CN114495467B - Alarm device and matched anti-theft structure thereof - Google Patents
Alarm device and matched anti-theft structure thereof Download PDFInfo
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- CN114495467B CN114495467B CN202210360965.6A CN202210360965A CN114495467B CN 114495467 B CN114495467 B CN 114495467B CN 202210360965 A CN202210360965 A CN 202210360965A CN 114495467 B CN114495467 B CN 114495467B
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- shell
- electromagnet
- power supply
- rod
- fixedly connected
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/181—Prevention or correction of operating errors due to failing power supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Abstract
The invention belongs to the technical field of alarm devices, and particularly relates to an alarm device and an anti-theft structure matched with the alarm device. The invention can automatically switch the power supply source of the alarm device after the anti-theft structure is forcedly damaged, so that the alarm time of the alarm device is prolonged, and the alarm effect of the alarm device is enhanced.
Description
Technical Field
The invention belongs to the technical field of alarm devices, and particularly relates to an alarm device and an anti-theft structure matched with the same.
Background
The domestic unmanned aerial vehicle market has been developed for over 30 years, and is gradually expanded to the consumption field from the initial military field, the existing domestic consumption unmanned aerial vehicle market is hot, the acceptance and the demand of common people on unmanned aerial vehicles are gradually increased, the application of unmanned aerial vehicles is more and more extensive, and the unmanned aerial vehicle has certain application in the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news report, power inspection, disaster relief, movie and television shooting and the like.
Some products or equipment that have the hatch door, especially outdoor unmanned aerial vehicle, it is equipped with corresponding theftproof structure mostly, these theftproof structures can protect unmanned aerial vehicle's spare part, not only can play the effect of theftproof, can also guarantee that its inside spare part or other products can not receive the damage, in order to further strengthen the function of theftproof structure, people often can be at one set of alarm device of its internal assembly, thereby can automatic alarm when the theftproof structure suffers destruction or other unexpected circumstances, with this personnel around warning, perhaps send remote signal and inform the personnel of being relevant with it.
Current alarm device is when assembling to unmanned aerial vehicle, most be connected with its power from the area, with this can be for alarm device real-time power supply, can in time send out the police dispatch newspaper after discovering the abnormal conditions, but the condition of compulsory destruction can appear in the difficult circumstances, especially on unmanned aerial vehicle, the inside wire of theftproof structure can run through the hatch door and wear to the outside and switch on the opening unit, and this wire also links to each other with the power from the area of theftproof structure, so very easily lead to the wire disorder after compulsory destruction theftproof structure, make the inside circuit of theftproof structure the condition such as short circuit or broken circuit appear, alarm device just can't obtain electric power support this moment, thereby it is long when just can reducing its warning, be difficult for arousing personnel's around attention, especially outdoor unmanned aerial vehicle's use scene is mostly remote area, transient warning can not play the warning effect.
Disclosure of Invention
The invention aims to provide an alarm device and an anti-theft structure matched with the alarm device, which can automatically switch a power supply source of the alarm device after the anti-theft structure is forcedly damaged, so that the alarm time of the alarm device is prolonged.
The technical scheme adopted by the invention is as follows:
an alarm device comprising:
the alarm device comprises a shell, wherein an alarm is arranged inside the shell;
the control unit is arranged inside the shell and comprises an operation key and an integrated circuit board, and the operation key is electrically connected with the alarm through the integrated circuit board;
the power supply unit comprises an external power supply and an internal power supply, the external power supply is arranged above the shell, the internal power supply is arranged on one side inside the shell, and the external power supply and the internal power supply are both electrically connected with the integrated circuit board;
the electromagnet is arranged inside the shell and is electrically connected with the integrated circuit board;
the wireless communication module is assembled inside the shell and externally connected with at least one mobile device through mobile data;
the reversing assembly is arranged below the electromagnet and used for replacing a current access point of the electromagnet;
the electromagnet is initially electrically connected with the external power supply through a connecting wire, when a circuit between the electromagnet and the external power supply is broken, the reversing assembly can drive the electromagnet to reverse, and the electromagnet is continuously driven to rotate along with the reversing assembly, so that the electromagnet gradually forms a passage with the circuit between the internal power supply.
