CN215526074U - Internal mounting structural part of lightning arrester leakage current monitoring device - Google Patents
Internal mounting structural part of lightning arrester leakage current monitoring device Download PDFInfo
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- CN215526074U CN215526074U CN202121342115.0U CN202121342115U CN215526074U CN 215526074 U CN215526074 U CN 215526074U CN 202121342115 U CN202121342115 U CN 202121342115U CN 215526074 U CN215526074 U CN 215526074U
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Abstract
The utility model provides an internal installation structural member of a leakage current monitoring device of a lightning arrester. The equipment mounting base is connected with the shielding cover to form an internal mounting structural member of the lightning arrester leakage current monitoring device. The utility model can realize that electronic components are arranged in the shielding case and electromagnetic shielding protection is carried out on batteries and the like of the electronic components, and induction coils and sensors are arranged outside the shielding case, so that electronic components of equipment are integrally arranged. The lightning arrester leakage current monitoring device has the advantages of strong universality of internal installation structural parts, simple assembly, low production cost of equipment and good economic message.
Description
Technical Field
The utility model relates to an electronic component mounting structural member, in particular to an internal mounting structural member of a lightning arrester leakage current monitoring device, which is applied to power equipment of a high-voltage transmission line.
Background
Lightning is a major natural disaster threatening the safe operation of power systems. In recent years, transmission line accidents caused by lightning trip-out of transmission lines are high every year. Causing huge social and economic losses and even life safety accidents. Generally, the simplest method for protecting a power transmission line from lightning is to select a zinc oxide lightning arrester. From the wide application of the zinc oxide arrester in the electric power system in China, the lightning protection has a certain effect, but according to investigation and research, many accidents occur, some serious accidents even cause long-time power failure in most regions, large-scale power equipment is damaged, and the like.
According to incomplete statistics, the arrester accident rate is more than thousandth, and the main reasons for these accidents are product quality problems, for example, the arrester seals the grade inadequately and wets, and the parameter is not right, and the valve block quality does not reach standard, and reasons such as antifouling performance and potential locality are poor finally lead to leaking the current increase and damaging the arrester under the continuous operation voltage, disappearance protective effect.
Lightning strike conditions and lightning arresters are usually monitored, and therefore lightning counters and lightning arresters are often used in combination. The common mechanical lightning counter adopts a scale counting mode for data acquisition through induction and mutual inductance sampling, and adopts a working mode of zero clearing and circulating counting after the scale is full, so that the lightning strike condition can not be uploaded after the lightning strike, and a line protector is required to carry out on-site line patrol to search a lightning strike place to inquire the lightning strike frequency or additionally and independently install a monitoring device. The lightning arrester leakage current monitoring device supports visual Internet of things monitoring and early warning. The detailed equipment is known at any time through a mobile phone end or a PC end without limitation of regions, and when the terminal equipment acts, each management unit and relevant responsible persons are informed at the first time, so that the labor intensity of inspection personnel is greatly reduced.
The leakage current monitoring device for the lightning arrester is an on-line monitoring device designed for on-line monitoring of leakage current and lightning stroke times of the lightning arrester. The lightning arrester lightning protection device can monitor leakage current of the lightning arrester on line, record lightning stroke times of the lightning arrester and transmit the lightning stroke times in real time, so that accident potential can be found rapidly, and accidents are avoided as much as possible.
The lightning arrester leakage current monitoring devices currently designed are generally divided into two parts, an outer box part and an inner mounting structure part. The external box body is used for waterproofing and mounting and fastening the device, and the internal mounting structural part is used for integrally mounting an electronic component circuit board, a sensor, an induction coil and the like, so that information acquisition, processing and wireless transmission are completed. Considering the interference of the strong magnetic field generated after the lightning current passes through the device on the electronic components, the internal installation structural part needs to have the function of shielding and protecting the circuit board and the battery of the electronic components.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of providing an internal installation structural part of a leakage current monitoring device of a lightning arrester, which can realize the integrated installation of a circuit board, a battery, an induction coil and a sensor, can meet the requirement that the induction coil and the sensor of equipment can shield and protect the circuit board and the battery of electronic components in the process of inducing lightning current, and is suitable for shielding and protecting various circuits, ingenious in structure and strong in universality.
An internal installation structural part of a leakage current monitoring device of an arrester comprises an equipment installation base and a shielding case. And an electronic component circuit board is arranged on the equipment mounting base, and the equipment mounting base is connected with the shielding cover. The equipment mounting base and the shielding case are combined to form an internal mounting structural member of the lightning arrester leakage current monitoring device.
Furthermore, the equipment installation base is formed by bending a stainless steel plate with the thickness of 2mm, and comprises a horizontal flat plate part and an upward bending part. The horizontal flat plate part is mainly provided with electronic components such as a circuit board and the like which need shielding protection. The horizontal flat plate part is provided with four circuit board mounting positioning holes with the aperture of 4 mm.
Furthermore, the upward bending part is formed by bending the left side of the horizontal flat plate part twice, the first bending is to bend the left side of the horizontal flat plate upwards by 90 degrees, the bending length is 70mm, the second bending is to bend the horizontal flat plate part again on the basis of the first bending, three edges of the plate bent for the first time are bent inwards by 90 degrees again, the three edges are respectively a horizontal bending edge and two vertical bending edges, and the bending length is 10 mm. Four positioning holes with the diameter of 5mm are formed in the middle of the upward bending part and used for fixing the sensor. Two positioning holes with the aperture of 3mm are formed in the upward bending part close to the top of the upper surface and are used for fixing the induction coil. The upper left corner and the upper right corner of the upward bending part are respectively provided with a wire passing hole for connecting the sensor and the induction coil with the internal circuit board; three bending edges of the upward bending part which are bent inwards again are provided with 3mm threaded holes, two hole sites are arranged on the horizontal bending edge, and two hole sites are respectively arranged on the two vertical bending edges and are used for being connected with the shielding cover.
Furthermore, the shielding case is a structural part which is formed by bending three surfaces of a 0.5mm stainless steel plate, four connecting holes with the thickness of 4mm are formed in the shielding case, two holes are formed in the left side of the horizontal plane of the shielding case, in addition, a hole is formed in the front vertical surface and the rear vertical surface of the left side of the shielding case respectively, and the four holes are matched with the 3mm threaded holes formed in the bending edge of the equipment mounting base and are used for being connected with the equipment mounting base. Two square hole sites are arranged at the middle part of the horizontal plane of the shielding cover close to the right and are used for fixing the battery.
The utility model has the beneficial effects that: the utility model provides an internal installation structural member of a leakage current monitoring device of an arrester, which can realize the integrated installation of internal equipment components of the leakage current monitoring device of the arrester and has a shielding protection function. The lightning arrester leakage current monitoring device has the advantages of strong universality of internal installation structural members, simple assembly, low equipment cost, good economic benefit and suitability for popularization and use.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is an axial view of an internal mounting structure of a leakage current monitoring device
FIG. 2 is a side view of the device mounting base for the internal mounting structure of the leakage current monitoring device
Fig. 3 is an isometric view of the internal mounting structure shield of the leakage current monitoring device.
Detailed Description
As shown in fig. 1, 2 and 3, the utility model provides an internal mounting structure of a lightning arrester leakage current monitoring device, which comprises two parts, namely an equipment mounting base 1 and a shielding case 2. The equipment mounting base 1 is connected with the shielding case 2 to form an internal mounting structural member of the lightning arrester leakage current monitoring device.
Specifically, the equipment mounting base 1 is formed by bending a stainless steel plate with the thickness of 2mm, and comprises a horizontal flat plate part and an upward bending part. The horizontal flat plate part is mainly provided with electronic components such as a circuit board and the like which need shielding protection. The horizontal flat plate part is provided with four circuit board mounting positioning holes 1-4 with the aperture of 4 mm.
Specifically, the upward bending part is formed by bending the left side of the horizontal flat plate part twice, the first bending is to bend the left side of the horizontal flat plate upwards by 90 degrees, the bending length is 70mm, the second bending is to bend the horizontal flat plate part again on the basis of the first bending, three edges of the plate bent for the first time are bent inwards by 90 degrees again, the three edges are respectively a horizontal bending edge and two vertical bending edges, and the bending length is 10 mm. The middle position of the upward bending part is provided with four positioning parts 1-7 with the aperture of 5mm for fixing the sensor. Two positioning holes 1-2 with the aperture of 3mm are formed in the upward bending part and close to the top of the upward bending part and are used for fixing the induction coil. Wire through holes 1-1 and 1-6 are respectively formed in the upper left corner and the upper right corner of the upward bending part and are used for connecting the sensor and the induction coil with an internal circuit board; three bending edges of the upward bending part which are bent inwards again are provided with 3mm threaded holes, wherein two hole sites 1-3 are arranged on the horizontal bending edge, and two hole sites 1-5 are respectively arranged on the two vertical bending edges and are used for being connected with the shielding cover.
Specifically, the shielding cover is a structural member formed by bending three sides of a 0.5mm stainless steel plate, four connecting holes with the size of 4mm are formed in the shielding cover, two hole sites 2-1 are arranged on the left side of the horizontal plane of the shielding cover, in addition, a front vertical surface and a rear vertical surface on the left side of the shielding cover are respectively provided with a hole 2-3, and the four holes are matched with the bending edges of the equipment mounting base and provided with 3mm threaded holes for being connected with the equipment mounting base. Two square hole sites 2-2 are arranged at the middle part of the horizontal plane of the shielding cover close to the right and are used for fixing the battery.
Claims (4)
1. The utility model provides an arrester leakage current monitoring devices internally mounted structure spare, includes equipment fixing base, shield cover, its characterized in that: the lightning arrester leakage current monitoring device is characterized in that an electronic component circuit board is installed on the equipment installation base, the equipment installation base is connected with the shielding cover, and the equipment installation base and the shielding cover form an internal installation structural member of the lightning arrester leakage current monitoring device.
2. The internal mounting structure of a lightning arrester leakage current monitoring device according to claim 1, characterized in that: the equipment mounting base is formed by bending a stainless steel plate with the thickness of 2mm, the equipment mounting base comprises a horizontal flat plate part and an upward bending part, the horizontal flat plate part is mainly used for mounting electronic components needing shielding protection on a circuit board, and the horizontal flat plate part is provided with four circuit board mounting positioning holes with the aperture of 4 mm.
3. The internal mounting structure of a lightning arrester leakage current monitoring device according to claim 2, characterized in that: the upward bending part is formed by bending the left side of the horizontal flat plate twice, the first bending is to bend the left side of the horizontal flat plate 90 degrees upwards, the bending length is 70mm, the second bending is to bend the plate again on the basis of the first bending, three edges of the plate bent for the first time are bent for 90 degrees inwards again, the three edges are respectively a horizontal bending edge and two vertical bending edges, the bending length is 10mm, the middle position of the upward bending part is provided with four positioning holes with the aperture of 5mm for fixing a sensor, the upward bending part is provided with two positioning holes with the aperture of 3mm close to the top of the upward bending part for fixing an induction coil, and the upper left corner and the upper right corner of the upward bending part are respectively provided with a wire passing hole for connecting the sensor and the induction coil with an internal circuit board; three bending edges of the upward bending part which are bent inwards again are provided with 3mm threaded holes, two hole sites are arranged on the horizontal bending edge, and two hole sites are respectively arranged on the two vertical bending edges and are used for being connected with the shielding cover.
4. The internal mounting structure of a lightning arrester leakage current monitoring device according to claim 1, characterized in that: the shielding case is a structural part which is formed by bending three surfaces of a 0.5mm stainless steel plate, four connecting holes with the length of 4mm are formed in the shielding case, two holes are formed in the left side of the horizontal plane of the shielding case, a hole is formed in each of the front vertical surface and the rear vertical surface of the left side of the shielding case, the four holes are matched with the 3mm threaded holes formed in the bending edge of the equipment mounting base and used for being connected with the equipment mounting base, and two square hole positions are formed in the middle of the horizontal plane of the shielding case close to the right position and used for fixing the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121342115.0U CN215526074U (en) | 2021-06-17 | 2021-06-17 | Internal mounting structural part of lightning arrester leakage current monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121342115.0U CN215526074U (en) | 2021-06-17 | 2021-06-17 | Internal mounting structural part of lightning arrester leakage current monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215526074U true CN215526074U (en) | 2022-01-14 |
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ID=79808522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121342115.0U Active CN215526074U (en) | 2021-06-17 | 2021-06-17 | Internal mounting structural part of lightning arrester leakage current monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215526074U (en) |
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2021
- 2021-06-17 CN CN202121342115.0U patent/CN215526074U/en active Active
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