CN101551932A - Electronic instrument and smoke detector - Google Patents
Electronic instrument and smoke detector Download PDFInfo
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- CN101551932A CN101551932A CNA2009101181395A CN200910118139A CN101551932A CN 101551932 A CN101551932 A CN 101551932A CN A2009101181395 A CNA2009101181395 A CN A2009101181395A CN 200910118139 A CN200910118139 A CN 200910118139A CN 101551932 A CN101551932 A CN 101551932A
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- casing
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Abstract
The present invention provides an electronic instrument and a smoke detector, which lids are all switched even though their case bodies deform. The electronic instrument includes a case, showing a near case body shape and having an end face opening; a lid, having a lid face for covering the case; a hinge part, arranged between the case and the lid to switch the lid relative to the case; a fastening part, for holding a closed status of the lid relative to the case; the fastening part includes a stopped part and a stopping part, wherein the stopped part is arranged in the case, and is composed of a shaft vertical to an inner surface of a shaft part and the case and a bearing member fixed in a state of projecting from a guiding hole end face of a shaft press part relative to the front of the shaft; the stopping part is composed of combining parts which are provided with a mounting piece mounted on the lid and a near U-shaped part communicating with a near slot-shaped cut part and connected to the end part of the mounting piece.
Description
Technical field
The present invention relates to a kind of electronic device, this electronic device is mounted in fire signal receiver on wall etc. etc., further says, relates to the shell of electronic device and the construction of switch of lid.In addition, also relate to a kind of smoke detector, this smoke detector detects floating polluters such as flue dust in the air with optical mode.
Background technology
In the past, in the casing of the fire signal receiver that is installed on wall etc. and the construction of switch of calling, when the door of this casing keeps closed condition, used locking mechanism.This locking mechanism is arranged on this casing and the door, carries out chimericly when closing, becomes lock-out state (for example, with reference to patent documentation 1).
As fire preventing or the detection system when producing flue dust, perhaps in the semiconductor fabrication factory or bakery and confectionery that need certain environment to save from damage, the usability smoke detector.
Such smoke detector comprises: suction device attracts air by stopple coupon from monitor area; And inspection cigarette device, import the air that suction device attracted, the cigarette particulate that detection contains in the air of this importing, but in smoke detector in the past, inspection cigarette device and suction device are installed in the main body of smoke detector, both are communicated with by long pipe arrangement, separate configuration in the casing of smoke detector (for example, with reference to patent documentation 2).
And inspection cigarette device and suction device and control basal plate (control device) are accommodated in the same space (for example, with reference to patent documentation 2).
No. the 2520046th, [patent documentation 1] Japanese patent gazette
No. the 3714926th, [patent documentation 2] Japanese patent gazette
Summary of the invention
In the past, when the door of switch casing, if this casing or door bend, then owing to produce skew between the member of formation locking mechanism, might cause can not be chimeric fully.Therefore,, then can produce distortion or damage, might influence the switch door if for a long time locking mechanism self is applied enforceable power.Particularly in recent years, owing to the casing of the resin material of easy bending is adopted in lightweights such as requiring the fire signal receiver, so that the problems referred to above become is more and more serious.
In view of the above problems, first purpose of the present invention is, also can not influence the electronic device of switch cover even provide a kind of casing to deform.
In addition, as mentioned above, in the past in the casing of smoke detector, because inspection cigarette device portion and suction device portion are communicated with by long pipe arrangement, separate configuration in casing, thus between need long pipe arrangement and certain distance arranged, therefore, the cost of pipe arrangement part can not be reduced, nor the casing miniaturization of smoke detector can be made.
In view of the above problems, second purpose of the present invention be, provides a kind of and can reduce the cost of pipe arrangement part but also can make the smoke detector of casing miniaturization.
In addition, as mentioned above, in the past in the casing of smoke detector, inspection cigarette device portion and suction device portion and control basal plate are accommodated in the same space, because between is not provided with any partition, for example, smoke detector is in the driving process, to inspection cigarette device or suction device, perhaps the vibration transfer of suction device might be brought bad influence mutually to control basal plate from the heat transferred of the power supply unit of control basal plate.And the exhausr port of suction device is arranged on the sidewall of casing of smoke detector, if casing is subjected to the impact from external force, then this impact is delivered to suction device or inspection cigarette device by the pipe arrangement part, might bring bad influence.