As a preferable aspect of the alarm device of the present invention, wherein: the positioning chip is electrically connected with the built-in power supply and is also connected with the mobile equipment through the wireless communication module.
As a preferable aspect of the alarm device of the present invention, wherein: one side fixedly connected with threaded sleeve of shells inner wall, threaded sleeve's inside threaded connection has the connecting rod, the installation cavity has been seted up to the one end of connecting rod, the inside of installation cavity be provided with the first magnetic path of electromagnetism iron looks parallel and level, the inside of connecting rod still be provided with first magnetic path one side fixed connection's locating component, locating component is used for fixing the casing.
As a preferable aspect of the alarm device of the present invention, wherein: the positioning assembly comprises a positioning block, a linkage rod and a first elastic connecting piece, the positioning block is arranged at one end of the electromagnet, one end of the connecting rod is provided with a containing groove corresponding to the positioning block, one end of the connecting rod is further provided with an external fixture block matched with the positioning block, the linkage rod is slidably inserted into the connecting rod in a penetrating mode, one end of the linkage rod extends to the inside of the installation cavity and is fixedly connected with one side of the first magnetic block, the first elastic connecting piece is fixedly installed in the installation cavity, and one end of the first elastic connecting piece is fixedly connected with one side of the electromagnet.
As a preferable aspect of the alarm device of the present invention, wherein: when the electromagnet is electrified, the magnetic poles of the first magnetic block on the opposite side of the electromagnet are the same;
when the electromagnet is powered on, the linkage rod slides towards the outer side of the connecting rod under the action of repulsive force between the first magnetic block and the electromagnet, and the positioning block is close to the external clamping block under the action of the linkage rod.
As a preferable aspect of the alarm device of the present invention, wherein: the switching-over subassembly includes linkage pivot, thin slice fluted disc and thin slice meshing pinion rack, the linkage pivot rotates to be connected the bottom of casing inner chamber, the top of linkage pivot still with the bottom fixed connection of electro-magnet, thin slice fluted disc fixed connection in the bottom of linkage pivot, thin slice meshing pinion rack sliding connection in the bottom of casing, the thin slice meshing pinion rack with thin slice fluted disc intermeshing.
As a preferable aspect of the alarm device of the present invention, wherein: one side of casing is provided with the indent dog, one side of the concave surface is provided with the extension rod in the indent dog, the extension rod run through one side of casing bottom and with thin slice rodent board fixed connection, one side fixedly connected with second elastic connecting piece at extension rod top, second elastic connecting piece's one end with the inner wall fixed connection of casing.
As a preferable aspect of the alarm device of the present invention, wherein: the electromagnetic reversing device comprises a shell, and is characterized in that a mounting sleeve is fixedly connected to one side of the bottom of an inner cavity of the shell, a third elastic connecting piece is fixedly mounted inside the mounting sleeve, a second magnetic block is fixedly connected to one end of the third elastic connecting piece, an fastening rod is fixedly connected to one side of the second magnetic block, one end of the fastening rod extends to the outer side of the shell, and when the electromagnet is changed in direction under the action of a reversing assembly, the second magnetic block is the same as a magnetic pole on the side, opposite to the electromagnet, of the electromagnet.
As a preferable aspect of the alarm device of the present invention, wherein: a support rod is rotatably connected to the lower portion of the shell, and when the positioning assembly releases the limitation on the shell, the shell rotates along the outer surface of the support rod under the action of the gravity of the built-in power supply.
The invention also provides: the utility model provides an anti-theft structure, is applied to foretell alarm device, includes interior installation shell and outer installation shell, interior installation shell with outer installation shell is connected through the bolt, interior installation shell assembly is in the casing external power source with the outside of indent dog, one side of interior installation shell inner wall still seted up with the corresponding open slot of anchorage bar, one side of outer installation shell inner wall with one side fixed connection of external fixture block, go back fixedly connected with lug on the inner wall of outer installation shell, the lug cup joint in connecting wire's surface.
The invention has the technical effects that:
the invention adopts the design of the reversing component, and the reversing component can drive the electromagnet to rotate under the condition that the external power supply and the electromagnet are disconnected, so that the electromagnet can be automatically connected with the internal power supply, the alarm can still work for a long time, the attention of surrounding personnel can be effectively aroused, and the safety of an anti-theft structure and an installation carrier thereof is ensured;
the invention adopts the design of the positioning assembly, the positioning assembly can fix the shell together relative to the inner installation shell and the outer installation shell under the condition that the external power supply supplies power to the electromagnet, and the positioning assembly can automatically remove the fixed relation between the shell and the outer installation shell under the condition that the external power supply cuts off the power supply, and at the moment, the reversing assembly synchronously operates and switches the power supply of the electromagnet;
the invention adopts the design that the built-in power supply is arranged on one side in the shell, so that the shell can descend towards one end of the built-in power supply without being influenced by external force, and then the shell can rotate along the outer surface of the supporting rod under the action of the supporting rod, and a circuit between the built-in power supply and the alarm and the electromagnet can be automatically switched on in the rotating process, thereby ensuring that the alarm can continuously work;
according to the invention, the design of the fastening rod is adopted, and the fastening rod can be driven by the second magnetic block to move towards the outer side of the shell under the condition that the electromagnet is reversed and the built-in power supply is connected, and at the moment, the fastening rod can be gradually inserted into the open slot, so that the shell is fixed in the inner installation shell, the shaking caused by the influence of external force is avoided, and the alarm in the shell can stably give out alarm sound.
Drawings
FIG. 1 is a schematic view of the overall device of the alarm device provided by the present invention;
FIG. 2 is an exploded view of the interior of the housing provided by the present invention;
FIG. 3 is an enlarged schematic view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the invention at B of FIG. 2;
FIG. 5 is an overall schematic view of the anti-theft structure provided by the present invention;
FIG. 6 is an exploded view of the anti-theft structure provided by the present invention;
fig. 7 is a schematic view of the housing provided by the present invention after rotation.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a housing; 2. an electromagnet; 3. a commutation assembly; 301. a linkage rotating shaft; 302. a slice fluted disc; 303. the thin sheet is meshed with the toothed plate; 4. a connecting rod; 401. a first magnetic block; 5. a positioning assembly; 501. positioning blocks; 502. a linkage rod; 503. a first elastic connecting member; 6. a concave stop block; 7. an extension rod; 701. a second elastic connecting piece; 8. installing a sleeve; 801. a third elastic connecting piece; 802. a second magnetic block; 803. a fastening rod; 9. a support bar; 901. a flat chute; 902. an arc-shaped slot; 10. an inner mounting shell; 11. and (4) an outer mounting shell.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
Example 1
As shown in fig. 1-6, for the first embodiment of the present invention, the first embodiment provides an alarm device, which comprises a housing 1, a control unit, a power supply unit, an electromagnet 2, a wireless communication module and a reversing component 3, wherein the housing 1 is internally provided with an alarm, the alarm is set as a buzzer alarm, the housing 1 is further provided with a sound playing hole, the control unit is arranged inside the housing 1, the control unit comprises an operation key and an integrated circuit board, the operation key is electrically connected with the alarm through the integrated circuit board, the operation key is arranged at one side of the housing 1, the power supply unit comprises an external power supply and an internal power supply, the external power supply is arranged above the housing 1, the internal power supply is arranged at one side of the housing 1, the external power supply and the internal power supply are both arranged as a rechargeable battery pack, and the external power supply and the internal power supply are both electrically connected with the integrated circuit board, the electromagnet 2 is arranged inside the shell 1, the electromagnet 2 is electrically connected with the integrated circuit board, a series relation is formed between the electromagnet 2 and the integrated circuit board, the wireless communication module is assembled inside the shell 1 and externally connected with at least one mobile device through mobile data, a positioning chip is further arranged inside the shell 1 and used for sensing the position of the shell 1, the positioning chip is electrically connected with the built-in power supply and connected with the mobile device through the wireless communication module, the reversing component 3 is arranged below the electromagnet 2 and used for replacing a current access point of the electromagnet 2, and therefore switching of the electrical connection relation between the electromagnet 2 and the external power supply and the built-in power supply is completed;
wherein, the electromagnet 2 is initially electrically connected with an external power supply through a connecting lead, when a circuit between the electromagnet 2 and the external power supply is broken, the reversing component 3 can drive the electromagnet 2 to reverse, and as the reversing component 3 continuously drives the electromagnet 2 to rotate, the electromagnet 2 gradually forms a passage with a circuit between the built-in power supply, one end of the electromagnet 2 is fixedly provided with a connecting electrode which is electrically connected with an external coil of the electromagnet, when the electromagnet 2 is reversed under the action of the reversing component 3, the position of the connecting electrode is correspondingly changed, by arranging the fixed pole pieces which are respectively and electrically connected with the external power supply and the internal power supply in the shell 1, and the two fixed pole pieces are respectively corresponding to the front and back changed positions of the connection electrode, which is a technical means that is easy to be realized by people in the field, and the text and the drawings are not limited and detailed description is omitted.
When the alarm is used, under the condition that the external power supply cannot supply power to the electromagnet 2, the built-in power supply drives the shell 1 to rotate under the self counterweight, the reversing component 3 correspondingly and synchronously operates to enable the electromagnet 2 to complete reversing work, the electromagnet 2 is disconnected from the electrical connection with the external power supply in the process and is finally connected with a circuit between the built-in power supply, and the current of the built-in power supply can also flow into the alarm due to the series connection between the electromagnet 2 and the integrated circuit board, so that the alarm can still normally work, and the alarm can be ensured to continuously give an alarm sound.
As shown in fig. 2 and 3, one side fixedly connected with threaded sleeve of casing 1 inner wall, threaded sleeve's inside threaded connection has connecting rod 4, the installation cavity has been seted up to connecting rod 4's one end, the inside of installation cavity is provided with the first magnetic path 401 with 2 looks parallel and level of electro-magnet, when electro-magnet 2 circular telegram, first magnetic path 401 is the same with the relative one side magnetic pole of electro-magnet 2, and then can produce a mutually exclusive effort between first magnetic path 401 and electro-magnet 2, the inside of connecting rod 4 still is provided with the locating component 5 with first magnetic path 401 one side fixed connection, locating component 5 is used for fixed casing 1.
On the basis, a supporting rod 9 is rotatably connected below the shell 1, when the positioning component 5 releases the limitation on the shell 1, the shell 1 rotates along the outer surface of the supporting rod 9 under the action of the gravity of the built-in power supply, and a balancing weight can be additionally arranged on the inner side of the shell 1 to accelerate the rotation rate of the shell 1 relative to the supporting rod 9.
Further, as shown in fig. 4, the supporting rod 9 is fixedly assembled on an external carrier, a flat sliding groove 901 is formed in the upper surface of the supporting rod 9, an arc-shaped groove 902 communicated with the flat sliding groove 901 is formed in the side surface of the supporting rod 9, a sliding rod corresponding to the flat sliding groove 901 and the arc-shaped groove 902 is fixedly connected to the lower surface of the housing 1, and the sliding rod, the flat sliding groove 901 and the arc-shaped groove 902 are all in a structure with a larger bottom and a smaller top, so that the sliding rod can be prevented from falling off from the inside of the flat sliding groove 901 or the arc-shaped groove 902.
Furthermore, the front end of the supporting rod 9 is in threaded connection with an anti-falling plate, the radius of the anti-falling plate is larger than that of the supporting rod 9, and the assembled shell 1 cannot slide out from the upper portion of the supporting rod 9.
According to above-mentioned structure, when assembling casing 1, the operator screws in threaded sleeve's inside fixed with connecting rod 4 at first, then uses casing 1 to drive the slide bar and moves to the inside of level and smooth groove 901 again, then fastens the anticreep board at the front end of bracing piece 9, adjusts casing 1 to relative bracing piece 9 vertically state afterwards, and subsequent positioning assembly 5 that reuses confirms the position of casing 1 can accomplish assembly work.
As shown in fig. 2 and 6, the positioning assembly 5 includes a positioning block 501, a linkage rod 502 and a first elastic connection part 503, the positioning block 501 is disposed at an end of the connection rod 4 away from the electromagnet 2, an accommodating groove corresponding to the positioning block 501 is formed at an end of the connection rod 4, an external fixture block matched with the positioning block 501 is further disposed at an end of the connection rod 4, the positioning block 501 and the external fixture block are both processed into a square structure, and after the positioning block 501 and the external fixture block are assembled together, the connection rod 4 cannot rotate relative to the threaded sleeve, so that the connection rod 4 and the housing 1 are not easily separated from each other, the external fixture block is fixed on an external carrier, when the positioning block 501 is clamped in the internal of the external fixture block, the housing 1 is fixed relative to the external carrier, the linkage rod 502 is slidably inserted into the connection rod 4, one end of the linkage rod 502 extends into the mounting cavity and is fixedly connected to one side of the first magnetic block 401, the first elastic connecting piece 503 is fixedly installed inside the installation cavity, one end of the first elastic connecting piece 503 is fixedly connected with one side of the first magnetic block 401 far away from the electromagnet 2, and the elastic force of the first elastic connecting piece 503 is always smaller than the repulsive force between the electromagnet 2 and the first magnetic block 401.
Specifically, when the electromagnet 2 is powered on, the linkage rod 502 slides to the outer side of the connecting rod 4 under the action of the repulsive force between the first magnetic block 401 and the electromagnet 2, the positioning block 501 is close to the external fixture block under the action of the linkage rod 502, meanwhile, the first magnetic block 401 extrudes the first elastic connecting piece 503, the first elastic connecting piece 503 is stressed to contract, if a circuit between the subsequent electromagnet 2 and the external power supply is disconnected, the repulsive force between the first magnetic block 401 and the electromagnet 2 disappears, at this time, the first elastic connecting piece 503 rebounds and drives the first magnetic block 401 to reset gradually, correspondingly, at this time, the linkage rod 502 drives the positioning block 501 to slide out from the inside of the external fixture block gradually, at this time, the shell 1 can drive the connecting rod 4 to rotate, and conditions are created for the operation of the subsequent reversing assembly 3.
As shown in fig. 2 and 3, the reversing assembly 3 includes a link shaft 301, flake fluted disc 302 and flake joggle pinion 303, linkage pivot 301 rotates the bottom of connecting at the casing 1 inner chamber, concrete accessible bearing connects as the medium, do not restrict this in the text, the top of linkage pivot 301 still with the bottom fixed connection of electro-magnet 2, flake fluted disc 302 fixed connection is in the bottom of linkage pivot 301, flake joggle pinion 303 sliding connection is in the bottom of casing 1, flake joggle pinion 303 and flake fluted disc 302 all set up to common plastic products, make it have good insulating properties, flake joggle pinion 303 and flake fluted disc 302 intermeshing, flake fluted disc 302 can be joggled while gliding in flake joggle pinion 303, flake fluted disc 302 will drive linkage pivot 301 and rotate, linkage pivot 301 alright drive electro-magnet 2 and carry out synchronous rotation, thereby alright accomplish the switching-over work of electro-magnet 2 gradually.
As shown in fig. 6, one side of casing 1 is provided with indent dog 6, one side of the concave surface in indent dog 6 is provided with extension rod 7, the concave surface of indent dog 6 sets up to the arcwall face, and the angle of this arcwall face can set up according to actual demand, the one end and the arcwall face of extension rod 7 laminate each other, and this tip processing is the cambered surface end, and then the resistance when extension rod 7 is rotatory relative to indent dog 6 will reduce correspondingly, extension rod 7 runs through one side of casing 1 bottom and meshes pinion rack 303 fixed connection with the thin slice, one side fixedly connected with second elastic connection spare 701 at extension rod 7 top, the material of second elastic connection spare 701 is the same with the material of first elastic connection spare 503, the initial state that can set up to not atress of second elastic connection spare 701, the one end of second elastic connection spare 701 and the inner wall fixed connection of casing 1.
Specifically, when casing 1 relative support bar 9 rotates, casing 1 can drive extension rod 7 synchronous revolution, and extension rod 7's cambered surface end can be along the arcwall face walking of indent dog 6, this in-process, extension rod 7 will move to casing 1's inboard gradually, and still can stretch second elastic connecting piece 701, extension rod 7 can also drive the inside walking of thin slice nibbling pinion rack 303 along casing 1 simultaneously, and thin slice nibbling pinion rack 303 just can drive thin slice fluted disc 302 and rotate, it is corresponding, this moment linkage pivot 301 also drives electro-magnet 2 and realizes the switching-over.
It should be noted that, a guide rod is fixedly connected to one side of the extension rod 7, and the guide rod is slidably inserted into the bottom of the housing 1, which means that the strokes of the guide rod, the extension rod 7 and the thin-sheet toothed plate 303 are identical, and after the stroke is finished, the thin-sheet toothed plate 303 just drives the thin-sheet toothed plate 302 to rotate ninety degrees, so that the reversing angle of the electromagnet 2 is ninety degrees.
As shown in fig. 2, a mounting sleeve 8 is fixedly connected to one side of the bottom of the inner cavity of the casing 1, a third elastic connecting piece 801 is fixedly mounted inside the mounting sleeve 8, the third elastic connecting piece 801 and the first elastic connecting piece 503 are made of the same material, one end of the third elastic connecting piece 801 is fixedly connected with a second magnetic block 802, one side of the second magnetic block 802 is fixedly connected with a fastening rod 803, one end of the fastening rod 803 extends to the outside of the casing 1, when the electromagnet 2 is switched to face under the action of the reversing assembly 3, the magnetic pole of the second magnetic block 802 is the same as the magnetic pole of the opposite side of the electromagnet 2, and at this time, a repulsive acting force is also generated between the second magnetic block 802 and the electromagnet 2.
It should be noted that the outer carrier is provided with a notch corresponding to the fastening rod 803.
According to the structure, after the reversing of the electromagnet 2 is completed, the electromagnet 2 is also electrically connected with the built-in power supply, the second magnetic block 802 drives the fastening rod 803 to move to the outer side of the shell 1 under the action of the repulsive force between the second magnetic block and the electromagnet 2, then the fastening rod 803 gradually moves to the notch of the external carrier, finally the shell 1 is fixed relative to the external carrier again, and then the electrical connection relation between the electromagnet 2 and the built-in power supply is guaranteed not to be broken.
Example 2
Referring to fig. 5-7, a second embodiment of the present invention is based on the previous embodiment.
The utility model provides an anti-theft structure, be applied to the alarm device in embodiment 1, including interior installation shell 10 and outer installation shell 11, interior installation shell 10 is connected through the bolt with outer installation shell 11, interior installation shell 10 assembles at casing 1, the outside of external power supply and indent dog 6, the open slot corresponding with anchorage bar 803 has still been seted up to one side of interior installation shell 10 inner wall, one side of outer installation shell 11 inner wall and one side fixed connection of external fixture block, still fixedly connected with lug on the inner wall of outer installation shell 11, the lug cup joints the surface in connecting wire, when strong power destroys outer installation shell 11, the lug can tear connecting wire apart.
It should be noted that, interior installation shell 10 and outer installation shell 11 all assemble on the dodge gate, for example, domestic burglary-resisting door, unmanned aerial vehicle hatch door etc., and interior installation shell 10, all set up the stroke groove that provides the removal space for connecting rod 4 on outer installation shell 11 and the dodge gate, the inside of interior installation shell 10 still is provided with proximity sensor, proximity sensor also integrates on integrated circuit board, and with external power supply electric connection, be used for judging whether the dodge gate closes intact, if do not close, then can send the signal of telecommunication to the alarm, the alarm will report to the police and warn operating personnel, especially for unmanned aerial vehicle, if the hatch door does not close intact then can influence its flight safety, can lead to the phenomenon of unmanned aerial vehicle crash to take place even.
It should be further noted that the inner mounting shell 10 and the outer mounting shell 11 are both composed of a fixing shell and a butt-joint shell, and the butt-joint shell of the outer mounting shell 11 and the fixing shell of the inner mounting shell 10 are fastened together by bolts.
Specifically, after outer installation shell 11 suffers destruction, outer installation shell 11 will tear connecting wire open, and then 2 electro-magnet and external power supply's electric connection relation will break off this moment, locating component 5 will remove and external fixture block between the limited relation this moment, and then casing 1 rotates along the surface of bracing piece 9 under the effect of built-in power supply and balancing weight, can drive the side of operating button and interior installation shell 10 to the contact at casing 1 pivoted in-process, form the route between built-in power supply and integrated circuit board and electro-magnet 2 this moment, then second magnetic path 802 drives fastening rod 803 and blocks the inside of open slot gradually, casing 1 will fix the inside of including installation shell 10 to one side this moment, and then make the alarm still can report to the police.
The working principle of the invention is as follows: when outer installation shell 11 is destroyed, external power supply just also can't be to electro-magnet 2 power supplies, and built-in power supply drives casing 1 under the counter weight of self this moment and uses bracing piece 9 to rotate as the axle center, the corresponding synchronous operation of this in-process switching-over subassembly 3 for the switching-over work is accomplished gradually to electro-magnet 2, can switch on after the switching-over is accomplished and the circuit between built-in power supply and the alarm, thereby make the alarm still can normally work, guarantee with this that the alarm can continuously send out the police dispatch newspaper sound.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (4)
1. An alarm device, characterized in that: the method comprises the following steps:
the alarm device comprises a shell (1), wherein an alarm is arranged inside the shell (1);
the control unit is arranged inside the shell (1) and comprises an operation key and an integrated circuit board, and the operation key is electrically connected with the alarm through the integrated circuit board;
the power supply unit comprises an external power supply and an internal power supply, the external power supply is arranged above the shell (1), the internal power supply is arranged on one side inside the shell (1), and the external power supply and the internal power supply are both electrically connected with the integrated circuit board;
the electromagnet (2) is arranged inside the shell (1), and the electromagnet (2) is electrically connected with the integrated circuit board;
a wireless communication module, which is assembled inside the housing (1) and which externally connects at least one mobile device by means of mobile data;
the reversing assembly (3) is arranged below the electromagnet (2) and is used for replacing a current access point of the electromagnet (2);
the electromagnet (2) is initially electrically connected with the external power supply through a connecting wire, when a circuit between the electromagnet (2) and the external power supply is broken, the reversing assembly (3) can drive the electromagnet (2) to reverse, and as the reversing assembly (3) continuously drives the electromagnet (2) to rotate, the electromagnet (2) gradually forms a passage with the circuit between the internal power supply;
a threaded sleeve is fixedly connected to one side of the inner wall of the shell (1), a connecting rod (4) is connected to the inner portion of the threaded sleeve in a threaded mode, an installation cavity is formed in one end of the connecting rod (4), a first magnetic block (401) which is flush with the electromagnet (2) is arranged inside the installation cavity, a positioning assembly (5) fixedly connected to one side of the first magnetic block (401) is further arranged inside the connecting rod (4), and the positioning assembly (5) is used for fixing the shell (1);
the positioning component (5) comprises a positioning block (501), a linkage rod (502) and a first elastic connecting piece (503), the positioning block (501) is arranged at one end of the connecting rod (4) far away from the electromagnet (2), one end of the connecting rod (4) is provided with a containing groove corresponding to the positioning block (501), one end of the connecting rod (4) is also provided with an external fixture block matched with the positioning block (501), the linkage rod (502) is inserted in the connecting rod (4) in a sliding way, one end of the linkage rod (502) extends into the installation cavity and is fixedly connected with one side of the first magnetic block (401), the first elastic connecting piece (503) is fixedly installed inside the installation cavity, and one end of the first elastic connecting piece (503) is fixedly connected with one side, away from the electromagnet (2), of the first magnetic block (401);
