CN101696820B - Gas heater with functions of wireless remote control and automatic monitoring of harmful gas - Google Patents
Gas heater with functions of wireless remote control and automatic monitoring of harmful gas Download PDFInfo
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- CN101696820B CN101696820B CN200910183344XA CN200910183344A CN101696820B CN 101696820 B CN101696820 B CN 101696820B CN 200910183344X A CN200910183344X A CN 200910183344XA CN 200910183344 A CN200910183344 A CN 200910183344A CN 101696820 B CN101696820 B CN 101696820B
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Abstract
The invention relates to a gas heater with functions of wireless remote control and automatic monitoring of harmful gas, which comprises a gas heater mainframe; a master control board of the gas heater mainframe is provided with a communication interface; the gas heater mainframe is connected with a connection module through the communication interface; and the gas heater mainframe is communicated with a wireless remote controller and a gas alarm through the connection module. The gas heater has the advantages that: the gas heater is externally connected with the connection module, so the gas heater can communicate with the wireless remote controller and the gas alarm simultaneously; the wireless remote controller can send instructions to the gas heater to control the running state of the heater; and the gas alarm can feed back the content of indoor gas leakage and carbon monoxide detected to the master control board of the heater, and automatically alarms, cuts off gas supply of the heater, and starts a fan of the heater for high-speed sweeping to discharge the harmful gas outdoors as possible once the concentration of the harmful gas is overhigh.
Description
Technical field
The present invention relates to a kind of intelligent gas water heater, especially a kind of gas heater with wireless remote control and harmful gas automatic monitoring function.
Background technology
The installation of gas heater in the market generally all has a segment distance with the bathroom, finds that when user's bathing temperature is improper, very difficult running temperature of regulating water heater again, and Given this much human is deeply hurt, and accidentally is easy to skin scald during shower.Though occurred remote controller in the market, be wire remote control devices mostly, Digiplex is seldom.When wire remote control devices is installed, earlier remote controller is fixed on the wall in bathroom, need just can connects line and receive on the water heater mainboard the wall threading of punchinging then.So not only influence the attractive in appearance of domestic environment, but also have certain hidden danger property, even remote controller also can produce interference effect to the display of water heater fuselage sometimes.And general Digiplex is to send the interconnecting module that signal is given water heater mostly, realizes the control of remote controller to water heater.This modular converter, function singleness only plays the linkage function between Digiplex and the water heater, can't accomplish multifunction.
For pernicious gas and gas heater interlock monitoring function; The method that Chinese invention patent 200610097939.X " gas heater and alarming method by monitoring with monitoring harmful gases warning function " proposes is that the gas alarm device is directly linked to each other with gas heater; When indoor fuel gas leakage or CO excessive concentration; Only play the warning effect, do not have pernicious gas is discharged to outdoor function, can not protect consumer's personal safety up hill and dale; And the method function singleness, do not have modular design concept, more do not have the wireless remote control function.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art; A kind of gas heater with wireless remote control and harmful gas automatic monitoring function is provided; With wireless remote control technology with to the monitoring technique of pernicious gas; Be introduced in the gas heater, further strengthen convenience and security that household gas apparatus uses.
According to technical scheme provided by the invention, the gas heater with wireless remote control and harmful gas automatic monitoring function comprises the gas heater main frame, also comprises link block, Digiplex and fuel gas alarm; On the master control borad of gas heater main frame, communication interface is set, connects link block through communication interface; Said link block comprises the RF receiver module that is connected with a MCU, ISP, memory cell, the communication module and the power module that are connected with the master control borad of gas heater main frame; Said Digiplex comprises a RF transmitter module, display screen, first keyboard input module and the power module that the 2nd MCU connects; Said fuel gas alarm comprises the 2nd RF transmitter module, second keyboard input module, sound and light alarm display module, CO sensor and the power module that the 3rd MCU connects; A said RF transmitter module, the 2nd RF transmitter module and RF receiver module are complementary.
The power module of said Digiplex adopts powered battery.
Said link block is fixed on the base plate of gas heater main frame.
The 3rd MCU of said fuel gas alarm also is connected with CH
4Sensor.
Said fuel gas alarm is directly installed on the family expenses electrical box, or independently is installed on the metope, is connected power supply with supply socket through the plug of being with power line.
Said link block, Digiplex and fuel gas alarm all have a unique ID coding, and a link block can only be carried out communication with a Digiplex, a fuel gas alarm simultaneously, and ability communication after the successful matching of ID coding; The ID coding of Digiplex and fuel gas alarm has different address, and does not disturb mutually.
