Engineering operation sound-light alarm box control circuit

Abstract

The utility model discloses a sound-light alarm box control circuit for engineering operation. The sound-light alarm box control circuit comprises a master control module, a power supply module electrically connected with the master control module, a control module, a signal receiving module, a driving module, a lamp bead module, an audio module and a power amplifier module, the driving module is electrically connected with the lamp bead module; the signal receiving module is used for transmitting an alarm signal to the main control module, the main control module controls the driving module to drive the lamp bead module to output a warning lamp effect according to the alarm signal, and the main control module controls the audio module to output an audio file to the power amplifier module according to the alarm signal. Therefore, the main control unit lightens the external human-shaped lamp and the direction lamp through the lamp bead module on the basis of an alarm signal identified by the external camera, and outputs corresponding direction indication and color warning, so that an operator can know the condition of personnel around an engineering operation site in real time through the lamp bead module; and under the condition that irrelevant personnel intrude, the sound effect alarm is activated, and the irrelevant personnel are timely reminded to be away from each other.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic circuit, especially relates to a sound and light alarm box control circuit for engineering operation. BACKGROUND

[0002] There is great danger in engineering operation site, construction facilities, temporary structures and construction equipment can cause harm to unrelated personnel, in order to avoid unrelated personnel to break in, usually set up warning area in the operation site. In order to remind the operator in time when unrelated personnel break in, human body detection device is also set, which activates warning light, warning horn and other alarm signals when measuring unrelated personnel break in.

[0003] Among them, the warning area is a passive measure, and its effect depends on the self-consciousness of unrelated personnel and the vigilance of the operator. The simple human body detection device has the problems of single detection mode and easy false triggering, and is not suitable for large engineering operation site with complex environment. SUMMARY

[0004] The present application discloses a sound and light alarm box control circuit for engineering operation, which specifically includes the following contents.

[0005] The main control module is electrically connected with the power module, the control module, the signal receiving module, the driving module, the lamp bead module, the audio module and the power amplifier module.

[0006] The driving module is electrically connected with the lamp bead module.

[0007] The signal receiving module is used to deliver alarm signals to the main control module, the main control module controls the driving module to drive the lamp bead module to output warning light effect according to the alarm signals, and the main control module controls the audio module to output audio files to the power amplifier module according to the alarm signals.

[0008] The power module supplies operating current to the main control module, the driving module, the lamp bead module, the audio module and the power amplifier module.

[0009] The control module is used to set the warning mode.

[0010] Preferably, the main control module adopts a main control chip U5 with model STC8G1K04-381-TSSOP20, the 13th pin of which is connected with the CAM_LEFT pin of the signal receiving module, the 14th pin is connected with the CAM_RIGHT pin of the signal receiving module, the 17th pin is connected with the CAM_FRONT pin of the signal receiving module, and the 18th pin is connected with the CAM_BACK pin of the signal receiving module.

[0011] Preferably, the signal receiving module has a signal port J5, the 4th pin of the signal port J5 is connected to the CAM_LEFT pin, the 5th pin of the signal port J5 is connected to the CAM_RIGHT pin, the 6th pin of the signal port J5 is connected to the CAM_FRONT pin, and the 7th pin of the signal port J5 is connected to the CAM_BACK pin, which is used to obtain alarm signals from the outside world and transmit them to the main control module.

[0012] Preferably, the driving module uses transistor U7, transistor U6 and transistor U4 of model NCE9926;

[0013] The second pin of the transistor U7 is connected to the first pin of the main control chip U5, and the fourth pin of the transistor U7 is connected to the second pin of the main control chip U5;

[0014] The second pin of the transistor U6 is connected to the third pin of the main control chip U5, and the fourth pin of the transistor U6 is connected to the fourth pin of the main control chip U5;

[0015] The second pin of the transistor U4 is connected to the fifth pin of the main control chip U5 , and the fourth pin of the transistor U4 is connected to the sixth pin of the main control chip U5 .

[0016] Preferably, the lamp bead module includes a first lamp bead unit, a second lamp bead unit and a third lamp bead unit;

[0017] The first lamp bead unit includes lamp beads LED5, LED6, LED7 and LED8 connected in parallel, and the second lamp bead unit includes lamp beads LED9 and LED10 connected in parallel;

[0018] The third lamp bead unit includes lamp bead LED1, lamp bead LED2, lamp bead LED3 and lamp bead LED4.

