KR102383171B1 - Rf microphone system for police car - Google Patents

Abstract

The present invention relates to a wireless microphone system for a police car. According to the present invention, the wireless microphone system for the police car includes: a camera (120) installed in a police car (10) to capture an image of an outside of the police car (10); a wireless receiver (130) installed in the police car (10); a storage module (140) provided in the police car (10) and configured to store an audio signal received from the wireless receiver (130) and an image signal captured by the camera (120); a microphone (220) worn on a body of a police officer (P) and configured to input a conversation of the police officer (P) located outside the police car (10) and an on-site sound around the police officer (P); and a wireless transmitter (210) worn on the body of the police officer (P) and configured to process the audio signal input from the microphone (220) into a wireless signal and transmit the wireless signal to the wireless receiver (130). Accordingly, both images and sounds of an on-site situation outside a police car are stored in normal times.

Description

Police car wireless microphone system {RF MICROPHONE SYSTEM FOR POLICE CAR}

The present invention relates to a wireless microphone system for a police car, and in particular, it is possible to store both video and sound of the scene situation outside the police car during normal times, and to determine it immediately when an emergency situation occurs, so that it is an emergency situation through an alarm in the police car. It relates to a police car wireless microphone system suitable to be able to notify the surroundings.

In general, a police car is a car used for work by the National Police Agency, and is mainly used for patrol, field visits, arrests, and escorts. The internal structure of a police car is significantly different from that of a general vehicle, it is equipped with a siren and a wireless device, a bulkhead is installed to prevent assault by the police, and the door cannot be opened from the inside to prevent escape, and the roof of the police car is Flashing lights are installed.

Such a police car is equipped with a device that records the police activity and automatically stores the captured image.

That is, a camera for capturing images of the outside of the police car and a storage device (DVR) for storing the video signal captured by the camera are provided on the front of the inside of the police car. be able to

However, in the case of the conventional police car, there were the following technical limitations.

In other words, in the conventional case, since the external activity situation is only photographed with a camera, it is impossible to check the conversation contents of the police outside the police car or the sound of the field, so there is a limit to storing the actual field activity situation as it is and using it as legal evidence at a later date. there was.

Document 1: Registered Patent Publication No. 10-1838525 (Announcement date: 2018.03.14) Document 2: Registered Patent Publication No. 10-1692430 (Announcement Date: 2017.01.03)

The present invention was created to solve the problems of the prior art as described above, and the purpose of the police car wireless microphone system according to the present invention is,

First, the contents of the police activity by wirelessly transmitting the conversation contents of the police outside the police car and the sound of the scene so that they can be recorded through the storage device provided in the police car, and thus the contents of the ordinary police activities can be recorded and recorded. can be used as evidence in the event of an accident,

Second, in case of an emergency or emergency, the police manually press the emergency notification button and operate the alarm in the police car that it is an emergency or emergency through the alarm in the police car so that the nearby police officers or people around can be notified. , so that police officers or people in the vicinity of the police officers in danger can be notified quickly and reliably by loud alarms or lights;

Third, when there is no movement, such as when the police are in danger and collapsed on an object, etc., even if the police cannot or do not directly press the emergency notification button, the alarm in the police car is activated to indicate an emergency or emergency. to inform the people of

Fourth, in the control center, it is possible to remotely confirm that the police security site is an emergency or emergency situation, so that the status of police activities can be monitored at all times, and it is possible to take quick rescue measures and response in case of an emergency.

Fifth, to ensure the reliability of the determination of the non-operational state and the collapsed state,

Sixth, it allows the police to determine whether the police have actually fallen to the ground independently of the police's motion-quiet state (non-action), thereby enabling detailed and accurate confirmation of the specific situation at the scene of the police activity;

Seventh, to provide a police car wireless microphone system suitable for distinguishing between a case where it is normally resting and a case where an actual emergency has occurred after being put into an actual operation, and thus providing an error-free security response environment. there is.

A police car wireless microphone system according to the present invention for achieving the above object includes a camera installed in a police car to image the outside of the police car, a wireless receiver installed in the police car, and an audio signal provided in the police car and received from the wireless receiver and a storage module for storing the video signal captured by the camera, a microphone worn on the body of a police officer, into which a police conversation outside a police car and a sound from the scene around the police are input, and a microphone worn on the body of the police officer, the microphone It is characterized in that it comprises a wireless transmitter for processing the audio signal input from the wireless signal to transmit to the wireless receiver.

