CN112290491B - Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement - Google Patents
Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement Download PDFInfo
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- CN112290491B CN112290491B CN202011077895.0A CN202011077895A CN112290491B CN 112290491 B CN112290491 B CN 112290491B CN 202011077895 A CN202011077895 A CN 202011077895A CN 112290491 B CN112290491 B CN 112290491B
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- voltage
- separation blade
- main body
- electric energy
- metering
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
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- Physics & Mathematics (AREA)
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Abstract
The invention relates to the technical field of circuit maintenance, and particularly discloses an electric energy metering combined junction box anti-misoperation insulating device which comprises a shielding main body, wherein the shielding main body is of a cuboid structure and is used for being matched with a metering box and shielding a live wiring terminal in the metering box; the shielding main body is provided with a voltage protection assembly, the voltage protection assembly comprises a first separation blocking piece, a second separation blocking piece and a third separation blocking piece, the second separation blocking piece and the third separation blocking piece are connected to two ends of the first separation blocking piece, and the voltage protection assembly is U-shaped; the first baffle is matched between the voltage wiring terminal and the voltage connecting piece; the second separation blocking piece and the third separation blocking piece are matched with the two sides of the voltage wiring terminal; the shielding main body is also provided with a connecting part used for being connected with the metering box. This embodiment is through placing separating the separation blade between voltage terminal and voltage connection piece, with the voltage terminal with the voltage connection piece clear and definite disconnection, avoid voltage connection piece and voltage terminal intercommunication to lead to the staff to electrocute.
Description
Technical Field
The invention relates to the technical field of circuit maintenance, in particular to an electric energy metering combination junction box anti-misoperation insulating device.
Background
The voltage connecting piece of the metering box (short for electric energy metering combined junction box) is connected with a voltage wiring terminal (upper end wiring terminal) and a live wiring terminal (lower end wiring terminal) in the metering box in the normal working process, and the voltage wiring terminal is further conducted with the live wiring terminal. And in the process of on-site real load verification, replacement or maintenance of an electric energy meter or a metering terminal, the voltage connecting sheet needs to be pulled so as to disconnect the voltage wiring terminal from the electrified wiring terminal, and the voltage-free state of the voltage wiring terminal is further ensured.
The existing metering box has been improved in the aspects of preventing misoperation and preventing electricity theft, but is still imperfect in the aspect of ensuring the isolation between a voltage binding post and a charged binding post in the non-working process. On one hand, the distance between the disconnected voltage wiring terminal and the voltage connecting piece is small, and the disconnected part of the voltage wiring terminal has no shielding piece, so that the voltage wiring terminal and the voltage connecting piece cannot be definitely and completely disconnected; on the other hand, because the voltage connection piece of the metering box is vertically installed, if the screws or other conductive objects above the metering box fall downwards in the working process, the falling objects are inconvenient to take out from the electrified part at the lower end, and risks such as short circuit can be caused.
Disclosure of Invention
The invention aims to: the utility model provides a terminal box is united in electric energy measurement prevents mistake and bumps insulating device to solve the unable clear problem of guaranteeing that voltage even piece and voltage terminal are disconnected completely among the correlation technique.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an electric energy metering combination junction box anti-false-touch insulation device, which comprises:
the shielding main body is of a cuboid structure and is used for being matched with the metering box and shielding the live wiring terminal in the metering box;
the voltage protection components are arranged on one side surface of the shielding main body at intervals and can be in one-to-one correspondence with the voltage wiring terminals in the metering box respectively; the voltage protection assembly comprises a first separation blocking piece, a second separation blocking piece and a third separation blocking piece, wherein the second separation blocking piece and the third separation blocking piece are connected to two ends of the first separation blocking piece; the first baffle is matched between the voltage wiring terminal and the voltage connecting piece;
the current protection assemblies are arranged on the shielding main body and are positioned between every two voltage protection assemblies, and avoidance grooves are reserved between the current protection assemblies and the voltage protection assemblies and are used for being matched with partitions for partitioning the metering box; the current protection component can prevent an article from passing between the two voltage protection components;
the connecting part is arranged on the shielding main body and is used for being connected with the metering box.
