CN105115529A - Security sensor - Google Patents
Security sensor Download PDFInfo
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- CN105115529A CN105115529A CN201510512607.2A CN201510512607A CN105115529A CN 105115529 A CN105115529 A CN 105115529A CN 201510512607 A CN201510512607 A CN 201510512607A CN 105115529 A CN105115529 A CN 105115529A
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- base
- prime
- sub
- cover
- optical filter
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Abstract
The invention discloses a security sensor which comprises a base, a surface cover, a circuit board, a PD prime, a filter and a PD holder. A shaft rotation mechanism is arranged between the base and the surface cover. Through a rotating shaft structure, the base and the surface cover can integrally rotate and can be split, so that integral installation and split installation can be realized. An anti-opening structure is arranged between the base and the surface cover. Non-professionals are prevented from freely opening the surface cover and touching sensitive elements in the sensor, so that the function is not affected. According to the invention, a weld leg of the PD prime passes through a through hole of the PD holder, and then is welded to the circuit board; and once the weld leg and the circuit board are fixed, the PD holder are prevented from shedding and shifting.
Description
Technical field
The present invention relates to inductor art, refer in particular to a kind of security protection inductor.
Background technology
The inductor of safety-protection system mainly comprises infrared alarm detector, microwave detector, shock sensor, ultrasonic detector, smoke detector etc., and these detectors are installed on body of wall or ceiling, bring guarantee to user security.
The structure of security protection inductor generally comprises base and cover, installs sensitive element and circuit board between base and cover in the space formed.But traditional security protection inductor is due to the limitation of its structural design, there is following defect:
1, the assembling mode of base and cover generally has two kinds, and one is base and cover split-type design, when this kind of inductor is installed on body of wall or ceiling, generally need to dismantle cover, base and body of wall are fitted, then turns round to tighten up a screw and be fixed on body of wall, finally fasten cover.Another kind is base and cover integral design, the cover of this kind of inductor can be opened, but can not pull down and be separated with base, during installation, can only cover be opened, turning round tightens up a screw again makes base be fixed on body of wall, all there is drawback during this two kinds of structure installment, loaded down with trivial details time-consuming during the first structure installment, the second structure is when installing space is less, bring difficulty to installation, even cannot install.
2, traditional security protection inductor can adopt container (as poly-bag, carton etc.) to store installation screw, one side container can cause waste, and on the other hand, installation personnel may ignore the screw of receptacle, and then using other non-dedicated screw to install, impact uses.
3, the mounting means of filter supporter is generally filter supporter be directly enclosed within induction sub-prime, and than being easier to displacement, even come off, the function of inductor and performance will be affected.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its fundamental purpose is to provide a kind of security protection inductor, can prevent uncapping on the one hand, to protect the sensitive element of inductor inside, sensitive element and optical filter are reliable and stable after installing on the other hand, are not easily shifted or come off; The third aspect, cover and base both can rotate by disjunctor, again can the two split, conveniently installation.
For achieving the above object, the present invention adopts following technical scheme:
A kind of security protection inductor, comprises base, cover, circuit board, PD sub-prime, optical filter and PD support,
Be provided with Zhou Xuan mechanism between this base and cover, this Zhou Xuan mechanism screws on seat and axle by axle and screws off seat and form, and this axle screws on seat and is arranged on cover, and this axle screws off seat and is arranged on base; This axle screws on seat and comprises supporting base, and supporting base is provided with axis hole and arc overturns convex axle; This axle screws off seat and comprises two cantilevers, and these two cantilevers are equipped with convex axle, and the side between two cantilevers is provided with a lining arm, and this lining arm is provided with arc upset and hooks groove; Described two cantilevers snap in supporting base both sides, and convex axle is arranged in axis hole, and the arc upset hook groove movable of a lining arm is overlapped in this arc and overturns on convex axle;
Engaging support mechanism is provided with between base and cover, this engaging support mechanism is made up of elastic button and buckle, this elastic button is located on base, this buckle is located on cover, form the deformation space that can produce deformation for elasticity button press between this elastic button and base body, the screw that can prevent from uncapping is installed in this deformation space;
This optical filter and PD sub-prime are by PD support installing in circuit board, and this PD support is flexible glue heat-barrier material, and the top of described PD support is provided with optical filter mounting groove, and described optical filter is fixed in this optical filter mounting groove; The bottom of described PD support is provided with PD sub-prime mounting groove, and the bottom surface of this PD sub-prime mounting groove has multiple through hole, and described PD sub-prime is provided with multiple leg, and each leg is welded on circuit board through corresponding through hole.
