CN219953445U - Underground safety warning audible and visual alarm device - Google Patents
Underground safety warning audible and visual alarm device Download PDFInfo
- Publication number
- CN219953445U CN219953445U CN202320651558.0U CN202320651558U CN219953445U CN 219953445 U CN219953445 U CN 219953445U CN 202320651558 U CN202320651558 U CN 202320651558U CN 219953445 U CN219953445 U CN 219953445U
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- audible
- alarm device
- visual alarm
- safety warning
- downhole safety
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- 230000000007 visual effect Effects 0.000 title claims abstract description 36
- 230000010355 oscillation Effects 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 8
- 239000005341 toughened glass Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000725 suspension Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 208000013935 Electric injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Emergency Alarm Devices (AREA)
Abstract
The utility model provides an underground safety warning audible and visual alarm device, which comprises: the device comprises a microwave radar sensing device, a controller and an alarm device; the microwave radar sensing device comprises an oscillation circuit module, an amplifying comparator connected with the oscillation circuit module, a high-frequency tube connected with the amplifying comparator and a differential circuit module connected with the high-frequency tube through signals; the controller comprises a singlechip and a power supply control module which are electrically connected with the differential circuit module; the alarm device comprises an audible and visual alarm device and a power circuit connected with the audible and visual alarm device; the power supply circuit is connected with the power supply control module. The utility model can solve the problems that the underground dangerous area is easily ignored due to underground condition limitation and the warning effect is poor when the image-text nameplate is adopted to warn in the prior art.
Description
Technical Field
The utility model relates to the technical field of underground construction, in particular to an underground safety warning audible and visual alarm device.
Background
Underground mining belongs to the high-risk industry, and has the risks of collapse, explosion, mechanical injury, high-place falling, occupational hazard, vehicle injury, electric injury and the like. In order to avoid personnel approaching a dangerous area underground, a common method is to circle the dangerous area, and place graphic and text signboards at the boundary of the area.
However, due to the underground light problem, people approaching the dangerous area easily ignore the graphic signpost and the graphic signpost are limited by the volume and the underground environment, and pedestrians are hardly attracted, so that the warning effect of the graphic signpost on the people approaching the dangerous area is poor.
Disclosure of Invention
In view of the above problems, the present utility model aims to provide an underground safety warning audible and visual alarm device, so as to solve the problems of easy neglect and poor warning effect due to underground condition limitation when an underground dangerous area is warned by adopting an image-text sign board in the prior art.
The utility model provides an underground safety warning audible and visual alarm device, which comprises: the device comprises a microwave radar sensing device, a controller and an alarm device; the microwave radar sensing device comprises an oscillation circuit module, an amplifying comparator connected with the oscillation circuit module, a high-frequency tube connected with the amplifying comparator and a differential circuit module connected with the high-frequency tube in a signal manner; the controller comprises a singlechip and a power supply control module which are electrically connected with the differential circuit module; the alarm device comprises an audible and visual alarm device and a power circuit connected with the audible and visual alarm device; the power supply circuit is connected with the power supply control module.
Furthermore, it is preferable that the audible and visual alarm device includes a voice alarm device and a flash alarm device.
In addition, the preferred structure is that the voice alarm device is a voice alarm loudspeaker.
In addition, it is preferable that the flashing alarm device includes a flashing member connected to the power supply circuit and a housing provided outside the flashing member.
In addition, the cover is preferably a tempered glass cover.
In addition, a protection net is preferably provided on the outer periphery of the cover.
Furthermore, it is preferable that a protective case is provided at the bottom of the housing; the microwave radar sensing device, the controller and the power supply circuit are all arranged in the protective shell.
Furthermore, it is preferable that the voice alarm device is provided at the bottom of the protective case.
Furthermore, it is preferable that the protective case is a cast aluminum alloy case.
In addition, the preferable structure is that the microwave detection distance of the microwave radar sensing device is 1-10 meters; the microwave detection angle of the microwave radar sensing device is Cheng Zhuixing degrees right in front.
According to the technical scheme, the underground safety warning audible and visual alarm device provided by the utility model is characterized in that the local oscillation frequency generated by the oscillation circuit module is amplified by the amplifying comparator and then used as an electromagnetic wave carrier, the wireless microwave signal is transmitted to the front through the high-frequency tube, when the wireless microwave signal contacts a person approaching a dangerous area, the wireless microwave signal is reflected back and then received by the differential circuit module for phase comparison, the obtained differential signal is transmitted to the singlechip, and the singlechip sends a power control instruction to the power control module, so that the alarm device is started to alarm until the person approaching the dangerous area leaves the dangerous area, and the warning effect on the person is good; the microwave induction range is wide, the reaction is sensitive, and the warning is more timely; the suspension position is high, and the suspension is not easily damaged by walking construction machinery; the voice can be changed according to the use environment, the cyclic utilization rate of the equipment is improved, and the cost is effectively reduced.
Drawings
Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic diagram of an audible and visual alarm for downhole safety warning according to an embodiment of the utility model;
fig. 2 is a schematic diagram of a principle structure according to an embodiment of the present utility model.
In the drawings, a 1-microwave radar sensing device, a 2-controller, a 31-voice alarm device, a 32-flash alarm device, a 321-housing, a 4-protective net and a 5-protective shell.
The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.
Detailed Description
Aiming at the problems that in the prior art, when an image-text sign board is adopted to warn an underground dangerous area, the underground dangerous area is easy to ignore due to underground condition limitation and the warning effect is poor, the underground safety warning audible and visual alarm device is provided.
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
In order to illustrate the underground safety warning audible and visual alarm device provided by the utility model, fig. 1 shows the structure of the underground safety warning audible and visual alarm device according to an embodiment of the utility model; fig. 2 shows a principle structure according to an embodiment of the utility model.
As shown in fig. 1 in combination with fig. 2, the downhole safety warning audible and visual alarm device provided by the utility model includes: the microwave radar sensing device 1, the controller 2 and the alarm device; the microwave radar sensing device comprises an oscillation circuit module, an amplifying comparator connected with the oscillation circuit module, a high-frequency tube connected with the amplifying comparator and a differential circuit module connected with the high-frequency tube in a signal manner; the controller 2 comprises a singlechip and a power supply control module which are electrically connected with the differential circuit module; the alarm device comprises an audible and visual alarm device and a power circuit connected with the audible and visual alarm device; the power supply circuit is connected with the power supply control module.
The high-frequency tube can be widely applied to (VHF/UHF) mobile communication, data transmission, security protection, remote control lines for oscillation, signal amplification, frequency multiplication and the like, and can also be directly replaced by an antenna, and the wireless microwave signal is transmitted after the local oscillation frequency generated by the oscillation circuit module is amplified. The local oscillation frequency generated by the oscillation circuit module is generally 5.8GHz + -75 MHz. The transmitted wireless microwave signals are reflected by surrounding objects and then are subjected to phase comparison with original transmitted local oscillation frequency of 5.8GHz +/-75 MHz by a differential circuit module, and the obtained differential signals are used as basic signals of self-detection (surrounding environment detection). When moving objects appear around, the reflected electromagnetic wave is different from the basic signal in self-checking after being analyzed by the circuit, the signal is used as the basis of the trigger signal, a starting command is sent, and the power supply driving system immediately starts to switch.
The local oscillation frequency generated by the oscillation circuit module is amplified by the amplifying comparator and then used as an electromagnetic wave carrier, a wireless microwave signal is transmitted to the right front through the high-frequency tube, when the wireless microwave signal contacts a person approaching a dangerous area, the wireless microwave signal is reflected back and then received by the differential circuit module for phase comparison, the obtained differential signal is transmitted to the singlechip, and the singlechip sends a power control instruction to the power control module, so that the alarm device is started to alarm until the person approaching the dangerous area leaves the dangerous area, and the alarm effect on the person is good; the microwave induction range is wide, the reaction is sensitive, and the warning is more timely; the suspension position is high, and the suspension is not easily damaged by walking construction machinery; the voice can be changed according to the use environment, the cyclic utilization rate of the equipment is improved, and the cost is effectively reduced.
As a preferred embodiment of the present utility model, the audible and visual alarm device includes a voice alarm device 31 and a flash alarm device 32. The alarm voice in the voice alarm device 31 has programmability, and can be recorded as required. The flashing alarm device 32 gives a danger indication by flashing.
As a preferred embodiment of the present utility model, the voice alarm device 31 is a voice alarm horn. And the pre-recorded alarm prompt tone is broadcasted through the voice alarm loudspeaker, so that the alarm sound range is enlarged.
As a preferred embodiment of the present utility model, the flash alarm device 32 includes a flash connected to a power circuit and a housing 321 provided outside the flash. The flashing member, which may be a bulb, is protected by a cover 321.
As a preferred embodiment of the present utility model, the outer cover 321 is a tempered glass cover. The toughened glass cover is firm and durable, and has good protection effect on the flashing part under the condition of severe underground use environment.
As a preferable aspect of the present utility model, a protection net 4 is provided on the outer periphery of the cover 321. The protection net is preferably formed by die casting steel with the diameter of 3.5mm, has stronger impact resistance and can effectively prevent collision.
