CN113820523A - High-efficient electric quantity measurement joint terminal box - Google Patents
High-efficient electric quantity measurement joint terminal box Download PDFInfo
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- CN113820523A CN113820523A CN202111031663.6A CN202111031663A CN113820523A CN 113820523 A CN113820523 A CN 113820523A CN 202111031663 A CN202111031663 A CN 202111031663A CN 113820523 A CN113820523 A CN 113820523A
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- 238000005259 measurement Methods 0.000 title claims description 5
- 238000002788 crimping Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 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
- 239000011810 insulating material Substances 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
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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, a box cover and a plurality of terminal holes, wherein the box body is internally provided with the plurality of terminal holes; the rotary connecting unit is arranged in the wiring hole and comprises a telescopic component and a rotary component; the telescopic assembly comprises a first sleeve, a second sleeve and an elastic piece, the rotating assembly comprises a rotary core, a limiting piece and a clamping piece, the second sleeve axially slides in the first sleeve, the rotary core is driven by the sliding of the second sleeve 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, realizes the function of quickly switching internal connecting sheets without live operation besides the series advantages of light weight, good insulativity and the like of the prior equipment, has simple and quick operation mode, greatly improves the working efficiency when the ammeter is assembled and disassembled, and is beneficial to reducing the faults of open phase, cut off flow and the like of the ammeter.
Description
Technical Field
The invention relates to the technical field of marketing and metering, in particular to a high-efficiency electric quantity metering combined junction box.
Background
The electric energy metering combined junction box 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) or an electric meter box, has the function of ensuring that the replacement and the disassembly of the electric meter can be carried out under the condition that the load is not powered off, simultaneously ensures the safety of a live operator, also reserves a wiring terminal for measurement, and plays a role of a pivot in an electric measurement metering circuit.
The input voltage line of the ammeter can be disconnected with voltage at an obvious breakpoint through the junction box, the current line does not keep the short-circuit state of the secondary side of the current transformer through the ammeter, the high voltage generated by the open-circuit operation of the secondary side of the current transformer is avoided, and the personal safety of live operators is guaranteed; at present, in the actual operation process of the mainstream electric energy metering combined junction box, the fact that a screw driver is required to directly screw a charged screw when an internal connecting sheet is pulled after an outer cover is opened is found, and if an operator is not skilled enough or the insulating property of the screw driver is reduced, great potential safety hazards are caused in the operation; in addition, taking a three-phase four-wire junction box as an example, when the ammeter is disassembled, 20 screws need to be loosened firstly when electrified, the screws need to be screwed after the connecting pieces are switched, the connecting pieces of the junction box need to be electrified by poking light, the operation time needs to last for more than 5 minutes, and the working efficiency is seriously influenced. In addition, due to the fact that all the connecting pieces are loosened in sequence, fault events such as phase loss and current interruption of the ammeter can be caused.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems associated with the prior art high efficiency, high capacity, modular terminal blocks.
Therefore, the invention aims to solve the problems that an efficient electric quantity metering combined junction box is needed, and the problems that the operation process of the current metering junction box is complicated and the working efficiency is low are solved.
In order to solve the technical problems, the invention provides the following technical scheme: a high-efficiency electric quantity metering combined junction box comprises a junction box body, a box cover and a plurality of terminal holes, wherein the box body is internally provided with the plurality of terminal holes; the rotary connecting unit is arranged in the wiring hole and comprises a telescopic assembly and a rotary assembly; the telescopic assembly comprises a first sleeve, a second sleeve and an elastic piece, the rotating assembly comprises a rotary core, a limiting piece and a clamping piece, the second sleeve axially slides in the first sleeve, the rotary core is driven by the sliding of the second sleeve to rotate in the second sleeve, and the first sleeve, the second sleeve and the rotary core are concentric.
As a preferred scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: one end of the first sleeve is an opening, the other end of the first sleeve is provided with a round hole, one end of the second sleeve is an opening and is provided with 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 preferred 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 position of the cylindrical head in the first sleeve, the elastic piece is arranged in the annular cavity, and the elastic piece is sleeved on the cylindrical head.
As a preferred scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the inner wall of the first sleeve is provided with a first sliding head along the radial direction, the side wall of the second sleeve is provided with a strip-shaped hole, the whole rotary core is a cylinder, the cylindrical surface of the rotary core is provided with a sliding groove, 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 spiral.
As a preferred scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the limiting part is installed on the round surface of the inner cavity of the second sleeve, the limiting part is distributed along the radial direction of the second sleeve, the limiting part is provided with a cavity, the clamping piece is installed in the cavity of the limiting part, one end of the rotary core is attached to the limiting part, and the clamping piece moves in the limiting part.
