Circuit, method and device for displaying the number of lightning strikes in multiple segments

Abstract

The present application provides a circuit, method and device for displaying the number of lightning strikes in multiple segments. The circuit includes a control component, a communication component, and at least two lightning strike signal comparison components, wherein the comparison thresholds preset in each lightning strike signal comparison component are different. The lightning strike signal comparison component is connected to the control component. When a lightning strike signal is received, the lightning strike signal comparison component determines the lightning strike position corresponding to the lightning strike signal according to the preset comparison threshold, and transmits the lightning strike position to the control component; the control component is connected to the communication component, and the control component obtains the number of lightning strikes according to the stored data, and sends the number of lightning strikes and the lightning strike position to an external monitoring device through the communication component. The number of lightning strikes monitored by the present invention can be displayed in grades, so that the user can clearly understand the lightning strike status and the size and frequency; and the time of the lightning strike can be queried, and it has a communication function so that the user can do secondary development.

Description

Technical Field

[0001] The present application relates to the field of detection circuits, and in particular to circuits, methods and devices for displaying the number of lightning strikes in multiple segments. Background Art

[0002] In seasons and regions with frequent lightning, equipment is easily damaged by lightning. Lightning protection is a comprehensive system engineering, which requires prevention and improvement from many aspects to protect equipment from lightning strikes to the maximum extent. The lightning counter is a device that reflects the condition of surge intrusion on the equipment so that corresponding measures can be taken.

[0003] At present, the existing lightning counters either do not have the communication function to upload data, or do not have a multi-segment display of lightning current, and the measured data is relatively general. Summary of the invention

[0004] In view of the above problems, the present application is proposed to provide a circuit, method and device for displaying the number of lightning strikes in multiple segments that overcome the above problems or at least partially solve the above problems, including:

[0005] A circuit for displaying the number of lightning strikes in multiple segments, the circuit comprising a control component, a communication component, and at least two lightning strike signal comparison components, wherein the comparison thresholds preset in each of the lightning strike signal comparison components are different.

[0006] The lightning strike signal comparison component is connected to the control component. When a lightning strike signal is received, the lightning strike signal comparison component determines the lightning strike position corresponding to the lightning strike signal according to the preset comparison threshold value, and transmits the lightning strike position to the control component.

[0007] The control component is connected to the communication component. The control component obtains the number of lightning strikes based on the stored data, and sends the number of lightning strikes and the lightning strike level to an external monitoring device through the communication component.

[0008] Furthermore, it also includes a lightning signal acquisition component,

[0009] The lightning strike signal acquisition component is connected to each lightning strike signal comparison component respectively; in the case of being struck by lightning, the lightning strike signal acquisition component acquires the lightning strike signal and sends the lightning strike signal to each lightning strike signal comparison component.

[0010] Furthermore, it also includes a rectifier voltage divider component,

[0011] The lightning strike signal acquisition component is connected to the lightning strike signal comparison components respectively through the rectification and voltage divider component; in the event of a lightning strike, the lightning strike signal acquisition component acquires the lightning strike signal and sends the lightning strike signal to the rectification and voltage divider component, the rectification and voltage divider component rectifies the current of the lightning strike signal, divides the rectified lightning strike signal current, and sends it to each lightning strike signal comparison component.

[0012] Furthermore, the lightning strike signal comparison component includes: a first lightning strike signal comparison component, a second lightning strike signal comparison component, and a third lightning strike signal comparison component, wherein the first lightning strike signal comparison component is used to generate a signal for the total number of lightning strikes, the second lightning strike signal comparison component is used to generate a signal for the second level of lightning strikes, and the third lightning strike signal comparison component is used to generate a signal for the maximum level of lightning strikes.