After said link block and the successful matching of a Digiplex ID coding, just can't carry out the pairing of ID coding with other Digiplexs again, only if the ID that forces link block release to match through artificial pattern encodes; After said link block and the successful matching of a fuel gas alarm ID coding, just can't carry out the pairing of ID coding with other fuel gas alarms again, only if the ID that forces link block release to match through artificial pattern encodes.
After said water heater main frame is received the alarm signal of fuel gas alarm,, then start the blower fan running, pernicious gas is discharged to outdoor, respond the warning system on the water heater host panel display simultaneously if the gas valve of water heater main frame is in closed condition; If the water heater main frame producing hot water, then close gas valve rapidly, cut off the fuel gas supply of water heater main frame, but blower fan keeps operating condition, pernicious gas is discharged to outdoor, respond the warning system on the water heater host panel display simultaneously.
The 3rd MCU of said fuel gas alarm detects the sensor that is attached thereto when breaking down, and the sound and light alarm display module sends the fault alarm indication, and fuel gas alarm does not send fault-signal or alarm signal to the water heater main frame.
Advantage of the present invention is: through the external link block of gas heater, can realize the communication between gas heater and Digiplex and the fuel gas alarm simultaneously; Digiplex can send instruction to gas heater and control the water heater operation conditions; Fuel gas alarm also can feed back to water heater master control substrate with indoor fuel gas leakage rate that detects and CO content; In case harmful gas concentration is too high; Just the automatic gas supply of reporting to the police and cutting off water heater; And the blower fan that starts water heater carries out the high velocity sweep function, as much as possible pernicious gas is discharged to outdoor.
Description of drawings
Fig. 1 is a general structure sketch map of the present invention.
Fig. 2 is the circuit block diagram of link block.
Fig. 3 is the circuit block diagram of Digiplex.
Fig. 4 is the circuit block diagram of fuel gas alarm.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
As shown in Figure 1: the present invention is provided with communication interface on the master control borad of gas heater main frame 1; Connect link block 2 through communication interface; Through to gas heater main frame 1 an external link block 2, promptly link block is carried out communication with wired mode and water heater master control borad.Realize water heater wireless remote control functions synchronously and to the monitoring function of pernicious gas through link block 2.Link block 2 is carried out communication with wireless mode and Digiplex 3, fuel gas alarm 4.
As shown in Figure 2, said link block 2 comprises the RF receiver module that is connected with a MCU, ISP (online programming device), memory cell, the communication module and the power module that are connected with the master control borad of gas heater main frame 1.
As shown in Figure 3, said Digiplex 3 comprises a RF transmitter module, display screen, first keyboard input module and the power module that the 2nd MCU connects.
As shown in Figure 4, said fuel gas alarm 4 comprises the 2nd RF transmitter module, second keyboard input module, sound and light alarm display module, CO sensor and the power module that the 3rd MCU connects.
Digiplex 3, fuel gas alarm 4 carry out communication with wireless mode and link block 2.Each link block 2 can only be simultaneously carried out communication with a Digiplex 3, a fuel gas alarm 4, and must could communication after ID encodes successful matching.Digiplex 3 has different address with the ID coding of fuel gas alarm 4, and does not disturb mutually.Implementation method is following:
One. the wireless remote control function
Digiplex 3 can carry out Remote to the gas heater in the family in indoor any position.Each Digiplex 3 all has a unique ID coding, and link block 2 could be matched with the remote controller 3 of specific ID coding through the learning manipulation pattern.Could correctly send command signal after the coding successful matching to the water heater master control borad.After link block 3 and the successful matching of a certain remote controller 3ID coding, just can't carry out the pairing of ID coding with other remote controllers 3 again, encode only if force link block 2 to discharge the ID that has matched through artificial pattern.
1. obtain priority: water heater main frame 1 possibly contain a plurality of human-computer interaction interfaces, and when interactive interface had two or more, 1 pair of priority of water heater main frame was distributed, and peace according to whose elder generation's whose principle of priority of start is distributed.During many interactive interfaces, have only the interface that obtains priority to control to the running status of water heater.
2. adjustment has two kinds of situation:
(1) start shooting and non-fired state when main frame 1 is in, remote controller can carry out the temperature setting to main frame 1.The scope of setting is 35 ℃ ~ 70 ℃, setting not capable of circulation, and wherein 35 ℃ ~ 48 ℃ is low-temperature zone.In low-temperature zone, whenever click lifting key or decline key, the temperature rising is set or descends 1 ℃.When temperature is set is 48 ℃, clicks lifting key, temperature is set is upgraded to 50 ℃, and 50 ℃ ~ 70 ℃ is high temperature section.In high temperature section, whenever click lifting key or decline key, the temperature rising is set or descends 5 ℃.