As a preferred 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 wire grooves on the round surface of the laminating of the limiting part, the limiting part is provided with a sliding hole on one surface of the laminating of the rotary core, one end of the clamping part is vertically provided with a second sliding head, and the second sliding head penetrates through the sliding hole and is connected with the arc wire grooves in a matched mode.
As a preferred 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 preferred scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the inside cavity of box body just is divided into the crimping layer and puts the line layer, the crimping level is located and is close to one side of lid, the crimping layer divide into voltage wiring district, electric current wiring district, voltage wiring district is even crisscross distribution with electric current wiring district, wiring hole intercommunication the crimping layer with put the line layer.
As a preferred scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the wire arranging layer is uniformly distributed with a plurality of wire arranging rows, each wire arranging row is a hollow rectangle, wire arranging holes are formed in rectangular surfaces at two ends of each wire arranging row, a plurality of through holes are formed in the side wall of each wire arranging row, a plurality of wire inlet holes are also formed in the two non-adjacent side walls of the box body, the wire arranging holes are concentric with the wire inlet holes, and the through holes are concentric with the wire arranging holes.
As a preferred scheme of the high-efficiency electric quantity metering combined junction box, the invention comprises the following steps: the rotary connection unit is arranged in a wiring hole of the voltage wiring area and the current wiring area, a plurality of connecting pieces are arranged in the voltage wiring area and the current wiring area, and the connecting 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, realizes the functions of quickly switching internal connecting sheets without live operation, has simple and quick operation mode, greatly improves the working efficiency when the ammeter is assembled and disassembled, and is beneficial to reducing faults of open-phase and cut-off of the ammeter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is an overall assembly schematic diagram of a high-efficiency electricity metering combined junction box.
Fig. 2 is a structural diagram of a wire placement area of the high-efficiency electricity metering combined junction box.
Fig. 3 is a structural diagram of a wiring block of the high-efficiency electric quantity metering combined junction box.
Fig. 4 is a cross-sectional structure diagram of a rotary connection unit in the high-efficiency electricity metering combined junction box.
Fig. 5 is an exploded view of the inside of the rotary connection unit of the high-efficiency electricity metering combined junction box.
Fig. 6 is a structural diagram of a rotary core of the high-efficiency electricity metering combined junction box.
Fig. 7 is a structural diagram of a limiting member and a clamping member of the high-efficiency electricity metering combined junction box.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
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 than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is 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, a first embodiment of the present invention provides an efficient electric quantity metering combined junction box, which can ensure that operations such as wire replacement and the like can be performed quickly without power failure of a load when an electric meter is replaced and disassembled, and is beneficial to ensuring the safety of an operator.
The high-efficiency electric quantity metering combined junction box comprises a junction box body 100, a box cover 102 and a plurality of wiring holes 100a, wherein the box body 101 is internally provided with the wiring holes; the rotary connecting unit 200 is arranged in the wiring hole 101a and comprises a telescopic component 201 and a rotary component 202; the box cover 102 is fixed on the box body 101 by bolts, and the whole box body 101 and the box cover 102 are made of insulating materials.
Specifically, the box body 101 is hollow and is divided into a crimping layer 101a and a wire placing layer 101b, the crimping layer 101a is located on one side close to the box cover 102, the crimping layer 101a is divided into a voltage wiring area 101a-1 and a current wiring area 101a-2, the voltage wiring area 101a-1 and the current wiring area 101a-2 are uniformly distributed in a staggered mode, and the wiring holes 100a are communicated with the crimping layer 101a and the wire placing layer 101 b. The rotary joint unit 200 is installed from within the wire-laying layer 101 a.
Furthermore, a plurality of wiring rows 101b-1 are uniformly distributed on the wiring layer 101b, the wiring rows 101b-1 are hollow rectangles, the rectangular surfaces at two ends are provided with wiring holes 101b-2, the side wall of the wiring row 101b-1 is provided with a plurality of through holes 101b-3, two non-adjacent side walls of the box body 101 are also provided with a plurality of wire inlet holes 101c, 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 is introduced into the terminal block 101b-1 from the wire inlet hole 101c, and the wire is pressed by the rotary joint unit 200 installed in the terminal 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, 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 a conductive metal material and can be compressed by the rotary connection unit 200.
In this embodiment, the rotating assembly 202 is installed inside the telescopic assembly 201, and the rotating assembly 202 can rotate by pressing the telescopic assembly 201, and the telescopic assembly 201 extends out while rotating to compress the conducting wire and the connecting sheet; during a wire change, rotation of the rotating assembly 202 by an associated tool causes retraction of the retraction assembly 201.