Optionally, the number of the voltage protection assemblies is four, and the four voltage protection assemblies are arranged on one side surface of the shielding main body at intervals.
Optionally, the thickness of the first separation blade is 1-2 mm.
Optionally, the first blocking piece, the second blocking piece and the third blocking piece are integrally formed on the shielding main body.
Optionally, the current protection assembly includes a fourth separation blade, and a side surface of the fourth separation blade, which is far away from the first separation blade, is flush with an end surface of the second separation blade, which is far away from the first separation blade, on one side of the fourth separation blade.
Optionally, the current protection assembly further includes a rib plate, and the rib plate is used for reinforcing the fourth separation blade.
Optionally, the connecting portion is two connecting through holes respectively formed in two ends of the shielding body, the two connecting through holes correspond to the two threaded holes of the metering box, and a screw penetrates through the connecting through holes and then is screwed with the threaded holes.
Optionally, the other side surface of the shielding main body is provided with a plurality of indication marks of phase lines at intervals, and each indication mark is respectively located on the same axis perpendicular to the shielding main body with the voltage binding post in the metering box.
Optionally, the number of the indicator marks is four, and the colors of the four indicator marks are yellow, green, red and blue, respectively.
Optionally, the electric energy metering combined junction box anti-collision insulating device is made of PC plastic.
The invention has the beneficial effects that:
the invention provides an electric energy metering combined junction box anti-misoperation insulation device which can shield a live wiring terminal in a metering box on one hand, and effectively prevent electric shock accidents caused by mistakenly touching the live wiring terminal by workers in the maintenance or repair process;
on the other hand, set up between voltage terminal and voltage connection piece and voltage terminal both sides and separate the separation blade, can make clear that voltage connection piece and voltage terminal break off, and can effectively prevent to have screw or other electrically conductive article to drop in the course of the work and lead to the emergence of short circuit accident or lead to staff's electric shock accident with electrified terminal and voltage terminal intercommunication.
Drawings
FIG. 1 is a first schematic structural diagram of an electrical energy metering junction box anti-collision insulating device according to an embodiment of the present invention;
FIG. 2 is a second schematic structural diagram of the electrical energy metering junction box anti-collision insulating device according to the embodiment of the present invention;
FIG. 3 is a schematic view of the construction of the measuring cassette;
FIG. 4 is a first schematic view of the assembly of the electric energy metering combined junction box anti-collision insulating device and the metering box;
FIG. 5 is a second schematic view of the assembly of the electric energy metering combined junction box anti-collision insulating device and the metering box;
fig. 6 is a sectional view taken along a-a in fig. 5.
In the figure:
1. a shielding main body; 2. an indication mark;
101. a voltage protection component; 102. a current protection component; 103. a connecting through hole;
1011. a first separation blade; 1012. a second separation blade; 1013. a third separation blade;
1021. a fourth separation blade; 1022. a fifth separation blade;
100. a measuring box; 200. a live terminal; 300. a voltage terminal; 400. voltage connection sheets; 500. a threaded bore.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
Fig. 1 is a first structural schematic diagram of an electric energy metering combined junction box anti-collision insulating device in the embodiment of the invention, fig. 2 is a second structural schematic diagram of the electric energy metering combined junction box anti-collision insulating device in the embodiment of the invention, fig. 3 is a structural schematic diagram of a metering box, fig. 4 is a first assembly schematic diagram of the electric energy metering combined junction box anti-collision insulating device and the metering box, fig. 5 is a second assembly schematic diagram of the electric energy metering combined junction box anti-collision insulating device and the metering box, and fig. 6 is a cross-sectional view along the direction a-a in fig. 5. As shown in fig. 1 to 6, the present embodiment provides an electric energy metering combination junction box anti-collision insulating device, which includes a shielding main body 1, where the shielding main body 1 is a rectangular parallelepiped structure and is used for cooperating with a metering box 100 and shielding a live terminal 200 in the metering box 100, where the live terminal 200 is a terminal located at a lower portion of the metering box 100; after the electric energy metering junction box is matched with the metering box 100, the electric energy metering junction box anti-misoperation insulating device can shield the live wiring terminal 200 in the metering box 100, and effectively prevents electric shock accidents caused by mistakenly touching the live wiring terminal 200 in the maintenance or repair process of workers.
The electric energy metering combined junction box anti-collision insulating device further comprises a plurality of voltage protection components 101, wherein the voltage protection components 101 are arranged on one side surface of the shielding main body 1 at intervals and can be in one-to-one correspondence with the voltage wiring terminals 300 in the metering box 100 respectively; the voltage protection assembly 101 includes a first barrier 1011, and the first barrier 1011 is fitted between the voltage terminal 300 and the voltage connector 400. Can definitely break off voltage terminal 300 and electrified terminal 200, effectively prevent in the course of the work that there is screw or other electrically conductive article to drop through the gap between two voltage terminal 300 and get into and cause the short circuit accident after the electrified region, perhaps communicate electrified terminal 200 and voltage terminal 300 that is located the upper portion of measurement box 100 and lead to constructor because of the electric shock accident that the mistake touched voltage terminal 300 and lead to. Regarding the number of the voltage protection components 101, four are provided in the present embodiment, and correspond to the four voltage terminals 300 one by one. The live binding post 200 includes three live wires and one neutral wire.
The voltage connecting piece 400 is used for controlling the on-off of the live wiring terminal 200 and the voltage wiring terminal 300, when the live wiring terminal 200 is required to be disconnected from the voltage wiring terminal 300, the voltage connecting piece 400 is pulled to be separated from the voltage wiring terminal 300, but the voltage connecting piece 400 is still connected with the live wiring terminal 200.
After the voltage terminal 300 is separated from the voltage lug 400 below, there are also conductive objects that may be dropped communicating with the voltage lug 400 through the positions of both sides of the voltage terminal 300, causing the voltage terminal 300 to be electrified and thus creating a danger. The voltage protection assembly 101 further comprises a second barrier sheet 1012 and a third barrier sheet 1013 connected to two ends of the first barrier sheet 1011, and the voltage protection assembly 101 is U-shaped; the second barrier 1012 and the third barrier 1013 are fitted to both sides of the voltage terminal 300; on one hand, the voltage terminal 300 can be protected on two sides, so as to prevent the voltage terminal 300 from being communicated with the voltage connecting piece 400 caused by articles falling into the electrified area of the metering box 100; on the other hand, due to the U-shaped design, both sides of the first barrier 1011 are supported and reinforced. Regarding the manufacturing manner of the voltage protection assembly 101, in this embodiment, optionally, the first barrier sheet 1011, the second barrier sheet 1012 and the third barrier sheet 1013 of the voltage protection assembly 101 may be integrally formed on the shielding main body 1. Optionally, the thickness of the first barrier 1011 is 1-2 mm, preferably 1.5 mm.
The electric energy metering combined junction box anti-collision insulating device provided by the embodiment is used for being matched with the metering box 100, and in order to be connected with the metering box 100, the shielding main body 1 is provided with a connecting part for being connected with the metering box 100. In this embodiment, the connection portions are preferably two connection through holes 103 respectively provided at both ends of the shield body 1, and the connection through holes 103 correspond to the screw holes 500 of the measuring cassette 100. This arrangement allows the connection to be made using the original structure without modification or rework of the existing measuring box 100. After the connecting through hole 103 of the embodiment is aligned with the threaded hole 500 of the measuring box 100, a screw is sequentially threaded through the connecting through hole 103 and the threaded hole 500.
The electric energy metering combined junction box anti-false-touch insulating device further comprises a plurality of current protection assemblies 102, wherein the current protection assemblies 102 are arranged on the shielding main body 1, and are positioned on the same surface of the shielding main body 1 as the voltage protection assemblies 101. Because a current terminal (not shown in the figure) is arranged between two adjacent live terminals 200, and the current terminal and the live terminals 200 and the voltage terminal 300 are separated by partition intervals, a current protection assembly 102 is arranged between two adjacent voltage protection assemblies 101, and an avoidance groove is reserved between the current protection assembly 102 and the voltage protection assembly 101 and is used for being matched with the partition of the partition metering box 100; the current guard assembly 102 prevents items from passing between the two voltage guard assemblies 101 into the live zone. In this embodiment, specifically, three current protection components 102 are provided, and the current protection components 102 and the voltage protection components 101 are sequentially arranged at intervals. Specifically, the current protection component 102 includes the fourth blocking piece 1021, and the top surface of the fourth blocking piece 1021, the top surface of the second blocking piece 1012, and the top surface of the third blocking piece 1013 are flush, so that the appearance of the whole insulation device is attractive, and meanwhile, the fourth blocking piece 1021 and the voltage protection component 101 are conveniently integrally formed, and the difficulty and cost of mold design are reduced. Further, the current guard assembly 102 further includes a rib plate for reinforcing the fourth barrier 1021. Specifically, the rib plate includes a fifth barrier 1022, and the fifth barrier 1022 is connected between the fourth barrier 1021 and the shielding main body 1. The fifth barrier 1022 is parallel to the partition and aligned with the inner wall of the avoidance groove close to the fourth barrier 1021, which can prevent the fourth barrier 1021 from being broken due to installation dislocation during operation, and can also adapt to the structure in the measuring box 100.
In the maintenance process, the judgment of the phase line by the staff may have errors, and then the wiring error is caused. In order to avoid this phenomenon, in the present embodiment, optionally, the other side surface of the shielding main body 1 is provided with a plurality of indicators 2 at intervals, and each indicator 2 and the corresponding voltage terminal 300 in the measuring box 100 are located on the same axis perpendicular to the shielding main body 1. The number of the indication marks 2 can be set to four, and the four indication marks 2 are respectively in four colors of yellow, green, red and blue. In other embodiments, the indication marks 2 may also be signs, each sign is correspondingly attached to the outer side of the shielding body 1, and is located on the same axis perpendicular to the shielding body 1 as the voltage terminal 300 in the measuring box 100. Further, shield main part 1 and be equipped with four recesses, the sign pastes in the recess, and the degree of depth of recess is greater than the thickness of sign, and this setting can effectively prevent that the sign from being scraped.
The electric energy measurement joint terminal box mistake of this embodiment providing is prevented bumping insulator arrangement for insulating material. Preferably, the anti-collision insulating device of the electric energy metering combined junction box is made of PC plastic, the material is insulating on one hand, and on the other hand, the material is transparent, so that a worker can observe the condition in the metering box 100 in real time; in addition, combine index mark 2, can guide the quick accurate cable of disassembling corresponding phase sequence of staff, have the effect of preventing slow-witted.
Example two
The embodiment provides an electric energy metering combined junction box anti-collision insulating device, which has a structure basically the same as that of the embodiment, and is different from the embodiment in that the structure of a first baffle 1011 is different from that of the embodiment. In this embodiment, optionally, the first blocking piece 1011 is provided with a sixth blocking piece in the reverse extending direction of the second blocking piece 1012, the first blocking piece 1011 is provided with a seventh blocking piece in the reverse extending direction of the third blocking piece 1013, the voltage protection assembly 101 is in an H-shaped structure, and the sixth blocking piece and the seventh blocking piece are disposed on two sides of the voltage connecting piece 400 and the live terminal 200 and can surround the voltage connecting piece 400 and the live terminal 200. This setting can shelter from the live terminal 200's in the measurement box both sides completely, separates voltage terminal 300 and live terminal 200 more effectively, prevents that the staff from touching the emergence of the electric shock accident that voltage terminal 300 and lead to because of the mistake in maintenance or repair process.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, 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. The utility model provides an electric energy measurement is united terminal box and is prevented mistake and touch insulator arrangement which characterized in that includes:
the shielding main body (1) is of a cuboid structure, is matched with the metering box (100) and can shield a live wiring terminal (200) in the metering box (100);
the voltage protection components (101) are arranged in a plurality, the voltage protection components (101) are arranged on one side surface of the shielding main body (1) at intervals and can be in one-to-one correspondence with the voltage wiring terminals (300) in the metering box (100) respectively; the voltage protection assembly (101) comprises a first separation blade (1011), a second separation blade (1012) and a third separation blade (1013) which are connected to two ends of the first separation blade (1011), and the voltage protection assembly (101) is U-shaped; the first separation blade (1011) is matched between the voltage terminal (300) and the voltage connecting piece (400);
the current protection assembly (102) is arranged on the shielding main body (1) and is positioned between two adjacent voltage protection assemblies (101), an avoiding groove is reserved between the current protection assembly (102) and the voltage protection assemblies (101), and the avoiding groove is used for being matched with a partition for separating the metering box (100); the current protection component (102) can prevent objects from passing between the two voltage protection components (101);
the connecting part is arranged on the shielding main body (1) and is used for being connected with the metering box (100).
