Nowadays, with everyone’s emphasis on home security, whether it is a small family monitor or a civilian burglar alarm, the way that this kind of telephone alarm has gradually penetrated into many of our ordinary families, and its appearance can be said To make our security measures more three-dimensional and more "smart", to bid farewell to a single purely passive protection model.
However, just when we thought that our family security was perfectly safe, a few pots of cold water poured into our heads. During the most recent period of time, inadvertent telephone alarms have burst out. Can not help but let our mind startled: this kind of thing in the end can not be expected?
Who gave us an alarm call?
Similar to other anti-theft alarm devices, telephone alarms are also made up of infrared sensors, magnetic switches, remote controls, and corresponding alarm telephones. When someone enters our fortified area, it triggers our surveillance equipment. At this time, the signal will be transmitted to the alarm phone, alarm call dialing alarm. After the call is connected, the user can also monitor the situation in the house through the on-site front-end equipment to keep abreast of the dynamics in the home.
Under normal circumstances, in addition to the basic anti-theft function, most of these devices can also play a role in monitoring the elderly or young children in the home. When an unexpected situation occurs or if the body is suddenly uncomfortable, the corresponding control device can also be used to give an emergency alarm to remind the family.
It can be said that this is a multi-purpose alarm tool that can help us in life. But why have we been disappointed with such a convenient device?
What is the failure of phone alarm failure?
Through our understanding, we discovered that the reasons for the frequent failure of telephone alarms are not equipment failures or some technical flaws. However, due to differences in the installation location or the sensitivity of some sensing devices, the “botany†of related equipment is eventually caused.
Obstruction of the ornament or the target is too large
Today, in almost all home renovations, the beauty is probably the only reference to home furnishings or furniture layout. However, this is somewhat abrupt in the case of telephone alarms that are "in the forefront" everywhere. As a result, many households deploy telephone alarms, sometimes in an inconspicuous place for the pursuit of beauty, such as behind a curtain or a decorative corner. Although this placement satisfies the user's aesthetic requirements to a large extent, it is faced with the flaw that the alarm signal is weakened.
In addition, some telephone alarms are designed to increase the safety and avoid false alarms. Therefore, alarms are installed around the windows and doors, etc., and alarms are triggered by external forces that have been committed. However, when the defense zone is not affected by external forces, it is not. An alarm will be issued. Although this setting improves the sensitivity and accuracy of the alarm to a certain extent, it is easy to become a thief's primary starting target because of its large size and obvious location.
Environmental interference and weak recognition
Today, some wireless alarm devices use the infrared that is released by the human body, or grab microwaves to perform alarms. For such a technology, more defense zones and alarm terminals can be set. Therefore, it has a high level of intelligence and a strong linkage.
However, for devices that recognize infrared, especially through microwaves, how to distinguish between high-heat light or hot air near the sensor, or how to separate human information that is close to the ambient temperature when the weather is overheating is also this The primary problem that class alarm devices have to face.
Therefore, in order to be able to make up for the shortcomings of both infrared and microwave devices, some new devices introduced by manufacturers will use pyroelectric infra-red detection and microwave detection in the same group of detectors, using microwaves that are not blocked and for smoke, light, The insensitivity of temperature changes complements the inadequacies of human pyroelectric infrared detectors. Theoretically speaking, false alarms are virtually eliminated by the composite detection of both units.
However, such perfection may miss others, because the human body's infrared radiation is easily blocked by walls, furniture, plates, and glass. This type of detector will only warn after both devices have warned. Therefore, if a rogue with anti-alarm experience is encountered and entered by means of a baffle cover, it is difficult to completely avoid the occurrence of a missed report.
Peripheral electromagnetic interference
In our current living environment, electromagnetic interference is undoubtedly very serious. Especially in our homes, whether it is the signal of the mobile phone, the signal of the wireless network, or some electromagnetic things released by the furniture electrical appliances, etc., it is filled in our living space. And such an environment will undoubtedly have a very significant impact on the alarm devices of the same high-frequency emission. It is easy to induce false alarms and other phenomena. Therefore, this also greatly affects the accuracy of the alarm equipment.
Through the above analysis, I am afraid that many users have been shocked by a cold sweat. Perhaps too many users did not think that when we proudly use this thing that can turn the “thief†into a group, how can we not think that there are so many times, we may be lost in the middle of the thieves. In fact, we review our security field, which is the pace of development in the field of home security. It is not difficult to find that although our security market is rapidly developing today, many security products and technologies are still lacking because the overall development time is still short. A long run or try. Therefore, many devices also need us to continue to improve in use. This is one of the many stages in the development of many technologies.
