CN114882677A - Intelligent alarm device based on Internet of things - Google Patents
Intelligent alarm device based on Internet of things Download PDFInfo
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- CN114882677A CN114882677A CN202210665783.XA CN202210665783A CN114882677A CN 114882677 A CN114882677 A CN 114882677A CN 202210665783 A CN202210665783 A CN 202210665783A CN 114882677 A CN114882677 A CN 114882677A
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- negative pressure
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- internet
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- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000009466 transformation Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 36
- 230000002265 prevention Effects 0.000 claims description 7
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000010902 straw Substances 0.000 claims 2
- 238000004880 explosion Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000003345 natural gas Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention provides an intelligent alarm device based on the Internet of things, which comprises an alarm, an exhaust fan, a pressure gauge and a gas sensor, wherein the exhaust fan, the pressure gauge and the gas sensor are connected with the alarm through the Internet of things; the alarm comprises a bottom plate installed on a wall surface, a shell connected with the surface of one side, far away from the wall surface, of the bottom plate, a voltage transformation circuit board and a detection circuit board, wherein the voltage transformation circuit board and the detection circuit board are arranged inside the shell and are sequentially arranged from top to bottom, a first anti-creeping assembly is connected to the outside of the voltage transformation circuit board, a second anti-creeping assembly is connected to the outside of the circuit board, and the first anti-creeping assembly and the second anti-creeping assembly are identical in structure. The invention reduces the current leakage from the connection of the transformer circuit board and the detection circuit board and the wires to the atmosphere environment, thereby preventing the explosion phenomenon caused by the spark generated by the wires on the wires.
Description
Technical Field
The invention relates to the technical field of alarm devices of the Internet of things, in particular to an intelligent alarm device based on the Internet of things.
Background
The internet of things is a technology for connecting any object with a network through information sensing equipment according to an agreed protocol.
According to the high-safety gas alarm device provided by the patent document with the application number of CN202120361202.4, the high-safety gas alarm device comprises a gas alarm body, a first U-shaped frame, a filter screen, a second U-shaped frame and a positioning bolt, wherein the front end and the rear end of two sides of the top of the gas alarm body are respectively provided with an air inlet, the upper end and the lower end of the air inlet above the front end face and the rear end face of the gas alarm body are respectively provided with a positioning hole, one opposite side of the first U-shaped frame and the second U-shaped frame is respectively fixed with the upper end and the lower end of the filter screen, the first U-shaped frame, the filter screen and the second U-shaped frame are in a group, the two groups of the first U-shaped frame, the filter screen and the second U-shaped frame are respectively clamped on two sides above the gas alarm body, the through holes formed in the front end and the rear end of the first U-shaped frame correspond to the positioning holes, and the positioning bolt penetrates through the through holes to be inserted into the positioning holes. The utility model discloses a have and set up the filter screen in inlet port department, the separation putty enters into the inside advantage of gas alarm body. The alarm device has the advantages that the filter screen is arranged at the air inlet, and putty is prevented from entering the interior of the gas alarm body.
However, the conventional alarm device often faces the situation that an electric appliance is still needed under the condition that gas circulates indoors, so that the gas is easily contacted with sparks, and the potential safety hazard of explosion is generated.
Disclosure of Invention
Based on this, the invention aims to provide an intelligent alarm device based on the internet of things to solve the technical problems in the background technology.
The invention provides an intelligent alarm device based on the Internet of things, which comprises an alarm, an exhaust fan, a pressure gauge and a gas sensor, wherein the exhaust fan, the pressure gauge and the gas sensor are connected with the alarm through the Internet of things;
the alarm comprises a bottom plate arranged on a wall surface, a shell connected with the surface of one side, away from the wall surface, of the bottom plate, and a transformation circuit board and a detection circuit board which are arranged in the shell and sequentially arranged from top to bottom, wherein a first anti-creeping assembly is connected to the outside of the transformation circuit board, a second anti-creeping assembly is connected to the outside of the circuit board, and the first anti-creeping assembly and the second anti-creeping assembly are identical in structure;
the first anticreep subassembly is including locating vary voltage circuit board both sides, and install in guide post on the bottom plate casing to and wear to locate two sealed cowlings on the guide post, the end of giving vent to anger of sealed cowling with exhaust fan's inlet end is connected.
