CN211905511U - Durable lightning-arrest counter that discharges - Google Patents
Durable lightning-arrest counter that discharges Download PDFInfo
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- CN211905511U CN211905511U CN202020489112.9U CN202020489112U CN211905511U CN 211905511 U CN211905511 U CN 211905511U CN 202020489112 U CN202020489112 U CN 202020489112U CN 211905511 U CN211905511 U CN 211905511U
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Abstract
The utility model belongs to the technical field of the arrester counter that discharges, especially, be a durable lightning-arrest counter that discharges that uses, including aluminum alloy housing, inductor, electromagnetic counter and microampere level ampere meter, aluminum alloy housing's inner chamber bottom fixed mounting has insulating mounting panel, and fixed inductor, electromagnetic counter and microampere level ampere meter are separated to the top surface of insulating mounting panel, are equipped with step-down resistance and rectifier circuit in the inductor, are equipped with solenoid and armature among the electromagnetic counter, the one end of solenoid intermittent type actuation armature. The utility model discloses during the use, take lightning stroke signal output line's arrester counter to pass through stainless steel ground terminal and connect the output signal line, will detect the thunderbolt signal transmission extremely the utility model discloses remote signal monitoring devices beyond, take lightning stroke signal output's arrester counter that discharges can not need break-off voltage at the arrester normal during operation, also need not dismantle the arrester, just can connect lightning stroke signal output line.
Description
Technical Field
The utility model relates to a lightning arrester discharge counter technical field specifically is a durable lightning-arrest discharge counter who uses.
Background
The lightning arrester discharge counter is designed by matching with the lightning arrester and is used for equipment matched with the lightning arrester in a high-voltage alternating-current power system, the equipment is connected with the lightning arrester in series for use and is used for recording the action times of the lightning arrester, an ammeter is additionally arranged on the lightning arrester counter of a special version, the effective value of leakage current of voltage passing through the lightning arrester in operation can be monitored, so that whether the lightning arrester per se has abnormity can be observed in real time, the normal operation of the lightning arrester is ensured, the lightning arrester discharge counter is suitable for the operation of a power grid under the condition that the rated operating frequency is 48Hz to 62Hz, the leakage current does not exceed 30mA to 50mA, an aluminum alloy shell of the lightning arrester is kept clean and dry, if the performance of the lightning arrester is degraded or more pollutants such as dust and the like exist in the aluminum alloy shell of the lightning arrester, the lightning stroke discharge counting of, whether the arrester breaks down can be judged intuitively, and the assessment of the fault-free state of the arrester is very necessary.
The current lightning protection discharge counter has the following problems:
1. the existing lightning protection discharge counter has poor insulation and can only check the number of lightning strokes in a power-off state.
2. The existing lightning protection discharge counter has poor durability under ultraviolet irradiation and is inconvenient to install and use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a durable lightning-arrest counter that discharges has solved present lightning-arrest counter that discharges insulating nature poor to can only look over the number of times of thunderbolt under the outage state, and the poor problem of durability under ultraviolet irradiation.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a durable lightning-protection discharge counter comprises an aluminum alloy shell, an inductor, an electromagnetic counter and a microampere ammeter, wherein an insulating mounting plate is fixedly mounted at the bottom end of an inner cavity of the aluminum alloy shell, the top surface of the insulating mounting plate is fixedly divided into the inductor, the electromagnetic counter and the microampere ammeter, a voltage reduction resistor and a rectifying circuit are arranged in the inductor, an electromagnetic coil and an armature are arranged in the electromagnetic counter, the electromagnetic coil intermittently attracts and closes one end of the armature, the other end of the armature is poked and connected with a pressing part of the counter, the top end of the aluminum alloy shell is fixedly connected with an insulating column, a connecting terminal is fixedly connected in series in the insulating column, a locking screw is screwed and connected onto the connecting terminal, the bottom end of the connecting terminal is electrically connected with an input end of the voltage reduction resistor, and an, the rectifier circuit is electrically connected with the electromagnetic coil, the bottom end of the aluminum alloy shell is connected with a stainless steel grounding terminal in a screwed mode, and the microampere-level ammeter is connected between the electromagnetic coil and the stainless steel grounding terminal in series.
