CN108613231A - smoke detection self-starting device and system - Google Patents
smoke detection self-starting device and system Download PDFInfo
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- CN108613231A CN108613231A CN201810364369.9A CN201810364369A CN108613231A CN 108613231 A CN108613231 A CN 108613231A CN 201810364369 A CN201810364369 A CN 201810364369A CN 108613231 A CN108613231 A CN 108613231A
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- comparator
- relay
- circuit
- electric signal
- air cleaning
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The present invention provides a kind of Smoke Detection self-starting device and systems, are related to the technical field of Smoke Detection, which includes detection unit, and the relay being connect with detection unit；Detection unit includes smoke sensor device and comparator；Smoke sensor device is used to detect the concentration parameter of smog in environment, exports electric signal corresponding with concentration parameter, and electric signal is sent to comparator；Comparator sends trigger signal when electric signal is higher or lower than pre-set voltage threshold for receiving electric signal to relay, and triggering normally opened contact makes air cleaning facility act to switch on or off the power path of air cleaning facility.Smoke Detection self-starting device provided by the invention and system can change the operating status of air cleaning facility, help to improve the Experience Degree of user automatically.
Description
Technical field
The present invention relates to the technical fields of Smoke Detection, more particularly, to a kind of Smoke Detection self-starting device and system.
Background technology
Currently, popularizing with kitchen appliance, smoke exhaust ventilator has become kitchen appliance essential to house.Smoke exhaust ventilator
It is a kind of kitchen appliance of purification kitchen environment, in general, smoke exhaust ventilator is mounted on above kitchen range, for what cooking stove burnt
The harmful oil smoke generated in waste and cooking process is taken away rapidly, and discharge is outdoor, reduces pollution, purifies air, and
There are gas defence, the effect of explosion-proof safety guarantee.
But existing smoke exhaust ventilator needs to rely on the manual operation of user, to change operating status, using flexible compared with
Difference reduces the Experience Degree of user.
For above-mentioned since flexibility is poor, the technical problem for causing the Experience Degree of user relatively low not yet proposes have at present
The solution of effect.
Invention content
In view of this, the purpose of the present invention is to provide a kind of Smoke Detection self-starting device and system, it is existing to alleviate
Flexibility poor technical problem when using smoke exhaust ventilator in technology, to improve the Experience Degree of user.
In a first aspect, an embodiment of the present invention provides a kind of Smoke Detection self-starting device, which includes：Detection is single
Member, and the relay that is connect with detection unit, wherein the electricity of one of relay normally opened contact and air cleaning facility
Source switch connects；Above-mentioned detection unit includes smoke sensor device and comparator, and smoke sensor device and relay connect with comparator
It connects；Above-mentioned smoke sensor device is used to detect the concentration parameter of smog in local environment, exports electric signal corresponding with concentration parameter,
And electric signal is sent to comparator；Above-mentioned comparator arrangement has reference circuit, reference circuit to be previously provided with first threshold electricity
Pressure and second threshold voltage；Wherein, first threshold voltage is higher than second threshold voltage；Above-mentioned comparator is used to receive electric signal,
The first trigger signal is sent to relay when electric signal is higher than first threshold voltage, triggering normally opened contact is closed, to connect sky
The power path of gas cleaning equipment starts air cleaning facility；Under above-mentioned air cleaning facility starting state, comparator is also used
In when electric signal is less than second threshold voltage, the second trigger signal is sent to relay, triggering normally opened contact is restored to normally opened
State, to cut off the power path of air cleaning facility.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein on
It is the comparator based on amplifier chip to state comparator；The output end and said reference circuit of above-mentioned smoke sensor device are respectively connected to
Same group of input port of amplifier chip；Above-mentioned relay is connected to output port corresponding with above-mentioned input port.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides second of first aspect
Possible embodiment, wherein said reference circuit includes bleeder circuit and feedback resistance；Wherein, one end of feedback resistance with
Above-mentioned input port connection, the other end of feedback resistance are connect with above-mentioned output port；Above-mentioned bleeder circuit includes fixed partial pressure
Circuit and/or adjustable voltage division circuit；When bleeder circuit includes adjustable voltage division circuit, reference circuit is additionally operable to pass through adjustable partial pressure
Circuit adjusts the sensitivity of smoke sensor device.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiments of first aspect, wherein on
Relay is stated to connect with comparator by first switch circuit；First trigger signal is to trigger the telecommunications of first switch circuit turn-on
Number.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiments of first aspect, wherein on
It further includes the alarm being connect with comparator to state detection unit；Above-mentioned comparator is additionally operable to be higher than first threshold when above electrical signal
When voltage, warning trigger signal is sent to alarm, triggering alarm carries out alarm.