Furthermore, the first anti-creeping assembly further comprises a stop sheet arranged on the outer surface of one end of the guide post and a spring sleeved on the outer surface of the guide post, wherein the spring is positioned between the stop sheet and one side surface of the sealing cover.
Furthermore, the first anti-creeping assembly further comprises a threaded sleeve which is arranged inside the sealing cover and is used for the guide column to penetrate through, and rubber pads are arranged on the threaded sleeve and one side surface of the sealing cover.
Furthermore, one side surface of the exhaust fan far away from the wall is provided with a negative pressure assembly, the exhaust fan is connected with the sealing cover through the negative pressure assembly, the negative pressure assembly comprises a baffle arranged on one side surface of the exhaust fan far away from the wall and a negative pressure suction pipe arranged on the baffle shell, one end of the negative pressure suction pipe far away from the baffle extends into the alarm and is connected with the sealing cover, in the invention, negative pressure is generated in the sealing cover inside the alarm through the negative pressure suction pipe, so that the sealing cover is adsorbed on the bottom plate, and the current leaked at the connection part of the transformer circuit board and the detection circuit board and the electric wire is reduced to be dissipated into the atmospheric environment.
Furthermore, a buzzer is inserted in the shell of the shell and connected with the detection circuit board through an electric wire.
Further, a third anti-leakage component connected with the buzzer is arranged inside the shell, the third anti-leakage component is the same as the first anti-leakage component and the second anti-leakage component in structure, and in the invention, the current leakage between the buzzer and the electric wire is prevented through the third anti-leakage component.
Furthermore, one side surface mounting of the sealed cowling in the third electricity leakage prevention component has first negative pressure pipe, the outside cover of one end of first negative pressure pipe is equipped with the second negative pressure pipe, the second negative pressure pipe install in the surface of the sealed cowling in the second electricity leakage prevention component.
Further, the first negative pressure pipe is conical, and the first negative pressure pipe is matched with the inner cavity of the second negative pressure pipe.
Furthermore, the first negative pressure pipe and the second negative pressure pipe are both made of rubber, and in the invention, the first negative pressure pipe and the second negative pressure pipe are more tightly connected through the elasticity of the first negative pressure pipe and the second negative pressure pipe.
Furthermore, a warning lamp, a single chip microcomputer and a catalytic combustion sensor are mounted on the surface of one side of the detection circuit board.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention can be combined with the Internet of things, thereby fully monitoring the indoor environment and making a timely response, and specifically comprises the following steps: when the catalytic combustion sensor in the gas sensor or the alarm monitors that the content of natural gas in the environment exceeds a threshold value and the pressure gauge detects that the pressure in the gas pipeline does not conform to a set interval, an electric signal with the information is transmitted to the detection circuit board in the gas sensor through the Internet of things, so that the exhaust fan which is in the Internet of things is controlled to work through the single chip microcomputer on the detection circuit board, the natural gas in a room is discharged, and meanwhile, a buzzer in the alarm starts to give an alarm.
Secondly, the negative pressure suction pipe enables negative pressure to be generated in the sealing cover inside the alarm, so that the sealing cover is adsorbed on the bottom plate, and current leakage at the connection part of the voltage transformation circuit board and the detection circuit board and the electric wire is reduced to be dissipated to the atmospheric environment.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention as set forth above.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the alarm of the present invention;
FIG. 3 is a schematic view of a first anti-creeping assembly according to the present invention;
FIG. 4 is a schematic structural view of the sealing boot of the present invention;
FIG. 5 is a schematic view of an exhaust fan according to the present invention;
FIG. 6 is a schematic structural view of the housing of the present invention;
FIG. 7 is a schematic view of a third anti-leakage device according to the present invention;
FIG. 8 is a schematic view of the present invention.