[0019] Preferably, the third pin of the lamp bead LED9 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED9 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED10 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED10 is connected to the third pin of the transistor U4;

[0020] The first pin of the lamp bead LED9 is grounded via the resistor R24, the second pin of the lamp bead LED9 is grounded via the resistor R27, the first pin of the lamp bead LED10 is grounded via the resistor R28, and the second pin of the lamp bead LED10 is grounded via the resistor R29;

[0021] The third pin of the lamp bead LED 6 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED 6 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED 8 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED 8 is connected to the third pin of the transistor U4.

[0022] The first pin of the lamp bead LED 6 is grounded through the resistor R33, the second pin of the lamp bead LED 6 is grounded through the resistor R34, the first pin of the lamp bead LED 8 is grounded through the resistor R35, and the second pin of the lamp bead LED 8 is grounded through the resistor R36.

[0023] The third pin of the lamp bead LED 5 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED 5 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED 7 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED 7 is connected to the third pin of the transistor U4.

[0024] The first pin of the lamp bead LED 5 is grounded through the resistor R37, the second pin of the lamp bead LED 5 is grounded through the resistor R38, the first pin of the lamp bead LED 7 is grounded through the resistor R39, and the second pin of the lamp bead LED 7 is grounded through the resistor R40.

[0025] Preferably, the first pin of the lamp bead LED 1 is connected to the first pin of the transistor U7, the first pin of the lamp bead LED 2 is connected to the third pin of the transistor U7, the first pin of the lamp bead LED 3 is connected to the first pin of the transistor U6, and the first pin of the lamp bead LED 4 is connected to the third pin of the transistor U6.

[0026] Preferably, the audio module comprises a voice chip U9 of model JQ8900N and a storage chip U2 of model W25Q.

[0027] The second pin of the voice chip U9 is connected to the 15th pin of the master control chip U5, the 13th pin is connected to the first pin of the storage chip U2, the 14th pin is connected to the fifth pin of the storage chip U2, and the 15th pin is connected to the sixth pin of the storage chip U2.

[0028] The voice chip U9 extracts an audio file from the storage chip U2 according to an alarm signal transmitted by the master control chip U5 and controls the power amplifier module to play the audio file.

[0029] The base of the buzzer Q1 is connected to the 16th pin of the master control chip U5.

[0030] The 19th and 20th pins of the master control chip U5 are used to adjust the volume of the audio.

[0031] Preferably, the power amplifier module adopts a power amplifier chip U3 of model PAM8403.

[0032] Among them, the 7th pin of the power amplifier chip U3 is connected to the 5th pin of the voice chip U9, and the 10th pin of the power amplifier chip U3 is connected to the 6th pin of the voice chip U9, which are used to control the on and off of the left and right channel signals respectively.

[0033] Preferably, the power module uses a rectifier chip U1 of model XL1509-5.0, which converts the mains power into a +5V operating current;

[0034] The control module has a control terminal J3, which is connected to an external control button to receive a control instruction input by the external control button and set the alarm mode.

[0035] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0036] Based on the alarm signal obtained by the external camera, the main control unit lights up the external human-shaped lights and turn lights through the lamp bead module, and outputs corresponding direction instructions and color warnings. In this way, the workers can know the personnel situation around the engineering work site in real time through the lighting effects, and in the event of unauthorized personnel breaking in, the sound alarm is activated to promptly remind unauthorized personnel to stay away. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0038] Figure 1 This is a circuit principle design diagram of a main control module in a control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention;

[0039] Figure 2 This is a circuit principle design diagram of a power module in a control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention;

[0040] Figure 3 This is a circuit principle design diagram of a control module in a control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention;

[0041] Figure 4 This is a circuit principle design diagram of a signal receiving module in a control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention;

[0042] Figure 5 This is a circuit principle design diagram of a driving module in a control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention;

[0043] Figure 6 This is a circuit principle design diagram of the first and second lamp bead units of a lamp bead module in a control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention;

[0044] Figure 7 This is a circuit principle design diagram of the third lamp bead unit of the main control module in the control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention;

[0045] Figure 8 This is a circuit principle design diagram of an audio module in a control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention;

[0046] Figure 9 This is a circuit principle design diagram of a power amplifier module in a control circuit of an engineering operation sound and light alarm box disclosed in an embodiment of the present invention. DETAILED DESCRIPTION

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0048] See also Figures 1 to 9 , the engineering operation sound and light alarm box control circuit may include the following contents.

[0049] The main control module is electrically connected to the power module, control module, signal receiving module, drive module, lamp module, audio module and power amplifier module of the main control module;

[0050] The driving module is electrically connected to the lamp bead module;

[0051] The signal receiving module is used to transmit an alarm signal to the main control module. The main control module controls the driving module to drive the lamp bead module to output a warning light effect according to the alarm signal. In addition, the main control module controls the audio module to output an audio file to the power amplifier module according to the alarm signal.

