CN216718521U - Portable distribution lines current detection device - Google Patents
Portable distribution lines current detection device Download PDFInfo
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- CN216718521U CN216718521U CN202122484347.6U CN202122484347U CN216718521U CN 216718521 U CN216718521 U CN 216718521U CN 202122484347 U CN202122484347 U CN 202122484347U CN 216718521 U CN216718521 U CN 216718521U
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- detection device
- module
- current detection
- distribution line
- line current
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Abstract
The utility model relates to the technical field of distribution line detection, in particular to a portable distribution line current detection device. The portable distribution line current detection device comprises two semicircular movable plates which are oppositely arranged, one ends of the two movable plates are respectively connected with a waterproof shell, the end parts of the other ends of the two movable plates are oppositely arranged and provided with gaps, and coils are wound on the movable plate bodies; a protection circuit module is arranged in the waterproof shell and connected with a current sampling circuit module, the current sampling circuit module is connected with a main control module, and the main control module is connected with a power management module, a communication module and a battery; the coil is connected with the protection circuit module. A portable distribution line current detection device for rapidly testing line current is provided.
Description
Technical Field
The utility model relates to the technical field of distribution line detection, in particular to a portable distribution line current detection device.
Background
At present, in recent years, the number of low-voltage and medium-voltage distribution circuits in China is gradually increased, and besides underground cables are changed from partial circuits in cities, most of areas are overhead circuits, so that the task of managing and controlling the circuits is heavier. In order to prevent hidden external damage hazards caused by tree growth, large-scale mechanical construction and the like and meet the requirements of quickly confirming fault positions after tripping accidents occur, devices such as a visual monitoring device based on a CT power taking mode, a fault indicator and the like are installed in related units, but the maintenance problems caused by the devices are increasingly prominent. Because not all shaft towers of distribution network line have all installed intelligent terminal unit FTU, the electric current of a certain branch line can not be confirmed, and then has formed the mode of "installing earlier and tracking", however no matter visual monitoring device or fault indicator all have minimum starting current, if unsatisfied this electric current, equipment will normally work. According to investigation, no device for rapidly testing the line current is available at present.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, and the portable distribution line current detection device for quickly testing the line current is provided.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the portable distribution line current detection device comprises two semicircular movable plates which are oppositely arranged, one ends of the two movable plates are respectively connected with the waterproof shell, the end parts of the other ends of the two movable plates are oppositely arranged and provided with gaps, and coils are wound on the movable plate bodies;
a protection circuit module is arranged in the waterproof shell and connected with a current sampling circuit module, the current sampling circuit module is connected with a main control module, and the main control module is connected with a power management module, a communication module and a battery;
the coil is connected with the protection circuit module.
One end, far away from the waterproof shell, of the movable plate is connected with an opening rod, and the two opening rods are symmetrically arranged relative to a gap between the two movable plates.
The opening rod is arranged in an arc shape.
One end of the movable plate, which is far away from the waterproof shell, is fixedly connected with one end of the corresponding opening rod, and the other end of the opening rod is fixedly connected with the plate body of the movable plate.
The waterproof shell is further provided with a connector used for connecting the insulating rod.
The communication module is a 433M wireless module.
An external antenna is arranged on the waterproof shell and is a 433M module antenna.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a portable distribution line current detection device which is convenient for field personnel to carry, can conveniently measure line current by clamping the distribution line current on a line through an insulating rod, can transmit measured data to a receiving terminal of the field personnel in a wireless mode, and is convenient and rapid. Current measurement can be carried out before the intelligent device is installed to ensure that the current meets the installation requirement. Can master the real-time condition of circuit load current this moment fast, still can cooperate other intelligent monitoring devices's installation, reduce the rework rate, stop unnecessary cost extravagant, convenient and fast possesses certain use and spreading value.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a connection block diagram of the present invention.
Fig. 3 is a circuit diagram of a current sampling circuit module of the present invention.
In the figure: 1. an opening lever; 2. a movable plate; 3. a waterproof housing; 4. a connector; 5. an external antenna.
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings:
examples
As shown in fig. 1 to fig. 3, the waterproof device comprises two semicircular movable plates 2 which are oppositely arranged, one ends of the two movable plates 2 are respectively connected with a waterproof shell 3, the other ends of the two movable plates 2 are oppositely arranged and provided with gaps, and the plate bodies of the movable plates 2 are wound with coils; the wound coil is a Rogowski coil, current sampling is carried out, and the device is suitable for a load line with the diameter of 8mm-80 mm.
