CN212622796U - Lightning protection monitoring system - Google Patents
Lightning protection monitoring system Download PDFInfo
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- CN212622796U CN212622796U CN202021541506.0U CN202021541506U CN212622796U CN 212622796 U CN212622796 U CN 212622796U CN 202021541506 U CN202021541506 U CN 202021541506U CN 212622796 U CN212622796 U CN 212622796U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 21
- 230000001012 protector Effects 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a lightning protection monitoring system, including lightning protection device, a power supply unit, controlling means, lightning protection device includes two-stage lightning protection device and lightning current sensor, lightning current is earlier released through one-level lightning protection device lightning protection, export after the release of second grade lightning protection device lightning protection behind the rethread power isolation suppressor, the N-terminal of one-level lightning protection device connects the earth connection after passing through a gas discharge tube, lightning current sensor cover is located on this earth connection, the lightning protection device is including surge protector, temperature sensor and the temperature controller of hugging closely with surge protector, controlling means includes microcontroller, a temperature sensor, the temperature controller all is connected with microcontroller electricity, power supply unit includes lightning current sampling circuit, lightning current sensor passes through the electricity behind the lightning current sampling circuit and connects in microcontroller. The utility model discloses can real-time supervision surge protector's temperature, can send deterioration warning signal or inefficacy warning signal in advance, the intensity of output display lightning current that can highly imitate.
Description
Technical Field
The utility model relates to a lightning protection monitoring system.
Background
With the rapid development of intelligent low-voltage power machine rooms and communication technologies, microelectronic equipment and devices are more widely applied to power and communication power supplies; these devices are sensitive to surges caused by lightning induction and electromagnetic induction, and thus the requirements on lightning protection technology are higher and higher. The traditional lightning protection technology can only give an alarm after the failure of a lightning protection device, and cannot give an early warning on the performance of the lightning protection device so as to replace the lightning protection device in advance, so that great potential safety hazards exist.
Lightning current is finally discharged to the ground through the lightning protection device, and the grounding state of the ground wire is of great importance to the lightning protection performance and the personal safety. Therefore, it is necessary to monitor the state thereof in real time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to improve not enough among the above-mentioned prior art and provide a lightning protection monitoring system.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a lightning protection monitoring system, includes lightning protection device, power supply unit, controlling means, lightning protection device includes two-stage lightning protection device and lightning current sensor, and lightning current is earlier released through one-level lightning protection device lightning protection, and rethread power isolation inhibitor is back exported through two-stage lightning protection device lightning protection release back, and the N end of one-level lightning protection device connects the earth connection behind a gas discharge tube, on this earth connection was located to the lightning current sensor cover, the lightning protection device was including surge protector, the temperature sensor and the temperature controller of hugging closely with surge protector, controlling means includes microcontroller, temperature sensor, temperature controller all are connected with microcontroller electricity, power supply unit includes lightning current sampling circuit, lightning current sensor passes through the electricity behind the lightning current sampling circuit and connects in microcontroller.
Further, a lightning current calculation software module is arranged in the microcontroller and used for converting the signals transmitted by the lightning current sampling circuit into display data signals of current.
Furthermore, the control device also comprises a temperature sampling circuit, and the temperature sensor is electrically connected with the microcontroller through the temperature sampling circuit.
Further, a lightning protection state software module is arranged in the microcontroller, and the lightning protection state software module is used for outputting a degradation alarm signal or a failure alarm signal through software algorithm processing after the microcontroller receives the voltage signal transmitted by the temperature controller.
Furthermore, the output end of the microcontroller is also connected with a display screen for displaying the information state of the monitoring system.
Furthermore, the output end of the microcontroller is also connected with an electronic buzzer, and the electronic buzzer is used for giving out alarm sound.
Further, the microcontroller is also electrically connected with a serial RS485 communication interface for connecting a server.
Furthermore, the input end of the microcontroller is also connected with a key for controlling the whole monitoring system; and the port of the microcontroller is also connected with a watchdog circuit.
Furthermore, the power supply device comprises a grounding state detection circuit, one end of the grounding state detection circuit is grounded, and the other end of the grounding state detection circuit is connected with the microcontroller; the power supply device also comprises an AD/DC conversion circuit, and one path of output of the AD/DC conversion circuit supplies power to the control device; the power supply device also comprises a booster circuit, and the other path of the AD/DC conversion circuit is output to the booster circuit and is output to the control device for power supply after being boosted by the booster circuit; the power supply device also comprises a rechargeable battery, one path of the AD/DC conversion circuit is output to the rechargeable battery, one path of the rechargeable battery is directly output to the control device for supplying power, and the other path of the rechargeable battery is output to the booster circuit and supplies power to the control device through the booster circuit.
