CN217639239U - Multi-wiring direct current shunt - Google Patents
Multi-wiring direct current shunt Download PDFInfo
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- CN217639239U CN217639239U CN202221287646.9U CN202221287646U CN217639239U CN 217639239 U CN217639239 U CN 217639239U CN 202221287646 U CN202221287646 U CN 202221287646U CN 217639239 U CN217639239 U CN 217639239U
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Abstract
The utility model discloses a multi-wiring direct current shunt, which comprises a shunt body, wherein the shunt body comprises a first wiring copper bar, a second wiring copper bar and a plurality of manganese copper sheets connected between the first wiring copper bar and the second wiring copper bar in parallel; the first wiring copper bar and the second wiring copper bar are arranged oppositely, and the inner sides of the first wiring copper bar and the second wiring copper bar are respectively provided with a plurality of first bulges and second bulges which correspond to each other; two ends of the manganese copper sheet are respectively connected with the first bulge and the second bulge; the first wiring copper bar and the second wiring copper bar are respectively provided with a corresponding voltage output wiring end and a plurality of direct current input wiring ends; still include the shunt terminal box, the shunt body is through a plurality of screw fixed mounting in the inside of shunt terminal box, and the shunt terminal box includes terminal box base and terminal box seal cover that are connected through the seal screw. The utility model provides a multichannel direct current line can't insert the shunt simultaneously and measure, unsatisfied anti-electricity-theft requirement and install inconvenient problem.
Description
Technical Field
The utility model relates to a direct current shunt technical field, concretely relates to direct current shunt of working a telephone switchboard more.
Background
At present, most mobile communication base stations in China are shared stations, namely, the field, the alternating current power distribution and the direct current power supply of the base station are managed by an iron tower company and are responsible for providing required direct current 24V/48V power supplies for communication equipment of three operators, namely mobile operators, telecom operators, unicom operators and the like. The electric charge which is charged to the operator and is used for direct current power supply is collected, and because the communication base station is constructed earlier and an effective direct current metering means is lacked, a device rated power apportionment method is generally adopted. Later, due to the increase of 4G and 5G devices and the requirement of consumption reduction of base station devices, a rated power allocation method is not suitable any more, and a direct current metering scheme is urgently needed to solve the problem of cost allocation.
In order to solve the problem of direct current metering, some manufacturers propose to adopt a mode of a direct current electric energy meter and an open hall sensor to perform direct current metering, and the hall open transformer is sleeved on a plurality of direct current lines to perform metering simultaneously. Because the open Hall sensor lacks relevant national standard, is susceptible to threading position influence, direct current null shift big etc. factor, this method can't satisfy direct current measurement system requirement of tracing to the source, and the opening part also can't seal in addition, if someone changes the wiring and steals electricity, can't look over. Due to the reasons, the measurement and installation by adopting the Hall open-ended transformer are convenient, but are not approved by operators.
The mode of adopting direct current electric energy meter + shunt to carry out direct current measurement then is subject to the restriction of measurement return circuit number, because traditional shunt can only measure the electric current of the same way, and direct current circuit is the multichannel usually, uses a plurality of shunts can lead to the cost to increase, and the on-the-spot installation is inconvenient, and traditional shunt also does not have wiring seal design in addition, does not satisfy the anti-electricity-theft requirement. The length of two ends of an outlet wire of a traditional shunt is about 75mm, the width of manganin is about 10mm, the size is large, and the diverter is easy to twist and deform.
SUMMERY OF THE UTILITY MODEL
The utility model provides a direct current shunt of working a telephone switchboard more, its purpose: the defects of the prior art are overcome, and the problems that a shunt cannot be connected to a multi-path direct current line at the same time for metering, the electricity larceny prevention requirement cannot be met and the installation is inconvenient are solved.
The utility model discloses technical scheme as follows:
a multi-wiring direct current shunt comprises a shunt body, wherein the shunt body comprises a first wiring copper bar, a second wiring copper bar and a plurality of manganese copper sheets connected in parallel between the first wiring copper bar and the second wiring copper bar; the first wiring copper bar and the second wiring copper bar are arranged oppositely, and the inner sides of the first wiring copper bar and the second wiring copper bar are respectively provided with a plurality of first bulges and second bulges which correspond to each other; two ends of the manganese copper sheet are respectively connected with the first bulge and the second bulge; and the first wiring copper bar and the second wiring copper bar are respectively provided with a corresponding voltage output wiring end and a plurality of direct current input wiring ends.
Further, the multi-wiring direct current shunt further comprises a shunt junction box, the shunt body is fixedly installed inside the shunt junction box through a plurality of screws, the shunt junction box comprises a junction box base and a junction box seal cover, and the junction box base and the junction box seal cover are connected through seal screws.
Furthermore, the inner side of the junction box base is provided with a plurality of frameworks used for supporting the shunt body.
Furthermore, a clamping groove for installing a guide rail is arranged on the outer side of the junction box base.
Furthermore, the top of the junction box base is provided with a hanging lug for wall-mounted installation.
Further, the direct current input terminal and the voltage output terminal are screw holes.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) The connecting copper bars at the two end parts of the shunt body are provided with a plurality of direct current input connecting ends, so that the problem of on-site multi-path direct current circuit access is solved, the wiring is convenient, the manganin sheet at the middle part adopts a split design, the length of the shunt is shortened, the integral hardness is greatly improved, the deformation of the shunt can be avoided, and the on-site installation is convenient;
(2) The sealing screw is arranged on the sealing cover of the junction box, so that the wire changing and electricity stealing can be effectively prevented;
(3) The support framework on the inner side of the wiring box base can effectively prevent the shunt from deforming;
(4) The utility model discloses the wiring is nimble, saves the cost, and the size is little, supports guide tracked and hanging installation, can install in the narrow and small equipment cabinet in space to convenient transformation.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the diverter body;
FIG. 3 is a front view of the terminal block base;
fig. 4 is a left side view of the terminal block base.
