CN213545488U

CN213545488U - Distributed approach alarm device

Info

Publication number: CN213545488U
Application number: CN202021693530.6U
Authority: CN
Inventors: 李卫
Original assignee: Shenzhen Affection Interactive Technology Co ltd
Current assignee: Shenzhen Affection Interactive Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-06-25
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to a technical field of alarm device discloses distributing type proximity alarm device, including transmitting module, receiving module, alarm module and host system, transmitting module receiving module all is connected with alarm module host system, transmitting module is used for transmitting low frequency wireless signal, and low frequency wireless signal can bypass the barrier, receiving module is used for receiving low frequency wireless signal and feeds back to host system, host system calculates the distance of emission source through the low frequency wireless signal intensity of receiving, host system is provided with the distance threshold value, and when the distance is less than the distance threshold value, host system control alarm module reports to the police; the electromagnetic wave transmitted by the transmitting device is a low-frequency wireless signal with specific frequency, can effectively bypass the human body and common small and medium-sized or even large-sized obstacles, avoids the interference of the signal by the obstacles in the transmission process, and accurately measures the distance between the two parties.

Description

Distributed approach alarm device

Technical Field

The patent of the utility model relates to an alarm device's technical field particularly, relates to distributing type and is close alarm device.

Background

Sometimes, people need to keep a certain distance, for example, in the period of epidemic outbreak, people need to keep a certain distance to reduce the infection of virus.

To keep the distance between people, firstly, the specific value of the distance between two people needs to be known, and the current interpersonal distance control products on the market are basically based on Bluetooth and UWB. The bluetooth scheme satisfies general interpersonal distance control requirement, but the bluetooth meets and blocks easy signal propagation after sheltering from, no matter where the equipment is worn at the health, does not accomplish reliable warning to the approach that separates the health hardly. The UWB scheme accomplishes relatively reliable warning basically, also can accomplish relatively accurate location under the condition of not sheltering from, but the UWB scheme is great to sheltering from back distance control error, and in the low coverage range finding, single error of sheltering from is about 20% basically, and the double body shelters from down just more difficult to satisfy practical requirement, and UWB's ranging system has strict restriction to system capacity moreover, only is fit for a small amount of crowds' social distance control scene.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an alarm device is close to distributing type aims at solving prior art, and alarm device is close to distributing type shelters from the problem that the back is easily disturbed.

The utility model discloses a realize like this, alarm device is close to distributing type, including transmitting module, receiving module, alarm module and host system, transmitting module receiving module all is connected with alarm module host system, transmitting module is used for launching low frequency radio signal, and low frequency radio signal can bypass the barrier, receiving module is used for receiving low frequency radio signal and feeds back to host system, host system calculates out the distance of emission source through the low frequency radio signal intensity of receiving, host system is provided with apart from the threshold value, when being less than apart from the threshold value, host system controls alarm module reports to the police.

Further, alarm device is close to distributing type includes the main casing body, the main casing body includes antenna storehouse, battery compartment and mainboard storehouse, the antenna storehouse the battery compartment reaches two liang of interval arrangements in the mainboard storehouse, emission module places in the antenna storehouse, the battery is placed in the battery compartment, host system with alarm module places in the mainboard storehouse.

Furthermore, the antenna bin is provided with a shock absorption structure, and the shock absorption structure is arranged around the transmitting module; when falling, the shock-absorbing structure prevents the transmission module from being damaged.

Furthermore, the damping structure comprises a plurality of damping pieces, the damping pieces are arranged at intervals in sequence along the horizontal direction, the damping pieces are arranged elastically, the antenna bin is provided with an inner wall facing the damping pieces, the damping pieces are arranged in a butt joint manner with the inner wall of the antenna bin, and the damping pieces are formed in an arched manner along the transmitting module; when the transmitting module is placed in the antenna bin, the transmitting module abuts against the middle of the damping sheet.

Further, alarm module includes alarm indicator lamp, vibrating motor and audible alarm ware, the alarm lamp vibrating motor reaches audible alarm ware all connects host system, the alarm lamp vibrating motor reaches audible alarm ware is parallel arrangement respectively.

