CN201368594Y - Carbon monoxide alarm device for gas water heater - Google Patents
Carbon monoxide alarm device for gas water heater Download PDFInfo
- Publication number
- CN201368594Y CN201368594Y CNU2009200012588U CN200920001258U CN201368594Y CN 201368594 Y CN201368594 Y CN 201368594Y CN U2009200012588 U CNU2009200012588 U CN U2009200012588U CN 200920001258 U CN200920001258 U CN 200920001258U CN 201368594 Y CN201368594 Y CN 201368594Y
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- carbon monoxide
- singlechip
- chip microcomputer
- concentration
- single chip
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 229910002091 carbon monoxide Inorganic materials 0.000 title claims abstract description 126
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 5
- 230000006870 function Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Images
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a carbon monoxide alarm device for a gas water heater, which comprises a singlechip, a carbon monoxide sensor connected with the singlechip, a motor speed regulating system used for driving a fan of the gas water heater and a solenoid valve driving circuit used for driving a gas circuit solenoid valve of the gas water heater; the single chip microcomputer controls the motor speed regulating system and the electromagnetic valve driving circuit according to the carbon monoxide concentration detected by the carbon monoxide sensor. The utility model discloses can be according to the size of the carbon monoxide concentration size control wind speed that the carbon monoxide sensor detected, the indoor carbon monoxide gas that exceeds standard of discharge.
Description
Technical Field
The utility model relates to a carbon monoxide alarm device field especially relates to a carbon monoxide alarm device for gas heater.
Background
With the continuous improvement of the living standard of people, the gas water heater has gone into thousands of households. The gas water heater is convenient to use, but the condition that carbon monoxide exceeds standard and causes harm to a human body due to insufficient combustion can occur.
Patent application No. 200420047306.4 discloses a take alarm device's water heater, can realize carrying out the alarm suggestion when detecting that the gaseous time exceeds of carbon monoxide, can intelligent control wireless transmission module transmission signal close the pneumatic valve. However, since the function of discharging indoor carbon monoxide gas is not provided, the gas valve is closed once carbon monoxide exceeds the standard, and different treatments cannot be performed according to different carbon monoxide concentration conditions, so that inconvenience is brought to the use of a user. For example, due to the fact that combustion is insufficient in a short time due to unstable gas quality, or exhaust is not smooth due to the fact that exhaust air flows backwards in a short time through an exhaust port, the situation that carbon monoxide gas exceeds standard in a short time but does not harm human bodies can be caused, and the treatment method disclosed by the patent can cause inconvenience in use due to the fact that the gas valve is closed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a carbon monoxide alarm device for gas heater can discharge the indoor carbon monoxide gas that exceeds standard according to the size of the carbon monoxide concentration size control wind speed that carbon monoxide sensor 102 detected.
The utility model provides a carbon monoxide alarm device for gas heater, include:
the system comprises a single chip microcomputer 101, a carbon monoxide sensor 102 connected with the single chip microcomputer 101, a motor speed regulating system 103 used for driving a fan of the gas water heater and an electromagnetic valve driving circuit 105 used for driving a gas circuit electromagnetic valve 106 of the gas water heater;
the single chip microcomputer 101 controls the motor speed regulating system 103 and the electromagnetic valve driving circuit 105 according to the carbon monoxide concentration detected by the carbon monoxide sensor 102.
Wherein, still include: and the buzzer 107 is connected with the singlechip 101 and is used for sounding according to a control instruction sent by the singlechip 101 after judging that the carbon monoxide concentration exceeds a safe concentration value.
Wherein, still include: and the alarm indicator lamp 108 is connected with the singlechip 101 and is used for flashing according to a control instruction sent by the singlechip 101 after the judgment that the concentration of the carbon monoxide exceeds a safe concentration value.
Preferably, the number of the alarm indicator lamps 108 is at least two.
Preferably, the method further comprises the following steps: and the display panel 109 is connected with the singlechip 101 and is used for displaying the current carbon monoxide concentration value and/or prompt information judged by the singlechip 101.