The 4th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 5th kind of first aspect
Possible embodiment, wherein above-mentioned alarm is connect by second switch circuit with comparator；Warning trigger signal is triggering
The electric signal of second switch circuit turn-on.
The 5th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 6th kind of first aspect
Possible embodiment, wherein above-mentioned detection unit further includes the oscillator being connect with comparator, the output end of oscillator and
Two switching circuits connect；Above-mentioned oscillator is used for when second switch circuit turn-on, oscillator signal is sent to alarm, with control
The alarm frequency of alarm.
With reference to first aspect, an embodiment of the present invention provides the 7th kind of possible embodiments of first aspect, wherein on
It further includes power module to state device, and power module is connect with above-mentioned detection unit and above-mentioned relay, is powered to above-mentioned apparatus.
With reference to first aspect, an embodiment of the present invention provides the 8th kind of possible embodiments of first aspect, wherein on
State device and be additionally provided with shell, and with the matched detection probe of shell, detection probe extends to the outside of shell；Wherein, on
Smoke sensor device is stated to be arranged in detection probe, and, detection probe is popped one's head in for hollow out.
Second aspect, the embodiment of the present invention additionally provide a kind of Smoke Detection self-starting system, which, which wraps, states first
Smoke Detection self-starting device described in aspect, further includes air cleaning facility；Wherein, Smoke Detection self-starting device and air
The power switch of cleaning equipment connects.
The embodiment of the present invention brings following advantageous effect：
A kind of Smoke Detection self-starting device provided in an embodiment of the present invention and system, detected by smoke sensor device residing for
The concentration parameter of smog in environment exports electric signal corresponding with concentration parameter, and electric signal is sent to comparator, makes to compare
Device can send the first trigger signal when electric signal is higher than first threshold voltage to relay, and triggering normally opened contact is closed, with
The power path of air cleaning facility is connected, air cleaning facility is started；Under air cleaning facility starting state, work as electric signal
When less than second threshold voltage, comparator can also send the second trigger signal to relay, and triggering normally opened contact is restored to often
To cut off the power path of air cleaning facility the operating status for changing air cleaning facility automatically may be implemented, together in open state
When also improve using flexible and the Experience Degree of user.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those skilled in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structure diagram of Smoke Detection self-starting device provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of another Smoke Detection self-starting device provided in an embodiment of the present invention；
Fig. 3 is a kind of circuit theory schematic diagram of detection part provided in an embodiment of the present invention；
Fig. 4 is a kind of circuit theory schematic diagram of self-starting part provided in an embodiment of the present invention；
Fig. 5 is a kind of circuit theory schematic diagram of Smoke Detection self-starting device provided in an embodiment of the present invention；
Fig. 6 is a kind of outline structural diagram of Smoke Detection self-starting device provided in an embodiment of the present invention；
Fig. 7 is a kind of structure diagram of Smoke Detection self-starting system provided in an embodiment of the present invention.
Icon：10- detection units；20- relays；40- reference circuits；101- smoke sensor devices；102- comparators；103-
Alarm；601- shell covers；602- shells；603- detection probes；604- circuit boards；605- fixing devices；700- Smoke Detections are certainly
Starter；701- air cleaning facilities.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those skilled in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, since existing smoke exhaust ventilator needs the manual operation of dependence user, to change operating status, using flexible
Property is poor, reduces the Experience Degree of user.
