CN202795637U - Smoke sensor - Google Patents
Smoke sensor Download PDFInfo
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- CN202795637U CN202795637U CN 201220439257 CN201220439257U CN202795637U CN 202795637 U CN202795637 U CN 202795637U CN 201220439257 CN201220439257 CN 201220439257 CN 201220439257 U CN201220439257 U CN 201220439257U CN 202795637 U CN202795637 U CN 202795637U
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- smoke
- sense cigarette
- petticoat pipe
- remittance
- cigarette probe
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Abstract
The utility model discloses a smoke sensor and belongs to the technical field of coal mine safety facilities. The smoke senor comprises a smoke collection shield, a smoke sensing probe base, a smoke sensing probe, a circuit board, an empty housing, a power supply and a signal wire interface device, wherein a smoke sensing probe base matching cavity is formed at the center of the smoke collection shield, a smoke collection barrel is extended from one side of the smoke collection shield, a group of lateral smoke inlet holes is arranged on the side wall of the smoke collection barrel, a longitudinal smoke inlet hole is arranged at the bottom of the smoke collection barrel, the smoke sensing probe base is matched with the smoke sensing probe base matching cavity, a smoke sensing probe matching hole is opened at the center of the smoke sensing probe base, the smoke sensing probe matching hole is communicated with the smoke collection barrel, the smoke sensing probe is accommodated in the smoke sensing probe matching hole and connected with the circuit board, the empty housing is provided with an empty cavity and fixed with the smoke collection shield, the empty housing is used for shielding the smoke sensing probe base, the smoke sensing probe and the circuit board, a lifting hook is fixed on the top wall of the empty housing, and the power supply and the signal wire interface device are arranged on the top wall of the empty housing. The smoke sensor has the advantages that the smoke sensing probe can timely sense smoke, and the installation is extremely convenient.
Description
Technical field
The utility model belongs to the coalmining safety facility technical field, is specifically related to a kind of smoke transducer
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 finding out by feeling cigarette, thereby lose disposal opportunity of preciousness; Its two because sense cigarette 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, sense cigarette 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 utility model be to provide a kind of help to improve converge the remittance cigarette effect and using of petticoat pipe and avoid the fastidious property of smog source direction and need not to rely on any securing member to be installed and converge the cigarette probe and use the smoke transducer of the convenience that embodies assembling.
Another task of the present utility model 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 transducer that ensures desirable sealing effectiveness.
For top priority of the present utility model is finished in embodiment, the technical scheme that the utility model provides is: a kind of smoke transducer, comprise a remittance petticoat pipe, the central authorities of this remittance petticoat pipe consist of a sense cigarette 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 sense cigarette probe socket mating cavity and converging 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 sense cigarette probe socket, this sense cigarette probe socket matches with described sense cigarette probe socket mating cavity, and offers a sense cigarette probe mating holes in the central authorities of this sense cigarette probe socket, and this sense cigarette probe mating holes communicates with described remittance chimney; One sense cigarette probe and a circuit board, sense cigarette probe are contained in the described sense cigarette probe mating holes, and are connected with circuit board, and circuit board is corresponding to the top of feeling the cigarette probe socket, and fix with the remittance petticoat pipe; One has the case that soars in the chamber of soaring, and this soar case and described remittance petticoat pipe are fixed, and described sense cigarette probe socket, sense cigarette probe 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 utility model is finished in embodiment, the technical scheme that the utility model provides 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.
In a specific embodiment of the present utility model, offer a double-colored light emitting diode accommodation hole at described remittance petticoat pipe, have a double-colored light emitting diode on the described circuit board, this dichromatic LED is embedded in the dichromatic LED accommodation hole.
In another specific embodiment of the present utility model, described sense cigarette probe socket consists of towards a side of described remittance petticoat pipe and in the position corresponding to described sense cigarette probe socket mating cavity a matching seat, and this matching seat matches with sense cigarette probe socket mating cavity.
In another specific embodiment of the present utility model, 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 utility model, described gripping sleeve is that finger-like formula structure and material are nylon or plastics.
Also have in the specific embodiment of the present utility model, 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.
More of the present utility model and in specific embodiment, the structure of described spare interface device is identical with the structure of described power supply and signal wire interface device.
In of the present utility model and then specific embodiment, described sealed shield is the film cover of rubber mass.
Of the present utility model again more and in specific embodiment, the global shape of described remittance petticoat pipe is just as the shape of inverted bamboo hat.
The technical scheme that the utility model provides has been owing to 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 sense cigarette timely perception smog of popping one's head in; Because sense cigarette probe need not to rely on securing member and can be arranged at easily on the sense cigarette probe socket, therefore installs very convenient.
Description of drawings
Fig. 1 is example structure figure of the present utility model
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the utility model scheme to the description of embodiment, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
See also Fig. 1, provided a remittance petticoat pipe 1, middle position at this remittance petticoat pipe 1 offers a sense cigarette 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 sense cigarette probe socket mating cavity 11 and converging 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 14 converging the marginal position of circumferencial direction of petticoat pipe 1, and converge petticoat pipe fixed orifice 14 at each and be equipped with gib screw 141.On remittance petticoat pipe 1, also offer a double-colored light emitting diode accommodation hole 13 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 sense cigarette probe socket 2 that one central authorities offer a sense cigarette 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 sense cigarette probe socket mating cavity 11 at sense cigarette probe socket 2 matching seat 22 is arranged, this matching seat 22 is placed in the sense cigarette probe socket mating cavity 11, and namely matching seat 22 and sense cigarette probe socket mating cavity 11 are fitted to each other just as the effect as the Tenon.Aforesaid sense cigarette probe mating holes 21 corresponds to each other with vertical smoke intaking hole 122.
Illustrated sense cigarette probe 3 is contained in the sense cigarette probe mating holes 21, and is electrically connected with circuit board 4.Preferably, at the sense cigarette 3 outer guards 31 that arrange of popping one's head in.Has the circuit board 4 of dichromatic LED 41 corresponding to the top of sense cigarette probe socket 2, offer fixed orifice 42 on this 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 42 and is limited by nut 1511.Dichromatic LED 41 is inserted and is embedded in the aforesaid dichromatic LED accommodation hole 13.
Please continue to see Fig. 1, provided the case 5 that soars, this case 5 that soars has the chamber of soaring 51, and the roof at the case 5 that soars is fixed with a suspension hook 52, and in the bottom of the case 5 that soars formation one flange 53 is arranged, and spaced apart one group of position and the aforesaid corresponding case fixed orifice 531 that soars of cover fixed orifice 14 that confluxes of being provided with on flange 53, aforesaid gib screw 141 screws in the case fixed orifice 531 that soars, thus the case 5 that will soar is with to converge petticoat pipe 1 fixing.Play the effect of protecting of covering to circuit board 4, sense cigarette probe 3 and sense cigarette probe socket 2 by the chamber 51 of soaring.
Be that roof offers an interface mounting hole 54 at aforesaid top of soaring case 5, be provided with a power supply and signal wire interface device 6 at this interface mounting hole 54, this power supply and signal wire interface device 6 comprise swivel nut 61, gripping sleeve 62, sealed shield 63 and set nut 64, the lower end of swivel nut 61 probes into the chamber 51 and limit with limiting nut 611 of soaring from described interface mounting hole 54, and the upper end of swivel nut 61 leans out outside the chamber 51 of soaring, gripping sleeve 62 is inserted the upper end that is embedded in swivel nut 61, and this gripping sleeve 62 is finger-like formula structure, material is nylon or plastics, and the finger-like formula structure of saying here refers to that gripping sleeve 62 has one group of finger that is circumferential arrangement.Sealed shield 63 places in the gripping sleeve 62, and offers one at the top of sealing guard shield 63 and be used for the cable-through hole 631 that power supply source line and signal wire pass through.Preferably, the film-form guard shield of sealed shield 63 for adopting rubber to make.Set nut 64 has a set nut chamber 641, this set nut 64 and swivel nut 61 threaded engagement, and the top of aforesaid gripping sleeve 62 is positioned at set nut chamber 641.When to clockwise direction turn set nut 64, gripping sleeve 62 just draws (closing up) just as the effect as people's the finger in towards center position, otherwise when set nut 64 during to the counter clockwise direction turn, then gripping sleeve 62 discharges i.e. answer.As seen, gripping sleeve 62 can play reliable locating effect to power lead and signal wire, and sealed shield 63 plays the sealing protection effect, namely stops outside trifle in the world steam etc. to enter and soars chamber 51 and even affect circuit board 4.
On the roof of case 5 that soars and in the position corresponding to power supply and signal wire interface device 6, also be provided with fully identical with power supply and the signal wire interface device 6 spare interface device 7 of a structure, when needed, this spare interface device 7 is used for being connected usefulness with another the utility model smoke transducer, and output signal.
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, (resistance value of the higher sense cigarette probe 3 of smokescope is less to find out the change in resistance of smokescope by sense cigarette probe 3, otherwise with example), compare through circuit board 4, when aforementioned resistance is then reported to the police during greater than setting value, while dichromatic LED 41 sends bi-coloured light and namely glimmers, know in order to examine, and give controller by circuit board 4 to signal, send instruction by controller and implement spray to spray equipment.
In sum, the technical scheme that the utility model provides 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 transducer, it is characterized in that comprising a remittance petticoat pipe (1), the central authorities of this remittance petticoat pipe (1) consist of a sense cigarette 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 sense cigarette probe socket mating cavity (11) and converging 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 sense cigarette probe socket (2), this sense cigarette probe socket (2) matches with described sense cigarette probe socket mating cavity (11), and the central authorities at this sense cigarette probe socket (2) offer a sense cigarette probe mating holes (21), and this sense cigarette probe mating holes (21) communicates with described remittance chimney (12); One sense cigarette probe (3) and a circuit board (4), sense cigarette probe (3) is contained in the described sense cigarette probe mating holes (21), and be connected with circuit board (4), circuit board (4) is corresponding to the top of sense cigarette probe socket (2), and with to converge petticoat pipe (1) fixing; One has the case that soars (5) in the chamber of soaring (51), this case that soars (5) is fixing with described remittance petticoat pipe (1), and described sense cigarette probe socket (2), sense cigarette probe (3) and circuit board (4) covered protect, be fixed with a suspension hook (52) at the roof of the case that soars (5); One power supply and signal wire interface device (6), this power supply and signal wire interface device (6) are arranged on the roof of the described case that soars (5).
