CN212061387U

CN212061387U - Abnormal event detection equipment

Info

Publication number: CN212061387U
Application number: CN202020122673.5U
Authority: CN
Inventors: 张量; 许振斌; 郑艺斌
Original assignee: Beijing Family Intelligent Technology Co Ltd
Current assignee: Beijing Family Intelligent Technology Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-12-01
Anticipated expiration: 2030-01-17

Abstract

The embodiment of the application discloses abnormal event detection equipment which comprises a sound acquisition module, an alarm module and a controller. The sound collection module can collect sound signals in the current environment in real time and then sends the collected sound signals to the controller. The controller determines whether an abnormal event exists according to the received sound signal, and controls the alarm module to give an alarm when the abnormal event is determined. In other words, the embodiment of the application realizes monitoring of the abnormal event through a voice processing technology, and the voice signal occupies a smaller storage space relative to the image, so that the requirement on the performance of the controller is reduced, and further the cost of the equipment is reduced.

Description

Abnormal event detection equipment

Technical Field

The application relates to the technical field of safety monitoring, in particular to abnormal event detection equipment.

Background

With the continuous development of internet technology, more and more security products appear in the middle of people's life. By security products is meant devices or equipment that can provide prevention or protection against attacks or victims to achieve security.

The existing security products mainly utilize an image processing technology to monitor the discovery of abnormal events, however, on one hand, the security products which utilize images to monitor have certain limitations and are influenced by a plurality of environmental factors, such as light; on the other hand, the cost of such products is high, which affects the applicability.

SUMMERY OF THE UTILITY MODEL

In view of this, an embodiment of the present application provides an abnormal event detection device to effectively prevent an illegal event from occurring, and improve security performance.

In order to solve the above problem, the technical solution provided by the embodiment of the present application is as follows:

in a first aspect of embodiments of the present application, there is provided an abnormal event detection apparatus, including: the device comprises a sound acquisition module, an alarm module and a controller;

the sound acquisition module is used for acquiring sound signals in the current environment and sending the sound signals to the controller;

the controller is used for determining whether an abnormal event exists according to the sound signal;

the controller is also used for controlling the alarm module to give an alarm when the abnormal event is determined to exist.

In some possible implementations, a camera module is further included;

the camera module is used for acquiring image signals in the current environment and sending the image signals to the controller;

the controller is further used for determining whether an abnormal event exists according to the image signal;

the controller is specifically configured to control the alarm module to alarm when it is determined that an abnormal event exists according to the sound signal and/or when it is determined that an abnormal event exists according to the image signal.

In some possible implementations, the alarm module includes an alarm lamp and/or an alarm; the alarm lamp is composed of a light emitting diode, and the alarm is a loudspeaker or a buzzer.

In some possible implementations, the device further includes an upper housing, a support rod, and a base; the upper shell comprises an accommodating space for encapsulating the sound acquisition module, the alarm device and the controller and a connecting end connected with the supporting rod;

the first end of the supporting rod is connected with the connecting end of the upper shell, and the second end of the supporting rod is provided with external threads; the base is provided with an internal thread, and the internal thread is matched with the external thread so that the supporting rod is connected with the base.

In some possible implementations, the upper surface of the upper housing includes a first through-hole, a second through-hole, and a third through-hole;

the first through hole corresponds to the sound collection module, the second through hole corresponds to the alarm module, and the third through hole is used for fixing the upper shell and the sound collection module.

In some possible implementation manners, the accommodating space of the upper housing further includes a bracket, the bracket is used for fixing a circuit board, and the circuit board includes the sound collection module, the controller and the alarm device.

In some possible implementations, the circuit board is hexagonal, and one microphone is disposed at each of six corners of the circuit board.

In some possible implementation manners, the circuit board further includes a plurality of preset first mounting holes, the bracket includes a plurality of preset second mounting holes, and the first mounting holes correspond to the second mounting holes one to one.

In some possible implementation manners, the side surface of the upper shell comprises a first opening and a second opening, the first opening is a light inlet and a light outlet of an alarm lamp or a camera device, and the second opening is an outlet of an alarm.

In some possible implementations, a connecting wire is arranged in the rod of the supporting rod, and a motor can be fixed in the rod of the supporting rod; one end of the motor is connected with the controller, and the other end of the motor is connected with the upper shell;

the controller is further used for determining the direction of a sound source according to the sound signal and controlling the motor to drive the upper shell to turn to the direction of the sound source.

In some possible implementations, the device further includes a communication circuit to send an exception event signal to a server when the controller determines that an exception event exists.

In some possible implementations, the base includes a battery for providing power to the device.

Therefore, the embodiment of the application has the following beneficial effects:

the abnormal event detection device provided by the embodiment of the application comprises a sound collection module, an alarm module and a controller. The sound collection module can collect sound signals in the current environment in real time and then sends the collected sound signals to the controller. The controller determines whether an abnormal event exists according to the received sound signal, and controls the alarm module to give an alarm when the abnormal event is determined. In other words, the embodiment of the application realizes monitoring of the abnormal event through a voice processing technology, and the voice signal occupies a smaller storage space relative to the image, so that the requirement on the performance of the controller is reduced, and further the cost of the equipment is reduced.

Drawings

Fig. 1 is a structural diagram of an abnormal event detection device according to an embodiment of the present application;

fig. 2 is a mechanical structure diagram of an abnormal event detection device according to an embodiment of the present disclosure;

FIG. 3 is a block diagram of an upper housing according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of an abnormal event detection apparatus according to an embodiment of the present application;

fig. 5 is a circuit board structure diagram provided in an embodiment of the present application;

fig. 6 is an overall structural view of a bracket according to an embodiment of the present application;

FIG. 7 is a top view of a bracket according to an embodiment of the present application;

fig. 8 is a front view of an abnormal event detecting apparatus according to an embodiment of the present application;

fig. 9 is a framework diagram of an implementation of an abnormal event detection device according to an embodiment of the present application.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the drawings are described in detail below.

To facilitate understanding of the abnormal event detecting apparatus provided in the embodiment of the present application, the apparatus will be described below with reference to the accompanying drawings, and as shown in fig. 1, the abnormal event detecting apparatus 10 includes: sound collection module 101, controller 102 and alarm module 103.

The sound collection module 101 is configured to collect sound signals in a current environment, and send the sound signals to the controller 102. The sound collection module may be a microphone array, and the microphone array may be formed by arranging a plurality of microphones according to a preset rule.

The controller 102 is configured to determine whether an abnormal event exists according to the sound signal;

the controller 102 is further configured to control the alarm module 103 to alarm when it is determined that an abnormal event exists. The alarm module can be an alarm lamp or an alarm, the alarm lamp can be composed of a light emitting diode, and the alarm can be a loudspeaker or a buzzer. And when the abnormal event is determined to exist, controlling an alarm lamp to flash and/or controlling an alarm to give an alarm sound.

In a specific implementation, the controller may determine whether there is an abnormal event according to the received sound signal by comparing the received sound signal with a reference sound signal obtained in advance to obtain an analysis result. The reference sound signal is a sound signal obtained in advance when the environment where the sound collection module is located is in a normal state. And the other method is to input the sound signal into a sound signal classification model generated by pre-training to obtain a classification result corresponding to the sound signal. The sound signal classification model is generated by training according to a training sound signal and a classification label corresponding to the sound signal. Specifically, a large number of sound signals can be collected, and each sound signal is subjected to a classification label to serve as a set of training samples to train the initial network model. During actual training, both positive training samples (the classification labels are abnormal events) and negative training samples (the classification labels are abnormal events) are collected, so that the classification result of the sound signal classification model generated by training is more accurate.

Optionally, to further improve the security effect, the apparatus may further include a camera module 104, where the camera module 104 is configured to collect an image signal in the current environment, and send the image signal to the controller, and the controller determines whether an abnormal event exists according to the image signal. In particular implementations, the controller may determine whether to alarm based on the analysis of the sound signal and/or the analysis of the image signal. Specifically, when any analysis result shows that an abnormal event exists, the alarm module is controlled to give an alarm; or when both the two analysis results have abnormal events, the alarm module is controlled to give an alarm.

Optionally, as shown in fig. 2, the device may include an upper housing 201, a support rod 301, and a base 401, wherein the upper housing 201 includes an accommodating space for enclosing the sound collection module, the alarm device, and the controller, and a connecting end connected to the support rod. Specifically, the first end of the supporting rod 301 is connected with the connecting section of the upper housing, the second end is provided with an external thread, and the base 401 is provided with an internal thread, which is matched with the external thread, so that the supporting rod is connected with the base.

Specifically, the upper housing 201 includes a first through hole 2011, a second through hole 2012 and a third through hole 2013, wherein the first through hole corresponds to the sound collection module, and when the sound collection module is composed of a plurality of microphones, the number of the first through holes is the same as the number of the sound collection modules. The second through holes correspond to the alarm modules, and specifically correspond to the alarm lamps one to one when the alarm modules are alarm lamps. The third through hole is a fixing hole and used for fixing the upper shell and the sound acquisition module. In a specific implementation, the third through holes may be adjacent to the first through holes, as shown in fig. 3, specifically, each of the first through holes is adjacent to one of the third through holes, and the third through holes may also be disposed beside a part of the first through holes, which is not limited herein. In addition, the upper surface of the upper shell is further provided with a screw hole 2014 for fixing the upper shell and the side wall.

Optionally, the accommodating space of the upper housing further includes a bracket 501, as shown in fig. 4, the bracket is used for fixing and protecting a circuit board 601, and the circuit board includes a sound collection module, a controller, and an alarm device. The circuit board may be hexagonal, and one microphone is disposed at each of six corners of the circuit board, as shown in fig. 5, the circuit board includes a plurality of first mounting holes 6011 and microphones 6012. The bracket is shown in a perspective view in fig. 6, and includes second mounting holes 5011 and third mounting holes 5012, where the second mounting holes 5011 correspond to the first mounting holes 601 on the circuit board one by one for fixing the circuit board, and the third mounting holes 5012 are used for fixing the bracket. In addition, a fourth mounting hole 5013 may be included in the bottom-most edge of the bracket for securing the bracket, as shown in the top view of the bracket in FIG. 7.

Optionally, the side of the upper housing may further include a first opening 2015 and a second opening 2016, as shown in fig. 2, wherein the first opening 2015 is a light inlet and outlet of a warning light or a camera device, and as shown in fig. 8, the first opening may be a square opening. The second opening 2016 is the outlet of the alarm, i.e., corresponds to a speaker or buzzer.

Optionally, a connecting wire may be disposed in the rod of the support rod, and a motor may be fixed in the rod of the support rod, one end of the motor being connected to the controller, and the other end being connected to the upper housing. The controller is also used for determining the sound direction according to the sound signal and controlling the motor to drive the upper shell to turn to the sound source direction. That is, the upper housing is freely rotatable. Specifically, when the electric motor is a digital steering engine, the digital steering engine is installed at a joint at the upper end of the support rod, such as a joint 801 shown in fig. 8; when the motor is a stepper motor, the stepper motor is mounted within the shaft of the support rod.

Optionally, the apparatus may further send an abnormal event signal to the server when it is determined that an abnormal event exists, and therefore, the apparatus may further include the communication circuit 105. Specifically, when the controller determines that an abnormal event exists, the communication circuit sends an abnormal event signal to the server so as to report the abnormal event in time. Additionally, a battery may be disposed within the base to provide power to the device.

Specifically, the communication circuit CAN send the abnormal event signal to the server in a wired communication mode or a wireless communication mode, and when the communication circuit is in wired communication, the abnormal event signal CAN be sent in a RS485 mode, a CAN mode and the like; when the abnormal event signal is transmitted through wireless communication, the abnormal event signal can be transmitted in a wireless communication mode such as WiFi, low-power Bluetooth, a cellular network or other Internet of things. In practical applications, a specific communication mode of the communication circuit may be selected according to an application scenario, and the embodiment is not limited herein.

Based on the above description, the abnormal event detecting apparatus includes a sound collecting module, an alarm module, and a controller. The sound collection module can collect sound signals in the current environment in real time and then sends the collected sound signals to the controller. The controller determines whether an abnormal event exists according to the received sound signal, and controls the alarm module to give an alarm when the abnormal event is determined. In other words, the embodiment of the application realizes monitoring of the abnormal event through a voice processing technology, and the voice signal occupies a smaller storage space relative to the image, so that the requirement on the performance of the controller is reduced, and further the cost of the equipment is reduced.

In order to facilitate understanding of the working principle of the abnormal event detection device provided in the embodiment of the present application, referring to the frame diagram shown in fig. 9, the controller first receives a sound signal sent by the sound collection module and an image signal sent by the camera module; the controller processes the sound signal and the image signal by using a preset algorithm to determine whether an abnormal event exists in the current environment. And when the abnormal event is determined to exist, controlling the alarm lamp and the alarm to work, and simultaneously sending an abnormal signal to the server so that the server can take corresponding measures according to the received abnormal signal.

It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the system or the device disclosed by the embodiment, the description is simple because the system or the device corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.

It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An abnormal event detecting apparatus, comprising: the alarm device comprises a sound acquisition module, an alarm module and a controller, wherein the sound acquisition module and the alarm module are respectively connected with the controller, the sound acquisition module comprises a microphone array, and the alarm module comprises an alarm lamp and/or an alarm;

2. The apparatus of claim 1, further comprising a camera module;

3. The device according to claim 1, characterized in that the alarm module comprises an alarm lamp and/or an alarm; the alarm lamp is composed of a light emitting diode, and the alarm is a loudspeaker or a buzzer.

4. The apparatus of claim 1, further comprising an upper housing, a support bar, and a base; the upper shell comprises an accommodating space for encapsulating the sound acquisition module, the alarm module and the controller and a connecting end connected with the supporting rod;

5. The apparatus of claim 4, wherein the upper surface of the upper housing includes a first through-hole, a second through-hole, and a third through-hole;

6. The device of claim 4, further comprising a bracket in the accommodating space of the upper housing, wherein the bracket is used for fixing a circuit board, and the circuit board comprises the sound collection module, the controller and the alarm module.

7. The apparatus of claim 6, wherein the circuit board is hexagonal in shape, and one microphone is disposed at each of six corners of the circuit board.

8. The apparatus of claim 6, wherein the circuit board further comprises a predetermined plurality of first mounting holes, the bracket comprises a predetermined plurality of second mounting holes, and the first mounting holes correspond to the second mounting holes one to one.

9. The apparatus according to claim 4, wherein the side of the upper housing comprises a first opening and a second opening, the first opening is a light inlet/outlet of an alarm lamp or a camera device, and the second opening is an outlet of the alarm device.

10. The apparatus according to claim 4, characterized in that the inside of the rod of the support rod is provided with a connecting wire, and the inside of the rod of the support rod can be fixed with a motor; one end of the motor is connected with the controller, and the other end of the motor is connected with the upper shell;

11. The apparatus of claim 1, further comprising a communication circuit for sending an exception event signal to a server when the controller determines that an exception event exists.

12. The apparatus of claim 4, wherein the base includes a battery for providing power to the apparatus.