In the figure: 10. an alarm; 11. a base plate; 12. a housing; 13. transforming the circuit board; 14. detecting the circuit board; 141. a warning light; 142. a single chip microcomputer; 143. a catalytic combustion sensor; 15. a first anti-creeping assembly; 151. a guide post; 152. a sealing cover; 153. a termination sheet; 154. a spring; 155. a rubber pad; 156. a threaded sleeve; 16. a second anti-creeping assembly; 17. a third leakage prevention component; 171. a first negative pressure tube; 172. a second negative pressure tube; 20. an exhaust fan; 21. a negative pressure assembly; 211. a baffle plate; 212. a negative pressure suction pipe; 30. a pressure gauge; 40. a gas sensor.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 8, the invention provides an intelligent alarm device based on the internet of things, which comprises an alarm 10, an exhaust fan 20 connected with the alarm 10 through the internet of things, a pressure gauge 30 and a gas sensor 40, wherein the exhaust fan 20 is used for being mounted on a wall, the pressure gauge 30 is used for being mounted on the outer surface of a gas pipeline, and the gas sensor 40 is used for being mounted on a ceiling;
the alarm 10 comprises a bottom plate 11 installed on a wall surface, a shell 12 connected with one side surface of the bottom plate 11 far away from the wall surface, and a voltage transformation circuit board 13 and a detection circuit board 14 which are arranged inside the shell 12 and are sequentially arranged from top to bottom;
the transformer circuit board 13 is externally connected with a first anti-leakage assembly 15, the circuit board 14 is externally connected with a second anti-leakage assembly 16, and the first anti-leakage assembly 15 and the second anti-leakage assembly 16 have the same structure;
the first anticreep subassembly 15 is including locating vary voltage circuit board 13 both sides, and install in guide post 151 on the bottom plate 11 casing to and wear to locate two sealed cowls 152 on the guide post 151, the end of giving vent to anger of sealed cowls 152 with exhaust fan 20's inlet end is connected.
Specifically, referring to fig. 3 and 4, the first anti-creeping assembly 15 further includes a stopping piece 153 installed on an outer surface of one end of the guiding column 151, and a spring 154 sleeved on the outer surface of the guiding column 151, wherein the spring 154 is located between the stopping piece 153 and a side surface of the sealing cover 152;
the first anti-creeping assembly 15 further includes a threaded sleeve 156 installed inside the sealing cap 152 and through which the guide post 151 is inserted, and rubber pads 155 are installed on one side surfaces of the threaded sleeve 156 and the sealing cap 152;
the surface of one side, far away from the wall, of the exhaust fan 20 is provided with a negative pressure assembly 21, the exhaust fan 20 is connected with the sealing cover 152 through the negative pressure assembly 21, the negative pressure assembly 21 comprises a baffle 211 installed on the surface of one side, far away from the wall, of the exhaust fan 20 and a negative pressure suction pipe 212 installed on the shell of the baffle 211, and one end, far away from the baffle 211, of the negative pressure suction pipe 212 extends to the inside of the alarm 10 and is connected with the sealing cover 152;
a buzzer 121 is inserted into the shell of the shell 12, and the buzzer 121 is connected with the detection circuit board 14 through an electric wire;
it should be noted that, in the present embodiment, the stop sheet 153 provides support for the spring 154, and the energy is stored by the spring 154 to push the sealing cover 152 to press against the bottom plate 11;
further, when the sealing cover 152 is pressed on the bottom plate 11, the sealing cover 152 drives the threaded sleeve 156 to be pressed on the bottom plate 11, so that the current in the sealing cover 152 is reduced to flow into the outside along the gap between the guide post 151 and the bottom plate 11;
furthermore, a negative pressure suction pipe 212 is used for generating negative pressure in the sealing cover 152 in the alarm 10, so that the sealing cover 152 is adsorbed on the bottom plate 11, current leakage from the connection between the transformer circuit board 13 and the detection circuit board 14 and the electric wire is reduced to be dissipated to the atmospheric environment, and the baffle 211 is used for limiting the air flow introduced by the exhaust fan 20 from the atmospheric environment, thereby improving the capability of the exhaust fan 20 for guiding the negative pressure suction pipe 212 to generate negative pressure;
the negative pressure suction pipe 212 is directly connected with a vacuum pump, so that the stability of negative pressure generated inside the negative pressure suction pipe 212 is further improved;
further, an alarm is given through a buzzer 121 connected with the detection circuit board 14 to remind nearby people to take countermeasures quickly.
