Intelligent security host
By integrating a multi-functional module into the security host and adopting unified management via MCU, the problems of low functional integration and low intelligence in existing security systems are solved, realizing an efficient and reliable security system and improving user experience and system stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN LONGSIN INTELLIGENCE TECH CO
- Filing Date
- 2025-05-22
- Publication Date
- 2026-07-03
AI Technical Summary
Existing security systems suffer from low functional integration, low intelligence, poor user interaction, high installation and maintenance costs, and insufficient system complexity and reliability.
Design an intelligent security host that integrates alarm processing, RF communication, 4G communication, power management, status indication, and storage functions into a compact host. It adopts unified management by MCU, supports multi-level alarm linkage, provides remote alarm notification, intuitive status indication and voice prompts, and adopts a dual power supply system.
It improves system reliability and stability, enhances user experience, enables efficient data processing and communication, reduces system complexity, supports remote alarm notifications and intuitive status display, and extends backup battery life.
Smart Images

Figure CN224457299U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of security technology, and in particular to an intelligent security host. Background Technology
[0002] 1. Current Status of Existing Security Systems
[0003] With the continuous advancement of technology, security systems are being used more and more widely in homes, businesses, and industrial settings. Traditional security systems mainly rely on wired connections and local alarms, offering relatively limited functionality. These systems typically require complex wiring, resulting in high installation and maintenance costs. For example, wired alarm systems require laying a large number of cables within buildings, which is not only complex to install but also incurrs high repair costs should the lines be damaged, limiting their widespread application.
[0004] 2. Shortcomings of existing technology
[0005] 2.1 Low functional integration
[0006] Existing security systems typically distribute alarm, communication, and power management functions across different modules, lacking a highly integrated design. This not only increases system complexity but also reduces system reliability and stability. For example, some systems require multiple independent devices to implement alarm, communication, and power management functions, and these devices have poor compatibility and collaborative capabilities.
[0007] 2.2 Low level of intelligence
[0008] Existing security systems have a low level of intelligence in alarm handling, device management, and user interaction, failing to meet modern users' demands for efficient, convenient, and intelligent security systems. For example, some systems can only emit a simple alarm sound when an alarm is triggered, without providing detailed alarm information or automatically notifying the user. Furthermore, the user interfaces of existing systems are typically complex, requiring users to complete device setup and management through multiple steps.
[0009] 2.3 Poor user interaction experience
[0010] Existing security systems suffer from shortcomings in user interaction, exhibiting complex operations and making it difficult for users to quickly understand system status. For example, some systems lack intuitive status indicators, requiring users to navigate through complex menus to check system status. Furthermore, existing systems lack voice prompts when users perform operations or when system status changes, further increasing the difficulty of operation for users. Utility Model Content
[0011] In view of the problems existing in the prior art, this utility model provides an intelligent security host.
[0012] To achieve the above objectives, the technical solution of this utility model is as follows:
[0013] This utility model provides an intelligent security host, including: a main body shell, a main body bottom shell hinged to one end of the main body shell, a PVC button board and an SOS button set on the main body shell, a PCB main board, a ball bearing pressure rod micro switch, a speaker, a power supply, and a rotary lock for locking the main body shell and the main body bottom shell.
[0014] The PCB motherboard is equipped with a main control module, an RF communication module, an alarm processing module, a 4G communication module, a status indication module, an LCD display module, a storage module, and a key input module;
[0015] The main control module is electrically connected to the RF communication module, alarm processing module, 4G communication module, status indication module, LCD display module, storage module, key input module, SOS key, and power supply, respectively.
[0016] Preferably, the main control module includes a main control circuit, which includes an MCU and its peripheral circuits, and the MCU is model LQFP64.
[0017] Preferably, the RF communication module includes an RF communication circuit, which includes an RF transceiver circuit and an RF receiving circuit; the RF transceiver circuit includes an RF transceiver chip SI4438 and its peripheral circuits, and the RF receiving circuit includes an RF receiving chip RX315 or RX433 and its peripheral circuits; the corresponding terminals of the RF transceiver chip SI4438 and the RF receiving chip RX315 or RX433 are electrically connected to the corresponding terminals of the MCU.
