CN103093572A - Smoke-sensing alarming circuit provided with wireless receiving and alarming method thereof - Google Patents
Smoke-sensing alarming circuit provided with wireless receiving and alarming method thereof Download PDFInfo
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- CN103093572A CN103093572A CN2011103377241A CN201110337724A CN103093572A CN 103093572 A CN103093572 A CN 103093572A CN 2011103377241 A CN2011103377241 A CN 2011103377241A CN 201110337724 A CN201110337724 A CN 201110337724A CN 103093572 A CN103093572 A CN 103093572A
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Abstract
The invention discloses a smoke-sensing alarming circuit provided with a wireless receiving. The smoke-sensing alarming circuit comprises a smoke alarm, and further comprises at least a wireless signal receiving module, a demodulation module and a wireless signal processing module, wherein the wireless signal receiving module is used for receiving wireless demodulation signals sent by a user and outputting the wireless demodulation signals to the demodulation module, the demodulation module is used for demodulating wireless demodulation signals, and the wireless signal processing module is used for processing demodulated signals and outputting the demodulated signals to the smoke alarm, and controlling the smoke alarm to enter a user selection mode. Through utilization of the wireless demodulation module and the wireless signal processing module integrated in a chip, the purpose that a user can achieve functions of button alarming, temporary silence and local smoke alarm indication and the like of the smoke alarm through a remote control is realized.
Description
Technical field
The present invention relates to a kind of smoke-sensing alarm circuit and alarm method thereof, particularly relate to a kind of smoke-sensing alarm circuit with wireless receiving and alarm method thereof.
Background technology
At present, the smoke-sensitive alarm device has been widely used in public place and family, for the protection personal safety as well as the property safety plays an important role.the functional structure chart of traditional smog alarm circuit as shown in Figure 1, this circuit comprises Smoke Detection amplifier 101, comparer 102, silent mode selection of reference frame 103, button alarm module 105, local smog alarm indicating module 106, Logic control module 107, loudspeaker driver module 108, other functional modules 109 and oscillator module 110, smoke detection signal DETECT sends into Logic control module 107 with the reference voltage of silent mode selection of reference frame 103 through comparer 102 result relatively after Smoke Detection amplifier 101 amplifies, be that smoke detection signal DETECT represents that smog is arranged during higher than reference voltage, Logic control module 107 can drive loudspeaker driver module 108 and report to the police, simultaneously, the user can connect button alarm module 105 by the TEST button and realize TEST button warning function, and connect silent mode selection of reference frame module 103 by the TEST button and be connected to the warning that Smoke Detection amplifier 101 positive input terminals realize that smog that artificial active is produced such as smoking and cooking etc. cause and carry out temporary transient mute function, press the test key after simultaneously local smog being reported to the police deixis is arranged, can allow the user know whether this smoke alarm reports to the police before.Yet generally be arranged on the top in room due to smoke alarm, the TEST button normally is integrated on smoke alarm, the user is very inconvenient to the TEST button operation of existing smoke alarm, if being guided to the user, the TEST button facilitate use place to sunken cord in advance when the house decoration, this has increased user's extra-pay simultaneously with regard to bringing difficulty for inspection and maintenance in the future.
In sum, the TEST button operation that exists of the smoke alarm of prior art is constant or for improving the constant problem that causes inspection and maintenance difficulty in the future and increase user's extra cost of TEST button operation as can be known, therefore, be necessary to propose improved technological means in fact, solve this problem.
Summary of the invention
The user is entered the ann test pattern by the TEST button or enter temporary transient silent mode or the operation such as the local smog alarm indication shortcoming of inconvenience very for overcoming prior art tradition smog alarm circuit, fundamental purpose of the present invention is to provide a kind of smoke-sensing alarm circuit with wireless receiving and alarm method thereof, it is by the receiving demodulation module of smog alarm chip internal integrated wireless signal, make the user can realize by telepilot the functions such as the button of smoke alarm is reported to the police, temporary transient quiet and local smog alarm indication having facilitated user's operation.
For reaching above-mentioned and other purpose, the invention provides a kind of smoke-sensing alarm circuit with wireless receiving, comprise a smoke alarm, this smoke-sensing alarm circuit at least also comprises:
The reception of wireless signals module is used for receiving the wireless modulated signals of user's emission, and exports demodulation module to;
Demodulation module is used for this wireless modulated signals is carried out demodulation; And
The wireless signal processing module exports this smoke alarm to after the signal after demodulation is processed, and is used for controlling this smoke alarm and makes it enter the pattern that the user selects.
Further, this wireless signal processing module all is connected with button alarm control module, the silent mode selection of reference frame module of this smoke alarm and the smog alarm indicating module of being connected, it makes this silent mode selection of reference frame module select the muting sensitivity baseline threshold so that this smoke alarm enters silent mode by the corresponding operating that receives the user, perhaps act on this button alarm control module and make this smoke alarm enter the button alarm mode, perhaps act on this this locality smog alarm indicating module and make this smoke alarm enter local smog alarm pointing-type.
Further, this reception of wireless signals module adopts infrared or bluetooth or 2.4G wireless technology
Further, this wireless receiving module is an infrared receiving diode, and this demodulation module is an infrared demodulation module.
Further, external this infrared receiving diode of an end of this smoke alarm TEST button is to receive the infrared modulation signal, the other end connects one and is used for distinguishing infrared pulse or the TEST control module of the level of this TEST button generation, and this TEST control module all is connected with this button alarm control module, this silent mode selection of reference frame module and this infrared demodulation module.
Further, external this infrared receiving diode of the I/O port of this smoke alarm is to receive the infrared modulation signal, the other end connects one and is used for distinguishing infrared pulse or the outside or inner IO control module of drawing high level, and this IO control module is connected to the Logic control module of this infrared demodulation module and this smoke alarm.
Further, this infrared receiving diode is photodiode.
For reaching above-mentioned and other purpose, the present invention also provides a kind of alarm method of the smoke-sensing alarm circuit with wireless receiving, comprises the steps:
Receive a wireless modulated signals;
This wireless modulated signals is carried out demodulation
Signal by a wireless signal processing module after to demodulation is processed; And
Export the signal after processing to a smoke alarm, make this smoke alarm enter the pattern that the user selects.
Further, receive the port of this smoke alarm of reception of wireless signals module reuse TEST button of this wireless modulated signals.
Further, receive the I/O port of this smoke alarm of reception of wireless signals module reuse of this wireless modulated signals.
compared with prior art, the present invention a kind of smoke-sensing alarm circuit and alarm method thereof with wireless receiving, by utilizing chip internal integrated wireless demodulation module and wireless signal processing module, reached and made the user can realize by telepilot the button warning of smoke alarm, the purpose of the functions such as temporary transient quiet and local smog alarm indication, the present invention simultaneously also has strong interference immunity, the advantages such as long transmission distance, and the multiplexing port of original smog alarm circuit, need not change the encapsulation of original circuit, the user only needs to control smoke alarm by telepilot, the user is controlled convenient.。
Description of drawings
Fig. 1 is traditional smog alarm circuit functional block diagram;
Fig. 2 is the structured flowchart of the smoke-sensing alarm circuit of band wireless receiving of the present invention;
Fig. 3 is the detailed circuit schematic of smoke-sensing alarm circuit of the band wireless receiving of the present invention of corresponding diagram 2;
Fig. 4 is the present invention's the circuit function block diagram with sense cigarette circuit first preferred embodiment of wireless receiving;
Fig. 5 is the present invention's the circuit function block diagram with sense cigarette circuit second preferred embodiment of wireless receiving;
Fig. 6 is the process flow diagram of the alarm method of a kind of smoke-sensing alarm circuit with wireless receiving of the present invention.
Embodiment
Below by specific instantiation and accompanying drawings embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by content disclosed in the present specification.The present invention also can be implemented or be used by other different instantiation, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under spirit of the present invention not deviating from.
Fig. 2 is the structured flowchart of the smoke-sensing alarm circuit of band wireless receiving of the present invention.As shown in Figure 2, the present invention's smoke-sensing alarm circuit comprises at least: reception of wireless signals module 201, demodulation module 202, wireless signal processing module 203 and smoke alarm 204.Wherein, reception of wireless signals module 201 can be the wireless technologys such as infrared, the bluetooth, 2.4G of present main flow, it is used for receiving the wireless modulated signals of user's emission, export the signal that receives to demodulation module 202 and carry out demodulation, and export the signal after demodulation to wireless signal processing module 203 and process, signal after wireless signal processing module 203 is processed exports smoke alarm 204 to again and is used for controlling smoke alarm 204, makes smoke alarm 204 enter the pattern that the user selects.
