CN106960547A - A kind of seismic sensors audible-visual annunciator with LED light emitting diodes - Google Patents
A kind of seismic sensors audible-visual annunciator with LED light emitting diodes Download PDFInfo
- Publication number
- CN106960547A CN106960547A CN201710354950.8A CN201710354950A CN106960547A CN 106960547 A CN106960547 A CN 106960547A CN 201710354950 A CN201710354950 A CN 201710354950A CN 106960547 A CN106960547 A CN 106960547A
- Authority
- CN
- China
- Prior art keywords
- triode
- diode
- light emitting
- circuit
- led light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of seismic sensors audible-visual annunciator with LED light emitting diodes, including alarm body, installation pedestal, main case, circuit control system, protective cover is provided with alarm, antiskid groove, LED installs panel, clear glass, loudspeaker, LED lamp bead, installation pedestal, line outlet, circuit control system, fixed screw holes, there is groove, viscose glue panel, threading hole, main case, screw thread mouth, circuit control system is provided with the inside of alarm body, the present apparatus is reasonable in design, it is simple in construction, it is easy for installation, production cost is low, detection, early warning sensitivity is high, earthquake can be predicted by detecting vibration-sensing with sound wave sensing, and wireless connection can be carried out by mobile phone A PP and warning device body, the position of focus is detected by GPRS module, LED lamp bead stroboscopic is used as visual prompting when alarm, substantially increase the promptness and reliability of earthquake alarm.
Description
Technical field
The present invention relates to seismic sensors warning device technical field, specially a kind of earthquake with LED light emitting diodes
Sense audible-visual annunciator.
Background technology
Earthquake be also known as earthquake, vibrate, be that vibration is caused during earth's crust quick release of energy, during which can produce seismic wave
A kind of natural phenomena.Earthquake is extremely frequently that the whole world is annual to occur earthquake about 5,500,000 times.Earthquake is often resulted in sternly
Weight casualties, fire hazard, floods, toxic gas leakage, bacterium and radioactive substance diffusion, it is also possible to cause tsunami,
The secondary disasters such as landslide, avalanche, ground fissure.Ground vibration caused by earthquake is a kind of complicated motion, it be by compressional wave and
The coefficient result of shear wave.
In epicentral area, compressional wave makes porpoising above and below ground.Shear wave rocks ground level, due to longitudinal wave propagation speed,
Decay is also very fast, and shear wave propagation speed is slower, and decay is also relatively slow, therefore the place from earthquake centre farther out, it is often imperceptible above and below
Bounce, but horizontal jitter can be felt.The earthquake Alarm of prior art is triggered by the way of suspending hammer swing, ball are rolled mostly
Switch is alarmed.Generally existing sensitivity is not high to be caused and does not alarm or the too high unfavorable condition for causing false alarm of sensitivity,
Also there is factor affected by environment simultaneously big, component is perishable, system working service high cost.
The content of the invention
It is an object of the invention to provide one kind is reasonable in design, simple in construction, easy for installation, production cost is low, detection, pre-
Alert sensitivity is high, can be by detecting that vibration-sensing predicts earthquake with sound wave sensing, and can pass through mobile phone A PP and alarm
Device body carries out wireless connection, and the position of focus is detected by GPRS module, LED lamp bead stroboscopic conduct when alarm
A kind of seismic sensors audible-visual annunciator with LED light emitting diodes of visual prompting, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of seismic sensors with LED light emitting diodes
Audible-visual annunciator, including alarm body, installation pedestal, main case, circuit control system, the alarm body is provided with master
Casing, the bottom of the main case is provided with installation pedestal, and the inside of the main case is provided with circuit control system, circuit control system
Panel is installed in the top of system provided with LED, and the top of the main case is provided with protective cover, and the protective cover outer periphery is provided with anti-skidding
Groove, the top of the protective cover is provided with clear glass.
It is preferred that, it is provided with threading hole in the middle of the reverse side of the installation pedestal, the threading hole is formed around one layer of waterproof
Circle, the surrounding of the threading hole, which is uniformly provided with around line outlet groove, the bottom sides of the installation pedestal, is provided with line outlet, it is described go out
One end of wire casing is connected with line outlet, and the other end of line outlet groove and the edge of threading hole are connected, provided with viscous between the line outlet groove
Glue surface plate, the centre of viscose glue panel is provided with fixed screw holes.
It is preferred that, the side wall of the main case, which is provided with above loudspeaker, the main case, is formed around screw thread mouth, spiral shell
Line mouthful is provided with external screw thread, and the inside of the main case is provided with circuit board mounting groove.
It is preferred that, the LED installs panel and is provided with LED lamp bead, and the LED installs panel and circuit control system is electrical
Connection.
It is preferred that, the circuit control system is provided with power supply module, one end of the power supply module and governor circuit
One end is connected, and the side of the governor circuit is provided with drive circuit, the other end and embedded scm of the governor circuit, institute
The side for stating embedded scm is provided with data processing module, and the opposite side of the embedded scm is provided with wireless network mould
Block, light sensor, sound inductor, GPRS module, shock sensor, the other end and the sound wave of the embedded scm are examined
Slowdown monitoring circuit, warning circuit, the connection of LED light control circuit.
It is preferred that, the drive circuit is provided with first resistor, one end of the first resistor and the one of the first triode
End connection, the colelctor electrode of first triode is connected with one end of the first inductance, the other end and second of first inductance
One end connection of resistance, the other end of the second resistance is connected with switch, one end of the other end of switch and the second diode
Connection, the other end ground connection of second diode, one end of node and capacitor between the second resistance and switch connects
Connect, the other end of the capacitor is connected with the colelctor electrode of the second triode, the two ends of the capacitor are in parallel one the one or two
Pole pipe, the base stage of second triode is connected with wire, and the emitter stage of the second triode is connected with one end of the second inductance, institute
The other end for stating the second inductance is connected with the emitter stage of the first triode.
It is preferred that, the warning circuit is provided with power supply, and the positive pole of the power supply and one end of alarm are connected, the report
The other end of alert device is connected with the colelctor electrode of the 4th triode, the emitter stage of the 4th triode and the positive pole of the 3rd diode
Connection, the negative pole of the 3rd diode and the negative pole of power supply are connected, and one between the 4th triode and the 3rd diode
The negative pole connection of individual node and light emitting diode, the positive pole of the light emitting diode is connected with wire, the 3rd diode
On one 3rd resistor of two ends parallel connection, another node and timing chip between the 4th triode and the 3rd diode
One end is connected, and the other end on the timing chip is connected with the base stage of the 3rd triode, the colelctor electrode of the 3rd triode and the
The base stage connection of four triodes, the emitter stage of the 3rd triode is connected with wire, the two ends difference on the timing chip
It is connected with the 4th resistance.
It is preferred that, the alarm body can be attached by wireless network module with mobile device.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) installation pedestal is provided with fixed screw holes and viscose glue panel, and both going for drilling installation can also use
Viscose glue is installed, and on glass, installation method is various, makes easier for installation；
(2) reverse side of installation pedestal is provided with multiple line outlet grooves being connected with threading hole, cabling is placed in line outlet groove, no
Influence installation effect, moreover it is possible to be adapted to the threading of all directions；
(3) present apparatus is reasonable in design, simple in construction, easy for installation, and production cost is low, and detection, early warning sensitivity are high, can
Earthquake is predicted by detecting vibration-sensing with sound wave sensing, and mobile phone A PP and warning device body progress nothing can be passed through
Line connect, the position of focus is detected by GPRS module, alarm when LED lamp bead stroboscopic as visual prompting,
Substantially increase the promptness and reliability of earthquake alarm.
Brief description of the drawings
Fig. 1 is alarm body schematic diagram of the present invention；
Fig. 2 is installation pedestal structural representation of the present invention；
Fig. 3 is main case structural representation of the present invention；
Fig. 4 is that circuit control system module of the present invention connects block diagram；
Fig. 5 is present invention driver circuit schematic diagram；
Fig. 6 is warning circuit schematic diagram of the present invention.
In figure：1st, alarm body；2nd, protective cover；3rd, antiskid groove；4th, LED installs panel；5th, clear glass；6th, raise one's voice
Device；7th, LED lamp bead；8th, installation pedestal；9th, line outlet；10th, circuit control system；11st, fixed screw holes；12nd, line outlet groove；13、
Viscose glue panel；14th, threading hole；15th, main case；16th, screw thread mouth；17th, circuit board mounting groove；18th, power supply module；19th, master control electricity
Road；20th, drive circuit；21st, embedded scm；22nd, wireless network module；23rd, light sensor；24th, sound inductor；
25th, GPRS module；26th, warning circuit；27th, LED light control circuit；28th, data processing module；29th, shock sensor；30th, sound wave
Detect circuit；31st, first resistor；32nd, the first inductance；33rd, the first triode；34th, second resistance；35th, the first diode；36、
Second triode；37th, the second inductance；38th, capacitor；39th, switch；40th, the second diode；41st, power supply；42nd, 3rd resistor；
43rd, the 3rd diode；44th, light emitting diode；45th, timing chip；46th, the 4th resistance；47th, the 3rd triode；48th, the four or three pole
Pipe；49th, alarm.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of seismic sensors acousto-optic with LED light emitting diodes
Alarm, including alarm body 1, installation pedestal 8, main case 15, circuit control system 10, alarm body 1 is provided with master
Casing 15, the bottom of the main case 15 is provided with installation pedestal 8, and the inside of the main case 15 is provided with circuit control system 10,
Panel 4 is installed in the top of circuit control system 10 provided with LED, and LED installs panel 4 and is provided with LED lamp bead 7, the LED mounting surfaces
Plate 4 is electrically connected with circuit control system 10, and the top of the main case 15 is provided with protective cover 2, the outer periphery of protective cover 2
Provided with antiskid groove 3, the top of the protective cover 2 is provided with clear glass 5.
Referring to Fig. 2, being provided with threading hole 14 in the middle of the reverse side of installation pedestal 8, the threading hole 14 is formed around one layer
Water proof ring, the surrounding of the threading hole 14 is uniformly provided with line outlet groove 12, and cabling is placed in outlet, 12, does not influence to install and imitates
Really, moreover it is possible to be adapted to around the threading of all directions, the bottom sides of the installation pedestal 8 and be provided with line outlet 9, the line outlet groove
12 one end is connected with line outlet 9, and the other end of line outlet groove 12 is connected with the edge of threading hole 14, is set between the line outlet groove 12
There is viscose glue panel 13, the centre of viscose glue panel 13 is provided with fixed screw holes 11, and alarm body 1 both goes for drilling and installed
It can also be installed using viscose glue, on glass, installation method is various, makes easier for installation.
3 are referred to, the side wall of main case 15 is provided with loudspeaker 6, and the top of the main case 15 is formed around screw thread mouth
16, screw thread mouth 16 is provided with external screw thread, and the inside of the main case 15 is provided with circuit board mounting groove 17.
Referring to Fig. 4, circuit control system 10 is provided with power supply module 18, one end and the master control electricity of the power supply module 18
One end connection on road 19, the side of the governor circuit 19 is provided with drive circuit 20, the other end of the governor circuit 19 with it is embedding
Enter formula single-chip microcomputer 21, the side of the embedded scm 21 is provided with data processing module 28, the embedded scm 21
Opposite side is provided with wireless network module 22, light sensor 23, sound inductor 24, GPRS module 25, shock sensor 29, institute
The other end for stating embedded scm 21 is connected with sonic detection circuit 30, warning circuit 26, LED light control circuit 27, alarm
Body 2 can be attached by wireless network module 22 and mobile device.
Referring to Fig. 5, drive circuit 20 is provided with first resistor 31, one end and the first triode of the first resistor 31
33 one end connection, the colelctor electrode of first triode 33 is connected with one end of the first inductance 32, first inductance 32
The other end is connected with one end of second resistance 34, and the other end of the second resistance 34 be connected with switch 39, switch 39 it is another
End is connected with one end of the second diode 40, the other end ground connection of second diode 40, the second resistance 34 and switch
Node between 39 is connected with one end of capacitor 38, and the colelctor electrode of the other end of the capacitor 38 and the second triode 36 connects
Connect, two ends first diode 35 in parallel for the capacitor 38, the base stage of second triode 36 is connected with wire, the
The emitter stage of two triodes 36 is connected with one end of the second inductance 37, the other end of second inductance 37 and the first triode 33
Emitter stage connection.
Referring to Fig. 6, warning circuit 26 is provided with power supply 41, the positive pole of the power supply 41 connects with one end of alarm 49
Connect, the other end of the alarm 49 is connected with the colelctor electrode of the 4th triode 48, the emitter stage of the 4th triode 48 with
The positive pole connection of 3rd diode 43, the negative pole of the 3rd diode 43 is connected with the negative pole of power supply 41, the four or three pole
A node between the diode 43 of pipe 48 and the 3rd is connected with the negative pole of light emitting diode 44, and the light emitting diode 44 is just
Pole is connected with wire, a two ends 3rd resistor 42 in parallel for the 3rd diode 43, the 4th triode 48 and the 3rd
Another node between diode 43 is connected with one end on timing chip 45, the other end on the timing chip 45 and
The base stage connection of three triodes 47, the colelctor electrode of the 3rd triode 47 is connected with the base stage of the 4th triode 48, and the described 3rd 3
The emitter stage of pole pipe 47 is connected with wire, and the two ends on 45, the timing core are connected with the 4th resistance 46 respectively.