[0018] Preferably, the alarm processing module includes an alarm processing circuit, which includes a voice circuit and a power amplifier circuit; the voice circuit includes a voice chip WTH080 and its peripheral circuits, and the corresponding terminal of the voice chip WTH080 is electrically connected to the corresponding terminal of the MCU.
[0019] The power amplifier circuit includes an audio power amplifier chip HT6873 and its peripheral circuits. The corresponding terminals of the audio power amplifier chip HT6873 are electrically connected to the corresponding terminals of the MCU and the speaker, respectively.
[0020] Preferably, the 4G communication module includes a 4G communication circuit, which includes a 4G communication chip EC800 and its peripheral circuits, and the corresponding terminal of the 4G communication chip EC800 is electrically connected to the corresponding terminal of the MCU.
[0021] Preferably, the status indication module includes a main power indicator, a self-test indicator, a fault indicator, a linkage indicator, a reset indicator, and a fire alarm indicator, and the corresponding terminals of the main power indicator, self-test indicator, fault indicator, linkage indicator, reset indicator, and fire alarm indicator are electrically connected to the corresponding terminals of the MCU.
[0022] Preferably, the PCB motherboard is further provided with a SIM card circuit, which includes a SIMCARD chip and its peripheral circuits. The corresponding terminal of the SIMCARD chip is electrically connected to the corresponding terminal of the 4G communication chip EC800.
[0023] Preferably, the storage module includes a storage circuit, which includes a storage chip AT24C64 and its peripheral circuits, and the corresponding terminal of the storage chip AT24C64 is electrically connected to the corresponding terminal of the MCU.
[0024] Preferably, the key input module includes a key input circuit, which includes a setting key, an arming key, a disarming key, a self-test key, a linkage key, and a reset key.
[0025] Preferably, the power supply includes a main power input and a backup power input, wherein the main power input is DC12V and the backup power input is a 7.4V lithium battery.
[0026] The technical solution of this utility model has the following beneficial effects:
[0027] The intelligent security control panel integrates alarm processing, RF communication, 4G communication, power management, status indication, and storage into a compact host, reducing system complexity and improving system reliability and stability. All functional modules are centrally managed by the MCU, enabling efficient data processing and communication, and enhancing overall system performance.
[0028] Multi-level alarm linkage: The system supports multi-level alarm linkage and can automatically activate audible and visual alarms to set alarm effects. Remote alarm notification: Through the 4G communication module, the system can immediately send alarm information to a preset phone number or cloud management platform when an alarm signal is detected, ensuring that users can receive alarm information in a timely manner.
[0029] Alarm record management: The system records detailed information about alarm events in the storage module. Users can view alarm history and analyze alarm events at any time to improve the security and reliability of the system.
[0030] Long-range communication: Employing the RF433 wireless communication module, the communication distance can reach up to 500 meters in open environments, meeting the diverse needs of homes, businesses, and industrial settings. Both the RF and 4G communication modules feature low-power designs, significantly extending backup battery life and improving system reliability.
[0031] Dual power supply: The intelligent security host adopts a dual power supply system, including a main power supply (DC12V) and a backup power supply (7.4V lithium battery). When the main power is disconnected, the system automatically switches to the backup power supply to ensure that the system can still work normally without an external power source.
[0032] Intuitive status indicators: Through main power indicator, self-test indicator, fault indicator, linkage indicator, reset indicator, fire alarm indicator, etc., users can intuitively understand the current status of the system without complicated operations.
