CN216648898U - Lightning protection device of switch board - Google Patents
Lightning protection device of switch board Download PDFInfo
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- CN216648898U CN216648898U CN202122640302.3U CN202122640302U CN216648898U CN 216648898 U CN216648898 U CN 216648898U CN 202122640302 U CN202122640302 U CN 202122640302U CN 216648898 U CN216648898 U CN 216648898U
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- lightning arrester
- control cabinet
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Abstract
The utility model discloses a lightning protection device of a control cabinet, which comprises a power supply module, a lightning arrester detection module, an MCU module and a display module, wherein the power supply module is used for providing power for the lightning arrester detection module, the MCU module and the display module, the lightning arrester module is used for carrying out lightning protection on the control cabinet, the lightning arrester detection module is used for acquiring the state information of the lightning arrester module, the MCU module is used for receiving the state information of the lightning arrester module sent by the lightning arrester detection module, and controls the display module to display the state information of the lightning arrester module, the lightning arrester module is used for lightning protection of the control cabinet, and the state of the lightning arrester is acquired through the lightning arrester detection module, and the MCU module is used for displaying the state of the lightning arrester, so that the lightning arrester is replaced in time when being degraded, and invalid lightning protection is avoided.
Description
Technical Field
The utility model relates to the technical field of lightning protection, in particular to a lightning protection device of a control cabinet.
Background
To installing the outdoor switch board, it is very easily to suffer the destruction of thunder and lightning, when the switch board suffered the thunder and lightning destruction, will face very big economic loss potential safety hazard, then, it is very necessary to install lightning protection device on the switch board, simultaneously, when the lightning protection device of installation on the switch board when the degradation, will unable protection switch board to, also be very necessary to the monitoring of arrester.
Therefore, it is an urgent need to solve the above problems by providing a new technical solution.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a lightning protection device for a control cabinet to solve the above technical problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a lightning protection device of switch board, includes power supply module, arrester detection module, MCU module and display module.
In the above scheme, the power supply module is configured to provide power for the lightning arrester detection module, the MCU module, and the display module.
In the above scheme, the lightning arrester module is used for lightning protection of the control cabinet.
In the above scheme, the lightning arrester detection module is connected to the lightning arrester module, and the lightning arrester detection module is configured to obtain status information of the lightning arrester module.
In the above scheme, the MCU module is connected to the lightning arrester detection module, the display module is connected to the MCU module, and the MCU module is configured to receive the status information of the lightning arrester module sent by the lightning arrester detection module and control the display module to display the status information of the lightning arrester module.
In the above scheme, the power supply module includes an adapter, a power management chip and a lithium battery, the power management chip is connected to the adapter, and the lithium battery is connected to the power management chip.
In the above scheme, the lightning arrester module includes a lightning arrester and a down conductor, and the down conductor is connected with the lightning arrester.
In the above solution, the surge arrester module further includes a surge protector and a grounding device, the surge protector is connected to the device inside the control cabinet; the grounding device is connected with the down lead and comprises a metal grounding body and a grounding wire, and the grounding wire is connected with the metal grounding body.
In the above scheme, the lightning arrester detection module includes a leakage current detection unit, the leakage current detection unit includes a current sensor, a first signal amplifier and a signal filter, the signal amplifier is connected to the current sensor, and the signal filter is connected to the signal amplifier.
In the above scheme, the lightning arrester detection module further includes a lightning strike detection unit, a surge detection unit and a ground resistance detection unit, the lightning strike detection unit includes an electromagnetic inductor and a first photoelectric coupler, and the photoelectric coupler is connected with the electromagnetic inductor; the surge detection unit comprises a surge detector and a second photoelectric coupler, and the second photoelectric coupler is connected with the surge detector; the ground resistance detection unit comprises a resistance measuring instrument and a second signal amplifier, and the second signal amplifier is connected with the resistance measuring instrument.
In the above scheme, the MCU module includes an MCU chip, an a/D converter, a memory chip and a clock chip, and the a/D converter, the memory chip and the clock chip are all connected to the MCU chip.
In the above scheme, the display module includes pilot lamp unit and display screen unit, the pilot lamp unit includes MOS nest of tubes and double-colored LED banks, double-colored LED banks with MOS nest of tubes is connected, the display screen unit includes LCD display screen and lock screen button, the lock screen button with the LCD display screen is connected.
In conclusion, the beneficial effects of the utility model are as follows: carry out lightning protection through the arrester module to the switch board to acquire the state of arrester through arrester detection module, and according to the state that shows the arrester through the MCU module, thereby, when the arrester degradation, in time change avoids invalid lightning protection.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic composition diagram of a lightning protection device of a control cabinet according to the present invention.
Fig. 2 is a schematic composition diagram of the lightning arrester detection module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
As shown in fig. 1, the lightning protection device of a control cabinet of the present invention includes a power supply module, a lightning arrester detection module, an MCU module, and a display module.