2.
Smoke transducer according to claim 1, it is characterized in that described power supply and signal wire interface device (6) comprise swivel nut (61), gripping sleeve (62), sealed shield (63) and set nut (64) with cable-through hole (631), swivel nut (61) is fixed with the roof of the described case that soars (5), gripping sleeve (62) is embedded on the swivel nut (61), sealed shield (63) places in the gripping sleeve (62), set nut (64) matches with swivel nut (61), described gripping sleeve (62) is insinuated in the set nut chamber (641) of set nut (64), and when set nut (64) with the sun during turn, gripping sleeve (62) shrinks to the center, and when against the sun turn of set nut (64), gripping sleeve (62) is replied.
3.
Smoke transducer according to claim 1, it is characterized in that offering a double-colored light emitting diode accommodation hole (13) at described remittance petticoat pipe (1), have a double-colored light emitting diode (41) on the described circuit board (4), this dichromatic LED (41) is embedded in the dichromatic LED accommodation hole (13).
4.
Smoke transducer according to claim 1, it is characterized in that described sense cigarette probe socket (3) has a matching seat (22) towards a side of described remittance petticoat pipe (1) and in the position formation corresponding to described sense cigarette probe socket mating cavity (11), this matching seat (22) matches with sense cigarette probe socket mating cavity (11).
5.
Smoke transducer according to claim 1, it is characterized in that in the bottom of the described case that soars (5) formation one mounting flange limit (53) being arranged, upward offer one group of case fixed orifice (531) that soars with the interval state on this mounting flange limit (53), offer one group with the interval state and converge petticoat pipe fixed orifice (14) 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 (14) is corresponding with the case fixed orifice (531) that soars, and is fixedly connected with remittance petticoat pipe fixed orifice (14) by gib screw (141).
6.
Smoke transducer according to claim 2 is characterized in that described gripping sleeve (62) is constructed for the finger-like formula and material is nylon or plastics.
7.
Smoke transducer according to claim 1, it is characterized in that also being equipped with on the roof of the described case that soars (5) a spare interface device (7), this spare interface device (7) is corresponding with described power supply and signal wire interface device (6).
8.
Smoke transducer according to claim 7 is characterized in that the structure of described spare interface device (7) is identical with the structure of described power supply and signal wire interface device (6).
9.
Smoke transducer according to claim 2 is characterized in that described sealed shield (63) is the film cover of rubber mass.
10.
According to claim 1 or the described smoke transducer of the arbitrary claim of 3-5, it is characterized in that the global shape of described remittance petticoat pipe (1) is just as the shape of inverted bamboo hat
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220439257 CN202795637U (en) | 2012-08-31 | 2012-08-31 | Smoke sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220439257 CN202795637U (en) | 2012-08-31 | 2012-08-31 | Smoke sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202795637U true CN202795637U (en) | 2013-03-13 |
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ID=47822852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220439257 Expired - Fee Related CN202795637U (en) | 2012-08-31 | 2012-08-31 | Smoke sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202795637U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854225A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog sensor |
| CN103927839A (en) * | 2014-04-29 | 2014-07-16 | 龙岩烟草工业有限责任公司 | Assembling and disassembling device and method of fire alarm detecting device |
| CN109816924A (en) * | 2019-03-19 | 2019-05-28 | 安徽中熹安全科技有限公司 | A kind of correlation smoke sensor device |
| CN110772737A (en) * | 2019-12-02 | 2020-02-11 | 南京亚益盛电子科技有限公司 | Domestic fire control cabinet system of range upon range of formula |
-
2012
- 2012-08-31 CN CN 201220439257 patent/CN202795637U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854225A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog sensor |
| CN103927839A (en) * | 2014-04-29 | 2014-07-16 | 龙岩烟草工业有限责任公司 | Assembling and disassembling device and method of fire alarm detecting device |
| CN103927839B (en) * | 2014-04-29 | 2016-08-24 | 龙岩烟草工业有限责任公司 | The assembling and disassembling device of a kind of detector for fire alarm system and method |
| CN109816924A (en) * | 2019-03-19 | 2019-05-28 | 安徽中熹安全科技有限公司 | A kind of correlation smoke sensor device |
| CN109816924B (en) * | 2019-03-19 | 2024-03-22 | 浙江东方职业技术学院 | Correlation formula smoke transducer |
| CN110772737A (en) * | 2019-12-02 | 2020-02-11 | 南京亚益盛电子科技有限公司 | Domestic fire control cabinet system of range upon range of formula |
| CN110772737B (en) * | 2019-12-02 | 2024-01-02 | 南京亚益盛电子科技有限公司 | Laminated household fire-fighting cabinet system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |