CN105118221A - Smog detection apparatus for household electrical appliance, household electrical appliance and control method thereof - Google Patents
Smog detection apparatus for household electrical appliance, household electrical appliance and control method thereof Download PDFInfo
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- CN105118221A CN105118221A CN201510395475.XA CN201510395475A CN105118221A CN 105118221 A CN105118221 A CN 105118221A CN 201510395475 A CN201510395475 A CN 201510395475A CN 105118221 A CN105118221 A CN 105118221A
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- electrical appliance
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
Abstract
The invention discloses a smog detection apparatus for a household electrical appliance, a household electrical appliance and a control method thereof. The smog detection apparatus comprises a smog detection module for detecting smog concentration at the location of the household electrical appliance detected to generate smog detection signals and sending the smog detection signals, an automatic power-off module, and a control module which is respectively connected with the smog detection module and the automatic power-off module. The control module receives the smog detection signal to obtain a smog concentration value. When the smog concentration value is greater than or equal to a preset threshold, the control module determines whether the smog concentration value increases within a preset time, and sends a power-off signal to the automatic power-off module to cut off the power supply of the household electrical appliance when the smog concentration value increases within the preset time. The smog detection apparatus of the household electrical appliance realizes early warning for fire hazard, and prevents and reduces property loss of the user due to fire.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to a kind of mist detecting device of household electrical appliance, household electrical appliance and control method thereof.
Background technology
Smoke-detectors is a kind of equipment being applied to fire-fighting system, reports to the police mainly through the concentration detecting smog, thus realizes the strick precaution to fire.At present, smoke-detectors, because flow of the people is larger, generally all can be installed in public place.But but do not have corresponding mist detecting device in household electrical appliance, once breaking out of fire, charged household electrical appliance can increase the hazard level of fire.
Summary of the invention
The present invention is intended to solve the problems of the technologies described above at least to a certain extent.
For this reason, the present invention needs the mist detecting device providing a kind of household electrical appliance, can realize the early warning to fire, thus avoids or reduce the property loss that fire causes domestic consumer.
In addition, the present invention also needs to provide a kind of household electrical appliance.
In addition, the present invention also needs the smog detection method providing a kind of household electrical appliance.
For at least one in solving the problems of the technologies described above, embodiment proposes a kind of mist detecting device of household electrical appliance according to a first aspect of the present invention, comprise: Smoke Detection module, for detecting the smokescope of household electrical appliance present position to generate Smoke Detection signal, and send described Smoke Detection signal; Auto-breaking module; And control module, described control module is connected with described auto-breaking module with described Smoke Detection module respectively, described control module receives described Smoke Detection signal to obtain smokescope value, and when described smokescope value is more than or equal to predetermined threshold value, described control module judges whether the smokescope value in Preset Time is in ascendant trend, and when judging that the smokescope value in described Preset Time is in ascendant trend, described control module sends power-off signal to described auto-breaking module to disconnect the power supply of described household electrical appliance.
The mist detecting device of the household electrical appliance of the embodiment of the present invention, the smokescope of household electrical appliance present position is detected to generate Smoke Detection signal by Smoke Detection module, and send Smoke Detection signal, control module receives Smoke Detection signal to obtain smokescope value, and when smokescope value is more than or equal to predetermined threshold value, if the smokescope value in Preset Time is in ascendant trend, then control module sends power-off signal to auto-breaking module to disconnect the power supply of household electrical appliance, achieve the early warning to fire, thus avoid or reduce the property loss that fire causes domestic consumer.
Second aspect present invention embodiment provides a kind of household electrical appliance, and described household electrical appliance comprise the mist detecting device of the household electrical appliance described in an embodiment.
The mist detecting device of the household electrical appliance of the embodiment of the present invention, the smokescope of household electrical appliance present position is detected to generate Smoke Detection signal by Smoke Detection module, and send Smoke Detection signal, control module receives Smoke Detection signal to obtain smokescope value, and when smokescope value is more than or equal to predetermined threshold value, if the smokescope value in Preset Time is in ascendant trend, then control module sends power-off signal to auto-breaking module to disconnect the power supply of household electrical appliance, achieve the early warning to fire, thus avoid or reduce the property loss that fire causes domestic consumer.
Third aspect present invention embodiment provides a kind of smog detection method of household electrical appliance, comprises the following steps: described Smoke Detection module detects the smokescope of household electrical appliance present position to generate Smoke Detection signal, and sends described Smoke Detection signal; Described control module receives described Smoke Detection signal to obtain smokescope value, and judges when described smokescope value is more than or equal to predetermined threshold value whether the smokescope value in Preset Time is in ascendant trend; And if judge that the smokescope value in described Preset Time is in ascendant trend, described control module sends power-off signal to described auto-breaking module to disconnect the power supply of described household electrical appliance.
The smog detection method of the household electrical appliance of the embodiment of the present invention, the smokescope of household electrical appliance present position is detected to generate Smoke Detection signal by Smoke Detection module, and send Smoke Detection signal, control module receives Smoke Detection signal to obtain smokescope value, and when smokescope value is more than or equal to predetermined threshold value, if the smokescope value in Preset Time is in ascendant trend, then control module sends power-off signal to auto-breaking module to disconnect the power supply of household electrical appliance, achieve the early warning to fire, thus avoid or reduce the property loss that fire causes domestic consumer.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation one of the mist detecting device of household electrical appliance according to an embodiment of the invention.
Fig. 2 is the structural representation two of the mist detecting device of household electrical appliance according to an embodiment of the invention.
Fig. 3 is the structural representation of household electrical appliance according to an embodiment of the invention.
Fig. 4 is the process flow diagram one of the smog detection method of household electrical appliance according to an embodiment of the invention.
Fig. 5 is the flowchart 2 of the smog detection method of household electrical appliance according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to the accompanying drawings the mist detecting device of the household electrical appliance according to the embodiment of the present invention, household electrical appliance and control method thereof are described.
Fig. 1 is the structural representation one of the mist detecting device of household electrical appliance according to an embodiment of the invention.
As shown in Figure 1, the mist detecting device of household electrical appliance can comprise: Smoke Detection module 110, auto-breaking module 120 and control module 130.
Wherein, Smoke Detection module 110 for detecting the smokescope of household electrical appliance present position to generate Smoke Detection signal, and sends Smoke Detection signal.
Control module 130 is connected with auto-breaking module 120 with Smoke Detection module 110 respectively.Control module 130 can receive Smoke Detection signal to obtain smokescope value, and when smokescope value is more than or equal to predetermined threshold value, control module 130 can judge whether the smokescope value in Preset Time is in ascendant trend.
For example, control module 130 can obtain a smokescope value every 100ms, and judges whether the smokescope value of current acquisition is greater than the maximal value having obtained smokescope value.If be greater than the maximal value obtaining smokescope value, then the smokescope value of current acquisition is saved in tables of data as maximal value; If be less than the maximal value obtaining smokescope value, then continue to judge whether the smokescope value of current acquisition is less than the minimum value having obtained smokescope value, if be less than the minimum value obtaining smokescope value, then the smokescope value of current acquisition is saved in tables of data as minimum value, if be greater than the minimum value obtaining smokescope value, be then directly saved in tables of data.When the smokescope value obtained reaches preset times, such as 10 times, then calculate the mean value of these 10 smokescope values, if mean value is more than or equal to predetermined threshold value, then can determine to there occurs fire.After 100ms, control module gets the 11st smokescope value, the mean value of the smokescope value obtained from the 2nd time to the 11st time can be calculated, if this mean value is greater than the front mean value calculated for 10 times, then can judge that smokescope value is in ascendant trend.
When judging that the smokescope value in Preset Time is in ascendant trend, control module 130 can send power-off signal to auto-breaking module 120 to disconnect the power supply of household electrical appliance.
Particularly, auto-breaking module 120 disconnects the power supply of household electrical appliance by three kinds of modes.
First kind of way: the power supply directly being disconnected household electrical appliance by on-off switch.Wherein, this on-off switch is connected in the current supply circuit of household electrical appliance.
The second way: auto-breaking module 120 can comprise gate-controlled switch and trigger element.Wherein, one end of gate-controlled switch is connected with the L line of power supply, and another termination GND of gate-controlled switch, the control end of gate-controlled switch is connected with trigger element.Trigger element, when receiving power-off signal, can trigger gate-controlled switch conducting to make L line and the GND short circuit of power supply, to trigger the earth leakage protective device action in family expenses electric power system.Namely when electric household appliance has good earth, by earth leakage protective device action, thus power supply is disconnected.
The third mode: the power supply being disconnected household electrical appliance by the power switch with communication function.Particularly, communicate with household electrical appliance by mobile terminal, the power-off signal that mobile terminal receive sends, thus disconnect power supply.Such as, user controls household electrical appliance by the APP installed in mobile phone, when choosing powered-down option, can control household electrical appliance and disconnecting power supply.
In addition, the mist detecting device of household electrical appliance also can comprise alarm 140.
Alarm 140 is connected with control module 130.When the smokescope value that control module 130 judges in Preset Time is in ascendant trend, control module 130 can control alarm 140 and send warning message.
