CN219105563U - Alarm system and safety monitoring system - Google Patents
Alarm system and safety monitoring system Download PDFInfo
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- CN219105563U CN219105563U CN202223152763.7U CN202223152763U CN219105563U CN 219105563 U CN219105563 U CN 219105563U CN 202223152763 U CN202223152763 U CN 202223152763U CN 219105563 U CN219105563 U CN 219105563U
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Abstract
The utility model relates to an alarm system and safety monitoring system relates to the electromechanical field, and this alarm system is applied to the power transformation and distribution place, including a plurality of sound monitoring units and audible and visual alarm device, wherein, this a plurality of audible and visual monitoring units distributes and sets up in this power transformation and distribution place, is connected with this audible and visual alarm device. The sound monitoring unit is used for monitoring sound signals in the power transformation and distribution place, and the sound-light alarm device is used for performing sound-light alarm under the condition that the sound signals monitored by the sound monitoring unit are abnormal sound signals. Through increasing this alarm system on personnel's inspection and video monitoring's basis, utilize the monitoring of sound unit to monitor the unusual sound in power transformation and distribution place to under the circumstances that appears unusual sound, utilize this audible and visual alarm device to carry out audible and visual alarm, can in time discover the trouble in power transformation and distribution place through sound monitoring, improve the validity of early warning.
Description
Technical Field
The present disclosure relates to the field of electromechanics, and in particular, to an alarm system and a safety monitoring system.
Background
At present, each substation on and off the coal mine is basically unattended, the scene condition can be monitored through videos, and workers only need to carry out periodic inspection.
However, the faults of the power supply equipment can occur at any time, the faults cannot be found in time by means of regular inspection by inspection personnel, the video monitoring picture can only show the external condition of the switch cabinet from the picture, and the faults such as electric leakage and short circuit inside the switch cabinet cannot be effectively early-warned.
Disclosure of Invention
To overcome the above problems, the present disclosure provides an alarm system and a safety monitoring system.
According to a first aspect of embodiments of the present disclosure, there is provided an alarm system applied to a power transformation and distribution place, the alarm system including: the system comprises a plurality of sound monitoring units and an audible and visual alarm device, wherein the sound monitoring units are distributed in the power transformation and distribution place and are connected with the audible and visual alarm device;
the sound monitoring unit is used for monitoring sound signals in the power transformation and distribution places;
the audible and visual alarm device is used for performing audible and visual alarm under the condition that the sound signal detected by the sound monitoring unit is an abnormal sound signal.
Optionally, the number of the plurality of sound monitoring units is a set value, and a sound monitoring unit array is formed for locating an abnormal sound source.
Optionally, the audible and visual alarm device is connected with the safety platform;
the audible and visual alarm device is also used for sending audible and visual alarm information to the safety platform so that the safety platform can display the audible and visual alarm information sent by the audible and visual alarm device.
Optionally, the sound monitoring unit includes a voice-controlled relay switch control module:
the sound monitoring unit is used for converting the collected sound signals into electric signals by utilizing the sound control relay switch control module and sending the electric signals to the sound-light alarm device.
Optionally, the sound monitoring unit is a pickup for an explosion proof speakerphone in a mine.
Optionally, the audible and visual alarm device is a voice-amplifying telephone with a voice module inside, and the voice module is preset with alarm voice content.
Optionally, the sound signal is an abnormal sound signal in case that the volume of the sound signal is larger than a set threshold value and/or the waveform of the sound signal matches a set abnormal sound waveform.
Optionally, one or more switch cabinets are arranged in the power transformation and distribution place, and the audible and visual alarm device is further used for:
and when the sound signal is an abnormal sound signal, sending an instruction to the switch cabinet, wherein the instruction is used for controlling the switch cabinet to execute automatic switching-off operation.
According to a second aspect of embodiments of the present disclosure, there is provided a safety monitoring system for use in a power transformation and distribution site, the safety monitoring system comprising: a power supply, an alarm system as in any one of the first aspects above;
the power supply is connected with a plurality of sound monitoring units in the alarm system and is used for supplying power to the sound monitoring units.