2. The electric energy metering combined junction box anti-collision insulation device according to claim 1, wherein four voltage protection components (101) are provided, and the four voltage protection components (101) are arranged on one side surface of the shielding main body (1) at intervals.
3. The electric energy metering combined junction box anti-collision insulating device as claimed in claim 1, wherein the thickness of the first separation blade (1011) is 1-2 mm.
4. The electrical energy metering combined junction box anti-collision insulating device according to claim 1, wherein the first separation blade (1011), the second separation blade (1012) and the third separation blade (1013) are integrally formed on the shielding main body (1).
5. The electrical energy metering combined junction box anti-collision insulation device as claimed in claim 1, wherein the current protection assembly (102) comprises a fourth separation blade (1021), and a side surface of the fourth separation blade (1021) far away from the first separation blade (1011) is flush with an end surface of the second separation blade (1012) on one side of the fourth separation blade far away from the first separation blade (1011).
6. The electric energy metering combined junction box anti-collision insulating device according to claim 5, wherein the current protection assembly (102) further comprises a rib plate, and the rib plate is used for reinforcing the fourth separation blade (1021).
7. The electric energy metering combined junction box anti-collision insulation device according to claim 1, wherein the connecting portions are two connecting through holes (103) respectively formed at two ends of the shielding main body (1), the two connecting through holes (103) correspond to two threaded holes (500) of the metering box (100), and a screw passes through the connecting through hole (103) and then is screwed with the threaded hole (500).
8. The electric energy metering combined junction box anti-collision insulating device according to claim 1, characterized in that a plurality of phase line indicators (2) are spaced on the other side of the shielding main body (1), and each indicator (2) and the corresponding voltage terminal (300) in the metering box (100) are located on the same axis perpendicular to the shielding main body (1).
9. The electric energy metering combined junction box anti-collision insulating device according to claim 8, wherein the number of the indicating marks (2) is four, and the colors of the four indicating marks (2) are yellow, green, red and blue respectively.
10. The electric energy metering and connecting box anti-collision insulating device as claimed in claim 1, wherein the electric energy metering and connecting box anti-collision insulating device is made of PC plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077895.0A CN112290491B (en) | 2020-10-10 | 2020-10-10 | Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077895.0A CN112290491B (en) | 2020-10-10 | 2020-10-10 | Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112290491A CN112290491A (en) | 2021-01-29 |
| CN112290491B true CN112290491B (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011077895.0A Active CN112290491B (en) | 2020-10-10 | 2020-10-10 | Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement |
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| CN (1) | CN112290491B (en) |
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| CN211428838U (en) * | 2019-11-20 | 2020-09-04 | 江苏新世纪机车科技有限公司 | Electricity terminal box that rubs |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209748127U (en) * | 2019-06-28 | 2019-12-06 | 广东电网有限责任公司 | Safe joint junction box |
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| DE102011008548A1 (en) * | 2011-01-12 | 2012-07-12 | Hager Electro Gmbh & Co. Kg | Device for connecting power cables |
| CN108140503A (en) * | 2016-02-12 | 2018-06-08 | 欧姆龙株式会社 | Control switch mechanism, trigger switch and electric tool |
| CN106602469A (en) * | 2017-02-16 | 2017-04-26 | 国网宁夏电力公司银川供电公司 | Overhead line insulation isolation device |
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| CN211428838U (en) * | 2019-11-20 | 2020-09-04 | 江苏新世纪机车科技有限公司 | Electricity terminal box that rubs |
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|---|---|
| CN112290491A (en) | 2021-01-29 |
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