[0033] Voice prompts: The system provides voice prompts for critical operations and status changes, enhancing the user experience and reducing the possibility of accidental operation. Attached Figure Description
[0034] Figure 1 This is a schematic diagram of the structure of this utility model;
[0035] Figure 2 This is an exploded view of the present invention;
[0036] Figure 3 This is a schematic diagram of the control module of this utility model;
[0037] Figure 4 This is a schematic diagram of the circuit principle of the main control module of this utility model;
[0038] Figure 5 This is a schematic diagram of the circuit principle of the RF communication module of this utility model;
[0039] Figure 6 This is a schematic diagram of the circuit principle of the alarm processing module of this utility model;
[0040] Figure 7 This is a schematic diagram of the circuit principle of the 4G communication module of this utility model. Figure 1 ;
[0041] Figure 8 This is a schematic diagram of the circuit principle of the 4G communication module of this utility model. Figure 2 ;
[0042] Figure 9 This is a schematic diagram of the circuit principle of the 4G communication module of this utility model. Figure 3 ;
[0043] Figure 10 This is a schematic diagram of the circuit principle of the storage module of this utility model;
[0044] Figure 11 This is a schematic diagram of the circuit principle of the key input module of this utility model;
[0045] Figure 12This is a schematic diagram of the main power input circuit of the power supply for this utility model. Detailed Implementation
[0046] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0047] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0049] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0050] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0051] Reference Figures 1 to 12 This utility model provides an intelligent security host, including: a main body shell, a main body bottom shell hinged to one end of the main body shell, a PVC button plate and an SOS button disposed on the main body shell, a PCB main board disposed between the main body shell and the main body bottom shell, a ball bearing pressure rod micro switch, a speaker, a power supply, and a rotary latch lock for locking the main body shell and the main body bottom shell; the speaker is also provided with an EVE pad; the PCB main board and the main body shell are detachably connected by screws, the PVC button plate is disposed at one end of the main body shell, and the SOS button is disposed at the other end of the main body shell.
[0052] The main body shell is the external protective structure of the security host, used to house and protect internal components. It also features an LCD display screen. It is hinged to the bottom shell, forming an openable structure for easy installation and maintenance.
[0053] The SOS button is an emergency alarm button used to quickly trigger the alarm function in emergency situations. In an emergency, users can quickly trigger the alarm to ensure timely assistance and enhance the system's emergency response capabilities.
[0054] The speaker is used to play voice prompts and alarm sounds, providing sound feedback. Through voice prompts and alarm sounds, it ensures that users can understand the system status and alarm information in a timely manner, thereby enhancing the interactivity and security of the system.
[0055] The PCB motherboard is equipped with a main control module 100, an RF communication module 200, an alarm processing module 300, a 4G communication module 400, a status indication module 500, an LCD display module 600, a storage module 700, and a key input module 800.
[0056] The main control module is electrically connected to the RF communication module, alarm processing module, 4G communication module, status indication module, LCD display module, storage module, key input module, SOS key, and power supply respectively.
[0057] The 4G communication module is used to enable remote alarm, data upload and cloud management;
[0058] RF communication module 200 is used for local connection of devices such as detectors, repeaters, and remote controllers;
[0059] The power supply includes a main power input and a backup power input. The main power input is DC12V, and the backup power input is a 7.4V lithium battery. It automatically switches to backup power when the main power is disconnected.
[0060] The alarm processing module is used to receive and process alarm signals and send alarm information through the 4G communication module;
[0061] The control module is used to control the arming, disarming, self-testing, and linkage functions of the host.
[0062] The status indicator module is used to display information such as power status, alarm status, and device connection status;
[0063] The button input module includes a setting button, an arming button, a disarming button, a self-test button, a linkage button, and a reset button, which are used to perform corresponding operations.
[0064] Furthermore, the main control module includes a main control circuit, which comprises an MCU and its peripheral circuits. The MCU is model LQFP64. Core control function: The MCU (Microcontroller Unit) is the core component of the main control module, responsible for processing and coordinating all functions of the security host. It receives input signals from various modules (such as the RF communication module, alarm processing module, 4G communication module, etc.).
[0065] Furthermore, the RF communication module includes an RF communication circuit, which includes an RF transceiver circuit and an RF receiving circuit; the RF transceiver circuit includes an RF transceiver chip SI4438 and its peripheral circuits, and the RF receiving circuit includes an RF receiving chip RX315 or RX433 and its peripheral circuits; the corresponding terminals of the RF transceiver chip SI4438 and the RF receiving chip RX315 or RX433 are electrically connected to the corresponding terminals of the MCU.