The police car wireless microphone system according to the present invention having the above configuration has the following effects.

First, the contents of the police conversation and the sound of the scene can be wirelessly transmitted outside the police car and recorded through the storage device provided in the police car. can be used as evidence in the event of an accident.

Second, when an emergency or emergency occurs, the police can manually press the emergency notification button to activate the alarm in the police car that it is an emergency or emergency, thereby notifying nearby police officers or people around. Therefore, there is an effect that the police officer or people around the police officer who is in danger can be notified quickly and reliably by a loud alarm sound or light.

Third, when there is no movement, such as when the police are in danger and collapsed on an object, etc., even if the police cannot or do not directly press the emergency notification button, the alarm in the police car is activated to indicate an emergency or emergency. It has the effect of informing people of

Fourth, in the control center, it is possible to remotely confirm that the police security site is an emergency or emergency situation, so that the status of police activities can be monitored at all times, and there is an effect that it is possible to take quick rescue measures and response in case of an emergency.

Fifth, there is an effect that can guarantee the reliability of the determination of the non-operational state and the collapsed state.

Sixth, it is possible to determine whether the police have actually fallen to the ground independently of the police's motion-quiescent state (non-movement), and as a result, it is effective to check the specific situation of the police activity site in detail and accurately.

Seventh, it is possible to distinguish between the case of a normal rest and the case of an actual emergency occurring after being put into an actual operation, and as a result, there is an effect of providing an error-free security response environment.

1 is a diagram illustrating a state of use of a police car wireless microphone system according to an embodiment of the present invention.
2 is a block diagram of a police car wireless microphone system according to an embodiment of the present invention.
3 is a schematic diagram of an embodiment in which the motion detection sensor 231 and the inclination sensor 232 are provided in the wireless transmitter 210 in the police car wireless microphone system according to an embodiment of the present invention.

Hereinafter, a preferred embodiment of the present invention of the police car wireless microphone system will be described in detail with reference to the accompanying drawings.

The police car 10 described throughout this specification includes a firefighting vehicle and an emergency ambulance, and the police are a concept including a firefighter and an emergency rescue personnel.

A police car wireless microphone system according to an embodiment of the present invention includes a camera 120 installed in a police car 10 to image the outside of the police car 10, a wireless receiver 130 installed in the police car 10, A storage module 140 provided in the police car 10 and storing an audio signal received from the wireless receiver 130 and an image signal captured by the camera 120, and a police car worn on the body of a police officer P ( 10) A microphone 220 to which the conversation of the police officer P outside and the sound of the scene around the police officer P are input, and the audio signal worn on the body of the police officer P and input from the microphone 220 wirelessly It is characterized in that it is configured to include a wireless transmitter 210 that processes the signal and transmits it to the wireless receiver 130 .

According to this, it is possible to record the conversation contents and the sound of the scene of the police officer P outside the police car 10, so that it is possible to record the contents of the police activity (eg, checkpoint search and work, etc.) in normal times. These police activities can be used as evidence in the event of an accident.

In the police car wireless microphone system according to an embodiment of the present invention, the wireless transmitter 210 is provided with an emergency notification button 211 that allows the police officer P to input an emergency situation, and the emergency notification button ( When the input signal of 211) is received, the wireless transmitter 210 transmits a first emergency rescue signal Es1 (which can also be output as a data value) to the wireless receiver 130 to inform that it is an emergency situation. .

According to this, when the police officer P directly manually presses the emergency notification button 211 in an emergency situation or an emergency situation, the alarm 150 can be operated to quickly and reliably notify the surrounding police officer or surrounding people.

In addition, it is also possible to inform the control center 300 of an emergency or an emergency situation in addition. Here, of course, the control center 300 is actually a terminal device (server, etc.) provided in the building.

In the police car wireless microphone system according to an embodiment of the present invention, a motion detection sensor 231 that is worn on the body of a police officer P, detects the movement of the police officer P, and outputs the detected movement as a motion detection signal. is further included, and the wireless transmitter 210 determines whether or not the police officer P operates on the basis of the motion detection signal received from the motion detection sensor 231, and there is no operation of the police officer P When it is determined that there is no operation, the second emergency rescue signal Es2 (or an emergency rescue data value can also be output) is transmitted to the wireless receiver 130 .

