CN213517216U - Novel power line mutual inductor monitoring device - Google Patents
Novel power line mutual inductor monitoring device Download PDFInfo
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- CN213517216U CN213517216U CN202022139622.6U CN202022139622U CN213517216U CN 213517216 U CN213517216 U CN 213517216U CN 202022139622 U CN202022139622 U CN 202022139622U CN 213517216 U CN213517216 U CN 213517216U
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Abstract
The utility model discloses a novel power line mutual inductor monitoring device, which comprises a current mutual inductor body, a secondary winding A and a secondary winding B; the current transformer body is fixedly arranged at the bottom of the secondary winding; the device also comprises an assembling side frame, a limiting support block and a monitoring transmission unit; and assembling side frames for assembling and fixing the secondary winding B are symmetrically fixed on two sides of the current transformer body, and self-locking clamping mechanisms for fixing the secondary winding B are movably arranged on the outer sides of the assembling side frames. The utility model discloses in, stop gear carries on spacingly and carries out spacingly fixed to power line through the rectangle opening to the secondary winding of assembled. And stop gear can carry out slide adjusting according to the diameter of circuit, satisfies to carry out spacing fixed to different diameter power line for this power line mutual-inductor's monitoring devices has the assistance and carries out spacing fixed measure to the circuit, more stable when improving the installation.
Description
Technical Field
The utility model relates to a power line open type punching mutual-inductor technical field, particularly, relate to a novel power line mutual-inductor monitoring device.
Background
The power line transformer monitoring device is a current transformer for collecting and using power of a power line. The current transformer principle is based on the electromagnetic induction principle, and the current transformer consists of a closed iron core and a winding. The primary winding of the transformer has few turns and is connected in a circuit needing the measured current, so the transformer always has the whole current of the circuit flowing through. The secondary winding has more turns and is connected in series in the measuring instrument and the protection loop. When the current transformer works, a secondary loop of the current transformer is always closed, so that the impedance of a coil connected in series with a measuring instrument and a protection loop is very small, and the working state of the current transformer is close to a short circuit.
Current transformer that power line monitoring used lies in that the circuit carries out when connecting, lacks the measure of carrying out spacing fixed according to the circuit thickness, and the stability of carrying out the installation on the circuit is relatively poor. Meanwhile, the length of the secondary lead of the current transformer is limited by the requirement of fertility, and the length of the outgoing secondary lead cannot be adjusted at will.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned deficiencies, the present invention provides a novel power line transformer monitoring device; the problems that a current transformer used for monitoring a power line in the prior art is simple in installation mode with the line, lacks of auxiliary limit fixing measures for the line and is poor in installation stability are solved; and meanwhile, the problems of limitation on the fertilization degree requirement of the length of the secondary lead of the current transformer and the like are solved.
The utility model is realized in such a way, a novel power line mutual inductor monitoring device is constructed, which comprises a current mutual inductor body, a secondary winding A and a secondary winding B; the current transformer body is fixedly arranged at the bottom of the secondary winding A; the secondary winding is divided into two halves, and is poured into a semicircle by resin, and the mutual inductor can be divided into two halves during installation and then combined into a whole; it is characterized in that; the device also comprises an assembling side frame and a limiting mechanism; assembling side frames for assembling and fixing the secondary winding B are symmetrically fixed on two sides of the current transformer body, and self-locking clamping mechanisms for fixing the secondary winding B are movably arranged on the outer sides of the assembling side frames; and the assembly side frame is also connected with a limiting mechanism for limiting the power line.
The utility model relates to a novel power line mutual inductor monitoring device, which is characterized in that; the limiting mechanism comprises a limiting support block, the limiting support block is connected to the side frame through a connecting slide block in a sliding mode, a rectangular through hole is formed in the limiting mechanism and is sleeved on the secondary winding B in a sliding mode, and an arc-shaped portion matched with the power line is formed in the outer side of the limiting support block.
The utility model relates to a novel power line mutual inductor monitoring device, which is characterized in that; the bottom of the assembling side frame is symmetrically and integrally formed with connecting lugs, the connecting lugs are vertically connected with adjusting screws, the adjusting screws are connected to the limiting support blocks in a sliding and penetrating mode, and fixing nuts used for positioning the limiting support blocks are further connected to the adjusting screws in a screwed and sleeved mode.
The utility model relates to a novel power line mutual inductor monitoring device, which is characterized in that; the outer side of the assembling side frame is provided with a rectangular opening and a connecting screw hole which are matched with the self-locking clamping mechanism for use.
The utility model relates to a novel power line mutual inductor monitoring device, which is characterized in that; the self-locking clamping mechanism consists of a hinged support and a clamping frame; the hinged support is integrally fixed on the outer side of the assembling side frame; the clamping frame is rotatably connected to the hinged support through a pin shaft, and the position of the clamping frame corresponds to the position of the rectangular opening.
The utility model relates to a novel power line mutual inductor monitoring device, which is characterized in that; the bottom of the clamping frame is connected with a fixing screw rod through a penetrating way, and the position of the fixing screw rod corresponds to the position of the connecting screw hole.
The utility model relates to a novel power line mutual inductor monitoring device, which is characterized in that; the monitoring transmission unit is also included; the monitoring transmission unit is connected with the current transformer body and consists of a data acquisition module, a monitoring analysis module, a fluctuation analysis module and a wireless communication module; the data acquisition module, the monitoring analysis module, the fluctuation analysis module and the wireless communication module are connected in sequence, the data acquisition module is used for acquiring current information acquired by the current transformer body and transmitting the current information to the monitoring analysis module, the monitoring analysis module integrates a calculation result and transmits the result to the fluctuation analysis module, the fluctuation analysis module carries out comparative analysis with a set fluctuation rated value, and when the fluctuation value is greater than the set rated value, the data are directly transmitted to the power workstation through the wireless communication module.
The utility model has the advantages of as follows: the utility model discloses a novel power line mutual inductor monitoring device, which comprises a current mutual inductor body, a secondary winding A and a secondary winding B; the current transformer body is fixedly arranged at the bottom of the secondary winding; the secondary winding is divided into two halves and is molded into a semicircle shape by resin. When in installation, the mutual inductor can be divided into two parts and then combined into a whole; the device also comprises an assembling side frame, a limiting support block and a monitoring transmission unit; and assembling side frames for assembling and fixing the secondary winding B are symmetrically fixed on two sides of the current transformer body, and self-locking clamping mechanisms for fixing the secondary winding B are movably arranged on the outer sides of the assembling side frames. The utility model discloses in, stop gear carries on spacingly and carries out spacingly fixed to power line through the rectangle opening to the secondary winding of assembled. And stop gear can carry out slide adjusting according to the diameter of circuit, satisfies to carry out spacing fixed to different diameter power line for this power line mutual-inductor's monitoring devices has the assistance and carries out spacing fixed measure to the circuit, more stable when improving the installation. The monitoring transmission unit transmits the current information to the power workstation in a wireless mode. The utility model discloses still possess following beneficial effect:
its 1, this novel power line mutual-inductor monitoring devices sets up stop gear through sliding on the assembly side bearer, and stop gear carries on spacingly through the rectangle opening to the secondary winding of assembled, can carry out spacing fixed to power line simultaneously to stop gear can carry out slide adjusting then fix through adjusting screw cooperation fixation nut according to the diameter of circuit, thereby makes this power line mutual-inductor monitoring devices have the assistance and carries out spacing fixed measure to the circuit, improves installation stability.
And 2, the problem that the fertilization degree requirement of the length of the secondary lead of the current transformer is limited is solved, and the length of the outgoing secondary lead cannot be adjusted at will. This novel power line mutual-inductor monitoring devices is direct to pass through wireless transmission to electric power workstation with current analog quantity information to the realization judges the transmission to unusual data, alleviates electric power workstation personnel's work burden.
Drawings
Fig. 1 is a schematic view of the overall structure of a novel power line transformer monitoring device provided by the present invention;
fig. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic structural view of a self-locking latch mechanism of the present invention;
fig. 4 is a schematic structural view of the middle limiting mechanism of the present invention;
fig. 5 is a block diagram of a monitoring transmission unit module.
Wherein: 1. a current transformer body; 2. a secondary winding A; 3. a secondary winding B; 4. assembling a side frame; 41. a rectangular opening; 42. a connecting screw hole; 5. a self-locking clamping mechanism; 51. a hinged support; 52. a clamping frame; 53. fixing the screw rod; 6. a limiting mechanism; 61. a limiting support block; 62. connecting the sliding block; 63. a rectangular through hole; 64. an arc-shaped portion; 7. connecting lugs; 8. adjusting screw, 9, monitoring transmission unit.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an improve and provide a novel power line mutual-inductor monitoring device here, solve among the prior art current transformer that power line monitoring used and in comparatively simple with the mode of circuit installation, lack the assistance and carry out spacing fixed measure to the circuit, the relatively poor problem of stability of installation. Meanwhile, the problem that the length of a secondary lead of the current transformer is limited by precision requirements is solved, and the novel power line transformer monitoring device is provided.
Referring to fig. 1-5, the utility model provides a novel power line transformer monitoring device, which comprises a current transformer body 1, a secondary winding A2 and a secondary winding B3; the current transformer body 1 is fixedly arranged at the bottom of the secondary winding A2; the secondary winding is divided into two halves, and is poured into a semicircle shape by resin, so that the mutual inductor can be divided into two halves during installation and then combined into a whole, and the installation is very convenient; the device also comprises an assembling side frame 4 and a limiting mechanism 6;
assembling side frames 4 for assembling and fixing the secondary winding B3 are symmetrically fixed on two sides of the current transformer body 1, and self-locking clamping mechanisms 5 for fixing the secondary winding B3 are movably arranged on the outer sides of the assembling side frames 4;
and the assembling side frame 4 is also connected with a limiting mechanism 6 for limiting the power line.
The limiting mechanism 6 comprises a limiting support block 61, the limiting support block 61 is connected to the side frame 4 through a connecting slide block 62 in a sliding mode, a rectangular through hole 63 is formed in the limiting mechanism 6, the rectangular through hole 63 is connected to the secondary winding 3 in a sleeved mode in a sliding mode, and an arc portion 64 matched with the power line is formed in the outer side of the limiting support block 61.
When the power line transformer monitoring device is used, a power line penetrates through the secondary winding 2 on the current transformer body 1, then the secondary winding 3 is assembled on the secondary winding 2, and the self-locking clamping mechanisms 5 on two sides of the assembling side frame 4 are used for assisting in fixing the secondary winding 3, so that the power line transformer monitoring device is assembled. Then, the position of the limiting supporting block 61 is adjusted, so that the arc-shaped part 64 on the limiting supporting block 61 is attached to the surface of the power line, and finally, the power line is limited and fixed in an auxiliary mode through the arc-shaped part 64 on the limiting supporting block 61. Meanwhile, the rectangular through hole 63 in the limiting supporting block 61 is used for limiting the secondary winding 3, and the assembling stability of the arc-shaped part 64 in the limiting supporting block 61 is improved.
The utility model discloses during the implementation, the bottom bilateral symmetry integrated into one piece of assembly side bearer 4 has engaging lug 7, and is connected with adjusting screw 8 on the engaging lug 7 perpendicularly, and adjusting screw 8 slip through connection is on spacing tray 61, and the last still spiral of adjusting screw 8 has cup jointed the fixation nut who advances line location use to spacing tray 61.
The utility model discloses during the implementation, when adjusting spacing tray 61, fix spacing tray 61 through 8 cooperation fixation nuts of adjusting screw are supplementary to satisfy and carry out spacing fixedly to the power line of different diameters. The outer side of the assembling side frame 4 is provided with a rectangular opening 41 and a connecting screw hole 42 which are matched with the self-locking clamping mechanism 5 for use.
The self-locking clamping mechanism 5 consists of a hinged support 51 and a clamping frame 52; the hinged support 51 is integrally fixed at the outer side of the assembling side frame 4; the clamping frame 52 is rotatably connected to the hinge support 51 through a pin shaft, and the position of the clamping frame 52 corresponds to the position of the rectangular opening 41. The bottom of the clamping frame 52 is connected with a fixing screw 53 through a penetration way, and the position of the fixing screw 53 corresponds to the position of the connecting screw hole 42.
When the secondary winding 3 is fixed after assembly, the hinge support 51 is matched with the pin shaft to adjust the clamping frame 52, so that the clamping frame 52 is embedded into the rectangular opening 41 clamped at the outer side of the assembly side frame 4 and extends to be clamped at the outer side of the secondary winding 3, the secondary winding 3 is fixed, the clamping frame 52 is fixed through the fixing screw 53 in a matching mode and the screw hole 42, and finally the secondary windings 2 and 3 are assembled and fixed.
When the utility model is implemented, the utility model also comprises a monitoring transmission unit 9; the monitoring transmission unit 9 is electrically connected with the current transformer body 1. As shown in fig. 5, the monitoring transmission unit 9 is composed of a data acquisition module, a monitoring analysis module, a fluctuation analysis module and a wireless communication module; the data acquisition module, the monitoring analysis module, the fluctuation analysis module and the wireless communication module are connected in sequence, and the data acquisition module is used for acquiring current information acquired by the current transformer body 1 and transmitting the current information to the monitoring analysis module. And the monitoring analysis module integrates the calculation result and transmits the result to the fluctuation analysis module. The fluctuation analysis module is used for comparing and analyzing the set fluctuation rated value, and directly transmitting data to the power workstation through the wireless communication module when the fluctuation value is larger than the set rated value. Therefore, abnormal data can be judged and transmitted, and the work load of the staff of the power workstation is reduced.
The application range is as follows: the current measuring device is mainly suitable for current measurement, microcomputer protection and monitoring of power supply and utilization equipment of 10kV or below of an alternating current power system. The cable clamp is used in compact network switch equipment, is directly clamped on a connected incoming and outgoing cable during installation, and is simple, convenient and quick. The cable branch box is applied to ring network switch cabinets, load switch cabinets, cable branch boxes, pole-mounted load switches and circuit breakers.
Description of materials: the utility model discloses current transformer has chooseed for use the higher high-quality silicon steel sheet of magnetic conductivity or amorphous alloy as magnetic material, and two kinds of iron cores all have the characteristics that the iron core can be divided, magnetic circuit loss is little, and its semicircle annular iron core and secondary winding adopt high-quality epoxy, polyurethane and silicon rubber pouring in fire-retardant plastic casing. The utility model discloses the assembly side bearer, stop gear, auto-lock latch mechanism, engaging lug, adjusting screw etc. of characteristic can adopt metal material such as high-quality zinc-aluminum coated steel board, cold-rolled steel sheet and stainless steel.
The utility model provides a novel power line mutual inductor monitoring device; the method has the following beneficial effects:
this novel power line mutual-inductor monitoring devices sets up stop gear through sliding on the assembly side bearer, and stop gear carries on spacingly through the secondary winding of rectangle opening to the assembled, can carry out spacing fixed to power line simultaneously to stop gear can slide according to the diameter of circuit and adjust then fix through adjusting screw cooperation fixation nut, thereby makes this power line mutual-inductor monitoring devices have the assistance and carries out spacing fixed measure to the circuit, improves installation stability.
Meanwhile, the problem that the current transformer secondary lead length is limited by fertility is solved, and the outgoing secondary lead length cannot be adjusted at will. This novel power line mutual-inductor monitoring devices is direct to pass through wireless transmission to electric power workstation with current analog quantity information to the realization judges the transmission to unusual data, alleviates electric power workstation personnel's work burden.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A novel power line mutual inductor monitoring device comprises a current mutual inductor body (1), a secondary winding A (2) and a secondary winding B (3); the current transformer body (1) is fixedly arranged at the bottom of the secondary winding A (2); it is characterized in that; the device also comprises an assembling side frame (4) and a limiting mechanism (6); assembling side frames (4) for assembling and fixing the secondary winding B (3) are symmetrically fixed on two sides of the current transformer body (1), and self-locking clamping mechanisms (5) for fixing the secondary winding B (3) are movably arranged on the outer sides of the assembling side frames (4); and the assembling side frame (4) is also connected with a limiting mechanism (6) for limiting the power line.
2. The novel power line transformer monitoring device of claim 1, wherein; limiting mechanism (6) include spacing tray block (61), and spacing tray block (61) pass through link block (62) sliding connection on assembly side bearer (4), and seted up rectangle through-hole (63) on limiting mechanism (6), rectangle through-hole (63) slip cup joint is on secondary winding B (3), arc portion (64) with power line looks adaptation are seted up in spacing tray block (61) outside.
3. A novel power line transformer monitoring device according to claim 1 or 2, characterized in that; the bottom of the assembling side frame (4) is symmetrically and integrally formed with connecting lugs (7), the connecting lugs (7) are vertically connected with adjusting screws (8), the adjusting screws (8) are connected to the limiting support blocks (61) in a sliding and penetrating mode, and fixing nuts for positioning the limiting support blocks (61) are further spirally sleeved on the adjusting screws (8).
4. The novel power line transformer monitoring device of claim 1, wherein; the outer side of the assembling side frame (4) is provided with a rectangular opening (41) and a connecting screw hole (42) which are matched with the self-locking clamping mechanism (5) for use.
5. The novel power line transformer monitoring device of claim 1, wherein; the self-locking clamping mechanism (5) consists of a hinged support (51) and a clamping frame (52); the hinged support (51) is integrally fixed on the outer side of the assembling side frame (4); the clamping frame (52) is rotatably connected to the hinged support (51) through a pin shaft, and the position of the clamping frame (52) corresponds to the position of the rectangular opening (41).
6. The novel power line transformer monitoring device of claim 5, wherein; the bottom of the clamping frame (52) is connected with a fixing screw rod (53) through a penetrating way, and the position of the fixing screw rod (53) corresponds to the position of the connecting screw hole (42).
7. The novel power line transformer monitoring device of claim 1, wherein; also comprises a monitoring transmission unit (9); the monitoring transmission unit (9) is connected with the current transformer body (1), and the monitoring transmission unit (9) is composed of a data acquisition module, a monitoring analysis module, a fluctuation analysis module and a wireless communication module; the data acquisition module, the monitoring analysis module, the fluctuation analysis module and the wireless communication module are connected in sequence, the data acquisition module is used for acquiring current information acquired by the current transformer body (1) and transmitting the current information to the monitoring analysis module, the monitoring analysis module integrates a calculation result and transmits the result to the fluctuation analysis module, the fluctuation analysis module carries out comparative analysis with a set fluctuation rated value, and when the fluctuation value is greater than the set rated value, data are directly transmitted to the power workstation through the wireless communication module.
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| CN202022139622.6U CN213517216U (en) | 2020-09-26 | 2020-09-26 | Novel power line mutual inductor monitoring device |
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| CN202022139622.6U CN213517216U (en) | 2020-09-26 | 2020-09-26 | Novel power line mutual inductor monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051474A (en) * | 2020-09-27 | 2020-12-08 | 温静 | Novel power line mutual inductor monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051474A (en) * | 2020-09-27 | 2020-12-08 | 温静 | Novel power line mutual inductor monitoring device |
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