And this means that although we already have advanced tools as support, our security awareness is also indispensable to us. After all, there must be sparseness in the face of Baimi, and in the face of the security technology we are growing up, too much. My negligence may ultimately only bring us more regret.
However, just when we thought that our family security was perfectly safe, a few pots of cold water poured into our heads. During the most recent period of time, inadvertent telephone alarms have burst out. Can not help but let our mind startled: this kind of thing in the end can not be expected?
Who gave us an alarm call?
Similar to other anti-theft alarm devices, telephone alarms are also made up of infrared sensors, magnetic switches, remote controls, and corresponding alarm telephones. When someone enters our fortified area, it triggers our surveillance equipment. At this time, the signal will be transmitted to the alarm phone, alarm call dialing alarm. After the call is connected, the user can also monitor the situation in the house through the on-site front-end equipment to keep abreast of the dynamics in the home.
Under normal circumstances, in addition to the basic anti-theft function, most of these devices can also play a role in monitoring the elderly or young children in the home. When an unexpected situation occurs or if the body is suddenly uncomfortable, the corresponding control device can also be used to give an emergency alarm to remind the family.
It can be said that this is a multi-purpose alarm tool that can help us in life. But why have we been disappointed with such a convenient device?
What is the failure of phone alarm failure?
Through our understanding, we discovered that the reasons for the frequent failure of telephone alarms are not equipment failures or some technical flaws. However, due to differences in the installation location or the sensitivity of some sensing devices, the “botany†of related equipment is eventually caused.
Obstruction of the ornament or the target is too large
Today, in almost all home renovations, the beauty is probably the only reference to home furnishings or furniture layout. However, this is somewhat abrupt in the case of telephone alarms that are "in the forefront" everywhere. As a result, many households deploy telephone alarms, sometimes in an inconspicuous place for the pursuit of beauty, such as behind a curtain or a decorative corner. Although this placement satisfies the user's aesthetic requirements to a large extent, it is faced with the flaw that the alarm signal is weakened.
In addition, some telephone alarms are designed to increase the safety and avoid false alarms. Therefore, alarms are installed around the windows and doors, etc., and alarms are triggered by external forces that have been committed. However, when the defense zone is not affected by external forces, it is not. An alarm will be issued. Although this setting improves the sensitivity and accuracy of the alarm to a certain extent, it is easy to become a thief's primary starting target because of its large size and obvious location.
Environmental interference and weak recognition
Today, some wireless alarm devices use the infrared that is released by the human body, or grab microwaves to perform alarms. For such a technology, more defense zones and alarm terminals can be set. Therefore, it has a high level of intelligence and a strong linkage.
However, for devices that recognize infrared, especially through microwaves, how to distinguish between high-heat light or hot air near the sensor, or how to separate human information that is close to the ambient temperature when the weather is overheating is also this The primary problem that class alarm devices have to face.
Therefore, in order to be able to make up for the shortcomings of both infrared and microwave devices, some new devices introduced by manufacturers will use pyroelectric infra-red detection and microwave detection in the same group of detectors, using microwaves that are not blocked and for smoke, light, The insensitivity of temperature changes complements the inadequacies of human pyroelectric infrared detectors. Theoretically speaking, false alarms are virtually eliminated by the composite detection of both units.
However, such perfection may miss others, because the human body's infrared radiation is easily blocked by walls, furniture, plates, and glass. This type of detector will only warn after both devices have warned. Therefore, if a rogue with anti-alarm experience is encountered and entered by means of a baffle cover, it is difficult to completely avoid the occurrence of a missed report.
Peripheral electromagnetic interference
In our current living environment, electromagnetic interference is undoubtedly very serious. Especially in our homes, whether it is the signal of the mobile phone, the signal of the wireless network, or some electromagnetic things released by the furniture electrical appliances, etc., it is filled in our living space. And such an environment will undoubtedly have a very significant impact on the alarm devices of the same high-frequency emission. It is easy to induce false alarms and other phenomena. Therefore, this also greatly affects the accuracy of the alarm equipment.
Through the above analysis, I am afraid that many users have been shocked by a cold sweat. Perhaps too many users did not think that when we proudly use this thing that can turn the “thief†into a group, how can we not think that there are so many times, we may be lost in the middle of the thieves. In fact, we review our security field, which is the pace of development in the field of home security. It is not difficult to find that although our security market is rapidly developing today, many security products and technologies are still lacking because the overall development time is still short. A long run or try. Therefore, many devices also need us to continue to improve in use. This is one of the many stages in the development of many technologies.
And this means that although we already have advanced tools as support, our security awareness is also indispensable to us. After all, there must be sparseness in the face of Baimi, and in the face of the security technology we are growing up, too much. My negligence may ultimately only bring us more regret.
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