As a kind of preferred version, described supporting base both sides are provided with the first insertion groove, and this first insertion groove is through to axis hole by the dorsal part of supporting base, and the degree of depth of the first insertion groove flushes with axis hole.
As a kind of preferred version, described supporting base is provided with the second insertion groove, and this second insertion groove is recessed in the both sides, top of supporting base, and the degree of depth of the second insertion groove is less than the degree of depth of axis hole.
As a kind of preferred version, described elastic button is connected U-shaped elastic arm with one between base body, and the inner space of this U-shaped elastic arm defines described deformation space.
As a kind of preferred version, be provided with projection in described deformation space, define screw installation position between projection and base body, described screw is located in this screw installation position.
As a kind of preferred version, described screw installation position has two, and the screw of correspondence has two, and described base body is to should being provided with and dodging breach in screw installation position.
As a kind of preferred version, described PD support is provided with angle, and circuit board is provided with pilot hole, and this angle is inserted in pilot hole.
As a kind of preferred version, described optical filter mounting groove is rectangle, and the optical filter of correspondence is rectangle, and in four, the inner side of this optical filter mounting groove, angle position is provided with draw-in groove, four angles of each draw-in groove clamping optical filter.
As a kind of preferred version, described PD sub-prime mounting groove is circular, and the PD sub-prime of correspondence is circular, and be provided with fool proof recess in this PD sub-prime mounting groove, the PD sub-prime of correspondence is provided with projection, and this projection snaps in contraposition in this fool proof recess.
As a kind of preferred version, the end face of described PD support is provided with the incidence surface of inclination, and the angle of the incidence surface of this inclination is 106 °.
The present invention compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution,
First: the present invention devises anti-cover-opening structure, by locking screw in deformation space, prevent layman from arbitrarily opening cover, the sensitive element inside touch inductor and affect function.
Second: screw on seat and axle by axle and screw off the shaft structure that seat formed, cover and base can be rotated by disjunctor, again can both splits, so that realize two kinds of installations: after the security protection inductor be assembled into one can being opened cover, entirety is fixed to metope or ceiling (one is installed), also after cover can being pulled down, first base is fixed to metope or ceiling, then assembles cover (partial installation);
Moreover, because arc upset hook groove and arc overturn convex shaft design, after making base and cover open certain angle, base and cover can be made to form a fixed angle, during installation, facilitate the turn of the screw and wiring.In addition, be only bonding relation because arc upset hook groove and arc overturn convex axle, instead of be fixedly connected with relation, when pulling cover if force, arc upset hook groove and arc can be made to overturn convex axle and depart from, so that base and cover are thrown off, can not shaft structure be damaged.Further, when cantilever and convex axle appearance fracture, convex axle can be overturn by the arc upset hook groove of a lining arm and arc and form hook, ensure that cover and base do not come off, still can ensure that product normally works.
3rd: the leg of PD sub-prime of the present invention is first welded on circuit board through after the through hole of PD support again, once leg and circuit board are fixed, PD support does not just exist the risk coming off or be shifted, relative to traditional design, installation of the present invention and fix more reliable.In addition PD support adopts soft heat-barrier material; PD sub-prime and optical filter can be fixed; coming off and playing buffer effect in transportation again; protect PD sub-prime better and optical filter is not damaged; simultaneously; its heat-proof quality, makes PD sub-prime in use not by external environment condition variable effect, can guarantee the sensitivity of inductor.
For more clearly setting forth architectural feature of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the embodiment of the present invention, is visual angle, product front in figure;
Fig. 2 is the one-piece construction schematic diagram of the embodiment of the present invention, is visual angle, the product back side in figure;
Fig. 3 is the exploded view of the embodiment of the present invention;
Fig. 4 is the schematic diagram that the cover of the embodiment of the present invention opens certain angle;
Fig. 5 is the enlarged diagram at A place in Fig. 4;
Fig. 6 is the schematic diagram of the anti-cover-opening structure of the embodiment of the present invention;
Fig. 7 is the schematic diagram after locking screw in Fig. 6;
Fig. 8 is the schematic rear view of the base of the embodiment of the present invention;
Fig. 9 is the cut-open view at D-D place in Fig. 8;
Figure 10 is the enlarged diagram at B place in Fig. 9;
Figure 11 is the constitutional diagram of pressing elastic button in Figure 10, and diagram does not lock screw;
Figure 12 is the constitutional diagram of pressing elastic button in Figure 10, and diagram locks screw;
Figure 13 is the schematic diagram of the base of the embodiment of the present invention;
Figure 14 is the schematic diagram of the cover of the embodiment of the present invention;
Figure 15 is the schematic diagram of the Zhou Xuan mechanism of the embodiment of the present invention;
Figure 16 is the schematic diagram that the axle of the embodiment of the present invention screws on seat;
Figure 17 is the schematic diagram that the axle of the embodiment of the present invention screws off seat;
Figure 18 is the schematic diagram of the PD support of the embodiment of the present invention;
Figure 19 is the bottom schematic view of Figure 18;
Figure 20 is the vertical view of PD support;
Figure 21 is the cut-open view at A-A place in Figure 20;
Figure 22 is the cut-open view at B-B place in Figure 20;
Figure 23 is the cut-open view of the PD support of the embodiment of the present invention.
Accompanying drawing identifier declaration:
1, base 2, cover
3, insect protected sponge 4, circuit board
41, pilot hole 5, PD support
51, optical filter mounting groove 52, PD sub-prime mounting groove
53, through hole 54, angle
55, draw-in groove 56, fool proof recess
57, incidence surface 6, PD sub-prime
61, leg 62, projection
7, optical filter 8, PD insect protected sponge
9, lens carrier 10, lens
11, fix inscription plate 12, anti-fake label
13, CCC paster 14, screw
15, engaging support mechanism 151, elastic button
152, buckle 153, U-shaped elastic arm
154, deformation space 155, projection
156, screw installation position 157, dodge breach
16, Zhou Xuan mechanism 161, axle screw on seat
1611, supporting base 1612, axis hole
1613, arc overturns convex axle 1614, first insertion groove
1615, dorsal part 1616, second insertion groove
1617, top 162, axle screw off seat
1621, cantilever 1622, convex axle
1623, prop up lining arm 1624, arc upset hooks groove.
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, that show the concrete structure of the preferred embodiment of the present invention, it is a kind of security protection inductor, its structure comprises base 1 and cover 2, is provided with insect protected sponge 3, circuit board 4, PD support 5, PD sub-prime 6, optical filter 7, PD insect protected sponge 8 in the inner space that base 1 and cover 2 are formed.This cover 2 is provided with lens 10 support 9, lens 10 support 9 is provided with lens 10, also the inscription plate 11 that fixes is installed on lens 10 support 9.Anti-fake label 12 and CCC paster 13 are pasted in the bottom surface of this base 1, are also provided with the screw 14 can preventing uncapping.
Wherein, as shown in Fig. 4 to Figure 12, be provided with engaging support mechanism 15 between base 1 and cover 2, this engaging support mechanism 15 is made up of elastic button 151 and buckle 152, and this elastic button 151 is located on base 1, and this buckle 152 is located on cover 2.Between this elastic button 151 with base 1 main body, one is connected U-shaped elastic arm 153, the inner space of this U-shaped elastic arm 153 defines deformation space 154, this deformation space 154 is supplied to elastic button 151 and presses the position producing deformation, when pressing elastic button 151, drive the projection 62 of both sides to depart from the buckle 152 on cover 2 to unlock simultaneously, now can open cover 2.
In order to prevent layman from arbitrarily opening cover, the sensitive element inside touch inductor and affect function, the anti-cover-opening structure of this product design, specifically refers to, is provided with the screw 14 that can prevent from uncapping in deformation space 154.In the present embodiment, be provided with projection 155 in described deformation space 154, define screw installation position 156 between projection 155 and base 1 main body, described screw 14 is located in this screw installation position 156.Described screw installation position 156 has two, and the screw 14 of correspondence has two, and certainly, product specifically needs to install how many screws 14 and can set according to needs, such as, but also only installs 1 screw.In addition, in order to make installation screw cap have enough spaces, also in described base 1 main body to should being provided with and dodging breach 157 in screw installation position 156.
The principle of work of the anti-cover-opening structure of the security protection inductor of the present invention is as follows: as shown in Figure 10, when taking off screw 14, the inner foreign of this deformation space 154, press elastic button 151 as shown in figure 11, extrude in deformation space 154, fastening structure is unlocked, cover 2 can be opened, when cover 2 opens to angle as shown in Figure 4, can tighten up a screw in this security protection inductor, with installation sites such as ceiling fixing easily or bodies of wall.Security protection inductor is in a pre-installation or after completing installation, generally by cover 2 under lock and key, prevent layman from arbitrarily opening cover, the sensitive element inside touch inductor and affect function, as shown in figure 12,14 are tightened up a screw in deformation space 154, because screw 14 takes the position of deformation space 154, even if pressing elastic button 151, also cannot press, can not fastening structure be unlocked, thus cover 2 cannot be opened.Prevent layman from arbitrarily opening cover, the sensitive element inside touch inductor and affect function.
As shown in Figure 13 to Figure 17, Zhou Xuan mechanism 16 is provided with between this base 1 and cover 2, this Zhou Xuan mechanism 16 screws on seat 161 and axle by axle and screws off seat 162 and form, this axle screws on seat 161 and is arranged on cover 2, this axle screws off seat 162 and is arranged on base 1, cover 2 and base 1 can be overturn, so that uncap and closing lid along rotating shaft.
Wherein, this axle screws on seat 161 and comprises supporting base 1611, and supporting base 1611 is provided with axis hole 1612 and arc overturns convex axle 1613; This axle screws off seat 162 and comprises two cantilevers 1621, and these two cantilevers 1621 are equipped with convex axle 1622, and the side between two cantilevers 1621 is provided with a lining arm 1623, and this lining arm 1623 is provided with arc upset and hooks groove 1624; Described two cantilevers 1621 snap in supporting base 1611 both sides, and convex axle 1622 is arranged in axis hole 1612, and arc upset hook groove 1624 movable of a lining arm 1623 is overlapped in this arc and overturns on convex axle 1613.This kind of design, makes cover 2 and base 1 can rotate along convex axle 1622, and when rotating, arc upset hook groove 1624 againsts arc and overturns convex axle 1613 surface pivots, being formed spacing, making both cover 2 and base 1 open certain angle when turning to summit.Open cover 2 if continue, arc upset hook groove 1624 can be caused to depart from arc and overturn convex axle 1613, cause cover 2 and base 1 to depart from, cover 2 and base 1 can be separated.