[0052] The power module supplies operating current to the main control module, driver module, lamp module, audio module and power amplifier module;

[0053] The control module is used to set the warning mode.

[0054] Here, an external AI camera performs image detection on the engineering work site and outputs an alarm signal when it detects a person breaking in. The alarm signal is relayed by the signal receiving module and transferred to the main control module. The main control module controls the driver module to drive the lamp bead module based on the alarm signal, thereby lighting up the external human-shaped lights and turn signals, and informing the workers of the personnel situation around the engineering work site in real time. The workers then suspend their work and drive away irrelevant personnel.

[0055] Among them, the human-shaped lights and direction lights can indicate personnel status through a simple arrangement of lamp beads, without the need to set up complex digital display components and other equipment. They are low-cost and highly maintainable, and are suitable for large-scale applications in engineering operations.

[0056] In this embodiment, the main control module adopts the main control chip U5 with model STC8G1K04-381-TSSOP20, whose pin 13 is connected to the CAM_LEFT pin of the signal receiving module, the 14th pin is connected to the CAM_RIGHT pin of the signal receiving module, the 17th pin is connected to the CAM_FRONT pin of the signal receiving module, and the 18th pin is connected to the CAM_BACK pin of the signal receiving module.

[0057] In this embodiment, the signal receiving module has a signal port J5, the 4th pin of the signal port J5 is connected to the CAM_LEFT pin, the 5th pin of the signal port J5 is connected to the CAM_RIGHT pin, the 6th pin of the signal port J5 is connected to the CAM_FRONT pin, and the 7th pin of the signal port J5 is connected to the CAM_BACK pin, which is used to obtain alarm signals from the outside world and transmit them to the main control module.

[0058] Here, the signal port J5 can be a data interface in a universal format such as USB, Type-C, etc. to obtain alarm signals transmitted by an external AI camera entity or the Internet of Things or the Internet.

[0059] In this embodiment, the driving module uses transistor U7, transistor U6 and transistor U4 of model NCE9926;

[0060] The second pin of the transistor U7 is connected to the first pin of the main control chip U5, and the fourth pin of the transistor U7 is connected to the second pin of the main control chip U5;

[0061] The second pin of the transistor U6 is connected to the third pin of the main control chip U5, and the fourth pin of the transistor U6 is connected to the fourth pin of the main control chip U5;

[0062] The second pin of the transistor U4 is connected to the fifth pin of the main control chip U5 , and the fourth pin of the transistor U4 is connected to the sixth pin of the main control chip U5 .

[0063] In this embodiment, the lamp bead module includes a first lamp bead unit, a second lamp bead unit and a third lamp bead unit;

[0064] The first lamp bead unit includes lamp beads LED5, LED6, LED7 and LED8 connected in parallel, and the second lamp bead unit includes lamp beads LED9 and LED10 connected in parallel;

[0065] The third lamp bead unit includes lamp bead LED1, lamp bead LED2, lamp bead LED3 and lamp bead LED4.

[0066] In this embodiment, the third pin of the lamp bead LED9 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED9 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED10 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED10 is connected to the third pin of the transistor U4;

[0067] The first pin of the lamp bead LED9 is grounded via the resistor R24, the second pin of the lamp bead LED9 is grounded via the resistor R27, the first pin of the lamp bead LED10 is grounded via the resistor R28, and the second pin of the lamp bead LED10 is grounded via the resistor R29;

[0068] The third pin of the lamp bead LED6 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED6 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED8 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED8 is connected to the third pin of the transistor U4;

[0069] The first pin of the lamp bead LED6 is grounded via the resistor R33, the second pin of the lamp bead LED6 is grounded via the resistor R34, the first pin of the lamp bead LED8 is grounded via the resistor R35, and the second pin of the lamp bead LED8 is grounded via the resistor R36;

[0070] The third pin of the lamp bead LED5 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED5 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED7 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED7 is connected to the third pin of the transistor U4;

[0071] The first pin of the lamp bead LED5 is grounded via resistor R37, the second pin of the lamp bead LED5 is grounded via resistor R38, the first pin of the lamp bead LED7 is grounded via resistor R39, and the second pin of the lamp bead LED7 is grounded via resistor R40.

[0072] In this embodiment, the first pin of the lamp bead LED1 is connected to the first pin of the transistor U7, the first pin of the lamp bead LED2 is connected to the third pin of the transistor U7, the first pin of the lamp bead LED3 is connected to the first pin of the transistor U6, and the first pin of the lamp bead LED4 is connected to the third pin of the transistor U6.

[0073] Here, the lamp beads LED1, LED2, LED3 and LED4 are used to indicate the left, right, front and rear directions respectively, and are directional lights.

[0074] The parallel lamp beads LED6, LED8, LED5 and LED79 constitute a first lamp bead unit, and the parallel lamp beads LED9 and LED10 constitute a second lamp bead unit. The lamp beads corresponding to the first lamp bead unit and the second lamp bead unit are arranged side by side, so that the location and distance of unrelated personnel can be indicated by lighting up lamp beads of specific colors, which is a human-shaped lamp.

[0075] In this embodiment, the audio module includes a voice chip U9 of model JQ8900N and a storage chip U2 of model W25Q;

[0076] The second pin of the voice chip U9 is connected to the 15th pin of the main control chip U5, the 13th pin is connected to the 1st pin of the memory chip U2, the 14th pin is connected to the 5th pin of the memory chip U2, and the 15th pin is connected to the 6th pin of the memory chip U2;

[0077] The voice chip U9 extracts the audio file from the storage chip U2 according to the alarm signal transmitted by the main control chip U5, and controls the power amplifier module to play the audio file;

[0078] The base of buzzer Q1 is connected to pin 16 of main control chip U5;

[0079] Among them, pins 19 and 20 of the main control chip U5 are used to adjust the audio volume.

[0080] In this embodiment, the power amplifier module uses a power amplifier chip U3 of model PAM8403;

[0081] Among them, the 7th pin of the power amplifier chip U3 is connected to the 5th pin of the voice chip U9, and the 10th pin of the power amplifier chip U3 is connected to the 6th pin of the voice chip U9, which are used to control the on and off of the left and right channel signals respectively.

[0082] Here, the storage chip U2 is burned and stored with several audio files, so that the main control chip U5 selects the corresponding audio file to play according to the area where the unrelated personnel are located.

[0083] In this embodiment, the power module uses a rectifier chip U1 of model XL1509-5.0, which converts the mains power into a +5V operating current;

[0084] The control module has a control terminal J3, which is connected to an external control button to receive a control instruction input by the external control button and set the alarm mode.

[0085] Here, the alert mode can be divided into a safety mode and an alarm mode. In the safety mode, no warning is given to the surrounding personnel. In the alarm mode, the alarm is triggered normally to warn irrelevant personnel and operating personnel.

[0086] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0087] Based on the alarm signal obtained by the external camera, the main control unit lights up the external human-shaped lights and turn lights through the lamp bead module, and outputs corresponding direction instructions and color warnings. In this way, the workers can know the personnel situation around the engineering work site in real time through the lighting effects, and in the event of unauthorized personnel breaking in, the sound alarm is activated to promptly remind unauthorized personnel to stay away.

Claims

1. A control circuit for an engineering operation sound and light alarm box, characterized in that: include: A main control module electrically connected to the power module, control module, signal receiving module, drive module, lamp module, audio module and power amplifier module of the main control module; The driving module is electrically connected to the lamp bead module; The signal receiving module is used to transmit an alarm signal to the main control module, and the main control module controls the driving module to drive the lamp bead module to output a warning light effect according to the alarm signal, and the main control module controls the audio module to output an audio file to the power amplifier module according to the alarm signal; The power supply module supplies operating current to the main control module, the driving module, the lamp bead module, the audio module and the power amplifier module; The control module is used for setting an alert mode.

2. The engineering operation sound and light alarm box control circuit according to claim 1 is characterized in that: include: The main control module adopts the main control chip U5 with model STC8G1K04-381-TSSOP20, whose pin 13 is connected to the CAM_LEFT pin of the signal receiving module, the 14th pin is connected to the CAM_RIGHT pin of the signal receiving module, the 17th pin is connected to the CAM_FRONT pin of the signal receiving module, and the 18th pin is connected to the CAM_BACK pin of the signal receiving module.

3. The engineering operation sound and light alarm box control circuit according to claim 2 is characterized in that: include: The signal receiving module has a signal port J5, the 4th pin of the signal port J5 is connected to the CAM_LEFT pin, the 5th pin of the signal port J5 is connected to the CAM_RIGHT pin, the 6th pin of the signal port J5 is connected to the CAM_FRONT pin, and the 7th pin of the signal port J5 is connected to the CAM_BACK pin, which is used to obtain alarm signals from the outside world and transmit them to the main control module.