As a preferable aspect of the present utility model, a protective case 5 is provided at the bottom of the outer cover 4; the microwave radar sensing device 1, the controller 2 and the power supply circuit are all disposed inside the protective case 5. The microwave radar sensing device 1, the controller 2 and the power circuit sensitive device are protected.
As a preferred embodiment of the present utility model, the voice alarm device 31 is provided at the bottom of the protective case 5. The power supply circuit in the protective shell 5 is respectively connected with the voice alarm device 31 and the flash alarm device 32; when the microwave radar sensing device 1 senses that a person approaches a dangerous area, sound and flash warning are given at the same time.
As a preferred embodiment of the present utility model, the protective case 5 is a cast aluminum alloy case. Is firm and durable, and is suitable for being used in underground bad environments.
As a preferable scheme of the utility model, the microwave detection distance of the microwave radar sensing device 1 is 1-10 meters; the microwave detection angle of the microwave radar sensing device 1 is Cheng Zhuixing deg. right in front. People approaching the dangerous area can be warned in time.
According to the underground safety warning audible and visual alarm device provided by the utility model, the local oscillation frequency generated by the oscillation circuit module is amplified by the amplifying comparator and then used as an electromagnetic wave carrier, the wireless microwave signal is transmitted to the front through the high-frequency tube, when the wireless microwave signal contacts a person approaching a dangerous area, the wireless microwave signal is reflected back and then received by the differential circuit module for phase comparison, the obtained differential signal is transmitted to the singlechip, and the singlechip sends a power control instruction to the power control module, so that the alarm device is started to alarm until the person approaching the dangerous area leaves the dangerous area, and the warning effect on the person is good; the microwave induction range is wide, the reaction is sensitive, and the warning is more timely; the suspension position is high, and the suspension is not easily damaged by walking construction machinery; the voice can be changed according to the use environment, the cyclic utilization rate of the equipment is improved, and the cost is effectively reduced.
The downhole safety warning audible and visual alarm device according to the present utility model is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the downhole safety warning audible and visual alarm apparatus set forth above without departing from the teachings of the present utility model. Accordingly, the scope of the utility model should be determined from the following claims.
Claims (10)
1. An audible and visual alarm for downhole safety warning, comprising: the device comprises a microwave radar sensing device, a controller and an alarm device; wherein,,
the microwave radar sensing device comprises an oscillation circuit module, an amplifying comparator connected with the oscillation circuit module, a high-frequency tube connected with the amplifying comparator and a differential circuit module connected with the high-frequency tube in a signal manner;
the controller comprises a singlechip and a power supply control module which are electrically connected with the differential circuit module;
the alarm device comprises an audible and visual alarm device and a power circuit connected with the audible and visual alarm device; the power supply circuit is connected with the power supply control module.
2. The downhole safety warning audible and visual alarm according to claim 1, wherein,
the audible and visual alarm device comprises a voice alarm device and a flash alarm device.
3. The downhole safety warning audible and visual alarm according to claim 2, wherein,
the voice alarm device is a voice alarm loudspeaker.
4. The downhole safety warning audible and visual alarm according to claim 2, wherein,
the flash alarm device comprises a flash part connected with the power circuit and a housing arranged outside the flash part.
5. The downhole safety warning audible and visual alarm according to claim 4, wherein,
the outer cover is a toughened glass cover.
6. The downhole safety warning audible and visual alarm according to claim 4, wherein,
and a protective net is arranged on the periphery of the outer cover.
7. The downhole safety warning audible and visual alarm according to claim 4, wherein,
a protective shell is arranged at the bottom of the outer cover;
the microwave radar sensing device, the controller and the power supply circuit are all arranged in the protective shell.
8. The downhole safety warning audible and visual alarm according to claim 7, wherein,
the voice alarm device is arranged at the bottom of the protective shell.
9. The downhole safety warning audible and visual alarm according to claim 7, wherein,
the protection shell is a cast aluminum alloy shell.
10. The downhole safety warning audible and visual alarm according to claim 1, wherein,
the microwave detection distance of the microwave radar sensing device is 1-10 meters;
the microwave detection angle of the microwave radar sensing device is Cheng Zhuixing degrees right in front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320651558.0U CN219953445U (en) | 2023-03-29 | 2023-03-29 | Underground safety warning audible and visual alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320651558.0U CN219953445U (en) | 2023-03-29 | 2023-03-29 | Underground safety warning audible and visual alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953445U true CN219953445U (en) | 2023-11-03 |
Family
ID=88540623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320651558.0U Active CN219953445U (en) | 2023-03-29 | 2023-03-29 | Underground safety warning audible and visual alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953445U (en) |
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2023
- 2023-03-29 CN CN202320651558.0U patent/CN219953445U/en active Active
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