CN216720599U - Power distribution terminal DTU cabinet with rotatable terminal row - Google Patents
Power distribution terminal DTU cabinet with rotatable terminal row Download PDFInfo
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- CN216720599U CN216720599U CN202122815236.9U CN202122815236U CN216720599U CN 216720599 U CN216720599 U CN 216720599U CN 202122815236 U CN202122815236 U CN 202122815236U CN 216720599 U CN216720599 U CN 216720599U
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Abstract
The utility model discloses a power distribution terminal DTU cabinet with a rotatable terminal strip, which comprises a cabinet, a communication facility part, a power distribution terminal part, a power module part, an air switch conversion part and a power storage part, wherein the communication facility part, the power distribution terminal part, the power module part, the air switch conversion part and the power storage part are arranged in the cabinet from top to bottom. The support comprises two groups of fixed transverse insulating supports and a fixed vertical insulating support vertically arranged between the two groups of fixed transverse insulating supports; the rotating shafts are provided with two groups and are respectively arranged on the cabinet bodies on the two sides of the cavity, and the shaft rods of the rotating shafts are sleeved with rotatable shaft sleeves; the terminal row is provided with a plurality of groups, one end of the terminal row is fixedly connected with the shaft sleeve, and the other end of the terminal row is detachably fixed on the fixed vertical insulating support. The utility model can rapidly complete the secondary circuit maintenance and recover the normal use, has simple, rapid and convenient operation, does not influence the non-fault interval secondary circuit, and improves the maintenance, operation and maintenance efficiency of the terminal secondary circuit.
Description
Technical Field
The utility model relates to a power distribution terminal DTU cabinet, in particular to a power distribution terminal DTU cabinet with a rotatable terminal strip.
Background
With the rapid development of national economy, the requirements of power consumers on power supply reliability and power supply service are higher and higher. Distribution network protection and automation technology have become mature day by day, and its degree of practicality also constantly improves, and the use of putting into operation of distribution network automation equipment plays an important role to improving distribution network power supply reliability and operation management efficiency.
Shenzhen distribution network automation construction has been changed from adopting the automatic upgrading of primary switchgear to adopting the automatic distribution terminal DTU cabinet of complete set to realize the distribution network automation function, Shenzhen distribution network automation level promotes and has got into the motorway. The complete set of automatic power distribution terminal DTU cabinet is more and more common in Shenzhen power distribution network automation construction, and is important equipment for power distribution network equipment upgrading, quality improvement, efficiency improvement and safety production.
The distribution terminal DTU cabinet automation device mainly has two configuration schemes, one is the centralized installation of the device, namely the automation device of each switch is centrally installed in an independent control cabinet and is connected with secondary circuits of switch remote signaling, remote measuring, remote control and the like through a control cable; the other is distributed installation of devices, namely, automation devices of all switches are distributed and installed in a secondary chamber of the switch, and secondary loops of switch remote signaling, remote measurement, remote control and the like are directly realized through internal wiring.
Shenzhen distribution network automation device concentrates the installation mode, and remote signalling, telemetering measurement and the remote control return circuit of all switch intervals are all concentrated in distribution terminal DTU cabinet. Each type of equipment and secondary terminal row are contained in the power distribution terminal DTU, and all switch intervals do not have independent control devices, and need to be connected with the power distribution terminal DTU loop through power supply cable and control cable, and this mode can satisfy the automatic transformation condition of Shenzhen conventional power distribution terminal DTU cabinet. Because various types of equipment and all secondary circuits such as interval remote signaling, remote measuring and remote control in the power distribution terminal DTU are uniformly installed in a secondary chamber of the power distribution terminal DTU, the internal space of the DTU is narrow, the secondary circuit and terminals thereof are not clearly identified, when the secondary circuit of the equipment breaks down, the on-site fault finding is difficult, the secondary wiring and the terminals are dense, the fault finding easily causes equipment misoperation, even the fault range is enlarged, good maintenance conditions are required to be met after the power failure of primary equipment, and the power supply reliability is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the situation that the power distribution terminal DTU cabinet is returned for a long time in the condition of equipment secondary circuit maintenance and fault in the prior art, the utility model provides the power distribution terminal DTU cabinet with the rotatable terminal row. The utility model aims to solve the practical problems that the normal operation of primary equipment is influenced when a secondary circuit of the equipment is overhauled and failed because remote signaling, remote measuring and remote control circuits of all intervals of a power distribution terminal DTU cabinet are all centralized in the power distribution terminal DTU cabinet.