Optionally, the safety monitoring system further comprises: the safety platform is connected with an audible and visual alarm device of the alarm system;
the safety platform is used for receiving the audible and visual alarm information sent by the audible and visual alarm device and displaying the audible and visual alarm information.
In the above technical scheme, an alarm system is provided, and is applied to a power transformation and distribution place, and the alarm system comprises a plurality of sound monitoring units and sound and light alarm devices, wherein the sound and light monitoring units are distributed in the power transformation and distribution place and are connected with the sound and light alarm devices. The sound monitoring unit is used for monitoring sound signals in the power transformation and distribution place, and the sound-light alarm device is used for performing sound-light alarm under the condition that the sound signals monitored by the sound monitoring unit are abnormal sound signals. Through increasing this alarm system on personnel's inspection and video monitoring's basis, utilize the monitoring of sound unit to monitor the unusual sound in power transformation and distribution place to under the circumstances that appears unusual sound, utilize this audible and visual alarm device to carry out audible and visual alarm, can in time discover the trouble in power transformation and distribution place through sound monitoring, improve the validity of early warning.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a schematic diagram of an alarm system, according to an exemplary embodiment.
Fig. 2 is a schematic diagram of a 10kV distribution room of a 35kV substation in an industrial site, according to an example embodiment.
Fig. 3 is a schematic diagram of an industrial site 35kV substation 35kV distribution room, according to an example embodiment.
FIG. 4 is a schematic diagram of a security monitoring system, according to an example embodiment.
Fig. 5 is a schematic diagram of a security monitoring system, according to an example embodiment.
Fig. 6 is a schematic diagram of a security monitoring system shown according to another exemplary embodiment.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
The applicant finds that in the related technology, the power transformation and distribution places are basically unattended through the cooperation of regular inspection and video monitoring, but faults of power supply equipment can occur at any time, such as electric leakage, short circuit and other faults of electrical equipment, such as a switch cabinet, and the like, and video monitoring pictures only can show the external condition of the switch cabinet, so that effective early warning of the faults cannot be performed at the moment.
The present disclosure provides an alarm system to solve the above-mentioned problems.
Fig. 1 is a schematic diagram of an alarm system 200 for use in a power distribution and transformation venue, the alarm system 200 comprising: the system comprises a plurality of sound monitoring units 210 and an audible and visual alarm device 220, wherein the sound monitoring units 210 are distributed in the power transformation and distribution place, and the sound monitoring units 210 are connected with the audible and visual alarm device 220;
the sound monitoring unit 210 is configured to monitor a sound signal in the power transformation and distribution site;
the audible and visual alarm device 220 is configured to perform audible and visual alarm when the audible signal monitored by the audible monitoring unit 210 is an abnormal audible signal.
It is understood that the sound signal is an abnormal sound signal in the case where the volume of the sound signal is greater than a set threshold value and/or the waveform of the sound signal matches a set abnormal sound waveform.
Illustratively, the audible and visual alarm 220 alarms when the audible monitoring unit 210 monitors that the decibels of the electrical room are greater than a preset decibel threshold.
In another possible implementation, the sound monitoring unit 210 determines the sound signal according to the sound waveform, for example, obtains the amplitude difference of the sound waveform curve at the same position of the horizontal axis, averages or calculates the variance of the amplitude differences at the plurality of positions, and compares the average value with a preset threshold to determine whether the sound signal is an abnormal sound signal. Or, the amplitude difference is directly compared with a threshold value, and whether the number of times greater than the threshold value reaches a certain number is judged to determine whether the sound signal is an abnormal sound signal.
Alternatively, the sound monitoring unit 210 may be a pickup for an explosion proof speakerphone downhole.
Illustratively, the sound monitoring unit 210 may be a sound pickup of an explosion-proof speakerphone, which has high sensitivity, may collect sound signals in a range around, and may monitor sound in a range of 20-90 db; alternatively, the sound monitoring unit 210 may be a sound sensor for converting a sound signal into an electrical signal, which corresponds to decibels of sound.
Optionally, the sound monitoring unit 210 includes a sound control relay switch control module, and the sound monitoring unit 210 is configured to convert the collected sound signal into an electrical signal by using the sound control relay switch control module, and send the electrical signal to the audible and visual alarm 220.