[0066] RF Communication Circuit: The RF communication circuit is the core of the RF communication module, responsible for transmitting and receiving wireless signals. It includes an RF transceiver circuit and an RF receiver circuit, used for wireless communication with external devices (such as detectors, repeaters, remote controls, etc.). RF Transceiver Circuit: The RF transceiver circuit is responsible for modulating data signals onto an RF carrier and transmitting them, as well as receiving RF signals from external devices and demodulating them into data signals. RF Receiver Circuit: The RF receiver circuit is specifically responsible for receiving RF signals from external devices and demodulating them into data signals. The corresponding terminals of the RF transceiver chip SI4438 and the RF receiver chip RX315 or RX433 are electrically connected to the corresponding terminals of the MCU, ensuring that the MCU can control the operation of the RF communication circuit and receive and process the data transmitted by the RF communication circuit.
[0067] Furthermore, the alarm processing module includes an alarm processing circuit, which comprises a voice circuit and a power amplifier circuit. The voice circuit includes a voice chip WTH080 and its peripheral circuitry, with the corresponding terminals of the WTH080 electrically connected to the corresponding terminals of the MCU. The power amplifier circuit includes an audio power amplifier chip HT6873 and its peripheral circuitry, with the corresponding terminals of the HT6873 electrically connected to the corresponding terminals of the MCU and the speaker, respectively. The voice chip WTH080 can generate clear voice prompts to help users understand the system status and alarm information. For example, when the system enters armed mode, the voice prompt "Armed successfully" is given; when an alarm is detected, the voice prompt "Alarm triggered" is given. The audio power amplifier chip HT6873 can amplify the voice signal and alarm sound, ensuring that the sound emitted by the speaker is clear and loud enough to attract the attention of people in the vicinity. This is especially important in emergency situations, as it can promptly remind users to take action. Through the control of the MCU, the alarm processing module can generate corresponding voice prompts and alarm sounds according to different alarm types and system states. For example, a high-decibel alarm can be played during an emergency, while a lower-decibel voice prompt can be played for normal alerts. Enhanced User Experience: Voice prompts and high-fidelity alarm sounds significantly improve the user experience, allowing users to more intuitively understand the system status and alarm information, reducing the possibility of accidental operation. Reliable Alarm Functionality: The high-fidelity sound output and flexible control functions of the alarm processing module ensure that alarm information is delivered to the user in a timely and accurate manner, enhancing the reliability and security of the security system.
[0068] Furthermore, the 4G communication module includes a 4G communication circuit, which comprises a 4G communication chip EC800 and its peripheral circuitry. The corresponding terminal of the EC800 is electrically connected to the corresponding terminal of the MCU. Remote alarm function: Through the 4G communication module, the security host can immediately send alarm information to a preset phone number or cloud management platform upon detecting an alarm signal, ensuring that users receive alarm information promptly and take appropriate measures. Data upload and management: The 4G communication module supports uploading the security host's status information, alarm records, and other data to a cloud server, facilitating remote monitoring and management by users via mobile phone or computer. Users can view device status and alarm information in real time, improving management efficiency. Automatic network connection and signal detection: The 4G communication module can automatically identify the APN of the IoT card, ensuring that the host automatically connects to the network after power-on. Simultaneously, it can detect the 4G network signal strength and automatically attempt reconnection when the signal is weak, ensuring network connection stability.
[0069] Furthermore, the status indication module includes a main power indicator, a self-test indicator, a fault indicator, a linkage indicator, a reset indicator, and a fire alarm indicator. The corresponding terminals of these indicator are electrically connected to the corresponding terminals of the MCU. Main Power Indicator: Displays the power supply status of the main power (DC12V). The indicator lights up when the main power is supplied normally; it turns off when the main power is disconnected. Self-Test Indicator: Displays the system's self-test status. The indicator lights up when the system starts or performs a self-test, indicating that the system is performing a self-test; it turns off after the self-test is complete. Fault Indicator: Displays the system's fault status. The indicator lights up when the system detects a fault, alerting the user to an abnormality; it turns off after the fault is cleared. Linkage Indicator: Displays the status of linked devices. The indicator lights up when a linked device (such as an audible and visual alarm, a solenoid valve, etc.) is triggered; it turns off after the linked device is reset. Reset Indicator: Displays the system's reset status. When the system performs a reset operation, the reset indicator light illuminates, indicating that the system is resetting; the indicator light turns off after the reset is complete. Fire alarm indicator light: Used to display the fire alarm status. When the system detects a fire alarm signal, the fire alarm indicator light illuminates to alert the user of the fire alarm; the indicator light turns off after the fire alarm is cleared.
[0070] Furthermore, the PCB motherboard also includes a SIM card circuit, comprising a SIMCARD chip and its peripheral circuitry. The corresponding terminal of the SIMCARD chip is electrically connected to the corresponding terminal of the 4G communication chip EC800. Network connectivity: Through the SIM card circuit, the 4G communication module can access the mobile network, enabling functions such as remote alarm, data upload, and cloud management. The SIM card circuit automatically identifies the inserted SIM card and works in conjunction with the 4G communication chip EC800 to ensure the host automatically connects to the network after power-on. This improves the system's automation level and reduces manual configuration work for the user. Multi-carrier support: The SIMCARD chip supports SIM cards from multiple carriers, allowing users to select different carriers as needed, improving the system's flexibility and applicability.
[0071] Furthermore, the storage module includes a storage circuit comprising an AT24C64 storage chip and its peripheral circuitry. The corresponding terminals of the AT24C64 storage chip are electrically connected to the corresponding terminals of the MCU. The AT24C64 storage chip can store various data from the security host, including configuration parameters, alarm records, and device status. This allows users to view and manage this data at any time, improving system manageability and traceability. Non-volatile storage: The AT24C64 storage chip uses non-volatile storage technology, ensuring that stored data is not lost even in the event of a power outage.
[0072] The working principle of this utility model is as follows:
[0073] System initialization
[0074] Power-on self-test: When the security host is powered on, the main control module (MCU) first performs a system self-test. During the self-test, the MCU checks the connection status and functionality of each module (such as the RF communication module, 4G communication module, alarm processing module, storage module, etc.). The self-test indicator light will illuminate during this period, indicating that the system is performing a self-test.
[0075] Network Connection: After self-test, the 4G communication module automatically connects to the 4G network via the SIM card circuit. The EC800 4G communication chip automatically recognizes the inserted SIM card and connects to the network. Once the network connection is successful, the main power indicator light illuminates, indicating that the system has successfully connected to the network.
[0076] 2. System Operation
[0077] Normal Monitoring Status: In normal monitoring status, the security host communicates with external devices (such as detectors, repeaters, remote controls, etc.) via the RF communication module. The RF transceiver circuit and RF receiver circuit are responsible for sending and receiving wireless signals, ensuring data transmission between devices. The MCU monitors the status of these devices in real time and displays the device connection status through the status indicator module.
[0078] Alarm Triggering: When external devices detect an abnormal situation (such as fire, intrusion, etc.), they will send an alarm signal to the security host via the RF communication module. Upon receiving the alarm signal, the alarm processing module immediately starts the alarm processing procedure.
[0079] Voice prompts: The voice circuit generates voice prompts, such as "alarm triggered" or "fire alarm", through the voice chip WTH080 and plays them through the speaker.
[0080] Alarm sound: The power amplifier circuit amplifies the alarm sound through the audio power amplifier chip HT6873 and emits a high-decibel alarm sound through the speaker to attract the attention of people in the vicinity.
[0081] Remote alarm: The 4G communication module sends alarm information to a preset phone number or cloud management platform via the 4G network, ensuring that users can receive alarm information in a timely manner.
[0082] Status indication: The fire alarm indicator light or the corresponding alarm indicator light illuminates, displaying the alarm type and status.
[0083] Linkage control: The alarm processing module also controls the activation of linked devices (such as audible and visual alarms, solenoid valves, etc.) according to preset linkage rules. A lit linkage indicator light indicates that the linked device has been triggered.
[0084] Data Logging: The alarm processing module records detailed information about alarm events (such as alarm time, alarm type, and processing result) in the storage module. The AT24C64 storage chip is responsible for storing this data, ensuring the integrity and traceability of alarm records.
[0085] 3. User Interaction
[0086] Button operation: Users can perform various operations via the function buttons on the PVC button panel, such as arming, disarming, self-testing, and linkage. The MCU will control the corresponding modules to perform operations based on the user's input commands and display the operation results on the LCD display module.