In addition, control module 130 also can communicate with intelligent terminal.When smokescope value in Preset Time is in ascendant trend, control module 130 can send prompting message to intelligent terminal, with reminding user.
The mist detecting device of the household electrical appliance of the embodiment of the present invention, the smokescope of household electrical appliance present position is detected to generate Smoke Detection signal by Smoke Detection module, and send Smoke Detection signal, control module receives Smoke Detection signal to obtain smokescope value, and when smokescope value is more than or equal to predetermined threshold value, if the smokescope value in Preset Time is in ascendant trend, then control module sends power-off signal to auto-breaking module to disconnect the power supply of household electrical appliance, achieve the early warning to fire, thus avoid or reduce the property loss that fire causes domestic consumer.
For achieving the above object, the present invention also proposes a kind of household electrical appliance.
Fig. 3 is the structural representation of household electrical appliance according to an embodiment of the invention.
As shown in Figure 3, household electrical appliance 100 can comprise the mist detecting device of the household electrical appliance of an embodiment.
The household electrical appliance of the embodiment of the present invention, the smokescope of household electrical appliance present position is detected to generate Smoke Detection signal by Smoke Detection module, and send Smoke Detection signal, control module receives Smoke Detection signal to obtain smokescope value, and when smokescope value is more than or equal to predetermined threshold value, if the smokescope value in Preset Time is in ascendant trend, then control module sends power-off signal to auto-breaking module to disconnect the power supply of household electrical appliance, achieve the early warning to fire, thus avoid or reduce the property loss that fire causes domestic consumer.
For achieving the above object, the present invention also proposes a kind of smog detection method of household electrical appliance.
Fig. 4 is the process flow diagram one of the smog detection method of household electrical appliance according to an embodiment of the invention.
As shown in Figure 4, the smog detection method of household electrical appliance comprises the following steps:
S1, Smoke Detection module detect the smokescope of household electrical appliance present position to generate Smoke Detection signal, and send Smoke Detection signal.
S2, control module receive Smoke Detection signal to obtain smokescope value, and judge when smokescope value is more than or equal to predetermined threshold value whether the smokescope value in Preset Time is in ascendant trend.
For example, control module can obtain a smokescope value every 100ms, and judges whether the smokescope value of current acquisition is greater than the maximal value having obtained smokescope value.If be greater than the maximal value obtaining smokescope value, then the smokescope value of current acquisition is saved in tables of data as maximal value; If be less than the maximal value obtaining smokescope value, then continue to judge whether the smokescope value of current acquisition is less than the minimum value having obtained smokescope value, if be less than the minimum value obtaining smokescope value, then the smokescope value of current acquisition is saved in tables of data as minimum value, if be greater than the minimum value obtaining smokescope value, be then directly saved in tables of data.When the smokescope value obtained reaches preset times, such as 10 times, then calculate the mean value of these 10 smokescope values, if mean value is more than or equal to predetermined threshold value, then can determine to there occurs fire.After 100ms, control module gets the 11st smokescope value, the mean value of the smokescope value obtained from the 2nd time to the 11st time can be calculated, if this mean value is greater than the front mean value calculated for 10 times, then can judge that smokescope value is in ascendant trend.
If S3 judges that the smokescope value in Preset Time is in ascendant trend, control module sends power-off signal to auto-breaking module to disconnect the power supply of household electrical appliance.
Particularly, auto-breaking module disconnects the power supply of household electrical appliance by three kinds of modes.
First kind of way: the power supply directly being disconnected household electrical appliance by on-off switch.Wherein, this on-off switch is connected in the current supply circuit of household electrical appliance.
The second way: auto-breaking module 120 can comprise gate-controlled switch and trigger element.Wherein, one end of gate-controlled switch is connected with the L line of power supply, and another termination GND of gate-controlled switch, the control end of gate-controlled switch is connected with trigger element.Trigger element, when receiving power-off signal, can trigger gate-controlled switch conducting to make L line and the GND short circuit of power supply, to trigger the earth leakage protective device action in family expenses electric power system.Namely when electric household appliance has good earth, by earth leakage protective device action, thus power supply is disconnected.
The third mode: the power supply being disconnected household electrical appliance by the power switch with communication function.Particularly, communicate with household electrical appliance by mobile terminal, the power-off signal that mobile terminal receive sends, thus disconnect power supply.Such as, user controls household electrical appliance by the APP installed in mobile phone, when choosing powered-down option, can control household electrical appliance and disconnecting power supply.
In addition, as shown in Figure 5, the smog detection method of the household electrical appliance of the embodiment of the present invention, also can comprise:
S4, when judging that the smokescope value in Preset Time is in ascendant trend, control module control alarm send warning message.