In order to solve the technical problem, the utility model is realized by the following scheme: the utility model discloses a power distribution terminal DTU cabinet with a rotatable terminal strip, which comprises a cabinet, a communication facility part, a power distribution terminal part, a power module part, an air switch conversion part and a power storage part, wherein the communication facility part, the power distribution terminal part, the power module part, the air switch conversion part and the power storage part are arranged in the cabinet from top to bottom, the DTU cabinet also comprises a terminal strip part, the terminal strip part is arranged in a cavity between the switch conversion part and the power storage part, and the DTU cabinet comprises:
the bracket comprises two groups of fixed transverse insulating brackets which are arranged in the cabinet transversely and vertically, and a fixed vertical insulating bracket which is arranged between the two groups of fixed transverse insulating brackets vertically;
the rotating shafts are provided with two groups and are respectively arranged on the cabinet bodies on the two sides of the cavity, and the shaft rods of the rotating shafts are sleeved with rotatable shaft sleeves;
and the terminal strip is provided with a plurality of groups, one end of the terminal strip is fixedly connected with the shaft sleeve, and the other end of the terminal strip is detachably fixed on the fixed vertical insulating support.
Furthermore, the terminal row is arranged on a terminal guide rail, one end of the terminal guide rail is fixed on the shaft sleeve, and the other end of the terminal guide rail is detachably fixed on the fixed vertical insulating support.
Furthermore, the cable connection on the back of the terminal row is a back-winding type cable connection, and the back-winding type cable connection is laid from a terminal leading-out point to the rear of the terminal row and is laid on the terminal guide rail.
Furthermore, the rod body of the rotating shaft is provided with transverse corrugations.
Compared with the prior art, the utility model has the beneficial effects that: the DTU cabinet of the power distribution terminal solves the practical problems that the normal operation of primary equipment is influenced when a secondary loop of the DTU cabinet of the power distribution terminal is overhauled and failed, avoids misoperation on the primary equipment in the process of overhauling and failing the secondary loop, and reduces the influence on the reliability of power supply.
The rotatable secondary circuit quick overhaul terminal block of the power distribution terminal DTU cabinet provided by the utility model is used as a terminal guide rail through the connecting rod type bracket, and then the rotation of the terminal block is realized through the rotating shaft; distribution terminal DTU device secondary cable of being qualified for the next round of competitions, draw forth the point from terminal DTU device and lay to the terminal row after, be fixed in terminal guide rail rear side, adopt from the terminal row rear side and walk around terminal row mode access terminal link, accomplish the connection of device secondary circuit, form all spaced remote signalling, telemetering measurement and remote control return circuit access point on the terminal row, satisfy distribution terminal DTU cabinet secondary circuit connection demand. The rotatable secondary circuit quick overhaul terminal block can be suitable for various standard power distribution terminal DTUs including a two-remote-four-unit DTU, a three-remote-six-unit DTU and the like.
When operations such as normal overhaul of a secondary circuit, fault detection and the like are performed, only the terminal row of the rotatable secondary circuit quick overhaul corresponding to a switch interval at a power distribution terminal needs to be screwed out, then a secondary control cable corresponding to the switch interval is pulled out, then all secondary circuits are detected, the secondary circuit with the fault is tested, finally, the fault circuit is searched and overhauled, the secondary circuit is started to operate after being screwed in after the fault is eliminated, the switch interval secondary circuit is ensured to be normally overhauled and subjected to fault detection, the secondary circuit overhaul can be quickly completed and normal use can be recovered, the operation is simple, quick and convenient, the influence on the secondary circuit with the non-fault interval can not be caused, the overhaul of the terminal secondary circuit and the operation and maintenance efficiency are improved.