[0013] Furthermore, the rectifying and voltage dividing component includes: a rectifier D1, an energy storage capacitor C1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R11, a resistor R12, and a resistor R13,

[0014] The rectifier D1 is connected to the lightning signal acquisition component to acquire the lightning signal;

[0015] The energy storage capacitor C1 is connected to the rectifier to obtain the rectified lightning strike signal;

[0016] The resistor R1 and the resistor R2 are connected in sequence, wherein the other ends of the resistor R1 and the resistor R4 are connected to the energy storage capacitor C1 to obtain the lightning strike signal sent by the energy storage capacitor C1;

[0017] One end of the resistor R11 is connected between the resistor R1 and the resistor R2, and the other end is connected to the first lightning signal comparison component;

[0018] One end of the resistor R12 is connected between the resistor R2 and the resistor R3, and the other end is connected to the second lightning signal comparison component;

[0019] One end of the resistor R13 is connected between the resistor R3 and the resistor R4 , and the other end is connected to the third lightning signal comparison component.

[0020] Furthermore, the first lightning signal comparison component includes: a resistor R5, a resistor R6, and a comparator U1A.

[0021] The resistor R5 is connected to the ground wire through the resistor R6, and the other end is connected to the VCC terminal of the control component;

[0022] The inverting input terminal of the comparator U1A is connected between the resistor R5 and the resistor R6;

[0023] The non-inverting input terminal of the comparator U1A is connected to the resistor R11;

[0024] The output terminal of the comparator U1A is connected to the INT1 terminal of the control component.

[0025] Furthermore, the second lightning signal comparison component includes: a resistor R7, a resistor R8, a comparator U1B

[0026] The resistor R7 is connected to the ground wire through the resistor R8, and the other end is connected to the VCC terminal of the control component;

[0027] The inverting input terminal of the comparator U1B is connected between the resistor R7 and the resistor R8;

[0028] The non-inverting input terminal of the comparator U1B is connected to the resistor R12;

[0029] The output terminal of the comparator U1B is connected to the INT2 terminal of the control component.

[0030] Furthermore, the third lightning signal comparison component includes: a resistor R9, a resistor R10, a comparator U1C

[0031] The resistor R9 is connected to the ground wire through the resistor R10, and the other end is connected to the VCC terminal of the control component;

[0032] The inverting input terminal of the comparator U1C is connected between the resistor R9 and the resistor R10;

[0033] The non-inverting input terminal of the comparator U1C is connected to the resistor R13;

[0034] The output terminal of the comparator U1C is connected to the INT3 terminal of the control component.

[0035] A method for displaying the number of lightning strikes in multiple segments, the method being applied to a circuit for displaying the number of lightning strikes in multiple segments as in any of the above embodiments,

[0036] When a lightning strike signal is received, the lightning strike signal comparison component determines the lightning strike level corresponding to the lightning strike signal according to the preset comparison threshold;

[0037] The number of lightning strikes is obtained according to the stored data, and the number of lightning strikes and the lightning strike level are sent to an external monitoring device through a communication component.

[0038] A device comprises a circuit for displaying the number of lightning strikes in multiple segments as described in any one of the above embodiments.

[0039] This application has the following advantages:

[0040] In an embodiment of the present application, the circuit includes a control component, a communication component, and at least two lightning strike signal comparison components, wherein the comparison thresholds preset in each of the lightning strike signal comparison components are different, and the lightning strike signal comparison component is connected to the control component. When a lightning strike signal is received, the lightning strike signal comparison component determines the lightning strike position corresponding to the lightning strike signal according to the preset comparison threshold, and transmits the lightning strike position to the control component; the control component is connected to the communication component, and the control component obtains the number of lightning strikes according to the stored data, and sends the number of lightning strikes and the lightning strike position to an external monitoring device through the communication component. The number of lightning strikes monitored by the present invention can be displayed in grades, so that the user can see the lightning strike status and frequency at a glance; and the time of the lightning strike can be queried, and it has a communication function so that the user can do secondary development. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the description of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0042] Figure 1 This is a schematic diagram of the module structure of a circuit for displaying the number of lightning strikes in multiple segments provided by an embodiment of the present application;