Further, the main board bin comprises a motor compartment, the vibration motor is placed in the motor compartment, and the vibration motor abuts against the motor compartment; when an alarm is given, the main control module controls the vibration motor to vibrate.

Furthermore, the distributed proximity alarm device comprises a setting key and a power key, wherein the setting key and the power key are respectively connected with the main control module, and the setting key sets a distance threshold; and the power key controls the on and off of the distributed proximity alarm device and sets an alarm reminding mode.

Further, the main casing body is provided with hangs the portion of putting, hang the both ends of portion of putting with the main casing body is fixed arrangement, follows and deviates from the main casing body direction, hang the portion of putting and be the hunch-up and arrange, hang the portion of putting with form between the main casing body and hang the district, the becket etc. passes hang put the district with alarm device is the butt joint and arranges.

Further, the main housing is in a flat arrangement.

Further, the low-frequency wireless signal transmitted by the transmitting module is RF ID of 125KHz standard.

Compared with the prior art, the utility model provides a distributed proximity alarm device, during the use, emission module transmission low frequency wireless signal, low frequency wireless signal can walk around the barrier, be convenient for external equipment to receive emission module transmission signal, receiving module receives the low frequency wireless signal that the emission source transmitted, and feed back the signal intensity data of emission source to main control module, main control module calculates the distance of emission source through the low frequency wireless signal intensity of receiving, because main control module is provided with the distance threshold value, when being less than the distance threshold value, main control module then controls alarm module and starts, play warning and warning effect; therefore, the transmitting module is matched with the receiving module, low-frequency wireless signal transmission is adopted, electromagnetic waves with specific frequency can bypass the shielding body, transmission interruption is avoided, and the anti-interference performance of signal transmission is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of an alarm device provided by the present invention;

FIG. 2 is a schematic perspective view of the inside of the alarm device provided by the present invention;

fig. 3 is a schematic perspective view of a vibration motor provided by the present invention;

FIG. 4 is a schematic perspective view of a damping sheet provided by the present invention;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-4, the preferred embodiment of the present invention is shown.

Distributed approach alarm device, including emission module 4, receiving module 6, alarm module and host system 5, emission module 4, host system 5 is all connected with alarm module to receiving module 6, emission module 4 is used for transmitting low frequency wireless signal, low frequency wireless signal can bypass the barrier, receiving module 6 is used for receiving the low frequency wireless signal of other products and feeds back to the signal strength of host system 5 emission source, host system 5 calculates the distance of emission source through the low frequency wireless signal intensity of receipt, host system 5 is provided with apart from the threshold value, when being less than apart from the threshold value, host system 5 controls alarm module and reports to the police.

For example, there are two distributed proximity alarm devices, i.e. a first distributed proximity alarm device and a second distributed proximity alarm device, when in use, the transmitting module 4 of the first device transmits a low-frequency wireless signal, the low-frequency wireless signal can bypass a barrier, and is convenient for an external device to receive the signal transmitted by the transmitting module 4, the receiving module 6 of the second device receives the low-frequency wireless signal transmitted by the transmitting source of the first device and feeds back the signal intensity data of the transmitting source to the main control module 5, and the main control module 5 of the second device calculates the distance of the transmitting source of the first device according to the received low-frequency wireless signal intensity, because the main control module 5 is provided with a distance threshold, when the distance is smaller than the distance threshold, the main control module; therefore, the transmitting module 4 of the first device is matched with the receiving module 6 of the second device, low-frequency wireless signal transmission is adopted, electromagnetic waves with specific frequency can bypass the shielding body, signal interruption is avoided, and the anti-interference performance of signal transmission is greatly improved.

The propagation of low-frequency wireless signals is the propagation of electromagnetic waves, and in the propagation of electromagnetic waves, the lower the frequency, the longer the wavelength, and the smaller the size of obstacles in nature, which are easy to diffract, and in popular terms, the obstacles are bypassed.

The transmitting module 4 transmits low-frequency wireless signals to the periphery, generally 125KHz standard RFID, and the signals with the frequency can bypass the human body through testing, even if common large objects can bypass the human body; when the distributed proximity alarm device is used, the two parties respectively wear the same distributed proximity alarm device and are provided with the transmitting module 4 and the receiving module 6, the transmitting module 4 of one party transmits signals, the receiving module 6 of the other party receives the signals and feeds the signals back to the main control module 5 of the machine, the main control module 5 processes and records signal information, and if the obtained distance is lower than a preset distance threshold value, the alarm module gives an alarm.

Because the strength of the signal is inversely proportional to the square of the distance, e.g., a doubling of the distance reduces the signal strength to one fourth of the original; when the initial signal strength is known, the distance value between the two can be calculated from the change in the signal strength.

The main control module adopts an NRF52832 chip for controlling NORDIC.

Distributed approach alarm device includes main casing body 1, and main casing body 1 includes antenna storehouse 7, battery compartment 9 and mainboard storehouse 8, and antenna storehouse 7, battery compartment 9 and mainboard storehouse 8 are two liang of interval arrangements, and emission module 4 is placed in antenna storehouse 7, and the battery is placed in battery compartment 9, and host system 5 and alarm module place in mainboard storehouse 8.

In order to better protect each module and internal devices, a plurality of cabin bodies are divided, particularly a transmitting module 4 and batteries are placed in the independent cabin bodies, and the batteries can be replaceable dry batteries or rechargeable batteries; from left to right, antenna storehouse 7, mainboard storehouse 8 and battery compartment 9 are arranged at interval in proper order.

The antenna bin 7 is provided with a damping structure which is arranged around the transmitting module 4; when dropped, the shock absorbing structure prevents the emitter module 4 from being damaged. Because the transmitting module 4 contains the magnetic rod, and is easy to damage when falling, the transmitting module 4 is independently placed in a bin body, and the periphery of the transmitting module 4, especially the places of four sides, are provided with the damping structures.

The damping structure comprises a plurality of damping pieces 13, the damping pieces 13 are arranged elastically, the damping pieces 13 are butted with the antenna bin 7 in a butt joint manner, and the damping pieces 13 are arranged in an arch manner along the direction of the transmitting module 4; when the emitting module 4 is placed in the antenna chamber 7, the emitting module 4 abuts against the middle of the damper 13.

The damping sheet 13 has elasticity, one end of the damping sheet 13 is in butt joint with the antenna bin 7, the middle of the damping sheet 13 is arched to form a buffer area, and the other end of the damping sheet 13 is close to the antenna bin but is not connected with the antenna bin, so that the damping effect is better due to the butt joint of only one end, and the damping sheet 13 has a damping effect; when dropped, the transmitter module 4 is prevented from directly hitting the antenna bin 7.

Alarm module includes alarm lamp 10, vibrating motor 11 and audible alarm 12, and main control module 5 is all connected to alarm lamp 10, vibrating motor 11 and audible alarm 12, and alarm lamp 10, vibrating motor 11 and audible alarm 12 are parallel arrangement.

The alarm lamp 10 sends out a light alarm signal, and the alarm lamp 10 comprises at least one signal lamp; the vibration motor 11 generates a vibration alarm signal, and the sound alarm device is a horn or a buzzer. In different environments, the three alarm module parts can work simultaneously or one of the three alarm module parts can work; for example, when quiet, to avoid disturbing others, the audible alarm device is turned off.

The main board bin 8 comprises a motor compartment, the vibration motor 11 is placed in the motor compartment, and the vibration motor 11 is fixed in the motor compartment; when an alarm is given, the main control module 5 controls the vibrating core piece to vibrate.

In order to avoid the damage of other devices caused by the pendulum bob of the motor when the vibration motor 11 vibrates and ensure that the vibration is efficiently transmitted to the shell, an independent motor compartment is designed to isolate the vibration motor 11 and is tightly fixed in the motor compartment.

The distributed proximity alarm device comprises an on-off key 3 and a setting key 15, the on-off key is used for turning on and off a power supply of the distributed proximity alarm device and setting alarm reminding modes (vibration, light and sound), the setting key 15 is connected with the main control module 5, the setting key 15 can set distance thresholds to different preset values for different requirements and different scenes, and when the distance value calculated by the main control module 5 is smaller than the threshold value, the alarm module is controlled to initiate alarm

The main casing body 1 is provided with hangs the portion of putting 2, and the both ends of hanging the portion of putting 2 are fixed with the main casing body 1 and arrange, along deviating from main casing body 1 direction, hangs the portion of putting 2 and is the hunch-up and arranges, hangs and forms between the portion of putting 2 and the main casing body 1 and hang the district, and the becket etc. passes to hang and puts the district and be the butt joint with alarm device and arrange.