Fig. 3 is the detailed circuit schematic of smoke-sensing alarm circuit of the band wireless receiving of the present invention of corresponding diagram 2.as shown in Figure 3, smoke alarm 204 comprises the Smoke Detection amplifier, comparer, silent mode selection of reference frame module, the button alarm module, local smog alarm indicating module, Logic control module, the loudspeaker driver module, other functional modules and oscillator module, because smoke alarm 204 is identical with the smoke alarm structure of prior art, this not with give unnecessary details, wireless signal processing module 203 connects the button alarm control module, silent mode selection of reference frame module and local smog alarm indicating module, by receiving user's corresponding operating, select the muting sensitivity baseline threshold by silent mode selection of reference frame module, make alarm enter silent mode, perhaps act on the button alarm control module, make smoke alarm enter the button alarm mode, perhaps act on local smog alarm indicating module, make smoke alarm enter local smog alarm pointing-type, do not affect simultaneously the function of traditional smoke alarm TEST button.
Brought forward is described, it can be the wireless technology such as infrared, bluetooth, 2.4G of present main flow due to the wireless receiving technology of the present invention's employing, following specific embodiment is that the present invention is according to the scheme of the inner integrated infrared receiving circuits of two kinds of smoke-sensing alarm circuits of the situation proposition of multiplexed port, the ports having of multiplexing smoke alarm 204 can not change the encapsulation of chip, only need to connect an infrared receiving diode at multiplexing port during peripheral applications, the user can control the present invention's smoke-sensitive alarm device easily easily by the infrared emission telepilot.
Fig. 4 is the present invention's the circuit function block diagram with sense cigarette circuit first preferred embodiment of wireless receiving.in the present invention's the first preferred embodiment, a kind of smoke-sensing alarm circuit with infrared reception of multiplexing TEST button mainly is provided, wherein reception of wireless signals module 201 is an infrared receiving diode, demodulation module 202 is an infrared demodulation module, its basic thinking is to utilize infrared demodulation module that the carier restoration of the certain frequency of telepilot emission is become specific coding, can realize for different codings the function that smoke-sensing alarm circuit is different, and only need one to receive infrared carrier wave input port and a coding output port for infrared receiving circuit independently, therefore only need a multiplexing port, receive the user by the carrier wave of remote-transmitter silent mode by the external infrared receiving diode of TEST port, output to silent mode selection of reference frame module after utilizing infrared demodulation module that signal is processed, choosing connects the baseline threshold than muting sensitivity, circuit enters silent mode, the user outputs to the button alarm module by the carrier wave of remote-transmitter button alarm mode after by infrared demodulation module, signal being processed, and enters the button alarm mode by Logic control module, the user outputs to local smog alarm indicating module by the carrier wave of the local smog alarm pointing-type of remote-transmitter after by infrared demodulation module, signal being processed, and enters local smog alarm pointing-type by Logic control module.
specifically, external this photodiode of TEST button one end, to receive the infrared modulation signal, the other end is connected to a TEST control module 205, TEST control module 205 is used for distinguishing infrared pulse or the level of TEST button generation, TEST control module 205 is connected to the button alarm control module, silent mode selection of reference frame module and infrared demodulation module, the carrier signal (infrared value signal) of telepilot emission receives by demodulation module 202 (infrared demodulation module) by photodiode, make the present invention's smoke-sensing alarm circuit enter silent mode or button alarm mode after 203 decodings of wireless signal processing module.
Fig. 5 is the present invention's the circuit function block diagram with sense cigarette circuit second preferred embodiment of wireless receiving.A kind of smoke-sensing alarm circuit with infrared reception of multiplexing IO port mainly is provided, equally in the present invention's the second preferred embodiment, reception of wireless signals module 201 is a photodiode, demodulation module 202 is an infrared demodulation module, its basic thinking is at the external photodiode of the IO of smoke-sensing alarm circuit port, the user is received by the carrier signal of remote-transmitter, and the signal of reception is selected corresponding pattern after by infrared demodulation module and wireless signal processing module.If output to silent mode selection of reference frame module after the user by the carrier wave of remote-transmitter silent mode, processes signal by infrared demodulation module, can be to the chimes of doom shielding of artificial generation smog; If output to the button alarm control module after the user by the carrier wave of remote-transmitter button alarm mode, processes signal by infrared demodulation module, make circuit enter the ann test pattern; If the user is by the carrier wave of the local smog alarm pointing-type of remote-transmitter, output to local smog alarm indicating module after by infrared demodulation module, signal being processed, enter local smog alarm pointing-type by Logic control module, and the IO port is a bidirectional interface, can also control other smoke alarm that is connected with IO simultaneously by corresponding coding and enter corresponding pattern.
Specifically, the IO port is connected to an IO control module 206, and it is that the IO level is drawn high in infrared pulse or outside or inside that IO control module 206 is used for distinguishing, and the IO control module is connected to infrared demodulation module 202 and Logic control module.Infrared demodulation module 202 is connected to wireless signal processing module 203, wireless signal processing module 203 is connected to button alarm control module, silent mode selection of reference frame module and local smog alarm indicating module, simultaneously, the external photodiode of IO port, the carrier signal of telepilot emission receives by photodiode and acts on button alarm control module or silent mode selection of reference frame module or local smog alarm indicating module through demodulation, signal after processing,, make circuit enter silent mode or button alarm mode or local smog alarm pointing-type.
Fig. 6 is the process flow diagram of the alarm method of a kind of smoke-sensing alarm circuit with wireless receiving of the present invention.As shown in Figure 6, the alarm method of a kind of smoke-sensing alarm circuit with wireless receiving of the present invention comprises the steps:
Step 601: receive a wireless modulated signals;
Step 602: this wireless modulated signals is carried out demodulation;
Step 603: the signal by a wireless signal processing module after to demodulation is processed; And
Step 604: the signal after processing exports smoke alarm to, makes smoke alarm enter the pattern that the user selects.
Better, receive the port of this smoke alarm of reception of wireless signals module reuse TEST button of this wireless modulated signals or the I/O port of multiplexing this smoke alarm.
specifically, in preferred embodiment of the present invention, signal after the wireless signal processing module is processed exports the button alarm control module of smoke alarm to, silent mode selection of reference frame module and local smog alarm indicating module, by receiving the corresponding operating of the signal after the wireless signal processing module is processed, select the muting sensitivity baseline threshold, make smoke alarm enter silent mode, perhaps act on the button alarm control module, make smoke alarm enter the button alarm mode, perhaps act on local smog alarm indicating module, make smoke alarm enter local smog alarm pointing-type, do not affect simultaneously the function of traditional smoke alarm TEST button.
It should be noted that at this, wireless modulated signals can be to utilize the wireless technologys such as infrared, the bluetooth of present main flow, 2.4G to launch by telepilot, and the present invention does not do concrete restriction.
As seen, the present invention a kind of smoke-sensing alarm circuit and alarm method thereof with wireless receiving, its by inner integrated wireless receiver module and wireless signal processing module, utilize that wireless technology realizes distant control function, signal function after processing is realized the function of TEST button in button alarm module, silent mode selection of reference frame module and local smog alarm indicating module, make the user can control easily the smoke-sensitive alarm device, simultaneously, utilize wireless technology can realize two-way propagation, have the advantages such as strong interference immunity, long transmission distance; In addition, the invention allows for two kinds of implementations, a kind of is to realize integrated infrared receiving circuit by multiplexing TEST port, and the second is to realize integrated infrared receiving circuit by multiplexing IO port.The user only need to connect an infrared receiving diode at peripheral port, just can make smoke alarm enter corresponding pattern by telepilot.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any those skilled in the art all can under spirit of the present invention and category, modify and change above-described embodiment.Therefore, the scope of the present invention should be as listed in claims.
Claims (10)
1. the smoke-sensing alarm circuit with wireless receiving, comprise a smoke alarm, it is characterized in that, this smoke-sensing alarm circuit at least also comprises:
The reception of wireless signals module is used for receiving the wireless modulated signals of user's emission, and exports demodulation module to;
Demodulation module is used for this wireless modulated signals is carried out demodulation; And
The wireless signal processing module exports this smoke alarm to after the signal after demodulation is processed, and is used for controlling this smoke alarm and makes it enter the pattern that the user selects.
2. the smoke-sensing alarm circuit with wireless receiving as claimed in claim 1, it is characterized in that: the button alarm control module of this wireless signal processing module and this smoke alarm, silent mode selection of reference frame module be connected the smog alarm indicating module and all connect, it makes this silent mode selection of reference frame module select the muting sensitivity baseline threshold so that this smoke alarm enters silent mode by the corresponding operating that receives the user, perhaps acting on this button alarm control module makes this smoke alarm enter the button alarm mode, perhaps acting on this this locality smog alarm indicating module makes this smoke alarm enter local smog alarm pointing-type.
3. the smoke-sensing alarm circuit with wireless receiving as claimed in claim 2, is characterized in that: this reception of wireless signals module employing infrared or bluetooth or 2.4G wireless technology
4. the smoke-sensing alarm circuit with wireless receiving as claimed in claim 3, it is characterized in that: this wireless receiving module is an infrared receiving diode, this demodulation module is an infrared demodulation module.
5. the smoke-sensing alarm circuit with wireless receiving as claimed in claim 4, it is characterized in that: external this infrared receiving diode of an end of this smoke alarm TEST button is to receive the infrared modulation signal, the other end connects one and is used for distinguishing infrared pulse or the TEST control module of the level of this TEST button generation, and this TEST control module all is connected with this button alarm control module, this silent mode selection of reference frame module and this infrared demodulation module.
6. the smoke-sensing alarm circuit with wireless receiving as claimed in claim 4, it is characterized in that: external this infrared receiving diode of the I/O port of this smoke alarm is to receive the infrared modulation signal, the other end connects one and is used for distinguishing infrared pulse or the outside or inner IO control module of drawing high level, and this IO control module is connected to the Logic control module of this infrared demodulation module and this smoke alarm.
7. the smoke-sensing alarm circuit with wireless receiving as described in claim 5 or 6, it is characterized in that: this infrared receiving diode is photodiode.
8. the alarm method with the smoke-sensing alarm circuit of wireless receiving, comprise the steps:
Receive a wireless modulated signals;
This wireless modulated signals is carried out demodulation
Signal by a wireless signal processing module after to demodulation is processed; And
Export the signal after processing to a smoke alarm, make this smoke alarm enter the pattern that the user selects.
9. the alarm method of the smoke-sensing alarm circuit with wireless receiving as claimed in claim 8, is characterized in that: the port that receives this smoke alarm of reception of wireless signals module reuse TEST button of this wireless modulated signals.
10. the alarm method of the smoke-sensing alarm circuit with wireless receiving as claimed in claim 8, is characterized in that: the I/O port that receives this smoke alarm of reception of wireless signals module reuse of this wireless modulated signals.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103377241A CN103093572A (en) | 2011-10-31 | 2011-10-31 | Smoke-sensing alarming circuit provided with wireless receiving and alarming method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103377241A CN103093572A (en) | 2011-10-31 | 2011-10-31 | Smoke-sensing alarming circuit provided with wireless receiving and alarming method thereof |
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| CN103093572A true CN103093572A (en) | 2013-05-08 |
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| CN2011103377241A Pending CN103093572A (en) | 2011-10-31 | 2011-10-31 | Smoke-sensing alarming circuit provided with wireless receiving and alarming method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105046864A (en) * | 2015-07-06 | 2015-11-11 | 苏州合欣美电子科技有限公司 | Smog detection apparatus based on wireless control |
| CN111862498A (en) * | 2015-05-20 | 2020-10-30 | 谷歌有限责任公司 | User interface for event prioritization and hazard detection in smart home environment |
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| CN111862498A (en) * | 2015-05-20 | 2020-10-30 | 谷歌有限责任公司 | User interface for event prioritization and hazard detection in smart home environment |
| CN111862498B (en) * | 2015-05-20 | 2022-03-25 | 谷歌有限责任公司 | User interface for event prioritization and hazard detection in smart home environment |
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Application publication date: 20130508 |