CN204926421U - Earthquake early -warning device - Google Patents
Earthquake early -warning device Download PDFInfo
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- CN204926421U CN204926421U CN201520629127.XU CN201520629127U CN204926421U CN 204926421 U CN204926421 U CN 204926421U CN 201520629127 U CN201520629127 U CN 201520629127U CN 204926421 U CN204926421 U CN 204926421U
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- conductor
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- inductor
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Abstract
The utility model provides an earthquake early -warning device relates to earthquake early warning technical field, including inductor and fixed plate, be provided with the alarm circuit on the fixed plate, the inductor is two, be shear wave inductor and compressional wave inductor respectively, every inductor is all including first electrically conductive and the electrically conductive piece of second setting up side by side, the one end that first electrically conductive piece and second are electrically conductive all is connected with alarm circuit electricity, first electrically conductive and the electrically conductive equal vertical setting of second of shear wave inductor, the first electrically conductive piece and electrically conductive of the second of compressional wave inductor all transversely set up, can swing for first electrically conductive, when first electrically conductive swing, electrically conductive contact of first electrically conductive piece and second makes the alarm closing of circuit. Utilizing the shear wave and indulging ground that wave propagation arouses and shake and put through the inductor, the alarm circuit sends the alarm, reminds the user in time to take emergency measure, reduces injures and deaths, and this earthquake early -warning device's simple structure, installation easily, more are fit for the family and use.
Description
Technical field
The utility model relates to earthquake pre-warning technical field, in particular to a kind of earthquake prewarning device.
Background technology
Seismic event divides compressional wave and shear wave by circulation way.When earthquake occurs, what arrive ground at first is the more weak compressional wave of destructive power, and compressional wave is translatory wave, and in the earth's crust, velocity of propagation is 5.5 ~ 7,000 meter per seconds, and first cause ground up-down vibration, destructiveness is more weak.Shear wave is shearing wave, and the velocity of propagation in the earth's crust is 3.2 ~ 4.0 thousand meter per seconds, and again cause all around, ground to shake, destructiveness is stronger.When earthquake occurs, people can not perception in time, misses the Best Times of escape, easily causes larger injures and deaths.At present earthquake prewarning device on the market costly, complicated operation, be not suitable for family and use.
Utility model content
The utility model provides a kind of earthquake prewarning device, is intended to improve the problems referred to above.The utility model is achieved in that
A kind of earthquake prewarning device, comprise inductor and fixed head, described fixed head is provided with circuit for alarming, described inductor is two, be respectively shear wave inductor and compressional wave inductor, each described inductor includes the first electric-conductor and the second electric-conductor that are arranged side by side, one end of described first electric-conductor and described second electric-conductor is all electrically connected with described circuit for alarming, described first electric-conductor and described second electric-conductor of described shear wave inductor are all vertically arranged, described first electric-conductor of described compressional wave inductor and the equal horizontally set of described second electric-conductor, described first electric-conductor can swing, when described first electric-conductor swings, described first electric-conductor contacts with described second electric-conductor and described circuit for alarming is closed.
Further, described circuit for alarming is two and is electrically connected with described shear wave inductor and described compressional wave inductor respectively.
Circuit for alarming can be two, and first circuit for alarming is electrically connected with shear wave inductor, second circuit for alarming and the electrical connection of compressional wave inductor.Because the shear wave of seismic event is different with vertical velocity of wave propagation, compressional wave inductor is communicated with prior to shear wave inductor and gives the alarm, by arranging two circuit, during each circuit communication, unaffected each other, and when breaking down, is also easy to maintenance.
Further, described compressional wave inductor and the parallel connection of described shear wave inductor.
Compressional wave inductor and shear wave inductor also can be connected on a circuit, now, by compressional wave inductor and the parallel connection of shear wave inductor, compressional wave inductor in parallel and shear wave inductor each other circuit are connected unaffected, and compressional wave inductor can be communicated with warning circuit respectively with shear wave inductor, reports to the police, because compressional wave inductor and shear wave inductor are successively communicated with, if by compressional wave inductor and the series connection of shear wave inductor, then circuit for alarming can not be communicated with, and warning horn can not give the alarm.Because horizontal wave propagation velocity is less than vertical wave propagation velocity, after compressional wave inductor is connected, certain interval of time, shear wave inductor just can be connected again, and each connection all can give the alarm, the timely hedging escape of reminding user, setting in parallel, makes each inductor separate, can answer alarm by feeling of independence.