The distributed proximity alarm device may be placed in a pocket, for convenience, or may be worn on the body, for example hanging around the neck; the hanging part 2 is arranged for hanging on the body conveniently, and the rope loop can be worn on the body after passing through the hanging area and is not easy to lose.

The distributed proximity alarm device is mainly placed on a person, and in order to be convenient to carry, the main shell 1 is designed into a flat shape and is convenient to place in a pocket or hang on the person by using a rope ring.

The frequency transmitted by the transmitting module 4 is 125KHz standard RFID. Through repeated tests, the frequency of about 125KHz can bypass the human body and general shelters; the small objects such as human bodies, electric poles and the like can not be shielded and generally ordinary large objects and the like can not interfere with ranging, and the frequency transmitted by the transmitting module 4 is set to be 125KHz standard RFID.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Distributed approach alarm device, its characterized in that, including emission module, receiving module, alarm module and host system, emission module the receiving module all is connected with alarm module host system, emission module is used for launching low frequency wireless signal, and low frequency wireless signal can bypass the barrier, receiving module is used for receiving low frequency wireless signal and feeds back to host system, host system calculates the distance of emission source through the low frequency wireless signal intensity of receipt, host system is provided with the distance threshold value, when being less than the distance threshold value, host system control alarm module reports to the police.

2. The distributed proximity alarm device of claim 1, wherein the distributed proximity alarm device comprises a main housing, the main housing comprises an antenna compartment, a battery compartment and a motherboard compartment, the antenna compartment, the battery compartment and the motherboard compartment are arranged at intervals, the transmitting module is disposed in the antenna compartment, the battery is disposed in the battery compartment, and the main control module and the alarm module are disposed in the motherboard compartment.

3. The distributed proximity alarm apparatus of claim 2, wherein the antenna pod is provided with shock absorbing structures disposed about the transmitter module; when falling, the shock-absorbing structure prevents the transmission module from being damaged.

4. The distributed proximity alarm apparatus of claim 3, wherein the shock absorbing structure comprises a plurality of shock absorbing pieces, the shock absorbing pieces are arranged in a spaced sequence along a horizontal direction, the shock absorbing pieces are arranged elastically, the antenna bin has an inner wall facing the shock absorbing pieces, the shock absorbing pieces are arranged in a butt joint with the inner wall of the antenna bin, and the shock absorbing pieces are formed in a vaulted arrangement along the direction of the transmitting module; when the transmitting module is placed in the antenna bin, the transmitting module abuts against the middle of the damping sheet.

5. The distributed proximity warning device of claim 4, wherein the warning module comprises a warning indicator light, a vibration motor and an audible alarm, the warning light, the vibration motor and the audible alarm are all connected to the main control module, and the warning light, the vibration motor and the audible alarm are respectively arranged in parallel.

6. The distributed proximity warning apparatus of claim 5, wherein the motherboard compartment includes a motor compartment, the vibration motor being disposed within the motor compartment, the vibration motor abutting the motor compartment; when an alarm is given, the main control module controls the vibration motor to vibrate.

7. The distributed proximity warning apparatus according to claim 6, wherein the distributed proximity warning apparatus includes a power key and a setting key, the setting key and the power key are respectively connected to the main control module, and the setting key sets a distance threshold; and the power key controls the on and off of the distributed proximity alarm device and sets an alarm reminding mode.

8. The distributed proximity alarm system of claim 7, wherein the main housing is provided with a hanging portion, two ends of the hanging portion are fixedly arranged with the main housing, the hanging portion is arranged in an arch shape along a direction away from the main housing, a hanging area is formed between the hanging portion and the main housing, and a rope loop or the like passes through the hanging area and is arranged in a butt joint manner with the alarm device.

9. The distributed proximity warning device of claim 8, wherein the main housing is flat.

10. A distributed proximity alarm system according to any of claims 1 to 9 wherein the low frequency wireless signal transmitted by the transmission module is a 125KHz standard RFID.