopic assembly 201 stretches out while rotating, so as to compress the wires and the connecting pieces; when the wire is replaced, the telescopic assembly 201 can be retracted by twisting the rotary assembly 202 through the related tool.
Example 2
Referring to fig. 4 to 7, a second embodiment of the present invention is based on the previous embodiment, which is different from the previous embodiment in that: also included is a swivel connection unit 200 that includes a telescoping assembly 201 and a swivel bank 202.
Specifically, the telescopic assembly 201 includes a first sleeve 201a, a second sleeve 201b, and an elastic member 201c, the rotating assembly 202 includes a core 202a, a limiting member 202b, and a locking member 202c, the second sleeve 201b slides axially in the first sleeve 201a, and the sliding of the second sleeve 201b drives the core 202a to rotate in the second sleeve 201b, and the first sleeve 201a, the second sleeve 201b, and the core 202a are concentric.
Further, one end of the first sleeve 201a is provided with an opening, the other end is provided with a round hole 201a-1, one end of the second sleeve 201b is provided with an opening and is provided with a limiting ring 201b-1, the other end is provided with a cylindrical head 201b-2, the cylindrical head 201b-1 penetrates through the round hole 201a-1, and the limiting ring 201b-1 is positioned outside the opening of the first sleeve 201 a. Wherein, the diameter of the cylindrical head 201b-2 is smaller than that of the second sleeve 201b, the end of the first sleeve 201a where the cylindrical head 201b-2 is located forms an annular cavity 201a-2, the elastic piece 201c is arranged in the annular cavity 201a-2, and the elastic piece 201c is sleeved on the cylindrical head 201 b-2. Wherein the elastic member 201c is a compression spring, the second sleeve 201b may be made of a conductive material or a conductive material may be mounted on the second sleeve 201 b.
Still further, a first sliding head 201a-3 is radially disposed on the inner wall of the first sleeve 201a, a strip-shaped hole 201b-3 is disposed on the side wall of the second sleeve 201b, the rotary core 202a is integrally cylindrical, a sliding groove 202a-1 is disposed on the cylindrical surface of the rotary core 202a, the first sliding head 201a-3 passes through the strip-shaped hole 201b-3 and is connected with the sliding groove 202a-1 in a matched manner, and the sliding groove 202a-1 is spiral. The relative position of the core 202a and the second sleeve 201b is unchanged, the core 202a can only rotate in the second sleeve 201b, and when the second sleeve 201b is pressed, the core 202a rotates while moving along with the second sleeve 201b under the action of the sliding groove 202a-1 and the first sliding head 201 a-3.
In addition, the limiting piece 202b is installed on the round surface of the inner cavity of the second sleeve 201b, the limiting piece 202b is distributed along the radial direction of the second sleeve 201b, the limiting piece 202b is provided with a cavity, the clamping piece 202c is installed in the cavity of the limiting piece 202b, one end of the rotating core 202a is attached to the limiting piece 202b, and the clamping piece 202c moves in the limiting piece 202 b. A plurality of arc grooves 202a-2 are formed in the round surface, which is attached to the rotary core 202a and the limiting piece 202b, of the rotary core 202a, a sliding hole 202b-1 is formed in the surface, which is attached to the limiting piece 202b, of the limiting piece 202b, a second sliding head 202c-1 is vertically arranged at one end of the clamping piece 202c, and the second sliding head 202c-1 penetrates through the sliding hole 202b-1 and is connected with the arc grooves 202a-2 in a matched mode. When the rotary core 202a rotates, the second sliding head 202c-1 is pushed by the sliding hole 202b-1 and the arc groove 202a-2, so that the engaging member 202c slides along the cavity of the limiting member 202 b.
Further, a plurality of engaging holes 201a-4 are uniformly formed on the inner wall of the first sleeve 201a at the annular cavity 201a-2, and the engaging member 202c passes through the engaging holes 201a-4.
In this embodiment, when the second sleeve 201b is pressed, the rotary core 202a and the second sleeve 201b simultaneously descend, meanwhile, the rotary core 202a rotates in the second sleeve 201b, the clamping piece 202c is driven to slide during rotation, after the second sleeve 201b descends a certain distance, the cylindrical head 201b-2 extends into the wiring line row 101b-1, meanwhile, the clamping piece 202c enters into the clamping hole 201a-4, the clamping piece 202c is propped up and dead under the action of the elastic piece 201c, the second sleeve 201b is fixed, and the limiting ring 201b-1 presses the connecting piece 100b; when the wire replacement operation is needed, the rotating core 202a is twisted, so that the clamping piece 202c is retracted, and the second sleeve 201b is jacked up under the action of the elastic piece 201 c.