[0087] Status display: The status indicator module displays the system's status information in real time through main power indicator, self-test indicator, fault indicator, linkage indicator, reset indicator, fire alarm indicator, etc., to help users understand the system's operating status.
[0088] Voice prompts: When the user performs an operation or the system status changes, the voice circuit will generate corresponding voice prompts, which will be played through the speaker to enhance the user experience.
[0089] 4. Power Management
[0090] Main power supply: The security host is powered by the main power supply (DC12V) during normal operation. The main power indicator light is on, indicating that the main power supply is normal.
[0091] Backup power switching: When the main power is disconnected, the dual power supply system will automatically switch to backup power (7.4V lithium battery).
[0092] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. An intelligent security host, characterized by, include: The main body shell, the main body bottom shell hinged to one end of the main body shell, the PVC button board and SOS button set on the main body shell, the PCB main board set between the main body shell and the main body bottom shell, the ball pressure rod micro switch, the speaker, the power supply, and the rotary lock used to lock the main body shell and the main body bottom shell. The PCB motherboard is equipped with a main control module, an RF communication module, an alarm processing module, a 4G communication module, a status indication module, an LCD display module, a storage module, and a key input module; The main control module is electrically connected to the RF communication module, alarm processing module, 4G communication module, status indication module, LCD display module, storage module, key input module, SOS key, and power supply, respectively.
2. The intelligent security host according to claim 1, characterized in that, The main control module includes a main control circuit, which includes an MCU and its peripheral circuits. The MCU is model LQFP64.
3. The intelligent security host of claim 2, wherein, The RF communication module includes an RF communication circuit, which includes an RF transceiver circuit and an RF receiving circuit. The RF transceiver circuit includes an RF transceiver chip SI4438 and its peripheral circuits, and the RF receiving circuit includes an RF receiving chip RX315 or RX433 and its peripheral circuits. The corresponding terminals of the RF transceiver chip SI4438 and the RF receiving chip RX315 or RX433 are electrically connected to the corresponding terminals of the MCU.
4. The intelligent security host of claim 2, wherein, The alarm processing module includes an alarm processing circuit, which includes a voice circuit and a power amplifier circuit; the voice circuit includes a voice chip WTH080 and its peripheral circuits, and the corresponding terminal of the voice chip WTH080 is electrically connected to the corresponding terminal of the MCU. The power amplifier circuit includes an audio power amplifier chip HT6873 and its peripheral circuits. The corresponding terminals of the audio power amplifier chip HT6873 are electrically connected to the corresponding terminals of the MCU and the speaker, respectively.
5. The intelligent security host of claim 2, wherein, The 4G communication module includes a 4G communication circuit, which includes a 4G communication chip EC800 and its peripheral circuits. The corresponding terminal of the 4G communication chip EC800 is electrically connected to the corresponding terminal of the MCU.
6. The intelligent security host of claim 2, wherein, The status indication module includes a main power indicator, a self-test indicator, a fault indicator, a linkage indicator, a reset indicator, and a fire alarm indicator. The corresponding terminals of the main power indicator, self-test indicator, fault indicator, linkage indicator, reset indicator, and fire alarm indicator are electrically connected to the corresponding terminals of the MCU.
7. The intelligent security host of claim 5, wherein the at least one processor is further configured to: The PCB motherboard is also equipped with a SIM card circuit, which includes a SIMCARD chip and its peripheral circuits. The corresponding terminal of the SIMCARD chip is electrically connected to the corresponding terminal of the 4G communication chip EC800.
8. The intelligent security host of claim 2, wherein, The storage module includes a storage circuit, which includes a storage chip AT24C64 and its peripheral circuits. The corresponding terminal of the storage chip AT24C64 is electrically connected to the corresponding terminal of the MCU.
9. The intelligent security host of claim 1, wherein, The button input module includes a button input circuit, which includes a setting button, an arming button, a disarming button, a self-test button, a linkage button, and a reset button.
10. The intelligent security host of claim 1, wherein, The power supply includes a main power input and a backup power input, wherein the main power input is DC12V and the backup power input is a 7.4V lithium battery.