Detailed Description
The technical scheme of the utility model is explained in detail in the following with the attached drawings:
referring to fig. 1, the multi-wiring direct current shunt comprises a shunt body, wherein the shunt body comprises a first wiring copper bar 1, a second wiring copper bar 2 and a plurality of manganese copper sheets 3 connected between the first wiring copper bar 1 and the second wiring copper bar 2 in parallel; the first wiring copper bar 1 and the second wiring copper bar 2 are arranged oppositely, and the inner sides of the first wiring copper bar 1 and the second wiring copper bar 2 are respectively provided with a plurality of first bulges 1-1 and second bulges 2-1 which correspond to each other; two ends of the manganese copper sheet 3 are respectively connected with the first bulge 1-1 and the second bulge 2-1; the first wiring copper bar 1 and the second wiring copper bar 2 are respectively provided with a corresponding voltage output wiring terminal 2-3 and a plurality of direct current input wiring terminals 2-2, the direct current input wiring terminals 2-2 and the voltage output wiring terminals 2-3 are screw holes, when the device is used on site, screws of corresponding types are screwed into the screw holes, and the corresponding direct current input wiring or the voltage output wiring is connected with the screws. In this embodiment, two wiring copper bars are respectively designed with 6M 5 screw holes as dc input wiring ends 2-2 for accessing to an on-site dc circuit, so that the same operator on site can access to a plurality of dc devices conveniently, and the M4 screw holes at the raised portions of the wiring copper bars are used as voltage output wiring ends 2-3 for connecting to an electric energy meter for sampling.
The multi-wiring direct current shunt further comprises a shunt junction box, the shunt body is fixedly mounted inside the shunt junction box through a plurality of screws, and the shunt junction box comprises a junction box base 4 and a junction box seal cover 5 which are connected through seal screws 5-1. After the on-site wiring is finished, the terminal box sealing cover 5 is fixed and then sealed, so that the subsequent wire changing and electricity stealing behaviors are prevented.
As shown in fig. 3 and 4, a plurality of frames 4-2 for supporting the shunt body are disposed on the inner side of the junction box base 4 to ensure the shunt is stable and does not deform. The outer side of the junction box base 4 is provided with a clamping groove 4-3 for installing a guide rail 4-4, the top of the junction box base 4 is provided with a hanging lug 4-1 for wall hanging installation, and the installation mode is flexible.
When the direct current metering device is implemented on site, a direct current wiring loop of the same operator is connected to the same multi-wiring shunt, for example, three operators can respectively use three multi-wiring shunts for wiring, and then a multi-path direct current electric energy meter is matched for direct current electric energy metering, so that the problem of sharing the direct current metering electric charge of the multiple operators of the communication base station can be solved.
Claims (6)
1. The utility model provides a many wiring direct current shunt, includes the shunt body, its characterized in that: the current divider body comprises a first wiring copper bar (1), a second wiring copper bar (2) and a plurality of manganese copper sheets (3) connected in parallel between the first wiring copper bar and the second wiring copper bar; the first wiring copper bar (1) and the second wiring copper bar (2) are arranged oppositely, and the inner sides of the first wiring copper bar and the second wiring copper bar are respectively provided with a plurality of first bulges (1-1) and second bulges (2-1) which correspond to each other; two ends of the manganese copper sheet (3) are respectively connected with the first bulge (1-1) and the second bulge (2-1); and the first wiring copper bar (1) and the second wiring copper bar (2) are respectively provided with a corresponding voltage output wiring terminal (2-3) and a plurality of direct current input wiring terminals (2-2).
2. The multi-wire dc shunt of claim 1, wherein: still include the shunt terminal box, the shunt body through a plurality of screw fixed mounting in the inside of shunt terminal box, the shunt terminal box includes terminal box base (4) and terminal box seal cover (5), terminal box base (4) and terminal box seal cover (5) are connected through seal screw (5-1).
3. The multi-wire dc shunt of claim 2, wherein: the inner side of the junction box base (4) is provided with a plurality of frameworks (4-2) used for supporting the shunt body.
4. The multi-wire dc shunt of claim 2, wherein: and a clamping groove (4-3) for mounting the guide rail (4-4) is formed in the outer side of the junction box base (4).
5. The multi-wire dc shunt of claim 2, wherein: the top of the junction box base (4) is provided with a hanging lug (4-1) for wall hanging installation.
6. A multi-wire DC shunt according to any one of claims 1 to 5, wherein: the direct current input terminal (2-2) and the voltage output terminal (2-3) are screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221287646.9U CN217639239U (en) | 2022-05-27 | 2022-05-27 | Multi-wiring direct current shunt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221287646.9U CN217639239U (en) | 2022-05-27 | 2022-05-27 | Multi-wiring direct current shunt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217639239U true CN217639239U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221287646.9U Active CN217639239U (en) | 2022-05-27 | 2022-05-27 | Multi-wiring direct current shunt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116647984A (en) * | 2023-06-10 | 2023-08-25 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
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2022
- 2022-05-27 CN CN202221287646.9U patent/CN217639239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116647984A (en) * | 2023-06-10 | 2023-08-25 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
| CN116647984B (en) * | 2023-06-10 | 2024-05-28 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
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