4. The engineering operation sound and light alarm box control circuit according to claim 2, characterized in that: include: The driving module uses transistor U7, transistor U6 and transistor U4 of model NCE9926; The second pin of the transistor U7 is connected to the first pin of the main control chip U5, and the fourth pin of the transistor U7 is connected to the second pin of the main control chip U5; The second pin of the transistor U6 is connected to the third pin of the main control chip U5, and the fourth pin of the transistor U6 is connected to the fourth pin of the main control chip U5; The second pin of the transistor U4 is connected to the fifth pin of the main control chip U5 , and the fourth pin of the transistor U4 is connected to the sixth pin of the main control chip U5 .

5. The engineering operation sound and light alarm box control circuit according to claim 4 is characterized in that: include: The lamp bead module includes a first lamp bead unit, a second lamp bead unit and a third lamp bead unit; The first lamp bead unit includes lamp beads LED5, LED6, LED7 and LED8 connected in parallel, and the second lamp bead unit includes lamp beads LED9 and LED10 connected in parallel; The third lamp bead unit includes lamp bead LED1, lamp bead LED2, lamp bead LED3 and lamp bead LED4.

6. The engineering operation sound and light alarm box control circuit according to claim 5, characterized in that: include: The third pin of the lamp bead LED9 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED9 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED10 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED10 is connected to the third pin of the transistor U4; The first pin of the lamp bead LED9 is grounded via the resistor R24, the second pin of the lamp bead LED9 is grounded via the resistor R27, the first pin of the lamp bead LED10 is grounded via the resistor R28, and the second pin of the lamp bead LED10 is grounded via the resistor R29; The third pin of the lamp bead LED6 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED6 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED8 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED8 is connected to the third pin of the transistor U4; The first pin of the lamp bead LED6 is grounded via the resistor R33, the second pin of the lamp bead LED6 is grounded via the resistor R34, the first pin of the lamp bead LED8 is grounded via the resistor R35, and the second pin of the lamp bead LED8 is grounded via the resistor R36; The third pin of the lamp bead LED5 is connected to the first pin of the transistor U4, the fourth pin of the lamp bead LED5 is connected to the third pin of the transistor U4, the third pin of the lamp bead LED7 is connected to the first pin of the transistor U4, and the fourth pin of the lamp bead LED7 is connected to the third pin of the transistor U4; The first pin of the lamp bead LED5 is grounded via resistor R37, the second pin of the lamp bead LED5 is grounded via resistor R38, the first pin of the lamp bead LED7 is grounded via resistor R39, and the second pin of the lamp bead LED7 is grounded via resistor R40.

7. The engineering operation sound and light alarm box control circuit according to claim 5, characterized in that: include: The first pin of the lamp bead LED1 is connected to the first pin of the transistor U7, the first pin of the lamp bead LED2 is connected to the third pin of the transistor U7, the first pin of the lamp bead LED3 is connected to the first pin of the transistor U6, and the first pin of the lamp bead LED4 is connected to the third pin of the transistor U6.

8. The engineering operation sound and light alarm box control circuit according to claim 2, characterized in that: include: The audio module includes a voice chip U9 with model JQ8900N, a memory chip U2 with model W25Q, and a buzzer Q1; The second pin of the voice chip U9 is connected to the 15th pin of the main control chip U5, the 13th pin is connected to the 1st pin of the memory chip U2, the 14th pin is connected to the 5th pin of the memory chip U2, and the 15th pin is connected to the 6th pin of the memory chip U2; The voice chip U9 extracts the audio file from the storage chip U2 according to the alarm signal transmitted by the main control chip U5, and controls the power amplifier module to play the audio file; The base of buzzer Q1 is connected to pin 16 of main control chip U5; Among them, pins 19 and 20 of the main control chip U5 are used to adjust the audio volume.

9. The engineering operation sound and light alarm box control circuit according to claim 8, characterized in that: include: The power amplifier module adopts the power amplifier chip U3 with the model number PAM8403; Among them, the 7th pin of the power amplifier chip U3 is connected to the 5th pin of the voice chip U9, and the 10th pin of the power amplifier chip U3 is connected to the 6th pin of the voice chip U9, which are used to control the on and off of the left and right channel signals respectively.

10. The engineering operation sound and light alarm box control circuit according to claim 1, characterized in that: include: The power module uses a rectifier chip U1 model XL1509-5.0, which converts the mains power into a +5V operating current; The control module has a control terminal J3, which is connected to an external control button to receive a control instruction input by the external control button and set the alarm mode.

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