In the lightning current monitoring method of the lightning protection monitoring system, the lightning current sampling circuit is a 2w10 rectifier bridge, and the lightning current calculation software module comprises the following lightning current intensity algorithm formula:
y = 5×10-3x2 + 1.92x + 4.73，
wherein y is a lightning current value displayed by the monitoring system and has a unit of kA; and x is the value of the direct current output voltage of the 2w10 rectifier bridge lightning current sampling circuit and has the unit of volt.
The utility model discloses an useful part lies in: the temperature of the surge protector can be monitored in real time through the temperature sensor, and a degradation alarm signal or a failure alarm signal can be sent in advance through the temperature controller, so that the utility model has a high-temperature pre-alarm function and a real-time temperature monitoring function; meanwhile, the intensity of the lightning current can be output and displayed in a highly simulated mode through a lightning current sensor and a software algorithm in a microcontroller.
Drawings
FIG. 1 is a functional block diagram of the first embodiment.
Fig. 2 is a schematic circuit diagram of a lightning protection device according to a first embodiment and its peripheral circuits.
Fig. 3 is a schematic circuit diagram of the bleeding unit according to the first embodiment.
Fig. 4 is a pin wiring diagram of the microcontroller according to the first embodiment.
Fig. 5 is a schematic circuit diagram of a lightning current sampling circuit according to the first embodiment.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example one
Referring to fig. 1 to 5, a lightning protection monitoring system comprises a lightning protection device, a power supply device and a control device, wherein the lightning protection device comprises a two-stage lightning protection device and a lightning current sensor, lightning current is discharged in a lightning protection mode through a first-stage lightning protection device, then is output after being discharged in a lightning protection mode through a second-stage lightning protection device after passing through a power isolation suppressor, the N end of the first-stage lightning protection device is connected with a grounding wire PE after passing through a gas discharge tube, the lightning current sensor is sleeved on the grounding wire, the lightning protection device comprises a surge protector, a temperature sensor and a temperature controller, the temperature sensor and the temperature controller are tightly attached to the surge protector, the control device comprises a microcontroller, the temperature sensor and the temperature controller are both electrically connected with the microcontroller, the power supply device comprises a lightning current sampling circuit, and the lightning; the N end of the secondary lightning protection device is also connected with the grounding wire PE' through a gas discharge tube, and meanwhile, the N end of the primary lightning protection device is connected with the N end of the secondary lightning protection device through a gas discharge tube and a grounding isolation suppressor.
In this embodiment, a lightning current calculation software module is provided in the microcontroller, and is configured to convert a signal transmitted by the lightning current sampling circuit into a display data signal of a current.
In this embodiment, the control device further includes a temperature sampling circuit, and the temperature sensor is electrically connected to the microcontroller through the temperature sampling circuit.
In this embodiment, a lightning protection state software module is disposed in the microcontroller, and the lightning protection state software module is configured to output a degradation alarm signal or a failure alarm signal through software algorithm processing after the microcontroller receives a voltage signal transmitted from the temperature controller.
In this embodiment, the output end of the microcontroller is further connected with a display screen, and the display screen is an LED screen and/or an LCD screen and is used for displaying the information state of the monitoring system.
In this embodiment, the output end of the microcontroller is further connected with an electronic buzzer, and the electronic buzzer is used for sounding an alarm.
In this embodiment, the microcontroller is further electrically connected with a serial RS485 communication interface for connecting with a server.
In this embodiment, the input end of the microcontroller is further connected with a key for controlling the whole monitoring system; and the port of the microcontroller is also connected with a watchdog circuit.
In this embodiment, the power supply device includes a ground state detection circuit, one end of which is grounded and the other end of which is connected to the microcontroller; the power supply device also comprises an AD/DC conversion circuit, wherein the input end of the AD/DC conversion circuit is connected with commercial power after passing through the lightning protection device, and one path of output of the AD/DC conversion circuit is used for supplying power to the control device; the power supply device also comprises a booster circuit, and the other path of the AD/DC conversion circuit is output to the booster circuit and is output to the control device for power supply after being boosted by the booster circuit; the power supply device also comprises a rechargeable battery, one path of the AD/DC conversion circuit is output to the rechargeable battery, one path of the rechargeable battery is directly output to the control device for supplying power, and the other path of the rechargeable battery is output to the booster circuit and supplies power to the control device through the booster circuit. Therefore, three paths of direct current with different voltages are used for supplying power to the control device and supplying power to components needing different voltages in the control device.
