CN202257835U - Smoke-sensing alarm circuit with wireless reception - Google Patents
Smoke-sensing alarm circuit with wireless reception Download PDFInfo
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- CN202257835U CN202257835U CN2011204242815U CN201120424281U CN202257835U CN 202257835 U CN202257835 U CN 202257835U CN 2011204242815 U CN2011204242815 U CN 2011204242815U CN 201120424281 U CN201120424281 U CN 201120424281U CN 202257835 U CN202257835 U CN 202257835U
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Abstract
The utility model discloses a smoke-sensing alarm circuit with wireless reception, which comprises a smoke alarm, a wireless signal receiving module, a demodulation module and a wireless signal processing module, wherein the wireless signal receiving module is used for receiving a wires modulation signal sent by a user and outputting the wireless modulation signal to the demodulation module; the demodulation module is used for demodulating the wireless modulation signal; and the wireless signal processing module is used for processing the demodulated signal and outputting the demodulated signal to the smoke alarm, and the demodulated signal is used for controlling the smoke alarm to enter a mode selected by the user. According to the utility model, the purposes of realizing the functions of key alarm, temporary silence, local smoke alarm indication and the like of the smoke alarm are achieved by a remote controller by utilizing the wireless demodulation module and the wireless signal processing module which are integrated inside the chip.
Description
Technical field
The utility model relates to a kind of smoke-sensitive alarm circuit, particularly relates to a kind of smoke-sensitive alarm circuit with wireless receiving.
Background technology
At present, the smoke-sensitive alarm device has been widely used in public place and the 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 is as shown in Figure 1; This circuit comprises Smoke Detection amplifier 101, comparer 102, silent mode benchmark selection 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 benchmark selection 103 through comparer 102 result relatively after Smoke Detection amplifier 101 amplifies; Be that smoke detection signal DETECT representes that smog is arranged when being 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 through the TEST button and realize TEST button warning function; And connect the silent mode benchmark through the TEST button and select module 103 to be connected to the warning that smog that Smoke Detection amplifier 101 positive input terminals realize artificial active is produced such as smoking and cooking etc. cause to carry out temporary transient mute function; By the test key deixis is arranged after simultaneously local smog being reported to the police, can let the user know whether this smoke alarm reports to the police before.Yet because smoke alarm generally is installed in the top in room; The TEST button normally is integrated on the smoke alarm; The user is to the very inconvenience of TEST button operation of existing smoke alarm; Make things convenient for use place to sunken cord in advance when the house decoration if guide to the user to the TEST button, this brings difficulty just in the future maintenance and maintenance, has increased user's extra-pay simultaneously.
In sum; Can know TEST button operation that the smoke alarm of prior art exists constant or for improving the TEST button operation is constant to cause in the future maintenance and difficult in maintenance and increase the problem of user's extra cost; Therefore, be necessary to propose improved technological means in fact, solve this problem.
The utility model content
The user is got into the ann test pattern by the TEST button or get into temporary transient silent mode or operation such as the local smog alarm indication shortcoming of inconvenience very for overcoming prior art tradition smog warning circuit; The fundamental purpose of the utility model is to provide a kind of smoke-sensitive alarm circuit with wireless receiving; It is through the receiving demodulation module of smog alarm chip internal integrated wireless signal; Make the user can realize through telepilot functions such as the button of smoke alarm is reported to the police, temporary transient quiet and local smog alarm indication having made things convenient for user's operation.
For reaching above-mentioned and other purpose, the utility model provides a kind of smoke-sensitive alarm circuit with wireless receiving, comprises a smoke alarm, and this smoke-sensitive alarm circuit at least also comprises:
The wireless signal receiver module is used to receive 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 the demodulation handled, and is used to control this smoke alarm and makes it get into the pattern that user selects.
Further; This wireless signal processing module selects module all to be connected with local smog alarm indicating module with button alarm control module, the silent mode benchmark of this smoke alarm; It makes this silent mode benchmark select module to select the muting sensitivity baseline threshold so that this smoke alarm gets into silent mode through the corresponding operating that receives the user; Perhaps act on this button alarm control module and make this smoke alarm get into the button alarm mode, perhaps act on this this locality smog alarm indicating module and make this smoke alarm get into local smog alarm pointing-type.