In addition, the method further comprises the following steps: and the sensor cleaning module 110 is connected with the single chip microcomputer 101 at one end and the carbon monoxide sensor 102 at the other end and is used for cleaning the carbon monoxide sensor 102 according to the instruction of the single chip microcomputer 101.
Wherein, still include: and the self-checking module 111 is connected with the singlechip 101 and is used for detecting the carbon monoxide alarm device.
Preferably, the method further comprises the following steps: and the reset module 112 is connected with the single chip microcomputer 101 at one end and the self-detection module 111 at the other end and is used for resetting the carbon monoxide alarm device when the received detection result of the self-detection module 111 is a fault.
From the above, the present invention has a function of controlling the wind speed according to the carbon monoxide concentration detected by the carbon monoxide sensor 102.
Wherein, the utility model discloses a singlechip 101 sends different control command according to the difference of carbon monoxide concentration value, can realize like this carrying out corresponding operation according to the condition of difference, offers convenience for user's use.
Wherein, the utility model discloses still include solenoid valve drive circuit 105, its control command according to singlechip 101 sends when carbon monoxide concentration reaches dangerous concentration value closes the gas circuit, can realize closing the gas circuit like this when necessary, prevents that excessive carbon monoxide is gaseous to cause the injury to the human body.
And, the utility model discloses still include bee calling organ 107, it sends different vocal according to the different concentrations of carbon monoxide, and the user can judge whether carbon monoxide concentration exceeds standard and the degree that exceeds standard through the sense of hearing.
Wherein, the utility model discloses still include alarm indicator 108, flicker when its one of which carbon monoxide concentration exceeds the safe concentration value, the user can judge whether carbon monoxide concentration exceeds standard through the vision like this.
Furthermore, the utility model discloses an alarm indicator 108 is more than two, and it carries out the flickering of different combinations according to the concentration that carbon monoxide is different, and the user can judge the degree that carbon monoxide concentration exceeds standard through the vision like this.
Additionally, the utility model discloses still include display panel 109, it can show current carbon monoxide concentration value and/or tip information, and the user can read current indoor carbon monoxide concentration value and relevant tip information like this, and convenience of customers operates.
The carbon monoxide alarm device further comprises a self-checking module 111 connected with the single chip microcomputer 101 and used for detecting the carbon monoxide alarm device. Prevent to make because of components and parts break down the utility model discloses a device can't play the function of reporting to the police.
In addition, carbon monoxide alarm device still includes that one end is connected with singlechip 101, and the other end and self-checking module 111 are connected reset module 112, and carbon monoxide alarm device resets when the testing result of self-checking module 111 is the trouble. And (5) immediately repairing the fault to ensure that the carbon monoxide alarm device normally operates.
Preferably, the present invention further comprises a sensor cleaning module 110 for cleaning the carbon monoxide sensor 102. Guarantee the normal work of sensor, avoid making because of the trouble of sensor the utility model discloses a device can't play the function of reporting to the police.
Drawings
FIG. 1 is a functional block diagram of a carbon monoxide alarm device;
fig. 2 is a circuit diagram of a motor speed regulating system of the carbon monoxide alarm device.
Detailed Description
Fig. 1 shows a schematic block diagram of the present invention, which includes a carbon monoxide sensor 102, a single chip microcomputer 101, a motor speed control system 103, a buzzer 107, an alarm indicator 108, a display panel 109, a solenoid valve driving circuit 105 and a solenoid valve 106. The carbon monoxide sensor 102, the buzzer 107, the alarm indicator lamp 108, the display panel 109, the motor speed regulation system 103 and the electromagnetic valve driving circuit 105 are respectively connected with the single chip microcomputer 101. One end of the electromagnetic valve driving circuit 105 is connected with the single chip microcomputer 101, and the other end of the electromagnetic valve driving circuit is connected with an electromagnetic valve 106 of a gas path of the gas water heater. Wherein,
the carbon monoxide sensor 102 is used for detecting the concentration of carbon monoxide in the environment;
the single chip microcomputer 101 is used for sending a control instruction to a motor speed regulating system 103, a buzzer 107, an alarm indicator lamp 108, a display panel 109 and an electromagnetic valve driving circuit 105 which are connected with the single chip microcomputer according to the carbon monoxide concentration detected by the carbon monoxide sensor 102.
The motor speed regulating system 103 is connected with the exhaust fan of the gas water heater and used for controlling the wind speed of the fan according to a control instruction sent by the singlechip 101;
the electromagnetic valve driving circuit 105 is used for controlling the electromagnetic valve 106 to be closed according to a control instruction sent by the single chip microcomputer 101 when the carbon monoxide concentration reaches a dangerous concentration value, and cutting off a gas path of the gas water heater;
the buzzer 107 is used for sounding according to a control instruction sent by the singlechip 101 after judging that the carbon monoxide concentration exceeds a safe concentration value;
the alarm indicator lamp 108 is used for flashing according to a control instruction sent by the singlechip 101 after judging that the concentration of the carbon monoxide exceeds a safe concentration value;
the display panel 109 is used for displaying the current carbon monoxide concentration value and the prompt message which are judged by the singlechip 101.
The carbon monoxide sensor 102 described above may employ a semiconductor gas sensor, such as a tin dioxide type semiconductor gas sensor.
The single chip microcomputer 101 stores set safe concentration values, leakage concentration values, danger concentration values and corresponding allowable time, the single chip microcomputer 101 compares the stored concentration values and the corresponding allowable time with the received carbon monoxide concentration detected by the carbon monoxide sensor 102 to determine the range of the carbon monoxide concentration value of the current environment, and sends out corresponding control instructions according to the determined range of the carbon monoxide concentration value of the current environment.
The user may be in a range, e.g. 8ml/m3To 1000ml/m3And automatically setting a safe concentration value, a leakage concentration value and a dangerous concentration value. Such as oxidation ofThe carbon safety concentration value is set to be 10ml/m3The leakage concentration value is set to 50ml/m3The dangerous concentration value is set to 700ml/m3. The user may set the allowable time by himself within a certain range, for example, between 10 seconds and 120 seconds, where the allowable time is a time for allowing a certain concentration of carbon monoxide gas to continuously exist, and the allowable time is set to 30 seconds, for example.
When the single chip microcomputer 101 determines that the carbon monoxide concentration detected by the carbon monoxide sensor 102 is lower than the safe concentration value, the single chip microcomputer 101 respectively sends control instructions to the motor speed regulating system 103 and the display panel 109, the motor speed regulating system 103 controls the wind speed to be kept lowest according to the control instructions, and the display panel 109 displays the carbon monoxide concentration and the prompt message 'safe' according to the control instructions;
when the single chip microcomputer 101 determines that the carbon monoxide concentration detected by the carbon monoxide sensor 102 is between the safe concentration and the leakage concentration value and the duration time exceeds the allowable time, the single chip microcomputer 101 respectively sends control instructions to the motor speed regulating system 103, the buzzer 107, the alarm indicator lamp 108 and the display panel 109. The motor speed regulating system 103 accelerates the wind speed according to the control instruction, and the single chip microcomputer 101 can also send the control instruction to the motor speed regulating system 103 by adopting a PID operation mode, so that the wind speed controlled by the motor speed regulating system 103 is increased along with the increase of the concentration of the carbon monoxide; the buzzer 107 gives an intermittent low alarm sound according to the control instruction; the alarm indicator light 108 flashes according to the control command; the display panel 109 displays the carbon monoxide concentration and the prompting message "alert" according to the control instruction;
when the single chip microcomputer 101 determines that the carbon monoxide concentration detected by the carbon monoxide sensor 102 is between the leakage concentration value and the dangerous concentration value and the duration time exceeds the allowable time, the single chip microcomputer 101 respectively sends control instructions to the motor speed regulating system 103, the buzzer 107, the alarm indicator lamp 108 and the display panel 109. The motor speed regulating system 103 further accelerates the wind speed according to the control instruction, the buzzer 107 sends out a continuously loud alarm sound according to the control instruction, the alarm indicator lamp 108 accelerates the flickering frequency according to the control instruction, and the display panel 109 displays the carbon monoxide concentration and the prompt message "danger" according to the control instruction.
When the single chip microcomputer 101 determines that the carbon monoxide concentration detected by the carbon monoxide sensor 102 reaches a dangerous concentration value and the duration time exceeds the allowable time, the single chip microcomputer 101 respectively sends control instructions to the electromagnetic valve driving circuit 105, the motor speed regulating system 103 and the display panel 109. The electromagnetic valve driving circuit 105 turns off the electromagnetic valve 106 according to the control instruction, and cuts off the gas path; the motor speed regulating system 103 enables the wind speed to be maximum according to the control instruction; the display panel 109 displays the carbon monoxide concentration according to the control instruction.
Fig. 2 is a circuit diagram of a motor speed regulating system of the carbon monoxide alarm device. As shown in the figure, the motor speed regulating system comprises a fan, the fan adopts a direct current fan, and the maximum power supply voltage of the motor speed regulating system is 40V. The single chip microcomputer outputs pulse signals with certain frequency as control instructions according to requirements, duty ratios of the pulse signals with different frequencies are different, the pulse signals are shaped through a triode Q1, and the pulse signals are driven by a field effect tube Q2 and filtered by an LC oscillating circuit to be converted into fan voltage for controlling the wind speed generated by the fan.
The following is a description by specific examples. When the water source is switched on, water flow enables the power supply of each circuit of the water heater to be switched on and work, and the carbon monoxide alarm device is started simultaneously. The carbon monoxide sensor 102 detects that the concentration of the carbon monoxide gas in the room is more than 10ml/m3Less than 50ml/m3And the duration time exceeds 30 seconds, the display panel 109 displays the instant carbon monoxide concentration value and the warning character, the alarm indicator lamp 108 flashes, the buzzer 107 sends out intermittent and deep buzzing sound, and the motor speed regulating system 103 increases the wind speed. When the carbon monoxide sensor 102 detects that the concentration of the carbon monoxide gas in the room is reduced to 10ml/m3The duration time exceeds 60 seconds, and the concentration value of the carbon monoxide gas displayed on the display panel 109 in real time is 10ml/m3And the word of 'safe', the alarm indicator lamp 108 stops flashing, the buzzer 107 stops sounding, and the wind speed of the motor speed regulating system 103 is recovered to the minimum value. When the air speed of the exhaust air is increased and the concentration of the carbon monoxide in the room is not effectively reduced, the carbon monoxide sensor 102 detects thatThe concentration of carbon monoxide gas in the chamber is increased to more than 50ml/m3Less than 700ml/m3And the duration time exceeds 30 seconds, the concentration value and the dangerous character of the carbon monoxide gas are displayed on the display panel 109 in real time, the flashing frequency is increased by the alarm indicator lamp 108, the buzzer 107 emits a continuously loud buzzing sound, and meanwhile, the motor speed regulating system 103 is continued to increase the wind speed. When the carbon monoxide sensor 102 detects that the concentration of the carbon monoxide gas in the room is reduced to 10ml/m3And the duration time exceeds 60 seconds, the concentration value and the safety word of the carbon monoxide gas are displayed on the display panel 109 in real time, the alarm indicator lamp 108 stops flashing, the buzzer 107 stops sounding, and the wind speed of the motor speed regulating system 103 is recovered to the minimum value. When the air speed of the exhaust air is continuously increased without effectively reducing the concentration of the indoor carbon monoxide, the carbon monoxide sensor 102 detects that the concentration of the indoor carbon monoxide gas is increased to 700ml/m3And the duration time exceeds 30 seconds, the electromagnetic valve is closed, the air supply is stopped, the air speed of the motor speed regulating system 103 is opened to the maximum, the damage of the carbon monoxide gas concentration to the human body is avoided, and the display panel 109 displays the current carbon monoxide concentration.
The device can be arranged in a control panel of the gas water heater to form the water heater with the carbon monoxide alarm device.
For preventing to make because of the component breaks down the utility model discloses a function that the device can't play the warning, as shown in fig. 1, the utility model discloses still include the module 112 that resets that self-checking module 111 and one end and self-checking module 111 be connected, the other end and singlechip 101 be connected with singlechip 101. When the carbon monoxide alarm device is powered on or the self-checking key is manually pressed, the self-checking module 111 detects the sounding, lighting and action executing elements in the carbon monoxide alarm device through the single chip microcomputer 101. If the self-checking device can be set at the self-checking time, the yellow light and the red light are respectively lighted, the buzzer 107 sounds, the electromagnetic valve driving circuit 105 drives the electromagnetic valve 106 to act once, and when the detection result is normal, the carbon monoxide alarm device enters the working state.
When the self-checking module 111 detects that the element has a fault, if the buzzer 107 does not sound, the self-checking module 111 transmits a detected fault signal to the resetting module 112, and the resetting module 112 resets the fault element, such as the buzzer 107, through the single chip microcomputer 101 according to the fault signal.
The utility model discloses still include the sensor cleaning module 110 that one end is connected with singlechip 101, and the other end is connected with carbon monoxide sensor 102. When the carbon monoxide sensor 102 is powered on or a cleaning key is manually pressed, the sensor cleaning module 110 provides a higher voltage for the carbon monoxide sensor 102 to clean the carbon monoxide sensor 102, and the singlechip 101 controls parameters such as cleaning time of the sensor cleaning module 110 to ensure that the carbon monoxide sensor 102 works normally.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. For example, when the self-test module 111 detects that a component is faulty, if the buzzer 107 does not sound, the faulty component is reset by manually pressing the corresponding reset key of the faulty component. The alarm indicator lamps 108 can be set to be two, when the single chip microcomputer 101 determines that the carbon monoxide concentration detected by the carbon monoxide sensor 102 is between the safe concentration and the leakage concentration value, the single chip microcomputer 101 controls the alarm indicator lamps 108 to flash singly, when the single chip microcomputer 101 determines that the carbon monoxide concentration detected by the carbon monoxide sensor 102 is between the leakage concentration value and the dangerous concentration value, the single chip microcomputer 101 controls the alarm indicator lamps 108 to flash doubly, and the two alarm indicator lamps 108 can also be set to be different colors.
Claims (8)
1. A carbon monoxide alarm device for a gas water heater is characterized by comprising a single chip microcomputer (101), a carbon monoxide sensor (102) connected with the single chip microcomputer (101), a motor speed regulating system (103) used for driving a fan of the gas water heater and an electromagnetic valve driving circuit (105) used for driving a gas path electromagnetic valve (106) of the gas water heater;
the single chip microcomputer (101) controls a motor speed regulating system (103) and an electromagnetic valve driving circuit (105) according to the carbon monoxide concentration detected by the carbon monoxide sensor (102).
2. The apparatus of claim 1, further comprising: and the buzzer (107) is connected with the singlechip (101) and is used for sounding according to a control instruction sent out after the singlechip (101) judges that the concentration of the carbon monoxide exceeds a safe concentration value.
3. The apparatus of claim 1, further comprising: and the alarm indicator lamp (108) is connected with the singlechip (101) and is used for flashing according to a control instruction sent out after the singlechip (101) judges that the concentration of the carbon monoxide exceeds a safe concentration value.
4. The device according to claim 3, characterized in that the warning indicator lights (108) are at least two.
5. The apparatus of claim 1, further comprising: and the display panel (109) is connected with the singlechip (101) and is used for displaying the current carbon monoxide concentration value and/or prompt information judged by the singlechip (101).
6. The apparatus of claim 1, further comprising: and the sensor cleaning module (110) is connected with the single chip microcomputer (101) at one end and the carbon monoxide sensor (102) at the other end and is used for cleaning the carbon monoxide sensor (102) according to the instruction of the single chip microcomputer (101).
7. The apparatus of claim 1, further comprising: and the self-checking module (111) is connected with the singlechip (101) and is used for detecting the carbon monoxide alarm device.
8. The apparatus of claim 7, further comprising: and the reset module (112) is connected with the self-checking module (111) and is used for resetting the carbon monoxide alarm device when the received detection result of the self-checking module (111) is a fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200012588U CN201368594Y (en) | 2009-01-20 | 2009-01-20 | Carbon monoxide alarm device for gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200012588U CN201368594Y (en) | 2009-01-20 | 2009-01-20 | Carbon monoxide alarm device for gas water heater |
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| Publication Number | Publication Date |
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| CN201368594Y true CN201368594Y (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200012588U Expired - Lifetime CN201368594Y (en) | 2009-01-20 | 2009-01-20 | Carbon monoxide alarm device for gas water heater |
Country Status (1)
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| CN (1) | CN201368594Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767842A (en) * | 2012-03-09 | 2012-11-07 | 武汉海尔热水器有限公司 | Combustion efficiency control method and device |
| CN103196235A (en) * | 2013-04-17 | 2013-07-10 | 李迎春 | Automatic alarm method of domestic gas water heater |
| CN104748394A (en) * | 2015-03-03 | 2015-07-01 | 芜湖美的厨卫电器制造有限公司 | Gas water heater safety protection system and gas water heater |
| CN105020901A (en) * | 2015-06-29 | 2015-11-04 | 柳州蚊敌香业有限公司 | Fuel gas water heater with function of quickly exhaustingCO |
| CN105020900A (en) * | 2015-06-29 | 2015-11-04 | 柳州蚊敌香业有限公司 | Automatically controlled gas water heater capable of monitoring concentration of CO and alarming |
| CN107367068A (en) * | 2016-05-12 | 2017-11-21 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater with acceleration sensor and control method thereof |
| CN109595825A (en) * | 2018-10-25 | 2019-04-09 | 珠海格力电器股份有限公司 | Safety monitoring method, device and system for gas equipment and gas equipment |
| CN110762849A (en) * | 2019-10-11 | 2020-02-07 | 珠海格力电器股份有限公司 | Carbon monoxide detection linkage control system and control method |
| CN114263938A (en) * | 2020-09-16 | 2022-04-01 | 青岛海尔智慧厨房电器有限公司 | CO concentration monitoring method and device and stove |
| CN114440465A (en) * | 2020-10-30 | 2022-05-06 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method, device and storage medium thereof |
| CN114440466A (en) * | 2020-10-30 | 2022-05-06 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and alarm control method, device and storage medium thereof |
-
2009
- 2009-01-20 CN CNU2009200012588U patent/CN201368594Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767842A (en) * | 2012-03-09 | 2012-11-07 | 武汉海尔热水器有限公司 | Combustion efficiency control method and device |
| CN102767842B (en) * | 2012-03-09 | 2015-03-18 | 武汉海尔热水器有限公司 | Combustion efficiency control method and device |
| CN103196235A (en) * | 2013-04-17 | 2013-07-10 | 李迎春 | Automatic alarm method of domestic gas water heater |
| CN104792016A (en) * | 2013-04-17 | 2015-07-22 | 苏海英 | Automatic alarm method for domestic gas water heater |
| CN104792016B (en) * | 2013-04-17 | 2016-04-20 | 张绪伟 | Domestic gas-fired water heater automatic alarm method |
| CN104748394A (en) * | 2015-03-03 | 2015-07-01 | 芜湖美的厨卫电器制造有限公司 | Gas water heater safety protection system and gas water heater |
| CN105020900A (en) * | 2015-06-29 | 2015-11-04 | 柳州蚊敌香业有限公司 | Automatically controlled gas water heater capable of monitoring concentration of CO and alarming |
| CN105020901A (en) * | 2015-06-29 | 2015-11-04 | 柳州蚊敌香业有限公司 | Fuel gas water heater with function of quickly exhaustingCO |
| CN107367068A (en) * | 2016-05-12 | 2017-11-21 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater with acceleration sensor and control method thereof |
| CN109595825A (en) * | 2018-10-25 | 2019-04-09 | 珠海格力电器股份有限公司 | Safety monitoring method, device and system for gas equipment and gas equipment |
| CN110762849A (en) * | 2019-10-11 | 2020-02-07 | 珠海格力电器股份有限公司 | Carbon monoxide detection linkage control system and control method |
| CN114263938A (en) * | 2020-09-16 | 2022-04-01 | 青岛海尔智慧厨房电器有限公司 | CO concentration monitoring method and device and stove |
| CN114440465A (en) * | 2020-10-30 | 2022-05-06 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method, device and storage medium thereof |
| CN114440466A (en) * | 2020-10-30 | 2022-05-06 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and alarm control method, device and storage medium thereof |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091223 |