As shown in figure 16, described supporting base 1611 both sides are provided with the first insertion groove 1614, and this first insertion groove 1614 is through to axis hole 1612 by the dorsal part 1615 of supporting base 1611, and the degree of depth of the first insertion groove 1614 flushes with axis hole 1612.When cover 2 is installed on base 1, two cantilevers 1621 can be made to insert from this first insertion groove 1614, make convex axle 1622 be arranged in axis hole 1612, to form the first revolute axes configuration.This kind of revolute axes configuration flushes with axis hole 1612 due to the degree of depth of the first insertion groove 1614, and after two cantilevers 1621 insert the first insertion groove 1614, Ke Anyuan exits on road the first insertion groove 1614.
In addition, described supporting base 1611 is provided with the second insertion groove 1616, and this second insertion groove 1616 is recessed in the both sides, top 1617 of supporting base 1611, and the degree of depth of the second insertion groove 1616 is less than the degree of depth of axis hole 1612.When cover 2 is installed on base 1, two can also be made to serve as a contrast arm 1623 and to insert from this second insertion groove 1616, make convex axle 1622 be arranged in axis hole 1612, to form the second revolute axes configuration.This kind of revolute axes configuration is less than the degree of depth of axis hole 1612 due to the degree of depth of the second insertion groove 1616, after two cantilevers 1621 insert the second insertion groove 1616, cannot exit from the second former road of insertion groove 1616, only have and rotate to the first insertion groove 1614 position, just can extract two cantilevers 1621 out.In a word, the present embodiment devises two insertion grooves, and cantilever 1621 can be installed from two different insertion grooves, easy to use.
As shown in Figure 18 to Figure 23, this optical filter 7 and PD sub-prime 6 are installed on circuit board 4 by PD support 5.Wherein, the top 1617 of described PD support 5 is provided with optical filter mounting groove 51, and described optical filter 7 is fixed in this optical filter mounting groove 51; The bottom of described PD support 5 is provided with PD sub-prime mounting groove 52, and the bottom surface of this PD sub-prime mounting groove 52 has multiple through hole 53, and described PD sub-prime 6 is provided with multiple leg 61, and each leg 61 is welded on circuit board 4 through corresponding through hole 53.This kind of mounting means, leg 61 due to PD sub-prime 6 is first through being welded on circuit board 4 again after the through hole 53 of PD support 5, once leg 61 is fixed with circuit board 4, namely whole PD support 5 forms entirety with PD sub-prime 6, just there is not the risk come off in PD support 5, relative to traditional design, installation of the present invention and fixing more reliable.
In addition, described PD support 5 is provided with angle 54, and circuit board 4 is provided with pilot hole 41, and this angle 54 is inserted in pilot hole 41, so that position when welding the leg 61 of PD sub-prime 6.In the present embodiment; this PD support 5 is flexible glue heat-barrier materials; by the flexible glue performance of PD support 5; buffer action can be played on the one hand in transportation; protect inner PD sub-prime 6 and optical filter 7 better; on the other hand; the flange at top 1617 can be dug when mounted; so that expose optical filter mounting groove 51; optical filter 7 can rapid card surely in groove; the third aspect possesses heat-proof quality due to it, and in use PD sub-prime 6 is not by external environment condition variable effect, can guarantee the sensitivity of inductor.
As shown in Figure 21 to Figure 23, described optical filter mounting groove 51 is rectangle, and the optical filter 7 of correspondence is rectangle, and in four, the inner side of this optical filter mounting groove 51, angle position is provided with draw-in groove 55, and each draw-in groove 55 clamps four angles of optical filter 7.Described PD sub-prime mounting groove 52 is circular, the PD sub-prime 6 of correspondence is circular, fool proof recess 56 is provided with in this PD sub-prime mounting groove 52, the PD sub-prime 6 of correspondence is provided with projection 62, this projection 62 snaps in contraposition in this fool proof recess 56, guarantee that PD sub-prime 6 only just can load in PD sub-prime mounting groove 52 in correct direction, ensure the PD each leg 61 of sub-prime 6 connection one_to_one corresponding on the circuit board 4.