For example, when there is no movement, such as when the police are in danger and collapses on an object, the second emergency rescue signal notifying that the police officer P cannot directly press the emergency notification button 211 or does not press the emergency notification button 211 is automatically transmitted will do

On the other hand, based on the motion detection signal received from the motion detection sensor 231, it is determined whether the police officer P is operating or not, and it is determined that the police officer P is in a non-operational state, and determined to be in a non-operational state. In this case, the function of generating and outputting the second emergency rescue signal Es2 may be configured by providing a control unit inside the wireless transmitter 210, and the control unit may be composed of a programmable microcomputer and CPU. There will be.

In addition, in the police car wireless microphone system according to an embodiment of the present invention, the first emergency rescue signal Em1 or the second emergency rescue signal Em2 is provided inside the police car 10 and is transmitted from the wireless receiver 130 . ) is received, the controller 110 for outputting an alarm drive control signal to the alarm 150, and the police car 10 and emits an alarm light according to the alarm drive control signal received from the controller 110, or It outputs an alarm sound and further includes an alarm 150 for notifying the surrounding police officers or surrounding people in the vicinity of the police car 10 using a sound (alarm sound) or light (alarm light) that it is an emergency situation. characterized.

According to this, when harm occurs or an emergency situation occurs to a police officer performing police duties (when the first and second emergency rescue signals are received), the alarm 150 provided in the police car is automatically activated and the alarm 150 ), by outputting a loud sound (alarm sound) or a bright light (alarm light) (especially useful at night), it has the effect of notifying the surrounding police officers immediately and surely, and as a result, an emergency situation It can inform you of the situation in the field quickly and reliably.

It goes without saying that the controller 110 may be integrally configured with the wireless receiver 130 or implemented as a separate configuration.

And, in the police car wireless microphone system according to an embodiment of the present invention, the communication module communicates with the remote control center 300 and transmits emergency situation information to the control center 300 according to the control of the controller 110 . 160 is further included, and when the controller 110 receives the first emergency rescue signal Em1 or the second emergency rescue signal Em2 from the wireless receiver 130, the remote control center (300) [Police command post terminal] characterized in that it notifies the emergency.

According to this, since the control center 300 can receive the emergency rescue signal, the control center 300 can remotely confirm that the police policing scene is an emergency or emergency situation, and thus can monitor the police activity situation, In the event of an emergency, quick rescue actions are possible.

And, in the police car wireless microphone system according to an embodiment of the present invention, the wireless transmitter 210 determines whether the police officer P is operating based on the motion detection signal received from the motion detection sensor 231 . It is characterized in that, when the state in which the police officer P is not in operation continues for a first reference time (eg, 30 seconds), it is determined that the state is inactive.

According to this, there is an advantage in that the reliability of the determination of the non-operational state can be ensured.

In the police car wireless microphone system according to an embodiment of the present invention, the motion detection sensor 231 sets the floor surface on which the police officer P stands as the X-Y Cartesian coordinate plane, The X-axis motion detection signal and the Y-axis motion detection signal that are the motion magnitude value in the Y-axis direction are separated and output, and the wireless transmitter 210 detects the X-axis motion detection signal and the Y-axis motion received from the motion sensor 231 . When all of the signals are received within the first reference time, it is characterized in that it is determined as the non-operational state.

If any one of the X-axis motion detection signal and the Y-axis motion detection signal received from the motion detection sensor 231 exceeds the first reference time, the wireless transmitter 210 determines that it is in an operating state.

According to this, there is an advantage in that the determination of the non-operational state can be accurately and reliably performed.

In the police car wireless microphone system according to an embodiment of the present invention, the motion detection sensor 231 is configured as a vibration sensor, and the wireless transmitter 210 (specifically, a CPU (microcomputer) in the wireless transmitter) is a vibration sensor. It is determined whether there is a non-operational state based on the vibration sensing value of (231).

And, in the police car wireless microphone system according to an embodiment of the present invention, worn on the body of the police officer (P), the police officer (P) in a state inclined with respect to the floor [ground] (standing, lying, or upright state) ) is configured to further include a tilt sensor 232 for detecting and outputting a tilt signal, the wireless transmitter 210 is based on the tilt signal received from the tilt sensor 232, the police officer (P) is currently on the floor It is determined whether the person is lying on the bed or lying face down (hereinafter referred to as "the state of collapse"). It is characterized in that it is transmitted to the wireless receiver (130).