As an optimal technical scheme of the utility model, aluminum alloy housing's surface spraying has epoxy powder paint layer, the surface spraying of insulated column has the ultraviolet resistance insulating layer.
As an optimal technical scheme of the utility model, aluminum alloy housing's avris fixedly connected with mounting bracket, spiral shell closes on the mounting bracket and is connected with fixing bolt.
As an optimized technical scheme of the utility model, the insulating column is the range upon range of pagoda form structure.
(III) advantageous effects
Compared with the prior art, the utility model provides a durable lightning-arrest counter that discharges who uses possesses following beneficial effect:
1. this durable lightning-arrest counter that discharges of using, the arrester counter of taking thunderbolt signal output line pass through stainless steel ground terminal and connect the output signal line, will detect the thunderbolt signal transmission extremely the utility model discloses remote signal monitoring device in addition, the arrester of taking thunderbolt signal output discharges the counter, can be at the arrester normal during operation, does not need break-off voltage, also need not dismantle the arrester, just can connect the thunderbolt signal output line.
2. According to the durable lightning protection discharge counter, the corrosion resistance of the aluminum alloy shell can be greatly improved by spraying the epoxy powder paint layer on the surface of the aluminum alloy shell, the ultraviolet-resistant insulating layer is sprayed on the outer surface of the insulating column, the insulating column is well resistant to the corrosion of ultraviolet rays, and the durable lightning protection discharge counter is simple to install, free of maintenance, long in service life and safe and reliable in operation; is not sensitive to discharge waveforms; the connecting terminal is not rusted, and the aluminum alloy shell is small and exquisite and firm in size; the performance of the product is not influenced by the external environment, and the product is suitable for a lightning arrester which operates in a 75kV-550kV voltage class power grid, and the safe operation of the power grid is fully ensured.
Drawings
FIG. 1 is a schematic view of the subjective structure of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
fig. 3 is a schematic view of the structure of the present invention.
In the figure: 1. an aluminum alloy housing; 2. an insulating mounting plate; 3. an inductor; 4. an electromagnetic counter; 5. microampere level ammeter; 6. a voltage reduction resistor; 7. a rectifying circuit; 8. an electromagnetic coil; 9. an armature; 10. a counter pressing part; 11. an insulating column; 12. a wiring terminal; 13. locking the screw; 14. a stainless steel ground terminal; 15. an epoxy powder paint layer; 16. an ultraviolet-resistant insulating layer; 17. a mounting frame; 18. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a durable lightning-protection discharge counter comprises an aluminum alloy shell 1, an inductor 3, an electromagnetic counter 4 and a microampere ammeter 5, wherein an insulating mounting plate 2 is fixedly mounted at the bottom end of an inner cavity of the aluminum alloy shell 1, the inductor 3, the electromagnetic counter 4 and the microampere ammeter 5 are fixedly separated from the top surface of the insulating mounting plate 2, a voltage reduction resistor 6 and a rectification circuit 7 are arranged in the inductor 3, an electromagnetic coil 8 and an armature 9 are arranged in the electromagnetic counter 4, the electromagnetic coil 8 intermittently attracts and holds one end of the armature 9, the other end of the armature 9 is connected with a counter pressing part 10 in a shifting manner, an insulating column 11 is fixedly connected to the top end of the aluminum alloy shell 1, a wiring terminal 12 is fixedly connected in series in the insulating column 11, a locking screw 13 is screwed on the wiring terminal 12, the bottom end of the wiring terminal 12 is electrically connected with, the rectifying circuit 7 is electrically connected with the electromagnetic coil 8, the bottom end of the aluminum alloy shell 1 is screwed with a stainless steel grounding terminal 14, and the microampere ammeter 5 is connected between the electromagnetic coil 8 and the stainless steel grounding terminal 14 in series.
In this embodiment, the electromagnetic counter 4 adopts a JS445 mechanical pressing type counting device, one number is correspondingly added each time the counter is pressed, and adjacent numerical values are accumulated according to a decimal system, so that an accurate numerical value is obtained; the microampere ammeter 5 adopts an SX-500 type digital multimeter; the connecting terminal 12 is connected with an input lead through a locking screw 13, the input lead is electrically connected with the lightning rod, when the lightning arrester generates a large current by lightning stroke, the large current is conducted to the inductor 3 through the wiring terminal 12, a corresponding voltage is obtained on the inductor 3, the voltage is reduced through the voltage reduction resistor 6 and is discharged to the electromagnetic coil 8 of the electromagnetic counter 4 after being rectified by the rectifying circuit 7, the electromagnet in the electromagnetic coil 8 attracts the armature 9, the armature 9 pulls the pressing part 10 of the counter once, after the large current disappears, the armature 9 in the electromagnetic counter 4 is reset to finish one-time counting, and the input times of large current can be displayed by progressive sequence, the working frequency of the lightning arrester is reflected, and the lightning stroke counter with the microampere ammeter 5 is also provided with a high-power circuit shunt circuit for monitoring the leakage current of the lightning arrester in real time; 14 electric connection lightning stroke signal output line of stainless steel ground terminal for take lightning stroke signal output line's arrester counter, take lightning stroke signal output line's arrester counter to pass through stainless steel ground terminal 14 and connect the output signal line, with the lightning stroke signal transmission who detects extremely the utility model discloses remote signal monitoring devices in addition, take lightning stroke signal output's arrester counter that discharges can not need break-off voltage at the arrester during normal work, also need not dismantle the arrester, just can connect lightning stroke signal output line, through the number of times that remote monitoring device control was struck by lightning.
Specifically, the surface of the aluminum alloy shell 1 is sprayed with an epoxy powder paint layer 15, and the outer surface of the insulating column 11 is sprayed with an ultraviolet-resistant insulating layer 16.
In the embodiment, the epoxy powder paint layer 15 can greatly improve the corrosion resistance of the aluminum alloy shell 1, and the service life of the product of the utility model is prolonged; the ultraviolet-resistant insulating layer 16 can well resist the corrosion of ultraviolet rays to the insulating columns 11, so that the structural strength and the insulating property can be maintained for a long time.
Specifically, the side of the aluminum alloy housing 1 is fixedly connected with an installation frame 17, and the installation frame 17 is screwed with a fixing bolt 18.
In this embodiment, the mounting bracket 17 fixes the aluminum alloy housing 1 and the inductor 3, the electromagnetic counter 4, the microampere meter 5, and other components carried by the housing to the side of the lightning arrester or the electric tower by the fixing bolt 18.
Specifically, the insulating column 11 has a stacked pagoda-shaped structure.
In this embodiment, the insulating column 11 has a stacked pagoda-shaped structure, and can well block high-voltage arcs generated during lightning strikes.
The inductor 3, the electromagnetic counter 4 and the microampere ammeter 5 in the present embodiment are known technologies that have been disclosed to be widely used in industrial production and daily life.
The utility model discloses a theory of operation and use flow: when the lightning arrester generates a large current by lightning stroke, the large current is conducted to the inductor 3 through the wiring terminal 12, a corresponding voltage can be obtained on the inductor 3, the voltage is reduced through the voltage reduction resistor 6, the electromagnetic coil 8 of the electromagnetic counter 4 is discharged after rectification processing of the rectifying circuit 7, the electromagnet in the electromagnetic coil 8 attracts the armature 9, the armature 9 pulls the pressing part 10 of the counter once, after the large current disappears, the armature 9 in the electromagnetic counter 4 resets to complete one-time counting, the input times of the large current can be displayed sequentially by progressive, and then the working times of the lightning arrester are reflected, and the lightning arrester with the microampere ammeter 5 is also provided with a high-power circuit shunt circuit for monitoring the leakage current of the lightning arrester in real time; stainless steel ground terminal 14 electric connection thunderbolt signal output line for take the arrester counter of thunderbolt signal output line, take the arrester counter of thunderbolt signal output line to pass through stainless steel ground terminal 14 and connect the output signal line, with the thunderbolt signal transmission who detects extremely the utility model discloses a remote signal monitoring devices in addition, take the arrester discharge counter of thunderbolt signal output, can be in the normal during operation of arrester, do not need the break-off voltage, also do not need to dismantle the arrester, just can connect the thunderbolt signal output line, through the number of times of remote monitoring device control thunderbolt, at the surface spraying epoxy powder paint layer 15 of aluminum alloy housing 1 can greatly improve its ability of resisting corrosion, it resists the erosion of ultraviolet ray to insulated column 11 well to spray at the outer surface of insulated column 11 anti ultraviolet insulating layer 16 to install simple maintenance-free, long service life, the operation is safe and reliable; is not sensitive to discharge waveforms; the connecting terminal is not rusted, and the aluminum alloy shell 1 is small and exquisite and firm in size; the performance of the product is not influenced by the external environment, and the product is suitable for a lightning arrester which operates in a 75kV-550kV voltage class power grid, and the safe operation of the power grid is fully ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a durable lightning-arrest counter that discharges of using, includes aluminum alloy shell (1), inductor (3), electromagnetism counter (4) and microampere level ampere meter (5), its characterized in that: the electromagnetic induction type aluminum alloy shell is characterized in that an insulating mounting plate (2) is fixedly arranged at the bottom end of an inner cavity of the aluminum alloy shell (1), the top surface of the insulating mounting plate (2) is separated and fixed with the inductor (3), the electromagnetic counter (4) and the microampere-grade ammeter (5), a voltage reduction resistor (6) and a rectifying circuit (7) are arranged in the inductor (3), an electromagnetic coil (8) and an armature (9) are arranged in the electromagnetic counter (4), the electromagnetic coil (8) intermittently attracts one end of the armature (9), the other end of the armature (9) is poked and connected with a counter pressing portion (10, the output end of the voltage reduction resistor (6) is electrically connected with the rectifying circuit (7), the rectifying circuit (7) is electrically connected with the electromagnetic coil (8), the bottom end of the aluminum alloy shell (1) is connected with a stainless steel grounding terminal (14) in a screwed mode, and the microampere-level ammeter (5) is connected between the electromagnetic coil (8) and the stainless steel grounding terminal (14) in series.
2. A durable lightning protection discharge counter according to claim 1, characterized in that: the surface spraying of aluminum alloy shell (1) has epoxy powder lacquer layer (15), the surface spraying of insulated column (11) has ultraviolet resistance insulating layer (16).
3. A durable lightning protection discharge counter according to claim 1, characterized in that: the avris fixedly connected with mounting bracket (17) of aluminum alloy shell (1), spiral shell is connected with fixing bolt (18) on mounting bracket (17).
4. A durable lightning protection discharge counter according to claim 1, characterized in that: the insulating column (11) is of a laminated pagoda-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020489112.9U CN211905511U (en) | 2020-04-03 | 2020-04-03 | Durable lightning-arrest counter that discharges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020489112.9U CN211905511U (en) | 2020-04-03 | 2020-04-03 | Durable lightning-arrest counter that discharges |
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| Publication Number | Publication Date |
|---|---|
| CN211905511U true CN211905511U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020489112.9U Active CN211905511U (en) | 2020-04-03 | 2020-04-03 | Durable lightning-arrest counter that discharges |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889992A (en) * | 2021-12-07 | 2022-01-04 | 山东中呈防雷科技有限公司 | Power supply lightning arrester alarm device |
| CN117269587A (en) * | 2023-11-21 | 2023-12-22 | 国网辽宁省电力有限公司 | Lightning stroke detection device and method for high-voltage transmission line |
-
2020
- 2020-04-03 CN CN202020489112.9U patent/CN211905511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889992A (en) * | 2021-12-07 | 2022-01-04 | 山东中呈防雷科技有限公司 | Power supply lightning arrester alarm device |
| CN117269587A (en) * | 2023-11-21 | 2023-12-22 | 国网辽宁省电力有限公司 | Lightning stroke detection device and method for high-voltage transmission line |
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