The voice controlled relay switch control module may be, for example, a relay for a distribution room of a substation, and may convert an acoustic signal into an electrical signal and output the electrical signal for transmission to the audible and visual alarm 220.
It will be appreciated that the number of the sound monitoring units 210 may be set according to the actual situation of the power transformation and distribution site, for example, 20 switch cabinets may be placed in the underground power distribution room, and one sound monitoring unit 210 may be disposed in every 5 groups of cabinets. Fig. 2 is a schematic diagram of a 10kV distribution room of a 35kV substation in an industrial field, where a plurality of switch cabinets are configured in the 10kV distribution room of the 35kV substation, and are connected through a bridge frame, as shown in fig. 2, according to an exemplary embodiment. Around the plurality of switch cabinets, 4 sound monitoring units 210 are provided, distributed at four corner positions of the power distribution room.
In another possible embodiment, the number and the location of the sound monitoring units 210 may be different, for example, fig. 3 is a schematic diagram of a 35kV distribution room of a 35kV substation in an industrial site according to an exemplary embodiment, as shown in fig. 3, in the 35kV distribution room of the 35kV substation, the number of the switch cabinets is less than that in the 10kV distribution room, and the switch cabinets are located near the same side wall surface, so that in the distribution room, 3 sound monitoring units 210 are disposed, the locations are disposed at the same side of the switch cabinets, and the spacing distance between the 3 sound monitoring units 210 may be the same.
Optionally, the audible and visual alarm 220 is connected to the safety platform, and is configured to send audible and visual alarm information to the safety platform, so that the safety platform displays the audible and visual alarm information sent by the audible and visual alarm 220.
For example, the audible and visual alarm 220 may be disposed in both a power substation downhole and a centralized control room on the ground, where the audible and visual alarm 220 is connected to a safety platform and may send audible and visual alarm information to the safety platform.
Optionally, the audible and visual alarm device may be a voice-amplifying telephone with a voice module, where the voice module is preset with alarm voice content.
For example, the audible and visual alarm 220 may be modified by using a recovered voice-over-tape telephone, and a voice module is preset inside to record the alarm voice content in advance. For example, the recovered voice module and the recovered loudspeaker in the Huaning sound amplifying telephone are used for reconstruction, and the alarm voice content of "abnormal switch cabinet" is recorded. An alarm lamp is connected to the public address telephone for giving out an alarm and giving out a light alarm. The audible and visual alarm device 220 may also utilize a buzzer, a speaker, etc. to perform audible alarm, and an LED screen to perform light alarm, which is not limited in this disclosure.
Optionally, one or more switch cabinets are disposed in the power transformation and distribution place, and the audible and visual alarm device 220 is further configured to:
and when the sound signal is an abnormal sound signal, sending an instruction to the switch cabinet, wherein the instruction is used for controlling the switch cabinet to execute automatic opening operation.
It can be understood that the power line is normally closed and opened by a switch cabinet in a place such as a substation, so that the electric power system can be protected. In the use process of the switch cabinet, the switch-off operation needs to be performed through the button and the gate, and the audible and visual alarm device 220 can send a control instruction to the switch cabinet under the condition that the sound signal is an abnormal sound signal, so as to control the switch cabinet to perform automatic switch-off, and further ensure the safe operation of the substation.
In the above technical scheme, an alarm system is provided, and is applied to a power transformation and distribution place, and the alarm system comprises a plurality of sound monitoring units and sound and light alarm devices, wherein the sound and light monitoring units are distributed in the power transformation and distribution place and are connected with the sound and light alarm devices. The sound monitoring unit is used for monitoring sound signals in the power transformation and distribution place, and the sound-light alarm device is used for performing sound-light alarm under the condition that the sound signals monitored by the sound monitoring unit are abnormal sound signals. Through increasing this alarm system on personnel's inspection and video monitoring's basis, utilize the monitoring of sound unit to monitor the unusual sound in power transformation and distribution place to under the circumstances that appears unusual sound, utilize this audible and visual alarm device to carry out audible and visual alarm, can in time discover the trouble in power transformation and distribution place through sound monitoring, improve the validity of early warning.