According to this, it is possible to determine whether the police officer P has actually fallen to the floor independently of the stoppage state (non-action) of the police officer P, and thus, the advantage of being able to check the specific situation of the police activity site in detail and accurately there is.

In the police car wireless microphone system according to an embodiment of the present invention, when the inclination value of the inclination signal received from the inclination sensor 232 is less than or equal to a first reference angle (eg, 15 degrees), the wireless transmitter 210 is , characterized in that it is determined that there is a current collapsed state and outputting a third emergency rescue signal Em3 to the wireless transmitter 210 .

According to this, it is possible to accurately know the current situation of the police officer P by the measured angle.

In the police car wireless microphone system according to an embodiment of the present invention, the inclination sensor 232 senses the inclination in the Z-axis direction perpendicular to the floor on which the police officer P stands, and transmits the inclination signal to the wireless transmitter 210. It is characterized in that it is output as

According to this, there is an advantage in that reliability of operation and judgment can be guaranteed.

At this time, when the controller 110 receives the third emergency rescue signal Em3 from the wireless receiver 130, it outputs an alarm driving control signal to the alarm 150,

The alarm 150 emits an alarm light or outputs an alarm sound according to the alarm drive control signal received from the controller 110 to indicate an emergency situation by using a sound (alarm sound) or light (alarm light). ), it is characterized in that it can notify the surrounding police officers or surrounding people in the vicinity.

And, in the police car wireless microphone system according to an embodiment of the present invention, the wireless transmitter 210 further includes a mode setting button 212 for selecting an idle mode and an operation mode, and the mode setting button When the idle mode is set in (212), even if the motion detection signal or the tilt signal is received, the determination of the inactive state or the collapsed state is not performed, and only when the operation mode is set in the mode setting button 212, the inactivity It is characterized in that the determination of the state or the collapsed state is performed.

According to this, it is possible to prevent confusion between the two by distinguishing between the case of a normal rest and the case of an actual emergency occurring after being put into an actual operation, thereby providing an error-free environment.

In the police car wireless microphone system according to an embodiment of the present invention, the first emergency rescue signal Es1, the second emergency rescue signal Es2, and the third emergency rescue signal Es3 are distinguished from each other and controlled as separate signals. It may be transmitted to the center 300 .

According to this, there is an advantage that the most optimal response can be made in an emergency situation by dividing the on-site situation in detail.

Meanwhile, depending on the embodiment, the first emergency rescue signal Es1, the second emergency rescue signal Es2, and the third emergency rescue signal Es3 are not distinguished and may be transmitted to the control center 300 as the same signal. is of course

The police car wireless microphone system according to an embodiment of the present invention transmits the voice of the activity during normal times, records the work record, stores it in the server of the control center such as the National Police Agency, and can be used as evidence in case of an accident, such as a trial, when necessary. When an emergency situation occurs, it can be immediately and surely notified to the surrounding area through the alarm 150 of the police car 10, so that it is possible to respond quickly.

On the other hand, in the police car wireless microphone system according to an embodiment of the present invention, the motion sensor 231 may be provided in the wireless transmitter 210 , and the inclination sensor 232 is also connected to the wireless transmitter 210 . It may be provided, of course, may be provided separately depending on the embodiment.

And, the wireless transmitter 210 may be worn on the waist of the police officer (P).

As described above, preferred embodiments according to the present invention have been reviewed, and it is common knowledge in the technical field that the present invention can be implemented in other specific forms without changing the technical spirit or essential features in addition to the above-described embodiments. It is self-evident to those who have Therefore, it should be understood that the above-described embodiments are illustrative and not restrictive.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

10: police car P: police
110: controller 120: camera
130: storage module 140: wireless receiver
150: alarm 160: communication module
210: radio transmitter
211: emergency button 212: mode setting button
220: microphone
231: motion detection sensor 232: tilt sensor
300: control center

Claims (4)