In view of the above problems, the 3rd purpose of the present invention is, a kind of smoke detector is provided, can makes between inspection cigarette device or suction device and the control basal plate to be difficult to transmit heat or vibration, can also make impact that casing is applied etc. be difficult to be delivered to inspection cigarette device or suction device.
Corresponding to above-mentioned three purposes, first invention provides a kind of electronic device, and it comprises: shell is approximate box shape, the end face opening; Cover, have the capping of the described end face that covers this shell; Hinge portion is arranged between described shell and the described lid, makes the described lid can switch with respect to described shell; And the holding section, be used to keep the closed condition of described lid with respect to described shell; It is characterized in that described holding section comprises by fastener and fastener, describedly be configured in the described shell, have by fastener: shaft component, its axial region is vertical substantially with the inside surface of described shell; And bearing components, fix from the state that the pilot hole end face of shaft component press section exposes with the front end of this shaft component; Described fastener comprises that in conjunction with part described have in conjunction with part: installation sheet is installed in described covering; With approximate コ shape portion, the end that it is connected this installation sheet is communicated with the notch of approximate long hole shape.When closing cap, the outside surface of rear end one side of the inside surface of front end one side of described approximate コ shape portion and described pilot hole end face and described approximate コ shape portion and the inside surface of described shell, be combined together respectively, and describedly passed described notch by fastener and carry out chimeric by making.
Second invention provides a kind of smoke detector, and it comprises in the casing that is approximate box: fan attracts the sampling air from sampling with pipe arrangement; And the cigarette detecting unit, import from the sampling air of this sampling with pipe arrangement; It is characterized in that, in this casing, be provided with receiving room, be used to take in mutually near and be configured in this fan and this cigarette detecting unit of different layers up and down.
In addition, the feature of the smoke detector of this invention is that also this receiving room is sealed by lid.
The 3rd invention provides a kind of smoke detector, and it comprises in the casing that is approximate box: fan attracts the sampling air from sampling with pipe arrangement; And the cigarette detecting unit, import from the sampling air of this sampling with pipe arrangement; It is characterized in that, be provided with the receiving room of taking in this fan and this cigarette detecting unit in this casing, in the circuit substrate incorporating section of this casing, the sidewall that separates spaced this receiving room of regulation is a double structure.
In addition, the feature of the smoke detector of this invention is that also the sidewall of this casing is a double structure.
According to first invention, when lid is closed, because the bending of correcting shell in conjunction with the cardinal principle コ shape portion of part makes shell and lid keep certain position relation all the time, so switch cover reliably.Thus, can prevent the damaged or distortion of each part, the switch that can cover swimmingly.
According to second invention, because in being arranged at the receiving room of casing, fan and cigarette detecting unit be configured near and different layers up and down, so can reduce the pipe arrangement part that connects fan and cigarette detecting unit, can also reduce the cost of pipe arrangement part, reduce assembly cost simultaneously, in addition, the distance between fan and the cigarette detecting unit can be shortened, thereby the casing miniaturization can be made.
According to the 3rd invention, because being contained the sidewall of the double structure of chamber, fan or cigarette detecting unit and circuit (control) substrate reception portion separate, can make heat be difficult to be delivered to cigarette detecting unit or fan from the power supply unit of control basal plate, thereby can prevent from the interior light source of cigarette detecting unit or the moving blade of fan etc. to be sustained damage owing to be heated, and, can also make the vibration of fan be difficult to be delivered to control basal plate, thereby can prevent because vibration causes the control basal plate misoperation.In addition, be double structure owing to make the sidewall of casing, even the sidewall of casing is applied external force, also can make suffered impact be difficult to be delivered to fan or cigarette detecting unit, thereby can prevent because impact sustains damage fan or cigarette detecting unit.
Description of drawings
Fig. 1 is the front view of expression first embodiment of the present invention.
Fig. 2 is the amplification stereogram in conjunction with part.
Fig. 3 is that expression is covered and wanted portion's enlarged drawing under the closed condition.
Fig. 4 is that expression is covered and wanted portion's enlarged drawing under the open mode.
Fig. 5 is the embodiment of expression smoke detector of the present invention, is the key diagram of the primary structure of smoke detector.
Fig. 6 is in the same embodiment of expression, in smoke detector, assembled fan and cigarette detecting unit state want portion's stereographic map, (a) side above the expression, (b) the following side of expression.
