Intelligent window breaking device
By incorporating first and second power supply modules into the intelligent window-breaking device, the problem of functional loss due to power supply failure is resolved, ensuring the device can function normally in emergencies and improving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI SHENGSU ELECTRONICS TECH CO LTD
- Filing Date
- 2025-09-08
- Publication Date
- 2026-06-19
AI Technical Summary
The smart window breaker loses its function during a power outage, posing a safety hazard.
A first power supply module and a second power supply module are set up. The first power supply module is used to power the main control microcontroller module. In case of failure, the power supply is switched to the second power supply module as a backup power supply to ensure the power supply of the main control microcontroller module.
This ensures that the intelligent window-breaking device can still function normally in the event of a power outage, thus improving safety.
Smart Images

Figure CN224370495U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of window breaker technology, and in particular relates to an intelligent window breaker device. Background Technology
[0002] Window breakers are emergency escape tools used to break windows and escape during emergencies. Traditional window breakers rely primarily on manual mechanical striking; however, they cannot break windows autonomously when the driver or passengers are temporarily incapacitated. This has led to the development of intelligent window breakers capable of autonomous window breaking. However, intelligent window breakers are prone to malfunctioning in the event of a power outage, posing a safety hazard.
[0003] Therefore, it is necessary to provide an intelligent window-breaking device to solve the above problems. Utility Model Content
[0004] This utility model provides an intelligent window-breaking device, which ensures the power supply of the main control microcontroller module by setting up a first and a second power supply module.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An intelligent window-breaking device includes a main control microcontroller module, multiple sensors, a first power supply module, and a second power supply module, wherein the multiple sensors, the first power supply module, and the second power supply module are electrically connected to the main control microcontroller module.
[0007] The multiple sensors are used to detect the temperature and water level inside the vehicle in real time. When the temperature or water level exceeds the preset value, a warning signal is sent to the main control microcontroller module, and the main control microcontroller module controls the window breaking device to break the window.
[0008] The first power supply module is used to supply power to the main control microcontroller module. When the first power supply module fails, it sends a fault signal to the main control microcontroller module. The main control microcontroller module then controls the second power supply module to start working. The second power supply module serves as a backup power supply module to supply power to the active microcontroller module.
[0009] Preferably, the first power supply module includes a low-dropout linear regulator and a battery charging management unit.
[0010] Preferably, the input of the low dropout linear regulator is a +12V voltage, which is filtered by the first capacitor C10 and the second capacitor C11 before entering the input pin of the LDO. The output of the LDO is filtered by the third capacitor C12 and the fourth capacitor C13 to provide the VCC voltage for powering other circuits.
[0011] Preferably, the first capacitor C10 is 100μF, the second capacitor C11 is 100nF, the third capacitor C12 is 10μF, and the fourth capacitor C13 is 100nF.
[0012] Preferably, the battery charging management unit is input with a +12V voltage, and the charging enable signal is controlled by the first resistor R8, the second resistor R9 and the third resistor R32; the positive terminal BAT+ and the negative terminal BAT- of the battery are electrically connected to the charging management chip U1 respectively, and VBAT is the battery voltage detection point.
[0013] Preferably, the PROG and TEMP pins of the charging management chip U1 are used to set charging parameters, and the CHRG, STDBY, and BAT pins of the charging management chip U1 are used to indicate the charging status, standby status, and battery connection status, respectively.
[0014] Preferably, the fifth capacitor C18 and the sixth capacitor C27 are used for power supply filtering to stabilize the voltage.
[0015] Preferably, the fourth resistor R33, the fifth resistor R2, the sixth resistor R9, and the seventh resistor R32 are used for voltage division and current limiting.
[0016] Preferably, the first resistor R8 is 2.2K, the second resistor R9 is 2.2K, the third resistor R32 is 100K, the fifth capacitor C18 is 10μF, the sixth capacitor C27 is 100μF, the fourth resistor R33 is 10K, the fifth resistor R2 is 2.2K, the sixth resistor R9 is 2.2K, and the seventh resistor R32 is 100K.
[0017] Preferably, the second power supply module is a rechargeable lithium battery.
[0018] Compared with the prior art, the technical solution of this utility model has beneficial effects.
[0019] This utility model provides an intelligent window-breaking device, including a main control microcontroller module, multiple sensors, a first power supply module, and a second power supply module. The multiple sensors, the first power supply module, and the second power supply module are electrically connected to the main control microcontroller module. The multiple sensors are used to detect the temperature and water level inside the vehicle in real time. When the temperature or water level exceeds a preset value, a warning signal is sent to the main control microcontroller module, which then controls the window-breaking device to break the window. The first power supply module supplies power to the main control microcontroller module. When the first power supply module malfunctions, a fault signal is sent to the main control microcontroller module, which then controls the second power supply module to start working. The second power supply module serves as a backup power supply module for the active microcontroller module. By setting up the first and second power supply modules, the power supply to the main control microcontroller module is guaranteed.
[0020] Furthermore, the input of the low dropout linear regulator is a +12V voltage. After being filtered by the first capacitor C10 and the second capacitor C11, it enters the input pin of the LDO. The output of the LDO is filtered by the third capacitor C12 and the fourth capacitor C13 to provide the VCC voltage, which is used to power other circuits. By setting the low dropout linear regulator, a stable power supply is provided.
[0021] Furthermore, the battery charging management unit is input with a +12V voltage, which controls the charging enable signal through the first resistor R8, the second resistor R9, and the third resistor R32; the positive terminal BAT+ and the negative terminal BAT- of the battery are electrically connected to the charging management chip U1, respectively. VBAT is the battery voltage detection point. By setting the battery voltage detection point, battery faults can be detected in a timely manner. Attached Figure Description
[0022] Figure 1 This is a structural schematic diagram of an intelligent window-breaking device according to an embodiment of this utility model;
[0023] Figure 2 This is a circuit diagram of the first power supply module of an intelligent window-breaking device according to an embodiment of this utility model. Detailed Implementation
[0024] To make the objectives, features, and beneficial effects of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described below are merely for explaining this utility model and are not intended to limit it. Furthermore, the same or similar reference numerals may be used in the drawings to refer to the same or similar elements in different embodiments, and descriptions of the same or similar elements in different embodiments, as well as descriptions of prior art elements, features, effects, etc., may be omitted.
[0025] Figure 1 This is a structural schematic diagram of an intelligent window-breaking device according to an embodiment of this utility model; Figure 2 This is a circuit diagram of the first power supply module of an intelligent window-breaking device according to an embodiment of this utility model.
[0026] Reference Figures 1-2 This utility model provides an intelligent window breaking device.
[0027] Specifically, the intelligent window-breaking device includes a main control microcontroller module, multiple sensors, a first power supply module, and a second power supply module, wherein the multiple sensors, the first power supply module, and the second power supply module are electrically connected to the main control microcontroller module.
[0028] The multiple sensors are used to detect the temperature and water level inside the vehicle in real time. When the temperature or water level exceeds the preset value, a warning signal is sent to the main control microcontroller module, and the main control microcontroller module controls the window breaking device to break the window.
[0029] The first power supply module is used to supply power to the main control microcontroller module. When the first power supply module fails, it sends a fault signal to the main control microcontroller module. The main control microcontroller module then controls the second power supply module to start working. The second power supply module serves as a backup power supply module to supply power to the active microcontroller module.
[0030] In a specific implementation, the first power supply module includes a low-dropout linear regulator and a battery charging management unit.
[0031] In a specific implementation, the input of the low dropout linear regulator is a +12V voltage. After being filtered by the first capacitor C10 and the second capacitor C11, it enters the input pin of the LDO (Low Dropout Regulator). The output of the LDO is filtered by the third capacitor C12 and the fourth capacitor C13 to provide the VCC voltage, which is used to power other circuits.
[0032] In a specific implementation, the first capacitor C10 is 100μF, the second capacitor C11 is 100nF, the third capacitor C12 is 10μF, and the fourth capacitor C13 is 100nF.
[0033] In a specific implementation, the battery charging management unit is input with a +12V voltage, and the charging enable signal is controlled by the first resistor R8, the second resistor R9 and the third resistor R32; the positive terminal BAT+ and the negative terminal BAT- of the battery are electrically connected to the charging management chip U1 respectively, and VBAT is the battery voltage detection point.
[0034] In specific implementation, the PROG and TEMP pins of the charging management chip U1 are used to set charging parameters, and the CHRG, STDBY, and BAT pins of the charging management chip U1 are used to indicate the charging status, standby status, and battery connection status, respectively.
[0035] In practice, the fifth capacitor C18 and the sixth capacitor C27 are used for power supply filtering to stabilize the voltage.
[0036] In practice, the fourth resistor R33, the fifth resistor R2, the sixth resistor R9, and the seventh resistor R32 are used for voltage division and current limiting.
[0037] In a specific implementation, the first resistor R8 is 2.2K, the second resistor R9 is 2.2K, the third resistor R32 is 100K, the fifth capacitor C18 is 10μF, the sixth capacitor C27 is 100μF, the fourth resistor R33 is 10K, the fifth resistor R2 is 2.2K, the sixth resistor R9 is 2.2K, and the seventh resistor R32 is 100K.
[0038] In practice, the second power supply module is a rechargeable lithium battery.
[0039] In summary, the present invention provides an intelligent window-breaking device, comprising a main control microcontroller module, multiple sensors, a first power supply module, and a second power supply module. The multiple sensors, the first power supply module, and the second power supply module are electrically connected to the main control microcontroller module. The multiple sensors are used to detect the temperature and water level inside the vehicle in real time. When the temperature or water level exceeds a preset value, a warning signal is sent to the main control microcontroller module, which then controls the window-breaking device to break the window. The first power supply module supplies power to the main control microcontroller module. When the first power supply module malfunctions, a fault signal is sent to the main control microcontroller module, which then controls the second power supply module to start working. The second power supply module serves as a backup power supply module for the active microcontroller module. By setting up the first and second power supply modules, the power supply to the main control microcontroller module is guaranteed.
[0040] Furthermore, the input of the low dropout linear regulator is a +12V voltage. After being filtered by the first capacitor C10 and the second capacitor C11, it enters the input pin of the LDO. The output of the LDO is filtered by the third capacitor C12 and the fourth capacitor C13 to provide the VCC voltage, which is used to power other circuits. By setting the low dropout linear regulator, a stable power supply is provided.
[0041] Furthermore, the battery charging management unit is input with a +12V voltage, which controls the charging enable signal through the first resistor R8, the second resistor R9, and the third resistor R32; the positive terminal BAT+ and the negative terminal BAT- of the battery are electrically connected to the charging management chip U1, respectively. VBAT is the battery voltage detection point. By setting the battery voltage detection point, battery faults can be detected in a timely manner.
[0042] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of this utility model disclosure, even when only a single embodiment is described with respect to a particular feature. The feature examples provided in this utility model disclosure are intended to be illustrative and not limiting, unless otherwise stated. In practice, one or more technical features of the dependent claims may be combined with the technical features of the independent claims as needed and where technically feasible, and may be derived from the technical features of the respective independent claims in any suitable manner rather than solely by the specific combinations listed in the claims.
[0043] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.
Claims
1. An intelligent window-breaking device, characterized in that, It includes a main control microcontroller module, multiple sensors, a first power supply module, and a second power supply module, wherein the multiple sensors, the first power supply module, and the second power supply module are electrically connected to the main control microcontroller module respectively; The multiple sensors are used to detect the temperature and water level inside the vehicle in real time. When the temperature or water level exceeds the preset value, a warning signal is sent to the main control microcontroller module, and the main control microcontroller module controls the window breaking device to break the window. The first power supply module is used to supply power to the main control microcontroller module. When the first power supply module fails, it sends a fault signal to the main control microcontroller module. The main control microcontroller module then controls the second power supply module to start working. The second power supply module serves as a backup power supply module to supply power to the active microcontroller module.
2. The intelligent window-breaking device according to claim 1, characterized in that, The first power supply module includes a low-dropout linear regulator and a battery charging management unit.
3. The intelligent window-breaking device according to claim 2, characterized in that, The input voltage of the low dropout linear regulator is +12V. After being filtered by the first capacitor C10 and the second capacitor C11, it enters the input pin of the LDO. The output of the LDO is filtered by the third capacitor C12 and the fourth capacitor C13 to provide the VCC voltage, which is used to power other circuits.
4. The intelligent window-breaking device according to claim 3, characterized in that, The first capacitor C10 is 100μF, the second capacitor C11 is 100nF, the third capacitor C12 is 10μF, and the fourth capacitor C13 is 100nF.
5. The intelligent window-breaking device according to claim 2, characterized in that, The battery charging management unit receives a +12V voltage input, which is controlled by the first resistor R8, the second resistor R9, and the third resistor R32 to enable the charging signal. The positive terminal BAT+ and the negative terminal BAT- of the battery are electrically connected to the charging management chip U1, and VBAT is the battery voltage detection point.
6. The intelligent window-breaking device according to claim 2, characterized in that, The PROG and TEMP pins of the charging management chip U1 are used to set charging parameters, and the CHRG, STDBY, and BAT pins of the charging management chip U1 are used to indicate the charging status, standby status, and battery connection status, respectively.
7. The intelligent window-breaking device according to claim 5, characterized in that, The fifth capacitor C18 and the sixth capacitor C27 are used for power supply filtering to stabilize the voltage.
8. The intelligent window-breaking device according to claim 7, characterized in that, The fourth resistor R33, the fifth resistor R2, the sixth resistor R9, and the seventh resistor R32 are used for voltage division and current limiting.
9. The intelligent window-breaking device according to claim 8, characterized in that, The first resistor R8 is 2.2K, the second resistor R9 is 2.2K, the third resistor R32 is 100K, the fifth capacitor C18 is 10μF, the sixth capacitor C27 is 100μF, the fourth resistor R33 is 10K, the fifth resistor R2 is 2.2K, the sixth resistor R9 is 2.2K, and the seventh resistor R32 is 100K.
10. The intelligent window-breaking device according to claim 1, characterized in that, The second power supply module is a rechargeable lithium battery.