Fig. 4 is a schematic diagram of a security monitoring system 400 for use in a power distribution and transformation venue, according to an exemplary embodiment, the security monitoring system 400 comprising: a power supply 410, a security platform 420, and the alarm system 200 shown in fig. 1.
The power supply 410 is connected to the plurality of sound monitoring units 210 in the alarm system 200 for supplying power to the plurality of sound monitoring units 210.
Illustratively, the power supply 410 may use KDW A-18 mining and intrinsically safe uninterruptible power supply boxes, which may operate continuously for 3-5 hours under powered-off conditions.
The safety platform 420 is connected to the audible and visual alarm 220 of the alarm system 200, and is configured to receive audible and visual alarm information sent by the audible and visual alarm 220 and display the audible and visual alarm information.
Fig. 5 is a schematic diagram of a safety monitoring system according to an exemplary embodiment, as shown in fig. 5, in a 35kV distribution room of a 35kV substation, 3 sound monitoring units 210 and 1 sound-light alarm device 220 are disposed, where the 3 sound monitoring units 210 are located on the same side of a switch cabinet and are spaced apart by the same distance. The 3 sound monitoring units 210 are connected to the audible and visual alarm 220. A safety platform 420 is arranged in the ground centralized control room, and the safety platform 420 is connected with an audible and visual alarm 220 in a 35kV power distribution room of the 35kV transformer substation.
In a possible implementation manner, when a cable head in a certain switch cabinet in a 35kV distribution room of the 35kV transformer substation is exploded, the sound monitoring unit 210 can monitor abnormal sound emitted by the switch cabinet in real time, convert the abnormal sound signal into an electrical signal through the relay module and send the electrical signal to the audible and visual alarm device 220, and after the audible and visual alarm device 220 receives the electrical signal, an audible and visual alarm can be sent out, wherein the audible alarm signal can be sent out through a loudspeaker of a Hua Ning amplified telephone, the audible alarm content can be "abnormal switch cabinet", and the light alarm signal can be sent out through a yellow alarm lamp commonly used by the transformer substation. Meanwhile, the alarm signal is sent to the safety platform 420 of the ground centralized control room, the safety platform 420 can instantly pop windows on the operation interface of the display screen, text contents in the pop windows can be sound action of a 35kV distribution room of a 35kV transformer substation, people are immediately confirmed or dispatched to check detailed information, and meanwhile, the safety platform 420 can also remind in a mode of broadcasting the text contents through voice.
In another possible implementation manner, the sound and light alarm device 220 may be disposed in both the underground distribution room and the ground centralized control room, and fig. 6 is a schematic diagram of a safety monitoring system according to another exemplary embodiment, and as shown in fig. 6, in a 35kV distribution room of a 35kV substation, 3 sound monitoring units 210 and 1 sound and light alarm device 220 are disposed, where the 3 sound monitoring units 210 are located on the same side of the switchgear cabinet and are spaced apart from each other by the same distance. The 3 sound monitoring units 210 are connected to the audible and visual alarm 220. An audible and visual alarm 220 and a safety platform 420 are arranged in the ground centralized control room, and the safety platform 420 is connected with the audible and visual alarm 220 in the ground centralized control room.
When the sound monitoring unit 210 monitors an abnormal signal, an electrical signal can be sent to the sound-light alarm device in the distribution room and the ground centralized control room at the same time, so that the sound-light alarm device 220 can perform sound-light alarm. The ground centralized control room is provided with an audible and visual alarm device, and when a worker is not in front of the display screen of the safety platform 420, an alarm signal can be prompted through audible and visual alarm, so that the alarm response efficiency is improved.
Optionally, the number of the plurality of sound monitoring units is a set value, and an array of sound monitoring units is formed for locating an abnormal sound source. For example, when there are a sufficient number of sound monitoring units 210 disposed in the distribution room, an array of sound monitoring units may be formed, which may enable localization of the source of the abnormal sound based on a sound source direction finding algorithm, such as a TDOA (Time Difference of Arrival ) algorithm, so that the location or range of locations where the abnormal sound is transmitted to the security platform 420 may be implemented. Illustratively, the audible and visual alarm 220 may include a processor coupled to the audible monitoring unit 210 for receiving a plurality of audible signals. The processor may use the TDOA-based sound source direction finding technique described above to locate the location of the abnormal sound.