Further, this wireless signal receiver 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 the infrared pulse or the TEST control module of the level of this TEST button generation, and this TEST control module selects module and this infrared demodulation module all to be connected with this button alarm control module, this silent mode benchmark.
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 outside or the 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 a photodiode.
Compared with prior art; A kind of smoke-sensitive alarm circuit with wireless receiving of the utility model is through utilizing chip internal integrated wireless demodulation module and wireless signal processing module, reached the purpose that makes the user can realize functions such as the button of smoke alarm is reported to the police, temporary transient quiet and local smog alarm indication through telepilot; The utility model also has strong interference immunity simultaneously; 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 through telepilot, and it is convenient that the user is controlled.
Description of drawings
Fig. 1 is traditional smog alarm circuit function block diagram;
Fig. 2 is the structured flowchart of the smoke-sensitive alarm circuit of the utility model band wireless receiving;
Fig. 3 is the detailed circuit schematic of smoke-sensitive alarm circuit of the utility model band wireless receiving of corresponding diagram 2;
Fig. 4 is the circuit function block diagram of sense cigarette circuit first preferred embodiment of the band wireless receiving of the utility model;
Fig. 5 is the circuit function block diagram of sense cigarette circuit second preferred embodiment of the band wireless receiving of the utility model;
Fig. 6 is the process flow diagram of the alarm method of a kind of smoke-sensitive alarm circuit with wireless receiving of the utility model.
Embodiment
Below through the embodiment of specific instantiation and accompanying drawings the utility model, those skilled in the art can be understood other advantage and the effect of the utility model easily by the content that this instructions disclosed.The utility model also can be implemented or use through other different instantiation, and each item details in this instructions also can be carried out various modifications and change based on different viewpoints and application under the spirit that does not deviate from the utility model.
Fig. 2 is the structured flowchart of the smoke-sensitive alarm circuit of the utility model band wireless receiving.As shown in Figure 2, the smoke-sensitive alarm circuit of the utility model comprises at least: wireless signal receiver module 201, demodulation module 202, wireless signal processing module 203 and smoke alarm 204.Wherein, Wireless signal receiver module 201 can be wireless technologys such as infrared, the bluetooth, 2.4G of present main flow; The wireless modulated signals that it is used to receive user's emission exports the signal that receives to demodulation module 202 and carries out demodulation, and exports the signal after the demodulation to wireless signal processing module 203 and handle; Signal after wireless signal processing module 203 is handled exports smoke alarm 204 again to and is used to control smoke alarm 204, makes smoke alarm 204 get into the pattern that the user selects.
Fig. 3 is the detailed circuit schematic of smoke-sensitive alarm circuit of the utility model band wireless receiving of corresponding diagram 2.As shown in Figure 3; Smoke alarm 204 comprises Smoke Detection amplifier, comparer, silent mode benchmark selection module, button alarm module, local smog alarm indicating module, Logic control module, 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 button alarm control modules, silent mode benchmark selection module and local smog alarm indicating module; Through receiving user's corresponding operating; Select module to select the muting sensitivity baseline threshold through the silent mode benchmark, make alarm get into silent mode, perhaps act on the button alarm control module; Make smoke alarm get into the button alarm mode; Perhaps act on local smog alarm indicating module, make smoke alarm get into local smog alarm pointing-type, do not influence the function of traditional smoke alarm TEST button simultaneously.
Brought forward is said; Because the wireless receiving technology of the utility model employing can be wireless technologys such as infrared, the bluetooth, 2.4G of present main flow; Following specific embodiment is the scheme of the utility model according to two kinds of integrated infrared receiving circuits of smoke-sensitive alarm inside circuit of the situation proposition of multiplexed port; The ports having of multiplexing smoke alarm 204 can not change the encapsulation of chip; Only need connect an infrared receiving diode at multiplexing port during peripheral applications, the user can control the smoke-sensitive alarm device of the utility model easily easily through the infrared emission telepilot.