The present apparatus is reasonable in design, simple in construction, easy for installation, and production cost is low, and detection, early warning sensitivity are high, Neng Goutong
Cross detection vibration-sensing to sense to predict earthquake with sound wave, and can be carried out by mobile phone A PP and warning device body wireless
Connection, the position of focus is detected by GPRS module 25, alarm when LED lamp bead stroboscopic as visual prompting,
Substantially increase the promptness and reliability of earthquake alarm.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understand and these embodiments can be carried out without departing from the principles and spirit of the present invention a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of seismic sensors audible-visual annunciator with LED light emitting diodes, including alarm body (1), installation pedestal
(8), main case (15), circuit control system (10), it is characterised in that：The alarm body (1) is provided with main case (15),
The bottom of the main case (15) is provided with installation pedestal (8), and the inside of the main case (15) is provided with circuit control system (10),
Panel (4) is installed in the top of circuit control system (10) provided with LED, and the top of the main case (15) is provided with protective cover (2), institute
Protective cover (2) outer periphery is stated provided with antiskid groove (3), the top of the protective cover (2) is provided with clear glass (5).
2. a kind of seismic sensors audible-visual annunciator with LED light emitting diodes according to claim 1, its feature exists
In：It is provided with threading hole (14) in the middle of the reverse side of the installation pedestal (8), the threading hole (14) is formed around one layer of waterproof
Circle, the surrounding of the threading hole (14), which is uniformly provided with around line outlet groove (12), the bottom sides of the installation pedestal (8), to be provided with out
Line mouthful (9), one end of the line outlet groove (12) is connected with line outlet (9), the other end and the threading hole (14) of line outlet groove (12)
Edge is connected, and viscose glue panel (13) is provided between the line outlet groove (12), and the centre of viscose glue panel (13) is provided with fixed screw holes
(11)。
3. a kind of seismic sensors audible-visual annunciator with LED light emitting diodes according to claim 1, its feature exists
In：The side wall of the main case (15) is provided with above loudspeaker (6), the main case (15) and is formed around screw thread mouth
(16), screw thread mouth (16) is provided with external screw thread, and the inside of the main case (15) is provided with circuit board mounting groove (17).
4. a kind of seismic sensors audible-visual annunciator with LED light emitting diodes according to claim 1, its feature exists
In：The LED installs panel (4) and is provided with LED lamp bead (7), and the LED installs panel (4) and circuit control system (10) electricity
Property connection.
5. a kind of seismic sensors audible-visual annunciator with LED light emitting diodes according to claim 1, its feature exists
In：The circuit control system (10) is provided with power supply module (18), one end of the power supply module (18) and governor circuit
(19) one end connection, the side of the governor circuit (19) is provided with drive circuit (20), the governor circuit (19) it is another
End and embedded scm (21), the side of the embedded scm (21) are provided with data processing module (28), the insertion
The opposite side of formula single-chip microcomputer (21) is provided with wireless network module (22), light sensor (23), sound inductor (24), GPRS moulds
Block (25), shock sensor (29), the other end and sonic detection circuit (30), the warning circuit of the embedded scm (21)
(26), LED light control circuit (27) is connected.
6. a kind of seismic sensors audible-visual annunciator with LED light emitting diodes according to claim 5, its feature exists
In：The drive circuit (20) is provided with first resistor (31), one end and the first triode (33) of the first resistor (31)
One end connection, the colelctor electrode of first triode (33) is connected with one end of the first inductance (32), first inductance
(32) the other end is connected with the one end of second resistance (34), and the other end of the second resistance (34) is connected with switch (39),
The other end of switch (39) is connected with one end of the second diode (40), the other end ground connection of second diode (40), institute
State second resistance (34) and switch (39) between node be connected with one end of capacitor (38), the capacitor (38) it is another
End is connected with the colelctor electrode of the second triode (36), two ends first diode (35) in parallel for the capacitor (38), institute
The base stage for stating the second triode (36) is connected with wire, and the emitter stage of the second triode (36) and one end of the second inductance (37) connect
Connect, the other end of second inductance (37) is connected with the emitter stage of the first triode (33).
