CN216434206U

CN216434206U - Double-coil monitoring device for cable measurement and protection

Info

Publication number: CN216434206U
Application number: CN202122951736.5U
Authority: CN
Inventors: 高少军; 周胜青; 李威; 陈浩; 纪新枝
Original assignee: ZHEJIANG HUACAI TECHNOLOGY CO LTD
Current assignee: ZHEJIANG HUACAI TECHNOLOGY CO LTD
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-03
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a double coil monitoring device for cable measurement and protection, which comprises a monitoring device main body, wherein the monitoring device comprises a lower shell, an upper shell, a ferromagnetic current coil, a Roche hollow coil and a PCB (printed Circuit Board), the ferromagnetic current coil comprises a sampling iron core and a PCB coil module, the sampling iron core comprises a first sampling iron core and a second sampling iron core, and the PCB coil module comprises an upper PCB coil module and a lower PCB coil module; the utility model discloses a carry out the modular design with electromagnetic type current coil and the hollow coil of luo shi for monitoring devices monitoring precision is high, and it is little to receive external environment to influence, reliable and stable.

Description

Double-coil monitoring device for cable measurement and protection

Technical Field

The utility model relates to a cable measurement protection twin coil monitoring devices.

Background

In the long-term use process of the power line, in order to ensure the electricity safety, the cable is generally monitored so as to control the operation of the cable; the existing monitoring device generally adopts two modes, namely a ferromagnetic current coil and a Roche air coil; the method specifically comprises the following steps: the ferromagnetic current coil has low monitoring precision but strong anti-interference capability; the Roche hollow coil has high monitoring precision and no magnetic saturation, but has poor anti-jamming capability; however, the existing monitoring devices only adopt one of the above methods for monitoring, which leads to a certain limitation when the monitoring device is used, and therefore, a novel monitoring device needs to be developed to solve the problems encountered at present.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a convenient to use, easy operation through carrying out the modular design with electromagnetic type current coil and the hollow coil of luo shi for monitoring devices monitoring precision is high, and it is little influenced by external environment, reliable and stable, its cable measurement protection twin coil monitoring devices who has practicality and use universality.

In order to solve the above problems, the utility model adopts the following technical scheme:

the utility model provides a cable measurement protection twin coil monitoring devices, includes the monitoring devices main part, its characterized in that: monitoring devices includes casing, last casing, ferromagnetic formula current coil, the hollow coil of roche and PCB board down, ferromagnetic formula current coil is including sampling iron core and PCB coil module, and the sampling iron core is including sampling iron core one and sampling iron core two, and the PCB coil module includes module and PCB coil module down on the PCB coil, the module is installed in last casing on sampling iron core one, the PCB coil, and the module is installed in the casing down under sampling iron core two, the PCB coil.

Preferably, be equipped with the upper cover in the upper casing, the module installation is in the upper cover on the PCB coil, the internal lower cover that is equipped with of lower casing, the module installation is in the lower cover under the PCB coil.

Preferably, the inner side of the lower shell is provided with a sealed containing cavity, a clamping groove is formed in the sealed containing cavity, an insulating gasket is installed on the clamping groove, the PCB is arranged at the upper end of the insulating gasket, and the Roche hollow coil is arranged at the lower end of the insulating gasket.

Preferably, an aviation socket I and an aviation socket II are connected to the PCB.

Preferably, the lower extreme of insulating gasket still is equipped with the control mainboard, is connected with reset button, overflows pilot lamp and operation pilot lamp on the control mainboard.

Preferably, the upper shell and the lower shell are connected through a pin shaft, and a hasp is arranged on one side of the upper shell and one side of the lower shell.

The utility model has the advantages that: the electromagnetic monitoring device is convenient to use and simple to operate, the electromagnetic current coil and the Roche hollow coil are designed in a combined mode, so that the monitoring device is high in monitoring precision, small in influence of external environment, stable and reliable, the problems of limitation and function singleness of the existing monitoring device are solved, and the electromagnetic monitoring device has practicability and universality in use; meanwhile, the cable is convenient to connect and fix, and convenience in monitoring and installation is improved.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the position of the slot of the present invention;

the circuit board comprises a lower shell 1, an upper shell 2, a hasp 3, a cable fixing groove 4, an aviation socket I5, an aviation socket II 6, a reset button 7, an overcurrent indicator lamp 8, an operation indicator lamp 9, a sampling iron core I10, a PCB coil upper module 11, a PCB coil lower module 12, a PCB plate 13, an insulating gasket 14, an upper cover 15, a silica gel sealing ring 16, an iron core fixing seat 17, an iron core fixing seat 18, a lower cover 19, a sealing cavity 20, a wire groove 21 and a clamping groove 21.