Based on this, an embodiment of the present invention provides a kind of Smoke Detection self-starting device and system, can improve using spirit
The Experience Degree of activity and user.
For ease of understanding the present embodiment, first to a kind of Smoke Detection self-starting disclosed in the embodiment of the present invention
Device describes in detail.
Embodiment one：
An embodiment of the present invention provides a kind of Smoke Detection self-starting device, a kind of Smoke Detection as shown in Figure 1 opens certainly
The structure diagram of dynamic device, the device include：Detection unit 10, and the relay 20 that is connect with detection unit 10, wherein after
The power switch of one of electric appliance 20 normally opened contact and air cleaning facility connects.
When specific implementation, above-mentioned detection unit 10 includes smoke sensor device 101 and comparator 102,101 He of smoke sensor device
Relay 20 is connect with comparator 102；Smoke sensor device 101 is used to detect the concentration parameter of smog in local environment, output
Electric signal corresponding with concentration parameter, and electric signal is sent to the comparator 102.
Comparator 102 is configured with reference circuit 40, and reference circuit 40 is previously provided with first threshold voltage and second threshold
Voltage；Wherein, first threshold voltage is higher than second threshold voltage；Comparator 102 is for receiving electric signal, when electric signal is higher than the
The first trigger signal is sent to relay 20 when one threshold voltage, triggering normally opened contact is closed, to connect air cleaning facility
Power path starts air cleaning facility；Under air cleaning facility starting state, comparator 102 is additionally operable to when electric signal is low
When second threshold voltage, the second trigger signal is sent to relay, triggering normally opened contact is restored to normally open, to cut off sky
The power path of gas cleaning equipment.
A kind of Smoke Detection self-starting device provided in an embodiment of the present invention is detected by smoke sensor device in local environment
The concentration parameter of smog exports electric signal corresponding with concentration parameter, and electric signal is sent to comparator；So that comparator connects
Electric signal is received, the first trigger signal is sent to relay when electric signal is higher than first threshold voltage, triggering normally opened contact closes
It closes, to connect the power path of air cleaning facility, starts air cleaning facility；Under air cleaning facility starting state, when
When electric signal is less than second threshold voltage, the second trigger signal is sent to relay, triggering normally opened contact is restored to normally open,
To cut off the power path of air cleaning facility, the operating status of air cleaning facility can be changed automatically, also improved simultaneously
The Experience Degree of using flexible and user.
When specific implementation, comparator provided in an embodiment of the present invention can be the comparator based on amplifier chip；Smog passes
The output end and reference circuit of sensor are respectively connected to same group of input port of amplifier chip；Relay is connected to and input terminal
The corresponding output port of mouth, forms the detection part of entire Smoke Detection self-starting device, relay can pass through first switch
Circuit is connect with comparator；First trigger signal is to trigger the electric signal of first switch circuit turn-on.
Usual amplifier chip is to use very extensive linear integrated circuit, can lead to too small amount of Resistor-Capacitor Unit
The function of realizing comparator, greatly reduces cost, while a small amount of capacitance resistance ware can also reduce the fault point of entire circuit,
Improve reliability.
Further, said reference circuit includes bleeder circuit and feedback resistance；Wherein, one end of feedback resistance and input terminal
Mouth connection, the other end of feedback resistance are connect with output port；Wherein, above-mentioned output port is the output end with smoke sensor device
The corresponding output port of input port of connection；Bleeder circuit includes fixed partial pressure circuit and/or adjustable voltage division circuit；Work as partial pressure
When circuit includes adjustable voltage division circuit, reference circuit is additionally operable to adjust the sensitivity of smoke sensor device by adjustable voltage division circuit.
When specific implementation, above-mentioned first threshold voltage can be obtained by bleeder circuit, and above-mentioned second threshold voltage can pass through setting
The resistance value of feedback resistance obtains.
When specific implementation, in order to be turned on and off air cleaning facility, another kind smog inspection shown in Fig. 2 at the first time
It surveys in the structure diagram of self-starting device, above-mentioned detection unit 10 further includes the alarm 103 being connect with comparator 102.
Above-mentioned comparator 102 is additionally operable to when electric signal is higher than first threshold voltage, and alarm triggering is sent to alarm 103
Signal；Alarm 103 is used for when receiving warning trigger signal, alarm is triggered, to prompt to alarm.When specific implementation, report
Alert device can be connect by second switch circuit with comparator；Warning trigger signal is to trigger the telecommunications of second switch circuit turn-on
Number.
In order to make it easy to understand, Fig. 3 shows that a kind of circuit theory schematic diagram of detection part, the part include aforementioned smog
Sensor, reference circuit, comparator, alarm and second switch circuit.
As shown in Figure 3, wherein MQ is smoke sensor device, and U10 is comparator；Smoke sensor device MQ connects point with resistance R3
It is connect with 3 feet of comparator U10 after pressure；Resistance R1, R2, R14 and variable resistance R20 form reference circuit, with comparator
2 feet of U10 connect, wherein 2 feet of comparator U10 and the same group of input port that 3 feet of comparator U10 are amplifier chip.
When specific implementation, resistance R1 and resistance R2 are composed in series fixed partial pressure circuit, resistance R2, resistance R14 and can power transformation
It hinders R20 and forms adjustable voltage division circuit.
In view of saving element, the purpose of cost is reduced, when actual circuit plate welds, needs to adjust smoke sensor device
When sensitivity, can only welding kesistance R2, resistance R14 and variable resistance R20, welding kesistance R1, does not then pass through variable resistance
R20 adjusts the voltage threshold of reference circuit, realizes the adjustment of sensitivity of smoke sensor device；When without adjusting sensitivity, then not
Weld variable resistance R20 and resistance R14, welding kesistance R1 and resistance R2.
U10 is comparator, be detection part core element, realized using amplifier chip, model can be LM358 or
The amplifier chips such as LM324.Wherein, for convenience of description, the comparator shown in Fig. 3 is two-way input and output amplifier chip composition
Comparator, in other embodiments, the parameter and signal of amplifier chip can also have other forms, also, its packing forms
Such as patch-type or direct plugging-in, can also carry out select and set according to actual needs, the embodiment of the present invention to this without
Limitation.
Triode Q3, resistance R13 and resistance R10 form second switch circuit；P1 is buzzer, buzzer P1, triode
Q2 and resistance R11 form alarm, wherein the alarm described in the embodiment of the present invention removes buzzer shown in Fig. 3, may be used also
To be other audible-visual annunciators, to realize prompt facility.
It is also associated with feedback resistance in the triggering end of second switch circuit and the output end of smoke sensor device, as shown in Figure 3
Resistance R15, main purpose is to generate return difference, wherein in circuit theory schematic diagram shown in Fig. 3, R15 and comparator
The positive input pin of U10 connects, and feedback resistance is positive feedback resistor at this time, by comparing the cooperation of device and the positive feedback resistor,
During the electric signal that can be exported in smoke sensor device changes from low to high so that comparator has higher first threshold electricity
Pressure, further, during the electric signal of smoke sensor device output changes from high to low so that comparator has lower second
Threshold voltage, meanwhile, when the change in electric of smoke sensor device output is slow, in first threshold voltage or second threshold electricity
The Near The Critical Point of pressure not will produce concussion or vacillate, and improve stability；Before and after also making detection smog alarm simultaneously, point
There is not corresponding alarm start and stop voltage threshold, improves the Stability and dependability of whole device.
When specific implementation, above-mentioned feedback resistance can also be connect with the negative input pin of comparator, form negative feedback resistor,
Its resistance value can be determined according to first threshold voltage and second threshold voltage, the type of attachment and resistance value of specific feedback resistance
It can be configured according to actual conditions, it is not limited by the embodiments of the present invention.
Further, above-mentioned Smoke Detection self-starting device can also include the oscillator being connect with comparator so that oscillation
The output end of device is connect with second switch circuit；When specific implementation, oscillator can be square-wave oscillator, for working as second switch
Oscillator signal is sent to alarm when circuit turn-on, to control the alarm frequency of alarm.
Specifically, as shown in figure 3, capacitance C1 and resistance R6, resistance R7, resistance R8 and resistance R9 form the present invention in fact
The oscillator in example is applied, another group of input port connection of oscillator and comparator passes through corresponding output port and exports oscillation
Signal, the 7th pin of comparator U10 as shown in Figure 3, when specific implementation, the frequency of oscillator signal can be according to actual use
Situation is configured, as by the way that the capacitance of capacitance C1 is arranged or changes the resistance value of other resistance come realizing different frequency
The output of oscillator signal, to control the period of the prompt tone of buzzer.
In order to make it easy to understand, on the basis of Fig. 3, Fig. 4 shows a kind of circuit theory schematic diagram of self-starting part, packet
Include relay, first switch circuit, and the air cleaning facility being connect with relay power switch constitute access.Its
In, close to the triggering end comparator connection as shown in figure 3 of resistance R4, specifically, it is connect with the first pin of comparator U10.
K1 is relay, and P is the power switch of air purifier equipment；Triode Q1, resistance R4 and resistance R5 composition the
One switching circuit, meanwhile, in order to make relay when power is off, the energy stored in coil can safe release, can also be
One diode D1 of coil both ends parallel connection of relay, such as the Schottky diode of model SS14, to increase the safety of circuit
Property.
When specific implementation, comparator U10 exports trigger signal, and trigger triode Q1 is connected, after triode Q1 conductings, relay
The coil turn-on action of device K1, triggering normally opened contact action, to switch on or off the power path of air cleaning facility, to realize
The self-starting of air cleaning facility.
On the basis of Fig. 3 and Fig. 4, it is former that the embodiment of the present invention additionally provides a kind of circuit of Smoke Detection self-starting device
Schematic diagram is managed, as shown in figure 5, the circuit theory schematic diagram including detection part shown in Fig. 3 and self-starting shown in Fig. 4
Partial circuit theory schematic diagram.
When specific implementation, above-mentioned Smoke Detection self-starting device further includes power module, aforementioned comparator, smog sensing
Device, relay, alarm and oscillator are connect with power module, are powered by the power module.Shown in fig. 5
In circuit theory schematic diagram, power module includes connecting terminal J1 and capacitance C2 and capacitance C3.In actual use, above-mentioned
Connecting terminal J1 can be connect with matched power supply adaptor, access power supply, such as 5V power supplies, realized and examined to smog
Survey self-starting device power supply.
When specific implementation, the circuit theory schematic diagram of Smoke Detection self-starting device shown in fig. 5 can be passed by smog
Sensor detects the concentration parameter of smog in local environment, exports electric signal corresponding with concentration parameter, and electric signal is sent to
Comparator；So that comparator receives electric signal, the first triggering is sent to relay when electric signal is higher than first threshold voltage
Signal, triggering normally opened contact are closed, and to connect the power path of air cleaning facility, start air cleaning facility；It is net in air
Change under equipment starting state, when electric signal is less than second threshold voltage, sends the second trigger signal to relay, triggering is normally opened
Contact is restored to normally open, to cut off the power path of air cleaning facility, effectively changes the operation shape of air cleaning facility
State.
When specific implementation, the circuit structures such as above-mentioned comparator, relay, alarm and oscillator can be printed on circuit board
On, which is arranged in a shell, to realize the function of Smoke Detection self-starting.Therefore, above-mentioned Smoke Detection opens certainly
Dynamic device is additionally provided with shell.
Fig. 6 shows a kind of outline structural diagram of Smoke Detection self-starting device, wherein above-mentioned shell includes shell cover
601 and shell 602, and with the matched detection probe 603 of shell, detection probe 603 extends to the outside of shell.Comparator,
Relay and alarm are arranged in the inside of shell, and circuit board 604 shown in fig. 6 can be that circuit diagram shown in Fig. 5 corresponds to
Circuit board.Smoke sensor device is arranged in detection probe 603, and detection probe can be arranged to engraved structure, in order to smog
Sensor comes into full contact with smog, detects the concentration parameter of smog.
Further, it is contemplated that the phenomenon that circuit board can be corroded by influences such as water mist smog, the inside of above-mentioned shell
Encapsulating processing can also be carried out, is sealed.
It is fixed and installs for the ease of above-mentioned Smoke Detection self-starting device, it can be in the outer surface of above-mentioned shell
It is provided with fixing device 605 so that Smoke Detection self-starting device can be fixed and installed by fasteners such as screws.
It should be appreciated that above-mentioned Fig. 3, Fig. 4 and circuit diagram shown in fig. 5 are only provided in an embodiment of the present invention one
The model and parameter of kind preferred form, Resistor-Capacitor Unit and diode and triode can be carried out according to actual use situation
Setting；Further, contour structures shown in fig. 6 and a kind of preferred form of the embodiment of the present invention, in other embodiment
In, above-mentioned detection probe can also be arranged in other sides of shell, meanwhile, above-mentioned fixing device can also be according to actual use
Demand is arranged to other forms, and it is not limited by the embodiments of the present invention.
Embodiment two：
On the basis of the above embodiments, the embodiment of the present invention additionally provides a kind of Smoke Detection self-starting system, such as Fig. 7
Shown in a kind of structure diagram of Smoke Detection self-starting system, including described in above-described embodiment one Smoke Detection self-starting dress
700 are set, further includes air cleaning facility 701.
When specific implementation, above-mentioned air cleaning facility can be the equipment such as the ventilating fan of smoke exhaust ventilator, air circulation system,
Above-mentioned Smoke Detection self-starting device is used to detect the concentration parameter of smog in local environment, when the corresponding electric signal of concentration parameter
When higher than first threshold voltage, trigger relay normally opened contact is closed, and the power path of air cleaning facility is connected, to start sky
Gas cleaning equipment；In the state that air cleaning facility starts, when electric signal is less than second threshold voltage, trigger relay is normal
It opens contact and is restored to normally open, cut off the power path of air cleaning facility, to close air cleaning facility.
Smoke Detection self-starting system provided in an embodiment of the present invention, the Smoke Detection self-starting provided with above-described embodiment
Device technical characteristic having the same reaches identical technique effect so can also solve identical technical problem.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process, can refer to previous embodiment in corresponding process, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.To those skilled in the art, it can understand above-mentioned term in the present invention with concrete condition
Concrete meaning.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
Finally it should be noted that：Above example, only specific implementation mode of the invention, to illustrate the skill of the present invention
Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into
Go detailed description, it should be understood by those skilled in the art that：Any one skilled in the art takes off in the present invention
In the technical scope of dew, it can still modify to the technical solution recorded in previous embodiment or can readily occur in change
Change or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make relevant art
Scheme essence be detached from technical solution of the embodiment of the present invention spirit and scope, should all cover protection scope of the present invention it
It is interior.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of Smoke Detection self-starting device, which is characterized in that described device includes：Detection unit, and with the detection
The relay of unit connection, wherein the power switch of one of described relay normally opened contact and air cleaning facility connects
It connects；
The detection unit includes smoke sensor device and comparator, the smoke sensor device and the relay with the comparison
Device connects；
The smoke sensor device is used to detect the concentration parameter of smog in local environment, exports electricity corresponding with the concentration parameter
Signal, and the electric signal is sent to the comparator；
The comparator arrangement has reference circuit, the reference circuit to be previously provided with first threshold voltage and second threshold electricity
Pressure；Wherein, the first threshold voltage is higher than the second threshold voltage；
The comparator is for receiving the electric signal, when the electric signal is higher than the first threshold voltage to the relay
Device sends the first trigger signal, triggers the normally opened contact and is closed, and to connect the power path of the air cleaning facility, starts
The air cleaning facility；
Under the air cleaning facility starting state, the comparator is additionally operable to be less than the second threshold when the electric signal
When voltage, the second trigger signal is sent to the relay, the normally opened contact is triggered and is restored to normally open, described in cut-out
The power path of air cleaning facility.
2. the apparatus according to claim 1, which is characterized in that the comparator is the comparator based on amplifier chip；
The output end of the smoke sensor device and the reference circuit are respectively connected to same group of input terminal of the amplifier chip
Mouthful；
The relay is connected to output port corresponding with the input port.
3. the apparatus of claim 2, which is characterized in that the reference circuit includes bleeder circuit and feedback resistance；
Wherein, one end of the feedback resistance is connect with the input port, the other end of the feedback resistance and the output port
Connection；
The bleeder circuit includes fixed partial pressure circuit and/or adjustable voltage division circuit；
When the bleeder circuit includes the adjustable voltage division circuit, the reference circuit is additionally operable to through adjustable partial pressure electricity
Road adjusts the sensitivity of the smoke sensor device.
4. the apparatus according to claim 1, which is characterized in that the relay passes through first switch circuit and the comparison
Device connects；First trigger signal is to trigger the electric signal of the first switch circuit turn-on.
5. the apparatus according to claim 1, which is characterized in that the detection unit further includes being connect with the comparator
Alarm；
The comparator is additionally operable to when the electric signal is higher than the first threshold voltage, and sending alarm to the alarm touches
It signals, triggers the alarm and carry out alarm.
6. device according to claim 5, which is characterized in that the alarm passes through second switch circuit and the comparison
Device connects；The warning trigger signal is to trigger the electric signal of the second switch circuit turn-on.
7. device according to claim 6, which is characterized in that the detection unit further includes being connect with the comparator
Oscillator, the output end of the oscillator are connect with the second switch circuit；
The oscillator is used for when the second switch circuit turn-on, oscillator signal is sent to the alarm, to control
State the alarm frequency of alarm.
8. the apparatus according to claim 1, which is characterized in that described device further includes power module, the power module
It connect with the detection unit and the relay, powers to described device.
9. the apparatus according to claim 1, which is characterized in that described device is additionally provided with shell, and with the shell
Matched detection probe, the detection probe extend to the outside of the shell；
Wherein, the smoke sensor device is arranged in the detection probe, and, the detection probe is popped one's head in for hollow out.
10. a kind of Smoke Detection self-starting system, which is characterized in that the system comprises claim 1~9 any one of them
Smoke Detection self-starting device further includes air cleaning facility；
Wherein, the Smoke Detection self-starting device is connect with the power switch of the air cleaning facility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364369.9A CN108613231A (en) | 2018-04-20 | 2018-04-20 | smoke detection self-starting device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364369.9A CN108613231A (en) | 2018-04-20 | 2018-04-20 | smoke detection self-starting device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108613231A true CN108613231A (en) | 2018-10-02 |
Family
ID=63660813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810364369.9A Pending CN108613231A (en) | 2018-04-20 | 2018-04-20 | smoke detection self-starting device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108613231A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204786665U (en) * | 2015-06-18 | 2015-11-18 | 浙江大学城市学院 | Oil temperature detection device and installation device's lampblack absorber |
| CN206310557U (en) * | 2016-06-18 | 2017-07-07 | 北京鑫厨万佳厨房设备有限公司 | Enclosure is washed in energy-conserving and environment-protective |
| CN206831607U (en) * | 2017-03-06 | 2018-01-02 | 厦门理工学院 | Can alarm intelligent smoke exhaust ventilator |
| CN208124401U (en) * | 2018-04-20 | 2018-11-20 | 广州晓谷川骐通信技术有限公司 | smoke detection self-starting device and system |
-
2018
- 2018-04-20 CN CN201810364369.9A patent/CN108613231A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204786665U (en) * | 2015-06-18 | 2015-11-18 | 浙江大学城市学院 | Oil temperature detection device and installation device's lampblack absorber |
| CN206310557U (en) * | 2016-06-18 | 2017-07-07 | 北京鑫厨万佳厨房设备有限公司 | Enclosure is washed in energy-conserving and environment-protective |
| CN206831607U (en) * | 2017-03-06 | 2018-01-02 | 厦门理工学院 | Can alarm intelligent smoke exhaust ventilator |
| CN208124401U (en) * | 2018-04-20 | 2018-11-20 | 广州晓谷川骐通信技术有限公司 | smoke detection self-starting device and system |
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