In the above technical scheme, an alarm system is provided, and is applied to a power transformation and distribution place, and the alarm system comprises a plurality of sound monitoring units and sound and light alarm devices, wherein the sound and light monitoring units are distributed in the power transformation and distribution place and are connected with the sound and light alarm devices. The sound monitoring unit is used for monitoring sound signals in the power transformation and distribution place, and the sound-light alarm device is used for performing sound-light alarm under the condition that the sound signals monitored by the sound monitoring unit are abnormal sound signals. Through increasing this alarm system on personnel's inspection and video monitoring's basis, utilize the monitoring of sound unit to monitor the unusual sound in power transformation and distribution place to under the circumstances that appears unusual sound, utilize this audible and visual alarm device to carry out audible and visual alarm, can in time discover the trouble in power transformation and distribution place through sound monitoring, improve the validity of early warning.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. An alarm system for use in a power transformation and distribution location, the alarm system comprising: the system comprises a plurality of sound monitoring units and an audible and visual alarm device, wherein the sound monitoring units are distributed in the power transformation and distribution place and are connected with the audible and visual alarm device;
the sound monitoring unit is used for monitoring sound signals in the power transformation and distribution places;
the audible and visual alarm device is used for performing audible and visual alarm under the condition that the sound signal monitored by the sound monitoring unit is an abnormal sound signal.
2. The alarm system of claim 1, wherein the number of the plurality of sound monitoring units is a set value, forming an array of sound monitoring units for locating an abnormal sound source.
3. The alarm system of claim 1, wherein the audible and visual alarm is coupled to a safety platform;
the audible and visual alarm device is also used for sending audible and visual alarm information to the safety platform so that the safety platform can display the audible and visual alarm information sent by the audible and visual alarm device.
4. The alarm system of claim 1, wherein the sound monitoring unit comprises a voice-controlled relay switch control module;
the sound monitoring unit is used for converting the collected sound signals into electric signals by utilizing the sound control relay switch control module and sending the electric signals to the sound-light alarm device.
5. The alarm system of claim 4, wherein the sound monitoring unit is a pickup for an explosion proof speakerphone downhole.
6. The alarm system according to claim 1, wherein the audible and visual alarm device is a voice-amplifying telephone having a voice module provided therein, and the voice module is provided with alarm voice contents.
7. The alarm system according to any one of claims 1-6, wherein the sound signal is an abnormal sound signal in case the volume of the sound signal is larger than a set threshold value and/or the waveform of the sound signal matches a set abnormal sound waveform.
8. The alarm system according to any one of claims 1-6, wherein one or more switch cabinets are provided in the power transformation and distribution site, the audible and visual alarm device being further configured to:
and when the sound signal is an abnormal sound signal, sending an instruction to the switch cabinet, wherein the instruction is used for controlling the switch cabinet to execute automatic switching-off operation.
9. A safety monitoring system for use in a power transformation and distribution facility, the safety monitoring system comprising: a power supply, an alarm system as claimed in any one of claims 1 to 8;
the power supply is connected with a plurality of sound monitoring units in the alarm system and is used for supplying power to the sound monitoring units.
10. The safety monitoring system of claim 9, further comprising: the safety platform is connected with an audible and visual alarm device of the alarm system;
the safety platform is used for receiving the audible and visual alarm information sent by the audible and visual alarm device and displaying the audible and visual alarm information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223152763.7U CN219105563U (en) | 2022-11-25 | 2022-11-25 | Alarm system and safety monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223152763.7U CN219105563U (en) | 2022-11-25 | 2022-11-25 | Alarm system and safety monitoring system |
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| CN219105563U true CN219105563U (en) | 2023-05-30 |
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| CN202223152763.7U Active CN219105563U (en) | 2022-11-25 | 2022-11-25 | Alarm system and safety monitoring system |
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