Further, the end face of described PD support 5 is provided with the incidence surface 57 of inclination, and the angle of the incidence surface 57 of this inclination is 106 °, and the design of incidence surface 57 can expand into angular, makes PD sub-prime 6 can detect wider scope.
In sum, design focal point of the present invention is:
First: the present invention devises anti-cover-opening structure, by locking screw 14 in deformation space 154, prevent layman from arbitrarily opening cover, the sensitive element inside touch inductor and affect function.
Second: screw on seat 161 and axle by axle and screw off the shaft structure that seat 162 formed, cover 2 and base 1 can be rotated by disjunctor, again can both splits, so that realize two kinds of installations: after the security protection inductor be assembled into one can being opened cover 2, entirety is fixed to metope or ceiling (one is installed), also after cover 2 can being pulled down, first base 1 is fixed to metope or ceiling, then assembles cover 2(partial installation);
Moreover, because arc upset hook groove 1624 and arc overturn the design of convex axle 1613, after making base 1 and cover 2 open certain angle, base 1 and cover 2 can be made to form a fixed angle, during installation, facilitate the turn of the screw and wiring.In addition, be only bonding relation because arc upset hook groove 1624 and arc overturn convex axle 1613, instead of be fixedly connected with relation, when pulling cover 2 if force, arc upset hook groove 1624 and arc can be made to overturn convex axle 1613 depart from, so that base 1 and cover 2 are thrown off, can not shaft structure be damaged.Further, when cantilever 1621 and convex axle 1622 appearance fracture, convex axle 1613 can be overturn by the arc upset hook groove 1624 of a lining arm 1623 and arc and form hook, ensure that cover 2 and base 1 do not come off, still can ensure that product normally works.
3rd: the leg 61 of PD sub-prime 6 of the present invention is first through being welded on circuit board 4 again after the through hole 53 of PD support 5, once leg 61 is fixed with circuit board 4, just there is not the risk come off in PD support 5, relative to traditional design, and installation of the present invention and fixing more reliable.In addition PD support 5 adopts soft heat-barrier material; PD sub-prime 6 and optical filter 7 can be fixed; coming off and playing buffer effect in transportation again; protect PD sub-prime 6 better and optical filter 7 is not damaged; simultaneously; its heat-proof quality, makes PD sub-prime 6 in use not by external environment condition variable effect, can guarantee the sensitivity of inductor.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a security protection inductor, comprises base, cover, circuit board, PD sub-prime, optical filter and PD support, it is characterized in that:
Be provided with Zhou Xuan mechanism between this base and cover, this Zhou Xuan mechanism screws on seat and axle by axle and screws off seat and form, and this axle screws on seat and is arranged on cover, and this axle screws off seat and is arranged on base; This axle screws on seat and comprises supporting base, and supporting base is provided with axis hole and arc overturns convex axle; This axle screws off seat and comprises two cantilevers, and these two cantilevers are equipped with convex axle, and the side between two cantilevers is provided with a lining arm, and this lining arm is provided with arc upset and hooks groove; Described two cantilevers snap in supporting base both sides, and convex axle is arranged in axis hole, and the arc upset hook groove movable of a lining arm is overlapped in this arc and overturns on convex axle;
Engaging support mechanism is provided with between base and cover, this engaging support mechanism is made up of elastic button and buckle, this elastic button is located on base, this buckle is located on cover, form the deformation space that can produce deformation for elasticity button press between this elastic button and base body, the screw that can prevent from uncapping is installed in this deformation space;
This optical filter and PD sub-prime are by PD support installing in circuit board, and this PD support is flexible glue heat-barrier material, and the top of described PD support is provided with optical filter mounting groove, and described optical filter is fixed in this optical filter mounting groove; The bottom of described PD support is provided with PD sub-prime mounting groove, and the bottom surface of this PD sub-prime mounting groove has multiple through hole, and described PD sub-prime is provided with multiple leg, and each leg is welded on circuit board through corresponding through hole.