Further, described circuit for alarming comprises warning horn, and described warning horn is at least one in luminescent device or microphone device.
When inductor is communicated with circuit for alarming, circuit for alarming carries out early warning by warning horn to user, warning horn can be luminescent device or microphone device, luminescent device, when circuit for alarming is communicated with, point out user, and microphone device is by sounding the alarm reminding user by sending light, user is when seeing that warning horn gives the alarm, can make corresponding emergency measures or safeguard procedures in time, reminding user withdraws danger position in time, thus alleviates the injures and deaths caused in seismic process.
Further, described first electric-conductor is spring or rods.
First electric-conductor is rocking and swing with landing ground in seismic process, and in swing process, contact with the second electric-conductor and circuit for alarming is closed, circuit for alarming gives the alarm.Adopt spring or rods to carry out making first electric-conductor, spring and rods can be out of shape swing, when earthquake, first electric-conductor can produce larger swing, first electric-conductor contacts with the second electric-conductor and connection circuit, and warning horn gives the alarm, and reminding user is taken measures.
Further, one end away from described circuit for alarming of the first electric-conductor of described shear wave inductor and/or the first electric-conductor of described compressional wave inductor is provided with balancing weight.
In one end away from circuit for alarming of the first electric-conductor of shear wave inductor and the first electric-conductor of compressional wave inductor, all balancing weight is set, or the one end away from circuit for alarming of any one in the first electric-conductor of shear wave inductor or the first electric-conductor of compressional wave inductor arranges balancing weight, this balancing weight and the first electric-conductor are located on the same line, and the center of gravity of balancing weight is positioned on the axial line of the first electric-conductor, under normal circumstances, first electric-conductor can not shake, and when there is earthquake, because earthquake causes rocking of ground, thus drive the first electric-conductor to rock, in the process of rocking, the center of gravity of balancing weight and the axial line of the first electric-conductor are not on the same line, balancing weight can strengthen the shaking amplitude of the first electric-conductor, the electrical connection of the first electric-conductor and the second electric-conductor is more easily occurred, now circuit for alarming can close in time and give the alarm.
Further, described balancing weight is steel ball.
When coming earthquake, first electric-conductor can rocking and rock with landing ground, thus contact second electric-conductor of interval, wherein adopt steel ball as balancing weight, steel ball is spherical shape, the center of steel ball concentrates on the center of circle, and the distribution of force of ball surfaces is even, the center of gravity of steel ball is on the extended line of the axial line of the first electric-conductor, and when earthquake occurs, the axial line of deviation of gravity center first electric-conductor of steel ball, steel ball is due to the structure of himself, that can strengthen the first electric-conductor waves degree, and only have when the center of gravity of steel ball is again on the extended line of the axial line of the first electric-conductor, first electric-conductor just can stop swinging, in the meantime, first electric-conductor can constantly swing and contact with the second electric-conductor, give the alarm, user is repeatedly reminded.
Further, also comprise power supply, described power supply is at least one in external power supply or battery case, is provided with battery in described battery case.
Powered to inductor and warning horn by power supply, when earthquake occurs, can give the alarm in time, this power supply can be external power supply, also for being provided with the battery case of battery, also can have external power supply and battery case, external power supply can constantly be powered for inductor and warning horn simultaneously, and battery case can in the event of a loss of power, power in time inductor and warning horn.Avoid the situation occurring strengthening injures and deaths because power failure cannot give the alarm in time.
Further, also comprise carriage, described first electric-conductor is electrically connected with described circuit for alarming by described carriage.