(2) when main frame 1 was in fired state and is low-temperature zone, remote controller can be provided with temperature value arbitrarily in the low-temperature zone scope.When main frame 1 was in fired state and is high temperature section, the settings of 1 response of main frame step-down did not respond the settings (display board LCD dodged several seconds, but was provided with temperature-resistant) that uprises.
3. communication distance: the maximum communication distance of remote controller is 30 meters, 3 walls.
Two. to the monitoring function of pernicious gas
Fuel gas alarm 4 can be directly installed on the family expenses electrical box, through the mains-supplied in the electrical box, also can independently be installed on the metope, and the plug with two core power lines (1.5m) through a standard configuration is connected power supply with supply socket.Each fuel gas alarm 4 all has a unique ID coding, and link block 2 could be matched with the fuel gas alarm 4 of specific ID coding through the learning manipulation pattern.Could carry out one-way communication with link block 2 after the coding successful matching.After link block 2 and the successful matching of a certain fuel gas alarm ID coding, just can't carry out the pairing of ID coding with other fuel gas alarms 4 again, encode only if force link block 2 to discharge the ID that has matched through artificial pattern.
Fuel gas alarm 4 can be placed on arbitrary monitoring location that needs in kitchen, and high-precision CO sensor and CH are equipped with in its inside
4(main component of city gas) sensor, the moment is monitored the CO content and the gas leakage amount of present position, and detected gas concentration signal is converted into the signal of telecommunication; Feed back to inner control system (the 3rd MCU); The control system compares electrical signal peak that receives and preset value, in case the electrical signal peak that receives meets or exceeds setting value, then sends alarm signal; Pass to the water heater master control borad through link block 2, the buzzer of alarm 4 began to pipe and reported to the police this moment.After master control borad receives alarm signal, start emergency preplan immediately, two kinds of situation arranged:
1. water heater main frame 1 just when heating work, cuts out gas valve rapidly, cuts off the fuel gas supply of water heater main frame 1; Water heater main frame 1 stops heating work immediately; But blower fan keeps operating condition, carries out high velocity sweep, to greatest extent pernicious gas is discharged to outdoor; Respond the warning system on the water heater panel display simultaneously, remind the user with this.
2. when water heater main frame 1 is in holding state (gas valve has been in closed condition), start the blower fan running rapidly, water heater main frame 1 does not get into the heat production water conservancy project and makes state at this moment, carries out high velocity sweep, to greatest extent pernicious gas is discharged to outdoor; Respond the warning system on the water heater panel display simultaneously, remind the user with this.
If the control system detects sensor break down (CO or CH
4Sensor), corresponding fault display lamp does not stop flicker on the alarm 4, and buzzer call points out user sensor to break down simultaneously.This kind situation, the control systems in the alarm 4 do not send fault-signal to the water heater master control borad, also do not influence any work of water heater main frame 1, and water heater main frame 1 continues to remain in the state of user's needs.
Said fuel gas alarm 4 both can independently use, also can with gas heater main frame 1, link block 2 supporting uses.During independent the use, exceed standard in case find the present position harmful gas concentration, the buzzer of alarm 4 is reported to the police with the mode that pipes.During supporting use, not only the buzzer of alarm 4 is reported to the police with the mode that pipes, and " danger " signal is responded on the water heater panel display, makes the blower fan of water heater main frame 1 carry out high velocity sweep simultaneously, as much as possible pernicious gas is discharged to outdoor.
This fuel gas alarm 4 can effectively prevent the accident because of indoor fuel gas leaks or the CO excessive concentration causes; Also can prevent a large amount of pernicious gases (CO or CH because of the external world
4) accident that causes to indoor invasion, bring more safety guarantee to resident living.
Specific embodiment when the present invention uses is:
One. link block 2 is connected with the water heater master control borad
, be connected with communication connector on gas heater 1 master control borad two pins in the link block 2 with connecting line, link block 2 can be fixed on the base plate of water heater main frame 1 with screw.
Two. implement the wireless remote control function
Open the battery cover of the back of Digiplex 3, load onto No. 7 dry cells of two joints by assigned direction, and cover battery cover.Click the power switch button on Digiplex 3 fronts, make Digiplex 3 be in the launching code state.Take off the circuit board of link block 2, the row's pin CN101 on the circuit board is carried out short circuit after, then link block 2 enters into Digiplex ID coding pairing learning state.This moment the LED101 Chang Liang on the link block 2, if receive the signal of some (can only one) remote controller emission in the 30S, then LED101 becomes the sudden strain of a muscle state by normal bright state, then representes ID coding pairing learning success.After the successful matching of ID coding, the row's pin CN101 on the circuit board of link block 2 is in off-state, link block 2 just can be remembered the Digiplex ID that has matched and encode until pairing again.At this moment, Digiplex 3 just can carry out straighforward operation to this gas heater main frame 1 under the priority situation that acquisition water heater main frame 1 is authorized, comprise start, shutdown, adjustment etc.