Drawings
Fig. 1 is a schematic structural view of a terminal block of the present invention at a power distribution terminal DTU.
Fig. 2 is a schematic top view of the terminal block structure of the present invention.
Fig. 3 is a side view of the terminal block structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and thus the protection scope of the present invention is more clearly and clearly defined. It should be apparent that the described embodiments of the present invention are only some embodiments of the present invention, and not all embodiments. 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1: the concrete structure of the utility model is as follows:
referring to fig. 1-3, the power distribution terminal DTU cabinet with a rotatable terminal strip of the present invention includes a cabinet 6, and a communication facility portion 7, a power distribution terminal portion 8, a power module portion 9, an air switch conversion portion 10, and a power storage portion 14 installed in the cabinet 6 from top to bottom, wherein the communication facility portion 7, the power distribution terminal portion 8, the power module portion 9, the air switch conversion portion 10, and the power storage portion 14 are connected by an existing circuit, and a power source of the power storage portion 14 is a storage battery.
The power module part 9 is connected to a transverse rail 11 in a sliding manner, and a plurality of waist-round holes are formed in the transverse rail 11 and used for positioning the power module part 9.
The air switch conversion part 10 is connected to another transverse rail 11 in a sliding manner, the two transverse rails 11 are distributed up and down, and a plurality of waist-round holes are formed in the transverse rail 11 on the lower side and used for positioning the air switch conversion part 10.
The power distribution terminal DTU cabinet further includes a terminal strip portion 13, the terminal strip portion 13 is disposed in a cavity between the switch converting portion 10 and the power storage portion 14, and includes:
the support comprises two groups of fixed transverse insulating supports 5 which are vertically and transversely arranged in the cabinet 6 and a fixed vertical insulating support 4 which is vertically arranged between the two groups of fixed transverse insulating supports 5;
the rotating shafts 2 are provided with two groups and are respectively arranged on the cabinet bodies on the two sides of the cavity, and the shaft lever of each rotating shaft 2 is sleeved with a rotatable shaft sleeve 12;
the terminal row 1 is provided with a plurality of groups, one end of the terminal row 1 is fixedly connected with the shaft sleeve 12, and the other end of the terminal row is detachably fixed on the fixed vertical insulating support 4.
A preferred technical solution of this embodiment: the terminal strip 1 is arranged on a terminal guide rail, one end of the terminal guide rail is fixed on the shaft sleeve 12, and the other end of the terminal guide rail is detachably fixed on the fixed vertical insulating support 4.
A preferred technical solution of this embodiment: the cable connection on the back of the terminal row 1 is a back-winding type cable connection 3, and the back-winding type cable connection 3 is laid to the rear of the terminal row 1 from a terminal leading-out point and is laid on the terminal guide rail.
A preferred technical solution of this embodiment: the body of the rotating shaft 2 is provided with transverse corrugations.
Example 2:
as shown in fig. 1-3, the terminal rail can also be called a link-type bracket, which holds various types of connection terminals and is followed by the routing positions of the backwound cable connections 3 on the rear side.
In fig. 1, four sets of terminal rows 1 are provided, each two of the four sets of terminal rows 1 are connected to two sides of the fixed vertical insulating support 4, and the two sets of terminal rows 1 on the same side are arranged up and down.
Each rotating shaft 2 is rotatably provided with four shaft sleeves 12, one end of each of two groups of terminal blocks 1 on the same side is connected to the two shaft sleeves 12 in the middle, and the terminal blocks 1 can rotate on the horizontal circumferential surface by taking the shaft sleeves 12 as fulcrums. And the ear plate at the other end of the terminal row 1 is fixed on the fixed vertical insulating support 4 through a screw.
The distribution terminal DTU cabinet provided by the utility model solves the practical problems that the normal operation of primary equipment is influenced when a secondary circuit of a distribution terminal DTU is overhauled and failed, avoids the misoperation of the primary equipment in the process of overhauling and failing the secondary circuit, and reduces the influence on the power supply reliability.