To constantly rock due in the process that the first electric-conductor occurs in earthquake, after repeatedly rocking, the first electric-conductor easily occurs bending and deformation, and particularly the first electric-conductor of compressional wave inductor is horizontally set, first electric-conductor constantly teetertotters, add the gravity of self, the first electric-conductor can be constantly sagging, when coming earthquake, first electric-conductor teetertotters, cannot be communicated with the second electric-conductor, cause warning horn to give the alarm, this earthquake prewarning device loses its effect.In order to avoid the generation of this situation, we arrange a carriage between the first electric-conductor and circuit for alarming, first electric-conductor can drive the first electric-conductor to slide by carriage and regulate the distance between the first electric-conductor and the second electric-conductor, after avoiding the first electric-conductor distortion, when earthquake occurs, rock and cannot contact the second electric-conductor, cause the situation of this failure of apparatus.
Further, described carriage comprises conducting rod, slide plate and slide bar, one end of described conducting rod is electrically connected with described circuit for alarming, described slide bar and described conducting rod be arranged in parallel, described slide plate is slidably arranged on described slide bar, one end of described slide plate is electrically connected with described conducting rod, and the other end of described slide plate is fixedly connected with described first electric-conductor.
Be electrically connected with circuit for alarming by conducting rod, the first electric-conductor is driven to slide by the slip of slide plate, thus regulate the distance between the first electric-conductor and the second electric-conductor, slide plate is by realizing being electrically connected with the contact of conducting rod, simultaneously by realizing the first electric-conductor be connected with circuit for alarming with being fixedly connected with of the first electric-conductor, this connected mode is simple, slide plate, the combination of slide bar and conducting rod and connected mode are also simple, make easily, and can realize while not affecting conductive effect, regulate the distance between the first electric-conductor and the second electric-conductor, extend the serviceable life of earthquake prewarning device.
Compared with prior art, the beneficial effects of the utility model are:
Utilize earthquake velocity of wave propagation ground motion that is different and that cause different, thus shear wave inductor and compressional wave inductor are set, due to compressional wave generation is teetertotter, adopt the first electric-conductor of compressional wave inductor and the equal horizontally set of the second electric-conductor, utilize teetertottering to contact with the second electric-conductor and responding to compressional wave of the first electric-conductor, and shear wave generation is horizontal jitter, by the first electric-conductor of shear wave inductor and the second electric-conductor are all vertically arranged, utilize the horizontal jitter of the first electric-conductor to contact with the second electric-conductor and respond to shear wave, wherein one end of the first electric-conductor and the second electric-conductor is all electrically connected with circuit for alarming, under normal circumstances, inductor is not communicated with sensor circuit, can not give the alarm by alert trigger circuit.When coming earthquake, first be that compressional wave inductor senses compressional wave, now circuit for alarming closes and sends first time alarm, inform the information of user's earthquake in time, over time, shear wave inductor induction shear wave, circuit for alarming gives the alarm again, again remind user, user takes measures in time by the prompting of earthquake prewarning device, escapes in time.
Accompanying drawing explanation
The circuit connection diagram of the earthquake prewarning device that Fig. 1 provides for the utility model embodiment one;
The structural representation of the earthquake prewarning device that Fig. 2 provides for the utility model embodiment one;
The structural representation of the earthquake prewarning device that Fig. 3 provides for the utility model embodiment two.
Wherein, Reference numeral gathers as follows: circuit for alarming 101; First electric-conductor 102; Second electric-conductor 103; Warning horn 104; Balancing weight 105; Slide plate 106; Slide bar 107; Conducting rod 108; Power supply 109.
Embodiment
Seismic event divides compressional wave and shear wave by circulation way.When earthquake occurs, arrive the compressional wave making destructive power more weak on ground at first, compressional wave is translatory wave, and in the earth's crust, velocity of propagation is 5.5 ~ 7,000 meter per seconds, and it makes ground that up-down vibration occur, and destructiveness is more weak.Shear wave is shearing wave, and the velocity of propagation in the earth's crust is 3.2 ~ 4.0 thousand meter per seconds, and it makes generation all around, ground shake, and destructiveness is stronger.When earthquake occurs, people can not perception in time, misses the Best Times of escape, easily causes larger injures and deaths.At present earthquake prewarning device on the market costly, complicated operation, be not suitable for family and use.