2. security protection inductor according to claim 1, is characterized in that: described supporting base both sides are provided with the first insertion groove, and this first insertion groove is through to axis hole by the dorsal part of supporting base, and the degree of depth of the first insertion groove flushes with axis hole.
3. security protection inductor according to claim 1 and 2, is characterized in that: described supporting base is provided with the second insertion groove, and this second insertion groove is recessed in the both sides, top of supporting base, and the degree of depth of the second insertion groove is less than the degree of depth of axis hole.
4. security protection inductor according to claim 1, is characterized in that: described elastic button is connected U-shaped elastic arm with one between base body, and the inner space of this U-shaped elastic arm defines described deformation space.
5. security protection inductor according to claim 1, is characterized in that: be provided with projection in described deformation space, defines screw installation position between projection and base body, described screw is located in this screw installation position.
6. security protection inductor according to claim 5, is characterized in that: described screw installation position has two, and the screw of correspondence has two, and described base body is to should being provided with and dodging breach in screw installation position.
7. security protection inductor according to claim 1, is characterized in that: described PD support is provided with angle, and circuit board is provided with pilot hole, and this angle is inserted in pilot hole.
8. security protection inductor according to claim 1, is characterized in that: described optical filter mounting groove is rectangle, and the optical filter of correspondence is rectangle, and in four, the inner side of this optical filter mounting groove, angle position is provided with draw-in groove, four angles of each draw-in groove clamping optical filter.
9. security protection inductor according to claim 1, it is characterized in that: described PD sub-prime mounting groove is for circular, and the PD sub-prime of correspondence is circular, is provided with fool proof recess in this PD sub-prime mounting groove, the PD sub-prime of correspondence is provided with projection, and this projection snaps in contraposition in this fool proof recess.
10. security protection inductor according to claim 1, is characterized in that: the end face of described PD support is provided with the incidence surface of inclination, and the angle of the incidence surface of this inclination is 106 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512607.2A CN105115529B (en) | 2015-08-20 | 2015-08-20 | A kind of security protection inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512607.2A CN105115529B (en) | 2015-08-20 | 2015-08-20 | A kind of security protection inductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105115529A true CN105115529A (en) | 2015-12-02 |
| CN105115529B CN105115529B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510512607.2A Active CN105115529B (en) | 2015-08-20 | 2015-08-20 | A kind of security protection inductor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050280547A1 (en) * | 2004-06-17 | 2005-12-22 | Gerhard Ropke | Alarm annunciator |
| CN2779384Y (en) * | 2005-01-07 | 2006-05-10 | 上海捷耐瑞智能科技有限公司 | Laser beam smoke detector |
| US20070103330A1 (en) * | 2005-11-10 | 2007-05-10 | Mcgrath Patrick | Remotely located battery for a smoke detector |
| 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 |
| CN202931274U (en) * | 2012-11-22 | 2013-05-08 | 陈启富 | Human body induction switch |
| CN203894902U (en) * | 2014-06-05 | 2014-10-22 | 吉首大学 | Computer smoke alarm device |
-
2015
- 2015-08-20 CN CN201510512607.2A patent/CN105115529B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050280547A1 (en) * | 2004-06-17 | 2005-12-22 | Gerhard Ropke | Alarm annunciator |
| CN2779384Y (en) * | 2005-01-07 | 2006-05-10 | 上海捷耐瑞智能科技有限公司 | Laser beam smoke detector |
| US20070103330A1 (en) * | 2005-11-10 | 2007-05-10 | Mcgrath Patrick | Remotely located battery for a smoke detector |
| 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 |
| CN202931274U (en) * | 2012-11-22 | 2013-05-08 | 陈启富 | Human body induction switch |
| CN203894902U (en) * | 2014-06-05 | 2014-10-22 | 吉首大学 | Computer smoke alarm device |
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| Publication number | Publication date |
|---|---|
| CN105115529B (en) | 2018-01-12 |
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