CN102854224A - Smog sensor device - Google Patents
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- CN102854224A CN102854224A CN2012103168039A CN201210316803A CN102854224A CN 102854224 A CN102854224 A CN 102854224A CN 2012103168039 A CN2012103168039 A CN 2012103168039A CN 201210316803 A CN201210316803 A CN 201210316803A CN 102854224 A CN102854224 A CN 102854224A
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Abstract
The invention provides a smog sensor device, which belongs to the technical field of coal mining safety facilities. The smog sensor device comprises a smoke gathering hood, a smoke sensing probe seat, a circuit board, a soaring housing with a soaring cavity and a power supply and signal line interface unit, wherein a smoke sensing probe seat matching chamber is formed in the central part of the smoke gathering hood, a smoke gathering drum extends out from one side of the smoke gathering hood, the sidewall of the smoke gathering drum is provided with a set of lateral smoke inlet holes, the bottom of the smoke gathering drum is provided with a set of vertical smoke inlet holes, the smoke sensing probe seat cooperates with the smoke sensing probe seat matching chamber, a smoke sensing probe matching hole is provided at the center of the smoke sensing probe seat and is communicated with the smoke gathering drum, the circuit board comprises a power module circuit, a heating time-delay and alarm output circuit used for outputting alarm voltage Vout and a smog sensor module circuit used for outputting signal voltage Vout1, the soaring housing is fixed with the smoke gathering hood, a suspension hook is fixed on a top wall of the soaring housing and the power supply and signal line interface unit is arranged on the top wall of the soaring housing. The smog sensor device provided by the invention has the following advantages: a smoke sensing probe is allowed to sense smog in time; installation is convenient; and good reliability is obtained.
Description
Technical field
The invention belongs to the coalmining safety facility technical field, be specifically related to a kind of smoke sensor
Background technology
As is known in the industry, unavoidably contain inflammable gas under the coal mine in the environmental gas, when running into natural conditions and satisfy kindling point, dieseling can occur; Again, coal winning machinery, conveyer tool etc. can produce smog because of heating; And, the generation of static electricity Ignition phenomenon; Also, the spark of electrical control equipment also can cause burning and even blast.In a word, all fireproof zones that needs are equipped with smoke transducer usually.
In published Chinese patent literature, can be seen in the technical information that is applicable to the smoke transducer under the coal mine, " explosion-proof smoke sensor " typically recommended such as Granted publication CN2199567Y, the shortcoming that this patent scheme exists can be remedied by " a kind of novel smoke transducer " that Granted publication CN202362290U provides basically.But there is following shortcoming in the technical scheme that this CN202362290U provides: one, because smog can only enter and can not enter from sidepiece simultaneously from the bottom opening of remittance petticoat pipe (patent claims protective cover), therefore smog is entered and converge petticoat pipe and have fastidious property on the direction, especially when converge the side of petticoat pipe when producing smog because can not in time or can't being found out by smog, thereby lose disposal opportunity of preciousness; Its two because smog probe needs to install by means of securing member, therefore trouble comparatively; They are three years old, the patent scheme does not provide the technology enlightenment of the interface arrangement of power lead and signal wire, yet in the use procedure of reality, the sealing of interface arrangement and can produce corresponding impact to smoke transducer to a great extent to the quality of the locating effect of power lead and signal wire, for example, if lose reliably the location of power lead and signal wire, can occur so and the circuit board of inside between produce the anxiety of minute taking off, the smog probe is performed practically no function, and for example, if can not bring into play desirable sealing effectiveness, so extraneous trifle in the world is attacked inner circuit board, affects the reliability of its work.
In view of the shortcoming that above-mentioned prior art exists, the applicant has done positive and useful design, has formed technical scheme described below
Summary of the invention
Top priority of the present invention be to provide a kind of help to improve converge fastidious property that the remittance cigarette effect and using of petticoat pipe avoids the smog source direction, need not to rely on any securing member to install to converge the cigarette probe and use convenience and the rational smoke sensor of circuit structure that embodies assembling.
Another task of the present invention is to provide a kind of being conducive to that power lead and signal wire are reliably located and be of value to the smoke sensor that ensures desirable sealing effectiveness.
For top priority of the present invention is finished in embodiment, technical scheme provided by the invention is: a kind of smoke sensor, comprise a remittance petticoat pipe, the central authorities of this remittance petticoat pipe consist of a smog probe socket mating cavity, and converge petticoat pipe under the use state towards under a side and be extended with one in the position corresponding to smog probe socket mating cavity and converge chimney, on the sidewall of this remittance chimney and around converging the circumferencial direction of chimney, offer one group of side direction smoke intaking hole with the interval state, and offer a vertical smoke intaking hole converging the middle position of bottom of chimney; One smog probe socket, this smog probe socket matches with described smog probe socket mating cavity, and offers smog probe mating holes in the central authorities of this smog probe socket, and this smog probe mating holes communicates with described remittance chimney; One circuit board, this circuit board is corresponding to the top of described smog probe socket, and fix with described remittance petticoat pipe, described circuit board comprises power module circuitry, the heating time-delay that is used for output alarm voltage Vout and alarm output circuit and for the smoke transducer modular circuit of output signal voltage Vout1, the heating time-delay is connected with the smoke transducer modular circuit with alarm output circuit, power module circuitry is connected with alarm output circuit and smoke transducer modular circuit with the heating time-delay, and described heating time-delay and alarm output circuit and smoke transducer modular circuit are powered; One has the case that soars in the chamber of soaring, and this soar case and described remittance petticoat pipe are fixed, and described smog probe socket and circuit board covered protects, and is fixed with a suspension hook at the roof of the case that soars; One power supply and signal wire interface device, this power supply and signal wire interface device are arranged on the roof of the described case that soars.
For another task of the present invention is finished in embodiment, technical scheme provided by the invention is: described power supply and signal wire interface device comprise swivel nut, gripping sleeve, sealed shield and set nut with cable-through hole, the roof of swivel nut and the described case that soars is fixed, gripping sleeve is embedded on the swivel nut, sealed shield places in the gripping sleeve, set nut matches with swivel nut, described gripping sleeve is insinuated in the set nut chamber of set nut, and when set nut with the sun during turn, gripping sleeve shrinks to the center, and when against the sun turn of set nut, gripping sleeve is replied, described gripping sleeve is that finger-like formula structure and material are nylon or plastics, and described sealed shield is the film cover of rubber mass.
In a specific embodiment of the present invention, described smog probe socket consists of towards a side of described remittance petticoat pipe and in the position corresponding to described smog probe socket mating cavity a matching seat, and this matching seat matches with smog probe socket mating cavity.
In another specific embodiment of the present invention, formation has a mounting flange limit in the bottom of the described case that soars, on this mounting flange limit, offer one group of case fixed orifice that soars with the interval state, offer one group with the interval state and converge the petticoat pipe fixed orifice at the marginal position of described remittance petticoat pipe and around converging the circumferencial direction of petticoat pipe, this group remittance petticoat pipe fixed orifice is corresponding with the case fixed orifice that soars, and is fixedly connected with remittance petticoat pipe fixed orifice by gib screw.
In another specific embodiment of the present invention, also be equipped with a spare interface device on the roof of the described case that soars, this spare interface device is corresponding with described power supply and signal wire interface device, and the structure of described spare interface device is identical with the structure of described power supply and signal wire interface device.
In another specific embodiment of the present invention, the global shape of described remittance petticoat pipe is just as the shape of inverted bamboo hat.
Also have in the specific embodiment of the present invention, described power module circuitry comprises diode D7, D8, capacitor C 1, C2, inductance L 1 and voltage-releasing voltage stabilizer U8, the positive pole of diode D7 meets direct supply+12V, the negative pole of diode D7 connects the positive pole of capacitor C 1 and 1 pin of voltage-releasing voltage stabilizer U8,2 pin of voltage-releasing voltage stabilizer U8 connect the negative pole of diode D8 and an end of inductance L 1, the positive pole of another termination capacitor C 2 of inductance L 1 and 4 pin of voltage-releasing voltage stabilizer U8 and output DC source VCC, the negative pole of capacitor C 1,3 of voltage-releasing voltage stabilizer U8,5 pin, the negative pole common ground of the positive pole of diode D8 and capacitor C 2.
More of the present invention and in specific embodiment, described heating time-delay and alarm output circuit comprise resistance R 3～R13, R16～R18, rheostat R19, capacitor C 3～C5, diode D1～D6, operational amplifier U1A, U1B, U2A, U2B, U3A, U3B, triode Q1 and dichromatic LED, 1 pin of one termination dichromatic LED of resistance R 3, the end of 2 pin connecting resistance R16 of dichromatic LED, 7 pin of another termination operational amplifier U1B of resistance R 16 and the negative pole of diode D1,6 pin of operational amplifier U1B and 2 pin of operational amplifier U1A, one end of resistance R 5,6 pin of operational amplifier U2B, 2 pin of operational amplifier U2A and an end of resistance R 6 connect, the end of the 1 pin connecting resistance R18 of operational amplifier U1A and 3 pin of dichromatic LED, the base stage of another termination triode Q1 of resistance R 18, the end of the collector connecting resistance R17 of triode Q1 is also exported described alarm voltage Vout, be used for connecting the next stage control device, 3 pin of operational amplifier U1A and an end of capacitor C 3, one end of resistance R 4, one end of resistance R 9 and the positive pole of diode D1 connect, the negative pole of another terminating diode D2 of resistance R 9, the positive pole of diode D2 connects 7 pin of operational amplifier U3B, the end of the 6 pin connecting resistance R13 of operational amplifier U3B and an end of resistance R 12,1 of the other end of resistance R 13 and rheostat R19,3 pin of 2 pin and operational amplifier U3A connect, 1 pin of operational amplifier U3A connects the negative pole of diode D5, one end of the positive pole of diode D5 and resistance R 8, one end of resistance R 7 and the positive pole of diode D4 connect, the negative pole of another terminating diode D3 of resistance R 8 and 5 pin of operational amplifier U2B, the positive pole of diode D3 connects 5 pin of operational amplifier U1B and 7 pin of operational amplifier U2B, the negative pole of diode D4 connects 1 pin of operational amplifier U2A, 3 pin of operational amplifier U2A and an end of resistance R 10, the positive pole of the positive pole of diode D6 and capacitor C 4 connects, 2 pin of operational amplifier U3A and 5 pin of operational amplifier U3B, one end of capacitor C 5 and an end of resistance R 11 connect, the signal voltage Vout1 of described smoke transducer modular circuit 43 outputs of another termination of resistance R 11, the other end of resistance R 17,8 pin of operational amplifier U1A, the other end of resistance R 5, the other end of resistance R 7,8 pin of operational amplifier U3A, 8 pin of operational amplifier U2A, the other end of resistance R 10, the other end of the negative pole of diode D6 and resistance R 12 meets direct supply VCC jointly, the other end of resistance R 3, the emitter of triode Q1,4 pin of operational amplifier U1A, the other end of capacitor C 3, the other end of resistance R 4, the other end of resistance R 6,4 pin of operational amplifier U3A, the other end of capacitor C 5, the negative pole of capacitor C 4, the 4 pin common grounds of 3 pin of rheostat R19 and operational amplifier U2A.
In of the present invention and then specific embodiment, described smoke transducer modular circuit comprises resistance R 14, R15, touch-switch S1 and smog probe, the end of the one end connection touch-switch S1 of resistance R 14 and 4,6 pin of smog probe are also exported described signal voltage Vout1, the end of 5 pin connecting resistance R15 of smog probe, 1,2,3 pin of smog probe, the other end of touch-switch S1 meet direct supply VCC, the other end common ground of the other end of resistance R 14 and resistance R 15 jointly.
Of the present invention again more and in specific embodiment, offer a double-colored light emitting diode accommodation hole at described remittance petticoat pipe, the dichromatic LED of described heating time-delay and alarm output circuit is embedded in the dichromatic LED accommodation hole, and the smog of described smoke transducer modular circuit probe is contained in the described smog probe mating holes.
Technical scheme provided by the invention has been owing to having made rational modification to the structure of the cover that confluxes, and helps smog to enter from converging sidepiece and the bottom of chimney, thereby remedied the fastidious property to direction, makes the smog timely perception smog of popping one's head in; Because the smog probe need not to rely on securing member and can be arranged at easily on the smog probe socket, therefore install very convenient; Because the circuit structure of the circuit board that provides is reasonable, therefore has good reliability.
Description of drawings
Fig. 1 is the embodiments of the invention structural drawing.
Fig. 2 is the theory diagram of circuit board of the present invention.
Fig. 3 is the electrical schematic diagram of power module circuitry shown in Figure 2.
Fig. 4 is heating time-delay shown in Figure 2 and the electrical schematic diagram of alarm output circuit.
Fig. 5 is the electrical schematic diagram of smoke transducer modular circuit shown in Figure 2.
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the present invention program to the description of embodiment, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
See also Fig. 1, provided a remittance petticoat pipe 1, middle position at this remittance petticoat pipe 1 offers a smog probe socket mating cavity 11, and converge petticoat pipe 1 the use state namely under the location status shown in Figure 1 towards under a side and be extended with one in the position corresponding to smog probe socket mating cavity 11 and converge chimney 12, on the sidewall of this remittance chimney 12 and around converging the circumferencial direction of chimney 12, offer one group of side direction smoke intaking hole 121 with the interval state, and offer a vertical smoke intaking hole 122 converging the middle position of bottom of chimney 12.Coming from remittance chimney 12 smog on every side can enter in the cavity volume of remittance chimney 12 from side direction smoke intaking hole 121, can enter in the cavity volume of remittance chimney 12 from vertical smoke intaking hole 122 and come from the corresponding smog that converges chimney 12 belows.