The invention has the functions of mechanical linkage, self-locking and switching, has the series of advantages of light weight, good insulativity and the like of the original equipment, realizes the function of quickly switching the internal connecting sheet without electrified operation, has simple and quick operation mode, greatly improves the working efficiency when the ammeter is disassembled and assembled, and is beneficial to reducing the faults of ammeter phase failure, flow failure and the like.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a high-efficient electric quantity measurement joint terminal box which characterized in that: comprising the steps of (a) a step of,
the junction box body (100) comprises a box body (101) and a box cover (102), wherein a plurality of junction holes (100 a) are formed in the box body (101); the method comprises the steps of,
the rotary connecting unit (200) is arranged in the wiring hole (100 a) and comprises a telescopic component (201) and a rotary component (202);
the telescopic assembly (201) comprises a first sleeve (201 a), a second sleeve (201 b) and an elastic piece (201 c), the rotary assembly (202) comprises a rotary core (202 a), a limiting piece (202 b) and a clamping piece (202 c), the second sleeve (201 b) axially slides in the first sleeve (201 a), and the sliding of the second sleeve (201 b) drives the rotary core (202 a) to rotate in the second sleeve (201 b), and the first sleeve (201 a), the second sleeve (201 b) and the rotary core (202 a) are concentric;
the limiting piece (202 b) is arranged on the round surface of the inner cavity of the second sleeve (201 b), the limiting piece (202 b) is distributed along the radial direction of the second sleeve (201 b), the limiting piece (202 b) is provided with a cavity, the clamping piece (202 c) is arranged in the cavity of the limiting piece (202 b), one end of the rotating core (202 a) is attached to the limiting piece (202 b), and the clamping piece (202 c) moves in the limiting piece (202 b);
a plurality of arc grooves (202 a-2) are formed in the round surface, which is attached to the rotary core (202 a), of the limiting piece (202 b), a sliding hole (202 b-1) is formed in the surface, which is attached to the rotary core (202 a), of the limiting piece (202 b), a second sliding head (202 c-1) is vertically arranged at one end of the clamping piece (202 c), and the second sliding head (202 c-1) penetrates through the sliding hole (202 b-1) and is connected with the arc grooves (202 a-2) in a matched mode;
a plurality of clamping holes (201 a-4) are uniformly formed in the inner wall of the first sleeve (201 a) at the annular cavity (201 a-2), and the clamping piece (202 c) penetrates through the clamping holes (201 a-4).
2. The high efficiency, electrical metering combination junction box of claim 1, wherein: one end of the first sleeve (201 a) is provided with an opening, the other end of the first sleeve is provided with a round hole (201 a-1), one end of the second sleeve (201 b) is provided with an opening and is provided with a limiting ring (201 b-1), the other end of the second sleeve is provided with a cylindrical head (201 b-2), the cylindrical head (201 b-1) penetrates through the round hole (201 a-1), and the limiting ring (201 b-1) is located outside the opening of the first sleeve (201 a).
3. The high efficiency, electrical metering combination junction box of claim 2, wherein: the diameter of the cylindrical head (201 b-2) is smaller than that of the second sleeve (201 b), an annular cavity (201 a-2) is formed at the end of the first sleeve (201 a) where the cylindrical head (201 b-2) is located, the elastic piece (201 c) is arranged in the annular cavity (201 a-2), and the elastic piece (201 c) is sleeved on the cylindrical head (201 b-2).
4. The high efficiency, electrical metering combination junction box of claim 3 wherein: the inner wall of the first sleeve (201 a) is radially provided with a first sliding head (201 a-3), the side wall of the second sleeve (201 b) is provided with a strip-shaped hole (201 b-3), the whole rotary core (202 a) is cylindrical, the cylindrical surface of the rotary core (202 a) is provided with a sliding groove (202 a-1), the first sliding head (201 a-3) penetrates through the strip-shaped hole (201 b-3) and is connected with the sliding groove (202 a-1) in a matched mode, and the sliding groove (202 a-1) is spiral.
5. The high efficiency, electrical metering combination junction box of claim 4, wherein: the box body (101) is hollow and divided into a crimping layer (101 a) and a wire placing layer (101 b), the crimping layer (101 a) is located near one side of the box cover (102), the crimping layer (101 a) is divided into a voltage wire connecting area (101 a-1) and a current wire connecting area (101 a-2), the voltage wire connecting area (101 a-1) and the current wire connecting area (101 a-2) are uniformly distributed in a staggered mode, and the wire connecting holes (100 a) are communicated with the crimping layer (101 a) and the wire placing layer (101 b).
6. The high efficiency, electrical metering combination junction box of claim 5, wherein: the wire arrangement layer (101 b) is uniformly distributed with a plurality of wire arrangement rows (101 b-1), the wire arrangement rows (101 b-1) are hollow rectangles, wire arrangement holes (101 b-2) are formed in rectangular surfaces at two ends of each wire arrangement row, a plurality of through holes (101 b-3) are formed in the side walls of the wire arrangement rows (101 b-1), a plurality of wire inlet holes (101 c) are also formed in the non-adjacent two side walls of the box body (101), the wire arrangement holes (100 b-2) are concentric with the wire inlet holes (101 c), and the through holes (101 b-3) are concentric with the wire arrangement holes (101 a).
7. The high efficiency, electrical metering combination junction box of claim 6, wherein: the rotary connection unit (200) is arranged in a connection hole (100 a) of the voltage connection area (101 a-1) and the current connection area (101 a-2), a plurality of connection pieces (100 b) are arranged in the voltage connection area (101 a-1) and the current connection area (101 a-2), and the connection pieces (100 b) are pressed by the limiting ring (201 b-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111031663.6A CN113820523B (en) | 2021-09-03 | 2021-09-03 | High-efficient electric quantity measurement joint junction box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111031663.6A CN113820523B (en) | 2021-09-03 | 2021-09-03 | High-efficient electric quantity measurement joint junction box |
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| Publication Number | Publication Date |
|---|---|
| CN113820523A CN113820523A (en) | 2021-12-21 |
| CN113820523B true CN113820523B (en) | 2024-04-05 |
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| CN202111031663.6A Active CN113820523B (en) | 2021-09-03 | 2021-09-03 | High-efficient electric quantity measurement joint junction box |
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