The rotatable secondary circuit quick overhaul terminal block of the power distribution terminal DTU cabinet provided by the utility model is used as a terminal guide rail through the connecting rod type bracket, and then the rotation of the terminal block is realized through the rotating shaft; distribution terminal DTU device secondary cable of being qualified for the next round of competitions, draw forth the point from terminal DTU device and lay to the terminal row after, be fixed in terminal guide rail rear side, adopt to walk around terminal row mode access terminal link from the terminal row rear side, accomplish the connection of device secondary circuit, form all spaced remote signalling, telemetering measurement and remote control return circuit access points on the terminal row, satisfy distribution terminal DTU cabinet secondary circuit connection demand. The rotatable secondary circuit quick overhaul terminal block can be suitable for various standard power distribution terminal DTUs including a two-remote-four-unit DTU, a three-remote-six-unit DTU and the like.
When operations such as normal overhaul of a secondary circuit, fault detection and the like are performed, only the terminal row of the rotatable secondary circuit quick overhaul corresponding to a switch interval at a power distribution terminal needs to be screwed out, then a secondary control cable corresponding to the switch interval is pulled out, then all secondary circuits are detected, the secondary circuit with the fault is tested, finally, the fault circuit is searched and overhauled, the secondary circuit is started to operate after being screwed in after the fault is eliminated, the switch interval secondary circuit is ensured to be normally overhauled and subjected to fault detection, the secondary circuit overhaul can be quickly completed and normal use can be recovered, the operation is simple, quick and convenient, the influence on the secondary circuit with the non-fault interval can not be caused, the overhaul of the terminal secondary circuit and the operation and maintenance efficiency are improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A power distribution terminal DTU cabinet with a rotatable terminal strip, comprising a cabinet (6), and a communication facility section (7), a power distribution terminal section (8), a power module section (9), an air switch switching section (10) and a power storage section (14) installed from top to bottom in the cabinet (6), characterized by further comprising a terminal strip section (13), the terminal strip section (13) being provided in a chamber between the switch switching section (10) and the power storage section (14), which comprises:
the support comprises two groups of fixed transverse insulating supports (5) which are arranged in the cabinet (6) in an up-and-down transverse mode and a fixed vertical insulating support (4) which is vertically arranged between the two groups of fixed transverse insulating supports (5);
the rotating shafts (2) are provided with two groups and are respectively arranged on the cabinet bodies on the two sides of the cavity, and the shaft lever of each rotating shaft (2) is sleeved with a rotatable shaft sleeve (12);
the terminal row (1) is provided with a plurality of groups, one end of the terminal row (1) is fixedly connected with the shaft sleeve (12), and the other end of the terminal row is detachably fixed on the fixed vertical insulating support (4).
2. The DTU cabinet for electric distribution terminals with rotatable terminal block according to claim 1, characterized in that the terminal block (1) is mounted on a terminal rail, which is fixed at one end to the bushing (12) and at the other end detachably to the fixed vertical insulating support (4).
3. A power distribution terminal, DTU, cabinet with a rotatable terminal block, according to claim 2, characterized in that the cable connections at the back of the terminal block (1) are back-wound cable connections (3), which back-wound cable connections (3) run from terminal exit points to the back of the terminal block (1) and run on the terminal guide rails.
4. The DTU cabinet for electric distribution terminals with rotatable terminal blocks as claimed in claim 1, characterized in that the shaft body of the rotary shaft (2) is provided with transverse corrugations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122815236.9U CN216720599U (en) | 2021-11-17 | 2021-11-17 | Power distribution terminal DTU cabinet with rotatable terminal row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122815236.9U CN216720599U (en) | 2021-11-17 | 2021-11-17 | Power distribution terminal DTU cabinet with rotatable terminal row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216720599U true CN216720599U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122815236.9U Active CN216720599U (en) | 2021-11-17 | 2021-11-17 | Power distribution terminal DTU cabinet with rotatable terminal row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216720599U (en) |
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2021
- 2021-11-17 CN CN202122815236.9U patent/CN216720599U/en active Active
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