Shown in figure, the shape of whole remittance petticoat pipe 1 is just as the shape of inverted bamboo hat, but both reduced volume of this shape can be improved again smog and enter the effect of converging in the chimney 12.Offer one group with the interval state and converge petticoat pipe fixed orifice 13 converging the marginal position of circumferencial direction of petticoat pipe 1, and converge petticoat pipe fixed orifice 13 at each and be equipped with gib screw 131.On remittance petticoat pipe 1, also offer a double-colored light emitting diode accommodation hole 14 again.And, offer set of circuits plate fixing screw hole 15 at remittance petticoat pipe 1, be equipped with circuit board gib screw 151 at each circuit board fixing screw hole 15.
The smog probe socket 2 that one central authorities offer smog probe mating holes 21 matches with remittance petticoat pipe 1, specifically consist of towards a side of remittance petticoat pipe 1 and in the position corresponding to aforesaid smog probe socket mating cavity 11 at smog probe socket 2 matching seat 22 is arranged, this matching seat 22 is placed in the smog probe socket mating cavity 11, and namely matching seat 22 and smog probe socket mating cavity 11 are fitted to each other just as the effect as the Tenon.Aforesaid smog probe mating holes 21 corresponds to each other with vertical smoke intaking hole 122.
The smog probe 431 of the smoke transducer modular circuit 43 of the circuit board 4 that the below also will describe is contained in the smog probe mating holes 21.Preferably, at the smog 431 outer guards 4311 that arrange of popping one's head in.The dichromatic LED 421 of heating time-delay and alarm output circuit 42 is corresponding to the top of smog probe socket 2, offer fixed orifice 44 on circuit board 4 and in the position corresponding to aforesaid circuit board fixing screw hole 15, aforesaid circuit board gib screw 151 probes into fixed orifice 44 and is limited by nut 1511.Dichromatic LED 421 is inserted and is embedded in the aforesaid dichromatic LED accommodation hole 14.
Please continue to see Fig. 1, provided the case 3 that soars, this case 3 that soars has the chamber of soaring 31, and the roof at the case 3 that soars is fixed with a suspension hook 32, and in the bottom of the case 3 that soars formation one mounting flange limit 33 is arranged, and spaced apart one group of position and the aforesaid corresponding case fixed orifice 331 that soars of cover fixed orifice 13 that confluxes of being provided with on mounting flange limit 33, aforesaid gib screw 131 screws in the case fixed orifice 331 that soars, thus the case 3 that will soar is with to converge petticoat pipe 1 fixing.Play the effect of protecting of covering to circuit board 4, smog probe 431 and smog probe socket 2 by the chamber 31 of soaring.
Be that roof offers an interface mounting hole 34 at aforesaid top of soaring case 3, be provided with a power supply and signal wire interface device 5 at this interface mounting hole 34, this power supply and signal wire interface device 5 comprise swivel nut 51, gripping sleeve 52, sealed shield 53 and set nut 54, the lower end of swivel nut 51 probes into the chamber 31 and limit with limiting nut 511 of soaring from described interface mounting hole 34, and the upper end of swivel nut 51 leans out outside the chamber 31 of soaring, gripping sleeve 52 is inserted the upper end that is embedded in swivel nut 51, and this gripping sleeve 52 is finger-like formula structure, material is nylon or plastics, and the finger-like formula structure of saying here refers to that gripping sleeve 52 has one group of finger that is circumferential arrangement.Sealed shield 53 places in the gripping sleeve 52, and offers one at the top of sealing guard shield 53 and be used for the cable-through hole 531 that power supply source line and signal wire pass through.Preferably, the film-form guard shield of sealed shield 53 for adopting rubber to make.Set nut 54 has a set nut chamber 541, this set nut 54 and swivel nut 51 threaded engagement, and the top of aforesaid gripping sleeve 52 is positioned at set nut chamber 541.When to clockwise direction turn set nut 54, gripping sleeve 52 just draws (closing up) just as the effect as people's the finger in towards center position, otherwise when set nut 54 during to the counter clockwise direction turn, then gripping sleeve 52 discharges i.e. answer.As seen, gripping sleeve 52 can play reliable locating effect to power lead and signal wire, and sealed shield 53 plays the sealing protection effect, namely stops outside trifle in the world steam etc. to enter and soars chamber 31 and even affect circuit board 4.
On the roof of case 3 that soars and in the position corresponding to power supply and signal wire interface device 5, also be provided with fully identical with power supply and the signal wire interface device 5 spare interface device 6 of a structure, when needed, this spare interface device 6 is used for being connected usefulness with another smoke sensor of the present invention, and output signal.