In view of the foregoing, researcher, through long-term research and a large amount of practices, provides a kind of earthquake prewarning device, is intended to improve the problems referred to above.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.
Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation of usually putting or position relationship when using, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Embodiment one
The circuit connection diagram of the earthquake prewarning device that Fig. 1 provides for the utility model embodiment one, the structural representation of the earthquake prewarning device that Fig. 2 provides for the utility model embodiment one, see Fig. 1 and Fig. 2.This earthquake prewarning device comprises shear wave inductor, compressional wave inductor and fixed head, this earthquake prewarning device to be arranged on buildings and to utilize buildings sensing, fixed head is provided with circuit for alarming 101, shear wave inductor and compressional wave inductor have all been arranged side by side the first electric-conductor 102 and the second electric-conductor 103, first electric-conductor 102 of shear wave inductor and compressional wave inductor and one end of the second electric-conductor 103 are all electrically connected with circuit for alarming 101, due to compressional wave generation is teetertotter, by the first electric-conductor 102 and the second electric-conductor 103 of horizontally set compressional wave inductor, utilize teetertottering to contact with the second electric-conductor 103 and responding to compressional wave of the first electric-conductor 102, and shear wave generation is horizontal jitter, by the first electric-conductor 102 of shear wave inductor and the second electric-conductor 103 are all vertically arranged, utilize the horizontal jitter of the first electric-conductor 102 to contact with the second electric-conductor 103 and respond to shear wave, first electric-conductor 102 can swing, when the first electric-conductor 102 swings, first electric-conductor 102 contacts with the second electric-conductor 103 and circuit for alarming 101 is closed.Because the first electric-conductor 102 and the second electric-conductor 103 are arranged side by side, and there is interval centre, and under normal circumstances, the first electric-conductor 102 can not be communicated with the second electric-conductor 103, and circuit for alarming 101 can not give the alarm.When coming earthquake, first be that compressional wave inductor senses compressional wave, now circuit for alarming 101 closes and sends first time alarm, inform the information of user's earthquake in time, over time, shear wave inductor induction shear wave, circuit for alarming 101 gives the alarm again, again remind user, user takes measures in time by the prompting of earthquake prewarning device, escapes in time.This earthquake prewarning device can be applicable to all kinds of buildings.
The connection of shear wave inductor and compressional wave inductor and circuit for alarming 101 can have two kinds of connected modes:
The first arranges two circuit for alarming 101 and one of them circuit for alarming 101 is electrically connected with shear wave inductor, another circuit for alarming 101 is electrically connected with compressional wave inductor, shear wave inductor and compressional wave inductor adopt different circuit, respectively shear wave inductor and compressional wave inductor and warning horn 104 are linked together, be independent of each other each other, shear wave inductor can make separately warning horn 104 give the alarm, and compressional wave inductor also can make separately warning horn 104 give the alarm, do not associate each other, easy to connect, keep in repair also very simple simultaneously.
The second utilizes a circuit, shear wave inductor and compressional wave inductor adopt connected mode in parallel, shear wave inductor on parallel circuit and compressional wave inductor do not interfere with each other yet, and can complete separately the closed of circuit for alarming 101, the reminding user that simultaneously gives the alarm is taken measures in time.
See Fig. 1, in the present embodiment, we adopt the second connected mode, and by shear wave inductor and the parallel connection of compressional wave inductor, the connected mode of this circuit is simple, install and keep in repair also to be easy to, and are convenient to family and use.
Circuit for alarming 101 is given the alarm by the warning horn 104 on circuit for alarming 101, warning horn 104 can carry out early warning by sending light to user, also early warning can be carried out by sounding the alarm to user, or send light simultaneously and sound the alarm, the present embodiment is taked to carry out early warning by mode that is luminous and that sound the alarm to user simultaneously, in vision and acoustically carry out early warning to user simultaneously, and early warning simultaneously can strengthen the warning function to user, and reminding user takes urgent measure in time.
During due to coming earthquake, first electric-conductor 102 needs to rock to contact with the second electric-conductor 103, wherein the first electric-conductor 102 adopts the conductive material that can rock to make, can be spring or rods, in the present embodiment, the first electric-conductor 102 preferably spring is made, and spring is as common part, low price, and handling ease.Spring has excellent resilience, and just deformation can occur under less External Force Acting, restores to the original state again after removing external force.Spring can when earthquake occurs, the shake of the buildings that earthquake is produced or rock and drive spring generation deformation as external force, thus generation is rocked and contacts with the second electric-conductor 103, in order to ensure when earthquake occurs, first electric-conductor 102 can rock and contact with the second electric-conductor 103, second electric-conductor 103 can adopt conducting strip to realize conduction, and the area that the second electric-conductor 103 can contact with the first electric-conductor 102 can be expanded, such can ensure shear wave or compressional wave no matter produce what kind of vibrations, equal can realization contacts with the second electric-conductor 103 when the first electric-conductor 102 rocks, and give the alarm, after earthquake terminates, spring stops rocking gradually, and restore to the original state, economy and durability, long service life, even if spring breaking down, purchase spring is convenient, install and change simple, the low price of spring simultaneously, reduce the cost of earthquake prewarning device.
By arranging away from one end of circuit for alarming 101 shaking amplitude that balancing weight 105 strengthens the first electric-conductor 102 at the first electric-conductor 102, can by arranging steel ball, steel ball is spherical shape, the center of steel ball concentrates on the circle centre position of steel ball, by steel ball and the first electric-conductor 102 are arranged point-blank, ensure when earthquake does not occur, the center of gravity of steel ball and the axial line of the first electric-conductor 102 are point-blank and do not occur to offset or rock, and when earthquake produces, due to the effect of external force, first electric-conductor 102 shakes, the axial line of the first electric-conductor 102 and the center of gravity of steel ball are not point-blank, due to the weight of steel ball self, the shaking amplitude of the first electric-conductor 102 can be strengthened, contact with the second electric-conductor 103 and be more prone to, can when earthquake occurs, timely generation is rocked and is contacted with the second electric-conductor 103, and give the alarm, reminding user takes risk avoidance measures in time.
Inductor and warning horn 104 are powered by power supply 109, keep the normal operation of inductor and warning horn 104, power supply 109 can be external power supply or the battery case being provided with battery, this battery can when having a power failure, inductor and warning horn 104 are powered, maintain inductor and the normal work of warning horn 104 under blackout condition, avoid occurring because have a power failure the situation causing user to take measures in time that cannot give the alarm in time.
Embodiment two
The structural representation of the earthquake prewarning device that Fig. 3 provides for the utility model embodiment two, the earthquake prewarning device that the present embodiment provides, its basic structure is identical with the first embodiment with the technique effect of principle and generation, for concise and to the point description, the not mentioned part of the present embodiment part, can with reference to corresponding contents in the first embodiment.
See Fig. 3, the position be connected with circuit for alarming 101 at the first electric-conductor 102 arranges carriage, carriage comprises conducting rod 108, slide plate 106 and slide bar 107, one end of conducting rod 108 is electrically connected with circuit for alarming 101, slide bar 107 and conducting rod 108 be arranged in parallel, slide plate 106 is slidably arranged on described slide bar 107, and one end of slide plate 106 is electrically connected with conducting rod 108, and the other end of slide plate 106 is fixedly connected with the first electric-conductor 102.
