CN211426653U - Portable distribution network terminal DTU debugging switching device - Google Patents
Portable distribution network terminal DTU debugging switching device Download PDFInfo
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- CN211426653U CN211426653U CN201921644646.8U CN201921644646U CN211426653U CN 211426653 U CN211426653 U CN 211426653U CN 201921644646 U CN201921644646 U CN 201921644646U CN 211426653 U CN211426653 U CN 211426653U
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Abstract
The utility model relates to a distribution network terminal debugging technical field specifically is a portable distribution network terminal DTU debugging switching device. Including portable main tank and portable line case, portable line case is used for holding the dress connecting wire, be provided with the device panel in the portable main tank, device panel below is provided with detection secondary circuit and required relay, binding post and power module, be provided with switching terminal socket, a plurality of pilot lamp and the secondary switch of pluggable connection connecting terminal on the device panel. The utility model simplifies the operation flow, greatly shortens the debugging time and improves the working efficiency; the fault location is more accurate.
Description
Technical Field
The utility model relates to a distribution network terminal debugging technical field specifically is a portable distribution network terminal DTU debugging switching device.
Background
DTU: the station terminal is an intelligent power distribution terminal and is divided into a three-remote DTU, a two-remote standard DTU and a two-remote action DTU. The Wuzhong power distribution network uses a 'three-remote' DTU, is used for a switching station, a ring main unit, a branch box, a distribution room and the like with more incoming and outgoing lines, and is communicated with an automatic main station in real time in an optical fiber communication mode to acquire operation information and locate faults of a key station room, so that the acquisition functions of operation information such as a remote control function of switching, remote signaling of switching, remote measurement and the like can be realized.
In the cabinet body debugging working process, the main work, namely mechanism and secondary circuit checking, DTU parameter downloading and checking, checking of each interval protection device and signal checking with an automatic master station, takes about 2 hours, and the time accounts for 67 percent of the total time. Greatly delays the time for debugging the cabinet body. The working time of 3 links of secondary circuit inspection, DTU debugging, signal checking in cabinet body debugging work is longer and causes the power transmission of overtime.
During debugging, a regulation center is required to be matched with field workers. However, the regulation and control center works more, the debugging work can be shelved, the call can be suspended when the call is waited, and the working time is prolonged. In the debugging process, the signal malfunction can also occur. The secondary circuit of the inspection cabinet body needs to be matched with the DTU background display or the automatic host station background monitoring picture for inspection on the premise of confirming that the DTU configuration is correct, the change of the electrical quantity generates signal deflection, and besides a required signal, a false alarm signal can be generated. The misoperation of the signal can affect the operation and maintenance indexes such as remote signaling accuracy, remote control utilization rate, remote control success rate and the like in the automatic daily operation and maintenance. The faster the debugging work, the smaller the influence on the safe and stable operation of the power grid, but because the device is not universal, the original debugging method has many uncertain factors, and the debugging speed and the debugging effect are seriously influenced.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a portable distribution network terminal DTU debugging switching device.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a portable distribution network terminal DTU debugging switching device, includes portable main tank and portable line case, portable line case is used for holding the dress connecting wire, be provided with the device panel in the portable main tank, device panel below is provided with detects secondary circuit and required relay, binding post and power module, be provided with switching terminal socket, a plurality of pilot lamp and the secondary switch of pluggable connection connecting terminal on the device panel.
Further, the power module comprises a 220V alternating current/direct current module and an internal 24V storage battery.
Further, the portable main box is an aluminum alloy density board box.
Furthermore, the end connection of connecting wire has connecting terminal, connecting terminal is the EDGRK5.08mm plug-in terminal that can cooperate the connection switching terminal.
Furthermore, the device panel is made of acrylic plates.
Has the advantages that: the device of the utility model has obvious access points, and can reduce the operation time; the secondary loop position detection node is clear, the DTU can be correctly accessed to the power distribution network terminal, the loop is reliable, and the operation is stable; the DTU and the secondary circuit are separately tested, so that the fault can be more accurately positioned; the device can effectively reduce signal misoperation after being connected into the cabinet body; an internal storage battery is arranged in the device, and short-term outdoor debugging operation can be performed.
Drawings
Fig. 1 is a schematic diagram of a main structure of a portable power distribution network terminal DTU debugging and switching device;
FIG. 2 is a schematic diagram of a signal loop of a secondary loop;
in the figure, a main box 1, a secondary switch 11, a power module 12, a connecting terminal 13, an indicator lamp 14, a device panel 15, a switching terminal socket 16, a handle 17, a wire box 2, a connecting wire 21 and a connecting terminal 22.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
The DTU of the sigma/south Rui cabinet body is multifunctional terminal equipment integrating remote signaling, remote measuring, remote control and sensor acquisition. The DTU backplate adopts row's of inserting wiring, and cabinet body secondary part adopts the point-to-point connecing of terminal to the DTU box in, for aviation plug nature wiring, has the wiring clear, changes to connect the convenience, and compact structure waits advantage and by wide application, and this embodiment designs a portable distribution network terminal DTU debugging switching device to the DTU of the toma/south rui cabinet body.
Fig. 1 to 2 show a portable distribution network terminal DTU debugging and switching device, which includes a portable main box 1 and a portable cable box 2, both of which are provided with handles 17 for carrying; the portable wire box 2 is used for bearing and installing a connecting wire 21, a device panel 15 is arranged in the portable main box 1, a detection secondary circuit, a relay, a wiring terminal 13 and a power module 12 which are required by the detection secondary circuit are arranged below the device panel 15, and a switching terminal socket 16, a plurality of indicating lamps 14 and a secondary switch 11 which can be connected with a connecting terminal 2213 in a plugging mode are arranged on the device panel 15.
As shown in fig. 2, this loop is a signal loop of a switch node, and 18 loops are required to be connected into the device according to the requirements of the sigma/south-rayl cabinet. 1ZJ and 2ZJ are time relays, and the adjustable 3ZJ is a time relay and is used for simulating a circuit breaker.
The power module 12 comprises an external 220V AC/DC module, an internal 24V storage battery and a corresponding air switch. The external 220V alternating current power supply can be connected, the internal storage battery can be used for supplying power, the internal wiring is simple, and the use is simple.
The portable main box 1 and the portable wire box 2 are both aluminum alloy density plate boxes; the main box 1 is used for bearing devices, terminals and internal matching wires thereof, so that certain impact resistance and static bearing capacity are required. Meanwhile, the device can adapt to the working environment of a common site, and the situation that the safety of personnel, equipment and a power grid is threatened due to the change of temperature and the like can be avoided in normal use. The material ductility is better, and the aluminium alloy part can trompil processing, and the repacking degree of freedom is high, and performance does not have the decline after the trompil. The aluminum alloy lapped framework is filled with the density boards, the holes are conveniently formed in the later period of the aluminum alloy, the aluminum alloy lapped framework can be machined again, the weight is appropriate, and the aluminum alloy lapped framework is convenient to carry. The wire box 2 is used for loading the matching connecting wires 21, and can ensure that the wires are not affected with damp and scattered and have certain shock resistance in the process of transportation and handling.
The end connection of connecting wire 21 has connecting terminal 22, connecting terminal 22 is the EDGRK5.08mm plug-in terminal that can cooperate the connection switching terminal. The connection terminals 22 are connected by adopting a screw fastening method, although the connection tightness is not as good as welding, the related requirements of heating amount are met, the wiring operation is simple, the success rate is high, the cold-pressed joint insulation technology is mature and stable, and the reliability is high.
The device panel 15 is mainly used for carrying equipment and the connection terminal 13. The device is required to have certain bearing capacity, not only can bear the weight of the device, but also can bear the operation load when a person inserts and pulls the terminal and the impact of objects falling in an unexpected situation. The acrylic plate is selected for the embodiment. The connecting wire 21 adopts a multi-core wire of 1.5mm 2.
Obviously, the utility model has the advantages that: the device of the utility model has obvious access points, and can reduce the operation time; the secondary loop position detection node is clear, the DTU can be correctly accessed to the power distribution network terminal, the loop is reliable, and the operation is stable; the DTU and the secondary circuit are separately tested, so that the fault can be more accurately positioned; the device can effectively reduce signal misoperation after being connected into the cabinet body; an internal storage battery is arranged in the device, and short-term outdoor debugging operation can be performed.
Example two
Based on the debugging method of the portable power distribution network terminal DTU debugging and switching device, the power distribution network terminal DTU and a secondary circuit are separately tested, the portable power distribution network terminal DTU debugging and switching device is connected with the power distribution network terminal DTU cabinet body, whether the power distribution network terminal DTU normally operates or not is detected, and the detection result is displayed through the corresponding indicator lamp 14.
The portable main box 1 and the portable line box 2 are brought to a debugging position, the terminal of the power distribution network terminal DTU and the terminal of the secondary loop are pulled out, one end of the connecting line 21 in the line box 2 is connected with the switching terminal in the portable main box 1 in an inserting mode, the other end of the connecting line is connected with the power distribution network terminal DTU in an inserting mode, and debugging can be started.
After the device and the method are adopted, the cabinet debugging time is shortened to 90.2 minutes from the original 171.6 minutes. The debugging step is optimized; the repetitive work in the work is reduced; the call waiting time is reduced; signal glitches are reduced. "
The device and the method fundamentally change the original cabinet debugging process, greatly shorten the operation time of personnel, avoid the fatigue of the vision and muscles of the personnel caused by high-strength tension work in the operation process of the personnel, and reduce the work risk. The use of the new device also enables the operation function of the DTU in the debugging process to be improved, thereby facilitating the monitoring of regulation and control personnel and reducing the risk of misoperation caused by equipment problems.
To sum up, the utility model discloses obvious beneficial effect does: because the terminal debugging device is adopted, the coordination between a regulation center and field workers is not needed, an intermediate flow link is omitted, the operation flow is simplified, the debugging time is greatly shortened, and the working efficiency is improved; the fault location is more accurate.
The above description is only the specific embodiment of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution of the present invention and the inventive concept thereof within the technical scope of the present invention.
Claims (3)
1. The utility model provides a portable distribution network terminal DTU debugging switching device, its characterized in that, includes portable main tank and portable line case, portable line case is used for holding the dress connecting wire, be provided with the device panel in the portable main tank, device panel below is provided with detects secondary circuit and required relay, binding post and power module, be provided with switching terminal socket, a plurality of pilot lamp and the secondary switch that can peg graft and connect connecting terminal on the device panel.
2. The debugging adapter device of claim 1, wherein the power module comprises an external 220V ac/dc module and an internal 24V battery.
3. The commissioning adaptor of claim 1 wherein said portable main box is an aluminum alloy clad density plate box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921644646.8U CN211426653U (en) | 2019-09-29 | 2019-09-29 | Portable distribution network terminal DTU debugging switching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921644646.8U CN211426653U (en) | 2019-09-29 | 2019-09-29 | Portable distribution network terminal DTU debugging switching device |
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| CN211426653U true CN211426653U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579663A (en) * | 2019-09-29 | 2019-12-17 | 国网宁夏电力有限公司吴忠供电公司 | Portable power distribution network terminal DTU debugging switching device and debugging method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579663A (en) * | 2019-09-29 | 2019-12-17 | 国网宁夏电力有限公司吴忠供电公司 | Portable power distribution network terminal DTU debugging switching device and debugging method |
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