See also Fig. 2, provided the circuit structure of aforesaid circuit board 4, comprise power module circuitry 41, heating time-delay and alarm output circuit 42 and smoke transducer modular circuit 43, the heating time-delay is connected with smoke transducer modular circuit 43 with alarm output circuit 42, smoke transducer modular circuit 43 is used for gathering the smog situation under the current environment, sends a signal to heating time-delay and alarm output circuit 42.The heating time-delay compares the judgement processing with the signal that 42 pairs of smoke transducer modular circuits 43 of alarm output circuit are sent to, and output alarm signal sends instruction by control device and implements spray to spray equipment to the next stage control device.Power module circuitry 41 is supplied with respectively heating time-delay and alarm output circuit 42 and smoke transducer modular circuit 43 with the direct supply that main circuit provides by conversion.
See also Fig. 3, aforesaid power module circuitry 41 comprises diode D7, D8, capacitor C 1, C2, inductance L 1 and voltage-releasing voltage stabilizer U8, and described voltage-releasing voltage stabilizer U8 is switch type buck regulator, is specially LM2576.The direct supply that main circuit provides is transformed to direct supply VCC after accessing voltage-releasing voltage stabilizer U8 by diode D7, and capacitor C 1 is input filtering electric capacity, and diode D8 is reverse fly-wheel diode, and capacitor C 2 and inductance L 1 form the LC filtering circuit.
See also Fig. 4, aforesaid heating time-delay and alarm output circuit 42 comprise resistance R 3～R13, R16～R18, rheostat R19, capacitor C 3～C5, diode D1～D6, operational amplifier U1A, U1B, U2A, U2B, U3A, U3B, triode Q1 and dichromatic LED 421, and dichromatic LED 421 adopts red and green color herein.After the main circuit energising, direct supply VCC place in circuit provides anti-phase comparative voltage for operational amplifier U1A, U1B, U2A, U2B by resistance R 5, gives simultaneously capacitor C 4 chargings.When capacitor C 4 had just begun to charge, the positive phase voltage of operational amplifier U2A was less than reverse voltage, output low level, thereby by the voltage between diode D4 pull down resistor R7, the R8; When capacitor C 4 after charging a period of times, the positive phase voltage of operational amplifier U2A is greater than reverse voltage, the output high level, thus make the voltage between resistance R 7, the R8 can not be drop-down by diode D4.The positive phase voltage of operational amplifier U3A is provided with rheostat R19 by resistance R 13, and changes with the variation of rheostat R19 resistance.The reverse voltage of operational amplifier U3A is provided through resistance R 11 by the signal voltage Vout1 of smoke transducer modular circuit 43 outputs.When the positive phase voltage of operational amplifier U3A during less than reverse voltage, output low level, thereby by the voltage between diode D5 pull down resistor R7, the R8; When the positive phase voltage of operational amplifier U3A during greater than reverse voltage, output high level, thereby make the voltage between resistance R 7, the R8 can not be drop-down by diode D5.Only have when the output of operational amplifier U2A, U3A is high level, just can make the positive phase voltage that is added in operational amplifier U2B be higher than reverse voltage, by relatively exporting high level, further relatively export high level with operational amplifier U1B again, make conducting between 1,2 pin of dichromatic LED 421, send green glow, the indication circuit power connection can work, and diode D3 plays unidirectional retroactive effect.The reverse voltage of operational amplifier U3B is provided by resistance R 12, R13, and can regulate by rheostat R19, and positive phase voltage is provided through resistance R 11 by the signal voltage Vout1 of smoke transducer modular circuit 43 outputs.When the positive phase voltage of operational amplifier U3B during greater than reverse voltage, the output high level, diac D2 conducting also is added to voltage the positive of operational amplifier U1A, through relatively exporting high level, make 1,3 pin conductings of dichromatic LED 421, send ruddiness, while trigger triode Q1, make warning output voltage V out become low level by high level, the work of next stage control device, the startups such as control spraying plant.In this process, after capacitor C 4 chargings were finished, as long as Power supply is normal, the positive phase voltage of operational amplifier U2A was always greater than reverse voltage, and according to above-mentioned analysis as can be known, operational amplifier U1B will export high level.If operational amplifier U1B output low level can be undertaken by diode D1 unidirectional drop-downly, make the output of operational amplifier U1A unchanged.