In the lightning current monitoring method of the lightning protection monitoring system, the lightning current sampling circuit is a 2w10 rectifier bridge, and the lightning current calculation software module comprises the following lightning current intensity algorithm formula:
y = 5×10-3x2 + 1.92x + 4.73，
wherein y is a lightning current value displayed by the monitoring system and has a unit of kA; and x is the value of the direct current output voltage of the 2w10 rectifier bridge lightning current sampling circuit and has the unit of volt.
Fig. 2 shows a circuit structure of a lightning protection device 1 and a connection method thereof in this embodiment, where the lightning protection device 1 includes three bleeding units 6, and each bleeding unit includes a surge protector 5, a first temperature breaking device 2 connected in series with the surge protector 5, a temperature sensor 3 attached to the surge protector, and a temperature controller 4.
In FIG. 5, J3-1 and J3-2 are connected with lightning current sensors, and after being rectified by a 2w10 rectifier bridge, J2-1 outputs direct current voltage X.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a lightning protection monitoring system, includes lightning protection device, power supply unit, controlling means, lightning protection device includes two-stage lightning protection device and lightning current sensor, and lightning current is earlier released through one-level lightning protection device lightning protection, and rethread power isolation inhibitor is back exported through two-stage lightning protection device lightning protection release back, and the N end of one-level lightning protection device connects the earth connection behind a gas discharge tube, on this earth connection was located to the lightning current sensor cover, the lightning protection device was including surge protector, the temperature sensor and the temperature controller of hugging closely with surge protector, controlling means includes microcontroller, temperature sensor, temperature controller all are connected with microcontroller electricity, power supply unit includes lightning current sampling circuit, lightning current sensor passes through the electricity behind the lightning current sampling circuit and connects in microcontroller.
2. The lightning protection monitoring system of claim 1, wherein: and a lightning current calculating software module is arranged in the microcontroller and used for converting the signals transmitted by the lightning current sampling circuit into display data signals of current.
3. The lightning protection monitoring system of claim 2, wherein: the control device further comprises a temperature sampling circuit, and the temperature sensor is electrically connected to the microcontroller through the temperature sampling circuit.
4. The lightning protection monitoring system of claim 3, wherein: and a lightning protection state software module is arranged in the microcontroller and is used for outputting a degradation alarm signal or a failure alarm signal after the microcontroller receives a voltage signal transmitted by the temperature controller and is processed by a software algorithm.
5. The lightning protection monitoring system of claim 4, wherein: the output end of the microcontroller is also connected with a display screen for displaying the information state of the monitoring system.
6. The lightning protection monitoring system of claim 5, wherein: the output end of the microcontroller is also connected with an electronic buzzer, and the electronic buzzer is used for giving out an alarm sound.
7. The lightning protection monitoring system of claim 6, wherein: and the microcontroller is also electrically connected with a serial RS485 communication interface for connecting a server.
8. The lightning protection monitoring system of claim 7, wherein: the input end of the microcontroller is also connected with a key for controlling the whole monitoring system; and the port of the microcontroller is also connected with a watchdog circuit.
9. The lightning protection monitoring system of claim 8, wherein: the power supply device comprises a grounding state detection circuit, one end of the grounding state detection circuit is grounded, and the other end of the grounding state detection circuit is connected with the microcontroller; the power supply device also comprises an AD/DC conversion circuit, and one path of output of the AD/DC conversion circuit supplies power to the control device; the power supply device also comprises a booster circuit, and the other path of the AD/DC conversion circuit is output to the booster circuit and is output to the control device for power supply after being boosted by the booster circuit; the power supply device also comprises a rechargeable battery, one path of the AD/DC conversion circuit is output to the rechargeable battery, one path of the rechargeable battery is directly output to the control device for supplying power, and the other path of the rechargeable battery is output to the booster circuit and supplies power to the control device through the booster circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541506.0U CN212622796U (en) | 2020-07-30 | 2020-07-30 | Lightning protection monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541506.0U CN212622796U (en) | 2020-07-30 | 2020-07-30 | Lightning protection monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212622796U true CN212622796U (en) | 2021-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021541506.0U Active CN212622796U (en) | 2020-07-30 | 2020-07-30 | Lightning protection monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212622796U (en) |
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2020
- 2020-07-30 CN CN202021541506.0U patent/CN212622796U/en active Active
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Effective date of registration: 20240909 Address after: No. 28 Jingqi Road, Maosanqian Village, Qiaotou Town, Cixi City, Ningbo City, Zhejiang Province 315300 Patentee after: Ningbo Leidun Defense Technology Co.,Ltd. Country or region after: China Address before: No.28, jing7 Road, Fuhai home appliance industrial park, Cixi City, Ningbo City, Zhejiang Province Patentee before: CIXI WANNENG ELECTRONICS Co.,Ltd. Country or region before: China |