Three. implement automatic monitoring function to pernicious gas
Fuel gas alarm 4 is placed on a certain position that need monitor, kitchen and feeds power supply (220V, 50Hz civil power), click the power switch button on fuel gas alarm 4 fronts, make fuel gas alarm 4 be in the launching code state.Take off the circuit board of link block 2, " gas alarm " key of link block 2 pressed, the row's pin CN101 on the circuit board is carried out short circuit after, then link block 2 enters into fuel gas alarm ID coding pairing learning state.This moment the LED101 Chang Liang on the link block 2, if receive the signal of some (can only one) fuel gas alarm emission in the 30S, then LED101 becomes the sudden strain of a muscle state by normal bright state, then representes ID coding pairing learning success.After the successful matching of ID coding, " gas alarm " key of link block 2 is resetted, and the row's pin CN101 on the circuit board of link block 2 is in off-state, link block 2 just can be remembered the fuel gas alarm ID coding that matched until pairing again.At this moment, fuel gas alarm 4 is in running order, and whether the harmful gas concentration of monitoring present position exceeds standard.If do not need fuel gas alarm 4 work, only need close the power switch of fuel gas alarm 4; When needing fuel gas alarm 4 work, turn on the power switch and get final product.
Claims (9)
1. the gas heater with wireless remote control and harmful gas automatic monitoring function comprises gas heater main frame (1), it is characterized in that: also comprise link block (2), Digiplex (3) and fuel gas alarm (4); On the master control borad of gas heater main frame (1), communication interface is set, connects link block (2) through communication interface; Said link block (2) comprises the RF receiver module that is connected with a MCU, ISP, memory cell, the communication module and the power module that are connected with the master control borad of gas heater main frame (1);
Said Digiplex (3) comprises a RF transmitter module, display screen, first keyboard input module and the power module that the 2nd MCU connects;
Said fuel gas alarm (4) comprises the 2nd RF transmitter module, second keyboard input module, sound and light alarm display module, CO sensor and the power module that the 3rd MCU connects;
A said RF transmitter module, the 2nd RF transmitter module and RF receiver module are complementary.
2. the gas heater with wireless remote control and harmful gas automatic monitoring function as claimed in claim 1 is characterized in that the power module of said Digiplex (3) adopts powered battery.
3. the gas heater with wireless remote control and harmful gas automatic monitoring function as claimed in claim 1 is characterized in that said link block (2) is fixed on the base plate of gas heater main frame (1).
4. the gas heater with wireless remote control and harmful gas automatic monitoring function as claimed in claim 1 is characterized in that the 3rd MCU of said fuel gas alarm (4) also is connected with CH
4Sensor.
5. the gas heater with wireless remote control and harmful gas automatic monitoring function as claimed in claim 1; It is characterized in that said fuel gas alarm (4) is directly installed on the family expenses electrical box; Or independently be installed on the metope, be connected power supply with supply socket through the plug of being with power line.
6. the gas heater with wireless remote control and harmful gas automatic monitoring function as claimed in claim 1; It is characterized in that said link block (2), Digiplex (3) and fuel gas alarm (4) all have a unique ID coding; A link block (2) can only be carried out communication with a Digiplex (3), a fuel gas alarm (4) simultaneously, and ability communication after the successful matching of ID coding; Digiplex (3) has different address with the ID coding of fuel gas alarm (4), and does not disturb mutually.
7. the gas heater with wireless remote control and harmful gas automatic monitoring function as claimed in claim 1; After it is characterized in that the successful matching of said link block (2) and a Digiplex (3) ID coding; Just can't carry out the pairing of ID coding with other Digiplexs (3) again, only if the ID that forces link block (2) release to match through artificial pattern encodes; After said link block and the successful matching of (2) fuel gas alarms (4) ID coding, just can't carry out the pairing of ID coding with other fuel gas alarms (4) again, only if the ID that forces link block (2) release to match through artificial pattern encodes.