See also Fig. 5 and in conjunction with Fig. 4, aforesaid smoke transducer modular circuit 43 comprises resistance R 14, R15, touch-switch S1 and smog probe 431, and in the present embodiment, smog probe 431 adopts MQ2 air-sensitive formula smog probe.After the main circuit energising, direct supply VCC place in circuit is for the heater strip H-H work of smog probe 431, and behind the heater strip H-H preheating certain hour, smog probe 431 could normally detect smog.When having smog to enter in the cavity volume of the remittance chimney 12 with chimney effect from vertical smoke intaking hole 122 and/or side direction smoke intaking hole 121, the resistance of smog probe 431 changes, and (resistance value of the higher smog probe 431 of smokescope is less, otherwise with example), 4,6 pin voltages of smog probe 431 increase with the rising of smokescope, and the signal voltage Vout1 of output raises.At this moment, regulate the resistance of the rheostat R19 in heating time-delay and the alarm output circuit 42, make the positive phase voltage of operational amplifier U3B greater than reverse voltage, the output high level, diac D2 conducting also is added to voltage the positive terminal of operational amplifier U1A, operational amplifier U1A exports high level, makes 1,3 pin conductings of dichromatic LED 421, sends ruddiness.Make simultaneously warning output voltage V out become low level by high level, the next stage control device sends instruction and implements spray to spray equipment.When smog reduces gradually, the signal voltage Vout1 of output diminishes, when the positive phase voltage of operational amplifier U3B during less than reverse voltage, operational amplifier U3B output low level, diode D2 cut-off, the positive phase voltage of operational amplifier U1A be less than reverse voltage, output low level, make 1, the 3 pin cut-off of dichromatic LED 421, ruddiness extinguishes a BG light.Make simultaneously warning output voltage V out become high level by low level, the next stage control device sends instruction and stops spray to spray equipment.Whether in addition, touch-switch S1 is test button, presses touch-switch S1, and 4,6 pin voltages of smog probe 431 raise, and the signal voltage Vout1 of output raises, can work with alarm output circuit 42 thereby can test the heating time-delay.
In sum, technical scheme provided by the invention has remedied the shortcoming in the prior art, has finished the invention task, has embodied due technique effect
Claims (10)
1.
A kind of smoke sensor, it is characterized in that comprising a remittance petticoat pipe (1), the central authorities of this remittance petticoat pipe (1) consist of a smog probe socket mating cavity (11), and converge petticoat pipe (1) under the use state towards under a side and be extended with one in the position corresponding to smog probe socket mating cavity (11) and converge chimney (12), on the sidewall of this remittance chimney (12) and around converging the circumferencial direction of chimney (12), offer one group of side direction smoke intaking hole (121) with the interval state, and offer a vertical smoke intaking hole (122) converging the middle position of bottom of chimney (12); One smog probe socket (2), this smog probe socket (2) matches with described smog probe socket mating cavity (11), and the central authorities at this smog probe socket (2) offer smog probe mating holes (21), and this smog probe mating holes (21) communicates with described remittance chimney (12); One circuit board (4), this circuit board (4) is corresponding to the top of described smog probe socket (2), and fixing with described remittance petticoat pipe (1), described circuit board (4) comprises power module circuitry (41), the heating time-delay that is used for output alarm voltage Vout and alarm output circuit (42) and for the smoke transducer modular circuit (43) of output signal voltage Vout1, the heating time-delay is connected with smoke transducer modular circuit (43) with alarm output circuit (42), power module circuitry (41) is connected with alarm output circuit (42) and smoke transducer modular circuit (43) with heating time-delay, and described heating time-delay and alarm output circuit (42) and smoke transducer modular circuit (43) are powered; One has the case that soars (3) in the chamber of soaring (31), this case that soars (3) is fixing with described remittance petticoat pipe (1), and described smog probe socket (2) and circuit board (4) covered protect, be fixed with a suspension hook (32) at the roof of the case that soars (3); One power supply and signal wire interface device (5), this power supply and signal wire interface device (5) are arranged on the roof of the described case that soars (3).
2.
Smoke sensor according to claim 1, it is characterized in that described power supply and signal wire interface device (5) comprise swivel nut (51), gripping sleeve (52), sealed shield (53) and set nut (54) with cable-through hole (531), swivel nut (51) is fixed with the roof of the described case that soars (3), gripping sleeve (52) is embedded on the swivel nut (51), sealed shield (53) places in the gripping sleeve (52), set nut (54) matches with swivel nut (51), described gripping sleeve (52) is insinuated in the set nut chamber (541) of set nut (54), and when set nut (54) with the sun during turn, gripping sleeve (52) shrinks to the center, and when against the sun turn of set nut (54), gripping sleeve (52) is replied, described gripping sleeve (52) is constructed for the finger-like formula and material is nylon or plastics, and described sealed shield (53) is the film cover of rubber mass.
3.
Smoke sensor according to claim 1, it is characterized in that described smog probe socket (2) has a matching seat (22) towards a side of described remittance petticoat pipe (1) and in the position formation corresponding to described smog probe socket mating cavity (11), this matching seat (22) matches with smog probe socket mating cavity (11).
4.
Smoke sensor according to claim 1, it is characterized in that in the bottom of the described case that soars (3) formation one mounting flange limit (33) being arranged, upward offer one group of case fixed orifice (331) that soars with the interval state on this mounting flange limit (33), offer one group with the interval state and converge petticoat pipe fixed orifice (13) at the marginal position of described remittance petticoat pipe (1) and around converging the circumferencial direction of petticoat pipe (1), this group remittance petticoat pipe fixed orifice (13) is corresponding with the case fixed orifice (331) that soars, and is fixedly connected with remittance petticoat pipe fixed orifice (13) by gib screw (131).
5.
Smoke sensor according to claim 1, it is characterized in that also being equipped with a spare interface device (6) on the roof of the described case that soars (3), this spare interface device (6) is corresponding with described power supply and signal wire interface device (5), and the structure of described spare interface device (6) is identical with the structure of described power supply and signal wire interface device (5).
6.
According to claim 1 or 3 or 4 described smoke sensors, it is characterized in that the global shape of described remittance petticoat pipe (1) is just as the shape of inverted bamboo hat.
7.
Smoke sensor according to claim 1, it is characterized in that described power module circuitry (41) comprises diode D7, D8, capacitor C 1, C2, inductance L 1 and voltage-releasing voltage stabilizer U8, the positive pole of diode D7 meets direct supply+12V, the negative pole of diode D7 connects the positive pole of capacitor C 1 and 1 pin of voltage-releasing voltage stabilizer U8,2 pin of voltage-releasing voltage stabilizer U8 connect the negative pole of diode D8 and an end of inductance L 1, the positive pole of another termination capacitor C 2 of inductance L 1 and 4 pin of voltage-releasing voltage stabilizer U8 and output DC source VCC, the negative pole of capacitor C 1,3 of voltage-releasing voltage stabilizer U8,5 pin, the negative pole common ground of the positive pole of diode D8 and capacitor C 2.
8.
Smoke sensor according to claim 1, it is characterized in that described heating time-delay and alarm output circuit (42) comprise resistance R 3～R13, R16～R18, rheostat R19, capacitor C 3～C5, diode D1～D6, operational amplifier U1A, U1B, U2A, U2B, U3A, U3B, triode Q1 and dichromatic LED (421), 1 pin of one termination dichromatic LED (421) of resistance R 3, the end of 2 pin connecting resistance R16 of dichromatic LED (421), 7 pin of another termination operational amplifier U1B of resistance R 16 and the negative pole of diode D1,6 pin of operational amplifier U1B and 2 pin of operational amplifier U1A, one end of resistance R 5,6 pin of operational amplifier U2B, 2 pin of operational amplifier U2A and an end of resistance R 6 connect, the end of the 1 pin connecting resistance R18 of operational amplifier U1A and 3 pin of dichromatic LED (421), the base stage of another termination triode Q1 of resistance R 18, the end of the collector connecting resistance R17 of triode Q1 is also exported described alarm voltage Vout, be used for connecting the next stage control device, 3 pin of operational amplifier U1A and an end of capacitor C 3, one end of resistance R 4, one end of resistance R 9 and the positive pole of diode D1 connect, the negative pole of another terminating diode D2 of resistance R 9, the positive pole of diode D2 connects 7 pin of operational amplifier U3B, the end of the 6 pin connecting resistance R13 of operational amplifier U3B and an end of resistance R 12,1 of the other end of resistance R 13 and rheostat R19,3 pin of 2 pin and operational amplifier U3A connect, 1 pin of operational amplifier U3A connects the negative pole of diode D5, one end of the positive pole of diode D5 and resistance R 8, one end of resistance R 7 and the positive pole of diode D4 connect, the negative pole of another terminating diode D3 of resistance R 8 and 5 pin of operational amplifier U2B, the positive pole of diode D3 connects 5 pin of operational amplifier U1B and 7 pin of operational amplifier U2B, the negative pole of diode D4 connects 1 pin of operational amplifier U2A, 3 pin of operational amplifier U2A and an end of resistance R 10, the positive pole of the positive pole of diode D6 and capacitor C 4 connects, 2 pin of operational amplifier U3A and 5 pin of operational amplifier U3B, one end of capacitor C 5 and an end of resistance R 11 connect, the signal voltage Vout1 of the described smoke transducer modular circuit of another termination of resistance R 11 (43) output, the other end of resistance R 17,8 pin of operational amplifier U1A, the other end of resistance R 5, the other end of resistance R 7,8 pin of operational amplifier U3A, 8 pin of operational amplifier U2A, the other end of resistance R 10, the other end of the negative pole of diode D6 and resistance R 12 meets direct supply VCC jointly, the other end of resistance R 3, the emitter of triode Q1,4 pin of operational amplifier U1A, the other end of capacitor C 3, the other end of resistance R 4, the other end of resistance R 6,4 pin of operational amplifier U3A, the other end of capacitor C 5, the negative pole of capacitor C 4, the 4 pin common grounds of 3 pin of rheostat R19 and operational amplifier U2A.
