TW202141439A - Temperature-sensitive glass ball, temperature-sensitive alarm circuit, and electronic device - Google Patents

Abstract

The present disclosure relates to a temperature-sensitive alarm circuit. The temperature-sensitive alarm circuit includes a temperature-sensitive glass ball, a SOC circuit and an alarm. The first end of the temperature-sensitive glass ball is connected to a supply voltage by an input resistance, and a second end of the temperature-sensitive glass ball is connected to a ground end. The SOC circuit is connected to the first end of the temperature-sensitive glass ball and is used to detect a voltage value of the first end of the temperature-sensitive glass ball. When an ambient temperature reaches a blasting temperature of the temperature-sensitive glass ball, the temperature-sensitive glass ball blasts, and the supply voltage is disconnected with the temperature-sensitive glass ball, and the voltage of the first end is high, and the alarm is activated when the SOC circuit detects that the voltage value of the first end is high. The present disclosure also relates to a temperature-sensitive glass ball and an electronic device. The present disclosure can alert user in time in the event of a fire, and avoid user's fire casualties.

Description

Temperature sensing glass ball, temperature sensing alarm circuit and electronic device

The invention relates to the field of electronic circuits, in particular to a temperature-sensing glass ball, a temperature-sensing alarm circuit and an electronic device.

In many cases of fire casualties, many fires occur at night, and people may be directly burned to death while sleeping. At present, many old residential building communities and new residential buildings are not equipped with automatic fire alarm devices and smoke-sensing temperature fire detectors. When a fire occurs, people who are sleeping will miss out because they do not have any effective fire detection and alarm devices. The best time to escape from the fire scene, resulting in a large number of fire casualties. In today's society, mobile phones have become a must-have electronic product for everyone. No matter whether it is day or night, the mobile phone will basically not leave your side, and the mobile phone has the basic functions of vibrating ringtones and directly communicating with emergency contacts. In addition, the current temperature-sensing glass balls are all non-conductive, so it is necessary to additionally provide a conductive element on the temperature-sensing glass balls so that the temperature-sensing glass balls are connected to the temperature-sensing alarm circuit. Therefore, it is necessary to provide a mobile phone with a temperature-sensing alarm function to promptly detect and remind users in the event of a fire.

In view of the above, it is necessary to provide a temperature-sensing glass ball, a temperature-sensing alarm circuit and an electronic device to detect and remind users in time in the event of a fire, so as to avoid fire accidents.

The first aspect of the present application provides a temperature-sensitive glass ball, which can conduct electricity.

Preferably, the outer surface/inner surface of the temperature-sensitive glass ball is coated with a conductive material, or the temperature-sensitive glass ball is sealed to contain a vaporizable conductive liquid.

A second aspect of the present application provides a temperature sensing alarm circuit, including a temperature sensing glass ball, a power supply voltage, an input resistance, and a ground terminal. The temperature sensing glass ball includes a first end and a second end. The input resistance is connected to the power supply voltage, the second terminal is connected to the ground terminal, the temperature sensing alarm circuit further includes an SOC circuit and an alarm, the SOC circuit is connected to the alarm, and the SOC The circuit is connected to the first end of the temperature-sensitive glass ball, and the SOC circuit is used to detect the voltage value of the first end of the temperature-sensitive glass ball, when the ambient temperature does not reach the explosion temperature of the temperature-sensitive glass ball , The temperature-sensitive glass ball will not burst, the power supply voltage and the circuit between the temperature-sensitive glass ball are connected, and the voltage at the first end is low; when the ambient temperature reaches the temperature-sensitive glass When the blasting temperature of the ball, the temperature-sensitive glass ball bursts, the power supply voltage is disconnected from the circuit between the temperature-sensitive glass ball, the voltage at the first end is high, and the SOC circuit detects When the voltage value to the first end of the temperature sensing glass ball is high level, the alarm is controlled to give an alarm.

Preferably, a vaporizable conductive liquid is sealed and contained inside the temperature-sensitive glass ball, and the conductive liquid is electrically connected to the first end and the second end of the temperature-sensitive glass ball.

Preferably, a glass tube filled with conductive liquid is arranged in the temperature-sensitive glass ball, and the conductive liquid is electrically connected to the first end and the second end of the temperature-sensitive glass ball through the glass tube filled with conductive liquid. Sexual connection.

Preferably, the conductive liquid is electrically connected to the first end and the second end of the temperature-sensitive glass ball through wires.