[0043] Figure 2 This is a schematic diagram of the module structure of a circuit for displaying the number of lightning strikes in multiple segments provided by an embodiment of the present application;

[0044] Figure 3 It is a structural schematic diagram of a rectifier voltage divider component of a circuit for displaying the number of lightning strikes in multiple segments provided by an embodiment of the present application;

[0045] Figure 4 This is a structural diagram of a first lightning strike signal comparison component of a circuit for displaying the number of lightning strikes in multiple segments provided by an embodiment of the present application;

[0046] Figure 5 It is a structural diagram of a first lightning strike signal comparison component of a circuit for displaying the number of lightning strikes in multiple segments provided by one embodiment of the present invention;

[0047] Figure 6 The present invention is a structural diagram of a first lightning strike signal comparison component of a circuit for displaying the number of lightning strikes in multiple segments provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0048] In order to make the objects, features and advantages of the present application more obvious and understandable, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0049] Reference Figure 1 , shows a circuit for displaying the number of lightning strikes in multiple segments provided by an embodiment of the present application, the circuit comprising a control component 110, a communication component 120, and at least two lightning strike signal comparison components 130, wherein the comparison thresholds preset in each of the lightning strike signal comparison components 130 are different,

[0050] The lightning strike signal comparison component 130 is connected to the control component 110. When receiving a lightning strike signal, the lightning strike signal comparison component 130 determines the lightning strike position corresponding to the lightning strike signal according to the preset comparison threshold, and transmits the lightning strike position to the control component 110.

[0051] The control component 110 is connected to the communication component 120 . The control component 110 obtains the number of lightning strikes according to the stored data, and sends the number of lightning strikes and the lightning strike level to an external monitoring device through the communication component 120 .

[0052] In an embodiment of the present application, the circuit includes a control component 110, a communication component 120, and at least two lightning strike signal comparison components 130, wherein the comparison thresholds preset in each of the lightning strike signal comparison components 130 are different, and the lightning strike signal comparison component 130 is connected to the control component 110. When a lightning strike signal is received, the lightning strike signal comparison component 130 determines the lightning strike position corresponding to the lightning strike signal according to the preset comparison threshold, and transmits the lightning strike position to the control component 110; the control component 110 is connected to the communication component 120, and the control component 110 obtains the number of lightning strikes according to the stored data, and sends the number of lightning strikes and the lightning strike position to an external monitoring device through the communication component 120. The number of lightning strikes monitored by the present invention can be displayed in grades, so that the user can see the lightning strike status and frequency at a glance; and the time of the lightning strike can be queried, and it has a communication function so that the user can do secondary development.

[0053] It should be noted that the control component 110 is an MCU, and the solenoid is used to obtain the lightning strike signal. When the lightning strike signal is received, the lightning strike signal comparison component 130 determines the lightning strike gear and the number of lightning strikes for the received lightning strike signal, wherein the lightning strike signal comparison component 130 generally includes at least two, and in this embodiment, preferably includes three, respectively: a first lightning strike signal comparison component 131, a second lightning strike signal comparison component 132, and a third lightning strike signal comparison component 133, wherein the first lightning strike signal comparison component 131 is used to generate a signal for the total number of lightning strikes, and the second lightning strike signal comparison component 132 is used to generate a signal for the total number of lightning strikes. The third lightning signal comparison component 133 is used to generate a signal for the second level of lightning strikes. The third lightning signal comparison component 133 is used to generate a signal for the maximum level of lightning strikes. It may also include more than three. When there are more than three lightning signal comparison components 130, the preset threshold value of the extra comparison component is generally greater than the preset threshold value of the first lightning signal comparison component 131, less than the preset threshold value of the third lightning signal comparison component 133, and not equal to the preset threshold value of the second lightning signal comparison component 132. The specific value is adjusted according to actual needs, such as: 0~1KA is the first level, 1~10KA is the second level, 10~50KA is the third level, and 50KA~100KA is the fourth level.