the reversing assembly (3) comprises a linkage rotating shaft (301), a thin-sheet toothed disc (302) and a thin-sheet toothed plate (303), the linkage rotating shaft (301) is rotatably connected to the bottom end of the inner cavity of the shell (1), the top end of the linkage rotating shaft (301) is fixedly connected with the bottom end of the electromagnet (2), the thin-sheet toothed disc (302) is fixedly connected to the bottom end of the linkage rotating shaft (301), the thin-sheet toothed plate (303) is slidably connected to the bottom end of the shell (1), and the thin-sheet toothed plate (303) and the thin-sheet toothed disc (302) are meshed with each other;
an inwards concave stop block (6) is arranged on one side of the shell (1), an extension rod (7) is arranged on one side of an inwards concave surface of the inwards concave stop block (6), the extension rod (7) penetrates through one side of the bottom end of the shell (1) and is fixedly connected with the thin sheet toothed plate (303), a second elastic connecting piece (701) is fixedly connected to one side of the top of the extension rod (7), and one end of the second elastic connecting piece (701) is fixedly connected with the inner wall of the shell (1);
a mounting sleeve (8) is fixedly connected to one side of the bottom of an inner cavity of the shell (1), a third elastic connecting piece (801) is fixedly mounted inside the mounting sleeve (8), a second magnetic block (802) is fixedly connected to one end of the third elastic connecting piece (801), a fastening rod (803) is fixedly connected to one side of the second magnetic block (802), one end of the fastening rod (803) extends to the outer side of the shell (1), and when the electromagnet (2) is changed in direction under the action of the reversing assembly (3), the magnetic poles of the second magnetic block (802) and the electromagnet (2) on the opposite side are the same;
a support rod (9) is rotatably connected to the lower portion of the shell (1), and when the positioning assembly (5) releases the limitation on the shell (1), the shell (1) rotates along the outer surface of the support rod (9) under the action of the gravity of the built-in power supply.
2. An alarm device according to claim 1, wherein: the mobile device is characterized in that a positioning chip is further arranged inside the shell (1), the positioning chip is electrically connected with the built-in power supply, and the positioning chip is further connected with the mobile device through the wireless communication module.
3. An alarm device according to claim 1, wherein: when the electromagnet (2) is electrified, the magnetic poles of the first magnetic block (401) and the side, opposite to the electromagnet (2), are the same;
when the electromagnet (2) is powered on, the linkage rod (502) slides towards the outer side of the connecting rod (4) under the action of a repulsive force between the first magnetic block (401) and the electromagnet (2), and the positioning block (501) is close to an external clamping block under the action of the linkage rod (502).
4. An antitheft structure applied to the alarm device according to any one of claims 1 to 3, characterized in that: including interior installation shell (10) and outer installation shell (11), interior installation shell (10) with outer installation shell (11) are connected through the bolt, interior installation shell (10) assembly is in casing (1) external power supply with the outside of indent dog (6), one side of interior installation shell (10) inner wall still seted up with the corresponding open slot of anchorage bar (803), one side of outer installation shell (11) inner wall with one side fixed connection of external fixture block, go back fixedly connected with lug on the inner wall of outer installation shell (11), the lug cup joint in connecting wire's surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210360965.6A CN114495467B (en) | 2022-04-07 | 2022-04-07 | Alarm device and matched anti-theft structure thereof |
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| CN202210360965.6A CN114495467B (en) | 2022-04-07 | 2022-04-07 | Alarm device and matched anti-theft structure thereof |
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| CN114495467B true CN114495467B (en) | 2022-07-05 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204067112U (en) * | 2014-09-16 | 2014-12-31 | 浙江欧迪森电气有限公司 | Twin-power switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05198395A (en) * | 1991-12-19 | 1993-08-06 | Ishikawajima Harima Heavy Ind Co Ltd | Electromagnet polarity switching device |
| CN209198584U (en) * | 2018-11-02 | 2019-08-02 | 南京乾能科技有限公司 | A kind of distribution computer room communication manager power failure alarm device |
| CN211082164U (en) * | 2019-11-29 | 2020-07-24 | 称道新材料科技(上海)有限公司 | Novel metering pump device |
| CN210836450U (en) * | 2019-12-21 | 2020-06-23 | 重庆酉甲通讯设备有限责任公司 | Building monitoring burglar alarm |
| CN215580511U (en) * | 2021-07-14 | 2022-01-18 | 温州大观电气有限公司 | Double-power supply change-over switch |
| CN114284089A (en) * | 2022-01-11 | 2022-04-05 | 商丘工学院 | Mechanical and electrical interlocking device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204067112U (en) * | 2014-09-16 | 2014-12-31 | 浙江欧迪森电气有限公司 | Twin-power switch |
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