Detailed Description

Refer to a cable measurement protection twin coil monitoring devices that fig. 1 to fig. 3 show, including the monitoring devices main part, monitoring devices includes casing 1 down, goes up casing 2, ferromagnetic formula current coil, the hollow coil of roche and PCB board, ferromagnetic formula current coil includes sampling iron core and PCB coil module, and the sampling iron core includes sampling iron core one 10 and sampling iron core two (not shown in the figure), and the PCB coil module includes module 11 and PCB coil lower module 12 on the PCB coil, module 11 is installed in last casing 2 on sampling iron core one 10, the PCB coil, and sampling iron core two, PCB coil lower module 12 are installed in casing 1 down.

Further, be equipped with the upper cover in the upper casing, the module installation is in the upper cover on the PCB coil, the internal lower cover that is equipped with of lower casing, the module installation is in the lower cover under the PCB coil.

Further, a sealed containing cavity 19 is arranged on the inner side of the lower shell 1, a clamping groove 21 is arranged in the sealed containing cavity 19, an insulating gasket 14 is installed on the clamping groove 1, the PCB 13 is arranged at the upper end of the insulating gasket 14, and the Roche hollow coil is arranged at the lower end of the insulating gasket 14.

Further, an aviation socket I5 and an aviation socket II 6 are connected to the PCB 13.

Further, the lower extreme of insulating gasket 14 still is equipped with the control mainboard, is connected with reset button 7, overflows pilot lamp 8 and operation pilot lamp 9 on the control mainboard.

Further, the upper shell 2 and the lower shell 1 are connected through a pin shaft, and a hasp 3 is arranged on one side of the upper shell 2 and one side of the lower shell 1.

Further, a wire casing 20 is arranged at the upper end of the sealed cavity 19.

Further, a cable fixing groove 4 is provided between the upper case 2 and the lower case 1.

Further, the inside of casing 1 is equipped with iron core fixing base 17 down, and sampling iron core two is fixed in iron core fixing base 17, iron core fixing base 17's upper end is equipped with silica gel sealing washer 16.

The utility model discloses a ferromagnetic formula current coil is used for measuring with the measurement of electric current, and the hollow coil of roche is used for the measurement of protection with the electric current, measures about the general 600A of electric current, and protection current 2000A is more than. The ferromagnetic current coil is open, and the two halves of the inner parts of the upper shell and the lower shell are connected by a cable. After the upper and lower shells are closed, the cable is locked by the hasps on the sides, and the cable passes through the middle cable fixing groove.

The control mainboard of the utility model can collect voltage and current signals and complete processing, thus realizing the preset performance and function of the device; the control mainboard is connected with the outside through 2 aviation sockets I and aviation sockets II welded on the control mainboard, wherein one of the aviation sockets I and the aviation sockets II is a power supply and an RS485 communication interface, and the other aviation socket II is used for accessing 220V sampling voltage.

The utility model discloses a ferromagnetic formula current coil is because need the tangent plane laminating, therefore half in its upper shell is can the activity, outwards pushes up it with the spring, and the luo shi hollow coil is fixed at sealed appearance intracavity with the casting glue completely.

The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a cable measurement protection twin coil monitoring devices, includes the monitoring devices main part, its characterized in that: monitoring devices includes casing, last casing, ferromagnetic formula current coil, the hollow coil of roche and PCB board down, ferromagnetic formula current coil is including sampling iron core and PCB coil module, and the sampling iron core is including sampling iron core one and sampling iron core two, and the PCB coil module includes module and PCB coil module down on the PCB coil, the module is installed in last casing on sampling iron core one, the PCB coil, and the module is installed in the casing down under sampling iron core two, the PCB coil.

2. A cable measurement protection dual coil monitoring device as claimed in claim 1, wherein: the PCB coil is characterized in that an upper cover is arranged in the upper shell, an upper module of the PCB coil is arranged in the upper cover, a lower cover is arranged in the lower shell, and a lower module of the PCB coil is arranged in the lower cover.

3. A cable measurement protection dual coil monitoring device as claimed in claim 1, wherein: the inner side of the lower shell is provided with a sealed containing cavity, a clamping groove is formed in the sealed containing cavity, an insulating gasket is installed on the clamping groove, the PCB is arranged at the upper end of the insulating gasket, and the Roche hollow coil is arranged at the lower end of the insulating gasket.

4. A cable measurement protection dual coil monitoring device as claimed in claim 3, wherein: and the PCB is connected with an aviation socket I and an aviation socket II.

5. A cable measurement protection dual coil monitoring device as claimed in claim 3, wherein: the lower extreme of insulating gasket still is equipped with the control mainboard, is connected with reset button, overflows pilot lamp and operation pilot lamp on the control mainboard.

6. A cable measurement protection dual coil monitoring device as claimed in claim 1, wherein: the upper shell and the lower shell are connected through a pin shaft, and a hasp is arranged on one side of the upper shell and one side of the lower shell.