[0054] In one embodiment, a lightning signal acquisition component 140 is also included.

[0055] The lightning strike signal acquisition component 140 is connected to each lightning strike signal comparison component 130 respectively; when struck by lightning, the lightning strike signal acquisition component 140 acquires the lightning strike signal and sends the lightning strike signal to each lightning strike signal comparison component.

[0056] In one embodiment, a rectifying and voltage dividing component 150 is further included.

[0057] The lightning strike signal acquisition component 140 is connected to the lightning strike signal comparison component 130 through the rectification and voltage division component 150; in the event of a lightning strike, the lightning strike signal acquisition component 140 acquires the lightning strike signal and sends the lightning strike signal to the rectification and voltage division component 150, and the rectification and voltage division component 150 rectifies the current of the lightning strike signal, divides the rectified lightning strike signal current, and sends it to each lightning strike signal comparison component.

[0058] In one embodiment, the rectifying and voltage dividing component 150 includes: a rectifier D1, an energy storage capacitor C1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R11, a resistor R12, and a resistor R13.

[0059] The rectifier D1 is connected to the lightning signal acquisition component 140 to acquire the lightning signal;

[0060] The energy storage capacitor C1 is connected to the rectifier to obtain the rectified lightning strike signal;

[0061] The resistor R1 and the resistor R2 are connected in sequence, wherein the other ends of the resistor R1 and the resistor R4 are connected to the energy storage capacitor C1 to obtain the lightning strike signal sent by the energy storage capacitor C1;

[0062] One end of the resistor R11 is connected between the resistor R1 and the resistor R2, and the other end is connected to the first lightning signal comparison component;

[0063] One end of the resistor R12 is connected between the resistor R2 and the resistor R3, and the other end is connected to the second lightning signal comparison component;

[0064] One end of the resistor R13 is connected between the resistor R3 and the resistor R4 , and the other end is connected to the third lightning signal comparison component.

[0065] In one embodiment, the first lightning signal comparison component 131 includes: a resistor R5, a resistor R6, and a comparator U1A.

[0066] The resistor R5 is connected to the ground wire through the resistor R6, and the other end is connected to the VCC terminal of the control component 110;

[0067] The inverting input terminal of the comparator U1A is connected between the resistor R5 and the resistor R6;

[0068] The non-inverting input terminal of the comparator U1A is connected to the resistor R11;

[0069] The output terminal of the comparator U1A is connected to the INT1 terminal of the control component 110 .

[0070] The positive input terminal of the comparator U1A and the resistor R11 are connected to the ground through the bidirectional transient suppression diode TVS1, the positive input terminal of the comparator U1A is also connected to the ground, and the inverting input terminal of the comparator U1A is also connected to the VCC terminal of the control component 110.

[0071] In one embodiment, the second lightning signal comparison component 132 includes: a resistor R7, a resistor R8, a comparator U1B

[0072] The resistor R7 is connected to the ground wire through the resistor R8, and the other end is connected to the VCC terminal of the control component 110;

[0073] The inverting input terminal of the comparator U1B is connected between the resistor R7 and the resistor R8;

[0074] The non-inverting input terminal of the comparator U1B is connected to the resistor R12;

[0075] The output terminal of the comparator U1B is connected to the INT2 terminal of the control component 110 .

[0076] The non-inverting input terminal of the comparator U1B and the resistor R12 are connected to a ground line via a bidirectional transient suppression diode TVS2.

[0077] In one embodiment, the third lightning signal comparison component 133 includes: a resistor R9, a resistor R10, a comparator U1C

[0078] The resistor R9 is connected to the ground wire through the resistor R10, and the other end is connected to the VCC terminal of the control component 110;

[0079] The inverting input terminal of the comparator U1C is connected between the resistor R9 and the resistor R10;

[0080] The non-inverting input terminal of the comparator U1C is connected to the resistor R13;

[0081] The output terminal of the comparator U1C is connected to the INT3 terminal of the control component 110 .

[0082] The non-inverting input terminal of the comparator U1C and the resistor R13 are connected to a ground line via a bidirectional transient suppression diode TVS3.

[0083] In a specific implementation, the lightning signal acquisition component 140 is a Rogowski coil, which is connected to CON and charges the energy storage capacitor C1 after being rectified by the rectifier D1. The two ends of the energy storage capacitor C1 are respectively connected in series with the resistor R1, the resistor R2, the resistor R3 and the resistor R4 to form a voltage divider circuit, and the two adjacent resistors are connected to the lightning signal comparison component 130 through a resistor, wherein the lightning signal comparison component 130 includes three components, including: a first lightning signal comparison component 131, a second lightning signal comparison component 132, and a third lightning signal comparison component 133. The first lightning signal comparison component 131 is connected between the resistor R1 and the resistor R2 through the resistor R11, and receives the output voltage V01; the second lightning signal comparison component 132 is connected between the resistor R2 and the resistor R3 through the resistor R12, and receives the output voltage V02; the third lightning signal comparison component 133 is connected between the resistor R3 and the resistor R4 through the resistor R13, and receives the output voltage V03, and the reference voltages of the comparator U1A, the comparator U1B, and the comparator U1C are respectively set, that is, corresponding to the starting voltage of the lightning current. When V01, V02 or V03 is greater than the starting voltage, the comparator outputs a high level to the interrupt pin (or ordinary IO port) of the MCU respectively. The MCU counts the number of interrupts of INT1, INT2 and INT3, indicating the total number of lightning strikes, the total number of the second gear and the number of the maximum gear. Then the data is saved and displayed on the screen (such as total lightning strikes XX times, greater than XX times of aKA, greater than XX times of bKA). If there is a host communication query, the data is returned; or the data is actively sent. After reading the interrupt signal each time, the MCU controls the electronic switch (electronic switches include transistors, relays, etc.) through the IO port to close the capacitor C1 for the next lightning strike count to avoid missing successive lightning strikes.

[0084] A method for displaying the number of lightning strikes in multiple segments provided by an embodiment of the present application is shown. The method is applied to a circuit for displaying the number of lightning strikes in multiple segments as in any of the above embodiments.

[0085] When a lightning strike signal is received, the lightning strike signal comparison component 130 determines the lightning strike level corresponding to the lightning strike signal according to the preset comparison threshold;

[0086] The number of lightning strikes is obtained according to the stored data, and the number of lightning strikes and the lightning strike level are sent to an external monitoring device through the communication component 120 .

[0087] The present application also discloses a device according to an embodiment, comprising a circuit for displaying the number of lightning strikes in multiple segments according to any one of the above embodiments.

[0088] Although the preferred embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the present application.

[0089] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.

[0090] The circuit, method and device for displaying the number of lightning strikes in multiple segments provided by the present application are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for those skilled in the art, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A circuit for displaying the number of lightning strikes in multiple segments, characterized in that: The circuit includes a control component, a communication component, and at least two lightning signal comparison components, wherein the comparison thresholds preset in each of the lightning signal comparison components are different. The lightning strike signal comparison component is connected to the control component. When a lightning strike signal is received, the lightning strike signal comparison component determines the lightning strike position corresponding to the lightning strike signal according to the preset comparison threshold value, and transmits the lightning strike position to the control component. The control component is connected to the communication component, and the control component obtains the number of lightning strikes according to the stored data, and sends the number of lightning strikes and the lightning strike level to an external monitoring device through the communication component; It also includes a lightning strike signal acquisition component, which is connected to each lightning strike signal comparison component respectively; in the case of a lightning strike, the lightning strike signal acquisition component acquires a lightning strike signal and sends the lightning strike signal to each lightning strike signal comparison component; It also includes a rectifier and voltage divider component, through which the lightning strike signal acquisition component is connected to the lightning strike signal comparison components respectively; in the case of a lightning strike, the lightning strike signal acquisition component acquires the lightning strike signal and sends the lightning strike signal to the rectifier and voltage divider component, the rectifier and voltage divider component rectifies the current of the lightning strike signal, divides the voltage of the rectified lightning strike signal current, and sends it to each lightning strike signal comparison component; The lightning strike signal comparison component includes: a first lightning strike signal comparison component, a second lightning strike signal comparison component, and a third lightning strike signal comparison component, wherein the first lightning strike signal comparison component is used to generate a signal for the total number of lightning strikes, the second lightning strike signal comparison component is used to generate a signal for the second level of lightning strikes, and the third lightning strike signal comparison component is used to generate a signal for the maximum level of lightning strikes; The rectifying and voltage dividing component includes: a rectifier D1, an energy storage capacitor C1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R11, a resistor R12, and a resistor R13, The rectifier D1 is connected to the lightning signal acquisition component to acquire the lightning signal; The energy storage capacitor C1 is connected to the rectifier to obtain the rectified lightning strike signal; The resistor R1, the resistor R2, the resistor R3 and the resistor R4 are connected in series in sequence, wherein the other ends of the resistor R1 and the resistor R4 are connected to the energy storage capacitor C1 to obtain the lightning strike signal sent by the energy storage capacitor C1; One end of the resistor R11 is connected between the resistor R1 and the resistor R2, and the other end is connected to the first lightning signal comparison component; One end of the resistor R12 is connected between the resistor R2 and the resistor R3, and the other end is connected to the second lightning signal comparison component; One end of the resistor R13 is connected between the resistor R3 and the resistor R4, and the other end is connected to the third lightning signal comparison component; The second lightning signal comparison component includes: a resistor R7, a resistor R8, and a comparator U1B; The resistor R7 is connected to the ground wire through the resistor R8, and the other end is connected to the VCC terminal of the control component; The inverting input terminal of the comparator U1B is connected between the resistor R7 and the resistor R8; The non-inverting input terminal of the comparator U1B is connected to the resistor R12; The output terminal of the comparator U1B is connected to the INT2 terminal of the control component; The third lightning signal comparison component includes: a resistor R9, a resistor R10, and a comparator U1C; The resistor R9 is connected to the ground wire through the resistor R10, and the other end is connected to the VCC terminal of the control component; The inverting input terminal of the comparator U1C is connected between the resistor R9 and the resistor R10; The non-inverting input terminal of the comparator U1C is connected to the resistor R13; The output terminal of the comparator U1C is connected to the INT3 terminal of the control component.

2. The circuit according to claim 1, characterized in that The first lightning signal comparison component includes: a resistor R5, a resistor R6, and a comparator U1A; The resistor R5 is connected to the ground wire through the resistor R6, and the other end is connected to the VCC terminal of the control component; The inverting input terminal of the comparator U1A is connected between the resistor R5 and the resistor R6; The non-inverting input terminal of the comparator U1A is connected to the resistor R11; The output terminal of the comparator U1A is connected to the INT1 terminal of the control component.

3. A method for displaying the number of lightning strikes in multiple segments, the method being applied to the circuit described in any one of claims 1 to 2, characterized in that: When a lightning strike signal is received, the lightning strike signal comparison component determines the lightning strike level corresponding to the lightning strike signal according to the preset comparison threshold; The number of lightning strikes is obtained according to the stored data, and the number of lightning strikes and the lightning strike level are sent to an external monitoring device through a communication component.

4. A device, characterized in that: The invention comprises a circuit for displaying the number of lightning strikes in multiple segments as claimed in any one of claims 1 to 2.

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