CN211506670U

CN211506670U - Photoelectric smoke alarm

Info

Publication number: CN211506670U
Application number: CN201922386993.1U
Authority: CN
Inventors: 宋明士
Original assignee: Zhejiang Gizze Communication Technology Co ltd
Current assignee: Zhejiang Gizze Communication Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-15
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a photoelectric smoke alarm, include: the infrared-remote control alarm device comprises a power source, an infrared geminate transistor module, a warning lamp, a buzzer, a first control module, a second control module and a wireless module, wherein the output end of the infrared geminate transistor module is connected with the input end of the first control module, the output end of the first control module is respectively connected with the input ends of the infrared geminate transistor module and the buzzer, the first control module is connected with the second control module, the second control module is connected with the wireless module, and the power source is respectively connected with the infrared geminate transistor module, the warning lamp, the buzzer, the first control module, the second control module and the NB-IOT module. The utility model discloses photoelectric smoke alarm also can send the current electric quantity of equipment for receiving alert platform when sending smoke information, is convenient for receive alert platform to know equipment running state and in time maintain.

Description

Photoelectric smoke alarm

Technical Field

The utility model belongs to the technical field of the alarm and specifically relates to a photoelectric smoke alarm is related to.

Background

In order to prevent life and property loss caused by fire accidents, smoke alarms are required to be installed in public places, the smoke alarms can detect tiny particles in smoke generated before fire, and the alarm condition can be forecasted at the initial stage of the fire, so that the fire is prevented from being expanded continuously, and the smoke alarms play an important role in protecting life and property safety of people.

At present, a smoke alarm can only transmit smoke information, an alarm platform cannot monitor the working state of the smoke alarm, and if the smoke alarm cannot work normally, alarm missing of an alarm situation can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a photoelectric smoke alarm can send self equipment running state information, is convenient for carry out equipment operating condition control.

In a first aspect, an embodiment of the present invention provides a photoelectric smoke alarm: the method comprises the following steps: a power supply, an infrared geminate transistor module, a warning light, a buzzer, a first control module, a second control module and a wireless module,

the output end of the infrared geminate transistor module is connected with the input end of the first control module, the output end of the first control module is respectively connected with the input ends of the infrared geminate transistor module and the buzzer,

the first control module is connected with the second control module,

the second control module is connected with the wireless module,

the power supply is respectively connected with the infrared geminate transistor module, the warning lamp, the buzzer, the first control module, the second control module and the wireless module.

The utility model discloses photoelectric smoke alarm has following beneficial effect at least: the current electric quantity information is acquired through the second control module and is sent to the alarm receiving platform through the wireless module, the alarm receiving platform is facilitated to know the working state of the equipment, and the equipment is replaced in time.

According to the utility model discloses a photoelectric smoke alarm of other embodiments still includes the button, the button with first control module connects.

Further, the first control module comprises an HT45F23A chip and peripheral circuits thereof.

Further, the second control module comprises an STM8L151G4U6 chip and peripheral circuits thereof.

Further, the wireless module is an NB-IOT module.

Further, the NB-IOT module comprises a BC95 chip and peripheral circuits thereof.

Further, the wireless module is a LoRa module.

Further, the LoRa module includes an S78S chip and its peripheral circuits.

Further, the infrared pair of transistor module includes infrared emission unit and infrared receiving unit, infrared emission unit with first control module connects, infrared receiving unit includes infrared receiving tube and operational amplification circuit, the output of infrared receiving tube is connected operational amplification circuit's input, operational amplification circuit's output is connected first control module's input.

Drawings

Fig. 1 is a block diagram of an embodiment of a photoelectric smoke alarm according to an embodiment of the present invention;

fig. 2 is a circuit diagram of a first control module in an embodiment of an optoelectronic smoke alarm in an embodiment of the present invention;

fig. 3 is a circuit diagram of an infrared emitting unit in an embodiment of a photoelectric smoke alarm in an embodiment of the present invention;

fig. 4 is a circuit diagram of an infrared receiving unit in an embodiment of a photoelectric smoke alarm in an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a second control module in an embodiment of an optoelectronic smoke alarm in an embodiment of the invention;

fig. 6 is a schematic circuit diagram of a wireless module in an embodiment of an optoelectronic smoke alarm in an embodiment of the invention;

fig. 7 is a schematic circuit diagram of a wireless module in another embodiment of an optoelectronic smoke alarm in accordance with an embodiment of the present invention.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or indirectly disposed, secured, connected, or mounted to the other feature.

In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

Referring to fig. 1, a block diagram of a specific embodiment of the photoelectric smoke alarm in the embodiment of the present invention is shown, which specifically includes: a power supply, an infrared geminate transistor module, a warning light, a buzzer, a first control module, a second control module and a wireless module,

the output end of the infrared geminate transistor module is connected with the input end of the first control module, the output end of the first control module is connected with the input ends of the infrared geminate transistor module and the buzzer respectively, the external smoke state is detected at regular time through the infrared geminate transistor module, and when the external smoke exceeds a critical value, the first control module controls the warning lamp and the buzzer to be started to give an alarm.

The first control module is connected with the second control module, and when the external smoke exceeds a critical value, the first control module wakes up the second control module in a dormant state.

The second control module is connected with the wireless module, the second control module sends the electric quantity information and the smoke information to the wireless module, and the wireless module sends the information to the alarm receiving platform

The power supply is respectively connected with the infrared geminate transistor module, the warning lamp, the buzzer, the first control module, the second control module and the wireless module and supplies power to the equipment.

This embodiment sends current smog state information and equipment electric quantity information to wireless module through second control module, sends information for receiving the platform of police by wireless module, is convenient for receive the platform of police to know equipment operating condition information to avoid failing because of the equipment trouble emergence alarm.

In another embodiment, the device further comprises a key, wherein the key is connected with the first control module, and the warning lamp and the buzzer are controlled by inputting a test signal through the key, so that the installation and debugging are facilitated.

Referring to fig. 2-6 for a concrete embodiment circuit schematic diagram of photoelectric smoke alarm in the embodiment of the utility model, first control module includes HT45F23A chip and peripheral circuit, the second control module includes STM8L151G4U6 chip and peripheral circuit, wireless module includes NB-IOT BC95 chip and peripheral circuit, infrared pair pipe module includes infrared emission unit and infrared receiving unit, infrared emission unit is connected with first control module, infrared receiving unit includes infrared receiving tube and operational amplifier circuit, operational amplifier circuit's input is connected to the output of infrared receiving tube, first control module's input is connected to operational amplifier circuit's output.

The output end (4 th pin) of the first control module U2 controls the infrared transmitting unit to send smoke detection signals at regular time, the infrared receiving unit receives the signals through the infrared receiving tube and sends the signals to the input end (pin 12) of the first control module U2 after the signals are sent through the amplifier, when smoke exceeds a threshold value, the first control module U2 controls the warning lamp to light through the output end (pin 11), and the buzzer is controlled to give an alarm through the output end (pin 3).

The first control unit (U2

pins

5, 6, 7, 9 and 10) is connected with the second control unit (

pins

4, 5, 8, 9 and 10), when smoke exceeds a threshold value, the first control unit wakes up the second control unit, the second control unit sends smoke information and current power supply electric quantity to an input end (pin 40) of the BC95 chip through an output port, and the current electric quantity information and the smoke information are sent to an alarm receiving platform.

Referring to fig. 7, in another embodiment, the wireless module is an LoRa module, and the LoRa module includes an S78S chip and its peripheral circuits.

The second control unit sends the smoke information and the current power supply electric quantity to the input end (pin 46) of the S78S chip through the output port, and sends the current electric quantity information and the smoke information to the alarm receiving platform

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. A photoelectric smoke alarm, comprising: a power supply, an infrared geminate transistor module, a warning light, a buzzer, a first control module, a second control module and a wireless module,

the first control module is connected with the second control module,

the second control module is connected with the wireless module,

2. The photoelectric smoke alarm of claim 1, further comprising a key connected to the first control module.

3. The photoelectric smoke alarm of claim 1, wherein said first control module comprises a HT45F23A chip and its peripheral circuitry.

4. The photoelectric smoke alarm of claim 1, wherein the second control module comprises an STM8L151G4U6 chip and its peripheral circuitry.

5. The photoelectric smoke alarm of claim 1, wherein the wireless module is an NB-IOT module.

6. The photoelectric smoke alarm of claim 5, wherein the NB-IOT module comprises a BC95 chip and its peripheral circuitry.

7. The photoelectric smoke alarm of claim 1, wherein the wireless module is a LoRa module.

8. The photoelectric smoke alarm of claim 7, wherein the LoRa module comprises an S78S chip and its peripheral circuitry.

9. The photoelectric smoke alarm device as claimed in any one of claims 1 to 8, wherein said pair of infrared tube modules comprises an infrared emitting unit and an infrared receiving unit, said infrared emitting unit is connected with said first control module, said infrared receiving unit comprises an infrared receiving tube and an operational amplifier circuit, an output end of said infrared receiving tube is connected with an input end of said operational amplifier circuit, and an output end of said operational amplifier circuit is connected with an input end of said first control module.