Preferably, the inside of the temperature-sensitive glass ball is sealed with a vaporizable liquid, the outer surface/inner surface of the temperature-sensitive glass ball is coated with a conductive material, and the first end of the temperature-sensitive glass ball is connected to The second ends are respectively connected to the outer surface/inner surface of the temperature-sensitive glass ball.

Preferably, the temperature sensing alarm circuit further includes a vibration module, the vibration module is connected to the SOC circuit, when the SOC circuit detects that the voltage value of the first end of the temperature sensing glass ball is high Usually, the vibration module is controlled to vibrate.

A third aspect of the present application provides an electronic device including the above-mentioned temperature sensing alarm circuit.

Preferably, the electronic device further includes a communication module, the communication module is connected to the SOC circuit of the temperature sensing alarm circuit, when the SOC circuit detects the voltage value of the first end of the temperature sensing glass ball When it is high level, it detects whether the user's instruction to turn off the alarm is received within the preset time. When the user's instruction to turn off the alarm is not received within the preset time, the SOC circuit obtains the position of the electronic device Information, controlling the communication module to contact a preset emergency contact person, and send the acquired location information of the electronic device to the contact person.

In this case, when a fire occurs, the temperature sensing glass ball is used to detect whether the ambient temperature exceeds the blasting temperature of the temperature sensing glass ball, and when the ambient temperature exceeds the blasting temperature of the temperature sensing glass ball, the SOC circuit sends a control command to control the alarm The device alarms, so as to promptly remind the user to avoid fire accidents.

Please refer to FIG. 1, which is a schematic diagram of a temperature sensing alarm circuit 1 in an embodiment of the present invention. In this embodiment, the temperature sensing alarm circuit 1 at least includes a temperature sensing glass ball 11, a power supply voltage 12, an input resistance 13, a ground terminal 14, a SOC (System On Chip) circuit 15 and an alarm 16. In this embodiment, the temperature-sensitive glass ball 11 includes a first end 111 and a second end 112. The first end 111 of the temperature-sensitive glass ball 11 is connected to the power supply voltage 12 through the input resistor 13. In this embodiment, the input resistance is 100 kΩ, and the power supply voltage 12 is 1.8V. The second end 112 of the temperature-sensitive glass ball 11 is connected to the ground end 14. The SOC circuit 15 is connected to the alarm device 16. The SOC circuit 15 is connected to the first end 111 of the temperature-sensitive glass ball 11 and the SOC circuit 15 is used to detect the voltage value of the first end 111 of the temperature-sensitive glass ball 11. In this embodiment, when a fire occurs, the ambient temperature will gradually increase. When the ambient temperature does not reach the blasting temperature of the temperature-sensitive glass ball 11, the temperature-sensitive glass ball 11 will not burst, and the power supply voltage 12 is equal to The circuit between the temperature-sensitive glass balls 11 is connected, and the voltage at the first end 111 of the temperature-sensitive glass balls 11 is at a low level. When the ambient temperature reaches the explosion temperature of the temperature-sensitive glass ball 11, the temperature-sensitive glass ball 11 bursts, the power supply voltage 12 and the circuit between the temperature-sensitive glass ball 11 are disconnected, and the temperature-sensitive glass ball 11 is disconnected. The voltage of the first end 111 of the glass ball 11 is at a high level, and when the SOC circuit 15 detects that the voltage value of the first end 111 of the temperature-sensitive glass ball 11 is at a high level, the alarm 16 is controlled to give an alarm. Therefore, in this case, in the event of a fire, the temperature-sensitive glass ball 11 is used to detect whether the ambient temperature exceeds the explosion temperature of the temperature-sensitive glass ball 11, and when the ambient temperature exceeds the explosion temperature of the temperature-sensitive glass ball 11, it is sent by the SOC circuit 15 The control instruction controls the alarm device 16 to give an alarm, so as to prompt the user in time and avoid the user from fire accidents.

In this embodiment, the temperature sensing alarm circuit 1 further includes a closed container 18. The temperature-sensitive glass ball 11 is contained in the airtight container 18. In this embodiment, the temperature-sensitive glass ball 11 is sealed with a conductive liquid 113 that can be vaporized. The conductive liquid 113 is electrically connected to the first end 111 and the second end 112 of the temperature-sensitive glass ball 11. In one embodiment, the temperature-sensitive glass ball 11 is provided with a glass tube 114 filled with a conductive liquid, and the conductive liquid 113 is connected to the first part of the temperature-sensitive glass ball 11 through the glass tube 114 filled with the conductive liquid. The terminal 111 and the second terminal 112 are electrically connected. In this embodiment, the conductive liquid 113 is a vaporizable conductive liquid (for example, mercury) or a mixture of a vaporizable conductive liquid and a conductive substance. In another embodiment, the conductive liquid 113 is electrically connected to the first end 111 and the second end 112 of the temperature-sensitive glass ball 11 through wires. In this embodiment, different conductive liquids can be distinguished by different colors. For example, conductive liquids can be divided into orange conductive liquids, red conductive liquids, yellow conductive liquids, and green conductive liquids. Among them, the orange conductive liquid corresponds to a burst temperature of 57°C, the red conductive liquid corresponds to a burst temperature of 68°C, and the yellow conductive liquid corresponds to a burst temperature of 68°C. The explosion temperature corresponding to the liquid is 79°C, and the explosion temperature corresponding to the green conductive liquid is 93°C. In this embodiment, when the ambient temperature reaches the blasting temperature, the conductive liquid 113 expands and blasts the temperature-sensitive glass ball 11, thereby disconnecting the circuit between the power supply voltage 12 and the temperature-sensitive glass ball 11 .

In one embodiment, the inside of the temperature-sensitive glass ball 11 is sealed with a vaporizable liquid, and the outer surface/inner surface of the temperature-sensitive glass ball 11 is coated with a conductive material. The first end 111 and the second end 112 of the temperature-sensitive glass ball 11 are respectively connected to the outer surface/inner surface of the temperature-sensitive glass ball 11, so that when the ambient temperature does not reach the explosion of the temperature-sensitive glass ball 11 Temperature, the circuit between the power supply voltage 12 and the temperature sensing glass ball 11 is connected, or when the ambient temperature reaches the blasting temperature of the temperature sensing glass ball 11, the power supply voltage 12 and the sensing glass ball 11 The circuit between the warm glass balls 11 is disconnected. In this embodiment, the vaporizable liquid includes at least alcohol. In other embodiments, the vaporizable liquid may be an organic solution with a high thermal expansion coefficient.

In this embodiment, the alarm 16 is a loudspeaker, and when the SOC circuit 15 detects that the voltage value of the first end 111 of the temperature-sensitive glass ball 11 is high, the loudspeaker is controlled to emit a sound to give an alarm.

In one embodiment, the temperature sensing alarm circuit 1 further includes a vibration module 17. The vibration module 17 is connected to the SOC circuit 15. When the SOC circuit 15 detects that the voltage value of the first end 111 of the temperature-sensitive glass ball 11 is at a high level, the vibration module 17 is controlled to vibrate, thereby reminding the user. In this embodiment, the vibration module 17 is a vibration motor module.

Please refer to FIG. 2, which shows a functional module diagram of the electronic device 100 in an embodiment of the present invention. In this embodiment, the electronic device 100 includes the temperature sensing alarm circuit 1 and the communication module 2. The communication module 2 is connected to the SOC circuit 15 of the temperature sensing alarm circuit 1. In this embodiment, the electronic device 100 is a mobile phone. Please refer to FIG. 3, which is a schematic structural diagram of an electronic device 100 in an embodiment of the present invention. The temperature sensing glass ball 11 in the temperature sensing alarm circuit 1 is installed on the back cover 101 of the electronic device 100. Specifically, the temperature-sensitive glass ball 11 is installed in a closed container 18, and the closed container 18 is installed on the rear cover 101 of the electronic device 100 at a position close to the rear camera. When the SOC circuit 15 detects that the voltage value of the first end 111 of the temperature-sensitive glass ball 11 is high, it detects whether the user has received an instruction to turn off the alarm 16 or the vibration module 17 within a preset time. When the user's instruction to turn off the alarm 16 or the vibration module 17 is not received within the preset time, the SOC circuit 15 obtains the location information of the electronic device 100 and controls the communication module 2 to contact the preset emergency contact person. And send the acquired location information of the electronic device 100 to the emergency contact person. Therefore, when the user fails to detect a fire situation because of a deep sleep, the user is notified by the preset emergency contact person to avoid the occurrence of casualties caused by the user not being notified in time.

1: Temperature sensing alarm circuit 11: Temperature Sensing Glass Ball 12: Power supply voltage 13: Input resistance 14: Ground terminal 15: SOC circuit 16: Alarm 17: Vibration module 18: airtight container 111: first end 112: second end 113: Conductive liquid 114: glass tube 100: electronic device 101: back cover 2: Communication module

Fig. 1 is a schematic diagram of a temperature sensing alarm circuit in an embodiment of the present invention.

2 is a diagram of functional modules of an electronic device in an embodiment of the present invention.

FIG. 3 is a schematic diagram of an electronic device in an embodiment of the invention.

1: Temperature sensing alarm circuit

11: Temperature Sensing Glass Ball

12: Power supply voltage

13: Input resistance

14: Ground terminal

15: SOC circuit

16: Alarm

17: Vibration module

18: airtight container

111: first end

112: second end

113: Conductive liquid

114: glass tube

Claims (11)

A temperature-sensitive glass ball, which is improved in that the temperature-sensitive glass ball can conduct electricity. The temperature-sensitive glass ball according to claim 1, wherein the outer surface/inner surface of the temperature-sensitive glass ball is coated with a conductive material, or the temperature-sensitive glass ball is sealed to contain a vaporizable conductive liquid. A temperature-sensing alarm circuit includes a power supply voltage, an input resistance, and a ground terminal. The improvement is that the alarm circuit further includes the temperature-sensing glass ball according to any one of claims 1 to 2, the temperature-sensing glass ball It includes a first terminal and a second terminal. The first terminal is connected to the power supply voltage through the input resistance, and the second terminal is connected to the ground terminal. The temperature sensing alarm circuit also includes a SOC circuit and An alarm, the SOC circuit is connected to the alarm, the SOC circuit is connected to the first end of the temperature-sensitive glass ball, and the SOC circuit is used to detect the voltage of the first end of the temperature-sensitive glass ball When the ambient temperature does not reach the explosion temperature of the temperature-sensitive glass ball, the temperature-sensitive glass ball will not burst, the power supply voltage and the circuit between the temperature-sensitive glass ball are connected, and the first The voltage at the terminal is low; when the ambient temperature reaches the blasting temperature of the temperature-sensitive glass ball, the temperature-sensitive glass ball bursts, and the power supply voltage is disconnected from the circuit between the temperature-sensitive glass ball, The voltage at the first terminal is at a high level, and the SOC circuit detects that the voltage at the first terminal of the temperature sensing glass ball is at a high level, and controls the alarm to give an alarm. The temperature sensing alarm circuit according to claim 3, wherein the internal sealing of the temperature sensing glass ball contains a vaporizable conductive liquid, and the conductive liquid is in contact with the first end and the first end of the temperature sensing glass ball. The two ends are electrically connected. The temperature-sensing alarm circuit according to claim 4, wherein a glass tube filled with a conductive liquid is arranged in the temperature-sensing glass ball, and the conductive liquid is connected to the temperature-sensing glass tube through the glass tube filled with the conductive liquid. The first end and the second end of the glass ball are electrically connected. The temperature-sensing alarm circuit according to claim 4, wherein the conductive liquid is electrically connected to the first end and the second end of the temperature-sensing glass ball through wires. The temperature-sensitive alarm circuit according to claim 3, wherein the inner seal of the temperature-sensitive glass ball contains a vaporizable liquid, and the outer surface/inner surface of the temperature-sensitive glass ball is coated with a conductive material, The first end and the second end of the temperature-sensitive glass ball are respectively connected to the outer surface/inner surface of the temperature-sensitive glass ball. The temperature-sensing alarm circuit according to claim 3, wherein the temperature-sensing alarm circuit further includes a vibration module, and the vibration module is connected to the SOC circuit, and when the SOC circuit detects the temperature-sensitive glass When the voltage value of the first end of the ball is high, the vibration module is controlled to vibrate. An electronic device, which is improved in that the electronic device includes the temperature sensing alarm circuit as described in claim 3. An electronic device, which is improved in that the electronic device includes the temperature sensing alarm circuit according to any one of claims 4 to 8. The electronic device according to claim 10, wherein the electronic device further includes a communication module, and the communication module is connected to the SOC circuit of the temperature sensing alarm circuit, and when the SOC circuit detects the When the voltage value of the first end of the temperature sensing glass ball is high, it detects whether the user's instruction to turn off the alarm is received within the preset time. When the user's instruction to turn off the alarm is not received within the preset time, The SOC circuit acquires the location information of the electronic device, controls the communication module to contact a preset emergency contact person, and sends the acquired location information of the electronic device to the contact person.

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