7. a kind of seismic sensors audible-visual annunciator with LED light emitting diodes according to claim 5, its feature exists
In：The warning circuit (26) is provided with power supply (41), and the positive pole of the power supply (41) is connected with one end of alarm (49), institute
The other end for stating alarm (49) is connected with the colelctor electrode of the 4th triode (48), the emitter stage of the 4th triode (48) with
The positive pole connection of 3rd diode (43), the negative pole of the 3rd diode (43) is connected with the negative pole of power supply (41), and described the
A node between four triodes (48) and the 3rd diode (43) is connected with the negative pole of light emitting diode (44), described luminous
The positive pole of diode (44) is connected with wire, a two ends 3rd resistor (42) in parallel for the 3rd diode (43), described
4th triode (48) is connected with another node between the 3rd diode (43) with one end on timing chip (45), described
The other end on timing chip (45) is connected with the base stage of the 3rd triode (47), the colelctor electrode and the 4th of the 3rd triode (47)
The base stage connection of triode (48), the emitter stage of the 3rd triode (47) is connected with wire, on timing core (45) piece
Two ends be connected respectively with the 4th resistance (46).
8. a kind of seismic sensors audible-visual annunciator with LED light emitting diodes according to claim 1, its feature exists
In：The alarm body (2) can be attached by wireless network module (22) with mobile device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354950.8A CN106960547A (en) | 2017-05-19 | 2017-05-19 | A kind of seismic sensors audible-visual annunciator with LED light emitting diodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354950.8A CN106960547A (en) | 2017-05-19 | 2017-05-19 | A kind of seismic sensors audible-visual annunciator with LED light emitting diodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106960547A true CN106960547A (en) | 2017-07-18 |
Family
ID=59482645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710354950.8A Withdrawn CN106960547A (en) | 2017-05-19 | 2017-05-19 | A kind of seismic sensors audible-visual annunciator with LED light emitting diodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106960547A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942832A (en) * | 2017-12-25 | 2018-04-20 | 中科稀土（长春）有限责任公司 | A kind of early warning system based on stroboscopic information |
| CN108374687A (en) * | 2018-03-16 | 2018-08-07 | 河北工程大学 | A kind of coalmine ventilation life saving pipeline |
| TWI814222B (en) * | 2022-01-26 | 2023-09-01 | 崑山科技大學 | Earthquake alarming device with emergency luminant function |
-
2017
- 2017-05-19 CN CN201710354950.8A patent/CN106960547A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942832A (en) * | 2017-12-25 | 2018-04-20 | 中科稀土（长春）有限责任公司 | A kind of early warning system based on stroboscopic information |
| CN108374687A (en) * | 2018-03-16 | 2018-08-07 | 河北工程大学 | A kind of coalmine ventilation life saving pipeline |
| CN108374687B (en) * | 2018-03-16 | 2019-12-31 | 河北工程大学 | Coal mine ventilation lifesaving pipeline |
| TWI814222B (en) * | 2022-01-26 | 2023-09-01 | 崑山科技大學 | Earthquake alarming device with emergency luminant function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106960547A (en) | A kind of seismic sensors audible-visual annunciator with LED light emitting diodes | |
| CN205982655U (en) | Optic fibre underground laser lamp -house earthquake warning device | |
| CN207441160U (en) | A kind of sign for safe evacuation lamps and lanterns | |
| CN207133953U (en) | A kind of seismic sensors audible-visual annunciator with LED light emitting diodes | |
| CN103760591A (en) | Seismic detection system of detecting underground water level | |
| CN104291041A (en) | Floating deck state indicator of external floating roof tank | |
| CN203609754U (en) | A human body static electricity release alarm device | |
| CN106981177A (en) | A kind of earthquake audible-visual annunciator with automatic rotating function | |
| CN205281714U (en) | Be used for forest fire to stretch prediction and quick positioner | |
| CN205563927U (en) | Intelligent alarm device is used to river levee | |
| CN212933690U (en) | Building fire alarm device | |
| CN105279902B (en) | A kind of solar energy earthquake ripples warning device | |
| CN105824043B (en) | A kind of buried LASER Light Source earthquake alarming device of optical fiber | |
| CN103336300A (en) | Earthquake happening moment alarm device | |
| CN203569598U (en) | Precast pile capable of being monitored in real time | |
| CN107085901A (en) | A kind of intelligent and safe fire symbol board | |
| CN204242239U (en) | Electrical network disaster alarm device | |
| CN205403787U (en) | Hydrographic survey appearance with alarm function | |
| CN105064526B (en) | A kind of tuned liquid damper, TLD, tuned sloshing damper with earthquake alarm and earthquake intensity measurement function | |
| CN205541305U (en) | Earthquake suggestion device | |
| CN205450298U (en) | Life information detection instrument | |
| CN113129563A (en) | Well lid safety monitoring method and device, storage medium and electronic equipment | |
| CN210128763U (en) | Municipal bridge state detection device | |
| CN210402650U (en) | Simple music device capable of rapidly alarming after earthquake | |
| CN201465263U (en) | Civil earthquake detection sound alarm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170718 |
|
| WW01 | Invention patent application withdrawn after publication |