Fig. 4 is the circuit function block diagram of sense cigarette circuit first preferred embodiment of the band wireless receiving of the utility model.In the utility model first preferred embodiment; A kind of smoke-sensitive alarm circuit with infrared reception of multiplexing TEST button mainly is provided; Wherein wireless signal receiver module 201 is an infrared receiving diode; Demodulation module 202 is an infrared demodulation module, and its basic thinking is to utilize infrared demodulation module to become specific coding to the carier restoration of the certain frequency of telepilot emission, can realize smoke-sensitive alarm circuit different functions for different coding; 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 carrier wave of user, output to the silent mode benchmark after utilizing infrared demodulation module with signal Processing to select module through the remote-control transmitting silent mode through the external infrared receiving diode of TEST port; Choosing connects the baseline threshold than muting sensitivity, and then circuit gets into silent mode; The carrier wave of user through remote-control transmitting button alarm mode outputs to the button alarm module through infrared demodulation module after with signal Processing, gets into the button alarm mode through Logic control module; The user is through the carrier wave of the local smog alarm pointing-type of remote-control transmitting, outputs to local smog alarm indicating module through infrared demodulation module after with signal Processing, gets into local smog alarm pointing-type through 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 the level that infrared pulse or TEST button produce, and TEST control module 205 is connected to the button alarm control module, the silent mode benchmark is selected module and infrared demodulation module, and the carrier signal (infrared value signal) of telepilot emission receives through photodiode after make the smoke-sensitive alarm circuit entering silent mode or the button alarm mode of the utility model behind the demodulation module 202 (infrared demodulation module), 203 decodings of wireless signal processing module.
Fig. 5 is the circuit function block diagram of sense cigarette circuit second preferred embodiment of the band wireless receiving of the utility model.A kind of smoke-sensitive alarm circuit with infrared reception of multiplexing IO port mainly is provided; Equally in the utility model second preferred embodiment; Wireless signal receiver module 201 is a photodiode, and demodulation module 202 is an infrared demodulation module, and its basic thinking is at the external photodiode of the IO of smoke-sensitive alarm circuit port; The user is received through the carrier signal of remote-control transmitting, and the signal of reception is selected corresponding pattern after through infrared demodulation module and wireless signal processing module.If the carrier wave of user through the remote-control transmitting silent mode outputs to the silent mode benchmark through infrared demodulation module after with signal Processing and selects module, can be to the chimes of doom shielding of artificial generation smog; If the carrier wave of user through remote-control transmitting button alarm mode outputs to the button alarm control module through infrared demodulation module after with signal Processing, make circuit get into the ann test pattern; If the user is through the carrier wave of the local smog alarm pointing-type of remote-control transmitting; Output to local smog alarm indicating module through infrared demodulation module after with signal Processing; Get into local smog alarm pointing-type through Logic control module; And the IO port is a bidirectional interface, can also control other smoke alarm that links to each other with IO simultaneously through respective coding and get into 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 the button alarm control module, the silent mode benchmark is selected module and local smog alarm indicating module; Simultaneously; The external photodiode of IO port; The carrier signal of telepilot emission receives and after demodulation, signal Processing, act on the button alarm control module through photodiode or the silent mode benchmark is selected module or local smog alarm indicating module,, make circuit get into 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-sensitive alarm circuit with wireless receiving of the utility model.As shown in Figure 6, the alarm method of a kind of smoke-sensitive alarm circuit with wireless receiving of the utility model comprises the steps:
Step 601: receive a wireless modulated signals;
Step 602: this wireless modulated signals is carried out demodulation;
Step 603: handle through the signal of a wireless signal processing module after to demodulation; And
Step 604: the signal after will handling exports smoke alarm to, makes smoke alarm get into the pattern that the user selects.
Preferable, receive port or the I/O port of multiplexing this smoke alarm of multiplexing this smoke alarm of wireless signal receiver module TEST button of this wireless modulated signals.
Specifically; In the utility model preferred embodiment; Signal after the wireless signal processing module is handled exports button alarm control module, the silent mode benchmark of smoke alarm to and selects module and local smog alarm indicating module, through receiving the corresponding operating of the signal after the wireless signal processing module is handled, selects the muting sensitivity baseline threshold; Make smoke alarm get into silent mode; Perhaps act on the button alarm control module, make smoke alarm get into the button alarm mode, perhaps act on local smog alarm indicating module; Make smoke alarm get into local smog alarm pointing-type, do not influence the function of traditional smoke alarm TEST button simultaneously.
What this need explain be, wireless modulated signals can be to utilize wireless technologys such as infrared, the bluetooth of present main flow, 2.4G through the telepilot emission, and the utility model is not done concrete restriction.
It is thus clear that; A kind of smoke-sensitive alarm circuit of the utility model with wireless receiving; Its through inner integrated wireless receiver module and wireless signal processing module, utilize wireless technology to realize distant control function, signal after handling acts on the button alarm module, the silent mode benchmark selects module and local smog alarm indicating module to realize the function of TEST button; Make user's sense of control cigarette warning device easily; Simultaneously, utilize wireless technology can realize two-way propagation, have advantages such as strong interference immunity, long transmission distance; In addition, the utility model has also proposed two kinds of implementations, and a kind of is to realize integrated infrared receiving circuit through multiplexing TEST port, and second kind is to realize integrated infrared receiving circuit through multiplexing IO port.The user only need connect an infrared receiving diode at peripheral port, just can make smoke alarm get into corresponding pattern through telepilot.
The foregoing description is the principle and the effect thereof of illustrative the utility model only, but not is used to limit the utility model.Any those skilled in the art all can be under the spirit and category of the utility model, and the foregoing description is modified and changed.Therefore, the rights protection scope of the utility model should be listed like claims.
Claims (7)
1. the smoke-sensitive alarm circuit with wireless receiving comprises a smoke alarm, it is characterized in that, this smoke-sensitive alarm circuit at least also comprises:
The wireless signal receiver module is used to receive 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 the demodulation handled, and is used to control this smoke alarm and makes it get into the pattern that user selects.
2. the smoke-sensitive alarm circuit of band wireless receiving as claimed in claim 1; It is characterized in that: this wireless signal processing module selects module all to be connected with local smog alarm indicating module with button alarm control module, the silent mode benchmark of this smoke alarm; It makes this silent mode benchmark select module to select the muting sensitivity baseline threshold so that this smoke alarm gets into silent mode through the corresponding operating that receives the user; Perhaps act on this button alarm control module and make this smoke alarm get into the button alarm mode, perhaps act on this this locality smog alarm indicating module and make this smoke alarm get into local smog alarm pointing-type.
3. the smoke-sensitive alarm circuit of band wireless receiving as claimed in claim 2 is characterized in that: this wireless signal receiver module adopts infrared or bluetooth or 2.4G wireless technology.
4. the smoke-sensitive alarm circuit of band wireless receiving as claimed in claim 3 is characterized in that: this wireless receiving module is an infrared receiving diode, and this demodulation module is an infrared demodulation module.
5. the smoke-sensitive alarm circuit of band 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 the infrared pulse or the TEST control module of the level of this TEST button generation, and this TEST control module selects module and this infrared demodulation module all to be connected with this button alarm control module, this silent mode benchmark.
6. the smoke-sensitive alarm circuit of band 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 outside or the 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. like the smoke-sensitive alarm circuit of claim 5 or 6 described band wireless receivings, it is characterized in that: this infrared receiving diode is a photodiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204242815U CN202257835U (en) | 2011-10-31 | 2011-10-31 | Smoke-sensing alarm circuit with wireless reception |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204242815U CN202257835U (en) | 2011-10-31 | 2011-10-31 | Smoke-sensing alarm circuit with wireless reception |
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| Publication Number | Publication Date |
|---|---|
| CN202257835U true CN202257835U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204242815U Expired - Lifetime CN202257835U (en) | 2011-10-31 | 2011-10-31 | Smoke-sensing alarm circuit with wireless reception |
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| CN (1) | CN202257835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093572A (en) * | 2011-10-31 | 2013-05-08 | 无锡华润矽科微电子有限公司 | Smoke-sensing alarming circuit provided with wireless receiving and alarming method thereof |
| CN108288346A (en) * | 2018-01-23 | 2018-07-17 | 上海贝岭股份有限公司 | Smoke alarm |
-
2011
- 2011-10-31 CN CN2011204242815U patent/CN202257835U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093572A (en) * | 2011-10-31 | 2013-05-08 | 无锡华润矽科微电子有限公司 | Smoke-sensing alarming circuit provided with wireless receiving and alarming method thereof |
| CN108288346A (en) * | 2018-01-23 | 2018-07-17 | 上海贝岭股份有限公司 | Smoke alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214135 -6, Linghu Avenue, Wuxi Taihu international science and Technology Park, Wuxi, Jiangsu, China, 180 Patentee after: China Resources micro integrated circuit (Wuxi) Co., Ltd Address before: No.180-22, Linghu Avenue, Wuxi, Jiangsu 214000 Patentee before: WUXI CHINA RESOURCES SEMICO Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
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| CX01 | Expiry of patent term |