Specifically, referring to fig. 3 and 6, a third anti-leakage component 17 connected to the buzzer 121 is disposed inside the housing 12, and the third anti-leakage component 17 has the same structure as the first anti-leakage component 15 and the second anti-leakage component 16;
a first negative pressure pipe 171 is installed on one side surface of the sealing cover 152 in the third electric leakage prevention component 17, a second negative pressure pipe 172 is sleeved outside one end of the first negative pressure pipe 171, and the second negative pressure pipe 172 is installed on the outer surface of the sealing cover 152 in the second electric leakage prevention component 16;
the first negative pressure tube 171 is conical, the inner cavities of the first negative pressure tube 171 and the second negative pressure tube 172 are fitted, and the first negative pressure tube 171 and the second negative pressure tube 172 are made of rubber;
and a warning lamp 141, a singlechip 142 and a catalytic combustion sensor 143 are arranged on the surface of one side of the detection circuit board 14. Note that, in the present embodiment, the third anticreeping assembly 17 prevents the current leakage between the buzzer 121 and the electric wire;
further, by inserting the first negative pressure tube 171 into the second negative pressure tube 172, since the first negative pressure tube 171 is mounted on the sealing cover 152 in the third leakage preventing member 17 and the second negative pressure tube 172 is mounted on the sealing cover 152 in the second leakage preventing member 16, so that the two sealing covers 152 are connected, when a negative pressure is generated in one of the sealing covers 152, a negative pressure is also generated in the other sealing cover 152;
further, the first negative pressure tube 171 has a tapered shape, so that the connection between the first negative pressure tube 171 and the second negative pressure tube 172 becomes tighter as the first negative pressure tube 171 is inserted into the inner cavity of the second negative pressure tube 172;
further, the first negative pressure tube 171 and the second negative pressure tube 172 are more tightly connected by their elasticity, so that the first negative pressure tube 171 and the second negative pressure tube 172 are more tightly connected.
The specific operation mode of the invention is as follows:
when the gas sensor 40 or the catalytic combustion sensor 143 in the alarm 10 monitors that the natural gas content in the environment exceeds a threshold value and the pressure gauge 30 detects that the pressure in the gas pipeline does not conform to a set interval, an electric signal with the information is transmitted to the detection circuit board 14 in the gas sensor 40 through the internet of things, the single chip microcomputer 142 on the detection circuit board 14 controls the exhaust fan 20 in the internet of things to work so as to exhaust the natural gas in the room, and meanwhile, the buzzer 121 in the alarm 10 starts alarming;
when the exhaust fan 20 exhausts the indoor natural gas, the negative pressure suction pipe 212 generates a negative pressure in the sealing cover 152 inside the alarm 10, so that the sealing cover 152 is adsorbed on the bottom plate 11, and the current leakage at the connection between the transformer circuit board 13 and the detection circuit board 14 and the electric wire is reduced and dissipated to the atmosphere.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The intelligent alarm device based on the Internet of things is characterized by comprising an alarm (10), an exhaust fan (20), a pressure gauge (30) and a gas sensor (40), wherein the exhaust fan (20), the pressure gauge (30) and the gas sensor (40) are connected with the alarm (10) through the Internet of things, the exhaust fan (20) is used for being installed on a wall, the pressure gauge (30) is used for being installed on the outer surface of a gas pipeline, and the gas sensor (40) is used for being installed on a ceiling;
the alarm (10) comprises a bottom plate (11) installed on a wall surface, a shell (12) connected with the surface of one side, far away from the wall surface, of the bottom plate (11), and a transformation circuit board (13) and a detection circuit board (14) which are arranged inside the shell (12) and are sequentially arranged from top to bottom, wherein a first anti-creeping assembly (15) is connected to the outside of the transformation circuit board (13), a second anti-creeping assembly (16) is connected to the outside of the circuit board (14), and the first anti-creeping assembly (15) and the second anti-creeping assembly (16) are identical in structure;
the first anticreep subassembly (15) is including locating vary voltage circuit board (13) both sides and install in guide post (151) on bottom plate (11) casing to and wear to locate two sealed cowling (152) on guide post (151), the end of giving vent to anger of sealed cowling (152) with the inlet end of exhaust fan (20) is connected.
2. The intelligent alarm device based on the internet of things of claim 1, wherein the first anti-creeping assembly (15) further comprises a terminating sheet (153) mounted on an outer surface of one end of the guide post (151), and a spring (154) sleeved on the outer surface of the guide post (151), wherein the spring (154) is located between the terminating sheet (153) and a side surface of the sealing cover (152).
3. The intelligent alarm device based on the internet of things of claim 1, wherein the first anti-creeping assembly (15) further comprises a threaded sleeve (156) installed inside the sealing cover (152) and used for the guide column (151) to penetrate through, and rubber pads (155) are installed on one side surfaces of the threaded sleeve (156) and the sealing cover (152).
4. The intelligent alarm device based on the Internet of things is according to claim 1, characterized in that, exhaust fan (20) keeps away from one side surface mounting of wall has negative pressure subassembly (21), exhaust fan (20) is connected with sealed cowling (152) through negative pressure subassembly (21), negative pressure subassembly (21) including install in baffle (211) of one side surface that the wall was kept away from in exhaust fan (20), and install in negative pressure straw (212) on baffle (211) casing, keep away from negative pressure straw (212) the one end of baffle (211) extend to the inside of alarm (10) and with sealed cowling (152) are connected.
5. The intelligent alarm device based on the internet of things of claim 1, wherein a buzzer (121) is inserted into the shell of the shell (12), and the buzzer (121) is connected with the detection circuit board (14) through a wire.
6. The intelligent alarm device based on the internet of things of claim 5, wherein a third anti-electric leakage component (17) connected with the buzzer piece (121) is arranged inside the shell (12), and the third anti-electric leakage component (17) has the same structure as the first anti-electric leakage component (15) and the second anti-electric leakage component (16).
7. The intelligent alarm device based on the Internet of things is characterized in that a first negative pressure pipe (171) is installed on one side surface of a sealing cover (152) in the third electricity leakage prevention component (17), a second negative pressure pipe (172) is sleeved outside one end of the first negative pressure pipe (171), and the second negative pressure pipe (172) is installed on the outer surface of the sealing cover (152) in the second electricity leakage prevention component (16).
8. The intelligent alarm device based on the Internet of things of claim 7, wherein the first negative pressure pipe (171) is conical, and the inner cavity of the first negative pressure pipe (171) is matched with the inner cavity of the second negative pressure pipe (172).
9. The intelligent alarm device based on the internet of things of claim 8, wherein the first negative pressure pipe (171) and the second negative pressure pipe (172) are made of rubber.
10. The intelligent alarm device based on the Internet of things is characterized in that a warning lamp (141), a single chip microcomputer (142) and a catalytic combustion sensor (143) are mounted on one side surface of the detection circuit board (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210665783.XA CN114882677A (en) | 2022-06-13 | 2022-06-13 | Intelligent alarm device based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210665783.XA CN114882677A (en) | 2022-06-13 | 2022-06-13 | Intelligent alarm device based on Internet of things |
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| CN114882677A true CN114882677A (en) | 2022-08-09 |
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| CN202210665783.XA Pending CN114882677A (en) | 2022-06-13 | 2022-06-13 | Intelligent alarm device based on Internet of things |
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| CN215770004U (en) * | 2021-09-30 | 2022-02-08 | 淄博德勤安全技术服务有限公司 | Intelligent gas alarm device |
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