The connection relationship between the above modules of the present invention will be further described in detail with reference to the accompanying drawings.
The power supply module is used for supplying power to the lightning arrester detection module, the MCU module and the display module; the lightning arrester module is used for carrying out lightning protection on the control cabinet; the lightning arrester detection module is connected with the lightning arrester module and is used for acquiring the state information of the lightning arrester module; the MCU module is connected with the lightning arrester detection module, the display module is connected with the MCU module, and the MCU module is used for receiving the state information of the lightning arrester module sent by the lightning arrester detection module and controlling the display module to display the state information of the lightning arrester module.
Further, the power supply module comprises an adapter, a power management chip and a lithium battery, wherein the power management chip is connected with the adapter, and the lithium battery is connected with the power management chip.
In this embodiment, the adapter is used for supplying power for lightning protection device to charge for the lithium cell through the power management chip, the power management chip is used for control the charge-discharge process of lithium cell, the lithium cell is used for saving the electric energy, supplies power for lightning protection device when having a power failure.
Further, the arrester module includes arrester and downlead, the downlead with the arrester is connected.
In this embodiment, the lightning receptor guides the lightning to itself by using its protruding position higher than the protected control cabinet, and the downlead is a metal conductor connecting the lightning receptor and the grounding device.
Further, the lightning arrester module also comprises a surge protector and a grounding device, wherein the surge protector is connected to devices inside the control cabinet; the grounding device is connected with the down lead and comprises a metal grounding body and a grounding wire, and the grounding wire is connected with the metal grounding body.
In the embodiment, the surge protector is used for protecting important devices inside the control cabinet, so that the important devices inside the control cabinet are protected from being damaged by external lightning; the grounding device is used for releasing lightning current to the ground so as to be beneficial to reducing lightning overvoltage.
As shown in fig. 2, the lightning arrester detecting module includes a leakage current detecting unit including a current sensor, a first signal amplifier and a signal filter, the signal amplifier is connected to the current sensor, and the signal filter is connected to the signal amplifier.
In this embodiment, current sensor is connected with the downlead of arrester module, current sensor is used for acquireing the downlead leakage current signal of arrester module to pass through downlead leakage current signal amplifier handles the amplification, through signal filter sends after carrying out filtering to the MCU module.
Furthermore, the lightning arrester detection module further comprises a lightning stroke detection unit, a surge detection unit and a ground resistance detection unit, wherein the lightning stroke detection unit comprises an electromagnetic inductor and a first photoelectric coupler, and the photoelectric coupler is connected with the electromagnetic inductor; the surge detection unit comprises a surge detector and a second photoelectric coupler, and the second photoelectric coupler is connected with the surge detector; the ground resistance detection unit comprises a resistance measuring instrument and a second signal amplifier, and the second signal amplifier is connected with the resistance measuring instrument.
In this embodiment, the lightning strike detection unit is connected to the down conductor and used for measuring the number of lightning strikes, and the electromagnetic inductor is used for inducing the lightning strike current pulse of the down conductor and sending the lightning strike current pulse to the MCU module through the first photoelectric coupler; an electromagnetic inductor; the surge detection unit is connected to a grounding wire in the grounding device, and the surge detector is used for measuring surge pulses passing through the lightning arrester module and sending the surge pulses to the MCU module through the second electric coupler; the ground resistance measuring instrument is used for acquiring a ground resistance signal of the down lead, amplifying the ground resistance signal by the second signal amplifier and then transmitting the ground resistance signal to the MCU module.
Furthermore, the MCU module comprises an MCU chip, an A/D converter, a memory chip and a clock chip, wherein the A/D converter, the memory chip and the clock chip are all connected with the MCU chip.
In this embodiment, the a/D converter is configured to convert the acquired analog signal into a digital signal and send the digital signal to the MCU chip, the memory chip is configured to store the signal processed by the MCU chip, and the clock chip is configured to obtain real-time and send the real-time to the MCU chip.
Further, the display module includes pilot lamp unit and display screen unit, the pilot lamp unit includes MOS nest of tubes and double-colored LED banks, double-colored LED banks with MOS nest of tubes is connected, the display screen unit includes LCD display screen and lock screen button, the lock screen button with the LCD display screen is connected.
In this embodiment, the MOS tube set is configured to drive the dual-color LED lamp set to turn on, turn off and emit lights with different colors, the MOS tube set includes a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube, a sixth MOS tube, a seventh MOS tube and an eighth MOS tube, the dual-color LED lamp set includes a first dual-color LED lamp, a second dual-color LED lamp, a third dual-color LED lamp and a fourth dual-color LED lamp, a first end of the first dual-color LED lamp is connected to the first MOS tube, a second end of the first dual-color LED lamp is connected to the second MOS tube, a first end of the second dual-color LED lamp is connected to the third MOS tube, a second end of the second dual-color LED lamp is connected to the fourth MOS tube, a first end of the third dual-color LED lamp is connected to the fifth MOS tube, and a second end of the third dual-color LED lamp is connected to the sixth MOS tube, the first end of the fourth double-color LED lamp is connected with the seventh MOS tube, and the second end of the fourth double-color LED lamp is connected with the eighth MOS tube; the lightning arrester comprises a lightning arrester module, a first double-color LED lamp, a second double-color LED lamp, a third double-color LED lamp and a fourth double-color LED lamp, wherein the first double-color LED lamp is used for indicating the down conductor leakage current state of the lightning arrester module, the second double-color LED lamp is used for indicating the lightning stroke frequency state of the lightning arrester module, the third double-color LED lamp is used for indicating the surge pulse state passing through the lightning arrester module, and the fourth double-color LED lamp is used for indicating the ground resistance state of the down conductor of the lightning arrester module.
In this embodiment, the LCD display screen is used for displaying the working state of the lightning arrester module, and is controlled to be turned on and off through the screen locking button.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. 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 (8)
1. The utility model provides a lightning protection device of switch board which characterized in that includes: the lightning arrester monitoring system comprises a power supply module, a lightning arrester detection module, an MCU module and a display module;
the power supply module is used for supplying power to the lightning arrester detection module, the MCU module and the display module;
the lightning arrester module is used for performing lightning protection on the control cabinet;
the lightning arrester detection module is connected with the lightning arrester module and is used for acquiring the state information of the lightning arrester module;
the MCU module is connected with the lightning arrester detection module, the display module is connected with the MCU module, and the MCU module is used for receiving the state information of the lightning arrester module sent by the lightning arrester detection module and controlling the display module to display the state information of the lightning arrester module.
2. The lightning protection device for the control cabinet according to claim 1, wherein the power supply module includes an adapter, a power management chip and a lithium battery, the power management chip is connected to the adapter, and the lithium battery is connected to the power management chip.
3. The lightning protection device of a control cabinet according to claim 1, wherein the lightning arrester module comprises a lightning receptor and a down conductor, the down conductor being connected to the lightning receptor.
4. The lightning protection device of a control cabinet of claim 3, wherein the lightning arrester module further comprises a surge protector and a grounding device, the surge protector is connected to the device inside the control cabinet; the grounding device is connected with the down lead and comprises a metal grounding body and a grounding wire, and the grounding wire is connected with the metal grounding body.
5. The lightning protection device of a control cabinet according to claim 1, wherein the lightning arrester detection module comprises a leakage current detection unit, the leakage current detection unit comprises a current sensor, a first signal amplifier and a signal filter, the signal amplifier is connected with the current sensor, and the signal filter is connected with the signal amplifier.
6. The lightning protection device of the control cabinet according to claim 5, wherein the lightning arrester detection module further comprises a lightning strike detection unit, a surge detection unit and a ground resistance detection unit, the lightning strike detection unit comprises an electromagnetic inductor and a first photoelectric coupler, and the photoelectric coupler is connected with the electromagnetic inductor; the surge detection unit comprises a surge detector and a second photoelectric coupler, and the second photoelectric coupler is connected with the surge detector; the ground resistance detection unit comprises a resistance measuring instrument and a second signal amplifier, and the second signal amplifier is connected with the resistance measuring instrument.
7. The lightning protection device for the control cabinet according to claim 1, wherein the MCU module comprises an MCU chip, an A/D converter, a memory chip and a clock chip, and the A/D converter, the memory chip and the clock chip are all connected with the MCU chip.
8. The lightning protection device of the control cabinet according to claim 1, wherein the display module includes an indicator light unit and a display screen unit, the indicator light unit includes an MOS tube set and a bi-color LED tube set, the bi-color LED tube set is connected to the MOS tube set, the display screen unit includes an LCD display screen and a screen locking button, and the screen locking button is connected to the LCD display screen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122640302.3U CN216648898U (en) | 2021-10-29 | 2021-10-29 | Lightning protection device of switch board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122640302.3U CN216648898U (en) | 2021-10-29 | 2021-10-29 | Lightning protection device of switch board |
Publications (1)
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CN216648898U true CN216648898U (en) | 2022-05-31 |
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CN202122640302.3U Active CN216648898U (en) | 2021-10-29 | 2021-10-29 | Lightning protection device of switch board |
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CN (1) | CN216648898U (en) |
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2021
- 2021-10-29 CN CN202122640302.3U patent/CN216648898U/en active Active
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Effective date of registration: 20230803 Address after: Workshop 2, No. 10 Wuqiao Middle Road, Longwen District, Zhangzhou City, Fujian Province, 363000 Patentee after: Zhangzhou Huayu Electrical Equipment Co.,Ltd. Address before: 363020 No. 01, building 39, zone 1, Liandong u Valley, Longmei Road, Longwen District, Zhangzhou City, Fujian Province Patentee before: Zhangzhou Huayu Electric Technology Co.,Ltd. |
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