9.
Smoke sensor according to claim 1, it is characterized in that described smoke transducer modular circuit (43) comprises resistance R 14, R15, touch-switch S1 and smog probe (431), 4 of the end of the one end connection touch-switch S1 of resistance R 14 and smog probe (431), 6 pin are also exported described signal voltage Vout1, the end of 5 pin connecting resistance R15 of smog probe (431), 1 of smog probe (431), 2,3 pin, the other end of touch-switch S1 meets direct supply VCC jointly, the other end common ground of the other end of resistance R 14 and resistance R 15.
10.
Smoke sensor according to claim 1, it is characterized in that offering a double-colored light emitting diode accommodation hole (14) at described remittance petticoat pipe (1), the dichromatic LED (421) of described heating time-delay and alarm output circuit (42) is embedded in the dichromatic LED accommodation hole (14), and the smog of described smoke transducer modular circuit (43) probe (431) is contained in the described smog probe mating holes (21)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103168039A CN102854224A (en) | 2012-08-31 | 2012-08-31 | Smog sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103168039A CN102854224A (en) | 2012-08-31 | 2012-08-31 | Smog sensor device |
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| Publication Number | Publication Date |
|---|---|
| CN102854224A true CN102854224A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103168039A Pending CN102854224A (en) | 2012-08-31 | 2012-08-31 | Smog sensor device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749156A (en) * | 2017-11-13 | 2018-03-02 | 安徽蓝海之光科技有限公司 | A kind of mine smoke sensor |
| CN108426816A (en) * | 2018-04-23 | 2018-08-21 | 成都瑞欣沥青科技有限公司 | A kind of system measuring pitch smokescope |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2199567Y (en) * | 1994-06-29 | 1995-05-31 | 焦作矿务局电子设备厂 | Explosion-proof smoke sensor |
| CN1217790A (en) * | 1997-02-25 | 1999-05-26 | 罗伯特·博施有限公司 | Measure sensor and method for producing same |
| JP3979929B2 (en) * | 2002-11-25 | 2007-09-19 | フィガロ技研株式会社 | Gas detection device and gas detection method |
| CN201837576U (en) * | 2010-10-25 | 2011-05-18 | 淮南润成科技有限公司 | Mine smoke sensor |
| CN202362290U (en) * | 2011-11-30 | 2012-08-01 | 淮南华林电气有限公司 | Novel smog sensor |
| CN202748330U (en) * | 2012-08-31 | 2013-02-20 | 常熟市德虞矿山机电有限公司 | Smoke sensor device |
-
2012
- 2012-08-31 CN CN2012103168039A patent/CN102854224A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2199567Y (en) * | 1994-06-29 | 1995-05-31 | 焦作矿务局电子设备厂 | Explosion-proof smoke sensor |
| CN1217790A (en) * | 1997-02-25 | 1999-05-26 | 罗伯特·博施有限公司 | Measure sensor and method for producing same |
| JP3979929B2 (en) * | 2002-11-25 | 2007-09-19 | フィガロ技研株式会社 | Gas detection device and gas detection method |
| CN201837576U (en) * | 2010-10-25 | 2011-05-18 | 淮南润成科技有限公司 | Mine smoke sensor |
| CN202362290U (en) * | 2011-11-30 | 2012-08-01 | 淮南华林电气有限公司 | Novel smog sensor |
| CN202748330U (en) * | 2012-08-31 | 2013-02-20 | 常熟市德虞矿山机电有限公司 | Smoke sensor device |
Non-Patent Citations (1)
| Title |
|---|
| 关世荣: "家庭智能监护报警装置的研制", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749156A (en) * | 2017-11-13 | 2018-03-02 | 安徽蓝海之光科技有限公司 | A kind of mine smoke sensor |
| CN108426816A (en) * | 2018-04-23 | 2018-08-21 | 成都瑞欣沥青科技有限公司 | A kind of system measuring pitch smokescope |
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Application publication date: 20130102 |