Carriage the distance that can regulate the first electric-conductor 102 and the second electric-conductor 103 is set, constantly to rock in the process avoiding the first electric-conductor 102 to occur in earthquake and the earthquake prewarning device that the irreversible flexural deformation produced causes cannot realize, particularly the first electric-conductor 102 of compressional wave inductor is horizontally set, first electric-conductor 102 constantly teetertotters, add the gravity of self, first electric-conductor 102 can be constantly sagging, when coming earthquake, first electric-conductor 102 teetertotters, cannot be communicated with the second electric-conductor 103, warning horn 104 is caused to give the alarm, this earthquake prewarning device easily loses its effect.Wherein carriage utilizes and drives the first electric-conductor 102 to slide by the slip of slide plate 106, thus regulate the distance between the first electric-conductor 102 and the second electric-conductor 103, slide plate 106 is by realizing being electrically connected with the contact of conducting rod 108, simultaneously by realizing the first electric-conductor 102 be connected with circuit for alarming 101 with being fixedly connected with of the first electric-conductor 102, after the first electric-conductor 102 is out of shape, the distance between the first electric-conductor 102 and the second electric-conductor 103 can be regulated in time, first electric-conductor 102 still can be contacted with the second electric-conductor 103 by rocking, be communicated with circuit for alarming 101 and give the alarm.The setting of carriage, extends the serviceable life of earthquake prewarning device.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an earthquake prewarning device, it is characterized in that, comprise inductor and fixed head, described fixed head is provided with circuit for alarming, described inductor is two, be respectively shear wave inductor and compressional wave inductor, each described inductor includes the first electric-conductor and the second electric-conductor that are arranged side by side, one end of described first electric-conductor and described second electric-conductor is all electrically connected with described circuit for alarming, described first electric-conductor and described second electric-conductor of described shear wave inductor are all vertically arranged, described first electric-conductor of described compressional wave inductor and the equal horizontally set of described second electric-conductor, described first electric-conductor can swing, when described first electric-conductor swings, described first electric-conductor can contact with described second electric-conductor and described circuit for alarming is closed.
2. earthquake prewarning device according to claim 1, is characterized in that, described circuit for alarming is two and is electrically connected with described shear wave inductor and described compressional wave inductor respectively.
3. earthquake prewarning device according to claim 1, is characterized in that, described compressional wave inductor and the parallel connection of described shear wave inductor.
4. earthquake prewarning device according to claim 1, is characterized in that, described circuit for alarming comprises warning horn, and described warning horn is at least one in luminescent device or microphone device.
5. earthquake prewarning device according to claim 1, is characterized in that, described first electric-conductor is spring or rods.
6. earthquake prewarning device according to claim 1, is characterized in that, one end away from described circuit for alarming of the first electric-conductor of described shear wave inductor and/or the first electric-conductor of described compressional wave inductor is provided with balancing weight.
7. earthquake prewarning device according to claim 6, is characterized in that, described balancing weight is steel ball.
8. earthquake prewarning device according to claim 1, is characterized in that, also comprises power supply, and described power supply is at least one in external power supply or battery case, is provided with battery in described battery case.
9. earthquake prewarning device according to claim 1, is characterized in that, also comprises carriage, and described first electric-conductor is electrically connected with described circuit for alarming by described carriage.
10. earthquake prewarning device according to claim 9, it is characterized in that, described carriage comprises conducting rod, slide plate and slide bar, one end of described conducting rod is electrically connected with described circuit for alarming, described slide bar and described conducting rod be arranged in parallel, described slide plate is slidably arranged on described slide bar, and one end of described slide plate is electrically connected with described conducting rod, and the other end of described slide plate is fixedly connected with described first electric-conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629127.XU CN204926421U (en) | 2015-08-19 | 2015-08-19 | Earthquake early -warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629127.XU CN204926421U (en) | 2015-08-19 | 2015-08-19 | Earthquake early -warning device |
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| Publication Number | Publication Date |
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| CN204926421U true CN204926421U (en) | 2015-12-30 |
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| CN201520629127.XU Expired - Fee Related CN204926421U (en) | 2015-08-19 | 2015-08-19 | Earthquake early -warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266754A (en) * | 2019-05-07 | 2019-09-20 | 中国航空规划设计研究总院有限公司 | A kind of vibration abatement lock state monitoring alarm, system and method |
-
2015
- 2015-08-19 CN CN201520629127.XU patent/CN204926421U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266754A (en) * | 2019-05-07 | 2019-09-20 | 中国航空规划设计研究总院有限公司 | A kind of vibration abatement lock state monitoring alarm, system and method |
| CN110266754B (en) * | 2019-05-07 | 2021-11-30 | 中国航空规划设计研究总院有限公司 | Anti-vibration device locking state monitoring alarm device, system and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20200819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |