CN210721768U - Smoke alarm device - Google Patents
Smoke alarm device Download PDFInfo
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- CN210721768U CN210721768U CN201921635073.2U CN201921635073U CN210721768U CN 210721768 U CN210721768 U CN 210721768U CN 201921635073 U CN201921635073 U CN 201921635073U CN 210721768 U CN210721768 U CN 210721768U
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Abstract
The utility model provides a smoke sensing alarm device, which relates to the field of smart home, and comprises a mainboard, a smoke sensing module and a battery module, wherein the smoke sensing module and the battery module are connected with the mainboard; the direct-current power supply module is used for supplying power to the mainboard, the direct-current power supply module is connected with the first battery box through the first switch and is connected with the second battery box through the second switch, and the control module is used for controlling the first switch and the second switch to be turned on and turned off. The embodiment of the utility model provides a can improve the reliability that alarm device was felt to the cigarette.
Description
Technical Field
The utility model relates to an intelligence house field especially relates to an alarm device is felt to cigarette.
Background
Personal and property safety is a basic requirement of people on living environment, and with the development of science and technology, the living environment of people is gradually networked, intelligentized and humanized under the addition of intelligent household equipment.
The smoke alarm device is one of intelligent household equipment, can timely detect fire and transmit detected information to the control platform through a wireless network. The smoke alarm device is an important tool for detecting fire information, and has higher requirement on the reliability of the smoke alarm device in order to avoid missing the fire information.
Among the prior art, the alarm device is felt to cigarette uses the battery power supply, and at the in-process of changing the battery, alarm device is felt to cigarette stop work, can't survey fire information, can lead to the lower reliability of alarm device is felt to cigarette.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an alarm device is felt to cigarette to solve among the prior art cigarette and feel the lower problem of alarm device's reliability.
In order to solve the technical problem, the utility model discloses a realize like this:
the embodiment of the utility model provides a smoke alarm device, the device includes the mainboard, smoke induction module and battery module connected with the mainboard, battery module includes first battery case and second battery case at least, the mainboard includes DC power supply module, control module, analog-to-digital conversion module, first switch and second switch, analog-to-digital conversion module respectively with control module, first battery case and second battery case are connected;
the direct-current power supply module is used for supplying power to the mainboard, the direct-current power supply module is connected with the first battery box through the first switch and is connected with the second battery box through the second switch, and the control module is used for controlling the first switch and the second switch to be turned on and turned off.
Optionally, the motherboard further includes a programmable logic device, and the analog-to-digital conversion module is connected to the control module through the programmable logic device.
Optionally, the analog-to-digital conversion module includes a first analog-to-digital conversion unit and a second analog-to-digital conversion unit, and the programmable logic device is connected to the first battery box through the first analog-to-digital conversion unit and connected to the second battery box through the second analog-to-digital conversion unit.
Optionally, the main board further includes a wireless communication module, and the wireless communication module is connected to the server.
Optionally, the wireless communication module is connected to the programmable logic device.
Optionally, the wireless communication module includes a narrowband internet of things module or a 2G module.
Optionally, the wireless communication module is connected to the programmable logic device through a universal asynchronous receiver/transmitter.
Optionally, the first switch and the second switch are both metal-oxide semiconductor field effect transistors.
Optionally, the programmable logic device is connected to the control module through an I2C bus.
Optionally, the control module includes a micro control unit.
In the embodiment of the utility model, the voltage values of the first battery box and the second battery box are collected by the analog-to-digital conversion module, and the control module controls the opening and closing of the first switch and the second switch based on the voltage values collected by the analog-to-digital conversion module, so that when the voltage value of the first battery box is detected to be lower, the second battery box is switched to continue to supply power, and a user can conveniently replace the battery of the first battery box; when the voltage value of the second battery box is detected to be lower, the first battery box is switched to continue power supply, and a user can replace the battery of the second battery box conveniently. The utility model discloses alarm device is felt to cigarette can avoid changing the in-process stop work of battery to lead to unable detection fire information, can improve alarm device's is felt to the cigarette reliability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is one of schematic structural diagrams of a smoke alarm device provided in an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a smoke alarm device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a smoke alarm device according to an embodiment of the present invention, where the smoke alarm device includes a main board 1, a smoke sensing module 2 and a battery module 3 connected to the main board 1, the battery module 3 at least includes a first battery box 31 and a second battery box 32, the main board 1 includes a dc power module 4, a control module 5, an analog-to-digital conversion module 6, a first switch 7 and a second switch 8, and the analog-to-digital conversion module 6 is connected to the control module 5, the first battery box 31 and the second battery box 32 respectively;
the dc power module 4 is configured to supply power to the motherboard 1, the dc power module 4 is connected to the first battery box 31 through the first switch 7 and connected to the second battery box 32 through the second switch 8, and the control module 5 is configured to control the first switch 7 and the second switch 8 to be turned on and off.
Wherein, the smoke alarm device can be a wireless smoke alarm device. The main board 1 may be a communication main board 1. The smoke sensing module 2 may include a smoke sensing sensor, and when the smoke sensing sensor collects smoke data, the smoke sensing module 2 reports a smoke alarm switching value to the control module 5. The first battery compartment 31 may include a plurality of batteries, the second battery compartment 32 may include a plurality of batteries, and the first battery compartment 31 and the second battery compartment 32 may serve as a power source for the smoke alarm device. When the first switch 7 is turned on, the first battery box 31 supplies power to the main board 1 through the dc power module 4, and when the first switch 7 is turned off, the first battery box 31 and the dc power module 4 are not conducted; when the second switch 8 is turned on, the second battery box 32 supplies power to the main board 1 through the dc power module 4, and when the second switch 8 is turned off, the second battery box 32 is not conducted with the dc power module 4. The DC power module 4 may be a DC-DC power module for reducing the voltage to the voltage of the main board 1, for example, 3.3V. The control module 5 may include a Micro Control Unit (MCU), or may be a single chip microcomputer or a microprocessor.
In addition, the analog-to-digital conversion module 6, that is, the ADC module, is configured to sample and acquire voltage information, and the analog-to-digital conversion module 6 samples the first battery box 31 to acquire the voltage information of the first battery box 31, and samples the second battery box 32 to acquire the voltage information of the second battery box 32. The analog-to-digital conversion module 6 sends the voltage information of the first battery box 31 and the voltage information of the second battery box 32 to the control module 5, the control module 5 monitors the voltage of the first battery box 31 and the voltage of the second battery box 32, and when the voltage value of the first battery box 31 is detected to be lower than a preset value, the second battery box 32 is switched to continue to supply power, and a user can conveniently replace the battery of the first battery box 31; when the voltage value of the second battery box 32 is detected to be lower than the preset value, the first battery box 31 is switched to continue supplying power, and a user can replace the battery of the second battery box 32 conveniently. When the first battery box 31 or the second battery box 32 is replaced, the smoke sensing device can be always kept without power failure, so that the smoke sensing device can continuously run under the condition of continuous power supply.
In the embodiment of the present invention, the voltage values of the first battery box 31 and the second battery box 32 are collected by the analog-to-digital conversion module 6, and the control module 5 controls the first switch 7 and the second switch 8 to be turned on and off based on the voltage values collected by the analog-to-digital conversion module 6, so that when the voltage value of the first battery box 31 is detected to be low, the second battery box 32 is switched to continue to supply power, and the user can conveniently replace the battery of the first battery box 31; when the voltage value of the second battery box 32 is detected to be low, the first battery box 31 is switched to continue supplying power, and the user can replace the batteries of the second battery box 32 conveniently. The utility model discloses alarm device is felt to cigarette can avoid changing the in-process stop work of battery to lead to unable detection fire information, can improve alarm device's is felt to the cigarette reliability.
Optionally, as shown in fig. 2, the main board 1 further includes a programmable logic device 9, and the analog-to-digital conversion module 6 is connected to the control module 5 through the programmable logic device 9.
The programmable logic device 9(CPLD) may receive the voltage information sampled by the ADC module and monitor the voltage information. When the CPLD monitors that the voltage value of the first battery box 31 is lower than the preset value or the voltage value of the second battery box 32 is lower than the preset value, an interrupt signal is generated and reported to the control module 5, the control module 5 obtains the voltage value of the first battery box 31 and the voltage value of the second battery box 32 on the CPLD, and judges whether the voltage value of the first battery box 31 is lower than the preset value or not and whether the voltage value of the second battery box 32 is lower than the preset value or not. If the voltage value of the first battery box 31 is lower than the preset value and the first switch 7 is in the on state, the control module 5 closes the first switch 7, opens the second switch 8, switches to the second battery box 32 for power supply, gives an alarm, and prompts a user to replace the battery of the first battery box 31; if the voltage value of the second battery box 32 is lower than the preset value and the second switch 8 is in the on state, the control module 5 turns off the second switch 8, turns on the first switch 7, switches to the first battery box 31 for power supply, gives an alarm, and prompts a user to replace the battery of the first battery box 31.
In addition, an interrupt signal is actively sent to the control module 5 through the CPLD to wake up the control module 5 to switch the power supply voltage. When the interrupt signal sent by the CPLD is not received, the control module 5 can be in a dormant state and does not need to be in a working state all the time, so that the power consumption of the smoke alarm device can be reduced. The first battery box 31 may be a main circuit power supply, the second battery box 32 may be a standby circuit power supply, the main circuit power supply may be used for supplying power by default, the first switch 7 is in an on state, when the main circuit power supply is lower than a preset value, the second switch 8 is in the on state, the standby circuit power supply supplies power to cut off the main circuit power supply, and meanwhile, the control module 5 reports an alarm to prompt replacement of the first battery box 31. In the prior art, when a single-circuit battery is used as a power supply, once the battery is replaced, the smoke sensing alarm device is inevitably off-line on the system, and error alarm is easily caused. According to the embodiment, when the voltage of the main or standby power supply is abnormal, the other power supply can be automatically switched to, so that the smoke alarm device can work reliably for a long time. And when the main circuit or the standby circuit power supply is replaced, the smoke sensing alarm device cannot be off-line due to replacement of the battery because the standby power supply continues to supply power.
In this embodiment, the analog-to-digital conversion module 6 is connected with the control module 5 through the programmable logic device 9, and the voltage information acquired by the analog-to-digital conversion module 6 is processed through the programmable logic device 9, so that the data processing capability of the programmable logic device 9 is strong, the data processing precision is high, and the accuracy of power supply voltage switching control of the smoke alarm device can be improved.
Optionally, as shown in fig. 2, the analog-to-digital conversion module 6 includes a first analog-to-digital conversion (ADC) unit 61 and a second analog-to-digital conversion (ADC) unit 62, and the programmable logic device 9 is connected to the first battery box 31 through the first analog-to-digital conversion unit 61 and connected to the second battery box 32 through the second analog-to-digital conversion unit 62. The voltage acquisition is carried out through two paths of ADC units, and the circuit structure is simpler.
Optionally, as shown in fig. 2, the main board 1 further includes a wireless communication module 10, and the wireless communication module 10 is connected to a server.
The wireless communication module 10 is configured to report a voltage state and other working states of the smoke alarm device to a server, and the server performs unified management. The server can manage a plurality of smoke alarm devices, when a certain smoke alarm device needs to be replaced in a voltage pool, or when the working state of the certain smoke alarm device is abnormal, the smoke alarm device can report to the server through the wireless communication module 10, the server collects the working state of the smoke alarm device in a unified mode and conducts unified scheduling, and workers are dispatched to replace the battery box of the smoke alarm device or handle the abnormity of the smoke alarm device. The wireless communication module 10 may be a narrowband internet of things (NB-IoT) module, a 2G module, a 4G module, and the like. The wireless communication module 10 may be connected to the control module 5, or the wireless communication module 10 may be connected to the programmable logic device 9.
In this embodiment, the wireless communication module 10 is connected to the server, so that the wireless communication of the smoke alarm device can be realized, and the intelligent degree is high.
Optionally, the wireless communication module 10 is connected to the programmable logic device 9. The voltage information of the smoke alarm device is reported to the server through the programmable logic device 9, and the increase of the workload of the control module 5 is avoided.
Optionally, the wireless communication module 10 includes a narrowband internet of things module or a 2G module.
Optionally, the wireless communication module 10 is connected to the programmable logic device 9 through a universal asynchronous receiver/transmitter. A Universal Asynchronous Receiver Transmitter (UART) is used for serial communication between devices.
Optionally, the first switch 7 and the second switch 8 are both metal-oxide semiconductor field effect transistors (MOSFETs). MOSFET can work under the condition of very little electric current and very low voltage, and the volume is less moreover, is convenient for smoke and feels alarm device's miniaturization.
Optionally, the programmable logic device 9 is connected to the control module 5 through an I2C bus.
Optionally, the control module 5 includes a Micro Control Unit (MCU).
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In the description of the embodiments of the present invention, it should be understood that the terms "longitudinal," "axial," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention. In the description of the embodiments of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the embodiments of the present invention, it should be noted that the terms "mounted," "disposed," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. For example, the connection can be fixed, detachable or integrated; may be directly connected or indirectly connected through an intermediate. The fixed connection can be common technical schemes such as welding, threaded connection and clamping. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A smoke sensing alarm device is characterized by comprising a mainboard, a smoke sensing module and a battery module, wherein the smoke sensing module and the battery module are connected with the mainboard;
the direct-current power supply module is used for supplying power to the mainboard, the direct-current power supply module is connected with the first battery box through the first switch and is connected with the second battery box through the second switch, and the control module is used for controlling the first switch and the second switch to be turned on and turned off.
2. The smoke alarm device of claim 1, wherein said motherboard further comprises a programmable logic device, and said analog-to-digital conversion module is connected to said control module via said programmable logic device.
3. The smoke alarm device of claim 2, wherein the analog-to-digital conversion module comprises a first analog-to-digital conversion unit and a second analog-to-digital conversion unit, and the programmable logic device is connected to the first battery box through the first analog-to-digital conversion unit and connected to the second battery box through the second analog-to-digital conversion unit.
4. The smoke alarm device of claim 2, wherein said main board further comprises a wireless communication module, said wireless communication module being connected to a server.
5. The smoke alarm device of claim 4, wherein said wireless communication module is connected to said programmable logic device.
6. The smoke alarm device of claim 5, wherein the wireless communication module comprises a narrowband Internet of things module or a 2G module.
7. The smoke alarm device of claim 5, wherein said wireless communication module is connected to said programmable logic device via a universal asynchronous receiver transmitter.
8. The smoke detector alarm device of claim 1, wherein said first switch and said second switch are both metal-oxide-semiconductor field effect transistors.
9. The smoke detector alarm device of claim 2, wherein said programmable logic device is connected to said control module via an I2C bus.
10. The smoke detector alarm device of claim 1, wherein said control module comprises a micro-control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635073.2U CN210721768U (en) | 2019-09-27 | 2019-09-27 | Smoke alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635073.2U CN210721768U (en) | 2019-09-27 | 2019-09-27 | Smoke alarm device |
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| Publication Number | Publication Date |
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| CN210721768U true CN210721768U (en) | 2020-06-09 |
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| CN201921635073.2U Active CN210721768U (en) | 2019-09-27 | 2019-09-27 | Smoke alarm device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114376286A (en) * | 2020-10-20 | 2022-04-22 | 中移物联网有限公司 | Intelligent mask and body temperature detection method |
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2019
- 2019-09-27 CN CN201921635073.2U patent/CN210721768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114376286A (en) * | 2020-10-20 | 2022-04-22 | 中移物联网有限公司 | Intelligent mask and body temperature detection method |
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