Example 2
Referring to fig. 4 to 7, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: also included is a rotary linkage unit 200 that includes a telescoping assembly 201 and a rotary union 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 rotary core 202a, a limiting member 202b, and an engaging member 202c, the second sleeve 201b slides in the first sleeve 201a along the axial direction, the sliding of the second sleeve 201b drives the rotary core 202a to rotate in the second sleeve 201b, and the first sleeve 201a, the second sleeve 201b, and the rotary core 202a are concentric.
Further, one end of the first sleeve 201a is open, the other end of the first sleeve is provided with a circular hole 201a-1, one end of the second sleeve 201b is open and provided with a limit ring 201b-1, the other end of the second sleeve is provided with a cylindrical head 201b-2, the cylindrical head 201b-1 penetrates through the circular hole 201a-1, and the limit ring 201b-1 is located outside the opening of the first sleeve 201 a. The diameter of the cylindrical head 201b-2 is smaller than that of the second sleeve 201b, an annular cavity 201a-2 is formed at the end where the cylindrical head 201b-2 is located in the first sleeve 201a, 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. The elastic member 201c is a compression spring, and 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 arranged on the inner wall of the first sleeve 201a along the radial direction, a strip-shaped hole 201b-3 is arranged on the side wall of the second sleeve 201b, the whole rotary core 202a is cylindrical, a sliding groove 202a-1 is arranged on the cylindrical surface of the rotary core 202a, the first sliding head 201a-3 penetrates through the strip-shaped hole 201b-3 and is connected with the sliding groove 202a-1 in a matched mode, and the sliding groove 202a-1 is spiral. The relative position of the rotary core 202a and the second sleeve 201b is not changed, the rotary core 202a can only rotate in the second sleeve 201b, and when the second sleeve 201b is pressed, the rotary core 202a rotates while moving 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 member 202b is installed on a circular surface of an internal cavity of the second sleeve 201b, the limiting members 202b are distributed along a radial direction of the second sleeve 201b, the limiting member 202b has a cavity, the engaging member 202c is installed in the cavity of the limiting member 202b, one end of the rotating core 202a is attached to the limiting member 202b, and the engaging member 202c moves in the limiting member 202 b. A plurality of arc-shaped wire grooves 202a-2 are formed in the circular surface where the rotary core 202a and the limiting member 202b are attached, a sliding hole 202b-1 is formed in the surface where the limiting member 202b and the rotary core 202a are attached, a second sliding head 202c-1 is vertically arranged at one end of the clamping member 202c, and the second sliding head 202c-1 penetrates through the sliding hole 202b-1 and is connected with the arc-shaped wire 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 line groove 202a-2, so that the engaging member 202c slides along the cavity of the limiting member 202 b.
Furthermore, a plurality of clamping holes 201a-4 are uniformly formed in the inner wall of the first sleeve 201a at the annular cavity 201a-2, and the clamping pieces 202c penetrate through the clamping holes 201 a-4.
In this embodiment, when the second sleeve 201b is pressed, the rotary core 202a and the second sleeve 201b descend at the same time, and at the same time, the rotary core 202a rotates in the second sleeve 201b, and drives the engaging member 202c to slide when rotating, when the second sleeve 201b descends for a certain distance, the cylindrical head 201b-2 extends into the wire connecting bank 101b-1, and simultaneously the engaging member 202c enters the engaging hole 201a-4, the engaging member 202c is pushed up under the action of the elastic member 201c, the second sleeve 201b is fixed, and the limiting ring 201b-1 presses the connecting piece 100 b; when the wire replacement operation is required, the rotating core 202a is twisted to retract the engaging member 202c, and the second sleeve 201b is jacked up by the elastic member 201 c.
The invention has the functions of mechanical linkage, self locking and switching, realizes the functions of quickly switching internal connecting sheets without live operation, has simple and quick operation mode, greatly improves the working efficiency when the ammeter is assembled and disassembled, and is beneficial to reducing faults of open-phase and cut-off of the ammeter.
It is important to note that the construction and arrangement of the present application as shown in the various 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., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited 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 this 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 present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, 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 unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling 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, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a terminal box is united in high-efficient electric quantity measurement which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the junction box comprises a junction box body (100) and a terminal box cover (102), wherein a plurality of wiring holes (100a) are formed in the junction box body (101); and the number of the first and second groups,
the rotary connecting unit (200) is arranged in the wiring hole (100a) and comprises a telescopic assembly (201) and a rotary assembly (202);
the telescopic component (201) comprises a first sleeve (201a), a second sleeve (201b) and an elastic piece (201c), the rotating component (202) comprises a rotary core (202a), a limiting piece (202b) and a clamping piece (202c), the second sleeve (201b) slides in the first sleeve (201a) along the axial direction, the second sleeve (201b) slides to drive the rotary core (202a) to rotate in the second sleeve (201b), and the first sleeve (201a), the second sleeve (201b) and the rotary core (202a) are concentric.
2. The high efficiency air gauge junction box of claim 1, wherein: one end of the first sleeve (201a) is open, the other end of the first sleeve is provided with a round hole (201a-1), one end of the second sleeve (201b) is open and provided with a limiting ring (201b-1), the other end of the second sleeve 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 located outside the opening of the first sleeve (201 a).
3. The high efficiency air gauge junction box of claim 2, wherein: the diameter of the cylindrical head (201b-2) is smaller than that of the second sleeve (201b), an annular cavity (201a-2) is formed at the position where the cylindrical head (201b-2) is located in the first sleeve (201a), 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).
4. The high efficiency air gauge junction box of claim 3, wherein: the inner wall of the first sleeve (201a) is provided with a first sliding head (201a-3) along the radial direction, the side wall of the second sleeve (201b) is provided with a strip-shaped hole (201b-3), the whole rotary core (202a) is cylindrical, a sliding groove (202a-1) is formed in the cylindrical surface of the rotary core (202a), the first sliding head (201a-3) penetrates through the strip-shaped hole (201b-3) and is connected with the sliding groove (202a-1) in a matched mode, and the sliding groove (202a-1) is spiral.
5. The high-efficiency electric quantity metering combined junction box according to any one of claims 1 to 4, characterized in that: the limiting piece (202b) is installed on a circular surface of a cavity inside 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 rotary core (202a) is attached to the limiting piece (202b), and the clamping piece (202c) moves in the limiting piece (202 b).
6. The high efficiency air gauge junction box of claim 5, wherein: the arc-shaped wire casing is characterized in that a plurality of arc-shaped wire casings (202a-2) are arranged on the circular surface where the rotary core (202a) and the limiting part (202b) are attached, a sliding hole (202b-1) is formed in one surface where the limiting part (202b) and the rotary core (202a) are attached, a second sliding head (202c-1) is vertically arranged at one end of the clamping part (202c), and the second sliding head (202c-1) penetrates through the sliding hole (202b-1) and is connected with the arc-shaped wire casings (202a-2) in a matched mode.
7. The high efficiency air gauge junction box of claim 6, wherein: a plurality of clamping holes (201a-4) are uniformly formed in the inner wall of the first sleeve (201a) at the position of the annular cavity (201a-2), and the clamping piece (202c) penetrates through the clamping holes (201 a-4).
8. The high efficiency air gauge junction box of claim 7, wherein: the inside cavity of box body (101) just divide into crimping layer (101a) and puts line layer (101b), crimping layer (101a) is located and is close to one side of lid (102), crimping layer (101a) divide into voltage wiring district (101a-1), electric current wiring district (101a-2), voltage wiring district (101a-1) is even crisscross distribution with electric current wiring district (101a-2), wiring hole (100a) intercommunication crimping layer (101a) with put line layer (101 b).
9. The high efficiency air gauge junction box of claim 8, wherein: the wire arranging layer (101b) is uniformly provided with a plurality of wire connecting rows (101b-1), each wire connecting row (101b-1) is a hollow rectangle, wire arranging holes (101b-2) are formed in rectangular surfaces at two ends of each wire connecting row, a plurality of through holes (101b-3) are formed in the side wall of each wire connecting row (101b-1), a plurality of wire inlet holes (101c) are also formed in the two non-adjacent side walls of the box body (101), the wire arranging holes (100b-2) are concentric with the wire inlet holes (101c), and the through holes (101b-3) are concentric with the wire connecting holes (101 a).
10. The high efficiency air gauge junction box of claim 9, wherein: the rotary connection unit (200) is arranged in the connection hole (100a) of the voltage connection area (101a-1) and the current connection area (101a-2), the voltage connection area (101a-1) and the current connection area (101a-2) are provided with a plurality of connection pieces (100b), and the connection pieces (100b) 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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| CN113820523A true CN113820523A (en) | 2021-12-21 |
| CN113820523B CN113820523B (en) | 2024-04-05 |
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| CN113067293A (en) * | 2020-12-30 | 2021-07-02 | 田志勇 | Electrical junction box |
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| CN113820523B (en) | 2024-04-05 |
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