A camera 120 installed in the police car 10 to image the outside of the police car 10,
A wireless receiver 130 installed in the police car 10 and;
a storage module 140 provided in the police car 10 and storing an audio signal received from the wireless receiver 130 and an image signal captured by the camera 120;
A microphone 220 that is worn on the body of the police officer P, and into which the conversation of the police officer P outside the police car 10 and the sound of the scene around the police officer P are input;
It is worn on the body of the police officer (P) and is configured to include a wireless transmitter 210 that processes the audio signal input from the microphone 220 as a wireless signal and transmits it to the wireless receiver 130,
The wireless transmitter 210 is provided with an emergency notification button 211 to which the police officer P can input an emergency situation,
When the input signal of the emergency notification button 211 is received, the wireless transmitter 210 transmits a first emergency rescue signal Es1 to the wireless receiver 130 to inform that it is an emergency situation,
It is worn on the body of the police officer (P), and is configured to further include a motion detection sensor 231 that detects the movement of the police officer (P) and outputs the detected movement as a motion detection signal,
The wireless transmitter 210 determines whether or not the police officer P is operating on the basis of the motion detection signal received from the motion detection sensor 231, and when it is determined that the police officer P is in a non-operational state transmits a second emergency rescue signal Es2 to the wireless receiver 130,
It is provided inside the police car 10 , and when the first emergency rescue signal Em1 or the second emergency rescue signal Em2 is received from the wireless receiver 130 , the alarm drive control signal is output to the alarm 150 . and a controller 110 to
It is provided in the police car 10 and emits an alarm light or outputs an alarm sound according to the alarm drive control signal received from the controller 110, and uses a sound (alarm sound) or light (alarm light) to indicate an emergency. An alarm 150 for notifying the surrounding police officers or surrounding people in the vicinity of the police car 10,
A communication module 160 that communicates with the remote control center 300 and transmits emergency situation information to the control center 300 according to the control of the controller 110 is further included and configured,
When the controller 110 receives the first emergency rescue signal Em1 or the second emergency rescue signal Em2 from the wireless receiver 130, the controller 110 informs the remote control center 300 of an emergency situation,
The wireless transmitter 210 determines whether or not the police officer P is operating based on the motion detection signal received from the motion detection sensor 231, and the state in which the police officer P is not in operation is maintained for a first reference time. If it continues, it is judged as inactive,
The motion detection sensor 231 sets the floor surface on which the police officer P stands as an XY orthogonal coordinate plane, the X-axis motion detection signal that is the motion magnitude value in the X-axis direction, and the Y-axis that is the motion magnitude value in the Y-axis direction. Separately and output as a motion detection signal,
The wireless transmitter 210 determines that it is in an inactive state when both the X-axis motion detection signal and the Y-axis motion detection signal received from the motion detection sensor 231 are received for less than the first reference time,
The wireless transmitter 210 determines that it is in an operating state when any one of the X-axis motion detection signal and the Y-axis motion detection signal received from the motion detection sensor 231 exceeds the first reference time,
The motion sensor 231 is composed of a vibration sensor,
The wireless transmitter 210 determines whether there is a non-operational state based on the vibration sensing value of the vibration sensor 231,
It is worn on the body of the police officer (P), and a tilt sensor 232 that detects a state in which the police officer (P) is tilted with respect to the floor and outputs a tilt signal is further included,
The wireless transmitter 210 determines whether the police officer (P) is currently lying on the floor or lying on the floor (hereinafter referred to as the "supine state") based on the inclination signal received from the inclination sensor 232, and the police When it is determined that this is the current state of collapse, a third emergency rescue signal Em3 is transmitted to the wireless receiver 130,
When the inclination value of the inclination signal received from the inclination sensor 232 is less than or equal to the first reference angle, the wireless transmitter 210 determines that the current collapsed state and transmits a third emergency rescue signal Em3 to the wireless transmitter ( 210) is output,
When receiving the third emergency rescue signal Em3 from the wireless receiver 130, the controller 110 outputs an alarm driving control signal to the alarm 150,
The alarm 150 emits an alarm light or outputs an alarm sound according to the alarm drive control signal received from the controller 110 to indicate an emergency situation using a sound (alarm sound) or light (alarm light). 10) You can notify nearby police officers or people around you,
The wireless transmitter 210 is configured to further include a mode setting button 212 for selecting an idle mode and an operational mode,
When the mode setting button 212 is set to the idle mode, the operation mode is set in the mode setting button 212 without performing the determination of the inactive state or the collapsed state even when a motion detection signal or a tilt signal is received The judgment of the non-operational state or the collapsed state is performed only when
The first emergency rescue signal (Es1), the second emergency rescue signal (Es2), and the third emergency rescue signal (Es3) are distinguished from each other and can be transmitted to the control center 300 as separate signals. wireless microphone system.
The method according to claim 1,
The inclination sensor (232) senses the inclination in the Z-axis direction perpendicular to the floor surface on which the police officer (P) stands, and outputs the inclination signal to the wireless transmitter (210).
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