Fig. 7 is in the same embodiment of expression, the side view of the same state.
Fig. 8 is in the same embodiment of expression, has assembled fan and cigarette detecting unit etc., and is accommodated in the cut-open view of the state in the casing.
Fig. 9 is the stereographic map of the casing of expression smoke detector, (a) side above the expression, (b) side below the expression.
Figure 10 is in the same embodiment of expression, the cut-open view of the casing of smoke detector.
Figure 11 is in the same embodiment of expression, under the state on the casing that lid is installed in smoke detector, with the cut-open view of the different sections of Figure 10.
Embodiment
With reference to Fig. 1～Fig. 4 first embodiment of the present invention is described.
Electronic device for example fire signal receiver 1 comprises: shell (casing) 3; By the lid (lid) 5 of hinge portion 4 with these shell 3 bindings; And as the holding section 12 of locking mechanism.This holding section 12 constitutes by fastener 19 and by fastener 7.
Described shell 3 forms casing substantially by resin material, and its end face 3a is an opening.On this shell 3, be provided with by fastener 7.This is comprised by fastener 7: through hole 8, break-through are arranged on the side 3s of described shell 3; Shaft component, for example screw 9, insert this through hole 8 from the outside; Bearing components, for example, nut 11 is screwed on this screw 9; And shaft component press section 10, have the pilot hole (omitting diagram) that the front end 9a of this screw 9 inserts.Described screw 9 inserts in the mode vertical with the inside surface 3b of shell 3, and described nut 11 fixes screw 9 with the front end 9a with described screw 9 from the state that the pilot hole end face 10a in shaft component press section 10 exposes.
Described lid 5 has the capping 5a of the described end face 3a that covers described shell 3.Dispose on described lid 5 and the described fastener 19 that is engaged by fastener 7, what this fastener 19 adopted is in conjunction with part 20.Described section in conjunction with part 20 is a cardinal principle d font, and as shown in Figure 2, it comprises: the installation sheet 23 with mounting hole 21; And approximate コ shape portion 27, it is connected the end of this installation sheet 23, and making substantially, the notch 25 of long hole shape is communicated with.The slotted hole 25a of front end one side of this notch 25 can be closely chimeric with the screw division of screw 9, and the slotted hole 25b of its rear end one side can be closely chimeric with nut 11.Thus, can eliminate screw 9 rocking on diametric(al).
In the first embodiment, (close when covering) during closing cap 5, inside surface 27a and the outside surface 27b of described pilot hole end face 10a and its rear end one side and the inside surface 3b of described shell 3 of front end one side of described approximate コ shape portion 27, be combined together respectively, and make described (chimeric and maintenance) the described notch 25 that passed by fastener 7.
Below, the action of first embodiment is described.
Close when covering state being in, rotate if lid 5 lifted along arrow A 5 directions, then as Fig. 1, shown in Figure 4, fastener in conjunction with part 20 from being broken away from by the screw 9 of fastener 7, both chimeric (engaging) is disengaged, and is in the state of uncapping, and exposed the part of taking in of shell 3.At this moment, lid 5 is owing to being supported on the shell 3 by hinge portion 4, so both can not separate.
Then, if lid 5 along and above-mentioned opposite direction rotate, moving closer to by the screw 9 of fastener 7 of fastener 19 then in conjunction with part 20, notch 25 is chimeric and be fixed on the screw 9.At this moment, inside surface 27a and the outside surface 27b of described pilot hole end face 10a and its rear end one side and the inside surface 3b of described shell 3 in conjunction with front end one side of the described approximate コ shape portion 27 of part 20, be combined together respectively, and, make described (chimeric and maintenance) the described notch 25 that passed by fastener 7.
As the shell 3 of the electronic device of first embodiment, in general, large-scale thin-wall box body, crooked to the inside easily near its each lateral ends, particularly the closer to the centre of side, this tendency is big more.And resin material is not only low than Strength of Metallic Materials, but also needs to consider the influence of shaping conditioned disjunction temperature variation generation.Therefore, when lid 5 was opened, there was the tendency to the bending of arrow A direction in the side 3s of shell 3.
On the other hand, when closing cap 5, by the curve part in conjunction with the outside surface 27b next door of rear end one side of the approximate コ shape portion 27 of part 20, the inside surface 3b of edge shell 3 slides, and the limit is carried out chimeric to the direction extruding of arrow B swimmingly.That is, when closing, the bending of the side 3s of shell 3 is restored.
Thus, at lid 5 when closing,, make shell 3 and lid 5 keep certain positions relation all the time, so switch cover 5 reliably owing to correct the bending of the side 3s of shells 3 along the arrow A direction in conjunction with the approximate コ shape portion 27 of part 20.
The present invention is not limited to above-described embodiment, for example, can dispose plural holding section.
In addition, replace also can in the pilot hole of shaft component press section 10, cutting female screw, screw 9 is twisted thereon as the employed nut of bearing components.
And, because as long as the axial region of shaft component is vertical with the inside surface 3b cardinal principle of described shell 3, so for example can be pressed into inside surface 3b to parallel pin etc. from pilot hole.In this case, owing on the 3s of the side of shell 3, can't see shaft component, so more attractive in appearance.
With reference to Fig. 5～Fig. 8 second embodiment of the present invention is described.Wherein, Fig. 5 is the key diagram of the primary structure of expression smoke detector of the present invention; Fig. 6 be the smoke detector of Fig. 5 assembled under fan and the cigarette detecting unit state want portion's stereographic map ((a) expression above a side, (b) expression below a side); Fig. 7 is the side view under Fig. 6 state; Fig. 8 be Fig. 6 assembling fan and cigarette detecting unit etc. and be accommodated in cut-open view under the casing internal state.
As shown in Figure 5, in smoke detector 101, comprise: cigarette detecting unit 102 with camera bellows 121; Fan 103, by the figure of inflow portion 140 in being laid on monitor area not the sampling of expression as the sampling air SA of detected object, and it is delivered to cigarette detecting unit 102 by introduction channel 104 with pipe arrangement leaked-in air AIR; Light-emitting component 111 is configured in the cigarette detecting unit 102; Photo detectors such as photodiode 112; Air flow sensor 113, the flow of measurement fan 103 or air; Power supply unit 114 is for light-emitting component 111 and photo detector 112 and air flow sensor 113 etc. provide power supply; And fire judging part 115, be connected on the photo detector 112.Wherein, introduction channel 104 is from stream branching portion 133 branches of outlet one side of fan 103, and converge in the stream fluidic junction 132 of outlet one side of fan 103 from the backflow road 106 that cigarette detecting unit 102 refluxes with making sampling air SA, the pressure reduction that utilization produces between stream fluidic junction 132 and stream branching portion 133 (utilizes the flow velocity in the velocity ratio stream branching portion 133 in the stream fluidic junction 132 fast, can make and produce pressure reduction between the two, for example, by stream fluidic junction 132 being arranged on position near the circumferential edge of the moving blade of fan 103, stream branching portion 133 is arranged on position away from the circumferential edge of the moving blade of fan 103, can makes and produce pressure reduction between the two.), sampling air SA by cigarette detecting unit 102, is back to outlet one side of fan 103 after being filtered device 105 filtrations from introduction channel 104 then from backflow road 106.
At the central part of the camera bellows 121 of cigarette detecting unit 102, be provided with inspection cigarette portion 125, sampling air SA at this moment, detects flue dust with optical mode by this inspection cigarette portion 125.Examining cigarette portion 125 in addition also comprises: the light collector 123, collector lens 124 and the hole 126 that are arranged on light shielding part 122.
In addition, fire judging part 115 comprises: the amplifying circuit that the output signal S of photo detector 112 is amplified, the conversion of signals of this amplifying circuit is become to detect the A/D converter of level, reaches the comparator circuit that predefined Threshold value is judged breaking out of fire when above detecting level.
In Fig. 5, for convenience of explanation, fan 103 and cigarette detecting unit 102 illustrate with separated position, but in fact, as Fig. 6～shown in Figure 8, both be with near and the overlapping mode in top and the bottom be configured on the different layers.
Specifically, as shown in Figure 6 and Figure 7, fan 103 is installed on the upper surface 130a of pedestal 130, and substantially L shaped cigarette detecting unit 102 is installed on the lower surface 130b of pedestal 130, both with near and be configured on the bilevel different layers by the overlapping mode in pedestal 130 top and the bottom.And, though fan 103 and cigarette detecting unit 102 top and the bottom are overlapping, but on the position of the air entry 103a of fan 103 central authorities, both dispose in nonoverlapping mode, with the air entry 103a of fan 103 across pedestal position overlapped about in the of 130, the side of contiguous cigarette detecting unit 102 is provided with inflow portion 140.In addition, this inflow portion 140 connects pedestal 130, and is relative with the air entry 103a of fan 103, forms the peristome 140a that is communicated with inflow portion 140 and air entry 103a.
As shown in Figure 8, be arranged on cigarette detecting unit 102 on the pedestal 130 and fan 103 with aforesaid configuration mode, be accommodated in the integrally formed receiving room 145 of casing 150 in.The upper opening of receiving room 145 is contained chamber cap (lid) 146 by liner 147 sealings, and the upper opening of casing 150 is covered by switch Box Cover 151 freely.And, with the inflow portion 140 of cigarette detecting unit 102 adjacent settings utilize from downside cover it receiving room 145 a part and form tubulose.
And, air from the stopple coupon of not representing among the figure that is laid on monitor area, attracted by fan 103 by inflow portion 140, shunted from the portion of air that the exhausr port 103b of fan 103 discharges, as inflow entrance 102a and the flow export 102b of sampling air SA by cigarette detecting unit 102, flow through the inspection cigarette portion 125 in the camera bellows 121, detected with optical mode after the flue dust herein, be back to outlet one side of fan 103.And, the exhausr port 103b of fan 103 with in the figure of the outside drain of casing 150 sampling air not the gas outlet of expression link to each other.
At this, the concrete grammar that is used to make casing 150 miniaturizations is described.At first, the gap in L shaped substantially cigarette detecting unit 102 sides, the inflow portion 140 of the air entry 103a of fan 103 is led in configuration.In addition, pedestal 130 dual-purposes are the lid of the air-breathing part of the lid of cigarette detecting unit 102 and fan 103.And, the inflow entrance 102a of cigarette detecting unit 102 and flow export 102b are positioned at and approaching position of the exhausr port 103b of fan 103 etc.Thus, from the exhausr port 103b of fan 103 to stream branching portion 133; Inflow entrance 102a from stream branching portion 133 to cigarette detecting unit 102; Combined length from the flow export 102b of cigarette detecting unit 102 to stream fluidic junction 132 needed pipe arrangements only is about 200mm.In addition, receiving room 145 needed spaces for example are: vertically about 140～160mm, horizontal about 100～120mm, highly about 50～70mm get final product, and so just can make casing 150 enough miniaturizations.
As mentioned above, in smoke detector 101 of the present invention, because cigarette detecting unit 102 with fan 103 top and the bottom are overlapping and make them approaching on the different layers by being configured in, can be accommodated in the receiving room 145 of casing 150, so can shorten the pipe arrangement part between cigarette detecting unit 102 and the fan 103, thereby can make casing 150 miniaturizations.
In addition, took in chamber cap (lid) at 146 o'clock in installation, receiving room 145 is by 147 sealings of tabular liner, so can not soak.And, owing to there is no need for cigarette detecting unit 102 and fan 103 proof mechanism of water to be set respectively, so can make the part cost degradation.
In the above example that smoke detector 101 of the present invention is described, it is upstream one side that fan 103 is arranged on cigarette detecting unit 102, simultaneously fan 103 and cigarette detecting unit 102 are disposed in approaching mode up and down, but also fan 103 can be arranged on downstream one side of cigarette detecting unit 102, simultaneously fan 103 and cigarette detecting unit 102 be disposed up and down.
With reference to Fig. 9～Figure 11 the 3rd embodiment of the present invention is described.Wherein, Fig. 9 is the stereographic map (side above (a) expression, (b) side below the expression) of the casing of smoke detector of the present invention; Figure 10 is the cut-open view of the casing of Fig. 9.Figure 11 is the casing of Fig. 9 and the cut-open view of the different sections of Figure 10.
As Fig. 9～shown in Figure 11, the receiving room 145 of taking in fan 103 and cigarette detecting unit 102 separates the sidewall of the spaced sidewall 157 of regulation for madial wall 157a and lateral wall 157b double structure in the control basal plate incorporating section 156 of its control basal plate 155.And, in the 3rd embodiment, also be the sidewall of madial wall 159a and lateral wall 159b double structure with the sidewall 159 of the casing 150 of the sidewall 157 opposite sides of the double structure of receiving room 145.Receiving room 145 is integrally formed with casing 150, and the sidewall 159 of the sidewall 157 of the double structure of receiving room 145 and the double structure of casing 150 is the member formation as one.
In addition, the sidewall that had of inflow portion 140 and exhausr port 160 also is same structure.
And the upper opening of receiving room 145 is contained chamber cap (lid) 146 by liner 147 sealings, and the upper opening of casing 150 is by switch Box Cover 151 sealings freely.In addition, utilize the part of the receiving room 145 that covers from its downside and form tubulose with the inflow portion 140 of cigarette detecting unit 102 adjacent settings.
And, air from the stopple coupon of not representing among the figure that is laid on monitor area, attracted by fan 103 by inflow portion 140, its part is shunted, as inflow entrance and the flow export of sampling air SA by not representing among the figure of cigarette detecting unit 102, flow through the inspection cigarette portion 125 in the camera bellows 121,, be back to outlet one side of fan 103 herein with after the detected flue dust of optical mode.
And outlet one side of fan 103 links to each other with the exhausr port 160 of the air of taking a sample to the outside drain of casing 150.
In smoke detector 101 of the present invention, because being contained the sidewall 157 of the double structure of chamber 145, fan 103 and cigarette detecting unit 102 and control basal plate incorporating section 156 separate, so can make heat be difficult to be delivered to cigarette detecting unit 102 or fan 103 from the power supply unit of control basal plate 155, thereby can prevent from the light source in the cigarette detecting unit 102 or the moving blade of fan 103 etc. to be sustained damage owing to be heated, and, can also make the vibration of fan 103 be difficult to be delivered to control basal plate 155, thereby can prevent because vibration causes control basal plate 155 misoperations.In addition, because the sidewall 159 of casing 150 is a double structure, even the sidewall 159 to casing 150 applies external force, institute is hit and also is difficult to be delivered to fan 103 or cigarette detecting unit 102, thereby can prevent because impact sustains damage fan 103 or cigarette detecting unit 102.
In addition, among the lateral wall of double structure all around, sidewall 157 is only arranged in casing 150, control basal plate incorporating section 156 is separated, the lateral wall of remaining double structure all is also used as the wall all around of casing 150, thus can make casing 150 miniaturizations, and, the dividing plate of cigarette detecting unit 102 and fan 103 and control basal plate 155 all only facing one direction, so be not vulnerable to mutual interference.And, because four jiaos mounting hole 161 of casing 150 is arranged on the outside of the lateral wall of double structure, be provided with under the situation that rear surface deforms, the lateral wall of casing 150 is out of shape, but, sustain damage so can prevent fan 103 or cigarette detecting unit 102 because madial wall is indeformable.
Claims (6)
1. electronic device, it comprises:
Shell is approximate box shape, the end face opening;
Cover, have the capping of the described end face that covers this shell;
Hinge portion is arranged between described shell and the described lid, makes the described lid can switch with respect to described shell; And
The holding section is used to keep the closed condition of described lid with respect to described shell;
It is characterized in that described holding section comprises by fastener and fastener,
Describedly be configured in the described shell, have by fastener: shaft component, its axial region is vertical substantially with the inside surface of described shell; And bearing components, fix from the state that the pilot hole end face of shaft component press section exposes with the front end of this shaft component;
Described fastener comprises that in conjunction with part described have in conjunction with part: installation sheet is installed in described covering; With approximate コ shape portion, the end that it is connected this installation sheet is communicated with the notch of approximate long hole shape.
2. electronic device according to claim 1, it is characterized in that, when closing cap, the outside surface of rear end one side of the inside surface of front end one side of described approximate コ shape portion and described pilot hole end face and described approximate コ shape portion and the inside surface of described shell, be combined together respectively, and describedly passed described notch by fastener and carry out chimeric by making.
3. smoke detector, it comprises in the casing that is approximate box:
Fan attracts the sampling air from sampling with pipe arrangement; And
The cigarette detecting unit imports from the sampling air of this sampling with pipe arrangement;
It is characterized in that, in this casing, be provided with receiving room, be used to take in mutually near and be configured in this fan and this cigarette detecting unit of different layers up and down.
4. smoke detector according to claim 3 is characterized in that this receiving room is sealed by lid.
5. smoke detector, it comprises in the casing that is approximate box:
Fan attracts the sampling air from sampling with pipe arrangement; And
The cigarette detecting unit imports from the sampling air of this sampling with pipe arrangement;
It is characterized in that, be provided with the receiving room of taking in this fan and this cigarette detecting unit in this casing, in the circuit substrate incorporating section of this casing, the sidewall that separates spaced this receiving room of regulation is a double structure.
6. smoke detector according to claim 5 is characterized in that, the sidewall of this casing is a double structure.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008089472A JP4828562B2 (en) | 2008-03-31 | 2008-03-31 | smoke detector |
| JP2008089473A JP4885900B2 (en) | 2008-03-31 | 2008-03-31 | smoke detector |
| JP2008-091049 | 2008-03-31 | ||
| JP2008091049A JP4727685B2 (en) | 2008-03-31 | 2008-03-31 | Opening and closing structure of electrical equipment |
| JP2008-089473 | 2008-03-31 | ||
| JP2008091049 | 2008-03-31 | ||
| JP2008089473 | 2008-03-31 | ||
| JP2008089472 | 2008-03-31 | ||
| JP2008-089472 | 2008-03-31 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110362942.0A Division CN102496233B (en) | 2008-03-31 | 2009-03-04 | Electrical device and smoke detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101551932A true CN101551932A (en) | 2009-10-07 |
| CN101551932B CN101551932B (en) | 2012-05-02 |
Family
ID=41156158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101181395A Expired - Fee Related CN101551932B (en) | 2008-03-31 | 2009-03-04 | Electronic instrument and smoke detector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4727685B2 (en) |
| CN (1) | CN101551932B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958032A (en) * | 2010-09-27 | 2011-01-26 | 江苏大学 | Wireless sensor smoke detection device for fire protection and detection method thereof |
| CN102314745A (en) * | 2010-07-06 | 2012-01-11 | 鼎盛特安全预警技术(北京)有限公司 | Smoke-sensing fire detection alarming device |
| CN115240358A (en) * | 2022-05-25 | 2022-10-25 | 中国船舶重工集团公司第七0三研究所 | A formula of breathing in smoke is felt and is surveyed structure for smog concentration detection |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101716733B1 (en) * | 2015-12-18 | 2017-03-15 | 에스티엑스조선해양 주식회사 | Practical fire alarm line with a magnetic body structure |
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| JP2520046B2 (en) * | 1990-10-19 | 1996-07-31 | 能美防災株式会社 | Fire alarm equipment |
| JP2594508Y2 (en) * | 1992-10-16 | 1999-04-26 | ホーチキ株式会社 | Cover mounting device |
| JPH09270074A (en) * | 1996-03-29 | 1997-10-14 | Alps Electric Co Ltd | Portable warning device |
| JP3429952B2 (en) * | 1996-05-31 | 2003-07-28 | 株式会社リコー | Image reading device |
| JP3189205B2 (en) * | 1996-09-02 | 2001-07-16 | 矢崎総業株式会社 | Double lock structure |
| US5926098A (en) * | 1996-10-24 | 1999-07-20 | Pittway Corporation | Aspirated detector |
| CN1243296A (en) * | 1998-06-15 | 2000-02-02 | 能美防灾株式会社 | Fire-condition control and indication apparatus |
| JP4086383B2 (en) * | 1998-11-04 | 2008-05-14 | 松下電器産業株式会社 | Wall-mounted disaster prevention amplifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102314745A (en) * | 2010-07-06 | 2012-01-11 | 鼎盛特安全预警技术(北京)有限公司 | Smoke-sensing fire detection alarming device |
| CN102314745B (en) * | 2010-07-06 | 2013-07-10 | 鼎盛特安全预警技术(北京)有限公司 | Smoke-sensing fire detection alarming device |
| CN101958032A (en) * | 2010-09-27 | 2011-01-26 | 江苏大学 | Wireless sensor smoke detection device for fire protection and detection method thereof |
| CN115240358A (en) * | 2022-05-25 | 2022-10-25 | 中国船舶重工集团公司第七0三研究所 | A formula of breathing in smoke is felt and is surveyed structure for smog concentration detection |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4727685B2 (en) | 2011-07-20 |
| JP2009245168A (en) | 2009-10-22 |
| CN101551932B (en) | 2012-05-02 |
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