8. the gas heater with wireless remote control and harmful gas automatic monitoring function as claimed in claim 1; After it is characterized in that said gas heater main frame (1) is received the alarm signal of fuel gas alarm (4); If the gas valve of gas heater main frame (1) is in closed condition; Then start blower fan running, pernicious gas is discharged to outdoor, respond the warning system on gas heater main frame (1) panel display simultaneously; If gas heater main frame (1) is producing hot water; Then close gas valve rapidly, cut off the fuel gas supply of gas heater main frame (1), but blower fan keeps operating condition; Pernicious gas is discharged to outdoor, responds the warning system on gas heater main frame (1) panel display simultaneously.
9. the gas heater with wireless remote control and harmful gas automatic monitoring function as claimed in claim 1; The 3rd MCU that it is characterized in that said fuel gas alarm (4) detects the sensor that is attached thereto when breaking down; The sound and light alarm display module sends the fault alarm indication, and fuel gas alarm (4) does not send fault-signal or alarm signal arrives water heater main frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910183344XA CN101696820B (en) | 2009-09-18 | 2009-09-18 | Gas heater with functions of wireless remote control and automatic monitoring of harmful gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910183344XA CN101696820B (en) | 2009-09-18 | 2009-09-18 | Gas heater with functions of wireless remote control and automatic monitoring of harmful gas |
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| Publication Number | Publication Date |
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| CN101696820A CN101696820A (en) | 2010-04-21 |
| CN101696820B true CN101696820B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910183344XA Active CN101696820B (en) | 2009-09-18 | 2009-09-18 | Gas heater with functions of wireless remote control and automatic monitoring of harmful gas |
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| CN103075809A (en) * | 2011-10-26 | 2013-05-01 | 江南大学 | Wireless interconnected ignition and water temperature indicating system for gas water heater |
| CN104748394B (en) * | 2015-03-03 | 2019-03-22 | 芜湖美的厨卫电器制造有限公司 | Gas heater safety system and gas heater |
| CN105223828A (en) * | 2015-10-15 | 2016-01-06 | 桂林电子科技大学 | A kind of intelligent domestic system for remote monitoring |
| CN105528865B (en) * | 2016-01-25 | 2018-06-15 | 詹朝润 | A kind of combustible gas detecting warning device |
| JP6934292B2 (en) * | 2016-10-31 | 2021-09-15 | 新コスモス電機株式会社 | Ventilation system |
| CN106679189A (en) * | 2017-01-22 | 2017-05-17 | 广东万家乐燃气具有限公司 | Fuel gas water heater system based on WIFI control and control method of fuel gas water heater system |
| CN109579280A (en) * | 2018-12-28 | 2019-04-05 | 广东顺德大派电气有限公司 | A kind of adaptive gas heater |
| CN110906378A (en) * | 2019-11-20 | 2020-03-24 | 熙家智能***（深圳）有限公司 | Gas stove with wireless remote control and automatic valve closing functions |
| CN110986374A (en) * | 2019-11-20 | 2020-04-10 | 熙家智能***（深圳）有限公司 | Water heater with wireless remote control and automatic valve closing functions |
| CN110886897A (en) * | 2019-11-20 | 2020-03-17 | 熙家智能***（深圳）有限公司 | Valve closing device and matching method thereof |
| CN111664587B (en) * | 2020-06-09 | 2021-09-24 | 海信(广东)厨卫***有限公司 | Control method and device of gas water heater and gas water heater |
| CN112650135A (en) * | 2020-11-17 | 2021-04-13 | 华帝股份有限公司 | Cooking equipment and control method for linkage of embedded kitchen appliance and gas appliance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223456Y (en) * | 1995-07-03 | 1996-03-27 | 河北建筑工程学院 | Multi-function self-controlling domestic gas combustion heat supply apparatus |
| CN100436958C (en) * | 2006-11-22 | 2008-11-26 | 艾欧史密斯(中国)热水器有限公司 | Gas water heater capable of harmful gas monitoring and alarming and method of monitoring and alarming |
| CN201508022U (en) * | 2009-09-18 | 2010-06-16 | 阿里斯顿热能产品(中国)有限公司 | Gas water heater with functions of wireless remote control and automatic harmful gas monitoring |
-
2009
- 2009-09-18 CN CN200910183344XA patent/CN101696820B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223456Y (en) * | 1995-07-03 | 1996-03-27 | 河北建筑工程学院 | Multi-function self-controlling domestic gas combustion heat supply apparatus |
| CN100436958C (en) * | 2006-11-22 | 2008-11-26 | 艾欧史密斯(中国)热水器有限公司 | Gas water heater capable of harmful gas monitoring and alarming and method of monitoring and alarming |
| CN201508022U (en) * | 2009-09-18 | 2010-06-16 | 阿里斯顿热能产品(中国)有限公司 | Gas water heater with functions of wireless remote control and automatic harmful gas monitoring |
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