A protection circuit module is arranged in the waterproof shell 3 and connected with a current sampling circuit module, the current sampling circuit module is connected with a main control module, and the main control module is connected with a power management module, a communication module and a battery; the power management module is responsible for power distribution and control of the whole set of device and adopts the existing safety protection design. The current sampling module mainly comprises a current sampling circuit module and a Rogowski coil, the load current of a line is collected in real time and is sent to the main control module for data processing, and a processing result is sent out through the 433M wireless communication module. The used program control of processing and the like adopts the prior art, and is not improved, so that the description is omitted.
The coil is connected with the current sampling circuit module through the protection circuit module. The circuit structure of the protection circuit module adopts the prior art and mainly plays a role in protection.
One end of the movable plate 2 far away from the waterproof shell 3 is connected with an opening rod 1, and the two opening rods 1 are symmetrically arranged about a gap between the two movable plates 2.
The opening rod 1 is arranged in an arc shape. One end of the movable plate 2, which is far away from the waterproof shell 3, is fixedly connected with one end of the corresponding opening rod 1, and the other end of the opening rod 1 is fixedly connected with the plate body of the movable plate 2. Referring to fig. 1, the opening lever 1 is provided in a "cat-ear" shape, so that the end of one end of the two movable plates 2, which is far away from the waterproof case 3, is opened by a single-phase line through pressure, and thus the line can enter the area surrounded by the two movable plates 2.
The waterproof shell 3 is also provided with a connector 4 for connecting an insulating rod.
The communication module is a 433M wireless module.
An external antenna 5 is arranged on the waterproof shell 3, and the external antenna 5 is a 433M module antenna. Facilitating better transmission and reception of information.
The working principle is as follows: select the detection circuitry, on the on-the-spot personnel installed the device to the insulator spindle through connector 4, opened the equipment power, then aimed at the selected circuitry with equipment, because of the effect of pressure, the wire can open movable plate 2 and crowd into circular region along spreader bar 1, then dwell for 10s time, the device gathers current data to send the current signal after will handling through 433M wireless module, at this moment, circuit below personnel accessible receiving terminal receives and looks over the electric current that the device spreads. The setting device of the embodiment sends a packet of data every 10s, and field personnel can also know the change condition of the load current in the line in the period of time through data change. After the current data is obtained, the next action can be performed according to the actual situation, for example, only the current data at the moment is recorded, or whether a visualization device or a fault indicator is suitable for being installed on the section of line is judged. After the line current detection is finished, a field worker pulls the detection device with force, due to the upward thrust action of the middle cable, and the end parts of the two movable plates 2, which are far away from the waterproof shell 3, are provided with gaps, the two movable plates 2 can be separated towards two sides, the cable can be separated from the area surrounded by the two movable plates 2, and the detection device is taken down accordingly.
Claims (7)
1. The portable distribution line current detection device is characterized by comprising two semicircular movable plates (2) which are oppositely arranged, wherein one ends of the two movable plates (2) are respectively connected with a waterproof shell (3), the end parts of the other ends of the two movable plates (2) are oppositely arranged and provided with gaps, and the movable plates (2) are wound with coils;
a protection circuit module is arranged in the waterproof shell (3), the protection circuit module is connected with a current sampling circuit module, the current sampling circuit module is connected with a main control module, and the main control module is connected with a power management module, a communication module and a battery;
the coil is connected with the protection circuit module.
2. The portable distribution line current detection device according to claim 1, wherein an opening rod (1) is connected to an end of the movable plate (2) away from the waterproof case (3), and the two opening rods (1) are symmetrically arranged about a gap between the two movable plates (2).
3. The portable distribution line current detection device according to claim 2, wherein the spreader lever (1) is provided in an arc shape.
4. The portable distribution line current detection device according to claim 3, wherein one end of the movable plate (2) far away from the waterproof housing (3) is fixedly connected with one end of the corresponding opening rod (1), and the other end of the opening rod (1) is fixedly connected with the plate body of the movable plate (2).
5. The portable distribution line current detection device according to claim 1, wherein a connector (4) for connecting an insulating rod is further provided on the waterproof case (3).
6. The portable distribution line current detection device of claim 1, wherein the communication module is a 433M wireless module.
7. The portable distribution line current detection device according to claim 6, wherein an external antenna (5) is disposed on the waterproof housing (3), and the external antenna (5) is a 433M module antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484347.6U CN216718521U (en) | 2021-10-15 | 2021-10-15 | Portable distribution lines current detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484347.6U CN216718521U (en) | 2021-10-15 | 2021-10-15 | Portable distribution lines current detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718521U true CN216718521U (en) | 2022-06-10 |
Family
ID=81877535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122484347.6U Active CN216718521U (en) | 2021-10-15 | 2021-10-15 | Portable distribution lines current detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216718521U (en) |
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2021
- 2021-10-15 CN CN202122484347.6U patent/CN216718521U/en active Active
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