In addition, control module also can communicate with intelligent terminal.When smokescope value in Preset Time is in ascendant trend, control module can send prompting message to intelligent terminal, with reminding user.
The smog detection method of the household electrical appliance of the embodiment of the present invention, the smokescope of household electrical appliance present position is detected to generate Smoke Detection signal by Smoke Detection module, and send Smoke Detection signal, control module receives Smoke Detection signal to obtain smokescope value, and when smokescope value is more than or equal to predetermined threshold value, if the smokescope value in Preset Time is in ascendant trend, then control module sends power-off signal to auto-breaking module to disconnect the power supply of household electrical appliance, achieve the early warning to fire, thus avoid or reduce the property loss that fire causes domestic consumer.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a mist detecting device for household electrical appliance, is characterized in that, comprising:
Smoke Detection module, for detecting the smokescope of household electrical appliance present position to generate Smoke Detection signal, and sends described Smoke Detection signal;
Auto-breaking module; And
Control module, described control module is connected with described auto-breaking module with described Smoke Detection module respectively, described control module receives described Smoke Detection signal to obtain smokescope value, and when described smokescope value is more than or equal to predetermined threshold value, described control module judges whether the smokescope value in Preset Time is in ascendant trend, and when judging that the smokescope value in described Preset Time is in ascendant trend, described control module sends power-off signal to described auto-breaking module to disconnect the power supply of described household electrical appliance.
2. the mist detecting device of household electrical appliance as claimed in claim 1, it is characterized in that, also comprise alarm, described alarm is connected with described control module, wherein, when judging that the smokescope value in described Preset Time is in ascendant trend, described control module controls described alarm and sends warning message.
3. the mist detecting device of household electrical appliance as claimed in claim 1 or 2, it is characterized in that, described control module also communicates with intelligent terminal, and the smokescope value in described Preset Time is when being in ascendant trend, described control module sends prompting message, with reminding user to described intelligent terminal.
4. the mist detecting device of household electrical appliance as claimed in claim 1, it is characterized in that, described auto-breaking module comprises the power switch with communication function.
5. the mist detecting device of household electrical appliance as claimed in claim 1; it is characterized in that; described auto-breaking module comprises gate-controlled switch and trigger element; one end of described gate-controlled switch is connected with the L line of described power supply; another termination GND of described gate-controlled switch; the control end of described gate-controlled switch is connected with described trigger element; wherein; described trigger element triggers described gate-controlled switch conducting to make L line and the GND short circuit of described power supply when receiving described power-off signal, to trigger the earth leakage protective device action in family expenses electric power system.
6. the mist detecting device of household electrical appliance as claimed in claim 1, it is characterized in that, described auto-breaking module comprises on-off switch, and described on-off switch is connected in the current supply circuit of described household electrical appliance.
7. household electrical appliance, is characterized in that, comprise the mist detecting device of the household electrical appliance according to any one of claim 1-6.
8. a smog detection method for household electrical appliance as claimed in claim 7, is characterized in that, comprises the following steps:
Described Smoke Detection module detects the smokescope of household electrical appliance present position to generate Smoke Detection signal, and sends described Smoke Detection signal;
Described control module receives described Smoke Detection signal to obtain smokescope value, and judges when described smokescope value is more than or equal to predetermined threshold value whether the smokescope value in Preset Time is in ascendant trend; And
If judge that the smokescope value in described Preset Time is in ascendant trend, described control module sends power-off signal to described auto-breaking module to disconnect the power supply of described household electrical appliance.
9. the smog detection method of household electrical appliance as claimed in claim 8, is characterized in that, when described household electrical appliance comprise alarm, also comprise:
When judging that the smokescope value in described Preset Time is in ascendant trend, described control module controls described alarm and sends warning message.
10. the smog detection method of household electrical appliance as claimed in claim 8, it is characterized in that, described control module also communicates with intelligent terminal, and the smokescope value in described Preset Time is when being in ascendant trend, described control module sends prompting message, with reminding user to described intelligent terminal.
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| CN201510395475.XA CN105118221A (en) | 2015-07-03 | 2015-07-03 | Smog detection apparatus for household electrical appliance, household electrical appliance and control method thereof |
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| CN106846704A (en) * | 2016-12-07 | 2017-06-13 | 白鑫 | Smoke alarm unit, the smog warning system based on the device and method |
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| CN110631973A (en) * | 2019-09-30 | 2019-12-31 | 深圳市驰诺科技有限公司 | Smoke detection control method and control device |
| CN110660190A (en) * | 2019-09-29 | 2020-01-07 | 魏海虎 | Monitoring device based on smoke induction |
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